1535 results about "Hydraulic press" patented technology

The invention relates to the technical field of hydraulic machine oil cylinder assembling, in particular to an automatic oil cylinder assembling control system and an assembling process. Comprising an assembling platform, a clamping mechanism, a mounting mechanism, a visual monitoring system and an upper computer, the upper computer controls the clamping mechanism, the mounting mechanism and the visual monitoring system, through cooperation of all the mechanisms and a monitoring module, an oil cylinder is moved from one end of the assembling platform to the other end of the assembling platform, all parts are assembled in the moving process, and the assembling process is completed. The purpose of automatically installing the oil cylinder is achieved, the whole installation process can be monitored, and the purposes of reducing the number of reworking times, improving efficiency and improving the quality of the oil cylinder are achieved.

The invention belongs to the technical field of rock drills, and discloses a rotary impact type hydraulic rock drill. The rock drilling bit group is arranged in one side of the rock drilling machine shell; the rotating mechanism is arranged at the top of the rock drill shell, and the rotating mechanism is located above one side of the rock drill bit set; according to the technical scheme, by arranging the hydraulic mechanism, the cooling and cleaning assembly and the driving assembly, when the hydraulic mechanism is started to make the output end collide with one end of the middle of the rock drilling bit set back and forth, the top of one side of the driving assembly is driven to move up and down back and forth; cold water in one side of the cooling and cleaning assembly can be pumped back and forth into the other side of the cooling and cleaning assembly, and then the cold water can be sprayed out through the other side, so that heat generated by the impact part of the hydraulic mechanism and the rock drilling bit group can be cleaned and cooled; the service life of parts in the rock drill shell is prevented from being influenced by high temperature.

The invention relates to the technical field of cubic hydraulic press monitoring, in particular to a cubic hydraulic press health monitoring method and system based on an intelligent sensor, and the system comprises a health monitoring terminal, a data sensing module, a data processing module, a health diagnosis module, a fault management module, a diagnosis positioning module, a cooperative influence module and a rear-end execution module. According to the method, the time domain, the frequency domain and the time domain-frequency domain combined features are extracted, meanwhile, the state change slope is quantified, early warning of the equipment degradation trend is achieved, a fault type-abnormal feature-weight mapping table is constructed, a fault core component and the specific position are accurately positioned, and the fault core component is accurately determined by matching with digital twinborn visual marks. And meanwhile, the internal relation between components is quantified by constructing a component incidence matrix, the health influence coefficient of the cooperative component is calculated in combination with a fault grade coefficient, key components affected by faults are recognized in advance, a cooperative damage list is formed, and operation and maintenance personnel are assisted to intervene in advance.

The invention is suitable for the technical field of powder metallurgy and advanced ceramic material sintering equipment, and provides an integrated flash sintering device for vacuum and a sintering method. The device comprises a power supply module, a high vacuum module, a first servo hydraulic machine, a second servo hydraulic machine, a third servo hydraulic machine, a mold rotation switching module, a vacuum feeding module, a green body pressing module, a demolding and mold cleaning module and a mold transfer module. According to the invention, an integrated gear tray design is adopted to integrate the functions of die installation, graphite paper treatment and green body pressing, and online synchronous cleaning of an electrode and a die is realized through die fixation and a cleaning brush arranged in a cleaning drum; therefore, full-automatic, high-efficiency and high-stability continuous production of flash sintering from powder filling to finished product collection is realized.

The invention discloses a hydraulic mechanism for a water-cooled magnet structure with high mechanical stability. The hydraulic mechanism comprises a cylinder body, a piston, a check ring, a pressure equalizing pad, a limiting block, a first force transmission check ring, a first anti-rotation pin, a second force transmission check ring, a second anti-rotation pin, a first force transmission column and a second force transmission column. The water-cooled magnet has the advantages that axial stress application can be carried out on the magnet coil assembly, the pressing force on the magnet coil assembly is improved, the problems of tension fracture and damage caused by coil stress overrun due to overlarge radial expansion electromagnetic force of a magnet coil bit piece and an insulating piece are solved, and the high mechanical stability of the water-cooled magnet is improved.

