31results about How to "Quickly remove and replace" patented technology

The invention provides a battery replacement type hybrid power vehicle. The hybrid power vehicle comprises a range extending type driving system composed of a range extender and a driving motor, and further comprises a quick-change battery which can be quickly disassembled and replaced in a battery replacing station. The quick-change battery is connected with the driving motor to form a battery replacement type driving system. The battery replacement type driving system and the range extending type driving system can be quickly switched and independently serve as a main power system. In the scheme of the invention, the battery replacement type driving system and the range extending type driving system can be quickly switched and independently used as the main power system. Therefore, the range extending type driving system taking the range extender as the power source and/or the battery replacement type driving system taking the quick-change battery as the power source can be freely and flexibly switched to drive the vehicle to run according to the use scene and economy.

The invention discloses a device for measuring the hardness of objects, which comprises a base, a loading plate, a pressing plate, a second fixing plate and a control box. A support plate is installed on one side above the base, and the other side above the base is A control box is installed on the side, and a display screen is installed at one end of the control box. First fixing plates are installed on the bases on both sides of the support plate, and a second fixing plate is installed above the first fixing plate. A motor box is installed on the side close to the control box above the second fixing plate, and a pressure sensor is installed below the loading plate. The invention is equipped with a fixing mechanism composed of a screw tube, a screw rod and a splint, which can fix the objects to be tested in different sizes and shapes on the loading plate, avoiding that the objects to be tested cannot be fixed, so that the objects to be tested can be easily entered from the The slide on the stage affects the normal progress of the detection process and effectively improves the stability of the device.

The invention relates to a high-strength steel column-ordinary steel beam-low yield point steel T-shaped steel recoverable functional joint. The steel comprises a high-strength steel column, a ordinary steel beam, a low-yield-point steel, a first T-shaped steel and a second T-shaped steel, and a shear part. first and The flanges of both the first T-shaped steel and the second T-shaped steel are provided with first elongated through holes and both sides of the T-shaped steels are provided with non-adhesive layers. The flange of the high-strength steel column is provided with a first through hole. Both the first T-shaped steel and the second T-shaped steel are connected with the high-strength steel column by a first bolt passing through the first elongated through hole and a first through hole. Both the first T-shaped steel and the second T-shaped steel are connected with the ordinary steel beam by a second bolt. A web of the ordinary steel beam is provided with a second elongated through hole and a seventh through hole, and an unbonded layer is provided on both sides of the web. The shear part is provided with a second through hole. The shear part is connected with the ordinary steel beam by a third bolt passing through the second elongated through hole, the seventh through hole and the second through hole. The steel is simple in design and convenient in processing. The first T-shaped steel and second T-shaped steel are easy to disassemble and replace after shaking, the seismic performance and functional recoverability of the joint can be improved.

A reactor for a catalytic process comprising one or more catalyst beds has catalyst bed supports constructed as a grid comprising a plurality of cassettes (01), which are covered with easily removable screens (02). The down-time and service costs for the reactor are thereby lowered.

The invention discloses a carbon fiber flapping wing aircraft easy to disassemble and assemble. The carbon fiber flapping wing aircraft comprises a rack, a driving unit, a wing unit and a direction control unit; the rack comprises an upper framework and a lower framework which are arranged in parallel, the front ends of the upper framework and the lower framework are connected with the upper end and the lower end of the head support, the upper framework is longer than the lower framework, and the tail end of the upper framework is connected with a tail rod; the wing unit comprises a front flapping wing module and a rear flapping wing module, and the direction control unit comprises a front wing direction control module and a rear wing direction control module; and the front flapping wing module, the front wing direction control module, the driving unit, the rear flapping wing module and the rear wing direction control module are sequentially arranged between the upper framework and thelower framework from front to back. During assembly, the positions of all parts can be adjusted more conveniently, and the running smoothness of the whole aircraft is guaranteed; and in addition, parts can be quickly replaced under the condition of falling and breaking.

