30results about How to "Solve the lock" patented technology

The invention discloses a movable connector with a self-locking device. The movable connector is characterized in that a plug mounting board is provided with a guide post pair; locking grooves with annular structures are arranged on the guide posts; a socket mounting board arranged on a movable seat is provided with a guide cylinder pair and a locking mechanism; the locking mechanism comprises a pair of symmetrically arranged locking claw; one end of the locking claw is a lock hook; the side wall of the locking mechanism close to the guide cylinder is provided with a window adaptive with the lock hook; when the movable connector is connected and locked, the lock hook passes through the window, and the end part of the lock hook is located in the locking grooves on the guide posts. By usingthe movable connector, the problems that the movable connector is lack of a locking device and the connection reliability is weak, and the connector is not convenient to use because that the connector is locked or unlocked with the aid of tools in the prior art, can be effectively solved. The movable connector provided by the invention is stable in connection and good in reliability, can be self-locked after the connector is plugged, and can be unlocked without any tools, thus, the use is very convenient.

The invention discloses a main shaft system of a vertical shaft type sand maker, comprising a main shaft and a shaft sleeve, wherein the main shaft is positioned in the shaft sleeve through a bearing; bearing covers combined by axial positioned bearings are arranged at the upper end and the lower end of the shaft sleeve; a sealing structure is arranged between the bearing cover and the main shaft; and a lubricating structure is arranged on the shaft cover and comprises a thin oil inlet, an oil return hole and a grease inlet which are arranged on the side wall body of the bearing cover. The main shaft system has reasonable, novel and unique structure and operates stably at high rotating speed; by lubricating and combining thin oil with grease, the problem that the main shaft is locked can be effectively solved and the service lives of the bearing and other parts can be prolonged; and in addition, during bearing assembly, the bearing sleeve is electromagnetically heated so as to ensure the assembly precision and bring convenience to the assembly process.

The invention discloses a leakage-proof device of a gluing mechanism of an edge bonding machine. The leakage-proof device comprises a glue supplying box, a gluing shaft, a glue supplying wheel seat, a sealing cover between the glue supplying wheel seat and the gluing shaft, an O-shaped sealing ring and a bearing, wherein the gluing shaft comprises a gluing shaft working part and a gluing shaft connecting part, which are fixedly connected with each other, a spiral lifting groove of which the spiral direction is opposite to the rotating direction of the gluing shaft is formed in the outer wall surface of the gluing shaft working part, and the sealing cover is used for receiving leaked glue; glue is actively elevated into the glue supplying box from a receiving groove and a long and thin gap by rotation of the lifting groove in a rotating process of the gluing shaft, so that a condition that glue enters the bearing to cause locking is effectively avoided, and even if a sealing element is slightly abraded, the gluing mechanism can work normally; besides, only the O-shaped sealing ring needs to be replaced while a high-temperature bearing is not required to be replaced during maintenance, so that the maintaining cost is low; with the leakage-proof device, the problems that a traditional gluing device frequently suffers from bearing locking and maintaining trouble and the like are effectively solved.

The invention relates to a drum brake which aims to solve the problem that a brake shoe of the conventional drum brake can not be radially expanded, and further solve the problems of brake noise, dragging, squeal and locking. The technical scheme of the invention is as follows: the drum brake comprises a brake drum (4), a brake shoe (3), a friction plate (5), a driving device, a lining (6), a shoe plate shaft (7), and a reset device; the drum brake is characterized in that an outline with a certain guiding function is arranged on a part on which the shoe plate shaft is matched with the lining, and the guiding outline is arranged in a brake radial direction along which the brake shoe can be radially expanded, and the lining can slide with the brake shoe along the guiding outline of the shoe plate shaft, but can not rotate around the shoe plate shaft, and the brake shoe can rotate around the lining arranged in an end hole. The drum brake provided by the invention has the advantages that the drum brake is simple and easy, the drum brake can effectively solve the problems of uneven abrasion of the friction plate, brake noise, dragging, squeal and locking, meanwhile, and the drum brake has large brake torque.

