45results about How to "Good for inspection and maintenance" patented technology

The invention discloses a mobile LNG marine fuel tank box, which includes a container standard frame and a tank body. One end of the tank body is equipped with a pipeline system, the pipeline system comprises an exhaust port quick-release coupling, a safe discharge system, a gas port, a self-pressurization device, and a feed liquid port, the exhaust port quick-release coupling, the gas port, and the feed liquid port are dismountable flange interfaces, the feed liquid port and a LNG gas supply system are connected by a Roman Seliger liquid adding gun, the tank body is internally provided with a temperature measuring device, which is in connection with a PLC cabinet. The mobile LNG marine fuel tank box provided by the invention has the characteristics of convenient and fast ''filling'', convenient inspection and maintenance, and high ship space utilization rate, changes a fixed storage tank to a mobile tank box, and changes aquatic filling to land filling.

This invention relates to a general water-turbine of a cooling tower including a case with inlet and outlet, a mainshaft, bearing and a blade wheel mounted on the mainshaft, a delivery zone in the case. The invention eliminates motor and reducing device. The blade wheel is set at the inlet, its intale direction on the sagitted plane is on the same line with the delivery, and strikes the blade wheel in water post geometric shape crossing that of the inlet and slowly releases at the delivery zone after breaking through the impeller to rotate blades and flow out through the outlet.

A mechanical anti-swing bridge crane for transferring and cleaning distillers' grains in the field of special hoisting equipment for wineries comprises a cleaning device, a transferring tank and a bridge frame, the bridge frame comprises two main beams arranged side by side at intervals, and a middle trolley capable of moving and positioning along the main beams and two offset hanging trolleys are arranged between the two main beams and on the two outer sides of the two main beams respectively. The two deflected hanging trolleys are used for lifting the transfer tank, and the middle trolley lifts the cleaning device through a telescopic arm capable of vertically ascending and descending. The bridge crane is reasonable and simple in design, the stability and the positioning accuracy of all the devices in the moving process are improved, and the vinasse pool can be rapidly and cleanly cleaned.

An elevator apparatus enabling the easy maintenance and inspections of a braking device by installing a hoist so that a drive device and a braking device are separated from each other to reduce the installation space for the braking device in a hoistway. The hoist is separated into the drive device and the braking device, and the separated drive device is mounted on an upper return pulley fixed to the top fixed part of the hoistway. The separated braking device is mounted on at least one of car side suspension pulleys and a balance weight side suspension pulley or on both the car side suspension pulleys and the balance weight side suspension pulley.

The invention discloses a lifting turning-over window special for a biological reaction pool of an underground sewage plant. An odor-resistant top plate is formed at the top of the biological reactionpool, a plurality of hollow outer frames are embedded into the odor-resistant top plate, inner frames are embedded in the hollow outer frames, tempered glass is arranged in each inner frame, high-pressure gas nozzle water-spraying openings are formed in the inner edges of the lower surfaces of the inner frames, LED lamp strips are arranged on the lower surfaces of the inner frames, windshield wipers are further arranged at the inner frames, locking devices are arranged between the inner frames and the hollow outer frames, and electric wire connectors and gas-water mixed pipe connectors are arranged at the edges of the hollow outer frames correspondingly. The lifting turning-over window special has the technical effects mainly reflected in the following aspects that (1) the biological reaction pool of the underground sewage treatment plant is closed, the design is reasonable, the structure is simple and light, the production cost is low, and mounting and demounting are convenient; (2)the double-layer tempered glass can bear 500 kg or above of heavy objects, and inspection and overhauling by workers are convenient; and (3) the lifting turning-over window does not affect the overalllayout of a water treatment structure and is attractive and safe.

