126results about How to "Easy and efficient installation" patented technology

The invention discloses a steel structure support for photovoltaic power generation, relates to the field of photovoltaic power generation supports, and solves the problem that the surface of a photovoltaic panel is easy to damage and the service life is affected due to the fact that an existing steel structure support for photovoltaic power generation is difficult to turn over and fold at multiple angles during use. Comprising a base, a supporting mechanism, an adjusting mechanism, a cleaning mechanism and two sets of photovoltaic panels, the base is rotationally connected with a first electric telescopic rod, the supporting mechanism comprises a guide frame, a connecting plate and a guide piece, the adjusting mechanism comprises a mounting ring and a second electric telescopic rod, and the cleaning mechanism comprises a cleaning roller. A first electric telescopic rod can conveniently drive a connecting plate to ascend and descend, so that the photovoltaic panel is rotated, overturned and contracted, the angle of a guide frame is adjusted through a second electric telescopic rod, the light receiving efficiency is improved, meanwhile, a cleaning roller is linked to clean the surface of the photovoltaic panel, and the cleaning roller is self-cleaned through the connecting plate; and the service life of the photovoltaic panel is prolonged.

The utility model discloses a bed body frame of a seedling raising bed, which is used for placing hole trays for seedling raising and comprises a plurality of cross beam section bars, a plurality of supporting pipe columns and connecting rods, the cross beam section bars are arranged in parallel, the supporting pipe columns are also arranged below the cross beam section bars vertically, and the connecting rods are connected with the cross beam section bars. The adjacent supporting pipe columns are connected through the connecting rods. Each cross beam sectional material comprises a cross plate and a separation part, the separation part is vertically arranged on the upper surface of the cross plate, a sliding groove is formed by the separation part and the upper surface of the cross plate, and the hole tray is placed on the sliding groove of the adjacent cross beam sectional material and can slide in a reciprocating mode along the sliding groove. The hole tray is simple in structure, high in strength, high in precision, good in stability and capable of enabling the hole tray to slide smoothly in the sliding groove.

The invention provides a tunnel overhead line system davit mounting method, device and equipment, and relates to the technical field of tunnel overhead line system construction equipment.The tunnel overhead line system davit mounting method comprises the steps that S101, a gripper of a second mechanical arm is controlled to grab an overhead line system davit on the ground, and the second mechanical arm is controlled to move the grabbed overhead line system davit to a mounting position of the top of a tunnel; and S102, the first mechanical arm is controlled to act, the manned platform is moved to be close to the installation position, and therefore an operator can conduct installation operation on the overhead line system davit grabbed by the second mechanical arm with the help of the manned platform. Through cooperation of the two mechanical arms, the first mechanical arm and the second mechanical arm can cooperatively install the overhead line system davit, convenience and high efficiency are achieved, and less manual operation is needed.

The utility model is suitable for the technical field of motor supports, and provides a servo motor mounting support which comprises a fixing frame. The through groove is formed in the inner side wall of the fixing frame; the two sliding grooves are symmetrically formed in the inner side wall of the through groove; the interiors of the two sliding grooves are each slidably connected with two sliding blocks. A servo motor mounting plate is arranged among the four sliding blocks; the four fixing shafts are symmetrically welded to the outer side wall of the servo motor mounting plate, and the fixing shafts are rotationally connected with the sliding blocks; the mounting table is welded at the central position of the outer wall of one side of the servo motor mounting plate; the limiting hole is formed in the outer wall of the side, adjacent to the mounting table, of the servo motor mounting plate; angle adjustment can be realized through movement of the servo motor mounting plate in the fixing frame, so that the servo motor is mounted and fixed in a vertical state, an operator does not need to lift the servo motor, and the servo motor and the mounting table are mounted and fixed conveniently and efficiently in a time-saving and labor-saving manner.

