578results about How to "Improve maintenance convenience" patented technology

This utility model belongs to the field of industrial instrument maintenance technology, specifically relating to a portable online cleaning device for flow meters. It includes an air tank, a pressure regulating valve connected to the top surface of the air tank, a pressure gauge connected to one side of the pressure regulating valve, and a quick connector connected to the other side of the pressure regulating valve. A medium flow pipe is connected to the surface of the air tank, and an electric air source is connected to the other end of the medium flow pipe. A knob is connected to the top surface of the air tank, and a handle is also connected to the surface of the air tank. When cleaning gas or steam flow meters, the lithium battery-powered electric air source drives the compressed air in the air tank. After the pressure is regulated by the pressure regulating valve, the compressed air is delivered to the flow meter through the quick connector. This portable gas-liquid time-division multiplexing type online cleaning device for flow meters, with its significant advantages of high efficiency, low cost, and high versatility, brings a new solution to the field of industrial instrument maintenance, effectively improving production efficiency and reducing enterprise operating costs.

The utility model provides a kind of monitoring system of photolithography machine internal environment, comprising: photolithography machine;Air circulation air outlet located in the photolithography machine inside;Particle detection device located at the air circulation air outlet, for real-time monitoring the particle contaminant inside the photolithography machine and generating detection data;Data sending module is electrically connected with the particle detection device, for accepting the detection data and real-time transmission to external monitoring equipment;Real-time monitoring and data real-time transmission to photolithography machine internal environment particle contaminant are realized.This enables operator to promptly understand photolithography machine internal air quality condition, provides strong guarantee for the stable performance of photolithography process, improves the automation level and operating efficiency of entire photolithography machine.

The application discloses a gradient water-permeable type flow guide belt with surface algae resistance and lower layer drag reduction, which comprises a floating body assembly, an upper algae resistance skirt curtain connected below the floating body assembly, a lower gradient water-permeable net body connected below the upper algae resistance skirt curtain, and a segmented counterweight chain connected below the lower gradient water-permeable net body. Tensioned cables are distributed on the floating body assembly at intervals, the lower ends of the tensioned cables are connected with the segmented counterweight chain, anchor assemblies are arranged on the segmented counterweight chain at least near both ends of the segmented counterweight chain, and the lower gradient water-permeable net body comprises at least two water-permeable net layers arranged in sequence along the depth direction, and the porosity of each water-permeable net layer increases from top to bottom. The gradient water-permeable type flow guide belt has the advantages that the partition structure of upper algae resistance and lower water permeability can significantly reduce the water resistance area of the middle and lower layers while maintaining the surface algae resistance and flow guiding capacity; and the structure design of the gradient water-permeable net body with the porosity increasing from top to bottom can make the water power transition more gentle and reduce the stress concentration of the single net body or the whole skirt curtain.

The utility model discloses a heat exchange device for a network communication cabinet, which relates to the technical field of mechanical engineering, and comprises a box body, a frame is arranged in the box body, a quick release mechanism is assembled in the box body, an ejection mechanism is assembled in the box body, the side end of each connecting rod is fixedly connected with a plate, and the side end of each connecting rod is fixedly connected with a connecting rod. Two first sliding grooves are formed in the box body, a plurality of second sliding grooves are formed in the side end of each frame, a plurality of first teeth are arranged at the side end of each connecting rod, two gears are arranged in the box body, and a column body is arranged in the middle of each gear. A mechanical transmission principle is adopted in the mechanism, a traditional heat exchange device for the network communication cabinet is improved, the practicability and convenience of operation of the traditional heat exchange device for the network communication cabinet are improved through an additional structure, and the overall performance, the maintenance convenience and the capacity of adapting to different working conditions of equipment are improved.

The utility model discloses a rolling mill roll bending block device with separated roll bending and shifting oil ways, which belongs to the technical field of roll bending block oil way distribution and comprises a roll bending block and an internal oil way, the oil way comprises an upper cavity oil way channel and a lower cavity oil way channel of a balance cylinder and a lifting cylinder, and the upper cavity oil way channel and the lower cavity oil way channel are connected to a roll bending block shell to form an external oil port. A roll shifting transition connector is omitted, oil leakage and equipment faults are reduced, meanwhile, a stainless steel pipe and a standard connector are adopted in an internal oil way, an oil port screwed plug is arranged outside, oil leakage is prevented, external oil ports are uniform in specification, maintenance is simplified, the device is suitable for a hot rolling plate rolling finishing mill, and operation stability and production efficiency can be improved.

