36results about How to "Ease of local maintenance" patented technology

The compact ceramic fiber spraying lining consists of ceramic fiber and high temperature binding agent, and the high temperature binding agent has ingredients including fine alumina powder 2.8-3.2 wt%, fine silica powder 3.3-3.7 wt%, nanometer level alumina powder 0.9-1.1 wt%, and ammonia water 0.9-1.1 wt% except water. During forming ceramic fiber spraying lining, one spray gun with several atomizing nozzles around it is used, the high temperature binding agent is pumped into the atomizing chamber and sprayed via the atomizing nozzles while ceramic fiber is sprayed from the spray gun, and the sprayed binding agent and the ceramic fiber are mixed in the air and the mixture is jetted to the lined surface to form the compact ceramic fiber spraying lining. With high strength, excellent waterproof performance, high heat shock resistance, easy construction and low cost, the sprayed lining is suitable for industrial furnace, tower, cylinder, etc.

The invention relates to a mixing device in the chemical industry, and in particular to a combined type layered fluid partition mixing device and its application. The fluid partition mixing device has a layered structure, is respectively provided inside with independent resident chambers for containing different fluids and a mixed chamber for containing the mixed fluid, each resident chamber is respectively communicated with the mixed chamber through a layered partition channel, and the layered partition channels with different fluids passing through are arranged independently and alternately from top to bottom, and different fluids in the resident chambers outflow respectively through the corresponding layered partition channels, and the outflow fluids are arranged alternately in layers, and mixed in the mixing chamber and outflow; and the fluid partition mixing device can be used for liquid-liquid mixing, liquid-gas mixing or gas-gas mixing. The mixing device of the invention is simple for processing and convenient for maintenance, and is mainly used for rapid mass transfer, heat transfer and polymerization, nitration, sulfonation, esterification, diazotization, coupling, acid-base neutralization and other various chemical reactions.

The invention discloses a vibrating equal-thickness flip-flow screen for multi-plastid activation. The flip-flow screen comprises an outer screen frame, a flip-flow body, an excitation device, a supporting frame, a T-shaped vibration isolation spring device and a screen plate, and the flip-flow body is fixedly arranged between two side plates of the outer screen frame to form a screen box; the excitation device is connected to the side face of the screen box through a main vibration spring; and the supporting frame and the outer screen frame are connected through the T-shaped vibration isolation spring device. The vibrating equal-thickness flip-flow screen for multi-plastid activation has the advantage that multi-plastid transverse vibration (which is beneficial to activating materials), equal-thickness screening and screen surface relaxation are achieved. The flip-flow screen only has transverse shearing dynamic load to the ground, a special vibration mode has a transverse activationeffect on materials, and the screening efficiency is high. The flip-flow screen surface makes the materials jump, and the hole blocking phenomenon is effectively eliminated. A motor is connected witha vibrating plastid small in amplitude, and the function of protecting the motor is achieved. The vibrating plastid and the screen box are flexibly connected through a plurality of sets of springs, sothat the stress of the whole structure is more reasonable.

The invention provides a low concentration photovoltaic generating module which comprises solar energy cells, a heat radiation base plate, mirror side concentrators, a plated film transparent cover plate and a frame. The solar energy cells are arranged in rows and adhere to the heat radiation base plate uniformly through a insulation heat conduction bonding layer, and is in series connection to form a cell string through a bus bar. A strip mirror side concentrator with a herringbone cross section is arranged between adjacent two rows of solar energy cells to converge incident light to cells. The plated film transparent cover plate covers the upper part of the mirror side concentrators. The heat radiation base plate, the mirror side concentrator, the plated film transparent cover plate and the frame are hermetically assembled. The invention integrates good points of traditional flat type solar energy photovoltaic cell panel and light collecting solar module, and avoids the shortcomings of them. The low concentration photovoltaic generating module in the invention has the advantages of low cost, reliable performance and convenient use, and sets the stage for the popularization of solar energy generating technology.

The invention discloses a multi-plasmid activation and vibration equal-thick flip-flow screen which comprises a screen frame, a flip-flow body, a vibration excitation device, a support frame, a T-shaped spring device and a polyurethane screen plate. The invention aims to provide a novel screening device which has the characteristics of multi-plasmid horizontal vibration (good for activating materials) equal-thick screening, and screen surface flip-flow. Only a horizontal shearing dynamic load is stressed on the floor, and a special vibration manner has a horizontal activation effect on the materials, so that the screening efficiency is high. Through the flip-flow screen surface, the materials are moved in a trampolining way, so that the hole blockage phenomenon is effectively solved. A motor is connected with a vibration plasmid with a small amplitude of vibration, so that an effect on protection the motor is achieved; and the vibration plasmid and a screen box are flexibly connected through multiple groups of springs, so that the stress on the overall structure is reasonable.

