56results about How to "Avoid damage and failure" patented technology

A telescopically adjustable support brace is used to hold concrete form work at the proper linear distance during pouring operations. The brace comprises a pair of crossbars and telescoping adjustable arms that are locked by a pin inserted through aligned apertures. At the distal ends of each arm, a serrated cleat for digging into the form wall and prevent slippage. The cleats are connected to the arms by a threaded rod, permitting fine adjustments via mateable threads. The crossbars are connected by a pivot bolt or hinge. When the bolt or hinge is locked in place, the invention forms a horizontally rigid assembly, holding the concrete form walls or other objects apart. The hinge or bolt is released by drawing of a wire coupled through a retention member on a lock. When released, the brace pivots about the crossbars, permitting easy extraction of the brace from the forms.

The invention discloses a distance adjusting device for a double-cone configuration diffuser and a spray pipe of a hypersonic wind tunnel. The distance adjusting device comprises a sliding cone section, a fixed cone section, a sealing ring, a supporting mechanism and a sliding rail. The fixed cone section is arranged on the sliding cone section in a sleeving mode, and the fixed cone section and the sliding cone section are sealed through the sealing ring; and the sliding cone section is placed on the supporting mechanism, the gravity center position of the sliding cone section coincides with the center line of the supporting mechanism, the supporting mechanism is installed on the sliding rail, the sliding rail is welded to the lower wall face of the test section, and the supporting mechanism moves forwards and backwards on the sliding rail to drive the sliding cone section to move forwards and backwards in the fixed cone section to adjust the distance between the sliding cone section and the spray pipe. The distance adjusting device is simple in structure and low in manufacturing cost; the use process is convenient, efficient and safe, the adjustment time can be greatly shortened,and the test preparation efficiency is improved; the configuration of the diffuser contraction section is convenient to adjust, the adjusting range of the distance between the diffuser and the spray pipe is large, and wind tunnel test requirements can be flexibly met.

Disclosed is an improved air suspension that prevents damage and / or failure of a component of an air spring, such as an air sleeve, by unwanted force or moment, such as rotational torque, applied to the air spring during vehicle traveling. The air suspension includes a damper including a cylinder and a piston rod, an air spring to which a canister and an air piston are hermetically connected via an air sleeve, an upper mount which secures the piston rod and the canister to a vehicle frame, a first bearing disposed at a connecting portion between the upper mount and the piston rod, and a second bearing disposed at a connecting portion between the air piston and the cylinder. Each of the first and second bearings is a thrust bearing.

The invention provides an intelligent identity control lock and belongs to the technical field of locks. The intelligent identity control lock solves the technical problems of poor working stability,and low safety and the like of the existing intelligent locks. The intelligent identity control lock comprises a lock box which is fixed on an element 1 and a lock bolt which is fixed on an element 2,and further comprises a lock bolt locking mechanism, an electric drive unlocking mechanism, a main control integrated circuit with a single-chip microcomputer chip and a radio frequency IC smart cardcollector or a human body biological information collector which are positioned at the lock box; and the main control integrated circuit can perform data verification comparison on data information acquired by the radio frequency IC smart card collector or the human body biological information collector and unlocking certification identification information, and the electric drive unlocking mechanism is connected with the lock bolt locking mechanism, and unlocks the lock bolt locking mechanism and releases the lock bolt when receiving an unlocking control data signal. The intelligent identitycontrol lock has advantages of wide application scope, and safe and convenient transfer.

