60results about How to "Have a blocking effect" patented technology

The present invention discloses a high performance modified styrene butadiene rubber composition. The high performance modified styrene butadiene rubber composition is prepared from the following raw materials: styrene butadiene rubber, epoxidized natural rubber, a carbon nano-tube, modified montmorillonite, nano aluminium nitride, precipitation-method white carbon black, modified boehmite, nano aluminium hydroxide, nano magnesium hydroxide, stearic acid, sulfur, zinc oxide, organic silicon peroxide, polyvinyl alcohol, diphenyl phosphate, lanthanum stearate, an anti-aging agent RD, an anti-aging agent NBC, an anti-aging agent 4010NA, diethyl dithiocarbamate zinc, dithiocarbamate cerium formate glutamate, an accelerant DM and triethyl citrate. wherein a modifier of the modified boehmite is a mixture comprising one or more of methacrylic acid, itaconic acid, sorbic acid, maleic acid, arachidonic acid and linoleic acid. The high-performance modified styrene butadiene rubber composition provided by the present invention has high strength, good abrasion resistance, and excellent heat resistance and weather resistance.

The invention relates to a splicing template for a building, and belongs to the technical field of building construction. The splicing template comprises a template body; the template body comprises multiple groups of splicing components; each splicing component comprises multiple groove-shaped modules; the splicing template for the building further comprises first fixing components; each fixing component comprises two plate bodies; multiple first springs are arranged between the plate bodies on two sides; rod bodies are arranged on sides, which face to the plate bodies on the other side, of the plate bodies on one side; through holes for the rod bodies to penetrate through are formed on the plate bodies on the other side; openings for the rod bodies to penetrate through are formed in theopposite faces of the adjacent groove-shaped modules; the plate bodies are pulled by resisting elasticity of the first springs, and the rod bodies are driven to penetrate through the through holes andthe openings, so that fixing of the adjacent groove-shaped modules can be realized; operators can finish operation manually without aid of other tools; the fixing mode is convenient and simple; and assembly efficiency of operation personnel is improved.

The invention relates to a traffic sign board and a mounting method thereof, and belongs to the technical field of road facilities. The traffic sign board comprises a base. A stand column is arrangedon the base. A sign is arranged at the end, away from the base, of the stand column. A barrel is arranged at the end, away from the base, of the stand column. The barrel and the stand column are arranged coaxially. An inserted rod inserted into the barrel is fixedly arranged on the sign. Flanges are annularly arranged on the inner wall of the barrel. Space is reserved between the flanges and the inner wall of the barrel. Fixed parts are annularly arranged on the inserted rod in the circumferential direction of the inserted rod, and the fixed parts are used for moving into the space so as to prevent the inserted rod and the barrel from being separated. The fixed parts comprise multiple elastic rods arranged in the circumferential direction of the inserted rod, the inserted rod is inserted into the barrel, the elastic rods are connected into the space between the flanges and the inner wall of the barrel in a clamped manner, and mounting and fixing to the sign can be completed. The fixedmanner is convenient and simple, and the mounting efficiency of mounting workers is improved.

The invention belongs to the technical field of vegetable washing devices, and particularly relates to a water sealing-based deodorizing and anti-blocking kitchen sink. The water sealing-based deodorizing and anti-blocking kitchen sink comprises a vegetable washing tank, a water outlet square pipe, a filtering water pipe, an outer storage shell and an inner storage shell, wherein when people washvegetables, sewage obtained after washing the vegetables and picked-off waste vegetables flow into the water outlet square pipe through a water draining square hole; the sewage and the waste vegetables flowing into the water outlet square pipe press a deodorizing structure to move the deodorizing structure downwardly; when an inclination plane on the deodorizing structure moves till an inclinationangle is equal to that of the filtering water pipe, the sewage obtained after washing the vegetables and the picked-off waste vegetables move into the filtering water pipe along the inclination planeon the deodorizing structure; the sewage flowing into the filtering water pipe flows into the water outlet square pipe through a water outlet hole, and thus the sewage is drained into a big sewer pipe through the water outlet square pipe; the waste vegetables in the filtering water pipe move to the inner side of the inner storage shell through a first sundry inlet in the outer storage shell and asecond sundry inlet in the inner storage shell under the action of gravity.

