52results about How to "Safe and reasonable design" patented technology

The invention relates to the field of slope stability evaluation and landslide reinforcement and prevention, in particular to a rock slope pre-stressed anchor bar reinforcement parameter optimizing measurement method which includes the steps: first, determining basic physical and mechanical parameters of a slope to be reinforced; second, determining rock slope stability coefficient; third, determining rock slope stability correction coefficient; fourth, determining anchor bar distribution and anchor bar reinforcement sliding resistance force values; fifth, determining the optimal incident angle of a rock slope pre-stressed anchor bar; sixth, determining the quantitative relation between rock anchor bonding strength and uniaxial compressive strength; seventh, determining the optimal anchorage length of the pre-stressed anchor bar; eighth, determining the optimal design overall length of the pre-stressed anchor bar. The method has good economic benefits and practical values in slope reinforcement engineering, the incident angle and the anchorage length of the anchor bar can be accurately measured, and the method is used for designing the pre-stressed anchor bar more economically, reasonably and safely.

The invention discloses a multi-insurance self-control anti-theft lock, wherein the anti-theft lock comprises a lock cavity and a mechanical lock cylinder and a mechanical spring bolt which are fixed on the lock cavity; the anti-theft lock further comprises a set of electronic control lock cylinder which is fixed in the lock cavity; the electronic control lock cylinder comprises a micro stepping motor, a gear mounted on the shaft of the micro stepping motor, a rack engaged with the gear, an electronic control lock cylinder connected with the end part of the rack, a single-chip for controlling the micro stepping motor, and a main direct-current power source for supplying power to the micro stepping motor and the single-chip. The technical solution in the invention adds a set of micro electronic control lock cylinder in the original cavity of a mechanical lock; the electronic control lock cylinder comprises a micro stepping motor, a micro gear, a micro rack, a single-chip control chip and a power source; and the structure applies prior mature electrical parts and mechanical parts; so the multi-insurance self-control anti-theft lock is small in realizing difficulty, low in cost and easy to be promoted and applied in large areas.

The invention, which belongs to the cell technology field, discloses a cylindrical supercapacitor. The supercapacitor comprises a cylindrical hollow housing, an electrode set, an upper current collector, a lower current collector and an upper cover. The top of the cylindrical hollow housing is opened and the bottom is closed. The electrode set is arranged in the housing. The top end surface and the bottom end surface of the electrode set and the upper current collector and the lower current collector are respectively welded together. And the upper cover is sealedly connected with a top edge of the housing and a through hole is arranged in the middle of the upper cover. Besides, the center of the top of the upper current collector is projected upwardly to form an anode column that is extended outwardly from the through hole; and the anode column and the through hole are in interference fit and an outer wall of the extending end of the anode column is provided with threads. And the center of the outer bottom of the housing is provided with a cylinder, wherein the outer wall of the cylinder is provided with threads. According to the invention, the cylindrical supercapacitor has advantages of safe and reasonable design, compact overall structure, and long service life; and the cylindrical supercapacitor is especially suitable for an application occasion on which it is needed to provide rapid energy releasing and a high power demand can be met; therefore, the cylindrical supercapacitor has wide prospects.

The invention relates to a method for optimally measuring reinforcing parameters of a rock slop anchor rod, in particular to a method for optimally measuring reinforcing parameters of a forward doublesliding surface rock slope anchor rod, and belong to the field of rock slop stability evaluation and landslip reinforcement and prevention and cure, the method comprises the following steps of: 1, determining basic morphological elements and physical mechanical parameters of a slope to be reinforced; 2, determining an integral stability coefficient of the rock slope; 3, determining a stability correction coefficient of the rock slope; 4, determining anchor rod layout and an anchor rod reinforcing anti-slip force value; 5, determining an optimal incidence angle of a rock slope pre-stressed anchor rod; 6, determining a reasonable anchoring length of the rock anchor rod. The method has the advantages that the incidence angle of the anchor rod, the radius of the anchor solid and the anchoringlength can be accurately measured, and the pre-stressed anchor rod is designed to be more economical, more reasonable and safer by using the method.