The invention discloses a gate valve convenient to dismount and mount. The gate valve comprises a gate valve pipeline. A closing device cooperating with the gate valve pipeline is arranged at the upper end of the gate valve pipeline, the two ends of the gate valve pipeline are connected with connecting pipelines, the side walls of the sides, close to the gate valve pipeline, of the connecting pipelines are fixedly connected with annular lugs, annular grooves matched with the annular lugs are formed in the side wall of the gate valve pipeline, two sliding grooves with opposite opening directions are symmetrically formed in the annular lugs, the inner walls of the sides, close to each other, of the two sliding grooves are connected with clamping blocks through first springs, clamping groovesmatched with the clamping blocks are formed in the inner walls of the annular grooves, abutting rods are slidingly connected into the clamping grooves, and the ends, away from the clamping blocks, ofthe abutting rods penetrate through the gate valve pipeline. The gate valve is easy to operate and convenient to use, connection or disconnection between the gate valve pipeline and the connecting pipelines is easy and rapid, a large amount of time is saved while the labor intensity of workers is reduced, and the working efficiency is improved.

The invention relates to a cast support seat. The cast support seat aims at overcoming the shortages that a median septum strengthening method adopted by an existing cast support seat is high in manufacture cost and effectiveness is easy to lose. The cast support seat is formed integrally through casting and comprises a left hinging seat, a right hinging seat and a rectangular median septum arranged at the bottom of the support seat and used for connecting the left hinging seat and the right hinging seat. A sand cleaning opening is formed in the median septum. A closed annular rib enclosing the sand cleaning opening is arranged on the edge of the sand cleaning opening. According to the cast support seat, the enclosed annular rib is arranged on the sand cleaning opening so that intensity of the sand cleaning opening is enhanced, stress in the sand cleaning opening is reduced, stress concentration is avoided and the support seat is prevented from being damaged and losing effectiveness caused by cracking in the sand cleaning opening portion due to torsion of the support seat. Meanwhile, a strengthening structure is formed when the support seat is formed so that following processing process of a traditional cast support seat is avoided and quality is easy to guarantee.

Disclosed is an improved air suspension that prevents damage and / or failure of a component of an air spring, such as an air sleeve. The air suspension includes a damper including a cylinder and a piston rod slidably disposed in the cylinder, an air spring hermetically connected to an outside of the cylinder, an upper mount which secures the damper and the air spring to a vehicle frame, and a rotational sealing part disposed between the air piston and the cylinder and allowing relative rotation of the air spring and the cylinder while maintaining air-tightness between the air piston and the cylinder. The air suspension may prevent damage and / or failure of components of an air spring, such as an air sleeve, by undesired force or moment such as torsional rotational force applied to the air spring in the course of driving the vehicle.

The invention belongs to the technical field of mechanical transmission, and relates to a planet wheel shaft used for uniform loading of a planet row. The planet wheel shaft used for uniform loading of the planet row achieves the purpose that a plurality of planet wheels can coordinate with one another and realize uniform and large loads under the condition of uneven loads. The planet wheel shaft used for uniform loading of the planet row is composed of a U-shaped shaft and a T-shaped shaft, wherein the U-shaped shaft and the T-shaped shaft are axially fixed together through a positioning screw, the right end of a lubricating oil passage of the T-shaped shaft is sealed through an oil plug, the T-shaped shaft is axially fixed on a secondary framework through the positioning screw, and an interval exists between an inlet end of the U-shaped shaft and a right angle shape bottom of the T-shaped shaft. The planet wheel shaft used for uniform loading of the planet row provides a deformation space for the loaded U-shaped shaft by utilizing the interval between the U-shaped shaft and the T-shaped shaft, and enables the planet wheels to coordinate with one another and realize uniform and large loads under the condition of uneven loads, thereby restraining overlarge loads of several planet wheels, lowering the dynamic load amplitude, achieving the purposes of vibration and noise reduction, prolonging the service life of the entire planet wheel row and planetary gears in transmission, and improving the reliability of the entire planet wheel row and the planetary gears in transmission.

