50 results about "Machine repair" patented technology

The application discloses a clamping tool for inner and outer circular grinding machine, and relates to the technical field of inner and outer circular grinding machines, which comprises a bottom plate, a rotating mechanism arranged on the bottom plate, adjusting mechanisms connected to the two sides of the rotating mechanism, an adapter connected to the ends of the two adjusting mechanisms away from the rotating mechanism, a moving disc connected to the adapter, and a lifting mechanism connected to the end of the moving disc away from the adapter. The inner and outer circular grinding machine is placed on the placing plate, telescopic rod II is adjusted, and is moved up and down in sleeve I. The limiting blocks on the two sides of telescopic rod II limit telescopic rod II. After telescopic rod II is moved to a suitable position, the handle is pushed, the inserting rod is pushed into the inserting hole I on telescopic rod II, the height is adjusted, and the inner and outer circular grinding machine on the placing plate is clamped.

This utility model discloses a novel electric screwdriver with a modular design, including a screwdriver body and a handle mechanism. The screwdriver body includes a main body shell, a screwdriver head, and a drive assembly. The rear end of the main body shell has a T-shaped or dovetail-shaped locking groove, within which a conductive groove electrically connected to the drive assembly is embedded. The handle mechanism includes a handle housing containing a battery module and a control module. The housing has a slide rail boss that matches the locking groove, and a conductive plate on the boss. When inserted into the locking groove, the plate forms an interference contact with the conductive groove, achieving stable power supply. The contact surface between the conductive groove and the conductive plate is plated with a silver-nickel alloy layer to enhance oxidation resistance. The side of the locking groove has a positioning hole for fixed connection via a limit screw. This utility model has advantages such as convenient assembly and disassembly, stable conductivity, and strong vibration resistance, solving the problems of inconvenient maintenance, limited battery life, and poor versatility of traditional electric screwdrivers. It is suitable for various scenarios such as electronic assembly and mechanical repair.

The utility model discloses a counter-force device for calibrating pneumatic and electric wrenches, and belongs to the technical field of wrench calibration. The device comprises a base, an upper table top is arranged above the base, a protective jacket is arranged between the upper table top and the base and extends to the top of the upper table top, a positioning seat is arranged at the upper end of the protective jacket, a positioning disc is arranged above the positioning seat, and a sensor is arranged at the bottom of the positioning disc. An upper simulator base is arranged on the top surface of the upper table top, a plurality of spanner handle supports are arranged on the two sides of the top surface of the upper table top, and stop levers are arranged on the spanner handle supports; according to the utility model, on the basis of the adaptive design of a plurality of groups of mounting hole sites, the telescopic stop lever and the universal adapter of the upper simulator base, the device can be compatible with pneumatic / electric wrenches with different torque specifications and can be simultaneously adaptive to simulators with various models, equipment or core accessories do not need to be frequently replaced, the equipment investment and operation complexity of calibration operation are greatly reduced, and the calibration efficiency is improved. The method is suitable for calibration requirements of multiple scenes such as industrial manufacturing and mechanical maintenance.

The utility model discloses a coal mine machinery dismounting device, and belongs to the field of coal mine machinery dismounting, the coal mine machinery dismounting device comprises a mounting seat and a sliding seat, the middle part above the sliding seat is fixedly connected with a first threaded rod, and the interior of the first threaded rod is rotatably connected with a second threaded rod. Three rotating rods penetrate through a bearing, then a second handle is rotated, a moving block drives the rotating rods to be unfolded, an outer protrusion clamps the lower portion of the bearing, a first handle is rotated reversely, a sliding base moves upwards, the device applies force to separate the bearing from the workpiece, and when the bearing outside the workpiece is disassembled, the first handle is rotated, the sliding base moves upwards, and the device is cooperated with a component through a structure to disassemble the bearing. The device can adapt to bearings at different positions, is widely applied to maintenance of coal mine machinery, improves the maintenance flexibility and comprehensiveness, saves the equipment maintenance cost, guarantees stable operation of equipment, and improves the production safety and reliability.

