40results about How to "Improve maintenance and replacement efficiency" patented technology

The utility model relates to the field of automobile models, and discloses a rotary quick connection structure of a chassis and an automobile shell, which comprises the chassis and the automobile shell. The vehicle shell is connected with a clamping piece, and the clamping piece is provided with a clamping part; the chassis is provided with a rotary quick connecting device, and the rotary quick connecting device comprises a mounting box, a clamping block and a rotary driving piece; the mounting box is provided with an inlet and outlet, the clamping block is slidably arranged on the mounting box and can be switched between a clamping position and a loosening position, the clamping block comprises a clamping part, when the clamping block is switched to the clamping position, the clamping part extends out of the mounting box through the inlet and outlet and is clamped with the clamping part, and when the clamping block is switched to the loosening position, the clamping part retracts into the mounting box; the rotary driving piece is rotatably arranged on the mounting box and comprises a driving part and a handle part, the handle part extends out of the mounting box, and the driving part is arranged in the mounting box and connected with the clamping block. According to the utility model, the automobile shell and the automobile chassis can be quickly disassembled and assembled, so that the maintenance and replacement efficiency of functional parts in the automobile model is improved.

The utility model relates to the technical field of cleaning equipment, in particular to a hinge device for a scrubber, which comprises an upper connecting main body, a shell connecting piece and a lower connecting main body, the upper connecting main body is used for being detachably connected with a connecting rod of the scrubber; the lower connecting main body is used for being detachably connected with a mop head of the scrubber; the shell connecting piece is used for fixedly connecting the upper connecting main body and the lower connecting main body at an angle; and a scrubber water pump circulating connecting pipeline and a circuit for connecting the water pump with a source are accommodated in the upper connecting main body and the lower connecting main body. The upper connecting body and the lower connecting body of the hinge device are detachably connected with the scrubber connecting rod and the scrubber mopping head, and meanwhile a scrubber water pump circulating connecting pipeline and a water pump and source connecting circuit are contained in the hinge device. The technical problem that an existing scrubber hinge device is low in maintenance and replacement efficiency is solved.

The utility model relates to the technical field of cleaning equipment, in particular to a hinge device and a scrubber, the hinge device comprises a rotary hinging body and a connecting body, and the connecting body is used for being clamped with a vertical rod; the rotary hinge body is used for being hinged to a scrubber mopping head. One end of the connecting body is rotationally clamped with the rotary hinging body at a bending angle; and a scrubber water pump circulating connecting pipeline and a circuit for connecting the water pump with the battery are accommodated in the connecting body and the rotary hinging body. According to the hinge device, the vertical rod and the mop head of the scrubber are detachably connected through the connecting body and the rotating hinge body of the hinge device, meanwhile, a scrubber water pump circulating connecting pipeline and a circuit for connecting a water pump and a battery are contained in the hinge device, and the technical problem that an existing scrubber hinge device is low in maintenance and replacement efficiency is solved.

The invention discloses a detachable traceless silicone rubber creepage-increasing umbrella skirt and processing equipment and a processing technology thereof, and belongs to the technical field of electric insulation accessory processing, the detachable traceless silicone rubber creepage-increasing umbrella skirt specifically comprises an umbrella skirt body, a mounting hole matched with an insulation plate is formed in the middle of the umbrella skirt body, and an interlocking opening communicated with the mounting hole is formed in the umbrella skirt body in the radial direction of the umbrella skirt body; the interlocking opening can realize autonomous closing and locking, and the closed umbrella skirt body forms a complete closed-loop structure; according to the invention, through the arrangement of the interlocking opening, the umbrella skirt body is directly sleeved into the insulating plate and then the interlocking part is buckled during installation, the umbrella skirt body is separated by hands during disassembly, tools are not needed, adhesive residues are avoided, mechanical damage is avoided, detachable traceless installation is truly realized, the insulating plate body is not damaged, and the later maintenance and replacement efficiency is greatly improved.