The invention discloses a printing paper pretreatment device with drying and dedusting functions, which comprises a workbench, a motor, a fixing nail, a feeding wheel and a drying plate; dust collection boxes are installed on the workbench, fixing reeds are installed on the dust collection boxes, and the fixing reeds are arranged on connecting rods; the motor is placed on the workbench, and the motor and a first rotating shaft are connected with each other; and a first belt wheel and a winding wheel are installed on the first rotating shaft, limiting blocks are installed on the first rotating shaft, and the first rotating shaft and the winding wheel are attached to each other. According to the printing paper pretreatment device with the drying and dedusting functions, paper is dried through heat conduction plates and heating devices, so that damage to a printing machine due to the fact that the paper is affected with damp can be effectively avoided; more uniform drying of the paper is achieved through vertical movement of a drying plate, and damage to the paper is avoided; and the paper is leveled through leveling wheels, and the printing integrity can be effectively guaranteed.

The invention discloses a warp knitting fabric collecting device convenient to disassemble and assemble. The warp knitting fabric collecting device convenient to disassemble and assemble comprises a center rotating shaft which is sleeved with a warp knitting fabric collecting barrel; a warp knitting fabric body is wound on the warp knitting fabric collecting barrel; the two ends of the warp knitting fabric collecting barrel are each fixedly connected with a side limiting disk; the side, located on each side limiting disk, of the center rotating shaft is sleeved with an installing sleeve; a positioning pin is inserted between a corresponding first positioning hole and a corresponding second positioning hole; three L-shaped limiting rods are welded to the outer side of each installing sleeve; a hexagonal positioning block is welded to the end, away from the corresponding installing sleeve, of each L-shaped limiting rod; three connection blocks are connected to the outer side of each sidelimiting disk; and the outer side of each connection block is provided with a hexagonal positioning groove. The warp knitting fabric collecting device has the beneficial effects of being stable to install, convenient and fast to disassemble and assemble, not prone to loosening during rotating and capable of being fast taken down and replaced after collecting is completed, and practicability is high, and popularization is facilitated.

The invention discloses a foot tub with a sterilization function. The foot tub comprises a tub body and an inner top seat arranged at the top end inside the tub body, a tub opening is formed in the top of the tub body, a lifting handle is rotatably connected to the inner side of the tub opening, a reel assembly is arranged on the outer side of the tub body, a UV sterilization lamp is arranged in the inner top seat, and a strip-shaped hole corresponding to the UV sterilization lamp is formed in the bottom surface of the inner seat. The arranged UV sterilization lamp makes the foot tub have a certain sterilization function, so the inner side of the tub body and water in the tub are sterilized, and the problem that an original foot tub does not have a sterilization function is solved; and through the arrangement of a socket, an inserting groove and a connecting mechanism easy to disassemble and assemble, the reel assembly can be rapidly disassembled and replaced after being damaged, and auser can conveniently disassemble and clean the reel assembly daily, so the problems that a reel in an original device cannot be replaced and cannot be disassembled and cleaned are solved.

The invention provides an underground valve maintenance tool and method. The tool comprises a lifting jaw, a limiting sleeve, a lifting ring and a fixed plate. The lifting jaw is divided into three sections: a fixed connecting part, a sleeve part and a jaw connecting part; an internal thread hole is formed in the top surface center of the fixed connecting part; the radial and axial sizes of an inner cavity of the sleeve part are matched with a transmission rod of an underground valve; multiple limiting clamping bars are distributed in the peripheral direction of the limiting sleeve; the upperparts of the limiting clamping bars are connected as a whole, and the sizes and the positions are matched with plum blossom holes of a back pressing sleeve; the lifting ring is divided into a ring part and a rod part; an external thread matched with the internal thread hole of the fixed connecting part of the lifting jaw is arranged at the lower end of the rod part; the external thread is matchedwith an end screw hole of the transmission rod of the underground valve and an end screw hole of an operation rod; a strip hole is formed in the center direction of the fixed plate; and the closed endsize of the strip hole is matched with a front pressing sleeve of the underground valve. The maintenance tool is matched for use, facilitates maintainers to quickly maintain, and prevents long-time exposure in radioactive substance environments to improve the safety.

