224results about How to "Installed and disassembled" patented technology

The invention provides equipment and a method for testing the emission amount of harmful gas in a tunnel, and relates to the technical field of tunnel construction. Comprising a sleeve, a gas parameter testing unit installed on the sleeve, a water tank communicated with the interior of the sleeve and a gassing module installed on the water tank, and the gassing module is connected with the gas parameter testing unit; one end of the sleeve can be dynamically sealed with the drill rod, and the other end of the sleeve is of an opening structure; the gassing module is used for separating out gas in water and conveying the gas to the gas parameter testing unit; and the gas parameter testing unit is used for detecting the concentration and flow velocity of harmful gas in the sleeve and the concentration of harmful gas separated out from water. A gas parameter testing unit is arranged to monitor the data change of gas gushing out of the drill hole in real time; the gassing module can separate out gas in water in real time and convey the gas to the gas parameter testing unit to measure the concentration of dissolvable gas, so that the calculation of the emission amount is more comprehensive and accurate.

The utility model relates to an assembly type damping composite infilled wall with an energy dissipation damping part maintenance device. The energy dissipation damping piece can be sealed, and fire prevention, corrosion prevention, water prevention, heat preservation and sound insulation can be achieved. The composite filled wallboards are installed in the structural frame and connected with the structural frame, the structural frame comprises frame columns and frame beams, and an energy dissipation damping part is connected between the upper composite filled wallboard and the lower composite filled wallboard. A slidable connecting device is installed on the outer side of the energy dissipation damping part and comprises a cover plate, a sliding groove and a sliding rail, the sliding rail is arranged on the inner side of the cover plate, and the sliding rail is embedded in the sliding groove in the inner side of the cover plate and fixedly connected with the embedded steel plate or the embedded steel bar on the lower portion of the upper composite filling wall plate. The slidable connecting device is convenient to mount and dismount, and convenience is provided for overhaul, maintenance and replacement of the energy dissipation damping part; and meanwhile, the fireproof, anti-corrosion, waterproof, heat-insulating and sound-insulating effects can be realized.

The utility model relates to the technical field of check valves, and discloses a check valve which comprises a mounting base, and a fixing mechanism is arranged on the mounting base. According to the pipeline connecting device, pipelines needing to be connected are placed in the containing holes in the fixing frame, the bottom end of the screw rod is made to move downwards by rotating the screw rod, and therefore the second fixing clamping block is driven to move downwards, the limiting sliding block is driven to move on the inner wall of the limiting groove, and the limiting purpose is achieved; the moving stability of a second fixing clamping block is guaranteed, a pipeline can be clamped and fixed under the clamping effect of the first fixing clamping block and the second fixing clamping block so that subsequent connection with a valve body can be facilitated, a hydraulic rod fixedly installed on the inner wall of a groove is started so that an inner rod of the hydraulic rod can push a lifting block to move, and therefore the pipeline can be stably fixed. And the lifting block drives the valve body to lift on the inner wall of the groove, so that the height of the valve body can be adjusted, and the valve body can be better connected with a pipeline.

The utility model relates to the technical field of granulation equipment, in particular to a detachable granulation template for a plastic extrusion granulator, which comprises an inner core, a middle ring is arranged on the outer edge of the inner core, an outer ring is arranged on the outer edge of the middle ring, and a plurality of granulation belts which are annularly distributed and connected end to end are arranged on one side of the middle ring; the mounting structure is arranged in the granulation belt, and the mounting structure is used for facilitating mounting and dismounting of the granulation belt; the granulation belt can be conveniently mounted and dismounted through arrangement of the mounting structure, the granulation belt can be quickly mounted and dismounted through mutual cooperation of the expansion part, the threaded rod and the threaded hole, and compared with existing structural arrangement, the granulation belt can be quickly mounted and dismounted when damaged, operation is easy and convenient, and the granulation belt can be quickly mounted and dismounted through cooperation of the expansion part, the threaded rod and the threaded hole. And meanwhile, under the mutual cooperation of a limiting block, a connecting strip, a spring, a mounting plate, a connecting plate and a limiting hole, the position of the threaded rod can be self-locked in the using process, and the threaded rod is prevented from falling off in the using process.

