51results about How to "Improve the smoothness of movement" patented technology

The invention belongs to the technical field of microwave and millimeter wave testing, relates to the reflectivity testing of wave absorptive materials of microwave and millimeter wave, and provides a testing device that measures the reflectivity of the wave absorptive materials according to an arc method. Compared with existing reflectivity testing devices of the wave absorptive materials with arc methods, the invention provides an arc rail that consists of a first ally arm (7) shaped like a character '7' and a second ally arm (8) and can rotate around a rotating shaft of an electric rotating motor (12). When utilized in the reflectivity measurement of different incident angles, the testing device has ultra-convenient angle control and fixed radiuses of the ally arms, and can reduce the testing error that is caused by radius change. After adopting the structure that is shaped like the character '7', the testing device has reduced volume, and consequently can effectively reduce the disperse emission that is caused by an antenna fixing frame, raises measuring precision, and is convenient for loading, unloading, transportation and storage.

The invention provides a three-axis numerical control stone circular bottom arc edging machine, which relates to the technical field of numerical control machine tools. The three-axis CNC stone circular bottom arc edging machine includes a work platform, a single-arm beam and an edging machine head; the work platform is horizontally arranged and can move along the left and right length directions; the single-arm beam is horizontally set on the work platform In the sky above, the length direction of the single-arm crossbeam is perpendicular to the length direction of the work platform; the edging machine head is arranged on the single-arm crossbeam, which can not only move in the vertical direction, but also move along the single-arm crossbeam. Movement along the length of the beam. The three-axis CNC stone circular bottom arc edging machine of the present invention uses the edging machine head that can move up and down and along the length direction of the single-arm beam, and cooperates with the independent movement of the working platform to realize the rapid operation of the three degrees of freedom of the edging machine. Adjustable, efficient and accurate round-bottom arc grinding of stone.

The invention provides a virtual object movement behavior control method and device and electronic equipment, and relates to the technical field of man-machine interaction. The control method comprises the steps of obtaining a second virtual object with an interference relationship with a first virtual object; obtaining a first state vector of the first virtual object and a second state vector ofthe second virtual object; predicting a target movement result of the first virtual object based on the first state vector, the second state vector and a pre-trained neural network model, wherein thetarget movement result comprises a target movement direction angle and a target movement speed corresponding to the target movement direction angle; and controlling the first virtual object to move according to the predicted target movement result. According to the method, the naturalness of movement interaction between the virtual objects can be improved, and the performance of the first virtualobject in terms of the movement smoothness, the social rule consistency, the naturalness and the like is effectively improved.

The invention discloses a hydrodynamic journal bearing which comprises a main shaft, a shaft sleeve, a bearing outer shell and two sealing end covers. A plurality of oil cavities are evenly distributed in the inner wall of the shaft sleeve, the main shaft is arranged in the middle of the shaft sleeve in a penetrating mode, the bearing outer shell is arranged on the outer side of the shaft sleeve in a sleeving mode, a working cavity is formed between the bearing outer shell and the shaft sleeve, a driving disc is arranged in the working cavity, a plurality of driving blocks are arranged on one side of the driving disc in a sliding mode, and an adjusting plate is arranged at the end, penetrating through a preformed hole in the shaft sleeve, of each driving block. According to the hydrodynamic journal bearing provided by the invention, the pressure of compressed air injected into air holes is adjusted. The driving disc can be controlled to reciprocate in the horizontal direction, so that all the driving blocks are driven to synchronously contract inwards or expand outwards in the direction perpendicular to the main shaft, the adjusting plate is driven to reciprocate, a gap between each oil cavity and the main shaft is changed, the thickness of an oil film is adjusted, the machining requirements of different products are met, the machining precision is improved, and the service life is prolonged.

