156results about How to "Improve fastness" patented technology

The utility model discloses a socket type reinforced concrete cement pipe, which relates to the technical field of concrete cement pipe processing and comprises a protective pipe, a thermal insulation pipe fixedly connected to the inner wall of the protective pipe, a placing groove arranged at the joint of the protective pipe and the thermal insulation pipe, a reinforcing steel bar group placed in the placing groove, and a top cover arranged at the top of the protective pipe. A fastening steel ring abuts against the connecting position of the top cover and the protection pipe, a material injection opening is formed in the top of the top cover, and the material injection opening is formed in the top cover in a T-shaped mode. According to the cement pipe hoisting device, due to the arrangement of the hoisting ring connecting block, safety and stability of a cement pipe in the hoisting process can be guaranteed, and construction efficiency is improved; through cooperation of the reinforcing steel bar rings and the longitudinal reinforcing steel bars, the mechanical property of the cement pipe can be remarkably enhanced, and the bearing capacity and durability are improved; and through the arrangement of the fastening steel ring, the fastening effect of the fastening steel ring can be enhanced, the overall sealing performance and structural stability of the pipeline are improved, and the problem that connection is loosened easily due to insufficient friction force in a traditional fastening mode is solved.

The utility model discloses a forward scattering visibility meter for ice cloud distribution analysis, relates to the technical field of meteorological monitoring equipment, and is used for solving the problem that a conventional bracket is difficult to provide stable support for the forward scattering visibility meter. The forward scattering visibility meter for ice cloud distribution analysis comprises a forward scattering visibility meter body and a support used for supporting the visibility meter body, the support comprises an alloy truss and a height adjusting mechanism, the height adjusting mechanism is arranged on the upper side of the alloy truss, and the forward scattering visibility meter is arranged on the height adjusting mechanism. The device further comprises a supporting base, a metal sleeve, a fixing column and a bottom plate. The supporting seat adopts a concrete structure; the metal sleeves are partially fixed in the supporting seat, the number of the metal sleeves is at least three, and the at least three metal sleeves are coaxially arranged; the bottom plate is arranged on the upper side of the metal sleeve; the bottom of the bracket is fixedly arranged on the bottom plate; the number of the fixing columns is at least three, the at least three fixing columns correspond to the at least three metal sleeves in a one-to-one mode, and the tops of the fixing columns are fixedly connected with the bottom plate.

The present invention relates to an electric motor (10) having a shaft (20) arranged in a motor housing (12), the shaft being rotatably supported on an end region of an end side by means of a support mechanism (32), wherein the motor housing (12) has a housing opening (14) on the side facing the support mechanism (32), the housing opening being closed by means of a cover element (16), wherein the support mechanism (32) is arranged in a bearing receiving element (36) separate from the cover element (16), and wherein the bearing receiving element (36) is fixed in a housing receiving portion (48) of the motor housing (12) in a radially and axially fastened manner.

This utility model relates to the field of flue gas sampling technology, specifically to a flue gas sampling device, including a fixed housing. One side of the fixed housing is connected to one end of a delivery pipeline, and the other end of the delivery pipeline is connected to a sampling component. A set of adjustable mounting components are connected to opposite upper and lower surfaces of the fixed housing. Each set of adjustable mounting components includes an electric telescopic rod, one end of which is perpendicularly connected to the fixed housing, and the other end is connected to a mounting frame. A set of hydraulic telescopic rods are connected to the left and right sides of each mounting frame. The hydraulic telescopic rods and the sampling component are located on the same side of the fixed housing. A rotating component is connected to the end of each hydraulic telescopic rod furthest from the mounting frame. The rotating component includes a connecting shaft parallel to the hydraulic telescopic rod, and the end of the connecting shaft furthest from the hydraulic telescopic rod is perpendicularly connected to a clamping arm. This utility model improves the ease of installation and adaptability of the device, enhances installation stability, and ensures the accuracy and continuity of flue gas sampling.