The invention provides an integrated brake caliper, and belongs to the technical field of vehicle braking. The integrated brake caliper comprises a brake support assembly provided with a friction plate structure and a brake shell connected with the brake support assembly; and a thrust assembly, an adjusting assembly and a piston are arranged in the brake shell. According to the integrated brake caliper, a limiting convex point and a limiting groove are arranged between the thrust assembly and the brake shell, and a connecting convex point and a connecting concave point are embedded and connected between the thrust assembly and the adjusting assembly, so that the layout space is reduced, the fit clearance is small, the parking endurance abrasion is small, the durability is better; meanwhile, a ball ramp structure and a multiple thread structure are adopted, so that the ejection effect of the piston is further improved, the mechanical transmission gap is shortened, and the braking performance is improved; the brake shell is a cast aluminum piece with reinforcing ribs, so that the weight is lighter; and the surface material of a silencing piece with a friction plate structure adoptsa rubber cloth ripple silencing piece so that the friction coefficient can be increased, the piston can be prevented from rotating, the parking performance is further improved, and the market competitiveness is improved.

The invention relates to a grinding process applied to a high-precision easy-to-assemble hub unit, and belongs to the technical field of hub unit machining. The grinding process comprises the following steps that a spline hole of a hub flange is machined and formed to serve as an axis reference, an inner ring clamping groove of the hub flange is machined, and an outer ring flange and a flange holeof the outer ring flange are roughly turned according to the axis reference; then the nesting process of an inner ring and the hub flange is completed through an oil press; a motor sliding air cylinder seat at the front end of a machine base drives an inner locking notch and channel grinding assembly to be inserted into the outer ring flange, and a motor sliding air cylinder seat at the side endof the machine base drives an outer locking notch and channel grinding wheel to be close to the outer side end of the hub flange with the inner ring; and the outer locking notch and channel grinding wheel conducts displacement grinding from the outer wall of the hub flange with the inner ring, and the inner locking notch and channel grinding assembly grinds a locking notch and a channel in the outer ring flange. The grinding process has the advantages of good operation stability, high precision and long service life, and the problem that the machining coaxiality of locking notches and channelsof an outer ring flange, an inner ring and a hub flange is poor is solved.

The invention relates to a wire passing sealing locking device. The wire passing sealing locking device comprises a wire passing stud, a sealing ring, a thin nut, a conical opening ring and a wire passing cover type nut. The wire passing stud sequentially penetrates through the sealing ring and the box wall, the wire passing cover type nut is used for sealing and fastening the wire passing stud through the sealing ring, a cable passes through the wire passing stud, the conical opening ring and the wire passing cover type nut, the wire passing cover type nut is fastened, the cable can be effectively fixed, and the cable and the wire passing stud are sealed by matching with the conical opening ring. According to the wire passing sealing locking device, the structure is simple, the installation is convenient, the sealing performance is good, and the phenomenon that the cable is not loosened and the box wall is free of gas (or liquid) leakage is ensured.

The invention discloses an indoor closed space complex gas pollutant source purification agent and application thereof. Firstly, a high-molecular polymer and unsaturated higher fatty acid are effectively mixed; under the action of a catalyst, an emulsifying agent and a dispersing agent, a uniformly dispersed macromolecular polymeric material is formed; and the macromolecular peptide polymer and the unsaturated higher fatty acid are gradually spread along with volatilization of water molecules in air, and due to different molecular weights, composite crossed multi-layer films with different effects are gradually formed to form a cross-linked net-shaped film formed by a bottom-layer decomposition film, a middle-layer multi-layer protection film and an upper-layer macromolecular polymer, so that release of gaseous pollutants is prevented. The sustainability of the agent is improved, the membrane structure and the hardness are enhanced, volatilization of pollutants can be rapidly solved by forming the multi-membrane structure, harmful gas is locked, O-C=O, C-NH2, H2O and CHO are firmly cross-linked and tightly combined with a macromolecular polymeric material, damage caused by external force is not likely to happen, and the strength of the multi-membrane structure is improved.

