118results about How to "Avoid Personal Injury Accidents" patented technology

The invention relates to a man-machine latch-up protection system in coal mine digging work area. The latch-up protection system is based on the detection principle of a pyroelectricitic sensor and is capable of monitoring the operation dangerous areas of a loading machine on a coal face and an entry driving machine on a driving face through the reasonable installation and configuration of infrared sensors and a complete set of devices. If anyone enters the areas, the latch-up protection system gives off an alarm and simultaneously outputs a latch-up control signal, cuts off a power supply immediately, and stops the running of the loading machine or the entry driving machine or forbids the machines from running, thereby better ensuring the safety of the personnel in the digging work area, and effectively avoiding the bodily injury accidents in the coal face loading machine operation area and the driving face entry driving machine operation area. The system adopts the infrared detection technology and corresponding devices and does not give off any type of radiation. The system has the low power consumption of devices, good invisibility, and a low price. When the latch-up protection system is installed and put into use, the latch-up protection system puts an end to the unnecessary injury caused by manual operation errors, improves the reliability of mechanical injury protection in the corresponding areas, and realizes the intrinsic safety of the corresponding areas.

The invention discloses an auxiliary picking device for picking fruit aloft. The picking device includes a tong, a handle and a connecting rod for connecting the tong and the handle, wherein the connecting rod is composed of an inner rod and an external rod sleeved outside the inner rod; one end of the handle is provided with a baffle, and one end of the inner rod is fixedly connected with the baffle, and meanwhile, the bottom of the tong is hinged with the other end of the inner rod and one end of the external rod; when the tong is under a rest state, the other end of the external rod is abutted against the baffle. The picking device adopts a structure with two sections of flexible rods, and when the inner rod and the external rod are reversely pulled, the tong is pushed to close by the external rod, therefore a fruit body is completely grasped; otherwise, the tong is opened to release the fruit body. By using the two sections of flexible rods to cooperate to grasp, the movement of closure and opening is stable and highly reliable. Since the auxiliary picking device adopts a strap and a baseboard provided with a cardan joint and a picking track, instead of repetitively raising up the picking device, users only need to appropriately control the picking device to move in the picking track then adjust the height of the picking device at disposal to pick fruit. Therefore, pickers' labor intensity is decreased, and the picking efficiency is improved.

The invention provides a fixture for abrasive flow polishing of a blisk. The fixture consists of an upper disc tray, a lower disk tray, an outer wheel hub sealing ring, an inner wheel hub sealing ring, front blade edge sealing gaskets and rear blade edge sealing gaskets, wherein the upper disc tray and the lower disk tray consist of inner and outer concentric rotating bodies, sealing gasket bases are fixed in the disc trays and are in one-to-one correspondence with blades, and the front blade edge sealing gaskets and the rear blade edge sealing gaskets are fixed in the sealing gasket bases; and the outer wheel hub sealing ring and the inner wheel hub sealing ring fill gaps between the upper and lower disk trays and inner and outer wheel hubs of the blisk to be polished. According to the invention, the flow of abrasive materials is correctly guided, the abrasive materials are prevented from damaging the front and rear edge profiles of the blades during an abrasive polishing process, the blisk is prevented from deforming due to excessive stress caused by the factor that upper and lower cylinders pushes a piston at high pressure to extrude the abrasive materials during a blisk polishing process, the air impermeability of the fixture is improved, and work environment pollution caused by abrasive material leakage and possible physical injury accidents are prevented.

The present invention discloses method of and device for setting carbon, temperature and oxygen detecting probe in steel making converter. Carbon, temperature and oxygen detecting probe is set into steel making converter obliquely via the material feeding pipe in the sealing fume hood. The device includes a frame, a probe bin, a paper tube turning tank, a paper tube guiding board, a paper tube pusher, a probe guide pipe, and a paper tube holder. The present invention has low cost, simple operation and easy application in automatic smelting process, and may be applied in replacing available detection.

The invention discloses a process method for combining a prefabricated member by paving ceramic tiles in advance. The process method comprises a concrete pouring process, and is characterized by comprising the following steps of: paving a bonding plane of ceramic tiles and a wall body on the bottom surface of a wood die; partitioning the ceramic tiles with a sponge strip; bonding a curing adhesive tape on the surfaces of the ceramic tiles to form a plate block; paving the curing adhesive tape surface of the plate block on a platform according to the size of the prefabricated member for splicing; putting into a steel reinforcement cage for pouring concrete; performing integral steam curing for 10-15 hours; and removing the curing adhesive tape and the sponge strip, and performing natural cutting for 28-30 days. Compared with the prior art, the process method has the advantages that: the connecting strength and durability of the ceramic tiles and the wall body are ensured, the construction period is shortened, the efficiency is increased by 150 percent, potential safety hazards such as fall of the ceramic tiles and the like are eliminated, and personal injury accidents are avoided.

