25results about How to "Reduce relative motion" patented technology

The invention discloses a handheld charging drill with a charging function, and relates to the technical field of handheld charging drills, the handheld charging drill comprises a shell, a battery assembly is fixedly connected to the middle of the inner wall of the shell, a fixing block is fixedly connected to the top of the shell, a sliding groove is formed in the outer side of the fixing block, and the battery assembly is fixedly connected to the middle of the inner wall of the shell. A fixing plate is fixedly connected to the top of the fixing block, a protruding block is fixedly connected to the end, away from the fixing block, of the fixing plate, and a circular groove is formed in one side of the protruding block. According to the handheld charging drill with the charging function, the protruding block is driven by the fixing plate to be located in the limiting hole, so that it can be ensured that stable connection is formed between the charging assembly and the electric drill body, and by means of the tight connection mode, a battery can be effectively prevented from accidentally falling off in the using process of the electric drill; meanwhile, the fixing blocks and the fixing plates are symmetrically arranged on the two sides, so that the charging assembly is not prone to falling off under the conditions that the charging assembly is vibrated, impacted and the like.

A ship buffering fender device is characterized in that a sunken buffering groove is formed in a ship, a buffering box is arranged in the buffering groove, a longitudinal buffering mechanism and a lateral buffering mechanism are installed between the buffering box and the different side faces of the buffering groove respectively, and a fixed rubber fender is embedded into the outer side of the buffering box; and each buffering mechanism is used for absorbing impact force to realize buffering during jacking operation. According to the ship buffering fender device, the overall impact resistance and energy absorption capacity of a ship bow fender can be effectively improved through the longitudinal buffering mechanism, and the possibility that a rubber fender is damaged due to excessive deformation is greatly reduced; when heaving is generated due to the influence of waves, the lateral buffering mechanisms on the two sides can reduce the relative movement between the buffering box and the offshore facility, and therefore the stability of the ship is improved, and the safety of personnel embarkation is improved.

The present invention relates to a movable slide and a frame for a drilling machine, comprising a slide body, a hanging plate and a through-axis assembly; a rotating shaft fixing portion is provided on one side of the hanging plate, and the rotating shaft fixing portion is provided with a fixing hole; a rotating shaft connecting portion with a connecting hole is provided on one side of the slide body; the through-axis assembly comprises a rotating shaft provided with an eccentric portion and a sleeve for fixing the rotating shaft to the rotating shaft connecting portion; the rotating shaft passes through the connecting hole and the fixing hole, and the eccentric portion is located in the fixing hole; a side of the hanging plate away from the shaft fixing portion is detachably connected to a side of the slide body away from the rotating shaft connecting portion. A frame equipped with the slide body is also provided. In the installed state, the hanging plate can be stably connected to the slide body, and after the hanging plate is connected to the drilling motor, and in the working state, the hanging plate can be securely connected to the slide body without shaking, thereby maintaining the stability of the drilling motor and improving the service life of the drilling motor.

The invention discloses an aluminum alloy frame polishing device with an overturning structure and a using method, and relates to the technical field of aluminum alloy frame production, the aluminum alloy frame polishing device comprises a polishing base, a polishing inner seat and a driving push plate, a guide vertical frame is mounted at the output end of an electric lifting seat, and an aperture butt joint column is movably mounted on the opposite side of the driving push plate through a rotating shaft; the overturning motor is installed in the center of the outer side of the driving push plate, and the inner diameter arc abutting frame is movably installed on the outer side of the aperture butt joint column. A vehicle frame initial limiting assembly is arranged on the inner side of a guide vertical frame, two sets of aperture butt joint columns are inserted into a circular ring hole of a center main rod, and an outer abutting hand rod drives an inner diameter arc abutting frame to expand outwards to abut against the inner diameter of the circular ring hole of the center main rod; the expanding diameter of the inner-diameter arc abutting frame is adjusted according to the diameter of the circular ring hole of the aluminum alloy frame so as to ensure that the inner-diameter arc abutting frame can be accurately fixed in the circular ring hole, the aluminum alloy frame is prevented from sliding or deviating in the overturning process of the aluminum alloy frame, and therefore the stability of the polishing process is improved.

