20results about How to "Short trip" patented technology

The present application relates to the technical field of shield switch structure, and discloses a shield automatic switch structure and processing equipment, the shield automatic switch structure includes beam assembly, first drive mechanism, telescopic shield assembly and support connecting mechanism. When the shield automatic switch structure is used, the support connecting mechanism is arranged on the second side of the telescopic shield assembly, the support connecting mechanism occupies small floor space, and is convenient to arrange; the support connecting mechanism has small stroke and occupies small floor space; when the telescopic shield assembly is closed, the second side of the telescopic shield assembly is first connected and fixed on the first fixed support through the support connecting mechanism; when the telescopic shield assembly needs to be opened, the support connecting mechanism is disconnected from the first fixed support, the first drive mechanism drives the telescopic shield assembly to move away from the outer protection component, which can effectively prevent the telescopic shield assembly from being stuck during opening and closing, thereby effectively reducing the failure rate of the equipment, improving production efficiency and maintenance cost.

This utility model discloses a high-efficiency toothed sprocket production mold for powder metallurgy, relating to the field of sprocket production. It includes a lower mold base, with a support frame fixedly connected to the top of the lower mold base. Cylinders are installed on both sides inside the lower mold base, and a fixed plate is fixedly connected to the output end of each cylinder. An upper mold is fixedly connected to the bottom of the fixed plate. A powder box is also provided above the lower mold base, with a scraper and discharge port installed at the bottom of the powder box. A drive mechanism for moving the powder box is provided on the fixed plate. The opening and closing of the mold is achieved by driving the fixed plate and the upper mold up and down through the cylinders. Simultaneously, a rack and pinion transmission mechanism converts the up-and-down movement of the upper mold into the horizontal movement of the powder box. When the upper mold presses down for forming, the powder box automatically moves away from the mold hole to avoid interference. After forming, it automatically returns to the center position for powder filling. The entire process requires minimal manual intervention.

The application relates to the technical field of relays, in particular to a novel magnetic latching relay which comprises a shell, a contact mechanism fixedly installed in the shell, the contact mechanism comprising a first static foot and a second static foot, the first static foot and the second static foot being fixedly installed on one side in the shell, a first static contact being fixedly installed on the first static foot, a second static contact being fixedly installed on the second static foot, a rotating mechanism being rotatably connected to one side in the shell and located between the first static foot and the second static foot, two dynamic contacts being fixedly installed on the rotating mechanism and used for cooperating with the first static contact and the second static contact to realize circuit on-off, a pushing assembly being fixedly installed in the shell and used for driving the rotating mechanism to rotate, and an electromagnetic assembly being fixedly installed in the shell and used for driving the pushing assembly, through rotation of the rotating mechanism, the two dynamic contacts on the rotating mechanism are respectively attached to the first static contact and the second static contact, the single-contact stroke is shortened, and the working efficiency of the device is improved.

The utility model relates to hydraulic breaking hammer technical field especially hydraulic breaking hammer power assembly, include: drill rod seat for installing cylinder and drill rod, this drill rod seat is used for sliding installation drill rod, the piston is slidably installed in this cylinder, reversing valve, this reversing valve is installed on the cylinder and is equipped with the hydraulic oil circuit for the hydraulic oil flow circulation between it and the piston cavity in the cylinder, this reversing valve passes through reversing control hydraulic oil and enters the different cavity of piston for realizing piston reciprocating motion along the cylinder, energy accumulator, its installation is on reversing valve and is connected with the hydraulic oil circuit of reversing valve, is used for the hydraulic energy storage when piston is going up and the release hydraulic energy when piston is going down to increase the impact force when piston is going down, is used for solving the technical problem that the piston buffer of the breaking hammer in the prior art exists in the general existence of internal leakage and is hurt and the slow and long stroke of the frequency of attack.

This utility model relates to an auxiliary device for inductor production, including a support frame, a drive mechanism mounted on the support frame, a transport mechanism connected to the drive mechanism, and a tray-stacking auxiliary mechanism mounted on one side of the support frame. The drive mechanism includes a fixed plate mounted on the support frame, a drive component connected to one side of the fixed plate, and a transmission component connected to the output end of the drive component. An arc-shaped guide groove is provided on the other side of the fixed plate. The transport mechanism includes a moving plate, several material-picking components mounted on the moving plate, and a guide component. The transport mechanism of this utility model has multiple material-picking components. Driven by the drive mechanism, the transport mechanism can simultaneously move up and down reciprocatingly during movement. Multiple workstations can be transported simultaneously in one movement, resulting in fast and efficient operation. With the cooperation of the tray-stacking auxiliary mechanism, the transport mechanism only needs to perform the action of placing products onto the tray, shortening the travel distance and further improving work efficiency.