The invention discloses a special recycle bin of bottle type, which belongs to the domestic garbage recovery device and is composed of a drive mechanism, an extrusion mechanism, a security system and an electronic control system. A storage box (24) is arranged on the bottom in a frame (1); a spring assembly (25) and a pressure switch (26) are mounted below the storage box and a motor installing plate (7) and right support plate (18) are mounted on the storage box; an electric motor (5) and a left bracket (8) are arranged on the motor installing plate; a guide pole (6) is provided between the left bracket (8) and the right support plate (18); a dynamic pressure plate (10) and a static pressure plate (11) are suited on the two pieces of guide poles (6); an anti-overloading pressure spring (12) is provided on the guide pole between the static pressure plate and the right support plate; a halved bottom plate (23) is articulated below the dynamic pressure plate and the static pressure plate through a shaft hinge (20); a drive mechanism (4) is arranged on the motor to drive a screw pair to drive the dynamic pressure plate to extrude, which makes the waste of bottle type store after automatically squeeze in the bin, makes the storage volume in the bin increased, prolongs the recycling and cleaning period and is suitable for the recycling of the garbage of bottle type.

The invention relates to an intelligent well lid with ground medium publicity and safety monitoring functions. The intelligent well lid comprises a well lid base and a well lid body, a well lid hole for containing the well lid body is formed in the middle portion of the well lid base, a semicircular clamping groove with an opening in the upper portion is formed in the circumferential side of the well lid hole, and the semicircular clamping groove is low in inner edge and high in outer edge; and a protruding edge is arranged at the lower portion of the circumferential side of the well lid body, and the protruding edge is clamped into the semicircular clamping groove when the well lid body and the well lid hole are closed in a covering manner. The protruding edge and the semicircular clamping groove are tightly matched, the well lid body can be firmly clamped, the well lid body cannot turn over to one side, and the safety and reliability are high.

The invention relates to a composite transformation ratio current transformer in an electric energy metering device, i.e., a composite-ratio current transformer, specifically to a composite-ratio current transformer with an on-line intelligent switching function, and solves the problem that an existing composite-ratio current transformer cannot realize on-line automatic switching. The composite-ratio current transformer with the on-line intelligent switching function includes a composite-ratio current transformer body CT, a sampling current transformer CT1, an RMS processing circuit module, anA/D conversion module, an MCU microprocessor with an input port, a control relay JK, a protective relay JB, a large and small transformation ratio sharing power-off time delay relay J2 and a large-transformation ratio power-off time delay relay J1. The composite-ratio current transformation provided by the invention can realize on-line automatic switching of the transformation ratio, and has protective measures of preventing a secondary open circuit; and the structural design is reasonable and unique, the problem that an existing composite-ratio current transformer cannot realize on-line automatic switching is solved, equipment damage and personal injury accidents can be effectively avoided. The Composite-ratio current transformer is suitable for an electric energy metering device.

The invention relates to an anti-electrostatic crane tube telescopic oil drain device, nylon is taken as material of a telescopic sleeve, a connecting tube is welded at the lower end of a crane tube, a fixed tube is in threaded connection with the connecting tube, a shoulder is arranged at the lower end of the fixed tube, the telescopic sleeve consists of a plurality of levels by mutual sheathing, the shoulder is arranged at the lower end of each level of the telescopic sleeve, the plurality of levels of the telescopic sleeves are mutually hung at the shoulders, the first level of the telescopic sleeve is sheathed outside the fixed tube, the lower end of a spring is hung on the lower side outside the lowest level of the telescopic sleeve, the upper end of the spring is hung on a spring bracket, the spring bracket is welded on the connecting tube, the lower end of a support is fixed outside the lowest level of the telescopic sleeve, the upper end of the support is hung on a hanging rod, the hanging rod is fixed on the crane tube, a seal ring is mounted between each two levels of the telescopic sleeves, and the seal ring is mounted between the fixed tube and the first level of the telescopic sleeve. The plurality of levels of the telescopic sleeves are combined together and can contract and expand, thereby meeting the requirement on extending into an inlet of an oil pulling tank truck; and the telescopic sleeve is made of the nylon material, thereby avoiding producing static electricity when in contact with the inlet of the oil pulling tank truck, preventing combustion of combustible gas and explosion, and avoiding economic loss, personal injuries and accidents.

