216results about How to "Play a limiting effect" patented technology

The invention discloses an overturning assembly for PCB detection, and relates to the field of PCB detection. The overturning assembly for PCB detection comprises a detection unit and a rotating unit, the detection unit comprises a base, a detection platform and a conveying channel, the detection platform and the conveying channel are fixedly arranged above the base, and the conveying channel is located between the detection platform and the rotating unit. According to the overturning assembly for PCB detection, the positioning mechanisms are used for limiting the two ends of the PCB, the PCB can be limited in cooperation with the multiple positioning wheels, when a driving motor works, a first transmission strip and a second transmission strip can be driven to rotate, and then overturning of the PCB is achieved; after the PCB is overturned, the first transmission shaft and the second transmission shaft are utilized again to transfer the PCB into the conveying channel, and then the PCB enters the detection platform to be detected on the other side, so that a rapid and automatic continuous overturning and detection process can be formed, and the detection efficiency of the PCB is greatly improved.

The utility model relates to a molten iron injection device for pig iron casting. The molten iron injection device comprises an installation base, an installation frame and a supporting frame are arranged at the top of the installation base, a ladle is rotationally connected to the installation frame, universal wheels are arranged at the bottom of the installation base, a transmission motor is arranged at the top of the supporting frame, and an output shaft of the transmission motor is fixedly connected with a wire pile. According to the molten iron injection device for pig iron casting, by arranging the limiting assembly and the limiting unit, the effect of limiting a ladle can be effectively achieved in the using process of the molten iron injection device, so that it is guaranteed that the molten iron injection device can be transferred more stably in the casting process, and the situation that molten iron in the molten iron injection device is splashed out is avoided. By arranging the supporting frame and arranging the transmission motor and the wire pile on the supporting frame, a good traction effect can be achieved on the ladle through the traction rope, a worker can conveniently topple over the ladle in the casting process, and the situation that the worker needs to manually topple over the ladle is avoided.

The utility model relates to the technical field of bearing processing, and discloses a cooling device for bearing production and processing, which comprises a cooling bin, a support plate and a pressure relief pipe, the support plate is fixedly connected to the top of the cooling bin, the pressure relief pipe is fixedly connected to the outer wall of the cooling bin, and the outer wall of the support plate is provided with a gas conveying assembly. And a placing assembly is arranged in the cooling bin, the placing assembly is composed of a placing unit and a limiting unit, the placing unit is located in the cooling bin, and the limiting unit is located in the cooling bin. According to the cooling device for bearing production and processing, the cooling box and the fan are arranged, operation of the cooling box and operation of the fan are controlled, the fan can pump out low-temperature air in the cooling box through the conveying pipeline and the three-way valve and convey the low-temperature air into the cooling bin, so that a bearing is cooled, the cooling effect is guaranteed, and meanwhile the service life of the bearing is prolonged. And the bearing does not need to be dried subsequently, so that the working efficiency is improved.

The utility model relates to the technical field of electrical engineering, and discloses an electrical engineering pipeline connection protection device which comprises a first pipeline and a second pipeline, the second pipeline is arranged on the right side of the first pipeline, a connecting assembly is arranged on the outer wall of the first pipeline, a protection assembly is arranged on the outer wall of the second pipeline, and the connecting assembly is composed of a sealing unit and a supporting unit. The sealing unit is located on the outer wall of the first pipeline, the supporting unit is located on the outer wall of the first pipeline, the sealing unit comprises a threaded pipe, an extending pipe and an outer ring, and the threaded pipe is fixedly connected to one end of the first pipeline. According to the electrical engineering pipeline connection protection device, the threaded pipe, the outer ring and the semicircular ring are arranged, the first pipeline and the second pipeline can be connected in a sliding mode, then the outer ring is rotated, the outer ring is made to rotate on the outer wall of the threaded pipe and move to the outer wall of the second pipeline, and therefore installation between the first pipeline and the second pipeline is completed, and then the outer ring is moved; and the clamping ring is clamped with the semicircular ring, so that the outer ring can be limited.