The invention discloses an internally-inserted water-cooled magnet device for a high-field hybrid magnet. The internally-inserted water-cooled magnet device comprises a container assembly and a magnet coil assembly arranged in the container assembly. The container assembly comprises an upper barrel assembly, a container end cover, a hydraulic machine assembly, a center pipe assembly, an inner supporting assembly, a middle barrel assembly, a lower barrel assembly and an electric connecting assembly. The hydraulic machine assembly comprises a cylinder body, a piston, a check ring, a pressure equalizing pad, a first force transmission check ring, a first anti-rotation pin, a second force transmission check ring, a second anti-rotation pin, a first force transmission column and a second force transmission column. The axial force application device has the advantages that axial force application can be performed on the magnet coil assembly, the pressing force on the magnet coil assembly is improved, and the problems of tension fracture and damage caused by coil stress overrun due to overlarge radial expansion electromagnetic force of a magnet coil bit piece and an insulating piece are solved.

The invention discloses a novel internally-inserted water-cooled magnet container assembly for a hybrid magnet with high mechanical stability, which comprises an upper cylinder component, a container end cover, a hydraulic machine component, a central tube component, an inner support component, a middle cylinder component, a lower cylinder component, an electric connection component and a first conductive flexible connector, and a magnet coil assembly comprises a plurality of radially-sleeved coils; the hydraulic machine assembly comprises a cylinder body, a piston, a check ring, a pressure equalizing pad, a limiting block, a first force transmission check ring, a first anti-rotation pin, a second force transmission check ring, a second anti-rotation pin, a first force transmission column and a second force transmission column. The device has the advantages that axial force application can be performed on the magnet coil assembly, the pressing force on the magnet coil assembly is increased, the problems of tension fracture and damage caused by coil stress overrun due to overlarge radial expansion electromagnetic force of a magnet coil bit piece and an insulating piece are solved, the dismounting and maintenance process of the mixed internally-inserted water-cooled magnet device is simple and rapid, and the efficiency is high. And the dismounting efficiency is improved.

An epoxy concrete stirring device is used for solving the problems that underwater epoxy repairing materials are stored in a layered mode, the mixing time is uncontrollable, and underwater operation is inconvenient. The device comprises a stirring kettle, a kettle cover and an internal partition plate, wherein the partition plate divides a cavity into an upper-layer curing agent storage area and a lower-layer mortar mixing area; a seepage mechanism is arranged in the center of the partition plate, a movable plug is in linkage with an inner wall bayonet lock through a threaded groove in the outer wall of a stirring shaft, the stirring shaft rotates to drive the movable plug to move upwards, seepage holes in the outer wall of a liquid collecting groove are opened, and controllable inflow of a curing agent into mortar is achieved; the feeding port and the discharging port are controlled to be opened and closed through a hydraulic valve, a hydraulic machine and a hydraulic clamp respectively. According to the device, advanced reaction of components is avoided through layered isolation, mixing is accurately triggered through mechanical linkage, hydraulic driving adapts to underwater operation, it is ensured that the low consistency and high uniformity of materials are kept, and the reliability of underwater repair construction and the performance stability of the materials are improved.

The invention discloses a high-field water-cooling magnet device which comprises a container assembly and a magnet coil assembly, and the magnet coil assembly is located in the container assembly and communicated with the container assembly. The container assembly comprises a hydraulic machine assembly, and the hydraulic machine assembly comprises a cylinder body, a piston, a check ring, a pressure equalizing pad, a first force transmission check ring, a first anti-rotation pin, a second force transmission check ring, a second anti-rotation pin, a first force transmission column and a second force transmission column. The axial force application device has the advantages that axial force application can be performed on the magnet coil assembly, the pressing force on the magnet coil assembly is improved, and the problems of tension fracture and damage caused by coil stress overrun due to overlarge radial expansion electromagnetic force of a magnet coil bit piece and an insulating piece are solved.

