43results about How to "Avoid installation" patented technology

A housing (1) of a rotary electric machine, comprising a housing outer part (2) and a housing inner part (3) between which a passage (3a) for a cooling fluid is provided, the housing inner part (3) comprising at least one fixed portion (5) at a first end (4a), the housing inner part (2) comprises at least one fixing portion (4) having at least one opening (6) configured to receive a fixing element (7) for coupling the housing inner part (2) to the housing outer part (3), and the housing inner part comprises a second end (4b) without a fixing portion, the second end (4b) being configured to receive the fixing element (7) for coupling the housing inner part (2) to the housing outer part (3). The housing inner part (3) has a second end (4b) opposite the first end (4a) along a longitudinal axis (X) of the electric machine, a gap (J) being provided between the fixed portion (5) and the housing outer part (2), and a contact surface (9) between the housing inner part (3) and the housing outer part (2) being provided at the second end (4b).

This utility model discloses a dust collector for flue gas and dust, relating to the field of waste gas treatment. The key technical features are: a housing and several filter bags; the top of each filter bag is snapped onto the top surface of the housing; a fixing ring is fixedly connected to the bottom surface of each filter bag; several fixing plates are detachably connected to the inner wall of the housing; the fixing rings are detachably connected to the fixing plates; and a through groove is provided on the top surface of each fixing plate. When the fixing plate is connected to the fixing ring, the filter bag is taut, thus keeping it in an extended state, avoiding the need for a frame and ensuring the effective filtration area of ​​the filter bag surface. The PTFE material has good tensile strength, thereby ensuring the service life of the filter bag in a stretched state. The through groove penetrates the fixing plate, ensuring that the flue gas passes smoothly through it.

The utility model provides a battery pack air tightness detection tool, which comprises a base and a pressing assembly arranged above the base, an accommodating space for accommodating a battery pack is formed between the base and the pressing assembly, the pressing assembly comprises a support frame arranged on the base in an up-and-down sliding manner, and the support frame is arranged on the base in an up-and-down sliding manner. The supporting frame is arranged on the base, the mounting plates are arranged on the supporting frame and arranged in the length direction of the base at intervals, each mounting plate is in threaded connection with a plurality of screw rods, the screw rods on each mounting plate are arranged in the width direction of the base at intervals, and one end of each screw rod extends into the containing space and can press the top of the battery pack. The battery pack air tightness detection tool is simple in design structure and can adapt to battery packs of different sizes, and a detection tool does not need to be independently designed for each type of battery pack.

The present application relates to a kind of high temperature lens cooling protection device of universal adjustment, including cast-off component, cooling system, lens, lens fixed assembly and adjusting component;The lens fixed assembly includes fixed sleeve and moving piece, the lens is located inside fixed sleeve, the moving piece is connected fixed sleeve, for driving fixed sleeve moves along axial direction;The lens fixed assembly connects cast-off component, and the cast-off component is used to adjust the height and inclination angle of lens fixed assembly;The cooling system is connected with fixed sleeve by adjusting component, and the cooling system is used to transport cooling gas into fixed sleeve, and the adjusting component is used to adjust the rate of cooling cooling system to transport cooling gas.Compared with prior art, the present application has the advantages of convenient operation, high diagnostic efficiency etc..

The utility model discloses a kind of display devices, it is related to display device technical field, wherein, display device includes: shell, display module, mounting bracket and source drive board, shell one end opening is set;Display module is located at the opening of the shell, and display module includes display panel;Mounting bracket is detachably installed in shell, and it is located at the bottom of display module towards the side of shell;And, source drive board is located in shell and is installed in mounting bracket, and source drive board is electrically connected with display panel by cable.The utility model provides technical scheme in which the position of shell opening is used to install display panel, and the bottom opposite to opening installs backboard, mounting bracket is set in shell and between display panel and backboard, source drive board is installed, by changing the installation position of source drive board, original shell is encapsulated using, to avoid installing source drive board on the back of backboard, reach the technical effect of reducing the thickness of display device.