The invention discloses a machining machine and machining method for manufacturing plastic steel tiles and relates to the technical field of plastic steel tile machining and manufacturing. The machinecomprises a base. A square plate horizontally fixed to the ground is adopted as the base. A supporting plate erected to the base is fixed to the top end of the base. A top supporting plate arranged horizontally is fixed to the top end of the supporting plate. A sliding groove of a V-shaped structure is formed in the bottom end face of the top supporting plate. The sliding groove is perpendicularto the supporting plate. A sliding base is embedded into the sliding groove in a sliding fit manner. A hydraulic cylinder is fixed to the bottom end of the sliding base. An adjusting assembly is fixedto the bottom end of a piston rod. A connecting rod is installed at the bottom end of the adjusting assembly. According to the machine, the adjusting assembly is arranged on the connecting portion ofthe piston rod and the connecting rod, a rack can be rotated by 90 degrees through the adjusting assembly, under the circumstance that the plastic steel tiles cannot be moved, the plastic steel tilesare cut transversely and longitudinally, and accuracy of tailoring the plastic steel tiles is improved.

The invention discloses a pile hole casting adjustment structure which comprises a roller and two columns. A feeding pipe is communicated with a flow way, a cavity communicated with the flow way is formed in the roller, two small holes are formed in the outer circumferential wall of the roller, and each small hole is connected with a casting pipe. A buffer cavity is formed in a casting head in theperipheral direction of the casting head, two casting holes are formed in the upper surface of the casting head and are connected with the casting pipes, multiple grooves are formed in the lower surfaces of the casting holes, through holes are formed in the bottoms of the grooves, partition plates are fixed to the walls of the grooves, universal balls are arranged on the partition plates, the upper ends of adjusting pipes penetrate through the middles of the universal balls, and two ends of a hose are connected with the bottom of the buffer cavity and the upper ends of the adjusting pipes. After a concrete pile sinks, concrete grout is injected into a pile hole, excessive concrete grout is extruded out of the pile hole, concrete grout waste is avoided, and meanwhile overflowing concrete grout is prevented from polluting the environment or a construction period is prevented from being prolonged.

The invention discloses a needle bed device of a flat knitting machine and the flat knitting machine, and belongs to the technical field of flat knitting machines. The needle bed device comprises needle beds and inserting pieces, needle grooves are formed between the adjacent inserting pieces, lower knitting needles and lower needle jack pins are arranged in the needle grooves, conversion needle pins are arranged between the lower knitting needles and the lower needle jack pins, partition plates are further arranged in the needle grooves, upper knitting needles are arranged at the tops of thepartition plates, the rear ends of the upper knitting needles are connected with upper needle jack pins, push pieces are arranged at the bottoms of the upper needle jack pins, transition needle pins are arranged at the bottoms of the push pieces, the front ends of the conversion needle pins can be matched with the lower knitting needles or the transition needle pins, the lower needle jack pins candrive the lower knitting needles to move front and back through the conversion needle pins, and the lower needle jack pins can further drive the upper needle jack pins to swing upwards through the conversion needle pins, the transition needle pins and the push pieces. The number of the needle beds does not need to be increased, and assembly requirement of the needle bed device is reduced. The switching of the operation of the upper knitting needles and the lower knitting needles can be realized through the matching of the conversion needle pins, the transition needle pins and the push pieces,and the structure of the needle bed device is favorably simplified.

The invention relates to a car lamp steering system driving device. The car lamp steering system driving device is characterized by comprising a base, a lamp support, a stepper motor assembly, a movable piece and a rotating rocker arm. The lamp support is connected with the base in a pivot mode, the stepper motor assembly is arranged on the base and provided with an output screw shaft, the output screw shaft can rotate but can not move along the axial direction, the movable piece is provided with a main body and a connecting part, the main body is meshed with the output screw shaft, the rotating rocker arm is provided with a first end and a second end, the first end is fixed on a lamp support, and the second end is connected with the connecting part of the movable piece. Due to the fact that the output screw shaft of the stepper motor assembly is transmitted in a rotating movement mode and fixed on a supporting part on the base, and thus the moving stability of the movable piece is greatly improved.