The invention relates to a flood control and storm drainage water pump station, and belongs to the technical field of water pump stations. The flood control and storm drainage water pump station comprises a water inlet pool, a second connecting pipe, a water inlet pipe, an adjusting pool, a pump room, a water outlet pool, a water outlet pipe, a first connecting pipe, a sludge treatment pool and athird connecting pipe; two clapboards are fixedly arranged on the inner side wall of the water inlet pool, a water filtering cavity is formed between the two clapboards, and a filtering mechanism anda stabilizing mechanism are arranged in the water filtering cavity; a water collecting cavity is formed between the clapboards and the side wall of the water inlet pool, installation grooves are formed in the top ends of the clapboards, and water filtering mechanisms are arranged in the installation grooves; and the stabilizing mechanism comprises an attaching plate attached to the inner bottom surface of the water outlet pool, a driving rod arranged above the attaching plate, and a connecting rod fixedly arranged between the driving rod and the attaching plate, and a driving assembly and a guiding assembly are arranged between the driving rod and the water inlet pool. This flood control and storm drainage water pump station, through mutually cooperating of the third connecting pipe and the stabilizing mechanism, facilitates the discharging of the sludge in the water inlet pool, and the stability and the practicability of the flood control and storm drainage water pump station are improved.

The invention discloses a construction method of a bridge lower structure. The key point of the technical scheme is that cotton slivers or sealing strips are embedded in the inner sides between adjacent steel sheet piles; c, a triangular water guiding plate is mounted on one side of a guide frame along the direction of water flow; d, a water pump enters a cofferdam for discharging internal accumulated water, concrete layers are poured at the bottoms of the steel sheet piles of the cofferdam; and e, backfilled soil is backfilled to form a foundation pit in the cofferdam, the pit wall which the two sides having slopes is excavated in the cofferdam, gravel layers are backfilled in the slopes, so that the outer sides of the gravel layers are perpendicular to the bottom of the foundation pit, a fender is fixed to the outside of the backfilled soil, column piles are attached to the outer side of the fender, anchor piles are obliquely inserted on both sides of the foundation pit, the anchor piles are connected with the column piles through steel wires, the cofferdam of the bridge is tight in waterproof performance, and construction of the foundation pit at the bottom is more stable.

The invention discloses an electromechanical equipment control cabinet. The cabinet comprises a cabinet body, wherein the front side of the cabinet body is movably connected with a box door through ahinge; punching nets are installed at the bottoms of the two sides of the inner wall of the cabinet body, a fixed plate is installed at the top of the inner wall of the cabinet body, a transmission box is fixedly connected to the top of the cabinet body, a servo motor is fixedly connected to the top of the inner wall of the transmission box, and a rotating shaft is fixedly connected to the outputend of the servo motor. According to the invention, the servo motor drives the rotating shaft to rotate, the rotating shaft drives a rotary table to rotate, and the rotary table drives the sliding rodto slide in the circular sliding chute; the sliding rod drives a heat dissipation box to rotate; the heat dissipation box rotates to dissipate heat in the cabinet body in a larger range, thereby achieving the good heat dissipation effect, and solving the problems that the heat dissipation effect is slow, and people cannot use the cabinet conveniently because an existing electromechanical equipment control cabinet is poor in heat dissipation effect in use and a heat dissipation device in the cabinet is always fixed.

The invention belongs to the technical field of metal cutting devices, especially an automatic metal cutting device. Aiming at the problems of low cutting efficiency, low precision, high labor intensity, high risk and low degree of automation in the prior art, the following proposals are now made: The scheme includes a cutting table, and the cutting table is a hollow structure. A through hole is opened on the top of one side of the cutting table, and a moving plate is slidably connected in the through hole. Two moving holes are symmetrically opened on the top of the cutting table. In the invention, starting the servo motor can not only drive the moving plate to move to realize the effect of automatic feeding, but also realize the effect of automatic clamping of the plate through the cooperation of the pressing rod and the pressing plate during the feeding process, and realize the automatic clamping effect by rotating the block. The effect of unloading, the whole process is highly automated, the operation is simple, no manual feeding is required, the labor intensity is low, the safety is high, and the cutting efficiency and cutting accuracy are greatly improved.

