168results about How to "Meet the installation" patented technology

The utility model relates to a cold-formed thin-walled steel fabricated structural system, and belongs to the technical field of structural engineering. Comprising combined joints, module main beams, module columns and module secondary beams. Column sleeves are arranged at the upper end and the lower end of the combined joint, a center joint is arranged between the column sleeves, horizontal partition plates are welded between the column sleeves and the center joint, a vertical end plate is welded to each side of the outer surface of the center joint, materials such as concrete can be poured into columns, and the bearing capacity and integrity of the combined joint are improved. The connecting sleeve has the beneficial effects and advantages that the connecting sleeve is small in size, light in weight and convenient to transport and hoist, the machining time is greatly shortened, the machining quality is guaranteed, modular design, factory production and specialized installation are integrally achieved through standardized modular production of components and the connecting sleeve, field assembly is simple and efficient, and the production efficiency is improved. The purposes of reducing labor, shortening the construction period and saving cost are achieved, and industrialization development of the fabricated building is promoted.

The present invention relates to a temporary support frame for installing an assembled lattice steel structure and a method of using the frame, including a base section, a standard section, an adjustment section inner section, an adjustment section outer section, an adjustment top support, and a jack for unloading; the base section includes a base section column limb, a base section tie bar, and a base section cross beam; the standard section includes a standard section column limb, a standard section tie bar, and a standard section cross beam; the adjustment section inner section includes an adjustment section inner section column limb, an adjustment section inner section tie bar, and an adjustment section inner section cross beam. Through the present invention, the deficiencies of the prior art and devices are overcome, construction space is saved, the erection period is short, and the reuse rate is high; the lattice-type assembly section is light in weight, high in bearing capacity, and convenient to hoist; each assembly section can be flexibly assembled according to actual needs, and is easy to install; through multiple height adjustment devices, the installation elevation of the steel structure is ensured, and the installation of complex steel structures with variable elevations can be met, and the unloading operation after the steel structure is installed is convenient.

The invention discloses a high-load continuum mechanical arm structure which comprises a plurality of mechanical arm disc units, and the adjacent mechanical arm disc units are rotationally connected. The mechanical arm connecting end disc unit is connected with the mechanical arm disc unit at the tail end, and the mechanical arm connecting end disc unit is connected with a mechanical arm; the mechanical arm disc unit is of a split structure, discs of the mechanical arm disc unit are connected through a sleeve to be in a separated state, and a steel wire rope is arranged in the sleeve in a penetrating mode. An inertia measurement unit is integrated in the mechanical arm disc unit through an inertia measurement unit fixing piece. The continuum mechanical arm structure has shape adaptability and high load capacity, the control strategy of the continuum mechanical arm structure is optimized in combination with the inertial measurement unit, and installation of the inertial measurement unit is met.

An installation structure and a piezoelectric jacquard device with the installation structure, the piezoelectric jacquard device comprises at least one installation structure, a plurality of first piezoelectric jacquard elements and a plurality of second piezoelectric jacquard elements, the first piezoelectric jacquard elements are provided with at least one first yarn guide needle, and the second piezoelectric jacquard elements are provided with at least one second yarn guide needle. The first piezoelectric jacquard element is provided with at least one first yarn guide needle, the second piezoelectric jacquard element is provided with at least one second yarn guide needle, the first yarn guide needles and the second yarn guide needles are arranged in a staggered mode, when the first yarn guide needles are in odd-number needle columns, the second yarn guide needles are in even-number needle columns, and when the first yarn guide needles are in even-number needle columns, the second yarn guide needles are in odd-number needle columns. According to the piezoelectric jacquard device, the first yarn guide needles are arranged on the upper surface of the installation structure, the second yarn guide needles are arranged on the lower surface of the installation structure, and the first yarn guide needles and the second yarn guide needles are arranged in a staggered mode, so that after a user installs the piezoelectric jacquard device, the first yarn guide needles and the second yarn guide needles are mutually staggered. And secondary adjustment for odd-numbered needle columns or even-numbered needle columns is not needed.