The invention relates to the technical field of wind power gear forging, in particular to forging equipment for wind power gear forgings and a forging method of the forging equipment. A protective vertical plate is fixed to the corner of the top of the base, a top plate is installed at the top of the protective vertical plate, and a forging hydraulic machine is installed at the middle end of the top plate. Wherein the forging platform is located at the top of the base; wherein the number of the overturning bases is two, the two overturning bases are installed at the two ends of the top of the forging platform, and guide grooves are formed in the upper ends of the overturning bases. By means of the arrangement of the overturning base, manual near-field operation is replaced, safety risks caused by high-temperature and heavy forgings are completely eradicated, safe interlocking is formed by the groove type photoelectric switch and the Z-shaped shielding piece, it is ensured that the action is accurate and reliable, the overturning time is shortened to be the shortest, a high-temperature forging window of the forgings is fully utilized, and the heating frequency is reduced.

The invention relates to the technical field of hydraulic machines, in particular to a multi-station rotary workbench powder hydraulic machine and a control method thereof.The multi-station rotary workbench powder hydraulic machine comprises an upper cross beam, a movable cross beam, a lower cross beam and a material pressing table, a material pressing device is arranged between the material pressing table and the movable cross beam, and a material conveying device is arranged on one side of the material pressing device and fixed to the side face of the upper cross beam; the material pressing device comprises a material pressing cylinder; a rotating table indexing mechanism and a cam device are arranged on the material pressing table, and a material jacking cylinder and a guide column are arranged below the material pressing table; a plurality of tooth blocks are arranged on the rotating table indexing mechanism, and a plurality of station bins are evenly arranged in an annular area surrounded by the tooth blocks; the material conveying device comprises a powder storage bin and a conveying pipe; the lower end of the conveying pipe rotationally corresponds to the powder loading station in the station bin, and the demolding station of the station bin rotationally corresponds to the ejection cylinder. The powder hydraulic machine with the multi-station rotary workbench overcomes the defects that the positioning precision is insufficient, the unbalance loading resistance is poor, the dust pollution is serious, and the production efficiency is low.

The invention relates to the technical field of motor machining, in particular to a cutting machine for machining a vehicle motor support. Comprising a machining table, a hydraulic mechanism is arranged above the outer wall of the machining table, a machining groove is formed in the outer wall of the machining table, and a cleaning mechanism is arranged on the outer wall of the machining table and located below the machining groove; the hydraulic mechanism comprises a hydraulic head, a hydraulic rod, a fixing clamp and a to-be-machined part, the hydraulic head is fixedly connected to one side above the outer wall of the machining table, the hydraulic rod is fixedly connected to the driving end of the hydraulic head, the fixing clamp is fixedly connected to the other side above the outer wall of the machining table, and the to-be-machined part is installed on one side of the fixing clamp. The cleaning mechanism comprises a transmission shaft, a driving assembly and a conveying belt, the transmission shaft is rotationally connected below the outer wall of the machining table, the driving assembly can be fixedly connected to the outer wall of the transmission shaft, and the conveying belt is installed on the outer wall of the driving assembly. Compared with the prior art, chippings generated in the machining process of the to-be-machined workpiece are directly received and conveyed through the conveying belt, manual cleaning by hands or cleaning by a dust collector are not needed, and the working efficiency of the device is greatly improved.

The invention discloses a high-current-carrying water-cooling magnet coil combined structure which comprises a hydraulic machine assembly, a coil A and a coil B, wherein the coil A and the coil B are connected in series. The hydraulic machine assembly comprises a cylinder body, a piston, a check ring, a pressure equalizing pad, a limiting block, a first force transmission check ring, a first anti-rotation pin, a second force transmission check ring, a second anti-rotation pin, a first force transmission column and a second force transmission column, the coil A and the coil B are electrically connected in series through an AB electric connecting plate, the first force transmission column is in insulated connection with the AB electric connecting plate, and the second force transmission column is in insulated connection with the coil B; and the electromagnetic coil between the coil A and the coil B is insulated through an insulating cylinder assembly. The device has the advantages that axial force application can be performed on the magnet coil assembly, the pressing force on the magnet coil assembly is improved, and the problems of tension fracture and damage caused by coil stress overrun due to overlarge radial expansion electromagnetic force of a magnet coil bit piece and an insulating piece are solved; the structure of the insulating cylinder assembly realizes high current carrying of the A coil and improves the magnetic field intensity of the water-cooled magnet.