The invention belongs to the technical field of a metal cutting device, and particularly relates to an automatic metal cutting device. For the problems of low cutting efficiency, low precision, high labor intensity, high hazard and low degree of automation in the prior art, the invention proposes the following scheme that the automatic metal cutting device comprises a cutting table; the cutting table is of a hollow structure; a through hole is formed on the top of one side of the cutting table; a moving plate is in sliding connected into the through hole in a penetrating mode; and two moving holes are symmetrically formed on the top of the cutting table. In the invention, by starting a servo motor, not only can the moving plate be driven to move and the automatic feeding effect is achieved, but also the effect of automatically clamping a plate can be achieved through cooperation of a pressing rod and a pressing plate in the feeding process, the automatic discharging effect can be achieved through a rotating block; the automatic metal cutting device is high in automation degree in the whole process and easy to operate; hand pressing feeding does not need to be carried out; labor intensity is low; safety is high; and the cutting efficiency and the cutting precision are greatly improved.

The invention provides an automatic intelligent production line for H-shaped steel, relates to the technical field of steel structure production, and solves the problems of automatic adjustment of two welding positions by a welding gun and clamping and blanking of a steel plate. The automatic intelligent production line comprises a supporting structure, a pushing mechanism and a welding assembly; the supporting structure is jointly composed of two first supporting frames and a second supporting frame, and the first supporting frame is fixed to the ground through bolts; the pushing mechanism is installed between the two first supporting frames; and the welding assembly comprises an electric motor, and the electric motor is fixed to the front side of the second supporting frame through a bolt. Through the arrangement of a feeding inclined plate, the effect that a steel plate conveniently moves towards the position above a baffle is achieved, so that a single vertical steel plate conveniently moves downwards to be welded, a clamping base is arranged on one side of a first air cylinder, the first air cylinder pushes a clamping block to clamp and position a vertical steel plate, and inclined faces are symmetrically arranged on the inner side of a sliding base; and the two inclined surfaces facilitate automatic adjustment of the sliding base according to the thickness of the welded steel plate.

The invention discloses an oil field wellhead device with a multi-stage coupling viscosity reduction function, and relates to the technical field of oil field exploitation. The oil field wellhead device comprises an access pipe, wherein one end of the access pipe is connected with a first flow measuring box; one end of the first flow measuring box is provided with an opening valve; one end of the opening valve is provided with a pump pipe; one end of the pump pipe is provided with a first steering pipe; one end of the first steering pipe is provided with a flow limiting pipe; one end of the flow limiting pipe is provided with a porous connecting pipe; a viscosity reduction pipe is arranged above the porous connecting pipe; a limiting pipe is arranged above the viscosity reduction pipe; one side of the limiting pipe is provided with a limiting disc; the limiting disc is rotationally provided with a swing disc; one end of the porous connecting pipe is provided with a limiting cylinder; and the outer part of the limiting cylinder is sleeved with a fixing block. The oil field wellhead device has the advantages that the rotation of a motor is adjusted, the two ends of the swing disc are controlled to swing up and down through an adjusting rod, a flow limiting block slides up and down in the limiting pipe to control the amount of a viscosity reducer flowing into the viscosity reduction pipe, and the viscosity of petroleum is reduced to different degrees.

The invention belongs to the technical field of vegetable washing devices, and particularly relates to a kitchen anti-blocking sink based on a water seal. The kitchen anti-blocking sink comprises a vegetable washing pool, a water discharge square pipe, a filtering water pipe, an outer storage shell and an inner storage shell. In a process that people wash vegetables, sewage generated after vegetables are washed and waste vegetables which are picked can flow into the water discharge square pipe through a water discharge square hole under the function of water flow; the sewage and the waste vegetables which flow into the water discharge square pipe extrude a deodorization structure to enable the deodorization structure to move downwards; when a slope on the deodorization structure moves to be the same with the inclination angle of the filtering water pipe, the sewage generated after vegetables are washed and waste vegetables which are picked can move into the filtering water pipe along the slope on the deodorization structure; the sewage which flows into the filtering water pipe can flow into the water discharge square pipe through the water outlet; therefore, the sewage is introduced to a big downcomer through the water discharge square pipe; waste vegetables left in the filtering water pipe move to the inner side of the inner storage shell through a first sundries inlet on theouter storage shell and a second sundries inlet on the inner storage shell.