The invention provides a longitudinal beam replacement device and method for a coal mine belt conveyor, and belongs to the technical field of mining machinery maintenance. The device comprises a moving platform, a walking mechanism, a carrier roller frame jacking mechanism and a first driving mechanism. The walking mechanism is arranged at the top of the moving platform and is embedded into a notch of the longitudinal beam to roll; the carrier roller frame jacking mechanism is installed on the moving platform and comprises a second driving mechanism, a transmission connecting rod assembly and a top bearing beam, the second driving mechanism drives the transmission connecting rod assembly to enable the top bearing beam to vertically ascend and descend, and therefore the upper groove carrier roller frame is jacked up or put down; the first driving mechanism drives the moving platform to move along the longitudinal beam. The device has the beneficial effects that the belt conveyor longitudinal beam is used as a walking track, rapid migration of the device is achieved through driving of the first driving mechanism, simultaneous jacking of multiple sets of carrier roller frames is achieved through the transmission connecting rod assembly, an operation space is provided for replacement of the belt conveyor longitudinal beam, the manual carrying strength is remarkably reduced, and the working efficiency is improved. And the longitudinal beam replacement efficiency and the operation safety are improved.

The utility model belongs to the technical field of arresting devices, and particularly relates to a cart arresting device for port machinery maintenance, which comprises a base and further comprises an overturning plate, a movable plate, a movable plate, a movable plate, a movable plate and a movable plate, and the overturning plate is arranged on the top surface of the base in an overturning manner; the driving mechanism is connected to the turnover plate in a drivable manner and is used for driving the turnover plate to turn over; the sliding plate is provided with a guide notch in the turnover plate, and the sliding plate is movably arranged in the guide notch; the clamping mechanism is mounted on the sliding plate, and is used for clamping a wheel; the adjusting mechanism is used for adjusting the initial height of the sliding plate, the adjusting mechanism comprises a top plate, a threaded lead screw and a handle, and the top plate is fixed to the free end of the overturning plate; according to the wheel clamping device, the initial height of the clamping mechanism can be adjusted through the arranged adjusting mechanism, wheels of different sizes can be reliably clamped, stability is improved, and the application range is wider.

The invention discloses an axis self-adaptive alignment and precise disassembly method for a heavy hydraulic cylinder, and belongs to the technical field of mining machinery maintenance. In order to solve the problems that a traditional disassembling method is low in efficiency, poor in safety, prone to damage a workpiece and the like, the method is achieved through the steps of pretreatment fixing, axis self-adaptive alignment, precise clamping and final alignment, controllable unscrewing disassembling and the like. Which comprises a rack, an adjustable fixing seat, a hydraulic driving system and a control system, and is characterized in that an axis self-adaptive alignment mechanism consisting of a customized chuck and an alignment disc is arranged. An annular boss on the alignment disc is matched with a groove, and axis coincidence of the chuck and the workpiece can be automatically guided and accurately corrected. Mechanization and precision of the disassembling process are achieved, the disassembling efficiency is improved by 100% to 20 pieces per shift, the disassembling success rate reaches up to 99.8%, the labor intensity, the safety risk and the maintenance cost are remarkably reduced, and good application and popularization prospects are achieved.

The utility model discloses an auxiliary lifting device for port machinery maintenance, which relates to the technical field of machinery maintenance, comprises a movable seat and is characterized in that the top end of the movable seat is provided with a lifting device, and the top end of the lifting device is fixedly connected with a servo motor. The adjusting screw is rotated to drive the sliding block to move horizontally, the adjusting plate can be pushed to achieve inclined or horizontal displacement by means of a connecting rod mechanism composed of the rotating rod and the supporting rod, and therefore the device can adapt to harbor machinery maintenance parts of various shapes and structures, and the harbor machinery maintenance parts are not prone to falling off. And the movable block can flexibly slide along the adjusting plate and is inserted into the limiting hole through the insertion rod to fix the position, rapid adjustment can be conducted according to maintenance parts of different sizes, and the practicability of the device in port machinery maintenance is further enhanced.

