56results about How to "Good overhaul" patented technology

The invention provides a motor train unit train unit bogie disintegration flow line maintenance system capable of intelligently maintaining various motor train unit bogies of CRH (china railway high-speed) series in a high-efficient and high-quality manner and a maintenance method thereof. The motor train unit train unit bogie disintegration flow line maintenance system comprises a motor dismounting system, a cleaning and drying system, a component dismounting system and a framework wheel pair separation system which are sequentially connected. The motor train unit train unit bogie disintegration flow line maintenance system is integrated, various scattered stations are reasonably arranged to form a flow line, and maintenance process is in a flow line operation manner. A central control system and the stations form a local area network to realize data transmission, automatic recognition of workpieces and one-to-one correspondence of data and workpieces, the central control system can functionally direct a home station to maintain according to a finished operation condition, so that data automation and intelligence and programming of maintenance are achieved. Due to streamlining and intelligence of maintenance and functional automation of logistics, high-efficiency, high-quality and intelligent of maintenance is achieved.

The invention provides a motor train unit bogie assembling test flow line maintenance system capable of intelligently maintaining various motor train unit frameworks of CRH (china railway high-speed) series in a high-efficient and high-quality manner and a maintenance method thereof. The motor train unit bogie assembling test flow line maintenance system comprises a framework and wheel pair assembling system, a motor assembling system, a component assembling system, a bogie measuring and adjusting system, a bogie static loading test system, a lifting component assembling system, an electric and brake test system and a bogie dynamic loading test system which are sequentially connected. The motor train unit bogie assembling test flow line maintenance system is integrated, various scattered stations are reasonably arranged to form a flow line, and maintenance process is in a flow line operation manner. Due to streamlining and intelligence of maintenance and functional automation of logistics, high-efficiency, high-quality and intelligence of maintenance is achieved.

The invention discloses a multipoint air inlet-based replacement ventilation system by using geothermal energy, comprising a plurality of air inlet units, wherein the air inlet units are communicated with an air supply outlet arranged at the indoor bottom through a main blast pipe; the main blast pipe is embedded in a geothermal energy exchange region with stable temperature in soil to realize outdoor air collection of different regions; an air inlet device can be integrated with equipment, such as outdoor lighting, sound and the like, thus the comprehensive function of the air inlet device is increased; externally arranged blowers are arranged outdoors and dispersedly, thus the externally arranged blowers are convenient to examine and repair and are in particular suitable for small individualized ventilation system, and the system is simple to run and manage; as the geothermal energy is effectively used, the energy consumption of heating or cooling the ventilation system is reduced; by using the mechanism only possessed by replacement air supply, 'air lake' phenomenon, the outdoor air meeting individual needs is earliest sent to a working region at a lower air speed through a replacement lower air supply outlet in different seasons or different time periods, and the outdoor natural environment is used more effectively.

The invention relates to a cable hole plugging device, which is used for plugging a cable hole penetrating through a reinforced concrete wall. A cable is arranged in the cable hole; the cable hole plugging device is characterized by comprising an engineering plastic piece and a rubber and plastic sealing waterproof material layer, wherein the engineering plastic piece is sleeved outside the cable and is connected with the reinforced concrete wall; the rubber and plastic sealing waterproof material layer is arranged between the engineering plastic piece and the cable and between the engineering plastic piece and the reinforced concrete wall. Compared with the prior art, the cable hole plugging device has the advantages of safety, reliability, high antiseep performance, convenience for maintenance and the like.

The invention discloses a three-hole parallel magnetic levitation vacuum tunnel structure. The structure comprises running tunnels on the two sides and a service tunnel on the middle. The running tunnels and the service tunnel are connected through a connection channel, the interiors of the running tunnels are vacuum environments, the bottoms of the running tunnels are in under-rail filling, a magnetic levitation rail beam is placed on the filling face, a magnetic levitation train runs on the magnetic levitation rail beam, the interior of the service tunnel is the normal pressure environment,the bottom of the service tunnel is in filling under equipment, equipment needed by magnetic levitation running is placed on the filling face, other spaces serve as evacuation channels, one end of theconnection channel communicates with the running tunnels, the other end of the connection channel communicates with the service tunnel, and a vacuum isolation wall and a vacuum isolation door are arranged on the connecting position of the communication channel and the running tunnels. The low-vacuum environment can be ensured, the ground space use can be reduced, adaptation to the terrain is high, the tunnel structure with good passenger evacuation, personal inspection and equipment arranging capacity is achieved, and meanwhile, practicability, safety and economy are all considered.

