90results about How to "Avoid collision wear" patented technology

The invention discloses a high-efficiency hot dip galvanizing production line which comprises a lifting appliance, a zinc pot, an acid washing tank, a water washing tank, a cosolvent tank and a cooling tank. The high-efficiency hot dip galvanizing production line can quickly remove bubbles on the workpiece surface in the workpiece galvanizing process, can gather the zinc ash on the surface before the workpiece is taken out of the zinc pot so as to prevent the adhesive pollution, can enable the reflux motion of the acid liquor in the acid washing tank so as to increase the contact reaction rate between the acid liquor and acid-washed workpiece, can monitor the concentration of the acid liquor in real time, can enable the water washing of the workpiece to proceed more quickly and thoroughly, can enable the contact between the workpiece and cosolvent more uniformly and quickly, can eliminate the influence of the impurities and stains attached to the workpiece surface on the cosolvent treatment so as to effectively ensure the feed quality of the subsequent procedure, and can enable the water cooling heat transfer of the acid washing wastewater for the hot dip galvanizing cooling tank so as to save the water resources and enhance the wastewater utilization efficiency, thereby saving the production cost.

The invention relates to a combined valve. The combined valve comprises a multifunctional valve, a confluence plate and at least one operation reversing valve, wherein a left opening and a right opening at one side surface of one operation reversing valve are respectively connected to a left cavity and a right cavity of a piston cylinder; a left reflux opening, a middle inlet and a right reflux opening at the other side surface of the operation reversing valve are respectively connected to a left flow channel, a middle flow channel and a right flow channel of the confluence plate; the channels of the left reflux opening and the right reflux opening of the operation reversing valve are respectively provided with a one-way valve; the left reflux opening and the right reflux opening are corresponding connected to a left flow channel and a right flow channel of the confluence plate through respective throttle valves; and the left inlet and right inlet of the multifunctional valve are respectively and correspondingly communicated with a left outlet and a right outlet through respective throttle valves. The combined valve avoids mutual influence among cylinders and collision abrasion to a piston and a cylinder end cover when the piston moves rapidly, prolongs the service life of the piston cylinder efficiently, and guarantees operation safety and stability of the piston cylinder.

The invention relates to a structure of a reversing valve. The reversing valve comprises a control reversing valve and an action reversing valve, and two groups are matched to realize flow velocity variable control over a pressure medium. Compared with the prior art, the structure of the reversing valve has the advantages that: through a design of a second valve rod and two overflow valves, when a piston moves to be about to contact the end of a piston cylinder, the reflux quantity of the pressure medium is reduced, and the motion resistance of the piston is increased, so that the motion velocity of the piston is reduced, the piston slowly touches the end of the piston cylinder, the piston and the end of the piston cylinder are prevented from being collided and worn when the piston moves at a high speed, the service life of the piston cylinder is effectively prolonged, and the operation safety and stability of the piston cylinder are ensured simultaneously.

The invention discloses an undercarriage of an unmanned plane. The undercarriage comprises the unmanned plane, wherein the left side and the right side of the bottom end of the unmanned plane are respectively provided with a first connecting plate; second connecting plates are connected with first inner plates by convex blocks; undercarriages are arranged at the centers of the bottom ends of the second connecting plates; the centers of the inner sides of second inner plates are respectively provided with a supporting rod block; a plurality of first stopping blocks are arranged between the inner walls of the supporting rod blocks; first sliding rods are arranged between the first stopping blocks; the outer walls of the first sliding rods are respectively connected with a first sheathing plate in a sheathing manner; and second supporting rods are arranged at the centers between the inner sides of the first sheathing plates. According to the undercarriage disclosed by the invention, whenthe unmanned plane lands, by matching of the first connecting plates and the second connecting plates, the undercarriage can support the unmanned plane which is ready to land; and by buffering of thedevice, the unmanned plane is prevented from generating impact with the ground to avoid causing internal damage when in landing, and the failure of flying of the unmanned plane due to faults caused byimpact is effectively avoided.