The utility model provides an anti-collision structure for an unmanned ship, which comprises an anti-collision device detachably mounted and fixed on a ship body, the anti-collision device comprises a mounting strip which is of a strip-shaped structure and is detachably mounted and fixed to the side face of the ship body, a plurality of positioning semi-rings mounted and fixed to the side face of the mounting strip through a fixing assembly, and a strip-shaped air bag arranged on the side face of the side, away from the ship body, of the mounting strip in an attached mode. The air bag is arranged in the inner rings of the plurality of positioning semi-rings in a penetrating manner, and the positions between the air bag and the mounting strip are fixed through the plurality of positioning semi-rings; the air bag can be conveniently and fixedly installed on the side face of the ship body, the ship body can be conveniently protected, and the maintenance and replacement efficiency of the air bag is improved.

The utility model discloses a wear-resistant quick assembly type universal joint fork, relates to the technical field of universal joint forks, and aims to solve the problems that the conventional universal joint fork is of an integrated structure, is inconvenient to assemble and disassemble flexibly, is inconvenient to replace damaged parts, and needs to improve the overall practicability, and adopts the technical scheme that the wear-resistant quick assembly type universal joint fork comprises a universal joint fork main body, the universal joint fork body comprises two universal joint fork arms, the two universal joint fork arms are assembled in a butt joint mode, buckle grooves are formed in the outer surfaces of the universal joint fork arms, the two butt joint universal joint fork arms are wrapped with two limiting connecting sleeves, the two limiting connecting sleeves are symmetrically distributed, and the two limiting connecting sleeves are connected with the two limiting connecting sleeves. The two side edges of each limiting connecting sleeve are each integrally connected with a buckle strip, and the two buckle strips on the same limiting connecting sleeve are buckled in the buckle grooves in the outer surfaces of the two universal joint fork arms correspondingly. And the effects of flexible and convenient assembly and disassembly and high practicability are achieved.

The utility model relates to the technical field of hydraulic slip rings, in particular to a connecting mechanism of a hydraulic slip ring, which comprises an upper mounting component group arranged in a slip ring moving component, the upper mounting component group comprises a pressing ring piece, a moving block is arranged on one side of the pressing ring piece, a guide vertical rod is arranged in the moving block, and a guide groove is formed in the guide vertical rod. And an upper shell is arranged at one end of the guide vertical rod. According to the utility model, after the first plug-in unit, the ring plate unit and the second plug-in unit are installed, when the plug-in unit, the ring plate unit and the second plug-in unit are disassembled and installed in later maintenance, the connection between the slip ring moving part and the slip ring fixed part and an external structure can be directly released without a tool, and the maintenance and replacement efficiency is improved.

The utility model relates to the technical field of tunnel ventilation, and discloses a ventilation system with a fire-fighting function, which comprises a tunnel body and two filter plates, air inlet fans are fixedly arranged at the lower parts of the two sides in the tunnel body, and a fixing sleeve is fixedly arranged in the middle of the top surface in the tunnel body. An exhaust fan is fixedly arranged on the upper portion of the inner side of the fixing sleeve, sliding grooves are formed in the lower portions of the middles of the two sides of the interior of the fixing sleeve, mounting and dismounting assemblies are fixedly arranged on the upper portions of the opposite sides of the two sliding grooves, sliding blocks are fixedly arranged on the middles of the two sides of the filtering plate, and connecting rods are fixedly arranged on the two sides of the upper end face of the tunnel body. Storage boxes are fixedly arranged at the lower ends of the two connecting rods correspondingly, bearing sleeves are fixedly arranged at the positions, close to the rear ends, in the two storage boxes correspondingly, and mounting rods are rotationally arranged on the inner sides of the two bearing sleeves in a sleeving mode. According to the utility model, the fire extinguishing efficiency of the tunnel body when a fire disaster occurs is improved, and the safety of the tunnel body when the fire disaster occurs is improved.

The invention discloses a quick change device and method for point cooling in a die-casting die, and belongs to the technical field of high-pressure casting, a point cooling mechanism comprises a core needle and an inner cooling pipe, the inner cooling pipe is coaxially arranged in the core needle, and the two ends of the core needle are connected with a mounting groove and a cavity respectively. The driving mechanism comprises a power component and a moving component, the moving component is arranged in the mounting groove, a quick-change connector is arranged at the end, facing the inner cooling pipe, of the moving component, and the quick-change connector is detachably connected with the end of the inner cooling pipe. And a cooling pipeline is arranged in the moving component and is communicated with the inner cooling pipe. The invention further discloses a corresponding quick change method. According to the quick change device and method for point cooling in the die-casting die, under the state that the die does not need to be lifted open, the whole point cooling structure can be conveniently disassembled, and the leakage position of a point cooling pipe structure can be conveniently replaced and maintained; therefore, the maintenance efficiency of the point cooling structure is remarkably improved while the maintenance process of the point cooling structure is simplified.