The present application relates to the technical field of tower cranes, and discloses a jacking sleeve device for increasing or decreasing the rotary center standard section, a method and a tower crane. The sleeve device comprises a jacking sleeve and a jacking frame, the jacking sleeve and the jacking frame are sleeved outside the standard section, the jacking sleeve is located above the jacking frame, an oil cylinder is arranged between the jacking sleeve and the jacking frame and is connected to drive axial movement, jacking pins are arranged on the top cross beams of the jacking sleeve and the jacking frame, an embedded hole is arranged on a standard section column, the jacking pins are connected to the embedded hole in a pin joint manner, can bear vertical force and unbalanced moment, does not need to additionally install a pin shaft, the embedded hole is not protruded outside the standard section frame, and the jacking operation is convenient, the connection is reliable, and the structure is compact.

The invention discloses a vertical mold splitting hydraulic extrusion press with a horizontal rack as a fixed beam. Comprising a horizontal rack which is horizontally fixed on a foundation, a vertical rack which ascends and descends in the horizontal rack along the vertical direction, a horizontal cylinder, a vertical cylinder of which a cylinder body is fixedly arranged on the horizontal rack, a lifting platform which is arranged in the vertical rack and is arranged on the cylinder body of the vertical cylinder, a lifting cylinder and a control system, and a vertical plunger of the vertical cylinder is connected with a lower beam of the vertical rack; the upper end face of the lifting table forms an extrusion die installation face, the driving cylinder can drive the lifting table to move up and down so as to change the height of the extrusion die installation face to achieve installation of extrusion dies, and the two horizontal cylinders drive the left extrusion die and the right extrusion die on the lifting table to move relatively to achieve die opening or die closing. And the vertical plunger of the vertical cylinder stretches out and draws back in the vertical direction to drive the vertical rack to move downwards for vertical extrusion and move upwards for resetting. The vertical extrusion device is simple in structure, stable in operation and capable of improving the precision of an extruded part and reducing the building cost of a plant.

This utility model discloses an electrical cabinet with high structural strength, relating to the field of electrical cabinet technology, overcoming defects such as easy deformation in the lock hole area of ​​the cover plate. The annular reinforcing structure includes blocking ridges and outer ring ridges. The blocking ridges are arranged along the edge of the cover plate, and the outer ring ridges are located inside the blocking ridges and have at least two layers. Each layer of outer ring ridges surrounds the lock hole at different distances, forming a groove between adjacent outer ring ridges. Multiple spaced strip-shaped first reinforcing ridges are arranged within the grooves, and each first reinforcing ridge integrally connects two adjacent layers of outer ring ridges. A multi-layered surrounding support network is formed around the lock hole. The connection between the C-shaped outer ring ridges and the blocking ridges can transfer the stress in the lock hole area to the edge of the cover plate, dispersing localized stress. The multiple outer ring ridges are connected by the first reinforcing ridges, forming an integral mechanical support, effectively solving the problem of easy deformation caused by the flat plate design around the lock hole in the prior art, and improving the structural strength of the lock hole area.

The invention belongs to the technical field of HDPE pipeline hot melting assembly equipment, and particularly relates to an HDPE pipeline integrated prefabrication assembly machining device which comprises an assembly table, a back plate is fixedly connected to the upper surface of the assembly table, two sealing insertion grooves are formed in the upper surface of the assembly table, and side plates are movably inserted into the groove walls of the sealing insertion grooves in a sealed mode. The rear side walls of the two side plates make sealing contact with the outer wall of the back plate, and symmetrically-distributed pipeline holes are formed in the side walls of the two side plates. The HDPE pipeline integrated prefabrication assembly machining device has the capacity of multi-position butt hot melting assembly, the assembly process is easy and convenient to operate, the convenience and efficiency of HDPE pipeline integrated prefabrication assembly can be effectively improved, meanwhile, the labor intensity of workers is reduced, and the production efficiency is improved. In addition, the device further has the functions of dust prevention, bubble prevention and quality detection at the hot melting assembly position, the quality of integrated prefabrication assembly of the HDPE pipeline is effectively improved, and the reliability and effect of follow-up use of the HDPE pipeline assembly are guaranteed.