The utility model discloses a machine tool oil groove plate structure which comprises an oil groove plate, a T-shaped groove is transversely formed in the oil groove plate in a penetrating mode, a fixing assembly is arranged in the T-shaped groove, a sliding block is arranged at the bottom of the fixing assembly, and drainage holes are evenly formed in the oil groove plate from the front face to the back face in a penetrating mode. According to the oil groove plate structure of the machine tool, cutting oil carrying machining chippings is discharged from the water outlet, the T-shaped groove is prevented from being blocked, and therefore the trouble of follow-up cleaning of the T-shaped groove is reduced.

The utility model relates to the technical field of PCBs, and discloses a hexagonal PCB, which comprises a hexagonal PCB substrate. The PCB mounting holes are formed in each corner of the hexagonal PCB substrate at intervals; the electrical connection groove group corresponds to the PCB mounting hole and is formed in the side edge of the hexagonal PCB substrate; and the electrical connection hole group corresponds to any corner of the hexagonal PCB substrate and is arranged on the hexagonal PCB substrate. The hexagonal PCB provided by the utility model is beneficial to reduction of the overall volume of an electronic product so as to promote miniaturization and refined development of the electronic product.

The utility model discloses a sinking plate type HDMI male plug. The sinking plate type HDMI male plug comprises an insulating body, a terminal module and a shielding shell, the insulation body is provided with a butt joint cavity, a plugging cavity and a terminal groove. The terminal module comprises a rubber core, an upper row terminal group and a lower row terminal group, the upper row terminal group and the lower row terminal group are embedded in the rubber core, and an upper HDMI terminal of the upper row terminal group comprises a first elastic contact section, a first horizontal section, a first inclined section extending obliquely downwards and backwards, a second horizontal section, a second inclined section extending obliquely upwards and backwards, a third horizontal section and a first welding section; a lower HDMI terminal of the lower row terminal group comprises a second elastic contact section, a fourth horizontal section, a third inclined section extending obliquely upwards and backwards, a fifth horizontal section, a fourth inclined section extending obliquely upwards and backwards, a sixth horizontal section and a second welding section; the lower surfaces of the first welding section and the second welding section are both higher than the upper wall face of the butt joint cavity. A sufficient installation space is provided for the installation of the PCB, and the installation of PCBs with different thicknesses and sizes is satisfied.

The utility model belongs to the technical field of aviation equipment, and discloses a portable oxygen bottle mounting structure, which comprises an oxygen bottle connecting upper piece and an oxygen bottle connecting lower piece, the oxygen bottle connecting upper piece and the oxygen bottle connecting lower piece are arranged on the inner side wall of a lifesaving article cabinet, and the oxygen bottle connecting upper piece is arranged at one end close to the outside of the lifesaving article cabinet. The oxygen bottle connecting lower piece is arranged at one end in the lifesaving article cabinet; the oxygen bottle connecting upper piece is of a quarter circle structure and matched with the upper arc portion of the oxygen bottle, the oxygen bottle connecting lower piece is of a semicircular structure and matched with the lower portion of the oxygen bottle, a hoop assembly is further arranged outside the oxygen bottle connecting upper piece and used for fixing the outer side of the oxygen bottle, and the installation position of the oxygen bottle connecting upper piece is higher than that of the oxygen bottle connecting lower piece. The opening orientation and the installation distance of the oxygen bottle connecting upper piece and the oxygen bottle connecting lower piece are matched with the appearance of the oxygen bottle. The structure is suitable for mounting the oxygen cylinder in the environment with narrow space and irregular and inconsistent layout, is simple in structural form, is convenient to mount and dismount, and can meet the requirement of mounting the oxygen cylinder at various parts of an airplane.

