852results about How to "Avoid hurting" patented technology

The invention discloses an escape automatic window-breaking system for a passenger vehicle and a control method thereof and belongs to the technical field of safety control of passenger vehicles. Glass embedded with electric heating wires is mounted on a vehicle window of the escape automatic window breaking system for the passenger vehicle, the electric heating wires are connected to a power supply of the passenger vehicle through a power supply main line, and an automatic control system is arranged on the power supply main line. The control method of the escape automatic window breaking system for the passenger vehicle, disclosed by the invention, comprises the following steps: respectively comparing a temperature value T in the vehicle, a smoke fog concentration value Sm and an external impact force P with preset critical values and processing through a controller according to all the values. The escape automatic window-breaking system for the passenger vehicle, disclosed by the invention, can be used for increasing the safety coefficient of the passenger vehicle and protecting the life safety of passengers to the greatest extent, and has important significance in reducing casualties and is wide in application range; and according to the control method of the escape automatic window breaking system for the passenger vehicle, disclosed by the invention, both an automatic control window breaking way and a manual switching way can be realized, and the safety and reliability of the window breaking system can be fully ensured.

The invention relates to the technical field of mining security, and particularly relates to a method for constructing a mining impact-resisting sealed wall. The method adopts simpler and more convenient construction procedures, and light foam concrete is filled, so that the wall has the advantages of light weight, large bearing ability, strong flexibility, fire resistance and the like. The method is simple and convenient to construct, rapid in construction speed, good in construction effect; and the sealed wall has the advantages of good impermeability and good impact-resistance and fire-resistance.

The invention discloses a four-roller coal cutter adopting a double-roller cutting parts. The four-roller coal cutter comprises a right cutting part and a left cutting part which have the same structure, a right drawing part and a left drawing part which have the same structure, a right traveling part and left traveling part which have the same structure, as well as a middle control cabinet, wherein each cutting part comprises two cutting rollers, namely a dextrorotary cutting roller and a laevorotatory cutting roller; the rotation directions of each dextrorotary cutting roller and each laevorotatory cutting roller are opposite. According to the coal cutter adopting double- roller cutting part, provided by the invention, the two rollers are arranged on each cutting part, so that the total coal accommodating ratio is increased; the rotation directions of every two cutting rollers are opposite, so that the radial ejection of a coal block can be effectively prevented, and coal charging is further facilitated; the coal cutting and charging efficiency is greatly improved, the cutting teeth utilization ratio is improved, the service life of the whole machine is prolonged, the operation of the whole machine is stable, the coal charging effect is excellent, and the failure rate is low.

The invention discloses a multi-level back-grasp-type hollow anchor rod. The multi-level back-grasp-type hollow anchor rod comprises an anchoring rod with a grouting passage inside, an anchor head is fixed at the lower end of the anchoring rod, a plurality of back-grasp buckles are fixed on the anchoring rod, a grout outlet is formed in the anchor head, and the parts, at the upper side of the back-grasp buckles, of the anchoring rod and the parts, at the lower side of the back-grasp buckles, of the anchoring rod are provided with grout outlets and air return holes respectively, and the grout outlets and the air return holes are communicated with the grouting passage. Compared with the construction method of a hard rock body and a soil body, the construction method of the multi-level back-grasp-type hollow anchor rod comprises the steps of (a) preparation of equipment, (b) measurement and distribution of holes, (c) drilling, (d) hole cleaning and detection, (e) inserting of the anchor rod, (f) installation of a grout stop plug, (g) screwing of nuts and (h) grouting, and the anchor rod is directly inserted through the anchor head according to the construction method of a soft soil body, sand and water. The multi-level back-grasp-type hollow anchor rod and the construction method of the multi-level back-grasp-type hollow anchor rod increase the contact area and anchoring force between the anchor rod and the hole wall and prevent the anchor rod from falling out and injuring people. A uniform cement mortar layer can be formed around the anchor rod through the grout outlets and the air return holes, the damage of corrosion is avoided, and the purpose of long-time supporting is achieved.