The invention discloses a ceramic machining clamping and rotating device. The ceramic machining clamping and rotating device comprises a bottom plate, a supporting plate is fixedly connected to the top of the bottom plate, a connecting plate is fixedly connected to the right side of the top of the supporting plate, and a transmission rod is movably connected to the top of the supporting plate through a bearing. According to the ceramic machining clamping and rotating device, a ceramic body is placed at the top of a placing table, a hand wheel is rotated, and the hand wheel is rotated through apositive and negative tooth screw rod; the positive and negative tooth screw rod rotates to enable a sleeving block to move to the middle, the sleeving block drives a clamping jaw to fix the ceramicbody through a connecting rod, a rotating wheel is rotated to drive a threaded rod to rotate, the threaded rod rotates to enable a threaded sleeve to move to the right, and the threaded sleeve pulls arotary table to rotate through a crank; the problems that an existing clamping device cannot rotate clamped ceramics, a user only can first polish one surface and then take down the ceramics to fix renewedly, time is greatly wasted, and the production efficiency of the ceramics is reduced are solved; and the ceramic machining clamping and rotating device has the advantages of being capable of enabling the ceramics to rapidly rotate.

The invention discloses a channel gate for hydraulic engineering, which comprises a gate body, a supporting seat and two deicing devices, wherein the two deicing devices are correspondingly arranged on the front side and the rear side of the supporting seat and each comprise a driving motor, a rotating screw rod and a deicing head, the driving motors are positioned on the top surface of the supporting seat, the top ends of the rotating screw rods are connected with the driving motors, and the deicing heads sleeve the rotating screw rods. The mounting method comprises the following steps: (1) preparing construction; (2) installing a channel gate; (3) installing a winch; and (4) and running in a trial mode. The channel gate is simple in structure, the gate body can be more conveniently mounted through the design of the supporting seat, and the structure of the channel gate is firmer and more reliable; and meanwhile, through the design of the deicing devices on the two sides of the gate body, when the surface of the channel gate is frozen, deicing is performed on the two sides of the channel gate, so that the channel gate can be normally used in cold and frozen seasons, and the channel gate is more convenient to use.

The invention discloses an air valve bridge and an engine comprising the air valve bridge. The air valve bridge comprises an air valve bridge body which is provided with a main piston cavity, an executing pin installing cavity, a main piston arranged in the main piston cavity, and an executing pin arranged in the executing pin installing cavity; an elastic piece is arranged between the executing pin and the executing pin installing cavity; under the action of the elastic force of the elastic piece, the lower end of the executing pin stretches out of the executing pin installing cavity; the air valve bridge body is provided with a first oil drainage channel communicating with the main piston cavity; and a second oil drainage channel with one end communicating with an oil returning cavity of the engine is formed in the executing pin. Due to the arrangement, the air valve bridge is provided and can solve the technical problems that collision and abrasion happen to a sealing device and the air valve bridge, and the arrangement of the sealing device is difficult.

The invention discloses a valve bridge and rocker arm assembly. The valve bridge and rocker arm assembly comprises a valve bridge body and a rocker arm; the valve bridge body is provided with piston cavities, an executing pin installation cavity, pistons arranged inside the piston cavities and an executing pin arranged inside the executing pin installation cavity; an elastic part is arranged between the executing pin and the executing pin installation cavity, and the upper end of the executing pin extends out of the executing pin installation cavity under the effect of the elastic force of the elastic part; the valve bridge body is provided with a first oil drainage channel communicating with the piston cavities, and a second oil drainage channel with one end communicating with an oil return cavity of an engine is formed inside the executing pin; and the rocker arm is provided with a protrusion structure corresponding to the executing pin. According to the valve bridge and rocker arm assembly, the technical problem of collision and abrasion between a sealing device and the valve bridge and the technical problem of inconvenient arrangement of the sealing device can be solved.