The invention discloses a full-automatic intelligent plate rolling machine with a side guide material blocking mechanism, which comprises a supporting device, a forming device, a limiting device, grinding devices and a guiding device, wherein the forming device is connected with the supporting device, the supporting device comprises a base and a supporting seat, one side of the supporting seat is fixedly connected with one side of the base, the limiting device is connected with the supporting seat; the two grinding devices are symmetrically arranged on the upper side of the supporting seat and located on the two sides of the workpiece conveying direction, the guiding device is connected with the supporting seat, each grinding device comprises a grinding wheel, a driving motor and a grinding wheel support, the bottom side of each grinding wheel support is fixedly connected with the upper side of the supporting seat, wheel shafts are arranged on the two sides of each grinding wheel, and two through holes are symmetrically formed in each grinding wheel support; the grinding wheels are rotatably connected with the grinding wheel supports through wheel shafts; one side of each driving motor is fixedly connected with the supporting seat, the output end of the driving motor is in transmission connection with the grinding wheel through the wheel shaft, and the grinding wheel makes contact with the side edge of a workpiece.

The invention relates to a cutting machine. The cutting machine comprises a base, a sliding assembly and a cutting assembly. A die holder is arranged on the base. Two guide blocks are arranged on the die holder in a protruding manner. A cutting space is formed between the two guide blocks. Two guide rails are arranged on the base in a protruding manner. The sliding assembly comprises a supporting body and two sliding blocks. Two sliding portions extend from the side, facing the die holder, of the supporting body in a protruding manner. The cutting assembly comprises a cutting wheel, a first driving piece and a second driving piece. The installation portion is arranged at the bottom of the supporting body in a protruding manner. The installation portion is arranged on one side of the sliding portion. The cutting assembly further comprises a crawler belt. The second driving piece comprises a drive body and a winding rod. Multiple winding fins are arranged on the winding rod at intervals. The crawler belt is partially wound around the winding rod. The cutting wheel of the cutting machine can stably move.

The present invention discloses a novel aquatic product sorting machine. A structure of the novel aquatic product sorting machine comprises an aquatic product material feeding hopper, an alarm, an alarm bracket, an aquatic product sorting box, an aquatic product ice-melting and dampness-removing mechanism, a sorting box bracket, a sorting box controller, a first material discharging hopper, a second material discharging hopper, and a weighing and sorting room. The aquatic product material feeding hopper is connected with one side of an upper end surface of the aquatic product sorting box, thealarm bracket is connected with one side of the upper end surface of the aquatic product sorting box, the alarm is electrically connected with an upper end surface of the alarm bracket, the aquatic product ice-melting and dampness-removing mechanism is arranged on an inner surface of the aquatic product sorting box, and the weighing and sorting room is also arranged on an inner surface of the aquatic product sorting box. By arranging the aquatic product ice-melting and dampness-removing mechanism, the novel aquatic product sorting machine can automatically perform an ice-melting and dampness-removing treatment of aquatic products in use, prevents sorting effects of the device affected by different weight of the aquatic products after freezing, and is strong in practicability.

The invention discloses an air outlet assembly of an air conditioner and the air conditioner. The air outlet assembly comprises an air channel assembly, an air outlet frame and a plurality of guide assemblies, wherein a first flow channel is arranged in the air channel assembly; the air outlet frame is movably arranged on the air channel assembly in a first direction, and an air outlet channel communicating with the first flow channel is arranged in the air outlet frame; and the plurality of guide assemblies are distributed on the two sides of the air outlet frame in a second direction perpendicular to the first direction, each guide assembly comprises a first guide piece and a second guide piece sliding relatively, each first guide piece is arranged on the air outlet frame, and each second guide piece is arranged on the side wall of the air channel assembly. According to the air outlet assembly of the air conditioner and the air conditioner, the guide assemblies are separately arranged on the two sides of the air outlet frame, and when the air outlet frame moves on the air channel assembly, the air outlet frame is guided by the plurality of guide assemblies, so that the air outletframe is prevented from tilting in a moving process, the moving stability of the air outlet frame is improved, and that the moving track of the air outlet frame is not deviated is ensured.