The utility model provides a reaction tube cleaning device, and belongs to the technical field of hydrogen energy storage device cleaning. The reaction tube cleaning device comprises: a heating tank for accommodating and heating a reaction tube; the brush is used for cleaning the inner wall of the reaction tube; the cleaning liquid storage tank is provided with a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are both communicated with the heating tank; the hydraulic machine is arranged between the liquid inlet and the reaction tube. According to the reaction tube cleaning device, the reaction tube is arranged in the heating tank, and the cleaning liquid pressurized by the hydraulic machine is conveyed into the heating tank through the cleaning liquid storage tank, so that the reaction tube can be cleaned by the cleaning liquid under a certain heating condition and certain pressure, and meanwhile, the inner wall of the reaction tube is cleaned by the brush, so that the reaction tube can be fully cleaned; and the device is suitable for small reaction tubes with various specifications in an organic liquid hydrogen storage system.

The invention relates to the technical field of rolling mills, in particular to a rolling mill roller parallelism fast adjusting device which comprises a bottom plate, a vertical plate and a main transmission mechanism, the output end of the main transmission mechanism is in meshed connection with a working roller and a supporting roller which are vertically distributed, and the supporting roller penetrates through the vertical plate and extends to the two sides of the vertical plate. The positions, corresponding to the vertical plates, of the working rollers and the supporting rollers are sleeved with bearings, the section width of the bearings is larger than the thickness of the vertical plates, guide grooves are formed in the vertical plates, and hydraulic mechanisms are fixedly installed at the upper ends of the guide grooves. The sharp-angle tip of the trapezoidal feeler gauge can be easily inserted into a narrow gap between the two cylindrical bearings, accurate positioning can be achieved, stable supporting can be applied to the supporting roller, and the supporting roller can be accurately positioned under the condition of not depending on the hand feeling of an operator by being matched with the fine-adjustable working roller hydraulic lifting mechanism. Standardized and quantitative measurement and comparison are carried out on the gap between the two ends of the roller, so that a direct and reliable basis is provided for quickly and accurately adjusting the parallelism.

The application belongs to the technical field of automobile door lock processing, and discloses an automobile door lock drilling processing equipment, which comprises a working shell and a working frame, and the top of the working frame is fixedly connected with a hydraulic machine; when the drilling frame is lowered, the drilling frame drives the extrusion rod to be lowered; in the lowering process of the extrusion rod, the extrusion rod will pass through the round hole and contact the lifting plate in the special-shaped shell, so that the lifting plate is pressed downward; before the drill rod and the workpiece are contacted, the lifting plate drives the rotating rod to be lowered; the rotating rod drives the sliding block to slide along the outer wall of the cross rod; the sliding block drives the connecting cylinder and the special-shaped plate to move; the special-shaped plate drives the elastic sliding rod and the flexible clamping block to move; since the outer wall of the workpiece is rhombic, the side wall of the flexible clamping block can be closely attached to the side wall of the workpiece in the moving process, so that the workpiece is accurately positioned at the top center of the bearing shell, displacement of the workpiece in the processing process is prevented, and the stability and accuracy of drilling are further improved.

This disclosure relates generally to systems and methods for packing furniture elements for shipping. A method of packing a furniture article includes compressing a block of high-density rebound foam forming the furniture article with a hydraulic press from an initial volume to a reduced volume. The reduced volume may be about one-fourth to about one-seventh of the initial volume and the furniture article may be substantially planar in the reduced volume. The method may also include reducing a pressure of the block of high-density rebound foam simultaneously to compressing the block of high-density rebound foam to form a compressed and pressurized furniture article. Further, the method may include rolling the compressed and pressurized furniture article in a wrapping to form a rolled furniture article for packing and shipping, and packing the rolled furniture article in a container for shipping.

