265results about How to "Guaranteed position" patented technology

The invention discloses a multi-station automatic grinding system. The multi-station automatic grinding system comprises a workbench, a conveying belt set, automatic grinding stations and a plurality of carrying discs. The automatic grinding station comprises a conveying and distributing device, a rough grinding device, a multi-station grinding device and a carrying device; the multi-station grinding device comprises four grinding devices; each grinding device is provided with a cleaning mechanism; the carrying device comprises three carrying mechanisms. Each carrying mechanism is provided with two pushing mechanisms arranged in an array mode and two displacement mechanisms. The carrying disc is provided with an automatic adjusting structure. The invention further discloses a grinding machining method. Full-automatic processing of carrying, distributing, cleaning, grinding and discharging of the carrying disc of the optical fiber head material and recycling of the product and the carrying disc is achieved; the multi-station grinding device composed of a plurality of grinding devices is used for carrying out multiple times of fine grinding processing and standby processing on the optical fiber head, so that the processing efficiency is ensured.

The utility model relates to the technical field of bogies, in particular to a high-precision railway bogie connecting rod seat assembling tool which comprises a supporting table top. A transverse adjusting mechanism used for adjusting the bogie in the X-axis direction, a longitudinal adjusting mechanism used for adjusting the bogie in the Y-axis direction and a detecting mechanism used for detecting the position of a side face datum plane on the bogie are arranged on the supporting table top. The supporting mechanism is used for supporting the datum plane of the upper top face of the bogie and limiting the bogie in the Y-axis direction, and the positioning and pressing mechanism is used for positioning and pressing a connecting rod base on the bogie. The bogie and the connecting rod seat are positioned, assembled and welded, so that welding deformation can be effectively controlled, and the location degree after welding is ensured.

The utility model discloses an interphase paper insertion machine, which relates to the technical field of automatic motor assembly equipment and comprises a workbench, a transferring mechanism for transferring iron cores, a paper insertion mechanism for inserting interphase paper into the iron cores, a carrying mechanism for carrying the iron cores and a storage mechanism for storing the iron cores. The paper inserting mechanism is provided with a limiting assembly used for limiting an iron core, the limiting assembly comprises a support, a longitudinal movement driving device, a vertical movement driving device and a movable pressing disc, the longitudinal movement driving device is installed on the support, and the vertical movement driving device is installed at the output end of the longitudinal movement driving device. The pressure plate is rotatably mounted at the output end of the vertical movement driving device; limiting in the iron core paper inserting process is achieved through the limiting assembly, iron core position deviation is prevented, and the paper inserting precision is improved; and the pressure plate is rotatably mounted at the output end of the vertical movement driving device, so that the position interference is avoided while the iron core is limited.

The invention relates to the technical field of aquaculture and discloses a water quality improving device for aquaculture. The fixed frame is fixedly connected to the right side of the culture pond; the operation assembly is fixedly connected to the interior of the culture pond. According to the water quality improving device for aquaculture, a second transmission shaft is connected with a mounting clamping ring by clamping a mounting clamping block into a clamping groove, the mounting clamping ring is clamped to the inner surface of an annular groove, stirring scraping blades are mounted on the periphery of a spraying guide pipe, a rotating motor is started to operate to drive a first transmission shaft to rotate, and the first transmission shaft is in transmission connection with the second transmission shaft through a transmission belt to rotate; the transmission shaft II drives stirring scraping blades to rotate through a mounting clamping ring, so that the medicament is fully mixed with water; the sliding block drives the protection plate to move through the transmission rod, the protection plate drives the rotating motor to move, and meanwhile, the spraying guide pipe drives the stirring scraping blade to move through the mounting clamping ring, so that the stirring scraping blade rotates while moving, the stirring range is enlarged, and the mixing efficiency is further improved.

The embodiment of the invention provides a laminboard stacking system and method, the laminboard stacking system comprises a transmission mechanism, a transverse movement alignment mechanism, a turnover mechanism and a translation stacking mechanism, a laminboard abuts against the transmission surface of the transmission mechanism, and the transmission mechanism is used for driving the laminboard to move to a carrying position. The transverse moving alignment mechanism is arranged on the conveying mechanism in a lifting mode, and when the transverse moving alignment mechanism ascends, the transverse moving alignment mechanism drives the laminboards to ascend from the carrying position and drives the laminboards to move towards the inner side of the conveying mechanism, so that the positions of the laminboards on the carrying position are the same, and stacking regularity is guaranteed. The turnover mechanism turns over the stacked first sandwich panel, and the turned sandwich panel is lifted by the translation stacking mechanism and moved to the stacking table to be stacked. And if the laminboard is not stacked for the first time, the turnover mechanism does not work, and the laminboard is directly moved to the stacking table to be stacked by the translation stacking mechanism. The upper surface and the lower surface of the sandwich board stack are inner side surfaces of the sandwich boards, so that the outer side surfaces cannot be damaged in the transportation process.