The invention relates to the technical field of photovoltaic support installation auxiliary devices, in particular to a positioning and assembling bracket for photovoltaic support installation, which comprises a bottom support assembly for horizontally supporting a photovoltaic support body to be assembled; the two side assembling parts are symmetrically installed on the two sides of the bottom support assembly and comprise side positioning frames horizontally moving in the directions of the two sides of the bottom support assembly, a cross beam rod is installed between the two side positioning frames in an inserted mode, and each side positioning frame is provided with a clamping unit; according to the positioning and assembling bracket for photovoltaic support installation, a to-be-assembled vertical rod structure can be rapidly and stably clamped through the arranged side assembling part, the matched bottom supporting assembly can be suitable for circular hoops of different specifications, the circular hoops and a vertical rod are installed in an aligned mode, and the positioning and assembling bracket is high in adjustability and wide in application range; the photovoltaic support body can be rapidly assembled in a vertical mode, a horizontal assembling mode is not adopted, the problem of rotation and displacement of the photovoltaic support structure can be avoided, and the device is convenient and efficient to assemble and has practicability.

The utility model discloses a kind of damping device of unmanned plane rotating shaft, it is related to unmanned plane technical field, including: unmanned plane body and damping protection piece, unmanned plane body has rotor support, the end of rotor support is equipped with rotor drive structure, the end of rotor support is located below rotor drive structure and is equipped with through mounting hole;Damping protection piece is connected in the outside of rotor drive structure by mounting rod through mounting hole, the connecting place of mounting rod and mounting hole has elastic damping part, the outside of mounting rod is formed with damping and protection structure.The utility model sets up mounting hole by being arranged at the end of rotor support, connects damping protection piece in the outside of rotor drive structure, and sets up elastic damping part at the connecting place of mounting rod and mounting hole, can effectively buffer the vibration and impact of rotor rotating shaft, improve the flight stability and reliability of unmanned plane under complex environment.

The utility model discloses a silencing cylinder mounting structure which comprises a placement plate, a bearing seat is connected to the upper portion of the placement plate through fixing bolts, and a silencing cylinder is connected to the upper portion of the bearing seat. A locking structure is arranged above the bearing seat, a matching barrel is arranged on the lower portion of the silencing barrel, and the bearing seat is connected with the matching barrel through the locking structure. By means of the locking structure, the matching barrel connected with the silencing barrel can be quickly locked to the connecting barrel, the silencing barrel is fixed to the placement plate, and the installation process of the silencing barrel is simplified through mutual matching and locking of the parts. Compared with traditional installation modes of supports, bolts, gaskets and the like, the design of the installation structure enables installation of the silencing cylinder to be more convenient and efficient. Due to the fact that the special locking structure and the matching cylinder are adopted, installation personnel can complete the installation task more quickly.

The invention provides a fire alarm system control box of a nuclear power plant and a fire alarm system. The fire alarm system control box comprises a box body fixed on a wall body; the shielding layer is fixed on the inner wall of the box body; the output module is fixed in the box body; the output module is electrically connected with the signal input line and the signal output line to form an alarm loop. The output module receives fire alarm signals through the alarm loop. The output module is electrically connected with the power input line and the power output line to form a power supply loop which is used for supplying power to the output module. The output module is further electrically connected with the alarm circuit and the audible and visual alarm to form a control loop, and the output module controls the audible and visual alarm to give an alarm through the control loop when receiving the fire alarm signal. According to the fire alarm system control box of the nuclear power plant and the fire alarm system, the radiation shielding effect of the control box can be improved.

The utility model provides a multi-band compatible compact range antenna test system which comprises a bottom plate, a feed-in antenna is fixedly mounted on the upper surface of the bottom plate, a fixing column is arranged on the upper side of the bottom plate and located on the left side of the feed-in antenna, a reflection panel is arranged on one side of the fixing column, and a connecting mechanism is arranged between the reflection panel and the fixing column. A mounting mechanism is arranged in the connecting mechanism, an electric lifting rod is fixedly mounted at the position, located on the right side of the feed-in antenna, of the upper surface of the bottom plate, a fixing frame is fixedly mounted on the upper surface of the electric lifting rod, and a clamping mechanism is arranged in the fixing frame. Through the arrangement of the connecting mechanism, the sliding rail and the moving block, the hydraulic rod is driven to cooperate with the fixed rod to adjust the angle of the reflection panel, the moving block slides on the surface of the sliding rail, the position of the reflection panel can be adjusted, and the test requirements of a multi-band antenna can be met.