The utility model provides a mining equipment machinery maintenance wrench, which comprises a wrench cylinder and an inner hexagonal wrench head, one end of the wrench cylinder is embedded with an insertion connecting sleeve, one end of the inner hexagonal wrench head is provided with a positioning connecting column, and the positioning connecting column is inserted into the insertion connecting sleeve so that the inner hexagonal wrench head is connected with the wrench cylinder. A bolt adjusting column is installed on the side portion of the wrench cylinder column, an adjusting handle is installed at one end of the bolt adjusting column, and a threaded connecting hole is formed in the side portion of the positioning connecting column. The positioning connecting column is inserted into the inserting connecting sleeve so that the inner hexagonal wrench head can be connected with the wrench cylinder, the bolt adjusting column is installed on the side portion of the wrench cylinder, the threaded connecting hole is formed in the side portion of the positioning connecting column, and the other end of the bolt adjusting column is connected with the threaded connecting hole. And the tightness of the bolt adjusting column is conveniently adjusted through the adjusting handle, so that the inner hexagonal wrench head is quickly disassembled, mounted and replaced, and the operation is very convenient.

The invention belongs to the technical field of mechanical maintenance tools, and discloses a dismounting device for a surface sealing assembly, which is used for dismounting the surface sealing assembly and comprises a tip cone, a driving sleeve shell, a supporting shell and a clamping jaw, the supporting shell is of a cylindrical structure, and the bottom of the supporting shell is an annular surface of a bearing seat shell matched with the surface sealing assembly; the driving sleeve shell and the clamping jaw extend into the cylinder from the top of the supporting shell, the driving sleeve shell is of a cylinder structure with a convex ring on the upper portion, the lower portion of the driving sleeve shell is arranged in the cylinder of the supporting shell, the clamping jaw extends into an inner cylinder of the driving sleeve shell from the upper portion of the driving sleeve shell, and the lower portion of the clamping jaw extends out of the bottom of the supporting shell. The bottoms of the clamping jaws are of outer jaw structures protruding in the circumferential direction. The middle of the clamping jaw is hollow, the clamping jaw is of a structure with the diameter gradually reduced from the middle to the bottom, and the tip cone is inserted into a hollow hole of the clamping jaw from the top of the clamping jaw. The device can effectively solve the problems that the operation space is extremely narrow, a thin-wall shell is prone to deformation, and quick-wear parts need to be protected.

The utility model discloses a cart arresting device for harbor machinery maintenance, which comprises a supporting strip, a moving groove is arranged on the inner side of the supporting strip, and a moving column is rotatably connected in the moving groove. The semi-arc-shaped blocks on the supporting strips abut against the wheels, then the movable columns are rotated through the cranks, the movable blocks can slide in the movable grooves, the semi-arc-shaped blocks are driven to move, adjustable clamping of the wheels of the cart is achieved, the situation that the wheels rotate to drive the cart to move can be effectively avoided, and use safety is improved; the shape of the semi-arc-shaped block is used for preventing the semi-arc-shaped block from colliding with a baffle, a pipeline and other components possibly existing above the cart wheel, so that the applicability can be improved, then through the cooperation of a reinforcing groove, a hollow plate, a reinforcing plate and a fixing bolt on the semi-arc-shaped block, the reinforcing plate can be stored or pulled out and fixed according to needs, and the practicability is high. And the wheel clamping and fixing effects are enhanced.