This utility model discloses a special mounting bracket for an electromagnetic diaphragm metering pump, including a vertical column angle steel, a supporting angle steel, a first frame, and a second frame. The vertical column angle steel is vertically arranged, and the first and second frames are respectively fixedly connected to the vertical column angle steel. The first frame is located above the second frame. The supporting angle steel is parallel to the vertical column angle steel, and the first and second frames are respectively fixedly connected to the supporting angle steel. The first and second frames are respectively provided with a first mounting angle steel and a second mounting angle steel. The first and second mounting angle steels are respectively provided with a first aluminum alloy mounting plate and a second aluminum alloy mounting plate. The projection of the first aluminum alloy mounting plate on the horizontal projection plane is staggered from the projection of the second aluminum alloy mounting plate on the horizontal projection plane. This utility model achieves the advantage of convenient and rapid movement of the electromagnetic diaphragm metering pump.

The utility model discloses a kind of aluminium alloy louver and glass curtain wall conversion node, including curtain wall system and be located in the louver of curtain wall system, curtain wall system includes vertical keel, cross keel and hollow glass, aluminium alloy base is shaped on vertical keel and cross keel, hollow glass is connected with vertical keel and cross keel by aluminium alloy pressing plate;The periphery of louver is shaped with window frame, the inner side of window frame and corresponding vertical keel or cross keel is attached, outer side and aluminium alloy base are attached, window frame is connected with aluminium alloy base by connecting piece, aluminium alloy pressing plate is respectively pressed on the outer side of hollow glass and window frame, the periphery of louver is shaped with inner frame and outer frame in the application, cooperate and connect with the keel and aluminium alloy base of curtain wall system, the installation of louver is realized, and the outer surface of louver and the outer surface of hollow glass are flush, can perfectly link the installation of aluminium alloy pressing plate, installation is convenient, appearance is more beautiful.

The utility model belongs to the technical field of teaching aids, and particularly relates to an industrial internet practical training platform which comprises a practical training counter, and a back vertical plate is arranged on the rear edge of the platform surface of the practical training counter. A plurality of mounting holes are formed in the back vertical plate; accessories for field training are fixed on the front side of the back vertical plate, the table top of the practical training counter or in the practical training counter; the PLC arranged on the front side of the back vertical plate and a part of accessories are connected and fixed through screws penetrating through the mounting holes. According to the practical training counter in the scheme, due to the fact that the multiple installation holes are formed in the back vertical plate, installation of various accessories for field training can be met, a user can freely match the accessories according to items to be trained, different systems such as a sorting system, an electrical control system, a traffic light system and a constant temperature control system are formed, and the practical training counter is convenient to use. Therefore, the requirement of field teaching of the plc automatic control technology is met.

The invention relates to an inverted pushing installation method for a large converter. A lower section of a converter shell, a middle section of the converter shell and a backing ring are divided into combined modules, an upper section of the converter shell is divided into a first single module, and a tilting device is divided into a second single module; the assembled combined module is hoisted to a jacking adjusting device composed of a hydraulic portal frame and a sliding rail, the first single module is arranged on a hydraulic module vehicle, and the combined module and the first single module are assembled together through cooperation of the jacking adjusting device and the hydraulic module vehicle to form a converter body; the converter main body is downwards transported to a converter mounting position by the hydraulic module vehicle and is mounted in place; and the second single module is integrally lifted and mounted in place through the hydraulic gantry lifting device. Compared with an existing installation method, the method has the advantages of being high in installation efficiency, low in construction cost, high in installation precision, high in safety and reliability, high in automation degree, high in construction equipment universality and the like.

The application relates to the technical field of physiological and pharmacological experimental devices, and discloses a muscle spindle discharge activity experimental recording device based on a nerve-muscle specimen, which comprises an experimental box, a tension sensor is fixedly connected to the left side of the experimental box, an electric sliding rail is fixedly connected to the right side of the experimental box, a wire clamp is arranged in the electric sliding rail, a movable adjusting mechanism is arranged at the back of the experimental box, an auxiliary placing mechanism is arranged in the experimental box, an adjusting and mounting mechanism is arranged at the bottom of the experimental box, in the using process, the sliding plate is moved, the spring is matched, the position of the connecting frame is adjusted, the left and right positions of the recording electrode clamp are adjusted, the first threaded rod is rotated, the first limiting rod is matched, the height and the front and back positions of the recording electrode clamp are adjusted, the motor works, the height of the silica gel support table is adjusted, the worm is rotated, the position of the mounting frame is adjusted, and the mounting between different mounting tables and mounting equipment is satisfied.