The invention discloses an iron-wood packaging box for loading and transporting screw rods. The packaging box comprises a box body, a plurality of mounting frames used for bearing the screw rods are arranged in the box body, each of the two opposite end faces of the box body is provided with a buffering device for reducing the impact of the screw rods, and a wood frame plate is arranged at the bottom end of the box body; each mounting frame comprises a bearing plate, clamping plates and rubber rings, wherein the bearing plate is of an isosceles trapezoid shape, a plurality of through holes areformed in the bearing plate, the rubber rings are arranged in the plurality of through holes, the outer wall of each rubber ring is fixedly connected with the inner wall of the corresponding throughhole, and the clamping plates are arranged on the two sides of the bearing plate; and strip-shaped plates are fixedly connected to the inner wall of the box body, and the clamping plates are in clearance fit with the box body through the strip-shaped plates. The packaging box has the beneficial effects that the plurality of screw rods can be loaded and transported at the same time, so that collision abrasion between the screw rods can be effectively avoided.

The invention discloses straw feed crushing equipment. The straw feed crushing equipment comprises a housing, a first crushing roller arranged in the housing, and a second crushing roller matched withthe first crushing roller; a dewatering device is arranged below the first crushing roller and the second crushing roller, the dewatering device comprises a dewatering basket, a driving piece used for driving the dewatering basket to rotate and a discharging pipe connected with the dewatering basket, and the discharging pipe is matched with the driving piece. The straw feed crushing equipment canrapidly throw out moisture on crushed straw, then the straw is in a half-dry state, moisture on the straw is greatly reduced, and the quality of stored straw powder and feed can be easily ensured.

The invention discloses a novel network training and education device. The novel network training and education device structurally comprises a pulling handle, a groove, a hidden lid, a table, a pulling plate, supporting legs and supporting pads. Compared with the prior art, the network training and education device has the advantages that the device has a hiding function, and through the cooperation of a first screw rotating mechanism, an upper lifting plate and a fixed clamping plate mechanism, the two ends of a display screen can be clamped; through the combination of a left telescopic mechanism, a second screw rotating mechanism and a right telescopic mechanism, the two sides of the display screen can be clamped, and thus the display screen is fixed to the inner end of a cover body; through the arrangement of a protection cushion, the protection of the display screen is enhanced; when the device is needed, by operating a fixing mechanism, the angle of the cover body can then be adjusted, when the device is not needed, the hidden lid cooperates with the groove, and thus the display screen is hidden in the table, and it is avoided that the device is stolen by thieves since the display screen is too conspicuous; meanwhile, the space is not occupied and is saved, dust does not easily adhere to the device, and the device screen does not need to be often wiped.

The invention discloses an integrated tempering and cleaning frame and a tempering and cleaning method for glass. The integrated tempering and cleaning frame comprises a main frame and a support frame, the support frame is detachably arranged below the main frame, the main frame comprises a tempering frame body, a tempering pipe device and an upper cleaning rubber rack, and the support frame is provided with a U-shaped bracket and a lower cleaning rubber rack. A tempering frame and a cleaning frame which are used in the tempering and cleaning process of the glass are integrated into an integrated clamping fixture, and the number of clamping fixtures used in the tempering and cleaning process is reduced to make the process more convenient; without transferring the glass one by one manually, simple operation only needs to be conducted on the integrated clamping fixture to make the tempering and cleaning frame to rotate, so that the operation time is saved, the working efficiency is improved, and the manpower cost is reduced; meanwhile, big actions do not need to be conducted on the glass, the collision and damage to the glass are avoided, and the glass is better protected.

The invention relates to a high-efficiency sample oscillation and uniform mixing device and a use method. The high-efficiency sample oscillation and uniform mixing device comprises a base, four brackets, a sample frame and an eccentric motor vibration system; the upper part of the base is connected with the sample frame through the four brackets; the eccentric motor vibration system is positioned in the middle part of the base, and is vertically arranged; the eccentric motor vibration system consists of a semi-cylindrical block with deflection of center of gravity, a bearing, a motor and a control system; the semi-cylindrical block with deflection of center of gravity is connected with the motor through the bearing, and the motor is electrically connected with the control system. The high-efficiency sample oscillation and uniform mixing device has the advantages that the direct oscillation and uniform mixing can be realized, a mechanical impact external force is not needed, the impact abrasion of instruments is avoided, and the oscillation and uniform mixing efficiency is effectively improved.