This application relates to the field of cable installation technology and discloses a support structure for cable installation in power construction. The structure includes a mounting bracket with a groove on its outer surface. A matching sliding sleeve slides along the groove. A reinforcing bar connects the two mounting brackets, and a cable routing rod is detachably mounted inside the reinforcing bar. Several winding rods are staggered on both sides of the cable routing rod. This application achieves rapid fixing and flexible adjustment of the bracket through positioning kits and mounting blocks, adapting to various installation scenarios. The groove and sliding sleeve, combined with bolts, meet different wiring requirements. The reinforcing bar securely connects the two brackets, and the fastening design of the cable routing rod, positioning groove, and threaded rod ensures structural stability and ease of maintenance. The winding groove of the winding wheel, combined with the winding rod, facilitates cable winding, organization, and positioning, preventing cable tangling. The modular and detachable design of each component makes installation, adjustment, and maintenance more convenient and efficient.

The utility model relates to the technical field of cable fixing, concretely is a kind of cable line fixing device for switch board, including two groups of mounting plate and mounting rod, mounting rod rear end is connected with two groups of mounting plate, two groups of mounting plate are all provided with two groups of mounting hole, still include fixing mechanism and mounting mechanism, fixing mechanism is connected with the front end of mounting mechanism, fixing mechanism and mounting mechanism are all provided with multiple groups, and fixing mechanism and mounting mechanism are same in number, mounting mechanism is installed in mounting rod front end, and fixing mechanism is used to fix cable line;Mounting mechanism includes mounting block, clamping block, first spring and pressing rod, mounting rod front end is provided with installation groove, mounting block outer side wall is slidably connected with installation groove, recess is provided in mounting block top end, clamping block is slidably connected with recess upper and lower. The device realizes the centralized fixing, quick installation and disassembly of multiple cable lines, effectively improves the convenience, orderliness and work efficiency of cable line fixing.

The utility model discloses a top suction chamber kitchen oil fume extraction system which comprises a top suction chamber kitchen oil fume extraction fan, an oil fume filter screen purification box and an oil fume extraction cover, a lifting blocking panel is arranged on the inner side of the lower end of the oil fume extraction cover, and a second fast pipeline connecting mechanism is arranged at the left end of the oil fume extraction cover. A cooking fume round pipe is arranged at the left end of the second quick pipeline connecting mechanism, a first quick pipeline connecting mechanism is arranged at the left end of the cooking fume round pipe, a cooking fume filter screen purifying box is arranged at the left end of the first quick pipeline connecting mechanism, and a connecting hose is arranged at the left end of the cooking fume filter screen purifying box; the left end of the connecting hose is provided with a top suction chamber kitchen oil smoke exhaust fan, and the left end of the top suction chamber kitchen oil smoke exhaust fan is provided with an exhaust pipeline. The ceiling-suction-chamber kitchen oil fume extraction system has the technical effects that the ceiling-suction-chamber kitchen oil fume extraction system is quick and convenient to install and more convenient and efficient to install.

The utility model provides a splicing type ecological ridge which comprises a ridge body support, the ridge body support comprises a bottom plate and a plurality of vertical plates, the vertical plates are perpendicular to the bottom plate and are arranged at intervals, so that first filling cavities are formed between the vertical plates, two second filling cavities are formed in the two sides of the bottom plate and between the bottom plate and the vertical plates, and the first filling cavities are communicated with the second filling cavities. The first filling cavity is located between the two second filling cavities; a plurality of ridge body supports are arranged, two ends of each vertical plate are respectively provided with a first bulge and a first groove, the first bulge is matched with the first groove of another vertical plate, and the first bulge is clamped in the first groove of another vertical plate, so that the ridge body support is detachably connected with another ridge body support. According to the spliced ecological ridge, the technical problem that a detachable ridge in the related technology is difficult to mount and dismount is solved.