The invention relates to a recyclable SF6 gas discharging device which comprises a gas recycling bottle, a high-pressure gas pump communicated with the gas recycling bottle through a first high-density plastic pipe, and a gas flow control valve communicated with the high-pressure gas pump through a second high-density plastic pipe. The recyclable SF6 gas discharging device is convenient to carry and easy to operate; the working efficiency is greatly improved; the human safety is guaranteed; the environment pollution is avoided; the signal transmission precision is guaranteed, and the working efficiency is effectively improved; discharged SF6 gas can be recycled; the SF6 gas is prevented from being directly discharged and harming the human safety; the atmospheric environment is protected; and the green and environmentally-friendly overhaul is realized.

The invention provides a high-depth winze shaft blocking state observation monitoring method. An observe cannon hole communicated with a high-depth winze is drilled, a flowing situation of ore in the high-depth winze when the ore is placed is observed through a voice and video frequency monitoring system after the high-depth winze is blocked, a vertical distance between a falling ore face and a central position of a cross position of the observe cannon hole and the high-depth winze, quantity of ore reserve is calculated, and the vertical distance between an ore face and the central position of the cross position of the observe cannon hole and the high-depth winze meets a setting distance requirements; a blocking position of the ore in the high-depth winze is measured; a blocking arc in a high-depth winze shaft is monitored, and stability degree of the blocking arc is judged. The high-depth winze shaft blocking state observation monitoring method provides scientific and reasonable basis for preparing a scheme to dredge the winze, and greatly improves safety work environment and labor strength of operating personnel and is accurate in ore placing control.

The invention relates to a self-insulation building block molding machine and a production method thereof. The existing self-insulation building block molding equipment is low in efficiency, low in the rate of finished products, and not favorable for personal safety. Therefore, the self-insulation building block molding machine comprises a material distributing device and an extrusion molding device, wherein an insulation block inserting rod is arranged under every insulation block protecting plate, and the insulation block inserting rods vertically extend into insulation block areas; an insulation block feeding elastic platform which is arranged on one side of the extrusion molding device comprises a pedestal, a platform and a guide rail, wherein the guide rail is arranged on the pedestal, the platform is erected on the guide rail, N groups of insulation block placing slots are formed in the platform, the layout of the insulation block placing slots is in one-to-one correspondence to the layout of the insulation block areas under a lower die top plate, after the lower die rises, the platform can extend into or withdraw from an underneath position of a lower die. The invention also relates to a corresponding method for producing self-insulation building blocks. The self-insulation building block molding machine has the advantages of high safety, high efficiency and high rate of finished products and is suitable for producing the self-insulation building blocks with various specifications.

The invention provides a backstop device of a wood sawing machine, and the backstop device is reasonable in structure, safe and reliable in use and capable of effectively preventing wood from moving backwards. The backstop device comprises a backstop seat body and a backstop claw, wherein the backstop seat body is arranged above a wood input mechanism on a wood sawing machine case, the backstop claw is arranged on the backstop seat body and can swing up and down through a rotating shaft, the lower surface of the backstop claw is an arc face which is evenly provided with backstop saw teeth, and the arc circle center of the arc face deviates from the axis of the rotating shaft.

The invention discloses a layout method of overhaul safety measures for a double-bus and double-section power supply system of a substation. The method comprises the following steps: 11) loop closingand inverting the bus bar; 12) switching that low-voltage alternating current pow supply; 13) switching each switch cabinet of that bus bar to be overhauled to a hot standby state; 14) switching eachswitch cabinet to a cold standby state; 15) switching that voltage transformer to a cold standby state; 16) switching that station transformer to a cold standby state; 17) Installing the ground wire;18) disconnecting that direct current power supply screen to remove the direct current control power circuit breaker and the closing power circuit breaker of the bus bar to be overhaul; 19) Disconnecting the low-voltage alternating current screen and go to the low-voltage alternating current circuit breakers of each switch cabinet of the bus bar to be inspected and repaired. The method for arranging maintenance safety measures of the power supply system has the advantages of fast and efficient switching operation, complete arrangement of maintenance safety measures, and can effectively avoid the occurrence of switching misoperation and personal injury accidents, and ensure the safety of equipment maintenance operation.