The utility model relates to the field of welding robots, in particular to a welding gun fixing frame of a welding robot. The technical problems that according to an existing welding robot, due to the fact that the welding angles of different workpieces are different, the optimal welding angle and position are difficult to provide when a limiting frame fixes a welding gun for welding, welding is uneven or the quality of a welding seam is poor, the overall welding quality is reduced, and the strength of a welding structure is affected are solved. According to the technical scheme, the welding gun fixing frame of the welding robot comprises a supporting base, a supporting assembly, an adjusting assembly and a moving assembly; the welding gun is adjusted by combining the rotating rod with the clamping block connecting sleeve rod, the welding angle of the welding gun is accurately adjusted so as to adapt to different types of welding seams and workpieces, meanwhile, the clamping block connecting rotating rod and the fixing block are fixed, the stable and reliable welding angle is kept, looseness or change is not prone to occurring, and the welding quality and stability are improved; the telescopic rod is connected with the auxiliary frame to assist in fixing the welding guns with different lengths along the inside of the sleeve rod.

The utility model provides a bucket rod rear shaft seat lifting assembly tool, which relates to the technical field of excavator assembly and comprises a pin shaft, a shaft hole used for being coaxially matched with a rear shaft seat, and a stopper detachably matched with the outer circumferential surface of the pin shaft and used for abutting against the end surface of the rear shaft seat, one end of the lifting rod is detachably connected to one end of the pin shaft, and the other end extends out of the outer circumferential surface of the pin shaft to form a lifting connecting part; the position adjusting piece comprises a position adjusting rod and a locking piece, a sliding groove is formed in the hanging rod, one end of the position adjusting rod is installed in the sliding groove through the locking piece, and the position adjusting rod is used for abutting against the lug part of the rear axle seat so as to position the annular posture of the rear axle seat; in order to solve the problem that the posture is inconvenient to control when the rear axle seat is hoisted and assembled at present, the axial position is positioned by adopting a stop on a pin shaft, and the annular posture of the rear axle seat is positioned by adopting a position adjusting rod, so that the rear axle seat can be hoisted in place in a required posture, and the hoisting precision is improved to ensure the subsequent assembly precision and the processing efficiency.

The invention provides a light energy and wave energy combined power generation device for an offshore area and a use method, the light energy and wave energy combined power generation device is characterized by comprising a plurality of groups of power generation assemblies, and a limiting part is connected between every two adjacent groups of power generation assemblies; the power generation assembly comprises installation assemblies placed on the sea surface, the adjacent installation assemblies are connected through limiting parts, photovoltaic panels are installed at the top positions of the installation assemblies, the installation assemblies are connected with connecting arms, and the connecting arms are provided with arch-shaped elastic structures. One end of the arch-shaped elastic structure is fixedly connected to the position, close to the mounting assembly, of the connecting arm, the arch-shaped elastic structure is movably connected to the connecting arm, the end, connected with the connecting arm, of the arch-shaped elastic structure is connected with a wave energy power generation assembly, and the adjacent wave energy power generation assemblies are also connected through a limiting part; a fixing part is connected to the position, close to the connecting arm, of the bottom of the mounting assembly and fixed to the seabed. The device combines light energy and wave energy for power generation, and improves the efficiency of energy collection in offshore areas.

The invention relates to the technical field of laser welding, and discloses a ship metal part laser welding device which comprises a base, a part plate is fixedly connected to the top of the base, a peripheral plate is fixedly connected to the top of the base, a triangular supporting plate is fixedly connected to the front portion of the base, and a triangular supporting plate is fixedly connected to the front portion of the part plate. A collecting box is fixedly connected to the inner wall of the peripheral plate, a motor, an aligning mechanism, a stabilizing mechanism and a cleaning mechanism are installed at the top of the base, a welding table is installed at the top of the peripheral plate, and the output end of the motor is fixedly connected with an inner circular plate. And vibration and swing of the part in the moving process are reduced, at the moment, the part can be extruded between the two extrusion arc plates, it is ensured that the workpiece cannot move or rotate in the machining process, the relative position between a machining tool and the workpiece is ensured, and therefore accurate machining is achieved.