A multi-layer sleeve structure comprises an external sleeve and an internal lining; a non-slip device is equipped between the external sleeve and the internal lining; the non-slip device comprises a plurality of grooves equipped on the external sleeve and corresponding flanges equipped on the internal lining; the non-slip device also comprises a plurality of flanges equipped on the external sleeve and corresponding grooves equipped on the internal lining; the flanges are arc, rectangular or triangular ones and the shapes of the grooves are matched figures; the external sleeve is made of steel material and the internal lining is made of aluminum material. With the present invention, the combination of the external sleeve and internal lining is stable and firm and direct impact on the working face is avoided in operation, which prolongs the service life.

The invention discloses a portable power maintenance box. The portable power maintenance box comprises a back plate, wherein a first box body and a second box body are respectively hinged with the left side and the right side of the back plate through hinges; the bottom part of the back plate is fixedly connected with a bottom plate; a support plate is fixedly connected between the two sides of aninner wall of the first box body; the inner part of the first box body and the lower part of the support plate are connected with a tool box in a sliding manner; a baffle plate is fixedly connected between the two sides of the inner wall of the first box body and is connected with the upper part of the support plate; a partition plate is fixedly connected between the rear side of the inner wall of the first box body and the baffle plate; and the top part of the support plate and the right side of the partition plate are fixedly connected with a limiting plate. The invention relates to the technical field of power maintenance equipment. The portable power maintenance box has a sufficient internal space for putting maintenance tools, so that collision and abrasion between the tools can be ensured, the maintenance box still can be carried during high-altitude operations, and thus, the maintenance box is very convenient to use, and moreover, the use comfort level of maintenance personnelcan be obviously improved.

Disclosed is a novel logistics container storing and locking device. The novel logistics container storing and locking device is used for locking a logistics container (2) in a container storage groove (101) in a logistics shelf (1). A locking loading part (3) which is fixedly connected with the logistics shelf (1) and is internally provided with a hollow cavity (30) is arranged at the bottom of the container storage groove (101). Two bendable locking arms (21) distributed in a left-right-symmetry mode are integrally arranged on the rear end face of the logistics container (2) and are used for being inserted into the hollow cavity (30) of the locking loading part (3) through elastic deformation. An elastic component (391) is arranged on the front end face of the locking loading part (3) and is used for achieving a buffering function when the two bendable locking arms (21) are inserted into the hollow cavity (30) of the locking loading part (3) through elastic deformation.

The invention discloses a wire harness fixing clamp. The wire harness fixing clamp comprises a body; the body comprises a wear-resisting layer, a first corrosion-resisting layer, a high-strength layerand a second corrosion-resisting layer; the wear-resisting layer is located on the outer surface of the first corrosion-resisting layer, the first corrosion-resisting layer is located on the outer surface of the high-strength layer, and the high-strength layer is located on the outer surface of the second corrosion-resisting layer; the outer surface of the body is coated with a coating layer, thecoating layer comprises an anti-rust coating and an anti-corrosion coating, through openings are formed in the left end and the right end of the body, and inner cavities of the through openings are movably connected with screws; and the wear-resisting layer is a high-manganese alloy layer, the first anti-corrosion layer is a nickel-chromium alloy layer, and the high-strength layer is a carbon steel layer. According to the wire harness fixing clamp, through mutual cooperation of the wear-resisting layer, the first corrosion-resisting layer, the high-strength layer, the second corrosion-resisting layer, the anti-rust coating and the anti-corrosion coating, the problem that an existing metal fixing clamp is prone to corrosion after being used for a long time, and consequently the service life is short is solved.