The invention discloses a converter control unit protection device and method. A power circuit converts a external input power supply to a voltage required by the internal portion of a DCU, a monitoring circuit monitors a power-down state of the external input power supply and feeds back the power-down state to a processor module. A chip protection module and the output protection module monitor the power-on and power-down states of a power circuit, and the corresponding protection motion is executed according to the states. When the processor module monitors the power-down state of the external input power supply, the protection logic is sent to the chip protection module and the output protection module, and the chip protection module and the output protection module execute the corresponding protection motion. The processor module monitors the loading state of the program itself and transmits the loading state to the output protection module, and the output protection module executes the corresponding protection motion. The converter control unit protection device and method can solve the technical problems that the DCU is short of effective protection in power-up and power-downprocess and the storage device built-in the product is easy to be mis-operated to cause the damaging and failure of the external conversion module.

Corrosion resistance is provided for a power cylinder by providing a preloaded molded urethane elastomer sleeve liner within an outer cylinder of material such as a copper / nickel alloy which is subject to corrosion from long-term exposure to ambient fluids such as sea water. Preloading is preferably provided by thermal shrink fitting of the molded urethane sleeve liner to the inner bore of an outer metal cylinder. Preloading of a structure which has high structural integrity and low permeability thus effectively prevents incursion of fluids and gases at the interface between the outer cylinder and the sleeve liner as well as providing a surface which can be machined to a high degree of smoothness and against which reciprocating piston seals and wear assemblies can directly ride and which is resistant to abrasion therefrom even at high piston speeds.

The invention relates to an anti-impact reinforcing structure of a debris flow retaining dam. The anti-impact reinforcing structure comprises a retaining dam body, a retaining dam foundation and a retaining dam overflow port, and further comprises a retaining dam overflow port reinforcing monomer, an apron reinforcing monomer and an apron end wall reinforcing monomer; the retaining dam overflow port reinforcing monomer is located on a bottom flow-passing surface of the retaining dam overflow port to protect the flow-passing surface of the retaining dam overflow port; and the front end of the apron reinforcing monomer is connected with the bottom of the retaining dam body, and the tail end of the apron reinforcing monomer rearwards extends by the preset distance and then is connected with the apron end wall reinforcing monomer to protect the retaining dam foundation. The anti-impact reinforcing structure has the beneficial effects that harm of debris flow flushing quick abrasion and boulder impact notch forming is prevented, the purpose of protecting the weak position is achieved, the reinforcing structure is less in investment, the service time of the retaining dam can be prolonged, and the value of governance engineering is improved greatly.

The invention provides a mounting structure and a device. The mounting structure comprises a mounting frame (50) and a damping mat, wherein the mounting frame is provided with a mounting hole (51) andis used for being connected with a to-be-installed part, the mounting frame (50) sleeves a part of the damping mat through the mounting hole (51), the damping mat is used for being connected with a fixing part, the mounting frame (50) is provided with a limiting structure (52) for limiting the rest parts of the damping mat, and when the to-be-installed part is impacted, the damping mat makes contact with the limiting structure (52) so as to increase the contact area between the damping mat and the mounting frame (50). According to the mounting structure, when the to-be-installed part is impacted, the damping mat makes contact with the limiting structure, so that the contact area between the damping mat and the mounting frame is increased, the part, located in the mounting hole, of the damping mat is prevented from being excessively stressed and damaged, the service life of the damping mat is prolonged, the reliability of the damping mat is improved, and the vibration resistance and impact resistance of a compressor are improved.

The invention discloses a sealing structure. The sealing structure comprises a separating body, an accommodating groove, a state sensor (5) and a first sealing piece (52), wherein one side of the separating body is a clean region while the other side of the separating body is a polluted region; the separating body is provided with a through hole (11) which penetrates through the clean region and the polluted region; the accommodating groove is formed in the clean region; the state sensor (5) is mounted in the accommodating groove and comprises a contact; the contact faces the through hole (11); and the first sealing piece (52) is an elastic material, and is arranged between the contact and the through hole (11). The invention further discloses a dust collector comprising the sealing structure. By the sealing structure, the circumstance that dust impurities of the outside enter a position nearby a contact of a microswitch to enable the microswitch to be damaged and fail can be preventedeffectively.