The invention belongs to the field of vehicle collision protection, particularly relates to a collision protection device based on a V2X communication vehicle, and aims to solve the problems that an existing vehicle is likely to collide with pedestrians and hurt the legs of the pedestrians when passing through zebra crossings, and a pedestrian protection plate in front of the vehicle is hard and limited in protection effect. The anti-collision device comprises two longitudinal beams and an anti-collision beam, energy absorption boxes are fixedly connected between the two ends of the anti-collision beam and the two longitudinal beams, two symmetrical mounting bases are fixedly connected to the bottom of the anti-collision beam, inserting rods are rotationally connected into the mounting bases, sleeves are movably connected to the outer walls of the circumferences of the inserting rods, and the sleeves are fixedly connected to the two ends of the anti-collision beam. By means of the device, the human body can be protected through the air curtain when the vehicle collides with the human body, meanwhile, when the collision force is large, the protection beam and the telescopic rod can move backwards, harm caused by the vehicle to the human body is reduced, and a fixing mechanism is installed between the rubber pad and the protection beam so that the rubber pad can be conveniently and rapidly replaced after being abraded.

The invention discloses a roll paper mounting mechanism and a battery piece conveying mechanism, and relates to the field of silk-screen printing. The roll paper installation mechanism comprises a fixed assembly and a movable assembly, and the fixed assembly and the movable assembly are connected with the two ends of a clamping hole penetrating through the center of a paper winding roller respectively. The movable assembly comprises a shaft sleeve, a fixed seat connected with one end of the shaft sleeve, an insertion rod and at least one elastic piece arranged in the fixed seat, at least one abutting block is arranged on the outer wall of the insertion rod, and the fixed seat is provided with an opening for the insertion rod and the abutting block to penetrate through; the inserting rod is configured to penetrate through the fixing base and the shaft sleeve to be connected to a clamping hole in one end of the paper winding roller when moving in the axial direction, and the inserting rod can rotate to enable the abutting block to extrude the elastic piece in the direction away from the paper winding roller so as to lock the paper winding roller. According to the roll paper mounting mechanism and the battery piece conveying mechanism provided by the invention, the roll paper can be conveniently and quickly disassembled and replaced by an operator.

The invention relates to a displacement amplification type E-shaped steel damper, a joint and a construction method of the joint, and belongs to the technical field of shock isolation and shock absorption control. The displacement amplification type E-shaped steel damper comprises a first end plate, a second end plate, a first connecting plate, a second connecting plate, a plurality of E-shaped steel with three limbs and a displacement amplification plate with two limbs, the rigidity of the displacement amplification plate is far larger than that of the E-shaped steel, and the E-shaped steel and the displacement amplification plate are arranged in parallel at intervals. Three limbs of the E-shaped steel are opposite to two limbs of the displacement amplification plate, and the upper limbs and the lower limbs of the E-shaped steel are hinged to the upper limbs and the lower limbs of the displacement amplification plate through bolt pins respectively. According to the displacement amplification type E-shaped steel damper, the displacement of the upper limb and the lower limb of the E-shaped steel is amplified according to the lever principle, the plastic deformation of the E-shaped steel is improved, the rapid installation and replaceable performance can be achieved, and rescue work after an earthquake is conveniently carried out.

The embodiment of the invention discloses an oil-electric hybrid multi-rotor wing unmanned aerial vehicle capable of mounting multiple loads, and relates to the field of unmanned aerial vehicles. Theoil-electric hybrid multi-rotor wing unmanned aerial vehicle comprises a vehicle body, six vehicle arm assemblies and a mounting plate, undercarriages are arranged on the two sides of the lower portion of the vehicle body respectively, an oil-electric hybrid engine is arranged at the rear end of the lower portion of the vehicle body, and a mounting plate installing hole is formed in the front endof the lower portion of the vehicle body; a mounting equipment installing hole is formed in the middle of the mounting plate, multiple fixing holes are formed in the edge of the mounting plate, the mounting plate and the edge of the mounting plate installing hole are connected through screws, and a shock-absorption ball abuts against the edge of the mounting plate installing hole. By using the mounting plate, different sets of equipment can be mounted, and rapid detaching and installing are realized; since the mounting plate is made from carbon fiber materials, the weight of the unmanned aerial vehicle is reduced greatly; by using the detachable vehicle arms, space occupied during transportation and storage of the unmanned aerial vehicle is effectively shrunk, and therefore transportationand storage are convenient; the undercarriages and the vehicle body are connected through connecting parts, so that the undercarriages are conveniently and rapidly detached and replaced.