The present invention relates to the technical field of milling cutter processing equipment, and specifically to a telescopic adjustable T-type milling cutter and its fixing assembly, including a main shaft, a threaded column is installed on the bottom wall of the main shaft, a plurality of secondary limit grooves are opened at the bottom of the threaded column, a tool end reinforcement unit for reinforcing the tool handle port is provided at the bottom of the main shaft, and a tool middle reinforcement unit for reinforcing the middle part of the tool handle is provided at the bottom of the tool end reinforcement unit for reinforcing the middle part of the tool handle. The present invention realizes the rotational movement between the inner ring gear plate, the long column gear and the gear rack by setting the torsion between the bolt-type turntable and the threaded column, thereby realizing the purpose of reinforcing tool handle parts of different diameters, and also realizing the installation or disassembly between the threaded column and the bolt-type turntable. Compared with the existing method of clamping the milling cutter rod by an elastic chuck tube, the present invention is more convenient and stable, and the present invention further improves the reinforcement effect of the tool handle part by double pressing the upper section of the tool handle by the arc pressing part and the limit pressing part.

The invention discloses coal mine roadway dust prevention and dust fall equipment based on coal mining, and relates to the field of dust prevention and dust fall for coal mine roads.The coal mine roadway dust prevention and dust fall equipment comprises a coal mine roadway body, a water tank is mounted at the top of the coal mine roadway body, a rainwater grate is mounted at the bottom of an inner cavity of the coal mine roadway body, and mounting boxes are symmetrically mounted on the two sides of the rainwater grate; a storage frame is installed at the top of an inner cavity of the coal mine tunnel body, a dustproof net is wound in an inner cavity of the storage frame, draft fans are symmetrically installed on the two sides of the inner cavity of the coal mine tunnel body, first driving assemblies are arranged on the back faces of the draft fans, and second driving assemblies are symmetrically installed on the two sides of the back face of each first driving assembly. A rotating handle is mounted at the bottom of the front of the second driving component. The coal mine tunnel dust prevention and fall equipment based on coal mining can be used for a coal mine tunnel, dust can be removed through spraying, an induced draft fan and a dust screen, and the working environment of the coal mine tunnel can be effectively guaranteed.

The utility model relates to the technical field of thread shooting nails, and discloses a self-fixing pointed-end thread shooting nail which comprises a shooting nail body, threads are arranged on the outer side of the shooting nail body, a pointed-end block is fixedly connected to one end of the shooting nail body, two limiting grooves are formed in the outer side of the pointed-end block, a gasket is arranged outside the pointed-end block in a sleeved mode, and the pointed-end block is fixedly connected with the other end of the shooting nail body. A gasket is fixedly connected to one end of the shoot nail body, a plurality of guide pieces are fixedly connected to the periphery of the gasket, two limiting blocks are fixedly connected to the inner side of the gasket, a tail end block is fixedly connected to the other end of the shoot nail body, and an impact ring is fixedly connected to the outer side of the tail end block. According to the nail gun, the limiting block is matched with the limiting groove, so that the gasket can be more stably arranged on the periphery of the pointed block in a sleeving mode, the gasket can play a buffering role and play a sealing role after ejection, the guide piece makes contact with the nail gun in the gun bore of the nail gun, the limiting effect is achieved, and the nail main body is kept stable when ejected.

The utility model provides a lathe fixture, which relates to the technical field of tool fixtures and comprises a disc. The disc is connected with a lathe, a fixed seat, a vertical seat and a top seat are installed outside the disc, and two movable inclined blocks are connected to the top of the fixed seat and are symmetrical. A two-way screw rod is mounted in the fixed seat, the two-way screw rod is connected with two movable inclined blocks, and the tops of the movable inclined blocks are connected with a movable seat; two clamping seats are mounted at the top of the movable seat, the two clamping seats are symmetrical, and bolts are connected into the clamping seats; the bottom of the top base is fixedly connected with a cylinder, and the end of a piston rod of the cylinder is connected with a clamping block. The two-way screw can be rotated according to the specification of the bearing seat needing to be machined, the movable inclined block is driven by the two-way screw to move, the movable inclined block drives the movable seat to move up and down, the height of the bearing seat is changed, the inner hole machining part of the bearing seat can be moved to the center of the disc, and the inner hole machining requirements of bearing seats of different specifications are better met. And the universality is high.