The invention belongs to the technical field of vegetable washing devices, and particularly relates to a kitchen odor-resistant anti-blocking controllable water tank based on water seal. The water tank comprises a vegetable washing tank, a water outlet square pipe, a filter water pipe, a storage outer shell and a storage inner shell. When people wash vegetables, sewage and picked off waste vegetables after washing of the vegetables can flow into the water outlet square pipe through a discharging square hole under the action of water flow, the sewage and the waste vegetables flowing into the water outlet square pipe can extrude an odor-resistant structure, so that the odor-resistant structure moves downwards, the sewage and the picked off waste vegetables after washing of the vegetables canmove into the filter water pipe along the inclined surface on the odor-resistant structure when the inclined surface on the odor-resistant structure moves until the inclined angle of the inclined surface is as same as that of the filter water pipe, the sewage flowing into the filter water pipe can flow into the water outlet square pipe and drained into a large discharging pipe through the water outlet square pipe, and the waste vegetables in the filter water pipe can move to the inner side of the storage inner shell through a first impurity inlet in the storage outer shell and a second impurity inlet in the storage inner shell.

The invention provides an anti-winding mechanism for end face fibers of textile machinery rotating parts. The anti-winding mechanism comprises a supporting mechanism. A rectangular hole for reducing weight is formed in the supporting mechanism. The supporting mechanism is provided with a clamping mechanism in an elastic mode. A pulling ring is installed on the clamping mechanism. Two T-shaped handles are fixed on the supporting mechanism through bolts. Rubber sleeves sleeve the handles. The supporting mechanism is provided with a rotating mechanism in a rotary mode. And the rotating mechanismis connected with a power mechanism. According to the anti-winding mechanism for the end face fibers of the textile machinery rotating parts, clamping and anti-winding structures of a roller are improved. Through a sliding rod A installed on a supporting plate A in an elastic mode, the sliding rod A can slide inward to clamp the roller. Through a clamping bolt installed on the supporting plate A,the sliding rod A can be clamped and fixed by the clamping bolt. Through a grooving installed on an end cover A, the roller can be effectively hided by the grooving. The groove on the end cover A canblock fiber lines and reduce the winding effect of fibers.

The invention relates to the technical field of boilers, and discloses a convenient-to-use boiler comprising a boiler body. A boiler opening is formed in one side of the boiler body, a positioning groove is formed in the bottom of the boiler opening, a moving groove is formed in the top of the boiler opening, a sliding groove is formed in one side of the moving groove, and a boiler door is slidably connected into the moving groove; and the bottom of the boiler door penetrates through the boiler opening and extends into the positioning groove, and a pulling block is fixedly connected to one side of the boiler door. According to the convenient-to-use boiler, motor operation drives a rotating wheel to rotate, so that a pulling rope is wound in a wheel groove of the rotating wheel, due to thefact that the bottom of the pulling rope is fixedly connected with a pulling ring and the pulling block, and a position of the pulling block is fixedly connected with the boiler door so that the boiler door can be upwards pulled up, and the situation of adding fuels into the boiler from the boiler opening by people is facilitated; and the process is high in automation degree, a protective role isplayed to operators, scald of the operators during manual involvement is avoided, and application and popularization are facilitated.

The invention discloses a special cervical anesthesia outfit for obstetrics and gynecology department. The outfit comprises a bed body, an anesthesia auxiliary device, a vaginal orifice expansion auxiliary device and an anesthesia gun; the anesthesia gun comprises a handheld part, a protection part, a vaginal orifice expansion part and an anesthesia part; the anesthesia auxiliary device comprisesa medicament box used for placing anaesthesia medicaments, a medicament pump used for being connected to the anesthesia part, and a liquid flow meter used for controlling the medicament flow; and thevaginal orifice expansion auxiliary device comprises an air pump used for being connected to an expansion air bag, and a rotor flow meter used for controlling gas flow. The outfit has high automationdegree, can greatly reduce the workload of medical personnel, and is suitable for mass popularization.