The invention relates to the technical field of digital accessory transportation protection, and discloses a new material digital accessory protection assembly capable of avoiding collision and abrasion in long-distance transportation. The new material digital accessory protection assembly comprises a protection table, an induction block is movably connected to the top end inside the protection table, moving rods are fixedly connected to the upper side and the lower side of the induction block, fixing pieces are fixedly connected to the outer sides of the moving rods, the back faces of the fixing pieces are fixedly connected with transverse moving blocks, and the outer sides of the transverse moving blocks are elastically connected with springs. According to the new material digital accessory protection assembly capable of avoiding collision and abrasion in long-distance transportation, through deviation of the protection table, a balance ball at the bottom of the protection table can move in the direction opposite to the deviation direction of the protection table under cooperation of the springs and protruding rods, then kinetic energy generated by deviation is transferred into elastic potential energy of the springs and swing of the balance ball, therefore, kinetic energy generated by deviation of the protection table is further consumed, the accessory transportation safety is further improved, and unnecessary abrasion generated in the accessory transportation process is avoided.

The invention discloses an input device with a luminous pattern. The input device comprises an input interface and a backlight module. The backlight module comprises a light source and a light guide plate. The light guide plate is provided with a predetermined shading rate and forms at least one pattern at the lower surface of the light guide plate. When the light source is not started, the brightness of the light guide plate is lower than the predetermined shading rate and the pattern is not shown, when the light source is started, the luminous pattern is shown. The light guide plate is formed by uniformly doping multiple shading particles by a transparent plastic material and jetting, and at least one pattern is formed by densely arranging micro light guide structures. According to the invention, the backlight utilization rate is improved, the cost is reduced, a process is simplified, the shading uniformity is improved, the thickness of the input device is reduced, and the long-term collision and abrasion can be avoided.

The invention discloses a warehouse liquified petroleum gas cylinder valve transporting device. The warehouse liquified petroleum gas cylinder valve transporting device comprises a plurality of transporting blocks and connectors, connecting openings are formed in the positions, close to the middle, of the peripheries of the outer surfaces of the transporting blocks correspondingly, gas cylinder valve storing cavities are formed in the positions, close to the center, of the outer surfaces of the front ends of the transporting blocks, anti-collision silica gel layers are cemented to the peripheries of the inner surfaces of the gas cylinder valve storing cavities, and positioning holes are formed in the positions, close to the edge corners, of the outer surfaces of the front ends of the transporting blocks. By arranging a series of structures, the appropriate set number of transporting blocks can be selected and assembled according to the actual demand in the using process of the warehouse liquified petroleum gas cylinder valve transporting device, gas cylinder valves are stored separately and singly, collision and abrasion between the gas cylinder valves in the transporting process are avoided, the transporting process is stable, after being transported to a warehouse, the gas cylinder valves do not need to be arranged and stored again, the time and physical strength of workers are saved, the working efficiency is improved, and the use process is optimized.

The invention belongs to the technical field of dispensing valves, and particularly relates to an impact-free type piezoelectric injection dispensing valve. The piezoelectric injection dispensing valve comprises a valve body, a valve seat and a push rod; the valve body is fixedly connected with the valve seat; a nozzle is installed at the bottom of the valve seat; a first liquid storage cavity isarranged inside the valve seat; a piezoelectric driving mechanism is arranged at the center of the valve body; the upper end of the push rod abuts against the piezoelectric driving mechanism. and thelower end thereof penetrates through the first liquid storage cavity and is in clearance fit with a second liquid storage cavity which is arranged inside the nozzle; a first flow channel is arranged inside the push rod; and the first liquid storage cavity, the first flow channel and the second liquid storage cavity communicate with each other. Compared with the prior art, the piezoelectric injection dispensing valve realizes dispensing operation in an impact-free manner, a firing pin is replaced by the push rod so collision and impact of the nozzle and the firing pin are avoided, the precisionand efficiency of dispensing are improved, maintenance cost is greatly saved, service life of the device is improved, injection of glue solution containing solid granules is realized, the phenomenonof partial heating of the device is reduced, and the phenomenon of leakage of the glue solution is prevented.