The invention provides a conductor shunt. A circuit for realizing shunting of electrical signals of a main wiring harness and a shunting wiring harness is arranged on a PCB. Incoming line conductive tubes and outgoing line conductive tubes are connected with the PCB and are electrified; and plugging holes are formed in the incoming line conductive tubes and the outgoing line conductive tubes. Mounting holes communicated with the plugging holes are formed in a sealed housing; and internal threads are arranged in the mounting holes. Guiding elements are provided with via holes matching the main wiring harness and the shunting wiring harness and an interference fit is formed; and external threads matching the internal threads of the mounting holes are arranged at the peripheral of the guiding elements. When the guiding elements and the mounting holes are connected, conductors of the main wiring harness or the shunting wiring harness can be inserted into the corresponding plugging holes. According to the conductor shunt, routing can be carried out directly on the circuit board, so that the assembling time can be saved and the production efficiency can be improved; and because of the waterproof and dustproof effects of the conductor shunt, overhaul can be realized conveniently. When the conductor shunt is in use, the interference by an external environment can be avoided; and the service life of the conductor shunt is long and the excellent performance of the electric vehicle can be guaranteed.

The invention relates to a turnover mechanism based on a double-rocker connecting rod. The turnover mechanism comprises a turnover plate, a double-rocker connecting rod assembly, a sliding limiting assembly and a supporting seat. The double-rocker connecting rod assembly comprises a connecting rod, a motor used for driving the connecting rod to rotate, a first double-rocker and a second double-rocker, wherein the first double-rocker and the second double-rocker are symmetrically arranged on the front side and the rear side of the connecting rod. The upper end of the first double-rocker and the upper end of the second double-rocker are connected with the front side and the rear side of the middle section of the turnover plate correspondingly, and the lower end of the first double-rocker and the lower end of the second double-rocker are connected with the front end and the rear end of the connecting rod correspondingly. The sliding limiting assembly comprises a connecting rod, a first sliding limiting block and a second sliding limiting block, wherein the first sliding limiting block and the second sliding limiting block are arranged at the left end and the right end of the connecting rod correspondingly. The connecting rod is in transmission fit with the connecting rod through a gear. The turnover plate is arranged above the supporting seat, the connecting rod is installed on the supporting seat, and the first sliding limiting block and the second sliding limiting block are in sliding fit with the left end and the right end of the supporting seat correspondingly. The turnover mechanism has the beneficial effects of being simple in mechanical structure, small in size, convenient to overhaul, low in cost and the like and is suitable for being used by small enterprises.

The invention provides a long-stroke heavy drag chain operating device. The long-stroke heavy drag chain operating device comprises a guide rail and a supporting roller bracket. The supporting rollerbracket is arranged between an upper drag chain segment and a lower drag chain segment and is provided with first supporting rollers matched with the guide rail and second supporting rollers suitablefor supporting the upper drag chain segment. As the upper drag chain segment is in rolling connection to the second supporting rollers, compared with the prior art, the friction force between the supporting roller bracket and the upper drag chain segment is reduced, so that on the one hand, the supporting roller bracket is unlikely to deform, conditions that a drag chain is derailed and a drag chain body is damaged are prevented effectively, the service life is prolonged and the maintenance and replacement costs are lowered, and on the other hand, the driving force for drag chain operation isreduced.

The invention relates to a water cooling system of a transformer. The water cooling system comprises a water storage pool, a water pump and a water pipe. The water cooling system is characterized in that a water inlet of the water pump is located in the water storage pool, one end of the water pipe is connected to a water outlet of the water pump, the other end of the water pipe is connected with a cooling water pipe, the other end of the cooling water pipe is sealed, the cooling water pipe is placed on middle supporting frames of heat sinks of the transformer and provided with water outlets corresponding to the heat sinks, a water return pool is arranged below the heat sinks, and the water return pool is communicated with the water storage pool through a water return pipe. The water cooling system of the transformer is simple in structure, convenient and safe to mount and inhaul, good in cooling effect and capable of effectively cooling the heat sinks, water and electricity are saved, and the reliability of power supply is improved.

The invention discloses a curtain. The curtain comprises a curtain body, a stretching piece and a control device, wherein the curtain body is provided with a top and a bottom opposite to the top; thestretching piece at least penetrates through part of the curtain body along the top of the curtain body and in the top direction; the control device is arranged at the bottom of the curtain body and drives the stretching piece to open and close the curtain body in the direction from the top to the bottom. Compared with the prior art, the structure is simple and exquisite, installation and maintenance are convenient and easy, and the application range is wide.