The utility model provides a suspension type ultraviolet lamp which comprises an ultraviolet lamp body, the ultraviolet lamp body comprises a box body, a fixing groove is formed in the top of the box body, a fixing block is movably installed in the fixing groove, a fixing column is rotatably installed on the fixing block, a suspension ring is fixed to one end of the fixing column, and a fixing groove is formed in the top of the box body. Open holes are formed in the two sides of the box body, lamp tubes are movably installed in the open holes, a supporting mechanism is fixed to the inner wall of the fixing groove, and one end of the supporting mechanism is fixed to the fixing block. According to the suspension type ultraviolet lamp, when the lamp tube is not used, the lamp tube is shrunk in the box body for shielding protection, when the box body is collided, the box body shifts and shakes on the fixing blocks, and the shaking provides a moving space for the box body, so that the box body is prevented from being damaged due to collision; and in the later period, the position of the hanging ring is adjusted in the fixing groove according to the position of the fixing point, the hanging ring is adjusted up and down through the threaded column, and installation in different spaces is met.

The embodiment of the invention relates to the technical field of airborne electronic equipment, and discloses an air-cooled heat dissipation airborne recording equipment case supporting multidirectional module plugging, which comprises a case body structure, a circuit module, a quick-release memory disk, a quick-release memory card, a fan, an electrical socket component, a flexible mother board, a front panel, a rear panel, a left side plate, an upper cover plate and a quick-release opening cover, the case is divided into a module mounting cavity and a fan mounting cavity, the circuit module, the quick-release memory disk and the quick-release memory card are respectively mounted in the module mounting cavity, and the fan is mounted in the fan mounting cavity; the flexible mother board is used as a bottom panel of the case and is respectively connected with the case body structure, the front panel, the rear panel, the left side plate and the quick-release opening cover, and supports the installation of modules and electrical socket components which are plugged in different directions; and the fan is used for being started when the airborne recording equipment works to discharge heat in the case. The case can meet the installation of storage modules and storage cards of different sizes and types, and is convenient to use and maintain.

The utility model discloses a lead frame device, and relates to the technical field of semiconductor chip packaging. Comprising a first-class mounting plate and a third-class mounting plate, and the first-class mounting plate and the third-class mounting plate are mounted at the two ends respectively. A first-class mounting plate and a third-class mounting plate are arranged at the two ends of the mounting plate respectively, a plurality of second-class mounting plates are arranged between the first-class mounting plate and the third-class mounting plate, a plurality of evenly-distributed inserting grooves are formed in the sides, facing the third-class mounting plate, of the first-class mounting plate and the second-class mounting plates, and magnets are mounted in the inserting grooves. A plurality of evenly-distributed inserting columns are fixedly connected to the sides, facing the first-class installation plate, of the third-class installation plate and the second-class installation plate, the first-class installation plate, the second-class installation plate and the third-class installation plate are attracted and fixed through the magnets and the inserting columns, and therefore the length of the installation plates can be adjusted, and the requirement for installation of leads of different lengths is met.