The invention relates to the field of technologies for treating volatile organic compound waste gas, in particular to a special slag cooler for heat storage secondary combustion purification devices for treating and adsorbing VOCs (volatile organic compounds) waste gas and solid waste. The special slag cooler is characterized by comprising an ash blowing machine, a jacket type air-cool spiral conveyor, an air shutdown valve and a drum type slag cooling assembly. According to the technical scheme of secondary slag ash cooling, the special slag cooler has the advantages that stable and gentle temperature gradient descent of slag ash can be guaranteed by primary air cooling of the jacket type air-cool spiral conveyor and secondary water cooling of the drum type slag cooling assembly, and accordingly the problems of great local temperature variation of spiral blades in existing jacket type air-cool spiral conveyors during irregular interval slag discharge and locking of the spiral blades and the inner wall of air-cool jackets after the spiral blades are thermally expanded can assuredly solved; designed spiral slag breaking hinges can roll in circumferential surfaces of rotary drums along with rotation of the rotary drums, accordingly, slag on the inner walls of the rotary drums can be cleaned in cycles, and reduction of heat conductivity coefficients of the rotary drums and local high-temperature deformation of the rotary drums can be prevented.

The invention relates to an automatic companion stone embedding and lining autogenous grinder which is formed by a motor, a speed reducer part, a transmission part, a support foundation part and a shell part. The shell part is formed by at least one section of shell unit. The automatic companion stone embedding and lining autogenous grinder is characterized in that one end of the shell unit is a feed end; the other end of the shell unit is a discharge end; a shell liner is arranged on the inner wall of the shell unit and is formed by grid sections uniformly distributed on the circumference at intervals; a grid section groove is formed between each two adjacent grid sections; a cross section of each grid section is characterized in that the end in the direction toward the center of the shell unit is wide, and the end in the direction toward the inner wall of the shell unit is narrow; a cross section of each grid section groove is characterized in that the end in the direction toward the center of the shell unit is narrow, and the end in the direction toward the inner wall of the shell unit is wide; the horizontal surface in the length direction of each grid section is narrow at the feed end and wide at the discharge end; and the horizontal surface in the length direction of each grid section groove is wide at the feed end and narrow at the discharge end. The automatic companion stone embedding and lining autogenous grinder has the advantages of light liner weight, capabilities on automatically selecting applicable mineral particles to be inlaid into a liner groove so as to substitute lining and assist grinding, and capabilities on automatically locking stones and retreating and supplementing stones.

The invention discloses a novel hydraulic breaker oil way with the function of preventing a piston from being stuck, and relates to the technical field of hydraulic breaker oil ways. According to the technical scheme, the novel hydraulic breaker oil way is characterized by comprising a middle cylinder body and a rear cylinder body, the middle cylinder body is fixedly connected with the rear cylinder body, the piston is arranged in the middle cylinder body, the piston penetrates through the rear cylinder body, an oil way is arranged in the middle cylinder body, and hydraulic oil in the oil way in the middle cylinder body flows into the middle cylinder body from a middle cylinder hole formed in the middle cylinder body in multiple symmetrical directions; and the novel hydraulic breaker oil way has the the effects that oil ways are arranged in the middle cylinder body and the rear cylinder body, the hydraulic oil in the oil ways is input into the middle cylinder body and the rear cylinder body in the multiple symmetrical directions, so that the periphery of the piston is stressed uniformly, uniform centripetal pressure is formed, it is guaranteed that the piston is positioned at an axis symmetric space position in the middle cylinder hole, a uniform circumferential oil film is formed, and therefore the piston easily does reciprocating motion in the oil film, hydraulic clamping force and friction force are reduced, and the phenomena of locking and pulling damage of the piston and the middle cylinder hole are solved.

The invention discloses a conveying device for a wood floor. The conveying device for the wood floor comprises chains, guide rails, a support panel, a guiding shaft and guiding wheels. The chains move along the guide rails. The support panel is arranged on the chains. The upper end of the guiding shaft is arranged on the chains. The lower end of the guiding shaft is arranged inside the guide rails. The upper end of the guiding shaft is fixed by nuts. Guiding wheels are arranged at the lower end of the guiding shaft. The guiding shaft comprises a main shaft and an eccentric shaft. The main shaft and the eccentric shaft are arranged in a parallel mode. The main shaft and the eccentric shaft are arranged in a non-collinear mode. According to the conveying device for the wood floor, economic cost is reduced by 20 percent. Meanwhile, the technical problems of locking and severe wear between the chains and the guide rails are effectively solved. Therefore, service life of the chains is increased by six months to ten months.