The invention provides an automatic plastic packaging bag production line which belongs to the field of plastic packaging bag production and comprises a conveying belt, a rotating platform, a guiding platform, a cutting platform and a cutting assembly. The cutting assembly is installed at the top of the cutting platform, and the stacking assembly is located at the top of the cutting platform. According to the plastic packaging bag cutting device, an inclined push rod and a pressing plate are arranged, when a hydraulic push rod pushes a cutting knife plate to descend, a first spring drives a moving block to move, the moving block pushes the pressing plate to descend through the inclined push rod, and the effect of pressing a plastic packaging bag downwards is achieved; therefore, the pressing plate is in contact with the plastic packaging bag before the cutting knife plate and fixes the plastic packaging bag, and the plastic packaging bag is prevented from wrinkling when the cutting knife plate cuts the plastic packaging bag.

The utility model discloses a reed punching device for relay processing, which comprises a rack, a support plate is fixed on the outer wall of one side of the rack, a vertical plate is integrally formed at one end of the support plate, a metal sheet is arranged on the outer wall of the top of the support plate, an electric telescopic rod is fixed on the outer wall of the top of the rack, and a pressing plate is fixed at the output end of the electric telescopic rod. An arc angle is arranged on the outer wall of the bottom of the pressing plate, the pressing plate is matched with the vertical plate, a stamping rod is fixed to the outer wall of the bottom of the pressing plate, a stamping hole matched with the stamping rod is formed in the outer wall of the top of the supporting plate, and an arc cavity is formed in the bottom end of the stamping rod. The electric telescopic rod drives the pressing plate to move downwards, so that the punching rod can punch a metal sheet, the vertical plate is matched with the arc angle to bend the metal sheet, punching and bending of a reed of a relay can be conducted synchronously, and the punching efficiency of the reed of the relay is improved. Therefore, the effect of improving the processing efficiency of the relay reed is achieved.

The grinding and polishing mechanism for the office equipment comprises a grinding and polishing moving trolley, a movable seat is installed at the top end of the grinding and polishing moving trolley, and a first handle is installed at one end of the movable seat. The first handle is rotated, under the action of threaded connection, the second threaded sleeve further drives the mounting base to move upwards, the limiting supporting plate abuts against the bottom of the office table, and the grinding and polishing head is driven to release the edge of the office table; the fixing block can be rotated into the fixing groove under the action of threaded connection by rotating the hand wheel, so that the locking effect is achieved, the phenomenon that the rotation of the first handle affects the operation of the mounting base is prevented, and meanwhile, the situation that the fixing block is loosened can be prevented by mounting the anti-skid teeth.

The utility model discloses a construction site electric power wiring auxiliary toolbox, which comprises a toolbox mechanism and a portable mechanism, the portable mechanism is fixedly connected to the left side of the toolbox mechanism, the portable mechanism comprises a portable box, and the top of the front side of the inner cavity of the portable box is fixedly connected with a motor assembly. The device comprises a motor assembly, the output end of the motor assembly is fixedly connected with a positive and negative tooth lead screw, the front side and the rear side of the surface of the positive and negative tooth lead screw are both in threaded connection with thread sleeve assemblies, the bottoms of the thread sleeve assemblies are fixedly connected with wheel rod assemblies, the bottoms of the wheel rod assemblies are slidably connected with trapezoidal blocks, and the bottoms of the trapezoidal blocks are fixedly connected with a connecting plate. The front face and the back face of the connecting plate are both in sliding connection with the inner wall of the portable box. According to the auxiliary tool box, a traditional carrying mode is changed, the vertical column assemblies are adopted to drive the universal wheels to move downwards, the auxiliary tool box does not need to be carried for a long time, and the carrying convenience cannot be affected.

