34results about How to "Protection from wear and tear" patented technology

A double-sided fire-fighting cabinet including Fire Service Cabinet 1 and Fire Service Cabinet 2, the fire-fighting cabinet 1 and the fire-fighting cabinet 2 are connected through hinges, A cavity isarranged in the fire fighting cabinet 1 and the fire fighting cabinet 2, A storage cabinet and a pulley are arranged in the hollow cavity, A slide rail is arranged on the storage cabinet, the pulley is arranged in the slide rail, A lay cabinet is arranged in that fire cabinet 1 and the fire cabinet 2, Drawer and fire wardrobe, the accommodate cabinet, Drawers and fire wardrobes are arranged from top to bottom, Between that place cabinet and the fire wardrobe and the drawer, The storage cabinet is provided with a rope cabinet, a fire extinguisher cabinet 1 and a fire extinguisher cabinet 2, wherein the rope cabinet, the fire extinguisher cabinet 1 and the fire extinguisher cabinet 2 are arranged from the top to the bottom in sequence, and partitions are arranged between the rope cabinet, the fire extinguisher cabinet 2 and the fire extinguisher cabinet 1. The double-sided fire extinguisher cabinet is novel in design, reasonable in structure and complete in configuration, and can save space and equipment time.

The invention discloses an automobile splash fending board. The automatic splash fending board comprises a splash fending board body and a connecting device. The splash fending board body is connected to the position, near a rear tire and close to one side of the automobile tail, of an automobile body through the connecting device, the splash fending board body is provided with a through hole and protruding blocks, and the edge of the splash fending board body is provided with a sealing strip. The sealing strip on the edge of the splash fending board body can well protect oil paint on the automobile body which is in contact with the splash fending board body from getting worn, and can prevent sewage splashed by automobile tires from entering the inner wall of the splash fending board body; the surface of the splash fending board body is coated with a polytetrafluoroethylene coating, and thus the amount of mud adhering to the splash fending board body can be well reduced; when a user needs to clean the splash fending board body, the user needs to dismount the splash fending board body, put the splash fending board body into water, and then turn on a switch of an ultrasonic metal round thin sheet, and then the ultrasonic metal round thin sheet can quickly clean away the mud on the splash fending board body thoroughly; meanwhile, the splash fending board body is provided with multiple protruding blocks, thus the adherence of the mud on the splash fending board body is reduced, and the mud can conveniently fall off from the splash fending board body.

The invention discloses a fastening device for the optical cable and the electric cable. The fastening device comprises a bottom plate, a second clamping block, a pressing bolt and a stop bolt; a mounting groove is arranged on the middle position inside the bottom plate, and a bearing is fixedly connected to the inside of the mounting groove; a rotating shaft is rotationally connected with the bearing, and a base is rotationally and fixedly connected with the top end of the rotating shaft; a pressing plate is arranged on one end of the base, and the second clamping block is arranged below thepressing plate; the second clamping block and the pressing plate are fixedly connected via a second spring, and a first clamping block is arranged below the second clamping block; the first clamping block is fixedly connected with the base via a first spring. According to the fastening device for the optical cable and the electric cable, a plurality of cables can be secured at the same time; in addition, a protection pad is arranged on the inner wall of the clamping port so that the cable skin is effectively protected from being worn; the two clamping block pairs are provided so that the cables of different wire diameters can be clamped and the cable connection angle can be freely changed thereby improving the practicability of the whole device.

The present invention relates to a special tool for rapid winding of an aluminum armor tape, and especially relates to new construction or reconstruction of dual-serial work of a transmission line ofan electric system, belonging to the technical field of a transmission line maintenance tools. The special tool comprises a hand holding portion A and a tapered arc tip body C clamped on a wire, the hand holding portion A and the tapered arc tip body C are combined into an integration structure through an intermediate connection mechanism B, one surface of the tapered arc tip body C being in contact with a wire is designed to an arc shape, the top portion of the tapered arc tip body C is provided with an upper opening fixed mechanism configured to penetrate an aluminum armor tape D and capableof preventing the aluminum armor tape from separating from the tapered arc tip body C, the intermediate connection mechanism B is provided with a lower opening fixed mechanism configured to penetratethe aluminum armor tape D and capable of preventing the aluminum armor tape D from separating from the intermediate connection mechanism B, and the upper opening fixed mechanism is staggered with thelower opening fixed mechanism in position. The special tool for rapid winding of an aluminum armor tape is simple in structure and convenient to carry, can effectively reduce the working efficiency,can reduce the labor intensity, and is consistent in winding tightness and uniform in arrangement.