The invention discloses a preparation method of a low-shear-strength grouting material for a shield excavation gap. The preparation method comprises the following steps: selecting a grouting material; preliminarily designing multiple groups of grouting materials with different water cement ratios and multiple groups of grouting materials with different swelling-water ratios; manufacturing a plurality of groups of grouting material test pieces; testing the shear strength of each group of test pieces to obtain the optimal water-cement ratio and the optimal swelling-water ratio of the grouting material; adding bentonite and water into a stirrer according to the optimal swelling-water ratio, conducting stirring, fully and uniformly conducting mixing, conducting standing, and fully conducting swelling; measuring water glass with required baume degree, adding the water glass into expanded bentonite slurry, and uniformly conducting stirring; and adding cement powder, and continuously conducting stirring uniformly to finish the preparation. The filling problem of the excavation gap in shield construction is studied, and the problem that a shield body is locked by a conventional shield body grouting material can be solved; and a novel filling material configuration method is adopted, the pumping requirement in grouting equipment is met, and meanwhile high shear strength is achieved.

The invention relates to the technical field of conveying equipment and provides discharging and feeding equipment. The discharging and feeding equipment comprises a shell body, a feeding spiral and an anti-material-jamming structure. A feeding hole is formed in the shell body; a feeding cavity is constructed in the shell body; a buffer zone is arranged in the feeding cavity; the feeding spiral ispositioned in the feeding cavity; a feeding passage is arranged between the feeding spiral and the feeding hole; the feeding passage and the buffer zone are arranged in parallel in the feeding direction of the feeding spiral; the anti-material-jamming structure is positioned between the feeding passage and the buffer zone; and the anti-material-jamming structure moves to adjust the communicationrange between the feeding passage and the buffer zone. The discharging and feeding equipment can solve the problem of feeding spiral locking caused by particles; and the structure is novel and practical, the manufacturing is simple, the cost is low and the service life is long.

The invention discloses a brake protection structure device, which comprises a gearbox, an oil discharge hole, a brake, a fastening bolt, a fixing pipe, a front bracket, and a hydraulic shock absorber, and is characterized in that the gear oil in the gearbox is fixed The pipe and the oil drain hole flow out; the fixed pipe is provided with a fixed tapered pipe sleeve, and the fastening bolt is fixed on the tapered pipe sleeve; the upper part of the front bracket has a fixed pipe, and the lower part is provided with a hydraulic shock absorber device. The invention has the advantages of simple structure, simple operation, good heat dissipation effect, effectively solves the problems of wheel slipping, side slipping, locking, unstable braking, etc., keeps the sliding rate of the wheel within the optimal range, is safe and reliable, and has good vibration reduction and braking effects it is good.

The invention provides a gas supply circuit used for controlling a low-temperature gas-liquid connector. The gas supply circuit comprises a gas source input end, a two-position five-way electromagnetic valve, a first normally-open electromagnetic valve, a second normally-open electromagnetic valve, a connector locking output end, a connector disengagement output end, a third normally-open electromagnetic valve, a two-position two-way electromagnetic valve, and a gas exhaust end. The first end of the two-position five-way electromagnetic valve is connected with the gas source input end. The first end of the first normally-open electromagnetic valve is connected with the second end of the two-position five-way electromagnetic valve. The first end of the second normally-open electromagnetic valve is connected with the third end of the two-position five-way electromagnetic valve. The connector locking output end is connected with the second end of the first normally-open electromagnetic valve. The connector disengagement output end is connected with the second end of the second normally-open electromagnetic valve. The first end of the third normally-open electromagnetic valve is connected with the third end of the second normally-open electromagnetic valve. The first end of the two-position two-way electromagnetic valve is connected with the gas source input end. The second end of the two-position two-way electromagnetic valve is connected with the second end of the second normally-open electromagnetic valve. The gas exhaust end is connected with the second end of the third normally-open electromagnetic valve. According to the gas supply circuit, the design of redundant backup of the two-position five-way electromagnetic valve is provided for coping with possible failures, and the reliability of the gas supply circuit is improved.