The utility model discloses a touch display device for a wearable intelligent watch, and relates to the field of intelligent watch installation. The watch comprises a watch body, a mounting groove is formed in the top of the watch body, a sealing edge is arranged on the inner wall of the mounting groove, and a mounting mechanism is arranged on the top of the sealing edge. Guiding and positioning are provided for installation of the touch screen, it is ensured that the touch screen can be accurately and rapidly installed on the watch, the side hole, the movable groove, the movable plate, the clamping block and other structures are ingeniously combined, a locking mechanism is formed, when the insertion rod is inserted into the insertion hole, the clamping block is automatically clamped into the clamping hole in the insertion rod, the touch screen is stably locked, meanwhile, a poking needle is inserted into the poking hole, locking can be easily unlocked, and the operation is convenient. Simple and quick disassembly of the touch screen is achieved, and the maintenance and replacement efficiency is improved.

The present invention provides a system for rapid maintenance and replacement of fans in electrical cabinets, which belongs to the field of supporting maintenance of electrical cabinets, and includes a cabinet, a fan and a maintenance vehicle. The fan is provided with an interface rack, and the cabinet is provided with an interface gear. Through the cooperation of the rack and gear, the fan is inserted and hung on the side of the cabinet, and an air duct is provided inside the cabinet. The airflow is guided into the cabinet by the air duct for heat dissipation; the maintenance vehicle includes an armrest and a vehicle plate, and a vertical rod is provided on the vehicle plate, and a support frame is slidably connected to the vertical rod. The front end of the maintenance vehicle is provided with a maintenance vehicle rack that cooperates with the interface gear; when the fan of the electrical cabinet is maintained and replaced, a new fan is placed on the support frame, and the maintenance vehicle is aligned with the fan interface of the cabinet and pushed forward, and the maintenance vehicle rack acts on the interface gear, and the interface gear rotates to push the old fan back out of the cabinet, and the new fan is lowered and pushed away from the cabinet. Then the maintenance vehicle is driven, and the new fan is inserted into the cabinet under the drive of the interface gear. The present invention can realize rapid maintenance and replacement of the fan.

The present invention provides an exhaust silencer mechanism for an all-terrain vehicle, which belongs to the field of automobile manufacturing technology. It solves the technical problems that the airflow flow path of the existing exhaust silencer is a simple straight line, resulting in a single airflow movement route during the exhaust process and poor noise reduction effect. The exhaust silencer mechanism of the all-terrain vehicle includes an exhaust manifold body, and the bottom of the exhaust manifold body is sequentially provided with a corrugated short pipe, a three-way catalytic converter body, and a diverter pipe. Two corrugated long pipes are fixed at the bottom of the diverter pipe, and the bottoms of the two corrugated long pipes are respectively provided with silencers. The silencers include exhaust pipes that are respectively fixedly connected to the bottom ends of the two corrugated long pipes, and the inner wall of the exhaust pipe is fixed with a reflection wall, and the reflection wall is made of HT500C acoustic material. Three partitions are sequentially fixed on the upper and lower inner walls of the exhaust pipe. The present invention has the advantages of realizing diversion and reflection to weaken noise and improve silencer efficiency, and the installation position of the exhaust pipe is suitable for more models of all-terrain vehicles.

The utility model provides an electronic tag installation structure of a safety tool. Comprising a mounting block, a label body and a mounting plate, wherein the mounting block can be mounted and fixed on the surface of a safety tool through a fixing block arranged on the side surface and a mounting groove is formed in the top end surface; the label body movably penetrates through the mounting groove; the mounting plate is hermetically mounted and fixed at the opening position of the mounting groove through a sealing mechanism; the sealing mechanism comprises an elastic assembly arranged on the bottom wall of the mounting groove, a sealing ring arranged in a sealing groove formed in the side face of the mounting plate, a plurality of rotating rods penetrating through rotating grooves in the end face of the top end of the mounting plate in a one-to-one correspondence mode, and a fixing assembly arranged at the opening position of the mounting groove and used for fixing the position of the mounting plate. The middle of the rotating rod is rotationally arranged in the rotating groove through a rotating shaft and located above the sealing ring, and the bottom end of the rotating rod is arranged between the sealing ring and the bottom wall of the sealing groove in a penetrating mode. The label body can be conveniently protected, and the maintenance and replacement efficiency of the label body is improved.