The utility model relates to linear screen technical field discloses an upper vibration type linear screen, including support frame and screening frame, the screening frame bottom is provided with vibrating motor, support frame and screening frame between be provided with vibration spring, screening frame top fixedly connected with feeding hopper, the feeding hopper inside slide connection has the connecting frame, the connecting frame inside fixedly connected with screen cloth, support frame inside fixedly connected with support frame, the connecting frame with support frame is pasted, the connecting frame inside fixedly connected with fixed column, the fixed column inside slide connection has sliding column. In the utility model, the sliding column is driven in the fixed column to slide through the handle, linkage installation pin, spring and the spring of supporting column outer wall and clamping bead work, realized the effect that screen cloth can be quickly disassembled, solved the problem that the screen cloth is difficult to realize quick assembly and disassembly, causes screen cloth cleaning, replacement time -consuming too long, influences the continuity of screening operation.

The application relates to an openable landscape bench for collecting rainwater, and belongs to the technical field of garden landscape facilities. The landscape bench comprises a circular ring type seat surface, the inside of the circular ring type seat surface is fixedly connected with a hollow main support column, the top end of the hollow main support column is fixedly connected with a central umbrella rib base, the outer periphery of the central umbrella rib base is fixedly connected with an inverted umbrella type roof, and the outer periphery edge of the inverted umbrella type roof is fixedly connected with a plurality of annular frames. The application has the beneficial effect that in the rainy season, the inverted umbrella type roof is an umbrella surface structure that is inclined to the center as a whole, rainwater can be concentrated and flowed into the central umbrella rib base under the action of gravity, and gradually flowed into a storage assembly along a water collecting pipe in the hollow main support column, so that the collection and storage functions of the landscape bench are realized. The structure has the functions of sun-shading, rain-shielding and efficient water collection, improves the practicability and maintenance convenience of the device, and greatly improves the land use efficiency and landscape coordination of public space.

This invention discloses a cold-resistant, low-smoke, airtight, explosion-proof control cable and its manufacturing method, relating to the field of control cable technology. It includes a central transmission cable with an outer protective rubber layer. The outer protective rubber layer is covered by an inner anti-slip silicone ring, which is further covered by an inner rubber expansion layer. A side-guided inner tube is located outside the inner rubber expansion layer. This invention utilizes a flexible expansion airbag and an adjustable isolation box with a linked internal and external pressure-stabilizing structure to maintain the internal air pressure of the control cable within a suitable range during use. This allows for rapid sealing and protection of the damaged area after external damage, preventing internal damage or electrical sparks caused by external impurities after the outer sheath is damaged. This effectively improves the explosion-proof capability and safety of the control cable.

The invention relates to the technical field of ink processing, in particular to printing ink and a preparation process thereof. Comprising the following steps: step 1, injecting a printing ink finished product into a printing ink tank; secondly, printing ink in an ink tank is added to the surface of the side portion of a color matching roller; thirdly, the lower side face of a color matching roller abuts against a color matching disc, the color matching roller is controlled to move and rotate relative to the color matching disc, and the printing ink of the multiple colors is mixed and spread on the color matching disc; 4, the color of the printing ink attached to the upper surface of the color matching disc is blended according to needs; the printing ink prepared by the preparation process of the printing ink is obtained by mixing and matching colors of a plurality of product oil inks of the same type; according to the printing ink color matching equipment, the color matching disc body is horizontally arranged, printing ink finished products of various colors are contained through the color matching disc body, and the multiple pigment injection pipes are used, so that the amount of the injected printing ink finished products of various colors is accurately controlled, and the use and maintenance convenience of the printing ink color matching equipment is improved.

The utility model discloses a metal smelting desulfurization dust remover relates to desulfurization dust removal technical field, the utility model discloses a tank body, the top fixed mounting of tank body has the fixed ring, the inside movable sleeve of fixed ring is equipped with the adjusting pipe, the outside of adjusting pipe is equipped with annular limit slot, and fixed mechanism is used in cooperation with annular limit slot, and the bottom of adjusting pipe is equipped with four first movable slots, and the inside rotation of first movable slot is installed with the installing rod, and the bottom fixed mounting of installing rod has a plurality of first shower nozzle, and the bottom end fixed mounting of adjusting pipe has the first water storage pipe, and the outside of first water storage pipe is provided with control assembly, and the inside of adjusting pipe is provided with adjusting assembly, sets up control assembly, and the whole is used for controlling the contraction and expansion of installing rod, and the flexible operation of installing rod is realized in cooperation with adjusting assembly, and adjusting assembly whole cooperates with control assembly, and drive control assembly action, thereby realizing the contraction and expansion of installing rod, and it is convenient for spare part to take out maintenance.