The invention discloses an oil storage piston pin for a reciprocating type compressor capable of realizing starting lubrication convenience, and is used in the field of the reciprocating type compressor. The oil storage piston pin comprises a pin body, wherein the upper end of the pin body is provided with an oil storage structure, and the lower end of the pin body is provided with a positioning pin installing side hole. In the oil storage piston pin for the reciprocating type compressor capable of realizing the starting lubrication convenience, the oil storage structure is arranged on the upper end surface of the piston plug and is used for collecting lubricating oil remained on a moving component. When the compressor is started in a next time, the lubricating oil in the oil storage structure is thrown out under the effect of inertia force, so a friction pair of a piston and an air cylinder hole can be lubricated. Therefore, the lubricating effect can be preferably realized in the starting moment of the compressor. The piston is protected from being abraded, and the starting moment is reduced.

The invention discloses a finger protector which comprises an arc-shaped baffle blocking a cutter point. A finger sleeve is arranged on the middle portion of the inner side of the arc-shaped baffle, rubber ring layers are arranged on the upper edge and the lower edge of the finger sleeve, and a gap is further formed in one side of the finger sleeve. The finger protector is provided with the arc-shaped baffle blocking the cutter point, the finger sleeve is arranged on the inner side of the arc-shaped baffle, the finger stretches into the finger sleeve and presses an article to be cut, the finger protector is convenient to use, the rubber ring layers are arranged on the upper edge and the lower edge of the finger sleeve, the finger is protected from abrasion, and the finger protector is simple in structure and easy to achieve, and has good application prospects.

The invention provides a novel three-way material distribution valve. The novel three-way material distribution valve comprises a valve body and two plate turnover mechanisms; the valve body is a three-way valve body and is provided with a feeding inlet, a first material outlet and a second material outlet; windows are formed in the outer side walls of both the first material outlet and the secondmaterial outlet; the two plate turnover mechanisms are disposed on the outer side walls of the first material outlet and the second material outlet; each plate turnover mechanism is provided with a power device, a rotating device and a valve plate; the rotating devices are disposed on the outer side walls of the material outlets; the valve plates are disposed at the windows; the backs of the valve plates are rotationally connected with the power devices; the ends, close to the feeding inlet, of the valve plates are connected with shafts of the rotating devices; the fronts of the valve platesare opposite to a material; and the valve plates are driven by the power devices to rotate around the shafts of the rotating devices so as to close or open the first material outlet or the second material outlet through the windows. The novel three-way material distribution valve is simple in structure, abrasion between the valve plates and the rotating devices on the one hand and the material onthe other hand can be reduced, the service life is prolonged, and mounting, dismounting and maintaining of the valve plates and the rotating devices are facilitated.

The invention discloses a bearing with high-temperature resistance and low speed, comprising a bearing support, at least three roller shafts and a plurality of rollers clearance fitly sleeved on the roller shafts; wherein, the bearing support is fixedly arranged on a non-rotatable part of a rotary machinery; the roller shafts are arranged on the bearing support, and the roller shafts and the rotating shaft are parallel and evenly distributed around a rotating shaft; external circle of the roller is rolling fitted with the rotating shaft. The bearing with high-temperature resistance and low speed has the advantages that the bearing can work under working environment with high temperature and lower rotational speed; any lubricant is not needed; normal and long cycle of production can be maintained and production and maintenance cost are saved.