The invention belongs to the technical field of power robots. The X-ray detection robot comprises an X-ray detection mechanism, a walking mechanism, a walking rack and driving wheels located at the bottom of the walking rack, and the X-ray detection mechanism comprises a first receiving plate supporting beam, a second receiving plate supporting beam, a transmitter and a transmitter supporting beam. The problem that the crimping pipe with the reinforcing wire cannot be comprehensively and accurately detected is solved, walking of the robot in a wire, the reinforcing wire and a fusion scene of the two wires is achieved, it is ensured that the robot can walk to a preset detection point after the unmanned aerial vehicle is hoisted to the wire, interference between a receiving plate and the reinforcing wire after the reinforcing wire is forked upwards or downwards is avoided, and the detection accuracy is improved. The integrated design is achieved, detection of the left wire and the right wire can be completed through one-time wire feeding, the distance between the receiving plate and the crimping pipe can be adjusted, and the X-ray detection precision of the crimping pipe is ensured.

The invention relates to an automatic display panel spraying processing system which comprises an ink jet assembly, the ink jet assembly comprises an ink jet moving assembly and an electric atomization nozzle module, and the ink jet moving assembly drives the electric atomization nozzle module to move in a horizontal plane; the conveying assembly comprises a bearing table and a conveying driving part, and the conveying driving part drives the bearing table to move in the printing direction; the mask assembly comprises a mounting frame and a mask plate; wherein the substrate moves to the position under the mask plate along with the bearing table, and the electric atomization spray head module conducts electric atomization spray printing on the substrate above the mask plate. According to the application, the mask plate covers the surface of the substrate, and the functional liquid is sprayed to the mask plate by using the electric atomization nozzle module, so that the functional liquid is arranged at the corresponding position of the substrate, and all pixel grids of the substrate do not need to be printed one by one; the adhesion position of the functional liquid on the substrate is not easy to deviate, and the condition that part of pixel grids are missed to be printed is not easy to occur, so that the processing efficiency of the substrate is improved.

The invention discloses an integrated microwave transmission system, and belongs to the technical field of microwaves. According to the design of the integrated microwave transmission system, the microwave transmission channel is directly integrated on the cover plate, so that the relative position of the transmission reed in the transmission channel can be effectively ensured, a high-order mode is prevented from entering a working frequency band, and the transmission frequency of the single-pole double-throw coaxial switch is greatly improved; the positioning pin is directly integrated on the cavity to form the positioning column, so that the positioning precision can be improved, and the electrical performance index of the switch is improved; according to the invention, by adopting the external limiting design, the generation of friction redundancy is transferred from the inside of the microwave transmission channel to the outside of the channel, so that the risk of poor contact can be effectively reduced, and the repeatability of the switch is improved.

The invention discloses an electric three-way valve which comprises a driving device and a valve body, the driving device comprises a stepping motor and a reduction gearbox, the reduction gearbox is provided with an output planet carrier, a ball core is arranged in the valve body, an output shaft of the output planet carrier is connected with the ball core, the valve body is provided with three connectors, the three connectors are a port B, a port C and a port A respectively, the port A is an inlet, and the port B is an outlet. A channel a, a channel b and a channel c are arranged in the ball core, the stepping motor controls the ball core to be in a boundary state when the ball core rotates by 90 degrees through the reduction gearbox so that the ball core can be in the four boundary states of 0 degree, 90 degrees, 180 degrees and 270 degrees, the angle between the two boundary states of the ball core is in a transition state, and the ball core is used for adjusting fluid flow when in the transition state. Continuous flow adjustment can be achieved, the phenomenon of shock cooling and shock heating is avoided, opening and closing of the port B and the port C can be independently controlled, and optimal control over the system is achieved.

This invention belongs to the field of medical device technology and discloses a foot pressure relief device for diabetic foot. It includes a base, a pressure relief plate and a motor connected to the base, and a foot pedal and a transmission assembly connected to the pressure relief plate. The transmission assembly includes a crank, a first connecting rod, and a sliding seat. The crank is fixedly connected to the output shaft of the motor, and the sliding seat is connected to the pressure relief plate. The two ends of the first connecting rod are respectively connected to the crank and the sliding seat. The sliding seat is connected to a foot rolling shaft and a second connecting rod, and the second connecting rod is connected to a foot massage roller. A buffer spring is provided between the pressure relief plate and the base. The foot pedal has a through groove, and the foot rolling shaft is connected to a foot massage roller. This invention utilizes the foot rolling shaft / foot massage roller and the foot massage roller to simultaneously perform rolling massage on the sole and instep of the foot. The periodic oscillation of the pressure relief plate causes the heel and toes to alternately rise, resulting in good pressure relief for the foot.