This utility model discloses a device for monitoring water flow velocity and flow rate in pipelines, relating to the field of pipeline water flow monitoring technology. It includes a monitoring body, one end of which is fixedly connected to an installation component. A sealing component is provided on one side of the installation component, and a pipeline body is provided on one side of the sealing component. The installation component includes a first flange, a second flange bolted to one side of the first flange, a positioning bolt inside the first flange, and a nut on the outer wall of the positioning bolt. This device allows the first and second flanges to pass through the positioning bolt and is secured to the outer wall of the positioning bolt with a nut. After initial installation, a baffle on a long bolt connects the first and second flanges, and the baffle is positioned and fixed by tightening the positioning nut to the outer wall of the long bolt, thus improving the fastening and installation of the monitoring body and the pipeline body.

The utility model relates to the technical field of welded pipe machining, and discloses a high-frequency straight welded pipe notch polishing device which comprises a bottom plate, an air cylinder is fixedly installed on the upper surface of the bottom plate, the output end of the air cylinder is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a polishing disc, and the upper surface of the bottom plate is fixedly connected with a fixing rod. A connecting block is slidably connected to the outer portion of the fixing rod and fixedly connected to the lower surface of the driving motor, and a clamping assembly is arranged on one side of the upper surface of the bottom plate. The clamping assembly comprises a bottom frame, and the bottom frame is arranged on one side of the upper surface of the bottom plate. By means of the rotating ring driven by the clamping assembly and the outer gear ring, stable rotation of the welded pipe is achieved, the polishing disc can conveniently and evenly polish the outer ring of the welded pipe notch, the polishing quality is improved, the polishing disc can be accurately aligned with the bottom of the outer ring of the welded pipe notch, and effective polishing of the outer rings of the welded pipe notches of different sizes is achieved.

The utility model relates to the technical field of fan manufacturing especially is concerned on a kind of fan grease injection shaft seal device, it includes sealing body, the sealing body is installed on the shell by first fixed bolt, multiple beef tallow packing are installed in the sealing body, the sealing body is also equipped with the compacting mechanism that the beef tallow packing is compacted to it on.Being installed when the shaft seal device, sealing body is installed to shell first, then install beef tallow packing, finally compacting mechanism is installed to sealing body, realize the fixation of beef tallow packing;Further make the dismounting of shaft seal device more convenient, and the setting of beef tallow packing makes the sealing effect of shaft seal better effect.

This utility model discloses a dryer rotor connecting rivet, including a rivet body and a riveting mechanism. The top of the rivet body is provided with an mounting rod, and the top of the mounting rod is fitted with a first fixing sleeve. The riveting mechanism is installed on the top of the outer wall of the rivet body and includes a riveting sleeve, riveting drums, and a retaining plate. The riveting sleeve is located on the top of the outer wall of the rivet body. This dryer rotor connecting rivet, through its riveting mechanism, facilitates the riveting of the dryer rotor to the drum using an riveting machine. Axial force is used to deform the riveting sleeve, and multiple riveting drums on the outside of the riveting sleeve deform and fit together, effectively preventing leakage of liquids, gases, and other media, achieving a sealing effect. This prevents moisture from the dryer drum from entering the rotor and affecting the normal operation of the dryer. Furthermore, this riveting method has good tensile strength, thereby improving the tightness of the riveted joint.

This utility model relates to the field of aluminum profile technology, specifically to a robustly assembled aluminum profile, comprising multiple aluminum profile bodies and a splicing assembly and a pressing assembly disposed between adjacent aluminum profile bodies. The splicing assembly includes a support plate, with a baffle perpendicular to its top end. Positioning posts are symmetrically arranged on both sides of the baffle, and connecting plates are provided on the baffles on both sides of the positioning posts. A first fastening groove is formed on the outer end face of the connecting plate. This utility model improves the connection strength and tightness between two aluminum profile bodies by using the splicing assembly and pressing assembly in conjunction with a small number of fixing bolts. Furthermore, only a few fixing bolts need to be removed to disassemble the splicing assembly and pressing assembly from the connection point between the two aluminum profile bodies, facilitating the subsequent reuse of the aluminum profile bodies.