The utility model discloses a terrestrial magnetism acquisition device, and belongs to the field of instruments and meters. A shell of the geomagnetic acquisition device is of a cylindrical sleeve structure and comprises a top cover, a middle section and a bottom cover. The battery is arranged between the bottom cover and the middle section; the bracket is arranged above the battery and is positioned in the top cover; the PCB is arranged on the bracket and is connected with the battery; the geomagnetic sensor is arranged on the PCB and is used for collecting geomagnetic signals; the communication unit is arranged on the PCB and used for outputting geomagnetic signals. A cylindrical sleeve structure is adopted to improve the system protection level and facilitate mounting and dismounting; the low-power-consumption design ensures that the long-term outdoor working time is more than 10 years, and the maximum power consumption during working is only 2mA; the geomagnetic sensor collects magnetic field data in real time, the magnetic field data is processed by the communication unit and then output and uploaded to the cloud, efficient collection and transmission of the geomagnetic data are achieved, and the overall performance of the system is improved.

The utility model relates to the technical field of LED lamp beads, in particular to a lamp bead with a cleaning mechanism, which comprises a mounting plate, the top of the mounting plate is provided with a rotating groove, the bottom of the rotating groove is provided with a mounting groove, the inner wall of one side of the rotating groove is provided with a limiting groove, two sides of the mounting plate are fixedly connected with pins, and the pins are fixedly connected with the cleaning mechanism. The top of the mounting plate is fixedly connected with a light-emitting element, a cleaning structure is arranged in the mounting plate, and a protection structure is arranged at the top of the mounting plate. The cleaning structure is arranged to prevent dust from affecting the lighting efficiency, meanwhile, the dust does not need to be cleaned manually, use is convenient, the protection structure is arranged to facilitate mounting and dismounting of the protection cover, the sealing performance of the protection cover is improved, water vapor and dust are prevented from entering the lamp to a certain extent, and the service life of the lamp is prolonged. Water vapor and dust are prevented from entering to affect the light-emitting element, and the service life is prolonged.

The present invention discloses a chip conveyor rear shaft, including a support shaft and guide wheel assemblies respectively arranged at both ends of the support shaft, the guide wheel assembly including a guide wheel and a fixed seat, the fixed seat being installed on the chip conveyor housing, the guide wheel being arranged between the fixed seat and the support shaft, the inner end surface of the fixed seat being provided with a positioning boss for positioning the guide wheel, the outer end surface of the guide wheel being provided with a positioning groove engaged with the positioning boss, the guide wheel being hollow inside, the support shaft being provided with an installation window for connecting the support shaft with the guide wheel assembly, and the support shaft being connected to the fixed seat. The rear shaft assembly of the present invention adopts a segmented detachable structure, which has a simple structure, is easy to maintain, and has a low maintenance cost, and is not limited by space for installation and disassembly, and the guide wheel can be installed and disassembled conveniently and quickly in a limited installation space, and is easy to replace, thereby improving the disassembly efficiency of the chip conveyor rear shaft, thereby improving the production efficiency of the chip conveyor.

The utility model relates to the technical field of vehicle-mounted electric control cover plate die-casting, and discloses a new energy vehicle-mounted electric control cover plate die-casting device which comprises a die-casting device body, a baffle is fixedly connected to the left side of the top of the die-casting device body, a die-casting mechanism is arranged at the top of the die-casting device body, and a base is fixedly connected to the bottom of the die-casting device body. A collecting mechanism is arranged at the bottom of the die-casting device body, the die-casting mechanism comprises a die-casting assembly and a stirring assembly, the die-casting assembly is arranged at the top of the die-casting device body, and during use, through the arranged die-casting mechanism, when a vehicle-mounted electric control cover plate needs to be subjected to die-casting work, a first servo motor drives a first threaded rod to rotate; the hydraulic cylinder pushes the push plate, raw materials in the conveying pipe stably and accurately enter the first die, the right side of the second die makes close contact with the left side of the first die, and the sealing performance of the dies in the die casting process is guaranteed.