The present application relates to the technical field of garment assembly line, and discloses a segmented hanging type conveying device for garments, which comprises a supporting frame and a track fixedly installed below the supporting frame, two or more groups of transmission racks connected end to end are slidingly installed below the supporting frame, a clamping groove and a clamping buckle are respectively formed at the two ends of each transmission rack, adjacent transmission racks are connected into a chain through the clamping groove and the clamping buckle, and each transmission rack comprises two groups of rack monomers fixedly embedded in each other. The adjacent transmission racks are connected into a chain through the clamping groove and the clamping buckle, and the two groups of rack monomers are fixedly embedded in each other. Compared with the traditional integral type or the technical structure of the connecting rod connected through bolts, the segmented hanging type conveying device for garments can realize independent extraction and offline replacement of a single faulty transmission rack and the corresponding mounting seat, and completely does not need to disassemble the whole assembly line conveyor belt during maintenance, so that the maintenance and replacement efficiency of the faulty section is greatly improved, and the equipment downtime maintenance cost is effectively reduced.

The invention relates to the technical field of power transmission and transformation equipment of a power system, in particular to an automatic replacement device and method for a two-station flexible direct current converter valve sub-module. The automatic replacing device comprises a structure frame unit and a butt-joint frame unit, wherein the structure frame unit is used for being hoisted to the position, where the fault submodule needs to be replaced, of the valve tower frame, and the butt-joint frame unit is arranged on the structure frame unit and provided with a positioning connecting structure used for being in butt joint with the valve tower frame. The device further comprises a horizontal rotation unit and a linear movement unit, the positioning connection structure, the horizontal rotation unit and the linear movement unit which can be automatically controlled are adopted, the complete process of recovery of the fault sub-module and replacement of the standby sub-module can be completed through one-time reciprocating, the whole process is high in automation degree, and the maintenance and replacement efficiency is effectively improved.

The utility model relates to the technical field of heat preservation construction, in particular to a heat preservation pipe joint coating waterproof sealing structure which comprises a first arc-shaped plate, the top end of the first arc-shaped plate is fixedly connected with a connecting block, the outer portion of the connecting block is connected with a second arc-shaped plate in a sliding mode, and the first arc-shaped plate is attached to the second arc-shaped plate. Two clamping grooves are formed in each of the left side and the right side of the interior of the second arc-shaped plate, clamping blocks are clamped into the clamping grooves, the clamping blocks penetrate through the connecting blocks to be slidably connected into the second arc-shaped plate, and blocking blocks are hinged to the front side and the rear side of the second arc-shaped plate. The clamping blocks are used for clamping the two arc-shaped plates, and the blocking blocks are used for limiting the clamping blocks, so that the arc-shaped plates are clamped more stably, the maintenance and replacement efficiency of the thermal insulation pipe is higher on the premise that the mounting stability of the arc-shaped plates is guaranteed, the construction progress is not affected, and the action of workers is more convenient; and the construction safety is improved.

The utility model relates to an ozone generator's rectifier inverter relates to inverter technical field, including rectifier inverter body and fixed plate, rectifier inverter body both sides are provided with connecting plate, one side of each connecting plate is provided with insert round mouth close to the other two sides, insert round mouth is provided with insert round mouth, insert round mouth is provided with insert round mouth, insert round mouth is provided with insert round mouth, insert round mouth is provided with insert round mouth, insert round mouth is provided with insert round mouth, insert round mouth is provided with insert round mouth, insert round mouth is provided with insert round mouth. An inserting groove is formed in the center of the top of each connecting plate; the beneficial effects are that the connection plate and the insertion round opening on the rectification inverter body can be fixed on the insertion column, so that the rectification inverter body can be conveniently and fixedly installed, the mobile control assembly can be inserted into the insertion groove, the rectification inverter body can be rapidly and fixedly installed, and when maintenance and replacement are encountered, the connection plate and the insertion round opening can be fixed on the connection plate and the insertion round opening. The inverter can be quickly disassembled and replaced without disassembling a plurality of screws for multiple times, so that a lot of time is saved, convenience is brought to maintenance of personnel, and the maintenance and replacement efficiency of the inverter is improved.