This invention belongs to the field of prefabricated building technology and discloses an installation device for precast concrete stair components, including a base. Through the cooperation of a positioning component and a hydraulic mechanism, a rubber plate presses against two support plates, causing the lower end of the rubber plate to squeeze the hydraulic oil inside the hydraulic cylinder into the telescopic rod, forcing it to extend the guide rod. The guide rod then moves the hydraulic oil between itself and the sealing plate, causing the oil pressure to pass through a metal rod and compress the air between the sealing plate and the sealing plate. The telescopic end of the hydraulic cylinder moves slowly, preventing damage to the precast concrete stair components and the device during movement. The hydraulic mechanism drives the support component to lower the positioning component and the precast concrete stair components to a suitable installation position, reducing the time spent installing the stair with a crane and minimizing the labor required to manually move the precast concrete stair components and align them in their installation positions.

The invention provides an intelligent pipe connecting device in pipe jacking and pulling construction and a construction method, and belongs to the technical field of trenchless pipeline construction. The intelligent pipe connecting device comprises an intelligent clamping mechanism, a laser centering module, a movable centering mechanism, a sealing enhancing mechanism, an online detection module and a ground remote monitoring module; the intelligent clamping mechanism comprises a self-adaptive hydraulic clamp, and a pressure sensor is arranged in the self-adaptive hydraulic clamp; the laser centering module comprises a cross laser transmitter and a high-precision CCD visual module; the movable centering mechanism comprises a ball screw driven by a servo motor and a multi-stage hydraulic jack; the sealing enhancing mechanism comprises a self-sealing joint and a hydraulic pressing device, and inverted tooth threads are arranged in the self-sealing joint; the online detection module comprises an air pressure sensor and a leakage detection camera; full-automatic pipe connection is achieved by integrating the intelligent clamping module, the laser centering module, the automatic moving module, the sealing enhancing module and the like, manual well descending operation is effectively avoided, construction safety is guaranteed, and the butt joint precision is improved.

The utility model belongs to extrusion pin four loop hydraulic technology field, and disclose a kind of extrusion pin four loop hydraulic device, including hydraulic machine spare, the upper surface of hydraulic machine spare is equipped with motor pump group, the surface of hydraulic machine spare is equipped with energy accumulator, the output of motor pump group is equipped with valve group, and the valve group is connected with the hydraulic machine spare, the surface of hydraulic machine spare is equipped with cooling pump group, the valve group with the energy accumulator is connected by pipeline intercommunication, the valve group with the hydraulic machine spare is connected by pipeline intercommunication, the side surface of hydraulic machine spare is equipped with water cooler, the cooling pump group with the water cooler is connected by pipeline intercommunication, the front side of hydraulic machine spare is equipped with liquid level meter, the utility model has can realize four loop processing, avoid unstable pressure and slow response speed and other problems, greatly improve the stability of device when using, the advantages that extrusion pin acting force is uniform.

The application discloses a variable-angle shearing experiment device with controllable loading surface, which comprises a hydraulic press frame, a flexible transition plate arranged on the hydraulic press frame, a transition plate support base, a loading table and a lifting device, wherein the lifting device is arranged at the lower end of the hydraulic press frame and is used in cooperation with the loading table; the loading table is arranged on the upper side of the lifting device and is provided with a sample table on the loading table; the transition plate support base is arranged on the loading table and is used in cooperation with the flexible transition plate; the flexible transition plate is arranged on the loading table through the transition plate support base and is used in cooperation with a loading mechanism; the device has the characteristics of reasonable structure design, simple and convenient use and effective simulation of the real state of rock stress under complex environment, and can adjust the size of the pressure applied by the shearing force loading surface and the constraint surface, fix different size samples and adjust the curvature of the loading head.

The application discloses an environment-friendly composite pear-wood floor processing device and a production method thereof, and relates to the technical field of wood floor processing, in particular to an environment-friendly composite pear-wood floor processing device. The environment-friendly composite pear-wood floor processing device comprises a bottom supporting block, a supporting frame is fixedly installed above the bottom supporting block, a hydraulic mechanism is fixedly installed on the top surface of the supporting frame, a pressing block is fixedly connected to the bottom end of the output shaft of the hydraulic mechanism, and a fixed limiting block is fixedly installed on the left side and the right side of the top surface of the bottom supporting block. The rear limiting block and the front limiting block can be limited through the cooperation of the movable limiting sleeve and the telescopic column, the front limiting block, the rear limiting block and the two fixed limiting blocks are limited, the superposition state is maintained during the pressing process of the wood layers, the subsequent cutting is avoided, the strength of the pressed floor is effectively ensured, and the quality of the product is improved.