The invention relates to a recoverable functional joint with a high-strength steel column, a common steel beam and low-yield-point steel angles. The recoverable functional joint comprises the high-strength steel column, the common steel beam, the first low-yield-point steel angle, the second low-yield-point steel angle and shear resisting pieces. First strip through holes are formed in the wing edges of the first steel angle and the second steel angle, non-bonding layers are arranged on the two sides of the first steel angle and the second steel angle, first through holes are formed in a flange of the high-strength steel column, and the first steel angle and the second steel angle are connected with the high-strength steel column through first bolts penetrating through the first strip through holes and the first through holes; the first steel angle and the second steel angle are connected with the common steel beam through second bolts; and second strip through holes and seventh through holes are formed in a common steel beam web plate, non-bonding layers are arranged on the two sides of the common steel beam web plate, second through holes are formed in the shear resisting pieces,and the shear resisting pieces are connected with the common steel beam through third bolts penetrating through the second strip through holes, the seventh through holes and the second through holes.The recoverable functional joint is easy and convenient to design and construct, the first steel angle and the second steel angle are convenient to disassemble and replace after an earthquake, and the earthquake resistant property and function recoverability of the joint can be improved.

The invention discloses a self-locking type liquid driving type ball valve. The self-locking type liquid driving type ball valve comprises a main body pipe; a first flange plate is fixedly arranged onthe outer surface of one side of the main body pipe; a water delivery port is fixedly arranged in the center of the outer surface of one side of the first flange plate; screw holes are formed in theperiphery of the water delivery port; the screw holes are fixedly arranged on the outer surface of one side of the first flange plate; a connecting pipe is fixedly arranged in the center of the outersurface of the upper end of the main body pipe; a fixed table is fixedly arranged on the outer surface of the upper end of the connecting pipe; and a connecting shaft is fixedly arranged at the centerof the outer surface of the upper end of the fixed table. According to the self-locking type liquid driving type ball valve, a movable bolt, a connecting plate and a second flange plate are arranged,the ball valve can be conveniently replaced after an adjusting handle is damaged, the water leakage of a connector can be prevented in the use process of a valve, and the large pressure can be bornewhen the valve is used, and the better use prospect is brought.

The invention discloses separable solid waste treatment equipment which comprises a bottom plate, supporting legs are arranged at the upper end of the bottom plate, a treatment box is arranged at the upper ends of the supporting legs, a crushing cavity is formed in the treatment box, a conveying structure is arranged at the lower end of the crushing cavity, a partition plate is arranged on the outer surface wall of the conveying structure, and a mounting block is arranged at one end of the partition plate. A mounting groove is formed outside the mounting block and located in the conveying structure, a cleaning pipe is arranged in the crushing cavity, a water inlet is formed in one end of the cleaning pipe, and a water spraying opening is formed in the outer surface wall of the cleaning pipe. According to the separable solid waste treatment equipment, by arranging the partition plate, the mounting block and the mounting groove, crushed waste can be conveyed to a discharging inclined plate in batches, and the problem that too much crushed waste is stacked together, so that the crushed waste is discharged into a collecting frame, and the separation quality is poor is solved; and therefore, the procedure of secondary separation of the crushed waste is reduced.