The invention relates to the technical field of building construction, in particular to a prefabricated heat preservation laminated slab structure and a mounting method thereof.The prefabricated heat preservation laminated slab structure comprises a prefabricated concrete slab, a cast-in-place concrete layer is movably arranged at the top end of the prefabricated concrete slab, arc-shaped grooves are formed in the two sides of the top end of the prefabricated concrete slab, and anchor bolts are fixedly inserted into the arc-shaped grooves; hidden beams are arranged on the periphery of the inner wall of the prefabricated concrete plate, a polystyrene foam plate is arranged in the middle of the hidden beams, a rock wool plate is arranged at the top end of the polystyrene foam plate, and a special-shaped column is fixed to the top end of the rock wool plate. During installation, a temporary support, a structural adhesive, an adhesive and an elastic sealing material need to be used. Through cooperative use of the precast concrete slabs, the cast-in-place concrete layers, the square convex blocks, the anchor bolts and the special-shaped columns, the purpose of reducing internal separation during use of the slab bodies can be achieved, the slab bodies are tightly connected, and the overall heat preservation effect is improved.

The invention relates to the technical field of offshore wind power construction, operation and maintenance equipment, in particular to an offshore wind turbine operation auxiliary ship manned boarding device which comprises a ship body, berthing restraining equipment is installed on the ship body, and the berthing restraining equipment is suitable for being connected with a wind turbine platform in a matched mode; the dynamic positioning compensation equipment comprises a fixed propeller mounted at the bottom of the ship body and a full-revolving propeller mounted at the tail of the ship body; and the boarding equipment is mounted on the ship body and is arranged close to the edge of the ship body. According to the manned boarding device of the offshore wind turbine operation auxiliary ship, stability is improved through locking constraint of berthing constraint equipment, irregular movement of a ship body under the action of external force is compensated through power propulsion of power positioning compensation equipment, and relative movement between the ship body and a wind turbine platform can be greatly reduced; and the safety of people entering the fan platform from the boarding equipment is improved.

The invention provides a cluster unmanned aerial vehicle ground charging device, and relates to the technical field of unmanned aerial vehicle ground devices. The device comprises a shell, a lining is arranged in the shell, a strap unit is arranged on the shell, an electric control unit is arranged on the shell and the lining, the shell is provided with a cover plate capable of being opened and closed, and the strap unit is arranged on the cover plate; a plurality of machine grooves are formed in the side wall, close to the cover plate, of the lining, and the shapes of the machine grooves are matched with the shape of an unmanned aerial vehicle; the electric control unit comprises a box body arranged on the shell, a control panel, a control circuit and a built-in battery which are electrically connected are arranged in the box body, the control circuit is further electrically connected with a plurality of connecting wires with the number corresponding to that of the machine grooves, and the ends of the connecting wires enter the machine grooves respectively. And the end part of the connecting line in the slot is connected with a USB Type-C interface matched with the unmanned aerial vehicle. According to the invention, the cluster unmanned aerial vehicle can be carried, and the cluster unmanned aerial vehicle can be uniformly and rapidly detected and charged.

An easy-print packaging sheet and a manufacturing method therefor. Raw materials of the easy-print packaging sheet contain polyethylene; the smoothness of the packaging sheet is 70-250 seconds; the drape coefficient of the packaging sheet is 78-92%; the burst index of the packaging sheet is 8-15 kPa·m2 / g; and the light shielding rate of the packaging sheet is 85-95%. The packaging sheet having good comprehensive performance is prepared by means of a flash spinning process and the improvement of raw materials and a spinning process.