The auxiliary circle cutting device comprises a bottom plate, a vertical rod is arranged on one side of the upper surface of the bottom plate, a sliding sleeve connected with the vertical rod in an up-down sliding mode is arranged on the vertical rod in a sleeved mode, a transverse rod is arranged on one side of the sliding sleeve, and a sleeve is arranged at the end, away from the sliding sleeve, of the transverse rod. The bottom of the sleeve is rotationally connected with a U-shaped plate through a rotating shaft, a gun head sleeve capable of sliding in the length direction of the U-shaped plate is arranged at the bottom of the U-shaped plate, and the top end of the gun head sleeve is connected with the U-shaped plate through an adjusting structure. The cutting gun head and the steel plate are vertically fixed, the distance between the cutting gun head and the steel plate and the track of the cutting gun head are fixed, influences of human factors are reduced, the requirement for skills of welders is not high, the cutting speed is high, the rounding effect is good, and the welders can easily complete rounding work through simple tools.

The utility model relates to the related technical field of electric control cabinets, in particular to a splitting machine rack and an electric control cabinet thereof, which comprise a rack, and the upper surface and the lower surface of one end of an overhaul opening of the rack are fixedly connected with a first rotating shaft. According to the splitting machine rack and the electric control cabinet thereof, the hinge shafts at the positions of the first rotating shaft and the second rotating shaft need to be inserted into the rack, at the moment, the electric control cabinet is completely fixed, when the electric control cabinet needs to be moved away around the first rotating shaft, the hinge shaft at the position of the first rotating shaft is pulled out, and otherwise, when the electric control cabinet needs to be moved away around the second rotating shaft, the hinge shaft at the position of the second rotating shaft is pulled out. When the electric control cabinet needs to be maintained, the hinge shaft at the position of the first rotating shaft is pulled out, so that a user can conveniently maintain the electric control cabinet, and the problems that the electric control cabinet and the rack are designed into a structure in the prior art, and mechanical maintenance cannot be carried out at the position obviously blocked by the electric control cabinet are solved. The electric control cabinet can be moved out of the rack to make room for maintenance.

The application discloses a mechanical maintenance clamp with adjustable hand holding part, and belongs to a mechanical clamp. The mechanical maintenance clamp comprises a clamp body and a tray. The front end of the clamp body is provided with a clamp head assembly. The rear end of the clamp body is provided with a hand holding assembly. The inner side of one end of the hand holding assembly is provided with a sliding rail. A sliding block is installed on the sliding rail. A clamping ring is arranged on the sliding block. An arc-shaped frame is further installed on the sliding block. The position of the arc-shaped frame corresponds to the position of the clamping ring. Four groups of extension rods are installed on the inner side of the other end of the hand holding assembly. Respective sleeve rings are installed on the extension rods. The sleeve rings correspond to the positions of the clamping rings respectively. The tray is provided with a clamping groove which is matched with the clamp body. The lower part of the tray is further provided with a bandage. The clamp body and the tray are connected with each other through a traction rope. The clamping ring and the arc-shaped frame are driven by the sliding block to reciprocate on the end of the hand holding assembly, so that the actual hand holding part position on the hand holding assembly of the clamp body can be adjusted, different personnel with different hand shapes can use the mechanical maintenance clamp, and personnel with different hand shapes and sizes can use the mechanical maintenance clamp with less labor.

The invention discloses a cabin central control room air conditioner backup system which comprises a central control room cabinet air conditioner (1), a machine maintenance room cabinet air conditioner (2), a first turn-off air brake (3), a second turn-off air brake (4), a third turn-off air brake (5), a fourth turn-off air brake (6), a fifth turn-off air brake (7), a first ventilation fence (8), a second ventilation fence (9), a third ventilation fence (10), an air distributor (11) and an air supply head (12). According to the engine room central control room air conditioner backup system, the central control room air conditioner is arranged in the machine repair room, the air pipe and the air distributor are used for supplying air to the central control room, air supply can be uniform, noise is reduced, people feel comfortable, a cabinet air conditioner is arranged in the machine repair room beside the central control room, and the central control room air conditioner and the machine repair room air conditioner are connected through the air pipe and the air brake. After the central control room air conditioner loses efficacy, the machine repair room air conditioner can provide air conditioning air for the central control room so as to guarantee normal work of equipment in the central control room and comfort of personnel.