The utility model discloses a transformer coil heat abstractor relates to transformer heat dissipation technical field, the utility model discloses a transformer main part and coil are provided with a plurality of fin on the outside of transformer main part, and the adjacent fin between is provided with heat abstractor, the heat abstractor includes first deflector and second deflector, and the cavity is formed between first deflector, second deflector, and the throat cavity is formed at the center position of cavity, the utility model discloses a heat abstractor, and the turbine fan is started, and the high pressure airflow is transmitted to the inside of cavity, and the airflow is guided using the deflector of cambered structure, and the throat cavity is pressurized, improves the airflow velocity and reduces the throat cavity inner wall pressure intensity, simultaneously, the hot air in the transformer is into the cavity through the through -hole because of negative pressure, and is discharged to the outside, realizes heat dissipation, avoids installing heat abstractor in the transformer, improves the convenience of overhauling, and accelerates the airflow velocity of coil and fin surface, effectively promotes the heat dissipation efficiency.

The application provides a switch assembly, and relates to the technical field of low-voltage electrical apparatuses. The switch assembly comprises a switch body and a power conversion module. The switch body comprises a first shell, and the power conversion module is installed in the first shell. The power conversion module comprises a second shell, a first circuit board and a second circuit board. The second shell is provided with a mounting cavity. The first circuit board is fixedly installed in the mounting cavity. The second circuit board is fixedly installed in the mounting cavity. The second circuit board is arranged in a spaced-apart manner from the first circuit board, and the second circuit board is electrically connected to the first circuit board. The second circuit board is arranged closer to the bottom wall of the second shell than the first circuit board. In the direction from the first circuit board to the second circuit board, the projection of the first circuit board substantially coincides with the projection of the second circuit board. According to the switch assembly provided by the application, the area occupied by the power conversion module is small, the space utilization rate inside the first shell is improved, and the miniaturization development of the switch assembly is facilitated.

This utility model relates to the field of washing machine technology, specifically a positioning structure for a water supply device of a washing machine. It includes a body, a storage assembly, and a cover plate. The upper end of the body has an installation groove, and the left and right inner walls of the installation groove have placement grooves. The cover plate is snapped onto the placement groove. A water inlet valve is located in the installation groove, with its upper end penetrating the cover plate. A limiting ring is provided on the water inlet valve, with its upper end fitting against the cover plate. A connector is provided on the water inlet valve, with a water inlet pipe at its upper end. In use, when the water inlet valve needs maintenance, the connector is rotated to separate it from the water inlet valve. Then, two second pull blocks are pulled closer together, causing the locking blocks to move closer together. The locking blocks compress the second spring, separating the locking blocks from the locking grooves. Finally, the cover plate is pulled upwards to detach it from the water inlet valve, facilitating maintenance of the water inlet valve. The operation is simple, enabling quick and effortless installation and disassembly without tools.

The utility model discloses roof photovoltaic support penetrates waterproof base, it includes the multiple screw rod of through in the top of interlayer board, the top and bottom of interlayer board all are fixedly connected with panel, the below of interlayer board is provided with the corrugated board, the surface of screw rod is equipped with two symmetrical sealing ring, two sealing ring are located above and below two panel respectively. The utility model discloses make screw rod through sealing piece, interlayer board, panel and corrugated board, make two sealing rings respectively with sealing piece and corrugated board and fit, rotate two symmetrical fixed nut, make fixed nut and sealing ring and fit, set up the top of sealing piece with protective cover, make sealing ring and one panel and fit, can reach and can through protective structure and protect the waterproof base penetration place, avoid the rainwater long -time shower and lead to the waterproof structure of penetration place and damage, guarantee the penetration place of waterproof base and the leakproofness of waterproof structure.