The invention belongs to the technical field of cables, and relates to a high-core-number density communication cable, which comprises accommodating units, a central reinforcing piece and power transmission bodies, and is characterized in that the accommodating unit consists of a first bone blade, a second bone blade and a skeleton blade, one end of the first bone blade is connected with one end of the skeleton blade, a first clamping hook is arranged at the other end of the first bone blade, one end of the second bone blade is connected to one side face of the first bone blade, a second clamping hook is arranged on one side of the other end of the second bone blade, the second bone blade is parallel to the skeleton blade, a first accommodating cavity and a second accommodating cavity areformed, the power transmission body is located in the accommodating cavity, the clamping hooks limit the power transmission body, the accommodating units are sequentially connected and distributed along the circumferential direction, the adjacent accommodating units share the skeleton blade or the first bone blade, and the central reinforcing piece is positioned in the center of a multi-core cable. The high-core-number density communication cable has the advantages of being simple in structure, high in power transmission density, convenient to maintain and check, light in weight and lower in cost.

The invention relates to a buried pipeline through-wall waterproof device and an installation method.The buried pipeline through-wall waterproof device comprises a flexible sealing sleeve arranged on a buried pipeline in a sleeving mode, the buried pipeline penetrates through an outer wall of an underground building structure, and the flexible sealing sleeve is a conical sleeve and is located in the underground building structure; the large head end of the flexible sealing sleeve is fixedly connected with a connecting piece on an outer wall in a sealed mode through a wall body sealing ring, the small head end of the flexible sealing sleeve is fixedly connected with a buried pipeline in a sealed mode, a telescopic joint formed through folding is arranged in the middle of the flexible sealing sleeve, and the device has the advantages of being simple in structure, low in cost, good in waterproof effect, convenient to inspect and maintain and high in practicability; the mounting method has the advantages of simple process, high working efficiency, safety and reliability.

The invention provides an air exchange fan, comprising a frame and an engine body in the frame; wherein the frame is composed of a bottom piece and a wall piece; the engine body is arranged on the bottom piece from up to down, the bottom piece is arranged on the wall piece and can be disassembled from the lower side after being installed; the wall piece is provided with a hoisting component for hoisting the assembled air exchange fan on the ceiling. In maintenance, the whole fan is not needed to be disassembled from the ceiling, and the fan can be examined by just disassembling the bottom piece.

A hoist for an elevator, wherein a brake side housing is fixed, oppositely to each other, to a motor side housing in which a motor is installed. A pulley is rotatably mounted on a fixed shaft fixed through the brake side housing and the motor side housing. One end parts of a pair of brake arms are rotatably fitted to the brake side housing, and brake shoes in slidable contact with the braking surface of a brake drum are mounted on the brake arms. A braking spring energizing the pair of brake arms in a mutually separating direction is installed in the brake side housing between the pair of brake arms. An electromagnet rotating the brake arms by attracting the other end parts of the pair of brake arms against the elastic force of the braking spring is installed in the brake side housing between the other end parts of the pair of brake arms.

The present invention provides a horizontal transportation type electrolytic plating apparatus enabling easy maintenance inspection of the inner side of an electrolytic plating tank by operators fromthe outside of the electrolytic plating tank. Operators from the outside of the tank can easily perform maintenance inspection of the inner side of the electrolytic plating tank through inspection ports (10, 22) formed by notching side surfaces of the electrolytic plating tank (1) and an auxiliary tank (20). Through pressing members (14), a side cover plate (11) can be simply and reliably mountedto and dismounted from the inspection ports (10) of the electrolytic plating tank. A side cover plate (23) provided with an up-down sliding type mounting and dismounting structure is mounted on inspection ports (22) of the auxiliary tank, and can be simply and reliably mounted and dismounted. A clamping tool (5) clamping two side edges of a substrate product (P) for transportation is configured such that the clamping tool can be simply mounted and dismounted through a bolt (41) for fixation and a bolt engagement hole (40). Through dismounting the clamping tool, maintenance inspection of the inner side of the electrolytic plating tank can be performed more easily.

The invention discloses a device for treating shale gas wastewater based on a disc tube type reverse osmosis membrane, which comprises a shell. An upper pressing plate and a lower pressing plate are arranged in the shell, a central screw rod is vertically arranged at the central position of the upper pressing plate and the lower pressing plate, and a clear water outlet is formed in the side surface of an upper positioning cushion block above the central screw rod. The upper plane of the upper pressing plate is respectively provided with a water inlet, a flushing water supply pipe and a concentrated solution outlet, the lower pressing plate is provided with a flushing water drainage pipe, an S-shaped flow guide disc and a membrane are arranged between the upper pressing plate and the lower pressing plate, one end of the membrane is horizontally arranged between the clamping blocks, and springs are arranged at the contact positions of the clamping blocks and the membrane. A clear water channel is arranged between the clamping block and the central screw rod, the clear water channel extends upwards to be communicated with a clear water outlet, a plurality of convex points protruding outwards are evenly arranged on the surfaces of the flow guide discs, and the membrane is horizontally arranged between the flow guide discs. The device has the advantages of high pollution rejection rate, good purification effect, long service life of the membrane, easy maintenance, and low investment and operation cost.