The invention discloses a special examination device for animal husbandry and veterinary. The examination device comprises a worktable, a support tube, a lifting rod, a rack, a motor, a gear, a connecting block, a support plate, leg fixing mechanisms, a head fixing mechanism, limit blocks and sponge cushions, wherein the support tube is embedded in the middle of the upper end of the worktable; thelifting rod is arranged in the support tube; the rack is arranged at one end of the lifting rod; the motor is arranged on the side, opposite to the support tube, of the lower end of the worktable; the gear is arranged at one end of the motor, penetrates the side wall of the support tube and is meshed with the rack; the connecting block is arranged at the upper end of the lifting rod; the supportplate is arranged at the upper end of the connecting block. The examination device can be used for examination fixing of animals in different body forms, realizes firm fixing and is fast and simple tooperate, discomfort can be avoided during animal fixing under the condition that people injury by an animal is prevented by abdomen lifting and multi-position fixing of legs and head of the animal, and accordingly, examination work of a veterinarian is facilitated.

The invention discloses a welded steel pipe welding groove flatly-cutting device capable of being stably fixed. The device comprises a base, a lower rack, an upper rack, a left clamping block, a rightclamping block, a movable sliding frame, a driving motor, a cam and a cutting motor. The other end of a first telescopic rod is in threaded connection with the left clamping block, one end of a second connection rod is in threaded connection with a second telescopic rod, the other end of the second telescopic rod is in threaded connection with the right clamping block, an output shaft of the driving motor is provided with the cam forwards through interference fit, the movable sliding fame is installed on a second supporting column in a sliding mode, a cutting motor is fixedly installed insidea fixing support, and an output shaft of the cutting motor is connected with a cutting wheel. The left clamping block and the right clamping block are arranged to achieve the effect of clamping a steel pipe, the steel pipe is prevented from being shifted in the cutting process, on one hand, cutting precision can be ensured, on the other hand, the steel pipe can be prevented from being popped outto injure people in the cutting process, and therefore operation safety is greatly improved.

A novel photovoltaic pavement power generation module disclosed by the present invention comprises a power generation assembly used for the photovoltaic power generation, a light transmission bearinglayer used for a pavement load layer and used for protecting a photovoltaic power generation assembly, a supporting layer used for supporting the light transmission bearing layer, and a frame used forfixing the light transmission bearing layer and the supporting layer. A first interval is arranged between the light transmission bearing layer and the supporting layer, and the power generation assembly and a first colloid arranged along the circumferential side of the power generation assembly are arranged in the first interval. The frame is arranged at the circumferential sides of the light transmission bearing layer and the supporting layer and forms a second interval, a second colloid is arranged in the second interval, and the top of the frame does not exceed the surface of the light transmission bearing layer. The beneficial effects of the present invention are that the photovoltaic pavement power generation module has the characteristics of being high in intensity and good in economy, being deformation resistant, anti-skid, waterproof and wear resistant, a novel power generation form, namely the photovoltaic pavement power generation is formed in the photovoltaic building integrated application, and the effective development and utilization of the road illumination resources can be realized on the condition of not influencing the normal usage functions of the roads.

The present invention relates to heat insulating sun light house with opening sky light. The sun light house has vertical frame and top frame of aluminum alloy as well as sandwiched glass plates embedded in the frames. The vertical frame consists of columns and beams assembled together; and the top frame consists of rafters and purlins. The top frame is supported on the rack and the vertical frame, and the rack is one angled beam. The present invention may be used widely as house, public building, restaurant, green house, exhibition room, etc.