This invention provides a packaging structure. In the packaging structure, the lead frame includes at least two solder pads; the back of the chip is mounted on the lead frame, and the front of the chip has multiple solder pads. At least a portion of the solder pads of the lead frame are electrically connected to the solder pads of the chip via bonding wires; a passive device is disposed between and electrically connected to the two solder pads of the lead frame; a molding compound encapsulates the chip and bonding wires, and covers at least a portion of the surface of the solder pads and at least a portion of the surface of the passive device. This avoids mounting the passive device on the PCB outside the packaging structure, significantly reducing PCB layout space, greatly shortening the interconnection distance between the passive device and the chip, reducing the current loop area, reducing parasitic inductance of high-frequency signal paths, reducing magnetic field radiation (i.e., reducing electromagnetic interference), improving high-frequency performance, and reducing coupling with external interference, thus improving electromagnetic compatibility.

The utility model relates to a cabinet and an energy storage system, and belongs to the technical field of energy storage. The cabinet body is provided with a cabinet top face, and a sinking groove penetrating through the cabinet top face is formed in the side, located on the cabinet top face, of the cabinet body. The hoisting unit is embedded in the sinking groove and comprises a base body and a plurality of hoisting parts arranged on the base body, the base body is fixedly connected with the cabinet body, a drainage flow channel is formed in a groove opening, facing the sinking groove, of the base body, the hoisting parts are distributed in the drainage flow channel, and the cabinet body is provided with a drainage port communicated with the drainage flow channel. The hoisting unit can be prevented from being repeatedly disassembled, assembled and installed, the occupation of the hoisting unit on the cabinet body placement space is reduced, the cabinet body hoisting efficiency is improved, and the problem that the cabinet body and the hoisting unit are corroded by accumulated water is solved.

The utility model relates to building electrical monitoring equipment technical field, specifically disclose a kind of building electrical fault alarm device, comprising: mounting plate, the mounting plate outer side wall slidingly arranged mobile seat, the mobile seat top is connected with device ontology by connecting assembly, the mounting plate outer side wall is fixedly provided with top plate, the top plate outer side wall is rotatably provided with screw rod, the end of the end portion of the screw rod away from top plate penetrates mobile seat and is connected with mounting frame;The utility model is cooperatively used by mounting plate, mobile seat, screw rod and adjusting mechanism etc. component, the height of building electrical fault alarm device can be conveniently adjusted, it is convenient to carry out dismounting to device ontology at lower position, dismounting is more convenient and safe, simultaneously, the setting of connecting assembly and limiting component makes the connection of device ontology and mobile seat firm and dismounting convenient, without additional tool can be quickly completed dismounting and installation, greatly improve the maintenance efficiency of device.

The application discloses a clutch pressure plate mounting structure and belongs to the field of clutch pressure plates. The clutch pressure plate mounting structure comprises a gland, a flywheel mounted on the gland through mounting bolts, a diaphragm spring installed on the gland, and a pressure plate installed on the side of the diaphragm spring away from the gland. The pressure plate is circumferentially provided with mounting portions, and mounting structures are arranged between the mounting portions and the gland. The mounting structure comprises a fixing sleeve fixedly arranged on the mounting portion, a screw hole coaxially arranged on the fixing sleeve, a positioning cylinder coaxially arranged on the gland, a sliding head slidingly arranged in the positioning cylinder, a fixing bolt penetrating through the sliding head and arranged on the sliding head, and one end of the fixing bolt extending into the screw hole and being threadedly connected with the screw hole. The clutch pressure plate mounting structure has the beneficial effect that when the pressure plate is mounted, one end of the sliding head is embedded into the fixing sleeve, the pressure plate can be pre-positioned, and subsequent mounting and fixing are facilitated.