The utility model discloses a kind of electric drive assembly high-pressure connector anti-loosening structure, it is related to high-pressure connector technical field, including connector male end and reinforcing assembly, the connector male end rear side is engaged and connected with connector female end, the reinforcing assembly is set to connector female end surface, and reinforcing assembly includes connecting groove, reinforcing groove, connecting protrusion, reinforcing protrusion, clamping groove, sealing groove, clamping strip, outer sealing frame, elastic sealing strip and magnetic attraction connecting layer, the connecting groove is set on connector female end upside, and connector female end upper surface is provided with reinforcing groove. The electric drive assembly high-pressure connector anti-loosening structure, by reinforcing assembly, so that the device can be inserted to the high-pressure connector Multiple reinforcement, can effectively prevent the male end and female end of connector from loosening, by protection component, so that the device uses multilayer protection mechanism, can greatly improve its own sealing and protective property, so that it is not easy to damage, to prolong its service time.

The utility model relates to the technical field of optical imaging, and especially relates to a wide-angle lens equipped with a protection structure. The wide-angle lens equipped with the protection structure comprises a lens barrel, a lens, a gland, a sliding frame, a buffer ring and a buffer spring, the left end of the lens barrel is clamped with the lens, the left side of the outside of the lens barrel is provided with external threads distributed in the circumferential direction, the inner side face of the gland is correspondingly provided with matched circumferential internal threads, the external threads and the internal threads are connected through a thread pair, and the sliding frame is clamped with the buffer ring. A sliding frame is slidably connected to the position, close to the lens, of the left end in the lens barrel, and a plurality of buffer springs distributed in the circumferential direction are connected between the sliding frame and the lens barrel. The damping structure composed of the sliding frame, the buffer ring and the buffer spring is arranged in the lens barrel, when the lens is subjected to external impact, the buffer ring drives the sliding frame to compress the buffer spring, and the impact force is absorbed by using the elastic deformation of the spring, so that the risk of damage of the lens due to impact can be effectively reduced, and the reliability and the service life of the wide-angle lens are remarkably improved.

The utility model is suitable for the technical field of clamp, provides a kind of automobile side wall assembly clamp positioning pin subassembly, including positioning pin body;Pin head is movably connected in the bottom end of positioning pin body, and through-hole is opened in the pin head;Fixed groove is opened in the inside upper end of positioning pin body, and the inside of the positioning pin body in the top of fixed groove is equipped with thread groove, and the inside of the positioning pin body in the top of thread groove is equipped with through slot;Connecting rod is set in the inside of through slot, and the bottom end of connecting rod is fixedly connected with the thread rod extending to the inside of thread groove, and the bottom end of thread rod is fixedly connected with the fixed block extending to the inside of fixed groove.The automobile side wall assembly clamp positioning pin subassembly provided by the scheme utilizes four abutting structures, can be centrally clamped and positioned to positioning pin body inserted into the inside of positioning hole, ensure that positioning pin body and positioning hole are at the same axial center, reduce positioning error, and can improve the clamping property of positioning pin body and the inner wall of positioning hole.

The utility model provides a three-plug power line plug assembly, comprising a pedestal, the pedestal is provided with a first fixing hole site and a second fixing hole site, the first fixing hole site is internally provided with a first pin assembly, and the second fixing hole site is internally provided with a second pin assembly. The three-plug power line plug assembly provided by the utility model has the advantages of compact structure, convenient installation, high safety and the like, and adopts the structural design that the first pin assembly and the second pin assembly can be respectively installed at the first fixing hole position and the second fixing hole position in the use process. The first pin assembly and the second pin assembly are provided with limiting bodies and clamping body structures for further fixing, the fastening performance of the plug is further improved, the second pin assembly adopts a cylindrical pin head, so that the safety of the plug is further improved, and therefore, the plug is more convenient to use. The method has great economic value and practical value.