The name of the present invention is a beam-column node connection device for an assembled reinforced concrete frame. It belongs to the field of building construction technology. It mainly solves the problem that the existing nodes directly welded may break due to excessive pressure after a long time. Its main characteristics are: it includes a first threaded sleeve and fixed blocks respectively connected to the two ends of the first threaded sleeve; a partition is provided in the middle of the inner wall of the first threaded sleeve, and the two sides of the partition are fixedly connected with a second threaded sleeve that cooperates with the connecting rod to be connected; the fixed block is a stepped cylinder composed of a first fixed block and a second fixed block, and the axis is provided with a threaded hole that cooperates with the connecting rod to be connected; the first fixed block is provided with a rotation positioning mechanism; the second fixed block is provided with an external thread that cooperates with the first threaded sleeve; a connecting mechanism is provided between the first threaded sleeve and the second fixed block. The present invention is mainly used for the connection of beam-column nodes of assembled reinforced concrete frames.

The utility model discloses a toner cartridge convenient for filling carbon powder, which relates to the technical field of toner cartridges and comprises a toner cartridge powder bin, a sealing groove is arranged on the top of the toner cartridge powder bin close to the front side, and sealing cover plates are rotatably arranged on the inner side of the sealing groove close to the left side and the right side. A toner adding opening is formed in the inner side of the toner cartridge powder bin and located at the bottoms of the two sealing cover plates, clamping frames are fixedly installed at the positions, close to the center, of the bottoms of the sealing cover plates, positioning assemblies are arranged on the inner sides of the sealing cover plates, and anti-blocking assemblies are arranged at the positions, close to the center, of the front side of the toner cartridge powder bin. The clamping frames on the two sides can be attached to the two sides of the carbon powder adding bottle, the inclination phenomenon of the carbon powder adding bottle is avoided, carbon powder is added in an auxiliary mode through the anti-blocking assembly, blocking caused by small flow in the carbon powder adding process is effectively avoided, and therefore the use efficiency and use convenience of the selenium drum easy to add powder are effectively improved.

The utility model discloses a workpiece clamping mechanism for model airplane production, which comprises a clamp mechanism and an automatic limiting mechanism, the automatic limiting mechanism is fixedly connected to the bottom of the clamp mechanism, the automatic limiting mechanism comprises an automatic limiting box, the bottom of the inner cavity of the automatic limiting box is fixedly connected with a motor assembly, and the motor assembly is fixedly connected with a motor. A first bevel gear is fixedly connected to the output end of the motor assembly, a positive and negative tooth lead screw is transversely and movably connected to the interior of the automatic limiting box through a bearing, a second bevel gear is connected to the surface of the positive and negative tooth lead screw in a sleeved mode, the bottom of the second bevel gear is meshed with the first bevel gear, and the two sides of the surface of the positive and negative tooth lead screw are both in threaded connection with screw blocks. The front face of the screw block is fixedly connected with a concave plate assembly. According to the workpiece clamping mechanism, a traditional manual operation mode is changed, the concave plate assembly is adopted to drive the clamping block to move left and right, the hands of workers cannot be accidentally injured in the clamping process, and the situation that the safety of the workers cannot be guaranteed is avoided.

The utility model relates to the field of metal processing and manufacturing, and discloses a self-centering metal part clamping device which comprises a platform and a bottom plate, the lower surface of the platform is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a sliding plate, and the outer wall of the sliding plate is slidably connected to the inner wall of the platform. A plurality of groups of clamping rods are fixedly connected to the upper surface of the sliding plate, the clamping rods are transversely arranged and distributed, the lower surface of the sliding strip is fixedly connected to the upper surface of the platform, an auxiliary centering assembly is arranged on the outer wall of the sliding plate, and an inclination adjusting assembly is arranged on the upper surface of the bottom plate. According to the centering device, the sliding plate is driven by the hydraulic cylinder to slide under the limitation of the platform, the sliding block and the sliding strip, the effect of driving the linkage rod and the synchronous plate to drive the clamping rods on the two sides to be centered is achieved, the first-stage centering and fixing effect is achieved in the using process, and meanwhile the second-stage centering and fixing effect is achieved through the auxiliary centering assembly.