A belt drive system for a vehicle, such as a combine harvester. The belt drive system uses a driven pulley which is selectively engageable with a driven shaft to supply rotation to the shaft. The pulley is mounted on a fixed, i.e. non-rotating, housing using suitable bearings, such that the bearings of the pulley continue to rotate and are dynamically loaded for all rotation conditions of the driven pulley, i.e. whether the pulley is engaged with the shaft or not. This prevents damage to the bearings due to false brinelling.

The invention relates to the field of new energy automobile accessories, and discloses a breathable waterproof valve for a battery box of a new energy automobile. The breathable waterproof valve for the battery box of the new energy automobile comprises a positioning pipe body, a cover plate and a breathable waterproof film, elastic connecting devices are arranged between the two sides of the positioning pipe body and the two sides of the cover plate, a sliding sealing plate attached to the side face of the positioning pipe body is arranged on the elastic connecting devices, the sliding sealing plate can rotate relative to the positioning pipe body, the breathable waterproof film is arranged between the sliding sealing plate and the cover plate, and the breathable waterproof film is in a tubular shape between the sliding sealing plate and the cover plate. According to the breathable waterproof valve for the battery box of the new energy automobile, through the structural design that the breathable waterproof film is arranged between the positioning pipe body and the cover plate in a tubular shape and can rotate relative to the positioning pipe body and the cover plate, under the condition that the inner diameter of the positioning pipe body is not changed, and compared with an existing breathable waterproof valve for the battery box, the area of air flowing through the breathable waterproof film is larger, so that the breathability efficiency of the battery box of the new energy automobile is higher, and the effect is better.

The invention belongs to the field of rest stations, and particularly relates to an outdoor rest station capable of moving and dynamically increasing and decreasing for old people. The outdoor rest station comprises a bottom plate, a connecting block, a sliding sleeve, a spring B, wheels, a seat, a table and a water drinking module, a sliding groove A is formed in one side of the bottom plate of which the bottom is symmetrically provided with the four wheels, and the sliding groove A is matched with the connecting block mounted on one side of the adjacent bottom plate in an inserting mode. When a sun-shading mechanism is in an unfolded state and encounters strong wind weather, wind power acts on a sun-shading cloth in the unfolded state, so that the sun-shading cloth is bulged and drives a limiting rod A to relieve position limitation on a sliding block C, the sun-shading cloth is quickly recovered under the reset action of two vortex springs in a sliding block B, the sun-shading cloth in the unfolded state is prevented from being damaged under the continuous blowing action of wind power, the maintenance cost of the sun-shading mechanism is reduced, and the service life of the sun-shading cloth is prolonged.

Embodiments of the present invention provide a refrigerant management system (10) in a heat flux management system (1) for an electric vehicle (150) and a method of refrigerant management, the system comprising a vehicle air conditioning circuit comprising a heat pump circuit (4) with a heating function and a refrigeration cycle refrigerant circuit (6), the air conditioning circuit comprising a heat pump condenser (17) in thermal communication with a heat source (19), a refrigerant evaporator (25) in thermal communication with the heat source (19), an evaporator (31) associated with an expansion valve (29), and a refrigerant compressor (11), wherein the components are fluidly connected to one another by a refrigerant line (9), an accumulator (37) fluidly coupled in the refrigerant line downstream of the heat pump condenser (17), the refrigerant evaporator (25) and evaporator (31) and upstream of the refrigerant compressor (11),wherein the air conditioning circuit is switchable between a heating mode in which the heat pump circuit (4) is in fluid communication with the compressor (11) and the heat pump condenser (17) is isolated from fluid communication with the compressor (11) and a cooling mode wherein the refrigerant circuit (6) is in fluid communication with the compressor by actuation of at least one valve (15, 21, 41, 47);wherein the air conditioning circuit comprises a sensor (39) at the compressor inlet (239) operable to monitor refrigerant temperature and pressure; andwherein when the system is in the heating mode, a shut off valve 41 in line between the heat pump condenser (17) and the accumulator (37) is operable to open to initiate a cold start mode in which a temporary fluid communication is provided between the heat pump condenser (17) and the accumulator in the heat pump circuit when:the sensor (39) detects one or both of: a superheated refrigerant at the compressor inlet (239) and a temperature gradient of more than 3 Kelvin between ambient (T3) and the compressor inlet (239).