The invention provides a modern Huorenchun style energy-saving temperature-increasing residential facility which comprises a plurality of first solar panels arranged on a top frame in the circumferential direction, a building body is supported on the lower portion of the top frame, a skylight hole is formed in the center of the top of the building body in a penetrating mode, and glass is detachably arranged in the skylight hole. A plurality of first fixing boxes are evenly distributed on the outer side of the skylight hole, a reflector is arranged on each first fixing box and used for irradiating light into the building body through the prism and the glass, the first solar panels are connected with an energy storage box in the building body, and the energy storage box provides power for the building body. The device is ingenious in design and compact in structure, can greatly improve the energy-saving and temperature-increasing effects of residential facilities, can be adjusted according to weather changes, and is convenient to use.

The utility model relates to a kind of miniature direct-current brushless motor, including shell, and shell is equipped with accommodating cabin;With the motor rear cover and motor front cover of accommodating cabin seal connection;Stator core is equipped in accommodating cabin;With the rotor assembly matched with stator core;PCBA board is equipped in accommodating cabin;Motor rear cover is equipped with electric connection interface, electric connection interface is operatively electrically connected to PCBA board;The center of motor rear cover is equipped with the stator support shaft extending into accommodating cabin, stator core is fixedly sleeved on stator support shaft;Motor front cover is equipped with insert sealing joint part, insert sealing joint part is used to insert into gear box and form sealed connection with gear box;The output end of the motor shaft of rotor assembly extends outward through insert sealing joint part.It replaces traditional motor.The miniature direct-current brushless motor can effectively solve the problems in the prior art through innovative structural design, improve the performance, reliability and service life of motor in smart home device.

The utility model provides a kind of exempt from formwork piece prefabricated comprehensive pipe gallery structure, including along longitudinal piece prefabricated side wall, middle wall, roof and bottom plate;The side wall top is equipped with cantilevered plate integrally formed with one, and the cantilevered plate is used to rest roof and as the template of wet connecting node;The side wall and roof, the side wall and bottom plate are connected by steel bar lap joint and post-poured concrete to form wet connecting structure;The middle wall and roof are connected by high-strength bolt to form dry connecting structure;The middle wall and bottom plate are connected by mortise and tenon structure to form dry connecting structure;The longitudinal end of the side wall, roof and bottom plate is equipped with the connecting box of built-in steel wire rope ring, and the corresponding steel wire rope ring of adjacent pipe gallery section is connected by pin shaft steel bar and forms longitudinal connecting structure by pouring concrete.The utility model has good economy, and multiple segments can also be parallel advanced during construction, and efficiency is stable.

The utility model relates to an electric cooker NTC and double fuse internal and external split type connection structure, which relates to the technical field of electronic component connection, and comprises an outer shell and an inner slide block, and the outer shell and the inner slide block are provided with the same connection mechanism; the connecting mechanism comprises a connecting part A and a connecting part B which are used for connecting the outer shell and the inner sliding block. According to the internal and external split type connecting structure of the NTC and the double fuses of the electric cooker, a connecting mechanism on the outer shell and the inner sliding block comprises a limiting block, an arc-shaped groove, a semi-ring groove, a ring piece and the like, enough creepage distance is provided, the phenomenon of electric leakage can be effectively prevented even in a high-humidity or polluted environment, and the service life of the electric cooker is prolonged. The insulation performance of the whole circuit system is improved, so that the insulation performance of the whole circuit is improved, stricter UL safety specification requirements can be met, and the problems of poor insulation performance and insufficient creepage distance of some left-right split structures in the market are solved.

