45results about How to "Short disassembly time" patented technology

The invention discloses a concrete transfer pump comprising a main oil cylinder, a concrete cylinder and a water tank arranged between the main oil cylinder and the concrete cylinder; the main oil cylinder is internally provided with a main piston connected with a concrete piston arranged in the concrete cylinder through a main piston rod, and the main piston drives the concrete piston to do reciprocating motion under the action of hydraulic oil in the main oil cylinder; the end part of the main oil cylinder is also provided with a multi-stage oil cylinder which limits the motion stroke of the main piston by a way of supporting against the main piston; and the motion stroke of the main piston is shifted between a working stroke and a dismantling stroke through the protrusion or retraction of the multi-stage oil cylinder. In the embodiment, when the concrete piston of the concrete transfer pump is maintained, the concrete piston can be directly withdrawn to the water tank through retracting the multi-stage oil cylinder so as to be dismantled with simple process and short time; meanwhile, the concrete transfer pump has compact whole structure and small size.

The invention provides a movable and quick-inflation rescue air cushion, relates to a rescue air cushion, and solves the problem that the rescuing time is prolonged because a conventional rescue air cushion is long in inflation time, large in volume and hard to transport when being used. A plurality of tank bodies comprise at least one third tank body, a plurality of first tank bodies and a plurality of second tank bodies, wherein when the number of the third tank body is one or more, the plurality of first tank bodies and the plurality of second tank bodies are alternately attached to the periphery of the third tank body or the plurality of third tank bodies and connected to form a tank assembly, and a plurality of inflation hoses are fixedly connected to the upper end face of the tank assembly; the upper cavity in the tank assembly is a pipeline chamber, and the lower cavity of the tank assembly is a gas collection chamber; a plurality of gas inlet pipelines and a plurality of gas exhaust pipelines are arranged in the pipeline chamber; a plurality of rollers are arranged at the bottom of the tank assembly; a buffer face mesh is arranged on the plurality of inflation hoses; an inflation hose coating is coated on each inflation hose; and a plurality of reinforcing wires pass through the inflation hose coatings to form a reinforcing wire mesh. The movable and quick-inflation rescue air cushion is used in rescue work.

The present invention belongs to the device which is used for repairing the electric locomotive in the railway factory, and in particular relates to a main transformer installation platform of the electric locomotive. In the technical proposal, a plane vehicle body of the running part is provided with a lifting platform, a side moving platform and a turntable; the lifting platform is connected with the plane vehicle body of the running part through a group of lifting oil cylinders; the side moving platform is arranged on the lifting platform; a side moving oil cylinder is arranged between the upper surface of the lifting platform and the lower surface of the side moving platform; the turntable is arranged on the side moving platform and rotates around the center of gyration. Because of the lifting, turning, translating and other functions, the application efficiency of the installation platform is improved by more than 6 times. Because of the reliable positioning accuracy, the main transformer can be accurately and safely installed, and is guaranteed to be complete; and the installation platform has the characteristics of time-saving, labor-saving and cost-saving capacities, excellent security, high degree of mechanization, convenient maintenance, and so on.

The invention relates to the technical field related to tunnel driving equipment, in particular to a grouting structure in the tunnel driving process and a grouting method matched with the grouting structure. The grouting structure in the tunnel driving process and the grouting method aim at solving the problem that in the prior art, filling a gap in the back portion of a segment cannot be achieved through synchronous grouting. The grouting structure in the tunnel driving process sequentially comprises a rock stratum and a segment stratum inwards from the inner wall of a tunnel, and accordingly a side-top arch, in unit of blocks, is formed. A support frame is arranged between the segment stratum and the rock stratum, and accordingly a hollow interlayer is formed. A base lining platform is arranged on the bottom of the side-top arch, and reserved grouting holes communicating with the hollow interlayer are formed in the positions, corresponding to the side-top arch blocks, of the top of the segment stratum. The reserved grouting holes are moveably connected with grouting pipes, and the other ends of the grouting pipes are connected with a grouting machine. The grouting structure in the tunnel driving process and the grouting method have the beneficial effects that the grouting cost is not increased, the grouting process is smooth, the utilization rate of the grout is high, the structure of equipment is simple, repairing and later maintenance are convenient, the assembling and disassembling time is short, grouting pressure can be monitored at any time, the grouting quality can be guaranteed, and a framework layer is formed on the contact surface between the grout and water glass so that flowing of the grout to a cutterhead can be reduced.