The utility model belongs to the tobacco production technical field discloses a kind of brush roller and tobacco conveying equipment.The brush roller includes brush shaft, brush cylinder, two shaft heads and two locking assemblies;Two shaft heads are installed on tobacco conveying equipment;Brush shaft is arranged between two shaft heads, and the both ends of brush shaft are respectively detachably connected with two shaft heads;Brush cylinder is sleeved on the outer periphery of brush shaft;Two locking assemblies are respectively arranged at the both ends of brush shaft, and brush cylinder is clamped between two locking assemblies, and locking assembly is used to lock and fix any end of brush shaft with corresponding shaft head, can realize quick disassembly and assembly, and improve maintenance replacement efficiency.

The utility model provides a kind of quick replacement type forging die auxiliary mechanism, it is related to forging equipment technical field, including forging die auxiliary assembly, the replacement assembly is set on the forging die auxiliary assembly, the both sides of the forging die auxiliary assembly are provided with positioning assembly.The utility model is moved by the manual rotation adjusting peg to facilitate pushing limit baffle, to make slider slide in the inside of sliding slot, it is favorable to adjust the position of limit baffle, then lower mould is slidably mounted on the outside of mounting seat, it is convenient to install lower mould, plug block is slidably mounted on mounting seat, so that plug block seals lower mould, limit peg is threadedly connected on the top of plug block, and then plug block is positioned, avoid lower mould to shift, improve the stability when lower mould is used, it is convenient to install and dismount lower mould, without frequent operation to a large number of bolts, to realize the quick replacement of lower mould.

The utility model relates to the field of building construction, in particular to adjustable four-hole positioning equipment which comprises a shell, a gyroscope is arranged on the inner side of the shell in a sleeved mode, a support is arranged in the gyroscope in a sleeved mode, a switch is fixedly connected to the middle of the support, the side end of the switch is electrically connected with a plurality of elastic wires, and the elastic wires are electrically connected with a laser lamp device convenient to disassemble. Vertical supporting devices are fixedly connected to the four corners of the support. The laser lamp has the advantages that by arranging the vertical supporting device, the verticality of the laser lamp can be guaranteed when a balancing weight is added, large errors generated when the laser lamp is positioned are avoided, meanwhile, the laser lamp device convenient to disassemble is arranged, when the laser lamp is damaged, only the damaged laser lamp needs to be disassembled, repaired and replaced, and the laser lamp is convenient to disassemble, repair and replace. The operation of disassembling the laser lamp sleeve is reduced, and the maintenance and replacement efficiency of the laser lamp is improved.

The invention provides a monitoring device with an auxiliary system, and relates to the field of traffic monitoring. The top end of the device body is covered with a protective cover made of elastic composite materials, the two sides of the bottom of the protective cover are each provided with a side groove, limiting block assemblies of L-shaped structures are fixed to the top ends of the interiors of the side grooves, and two clamping blocks of hemispherical structures are arranged on the inner sides of the limiting block assemblies made of elastic metal materials. After hail is encountered, the hail can cause deformation and damage of the protective cover, the protective effect is affected, after the protective cover is damaged, a moving assembly can be directly pushed to move, a stress block assembly is pushed to incline, a limiting block assembly is made to incline, meanwhile, a clamping block is separated from the interior of a clamping groove, fixing of the protective cover is conveniently removed, and the protective cover is conveniently detached and replaced; the maintenance and replacement efficiency is improved, and the problem that a protection cover of a common monitoring device can be damaged and is difficult to replace when encountering severe weather, especially hail is solved.

