9results about How to "Reduce disassembly work" patented technology

The invention relates to the technical field of heat exchange equipment, and discloses an assembled detachable plate heat exchanger which comprises a mounting bottom plate, a moving plate is fixedly connected to one side of the top end of the mounting bottom plate, a driving screw is movably connected to the inner side of the moving plate through a bearing, and a fixed plate is in threaded connection with the outer portion of the driving screw. A plurality of heat exchange plates are mounted between the movable plate and the fixed plate, a plurality of mounting plates are fixedly connected to the outer side of the movable plate, the mounting plates are fixedly connected in sequence, a movable plate is slidably connected to the interior of each mounting plate, and a pressing rod is fixedly connected to one side of each movable plate. According to the heat exchanger, the heat exchange plates in the heat exchanger can be replaced according to needs, the whole heat exchanger does not need to be completely disassembled, therefore, disassembly of the whole heat exchanger is avoided, the downtime is shortened, in addition, unnecessary disassembly work is reduced, equipment loss caused by frequent disassembly is avoided, and the service life of the heat exchanger is prolonged.

This invention provides a dual-station rubber pad forming hydraulic press, comprising a main unit, left and right feeding stations, a hydraulic system, a pressurizing system, and an oil cooler. The main unit adopts a multi-layered stacked frame structure and a trough-shaped housing frame, resulting in more uniform and stable force distribution compared to existing equipment. This simplifies the rubber pad replacement process and eliminates the tedious disassembly and assembly of the housing frame. The power system employs a two-stage pressure system consisting of a main hydraulic cylinder and a rapid hydraulic cylinder connected in parallel, capable of meeting the requirements of high-pressure forming and low-pressure rapid movement. The mobile conveying structure composed of the middle forming station and the left and right feeding stations enables continuous forming operations and significantly improves production efficiency.

The utility model discloses a kind of overall type shipping tool of super-long arm, including rear end anti-topple structure and front end anti-topple structure;Rear end anti-topple structure includes fixed frame I, centering mechanism and rotating support seat;Fixed frame I is arranged between the tail of upper movable arm of super-long arm in folding state and the front of bucket rod;Centering mechanism is installed in the rear half area of fixed frame I, for being connected with the tail of upper movable arm, realize that upper movable arm is automatically centered on fixed frame I;Rotating support seat is installed in the front end of fixed frame I, realize that upper movable arm support changes from line support to face support;Front end anti-topple structure includes fixed frame II and pressing mechanism;Fixed frame II is arranged in the articulated place of middle section arm and bucket rod of super-long arm in folding state;Pressing mechanism is installed on fixed frame II, for pressing bucket rod on fixed frame II.The overall type shipping tool of super-long arm provided by the utility model has the advantages of high efficiency, safety, economy and simple operation.

The utility model discloses a polishing device for processing automobile parts, which comprises a workbench, and is characterized in that one side of the outer wall of the top of the workbench is fixedly connected with a mounting plate, the outer wall of one side of the mounting plate is rotatably connected with a rotating disc I, and the other side of the mounting plate is provided with an adjusting assembly; the adjusting assembly comprises a gear rotationally connected with the outer wall of the other side of the mounting plate, the gear and the first rotating disc are coaxially fixed, a horizontally-arranged limiting groove is formed in the outer wall of the other side of the mounting plate, a rack is slidably connected into the limiting groove, the rack is meshed with the gear, and a first motor is fixedly mounted on the outer wall of one end of the mounting plate; and a rotating shaft of the motor I is coaxially fixed with a screw rod I. By arranging the adjusting assembly, after one surface of a workpiece is machined, other surfaces can be quickly replaced to directly face the grinding device, so that subsequent frequent disassembly and assembly work is omitted, and the machining efficiency is favorably improved.

The present invention provides a lower hanging point lifting device and an integrated lower hanging point lifting method, which relate to the field of steel structure engineering. The lifting device is symmetrically distributed around the circumference of the truss. The lower hanging point lifting device includes a lifting bracket, a hydraulic lifter, a steel strand, a hanging plate and two groups of connecting rods. The present invention simplifies the hanging point form, eliminates three temporary rods, reduces the amount of measures for the temporary structure, and greatly reduces a large amount of high-altitude disassembly work after lifting into place, saving construction time; the truss is lifted as a whole to the designed elevation, and then the rods at the counterparts are welded and two groups of upper chords are welded, which will greatly reduce the on-site high-altitude construction volume and construction difficulty, and reduce construction costs.

The application relates to the technical field of machining equipment, in particular to a part clamp tool and a machining device, wherein the part clamp tool is used for clamping a part and comprises a clamp main body and a clamping part; a positioning mechanism and a fixing mechanism are arranged on the clamping part; the positioning mechanism comprises a positioning block used for positioning and clamping the corners of the part; the part comprises a pair of through holes; the fixing mechanism comprises a fixing column and a screw; the fixing column is in penetrating fit with the through holes and fastens and clamps the part through the screw. The utility model can complete the machining of two parts in one clamping state, improves the production efficiency and product precision, and reduces the investment of additional equipment and production cost.

The present invention discloses a TVS tube online self-test and switching circuit, including an input power supply, the input power supply is connected to a DC / DC conversion circuit and an adjustable boost circuit through a diode, the DC / DC conversion circuit is connected to an MCU processor system, the MCU processor system is connected to a communication circuit, the communication circuit is connected to an upper system, the MCU processor system is also connected to an isolation circuit, the adjustable boost circuit is respectively connected to an adjustable current source circuit and a TVS tube circuit, the TVS tube circuit is respectively connected to a voltage sampling circuit, a current sampling circuit and a switch switching circuit, the voltage and current sampling circuit and the switch switching circuit are both connected to the isolation circuit, and the isolation circuit is also respectively connected to the adjustable current source circuit and the adjustable boost circuit. The present invention also discloses a control method for a TVS tube online self-test and switching circuit, and the present invention solves the problem of complex fault inspection and repair of existing TVS.

The utility model belongs to the technical field of condenser installation, and particularly relates to a condenser and radiator distance adjustable connecting structure which comprises a distance adjusting device which is arranged between the upper end of a condenser and the upper end of a radiator frame and can adjust the distance between the upper end of the condenser and the upper end of the radiator frame. The rotary supporting device is connected with the lower end of the condenser and the lower end of the radiator frame, and the condenser is hinged to the bottom of the radiator frame through the rotary supporting device. According to the connecting structure capable of adjusting the distance between the condenser and the radiator, the relative position between the condenser and the radiator can be adjusted under the condition that the condenser does not need to be completely disassembled, so that a gap is formed between the condenser and the radiator, the disassembly and assembly work of the condenser is reduced, and the cleaning work efficiency of the condenser and the radiator is obviously improved.