This utility model belongs to the field of laboratory animal technology and discloses a highly flexible self-propelled electric lifting vehicle suitable for SPF barrier environments. It includes a frame with a sealed cavity inside, a modular integrated electrical box within the cavity, a quick-release structure at the opening of the cavity, a lifting assembly on the frame, a liftable worktable on the lifting assembly, a waterproof structure on the worktable, and a walking drive assembly at the bottom of the frame. The quick-release structure includes a quick-release movable plate and multiple sets of bolts. The walking drive assembly includes a first drive wheel, a second drive wheel, and two sets of driven omnidirectional wheels. This utility model has a compact and reasonable structural design, enabling lifting and driving functions. It is suitable for assisting in the rearing of laboratory animals in high-rise buildings. It is small in size, highly mobile, and easy to move between rearing cages. The main circuit components are integrated, making it less susceptible to contamination. It has good waterproof and dustproof performance, is easy to maintain, and convenient to use.

The invention belongs to the technical field of metal wire feeding and printing, and relates to a quick-release wire feeding structure suitable for small-diameter metal wires. The wire feeding structure comprises a main body structure frame assembly serving as an installation reference and a force bearing main body of the whole mechanism; the quick-release wire feeding seat assembly is arranged in the main body structure frame assembly, and a through wire feeding channel is formed in the quick-release wire feeding seat assembly; the wire feeding shaft driving assembly is installed in the shaft hole of the main body structure frame assembly and used for driving the metal wire to move along the wire feeding channel; the wire feeding head assembly is installed at the outlet end of the main body structure frame assembly and used for guiding the metal wires; and the quick-release wire feeding seat assembly can be integrally taken out of and loaded into the main body structure frame assembly. The problems that operation and maintenance convenience is poor, and wire feeding stability and reliability are insufficient are solved.

The utility model provides a whole type tin forest tray surface plating equipment relates to tin forest tray plating technical field, including installation support, in the utility model, through the swing mechanism, translation mechanism and the coordinated operation of rotating mechanism, realized tin forest tray in the multidimensional motion control in the plating process, swing mechanism passes through the cooperation of transmission disc, sliding sleeve and sliding rod, converts the circular movement into the reciprocating swing of storage tank, makes the plating liquid multi -angle effect to tin forest tray surface, promotes the uniformity of plating layer, through the screw rod drive plating assembly horizontal removal, expands the plating range, need not manual adjustment work piece to complete large -area plating, rotating mechanism passes through the multistage reduction drive of gear and belt pulley, makes the tin forest tray stable rotation of placing dish drive, optimizes the contact angle of plating liquid and work piece surface, is applicable to the plating treatment of complex structure, three three -dimensional compound movement modes formed by the combination, breaks through the function limitation of traditional equipment, improves plating quality and efficiency greatly.

This utility model belongs to the field of automotive parts technology, specifically relating to an integrated bracket for the rear instruments of a wide-body mining truck, including a support and fixing assembly, an L-shaped support plate, and two protective lamp covers. Through modular integrated design, this utility model integrates the installation of various sensing devices with the protective function of the rear combination lights of the vehicle. Rigid connections and detachable fixings between components form a high-strength overall frame, effectively preventing equipment from shaking under harsh working conditions and ensuring the stability of the sensing system. Simultaneously, it not only provides a compact and stable mounting base for various instruments but also provides impact protection for the rear combination lights through the protective lamp covers. Ultimately, while ensuring complete functionality, it optimizes the structural layout of the mining truck's rear end, improves overall rigidity, and enhances maintenance convenience.

The utility model provides a kind of angle starting position adjustable type split and combination subassembly of interlocking mechanism, including first pivot, the first pivot is fixedly connected with limit elbow, the outside rotation of the first pivot is connected with second pivot, plunger screw is equipped on the limit elbow, the outer end of the second pivot is equipped with auxiliary switch of coupling by bolt, during the application of this technical solution, it faces different angle design of interlocking mechanism transmission part, without modification main body, by adjustable structure of limit elbow and first pivot, plunger screw compensates the movement angle of second pivot, different transmission angle demand can be adapted, the versatility in multiple interlocking mechanisms is improved;Second, indication accuracy is high, plunger screw can absorb the movement deviation of rotating shaft, limit elbow angle adjustable correction shielding deviation, correct transmission part machining and debugging error, avoid misindication, ensure in-place indication reliable, fill the existing indication structure adaptation limitation, precision is susceptible to error influence blank.

