67results about How to "Quick and efficient replacement" patented technology

The present disclosure discloses an electric vehicle battery replacement system comprising a vehicle-mounted battery driving device and a battery conveying device outside of the vehicle. The vehicle-mounted battery driving device comprises a drive roller configured to carry a battery and connected with a drive motor. The battery conveying device outside of the vehicle comprises three conveying belts each connected to one of three conveying motors, respectively. The drive roller, a first conveying belt, and a second conveying belt are arranged successively on a same horizontal plane along a direction of conveying. The third conveying belt is located above the second conveying belt and connected with the first conveying belt via a sliding plate. One end of the sliding plate connects flexibly to a front end of the third conveying belt, and the other end of the sliding plate is placed on the first conveying belt. The battery replacement system provided in the present disclosure solves such problems as long charging time and low efficiency in public charging stations by using the current charging method of existing electric vehicles, and meets the growing demand of the increasing number of electric vehicles.

The invention discloses a novel machining positioning device. The novel machining positioning device comprises a base; a first fixing plate is arranged on the base which is provided with a slide groove; a slider is arranged in the slide groove; a connecting rod is connected to the side wall of the slider; the end, away from the slider, of the connecting rod penetrates the side wall of the slide groove and extends to the exterior of the base; a movable plate is connected to the end, located outside the slide groove, of the connecting rod; a rack is arranged at the upper end of the movable plate; a first rotating rod is rotationally connected to the side wall of the base, and is located above the movable plate; the first rotating rod is sleeved with a gear which is engaged with the rack; a second fixing plate is arranged at the upper end of the slider, and is internally provided with a cavity; an interior and exterior communicated threaded rod is arranged on the inner wall of one end, away from the first fixing plate, of the cavity; and the end, located in the cavity, of the threaded rod is rotationally connected with a connecting plate. The novel machining positioning device can effectively clamp a workpiece, positioning of the workpiece can be more accurate, the machining quality of the workpiece is improved, and fast replacement of the workpiece is also facilitated.

A dust cover for a firearm includes a panel, a hinge pin and a spring disposed around the hinge pin. The spring engages the hinge pin so that the spring is non-slidable relative to the hinge pin. The spring includes a first prong that engages the panel to bias the panel away from the ejection port. The spring includes a second prong, distal from the first prong, that is manually engageable by a user to slide the hinge pin within a panel passageway while the spring remains non-slidable relative to the hinge pin so as to remove a part of the hinge pin from a hole defined by the firearm and thereby free the dust cover for removal from the firearm. A related method of use is provided.

The invention discloses a drilling machine with functions of automatically replacing and cleaning drilling rods. The drilling machine comprises a drilling machine base, a portal frame, a pair of vertical slide rails with same structure, a pair of lifting slide blocks with same structure, a horizontal plate, a drilling motor, a pair of multilevel hydraulic cylinders with same structure and a threaded block. The drilling machine has the beneficial effects of convenience in use, simple operation and high speed of replacement; drilling rods can be quickly and effectively replaced through a drilling rod automatic replacing mechanism on the drilling machine; during the process of replacing the drilling rods, manual carrying is not required; efficiency is greatly increased in the manner of automatic control; a cleaning mechanism arranged on the drilling machine is capable of storing and cleaning the recycled drilling rods, so that the drilling rods can be conveniently used next time and can be prevented from rusting, and the service life of the drilling rods can be prolonged.

The invention relates to the field of charging and battery placing, in particular to a battery pack and a battery filling system. The invention aims to solve the problems of low replacement efficiencyand low reliability in an existing battery unit replacement scheme. For this purpose, the battery pack of the present invention comprises a housing, and a transmission mechanism and a plurality of battery units disposed within the housing, each battery unit comprising at least one cylindrical battery; a circulation channel is arranged in the housing, and a battery inlet and a battery outlet are also arranged on the housing, and the battery inlet and the battery outlet are arranged on both sides of the housing along the axial direction of the battery; and the transmission mechanism is arrangedto drive the plurality of battery unis to move to the battery inlet in sequence along the circulation channel. The battery inlet and the battery outlet are arranged on both sides of the shell along the axial direction of the battery, so that when the battery is replaced, the transmission mechanism does not need to be replaced together, only a fully charged battery is used to eject a power-lack battery, the replacement efficiency of the battery is improved, and the replacement of the battery is convenient and quick.