The invention discloses a supercharging device and method suitable for an underground coal mine single hydraulic prop. The supercharging device comprises a first oil cylinder, a second oil cylinder, afirst operation and control valve, a second operation and control valve, a liquid storage container, a water inlet pipe, a water return pipe, a plurality of high-pressure stop valves and a pluralityof non-return valves; and the first operation and control valve controls the first oil cylinder, and the second operation and control valve controls the second oil cylinder. The supercharging device and method suitable for the underground coal mine single hydraulic prop are based on static-pressure water pipes arranged at excavation points of an underground coal mine, the water pressure of 2.5MPain the static water pipes is adopted as initial pressure, a ratio of an inner diameter section of an upper cylinder body B of the second oil cylinder to an inner diameter section of a lower cylinder body B of the second cylinder body is used, when static water of 2.5 MPa pushes the upper end of a piston rod B, force at the upper end of the piston rod B is transmitted to the lower end of the pistonrod B, the lower end of the piston rod B generates pressure of 15MPa towards emulsion-containing static water, the emulsion-containing static water further acts on the single hydraulic prop, the pressure of the single hydraulic prop can achieve 13-15MPa, and the purpose of supercharging molding is achieved.

The invention discloses monitoring equipment for a plant area. The monitoring equipment comprises a mounting block fixedly mounted on a building wall body and a bracket fixedly connected to the mounting block. The monitoring equipment is characterized in that a supporting plate is fixedly arranged on the left side of the top of the bracket; a first cover plate is fixedly arranged on the top of theright side of the supporting plate; a first cover plate groove is formed in the bottom end surface of the first cover plate; and a second cover plate groove communicating to the first cover plate groove is formed in the right end of the first cover plate. The monitoring equipment disclosed by the invention is simple in structure and safe and reasonable in design. The position of a monitoring probe in left and right directions and the rotating angel position of the monitoring probe can be adjusted automatically, and the height of the monitoring probe can be also adjusted, so that the plant area can be monitored all around by the monitoring probe. The first cover plate and the second cover plate can better prevent rain, shield sun and prevent dust. The service life of the monitoring probe is prolonged, the input cost of a plant is reduced, and the whole monitoring equipment is safe and stable to operate, simple, convenient and rapid to operate and suitable for a large plant area.

The invention discloses a novel textile machine comprising a machine base and two or more winding assemblies. The winding assemblies are arranged on the machine base and are sequentially arrayed fromleft to right. Each winding assembly comprises a slide groove formed in the machine base and communicating with the front portion and the top of the machine base. A detachable winding frame body capable of sliding leftwards and rightwards is arranged in each slide groove. Cam containing grooves are symmetrically formed in the left end wall and the right end wall of each slide groove. A drive cavity is formed in the portion, behind each cam containing groove, in the machine base. The novel textile machine is simple in overall structure and safe and reasonable in design, bobbins can slide leftwards and rightwards while rotating, and therefore it is avoided that the bobbins are wound into a pile during winding, and uniformity and stability of winding of the bobbins are increased; and the whole device is safe and reliable in operation, convenient and rapid to operate and convenient to detach, transport, repair and maintain.

The invention relates to an escape capsule air purifier for mine. The escape capsule air purifier comprises a wind power device, a filter and a housing. A wind inlet position on the housing is fixed with a wind inlet shield. An outlet shaft of a gear box is coupled with an input shaft of a turbine fan, and is supported through a housing inner wall bracket. The filter comprises seven absorption beds filled with seven drugs, a filter shell and two filter covers provided with seven holes. Both ends of an absorption bed shell are respectively fixed with absorption bed covers having a plurality of holes. Both ends of the filter shell are fixed with the filter covers. The absorption bed is arranged inside the absorption bed shell. The absorption bed covers are fixed inside the holes on the filter covers. An opening end of the housing is provided with a wind outlet shield. The drugs comprise a silica gel, a mixture of a silica gel and iron oxide, a mixture of a zeolite molecular sieve and methane bacteria, a zeolite molecular sieve, a mixture of organic diatomite and a platinum-titanium catalyst, a mixture of bentonite and synthetic nickel, and a mixture of organic diatomite and Thiobacillus denitrificans. The escape capsule air purifier of the present invention has characteristics of safety, rationality, simple operation, efficiency and reliability, and provides important significance for safety, danger avoidance and accident casualty rate reduction.