The utility model discloses a rotary detector fixing mechanism, relates to the detector field, and comprises a support bottom block, the bottom end of the support bottom block is horizontally welded with an installation chassis, the top surface of the installation chassis is uniformly provided with fixed through holes, the top end of the support bottom block is horizontally provided with a rotary top disc, and the rotary top disc is provided with a fixed through hole. Top horizontal grooves are horizontally and symmetrically formed in the top face of the rotating top disc, clamping top blocks are evenly in butt joint with the top face of the rotating top disc, anti-skid side blocks are fixedly arranged on the side edges between the clamping top blocks, a top clamping disc is horizontally welded to the top end of the supporting bottom block, and a limiting gear ring is fixedly arranged on the bottom face of the top clamping disc. Top guide grooves are symmetrically formed in the top face of the top clamping disc, a middle positioning groove is formed in the top face of the top clamping disc, a bottom through hole is formed in the bottom face of the rotating top disc, an extrusion rotating clamping structure is adopted so that installation can be more convenient and efficient, and meanwhile due to the integrated structure, overall installation and use are easy.

The utility model belongs to the field of photovoltaic power generation, and particularly relates to an integrated assembly type photovoltaic tile device which comprises a plurality of photovoltaic tile units, each photovoltaic tile unit is provided with an assembly frame, and the photovoltaic tile units are assembled with one another and installed on a tile hanging strip. Each photovoltaic tile unit comprises a plurality of battery pieces which are back contact battery pieces with grid lines integrated on the back face and are distributed in a rectangular array mode. The positive electrodes and the negative electrodes of the adjacent battery pieces in each row abut against each other, the back surfaces of the adjacent battery pieces are connected through interconnecting strips, and the half-cut battery pieces are laminated, welded and connected in series to form n rows of long-strip-shaped battery panels, and n is larger than or equal to n; the anodes at one ends of the n rows of cell panels are gathered and connected in parallel, and the cathodes at the other ends are gathered and connected in parallel and are respectively led out by bus bars; according to the back contact battery piece integrated on the back face through the grid lines, the appearance color can be unified, shielding of the interconnection strips is reduced, the power generation efficiency is higher, in addition, through the arrangement of the assembly frame, installation is convenient and efficient, and fragmentary parts are reduced on the whole.

The utility model discloses a combined type pre-embedded lining box structure, which relates to the technical field of refrigerators and comprises a lining box base plate, the lining box base plate is mounted on a refrigerator liner, a welding lining box for welding an air return pipe and an evaporator is arranged in the middle of the lining box base plate, a terminal lining box for mounting a wiring harness terminal is arranged on the upper portion of the lining box base plate, and the terminal lining box is mounted on the refrigerator liner. Fixing buckles used for being connected with an evaporator are arranged on the two sides of the lower portion of the lining box base plate, and a plurality of fixing screw columns used for fixing an air channel and air channel buckles used for being connected with the air channel in a clamping mode are fixedly arranged at the upper end of the lining box base plate. Pre-embedded lining boxes with different functions, such as a wire harness terminal lining box, an evaporator fixing buckle, an air duct fixing screw column and an air duct buckle, in an existing refrigerator are combined to one injection molding piece, the back face is coated with glue, a worker tears the back glue at a time, installation is convenient and efficient, and by integrating pre-embedded parts or integrating other unrelated parts to one part, the production efficiency is greatly improved. Therefore, production and assembly are facilitated, and the number of parts is reduced.

The invention relates to the technical field of steel structure installation, in particular to intelligent integrated equipment based on steel structure installation, which comprises a lifting cylinder, an intelligent system and a controller, the inner side wall of the lifting cylinder is in vertical sliding fit with a sliding block, and the top of the sliding block is fixedly connected with a supporting rod. The top of the supporting rod penetrates through the top of the lifting cylinder and is in vertical sliding fit with the top of the lifting cylinder. A tray assembly used for fixing the steel structure is arranged at the top of the supporting rod. The bottom of the lifting cylinder is fixedly connected with a driving vehicle body, and the inner bottom wall of the driving vehicle body is fixedly connected with a first driving part; driving wheels are symmetrically and rotationally connected to the side wall of the first driving vehicle body, and output shafts of the first driving parts are coaxially and fixedly connected with the driving wheels; a steering assembly used for steering the driving vehicle body is arranged on the side wall of the driving vehicle body. The whole equipment is conveyed to the specific position where the steel structure needs to be installed through the driving vehicle body, the design is flexible, the equipment can adapt to various complex terrains and construction environments, and tracks do not need to be laid in advance.