The invention discloses a moxibustion system with a fully-automatic moxibustion mechanical arm. The moxibustion system comprises a moxibustion mechanical arm, a control box, a temperature sensor, a distance sensor, a camera and a control panel, wherein the moxibustion mechanical arm is used for controlling a moxibustion stick in a moxibustion box to carry out moxibustion; the control box is connected with a power mechanism of the moxibustion mechanical arm; the temperature sensor is used for detecting the temperature of the moxibustion stick and is connected with the control box; the distancesensor is used for detecting the distance between the moxibustion box and a moxibustion surface of a human body and is connected with the control box; the camera is used for shooting the moxibustion condition of the human body and is connected with the control box; the control panel is connected with the control box and is used for a person receiving moxibustion to watch the moxibustion conditionand freely set a moxibustion path; and the control panel is provided with an emergency key for rapid return to an original point. By controlling the moxibustion mechanical arm via the control box, various moxibustion modes such as circling moxibustion, mild moxibustion and bird-pecking moxibustion are realized, rapid return to the original position can be realized by the emergency key to prevent the mechanical arm from losing control and injuring people, and the person receiving moxibustion can freely set the moxibustion path.

The invention discloses a full-automatic cooking robot which comprises an upper machine position and a lower machine position, wherein a rice storage barn is arranged on the upper machine position; a rice taking system is arranged on a base plate of the upper machine position, is connected with a draining hole of the rice storage barn and is driven by a motor; a cleaning stirring system is arranged on the base plate of the upper machine position and is driven by the motor; a water adding and draining system is arranged on the base plate of the upper machine position; one end of a water pipe is connected with a water resource while the other end of the water pipe is connected with a cleaning stirring device; a heating cooking device is arranged on the lower machine position and is driven to enter or exit from the lower machine position by the motor; a liner pot lifting system is arranged at the bottom in the heating cooking device and is driven to lift up and down by the motor; a weighing system is arranged on the upper part of the liner pot lifting system; a liner cover is arranged in the lower machine position and is driven to enter or exit from the lower machine position by the motor on the upper machine position. The full-automatic cooking robot can achieve the aim that the whole cooking process can be completed on time by only sending an instruction to the cooking robot without manually taking rice, adding water, washing rice, and the like during the modern cooking process.

The invention discloses a workpiece polishing device comprising a machine frame. The machine frame is connected with polishing rollers, a reciprocating air cylinder, a first limiting switch and a second limiting switch. The reciprocating air cylinder is provided with a telescopic rod. A clamping jaw is arranged on the telescopic rod. The telescopic rod is provided with a connecting rod and connected with a rack. The rack is meshed with a gear. The gear is coaxially connected with a first rolling wheel. The first rolling wheel is provided with a second rolling wheel through belt tensioning. The second rolling wheel is coaxially connected with an impeller. The impeller is provided with a seal shell. The seal shell communicates with a first t-branch pipe and a second t-branch pipe. The first t-branch pipe communicates with a first collecting bag and a first forked pipe. Pipe openings of the first forked pipe are located at feeding openings of the polishing rollers. The second t-branch pipe communicates with a second collecting bag and a second forked pipe. Pipe openings of the second forked pipe are located at discharging openings of the polishing rollers. Stop sheets are arranged in both the first t-branch pipe and the second t-branch pipe. Compared with the prior art, the workpiece polishing device improves the work efficiency of polishing and collects generated iron chips.

The invention belongs to the technical field of the underground coal mine fully-mechanized excavating face temporary support. In order to solve the above problem existing in the current underground coal mine temporary support, the invention provides arch tunnel drivage non-repeated-support self-moving complete equipment. The arch tunnel drivage non-repeated-support self-moving complete equipment comprises a heading machine, a support lifting platform and a plurality of external support devices. The external support devices use an arch support matched with an arch drivage tunnel. The external support devices are mutually parallel, and are installed across the heading machine to form the support to the arch drivage tunnel. The support lifting platform is installed at the top of the heading machine and can be freely ascended and descended to contact with the upper part of the external support devices. The external support devices can be forwards pushed to the front end of the heading machine along a travel line of tunneling along with the support lifting platform after contacting with the support lifting platform. The arch tunnel drivage non-repeated-support self-moving complete equipment is capable of creating reliable and flexible support conditions for the safe and high-efficient mining of a driving working face, realizing the non-repeated-support to a top board, and guaranteeing the integrity of the top board, and has the important significance of completing a mechanical mining technology of the tunneling face, and improving the tunneling speed and production efficiency.

