605results about How to "Improve support stability" patented technology

The invention provides a main shaft structure which comprises a pipeline disc, a rear end seat, a shaft core, a water retaining ring and a rear shaft core end cover, the rear end seat is located on the periphery of at least part of a shaft section of the shaft core, the pipeline disc and the rear end seat are arranged at intervals in the axial direction, and the water retaining ring is further arranged between the pipeline disc and the rear end seat. At least part of the structure of the water retaining ring is located on the periphery of at least part of the structure of the shaft core, the rear shaft core end cover is arranged at the axial upper end of the shaft core, a containing cavity is formed in the upper end of the rear shaft core end cover, a water outlet hole is formed in the water retaining ring, and the water outlet hole is located below the containing cavity and can be communicated with the containing cavity. Water in the containing cavity can be discharged out of the main shaft structure through the water outlet hole. Water can be effectively prevented from entering the motor at the lower end of the spindle structure, the waterproof sealing effect on the motor of the spindle structure is achieved, and the problem that in the prior art, water easily enters the motor of an electric spindle, and potential safety hazards are caused is solved.

The herringbone snow and sand blocking wall structure comprises windward plates, leeward plates and a top end combination component, the windward plates and the leeward plates are connected through the top end combination component, the multiple windward plates and the multiple leeward plates are sequentially arranged in a staggered mode, and the windward plates and the leeward plates form an included angle structure with the upper ends close to each other and the lower ends separated from each other; the windward plate comprises a corrugated steel plate, the waveform direction of the corrugated steel plate is transverse wave arrangement, and the windward plate is close to one side of the windward direction; the leeward plate comprises a corrugated steel plate, and the waveform direction of the leeward plate is vertical. Through the geometric arrangement of the windward plate and the leeward plate and the matched design of the corrugation direction, the guiding effect of wind power is fully utilized, the vortex hedging effect is formed on the back face of the windward plate, reverse wind pressure is generated while the wind speed is remarkably reduced, the supporting capacity of the back face of the windward plate is enhanced, and the structural strength and material use are further optimized.

The utility model discloses a municipal road construction pipeline support device, which comprises a bottom plate, the bottom of the bottom plate is fixedly connected with a mounting seat, the upper end of the mounting seat is fixedly connected with a motor, the output end of the motor is rotatably connected with the bottom plate, the upper end of the output end of the motor is fixedly connected with a screw rod, and the screw rod is fixedly connected with a screw rod. The outer side of the screw rod is connected with a screw sleeve through threads, and the top of the screw sleeve is fixedly connected with a supporting seat. Through the effect of the motor, the output end of the motor can drive the screw to rotate, threaded movement of the threaded sleeve can be achieved, then movement of the supporting base in the vertical direction can be achieved, the supporting height of a pipeline can be adjusted, and meanwhile through the effect of the electric push rod, the output end of the electric push rod can drive the connecting block to move. The connecting block can drive the inserting block to move and be inserted into the inserting groove, the fixing disc can be limited, then the screw can be limited, rotation of the screw is avoided, and therefore the stability after adjustment is kept.

A Mini-LED display screen support comprises a display screen and a fixing boss, limiting clamping plates are arranged on the two sides of the display screen respectively, the limiting clamping plates are connected with sliding pressing plates through L-shaped fixing plates, fixing screws are connected to the two end faces of the fixing boss respectively, one end of each fixing screw penetrates through a guide hole in the corresponding sliding pressing plate and then is in threaded connection with a locking nut, and the other end of each fixing screw is in threaded connection with the corresponding locking nut. The locking nut is adjusted until the sliding pressing plate is pressed on the side wall of the display screen; a fixing guide plate is connected to the fixing boss, a first sliding groove is formed in the bottom of the fixing guide plate, a second sliding groove communicated with the first sliding groove is formed in one side wall of the fixing guide plate, a sliding plate is arranged in the first sliding groove, a first stud is connected to the sliding plate, and the outer end of the first stud sequentially penetrates through the second sliding groove and an anti-loosening pad and then is in threaded connection with a first nut. The bottom of the sliding plate is connected with a supporting base. The support is used for supporting the display screen and adjusting the placing angle of the display screen according to needs, and is convenient to use.