The utility model relates to the technical field of plastic plate processing equipment discloses a multicolor extrusion device for striped effect plastic plate, and the device comprises a shell, a shell body and a cooling and pressing assembly arranged in the shell, further comprises a water removal assembly, the water removal assembly comprises a fixed plate, a sponge, a chute and a sliding block, the chute is fixed on the shell, the sliding block is fixed on the fixed plate, the sponge is installed on the fixed plate and abuts against the surface of the cooling roller, and the sliding block and the chute constitute a sliding detachable connection, the water removal assembly can effectively absorb the condensed water on the surface of the cooling roller, the surface quality of the plastic plate is ensured, the structure makes the whole assembly be quickly disassembled, the maintenance efficiency of cleaning or replacing the sponge is greatly improved, the continuous production stability of the equipment is enhanced, and the utility model has remarkable practical value.

The utility model relates to corrosion -resistant microtube heat measurement technical field discloses a kind of corrosion -resistant microtube heat measurement devices of constant power drive, including measuring instrument, the controller is arranged in measuring instrument side wall, the connecting pipe is fixedly connected in measuring instrument side wall, the microtube body is slidably connected in the connecting pipe inside, the card slot one is set in the microtube body inside, the dismounting assembly is arranged in the connecting pipe inside;The dismounting assembly includes trapezoidal clamping post, the trapezoidal clamping post is slidably connected in the connecting pipe inside, the trapezoidal clamping post is engaged with the card slot one. In the utility model, by sliding sleeve driving groove moves, groove moves and trapezoidal clamping post is separated from card slot one, then microtube body is separated by sliding in connecting pipe, and then microtube body can be quickly replaced, so as to reach the effect that microtube is conveniently replaced, the problem that traditional device microtube replacement is complicated is solved, and the operation flexibility and experimental efficiency of device are improved.

This invention discloses a foreign matter collection device and method for overflow-type down-drawing substrate glass furnaces, belonging to the field of flat glass manufacturing technology. The device provided by this invention includes a fixed tube, a collection tube, and a rotary drive mechanism. The collection tube is hinged to the inner end of the fixed tube within the furnace and consists of two symmetrical U-shaped grooves connected by a central rotating hinge shaft. The rotary drive mechanism drives the collection tube to rotate, so that when the central rotating hinge shaft faces downwards, the two grooves automatically open under gravity to form a U-shaped receiving groove, and when facing upwards, they automatically close to form a sealed circular tube. Using this invention, the process of removing foreign matter from the furnace for cleaning can avoid secondary pollution or safety accidents caused by scattering. The entire switching process is completed online outside the furnace without interrupting production or opening the furnace, completely solving the problems of large production losses and severe disturbances to the furnace temperature and airflow fields caused by the need to stop production for cleaning in traditional devices.

The application belongs to the technical field of cable manufacturing, and specifically discloses a composite cable and a preparation method thereof, which comprises an inner sheath, the inner sheath is internally provided with connecting sleeves, the connecting sleeves are internally provided with connecting cores, the inner sheath is internally provided with first filling layers at the outer walls of the connecting sleeves, the outer wall of the inner sheath is circumferentially provided with control cores, the outer wall of the inner sheath is provided with an insulating layer, the control cores are located in the insulating layer, the gap between the control cores and the insulating layer is filled with a second filling layer, the second filling layer is connected with the outer wall of the inner sheath, the middle part of the outer wall of the insulating layer is provided with a reinforcing shielding layer, and the outer wall of the insulating layer is provided with a buffer sleeve. The application improves the mechanical reliability, anti-interference ability and service life of the cable in a poor environment.

This application provides an expandable modular stacked filtration system. The system includes a filter module group comprising multiple filter units, each including a valve block and a filter cartridge mounted on the valve block. Each filter unit has a standardized interface. The multiple filter units are detachably connected via the standardized interface and are arranged in parallel to form multiple filtration branches. A support unit is used to mount a drive unit and filter units. A monitoring unit, connected at least to the drive unit, is used to monitor the operating status of the filtration system. By arranging multiple filter units in parallel to form multiple independent filtration branches, this application allows isolation of a single filter unit from the system when maintenance or filter replacement is required, while other filter units continue to operate normally without interrupting the overall filtration process. This improves system availability and ease of maintenance.