The utility model discloses a kind of three-dimensional groove equipment belts for suspended ceiling, technical scheme is a kind of three-dimensional groove equipment belts for suspended ceiling, including decorative plate, at least one group of mobile hangers;The mobile hanger bottom is provided with the inner recessed lamp slot, a group of the mobile hanger outer side is assembled with the decorative plate, a group of the mobile hanger inner side is assembled with the grating assembly connection, and the grating assembly lower plane is higher than the decorative plate bottom plane, a group of the mobile hanger top is connected with mobile hanger, with simple structure, assembly is convenient, suitable for narrow light band installation, high aesthetic property.

The utility model provides a kind of energy-saving efficient jacket hot water tank heating assembly, it is related to hot water tank heating assembly technical field, and it includes: main body mechanism and heating mechanism;The heating mechanism includes first heat preservation shell, one end of the first heat preservation shell is fixedly installed hinge, one end of the hinge is fixedly installed second heat preservation shell, and the first heat preservation shell and second heat preservation shell are clamped.Joint in the utility model, installation groove is set up in the outer surface wall of hot water tank body, heating pipe is arranged inside installation groove, then clamping groove is set up inside first heat preservation shell and second heat preservation shell, clamping groove is connected with heating pipe, heating pipe and heat preservation shell are conveniently installed and disassembled, when fault occurs, it is convenient to quickly overhaul, then first heat preservation shell, second heat preservation shell are fixedly connected by connecting bolt and connecting plate threaded connection in the outer surface wall of hot water tank body, and heating pipe is protected and insulated.

This application discloses a tool setting method and tool setting fixture for a vertical slotting machine, belonging to the technical field of tool setting devices. To address the problems of low tool setting efficiency and poor accuracy in existing vertical slotting machines, the tool setting fixture includes a central support plate. A triangular jaw is installed at the bottom of the central support plate. The tool setting fixture is installed at the inner hole of the workpiece to be processed via the triangular jaw. A support base for fixing a measuring device is installed on the front side of the central support plate. A tool setting sample block is detachably connected to the support base. The operator determines the tool setting position by cooperating with the measuring device and the tool setting sample block. This application is mainly used as a tool setting device for CNC vertical slotting machines.

The utility model discloses a motorcycle throttle valve model and a linkage structure thereof, and belongs to the technical field of throttle valves. The motorcycle throttle valve model and the linkage structure thereof comprise a throttle valve body, a driving assembly and two locking assemblies, the driving assembly is arranged outside the throttle valve body, the locking assemblies are arranged in the throttle valve body, the throttle valve body comprises a shell, two air inlet cavities are formed in the shell, and the two air inlet cavities are communicated with the driving assembly. Rotating shafts are arranged in the two air inlet cavities, long grooves are formed in the rotating shafts, valve plates are arranged in the long grooves, plugging blocks are arranged on one faces of the valve plates, through grooves are formed in the two sides of the outer portions of the plugging blocks, inserting grooves are formed in the top ends and the bottom ends of the interiors of the through grooves, the locking assembly comprises two locking seats, and one faces of the locking seats are fixedly connected with the inner walls of the long grooves. Square grooves are formed in the top face and the bottom face of the locking base, inserting blocks are arranged in the two square grooves, and the opposite ends of the two inserting blocks are clamped with the two inserting grooves respectively.

The utility model discloses a warm air box used in a mine, and relates to the technical field of warm air boxes, the warm air box comprises a base, the upper surface of the base is provided with a warm air box, the inner wall of the warm air box is provided with a sliding groove, the inner side of the sliding groove is provided with a rock wool board, a pressing plate is arranged above the warm air box, a top cover is arranged above the pressing plate, and the top cover is provided with an air outlet. A vertical column is arranged between the top cover and the warm air box, a transverse rod is arranged on the inner side of the clamping groove, a plurality of sets of electric heating pipes are arranged below the transverse rod, a bottom plate is arranged below the warm air box, and an air inlet box is arranged at the bottom of the bottom plate. According to the warm air box used in the mine, air is conveyed into the warm air box through the arranged first draught fan, impurities in the air are filtered out through the arranged filter screen, the air is heated through the arranged electric heating pipe, and the air is heated through the electric heating pipe; and the heated air is conveyed into the mine for ventilation through a second fan and a ventilation pipeline.