The invention discloses a pre-buried sleeve used for channel installation and a channel positioning method, and belongs to the technical field of building construction. The pre-buried sleeve used forchannel installation comprises a sleeve body and a positioning part, a pan head is arranged at one end of the sleeve body, and a threaded hole is formed in the other end of the sleeve body; a screw rod corresponding to the threaded hole is arranged at one end of the positioning part, and a positioning pillar is arranged at the other end of the positioning part. In the channel positioning method, apre-buried sleeve used for channel installation, a concrete pouring formwork with one or more positioning holes and a channel with one or more installing holes are involved. The positioning part is connected with the sleeve body, the pre-buried sleeve used for channel installation is fixed to the concrete pouring formwork through the positioning holes, concrete is poured onto the concrete pouringformwork, and the positioning part and the sleeve body are separated after the concrete is solidified to connect the channel with the pre-buried sleeve used for channel installation through the installing holes. With the channel positioning method, the channel can be conveniently and rapidly installed and replaced.

The invention discloses a tunnel lining thickness-lack reinforcing structure and a construction method. The reinforcing structure comprises a newly constructed secondary lining and a newly constructedpreliminary support arranged on a tunnel lining thickness-lack area, multiple mortar anchor rods, and multiple grouting steel flower pipes arranged in the tunnel lining thickness-lack area, wherein the newly constructed secondary lining is connected with an existed secondary lining; the newly constructed preliminary support is connected with an existed preliminary support; and the multiple mortaranchor rods are arranged on the connecting part of the newly constructed preliminary support and the existed preliminary support. The construction method comprises the steps of arranging a temporarysteel frame support; adopting the grouting steel flower pipes for reinforcing a surrounding rock; disassembling a disassembling and replacing section of the tunnel lining thickness-lack area, erectinga permanent steel frame support on the disassembling and replacing section, spraying concrete, and forming the newly constructed preliminary support; and driving the mortar anchor rods, constructingdrill nails and a water stop adhesive on the connecting surface of the newly constructed secondary lining and the existed secondary lining, paving a lining waterproof layer between the newly constructed secondary lining and the newly constructed preliminary support, then modelling, and pouring the newly constructed secondary lining.

The invention discloses a vibration screening device for carbon production. The vibration screening device comprises a screening box, a purification structure, a mounting frame and a filter screen; the screening box is of a rectangular box-shaped structure, four supporting legs are fixed to the four corners of the bottom of the screening box, a screening cavity is formed in the screening box, a funnel-shaped feeding port is formed in one end of the top of the screening box, and a purification structure for assisting in purifying air in the screening box is arranged at the top of the screeningbox; a mounting frame is obliquely inserted into the screening cavity, fastening blocks are arranged in clamping cavities, a fastening cavity is formed between the two clamping cavities on the same side, and a fastening structure is arranged in each fastening cavity; and a slag discharging opening is formed in the end, corresponding to the oblique bottommost portion of the mounting frame, of the screening box, and a discharging opening is formed in the bottom of the screening box. The vibration screening device for carbon production is reasonable in design, the filter screen in the screening box can be rapidly and effectively replaced according to needs, the problem that the filter screen is not convenient to replace is avoided, and the vibration screening device is suitable for application and popularization.

The invention relates to a die fixing seat of a punching machine. A base is provided with a sliding guide rail which is provided with a punching mechanism; two positioning blocks are symmetrically arranged on the base and located on one side of the punching mechanism; the base is provided with a sliding cylinder which is located on one side of the positioning blocks and used for enabling the positioning blocks to slide on the base; the side face of each positioning block is provided with a slidable pipe half die body which is provided with a U-shaped groove, and the U-shaped grooves are formed in the two pipe half die bodies in a mutually corresponding mode; one side of the positioning blocks is provided with two cylinder fixing blocks which are connected in an abutted mode; a compaction cylinder is arranged in each cylinder fixing block, a telescopic rod of each compaction cylinder is fixedly provided with a connecting block, and each connecting block is provided with multiple locking screws; the pipe half die bodies are provided with screw holes corresponding to the locking screws. According to the die fixing seat of the punching machine, operation is convenient, by means of the compaction cylinders and the locking screws, the pipe half die bodies can be replaced rapidly and efficiently, time and labor are saved, and good practicability is achieved.