The invention discloses a portable safety inspection tool box. The portable safety inspection tool box comprises a lower box body, wherein a partition plate is arranged in the lower box body; fixing rods are fixedly connected to the top surface of the partition plate and the bottom surface of the interior of the lower box body; compression sleeves are arranged at the top ends of the fixing rods; springs are arranged in the compression sleeves; the top ends of the fixing rods extend into the compression sleeves and make contact with the bottom ends of the springs; and the compression sleeves are cylinders with smooth outer surfaces. According to the portable safety inspection tool box, the fixing rods are additionally arranged in the lower box body and at the top end of the partition platerespectively, electronic equipment correspondingly presses the compression sleeves through rubber sleeves according to the area of the electronic equipment, the compression sleeves compress the springs, and the electronic equipment slides downwards along the surfaces of the fixing rods, the tool box can be matched with different electronic equipment, and the practicability of the tool box is improved; and meanwhile, in the using process of the electronic equipment, dust is inevitably adsorbed, the adsorbed dust is brought into the lower box body, the compression sleeves are connected to the fixing rods in a sleeved mode, the situation that the dust enters the compression sleeves can be effectively reduced, and the moving smoothness of the compression sleeves on the fixing rods can be further improved.

The invention provides an automatic food delivery device. The automatic food delivery device comprises an end effector, a three-degree-of-freedom cylindrical coordinate manipulator and a magnetic guide wheel type mobile module, wherein the end effector is provided with a plate storage rack, a pallet fork mechanism and a pinion and rack pushing plate mechanism; the three-degree-of-freedom cylindrical coordinate manipulator comprises an R-axis for linear motion, a Z-axis, and a phi-axis for rotation motion; and the magnetic guide wheel type mobile module comprises a driving walking unit, a navigation positioning unit and a safety protection unit. The automatic food delivery device has the advantages of stable work in the post, no turnover of personnel, high work intensity, great numbers of single-loaded plates, and high stability in movement; according to the device, traditional pantry helpers are replaced, the problems such as high turnover rate of the traditional pantry helper personnel and high labor costs are solved, and the basic food delivery service in a plurality of restaurants is steadily guaranteed.

The ball valve capable of improving the sealing performance comprises a valve body, the top of the valve body is fixedly connected with a valve cover, the top of the valve cover is rotationally connected with a hand wheel, the bottom of the hand wheel is provided with a valve rod used in cooperation with the valve cover, and the bottom of the valve rod is fixedly connected with a spherical valve element used in cooperation with the valve body. By arranging a sealing structure, through cooperation of an annular sealing groove, a main sealing ring and an auxiliary sealing ring, the sealing function of a secondary sealing piece can be achieved in the two sets of mounting flange plates, the compression resistance of the interiors of the two sets of mounting flange plates is improved, and then through cooperation of an elastic ball, an arc-shaped abutting-against base, an elastic cushion, a sliding base and a circular abutting-against head, the sealing effect is improved. The impact stress between the main sealing ring and the auxiliary sealing ring can be elastically counteracted, deformation damage caused by stress between the main sealing ring and the auxiliary sealing ring is avoided, the overall sealing effect in the two sets of installation flange plates is directly enhanced, and therefore the overall installation sealing performance between the two sets of installation flange plates and the water inlet pipe and the water outlet pipe is further improved.

The invention discloses a building construction transportation hanging basket. The building construction transportation hanging basket comprises a hanging basket body, wherein a hanging basket cavity with an upward opening is formed in the hanging basket body, self-lubricating devices are symmetrically arranged on the left side and the right side of the upper portion of the hanging basket cavity, and each self-lubricating device comprises cam cavities symmetrically formed in the left side and the right side of the upper portion of the hanging basket cavity; sliding plates are arranged in the cam cavities in an up-down sliding mode, L-shaped blocks which are symmetrical left and right and extend upwards to the outside of the hanging basket body are fixedly arranged on the upper end faces of the sliding plates, a lubricating semicircular plate is fixed between the upper ends of the L-shaped blocks, and a lubricating oil cavity is formed in the lubricating semicircular plate; and oil outlet balls which are arranged between the lubricating oil cavity and the outside in a communicating mode are arranged on the circumference of the inner circle side of the lubricating semicircular plate, supporting plates which are symmetrical left and right and located between the L-shaped blocks on the left side and the right side are fixedly arranged on the upper end face of the hanging basket body, a clamping semicircular plate is fixedly arranged at the upper ends of the supporting plates, and rolling balls are arranged on the circumference of the inner circle side of the clamping semicircular plate in a rotating mode. According to the building construction transportation hanging basket, the surface of a lifting cable can be automatically lubricated, the phenomenon that the hanging basket is clamped in the air is avoided, and the moving smoothness of the hanging basket is improved.