The utility model provides a foldable surveying and mapping marker post, belongs to the technical field of engineering surveying and mapping, and aims to solve the problems that the existing surveying and mapping marker post is fixed by using a spine structure, is not stable enough to fix and support on cement, asphalt and other planes due to the need of being matched with a support, and is easy to topple over in a soft soil region to influence the positioning accuracy. Comprising a telescopic marker post body. The fixed base is connected to the tail end of the telescopic marker post main body through threads; the three sets of supporting plates are arranged, and the three sets of supporting plates are hinged to the bottom of the fixed base; the three sets of connecting rods are arranged, and the three sets of connecting rods are hinged to the upper portion of the fixed base; the storage cylinder is welded in the three groups of supporting plates; the supporting and folding assembly is arranged on the outer side of the fixed base; and the auxiliary fixing assembly is arranged in the storage cylinder. The support device has the advantages of being stable in supporting, capable of keeping vertical, convenient to carry and the like.

The utility model relates to the technical field of building construction equipment, in particular to a stable-operation vibrating screen for building construction, which comprises a damping mechanism, a vibrating mechanism and a supporting mechanism, the vibrating mechanism is positioned at the top end of the damping mechanism, the supporting mechanism is positioned at the bottom end of the damping mechanism, and the damping mechanism comprises a supporting plate. A vibration spring is fixedly installed in the middle of the top end of the supporting plate, base plates are fixedly installed around the top end of the supporting plate, damping springs are fixedly installed between the base plates, telescopic cylinders are movably installed in the damping springs, and telescopic rods are movably installed at the top ends of the telescopic cylinders. Materials are buffered during falling through the wear-resistant base plate, the situation that the feeding bin is damaged due to friction and impact during falling of the materials is avoided, meanwhile, the vibration force transmitted to the supporting frame is reduced through the damping springs, and the vibration force is counteracted through damping force generated by stretching and retracting of the telescopic rods in the telescopic cylinders; the bottom support is not affected by vibration during vibration, and the supporting stability is improved.

The utility model discloses a walking swinging telescopic mechanism for tunnel construction ultrasonic detection, which belongs to the technical field of tunnel ultrasonic detection equipment and specifically structurally comprises a walking door frame, an electric walking mechanism, an arc-shaped synchronous driving transmission belt and a telescopic cylinder. An arc-shaped rail is installed on the rear side of the walking door frame, the arc-shaped rail is consistent with the inner arch face of the tunnel, the two ends of the arc-shaped rail extend to be close to the ground, the arc-shaped rail is connected to a sliding plate through a sliding block, and an arc-shaped synchronous driving belt is connected to the inner side of the sliding plate. According to the utility model, the detection position and orientation are accurate and reliable, the detection result is more accurate, the radial swing angle adjustment can always ensure the measurement perpendicular to the tangent line of the detection point, and the telescopic cylinder controls the telescoping through the measurement accuracy, so that the telescoping function is realized; and a certain protection effect on the probe is achieved.

The invention relates to the technical field of superconducting magnets, and discloses a high-reliability and low-heat-leakage propeller magnet system which comprises a Dewar, a coil assembly and a plurality of sets of heat insulation supporting structures, the coil assembly is arranged in the Dewar and connected with the Dewar through the heat insulation supporting structures, the coil assembly comprises a coil framework, and the coil framework is arranged in the Dewar and connected with the Dewar through the heat insulation supporting structures. The coil body is wound on the surface of the coil framework, the heat insulation supporting structure comprises a hot ring, a cold ring and a pull rod, the two ends of the pull rod are connected with the hot ring and the cold ring respectively, the hot ring is connected with the Dewar, and the cold ring is connected with the coil framework. Through the integrally designed heat insulation supporting structure, the number of parts of the magnet structure is remarkably reduced, the supporting stability is improved, it is guaranteed that the center line of a magnetic field coincides with the center line of plume of the propeller, and heat leakage of the magnet is further reduced.