The invention relates to the technical field of chip processing equipment, and discloses a full-automatic packaging processing device of an integrated circuit chip, which comprises a mounting frame, the top of the mounting frame is fixedly connected with a transmission belt, the transmission belt is used for transmitting a circuit chip, and an alignment mechanism is arranged outside the transmission belt. A mechanical arm is fixedly connected to one end of the top of the mounting frame, an alignment clamping jaw mechanism is arranged at the bottom end of the top of the mechanical arm, the alignment clamping jaw mechanism is used for being matched with the alignment mechanism to achieve clamping and alignment between a circuit chip and a packaging structure, and a cleaning mechanism is arranged in the mounting frame. And the cleaning mechanism is used for cleaning the chip before the chip is packaged. The dust on the chip can be blown away through spraying of the air spraying head, meanwhile, the dust suction head is started, and the blown dust is sucked into the dust collection box through the dust suction head, so that cleaning of the chip can be completed, the chip packaging cost is reduced, meanwhile, the conveying time is shortened, and then the chip packaging efficiency can be improved.

The invention provides an exhaust silencing mechanism of an all-terrain vehicle, belongs to the technical field of automobile manufacturing, and solves the technical problems that an airflow flowing road of an existing exhaust silencer is a simple straight line, so that the airflow moving route is single in the exhaust process, the noise reduction effect is poor and the like. The exhaust silencing mechanism of the all-terrain vehicle comprises an exhaust manifold body, a corrugated short pipe, a three-way catalytic converter body and a flow dividing pipe are sequentially arranged at the bottom of the exhaust manifold body, two corrugated long pipes are fixed to the bottom of the flow dividing pipe, and silencing parts are arranged at the bottoms of the two corrugated long pipes respectively. The silencing part comprises an exhaust funnel fixedly communicated with the bottom ends of the two corrugated long pipes, a reflecting wall is fixed to the inner wall of the exhaust funnel, the reflecting wall is made of an HT500C acoustic material, and three partition plates are sequentially fixed to the inner wall of the exhaust funnel from top to bottom. The silencer has the advantages that flow division and reflection are achieved, noise is weakened, the silencing efficiency is improved, and the installation position of the exhaust funnel adapts to all-terrain vehicles of more models.

The utility model relates to the technical field of ecological environment protection equipment, and discloses an ecological floating bed for ecological environment protection, which comprises a floating bed main body. According to the ecological floating bed for ecological environment protection, through modular combination of the floating bed main body and the circular planting frames and a fiber woven structure of the fiber woven mesh, a multi-layer root system fixing network is formed, the plant density is improved, meanwhile, directional growth of plant root systems is ensured, and meanwhile, a uniform root system supporting surface is provided; then fishes can be blocked under the protection of the protective cover, the fishes are prevented from gnawing the root systems of the plants, meanwhile, the protective cover can prevent impact of water flow from impacting the root systems of the plants, the impact of the water flow is further reduced in cooperation with the speed reduction performance of the conical through hole, and it is ensured that the root systems of the plants in the circular planting frame stably grow; and meanwhile, the protective cover can be rapidly detached through the limiting assembly, and therefore the maintenance and replacement efficiency of the protective cover is improved.

The utility model discloses a portable folding drying rack, including main folding support, spacing base and drying rod, be equipped with spacing hook spare on spacing base, main folding support has main hinged side frame, and main hinged side frame is crossed hinged and is constituted by first support rod and second support rod, be equipped with two parallelly arranged main hinged side frame on spacing base, and the first support rod of two main hinged side frames, second support rod's upper end is connected through drying rod, the lower end of first support rod is hinged with spacing base, and the lower end of second support rod is equipped with spacing rod, when spacing rod is hooked on spacing hook spare, main hinged side frame is unfolded and is supported on spacing base, when spacing rod is separated from spacing hook spare, main hinged side frame is folded and is accomodated on spacing base. Therefore, improve the overall structural strength and support firmness of folding drying rack, improve the quick switching of folding drying rack between unfolding use and folding accomodating support two states, improve the convenience of use.

The utility model discloses a quick connection type loudspeaker cylinder, comprising a loudspeaker cylinder bottom cover, one side of the loudspeaker cylinder bottom cover is provided with a sound channel cover plate, one side of the loudspeaker cylinder bottom cover is fixedly connected with an insertion part, one side of the insertion part is inserted in the sound channel cover plate, two sides of the insertion part are provided with clamping grooves, and the clamping grooves are connected with the sound channel cover plate. A clamping groove is formed in one side of an inner cavity of the loudspeaker cylinder, a locking groove is formed in one side of an inner cavity of the clamping groove, a sliding hole is formed in one side of an inner cavity of the locking groove, a positioning pin is installed in an inner cavity of the sliding hole in a sliding mode, a spring is fixedly connected to one end of the positioning pin, and one end of the spring is fixedly connected to the inner wall of the sliding hole. The loudspeaker cylinder is divided into the main body part for loading the internal components and the part which is easy to damage, and the part which is easy to damage can be quickly disassembled from the main body for replacement, so that the investment of maintenance cost is reduced, the maintenance and replacement efficiency of the loudspeaker cylinder is improved, and convenience is provided for the maintenance work of a user.