The utility model relates to the technical field of charging piles, in particular to an energy storage charging device, which comprises a charging pile, an energy storage device and a power supply device, the plugging mechanism is arranged in the charging pile, and the surface of the plugging mechanism penetrates to the outside of the charging pile; the plugging mechanism comprises a bottom pushing assembly arranged in the charging pile, and a limiting assembly is arranged below the bottom pushing assembly. According to the energy storage charging device, under the action of the bottom pushing assembly, the wall where the charging end is placed can be temporarily blocked, meanwhile, when the device is cleaned, the bottom of the wall where the charging end is placed can be supported, the interior of the wall where the charging end is placed through mechanical energy can be conveniently cleaned, and the cleaning efficiency is improved. The charging end is prevented from being damaged by impurities appearing in the charging end when the charging end is placed, and the service life of the charging end is prolonged.

This utility model discloses a library lending cart, including a frame and a cart bed fixedly connected inside the frame. A transmission rod is movably connected to the inside of the cart bed via bearings. A support plate is fixedly connected to the surface of the transmission rod, and a connector is fixedly connected to the top of the support plate. Books are inserted into the inner side of the connector. The support plate can tilt and swing the connector around the transmission rod as an axis. A transmission structure is provided on the left side of the frame, which can control the rotation of a shaft. The transmission structure includes a pedal movably connected to the left side of the frame via a pin. This utility model avoids page compression and bending caused by traditional stacking by using a vertical connector to insert books, reducing the damage rate. The tilting and swinging design arranges books in a stepped pattern, with exposed spine labels, facilitating quick identification of type and quantity by administrators. Furthermore, the linkage mechanism between the transmission rod and the support plate allows for flexible switching between book storage and display states.

The utility model relates to the technical field of motor iron cores, and discloses a stable high-speed permanent magnet synchronous motor iron core, which comprises an end cover, a silicon steel shell and a connecting disc, end covers are mounted on the outer sides of the silicon steel shells through mounting bolts, positioning guide sleeves are welded to the axes of the end covers in a sleeving mode, positioning bearings are arranged in the positioning guide sleeves in a sleeving mode, circular ring limiting grooves are formed in the inner sides of the silicon steel shells, and vertical frameworks are arranged between the two silicon steel shells at equal intervals; supporting circular rings are welded to the two ends of the vertical framework and located in the circular ring limiting grooves, connecting discs are arranged on the periphery of the silicon steel shell and close to the circular ring limiting grooves, opposite-pulling screw holes are formed in the connecting discs at equal intervals, and pull rods penetrate through the corresponding opposite-pulling screw holes in the two sets of connecting discs; the high-speed permanent magnet synchronous motor iron core is convenient to quickly assemble, manpower and material resources are saved, the overall stability is high, winding processing is quick, and the stable effect of rotor rotation is improved.

This utility model discloses a die-cutting positioning structure for smart labels, including a base box, a die-cutting assembly fixedly connected to the rear top of the base box, and a label assembly disposed on top of the die-cutting assembly. Automatic positioning mechanisms are fixedly connected to the rear sides of both sides of the base box. Each automatic positioning mechanism includes two support plates, a cylinder fixedly connected to the top of each support plate, a protruding rod fixedly connected to the output end of the cylinder, a wheel plate fixedly connected to the front top of the protruding rod, a trapezoidal block slidably connected to the top of the wheel plate, and an L-shaped plate fixedly connected to the front of the trapezoidal block. The inner side of the L-shaped plate is slidably connected to the base box. This utility model die-cutting machine changes the traditional manual pressing and locking structure for positioning. It uses a vertical plate to drive a pressure plate downwards, pressing the label assembly down. This eliminates the need for manual operation of the pressing structure, increasing user convenience and hand safety while ensuring positioning efficiency.