The invention discloses a rail foreign matter removing maintenance device based on railway track maintenance, the rail foreign matter removing maintenance device comprises an outer frame, a hollow block, a rotating shaft and a dust collector, the top of the outer frame is fixedly provided with a garbage storage box, the left side of the garbage storage box is provided with a conveying belt, and the outer surface of the conveying belt is fixedly connected with a first connecting block; the bottom of the conveying belt is connected with a first rotating wheel, the outer side of the first rotating wheel is fixedly connected with a fixing frame, the hollow block is fixed to the left side of the outer frame, a lifting block is installed in the hollow block, the outer side of the lifting block is fixedly connected with a limiting block, and the left side of the lifting block is fixedly connected with a second connecting block. The rail foreign matter removing maintenance device based on the railway track maintenance is provided with the sweeping equipment, so that the foreign matters on the rail can be swept and conveyed, the situation that the foreign matters roll and are difficult to directionally convey in the conveying process can be avoided, meanwhile, power equipment is not needed to drive the sweeping equipment to rotate, and the device is more energy-saving and environment-friendly.

The invention discloses a protective transformer convenient for cooling and heat dissipation, and belongs to the technical field of transformers, the protective transformer specifically comprises a protective box, a transformer and a refrigeration compressor, a base is arranged at the bottom of the protective box, the transformer is mounted in the protective box, anti-collision plates are arranged on the two sides of the protective box, and an air inlet groove is formed in the bottom of the protective box; an air inlet groove is formed in the top of the protection box, an air outlet groove is formed in the top of the protection box, mounting plates are arranged in the air inlet groove and the air outlet groove, cooling fans are arranged on the mounting plates, and circulating pipes are arranged in the air inlet groove and the air outlet groove and connected with a refrigeration compressor; according to the transformer protection device, the effect of blocking dust and rainwater is achieved through the protection box, the service life of the transformer is prolonged, the effect of damping and buffering is achieved on the protection box through an anti-collision plate and a buffering mechanism, the transformer is prevented from being damaged when the protection box collides, and under cooperation of a cooling fan, a traction assembly, a circulating pipe and a refrigeration compressor, the cooling effect of the transformer is improved. And the heat dissipation efficiency of the transformer is improved.

The invention provides a color wheel component, an excitation light source and a projection device. One side of a corresponding part of a red fluorescence area of the color wheel component is providedwith a boron nitride coating while the other side is provided with glass powder, and two faces of a non-red fluorescence area both are provided with glass powder coatings. Since a boron nitride material is arranged at a corresponding position of the red fluorescence area, compared with the glass powder, thermal conductivity of the boron nitride material is better, and a crystal structure of the boron nitride is a stratified structure, the boron nitride material can play a role in blocking light effectively, consequently, exciting light incident to a red fluorescence powder part can be reducedfurther, attenuation of the red fluorescence generated under direct irradiation of relatively stronger exciting light can be avoided effectively, therefore, adjustment of intensity of the exciting light specially executed for the red fluorescence powder is not needed, exciting of different fluorescence powder can be satisfied simultaneously just by keeping the same exciting light path, a problemof thermal quenching of the red fluorescence powder is solved effectively, system effects can be better, the service life is prolonged, and the production cost is reduced effectively.

The invention discloses storage and preservation equipment for financial auditing materials. The equipment comprises a shell, a drying box is fixedly connected to the bottom of the shell, a concave plate is fixedly connected to the bottom of an inner cavity of the drying box, a drying agent is installed in an inner cavity of the concave plate, bases are fixedly connected to the two sides of the bottom of the drying box, a box door is movably connected to the front side of the shell through hinges, and a ventilation mechanism communicates with the top of the shell. An adjusting plate drives a sliding rod to slide in a transverse groove; the sliding rod moves to drive a sliding sleeve to slide on the surface of a guide column; and after the storage distance is adjusted by the adjusting plate, positioning rods are driven by a circular plate to be inserted into inserting holes, and meanwhile, the positioning rods are inserted into positioning grooves, so that the position of the sliding sleeve can be fixed, the advantage of convenience in fixing and drying is achieved, and the problem that existing financial auditing materials are inconvenient to fix and dry in the storage process is solved.