The invention discloses a movable gate. The movable gate comprises a gate body, a gate bottom plate, rolling wheels and a blocking piece, the gate body and the rolling wheels are installed above and below the gate bottom plate respectively, the blocking piece is connected with one side of the gate bottom plate, the blocking piece can rotate relative to the gate bottom plate, and the blocking piece is used for fixing the rolling wheels; and the blocking piece and the gate bottom plate can be treaded by pedestrians. The movable gate can also communicate with a cloud server through a built-in wireless communication module. The gate body collects identity information of pedestrians passing through the gate bottom plate, and when the identity information is successfully authenticated, the gate body can allow the pedestrians to pass through. The gate has mobility and convenience, and the utilization rate of the movable gate in different application scenes is improved.

The invention discloses a PLC remote controller convenient to install, and relates to the field of PLCs. The PLC remote controller convenient to install comprises a bottom disc, a top cover and a sideplate, wherein the top cover is fixedly arranged at the top of the bottom disc, the side plate is fixedly arranged between the bottom disc and the top cover, an installation seat is arranged at the bottom of an inner wall of the bottom disc, a first sliding groove plate and a second sliding groove plate are fixedly connected with the top of the installation seat, component clamping racks are arranged at the tops of the first sliding groove plate and the second sliding groove plate in a sliding way, a lower cover-opening semi-circular rack is fixedly connected with the tops of outer walls of two sides of the bottom disc, an upper cover-opening semi-circular rack is fixedly connected with the bottoms of the outer walls of the two sides of the bottom disc, a rod sleeve is fixedly arranged inthe lower cover-opening semi-circular rack, a rotation clamping rod is rotatably arranged in the rod sleeve, a clamping block is arranged at one end of the rotation clamping rod, and a knob is movably connected with the clamping block. By the device, rapid installation and disassembly of a shell is achieved, components can be rapidly installed, the components can be rapidly disassembled and replaced during breakdown, and the situation that a cover plate is separated from the bottom disc due to misoperation is prevented.

A fabricated decorative tree with insertable branches system is provided that includes a tree trunk configured with at least one limb stub that is configured to receive a branch. The trunk, stub, and branch all have internal supports and an external decorative skin. The stub internal support has a proximal end fixedly attached to the trunk internal support and has a distal end having a receptor with a channel cut at least through the internal support distal edge. Only the distal end of the branch internal support is covered with the external skin. The uncovered proximal end of the branch internal support is a male sleeve insert having an outwardly projecting alignment protuberance sized to fit within the stub's channel. Means to further secure the stub-branch joint and methods by which one set of interchangeable branches are replaced by a second set of branches are also provided.

The invention discloses a descaling wheel for a cement bin. The descaling wheel is characterized by comprising a wheel body (1) and three descaling assemblies (2) which are uniformly distributed in the circumferential direction; three bumps (11) which are uniformly distributed in the circumferential direction are arranged on the wheel body (1); an inner hole (12) and a key groove (13) are formed in the central position of the wheel body (1); each descaling assembly (2) comprises a spring steel sheet (21), a pressing block (22) and a screw (23); one end of each spring steel sheet (21) is inserted into a groove of the wheel body (1); each spring steel sheet (21) is compressed on the wheel body (1) by adopting the corresponding pressing block (22) and the corresponding screw (23). The descaling wheel disclosed by the invention has the advantages of high descaling efficiency, convenience for dismounting and mounting, safety and reliability, and long service life.

The invention relates to a safe and reliable composite coupler and food processing machine. The safe and reliable composite coupler comprises an upper coupler and a lower coupler which are connected and matched with each other. The upper coupler comprises a fixed shell and an upper electrode. The lower coupler comprises a lower electrode. The upper electrode and the lower electrode are electrically connected when the upper and lower couplers are connected. The lower coupler further includes a housing having an opening on one side. The lower electrode is mounted in the housing. The housing is provided with a first through hole for the upper electrode to pass through. The lower coupler further comprises a microswitch embedded in the housing. The upper coupler triggers the microswitch when the upper and lower couplers are connected. By embedding the microswitch in the coupler, the food processing machine can be installed and positioned just by the aligning the upper and lower couplers, soas to be simple in structure and easy to operate. The microswitch is embedded in the coupler, and only needs to be connected to the circuit of the coupler. The food processing machine has simple internal circuits and is convenient to produce.