The utility model discloses a closing-up line system for a wall decoration plate and a ceiling. The closing-up line system comprises a mounting base with an F-shaped section and a transverse metal decoration strip with a T-shaped section, wherein the transverse metal decoration strip is detachably connected with the mounting base; a partition plate is arranged in the middle of the mounting base and divides the mounting base into a lamp strip mounting cavity located on the upper portion and a wall veneer mounting cavity located on the lower portion, and the metal decorative strips are connected with the partition plate in a buckled mode. According to the utility model, only on-site splicing, connecting and fixing are needed, the installation is convenient and efficient, no complex secondary processing is needed on site, the on-site construction pollution is reduced, in addition, the wall veneer and the ceiling can be limited, and the wall veneer can be dismounted without damage.

The invention relates to the technical field of municipal cable construction, and discloses a drop and inclination adjustable power cable releasing device which comprises a support, a first motor is fixedly connected to the front face of the support, a reel is fixedly connected to the output end of the first motor, and the front face and the back face of the reel are rotationally connected with the inner wall of the support. A cable is wound on the outer surface of the reel, and an adjusting assembly is arranged on the right side of the reel and comprises a support rotationally connected to the outer surface of the support. The drop of the cable taken out of the reel is adjusted according to the on-site construction environment, the position of the pulley is adjusted by rotating the support, the number of the sliding rods is three, the cable can penetrate through the sliding rods with different heights according to the drop degree of the reel cable, the releasing angle and tension of the cable are adjusted, it is ensured that the cable can smoothly cross the areas with different heights, and the cable laying efficiency is improved. A cable laying project can be smoothly carried out in a complex terrain and is not limited by a fall problem of the terrain.

The utility model discloses a kind of anti-leakage sprayers, it is related to sprayer technical field, including spray bottle and water guide pipe, the top of the spray bottle is movably connected with the bottom of water guide pipe, and the top of water guide pipe is fixedly connected with water storage tank, the water outlet of water storage tank is fixedly connected with pipe, the top of water storage tank is fixedly connected with spray stand. The utility model is provided with sealing mechanism, first, insert ring and sealing ring are inserted into slot one and slot two respectively, at the same time, rubber pad enters slot two with the movement of sealing ring, then, by the thread cooperation of threaded block and threaded sleeve, rotate threaded sleeve until fixed, to realize the communication of pipe on water storage tank and connecting pipe, its sealing mechanism can improve the sealing property after pipe on water storage tank and connecting pipe are connected, effectively prevent liquid from spilling from connecting place, greatly enhance the anti-leakage effect, in addition, the connecting mode of thread cooperation makes installation become simple and efficient, to meet the practicality of the device.

The utility model discloses an assembly type fireproof door with fixing pieces, which belongs to the technical field of fireproof doors and comprises a fireproof door body and a door frame, the fireproof door body is hinged to the left edge of the door frame through hinges, the door frame is fixedly mounted on the edge of a wall through expansion bolts, and a door lock is arranged on the front side of the fireproof door body. A door closer is fixedly mounted above the fireproof door body, a door closer connecting rod is connected and mounted to the front side of the door frame, fixing piece shells are fixedly mounted on the left side and the right side of the outer side of the door frame, clamping blocks are arranged in the fixing piece shells in the front-back direction, embedded parts are packaged in the edges of the wall body through cement, and clamping grooves are formed in the embedded parts; and the clamping blocks are connected to the interiors of the clamping grooves to form reinforcing structures. The fabricated fireproof door with the fixing piece has the advantages of being convenient and efficient to install and stable and reliable in connection, is suitable for installation of fireproof doors of various buildings, and effectively guarantees fireproof safety of the buildings.