The building fire hose and water supply pipeline fixing structure comprises a mounting seat and C-shaped steel detachably connected with the mounting seat, a plurality of waist grooves are formed in the rear wall of the C-shaped steel at equal intervals in the length direction of the C-shaped steel, a pipe bundle is arranged at an opening of the front wall of the C-shaped steel, and a square rod is fixedly connected to one end of the pipe bundle; the square rod is located in the C-shaped steel, a second carriage bolt is arranged at the other end of the tube bundle in a penetrating mode, and the threaded end is sleeved with a second nut in a matched mode after penetrating out of the corresponding waist groove. According to the fire hose fixing device, after the mounting base is fixed to the wall face on one side of the fire hose through the expansion bolt, the fire hose is sleeved with the pipe bundle, then the second carriage bolt penetrates out of the waist groove closest to the fire hose and then is screwed down with the second nut in a matched mode, and therefore the fire hose can be fixed, the structure is simple, operation is easy, and practicability is high. And the fire-fighting water pipe fixing device is suitable for fixing fire-fighting water pipes with different distances from the wall surface and is more convenient to use.

The large buzzing sheet comprises a metal substrate and a piezoelectric ceramic sheet arranged on the front surface of the metal substrate, the left side and the right side of the metal substrate are respectively provided with a side wing plate, the back surface of each side wing plate is fixedly connected with a back plate, and one side, far away from each side wing plate, of each back plate extends to the back surface of the metal substrate. The front of the side wing plate is fixedly connected with a front plate, the side, away from the side wing plate, of the front plate extends to the front of the piezoelectric ceramic piece, the top of the side wing plate is provided with a connecting plate, the front and back of the connecting plate are in swing connection with swing rods, and the sides, away from the connecting plate, of the swing rods extend to the outer side of the side wing plate and are fixedly connected with the side wing plate. Through the wrapping design of the left and right side wing plates, the back plate and the front plate, the piezoelectric ceramic piece is completely wrapped in the metal frame, a plane fixing mode of single glue bonding is replaced, the frame structure disperses shear force generated by vibration to the whole side wing plate system, stress is prevented from being concentrated on a glue bonding surface, and the service life is prolonged.

The present application relates to the technical field of coal mine conveying, and particularly relates to a mine scraper chain structure, which comprises a chain body, a mounting plate, a spring one, a spring two, a telescopic baffle, a contact plate, a threaded column, a lifting box and a telescopic plug plate, and the chain body is arranged in parallel in the left-right direction and has two; the mounting plate is placed on the two chain bodies, the height of the lifting box is adjusted, the telescopic plug plate is pulled out from both ends and passes through the eyelet in the chain body, the lifting box is adjusted upward again, the telescopic plug plate is tightly pressed on the inner upper surface of the chain body, the end of the telescopic plug plate and the mounting plate is fixed by using a bolt and a nut, quick installation is completed, the operation is convenient, the connection is stable, the fastening property is good, when conveying materials, the telescopic baffles on both sides are pushed outward by the spring two, the contact plate is tightly attached to the inner walls on both sides of the groove, the scraper body is always tightly attached to the groove bottom by the spring one, thereby effectively reducing the gap, reducing the conveying omission of the materials and improving the conveying efficiency of the device.

The utility model relates to bolt fastening device technical field provides a kind of fatigue-resistant bolt fastening device, including bolt main body and screw hole;The top of the bolt main body is provided with screw hole, the outer wall of the bolt main body is provided with relaxes and moves structure, the outer wall of the bolt main body is evenly provided with buffer structure.The utility model is provided with relaxes and moves structure, one screw cap and two screw caps are all with bolt main body Threaded connection, and make the convex circle be placed in the inside of recess, further make two groups of screw caps mutually adhere to, and make the structure snap structure, so that it is not easy to produce drop-off phenomenon such as extrusion in the process of vibration, to reach the purpose of improving bolt fastening effect prevents drop-off.