The invention discloses high-performance and safe urban comprehensive corridor power distribution equipment, which comprises a power distribution cabinet body, a first mounting frame and a second mounting frame are sequentially arranged in an inner cavity of the power distribution cabinet body from front to back, and mounting plates are fixedly connected to inner cavities of the first mounting frame and the second mounting frame from top to bottom in sequence. Wire holders are sequentially arranged on the surface of the mounting plate from left to right, an adjusting mechanism matched with the first mounting frame and the second mounting frame for use is arranged on the rear side of the inner cavity of the power distribution cabinet body, and an electric push rod provides a driving source through the adjusting mechanism; through cooperation of a limiting sliding groove, a limiting sliding frame, a push-pull rod, an auxiliary sliding groove, an auxiliary sliding block and a connecting rod, when internal parts of the power distribution cabinet body are damaged and broken down, the first mounting frame and the second mounting frame are synchronously expanded and adjusted outwards, the maintenance work space between the first mounting frame and the second mounting frame is expanded, and the maintenance efficiency is improved. Therefore, maintenance personnel can quickly maintain and replace the internal parts of the power distribution cabinet body.

The invention relates to a car lamp steering system driving device. The car lamp steering system driving device is characterized by comprising a base, a lamp support, a stepper motor assembly, a movable piece and a rotating rocker arm. The lamp support is connected with the base in a pivot mode, the stepper motor assembly is arranged on the base and provided with an output screw shaft, the output screw shaft can rotate but can not move along the axial direction, the movable piece is provided with a main body and a connecting part, the main body is meshed with the output screw shaft, the rotating rocker arm is provided with a first end and a second end, the first end is fixed on a lamp support, and the second end is connected with the connecting part of the movable piece. Due to the fact that the output screw shaft of the stepper motor assembly is transmitted in a rotating movement mode and fixed on a supporting part on the base, and thus the moving stability of the movable piece is greatly improved.

The invention provides a paper pulp product recycling treatment system and a treatment method. The invention relates to the technical field of paper product recycling. The paper pulp product recyclingtreatment system comprises a rack, a switch blade rack erected at the top end of the rack is arranged in the middle of the top end of the rack, a hydraulic cylinder is fixedly installed at the top end of the switch blade rack, a piston rod extends downwards from the bottom end of the hydraulic cylinder, and two parallel first switch blades are fixedly installed at the bottom end of the piston rod; a V-shaped sharp corner of a V-shaped structure is formed in the outer circle face of the top end of a pushing poking wheel; raised anti-skid ribs are symmetrically arranged on two sides of the V-shaped sharp corner; ach anti-skid rib are provided with bent arc-shaped structures at the two sides of the V-shaped sharp corner, the anti-skid ribs are used for supporting protruding bags at the bottom of a paper pulp egg tray, the placing firmness of the paper pulp egg tray is improved, the friction force making contact with the bottom of the paper pulp egg tray is increased through the anti-skidribs, and the moving stability of the paper pulp egg tray on the pushing poking wheel is improved.