This invention discloses a correction and alignment device for flange connection on a spin-drying drum, relating to the field of washing machine repair technology. It includes a flange one and a flange two, and a main body. A correction plate is fixedly connected to the surface of the main body, and a snap-fit ​​base is slidably connected to the bottom surface of the main body. A correction component for driving the main body to move is provided on the snap-fit ​​base. Two clamping rods are provided inside the main body, and openings for displacement of the two clamping rods are respectively provided on the surface of the main body. A mating rod is provided below each of the two clamping rods. It also includes two auxiliary components, both located within the main body. Through the arrangement of the two auxiliary components, the two clamping rods first undergo relative displacement and then move vertically upwards synchronously. Furthermore, it includes two mating components, which are respectively connected to the two auxiliary components. Through the mutual cooperation of the above structures, this invention improves the actual user experience after flange correction and ensures the flatness of the flange connection surface.

The utility model discloses a simple tool for adjusting the gap of a damper brake, which belongs to the technical field of mechanical maintenance, and comprises a wrench body, one side of the outer wall of the wrench body is fixedly connected with an abutting block and a pull block, one side of the bottom of the wrench body is fixedly connected with a limiting iron sheet, and the limiting iron sheet is fixedly connected with the abutting block. By arranging the limiting iron sheet, related parts of a tool can be firmly fixed to proper positions, it is guaranteed that the tool is kept in a normal working state in the whole adjusting process, the working efficiency is improved, meanwhile, the limiting iron sheet can prevent the tool from falling off, and the tool is prevented from being damaged. By arranging a standby limiting assembly, the safety of operators is guaranteed; the standby limiting assembly serves as an additional guarantee, when a limiting iron sheet breaks down or fails, the standby limiting assembly can play a role in time, the risk that the tool falls off is effectively reduced, and it is ensured that the tool is always kept connected with the damper brake in the adjusting process.

The utility model provides a ship power distribution box, which comprises a distribution box body, the distribution box body is provided with different partitions through fixedly connected physical partitions, a first circuit breaker is fixedly arranged in the first partition, and the first circuit breaker is at least used for supplying power to a grinding machine in a ship maintenance room; a second circuit breaker is fixedly arranged in the second subarea, and the second circuit breaker is at least used for supplying power to an exhaust valve grinding machine in a ship maintenance room; a third circuit breaker is fixedly arranged in the third subarea, and the third circuit breaker is at least used for supplying power to a ballast water treatment device monitoring unit of the marine engine room platform. According to the utility model, the number of distribution boxes and the length of cables are reasonably reduced, and the cost is reduced; the equipment is controlled in a centralized manner, and is very convenient to maintain and manage; the appearance is simple, the arrangement is compact, and the space is saved.

The present application relates to the technical field of aero-engine, and discloses a combined machining replacement tool for engine rotor blade in maintenance, which realizes the clamping of the tenon of the old blade through the jacking mechanism and the tenon groove, clamps the blade tip of the old blade through the back positioning block and the basin positioning block, makes the standard curved surface of the back positioning block and the standard curved surface of the basin positioning block flush with the blade tip of the old blade, realizes the accurate positioning and clamping of the blade, restores the assembly state of the blade in the rotor, transfers the size of the blade tip of the old blade to the replacement tool, and then clamps the new blade to the tool, so that the size correlation of the blade tip of the new blade and the old blade is realized, and the part of the new blade tip which is higher than the standard curved surface is the part which needs to be removed. The present application also discloses a combined machining replacement machining method for engine rotor blade in maintenance, which realizes the accurate positioning and clamping of the blade through the replacement tool, and realizes the machining of the replacement machine tool through manual repair, so that the repair quality and efficiency are improved.