The invention relates to the technical field of welding, in particular to an improvement mechanism for adding welding slag baffles to a robot welding gun. The improvement mechanism comprises a transparent box and a base, wherein the transparent box is placed in the middle of the upper end of the base. Two hinged seats are respectively arranged at the lower ends of two sides in the transparent box,and the baffles are hinged through the two hinged seats on the same side. Support plates are horizontally welded on the upper ends of the two sides outside the transparent box respectively. A connecting mechanism is arranged between an output shaft of a stepping motor and the baffles on the same side. Auxiliary support mechanisms are respectively arranged in the middle of the two sides of the upper end of the transparent box, and buckling mechanisms are respectively arranged at the lower ends of the two sides in the transparent box. A collecting mechanism is arranged in a square groove. By adjusting the angle of the baffles, the baffles can block welding slag in the welding process and prevent the welding slag from splashing. Meanwhile, the transparent box is convenient for an operator toobserve the robot welding gun and robot hands, so the control effect is improved.

The invention discloses a cleaning machine for chili seeds. The cleaning machine comprises a cleaning machine body, wherein several cleaning water tanks which are arranged in sequence in a ladder shape are arranged on the cleaning machine body, and the water inlet end of the cleaning water tank at the lower position in every two adjacent cleaning water tanks is an overflow end of the cleaning water tank located at the higher position. A filtering screen is furthermore arranged on the cleaning machine body, wherein the feeding end of the filtering screen corresponds to the overflow end of the cleaning water tank at the lowermost position, and the water outlet end, corresponding to the filtering screen, on the cleaning machine body is provided with a drainage space. The cleaning machine hasthe advantages that the cleaning effect is good, the production efficiency is high, human input is reduced, and water resources are saved.

The invention relates to the technical field of walnut cracking, and discloses a manual pressure type walnut cracker. The walnut cracker comprises a base plate, two vertical rods, a supporting plate,a U-shaped block, a rotating shaft, a fixing base, a movable rod, a compression spring, a cracking mechanism, a placement mechanism and a handle. The two vertical rods are fixed to the two ends of theright side of the base plate and arranged in parallel. The supporting plate is fixed to the top between the two vertical rods, the U-shaped block is fixed to the middle of the top of the supporting plate, the U-shaped block is parallel to the two vertical rods, and the rotating shaft is fixed to an inner cavity of the U-shaped block. Walnuts are placed into the placement mechanism, the handle israpidly pulled downwards, the cracking mechanism is moved downwards to be clamped into the placement mechanism, gravity of the cracking mechanism is used for cracking and crushing shells of walnuts inside the placement mechanism, the walnut shells are sprung back through reverse force of a compression spring, and the walnut cracker is safe, convenient to use, capable of saving time and labor and convenient for women and children to use.

The invention discloses an engineering machinery electrical equipment detection device. The device comprises a detection device, the front surface of the detection device is fixedly connected with a control panel; a bearing plate is arranged on the right side of the detection device; symmetrical idler wheels are arranged below the bearing plate. The upper surface of each roller is fixedly connected with the bottom surface of a bearing plate, the right end of the bearing plate is fixedly connected with an inclined plate, the left end of the upper surface of the bearing plate is fixedly connected with a first fixing plate, the front surface of the first fixing plate is fixedly hinged with a supporting rod through a first pin shaft, and the top end of the supporting rod is fixedly connected with a clamping block. In the engineering machinery electrical equipment detection device, the concave block is arranged, so that the effect of connecting the concave block is achieved, the effect of indirectly fixing the electrical equipment is achieved, the stability of the electrical equipment is improved, and the problem that the electrical equipment detection effect of the detection device isaffected due to the fact that the electrical equipment is easily shaken in the detection process and separated from the detection device is solved.

The invention belongs to the technical field of data statistics, and particularly discloses a differential privacy mechanism for an intelligent water meter data release behavior. The mechanism which comprises the steps of 1, inserting an IC card into an intelligent water meter to perform original data recording, and constructing an original data model; 2, adding a noise value into the original data model according to a Laplace noise mechanism for the original data; and 3, constructing and outputting a data release model added with the noise value. The invention aims to provide the differentialprivacy mechanism for intelligent water meter data release behaviors so as to solve the problem of how to carry out privacy protection in the water meter data release process.