The invention discloses a method for optimizing the repair of local casting defects on inner and outer surfaces of pump bodies, and relates to the technical field of pump body processing equipment. The method comprises the following steps of: step 1. detecting the appearance of the pump bodies, rotating the pump bodies repeatedly by manually holding the pump bodies for the detection of the outer surfaces of the pump bodies, and observing the outer surfaces of the pump bodies by naked eyes; and screening out the pump bodies with cavities and cracks on the outer surfaces; step 2. storing separately, to be specific, separating the pump bodies with the cavities and cracks on the surfaces in step 1 from the pump bodies with the undamaged surface for storage, and waiting for the defect repair inthe later stage; and step 3. detecting the inner cavities of the pump bodies, and filling fluid into flow channels of the pump bodies for the inner surfaces of the pump bodies by adopting a sealing detection device, and sealing for 5-10S. According to the method, a sliding block is connected to a sliding chute in a sliding fit manner, a driving lever is used for pushing the sliding block to stably move in the sliding chute, so that the placement stability of the pump body on the top of the sliding block is improved, and the installation firmness of the pump bodies in the process of feeding and return is improved.

The invention provides a tower crane for a laboratory. The tower crane comprises a guide rail, a cross beam frame, a connecting hollow pipe, a tower box, a detachable panel, a servo motor, a roller, abearing, a rack plate and a gear, wherein the right side of the guide rail is provided with the cross beam frame, the connecting hollow pipe is installed on lower end face of the cross beam frame, the tower box is installed on lower side of the connecting hollow pipe, the detachable panel is installed on front end face of the tower box, the servo motor is mounted on the upper side of the guide rail, the roller is mounted on the left end face of the cross beam frame, the bearing is mounted on the right side of the roller, the gear is mounted on the lower side of the servo motor, and the rack plate is mounted on the right side of the gear. According to the tower crane for the laboratory, the problems that an existing tower crane is insufficient in function, inconvenient to use and low in moving speed can be solved, and the tower crane is reasonable in structure, complete in function and good in using effect.

The invention discloses a viable bacterium cultivation and inspection device for medical inspection, the viable bacterium cultivation and inspection device comprises a storage bin, cushion blocks, a blocking door plate, a handle, an observation plate, a side limiting assembly, a clamping bin and a bottom supporting assembly, the cushion blocks are symmetrically arranged below the storage bin, and the blocking door plate movably penetrates through a front panel of the storage bin; the clamping bin is arranged in the storage bin and arranged on the back face of the blocking door plate, the bottom supporting assembly is arranged on the bottom face of the inner wall of the storage bin and arranged below the clamping bin, the side limiting assemblies are symmetrically arranged on the side faces of the inner wall of the storage bin and arranged on the outer side face of the clamping bin, and the observation plate penetrates through the center of the top of the storage bin. The invention belongs to the technical field of medical examination, and particularly relates to a viable bacterium cultivation and examination device for medical examination.

The invention relates to a cutting machine. The cutting machine comprises a base, a sliding assembly and a cutting assembly. A die holder is arranged on the base. Two guide blocks are arranged on the die holder in a protruding manner. A cutting space is formed between the two guide blocks. Two guide rails are arranged on the base in a protruding manner. The sliding assembly comprises a supporting body and two sliding blocks. Two sliding portions extend from the side, facing the die holder, of the supporting body in a protruding manner. The cutting assembly comprises a cutting wheel, a first driving piece and a second driving piece. The installation portion is arranged at the bottom of the supporting body in a protruding manner. The installation portion is arranged on one side of the sliding portion. The cutting assembly further comprises a crawler belt. The second driving piece comprises a drive body and a winding rod. Multiple winding fins are arranged on the winding rod at intervals. The crawler belt is partially wound around the winding rod. The cutting wheel of the cutting machine can stably move.

The invention discloses a fully automatic intelligent plate rolling machine with a side guide blocking mechanism, comprising a supporting device, a forming device, a limiting device, a grinding device and a guiding device, the forming device is connected with the supporting device, and the supporting device comprises a base and Support seat, one side of the support seat and one side of the base are tightly connected, the limit device is connected to the support seat, two grinding devices are symmetrically arranged on the upper side of the support seat, the grinding devices are located on both sides of the workpiece transmission direction, the guide device and the support seat Connection, the grinding device includes a grinding wheel, a drive motor and a grinding wheel bracket. The bottom side of the grinding wheel bracket and the upper side of the support seat are tightly connected. There are wheel axles on both sides of the grinding wheel. Two through holes are symmetrically arranged on the grinding wheel bracket. The grinding wheel passes through the wheel axle. It is rotatably connected with the through hole of the grinding wheel bracket, one side of the driving motor is firmly connected with the support seat, and the output end of the driving motor is connected with the grinding wheel through the axle, and the grinding wheel is in contact with the side of the workpiece.