The invention relates to an unpowered belt sweeper which comprises a brush roller, a driven chain wheel, a chain, a swing arm, a driving chain wheel, a smooth roller, a pneumatic control system, a clamping plate, a support and a belt conveyor support. The support and the clamping plate are clamped to the belt conveyor support through fastening bolts, one end of the pneumatic control system is connected with the support, and the other end of the pneumatic control system is connected with the swing arm; a first mounted bearing is mounted on the support, and a second mounted bearing and third mounted bearings are mounted on the swing arm; the two ends of the smooth roller penetrate through the first mounted bearing and the second mounted bearing, and the smooth roller is pressed on a belt; the two ends of the brush roller penetrate through the third mounted bearings; and the driving chain wheel is locked at one end of the smooth roller, the driven chain wheel is locked at one end of the brush roller, and the chain is connected with the driving chain wheel and the driven chain wheel. According to the unpowered belt sweeper, on the premise that the external power consumption is not increased, the surface of the conveyor belt can be cleaned, and the service life of the brush roller can be prolonged.

The invention provides a tracked vehicle inner side loading wheel dismounting tool which comprises a supporting arm, a base, a connecting bolt, a fixing nut and a positioning pin, the tool is fixedlyconnected with a track through the base, and the root of a balance elbow on the inner side of a loading wheel is supported by the supporting arm, so that the loading wheel is separated from the limitation of track guide teeth, and the loading wheel is smoothly dismounted. The tracked vehicle inner side loading wheel dismounting tool is simple in structure and small in size. After the tracked vehicle inner side loading wheel dismounting tool is adopted, the crawler belt does not need to be disconnected, the whole vehicle does not need to be hoisted, the tool can be reliably connected with the crawler belt without falling off, the disassembling time is short, the safety is high, the working efficiency of loading wheel disassembling is improved, and the maintainability of the vehicle is improved.

The invention discloses a waste water stop dissembling device for a bridge expansion joint, which comprises a vehicle body. A main cavity with an opening facing downwards is formed in the vehicle body, left-right symmetric moving devices are arranged in the main cavity, a lifting device located at the symmetrical center of the moving devices is arranged in the main cavity, the lifting device is provided with a dissembling device, a guiding device located on the left side of the dissembling device is arranged in the lifting device, and the main cavity is provided with a cutting device located between the lifting device and the moving devices. According to the waste water stop dissembling device for the bridge expansion joint, a circular saw can be automatically moved down to a working position through the cutting device and cuts the water stop into two parts, the water stop dissembling mechanism is inserted into the cut water stop on both sides through a thrusting needle and pulls the water stop out from a steel beam clamping groove, a block pushing mechanism driven by the moving device to push the remaining undissembled water stop out from the steel beam clamping groove, so the waste water stop dissembling device for the bridge expansion joint can replace manual disassembly, the disassembly efficiency is high, disassembly time is short, and the labor cost is low.

The invention provides a rapid detaching method for a large keyless connection coupler. The method comprises the following steps that a, a flange connection bolt of the coupler is detached; b, lifting rings are welded to the outer surface of the coupler and a detaching tool; c, a high-frequency winding wire of a high-frequency heater is uniformly wound on the outer surface of the coupler; d, the detaching tool and the coupler are connected together through a high-strength bolt; e, a 3T manual hand-drive block is made to hook the lifting rings on the detaching tool and the coupler; f, a hydraulic pushing-out cylinder is placed between the detaching tool and an output shaft, and a fixed nut on the high-strength bolt is screwed up; g, the hydraulic pushing-out cylinder and an electric hydraulic pump station are connected; h, the high-frequency heater is started, and heating is conducted for 10-20 min; and I, the electric hydraulic pump station is started, the hydraulic pushing-out cylinder extends, and the coupler is driven by the detaching tool to be dragged out and disengaged from an output shaft. According to the detaching method, rapid detaching and mounting on a site can be achieved, the method can be suitable for multiple models of couplers, and manpower and time are saved.

The invention discloses a computer external integrated device. The structure comprises a broadcasting port, a screw, an indicator light, a data receiving disc, an operating panel, a connector, a body,a display, a removable door, a window, a removing device and a rotary knob. The indicator light is embedded in the front surface of the operating panel. The computer external integrated device provided by the invention is structurally provided with the removing device. The main gear inside the removing device is driven by the rotating of the rotary knob. The connecting gear is driven by the maingear. The connecting gear drives the mounting plate to move leftwards. By driving the mounting plate to move leftwards, the pushing rod is driven to move leftwards. The connecting rod is pulled by thepushing rod. The moving pushing plate is pulled to the left by the connecting rod. The fixed locking rod is driven to move leftwards by the moving pushing plate. The removable door is unlocked. The removing device makes removing easy. The removing time is shortened. The working speed becomes faster.