The invention discloses a governor vessel therapeutic instrument including a central processing unit, a D/A conversion circuit, a signal amplifying circuit, a power amplifying circuit, a multi-output switching circuit and a probe electrode, the output end of the central processing unit is connected with the probe electrode through the D/A conversion circuit, the signal amplifying circuit, the power amplifying circuit, the multi-output switching circuit in order, the therapeutic instrument also includes a signal acquisition feedback circuit, a probe drop-off monitoring and cut-off circuit, and an alarm circuit, and the output waveform of the power amplifying circuit, after the modulation, can be a single waveform or a combined waveform of square wave, sine wave, triangular wave, index wave, and undamped wave. The therapeutic instrument realizes the output of signals in various frequencies through the sequential control to form various treatment prescriptions for treating various different patients; and can automatically cut off the circuit and send an alarm when the probe comes off to guarantee the safety of equipment and personnel. The therapeutic instrument reduces blood pressure by massaging the governor vessel, is safe and has no side effects.

The invention discloses a safety protection device of a rolling mill press head. The invention is achieved through the technical scheme that a press lead screw of a platform on the top of a rolling mill is connected with a press head, wherein two sides of the press head are respectively welded with a hanging ring, and the hanging rings are respectively connected together with the platform on the top of the rolling mill respectively through a U-shaped lock and a steel wire rope. According to the invention, grave personal injury accidents caused by the fall-off of the press head after a press head fixing bolt is broken off is avoided so that safe production is realized.

The invention provides a rubber slab with anticorrosion lining special for sodium hypochlorite, and main auxiliary raw materials comprises the following components by weight: 100 parts of butyl rubber, 30-40 parts of carbon black N774, 40-50 parts of carbon black N990, 3-8 parts of eleaostearic acids, 6-10 parts of polyethylene wax, 15-20 parts of barium sulfate, 4-8 parts of paraffin oil, 6-10 parts of rosin and 1-2 parts of promoter TT. The invention can effectively avoid running, emerging, dropping and leaking phenomenon in factory, and avoid generation of personal damage accidents, and reduce production cost with social benefits. The invention is especially suitable for storing sodium hypochlorite solution in the chemical production process and producing anticorrosion lining of reaction equipment.

The invention discloses a safety protection device for an automobile conveying line. The safety protection device comprises a fixing frame and a conveying mechanism. The fixing frame is located on oneside of the conveying mechanism. The conveying mechanism comprises two oppositely-distributed supporting frames, supporting rods oppositely fixed to the inner surfaces of the supporting frames and the conveying line located on the inner sides of the two supporting rods. In the safety protection device, a protection mechanism for protecting automobiles on the conveying line is additionally designed, protection for the automobile conveying line is improved through protection plates, the safety management level is improved, the personal hurt accident is eradiated, nature protection on operatorsis achieved, and mind and body safety of the operators is effectively guaranteed. Through the arrangement of a supporting adjusting mechanism, the relative height of a supporting plate and a fixing plate can be better adjusted according to conveying lines different in height; and a stabilization mechanism is fixed to the bottom, between the fixing frame and the conveying mechanism, of the supporting plate, so that when the automobiles pass through the supporting plate, the supporting plate is strengthened, and supporting plate damage is reduced.

The invention discloses a full-automatic firework grain pressing device. The device comprises a pressing plate and a charging plate which are driven by an oil press, a fixed base plate and jacking columns on the base plate. The pressing plate, the base plate and the jacking columns are matched in an inverted mode. A working panel is arranged between the pressing plate and the base plate, the charging plate is arranged in the middle of the working panel, the charging plate is provided with a vibrator, the working panel is provided with a medicine applying frame making close contact with the surface of the working panel, and the medicine applying frame does reciprocating motion along a transverse guide rail. The whole work process of grain pressing can be completed in a full-automatic mode,raw materials are remotely conveyed to a work site, finished products are conveyed out of the work site immediately, and the possibility that personal injury accidents are produced is completely eradicated, the components are simple in action, stable in work and reliable in operation, the whole production process needs no manual intervention, and it is ensured that no potential safety hazard is produced; and the requirement for full-automatic production is met, and the grain oil pressing work procedure is simplified on the basis of ensuring safety.