The utility model discloses an air conditioner fin stamping die quick installation structure which comprises a stamping machine and a die body, a base is fixedly installed on the stamping machine, the die body is arranged on the upper surface of the base, and a left clamping plate and a right clamping plate are fixed to the two ends of the lower surface of the die body respectively. A transmission mechanism is arranged on the inner wall of the lower end of the base, a positioning rod is fixedly arranged on the inner wall of the base on the side of the transmission mechanism, a clamping frame is installed on the transmission mechanism, a transmission column is arranged on the transmission mechanism on the side of the clamping frame, a clamping column is movably connected to the inner wall of the sleeve, and one end of a pull rope is fixedly arranged on the end face of the clamping column. And the other end of the pull rope is fixedly connected with the outer wall of the transmission column. According to the quick mounting structure for the air conditioner fin stamping die, bolts are prevented from being used for mounting the die, so that the use convenience of the mounting structure is improved, and the workload of mounting the die by a user is conveniently reduced through the mounting structure.

This utility model relates to the field of industrial fans, specifically to a mobile evaporative cooling fan, including a water tank base, a fan unit, an evaporative cooling curtain assembly, and a pulley assembly. The pulley assembly is disposed on the bottom surface of the water tank base. The fan unit and the evaporative cooling curtain assembly are fixed on the water tank base, with the evaporative cooling curtain assembly located on the air inlet side of the fan unit. A water pumping assembly is provided inside the water tank base, and the outlet end of the water pumping assembly is connected to a water outlet pipe. The water outlet pipe passes through the water tank base and extends to the top of the evaporative cooling curtain assembly, with a water outlet opening on the water outlet pipe. The fan unit and the evaporative cooling curtain assembly are disposed on the water tank base. The pulley assembly at the bottom of the water tank base effectively improves the overall flexibility of the evaporative cooling fan, avoiding the need to install the evaporative cooling curtain fan on a wall. At the same time, it effectively shortens the distance between the evaporative cooling curtain assembly and the water source. The water outlet pipe is disposed inside the water tank and inside the evaporative cooling curtain to add water to the evaporative cooling curtain, avoiding exposed water pipes and water leakage.

The utility model provides a kind of material receiving and releasing device facilitating replacement of material roll, including base, pivot structure, drive structure and jacking structure. Base has two interval arranged support arms. The top end of each support arm is provided with limit aperture. Pivot structure has two adapter parts that can be embedded in two limit apertures, and installation part that can be provided for reel sleeve and horizontally arranged is arranged between two adapter parts. Drive structure can drive pivot structure embedded in two limit apertures. Jacking structure is arranged on one of support arms, and is connected with pivot structure, jacking structure can drive pivot structure to go up and separate from two limit apertures when material roll is disassembled or reel is installed, so that pivot structure forms cantilever structure. The material receiving and releasing device facilitating replacement of material roll provided by the utility model can effectively ensure the horizontal arrangement of installation part, thereby effectively avoiding the deviation of metal mesh transmission process, and can also adapt to the disassembly and assembly of metal mesh material roll.

The utility model discloses a refrigerator aluminum alloy frame convenient to replace relates to aluminum alloy frame technical field, the utility model discloses a refrigerator body, refrigerator door, top frame, side frame, bottom cover and fixed block are connected in proper order to the outside of refrigerator body, the top frame, bottom cover and the side frame of symmetrical distribution of bottom cover are connected in proper order to the outside of refrigerator body, the top frame upper end inner wall is provided with the support, be provided with spring no.

The utility model discloses a front end subassembly, insert part and endoscope, relate to medical instrument technical field, front end subassembly includes front end seat, camera module, illumination module and cable, front end seat is provided with illumination cavity and camera cavity, illumination cavity and camera cavity are mutually communicated, camera module is installed in camera cavity, illumination module is installed in illumination cavity, the cable is connected with the camera module, the camera module is installed in the camera cavity. The camera module and the illumination module are electrically connected with the same cable, and the cable is led out from the near end of the front end seat. According to the arrangement, the internal space of the front end seat can be optimized, so that a larger lighting module and a larger camera module can be arranged. In addition, installation personnel can install the camera module and the lighting module at the same time. According to the arrangement, the installation efficiency of the front-end assembly can be improved, and installation operation of the illumination module in a narrow illumination cavity is avoided. The cable can be electrically connected with the camera module and the illumination module at the same time and supply power or transmit signals to the camera module and the illumination module, so that the number of cables and installation steps can be reduced, and the installation efficiency is further improved.