The utility model relates to a fastening device, in particular to a locking device of a cam lock. Comprising a lock body, a sealing gasket, a locking nut, an adjusting nut and a spring bolt. The sealing gasket, the locking nuts, the adjusting nuts and the spring bolt are sequentially arranged on the lock body in a penetrating mode from top to bottom, the two adjusting nuts are located on the upper portion and the lower portion of the spring bolt respectively, threaded sections are arranged on the lock body at intervals, and therefore the locking nuts and the adjusting nuts are in threaded connection with the lock body. The anti-theft lock is characterized by further comprising a locking screw, a threaded through hole is formed in the side wall of the locking nut, the locking screw is screwed into the threaded through hole, and the locking nut and the lock body are fastened through the locking screw. The locking device is simple in structure, and on the premise that the structure of an existing product is not changed, firm mechanical looseness prevention is achieved through the precisely-manufactured miniature set screw, and the locking device can be repeatedly used; the fastening device has the advantages of being reliable in fastening effect and convenient to mount and dismount.

The utility model discloses a torsion nut with a pushing structure, which comprises a nut body, a split pushing component and a first pressure-bearing gasket, a first internal thread is arranged in the nut body, a plurality of first mounting holes are arranged on the outer wall of the nut body, the axial direction of the first mounting holes is consistent with that of the nut body, and the split pushing component is arranged in the nut body. The split pushing part is mounted in the first mounting hole, and the bottom of the split pushing part extends out of the first mounting hole to abut against the first pressure-bearing gasket; the split pushing part comprises a torsion bolt and a pressure-bearing column, the pressure-bearing column is arranged in the first mounting hole, the torsion bolt is meshed with threads in the first mounting hole, and the torsion bolt extrudes the pressure-bearing column towards the first pressure-bearing gasket; the torsion nut with the pushing structure and the bolt are simple in structure, reliable in connection, excellent in looseness prevention and capable of preventing the torsion bolt from being damaged.

The utility model discloses an ophthalmic cavity instrument multi-channel cleaning frame, specifically relates to ophthalmic cavity instrument cleaning technical field is equipped with the connecting pipe, and the connecting pipe includes: rigid fixed head, is connected on the connecting pipe, and the faraway connecting pipe one end is equipped with the help suction connecting portion, is used for with the help suction hole detachable connection of injection suction handle, the elastic hose is equipped in the side of rigid fixed head, and the front end is equipped with perfusion connecting portion, is used for with the perfusion hole sealed connection of injection suction handle. The utility model through setting up rigid fixed head on the basis, the elastic hose is installed in the side, realizes the one side channel of cavity instrument and is fixed in rigid fixed head place, and the other side uses the butt joint of elastic hose and connects, realizes double channel simultaneous flushing, guarantees the cleaning effect of instrument cleaning, also reduces the manual work of staff, improves the work efficiency.

The utility model relates to the technical field of automobile fasteners, and discloses an automobile fastener with an anti-loosening structure, which comprises a shell and a bolt, and the anti-loosening mechanism is fixedly mounted on the inner wall of the shell; the anti-loosening mechanism comprises a mounting sleeve, the side face of the mounting sleeve is fixedly connected with the inner wall of the shell, and a sliding groove is fixedly formed in the inner wall of the mounting sleeve. The limiting block is aligned with the limiting groove, the bolt is inserted into the limiting groove, the bolt is connected with an automobile installation position through the wrench, the limiting block abuts against the limiting groove when the bolt rotates, the rotor and the sliding ring are driven to rotate, then the ratchet wheel is driven to rotate, and after the bolt and the nut are fastened and connected, the connecting rod is further driven to rotate through rotation of the wrench. And then the shifting block installed on the side face of the connecting rod is driven to deflect, then the clamping block is driven to deflect, the abutting direction of the clamping block and the ratchet wheel is changed, limiting is conducted through the reset spring, the situation that the bolt is loosened due to rotation of the bolt caused by vibration is prevented, and the anti-loosening performance of the bolt is improved.