The invention provides a metal mold gravity casting process for an automobile intake pipe, which belongs to the technical field of casting methods for machine parts. The process comprises the following processing steps: (1) preheating of a mold to a temperature of 200 to 250 DEG C; (2) spraying: a step of cleaning the mold and spraying or bushing T11 on the metal mold; (3) purification of molten aluminum: a step of heating the molten aluminum to a temperature of 700 DEG C, blowing in argon by using an air stripping machine so as to purify the molten aluminum and scooping all the floating impurities by using a colander; (4) preheating of the mold: a step of preheating a sprayed upper mold (2) and a sprayed lower mold (5) to a temperature of 300 to 350 DEG C; (5) casting: scooping and putting the molten aluminum to a left casting basin (3) and a right casting basin (4) of the mold by using a spoon and allowing a machine to flip vertically; (6) cooling: a step of flipping the machine until the machine is horizontal; and (7) demolding: a step of flipping the machine until the machine is vertical, opening the upper mold (2) and the lower mold (5) and ejecting a casting out from a cavity of the lower mold (5) by using a thimble. With the process provided by the invention, high production efficiency and a long service life of the mold are obtained; and the process is applicable to mass production of parts.

The invention disclose an automatic monitoring system for livestock safe production, comprising livestock baoding instrument, animal marking device, animal transferring cage, livestock coding automatic registering software and livestock quarantining device equipped with automatic alarm for abnormal body temperature. It is characterized in that it also comprises automatic monitoring device which records every production process, and the monitoring device, livestock coding automatic registering software and livestock quarantining device are supported by internet. The invention is used for monitoring of livestock growth to look over every managing measurement, livestock immunity condition, drug utilization and plague record during livestock production course in real time, the utilization is convenient and spread value is good.

A dental floss pick is composed of a frame, a floss and a grip portion, wherein the frame has a first section and a second section. The first section extends from one end of the frame to a predetermined range and the second section extends from the first section to connect one end of the grip portion. Because the first section defines a first tooth-accommodating area with a height, which is smaller than a distance between the occlusal surface and the interdental papilliae, therefore, when a user places the floss into the slits between the teeth, the floss is limited in depth by the first tooth-accommodating area to avoid damaging the gum. Moreover, the floss is modified into two sections with different materials and shapes for cleaning different teeth slits at different location and characteristics to improve the cleaning convenience and avoid gun injury.

The invention relates to a dust collector floor brush capable of cutting off hairs. The dust collector floor brush capable of cutting off the hairs comprises a rolling brush which is installed at the bottom of a floor brush base and capable of rotating and a rolling brush protection plate which is arranged on the lower portion of the rolling brush and fixes the rolling brush at the bottom of the floor brush base; multiple spiral bristles are arranged on the rolling brush, and when the rolling brush rotates, the bristles can move the hairs to one end of the rolling brush to form a hair concentration area; blades are arranged at the end, close to the rolling brush, of the hair concentration area of the rolling brush protection plate at intervals. According to the dust collector floor brush capable of cutting off the hairs, after the hairs are wound into the rolling brush, the blades move relative to the rolling brush, the hairs in the hair concentration area of the rolling brush are cut off automatically and absorbed into a dust barrel, additional processes are not added, the service life of the rolling brush and a belt is prolonged, and the cost for replacing the rolling brush and the belt is reduced for a user.

The invention relates to an automatic spraying line for a golf club head. The automatic spraying line comprises spraying equipment and conveying equipment, wherein at least one spraying equipment is arranged along the conveying equipment; the conveying equipment is annually arranged and penetrates through at least one spraying equipment; the spraying equipment comprises a water curtain cabinet, asupporting portal frame and a multi-shaft robot, the supporting portal frame and the multi-shaft robot are covered with the water curtain cabinet, the multi-shaft robot is arranged on the supporting portal frame in an upside down manner, and a spraying gun is arranged on the multi-shaft robot; and the conveying equipment comprises a conveying mechanism and a plurality of club head tool assemblies,the conveying mechanism comprises a conveying strip and a conveying driving assembly, the conveying belt is annularly arranged, the conveying driving assembly is used for driving the conveying stripto work, the conveying strip penetrates through the water curtain cabinet through a conveying opening in the water curtain cabinet, the multi-shaft robot is located above the conveying strip which penetrates through the inner side of the water curtain cabinet, and the club head tool assemblies are distributed on the conveying strip. The automatic spraying line is simple and reasonable in structure, high in degree of automation and spraying efficiency, good in spraying quality, high in finished rate and applicable to multiple spraying procedures, and the clean working environment is guaranteed.