The invention discloses a shockproof portable cable bridge; overheating flame-retardant assemblies are installed at the positions between a cable cover and cable boxes, an installation pipe is embedded in an installation hole in a penetrating mode, vent holes are evenly formed in the top face of a partition plate, a vacuum pump is installed on the top face of the installation pipe, and a magnet is attracted to the middle of the bottom face of an end plate. The adjacent cable boxes are connected through a connecting and sealing assembly, shockproof mounting assemblies are uniformly distributed at the bottom ends of the cable boxes, a branching inspection assembly is mounted on the top surface of the cable cover, and lead supporting assemblies are mounted in the cable boxes. According to the invention, a connection closing assembly is used for closing the connection part of the cable bridges, so that the internal space of each bridge is relatively closed; The connection and installation effect is improved and the overheating flame-retardant assemblies are used in cooperation, the use effect of the overheating flame-retardant assemblies is better, shockproof installation assemblies are used for installing and fixing the cable bridges, the branching inspection assembly and the lead supporting assembly cooperate with the installation process, cable abrasion is prevented, cable arrangement is convenient, and use is more convenient.

The invention relates to a multifunctional paddle moment ruler which comprises a clamp, a body, a dial, a horizontal indicator, an adjuster and a tension spring. The clamp is used for ensuring that the propeller blade is reliably clamped by the propeller moment ruler; the body is used for providing an installation space for the clamp, the adjuster, the dial, the horizontal indicator and the tension spring. The dial is used for marking the scales of the initial position and the final position of the level indicator; the horizontal indicator is used for indicating the variable quantity of the propeller pitch angle; the adjuster is used for adjusting the position of the horizontal indicator to ensure that the horizontal indicator is always horizontal; the tensioning spring is used for providing tensioning force for reliably clamping the propeller blade for the clamp. According to the invention, the functions of propeller pitch angle comparison and variable quantity measurement are realized by using the equipment.

The invention discloses an easy-to-install numerical control fan, which comprises a casing, a fan blade, a moving block, a casing, a rear cover for installation, a drive motor, a mounting pin shaft, and a clamping shaft. Groove and rear groove, the bottom of the shell is fixedly installed with an organic casing, the bottom of the casing is fixedly installed with a bottom plate, both sides of the casing are located inside the bottom plate and are provided with travel grooves, the inner side of the rear groove can be The installation back cover is disassembled and installed; the present invention installs a moving block that can move, and installs a mounting pin with a connecting spring in the moving block, and can directly align the mounting pin according to the mounting hole position on the mounting surface The connection hole on the installation surface can make the installation pin shaft directly enter the installation hole through the action of the connection spring to complete the installation. Compared with the traditional non-movable installation block, the fan does not need to move the fan itself during installation. The installation can be completed by directly moving the moving block, which is convenient for installation.

The invention discloses an electric heating drying oven. The electric heating drying oven comprises a shell, a fan, heating tubes and a liner. The fan is fixedly embedded into the outer surface of oneside of the liner. The heating tubes are fixedly installed on the outer surfaces and the outer bottom ends of the two sides of an opening in the side, with the fan, of the liner respectively. Protruding rivet structures are fixedly installed on the outer surfaces of the two sides of the liner respectively. Each protruding rivet structure comprises a lifting lug and a blocking piece. The liner ismovably connected with an outer shell. An air outlet pipe is installed in the outer shell and the top of the liner in penetration manner. A tube end connection flange and a tube end installation flange are fixedly installed at the two ends of the air outlet pipe respectively. The tube end connection flange is used for connection with a drying oven air outlet channel. According to the electric heating drying oven, because of a series of arranged structures, the circulation efficiency of hot air inside the drying oven is improved in the process of drying materials because of application of the electric heating drying oven, the use ratio of heat energy is increased, and the better drying effect is achieved.