The invention belongs to the technical field of assembling and debugging, and particularly relates to a coal mining machine whole machine linkage adjusting supporting seat which comprises a bearing base, and a plurality of connecting assemblies installed on a coal mining machine are fixedly installed at the upper end of the bearing base. The device further comprises a vibration sensor, a supporting area expanding mechanism, a plurality of plug pin anti-skid mechanisms, a ground bearing capacity detection feedback mechanism, a plug pin number control mechanism, a connection state inspection warning mechanism and a plug pin number supplementing mechanism. The supporting area can be automatically adjusted and controlled on the basis of the strength of the ground bearing capacity, the lower the ground bearing capacity is, the larger the supporting area is, then the weight of the coal mining machine is better dispersed, the number of the used anti-skid nails can be automatically adjusted and controlled on the basis of the ground bearing strength, and the coal mining efficiency is improved. The abrasion degree of the connecting assembly can be automatically calculated based on the vibration intensity in the working process of the coal mining machine, and a worker is reminded to detect the connecting state of the connecting assembly in time after the abrasion threshold value is reached.

The invention discloses a baby crib with an adjusting function, and relates to the technical field of baby cribs, the baby crib comprises a sleeping posture adjusting mechanism and a swing bed mounted in the sleeping posture adjusting mechanism, a bottom plate of the sleeping posture adjusting mechanism is provided with a lifting adjusting mechanism, and universal wheels are fixedly mounted at the bottom of the lifting adjusting mechanism; the sleeping posture adjusting mechanism comprises a baby bed bottom plate, fixed bed plates are symmetrically installed on the two sides of the top of the baby bed bottom plate, rotating supports are symmetrically installed on one sides of the fixed bed plates, rotating motors are fixedly installed on one sides of the rotating supports, the output ends of the rotating motors are fixedly connected with rotating worms, and the rotating worms are fixedly connected with the rotating motors. The characteristic that a first mounting threaded block in an adjusting rotating disc is in sliding connection with a reciprocating sliding groove in a reciprocating support is utilized, so that swinging of the reciprocating support is achieved, the reciprocating support drives a rotating connecting shaft and a swinging bed to swing while swinging, and a baby in the swinging bed can be swung and shaken; the baby can be conveniently lulled to sleep and the sleeping posture can be conveniently adjusted.

The invention belongs to the technical field of plastic processing, and discloses a processing method for reducing extrusion forming metal peeling, which comprises the following steps: plugging one end of a to-be-formed area of a pipe, performing shot blasting treatment on the to-be-formed area of the pipe, spraying a water-based colloidal graphite lubricant on the to-be-formed area of the pipe, and performing extrusion forming on the to-be-formed area of the pipe; and the pipe end sprayed with the water-based colloidal graphite lubricant is dried, a graphite dry film is formed outside a to-be-formed area, the pipe end of the to-be-formed area of the pipe is extruded into a high-temperature forming mold, in the pipe shrinking process, pits formed through shot blasting are gradually deformed, the graphite dry film is gradually discharged out of the pits, and supplement of the lubricant is formed. According to the method, the pipe end lubricating form is improved, the improved lubricating performance is improved, the metal stripping condition in the extrusion forming process is basically eliminated, and the product percent of pass is increased. In the implementation process, all the steps are simple and practical technological methods, implementation is easy through automatic and integrated means, efficiency can be improved for mass production, and cost can be reduced.

The utility model discloses a forestry branch pruning device, which relates to the technical field of pruning devices and comprises a movable base component and a driving component arranged on the top surface of the movable base component, a collecting component is arranged on one side of the driving component, and a pruning component is further arranged on the top surface of the movable base component. The driving assembly comprises a mounting plate fixedly connected to the top of the movable base assembly, a push handle is fixedly connected to one side of the mounting plate, a first fixing plate is fixedly connected to one side of the mounting plate, a first motor is arranged on the top of the first fixing plate, a first lead screw is rotationally connected to one side of the first fixing plate, and the first lead screw is connected with the output end of the first motor. According to the arrangement, the pruning assembly in the device is utilized to quickly and automatically prune and cut off branches, the situation that time and labor are wasted due to the fact that a worker holds a pruning knife component to work is avoided, operation is easy and quick, and the pruning work efficiency of the device is improved.