The utility model relates to the field of outdoor circular terminal box with waterproof and dustproof function, a multifunctional outdoor terminal box, including upper cover and lower seat, the inside wall of upper cover is provided with the inside wall protruding of including inside wall axial protruding and inside wall circumference protruding, the outside surface of lower seat fixed with upper cover lower seat fastening part is provided with spiral locking groove, and the inside end of spiral locking groove is provided with radial locking protruding and axial locking groove, lower seat is the barrel structure, and the lower seat main body all around of lower seat lower extreme is provided with even pair of wire harness hole, upper cover and lower seat are connected through the rotation buckle structure, and the simple effect of locking firm, assembly and disassembly is played. Good waterproof, convenient operation, good fastening effect, can also improve work efficiency.

The utility model discloses a kind of composite aluminum honeycomb board, including honeycomb board, the front fender is installed in one side of honeycomb board, the rear fender is installed in the other side of honeycomb board, connecting mechanism is evenly provided on the both sides of honeycomb board, the connecting mechanism includes the clamping groove being opened on the honeycomb board, the connecting plate is fixed in the bottom end of the clamping groove, the fireproof plate is installed in the top end of the connecting plate. By setting connecting mechanism, connecting plate and fireproof plate can be installed on the two side surfaces of honeycomb board through clamping groove, when composite aluminum honeycomb board is used as facing board, bolt penetrates front fender or rear fender into honeycomb board, at this time bolt is stressed to rotate into air slot and extrude it, while fastening plate is stressed to expand, the resilience of connecting plate after extrusion and the resilience of fastening plate are used to fasten bolt, so as to improve the fastening and stability after bolt installation.

This invention discloses a high-strength bearing housing, relating to the field of bearing housing technology. It includes an isolation boss, one end of which is fixedly fitted with a corrosion-resistant protective layer made of corrosion-resistant material. Reinforcing side plates, which enclose the corrosion-resistant protective layer, are fixedly fitted at both ends of the protective layer. Fastening rods, which are securely connected to the reinforcing side plates, are fixedly fitted inside the reinforcing side plates. The advantages of this invention are: by adding an isolation boss to the surface of the bearing housing, the corrosion-resistant protective layer is supported, forming a corrosion-resistant protective structure on the outside of the bearing housing. Simultaneously, the isolation cavity supported by the isolation boss forms a second layer of protection, reducing direct contact between corrosive substances and the bearing housing. Furthermore, the reinforcing side plates form a closed protective space within the corrosion-resistant protective layer, covering and protecting the bearing housing, making it less susceptible to corrosion from complex environments and improving the overall strength of the bearing housing.

This utility model relates to the field of bearing cage technology, and provides a high-speed, high-temperature resistant nylon cage for deep groove ball bearings, including a high-temperature resistant cage body; pockets equally spaced at the top of the high-temperature resistant cage body, with oil reservoirs equally spaced on the inner wall of the pockets, the three oil reservoirs being interconnected by connecting grooves, and a ball bearing rotatably connected to one end of the inner wall of each oil reservoir; symmetrically arranged oil injection holes on both sides of the bottom of the high-temperature resistant cage body, the top of each oil injection hole communicating with the interior of one of the oil reservoirs; and a sealing assembly assembled inside the oil injection holes. The high-speed, high-temperature resistant nylon cage for deep groove ball bearings provided by this solution utilizes rolling balls to change the contact between the bearing rollers and the inner wall of the pockets from surface contact to multi-point contact, reducing contact friction. Simultaneously, the oil reservoirs store a certain amount of lubricating oil, thus providing long-term effective lubrication of the bearing rollers and further reducing rotational friction.

The utility model relates to the technical field of wire harness terminals, and discloses an electrical wire harness terminal sheath, which comprises a sheath, through holes are uniformly arranged in the sheath, the inner walls of the through holes are slidably connected with terminals, the rear ends of the terminals are rotatably connected with push rods, the rear side surface of the sheath is slidably connected with flanges, and the rear side surface of the sheath is rotatably connected with the push rods. The front side of the bottom of the flange is fixedly connected with a second sliding rail, the inner wall of the second sliding rail is rotatably connected with a rotating shaft, the surface of the rotating shaft is fixedly connected with a rotating handle, the top end of the rotating handle is fixedly connected with a limiting block, the rear side of the flange is fixedly connected with a retaining piece, and the surface of the terminal is provided with a limiting mechanism. According to the utility model, by pulling the rotating handle upwards, the limiting block rotates downwards by taking the rotating shaft as the center, so that the limiting block leaves from the interior of the groove, and the connection state between the retainer and the sheath is quickly released, thereby realizing the integrated unlocking between the sheath and the retainer, and enabling the disassembly of the sheath to be faster and more convenient.