The utility model provides a kind of ECC bridge crash barrier belongs to ECC bridge field, including frame, energy-absorbing installation component being arranged in the inside of frame and support fixed component being arranged on the surface of frame, energy-absorbing installation component includes the vertical barrel being arranged in the inside of frame, vertical barrel is internally provided with inner chamber, detachably connected with water storage bucket in inner chamber, internally fixedly connected with fixed column, energy-absorbing is carried out by vertical barrel, support fixed component includes the support rod of detachably connected in one side of the surface of frame, the utility model frame inside both ends are equipped with connecting seat, connecting seat is attached to the inside surface of frame, wherein connecting seat surface is all provided with connecting hole, fixed column surface is equipped with vertical barrel, vertical barrel is installed to water storage bucket by the inner chamber being internally provided, water storage is carried out by water storage bucket, energy-absorbing work is carried out when collision occurs, increase the anti-collision property of whole, and then ECC bridge crash barrier is used, and the energy-absorbing property of whole is higher.

The utility model relates to a beaming machine technical field discloses a beaming machine disc head alignment device, including the carousel, one side of carousel fixedly connected with the drive seat, one end of drive seat is provided with the locating disc, one side of locating disc is provided with the disc head, the outer surface of locating disc is equipped with the resistance groove, one side of disc head is fixedly connected with the inserted strip. The utility model has the advantages and effects that: when aligning, the inserted strip is inserted into the resistance groove, the resistance groove supports the inserted strip, and the disc head is positioned at the same time, the screw holes automatically correspond to each other, the nut locks and fixes the inserted strip after the bolt passes through the screw hole, thereby butt joint installation between the locating disc and the disc head, the firmness is stronger after installation, when the disc head needs to be disassembled, the bolt is taken down, the locating disc is driven to rotate, the resistance groove opening slowly goes down, under the weight of the disc head itself, the inserted strip is beneficial to slide out, and the installation and disassembly are convenient, and the alignment is more simple and accurate.

The utility model discloses a background curtain wall structure for video shooting, and relates to the technical field of background curtain walls, the background curtain wall structure comprises a background curtain wall main body and two U-shaped plates, the background curtain wall main body is slidably arranged on the inner walls of the two U-shaped plates, the two U-shaped plates are both provided with fixing frames, and the fixing frames are arranged on the background curtain wall main body. Mounting plates are arranged on the surfaces of the two U-shaped plates, two fixing plates are arranged on the surfaces of the two fixing frames, the mounting plates and the fixing plates are fixedly connected through bolts, a plurality of rubber rollers are rotationally arranged in the two U-shaped plates, and two base plates are arranged on the inner walls of the two fixing frames; the rubber roller and the base plate are horizontally arranged, springs are arranged in the two fixing frames, extrusion plates are arranged on the inner walls of the two fixing frames in a sliding mode, and one ends of the springs are arranged on the surfaces of the extrusion plates, so that the background curtain wall body can be conveniently mounted and dismounted, operation is easy, and practicability is high.

The utility model relates to the technical field of domestic energy storage device, concretely to a portable domestic energy storage device, including the body, the bottom of body is equipped with a plurality of ports, the bottom of body movably is equipped with the protective cover, the protective cover is through the slide bar swing joint in the back of body, the protective cover can be turned over from the back of body to the bottom of body, when the protective cover is located the bottom of body, the protective cover will be covered a plurality of ports in, the utility model discloses a protective cover is movably arranged at the bottom of body, and the protective cover is connected through the slide rail and slide bar, so that the protective cover can be moved to the back of body when not using and be stored to reduce the occupied space, when being used, can be turned over to the bottom of body, so that the wiring port cover of the bottom of body is set in, realize the protection of port, avoid the impurity such as dust into the port or port touch ground and cause damage, make the transportation of device more safe and convenient.