The utility model discloses a detection device for detecting the opening amount of a load box, and the device comprises a load box which comprises an upper supporting plate and a lower supporting plate, a hydraulic mechanism is disposed between the upper supporting plate and the lower supporting plate, and the hydraulic mechanism is used for driving the upper supporting plate and the lower supporting plate to be separated from each other in the vertical direction; the mounting pipe is arranged on the lower supporting plate, a slide rheostat is arranged in the mounting pipe and comprises a sliding piece and a resistance wire which are in contact with each other, the sliding piece is electrically connected with a display module through a first connecting wire and is fixedly arranged relative to the upper supporting plate, the resistance wire is connected with a power source through a second connecting wire, and the second connecting wire is arranged on the lower supporting plate; the power supply is electrically connected with the display module. The detection device for detecting the opening amount of the load box with the structure can detect whether the load box is normally opened or not in a self-balance test, can facilitate people to analyze the opening amount of the load box, and provides a guarantee for the accuracy of the self-balance test.

The invention relates to a method for setting the parameters of a control of a pressure supply system of a hydraulic system, wherein the pressure supply system has a motor (4) and a hydraulic machine (2) that are controlled with a manipulated variable, wherein the control (160) is implemented by a control algorithm, wherein the control algorithm is parameterised by one or more parameters that can be set or changed during operation, the method comprising: carrying out (110), during operation of the hydraulic system, an estimation method based on a physical model in order to determine an estimated value for at least one characteristic variable of the hydraulic system, wherein the at least one characteristic variable includes a hydraulic capacity of the hydraulic system; determining (120) an adjustment time constant as equal to or greater than a target time constant, by means of which a maximum pressure build-up rate of the hydraulic system is achieved, which is determined by the estimated value for the hydraulic capacity and a maximum volumetric flow rate of the hydraulic machine; setting (150) at least one parameter of the one or more parameters, wherein the at least one parameter is determined (130, 140) by a respective function dependent on the setting time constant.

The application discloses a simple load box with a sealed guide structure, and belongs to the field of load boxes. The simple load box comprises a lower plate, fixing columns, through holes, an upper plate, a hydraulic mechanism and a guide mechanism. The upper plate is fixedly connected to the lower plate through the fixing columns. The through holes are arranged on the axis positions of the lower plate and the upper plate. The guide mechanism is arranged on the upper side of the lower plate. The hydraulic mechanism is arranged on the upper side of the lower plate. The through holes vertically penetrate the upper plate and the lower plate and are used for passing through grouting pipes. The fixing columns are welded or fixed to the lower plate and the upper plate through threads. The hydraulic mechanism is used for injecting hydraulic oil to vertically push the lower plate and the upper plate, so that pile foundation detection work is carried out. The guide rods arranged in the guide mechanism are used for guiding the lower plate and the upper plate. The guide rods are sealed through the structure arranged in the guide mechanism, so that the guide rods are fixed by concrete and the lower plate and the upper plate when the guide rods contact the concrete during grouting before testing, and the guide rods cannot play a guiding role.

This utility model relates to the field of crane technology, specifically to a multi-purpose crane with a double-hook function, including a base and a split-lift hydraulic lifting assembly. The split-lift hydraulic lifting assembly includes a hydraulic press, a rotating disc, a lifting column, a connecting block, and a telescopic column. The hydraulic press is detachably connected to the base and is located on one side above the base. The rotating disc is detachably connected to the hydraulic press and is located at the center above the hydraulic press. The lifting column is rotatably connected to the rotating disc and is located at the center above the rotating disc. The connecting block is detachably connected to the lifting column, and the telescopic column is detachably connected to the connecting block. By modifying and replacing the original hook structure with a split-lift hydraulic lifting assembly, the problem of existing small cranes mostly equipped with a single hook being solved is effectively addressed. When multiple small goods need to be lifted, a single hook can only be operated one by one, which not only consumes a lot of time and reduces work efficiency, but also increases the cumbersome operation and safety hazards during multiple lifting operations.