The invention discloses a metal part passivation feeding hanging frame device, and relates to the technical field of machine manufacturing, the metal part passivation feeding hanging frame device comprises a hanging frame mechanism, the inner side of the hanging frame mechanism is symmetrically provided with limiting mechanisms, the top of the inner side of the hanging frame mechanism is provided with a pressing mechanism, the outer side of the hanging frame mechanism is provided with a guardrail mechanism, and the hanging frame mechanism comprises a hanging frame. The limiting clamping plates are symmetrically installed on the limiting plate in a sliding mode conveniently through the sliding notches, guiding is provided, the adjusting motor is used for driving the two-way lead screw to rotate, then the two-way pushing effect on the limiting clamping plates is conveniently achieved through the oppositely-distributed screw openings in the adjusting motor, the effective clamping effect is provided, and the machining efficiency is improved. And meanwhile, the pneumatic telescopic rods push the limiting plates, so that the two sets of limiting plates move oppositely to clamp the metal part, the stability is further improved, the limiting mechanism can effectively limit the moving range of the metal part, and it is ensured that the metal part is kept at the stable position in the hanging frame.

The present invention proposes an artificial lens processing method and an artificial lens, which relates to the field of artificial lens production. The artificial lens processing method includes the following steps: molding an artificial lens semi-finished product through a mold, the artificial lens semi-finished product includes an optical zone and a haptic region, and the haptic region is located in the circumference of the optical zone; keeping the mold in a mold-closed state; removing part of the structure of the mold to reveal the haptic region; and processing the haptic region into a supporting haptic. The method directly processes the haptic region into a supporting haptic, avoiding the problems of repositioning and accidental falling caused by demolding; reducing the relative movement that may occur between the artificial lens semi-finished product and the mold when demolding in the existing process, and the surface of the artificial lens semi-finished product that is not revealed is more closely attached to the surface of the mold cavity when being processed, reducing the possibility of fracture of the haptic region. The artificial lens proposed by the present invention has higher precision than the artificial lens processed by the existing process.

The utility model discloses a CTP rolling steel battery pack and a power utilization device. The CTP rolling steel battery pack comprises a battery cell group, a spacer group and a battery box, and the battery cell group comprises a plurality of battery cells arranged in a first direction; the spacer group comprises at least one buffer piece arranged along the first direction, the buffer piece is clamped between at least part of adjacent battery cells, and the buffer piece can be elastically deformed and reset in the first direction; one battery cell group is arranged in the battery box or a plurality of battery cell groups are distributed in the battery box in an array mode, and the battery box is a steel part and a rolling forming part. Wherein the buffer piece changes the length of the battery cell group in the first direction through elastic deformation, so that the relative movement of the battery cells in the battery is reduced, the battery cell fixing effect is enhanced, the reliability of the battery pack is improved, and the service life of the battery pack is prolonged. The battery box is formed by rolling steel, so that the structural strength is improved, the fixing effect of the battery box on the battery cell group is further enhanced, and meanwhile, the processing efficiency of the battery box is improved.

The utility model discloses an auxiliary installation assembly and electronic equipment. The auxiliary installation assembly comprises a first auxiliary installation part which is detachably arranged in the case, an installation space used for installing a heat dissipation element is formed between the first auxiliary installation part and the inner wall of the case, the first auxiliary installation part is provided with a pipeline fixing structure and a pressing structure, and the pipeline fixing structure is used for fixing a water cooling pipe connected with the heat dissipation element; wherein the heat dissipation element has a mounting state and a to-be-disassembled state, and when the heat dissipation element is in the mounting state, the pressing structure applies first pressure to the heat dissipation element, so that the heat dissipation element is pressed in the mounting space; when the heat dissipation element is in the to-be-disassembled state, the pressing structure is subjected to second pressure, the pressing structure is separated from the heat dissipation element through the second pressure, and the heat dissipation element can be taken out of the installation space. According to the auxiliary mounting assembly, the heat dissipation element can be quickly disassembled and assembled, and replacement and later maintenance of the heat dissipation element are facilitated.