The automobile radiator convenient to clean comprises a base and a radiator body, a fixing frame is fixedly connected to the top of the base, a collecting component is arranged at the top of the base, and a connecting component is arranged between the radiator body and the base. The collecting part comprises a collecting box fixedly connected with the top of the base, an inserting opening formed in the top of the collecting box, a filtering plate connected with the inserting opening, a fan fixedly connected with one side of the top of the collecting box, an air suction pipe fixedly connected with one side of the fan and a hose connected with one side of the top of the collecting box. Through the arrangement of the base, the radiator body, the fixing frame and the collecting component, the problems that when an existing automobile radiator is used, although the automobile radiator can be cleaned, the cleaning mode is relatively single, the cleaning effect becomes poor, dirt such as batting after cleaning is directly discharged, impurities are not collected and treated, and the cleaning effect is poor are solved. And therefore, the practicability becomes poor.

The utility model relates to the technical field of transformers, and discloses a transformer for electric power engineering, which comprises a transformer body, the two sides of the bottom of the transformer body are fixedly connected with bottom feet, the bottoms of the bottom feet are provided with mounting assemblies, and the mounting assemblies comprise bottom plates. Inserting grooves are symmetrically formed in the two sides of the top of the bottom plate, clamping grooves are symmetrically formed in the two sides of the bottom of the bottom plate, moving grooves are symmetrically formed in the two sides of the top of the bottom plate, and fixing mechanisms are symmetrically arranged on the two sides of the top of the bottom foot and comprise pressing blocks arranged on the two sides of the top of the bottom foot. The bottom of the pressing block is fixedly connected with a pressing rod, the pressing rod penetrates through the bottom foot and extends into the moving groove, and the end, close to the pressing block, of the pressing rod is sleeved with a spring. When the transformer mounting and dismounting device is used, operation is convenient, a transformer can be conveniently and rapidly mounted and dismounted, maintenance is convenient, and the mounting and dismounting efficiency of the transformer can be improved.

The utility model relates to tea leaf kill green machine technical field, concretely is a kind of tea leaf kill green machine condensate water collection structure, including support frame, collection cover, kill green device and water collecting tank, the top of support frame is fixedly connected with the outer wall of collection cover, the inside of connecting frame is provided with water collecting tank, the top of water collecting tank is connected with conveying water pipe, the end of conveying water pipe away from water collecting tank is fixedly connected with water pump, the collection cover includes upper cover and lower cover, the lower cover is fixedly connected in the top of support frame, the inner wall of upper cover is provided with flow guide groove, the inner bottom wall of lower cover is fixedly provided with drainage slope. The utility model, by setting the upper cover and lower cover of collection cover, the flow guide groove of upper cover inner wall can guide condensate, the drainage slope of lower cover inner bottom wall can gather condensate to the bottom end of one side of collection cover, then cooperate water pump and conveying water pipe and send condensate to water collecting tank, the recovery of condensate is realized.

The invention discloses a universal single-pile vertical uplift load static load detection method. The method comprises the steps that firstly, a supporting pier or a counter-force pile, a main beam, a jack and a top long anchorage device are installed; according to test pile types of different types or manufacturers, appropriate top length anchorage devices and anti-pulling connecting devices are selected; connecting the top long anchorage device with the anti-pulling connector below by adopting rigid connecting pieces, namely threaded steel and a threaded sleeve; the anti-pulling connecting tool is connected with the test pile below through a flexible connecting piece, and threaded holes in the end plate of the test pile are connected through high-strength screws; finally, one end of the steel strand is fixed to the anti-pulling connecting tool through a steel strand and steel strand connector, and the other end of the steel strand is connected through a steel strand-to-high-strength screw working connector; two sides of the test pile are respectively provided with an instrument and a datum beam; and detecting according to construction requirements. According to the detection method, the design is carried out for static load anti-pulling tests of all cast-in-place piles and precast piles, one set of universal anchorage device is used for detecting the anti-pulling piles of different pile types, and the detection efficiency is improved.

The utility model discloses a plant LED lighting lamp of quick assembly can, including lamp shell main part, the inside of lamp shell main part is provided with the mounting groove, the inside embedding installation of mounting groove has LED lamp body structure, between LED lamp body structure and lamp shell main part is detachable structure, the bottom of lamp shell main part is installed with support base, and between support base and lamp shell main part is detachable structure, the front end surface detachable installation of LED lamp body structure has transparent decorative board. The utility model discloses through embedding installation fixed in the inside of lamp shell main part with LED lamp body structure, through the quick jointing of the clamping block and the slot structure of groove structure, has the advantage that installation dismounts convenient and fast, adopts screw groove structure simultaneously, can carry out quick alignment fixed with transparent decorative board and LED lamp body structure, and the bolt reinforcing connection between lamp shell main part and support base is realized, realizes the quick assembly fixed of whole plant LED lighting lamp, has the advantage that the assembly forming speed is fast.