The utility model discloses a soil sampler for geological exploration, which relates to the technical field of geological exploration soil sampling and comprises a vertical pipe, a grab handle is arranged at the upper end of the vertical pipe, a sampling barrel is fixed at the bottom end of the vertical pipe, a push rod is slidably arranged in the vertical pipe, and a push handle is mounted at the top end of the push rod. The bottom end of the push rod extends into an inner cavity of the sampling barrel and is connected with a push block; a supporting part and a treading part are installed at the bottom of the vertical pipe, the treading part is located above the supporting part, the supporting part comprises a sliding sleeve installed on the vertical pipe in a sliding mode and an installation frame located on the periphery of the sampling barrel, the top of the installation frame is fixed to the sliding sleeve, and an annular support is fixed to the bottom of the installation frame. The soil sampling device solves the technical problems that in the prior art, soil sampling operation is inconvenient, and sampling work efficiency is low.

The utility model discloses a curb backrest concrete construction device which comprises a first curb backrest and a second curb backrest, cement stabilized macadam layers are arranged at the bottom of the first curb backrest and the bottom of the second curb backrest respectively, inserting steel bars are arranged at one end of the first curb backrest and one end of the second curb backrest respectively, and the cement stabilized macadam layers are arranged at the other end of the first curb backrest and the other end of the second curb backrest respectively. Mounting holes are formed in the other end of the first curb backrest and the other end of the second curb backrest, positioning connecting pieces are fixedly arranged in the mounting holes, and limiting assemblies are arranged between the curbs and the first curb backrest and between the curbs and the second curb backrest correspondingly; the utility model has the beneficial effects that the structure is simple, the operation is convenient, the prefabricated curb backrests are convenient to install and connect with each other, not only is the straightness of each group of curb stones and the backrests thereof ensured, but also the integrity of the curb stones and the backrests thereof is ensured, and the curb backrests are convenient to install and connect. And the quality after forming is better.

The utility model discloses a kind of flattening devices for side slope construction, to provide a kind of flattening device for side slope construction can be to the plane after cutting slope is flattened.It includes: mobile seat, the mobile seat is installed with positioning assembly;Corner assembly, the corner assembly is installed in the side of mobile seat and is rotatably connected with mobile seat;Vibration assembly, the vibration assembly is installed on corner assembly.The beneficial effects of the utility model are: can be to the plane after cutting slope is flattened, angle is adjusted easily, the movement of vibration plate can be realized, can pull vibration plate and cam is pasted, the position of mobile seat can be guaranteed, stability can be improved, the movement of mobile seat is facilitated.

The present invention relates to the technical field of spacer irons, and proposes a spacer iron of a roller beam spacing device, which has the function of spacing long steel rails and can eliminate the sliding friction between the spacer iron system and the bottom of the long steel rail while bearing the lateral force of the long steel rail, thereby greatly reducing the wear of the spacer iron system, increasing the service life of the spacer iron system, reducing the maintenance frequency and workload, reducing the failure rate of the spacer iron system, and eliminating the safety hazard of the spacer iron system getting stuck in the long steel rail. The system has good operational flexibility and is more convenient to use. The system comprises a long steel rail, a roller beam system and a spacer iron system, wherein the roller beam system comprises a roller beam, a left end of the roller beam is fixedly connected to a plurality of left wheel frames and a plurality of support plates, a right end of the roller beam is fixedly connected to a plurality of right wheel frames, support wheels are installed in the plurality of left wheel frames and the plurality of right wheel frames, and the support wheels are used for gravity support of the long steel rail, through holes are opened on the plurality of support plates, and sleeves are fixedly connected in the plurality of through holes.