The invention discloses a new energy automobile charging connection device and a using method thereof, belongs to the technical field of new energy automobile auxiliary power supply, and provides the following scheme that the new energy automobile charging connection device comprises a charging pile body and a charging gun head installed on the side face of the charging pile body through a transmission line, and the charging gun head is provided with a fixing structure and a driving structure; by arranging a fixing structure and a driving structure, when the charging gun head is inserted into the new energy automobile, all suction cups are tightly attached to the outer wall of the new energy automobile, an operator adjusts an electric push rod to extend, a movable disc moves away from the suction cups in a sleeve at the moment, and under the effect of negative pressure in the sleeve, the new energy automobile is charged. According to the new energy vehicle charging gun head fixing device, the suction cup and a new energy vehicle are sucked, fixing treatment of the charging gun head is completed, the firmness of the charging gun head during charging of the new energy vehicle is ensured, the falling risk caused by accidental touch and other factors is avoided, and the safety and efficiency of charging operation are greatly improved.

The utility model discloses a foundation reinforcing pile which comprises a fixed rod and four arc-shaped push plates arranged around the fixed rod, a groove is formed in the top of the fixed rod, a movable rod is inserted into the groove in a sliding mode, the outer side of the fixed rod is sleeved with a sliding sleeve in a sliding mode, and the top of the sliding sleeve is fixedly connected with the top of the movable rod; by arranging the conical pile tip defined by the drill bit, the reinforcing pile body can be conveniently driven into a foundation, then the movable rod drives the sliding sleeve to slide on the fixed rod, when the bottom end of the movable rod gets close to the bottom end of the groove, the supporting rod rotates to be in a parallel state from an inclined state, and the supporting rod drives the outer plate and the arc-shaped push plate to move outwards and upwards; when the circumference of the reinforcing pile expands outwards to the maximum limit, the contact area of the reinforcing pile and the foundation is increased, the supporting stability of the reinforcing pile body is improved, concrete pouring is conducted, the top position of the pile body is fixed conveniently, the contact area of the pile body and the foundation is increased, and the stability of the reinforcing pile body and the foundation is improved.

The invention relates to the technical field of new energy motor production, in particular to a new energy motor production line tray grabbing structure and method. Comprising a supporting beam, a plurality of station bases, an adsorption structure and a visual module, and the supporting beam is a suspended beam body which is supported by a supporting column and arranged in the first horizontal direction; the station bases are bearing bases located below the supporting beams and used for bearing trays. The multiple station bases comprise at least one serving as a grabbing station and used for storing the trays loaded with parts and at least one serving as a storage station and used for storing empty trays. The adsorption structure can move in the first direction, the second direction and the vertical direction, is connected to the supporting beam and is used for adsorbing the empty trays on the grabbing station. The visual module is installed on the adsorption structure and used for obtaining the storage condition of the parts in the tray on the grabbing station. The grabbing structure is simple, empty trays can be automatically transferred, the motor assembling efficiency is greatly improved, and a large amount of manpower and material resources are saved.

The utility model relates to a tool for clamping and fixing a lead inside a transformer, which comprises cross beams fixed on an upper clamping piece and a lower clamping piece of the transformer and a longitudinal beam for fixing the lead, and the two ends of the longitudinal beam are respectively connected with the two cross beams through first mortise and tenon joint structures to form a support frame for supporting the lead. At least two supporting frames are arranged in the routing direction of the lead, a connecting beam is arranged between every two adjacent supporting frames, and the two ends of each connecting beam are connected with the longitudinal beams of the two supporting frames through second mortise and tenon joint structures respectively. According to the utility model, multiple groups of support frames are arranged along the routing direction of the lead to support and fix the lead, so that the bearing capacity and the support stability of the lead are improved. The adjacent supporting frames are connected and fixed through the connecting beams, the structural strength between the supporting frames is improved, vibration and noise reduction is better, and supporting is more stable. And the cross beams and the longitudinal beams as well as the longitudinal beams and the connecting beams are connected and fixed through mortise and tenon joint structures, so that installation and assembly are convenient, time and labor are saved, and the production efficiency is improved.

The invention relates to the technical field of new energy motor production, in particular to a part feeding structure of a new energy motor production line. Comprising a supporting beam, a plurality of station bases, a carrying structure, a tray grabbing structure, a part grabbing structure and a transfer station, and the multiple station bases comprise grabbing stations and storage stations; the carrying structure is used for conveying the stacked trays loaded with the parts to the station base and moving the multiple empty trays stacked together out of the station base. The tray grabbing structure is used for transferring the empty trays on the grabbing station to the storage station; the part grabbing structure comprises a robot used for grabbing parts from the tray on the grabbing station. And the transfer station is used for receiving the parts grabbed by the robot. The feeding structure has high automation and intelligence, feeding operation of the new energy motor parts can be efficiently achieved, and manual operation is completely not needed in the feeding process.