The utility model relates to the technical field of solar power generation equipment, and discloses a photovoltaic panel support which comprises a photovoltaic panel, bottom beams, supporting rods and connecting pieces, the left side and the right side of the photovoltaic panel are respectively provided with two sets of bottom beams, two sets of supporting rods and two sets of connecting pieces, a first connecting piece is arranged between the supporting rods, and a second connecting piece is arranged between the supporting rods. A second connecting piece is arranged between the connecting pieces, a photovoltaic panel is placed between the first connecting piece and the second connecting piece, the telescopic rod is pulled to slide to be adjusted to the side edge position of the photovoltaic panel by adjusting the tightness degree of the bolt, the telescopic structure can adjust the photovoltaic panels with different widths, and when the photovoltaic panels with different widths exist, the photovoltaic panels with different widths can be conveniently and rapidly adjusted. The position is adjusted by pulling the telescopic rod, then the bottom end rubber mat is in contact with the photovoltaic panel by rotating the screw rod to fix the photovoltaic panel, and when photovoltaic panels with different thicknesses are placed, the photovoltaic panels are fixed by rotating the screw rod in height, so that the photovoltaic panels with different widths and thicknesses can be conveniently placed.

The invention discloses a double-screw-lug type NTC (Negative Temperature Coefficient) temperature acquisition sensor assembly. The double-screw-lug type NTC temperature acquisition sensor assembly is reinforced on the surfaces of two power device radiators on a tested PWR (Pulse Width Resonance) power board by using screws in a 1U semi-bipolar power supply complete machine; the double-screw lug type NTC temperature acquisition sensor assembly comprises a screw lug terminal, and a thermistor is placed in a protection buckle of the screw lug terminal and is encapsulated by flexible epoxy resin; two pins of the thermistor are welded and led out through leads, and when the leads are bent, the bending radius of the leads is larger than 2 mm. The structure of the sensor is convenient to install on the radiator, and the temperature of a test surface on the sensitive radiator is synchronously monitored in real time; machining is easy to achieve, a good machining process method is achieved, the assembly matching relation size is reasonable, the technical requirement of the whole machine is met, and meanwhile the overall quality warehousing qualification rate of products is increased.

The invention belongs to the technical field of steel bar shed installation, and particularly provides an assembly type temporary steel bar shed which comprises a supporting frame, flexible protection cloth and a connecting mechanism, the flexible protection cloth is movably connected with the supporting frame through the connecting mechanism, and the connecting mechanism comprises a fixed plate, a movable plate and a connecting spring. The two fixed plates are installed on the edge of the top face of the supporting frame, the two movable plates are slidably connected with the two fixed plates through adjusting assemblies correspondingly, clamping space is formed between the movable plates and the fixed plates, and one end of the connecting spring is connected with the bottom end of the side face of the supporting frame through a support. The two ends of the flexible protective cloth penetrate through the two clamping spaces correspondingly and are fixedly connected with the other ends of the connecting springs. Through the arrangement of the two fixed plates, the two movable plates and the two sets of connecting springs, assembly and disassembly of the flexible protective cloth can be conveniently and rapidly achieved, the flexible protective cloth cannot be damaged, meanwhile, the buffering force can be increased through the elastic force of the connecting springs, and the service life of the flexible protective cloth is prolonged.

The utility model discloses a fence device for civil construction, and particularly relates to the technical field of construction fences, which comprises a mounting rod, a baffle is mounted on one side of the mounting rod, a plurality of fixing pipes are mounted at the top and the bottom of the outer wall of the mounting rod, and a plurality of supporting pipes are obliquely arranged on one side, far away from the baffle, of the outer wall of the mounting rod. A socketed pipe is arranged on one side, close to the fixed pipe, of the baffle; the end, close to the mounting rod, of the fixing pipe is rotationally connected with a sleeving ring, and the end, away from the mounting rod, of the fixing pipe is internally and slidably connected with an extension rod; supporting rods are slidably connected into the ends, away from the mounting rods, of the supporting pipes, rotating rings are rotatably connected to the ends, close to the mounting rods, of the supporting pipes, and fixing rings are rotatably connected to the ends, away from the supporting pipes, of the supporting rods. The utility model has the advantages that the fixing pipe can be conveniently adjusted to be connected with the baffles with different inclination angles, and the supporting pipe can be conveniently adjusted to be installed and fixed at different inclination angles.