The invention discloses a blast furnace tuyere medium sleeve. The blast furnace tuyere medium sleeve comprises a body and a front cap, the steel body and the steel front cap are welded together to form a sleeve in a shape of conical cylinder with small front end and big rear end, an annular cooling cavity is formed in the sleeve, the rear end of the sleeve is provided with a water inlet and a water outlet communicated with the cooling cavity, and the outer conical surface of the rear end of the sleeve is provided with an annular build-up welding layer made of pure copper or low-alloy copper alloy material. The blast furnace tuyere medium sleeve is formed by mainly welding the steel body and the steel front cap, so the blast furnace tuyere medium sleeve has high supporting strength, is not easily extruded by a furnace wall to deform, can save over 2/3 of noble metallic copper material and greatly reduces the cost of the material. Meanwhile, the blast furnace tuyere medium sleeve has good cooling and heat dissipation effects, the sealing property of fitting surfaces of a tuyere big sleeve and the tuyere medium sleeve is ensured, and the tuyere big sleeve is prevented from being abraded.

The invention provides a sand aggregate bucket elevator hopper control system and control method and relates to a hopper control system and control method. Through the sand aggregate bucket elevator hopper control system and control method, the problems that aggregates accumulated at the bottom of a machine case of an existing sand aggregate conveying bucket elevator damages a hopper, the maintenance cost of equipment is increased, the maintenance time of the equipment is prolonged, and the running efficiency of a production line is reduced can be solved. The sand aggregate bucket elevator hopper control system is composed of a bucket elevator, a collection hopper, a feed belt conveyor, a return belt conveyor and a PLC. The collection hopper is internally provided with a first material level gage and a second material level gage. The sand aggregate bucket elevator hopper control system can protect the hopper of the bucket elevator against abrasion, prolongs the service life of the equipment and is suitable for controlling the hopper of the bucket elevator.

The invention discloses wooden floor cutting equipment and a working method thereof. The wooden floor cutting equipment comprises a workbench, a first air cylinder is arranged on the upper surface ofthe workbench, a first air cylinder rod is fixed to the output end of the first air cylinder, a push plate is fixed to the output end of the first air cylinder rod, fixing blocks are fixed to the centers of the two sides of the upper surface of the workbench, a screw is fixed to one side of each fixing block and sleeved with a sleeve rod, a limiting plate is fixed to the end, away from the corresponding fixing block, of each sleeve rod, fixing columns are vertically fixed to the two side walls of the workbench, a transmission transverse rod is fixed between the top ends of the two fixing columns, transmission rollers are arranged at the two ends in the transmission transverse rod, a transmission chain is installed between the two transmission rollers, a first motor is arranged below the transmission transverse rod, and a cutting blade is arranged at the output end of the first motor. By means of the wooden floor cutting equipment, it can be guaranteed that cut wooden floors are the same in specification, cutting of the wooden floors is completely automatic, and the working efficiency of cutting of the wooden floors is higher.

The invention discloses an automatic drill rod loading and unloading device applicable to a coal mine underground drilling machine. The device comprises a manipulator unit, a drill rod bracket, a drill rod storage rack and a drill rod hoisting unit; the manipulator unit comprises a grab and a regulating unit, the grab is mounted at the end of the regulating unit, the regulating unit comprises a plurality of telescopic sleeves arranged horizontally and vertically and connected mutually; the drill pipe bracket comprises a drill rod storage box and a brace, and a plurality of tray supports are hinged to one side of the drill rod storage box; the drill pipe storage rack comprises two U-shaped clamp plates parallel to each other and provided with opening in opposite horizontally, and a draw baris detachablely connected between the two U-shaped clamp plates; the drill rod hoisting unit comprises a guide rail capable of driving the drill pipe storage rack to move between the position above the drill pipe bracket and the drill pipe storage position. The automatic drill rod loading and unloading device realizes continuous loading and unloading of drill pipes, reduces labor intensity of operators, decreases danger coefficient of underground work, and increases automation level in loading and unloading of the drill pipes for the coal mine underground tunnel drilling machine.