The utility model discloses an air bearing with high bearing capacity, and relates to the technical field of foil type dynamic pressure air bearings. Comprising a bearing seat, a bump foil sheet and a flat foil sheet are sequentially arranged on the inner ring of the bearing seat, the bump foil sheet and the flat foil sheet are both coaxially fixed with the bearing seat, and the bearing seat is characterized in that a plurality of drainage grooves are formed in the inner wall of the flat foil sheet in the circumferential direction and are arranged in the axial direction. And a staggered bump foil structure is matched, and the flat foils and the bump foils are fixed in opposite rotating directions. The drainage grooves have a guiding effect on airflow, air film pressure distribution can be improved, an air film is formed more easily in the operation process to support the inner ring, and the bearing capacity is improved through cooperation with the bump foil pieces. Air enters the drainage grooves, air film pressure distribution is more reasonable, and compared with a flat foil without the drainage grooves and an equal-wavelength-wave foil, the bearing pressure is greatly improved. When the bearing is subjected to external load, the non-deformability of the gas film is enhanced. In addition, the two foils are fixed in opposite rotating directions, and dynamic friction in operation is reduced due to the same dynamic deformation trend.

This application provides a storage device, a warehousing robot, and a warehousing system, relating to the field of warehousing technology. The storage device includes a crossbeam and two extension arms. The crossbeam extends along a first direction, and the two extension arms are arranged at intervals relative to each other along the first direction. Each extension arm includes a first end and a second end. The first end is fixedly connected to the crossbeam, and the second end extends away from the crossbeam along a second direction. Both the first and second directions are located on a horizontal plane, and the first and second directions form an angle. Each extension arm includes a bearing surface, and the bearing surfaces of the two extension arms together form a storage position for holding a material box. Each extension arm includes a first guide portion and a second guide portion. The first guide portion guides the material box into the storage position when its entry direction is parallel to the vertical direction, and the second guide portion guides the material box into the storage position when its entry direction is parallel to the second direction. This storage device can adapt to various application scenarios and improve the user experience.

The present invention relates to the technical field of vehicle shock absorption, and in particular, to an air spring and a vehicle. The air spring comprises a first connecting seat, a second connecting seat, an airbag assembly, a casing assembly and a protective cover assembly. One end of the airbag assembly is detachably connected to the first connecting seat, and the other end is detachably connected to the second connecting seat, and the airbag assembly is located inside the casing assembly. The first protective cover unit of the protective cover assembly is located between the two second protective cover units and is fixedly connected to them. The casing assembly is located inside the first protective cover unit. The protective cover assembly has a wavy wall in a cross section parallel to its own axis, and the spacing between adjacent wave peaks of the wall of the second protective cover unit is greater than the spacing between adjacent wave peaks of the wall of the first protective cover unit. The cavity between the protective cover assembly and the casing assembly is connected to the air hole, thereby solving the problem that the protective cover of the air spring is easily damaged.

The invention discloses an aluminum alloy frame polishing device with an overturning structure and a using method, and relates to the technical field of aluminum alloy frame production, the aluminum alloy frame polishing device comprises a polishing base, a polishing inner seat and a driving push plate, a guide vertical frame is mounted at the output end of an electric lifting seat, and an aperture butt joint column is movably mounted on the opposite side of the driving push plate through a rotating shaft; the overturning motor is installed in the center of the outer side of the driving push plate, and the inner diameter arc abutting frame is movably installed on the outer side of the aperture butt joint column. A vehicle frame initial limiting assembly is arranged on the inner side of a guide vertical frame, two sets of aperture butt joint columns are inserted into a circular ring hole of a center main rod, and an outer abutting hand rod drives an inner diameter arc abutting frame to expand outwards to abut against the inner diameter of the circular ring hole of the center main rod; the expanding diameter of the inner-diameter arc abutting frame is adjusted according to the diameter of the circular ring hole of the aluminum alloy frame so as to ensure that the inner-diameter arc abutting frame can be accurately fixed in the circular ring hole, the aluminum alloy frame is prevented from sliding or deviating in the overturning process of the aluminum alloy frame, and therefore the stability of the polishing process is improved.