The application relates to the technical field of high-voltage cabinet installation, and discloses a high-voltage cabinet installation mechanism, which comprises a high-voltage cabinet body and a power meter installed on the surface of the high-voltage cabinet body, detachable positioning plates are arranged on the two sides of the back of the high-voltage cabinet body, the outer wall of each positioning plate is integrally provided with a sliding block, a sliding rod is installed in the sliding block, a fixed plate is fixed to the bottom end of the sliding rod, a movable sliding sleeve is arranged on the outer wall of the sliding rod, and the outer wall of the sliding sleeve is provided with a supporting rod used for supporting. The positioning block and the positioning hole are matched, the height of the sliding rod can be flexibly adjusted, and different installation environments can be adapted. The positioning plate is fixed to the high-voltage cabinet body, the ground is supported by the supporting rod and the mounting plate, a double-stable structure is formed, and the anti-inclination capacity is enhanced. The supporting rod is rotationally connected with the sliding sleeve through a connecting piece, the other end of the supporting rod can be fixed to the ground through the mounting plate or directly support the ground, a double-stable structure of 'cabinet body back fixed + bottom supported' is formed, and the anti-inclination capacity of the high-voltage cabinet is remarkably improved.

The utility model discloses a steel box girder hoist synchronous lifting equipment belongs to steel box girder hoist synchronous lifting technical field, including the bottom plate, the outside of bottom plate is provided with the lifting frame, the upper surface fixedly connected with the hanger of lifting frame, the bottom fixedly connected with four fixed columns of lifting frame, the bottom of each fixed column is all fixedly connected with the pull ring, the below of each fixed column all is provided with the receiving column, the outer surface all fixedly connected with four limit frames of each receiving column, the inner wall all pivotally connected with the clamping hook of each limit frame, the upper surface all fixedly connected with the steel wire rope of each clamping hook. This steel box girder hoist synchronous lifting equipment, through setting up the lifting frame, has simplified the hook fixed operation, need not the complicated manual fixed step, through the linkage design of fixed column, receiving column and steel wire rope, when the lifting frame is forced to rise, the steel wire rope will pull the clamping hook and rotate around the limit frame, make the clamping hook automatic buckling the place of steel box girder's hanging, and the installation process is convenient and efficient.

The utility model discloses a power line buckle device which is used for limiting a plug to a socket and comprises two fixing assemblies, two limiting pieces and a flexible connecting piece. The two fixing assemblies are used for being fixedly installed on a socket. Each fixing assembly comprises a fixed part and a movable part, and the fixed part is suitable for being fixed to the socket; the movable piece is connected to the fixed piece and provided with a limiting hole. The two limiting pieces and the two fixing assemblies are arranged in a one-to-one correspondence mode. Each limiting piece comprises a first end and a second end which are opposite, and the first end is detachably inserted into the corresponding limiting hole. The flexible connecting piece is used for being wound on the periphery of the plug; the flexible connecting piece is connected between the second ends of the two limiting pieces. Therefore, under the fixing effect of the power line buckle device, the plug can be reliably limited on the socket, the situation that the plug is accidentally loosened from the socket or even falls off is avoided, and the working reliability of electrical equipment is guaranteed.

The invention relates to the field of assembly type floor installation, and particularly discloses an assembly type floor installation fastener structure which comprises a body and an installation plate, the body comprises a bottom plate, side walls arranged at the two ends of the bottom plate, a column body arranged in the middle of the bottom plate and protrusions movably arranged on the two sides of the column body, and the column body is of a hollow structure; a protrusion is arranged at the bottom end of the bottom plate, fixing plates are arranged on the two sides of the protrusion, a spring is arranged in the column body, a mounting column is movably arranged in the column body, a groove is formed in the bottom end of the mounting column, an adjusting plate is rotationally connected into the groove, a fixing groove is formed in the bottom end of the bottom plate, and the adjusting plate can be clamped and fixed into the fixing groove. The first slope on the mounting column abuts against the second slope at one end of the protrusion, then the protrusion moves towards the outside of the column body, meanwhile, the spring is compressed to generate elastic force, the column body, the protrusion protruding outwards, the side wall and the wood floor form a fixing fastener, and longitudinal movement of the wood floor can be prevented.