The invention belongs to the technical field of water quality analysis, and particularly relates to an online water quality analyzer based on Internet of Things.Theonline water quality analyzer comprises a floating block, a round hole is formed in the center of the floating block, a middle block is fixedly connected to the inner wall of the side surface of the round hole, and a probe shell is slidably connected to the inner wall of the side surface of the middle block; a probe is arranged at the bottom end of the probe shell, a driving mechanism is arranged above the probe shell, and four connecting rods which are annularly and uniformly distributed are connected to the edge of the outer wall of the bottom of the probe shell through hinges. Probe failure and damage caused by long-time soaking of the probe and the probe shell in water can be prevented, so that the service life of the probe is prolonged; duckweed and other sundries on the water surface can be pushed away through the arc-shaped ring plate on the surface of the conical plate, and thus the situation that the sensitivity of the probe is reduced due to the fact that the duckweed and other sundries adhere to the surface of the probe is prevented; and residual water on the probe shell and the surface of the probe is flushed down, so that the service life of the probe is further prolonged.

The invention discloses a supercritical carbon dioxide cylinder cooling structure and a supercritical carbon dioxide cylinder. The supercritical carbon dioxide cylinder cooling structure comprises an outer cylinder body, a rotor, dry gas sealing pieces and end gas sealing pieces; the rotor is rotationally arranged on the outer cylinder body; the dry gas sealing pieces are arranged at the two ends of the outer cylinder body and used for forming dry gas sealing at the two ends of the outer cylinder body, and first gas inlet structures are arranged on the dry gas sealing pieces so that cooling gas can flow from the exterior of the outer cylinder body to the interior of the outer cylinder body through the first gas inlet structures; and the end gas sealing pieces are arranged between the outer cylinder body and the rotor, are arranged at the two ends of the outer cylinder body and are located inside the dry gas sealing pieces, and second gas inlet structures are arranged on the end gas sealing pieces, so that the cooling gas flowing in from the first gas inlet structures flows into the outer cylinder body through the second gas inlet structures. According to the supercritical carbon dioxide cylinder cooling structure, the operating temperature of the cylinder can be reduced, and protection is provided for dry gas sealing operation of a supercritical carbon dioxide turbine.

A prosthesis, comprising a housing (10), a first sleeve (31), a second sleeve (32) and a third sleeve (33) that are accommodated within the housing (10); the second sleeve (32) is configured to remain axially stationary relative to the housing (10), the second sleeve (32) being coaxially sleeved on an exterior portion of the first sleeve (31); the first sleeve (31) is connected to the third sleeve (33) by means of a restriction assembly, and the third sleeve (33) extends from a proximal end to a distal end, and extends out of the housing (10), the restriction assembly restricting the third sleeve (33) from rotating about an axis of the second sleeve (32). Under the action of an alternating magnetic field, the second sleeve (32) has a first working state and a second working state; when the second sleeve (32) is in the first working state, the second sleeve (32) drives the first sleeve (31) to move along an axial direction of the housing (10), and when the second sleeve (32) is in the second working state, the second sleeve (32) causes the first sleeve (31) remain axially stationary relative to the second sleeve (32).