The application discloses an automobile fastener bolt and a heat treatment process thereof and belongs to the technical field of fastener bolts. The automobile fastener bolt comprises a screw rod and a nut, the inside of the screw rod is provided with a fastening device, the fastening device comprises a square groove one and a clamping block, the surface of the square groove one is arranged in the inside of the screw rod, the surface of the clamping block is fixedly connected to the inside of the screw rod, the inside of the screw rod is assembled with a barrel, the surface of the barrel is provided with a sliding groove one, the inner wall of the sliding groove one is slidably connected to the surface of the clamping block, the inside of the barrel is rotationally connected with a rotating rod, and the surface of the side, away from the rotating rod, of the limiting block is hingedly connected with a pressure plate. Through the rotation of the rotating rod in the fastening device, the limiting block, the pressure plate and the baffle on the surface are driven to rotate, the soft rubber thread block is pushed out and matched with the nut, the connection stability between the screw rod and the nut is effectively improved, and the problem that the nut is loosened on the screw rod after long-time use is prevented.

This utility model discloses a modular light steel building formwork, comprising a light steel formwork: a formwork frame and reinforcing crossbars are welded to the surface of the light steel formwork; a horizontal axis and a rectangular plate are welded to the front side of the light steel formwork; an ear block is integrally formed on the front side of the rectangular plate; a threaded rod is threadedly connected to the inner wall of the ear block; and a connector is welded to the end of the threaded rod. This utility model achieves this by bringing the light steel formwork together so that the locking block and locking slot are engaged; then, the locking slot plate is flipped and hooked onto the horizontal axis; subsequently, rotating the threaded rod drives the connector to move, causing the connector to rotate within the inner wall of the slider and drive the latter to move. The slider then applies force to the horizontal axis through the locking slot plate, thereby fixing the two light steel formworks together. This achieves the purpose of directly fixing the light steel formwork by relative force compression through the engagement and tension between the flipped locking slot and the horizontal axis, facilitating assembly operations.

The utility model relates to the technical field of aluminium veneer provides a kind of aluminium veneer of firm installation, including aluminium veneer body, the outer wall of aluminium veneer body one side is uniformly fixed with longitudinal reinforcing rib, adjacent the longitudinal reinforcing rib between uniformly fixed with reinforcing structure, the reinforcing structure includes transverse reinforcing rib, limit stop and fixed bolt, the transverse reinforcing rib is uniformly set in aluminium veneer body near the side of longitudinal reinforcing rib.The utility model is provided with reinforcing structure, transverse reinforcing rib and longitudinal reinforcing rib form grid structure, can significantly improve the bending stiffness of aluminium veneer body when using, prevent wind pressure deformation, limit stop is locked with longitudinal reinforcing rib by fixed bolt, ensure reinforcing rib spacing uniform, avoid misplacement, guarantee the stability of connection, realized the device has the function of strengthening aluminium veneer body conveniently, improved the stability of this aluminium veneer of firm installation when using.

The invention relates to a tray for conveying battery cells, which adopts a double-layer hollow wall structure for minimizing a left-right gap in a manner of fastening an upper-layer battery cell and a lower-layer battery cell when the tray for conveying the battery cells is loaded in multiple layers. And a rib structure for preventing foreign matters generated when the tray for conveying the battery core is fastened up and down from entering the battery core placing part is adopted, so that the safety, reliability and the like in the carrying process can be improved by preventing the foreign matters from entering and the battery core from being damaged when the secondary battery is transported.