The utility model relates to the field of cantilever structure construction design, and provides a high-altitude cantilever structure erecting platform which comprises multiple sets of supporting frames arranged on the outer side face of a building structure at intervals in the horizontal direction, and each supporting frame comprises bearing profile steel, vertical profile steel, diagonal profile steel and diagonal profile steel. The other end extends outwards; one end of the diagonal bracing profile steel is fixedly connected to a building structure, the other end of the diagonal bracing profile steel is fixedly connected to the bottom of the bearing profile steel, and an included angle is formed between the diagonal bracing profile steel and the bearing profile steel; a first connecting piece is fixed on the diagonal section steel, and the vertical section steel and the diagonal section steel are jointly connected to the first connecting piece; the end, away from the inclined strut profile steel, of the vertical profile steel is perpendicularly fixed to the bearing profile steel through a second connecting piece, and the end, away from the inclined strut profile steel, of the diagonal profile steel is fixedly connected to the connecting position of the bearing profile steel and the building structure through a third connecting piece. On the basis, the use amount of components of the formwork support can be reduced, the construction cost and difficulty are reduced, and the construction efficiency is improved.

The present invention relates to the technical field of assembled steel structures, and specifically to an assembled variable height steel structure foundation, wherein a plurality of lower support tubes distributed in an array are arranged above a bottom plate, an upper support tube is sleeved on the upper end of the lower support tube, and a horizontally extending partition is arranged inside the upper support tube; the lower end of the screw is threadedly assembled on the upper end of the lower support tube, a driving mechanism corresponding to the screw is arranged above the partition, a first through-hole is arranged on the side wall of the upper support tube, and a driving member extends toward the driving mechanism after passing through the first through-hole to drive the screw to rotate; a top plate is detachably connected to the top of the upper support tube, and a plurality of connecting columns distributed in an array are arranged above the top plate for detachably connecting a steel structure main beam. The foundation structure provided in the present application can be used multiple times, greatly reducing the construction period, and the height adjustment of the steel structure main beam is achieved by using screws, which has good applicability to untreated foundation pits and saves costs. Steel nails are arranged below the bottom plate, and the steel nails can resist the lateral force in the soil and improve the support stability.

This application relates to a battery cell buffer mechanism. The battery cell buffer mechanism includes a fixing frame and support units. The fixing frame has at least one mounting portion extending along a first direction. At least one support unit is provided, with each support unit arranged in at least one row, and each support unit supports one battery cell. Each support unit includes at least two support members, each support member is mounted on a corresponding mounting portion and is movable relative to the mounting portion along the first direction, and each support member is used to make line contact with the corresponding battery cell for support. By making line contact with the battery cell through the support members, the risk of scratches, dust accumulation, and other adverse effects on the battery cell surface caused by the support units can be reduced. Furthermore, the ability of each support member to move relative to the extension direction of the mounting portion allows for adjustment of the position of the support members in each support unit, adapting the position of the support members to the size of the battery cell, thereby stably supporting each battery cell and improving the stability of battery cell support and the adaptability of the battery cell buffer mechanism.

The invention relates to the technical field of LNG pipelines, and discloses an LNG pipeline cold insulation structure self-adaptive online repair purging device which comprises a gas inlet mechanism, purging mechanisms are installed on the inner side of the gas inlet mechanism at equal intervals, and self-adaptive supporting mechanisms are installed on the outer side of the gas inlet mechanism at equal intervals. Each self-adaptive supporting mechanism is connected with the blowing mechanism, the lower end of the air inlet mechanism is in threaded connection with a supporting frame, a driving mechanism is installed at the lower end of the supporting frame, and a guide rail mechanism is arranged at the lower end of the driving mechanism. Through mutual cooperation of the air inlet mechanism, the self-adaptive supporting mechanism and the purging mechanism, effective multiple defrosting purging can be conveniently carried out on the surface of the LNG pipeline, the purging effect is effectively improved, and the online repairing effect of the LNG pipeline cold insulation structure is improved.