A plunger-type booster brake pump equipped with a one-way valve includes a housing assembly and a plunger assembly. The plunger assembly includes a plunger, a plunger sleeve, and a cup. One end of the plunger sleeve is movably disposed within the inner cavity of the housing assembly, forming a first volume chamber between the plunger sleeve and the inner cavity of the housing assembly. The cup divides the inner cavity of the housing assembly into a second volume chamber and a third volume chamber. A plunger cavity is provided at one end of the plunger adjacent to the plunger sleeve. The plunger cavity has first through holes evenly distributed around its axis that communicate with the second volume chamber, and a one-way valve is provided at the end adjacent to the first volume chamber. During operation, the plunger-type booster brake pump shortens the stroke and increases braking force by controlling the connection and disconnection between the first and second volume chambers through the one-way valve. At the same time, it avoids the pressure drop in the first volume chamber caused by the connection between the first and third volume chambers, solving the problem of the downward bending inflection point in the pedaling force curve and ensuring the braking safety of tractors or large motor vehicles.

The application discloses a cleaning system control method and a water storage bucket closing method, and belongs to the technical field of cleaning equipment. The control method of the cleaning system comprises the following steps: controlling a first closing device to move towards a water storage bucket opening until the first closing device abuts against an opening cover plate, and pushing the opening cover plate to a first closing position; and controlling a second closing device to move towards the water storage bucket opening until the second closing device abuts against the opening cover plate, and pushing the opening cover plate to a second closing position to close the water storage bucket. The closing operation of the water storage bucket is divided into two parts, so that the opening cover plate of the water storage bucket and the second closing device can be prevented from being damaged due to serious collision and extrusion.

This invention relates to an extruder, and more particularly to a high-efficiency automatic dry powder forming hydraulic press driven by a three-axis CNC bidirectional pump servo. The invention provides a high-efficiency automatic dry powder forming hydraulic press driven by a three-axis CNC bidirectional pump servo, comprising a cabinet, a table, a lower power assembly, and an upper power assembly. The table is bolted to the cabinet. The lower power assembly is mounted on the table and provides an upward thrust for dry powder forming. The upper power assembly is mounted on the upper part of the cabinet. The top cylinder of this invention is fixed with a flange, which is directly connected to the table, eliminating the need for large nuts for tightening. This results in a simple structure and easy disassembly. Furthermore, this invention indirectly transmits the extrusion thrust through air cushion blocks, allowing for a shorter stroke of the top cylinder, reducing the overall height of the equipment, and making the structure more compact.

This utility model relates to the field of switch structures, and particularly to an eccentric rotary double-break three-position disconnecting switch for 40.5kV gas-insulated switchgear. The switch includes an isolating stationary contact, a circuit breaker stationary contact, a grounding stationary contact, and a disconnecting switch. The disconnecting switch includes a three-position switch conductor, an insulating support structure, and a rotating shaft. The insulating support structure is fixedly connected to the three-position switch conductor. The rotating shaft is sleeved with the insulating support structure, allowing the three-position switch conductor to rotate around the center of the shaft. The isolating stationary contact, circuit breaker stationary contact, and grounding stationary contact are spatially arranged in a triangle, with the rotating shaft located at the circumcenter of this triangle, forming an eccentric structure. By spatially distributing the isolating stationary contact, circuit breaker stationary contact, and grounding stationary contact in a triangular pattern, and with the rotating shaft located at the circumcenter of the triangle to form an eccentric structure, the conductor rotation path is significantly shortened, resulting in a more compact overall layout, suitable for electrical cabinets with limited space.

This invention discloses a hydraulic steering device and an all-terrain vehicle hydraulic steering system. The steering gear 6 of the hydraulic steering device adjusts its displacement via a variable displacement control cylinder 9, which is controlled by an electro-proportional two-position three-way directional valve 11. The opening of the oil circuit within the electro-proportional two-position three-way directional valve 11 is controlled by an electrical signal converted from vehicle speed. When the vehicle speed increases, the displacement of the steering gear 6 decreases; when the vehicle speed decreases, the displacement of the steering gear 6 increases. The outlet of the variable displacement pump 1 is connected to a steering oil circuit switching valve 7 via a one-way valve 4. The steering oil circuit switching valve 7 connects the steering gear 6 and the steering cylinder 3. This invention addresses the problem of easy rollover and fishtailing in hydraulically driven all-terrain vehicles at high speeds by providing a hydraulic steering control system that links vehicle speed and steering wheel angle control, adjusting the control ratio of steering wheel angle and overall vehicle angle according to vehicle speed.