This utility model relates to the field of steam turbine technology, specifically to a fir-tree type blade root structure, blades, and a steam turbine. The fir-tree type blade root structure provided by this utility model includes a blade root with a first side and a second side arranged opposite to each other. The first side is located on the back arc side of the blade root, and the second side is located on the inner arc side of the blade root. The second side has a protruding structure, and the first side has grooves corresponding to the protruding structures. The blade roots of each pair of adjacent blades interlock through the protruding and groove structures. The interlocking of the blade roots between each pair of blades, through the protruding and groove structures, allows the blade roots to mutually restrain each other during operation, limiting the circumferential sway range of the blades, thereby solving the problem of blade swaying due to low centrifugal force when the blades are lightweight or operate at low speeds.

The present invention relates to a method for controlling a track processing unit and a wheel rim lubrication device of a rail vehicle. As a component of the rail vehicle, the track processing unit applies an auxiliary agent to a local area of ​​the rail on which the rail vehicle travels when necessary, so as to increase the friction between the wheel and the rail. As a component of the rail vehicle, the wheel rim lubrication device applies a fluid to a local area of ​​the wheel or a local area of ​​the rail of the rail vehicle when necessary, so as to reduce the friction between the wheel and the rail. The friction between the wheel and the rail is reduced by the fluid. The relative movement between the carriage and the running gear of the rail vehicle is continuously detected by means of stroke measurement, so as to detect the curve in the direction of the rail. Based on the stroke measurement, the track processing unit and the wheel rim lubrication device are controlled in a targeted manner according to the curve, so that the auxiliary agent and the fluid are applied in a resource-saving manner.

The utility model provides an ultra-long emulsifying device. The ultra-long emulsifying device comprises a transmission device, the stator fixing seat is of a tubular structure, the transmission device is arranged on a central shaft of the stator fixing seat in a penetrating mode, and the stator fixing seat is provided with a plurality of kidney-shaped holes; the stator is fixed at one end, close to the kidney-shaped hole, of the stator fixing seat; and the rotor is fixed at one end, close to the kidney-shaped hole, of the transmission device. A sliding bearing can be cooled during stirring through kidney-shaped holes, and a solution can be completely discharged when the stirring is stopped, so that material pollution caused by long-term material accumulation is prevented; the tubular stator fixing seat structure can reduce the relative movement of the stator and the rotor in the operation process, and the service life of the emulsifying head is prolonged.

The utility model discloses a protection mechanism for environmental protection monitoring equipment, and relates to the technical field of monitoring equipment. The display device comprises a base, a vertical rod is fixedly connected to the base, a display screen is fixedly connected to the vertical rod through a lower connecting piece and an upper connecting piece, supporting mechanisms are rotatably connected to the two sides of the display screen, each supporting mechanism comprises a rotating block, an outer rod is rotatably connected to the rotating block, and the outer rod is fixedly connected to the vertical rod. An outer rod is arranged on the vertical rod, an inner rod is connected into the outer rod in a sliding mode, a spring is arranged between the inner rod and the outer rod, a spring sleeve rod is fixedly connected to the top end of the inner rod, and a friction plate is fixedly connected to the top end of the spring sleeve rod. The mechanism can effectively protect the display screen from being damaged and prevent the display screen from directly impacting the ground, additional safety guarantee is provided, then most energy can be consumed, and damage to equipment is reduced.

The present invention discloses a method for preparing a self-cleaning environmentally friendly coating material, which relates to the technical field of coating material preparation, and includes: a stirring barrel; a titanium dioxide suspension liquid supply mechanism, wherein the titanium dioxide suspension liquid supply mechanism is installed on the outside of the stirring barrel, and the output end is connected to the bottom of the stirring barrel; a stirring mechanism, wherein the stirring mechanism includes a motor, and the motor is installed on the top of the stirring barrel. The present invention sets a stirring mechanism, and the output end of the motor drives the hollow rotating rod to rotate when the motor is working. The rotation of the hollow rotating rod directly drives the second blade to rotate, and the first blade is driven to rotate through the transmission assembly. The first blade and the second blade rotate in the same direction at different speeds. Compared with the rotation of a single blade, a complex fluid flow pattern can be formed when the two blades rotate in the same direction at different speeds, and compared with the reverse rotation, the flow pattern is more orderly, which helps to reduce the friction and collision between materials.