The invention provides a limiting and fixing auxiliary mechanism suitable for liver targeted drug therapy. The limiting and fixing auxiliary mechanism comprises side supporting tables, and the side supporting tables are fixedly connected to the two ends of a bearing lying plate; a side guide frame is fixedly connected to the inner surfaces of the two side supporting tables, the side guide frame comprises two side guide plates, the two side guide plates are arranged on the upper side and the lower side of an opening of the side guide frame respectively, and guide racks are further arranged on the side guide plates; movable control plates are connected to the side guide frame in a sliding manner; the two ends of a supporting cross beam are fixedly connected with the inner surfaces of the two movable control plates correspondingly, a longitudinal frame is movably connected to the supporting cross beam; a lifting pull plate is connected below a plate body of the longitudinal frame in a sliding manner; and a balancing frame is rotationally connected to the lower end of the lifting pull plate through a bearing. According to the limiting and fixing auxiliary mechanism, the gravity compression of detection equipment on the detection position of a patient can be reduced, and the detection comfort and the moving stability of the detection equipment are improved.

The invention belongs to the field of indoor furniture, particularly relates to a novel double bed convenient to assemble and disassemble, and aims to solve the problems that an existing bed body is fixed in structure, the use form of the bed body cannot be switched between a single bed and a double bed, and different use requirements cannot be met, the following scheme is provided: the novel double bed comprises a bottom plate, and a back plate is fixedly mounted on one side of the bottom plate; and two bed bodies are slidably mounted at the top of the bottom plate, a fixing cavity is formed in the back plate, two moving holes are formed in one side of the fixing cavity, moving seats are slidably mounted in the two moving holes, one ends of the two moving seats are fixedly mounted on the two bed bodies respectively, and threaded holes are formed in one sides of the two moving seats. Threaded rods are rotationally mounted on the inner walls of the two sides of the fixing cavity correspondingly. The novel double bed is reasonable in structure and convenient to operate, the structure of the bed body is flexible and adjustable, the use form of the bed body can be switched between a single bed and a double bed, and different use requirements can be met.

The invention provides a limiting device for steel pipes in an automatic assembly line of the steel pipes, and belongs to the technical field of machinery. The problem that stability is not high in the prior art is solved. The limiting device for the steel pipes in the automatic assembly line of the steel pipes is arranged at a workbench, and comprises a sliding block, a guide rod, a limiting block and a driving part, the guide rod is in a long rod shape, the sliding block is connected to the guide rod, the driving part is fixedly connected to the workbench and connected with the sliding block, and the limiting block is fixedly connected to the upper portion of the sliding block. The limiting device for the steel pipes in the automobile assembly line of the steel pipes is high.

The invention relates to the technical field of life, and discloses an efficient portable flood control emergency pump which solves the problems that an emergency pump is low in working efficiency and poor in portability. The efficient portable flood control emergency pump comprises a supporting plate and a pump body, wherein the pump body is installed at the top end of the supporting plate; supporting seats are symmetrically arranged at the bottom end of the supporting plate; moving wheels are arranged on the two sides of the bottom end of each supporting seat; a driving wheel set is arranged in the middle of the bottom end of the supporting plate; first through grooves are symmetrically formed in the supporting plate; water pumping pipes extending into the pump body are inserted into the first through grooves in a penetrating mode; filtering mechanisms are arranged in the two water pumping pipes; a water outlet is formed in the middle of the top end of the pump body; and a protection box is arranged on one side of the pump body. By arranging the supporting plate, the pump body, the water outlet, the protection box, the water pumping pipes, a sealing box, a sealing pipe, a rotating shaft, a motor, a first bevel gear, an impeller, a connecting shaft, a second bevel gear and a third bevel gear, double water pumping operation of the pump body is conveniently achieved, and the water pumping efficiency of the pump body is effectively improved.