The invention relates to electric power facilities, specifically a cable channel and a cover plate, including a cable channel (1) and a cable cover plate (2); the cable channel (1) is provided with a metal convex track (3); the The metal concave track (4) is symmetrically arranged on both sides of the cable cover (2), and the metal concave track (4) is narrow in the middle and wide at both ends; the cable cover (2) is placed in the cable channel (1) through the track superior. The height of the metal concave track (4) is lower than that of the metal convex track (3). The invention has a reasonable design, and the cable channel cover plate and the cable channel are each equipped with two tracks, the track on the cable cover plate is a concave track, the track on the cable channel is a convex track, and the two convex and concave tracks are used together.

The invention provides a magnetic-suspension runner power generation assembly integrating water energy with funnel impact, and the magnetic-suspension runner power generation assembly mainly solves the problems that a conventional hydraulic power generation device is high in erection cost and is great in building difficulty. A rotary wheel bin (2) is mounted above a power generation bin (1); an impact rotary wheel (5) is arranged inside the rotary wheel bin (2); an inlet direction facing towards water flow of the rotary wheel bin (2) is equipped with a water collecting funnel (4) which is in the shape of a funnel with a diffused opening, and is wide in left and is narrow in right; a water inlet of the water collecting funnel (4) corresponds to the impact rotary wheel (5); a water outlet isformed in the right side of the rotary wheel bin (2); the lower end of the central shaft of the impact rotary wheel (5) extends into a power generation bin, and is equipped with a roller; a belt drives a power generator mounted inside the power generation bin (1); and a channel (3) is further arranged on the power generation bin (1), so that a worker conveniently enters to maintain. A dam does not need to build by barrage, so that a great deal of building cost is reduced.

The invention discloses an adjustable battery pack heat dissipation system and method based on a negative thermal expansion material. The system is composed of a variable-section cooling water pipe, a flow velocity sensor, a water temperature sensor and a controller. A plurality of cooling water pipes are bent and attached to the surface of a battery pack, each cooling water pipe is composed of an aluminum alloy shell and a middle partition plate of a negative thermal expansion structure, a plurality of flow velocity sensors and water temperature sensors are evenly distributed on the cooling pipes, the sensors collect cooling water flow data and are connected with a controller, and the controller controls a water pump. The flow velocity is changed by matching with a variable-section pipeline. By means of the deformation characteristic that the negative thermal expansion material shrinks after being heated, the cross section area of the pipeline can be increased along with increase of the cooling water temperature, meanwhile, the controller controls the water pump to increase the rotating speed, and finally the cooling efficiency of the cooling system is improved.

The invention discloses an LED colored lamp for building decoration. The LED colored lamp comprises a lamp strip and a lamp shell mounted on the lamp strip. LED colored lamp beads are mounted in the lamp shell. A square cavity is formed in the side wall of the lamp shell. The inner bottom of the square cavity is fixedly connected with an arc-shaped cover; the arc-shaped cover is made of piezoelectric ceramic materials, the two ends of the arc-shaped cover are connected into a power supply circuit of the LED colored lamp beads in series through capacitors, vent holes are formed in the side wallof the lamp shell, the vent holes are communicated with the square cavity through negative pressure holes, and circular grooves communicated with the vent holes are formed in the side wall of the lamp shell. According to the invention, the air velocity in the vent holes is continuously changed; the arc-shaped cover made of the piezoelectric ceramic vibrates up and down continuously, induced current is generated, the flickering lamplight change effect is finally generated, electronic equipment does not need to be mounted to control lamplight change, the structure is simple, only a simple lampbody power supply line needs to be mounted, the construction difficulty is low, energy is saved, environmental friendliness is achieved, and maintenance is convenient and easy.