The invention discloses a workpiece gripper which comprises a mounting seat, a locking pillar in inserting connection to the mounting seat and an electricity connecting griper connected to the lockingpillar, wherein an electricity connecting terminal is arranged in the central position of the bottom end surface of the locking pillar, a first bevel angle surface is arranged on the right side of the bottom end surface of the locking pillar, a locking groove opened rightward is formed in the right end surface of the locking pillar, a sticking groove where the locking pillar is inserted for matched connection is formed in the central position of the top end surface of the mounting seat, and an electricity connecting hole in matched connection to the electricity connecting terminal is formed in the central position of the bottom end wall of the sticking groove. The workpiece gripper disclosed by the invention is simple in integral structure and safe and reasonable in design, and also can lock the electricity connecting gripper while electrifying the electricity connecting gripper to adsorb a workpiece, so that electric shock accidents as a result of electric phenomena, for example, theelectricity connecting gripper is electrified in poor contact and the like are avoided, and therefore, the electric shock accidents in existing life are reduced greatly, the electrifying safety and stability of the electricity connecting gripper are guaranteed, and the efficiency of the electricity connecting gripper to adsorb the workpiece is improved.

The present invention discloses a sensor network node carrying device. The device comprises a computer mainboard body, a network socket arranged at the top end face of the computer mainboard body andhaving an upward opening and a network crystal head body configured to plug in the network socket to be in fit connection for network supply. The bottom end face of the network crystal head body is provided with a first signal communicating set, and location grooves are symmetrically arranged at left and right end faces of the network crystal head body. The device is simple in whole structure, safe and reasonable in design and simple and convenient in network communication and disconnection of operation, there are two network connection indicating lamps for indication in off-network and on-network states so as to visually observe whether a used computer is in an on-network or off-network state or not, the locking and unlocking operation of the network crystal head body can be completed through one motor so as to greatly reduce the usage and production cost of the device and allow the network connection of the first signal connection set and the second signal connection set to be saferand more stable.

The invention discloses a third-generation novel solar cell. The third-generation novel solar cell comprises a base and an adjusting seat, wherein the adjusting seat is rotatably arranged on the base;a storage cell is detachably arranged at the left end of the adjusting seat; a solar cell panel is detachably arranged at the top end of the adjusting seat; and an inclined plane is arranged on the right side of the bottom end surface of the adjusting seat. While the solar cell panel is locked, the storage battery is locked; while locking of the solar cell panel is released, locking of the storage battery is also released; and therefore, assembling and disassembling efficiency of the solar cell panel and the storage battery are greatly improved, the labor intensity is reduced, assembling operation and disassembling operation are facilitated, and are implemented by automatic control, and the whole device is simple in integral structure and safe and reasonable in design.

The invention discloses unflavored steamed bun flour and a production method thereof. The unflavored steamed bun powder contains the following materials by weight percentage: 80-95% of middle-gluten wheat and 5-20% of strong-gluten wheat. The production method of the unflavored steamed bun powder includes the steps of: sieving the materials of wheat, removing the stones contained in the wheat, selecting, separating the buckwheat seeds, washing the wheat, wetting the wheat to get clean wheat, shelling the clean wheat for five times, sizing, tail grinding, purifying the flour for four times, purifying the flour again for two times, and core grinding for eight times. In this way, unflavored steamed bun flour can be obtained. The unflavored steamed bun powder dose not contain any additive, and is pure green food. The steamed bun made of the steamed bun flour has a bright, glossy and pure surface and delicate internal structure, good stiffness, big specific volume, good elasticity and tenacity, fragrant and sweet taste and strong flavor of wheat, and particularly, the steamed bun flour has high water absorption rate and high yield.