The invention discloses a high-strength bumper for a new energy car. The high-strength bumper comprises a car body. A mounting plate is fixedly mounted on one side of the car body. A bumper body is arranged on one side of the mounting plate. A mounting groove is formed in one side of the bumper body. The side, away from the car body, of the mounting plate extends into the mounting groove. Fixing grooves are formed in the top and the bottom of the mounting plate correspondingly. Fixing holes are formed in the top inner wall and the bottom inner wall of the mounting groove correspondingly. Moving plates are slidably connected to the side walls of the fixing holes. Fixing shafts are welded to the bottoms of the moving plates. The bottoms of the fixing shafts extend into the fixing grooves. Rotating grooves are formed in the tops of the fixing shafts. The high-strength bumper is simple in structure, the bumper body can be protected by an anti-collision plate, damage to the bumper body dueto direct collision is prevented, the bumper body can be easily dismounted by rotating a rotating shaft, the dismounting time is short, the efficiency is high, and using is convenient and fast.

The invention belongs to the technical field of clutches, and particularly relates to a clutch for a vehicle. The clutch comprises a flywheel, a shell, a first ventilation hole, a second ventilation hole, a fixing sleeve, a first spring, a cavity, a movable rod, a depression bar, a rotating pull rod, a strip-shaped groove, a rotating shaft, a slider, a connecting arc strip, a connecting strip, a pedal, a friction plate, a pressure plate, a second spring, a spring piece, a guide groove strip, an air blowing cover, a cavity, a through hole, a connecting pipe, an air pump, a circle hole and a round slot. The clutch is reasonable in structure; an installation structure is arranged so that the shell can be installed on and detached from the flywheel; in the installing process, only the rotatingpull rod needs to be pulled and rotated for achieving installation; compared with the traditional manner of connection through bolts and screws, the labor intensity is low, and the installation and detachment time is short; through cooperation effects of a heat dissipation structure, the first ventilation hole and the second ventilation hole, components inside the shell can be cooled, damage caused by overheating of the friction plate and the pressure plate is avoided, and the service life of the friction plate and the pressure plate can be prolonged.

The invention relates to a tunnel steel frame foot-locking anchor rod guiding and positioning device which comprises a steel plate, an opening is formed in the middle of the steel plate, two sliding clamps are installed on the steel plate, elastic nuts are arranged at the positions, matched with the opening, of the sliding clamps, a guiding pipe is arranged on the steel plate through a pulley, andthe angle of the guiding pipe is consistent with the angle of a foot-locking anchor rod. By applying the device, the tunnel primary support steel frame foot-locking anchor rod can be rapidly, efficiently and accurately constructed, and the construction quality of the primary support steel frame support is guaranteed.

The invention discloses a high-altitude falling lifesaving device easy and convenient to use. The device mainly comprises four parts of a buffer mechanism, a supporting support, a synchronous reeling and unreeling mechanism and a moving mechanism. The buffer mechanism is composed of four parts of canvas strips, rotary rods, fixing rods and volute spiral springs. The supporting support is composed of three parts of locating screws, hydraulic buffer damping rods and telescopic supports. The synchronous reeling and unreeling mechanism is composed of three parts of chain wheels, chains and rotary hand wheels. The moving mechanism is composed of three parts of fixing switches, movable trundles and fixed trundles. The high-altitude falling lifesaving device easy and convenient to use is mainly applied in emergency rescue and has the beneficial effects of being small in size, easy to carry, suitable for various terrains, easy and convenient to assemble, short in rescue preparation time, capable of playing an important role in high-altitude falling emergency rescue and the like.

The invention belongs to the technical field of pipeline construction, and relates to a pipeline end plugging device, system and method. The heat exchange pipe plugging device comprises a tensioning rod, a sealing ring and a pipe end sleeve. The tensioning rod is arranged in the pipe end sleeve, the sealing ring is arranged on the outer portion of the tensioning rod in a sleeving manner, the inner ring of the sealing ring is attached to the outer wall of the tensioning rod, and thte outer ring of the sealing ring is attached to the inner wall of the pipeline. The tensioning rod acts on the sealing ring through rotation and self-tightening to achieve pipe end sealing. According to the heat exchange pipe plugging device, plugging tool, plugging system and plugging method, construction is easy and convenient, plugging is reliable, high-risk operation such as welding and electricity utilization is not needed, sealing stress acts on the pipeline in a pipe plate, cracking of a pipeline welded junction of the pipe plate cannot be caused, the anticorrosive coating of the pipe plate is not stressed, damage to the anticorrosive coating cannot be caused, plugging and dismounting time is short, and working efficiency is greatly improved.

The present invention provides a tool for disassembling a yellow phosphorus furnace break electric pole which includes a four-foot fork and a fixing plate. The four-foot fork is crosswise welded by two reverse U shape steels, the four-foot fork is fixed on the fixing plate. The above structure only needs opening four holes with suitable interval on the electric pole when the yellow phosphorus furnace break electric pole is disassembled, then the four-foot fork is inserted into the four holes, a level turns the four-foot fork for turning the break electrode down. The tool can disassemble the yellow phosphorus furnace break electric pole, does not damage the electric pole thread port and human and has short disassembling time.