The utility model relates to the technical field of equipment for kiln maintenance, in particular to a kiln mechanical maintenance tool which comprises a kiln body and a shell arranged on the ground, the shell is arranged below the kiln body, an adjusting mechanism is arranged in the shell, the adjusting mechanism comprises a sealing box, a sealing block, a fixing column, an L-shaped plate and an inclined plate, and the sealing box is connected with the fixing column. According to the sand sealing device, two parts of sand are circularly screened and alternately run, when the sand in the sand sealing groove contains a large number of impurities, leaks air and does not preserve heat any more, the screened sand is directly replaced, and the sand sealing device is simple in structure, convenient to operate and high in practicability. And the furnace body can continue firing operation without re-sealing after the sand is sieved, so that a large amount of sieving time is saved, the sand can be sieved without interrupting the firing of the furnace body, and the firing efficiency is improved.

This invention provides a conveyor frame detection and adjustment mechanism, relating to the field of conveyor frame technology. It includes a fixed support, moving units, a placement wheel arc detector, a V-groove detector, a positioning fork detector, and a precision indicator unit. Several moving units are connected to the fixed support. The placement wheel arc detector, V-groove detector, and positioning fork detector are all connected to the moving units. The moving units can drive the placement wheel arc detector, V-groove detector, and positioning fork detector to move vertically. The precision indicator unit is connected to both the moving units and the fixed support, and can indicate the precision. This conveyor frame detection and adjustment mechanism can effectively ensure the accuracy of conveyor frame detection and maintenance, guarantee the positional accuracy of the robot when placing and grasping parts, prevent abnormalities during robot grasping and placing of parts that could lead to parts falling, collisions, or machine repair issues, and ensure the smooth completion of the company's production utilization rate.

The utility model relates to the technical field of mining machinery maintenance, in particular to a mine car wheel repairing device which comprises a repairing table, a servo motor and a rotary positioning mechanism, and the rotary positioning mechanism drives an arc-shaped positioning block to expand in the radial direction so as to clamp a mine car wheel hub through linkage of a screw cylinder, a fixed ring, a movable ring and a U-shaped swing frame. The repairing table is provided with a supporting sleeve rod and a balance pipe, and rotation stability is ensured. The stroke of the movable ring is adjusted through the threaded power ring, rapid positioning of a hub is achieved, a rim abrasion area is repaired in cooperation with carbon dioxide arc welding surfacing, the repairing efficiency is improved, and the service life of a wheel is prolonged. The device has the characteristics of high precision, low vibration and strong adaptability.

This invention relates to the field of coal mining machinery technology, and more particularly to a coal mining machinery repair machine with a clamping structure and its operating method. The coal mining machinery repair machine with a clamping structure includes a worktable, support legs, a controller, a drive structure, and an adjustment structure. A first slide groove is formed above the worktable, and the drive structure is disposed inside the first slide groove. The adjustment structure is fixedly installed above the drive structure. Under the control of the controller, the drive structure slides along the first slide groove. Under the control of the controller, the adjustment structure moves the height of the clamping plate relative to the worktable, adjusting the rotation angle of the clamping plate. This invention allows the repair machine to adjust the height and repair angle of parts as needed during repair.

This utility model discloses a device for the rapid disassembly of centrifugal pump impellers, mechanical seals, or bearings, belonging to the technical field of mechanical maintenance tools. The device includes a linear drive assembly, a mounting assembly, and a movable hook assembly. The mounting assembly includes a mounting beam; the linear drive assembly includes a jack and a manual pump, with the manual pump connected to the jack via a hydraulic pipe; after assembly, the jack's jack cone extends towards the pump shaft inside the centrifugal pump, and the jack cone and pump shaft are arranged coaxially; the movable hook assembly includes hook I and hook II. Hook I has a through hole I at one end and a locking piece I at the other end; hook II has a through hole II at one end and a locking piece II at the other end; hook I and hook II are respectively distributed on both sides of the jack. Through the mounting assembly, linear drive assembly, and movable hook assembly, precise, rapid, and efficient disassembly of impellers, mechanical seals, or bearings can be achieved.