The invention discloses a side slope anchor rod anchoring method based on stress compensation. The side slope anchor rod anchoring method comprises the following steps: measuring the physical and mechanical parameters of a side slope body; monitoring the three-dimensional stress state of each point in a slope body through an instrument, then determining the arrangement position of an anchor rod and the anchoring force compensation direction in combination with the limit stress state of a monitoring point determined by the Mohr-Coulomb criterion; and according to the stress state of the slope under the given safety coefficient and the stress state obtained through actual monitoring, calculating to obtain an anchoring force compensation value required by the anchor rod and an anchor rod parameter value. According to the scheme, the arrangement range and direction of the anchor rods can be accurately determined, the anchoring force can be determined according to the slope stress distribution state when it is guaranteed that the slope reaches the target safety coefficient, the anchor rod arrangement scheme is designed more economically, reasonably and safely through the method, and higher practical and popularization value is achieved.

The invention specifically relates to an intelligent humidifier capable of being used as a night lamp. The intelligent humidifier capable of being used as the night lamp comprises a humidifier body, abase, an intelligent control device and an electroluminescent panel, wherein the electroluminescent panel is arranged at the outer side of the humidifier body, and the electroluminescent panel comprises an electroluminescent panel body, transparent heat insulation layers, a side edge sealing layer, a controller, and an outer power wire which is connected to the controller; the electroluminescentpanel body fits a humidifier body housing by shape; the transparent heat insulation layers are arranged at the inner side and the outer side of the electroluminescent panel body; the side edge sealinglayer is arranged at the side edge of the electroluminescent panel body; the electroluminescent panel body is sealed through the side edge sealing layer and the transparent heat insulation layers; the controller and the outer power wire are arranged at the back of the electroluminescent panel body; and the outer power wire is electrically connected to a switch which is arranged on the humidifierbody. The intelligent humidifier is capable of lighting at night, so that the intelligent humidifier can be used as the night lamp; the appearance is nice; the intelligent humidifier used as a humidifier can be used for decorating indoor environment.

The invention discloses an intelligent household robot. The intelligent household robot comprises a machine frame, wherein first vertical grooves are symmetrically formed in the machine frame in a left and right mode, a first transverse groove communicates between the two first vertical grooves, upper rotating shafts and lower rotating shafts extending forwards and backwards are symmetrically arranged in the first vertical grooves in an up and down mode, and the front and rear ends of the lower rotating shafts separately penetrate through the front and rear end walls of the first vertical grooves and extend out of the machine frame and are fixedly connected with rollers. The intelligent household robot is simple in overall structure, safe and reasonable in design, low in manufacturing cost, the left-right movement of the whole device can be automatically controlled, a brush frame used can be selected according to the direction of the left-right movement when the ground is cleaned by the left-right movement, the height of a dust suction head can be adjusted, better indoor ground cleaning operation is performed, intelligent household service is realized, traditional manual cleaning is completely replaced, the working efficiency is high, the operation of the whole device is safe and stable, and the needs of daily life of people is met.

The invention discloses a washing machine control method and a clothes washing system. A washing machine is in communication connection with an intelligent terminal, and includes an at-home work modeand an outgoing work mode; when the washing machine is switched to the outgoing work mode, the washing machine keeps a door locked after a clothes washing process, and waits for a control instructionissued by the intelligent terminal; and when the washing machine is switched to the at-home work mode, the washing machine unlocks door after the clothes washing process. Design is more reasonable andsafer in the washing machine remote control field, in the outgoing work mode, subsequent operations after the washing process of the washing machine is controlled to prevent clothes from wrinkling, provide convenience for a user, and further avoid the phenomenon that the user cannot further control the washing machine remotely if the washing machine is unlocked directly after washing; and the work mode is switched automatically according to distance between the intelligent terminal and the washing machine, and the intelligent level of the washing machine is improved.

The invention relates to one method for group coding on message data, which comprises the following steps: dividing groups and setting key; setting recycle displacement constant L and displacement parameter R for mode 2 and recycle displacement operation; setting and processing nonlinear conversion; setting and processing multi-dimensional conversion diffusion; setting codes formula wheel function; processing middle data as codes data set. The invention provides one group coding formula based on complete math theory.