The utility model relates to the technical field of sewing equipment, in particular to a push plate mechanism of a sewing machine. A push plate used on a sewing machine is directly installed on a machine bottom plate through a dovetail groove in the push plate, the dovetail groove needs to be formed in the bottom plate to be matched with the bottom plate, the needed matching precision is high, the machining difficulty is large, and the cost is high. The utility model provides a push plate mechanism of a sewing machine. The push plate mechanism comprises a bottom plate and a push plate assembly, the push plate assembly comprises a push plate support, and a buckle is arranged in the middle of the transverse edge of the push plate support so that the push plate support can be buckled with the push plate. Guide grooves are formed in the inner walls of the two longitudinal edges, kidney-shaped holes are formed in the inner sides of the longitudinal edges respectively, the bottom plate is connected with the push plate support through the kidney-shaped holes and screws, one end of the push plate spring is fixedly arranged on the push plate support on the inner sides of the kidney-shaped holes, and the other end of the push plate spring is matched with a clamping groove in the push plate. Supports are arranged on the two sides of the lower surface of the push plate respectively, clamping grooves are formed in the supports at intervals, one ends of the supports protrude, and bosses matched with the guide grooves are arranged on the outer sides of the protrusions.

The invention relates to the technical field of flat polishing machine grinding head structures, in particular to a flat polishing machine swing grinding head structure which comprises a plate frame, a guide rail is connected to the top end of the plate frame, a grinding head assembly is arranged at the bottom end of the plate frame and comprises a swing accessory, and a rotating shaft is rotationally installed on the side of the swing accessory. The shaft barrel drives the frame shaft to rotate to control the grinding wheel to rotate, when the grinding wheel rotates, the rotating shaft can be driven to be between the left retaining ring and the right retaining ring, at the moment, the V-shaped return rail groove of the rotating shaft can be matched with the guide block to control the rotating shaft to rotate and move left and right between the left retaining ring and the right retaining ring, and then the grinding wheel is controlled to grind parts during swinging; at the moment, in the pushing process of the part, the grinding wheel can grind the part in the non-stop and non-debugging state, the probability that lines are formed in the horizontal moving direction of the polished part between one polishing track and another polishing track in the traditional grinding process is effectively reduced, and the polishing and grinding effect is guaranteed.

The utility model relates to the technical field of hydroelectric generation, and discloses an adjusting and fixing device of a hydropower station generator, which comprises a mounting seat, a first mounting plate fixedly mounted at the front end of the top of the mounting seat, a second mounting plate fixedly mounted at the rear end of the top of the mounting seat, and a positioning, adjusting and fixing mechanism arranged on the outer wall of the second mounting plate. The positioning adjusting and fixing mechanism comprises a first servo motor, the front face of the first servo motor is fixedly connected with the left side of the back face of the first mounting plate, the output end of the first servo motor movably penetrates through the front face of the first mounting plate, and a first lead screw is fixedly mounted at the output end of the first servo motor. The positioning, adjusting and fixing mechanism can quickly position, clamp and fix different models of generators, so that the installation of the different models of generators can be met, the situation that the different models of generators cannot be normally used during fixed installation is avoided, and the use effect of the hydropower station generator is improved.

The utility model relates to important article storage cabinet technical field, especially important article storage cabinet, including cabinet, be equipped with display screen, camera, fingerprint appearance and external RFID card reader on the cabinet, still be equipped with a plurality of storage bin on the cabinet, every storage bin all is equipped with the built -in RFID module that is electric connection with external RFID card reader, every storage bin all is equipped with the door, connecting component and electric control lock, the door is rotatoryly connected with the storage bin through connecting component, the electric control lock is used for locking or unlocking the door, and the electric control lock is installed in the side of storage bin through the connecting piece, the cabinet is still fixed with the support in, be equipped with a plurality of mounting plate for the electric control lock installation on the support, the mounting plate is arranged on the support along the position distribution of a plurality of storage bin, the utility model can firmly install electric control lock, guarantee the smooth unlocking of electric control lock, still prevent electric control lock from being dismantled more, and the safety performance is better.