The invention relates to a combined ecological cofferdam. The combined ecological cofferdam comprises a plurality of stand columns, wherein an inserting rod used for being inserted into the ground is fixedly arranged at one end of each stand column; a weir plate is arranged between every two adjacent stand columns; a plurality of first hinge plates are arranged on the two sides of each stand column in the height direction of the stand column; a plurality of second hinge plates are arranged on the edges of the two sides of each weir plate; the plurality of second hinge plates and the plurality of first hinge plates are arranged in a one-to-one correspondence mode; hinge shafts which are used for freely penetrating through the first hinge plates are fixedly arranged on the second hinge plates; fixing pieces used for preventing the hinge shafts from being separated from the first hinge plates are arranged on the hinge shafts; and sealing pieces used for sealing gaps between the weir plates on the two sides and the stand columns are arranged on the stand columns. The combined ecological cofferdam has the advantage that the applicability of the whole cofferdam is improved.

The invention discloses new energy automobile glass which comprises a first glass body, a second glass body is arranged on the back face of the first glass body, a third glass body is arranged on theback face of the second glass body, and an adhesive layer is arranged on the back face of the first glass body. According to the invention, the strength of the automobile glass can be greatly improvedthrough three layers of protection of the first glass body, the second glass body and the third glass body, the adhesive layer is arranged between the first glass body and the second glass body, thefirst glass body can be prevented from being broken and sputtered into the automobile body during collision; the space between the second glass body and the third glass body is hollow, the sound insulation effect can be achieved, the privacy of the automobile body is improved, and the problems that existing automobile glass is single in structure and function and cannot meet the protection requirement when an accident occurs and is inconvenient for a user to use are solved.

The invention discloses an air purifying system which comprises a fan (1), a ventilation pipe (2), an air filter (3), a gas sensor (4), a microprocessor (5) and a wireless communication module (13), wherein the gas sensor (4) is arranged in the ventilation pipe (2) connected with an air inlet of the fan (1); the gas sensor (4) is connected with the microprocessor (5); the microprocessor (5) is connected with the fan (1) through a motor driving circuit; the microprocessor (5) is connected with the wireless communication module (13); the air purifying system further comprises a humidity sensor (7), a singlechip microprocessor (8) and an atomization device. According to the air purifying system, an automatic detection function is increased, the fan can be automatically controlled to run, and a detection result can be sent by the wireless communication module, so that the automation degree is improved, the detection function is increased, the electric energy can be reasonably saved, and the cleaning efficiency of the system is improved; the air purifying system can be well applied to purification of a workshop.

The invention relates to a ventilation grid for comprehensive pipe rack war. The ventilation grid comprises a ventilation port; a grid stretches over in the ventilation port in a sealing mode; the grid comprises a frame body connected to the inner wall of the ventilation port; multiple first grid bars are arranged in the frame body in parallel at intervals; second grid bars for closing the whole grid are arranged between the adjacent first grid bars; one ends of the multiple second grid bars penetrate through, and are fixedly connected with rotating shafts; the rotating shafts penetrate through, and are rotationally connected to the first grid bars and the frame body; driving pieces for driving the rotating shafts to rotate and driving the multiple second grid bars to move between the adjacent first grid bars are arranged on the outer wall of the ventilation port; the ventilation port is closed by the first grid bars and the second grid bars for preventing part of rainwater from entering a comprehensive rack; and when the air attack occurs, the first grid bars and the second grid bars can achieve a stop effect on impact force of guided missiles or other explosives to prevent damageof pipes in the comprehensive rack so as to prevent paralysis of the whole city.

The invention provides an end face fiber anti-winding mechanism of a rotating part of a textile machine, which includes a supporting mechanism; a rectangular hole for reducing weight is opened on the supporting mechanism, and an elastically connected clamping mechanism is installed on the supporting mechanism, and a clamping mechanism is installed on the clamping mechanism. Pull ring; two T-shaped handles are fixed by bolts on the supporting mechanism, and rubber sleeves are sleeved on the handles; a rotating mechanism connected by rotation is installed on the supporting mechanism, and the rotating mechanism is connected with the power mechanism. The present invention improves the clamping and anti-winding structure of the drum. By setting the elastically connected sliding rod A on the supporting plate A, the sliding rod A can slide inward to clamp the drum. Tighten the bolt so that the clamping bolt can clamp and fix the sliding rod A. Through the groove provided on the end cover A, the groove effectively hides the roller, and the groove on the end cover A has the effect of blocking the fiber thread , reducing the effect of fiber entanglement.