The utility model discloses a water-jet-guided laser processing machine tool capable of recycling waste water, which relates to the technical field of water-jet-guided laser processing machines and comprises a shell, and a processing table is fixed at the central position in the shell. Waste water and chippings generated by machining are guided to flow to the water outlets in the two ends through the inclined drainage grooves in the surface of the machining table and fall to the filtering assembly through the water outlets. A folded edge groove formed by three layers of flow guide plates and an upper folded edge in the filtering assembly slows down water flow impact, so that large-size chippings are precipitated and temporarily stored, and the chippings in the folded edge groove can be conveniently cleaned through an integrally-formed scraping plate; the lining frame further intercepts suspended chippings, the preliminarily filtered wastewater flows into wavy filter cloth at the top of the wastewater frame through drainage holes in the bottom of the positioning frame, the filter cloth adsorbs fine impurities by increasing the contact area, and finally the purified wastewater is collected in the wastewater frame, so that graded filtration and recovery of the processing wastewater and efficient separation and cleaning of the chippings are realized; and the water resource utilization rate and the machine tool maintenance convenience are improved.

This utility model discloses a rear blind spot warning light projection device for commercial vehicles, relating to the field of warning light technology. It includes a light projection head, with a connecting base installed at one end and a controller installed on one side of the connecting base. A light emission port is embedded in the outer wall of the light projection head, and a fixing block is fixedly connected to the outer wall of the other end of the light projection head. A millimeter-wave radar is embedded in the outer wall of the fixing block. This utility model uses the light emission port on the outer wall of the light projection head to project warning light signals onto the ground to form a regular and clear warning pattern, directly prompting surrounding traffic participants to avoid the area. In conjunction with a motor driving a drive gear to rotate, and through meshing with a driven gear, the mounting block and the light projection head connected to it achieve angle adjustment. This allows the utility model to dynamically adjust the projection angle according to the vehicle's reversing direction or vehicle length, ensuring that the warning area always covers the actual blind spot and improving the warning effect.

The application discloses a hand-operated pencil sharpener, which comprises a cutter holder assembly and a rocker arm assembly, and a gear reduction mechanism is arranged between the cutter holder assembly and the rocker arm assembly. The rocker arm assembly drives the cutter holder assembly to rotate through the gear reduction mechanism. The gear reduction mechanism comprises an input gear, a speed change gear and an output gear which are sequentially connected. The input gear is connected with the rocker arm assembly, and the output gear is connected with the cutter holder assembly. When the rocker arm assembly is forced to drive the input gear to rotate, the input gear acts on the output gear through the speed change gear, so that the output gear drives the cutter holder assembly to rotate at a reduced speed. The gear reduction mechanism composed of the input gear, the speed change gear and the output gear is additionally arranged, the torque is increased, and the cutter holder assembly rotates more stably and labor-savingly.

The utility model belongs to the technical field of equipment maintenance, and particularly relates to a multifunctional self-service equipment accessory maintenance workbench which comprises a U-shaped bottom plate and further comprises four universal wheels which are fixedly installed at the four corners of the bottom of the U-shaped bottom plate respectively. The number of the first electric push rods is two, and the bottom ends of the two first electric push rods are fixedly mounted at the top of the U-shaped bottom plate; the bottom of the table board is fixedly mounted with output shafts of the two first electric push rods respectively; the drawer frame is fixedly installed at the bottom of the table top, and a drawer box is slidably installed in the drawer frame. According to the maintenance workbench, the height of the maintenance workbench is adjusted through a simple structure, meanwhile, the rotating table is additionally arranged so that rotating adjustment can be achieved when self-service equipment is maintained, personnel can conveniently maintain and use the maintenance workbench, and the use convenience is improved; and the use burden of personnel is reduced.

This invention relates to the field of dental chair water system disinfection equipment, and discloses a modular integrated dental chair water system cleaning and disinfection device, including a device shell and internally detachably connected modules for clean water supply, chemical solution supply, water system switching, control, and monitoring. Each module is an independent detachable unit, connected via standardized fluid interfaces and electrical connectors; the clean water and chemical solution modules have independent fluid branches and standardized output interfaces connected to the water system switching module; the water system switching module has a built-in solenoid valve group, with its input end connected to the former two and its output end having a total output interface for the dental chair water system; the control module is electrically connected to each module, and the monitoring module includes a pipeline sensing unit. This invention effectively solves the problems of low integration, lack of modularity, inconsistent interfaces, and cumbersome maintenance in existing equipment, achieving fully automated cleaning and disinfection of the dental chair water system, while also possessing the advantages of strong adaptability and stable operation, significantly improving cleaning efficiency and hygiene safety.