The invention discloses a simple reaction device which comprises a tank body, a feeding pipe, a discharging pipe and a tank cover; the bottom of the tank body is connected with an elastic plate; the elastic plate is circular; the diameter of the elastic plate is greater than that of the tank body; a pedal plate is arranged at the bottom of the elastic plate and is set into a frame-shaped structure, a plurality of vibrating springs vertically connected with the bottom of the elastic plate are also arranged at the bottom of the elastic plate, index parameters of the vibrating springs are identical, and the end parts of the vibrating springs are connected with a base; the base is circular; the diameter of the base is equal to that of the elastic plate. The simple reaction device disclosed bythe invention is simple in structure, easy to manufacture and realize and low in manufacturing cost; the vibration of the tank body is manually realized; the material chemical reaction can be realizedwithout other energy sources, so that convenience and energy conservation are realized; the vibration amplitude of the tank body can be flexibly controlled, so that the chemical reaction rate is conveniently regulated, flexibility and practical use are realized; the simple reaction device is particularly suitable for the simple chemical reaction of a small amount of materials and worthy of beingwidely popularized and used.

The invention discloses an easy-to-detach rotor anti-loosening device and a centrifugal mixer provided with the same, and belongs to the technical field of mechanical design. The rotor anti-loosening device comprises ball screws, locking nuts, rotating pieces and a rotating base, wherein installation holes and locking holes are formed in the rotating pieces, and connecting studs are arranged on the rotating base; threaded holes are formed in the locking nuts, the ball screws are connected with the threaded holes, and the lower end portions of the ball screws protrude out of the lower surfaces of the locking nuts; and the locking nuts are in threaded connection with the connecting studs penetrating through the installation holes, the end portion of one ball screw abuts against the interior of one locking hole, and the end portions of the other ball screws abut against the end surfaces of the rotating pieces and press the rotating pieces. The device not only can effectively prevent a rotor from loosening in a high-speed rotation process, but also is easy to install and detach, and parts on a main shaft are convenient to replace.

The invention relates to the related field of radiation-proof equipment, and discloses a radiation-proof clothes cleaning device based on gravity automatic speed regulation. The radiation-proof clothes cleaning device comprises a main box, a bevel gear cavity is formed in the main box, a reciprocating gear cavity is formed in the upper side of the bevel gear cavity, a speed regulation friction wheel cavity is formed in the right side of the bevel gear cavity, and a screw rod sliding block cavity with a downward opening is formed in the left side of the bevel gear cavity. A scrubbing cavity which is provided with a leftward opening and is through in the front-back direction is formed in the lower side of a banister brush in a communicating mode, and a small magnetic sliding block cavity located in the left side of the bevel gear cavity is formed in the upper side of the screw rod sliding block cavity in a communicating mode. Radiation-proof clothes are extruded through fixing plates, sothat the radiation-proof clothes are fixed, and the situation that the structure of the radiation-proof clothes is damaged due to the fact that a reciprocating screw rod rotates forwards and reversely to drive the banister brush to wash the radiation-proof clothes is avoided; and meanwhile, a gravity sensor senses the radiation-proof gravity, so that different radiation-proof clothes are cleanedat different speeds and for different times, the cleaning effect is guaranteed, and the situation that the radiation-proof clothes are damaged and fail due to the fact that the radiation-proof clothesare soaked for a long time is avoided.

The invention discloses a mobile terminal and a display device. The display device includes: a display module, including a display panel and a cover plate covering the display panel, the cover plate includes a first end surface and a side surface connected to the first end surface, and the cover plate is arranged on the display panel through the first end surface; the middle frame , including a step-shaped placement groove, the display module is placed in the placement groove, the placement groove includes a first inner surface, a first step surface and a stress relief part, and the first inner surface and the first step surface are smoothed by the stress relief part The cover plate is carried on the first step surface, the side surface of the cover plate is adjacent to the first inner surface, and the connection part between the first end surface and the side surface of the cover plate is arranged correspondingly to the stress releasing part. By arranging the connecting portion between the first end face and the side of the cover plate correspondingly to the stress releasing portion, it is possible to effectively avoid uneven stress on the cover plate when the display device is impacted, thereby preventing the display module from being damaged and failing.