The utility model relates to the technical field of concrete pumping, and discloses a concrete pumping horizontal pipe fixing support which comprises two fixing boxes, transverse steel is fixedly connected to the positions, located at rectangular grooves, of the outer surfaces of the fixing boxes, and a sliding sleeve is movably arranged on the outer surface of the transverse steel in a sleeved mode. And positioning bolts are in threaded connection with the interiors of screw holes, corresponding to the transverse steel, of the sliding sleeves, and I-shaped steel is fixedly connected to the outer surface of the bottom of the fixing box. The transverse steel is arranged to be matched with the positioning bolts and the screw holes, the position of the first arc-shaped hoop is adjusted, so that the first arc-shaped hoop makes contact with the surface of the pumping vertical pipe, the second arc-shaped hoop makes contact with the surface of the pumping horizontal pipe, the two fixing boxes are fixed through the cooperation of the connecting bolts and the connecting holes, and the I-shaped steel is fixed to the ground through the screws; and the stability of the fixing box is improved, so that the fixing device is convenient to mount and dismount, the stability during fixing is relatively high, and the fixing device can be recycled.

The utility model discloses an auxiliary device for hoisting a wind power tower drum, and relates to the technical field of wind power generation. The device comprises an installation disc, an installation assembly is arranged on the back face of the installation disc, and positioning assemblies are arranged on the two adjacent sides of the installation disc. A front semi-ring and a rear semi-ring in the mounting assembly are welded to the back face of a mounting disc correspondingly, and a first lug seat and a second lug seat are welded to the outer walls of the two sides of the front semi-ring and the outer walls of the two sides of the rear semi-ring correspondingly. Through the clearance fit between the clamping block and the clamping seat in the mounting assembly, the first lug seat and the second lug seat are connected by the rotating block, and the front half ring and the rear half ring are fixed, so that the problem that the device is inconvenient to quickly mount on the wind power tower drum in the prior art is solved; the threaded rod in the positioning assembly drives the clamping plate to move, and the detection cylinder is mounted on the mounting disc through the U-shaped frame and the clamping plate, so that the problem that a single detection cylinder is inconvenient to overhaul and replace in the prior art is solved.

The utility model discloses a building wall masonry tool, which relates to the technical field of building engineering and comprises a support frame, sliding sleeves are sleeved on two corresponding sides of the support frame, a support plate is connected between the two sliding sleeves, a first convex groove is arranged inside the support plate, a first convex block is slidably connected inside the first convex groove, and a second convex block is arranged inside the first convex block. A bottom plate is fixedly connected to the top of the first convex block, a plurality of wall bricks are placed on the top of the bottom plate, and two first mounting frames are mounted on the top of the supporting frame. The building wall masonry tool has the advantages that the sliding type bottom plate on the supporting plate supports wall bricks, the bottom plate slides, the whole wall bricks can be moved, the wall bricks can be conveniently taken during high-place operation, the two protection plates are arranged at the bottom of the supporting plate, the two protection plates can be driven to be unfolded under the action of the lead screw, and the wall bricks can be conveniently taken out. The protection range of the wall bricks is expanded, the wall bricks can be prevented from falling, and the wall bricks can be folded when not used.

The utility model provides a road test detection device for pavement deflection detection, and relates to the technical field of pavement deflection detection, the road test detection device comprises a frame body and a measuring assembly, the frame body comprises a connecting frame A and a connecting frame B, and gradienters are fixed on the connecting frame A and the connecting frame B. According to the road test detection device for pavement deflection detection, the connecting frame A and the connecting frame B can be in threaded connection together through cooperation of the threaded sleeve and the first threaded rod, higher fixing stability is provided through threaded connection, the situation that the detection precision is reduced due to the fact that the sliding fit clearance is too large or too small is avoided, mounting and dismounting are convenient, and the practicability is high. And a second threaded rod can be screwed into a storage threaded hole by rotating a fixed column, so that storage of the connecting frame A, the connecting frame B, the second threaded rod, the fixed column, a third threaded rod and the bottom plate is realized, the storage design of the device is optimized, and the storage convenience is improved.