The invention provides a one-out-of-four RJ45 port converter which comprises an output RJ45 network module, four input RJ45 network modules, a circuit board, a change-over switch, a base, a shell anda mounting bolt. The one-out-of-four RJ45 port converter solves the problem that when one computer needs to access a plurality of networks needing physical isolation, a network cable is manually inserted and drawn or a network card is started and switched. The converter has the advantages that working efficiency is improved, operating stability and reliability is enhanced, production cost is reduced, and operability is strong.

The invention discloses a method for processing a bone medicinal material. The method is used for processing the treatment bone medicinal material, a medicinal material processing apparatus is used inthe method, the medicinal material processing apparatus comprises an outer shell, a medicinal material processing chamber is arranged in the outer shell in a frontward and backward penetrating manner, a downward pushing device is arranged in the top end wall of the medicinal material processing chamber, a loading groove is arranged in the bottom end wall of the medicinal material processing chamber, a medicinal material storage box is detachably arranged in the loading device, a medicinal material storage chamber with an upward opening is arranged in the medicinal material storage box, and afirst electrically-controlled sucker is arranged in the bottom end wall of the loading groove. The apparatus has the advantages of simple integral structure, safety and reasonability in design, realization of automatic control of the processing of the medicinal material, effectiveness in improving the working efficiency of medicinal material processing, integration of the chopping and stirring functions of the medicinal material, great reduction of the production cost, and reduction of processing steps of the medicinal material.

The invention discloses an automatic valve mechanism for a washing and dehydrating integrated device. The automatic valve mechanism for the washing and dehydrating integrated device comprises a fixedbase and a device water tank main body which is fixedly installed on the fixed base, upwards extending polished rods are symmetrically arranged at the left end and the right end of the device water tank main body on the fixed base, a top support is fixedly arranged at the top of the polished rods, a valve driving main body is fixedly arranged in the middle of the top end surface of the top support, the top of the device water tank body is provided with a water inlet pipe, and the top of the water inlet pipe is provided with a water conveying pipe extending leftwards and rightwards, a valve cover is installed at the top of the water conveying pipe, and a water conveying hole with the left portion communicating with the right portion is arranged in the water conveying pipe. According to theautomatic valve mechanism for the washing and dehydrating integrated device, structure is simple, design is safe and reasonable, water delivery of the device water tank body can be automatically controlled, and the opening and closing work of manually operating the valve is avoided; operation is convenient and quickly, the matching and separation of a plug and a water inlet hole can be realized sothat the water conveying work in the device water tank main body can be timely controlled; and production cost is low, maintenance is convenient, and the device is suitable for popularization and use.

The invention discloses a controllable type coal clean burning device. The controllable type coal clean burning device comprises an installation seat, a burning furnace main body, a smashing box and an air blower, wherein the burning furnace main body, the smashing box and the air blower are fixed on the installation seat, the burning furnace main body is internally provided with a staged burningcavity, a burning beginning cavity and an ash falling cavity from top to bottom in sequence, the staged burning cavity, the burning beginning cavity and the ash falling cavity communicate with each other, the positions, corresponding to the right end face and the left end face of the burning beginning cavity, in the outer portion of the burning furnace main body are provided with a first air replenishing inlet and a burning raw material inlet correspondingly, and the positions, corresponding to the right end face of the staged burning cavity, in the outer portion of the burning furnace main body are provided with a second air replenishing inlet, a third air replenishing inlet and a fourth air replenishing inlet from bottom to top in sequence. The controllable type coal clean burning deviceis simple in overall structure and safe and reasonable in design, by means of the combined design of the burning furnace main body, the smashing box and the air blower, coal can be smashed before being burned, so that the coal is made to be burned more sufficiently, use of the coal for the same heating work is made to be less, furthermore, the content of poisonous waste gases generated in the coal burning process is made to be decreased, processing steps of coal burning treatment are simplified, and the processing time of the coal burning treatment is shortened.

The invention discloses a data leakage prevention system based on computer behavior. The system comprises a user information comparison module, a data type judging module judges whether the transmitted file is a confidential module file or a top-secret file when in use, If the file is confidential, a confidential file module transmits relevant electrical signals to a microprocessor, the microprocessor respectively triggers actions of a user identity input module and a confidential storage module, a user identity entry module displays a window on the computer display for user identity input, aconfidential storage module imports the internal personnel list of the operable confidential files into the microprocessor, the microprocessor compares the received identity information with the list,and if the comparison result is correct, the signal is transmitted to the user display module for confirmation of transmission; the comparison result improperly transmits the signal to a driver module, and the driver module prevents the file from outgoing and avoids the internal user from accessing and publishing the information under the unauthorized condition.