The utility model relates to the technical field of expansion joint, and disclose a steam pressure balance expansion joint of steam pipeline of steam turbine of steamer, solved the expansion joint of current cannot adjust the pipeline axial travel according to the use demand, when the pipeline axial displacement is too big, the damage of pipeline is easy to cause, reduces the problem of pipeline service life, it includes the mounting ring, the one side fixed mounting of mounting ring has left bellows, the other side fixed mounting of mounting ring has right bellows, the one end fixed mounting of left bellows away from mounting ring has first butt joint, the one end fixed mounting of right bellows away from mounting ring has second butt joint, the surface symmetrical fixed mounting of first butt joint has two left support seat, the one side fixed mounting of left support seat all has the sleeve, and the one end of sleeve all inserts and is equipped with the plug rod, this expansion joint can adjust the pipeline axial travel according to the use demand, avoid the damage when the pipeline axial displacement is too big, improve the service life of pipeline.

This invention belongs to the field of fitness equipment technology and provides a large-stroke magnetic control mechanism with brake and fine adjustment, including a frame, an aluminum disc fixed shaft system, a main pull rod mechanism, a resistance-adjustable brake assembly, an aluminum disc fixed shaft system mounting bearing, a main pull rod mounting bearing, a tension spring, and a traction rope. The aluminum disc fixed shaft system is mounted on one side of the frame, and the main pull rod mechanism is mounted on the shaft end of the aluminum disc fixed shaft system. The main pull rod mechanism is equipped with a resistance-adjustable brake assembly, which in turn is equipped with a tension spring and a traction rope. This mechanism features a traction rope that can be rigidly connected to the human body, a large adjustable range of traction rope stroke, and when the fixed end of the traction rope is fixed to the traction pulley, the stroke can be reduced, resulting in a wide stroke design range. Resistance adjustment is more precise, and a predetermined resistance curve can be achieved through the design of the cam shape.

The utility model provides a kind of new energy heavy truck battery swap station, it is related to battery charging and swapping technical field, new energy heavy truck battery swap station includes battery swap station warehouse body, parking eave and battery carrying mechanism, battery swap station warehouse body includes battery swap room, parking eave is suspended in the outside upper portion of battery swap room, the lower portion of parking eave is configured as the parking battery swap area of heavy truck;The middle part of battery swap room has battery swap passage, one end of battery swap passage penetrates battery swap room and is communicated with parking battery swap area, multiple battery swap stations are symmetrically arranged in battery swap room relative to battery swap passage, two buffer stations are also symmetrically arranged in battery swap room relative to battery swap passage, and battery swap station and buffer station are used to place power battery;Battery carrying mechanism is used to carry power battery between battery swap room and heavy truck.The new energy heavy truck battery swap station of the utility model, compared with prior art, through multi-station symmetrical layout, make power battery replacement process stable and efficient.

The utility model discloses a kind of sludge discharge devices of high efficiency low failure, including sewage treatment tank, stainless steel buoy base and moving device;The moving device is by the first drum assembly and the second drum assembly respectively arranged in the two banks of sewage treatment tank main body, steel wire rope is wound on the first drum assembly and the second drum assembly;The number of the stainless steel buoy base is two, it is installed on moving device with the length of half sewage treatment tank interval. The utility model is by the length of half sewage treatment tank interval on moving device setting two stainless steel buoy base, mud suction pump is set on stainless steel buoy base to suck dilute mud, further clamp the sludge discharge speed, and compared with setting one mud suction pump, discharge hose is more short not easy to entangle, reduce the failure rate of device. The fixed guide rod of mud suction pump can adjust height simultaneously, the height adjustment stroke of mud suction pump can be adjusted, improve practicability.