The embodiment of the application relates to the technical field of fruit and vegetable sorting, and particularly relates to a box assembly, a vertical boxing machine and a fruit and vegetable sorting device. The box assembly comprises a box structure and a door body. The bottom of the box structure is provided with an opening and an inclined part, and the bottom of the box structure comprises opposite first and second sides, and the inclined part is arranged in an inclined extension manner from the inner wall of the second side to the center of the opening. The door body can move laterally relative to the box structure along the opening to open or close the opening, and the door body comprises a first edge part, which is located at the second side of the box structure when the door body opens the opening, and is located at the first side of the box structure when the door body closes the opening. Wherein, the lower edge of the inclined part is closer to the center of the opening than the first edge part when the door body opens the opening. According to the application, the inclined part is arranged on one side of the opening in the bottom of the box structure, and cooperates with the opening position of the door body, so that the fruit and vegetable unloaded from the second side can smoothly slide along the inclined part, and the fruit and vegetable is loaded into the fruit and vegetable container without obstruction.

The utility model relates to the technical field of plant cultivation, and disclose a substrate container suitable for soilless culture of strawberry in greenhouse, including cultivation frame, cultivation frame includes two horizontal opposite support rods, two support rods between installing two main flow pipes, two main flow pipes between equidistance installation have a plurality of branch pipes, and a plurality of cultivation containers for soilless culture of strawberry are arranged on the branch pipe. The cultivation container includes an outer sleeve mounted on the branch pipe, and a sterile sponge body and an inner sleeve are sequentially fitted in the outer sleeve. The cultivation frame integrates the support structure and the water and fertilizer delivery pipe network, realizes multi-layer three-dimensional cultivation, greatly improves the space utilization rate and the yield per unit area of the greenhouse, and the cultivation container adopts standardized module design, convenient to install and disassemble, and is convenient for large-scale deployment and maintenance.

The utility model relates to the technical field of gas collecting hoods, and discloses an oil gun integrated efficient oil gas recycling gas collecting hood device. Comprising a connecting cover and further comprises a fixing sleeve mounted on the outer side of the connecting cover, a connecting ring and a mounting ring are fixedly connected to the top of the fixing sleeve, the mounting ring is fixed to the inner wall of the connecting ring, and a first connecting block and a second connecting block are arranged on the outer side of the connecting ring and rotationally connected to the outer side of the first connecting block; by arranging the first connecting block and the second connecting block, the connecting ring can be conveniently limited so as to be assembled and disassembled from the surface of the oil gun, and by arranging the bolt and the limiting nut which are matched for use, the first connecting block and the second connecting block can be conveniently limited, so that the stability during connection is conveniently improved; and through cooperative use of a limiting rod and a limiting groove, the fixing sleeve can be conveniently mounted and dismounted, so that the equipment layout flexibility of the gas station is improved.

This utility model relates to the field of automotive lighting technology, specifically to a dust cover assembly for an automotive headlight. It includes a headlight body with a mounting hole on the rear end face for mounting an LED headlight onto a mounting bracket inside the headlight body. A connecting portion surrounding the mounting hole is located on the rear end face of the headlight body. A dust cover is provided on the rear end face of the connecting portion, and a positioning portion extending into the connecting portion is located on the front end face of the dust cover. A first connecting plate and a second connecting plate are respectively provided at the connection between the dust cover and the connecting portion. An annular slide rail is provided on the first connecting plate, and a knob is rotatably mounted on the annular slide rail. A connecting screw is located inside the annular slide rail, with one end of the connecting screw passing through the annular slide rail and the first connecting plate, and threadedly connected to the second connecting plate. A dustproof and ventilated device is provided at the rear end of the dust cover. This utility model allows for convenient installation and disassembly without the need for tools, and prevents external dust from easily entering the headlight from the connection between the dust cover assembly and the headlight mounting hole.