The utility model relates to tower crane technical field, especially safety protection type tower crane, including main body stand, be equipped with a plurality of support frame and with the installation block that is connected to it on main body stand, a plurality of protective net, protective net is connected with the installation block through second mounting bolt, a plurality of telescopic subassembly, telescopic subassembly both ends are connected with the installation block and support plate respectively through connecting component, and support plate bottom end is connected with fixed cone, a plurality of building link frame, and building link frame includes spiral groove disc and cross -bracing pull frame, spiral groove disc is connected support frame through carousel, and cross -bracing pull frame is connected spiral groove disc through plug connector, the utility model discloses through the setting of telescopic subassembly and installation block, can four -sided support to tower crane body, and the ability of anti -tilting is strengthened, through the setting of protective net, can undertake the component such as falling, effectively reduce the risk of high -altitude falling object to hurt the equipment and the personnel below, utilize the overall structure of building to share horizontal load, and the stability is strengthened.

The utility model provides a waste liquid heat recoverer which comprises a device body, the right side of the device body is connected with a waste liquid inlet pipe, the lower end of the device body is connected with a waste liquid outlet pipe, the right side of the device body is provided with a temperature sensor in a penetrating mode, and the left side of the device body is provided with an operation panel. The device comprises a device body, the left side and the right side of the device body are each connected with a connecting shell, the connecting shells are connected with an external pipe, the connecting shells are communicated through a liquid conveying pipe, and a liquid level sensor is arranged at the upper end of the device body in a penetrating mode. In order to reduce the situation that impurities in waste liquid are attached to the outer side of a liquid conveying pipe and affect the heat exchange effect, the check block is regularly pulled through the hydraulic telescopic rod to be contained in the groove body, under the action of the motor and the lead screw, the movable frame is moved and adjusted on the lead screw, and the check frame penetrates through the open groove to be arranged in the device body. Impurities attached to the outer side of the infusion tube are brushed through the first brush rod and the second brush rod, and the cleaned impurities can be discharged from the waste liquid outlet tube through waste liquid.

The invention relates to a deep foundation pit supporting structure which comprises a stress plate and an inclined supporting rod which abut against the side wall of a foundation pit, the stress plate is provided with a connecting structure, the connecting structure comprises a compaction plate and an inserting rod which are movably connected to the stress plate, the compaction plate can be inserted into a soil layer of the foundation pit and is connected to the stress plate in a lifting mode, and the inserting rod is connected to the stress plate in a lifting mode. The upper portion of the inclined supporting rod is bent, extends and is inserted into the compaction plate, and the lower portion of the inclined supporting rod is inclined and abuts against the ground. And the inserting rod is positioned below the compacting plate and is inserted and positioned in the soil layer of the foundation pit. The compaction plate is inserted into the foundation pit soil layer, the inclined supporting rods are inserted into the upper portion of the compaction plate to enable the compaction plate to descend, the foundation pit soil layer is longitudinally compacted, then the insertion rods are horizontally inserted and positioned in the foundation pit soil layer, and therefore the compactness of the side wall of the foundation pit at the position of the stress plate is improved, and tight connection with the foundation pit soil layer is achieved through the compaction plate and the insertion rods; and the supporting stability of the stress plate to the side wall of the foundation pit is improved.

This utility model relates to the field of spillway tunnel support technology, specifically a reinforcement support device for spillway tunnel excavation. It includes a fixed frame, with lifting blocks bolted to both ends of the fixed frame. A support block is slidably connected to the lower end of each lifting block, and a support base is fixed to the lower end of each support block. Multiple brackets are fixed to the top surface of the lifting blocks. Connecting seats are fixed to the outer ends of the brackets and both ends of the top surface of the fixed frame. Arc-shaped blocks are bolted to the connecting seats. A first pressure-relief block is fixed between two adjacent arc-shaped blocks. A second pressure-relief component is installed at the end of each bracket near the arc-shaped block. A connecting component, including an insert block, is installed on the arc-shaped block. The first pressure-relief block between adjacent arc-shaped blocks and the second pressure-relief component at the end of the bracket undergo controllable limited deformation, absorbing the energy released by the surrounding rock while maintaining stable support for the surrounding rock. This reduces the rigid stress on the structure, decreases brittle failures such as retaining wall cracking, support bending, and joint collapse, and lowers the risk of collapse.