The invention discloses a rainfall detection device which comprises a housing, a water container, a siphon and a camera. The water container inside the housing is connected with the top of the housing through a funnel, and the lower portion of the water container is further connected with a pressure sensor. The pressure sensor and the camera are simultaneously connected to a data acquirer located inside the housing. An access hole is further formed in the side face of the housing. By the adoption of the structure, the rainfall change situation can be detected, the change situation of a surrounding geological disaster can be also monitored, and transfer is performed remotely to facilitate later reasonable taking of recourse measures according to the situations of the rainfall and the surrounding geological disaster. In addition, due to the fact that the access hole is further specially formed for the rainfall detection device, later local overhaul is facilitated, and the using cost is reduced.

The invention relates to a mixing device in the chemical industry, and in particular to a combined type layered fluid partition mixing device and its application. The fluid partition mixing device has a layered structure, is respectively provided inside with independent resident chambers for containing different fluids and a mixed chamber for containing the mixed fluid, each resident chamber is respectively communicated with the mixed chamber through a layered partition channel, and the layered partition channels with different fluids passing through are arranged independently and alternately from top to bottom, and different fluids in the resident chambers outflow respectively through the corresponding layered partition channels, and the outflow fluids are arranged alternately in layers, and mixed in the mixing chamber and outflow; and the fluid partition mixing device can be used for liquid-liquid mixing, liquid-gas mixing or gas-gas mixing. The mixing device of the invention is simple for processing and convenient for maintenance, and is mainly used for rapid mass transfer, heat transfer and polymerization, nitration, sulfonation, esterification, diazotization, coupling, acid-base neutralization and other various chemical reactions.

The invention relates to a compound type multifunctional transport case which is characterized by comprising a cover plate, side plates, a compound case bottom and an interlayer parcel shelf. Connecting buckle plates and a cover plate positioning groove are arranged on one side of the cover plate; rotating joint buckles are arranged on one sides of the side plates; clamping grooves are formed in the other sides of the side plates; the compound case bottom comprises a function layer, a transition layer, a buffer compound layer, corner joint pins, a dot matrix bearing layer and a grid leveling layer; a water collecting and filtering hole, flow guiding grooves and a function bin are arranged on the function layer; and the buffer compound layer is formed by an upper bearing plate, a dot matrixbuffer layer and a lower bearing plate from top to bottom. According to the compound type multifunctional transport case provided by the invention, the vibration of the bottom part of a case body canbe reduced, the shaking of transported objects in the case body can be offset, meanwhile, condensate water produced during the transport process can be quickly guided to flow and collected, and the aim of preserving and refrigerating the transported objects can be achieved through placing a refrigerant into the function bin; and the compound type multifunctional transport case is simple in structure and has wide applicability.

The present invention provides a radar antenna array expansion and contraction mechanism. The mechanism comprises an antenna back frame, a plurality of telescopic support arms, support rods, a plurality of oil cylinders and guiding devices. The telescopic support arms are respectively arranged on two sides of the antenna back frame; the adjacent telescopic support arms at the same side of the antenna back frame are sleeved; the telescopic support arms are arranged in pairs; the corresponding two telescopic support arms are connected by using the support rod; the radar antenna array expansion and contraction mechanism has a truss structure as a whole; the support rods are connected with the corresponding oil cylinders; the oil cylinder is configured to drive the expansion and contraction mechanism to expand or contract; the adjacent telescopic support arms are provided with the guiding device; and the guiding device is configured to guide the relative movement between the adjacent telescopic support arms. According to the radar antenna array expansion and contraction mechanism provided by the present invention, by using a truss structure of "two rows of multi-stage telescopic support arms+support rods+multi-stage oil cylinders", while ensuring the overall rigidity, the problems of the number of sub-arrays and the total size of the antennas restricted by a turnover mechanism aresolved to some extent, and the automatic erection of large-scale radar antennas are realized.