This utility model relates to the field of connectors, specifically a low-voltage cable connector, including a connector body, a cable fixedly mounted on the connector body, the connector body and the cable being electrically connected, a limiting component on the connector body, a protective component on the periphery of the connector body, and an adjusting component on the protective component. The limiting component includes several trapezoidal slots formed on the connector body, located on the top, bottom, left, and right sides of the connector body, respectively. A trapezoidal block is disposed within each trapezoidal slot, and a clamping block is fixedly connected to the end of the trapezoidal block away from the connector body, the clamping block penetrating the trapezoidal slot and extending to the outside. Compared to the prior art, this patent, by setting up protective components and protective covers, can protect the outer shell of the connector body and the pins inside the connector body, thereby preventing damage to the connector body and its pins from impacts.

The utility model provides a kind of both ends fixed special vehicle smoke exhaust device, including first smoke pipe welding assembly, first bellow, smoke pipe installation adjustment assembly, second bellow, heat insulating sleeve and second smoke pipe welding assembly, one end of first smoke pipe welding assembly is fixedly installed in engine smoke outlet, and the other end of first smoke pipe welding assembly is connected with first bellow;One end of second smoke pipe welding assembly is fixedly installed on the deck of vehicle body smoke outlet, and the other end of second smoke pipe welding assembly is connected with second bellow;The both ends of smoke pipe installation adjustment assembly are connected with first bellow and second bellow respectively.Smoke pipe installation adjustment assembly is sealed by radial positioning, axial space adjustment and sealing element, can realize the quick installation of smoke exhaust device, avoid the difficulty of sealing and installation of smoke exhaust device due to the space angle of axis existing between two ports fixed, guarantee the loading progress and prevent the security risk of power cabin due to smoke leakage.

The invention relates to the technical field of machine vision detection, and provides a vision detection device and method for a special-shaped injection molding part, the vision detection device comprises a plurality of chain plates, a limiting cylinder, a lifting part, a first detection camera and a second detection camera, and the plurality of chain plates are hinged; the limiting cylinder is arranged on the chain plate, and the chain plate is provided with a through hole corresponding to the limiting cylinder; one end of the lifting piece is arranged in the limiting cylinder, and the other end of the lifting piece penetrates through the chain plate; the first detection camera corresponds to the opening of the limiting cylinder; the second detection camera is arranged on one side of the limiting cylinder. According to the detection device disclosed by the invention, the top surface of the special-shaped workpiece can be conveniently detected through the first detection camera, and the bottom surface of the special-shaped workpiece can be detected through the second detection camera, so that the detection comprehensiveness is effectively improved; meanwhile, the special-shaped workpiece can be driven to move through the chain plate, so that the detection efficiency is improved; due to the fact that the structure is integrally integrated and concise, the structure has the advantage of being low in application cost.

This application provides a fixing structure for armored temperature measuring cables, belonging to the field of temperature measuring cable technology. The fixing structure includes a protective component and a connecting component. The protective component includes a connecting seat, a protective cylinder, an elastic element, a locking rod, and a protective cover. The connecting seat is located on the top of the coal bunker. The connecting component includes a limiting ring, a cable connection part, a temperature measuring cable body, and an external cable. The limiting ring is fixedly connected to the inner wall of the protective cylinder. By using the connecting seat, protective cylinder, elastic element, locking rod, and protective cover, the protective cover is threaded onto the protective cylinder. The elastic element then pushes the locking rod to hold the protective cover in place, restricting its rotation and preventing loosening of the protective cover's threads. By incorporating the limiting ring, cable connection part, temperature measuring cable body, and external cable, the installation method using multiple bolts is avoided, greatly improving the efficiency of disassembly, assembly, repair, and maintenance.