The invention relates to the technical field of gas detection, and particularly discloses a mounting structure of a nitric oxide sensor and a detector, the nitric oxide sensor comprises a body, a plug arranged on the upper surface of the body and a protruding part, the upper surface of the protruding part is provided with a sensing area, the mounting structure comprises a base, a mounting plate, a mounting plate and a mounting plate, the containing cavity downwards penetrates through the base, the body is installed in the containing cavity, the protruding part is installed in the detection cavity, a sliding groove is formed in the upper portion of the base, and an opening is formed in the bottom of the sliding groove and communicated with the containing cavity; the sliding plate is installed in the sliding groove in a sliding mode; the first socket is mounted on the sliding plate, and the bottom of the first socket downwards extends out of the sliding plate; the second socket is installed on the sliding plate, the bottom of the second socket extends downwards out of the sliding plate, and the second socket and the first socket are arranged in the sliding direction of the sliding plate. According to the nitric oxide sensor mounting structure and the detector, nitric oxide sensors with different plugs can be conveniently mounted, and the structure is compact.

This utility model discloses a short-flow prevention cover for a multi-layer vortex grit chamber, comprising a stacked disc assembly. The top of the stacked disc assembly is provided with a short-flow prevention cover. The bottom outer edge of the short-flow prevention cover is provided with a gap between it and the upper wall of the first stacked disc of the stacked disc assembly to ensure smooth water discharge from the first stacked disc. The short-flow prevention cover is suspended on a fixed support above it by an adjustable hanger. The fixed support is connected to a fixed support of the stacked disc assembly, which is fixed to the side wall of the concrete tank by brackets. By setting the short-flow prevention cover on the top of the stacked disc assembly, the gap between the bottom edge of the short-flow prevention cover and the upper surface of the first stacked disc in the inner stacked disc assembly is adjusted to prevent the influent from flowing directly into the clear water zone, thereby separating the inner turbid water zone from the outer clear water zone and ensuring grit removal efficiency.

The utility model discloses an automobile air conditioner air pipe with a noise reduction structure. The automobile air conditioner air pipe comprises a flow guide shell, a noise reduction layer and a vibration reduction frame. Spiral flow guide ribs are arranged on the inner wall of the flow guide shell, the noise reduction layer is made of porous sound absorption materials and covers rib grooves, and the vibration reduction frame disperses vibration energy through elastic supporting strips. The flange plate and the sealing ring ensure airflow tightness, and the overhaul window is convenient to maintain. The thickness of the noise reduction layer is gradually changed, noise absorption and airflow smoothness are considered, and the vibration absorption effect is optimized through the elastic supporting strips. By means of the modular design, airflow noise and vibration transmission are effectively reduced, the mute performance of the air conditioning system is improved, and the air conditioning system is suitable for upgrading and reconstruction of various vehicle types and has high practicability and economical efficiency.

The invention relates to the technical field of electric power infrastructures, in particular to a light thin-wall assembly type cable trench, and solves the problems that an existing assembly type cable trench is prefabricated and assembled in sections during application, the cable trench is inconvenient to transport and assemble by breaking up the whole into parts, and the cable trench wall thickness is too large during assembly, so that the dead weight is large, and the cable trench is inconvenient to transport. And the splicing part of the cable trench and the interior of the trench are inconvenient to seal. A light thin-wall assembly type cable trench comprises a thin-wall combined trench mechanism and a separation sealing cover mechanism, the upper end of the thin-wall combined trench mechanism is provided with the separation sealing cover mechanism, the thin-wall combined trench mechanism comprises a first combined trench, and one side of the first combined trench is provided with a second combined trench. According to the invention, through carrying out plate connection and segmented assembly on the cable trench, the transportation and assembly difficulty can be effectively reduced, meanwhile, the wall thickness is controlled, the production cost can be reduced, the assembly splicing part can be sealed, and the spreading of water seepage and accumulated water of the cable trench is avoided.