The invention relates to the technical field of unmanned aerial vehicle information acquisition, and in particular relates to an information acquisition unmanned aerial vehicle convenient for mounting a camera. The unmanned aerial vehicle comprises an unmanned aerial vehicle body, a lifting mechanism, a camera shooting mechanism, a telescopic mechanism, an abutting mechanism, a guide mechanism and a locking mechanism. The lifting mechanism is controlled by the unmanned aerial vehicle body, so that the unmanned aerial vehicle body flies, real-time state and information can be collected under the action of the camera shooting mechanism, detection by workers is facilitated, the camera shooting mechanism can be propped against under the action of the abutting mechanism, and shaking is prevented; meanwhile, under the action of the telescopic mechanism, mounting and dismounting of different camera shooting mechanisms are facilitated, meanwhile, the practicability of the unmanned aerial vehicle body is also improved, when the telescopic mechanism is adjusted, the telescopic mechanism is stably adjusted under the action of the guide mechanism, and after adjustment is completed, under the action of the locking mechanism, the guide mechanism can be limited, so that the telescopic mechanism is more stable and does not loosen.

The invention discloses a floor brush device for a dust collector. The floor brush device for the dust collector comprises a brush body, rear wheel devices, a base plate and front wheel devices, wherein the front portion of the brush body is connected with a suction groove, the middle of the brush body is provided with a suction hole, the suction groove is mutually communicated with the suction hole, a clamping block is arranged on one side of the bottom of the brush body, a connecting hole is further formed in the bottom of the brush body, and shaft holes are formed in two sides of the rear portion of the brush body. The rear wheel devices are arranged on two sides of the rear portion of the brush body, the rear portion of the base plate is provided with a connecting shaft, the connecting shaft is connected to the connecting hole in a pivoted mode, and a convex block is arranged on one side of the base plate and is clamped and connected to the clamping block. The front wheel devices are arranged at the front portion of the brush body. Collision and abrasion caused by unstability when the floor brush device moves can be effectively avoided by means of the front wheel devices and the rear wheel devices of the floor brush device for the dust collector, and the floor brush device for the dust collector is safe, reliable, quick and convenient to dismount, stable in movement and long in service life.

The invention discloses automatic purification packaging equipment of a PCB. A stirring motor is connected with stirring blades through stirring rods in a driving mode; the stirring blades are accommodated in a stirring barrel; at least a part of the stirring rods are accommodated in the stirring barrel; the outer side wall of the bottom of the stirring barrel is provided with a first cleaning spray head; the first cleaning spray head is arranged above a support frame; the spraying direction of the first cleaning spray head faces the support frame; a defoaming spray head is communicated with adefoaming barrel through a defoaming pipe; the defoaming spray head is accommodated in the stirring barrel; the defoaming spray head is arranged on the top of the stirring barrel; the cleaning barrelis communicated with the stirring barrel through a cleaning pipe; a clear water barrel is communicated with the stirring barrel through a clear water pipe; and each of the defoaming pipe, the cleaning pipe and the clear water pipe is provided with an electric valve respectively. The end, communicated with the stirring barrel, of the cleaning pipe is provided with a first atomizing nozzle, the first atomizing nozzle is accommodated in the stirring barrel, the end, communicated with the stirring barrel, of the clear water pipe is provided with a second atomizing nozzle, and the second atomizingnozzle is accommodated in the stirring barrel.

The invention discloses a channel gate for water conservancy engineering, which comprises a gate body and a support seat, and also includes two deicing devices, which are correspondingly arranged on the front and rear sides of the support seat, and both of the two deicing devices include driving The motor, the rotating screw and the deicing head, the driving motor is located on the top surface of the support seat, the top of the rotating screw is connected with the driving motor, and the deicing head is sleeved on the rotating screw. The installation method includes the following steps: (1) construction preparation; (2) installation of channel gates; (3) installation of hoist; (4) trial operation. The structure of the present invention is simple, and the design of the support seat can make the installation of the gate body more convenient, making the structure of the channel gate more firm and reliable, and at the same time, through the design of the deicing devices on both sides of the gate body, When the phenomenon occurs, deicing is performed on both sides of the channel gate, so that the channel gate can be used normally in the cold freezing season, making the use of the channel gate more convenient.