255results 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 discloses a work piece clamp for sheet metal part processing and production, which relates to the sheet metal part processing technology field, and comprises a mounting plate, a support plate and two moving plates, the mounting plate is provided with a plurality of threaded holes, the mounting plate is provided with a servo electric cylinder, a connecting support rod is welded between the support plate and the mounting plate, and the two moving plates are arranged on the support plate. A moving mechanism is mounted on the supporting plate, the servo electric cylinder is connected with the moving mechanism, one ends of the two moving plates are connected with the moving mechanism, and the other ends of the two moving plates are connected with a clamp through a mounting mechanism; the clamping device is suitable for installation and use of different devices, so that the practicability of the clamping device is improved, sheet metal parts of different sizes can be clamped through adjustment, the clamping device is convenient to disassemble and replace through the arrangement of the installation mechanism, the clamping device can adapt to workpieces of different shapes, sizes or characteristics by replacing clamping plates of different specifications, materials or designs, and the clamping device is convenient to use. And diversified clamping requirements are met.

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 invention relates to the technical field of assembly type riding tracks, in particular to an assembly type adjustable riding track which comprises a base, a hydraulic cylinder is mounted at the upper end of the base, a first rotating shaft is fixedly connected to the output end of the hydraulic cylinder, supporting blocks are rotationally connected to the two ends of the first rotating shaft, and a first base plate is tightly attached to the upper ends of the supporting blocks; a guardrail mechanism is arranged at the upper end of the first base plate, the first base plate is sleeved with a second base plate, a locking mechanism is arranged in the first base plate, pressing mechanisms are arranged on the two sides of the first base plate, and fixing mechanisms are arranged at the positions, close to the lower ends of the locking mechanisms, of the two sides of the first base plate. And the assembly type adjustable riding track can be rapidly mounted and dismounted, convenience and rapidness are achieved, and the mounting efficiency and quality can be improved.

The utility model relates to an energy storage battery box transport frame, which belongs to the field of energy storage batteries and comprises an energy storage battery box, a transport underframe and fixing parts, two side edges of the bottom of the energy storage battery box are fixedly arranged on the transport underframe through the fixing parts, each fixing part is composed of a main panel, side panels and an inclined panel, two sides of each main panel are fixedly connected with the side panels, and the side panels are fixedly connected with the inclined panels. The head end of the main panel is fixedly connected with the inclined panel, the main panel is movably connected with the side edge of the bottom of the energy storage battery box in a clamped mode, and the side panel is detachably connected with the transportation bottom frame through fixing bolts. The problem that the energy storage battery box is difficult to fix and carry in the transportation process is effectively solved, the energy storage battery box can be effectively fixed and is convenient to mount and dismount, fixing pieces can be used as guide rails, the energy storage battery box is convenient to transfer, and the energy storage battery box fixing device is exquisite in structure and high in practicability.

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 transformer connecting structures, in particular to an oil-immersed transformer convenient to mount and dismount, which comprises an oil-immersed transformer body and a fixed base, a limiting component is arranged at the bottom of the oil-immersed transformer body, and a mounting groove is formed in the middle of the top surface of the fixed base. A pull rope can be wound through an arranged winding rod, so that a fixing block can be pulled to slide towards the interior of a groove, an arranged spring can push the fixing block out of the groove in a sliding mode after the pull rope loses pulling force on the spring, and during installation, the winding rod is rotated to wind the pull rope, the fixing block is pulled back into the groove, so that the fixing block is pulled out of the groove. And then the connecting bottom block slides into the mounting groove, then the winding rod is loosened, then the fixing block is jacked into the fixing groove by the spring, and contrary operations of mounting and dismounting are completed at the moment, so that connection and dismounting of the oil-immersed transformer body and the fixing base can be facilitated, and later replacement and maintenance of the oil-immersed transformer body are facilitated.

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 invention provides a temporary pier connecting device and a quick-release inserting-pulling type bridge temporary pier comprising the temporary pier connecting device, and belongs to the technical field of supporting devices. The present invention comprises: a first connecting steel plate; the second connecting steel plate is connected with the first connecting steel plate in an inserted mode, and a pin hole is formed in the second connecting steel plate; and the fixed pin shaft is driven by a driving device, penetrates through the first connecting steel plate and then is inserted into the pin hole. The temporary pier connecting device has the advantages of being safe, reliable, capable of being quickly disassembled, inserted and pulled, convenient and fast to operate and capable of being repeatedly used. When the temporary pier connecting device is used for quickly detaching the inserting and pulling type bridge temporary pier, mounting and detaching operation is easy and convenient, the structural stress performance is good, mounting and detaching are convenient and fast, and repeated use can be achieved. Only a small reserved space and manual operation are needed, the structure is simple, stress is reasonable, and the application range is wide.

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 discloses an accessory for preventing cotton from being hung during quilting, which comprises an elastic contraction piece hung on a presser foot of a sewing machine and a cloth main body used for wrapping the presser foot of the sewing machine, and the elastic contraction piece is sewn on the cloth main body; the cloth body is formed by folding a piece of long-strip-shaped fabric, the two ends of the cloth body are sewn to form a semi-closed space, and elastic contraction pieces are sewn to the two ends in the cloth body respectively. The cloth body of the accessory can completely cover the bottom of the sewing machine presser foot, cotton fibers are effectively prevented from overflowing from a gap between the sewing machine presser foot and a sewing table and clamping the sewing machine presser foot, and a series of quality problems caused by the fact that cotton is clamped by the sewing machine presser foot in the traditional quilting process are avoided. In addition, the cloth body of the accessory adopts a closed sewing design and can completely wrap the side face of the sewing machine presser foot, and cotton fibers are prevented from being hung in from the side face.

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.