The invention relates to the technical field of mechanical maintenance automation, and particularly discloses a mechanical part transfer manipulator for mechanical maintenance. By arranging an integrated system composed of the supporting frame assembly, the clamping mechanism, the first telescopic assembly, the second telescopic assembly, the third telescopic assembly and the storage frame mechanism, automatic grabbing, transferring and posture adjusting of the maintenance parts are achieved. The clamping mechanism drives a clamping jaw assembly to be opened and closed through a second telescopic assembly, and various parts can be stably grabbed through a connecting rod and a silica gel clamping face. The first telescopic assembly drives the whole to move linearly to complete taking and placing. And the third telescopic assembly is matched with the rotating rod and the long guide groove, so that the clamping frame assembly flexibly rotates between the horizontal direction and the vertical direction, and the postures of the parts are automatically adjusted in the transferring process. The device is compact in structure and coherent in action, the problems that in a traditional mode, manual intervention is needed for posture adjustment, and the working efficiency is low are effectively solved, and the automation level and the operation precision of part transfer in mechanical maintenance are remarkably improved.

This application provides a laser cutting device and method for repairing coal mining machines, relating to the field of coal mining machine repair. To address the problem in existing technologies where dust particles obstruct the output of the laser head during cutting and repairing coal mining machine parts, leading to laser scattering and uneven cutting, thus affecting the appearance quality of the cut parts, this application employs a cleaning mechanism. This mechanism, through the airflow generated by the rotation of a V-shaped plate, creates a comprehensive airflow protective shield around the laser head. This prevents dust from adhering to the output of the laser head from all directions, reducing dust obstruction and improving the cutting quality. Furthermore, the cleaning mechanism solves the problem of excessively high laser head temperature leading to reduced lifespan in existing technologies, and also addresses the problem of damage to the laser head caused by external objects impacting it.

1. Name of the product in this design: Bar Light. 2. Intended use of this design: for lighting purposes, such as general lighting, automobile repair, machine repair, architectural decoration, outdoor activities, etc. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

The invention relates to a method for estimating an actual service interval for an open-type industrial compressor with alternating or continuous flow, which comprises: - determining (1) the evaporation pressure P0 and the condensation pressure Pk of the compressor in operation; - determining (3) the actual service interval Ir by applying a starting coefficient Fd and a correction coefficient Fc to a general service interval Ig; the general service interval Ig depending on the evaporation pressure P0 and the condensation pressure Pk; the correction coefficient Fc being based on the load of the compressor in operation; and the starting coefficient Fd being based on a forecast number of starts and total hours of operation of the compressor over a predefined time interval; - updating (4) a future service time on the basis of the value of the actual service interval Ir determined and the date of the last service.

This application discloses a support frame for agricultural machinery repair, belonging to the technical field of agricultural machinery repair equipment. The support frame includes a lifting frame, which comprises a support frame, multiple lifting columns fixedly installed below the support frame, a raised support frame fixedly installed above the support frame, a mounting housing fixedly installed on one side of the support frame, a driving block slidably connected inside the mounting housing, a pushing mechanism installed on one side of the driving block, a liquid pump also installed on one side of the mounting housing, and a flushing assembly installed on one side of the liquid pump. The flushing assembly includes a hose fixedly connected to the output end of the liquid pump, a dispensing box fixedly connected to the end of the hose, and multiple flushing nozzles fixedly connected to the dispensing box. This application's technical solution, by setting up the flushing assembly, the driving block, and the pushing mechanism, can efficiently clean dirt from the bottom of agricultural machinery equipment, effectively preventing this dirt from obstructing the view of repair personnel and facilitating equipment repair.