The invention relates to the technical field of welding, in particular to a resistance spot welding clamp and method for an aero-engine nozzle outer wall assembly. The resistance spot welding clamp comprises a pull rod and a connecting rod. The connecting rod is mounted at the left end of the pull rod and is perpendicular to the pull rod; a nut is welded at the lower end of the connecting rod, and an ejector rod is screwed in the nut and is parallel to the pull rod; a sliding rod clamp is mounted on the pull rod; and a bolt is welded on the sliding rod clamp. The resistance spot welding method comprises the following steps that S1, scribing is conducted, specifically, scribing is conducted on a barrel and a rectifying ring; s2, preassembling: inserting a rectifying ring into an inner hole of a large end opening part of the barrel; s3, jacking and welding are conducted, specifically, a plug pin on a resistance spot welding clamp is inserted into an exhaust hole of the barrel, and spot welding of the first point position is conducted after a jacking rod is rotated to jack the rectifying ring in place; and S4, the ejector rod is loosened, the resistance spot welding clamp is taken down, the resistance spot welding clamp is installed at the position of the next exhaust hole, and the step S3 is repeated till welding of all welding spots is completed.

The present application relates to a kind of for belt conveyor angle steel type roller support assembly welding tool, assembly welding tool includes slide beam, end positioning assembly and middle positioning assembly, two sets of end positioning assembly and two sets of middle positioning assembly are mirror image slidingly arranged on the upper side of slide beam, positioning rod is arranged in parallel on the upper side of slide beam, positioning rod is divided into positive thread segment and reverse thread segment with the middle part as node, end positioning assembly includes end positioning frame, and the upper side of end positioning frame is provided with placement table, and the both sides of placement table are hingedly connected with clamping arm, and middle positioning assembly includes middle positioning frame, and lifting rod and pressing plate are longitudinally slidably arranged on the upper side of middle positioning frame.The present application is to solve or at least mitigate the problem that each accessory needs to be positioned separately when using conventional tool to weld belt conveyor roller support, and provide a kind of for belt conveyor angle steel type roller support assembly welding tool.

The utility model relates to the technical field of auxiliary tools in the welding and assembling process of linear accelerators, in particular to a tool for assisting welding spot splicing of a head structure of a linear accelerator, which comprises a bottom plate, a bent ruler positioning structure and presser foot positioning structures, and at least one presser foot positioning structure is arranged on one side, close to each other, of each of two third part projection stations. The two sides, close to one end of the first part placing station, of the second part placing station are each provided with a bent ruler positioning structure, and the portions, on the sides, away from each other, of the bottom plate of the two fourth parts are each provided with at least two bent ruler positioning structures and at least one presser foot positioning structure. And at least three presser foot positioning structures are arranged on a projection station of the circular large through hole of the second part. The welding spot splicing precision and position of the head structure of the linear accelerator are guaranteed.

The invention discloses a track ball valve which is small in valve seat structure limitation and convenient to disassemble, further reduces a gap between a ball body and a valve seat during sealing, and is good in sealing effect. The ball valve comprises a valve body, an axial flow channel is formed in the valve body, a ball body is arranged in the middle of the axial flow channel, and a valve seat sealing structure is arranged on one side of the ball body and on the axial flow channel, and is characterized in that the valve seat sealing structure comprises a valve seat, a graphite ring and an inner hexagonal flat end set screw, the valve seat is annular and is arranged in a multi-layer sealing mode, and the graphite ring is arranged on the valve seat. A valve seat sealing face can be bent to be attached to a ball body sealing face, the valve seat is installed on the valve body through a hexagon socket set screw with a flat end, the hexagon socket set screw with the flat end does not completely limit the valve seat, displacement allowance exists in the valve seat during sealing, and a graphite ring is installed in a gap between the valve seat and the valve body.

The invention discloses a steel pipe multi-impeller polishing device and a polishing method thereof, and relates to the field of polishing devices.The steel pipe multi-impeller polishing device comprises a polishing machine body, and a driving motor, an auxiliary rolling assembly, a containing frame and an electric cabinet are installed on the polishing machine body. It needs to be explained that when the steel pipe is polished, the steel pipe is clamped through a plurality of positioning clamping plates, so that the steel pipe can be automatically positioned and restrained during polishing, the steel pipe can be buffered through a clamping spring, and the polishing quality is further guaranteed; in addition, if tripping occurs accidentally, the overturning frame drives the driving motor to overturn, then the driving motor drives the multi-leaf polishing wheel to be away from the steel pipe, meanwhile, the scram button is triggered, the polishing machine is shut down, and danger is prevented from being further expanded. In the grinding process, a worker treads the treading frame with the foot, then the protective cover can be turned over to cover the end of the multi-leaf polishing wheel, and the problem that the worker makes contact with the multi-leaf polishing wheel accidentally is solved.