The invention belongs to the technical field of railway signal construction, aims to solve the technical problems of serious crossing of various cables, disordered construction procedures, long construction period and low working efficiency in existing railway signal indoor construction, and provides a railway signal indoor process improvement construction method which comprises the following steps: 1, setting indoor cabinet layout; 2, planning a cable trend and drawing a cable trend construction path diagram; 3, installing the cable support; 4, arranging and fixing indoor cables; 5, arrangingfactory wiring, arranging a computer room to a console cable; 6, installing a cable routing frame; 7, introducing the cables; 8, carrying out primary end forming and cable fixing; 9, carrying out secondary end forming and cable fixing; 10, carrying out cable and lightning protection branch cabinet connection; 11, setting indoor equipment lightning protection and grounding; 12, laying indoor copper foil; and 13, setting electrostatic floor laying and indoor identification. The construction efficiency is improved, and the construction cost is saved.

The invention discloses a flexible sealing deodorizing cover for driving-type water treatment equipment, which comprises: a vertically arranged first support mechanism, which is located on one side of the suction pipe or scraper bracket of the driving-type water treatment equipment, and One end is fixed on the corresponding beam; the first support mechanism is laid with a first bead; the second support mechanism arranged vertically is located on the other side of the driving-type water treatment equipment suction pipe or scraper bracket, and one end is fixed On the corresponding beam; the second support mechanism is laid with a second layer; a first seal, which is fixed on the other end of the first support mechanism; a second seal, which is fixed on the other end of the second support mechanism One end; the first seal and the second seal are respectively flexibly connected to the sides of the corresponding straw or scraper bracket. Its advantages are: the running parts of the driving type water treatment equipment are closed close to the body, the deodorizing cover does not affect the overall layout of the water treatment structure, the design is reasonable, and the structure is simple and light.

A panel mount connector includes a housing that mounts to a panel from a terminal side of the panel and a terminal module that is configured to be supported by and inserted in a channel in the housing from a cable side of the panel. A secondary piece can be used to secure the terminal module to the housing and provide sufficient structure robustness while allowing for ease of assembly and disassembly.

The invention provides a metering device secondary circuit detector and a detection method thereof. The invention discloses a detector capable of rapidly judging whether the metering device secondary circuit has abnormal wiring. The detector comprises a secondary circuit line clamp, a test reference signal generation unit, a test result signal sampling unit, a test result signal testing unit and a display unit. The detector adopts intersectant controllable alternating-current test reference signals to obtain test result signals of each phase wiring by comparing the obtained signals with nominal values to determine the phase with a wiring error and the error type thereof. There is no need to load the detector by switching on the current or investigate the detector wine-by-wire by taking the wires out and switching off the current. The detector can rapidly locate wiring errors in energy meters such as three-phase three-wire meters, and determine error types of the wiring errors. The detector has the advantages of being simple in operation, time-saving and labour-saving.

The invention discloses an electric power communication optical cable wiring method and a ring network system. The method comprises the following steps of 1, arranging an optical cable splice closure, leading an electric power communication optical cable into the optical cable splice closure from a transformer substation, and forming an incoming optical cable; 2, selecting empty screen cabinets with ODF optical fiber distribution frames on two sides in a secondary equipment room, setting one empty screen cabinet as a communication light distribution screen, and setting the other empty screen cabinet as a protection light distribution screen; 3, laying an optical cable from the communication light distribution screen and connecting the optical cable to the optical cable splice closure to form a first guide optical cable, and laying an optical cable from the protection light distribution screen and connecting the optical cable to the optical cable splice closure to form a second guide optical cable; and 4, a third guide optical cable used for connecting the two cabinets being laid between the communication light distribution screen and the protection light distribution screen. The ring network system comprises an optical cable splice closure, a communication light distribution screen and a protection light distribution screen which are connected with one another through guide optical cables to form an annular loop. According to the method, the risk of transmission channel shutdown caused by fiber breakage of the optical cable is eliminated.