The invention discloses an integrated device for maintaining and replacing sonar in a cabin and a using method, and the integrated device comprises a mounting cylinder which is arranged on a ship body and communicates the outside with the interior of the cabin, and a first isolation assembly, a second isolation assembly, a supporting sleeve, a lifting cylinder and an adjusting rod which are sequentially arranged in the mounting cylinder from bottom to top, the sealing cover is arranged corresponding to a cylinder opening in the inner side of the mounting cylinder; the supporting sleeve is slidably and rotatably mounted in the mounting cylinder, and the sonar is mounted on the supporting sleeve in a matched manner; a limiting clamping groove is formed in the supporting sleeve, the adjusting rod is installed in the limiting clamping groove in a penetrating and sliding mode, and a clamping block on the adjusting rod intermittently enters the limiting clamping groove. The second isolation assembly comprises a connecting sliding groove frame, a second isolation block and a conical ring. The first isolation assembly comprises a supporting frame and a second isolation block. Compared with the prior art, the sonar does not need to be replaced from the outside and only needs to be operated in the cabin, meanwhile, a ship does not need to stop specially, the maintenance and replacement efficiency is improved, and the maintenance cost and dependence on marine environment conditions are reduced.

The utility model provides a roller way edge protection plate which comprises baffles and a protection plate assembly, the baffles are arranged on the two sides of a roller way in the width direction, and the baffles have the length extending in the length direction of the roller way and the height extending in the vertical direction; the protection plate assembly comprises a first protection plate and a second protection plate which are movably connected with each other, the first protection plate is connected to the baffle, and the second protection plate can rotate in the height direction of the baffle relative to the first protection plate; the first protection plate is used for shielding a gap between the roller way and the motor, and the second protection plate is used for shielding the motor. The problems that when an existing roller way and an existing motor are replaced, a guardrail installed between the roller way and the motor needs to be disassembled and assembled repeatedly, the workload is increased, and the production efficiency is greatly affected are solved.

The utility model relates to the technical field of environmental engineering, and discloses a noise elimination type electric airtight rainproof shutter which comprises a window frame, a plurality of installation frames are rotationally connected in the window frame, blades are connected in the installation frames through locking assemblies, a gear shell is fixedly connected to the left side of the window frame, and the gear shell is fixedly connected to the right side of the window frame. A motor is mounted at the bottom end of the gear shell through a fixing frame, the driving end of the motor is connected with the left end of the mounting frame through a gear set, a rain baffle is fixedly connected to the top end of the front side of the window frame, a sliding rod is fixedly connected to the bottom side of the rain baffle, and a cleaning plate is slidably connected to the outer wall of the middle end of the sliding rod. The right end of the cleaning plate is connected with a rain baffle through a lifting assembly. According to the blade cleaning device, when the blades are damaged, the blades and the mounting frame can be disconnected by shifting the shifting pieces to enable the inserting shafts to compress the springs, the damaged blades can be replaced conveniently, and meanwhile the cleaning plates can be driven by rotating the threaded rods to clean the surfaces of the blades.

The utility model relates to the technical field of communication equipment, in particular to a cabinet for electrical elements, which comprises a cabinet body, a plurality of openings arranged on one side of the cabinet body, an inner frame arranged in the cabinet body and a cabinet door hinged to the cabinet body corresponding to the openings. The connecting rod limiting mechanism is connected between the cabinet body and the cabinet door so as to limit the opening and closing angle between the cabinet door and the cabinet body; and the pulley locking rod mechanism is arranged on the cabinet door so as to lock the cabinet door and the cabinet body. The cabinet for the electrical element is simple in structure, the steps of opening and closing the mechanism are simplified, and the maintenance and replacement efficiency is improved.