The utility model relates to circulating water aquaculture filtration technical field discloses a kind of three-dimensional filter devices of circulating water aquaculture, including coarse filter box, the coarse filter box inside is provided with coarse filter screen, the coarse filter box side wall is provided with fine filter box, the fine filter box inside is provided with fine filter screen, the fine filter box side wall is provided with biological filter box, the biological filter box inside is provided with filler plate, the biological filter box side wall is provided with clean water tank, the coarse filter box side wall is provided with cleaning assembly, the biological filter box inside is provided with mounting assembly;The cleaning assembly includes cleaning plate, and the cleaning plate side wall is attached to the coarse filter screen side wall.In the utility model, the chain sprocket and chain transmission driven by motor are used to move the cleaning plate up and down along the coarse filter screen to scrape off impurities, so as to achieve the effect of automatic cleaning of filter screen and prevention of blockage. The above structure improves the automation maintenance efficiency of the filter device and reduces the labor operation cost.

This invention provides a wheel for a track-mounted trolley, relating to the field of track-mounted trolley running structure technology, including an H-shaped steel track, a laterally adaptable hub assembly, and a track surface cleaning and adjustment assembly. The laterally adaptable hub assembly includes a first hub base, a second hub base, a side hub connecting plate, a load-bearing hub, a lateral limiting hole, a lateral limiting post, a lateral adjusting bolt, a lateral connecting nut, a first limiting hub, and a second limiting hub. The lateral adjusting bolt is used to adjust the lateral distance between the first and second hub bases and to drive the side hub connecting plate and the load-bearing hub to adapt to H-shaped steel tracks of different lateral dimensions. A rotating support is detachably connected to the laterally adaptable hub assembly, and a scraper is detachably connected to the rotating support and can adjust its cleaning posture. This wheel improves track adaptability, running stability, and track surface cleaning convenience.

The application discloses a modular cable hanging device and a use method, and belongs to the technical field of mine machinery. The device comprises a hanging mechanism, two supporting mechanisms are arranged on the hanging mechanism, the hanging mechanism comprises three hangers, a falling-prevention assembly is arranged above the hangers, and a cleaning assembly and a driving assembly are arranged in the falling-prevention assembly. The driving assembly can change the cable hanging position through forward rotation or reverse rotation, so that the fatigue damage of the cable caused by repeated bending during movement is avoided, the risk of cable breakage is effectively reduced, the service life of the cable is prolonged, and the cleaning assembly can reciprocally rotate in cooperation with the arc-shaped inclined strips during the switching of the clamping position, so that the dust on the surface of the cable can be quickly cleaned. In addition, the cleaning assembly can clean the surface of the cable in a large range as the clamping position of the cable is switched to different lengths, and the running safety and maintenance convenience of the cable are improved.

The application relates to the technical field of swing oil cylinders, in particular to a swing oil cylinder which comprises a cylinder body, an end cover, a piston, and is further provided with a first locking nut which is fixedly connected with the cylinder body, and the hydraulic pressure borne by an output shaft body is transmitted to the cylinder body; the end cover is fixedly connected with the cylinder body, and the reaction force of the hydraulic pressure for moving the piston to a first chamber is transmitted to the cylinder body; the two jointly act on the hydraulic pressure for reciprocating the piston, and the hydraulic pressure no longer directly acts on the output shaft body, so that the reaction force of the hydraulic pressure for reciprocating the piston borne by the output shaft body is not transmitted to a thrust washer or a needle bearing, the thrust washer or the needle bearing is prevented from rotating and rubbing under the condition of bearing huge hydraulic pressure, is quickly abraded or damaged, and a shaft jamming fault is caused, and the service life of a thrust part is prolonged.

The utility model discloses a three -dimensional running water hatching equipment mainly relates to three -dimensional running water hatching technical field. Including support, water inlet pipe, water tank, circulating water pump, the bottom end inner wall of support is provided with the breeding frame, the upper end surface of support is provided with the seedling frame, the inside of support is provided with the mating frame, and mating frame is located the one side of breeding frame and seedling frame each other close, and water inlet pipe is located one side of support, and circulating water pump sets up at the bottom of water inlet pipe, and the output of water tank and circulating water pump fixed communication. The utility model has the beneficial effect that: solved the efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of the high -efficient partition management of