The invention discloses an intelligent water dispenser, which includes a fuselage system, a water treatment system and a control system; the fuselage system includes a fuselage and a water drying tank arranged on the upper part of the fuselage. Outlet faucet; the water treatment system includes a first solenoid valve, the first solenoid valve is respectively connected to the water inlet, the water pump and one end of the heat dissipation pipe, and the water pump pipeline is connected to the heating pipe connected to the second solenoid valve pipeline. The second electromagnetic valve pipeline is connected to the water outlet tap, the inside of the water tank and the drain of the fuselage; the other end of the heat pipe is connected to the bottom of the water tank; the first electromagnetic valve, water pump, heater and the second The solenoid valves are each electrically connected to the control system. The design of the invention is reasonable and safe: it can avoid thousands of boiling water, yin and yang water, and raw water, and can also obtain hot water, warm water of various temperatures and cold boiled water that is most beneficial to human health at any time and conveniently; the invention has high intelligence and reasonable design , Strong reliability.

The present invention relates to an optimized measurement method for bolt reinforcement parameters of rock mass slopes, in particular to an optimized measurement method for rock mass slope reinforcement parameters with double sliding surfaces in the same direction, which belongs to rock slope stability evaluation and Landslide reinforcement and prevention field. An optimized method for determining the reinforcement parameters of rock mass slopes with double sliding surfaces, step 1: determining the basic morphological elements and physical and mechanical parameters of the slope to be reinforced; step 2: determining the overall stability coefficient of the rock mass slope; Three: Determine the rock mass slope stability correction coefficient, step four: determine the bolt layout and anchor bolt reinforcement anti-sliding force value, step five: determine the optimal incident angle of the prestressed anchor bolt of the rock mass slope, step six: determine the rock mass slope Reasonable anchoring length of body anchor. The beneficial effect of the invention is that the method can not only accurately measure the incident angle of the anchor rod, the radius of the anchor body and the anchor length, but also it is more economical, reasonable and safe to use the method to design the prestressed anchor rod.

The invention relates to the fields of slope stability evaluation, landslide reinforcement and prevention, and relates to a method for optimizing and measuring rock slope prestressed bolt reinforcement parameters, comprising the following steps: step 1, determining the basic physical and mechanical parameters of the slope to be reinforced; Step 2, determine the rock mass slope stability coefficient; Step 3, determine the rock mass slope stability correction coefficient; Step 4, determine the bolt layout and bolt reinforcement anti-sliding force value; Step 5, rock mass slope prestress Determination of the optimal incident angle of the bolt; Step 6, determine the quantitative relationship between the bond strength of the rock anchor and its uniaxial compressive strength; Step 7, determine the optimal anchoring length of the prestressed bolt; Step 8, determine the optimal anchoring length of the prestressed bolt Design overall length. The invention has good economic benefit and practical value in slope reinforcement engineering, not only can accurately measure the incident angle and anchorage length of anchor bolts, but also it is more economical, reasonable and safe to use the method to design prestressed anchor bolts.

The invention discloses an effective monitoring system for factory area, comprises a mounting block fixedly mounted on a building wall and a bracket fixedly connected with the mounting block, characterized in that a support plate is fixedly arranged on the left side of the top of the bracket, a first cover plate is fixedly arranged on the top of the right side of the support plate, a first cover plate groove is arranged on the bottom end surface of the first cover plate, and a second cover plate groove communicated with the first cover plate groove is arranged on the right end of the first cover plate; The advantage of that invention are simple structure, Safe and reasonable design, the position of the monitoring probe in the left-right direction and the rotational angle position can be automatically adjusted, and can also adjust the height of the monitoring probe, so as to enable the monitoring probe to carry out omni-directional monitoring in the plant area, The first cover plate andthe second cover plate can play better functions of rain prevention, sun shading and dust prevention, and the service life of the monitoring probe is increased, so that the investment cost of the factory is reduced. The whole device is safe and stable in operation, simple and convenient in operation, and suitable for use in a large-scale factory area.