The invention provides a centralized lubrication cooling and cleaning system and a tractor. The system comprises a gearbox, an oil filter, an oil cooler and a lubrication pump. The oil filter is connected with the bottom of the gearbox through a filtered oil inlet pipe, the oil filter is connected with the oil cooler through an oil cooler oil inlet pipe, the oil cooler is connected with the lubrication pump through an oil cooler oil outlet pipe, the lubrication pump is connected with the top of the gearbox through a lubrication pump oil outlet pipe, and therefore lubrication oil at the bottomof the gearbox is conveyed into the top of the gearbox for lubrication. The lubrication system is simple, through a simple oil liquid loop, flushing lubrication of oil liquid in the gearbox from top to bottom is achieved, self cleaning for lubrication oil liquid in a gear transmission box is achieved through a machine, oil liquid of a gear transmission pair in the gearbox is effectively cooled through the oil cooler, convenience is brought to a tractor driver for maintaining and examining gear transmission components, the service life of all components in the gearbox is prolonged, the servicelife of lubrication oil is prolonged, and the product using cost is reduced.

The invention belongs to the technical field of railway signal construction. In order to solve the technical problems of serious crossing of various cables, chaotic construction procedures, long construction period and low work efficiency in the existing railway signal indoor construction, a method for improving the construction process of the railway signal indoor is provided. Including the following steps: Step 1, indoor cabinet layout, Step 2, planning cable routing, drawing a construction path diagram of cable routing, Step 3, installing cable brackets, Step 4, indoor cable layout and fixing, Step 5, tidying up Factory wiring, arranging the cables from the computer room to the console, step 6, installing the cable tray, step 7, cable introduction, step 8, first-time termination and cable fixing, step 9, second-time termination and cable fixing, steps 10. The cable is connected to the lightning protection distribution cabinet, step 11, indoor equipment lightning protection and grounding, step 12, laying indoor copper foil, step 13, laying static floor, indoor signs. The invention improves construction efficiency and saves construction cost.

The invention relates to a sensor fixing device. The sensor fixing device comprises a first clamping block and a second clamping block. The two clamping blocks are matched with each other and are usedfor clamping a rotating piece on a corresponding isolating switch, an elastic piece for keeping the first clamping block and the second clamping block clamp the rotating piece is arranged between thefirst clamping block and the second clamping block, a posture sensor for detecting the moving state of the rotating piece is fixed to the first clamping block or the second clamping block, and the two clamping blocks are each provided with a clamp matching part used for being matched with a dismounting clamp to enable the two clamping blocks to overcome the elastic force to release the clamping effect on the rotating piece. Through the cooperation of the dismounting clamp and the sensor fixing device, the sensor fixing device can clamp a crank arm rotating piece under the action of the elastic force or release the clamping of the sensor fixing device on the crank arm rotating piece under the action of the dismounting clamp, thereby realizing the mounting and dismounting of the sensor fixing device under the condition that the isolating switch is not powered off.

The invention relates to an outdoor transformer box structure convenient to operate, maintain and overhaul, and the structure comprises a top plate and a bottom plate which are positioned underground, wherein side wall plates are arranged between the top plate and the bottom plate, and the top plate, the bottom plate and the side wall plates define an underground accommodating box; the bottom plate is a reinforced concrete layer, and each side wall plate comprises a cast-in-place concrete base wall body and a composite fireproof plate, wherein the composite fireproof plate comprises a fireproof plate base plate, the inner side of the fireproof plate base plate is an inner bonding layer, the inner side of the inner bonding layer is an inner reinforcing layer, the outer layer of the fireproof plate base plate is an outer bonding layer, and the outer side of the outer bonding layer is an outer reinforcing layer; The composite fireproof plates are connected to the cast-in-place concrete base wall bodies through the connecting piece, and the connecting piece penetrates through the composite fireproof plates composed of the outer reinforcing layers, the outer bonding layers, the fireproof plate base plates, the inner bonding layers and the inner reinforcing layers to be firmly connected with the cast-in-place concrete base wall bodies.