The invention discloses a multi-functional carbon fiber anti-fog screen window, which comprises two grid layers and an anti-fog filter layer, frames are provided on the edges of the two grid layers, magnetic suction strips are provided on the frames, and two grid layers A whole body with gaps is combined by magnetic suction strips, and an anti-fog filter layer is provided in the gap, and the anti-fog filter layer is a louver, wherein the louver includes several louver strips, and the louver strips are composed of multiple layers of superimposed adsorption filter layers constitute. The invention realizes the dual-mode adjustment of "ventilation, light transmission, and haze filtering" of the carbon fiber anti-fog screen window by controlling the opening and closing rotation of the shutter. The screen window can maximize the adsorption and filtration of droplets and dust particles in the haze, effectively ensuring indoor air quality, and at the same time, it can adjust the ventilation mode according to different air conditions to achieve light transmission in a good weather environment.

The invention relates to a mixed steel and wood floor for railway flatcars, which comprises four rows of side weights, wherein the four rows of side weights are arranged in parallel at intervals; the two ends of the four rows of side weights are respectively fixedly connected with a steel floor, a central steel floor is arranged between the middle two rows of side weights, a plurality of side steel floors are arranged at intervals between the two rows of side weights at each side of each central steel floor, each side steel floor is perpendicular to each side weight, and a wood floor is arranged between every two adjacent side steel floors; the side weights, the steel floors, the central steel floors and the side steel floors are formed into a parallel and level surface, and the upper plane of the wood floor is higher than the parallel and level surface; and the side weights, the steel floors, the side steel floors and the central steel floors are all arranged on the upper surface of a chassis of a flatcar. The mixed steel and wood floor provided by the invention is suitable for railway flatcars or shared flatcars to be used as the floor in contact with goods.

The invention relates to an emergency repair device for railway signal equipment, which relates to the technical field of railway facilities and includes a U-shaped frame, a sleeve, a work block, a vertical rod, a sliding sleeve, a second electric push rod, an articulated arm, a sliding rod and a V-shaped plate , the beneficial technical effect is that the present invention can erect the position where the cable needs to be repaired, so that the damaged part of the cable is protruded and placed, thereby facilitating local repair. A sleeve is provided at both ends of the U-shaped frame, and the work-shaped block is arranged in the middle of the U-shaped frame. The work-shaped block is fixedly connected to the vertical bar, and the sliding sleeve is movably connected to the vertical bar. The telescopic end of the push rod, the second electric push rod is fixedly connected to the I-shaped block, the two ends of the articulated arm are respectively rotated to connect the sliding sleeve and one end of the sliding rod, the middle part of the sliding rod is slidably connected to the I-shaped block, and the V-shaped plate Fixedly connected to the other end of the slide bar.

The invention relates to the technical field of mask preparation devices, in particular to an ear loop grabbing and welding device for a mask machine. The ear loop grabbing and welding device for themask machine is characterized by comprising a bearing plate, a routing mechanism, a cam lifting mechanism, an ear loop grabbing and transferring mechanism, an ear loop welding mechanism and a mask tablet pressing mechanism. According to the ear loop grabbing and welding device for the mask machine provided by the invention, the lifting and lowering distances of the cam lifting mechanism are controlled easily, the lifting and lowering efficiency is high, and the stability is good; the ear loop grabbing and transferring mechanism is simple in structure arrangement and high in operation accuracy;and the ear loop welding mechanism and the mask tablet pressing mechanism are matched, so that mask tablets keep flat before ear loops are welded, the position accuracy and the welding success rate of ear loop welding are greatly improved, the running speed is greatly improved, the yield is increased, and the noise is greatly reduced.

The invention discloses a multifunctional environment-friendly guide structure. The structure comprises an inner layer tube body and an outer layer tube body, and the inner layer tube body is coaxially arranged in the cavity of the outer layer tube body. The outer tube body and the inner tube body are of interlayer structures, and thermal insulation cotton is filled in the cavity of the interlayer; the inner wall of the inner layer tube body is coated with an antibacterial adsorption layer; a flame-retardant layer coats the outer wall of the outer-layer tube body, and an elastic protrusion isarranged at the start end of the inner layer tube body; a groove which is matched with the elastic protrusion is formed in the starting end of the outer tube body; the side wall of the elastic protrusion is provided with a sub-protrusion, and the groove body comprises an outer groove body close to the outside and an inner groove body close to the interior; the width of the outer groove body is larger than the width of the inner groove body; and a first spring is arranged on the inner bottom wall of the inner groove body, and a second spring is arranged on the first inner side wall of the innergroove body; and a baffle is arranged on the first inner side wall of the inner groove body, and the baffle and the sub-protrusions are both magnetic bodies. The structure has the advantages of beinggood in heat preservation effect, detachable, and capable of sterilizing and inflaming retarding.