The invention discloses a medical processing device for the orthopedics department. The medical processing device comprises a device shell. Supporting columns fixedly connected with the device shell are symmetrically arranged at the left end and the right end of the bottom of the device shell. A top cover plate extending to the left and right ends is arranged at the top of the device shell. A cutting groove extending up and down is formed in the device shell. A cutting frame body capable of sliding up and down is arranged in the cutting groove. According to the medical processing device, the overall structure is simple, and design is safe and reasonable; medicinal materials can be automatically processed, and the working efficiency of medicinal material processing is effectively improved;and the medicinal material cutting and smashing functions are integrally combined, so that the processing steps and the production cost are greatly reduced, the input of manpower resources is reduced,operation is convenient and fast, and the medical processing device is suitable for use and promotion.

The invention discloses a novel traffic guide device convenient to replace, and the device includes a main frame body, a bayonet pin in plugging connection with the main frame body, and an indicator light connected with the bayonet pin. The center of the bottom end surface of the bayonet pin is provided with a power transmitting end block, and the right side of the bottom end face of the bayonet pin is provided with a first slope surface. A locking groove with the opening facing the right is disposed in the right end surface of the bayonet pin, and a clamping cavity which is used for the plugging cooperative connection of the bayonet pin is disposed at the center of the top end surface of the main frame body, and a central portion of the bottom end wall of the clamping cavity is provided with a power transmitting hole for cooperative connection with the power transmitting end block. The device is simple in overall structure, is safe and reasonable in design, achieves the locking of theindicator light while turning on the indicator light, avoids the electric shock accidents caused by the poor power-on contact of the indicator light, greatly reduces the electric shock accidents in life, guarantees the power-on safety and stability of the indicator light, and improves the application efficiency of the indicator light.

The invention discloses punching equipment. The punching equipment comprises a machine body. Supporting legs are fixedly arranged on the periphery of the bottom face of the machine body. Movable rolling wheels are fixedly arranged at the bottoms of the supporting legs. Damper brakes used for fixing the movable rolling wheels are fixedly arranged at the outer sides of the bottoms of the supportinglegs. A first slippage groove and a containing groove are formed in the machine body. A first through groove and a second through groove are formed between the first slippage groove and the containinggroove in a connecting mode. The first through groove is located in the left side of the second through groove. An exiting groove and an entering groove connected with the outside of the machine bodyare equally formed in the left end and the right end of the bottom of the first slippage groove. A punching slippage block capable of sliding up and down is formed in the first slippage groove. Firstcontaining grooves are equally formed in the left end wall and the right end wall of the first slippage groove. The punching equipment is simple in overall structure, safe and reasonable in design and low in manufacturing and production cost. The punching equipment is accurate in punching machining precision, high in stability and capable of decreasing defective goods produced in the board punching process.

The invention discloses a supercharging device and method suitable for an underground coal mine single hydraulic prop. The supercharging device comprises a first oil cylinder, a second oil cylinder, afirst operation and control valve, a second operation and control valve, a liquid storage container, a water inlet pipe, a water return pipe, a plurality of high-pressure stop valves and a pluralityof non-return valves; and the first operation and control valve controls the first oil cylinder, and the second operation and control valve controls the second oil cylinder. The supercharging device and method suitable for the underground coal mine single hydraulic prop are based on static-pressure water pipes arranged at excavation points of an underground coal mine, the water pressure of 2.5MPain the static water pipes is adopted as initial pressure, a ratio of an inner diameter section of an upper cylinder body B of the second oil cylinder to an inner diameter section of a lower cylinder body B of the second cylinder body is used, when static water of 2.5 MPa pushes the upper end of a piston rod B, force at the upper end of the piston rod B is transmitted to the lower end of the pistonrod B, the lower end of the piston rod B generates pressure of 15MPa towards emulsion-containing static water, the emulsion-containing static water further acts on the single hydraulic prop, the pressure of the single hydraulic prop can achieve 13-15MPa, and the purpose of supercharging molding is achieved.