The utility model discloses a hydraulic mechanism with a self-adjusting cushion block. The hydraulic mechanism comprises a rack, a hydraulic mechanism body arranged on the rack and the self-adjusting cushion block located below the hydraulic mechanism body. The self-adjusting cushion block comprises a base block, the top face of the base block is a first machining face, a station piece is arranged on the first machining face, the bottom face of the base block is a second machining face, the two sides of the base block are each provided with a limiting sliding block, and the self-adjusting cushion block is in limiting fit with the rack through the limiting sliding blocks and can move along the rack. The limiting sliding block is provided with an oblong hole, and the limiting sliding block penetrates through the oblong hole through a bolt to be connected with the side face of the self-adjusting cushion block. The limiting sliding blocks are arranged at the two ends of the self-adjusting cushion block, the limiting sliding blocks can slide down along the long round holes under the action of the gravity of the limiting sliding blocks, and therefore a limiting structure matched with a rack is formed.

The utility model discloses a pump body hydraulic machine machining clamp which is characterized in that the pump body hydraulic machine machining clamp comprises a left vertical plate, a right vertical plate and a clamp bottom plate, the left vertical plate and the right vertical plate are oppositely arranged, the clamp bottom plate is arranged on the top face of the left vertical plate and the top face of the right vertical plate, and a cylindrical positioning pin and a rhombic pin are arranged on the clamp bottom plate. Three equal-height supporting columns are further arranged on the clamp bottom plate and distributed in a triangular shape, a lever pressing cylinder is arranged on one side of each equal-height supporting column, and a pressing arm of each lever pressing cylinder right faces the top face of the corresponding equal-height supporting column. The pump body clamp has the advantages of being simple in structure, convenient to clamp, high in positioning accuracy, high in pump body clamping stability and beneficial to improving the machining accuracy of the pump body.

This utility model relates to the field of grinding technology, specifically to a hydraulic vertical pressure plate grinding mill. It includes a base and a housing mounted on the base. A lower grinding disc is rotatably supported within the housing, and an upper grinding disc is positioned above it. Grinding balls are placed between the lower and upper grinding discs. Annular grooves are provided on the contact surfaces of both the lower and upper grinding discs opposite the grinding balls. A pressure plate is positioned above the upper grinding disc. A hydraulic mechanism for applying pressure to the pressure plate is provided on the housing. A turntable is positioned below the lower grinding disc. The turntable and lower grinding disc are positioned and fitted together, ensuring that the lower grinding disc rotates with the turntable. The turntable is rotatably supported by a transmission assembly, which includes a main shaft. The top end of the main shaft is fixedly connected to the turntable, and the main shaft is mounted on a positioning support assembly. An analyzer is located at the top of the housing. This hydraulic vertical pressure plate grinding mill has the advantages of compact structure, stable operation, and high grinding efficiency, and is suitable for grinding various materials.

This invention relates to the field of casting molding technology and discloses an aluminum alloy molding machine for GIS. After the first preliminary compaction, the sand body is positioned slightly higher than the sand box of the aluminum alloy molding machine. Subsequently, the hydraulic mechanism of the aluminum alloy molding machine lifts the pressing plate on the molding machine. The electric telescopic rod of the mounting frame pushes the scraper structure mounting frame horizontally to the right. After the movable scraper body contacts the sand body above the sand box, it rotates around the movable scraper shaft. Simultaneously, the movable scraper roller rolls on the edge of the sand box body of the aluminum alloy molding machine. The roller protrusions cause the movable scraper body to oscillate back and forth, thereby forming wavy grooves on the sand surface by the scraper fixing ball. After the scraper structure mounting frame moves to the far right, the mounting frame resets, and the bottom of the movable scraper adheres to the upper surface of the sand box body of the aluminum alloy molding machine, scraping away excess sand and pushing it into the sand box positioning box. Finally, the hydraulic mechanism drives the pressing plate on the molding machine again for a second final compaction, which helps to improve the compactness of the sand mold.