The invention relates to the technical field of electric energy box equipment, and provides an anti-electric shock safe electric energy metering box which comprises an electric energy metering box body, a mounting base is arranged at the bottom end of the electric energy metering box body, the electric energy metering box body is mounted in a top groove of the mounting base, and a mounting back plate is fixedly connected to the top end of the mounting base. A groove is formed in the mounting base; according to the scheme, the electric energy metering box body is embedded into the three-face surrounding type insulation assembly composed of the installation base, the installation back plate and the installation top plate, so that the metal box body is completely covered, an effective current path cannot be formed even if internal electric leakage occurs and external personnel make contact with the surface of the insulation assembly, and electric shock is avoided; the whole structure achieves electric shock prevention through insulation wrapping, achieves dust prevention through the unfoldable roller shutter, and the two share the same installation frame, are independent in function and do not interfere with each other, and are suitable for long-term safe operation in a complex outdoor environment.

The utility model discloses an injection mold blowing device convenient to operate, which relates to the technical field of injection mold blowing and comprises a vehicle body, an air compressor is fixed at the top end of the vehicle body, and an annular plate slides on the outer wall of an air delivery pipe until a cylinder fixed on one side of the annular plate is matched with the inner wall of a connecting frame. And meanwhile, a sliding plate fixed to the connecting plate slides on the inner wall of the concave plate, so that the device can conduct air blowing operation on the injection mold more conveniently, and it is avoided that a worker fixedly installs the air conveying pipeline and the injection mold manually, and the top end of a surrounding plate abuts against the bottom end of the connecting plate; and meanwhile, square plates fixed to the two sides of the surrounding plate make contact with the bottom ends of the connecting plates correspondingly, square blocks fixed to the top ends of the square plates and the inner walls of square holes are clamped and installed, the outer walls of two transverse columns are arranged on one sides of the connecting plates in a sleeving mode correspondingly till the outer walls of the transverse columns and the inner walls of the square blocks are installed in a matched mode, and therefore compressed air blown out by the air conveying pipe is isolated through the surrounding plate.

The utility model discloses a ship power station cooling system with a standby auxiliary machine warming function, which comprises a first generator set, a second generator set, an expansion water tank and a water preheating device, and a water outlet of the expansion water tank is respectively connected with a first fresh water pump of the first generator set and a second fresh water pump of the second generator set through pipelines. A water outlet of the first generator set is connected with one end of the first electric three-way valve through a pipeline, and the other two ends of the first electric three-way valve are connected with a water inlet of the water preheating device and a water outlet of the second generator set through pipelines respectively. The ship power station cooling system with the standby auxiliary engine heating function can be communicated with an adjacent unit for cylinder heating when one generator unit is preheated, the engine heating efficiency is improved, meanwhile, the equipment investment is reduced, one water preheating device can be used for engine heating operation of two generator units, devices and pipelines such as preheating and light and heavy oil conversion valves are reduced, and the cost is reduced. And the use safety is improved.

The utility model relates to a single guide rail cutting machine for ceramic parts, which comprises a supporting table (1), a longitudinal guide rail (5) arranged on one side of the supporting table (1) in an offset mode and a tool rest head (2) installed on a movable part (6) through a horizontal rotating shaft (22), and the movable part (6) is located on one side of the longitudinal guide rail (5). The first bearing (61) and the second bearing (62) are used for moving along the longitudinal guide rail (5); the tool holder head (2) comprises a drive handle (21), a cutting wheel (3) mounted directly on an extension (24) of the tool holder head (2) via a rotating shaft (31), a spacer (4) for dividing the ceramic piece along the cutting line, and a magnetic device for holding the spacer (4) in a non-working position.