The invention discloses an artificial novel hail suppression and rain enhancement rocket. The artificial novel hail suppression and rain enhancement rocket comprises a fuse, a booster tube, a charging rocket body and a charging cartridge case. The booster tube is arranged at the lower end of the fuse, the fuse comprises a firing mechanism and a safety mechanism, the firing mechanism fires to generate flames, and the flames are introduced into the booster tube. The charging rocket body and the charging cartridge case are arranged at the lower end of the booster tube in sequence, the flames in the booster tube are introduced into the charging rocket body and the charging cartridge case so as to light gunpowder, and thus the hail suppression and rain enhancement rocket is launched. The artificial novel hail suppression and rain enhancement rocket has the advantages that a flameproof safety mechanism is used on a civil product, and thus it is ensured that bore premature and accidental collision explosion accidents can be avoided in artificial rain operation and service handling; the rod type booster tube is adopted in the artificial novel hail suppression and rain enhancement rocket for detonation, and thus the explosion completeness of the charging rocket body is improved; direct pressing is adopted for the charging rocket body, under the detonation of the rod type booster tube, the explosive capacity is improved, fragment mass is reduced, and broken pieces are prevented from falling and hurting people.

The invention discloses wire and cable processing equipment. The surface of a bottom plate is fixedly connected with a cooling frame, a dust removal box, a power assisting wheel, a first fixing frame,a second fixing frame and a motor fixing frame from left to right. The top of the first fixing frame is fixedly connected with a telescopic air cylinder through a supporting frame; the bottom end ofa piston rod of the telescopic air cylinder penetrates through the top of the first fixing frame and extends to an inner cavity of the first fixing frame; and the inner cavity of the first fixing frame is movably connected with the surface of the piston rod of the telescopic air cylinder. The invention relates to the technical field of cable processing. According to the wire and cable processing equipment, all the structures are matched to carry out cooling, dust removal, cutting and take-up operation on the processed and formed cable in sequence; a plurality of processing flows are integratedand synchronously carried out, so that the processing efficiency is higher, and time required for transportation in each processing procedure is effectively saved; and the wire and cable processing equipment is suitable for processing of large-batch cables, and the processing speed of the processing equipment is increased.

The invention relates to a metal-surface sandwich composite board and assembly composite wall board which comprises two or more pieces of metal-surface sandwich composite board arranged on a fixing frame. Each composite board is provided with two matching terminals which are opposite, wherein, one is an inserting groove terminal, and the other is an inserting head terminal. At the inserting groove terminal, the end of an external face plate is bent inward to form a fixing platform which is slightly lower than the board surface of the composite board; the wall surface of the end of the external face plate, the wall surface of the end of an internal face plate and the end surface of a sandwich layer form an inserting groove. At the inserting head terminal, the end of the external face plate is bent to from a platform which is slightly lower than the board surface of the composite board; and the wall surface of the end of the external face plate, the wall surface of the end of the internal face plate and the end surface of the sandwich layer form an inserting head which is matched with the inserting groove. Two adjacent composite boards are assembled together by jointing the inserting groove of one composite board with the inserting head of the other composite board; an installing groove is formed at the place of the joint; and in the installing groove, a decoration sealing buckle plate is arranged in a buckling way to play the sealing, decorating and thermal-insulation function.