The utility model discloses a laser rangefinder for lifting a table board, which comprises a shell and a laser ranging module arranged in the shell, the shell is provided with a probe hole for laser to penetrate through, the shell is also provided with a notch part, the inner side of the notch part comprises a first reference surface and a second reference surface which extend in different directions, and the first reference surface and the second reference surface are arranged on the shell. The extension direction of the first reference surface is perpendicular to the extension direction of the probe hole. According to the lifting table, the ground clearance of the lifting table board can be accurately measured through the laser range finder, whether the lifting table board is inclined or not can be conveniently judged, and the laser range finder can be rapidly positioned on the lifting table board so that measurement can be conveniently conducted. In addition, the utility model further discloses an electric lifting table provided with the laser range finder.

The utility model discloses a half axle wheel end face positioning's differential housing vertical clamping device, its characteristics is, including base assembly, positioning device, pressure total assembly, side positioning assembly, the base assembly on be equipped with positioning device and side positioning assembly, positioning device on be equipped with pressure total assembly, positioning device pass through the support block support differential housing half axle wheel end face, positioning device pass through the positioning core axle and position differential housing radial center, side positioning assembly pass through the bolt to fix differential housing petal appearance, and position differential housing circumferential position, pressure total assembly pass through the opening pad and second nut and press tightly differential housing, be suitable for processing differential housing big end face hole, guarantee differential housing big face hole relative to half axle wheel hole's position degree, and the processing quality is stable, and frock structure is simple, and production efficiency is high, reduces the labor intensity of worker and production cost.

According to the technical scheme, the magnetic attraction type curtain handle is characterized by comprising a pair of split handle bodies, a cavity is formed in each handle body, a magnetic piece is arranged in each cavity, and the magnetic pieces in the pair of handle bodies attract each other so that the pair of handle bodies can attract each other to form a whole. According to the utility model, the split type handles are adopted, and the two handles can be mutually attracted and fixed, so that the positions of the two rows of bead pulling ropes connected to the handles are mutually fixed, the bead pulling ropes cannot randomly shake, and the bead pulling ropes are prevented from being mutually wound and knotted.

The application discloses a jig for keeping the position degree of a casting, which comprises a jig for keeping the vertical position degree of the main platform and the side platform of the casting. The side platform positioning block pulls the side platform of the casting to tightly adhere to the positioning baffle, and the locking pressing plate is used for pressing the main platform of the casting to adhere to the top surface of the base, so that the vertical position degree of the main platform and the side platform of the casting which have been kept perpendicular is kept during the repair welding process, and the problem that the position degree of the main platform and the side platform needs to be kept perpendicular when the two parts cannot be tightly pressed for the repair welding of the casting in the prior art is solved.

The sorting device comprises a rack, a first conveying mechanism and a second conveying mechanism, the rack is provided with a sorting area, the first conveying mechanism is arranged on the rack and located in the sorting area, the first conveying mechanism is used for driving an express to be conveyed in the first direction, and the second conveying mechanism is used for driving the express to be conveyed in the second direction; the second conveying mechanism is arranged on the rack and located in the sorting area, the second conveying mechanism and the first conveying mechanism are arranged at intervals in the length direction of the sorting area, the second conveying mechanism is used for driving the express parcels to be conveyed in the second direction, and an angle is formed between the second direction and the first direction. The first conveying mechanism and the second conveying mechanism are independent of each other and do not interfere with each other, the first conveying mechanism and the second conveying mechanism can drive express packages to be conveyed in the first direction and the second direction, so that the express packages stacked in the sorting area can be conveyed in the two directions to be dispersed, the postures of the express packages can be changed, grabbing of a sorting robot is facilitated, and the sorting efficiency is improved. Therefore, the sorting efficiency is improved.

The invention provides an underwater extensible acoustic array carrying device, which comprises an autonomous control sealed cabin assembly, a bearing frame assembly, a motor driving assembly, a thrust seat assembly, an extension arm assembly, a tightener and a tightening rope, and is characterized in that the tightener and the tightening rope can adjust the position of the extension arm assembly; the autonomous control sealed cabin assembly is installed on the bearing frame assembly through bolts, the thrust seat assembly is arranged on the bearing frame assembly, and the thrust seat assembly moves up and down to drive the stretching arm assembly to be unfolded and folded. The acoustic array is flexible in arrangement, stable in structure, large in folding and unfolding ratio, stable and reliable in unfolding process, high in overall structure unfolding rigidity, stable in acoustic array type and convenient and fast to machine and assemble, and mistaken touch caused by the water pressure effect under the large water pressure environment can be avoided.