The utility model provides a kind of corner removing machine convenient to position photo frame, it is related to corner removing machine technical field, to solve the problem that current corner removing machine cannot be positioned to photo frame auxiliary when cutting, cutting mechanism includes: main body, main body is connected with workbench by motor;Collecting groove is provided on workbench;Moving part is set in the top of workbench by spring;Handle is provided on moving part;Fixed part is set in the top of moving part;The round hole inside of fixed part is slidably installed with mounting rod;Mounting rod is connected with positioning part;Positioning part is connected with fixed part by spring. By pulling positioning part, so that positioning part drives mounting rod to move and compress spring, by placing photo frame between positioning part and top piece, positioning part is driven to clamp photo frame by the action of spring reset, so as to ensure the stability of position when cutting photo frame.

This application relates to a valve structure, including a valve body, with a valve cap and a connecting seat connected to both ends of the valve body. The valve cap is a hollow sleeve and can slide on the valve body. A cap is movably provided at one end of the valve cap, which can close the valve body. A snap-fit ​​part is provided on the valve body, which can connect with the end of the valve cap away from the cap. This application, by providing a movably connected valve cap on the valve body, and by making the valve cap hollow sleeve, allows the valve cap to move, facilitating normal inflation of the valve body. By providing a movably provided cap on the valve cap, the valve body can be closed, preventing dust and water from entering and facilitating use. Simultaneously, the snap-fit ​​part on the valve body, which can connect with the valve cap, can restrict the position of the valve cap, achieving an anti-theft and anti-loss effect.

The invention discloses a climbing robot climbing arm and a using method thereof.The climbing robot climbing arm comprises a climbing robot mechanism and a convenient assembling mechanism, the convenient assembling mechanism is fixedly connected to the top of the climbing robot mechanism and comprises a connecting plate, and the top of the connecting plate is movably connected with a rotating rod through a bearing; the surface of the rotating rod is sleeved with a disc, the front side and the rear side of the top of the disc are movably connected with connecting rods through sliding pins, the sides, away from the disc, of the connecting rods are movably connected with pin shafts through rotating shafts, the outer sides of the pin shafts are fixedly connected with battens, and the bottoms of the battens are slidably connected with the connecting plates. According to the climbing arm of the climbing robot, the traditional mode that a base plate and a machine body are connected through multiple bolts is changed, the clamping plates are directly clamped in the climbing arm assembly, single pieces do not need to be connected in sequence, the overall consumed time is not long, and the assembling convenience is not affected.

The application discloses a multi-degree-of-freedom adjusting probe array for battery module equalization detection, and relates to the technical field of battery detection.The multi-degree-of-freedom adjusting probe array comprises a base, a plurality of mounting columns are symmetrically and fixedly installed on the base, an electric telescopic rod is fixedly installed in each mounting column, a supporting frame is fixedly and jointly installed at the telescopic ends of the plurality of electric telescopic rods, a plurality of supporting frames are equidistantly clamped in the supporting frame, and a plurality of fixing cylinders are slidably installed in each supporting frame.The application solves the problem that the existing battery module accumulates position errors in the assembly link, causes small height differences in the height direction of each pole in the same module, and causes the surfaces of some battery poles to present a small inclination after welding, which leads to unstable contact between the probe and the pole, and the pole spacing, pole height and arrangement mode of battery modules of different capacities and specifications are greatly different, the common probe array cannot be flexibly adjusted, and the production line efficiency is seriously affected.

The moxibustion treatment chair comprises a bottom frame, a lying cushion fixedly connected to the top of the bottom frame, a moxibustion box fixedly connected to the bottom of the lying cushion and a through hole formed in the top of the lying cushion, the bottom of the bottom frame is fixedly connected with an angle adjusting mechanism, and the angle adjusting mechanism comprises a bottom plate. The rear side of the right side of the top of the bottom plate is fixedly connected with a small motor, the output end of the small motor is fixedly connected with a rotating rod, the left side of the surface of the rotating rod is sleeved with a first belt wheel, the surface of the first belt wheel is in transmission connection with a connecting belt, and the top of the bottom plate is transversely and movably connected with a rotating rod through a bearing; the left side of the surface of the rotating rod is sleeved with a second belt wheel. According to the moxibustion treatment chair, the phenomenon that the traditional angle cannot be adjusted so that old people cannot conveniently get on the chair is changed, the bottom frame is driven by the pulling rope to incline, the old people cannot conveniently use the treatment chair, and the convenience of the treatment chair cannot be influenced.