The invention provides a centrifugal flue gas desulfurization and denitration dedusting tower, which includes an outer tower body, a flue gas inlet tube, an inner cylinder and a spraying device. The flue gas inlet tube is arranged on a tower top side wall of the outer tower body, and forms an angle of 45 degrees with a tangent line of the outer tower body's outer wall surface, so that flue gas can form cyclone after entering the tower cavity. The inner cylinder is hung at the top of the outer tower body, the lower end opening of the inner cylinder is provided with a guide sleeve for flow guiding. The spraying device is equipped with a plurality of spray guns, the liquid sprayed by nozzles of the spray guns is used for desulfurization, denitration and dedusting treatment of external flue gas, and the spray guns are detachably and evenly inserted to the tower top between the outer tower body and the inner cylinder through a sealed insertion seat. According to the invention, the flue gas can form cyclone, the disposed inner cylinder makes the rotation standing time of flue gas in the tower cavity not less than 4 times longer than the original and achieve uniform stirring. The spraying device adopts a tower top layout, spraying can be more uniform, also the spray guns of the spraying device are mounted through the sealed insertion seat, inspection and repair can be very simple and convenient, and the nozzles are not blocked easily.

The invention discloses a multicomputer cabinet and relates to a computer cabinet. The multicomputer cabinet is designed to solve the problem that computer mainframes are placed respectively and are large in occupied space and unfavorable for unified management. The multicomputer cabinet comprises a cabinet body capable of pacing a plurality of computer cases. The cabinet is used for placing multiple computer mainframes, a seat of each person no longer needs to be provided with a space for placing the computer mainframe, the office area utilization rate is improved, and unified management is facilitated.

The invention discloses a curtain. The curtain comprises a curtain body and a control device; the curtain body is provided with a top and a bottom opposite to the top; the control device is arranged at the bottom of the curtain body, the control device is provided with a shell, a driving module, an execution module connected with the driving module and a power supply module, the driving module, the execution module and the power supply module are arranged in the shell, and the power supply module is electrically connected with the driving module; and the driving module is used for driving the execution module to open and close the curtain body in the direction from the top to the bottom. Compared with the prior art, the structure is simple and exquisite, installation and maintenance are convenient and easy, and the application range is wide.

The invention discloses an efficient energy-saving draught fan convenient to overhaul. The efficient energy-saving draught fan is composed of a supporting assembly, a transmission mechanism, an impeller, a machine shell and an air inlet ring, the supporting assembly comprises an installation base, machine bases are arranged on the two sides of the installation base correspondingly, and three installation holes are formed in the front face of each machine base. The transmission mechanism is in threaded connection to the upper surface of the installation base through first screws, the machine shell is in threaded connection to the front faces of the machine bases through second screws, the outer diameter of the second screws is matched with the inner diameter of installation holes, and the impeller is arranged in the machine shell. During use, an arranged motor is started to drive the impeller connected through a connecting shaft to rotate, gas entering the machine shell through the air inlet ring is compressed through rotation of the impeller, then the gas is conveyed outwards from a rectangular air outlet, the impeller is a backward impeller, the current of the motor can be stable, the performance is more stable, and the whole draught fan is small in size. A bearing box is not arranged, and maintenance and overhaul are convenient and easy.

The invention discloses a high-flow single-stage double-suction centrifugal slag flushing pump. The high-flow single-stage double-suction centrifugal slag flushing pump comprises an impeller, a pump shaft and a pump case. The pump shaft penetrates through the two sides of the pump case. The impeller is located in the pump case and connected to the pump shaft through an impeller key in a sleeving mode. The pump case is of a double-volute structure. The impeller is provided with eight impeller blades arranged in central symmetry, and a sharp-crested impeller water outlet is formed between the two of the impeller blades. Through the high-flow single-stage double-suction centrifugal slag flushing pump, the problems that a single-stage centrifugal slag flushing pump is large in size and small in flow and big-size and big-weight waste slag are not flushed cleanly in the prior art are solved.

The invention discloses an electric pulse dredging device for cardiovascular and cerebrovascular disease treatment. The electric pulse dredging device comprises an operation table, a bed board, a lifting table and a wiring clamping sleeve, wherein the bed board is clamped on one side of the operation table, a rubber cushion is fixedly connected to the upper surface of the bed board, a guardrail is fixedly connected to one side of the top of the bed board, a connecting column is fixedly connected to the bottom of the bed board, a cushioning spring is movably connected to the interior of the connecting column, a telescopic rod is movably connected to the interior of the cushioning spring, and a bearing column is movably connected to the bottom of the cushioning spring. According to the electric pulse dredging device, the operation table and the bed board are arranged, the bed board is clamped on one side of the operation table, the rubber cushion is fixedly connected to the upper surface of the bed board, when cardiovascular and cerebrovascular treatment needs to be carried out on a patient, the patient can lie on the bed board, so that the treatment operation can be carried out conveniently under the condition that the patient is in a coma or is unconscious, the operation table can be separated from the bed board, the operation table can be operated independently, and the device is multifunctional.