The invention discloses a high-flow single-stage double-suction centrifugal slag flushing pump. The high-flow single-stage double-suction centrifugal slag flushing pump comprises an impeller, a pump shaft and a pump case. The pump shaft penetrates through the two sides of the pump case. The impeller is located in the pump case and connected to the pump shaft through an impeller key in a sleeving mode. The pump case is of a double-volute structure. The impeller is provided with eight impeller blades arranged in central symmetry, and a sharp-crested impeller water outlet is formed between the two of the impeller blades. Through the high-flow single-stage double-suction centrifugal slag flushing pump, the problems that a single-stage centrifugal slag flushing pump is large in size and small in flow and big-size and big-weight waste slag are not flushed cleanly in the prior art are solved.

The invention relates to a guy system for an offshore floating crane. The system comprises two identical guy steel wire rope systems arranged on the crane. Each guy steel wire rope system comprises areel, a driving mechanism thereof, a transition pulley, a groined shaft, a shackle and an anti-rotation sleeve, wherein the reel and the driving mechanism thereof are placed on a turntable under a cantilever crane of the crane or at the root position of the cantilever crane, the transition pulley and the groined shaft are installed on the cantilever crane, a guy steel wire rope (4) is unwound fromthe reel, penetrates through the transition pulley and the groined shaft and is connected with the shackle and the anti-rotation sleeve, and the guy steel wire rope (4) is separated from the cantilever crane through the groined shaft and is connected with a hoisted object. Compared with the prior art, the system has the characteristics of being stable in structure, long in service life, applicable to all offshore operations and the like.

The invention discloses a key pad, including a keyboard pad, wherein the keyboard pad is provided with key positions in one-to-one correspondence with keys on the keyboard, the key positions are provided with through-holes, sensing elements arranged in the key positions at the bottom of the through-holes can be triggered by pressing fingers in the through-hole positions downwards. The key pad of the invention has excellent touch, easily found key positions, and a function of protecting a touchpad.

The invention belongs to the field of wireless mobile power sources, and particularly relates to a wireless charging type mobile phone mobile power supply. The mobile power supply comprises a shell; first sliding grooves are formed in the shell; the first sliding grooves are symmetrically distributed along the center line in the length direction of the shell; the cross section of each first sliding groove is in a T shape, and the upper portion of each first sliding groove penetrates through the upper surface of the shell; a support is elastically connected into each first sliding groove through a first spring; a groove is formed in the upper part of the shell; a first circular groove is formed in the shell, and a coil is fixedly connected in the first circular groove; and the coil is electrically connected with a power supply in the shell. The mobile power supply is simple in structure, the angle of the wireless mobile power supply can be adjusted when the wireless mobile power supply charges a mobile phone, a user can use the wireless mobile power supply conveniently, and the problems that in the walking process, the user inconveniently carries the wireless mobile power supply which is charging the mobile phone, the mobile phone is prone to falling off from the wireless mobile power supply, and the mobile phone or the wireless mobile power supply is damaged can be solved.

The invention relates to an abrasion-resistant sleeve of a drilling machine. The abrasion-resistant sleeve of the drilling machine comprises an abrasion resistant sleeve (1) formed by a plastic body (2) which is an abrasion-resistant plastic body. The abrasion-resistant sleeve (1) is of a round tube structure. The abrasion-resistant sleeve of the drilling machine has good resilience, abrasion resistance, shock resistance, tearing resistance, fatigue resistance, good sealing performance and long service life, thereby being widely applied to petroleum drilling machines.

The invention discloses a motor capable of adjusting any arc surface of a terminal box through a rubber pad. The motor comprises a motor shell, a motor rubber pad and a motor terminal box, wherein themotor shell is cylindrical, the motor terminal box comprises a round angle rectangular panel and a wire box with a right-angled triangular section, the slope of the wire box is connected with the panel, the right-angled surface of the wire box is connected with the motor rubber pad, the edge of the right-angled surface of the wire box is provided with a group of opposite parallel chutes, a groupof opposite round angle rectangular holes is arranged in the center of the right-angled surface of the wire box, one side of the motor rubber pad is a plane fitted with the right-angled surface of thewire box, the other side thereof is an arc surface fitted with the motor shell, and two sides of the motor rubber pad are provided with insertion sheets fitted with the chutes. The rubber material helps changing the angle of the arc due to the elasticity, so as to adjust the arc surface, thereby being suitable for various motors, and reducing production cost.