The invention relates to a composite multifunctional box bottom structure. The composite multifunctional box bottom structure is characterized in that the box bottom comprises a function layer, a transition layer, a buffering composite layer, corner connecting columns, a lattice pressure bearing layer and a grid leveling layer. The function layer is provided with a water collecting filter hole, aflow guiding ditch and a function bin. The transition layer and the buffering composite layer are provided with a bolt hole and corner connecting holes. The buffering composite layer is composed of anupper load bearing plate, a lattice buffering layer and a lower load bearing plate from top to bottom. According to the composite multifunctional box bottom structure, vibration of the bottom of thebox can be eliminated and reduced, swinging of transportation objects in the box can be offset, and the effect of both-way vibration reduction is achieved. Meanwhile, condensate water generated in thetransportation process can be rapidly subjected to flow guiding and collecting, a refrigerant can be placed in the function bin, and the purposes of transportation object fresh keeping and cold storage are achieved. The structure is simple, cyclic utilization is facilitated, and wide applicability is achieved.

The invention relates to a one-key dropping-type mine vehicle device. The one-key dropping-type mine vehicle device comprises a mine vehicle main body device chairlift rod (1), an anti-swinging device (4), a chairlift seat and foot rest lever (5), a dropping control switch (9) and a spring (10), wherein the chairlift seat and foot rest lever (5) penetrates through the anti-swinging device (4), so that a connection hole (3) is opposite to a connection hole (6); then a connection rod (7) on the dropping control switch (9) penetrates through the connection holes (3) and (6) to connect the mine vehicle main body device chairlift rod (1), the anti-swinging device (4) and the chairlift and foot rest lever (5)into a whole body, junctions (2) and (8) are fixed by virtue of screws, and finally the dropping control switch (9) and the mine vehicle main body device chairlift rod (1) are fixed by utilizing a screw to penetrate through the spring; when in normal operation, the spring (10) presses the dropping control switch (9), so that the mine vehicle main body device chairlift rod (1), the anti-swinging device (4) and the chairlift seat and foot rest lever (5) are connected into the whole body; and when people get off a mine vehicle in emergency, the dropping control switch (9) is pressed, so that the connection holes (3) and (6) get out of the control of the connection rod (7), the chairlift seat and foot rest lever (5) is separated from the mine vehicle main body device chairlift rod (1), and people can get off the vehicle safely.

The invention relates to efficient leveling latex paint and a preparation method thereof. The latex paint comprises the following raw material components in parts by weight: 10-60 parts of an organosilicone modified acrylic emulsion, 0.1-5 parts of rheological agents, 0.1-0.6 part of dispersing agents, 0.1-0.6 part of wetting agents, 2-10 parts of film formation additives, 0.1-0.5 part of defoaming agents, 30-50 parts of pigments and fillers, and 1-60 parts of water. The latex paint has excellent leveling property and solves the problems of numerous roller lines, poor leveling property and non-uniform gloss of roller coating construction of the existing latex paint product; through the adoption of the roller coating construction, the excellent leveling effect of the paint film can be ensured; consumers can directly carry out DIY construction without dependence on the coating level of constructors; the leveling effect of the paint film can be ensured; meanwhile, the coating amount is greater than two times of that of the spraying construction; the paint loss is reduced; and the later local maintenance is extremely convenient.

The invention relates to a compound type multifunctional transport case which is characterized by comprising a cover plate, side plates, a compound case bottom and an interlayer parcel shelf. Connecting buckle plates and a cover plate positioning groove are arranged on one side of the cover plate; rotating joint buckles are arranged on one sides of the side plates; clamping grooves are formed in the other sides of the side plates; the compound case bottom comprises a function layer, a transition layer, a buffer compound layer, corner joint pins, a dot matrix bearing layer and a grid leveling layer; a water collecting and filtering hole, flow guiding grooves and a function bin are arranged on the function layer; and the buffer compound layer is formed by an upper bearing plate, a dot matrixbuffer layer and a lower bearing plate from top to bottom. According to the compound type multifunctional transport case provided by the invention, the vibration of the bottom part of a case body canbe reduced, the shaking of transported objects in the case body can be offset, meanwhile, condensate water produced during the transport process can be quickly guided to flow and collected, and the aim of preserving and refrigerating the transported objects can be achieved through placing a refrigerant into the function bin; and the compound type multifunctional transport case is simple in structure and has wide applicability.