A maintenance structure for a PTA silo rotary valve, belonging to the field of material handling equipment technology, includes a maintenance box. Connection ports are provided on both the left and right sides of the maintenance box. A discharge connection pipe and a feed connection pipe are integrally formed with the maintenance box at each connection port. A scraper for transporting materials is installed between the feed and discharge connection pipes, and adjacent scrapers are connected by a chain. This invention, by installing a maintenance box between pipes, achieves material transport through the feed and discharge connection pipes on both sides. Simultaneously, the maintenance box allows for the shutdown and replacement / maintenance of scrapers requiring replacement. A lifting base is slidably inserted into the bottom of the maintenance box, and the lifting base, in conjunction with the auxiliary discharge port at the top, is positioned at the bottom corresponding to the connection ports on both sides. This prevents material accumulation inside the maintenance box during scraper transport.

The utility model discloses a distribution box wiring structure, which relates to the technical field of distribution box wiring, and comprises a distribution box main body, a wiring end is fixedly connected in the distribution box main body, adjusting plates are fixedly connected at two sides in the distribution box main body, and connecting plates are movably connected in the two adjusting plates. One end of the connecting plate is fixedly connected with a first clamping plate, and the other end of the connecting plate is movably connected with a second clamping plate. According to the utility model, a plurality of cables are respectively inserted into the corresponding semicircular grooves through the first clamping plates and are connected with the connecting ends, and then the screw rod is rotated, so that the second clamping plate is moved, the first clamping plates and the second clamping plate are connected, and the insertion rods are inserted into the fixing holes for fixation, thereby clamping and fixing the cables. And the exteriors of the two connecting plates are moved into the appropriate connecting grooves correspondingly, and the sliding plates are connected with the sliding grooves, so that the moving stability of the connecting plates is improved.

The utility model discloses a building column formwork supporting device, and relates to the technical field of building column formworks, the building column formwork supporting device comprises a formwork body, connecting columns are arranged outside the periphery of the formwork body, the number of the connecting columns is multiple, moving grooves are formed in the surfaces of the sides, close to the bottom face, of the connecting columns, and the connecting columns are arranged in the moving grooves. Moving grooves are formed in the surfaces of the two sides of the connecting column located between the two connecting columns, the two connecting columns are connected through a reinforcing assembly, the reinforcing assembly moves along the moving grooves, mounting notches are formed in the surfaces of one sides of the two ends of each moving groove, and each reinforcing assembly comprises a first reinforcing arm and a second reinforcing arm; according to the scheme, the problems that when existing concrete is poured, large impact force is exerted on the bottom of the formwork, the bottom formwork is prone to cracking, reinforcing is conducted in the mode that the reinforcing ribs are fixed through bolts, multiple reinforcing ribs are needed, mounting and dismounting are inconvenient, and flexibility is poor are solved.

This utility model relates to a dust collection structure for a dust collector used in laser cutting. It includes a dust collector body with a drain outlet at the bottom and a detachable sludge collection hopper installed below the drain outlet. Two retaining strips are fixed to both sides of the bottom of the drain outlet, extending along the width of the dust collector body. A rectangular mounting frame is fixed to the top of the sludge collection hopper. The mounting frame has mounting grooves on both sides that match the retaining strips. The drain outlet can be correspondingly fitted into the mounting grooves. The retaining strips have a T-shaped cross-section, and the mounting grooves are T-shaped grooves that match the retaining strips. This utility model utilizes the sliding engagement of the two retaining strips into their corresponding mounting grooves to assemble the drain outlet and the sludge collection hopper. The T-shaped cross-sections of the retaining strips and mounting grooves provide a vertical limiting effect, effectively preventing the sludge collection hopper from falling downwards. The installation of the sludge collection hopper is achieved through the sliding engagement of the retaining strips and mounting grooves, making the assembly and disassembly of the sludge collection hopper convenient and quick.