An oval-shaped flange assembly for use on heater treaters and other heated and/or pressurized separation vessels. A first substantially oval-shaped, raised face blind flange member operationally attached to a fire tube mates with an opposing oval-shaped, raised face slip-on flange member attached to a heater treater or other pressurized vessel. An alignment guide pin facilitates fast and efficient connection and disconnection of the flange members.

A hydraulic mantle system for a gyratory rock crusher enables the safe, quick and efficient replacement of a worn or deformed mantle. The system includes a main shaft, an annular nut, an annular hydraulic piston and an annular mantle. The main shaft has a flange and external threads adjacent the flange. The annular nut body has side surfaces and internal threads that are threaded onto the external threads of the main shaft. The annular hydraulic piston has side surfaces that slidingly engage the side surfaces of the annular nut body. The annular mantle has an upper neck portion and a lower edge portion. The main shaft extends extending through the upper neck portion. The upper neck portion of the annular mantle is compressed between the flange of the main shaft and the annular hydraulic piston.

A control system and method for dry centrifugal granulation of liquid slag are provided. The control system includes a granulator cold-air control unit and a feeding unit. The granulator cold-air control unit includes a granulator, a rotating shaft, a motor, and a cold-air supply unit. The granulator is fixed to the motor; the cold-air supply unit includes a shaft cooling air channel and an annular cooling air channel; the shaft cooling air channel consists of an inner duct sleeve and a shaft sleeve; the annular cooling air channel consists of the inner duct sleeve and an outer duct sleeve arranged at periphery of the inner duct sleeve, which have different external diameters; the feeding unit includes a slag dropping pipe arranged above the granulator; a sliding gate is arranged at a lower section of the slag dropping pipe, and an accident diversion spout is equipped.

The invention discloses a carriage plate cylinder swing arm pressing quick positioning mechanism. A welding clamping cylinder is connected with a cylinder swing arm; an overturning cylinder at the bottom of the front end of the cylinder swing arm is connected to a pressing quick positioning mechanism; a rotating pin shaft is arranged on an overturning cylinder connecting base; a positioning blockis arranged at the back part of the overturning cylinder connecting base, and is connected to a positioning adjusting block; the positioning adjusting block is fixed on a tool chassis; the pressing quick positioning mechanism comprises a linear slide rail, a ball slide block and a guide rail protective cover; the linear slide rail is fixed on the tool chassis; the ball slide block is movably connected to the linear slide rail; multiple pressing rod and pressing block mechanisms and multiple positioning baffle plates are arranged at the back end of the cylinder swing arm for fixing plate coresof carriage plate parts and reinforcing ribs on the tool chassis; and presses are arranged at the top of the cylinder swing arm, and are connected with the pressing rod and pressing block mechanisms.The carriage plate cylinder swing arm pressing quick positioning mechanism greatly shortens the operation time, greatly improves the repeated positioning precision, obviously saves the labor time, andis effective and convenient to operate.

The invention discloses an auxiliary device for upper carrier roller replacement of a belt conveyor. The auxiliary device comprises a belt supporting assembly used for supporting and lifting a conveying belt of the belt conveyor, a lifting assembly used for driving the belt supporting assembly to ascend and descend and a supporting assembly used for supporting the lifting assembly, wherein the supporting assembly can be arranged on a middle frame of the belt conveyor in a hung mode; and the lifting assembly is arranged on the supporting assembly, the belt supporting assembly is connected withthe lifting assembly, and the belt supporting assembly is driven by the lifting assembly to lift the conveying belt upwards, so that an operation space for replacing an upper carrier roller is formedbetween the upper carrier roller and the conveying belt. The auxiliary device is ingenious in structural design, the belt supporting assembly is driven by the lifting assembly to ascend and descend tolift the conveying belt upwards, so that the operation space for replacing the upper carrier roller is formed between the upper carrier roller and the conveying belt, the upper carrier roller is effectively and rapidly replaced, and operation can be achieved by one person, so that labor force is greatly saved, labor intensity is reduced, and the efficiency of replacing the upper carrier roller isimproved.