The invention discloses a static blasting method. The static blasting method comprises the following steps of: (a) preparing construction; (b) premixing breaking agents in the field: (1) determining the using quantity of raw materials; (2) weighing 1,000 grams of breaking agents by using a balance, pouring the breaking agents into a glass measure cup with the volume of 3,000ml, measuring water with the designed quantity by using a measuring cylinder, slowly pouring the water into the measuring cup, uniformly stirring the mixture by using a glass bar, and simultaneously recording the initial volume of the breaking agents; and (3) standing and observing for 12 to 15 minutes, adding inhibitor in the mixture if the volume of the freely expanded breaking agents is 2.5 times the initial volume of the breaking agent within 12 minutes, adding accelerant in the mixture if the volume of the freely expanded breaking agents is not 2.5 times the initial volume of the breaking agents after 15 minutes, finishing standing if the volume of the freely expanded breaking agents is 2.5 times the initial volume of the breaking agents after the breaking agents are freely expanded within 12 to 15 minutes, and simultaneously recording the inhibitor and the accelerant; (c) distributing and drilling holes, and preparing the breaking agents according to the premixing proportion; (d) filling and pouring; (e) keeping warm; (f) beginning to break; and (g) removing rock ballast.

An auxiliary tool for a resistive current testing wire of a 750KV lightning arrester comprises a tong-shaped wire clamp, an insulated rod, a wire clamp bracket, an operating rod, and an extended rod which is obtained through modifying a common insulated rod. The wire clamp bracket is fixedly arranged at the upper part of the insulated rod and furthermore obliquely extends along the upper part of the insulated rod outwards. The operating rod is provided with an operating wrench, a test switch, a test wire pile and a grounding pile. The operating wrench is obliquely arranged at the middle part of the operating rod. The middle part of the operating wrench is provided with a fixing screw hole. The test switch is closely adjacent with the operating wrench. The test wire pile and the grounding pile are arranged at the end of the operating rod and are respectively used for connecting with the testing wire and the grounding wire of a resistive current tester. The tail end of the extended rod is provided with a connecting pipe for connecting with the operating rod and another extended rod. The auxiliary tool has an advantage of simple operation and can satisfy a requirement for resistive current testing wires of lightning arresters with different heights, so that a tester is protected from an induction voltage in a wiring process, thereby improving safety and accuracy in resistive current testing of the 750KV lightning arrester.

The invention provides a wire insulation cap, comprising a trumpet-shaped insulation cap made of rubbers and a nut arranged outside the insulation cap, wherein an outer surface of the insulation cap is provided with a thread matched with the nut; the insulation cap is internally provided with a blind hole; and the insulation cap around the blind hole is cut to form a plurality of longitudinal notches so as to form a plurality of claws. The wire insulation cap can be substituted for a PVC (polyvinyl chloride) insulating tape to carry out insulation protection on cable thread ends, thus preventing short circuit or injuries caused by overlapping multiple test thread ends, improving the field operation safety and the working efficiency and being convenient to use.

The invention belongs to the technical field of a detection device, and relates to a sealing property detection device for a submersible pump. A pressure tank body and a guide bar at the outside of the tank body are fixed on a pedestal of a box; a tank cover of the pressure tank is slidingly arranged on the guide bar which is arranged between a top board and the tank body, and can be lifted and dropped driven by a cylinder; the tank body and the tank cover are locked together through an automatic locking device; the lower side of a vertical mounting board fixed on the bottom surface of the tank cover is provided with a supporting plate, a submersible pump positioning clamp and a bulkhead; the bulkhead is driven by the cylinder to move in the lateral direction and is used for blocking an oil chamber detection joint of the submersible pump; the middle part of the tank cover is provided with a bulkhead which is driven by the cylinder to move up and down and is used for blocking a motor chamber detection joint for the submersible pump; and the side wall of the tank cover is provided with a cable slot and a cable sealing locking block. The sealing property detection device for a submersible pump has the advantages of being accurate in the control motion, being high in detection precision, having more detection items, and being suitable for high accuracy detection of the submersible pump.