The utility model provides a kind of cleaning assembly and cleaning equipment, the cleaning assembly includes: seat, gear box cover, first connecting shaft, support assembly and drive structure.Support assembly includes first roll, first roll includes second shaft end, second shaft end is close to seat setting, first connecting shaft extends seat and is connected with second shaft end;Drive structure is located in seat, the gear assembly of drive structure is arranged in accommodating cavity, gear assembly includes first output end, first output end is provided with first output gear, and first output gear is installed in first connecting shaft;Second bearing is arranged in first mounting hole, and first connecting shaft is rotatably connected in first mounting hole by second bearing, gear box cover is provided with third mounting hole on the side towards first output gear, fifth bearing is installed in third mounting hole, and one end of first connecting shaft, which extends first output gear, is connected with fifth bearing.The utility model can improve the stability of gear assembly support, improve cleaning efficiency.

The invention relates to the technical field of underground gas storage, and discloses a composite sealing structure of an underground gas storage cavern, which comprises a lining covering the wall of the underground gas storage cavern, a drainage system is arranged on one side, close to the wall of the underground gas storage cavern, of the lining, and a buffer layer and an airtight plate sequentially cover the other side of the lining; the drainage system comprises drainage pipes, water inlet holes and flow guide pipes, the drainage pipes are arranged in the lining in the horizontal direction and arranged in the circumferential direction of the underground gas storage cavern at intervals, the water inlet holes are formed in the drainage pipes and used for communicating the interiors of the drainage pipes with the wall of the underground gas storage cavern, and the adjacent drainage pipes are communicated through the flow guide pipes. By arranging the drainage system, water in the rock mass of the underground gas storage cavern enters from the water inlet groove, penetrates through the water inlet hole and enters the drainage pipe, seepage water and gravel mixtures are drained away through the drainage pipe and drained away through the drainage pipe below and the bottom drainage pipe, and the influence of accumulated water on the underground gas storage cavern can be effectively avoided.

The utility model relates to the technical field of ice machines, and discloses an ice machine with a germicidal lamp, which comprises an ice machine body, a fixing frame is fixedly mounted on the inner wall of the ice machine close to the top end, the germicidal lamp is fixedly mounted at the bottom end of the fixing frame, and a defrosting mechanism is arranged on the outer wall of the germicidal lamp; the defrosting mechanism comprises a motor, two fixing plates and an arc plate, the fixing plates are fixedly installed on the back face of the fixing frame, the motor is fixedly installed on the outer sides of the fixing plates, and a reciprocating lead screw is fixedly installed at the output end of the motor. According to the technical scheme, frost possibly condensed on the surface of the germicidal lamp can be removed through the scraping plate, the situation that the frost affects the irradiation sterilization effect of the germicidal lamp is avoided, the sterilization efficiency of the germicidal lamp is guaranteed, and the problems that in the prior art, due to the fact that no defrosting structure is arranged on the germicidal lamp, a large amount of frost adheres to the surface of the germicidal lamp after long-time use, and the service life of the germicidal lamp is prolonged are solved. And therefore, the light transmittance of the sterilizing lamp is influenced, and the sterilizing effect is influenced.

The application provides a novel freight elevator structure, wherein the lifting device comprises two motors arranged on the top of the left and right side walls of a freight elevator body; a screw rod fixedly connected with one end of a motor output shaft through a shaft coupling; two threaded sleeves threadedly connected with the surfaces of the two screw rods; a supporting rod connecting the two threaded sleeves; a U-shaped fixing frame arranged on the top surface of the supporting rod and opening towards the front wall of the freight elevator body; a storage plate embedded in the inner wall of the U-shaped fixing frame and connected with the U-shaped fixing frame through a sliding rail mechanism; a mounting groove arranged on the front end surface of the storage plate and penetrating through the storage plate; and a supporting mechanism arranged in the mounting groove. The lifting device of the application is symmetrical in arrangement of two groups of motors, screw rods and threaded sleeves on the opposite sides of the elevator, and the two threaded sleeves are connected together through the supporting rod, so that the storage plate is supported, the synchronous movement of the two threaded sleeves is realized, and the problem of low reliability of the lifting device and the placing assembly in the prior art in long-time use is solved.