The present application relates to flue gas purification device technical field, specifically disclose a kind of heat exchange tube ash removal device and flue gas purification system.The heat exchange tube ash removal device provided by the present application includes shell, heat exchange unit and ash removal structure.The heat exchange unit includes a plurality of heat exchange pipes installed in shell.Ash removal structure includes support and scraper, support is slidably connected on the inner wall of shell, scraper is all installed on support, when support slides along the inner wall of shell, scraper moves synchronously with support.Scraper is provided with through hole matched with heat exchange pipe, and all heat exchange pipes are installed in through hole, heat exchange pipe is close to or abutted on scraper.When support moves, support drives scraper to move along the axial direction of heat exchange pipe, scraper scrapes off the soot on the outer wall of heat exchange pipe at this time, to ensure that heat exchange pipe maintains preferable heat exchange efficiency.At least two scrapers are provided, not only make ash removal stroke shorten, but also make soot can be cleaned more cleanly.

The application discloses the technical field of gear processing machine tools, and discloses a bevel gear numerical control processing machine tool which comprises a bed body, a first sliding table which is slidably arranged on the bed body along the width direction of the bed body, a second sliding table which is slidably arranged on the bed body along the length direction of the bed body, a third sliding table which is vertically slidably arranged on the second sliding table, a rotary main shaft which is rotatably arranged on the first sliding table around the axis of the rotary main shaft, a workpiece main shaft which is rotatably arranged on the rotary main shaft around the axis of the workpiece main shaft, and a grinding wheel main shaft which is rotatably arranged on the third sliding table around the axis of the grinding wheel main shaft. The rotary main shaft drives the workpiece main shaft to rotate synchronously in the axial direction. The first sliding table is arranged at the first end of the bed body in the length direction, and the second sliding table is slid along the Z axis to drive the grinding wheel main shaft to move close to or away from the workpiece main shaft. The bevel gear numerical control processing machine tool has the advantages that the stroke of each linear shaft is short, the feeding and discharging are facilitated, the weight of each component is uniformly distributed, the deformation of the bed body of the machine tool is reduced, and the machining precision of the machine tool is improved.

The application provides a heating and cleaning method for low-grade scheelite rough concentrate, which comprises the following steps: concentrating the scheelite rough concentrate to 50-70wt%, pumping it into a stirring barrel and inputting steam for heating; heating the scheelite rough concentrate to 85-95 DEG C, adding sodium hydroxide, water glass and molecular sieve activated powder in sequence under stirring condition, continuing to heat and stir for 25-45 min, and removing the collector on the surface of calcium-containing gangue minerals; after the removing process is completed, adding normal-temperature water to dilute the scheelite rough concentrate to 20-30wt% and then feeding it into a flotation system, and obtaining scheelite concentrate through one-time roughing, two-time cleaning and three-time scavenging processes; wherein the roughing and cleaning processes adopt a flotation column, and the scavenging process adopts an aerated agitation type flotation machine. The heating and cleaning method for low-grade scheelite rough concentrate provided by the application can ensure the grade of the scheelite concentrate, can take into account the recovery rate of the scheelite ore, and can reduce the production cost.

The application discloses a filling metering device, which comprises a discharging mechanism, a metering assembly, a blanking channel and a discharging channel. The metering assembly is arranged in the discharging mechanism, the discharging mechanism can be lifted along the metering assembly, so that the material in the discharging mechanism enters the metering channel of the metering assembly, the blanking channel is located between the metering channel and the discharging channel, and the blanking channel can be horizontally moved to be connected with or disconnected from the metering channel and the discharging channel. The application further discloses a filling metering method, which comprises the following steps: S1, the discharging mechanism is lifted, so that the material in the discharging mechanism enters the metering channel of the metering assembly; S2, the discharging mechanism is lowered, and the blanking channel is horizontally moved to be connected with the metering channel and the discharging channel; and S3, the material is discharged and filled from the metering channel in sequence through the blanking channel and the discharging channel. The application has the advantages of simple structure, reduced material crushing and small occupied stroke space.

The utility model discloses a compact car glass lifting switch, including shell, base, set up the circuit board and set up the conductive rubber plate on the circuit board on the base, knob, be installed with the knob on the shell rotation, and the knob is fixedly connected with the lever, the below of lever is provided with the swing arm, and the below of swing arm is provided with the top rod, and the conductive rubber plate is provided with the conductive rubber column cooperation with top rod, the swing arm rotation is installed on the shell, and the swing arm is provided with the bayonet, and the lever is provided with the clamping leg cooperation with the bayonet, the utility model discloses structure occupies little space, and the operation hand feeling is good, can be widely used in the car glass lifting switch field.