The invention provides a cable groove cover plate. The cable groove cover plate comprises a base, a protection net and a cover plate, wherein the base is covered on a cable groove, an installation hole is formed in the base, the protection net is arranged on the installation hole and at least comprises two protection sub-nets, at least one protection sub-net is movably arranged on the installation hole in reciprocating way, an opening formed by moving the protection sub-net to be overlapped with the other protection sub-net is an access hole, and the cover plate is covered on the base and can cover the projection net. In the cable groove cover plate provided by the embodiment of the invention, the whole cable groove cover plate is not needed to be carried no matter during the ventilation process of the cable groove or the maintenance process of the cable groove by ingeniously arranging the projection nets in many blocks and arranging and designing the protection sub-nets to be movable under the condition of improving the safety, the workload is reduced, and the working efficiency during the process of maintenance and ventilation to remove dampness is improved.

The invention discloses a low-voltage cable branch box capable of achieving charged disconnection and connection. The low-voltage cable branch box comprises a box body and a box door, wherein supportlegs are arranged at the bottom of the box body; four low-voltage busbars with equal intervals are longitudinally arranged in the box body; each low-voltage busbar is provided with an insulating isolation device for separately isolating each low-voltage busbar; air inlet channels are arranged in a side wall of the box body; an exhaust channel is arranged in the bottom of the box body; a cooling and dehumidifying device is arranged in the exhaust channel; an inner wall of the box body is provided with a temperature and humidity sensor for monitoring internal temperature and humidity of the boxbody; the inner wall of the box body is also provided with a plurality of voltage detection modules; an audible and visual alarm is arranged at the top of the box body; the inner wall of the box dooris provided with a controller and a signal processing module; the signal processing module is connected with the voltage detection modules, the audible and visual alarm, the temperature and humidity sensor and the controller separately; and the controller is connected with the cooling and dehumidifying device.

The invention relates to a whole-core conveyer belt tooth-shaped joint cutter. At present, a conveyer belt is mostly connected by using a metal buckle so as to easily produce vibration and tear, obtain short service life and affect the production and safety of an enterprise. The invention aims to produce the whole-core conveyer belt tooth-shaped joint cutter. The structure of the cutter consists of a movable rail frame assembly (21) arranged on a base (23) and a movable tool rest assembly (15) arranged on the rail frame assembly (21) and is a detachable split connection structure. The cutter has the advantage that the cutter is widely applied to the industries of mines, power plants, cement plants, coking plants, docks and harbors and the like which use whole-core conveyer belts. The cutter improves the overall performance of whole-core conveyer belt tooth-shaped joint cutting operation, and avoids the previous problems of poor centering property, low cutting efficiency and poor whole-core conveyer belt connecting quality. The cutter has the advantages of multi-station and multi-blade precise cutting, split design, convenience for carrying, suitability for field operation, and no strict requirement for operator skills.

The invention relates to the technical field of railway laying machines, and discloses a mechanism for preventing injury by stall of a hoisting vehicle during rail hoisting. The mechanism comprises afixed disc, a limiting groove is formed inside the fixed disc, a rotating shaft is movably connected to the interior of the fixed disc, and a fixing nail is fixedly connected to the front surface of the rotating shaft. According to the mechanism for preventing the injury by stall of the hoisting vehicle during rail hoisting, when the hoisting device stalls on site, a first magnet makes contact with a second negative pole contact under the action of centrifugal force at the moment, so that magnetism is changed to enable a second magnet to attract the first magnet; and a first negative pole contact makes contact with a positive pole contact under the action of a sliding block at the moment, so that the current in an electrorheological body is conducted, then the effect that the electrorheological body is changed into a solid from a liquid is achieved, a push rod drives a limiting head to move into the limiting groove, a rotating rod is clamped at the moment, furthermore, the rotating shaft stops rotating, and then the effects of stall self-locking and sudden falling prevention of the hoisting device are achieved.

A power generator includes a supporting frame, a generator supported by the supporting frame, and an engine mechanism including an engine driving the generator and a recoil starter for starting the engine via starter cable. The power generator further includes a hand-free starter arrangement which includes a foot pedal movably supported by the supporting frame and a transmission unit coupling a pulling end of the starter cable with the foot pedal to transmit the downward stepping force of the foot pedal to a pulling force of the starter cable. A downward displacement of the foot pedal is corresponding to an operation length of the starter cable to start the engine such that when the foot pedal is depressed, the starter cable is pulled with the operation length to start the engine in a hand-free manner.