An excellent weight-balanced lap furnace cap loading-unloading machine and its gated trolley of furnace frame sweeper are disclosed. It is overlapped on mover (51) freely by furnace chamber line of coke furnace and operated movingly by furnace chamber, main frame (62) is supported by body laid on rail of mover (51), the main frame consists of at least two connected longitudinal pillars (62A) and (62B), which support furnace cap loading-unloading machine (16) and furnace frame sweeper (17) moving freely, guide grille (56) is arranged between furnace cap loading-unloading machine (16) and furnace frame sweeper (17).

The invention relates to a combined adjustable cable support. The combined adjustable cable support comprises a fixing part and at least one group of support parts, wherein the fixing part comprises a cross rod, nuts and a deformation alarm; the deformation alarm comprises a deformation sensor, a power supply, a controller, an alarm and a casing; the deformation sensor is mounted in the middle of the cross rod; the power supply and the controller are mounted in the casing; the alarm is mounted outside the casing; the deformation sensor, the power supply and the alarm are electrically connected with the controller; each support part comprises a hanging rod support, a cable support and a sleeve; the cable support comprises a supporting plate and reinforcing ribs; a mounting hole is formed in one end of the supporting plate, and a blocking column is arranged on one surface of the supporting plate; an insertion hole is formed in the side surface of the sleeve; the supporting plate is fixed in the insertion hole through a plug pin; a positioning hole is formed in the sleeve; fixing holes of a mounting positioning pin and a spring are formed in the side surface of the sleeve; the hanging rod support comprises a vertical rod and a base plate with an adjusting hole; external threads are formed at the upper end of the vertical rod, and internal threads are formed at the lower end of the vertical rod. The combined adjustable cable support can effectively solve the problems that the angle adjustment of the cable support is inflexible, and increasing cable supports during the later period is difficult.

The invention discloses a filtering device for producing an emulsifier by using food protein as a raw material. The filtering device comprises a box body and a filtering plate, the upper surface of the box body is fixedly connected with a feeding hopper, the lower surface of the box body is fixedly connected with a plurality of supporting legs distributed in an array, the filtering plate is installed in the box body, and the filtering plate comprises a plane filtering plate and an arc surface filtering plate; a plurality of filter holes are formed in the surfaces of the plane filter plate and the cambered surface filter plate, the plane filter plate is obliquely mounted in the box body, the cambered surface filter plate is fixedly connected with the lower end of the plane filter plate, a bidirectional screw rod is arranged above the cambered surface filter plate, the bidirectional screw rod is rotatably connected with the box body, and the bidirectional screw rod is slidably sleeved with a material pushing disc in the thread direction; and the lower side of the material pushing disc is in contact with the inner cambered surface of the cambered surface filter plate and slides. The device has the advantages that the filter area is increased, impurities are conveniently collected, the filter holes are prevented from being blocked, the impurity cleaning efficiency is improved, inspection and maintenance are facilitated, and the use requirements of people are met.

The rotating axle with a intermediate wheel of drive pully is fitted plumply. The main rope has parallel two routes and respectively independent first rope and second rope, their one end is counted with weight which is used to conduct direction change through diviation wheel, and the other end is conducted direction change respectively using the first car through one diviation wheel and the secondarg car through the other diviation wheel.

The invention relates to an automatic control system of a land leveler. The system comprises a main body, wherein a control chamber is welded to an outer wall of one side of the main body, a directional antenna, a positioning antenna and a positioning and orienting terminal device are arranged in the control chamber, and an outer wall of one side of the control chamber is connected with a controlchamber door through a lock body. The system is advantaged in that by arranging a first positioning antenna sensor, a second positioning antenna sensor and an inclination angle sensor, a scraper can be positioned, so the land leveler can level a to-be-leveled surface with longitudinal and transverse gradients, by arranging a USB interface and an operation screen, the vertical position of the scraper can be automatically adjusted according to an imported model, an application range of the land leveler is expanded, and applicability of the land leveler is enhanced, by setting three-dimensional design model display of the operation screen, according to graphical and three-dimensional information reference, an operator can visually know the flat ground state information, and construction is rapid.

A panel mount connector includes a housing that mounts to a panel from a terminal side of the panel and a terminal module that is configured to be supported by and inserted in a channel in the housing from a cable side of the panel. A secondary piece can be used to secure the terminal module to the housing and provide sufficient structure robustness while allowing for ease of assembly and disassembly.