This invention relates to an explosive granulation device, comprising a reciprocating arm (1), a screen (2), a grinding wheel (3), and an adjusting component (4); the reciprocating arm (1) comprises a symmetrically arranged left arm and a right arm, which reciprocate up and down in opposite directions around the center point where they connect; the two ends of the strip screen (2) are respectively fixed on the left and right arms of the reciprocating arm (1), forming a V-shaped structure; the grinding wheel (3) is disposed on the inner surface of the V-shape of the strip screen (2), and a spindle (7) is disposed on the axis of the grinding wheel (3); the adjusting component (4) is connected to both ends of the spindle (7) of the grinding wheel (3) and is used to adjust the contact pressure between the grinding wheel (3) and the surface of the strip screen (2). This invention has a simple structure, is easy to form a continuous production line with upstream and downstream equipment, is easy to control, and has high reliability; it occupies little space, has a wider range of product size applicability, good safety, and is convenient to maintain.

The utility model discloses a prepuce cutting anastomat which comprises a glans penis cover, a nail bin, a nail bin sleeve, a transmission sleeve, a handle, a handle connecting piece, a nail pushing sleeve, a reset spring, a middle sleeve, an adjusting nut, an annular cutter and anastomosis nails. The nail bin inner cavity hole is provided with an opening radially facing the axial center line of the nail bin cavity, flying wing limiting grooves are correspondingly formed in a set of opposite inner wall faces of the nail bin inner cavity hole, the anastomosis nail movably penetrates through the interior of the nail bin inner cavity hole, nail pushing pieces are annularly arranged at the left end of the nail pushing sleeve at intervals, and the left ends of the nail pushing pieces are correspondingly and movably inserted into the right end of the nail bin inner cavity hole. According to the prepuce cutting anastomat, thin-wall structures on the nail bin and the nail pushing sleeve injection mold are effectively reduced, a gap between a nail pushing piece on the nail pushing sleeve and the annular cutter is omitted, the thin-wall structures of the nail pushing sleeve injection mold are reduced, and the service life of the nail pushing sleeve injection mold is prolonged; the equipment investment cost is effectively reduced, and the production and processing efficiency and the product quality are improved.

The utility model relates to a metal composite friction energy dissipater which comprises a shell, energy dissipation mechanisms for guiding displacement energy dissipation are arranged on the upper side and the lower side of the inner wall of the shell, and assembling mechanisms convenient to assemble are arranged on the upper side and the lower side of the shell. According to the metal composite friction energy dissipater, the energy dissipation mechanism is arranged, and through mutual cooperation of a guide shaft, a sliding block, a limiting spring, a connecting steel plate, an energy dissipation piece and the like, friction and energy loss can be generated through relative movement of a friction plate and a friction steel plate in the movement process; meanwhile, when the friction plates and the friction steel plates are subjected to displacement friction energy dissipation, the backs of the friction steel plates on the two sides are connected with the guide shafts through the sliding blocks, a certain degree of elastic support is provided in the movement process, relative movement of the friction plates or the friction rings is slowed down, the friction plates or the friction rings are brought back to the original position after movement is finished, and reverse friction energy dissipation use is achieved; the initial rigidity is large, the secondary rigidity is zero, the hysteretic curve is full, the energy consumption effect is better, and the limit displacement is large.

This utility model relates to the field of vehicle parts technology, and in particular to an anti-slip sleeve for a side support bracket. It includes a sleeve body, which is hollow in shape. An installation hole is provided on its outer side wall, and a kicking device is provided on the opposite side of the installation hole. A plastic base is provided on the bottom surface of the sleeve body, and a metal anti-slip plate is fitted and snapped onto the bottom surface of the base. The anti-slip plate enhances the friction and stability between the side support bracket and the ground. This anti-slip sleeve improves wear resistance and anti-slip properties, and extends its service life.