41results about How to "Avoid free fall" patented technology

The invention relates to a novel cigarette discharging and guiding device for a cigarette storage device. A cigarette shunting block (hereinafter referred to as a cigarette distributing block) fixed in a cigarette discharging storehouse of a YF17 cigarette storage device is transformed as a foldable and deformable assembly body, wherein the cigarette distributing block is divided into a left block and a right block along a vertical center line; the top of the cigarette distributing block is connected with a pin shaft; two plates are rotatably assembled and disassembled by taking the pin shaft as a center or are opened and closed by a bracket linkage mechanism; the two plates are folded and used as the cigarette distributing block; the two plates are unfolded and used as a cigarette receiving device support plate; the cigarette distributing block is driven by a belt which is arranged on the rear surface of a cigarette discharging channel; movement limit positions of the cigarette distributing block comprise positioning rods which are arranged on the upper end surface of the cigarette discharging channel and a packer hopper. The novel cigarette discharging and guiding device for the cigarette storage device is simple in structure; the cigarettes are received and guided between the discharging channel and a buffering channel by a telescopic plate; the cigarette discharging channel and the packer hopper extend along with the change of the width of the channel to receive and guide the cigarettes. By virtue of the novel cigarette discharging and guiding device for the cigarette storage device, the technical problem of automatically receiving the cigarettes by the whole channel when the cigarette receiving and packing unit is started can be solved.

The invention particularly relates to a double-roller clip-rail anti-falling scaffold; a connecting frame is fixedly connected with a brake box; a guide rail is fixedly arranged on one side of the scaffold body; the guide rail is inserted in the brake box; a guide groove is arranged on the lateral wall of the brake box; a brake wheel shaft is arranged in the guide groove; a brake wheel is arranged on the brake wheel shaft; a back pressing wheel is erected on the brake box on the same side where the brake wheel is arranged; the back pressing wheel leans on one side wall body of the guide rail; a friction block is arranged on the other lateral side of the brake wheel; a ratchet wheel is fixed on the end surface of the brake wheel; the lateral wall of the brake box is hinged with a pawl; the bottom of the pawl is supported on the operating end surface of the ratchet wheel; the bottom end of the pawl is connected with a tension spring; the other end of the tension spring is connected on the external wall of the brake wall; the top end of the pawl is connected with a traction rope; the other end of the traction rope is extended out of the brake box and hung with an operating hammer on the end part; a vertical brake tension spring is arranged outside the brake box; the top end of the brake tension spring is fixed and the bottom end is connected on the brake wheel shaft.

The invention relates to a barrier board device preventing small animals from entering a power station and solves a problem of barrier board movement difficulty due to unreasonable arrangement of a barrier board in the prior art. According to the invention, the barrier board body is arranged between two parallel guide rails and is driven by a drive mechanism to move along the length direction of the guide rail. The drive mechanism includes a drive machine and a controller. The controller controls the drive machine to work. A sensor is used for sensing whether a human body approaches or not. A manual operation panel is used for manual control of the drive machine. When a technical worker performs tour inspection of the power station, the sensor senses that a human body approaches. The drive machine is controlled to lift the barrier board body. Therefore, the technical worker can change devices in the power station more conveniently. The technical worker needs to enter and exit from the power station frequently during power station maintenance. At this time, the manual operation panel can be utilized for achieving convenient control of a long term lift-up state of the barrier board body, so that operation of the technical worker is facilitated.

The invention discloses a multipurpose screw and idler wheel coupling drive device, belonging to mechanical drive devices. A conventional coupling drive device has the disadvantages of stress concentration, fatigue fractures, surface abrasion or limited linear displacement distance in the process of converting the rotational movement to linear movement or movement in a big curve. The multipurpose screw and idler wheel coupling drive device comprises a track, a pulley, a screw, a driving device and idler wheels. The pulley slides along the track and is connected with a load to output kinetic energy. The screw is axially positioned on the pulley and can rotate along the axis of the pulley, and the screw extends in the same direction with the track. The driving device is arranged on the pulley to drive the screw to rotate around the axis of the pulley. The idler wheels are lined on the track in the extension direction of the screw and the idler wheel corresponding to the screw is located inside a spiral groove of the screw. The multipurpose screw and idler wheel coupling drive device can change the rotation direction of the screw by converting the coupling of the screw and the idler wheels to linear or approximately linear movement, and in such a way, the motion direction of the pulley can be changed and the transmission efficiency is high. The screw can be coupled with a plurality of idler wheels at the same time, so stress concentration can be avoided and the reliability and the safety are improved.

A stockhouse arrangement for a metallurgical furnace comprises a set of storage bins (12) for granular material; a material feeding device (14) associated with said set of storage bins (12), the material feeding device (14) being arranged above said set of storage bins (12) and allowing to selectively fill each of the storage bins with granular material; and a raw material feed system (22) to convey raw granular material to the material feeding device (14). A respective weighing hopper (32) is arranged downstream of each storage bin (12) and comprising an outlet associated with a feeding gate(34). A charge conveying system (30) is provided for collecting and conveying material selectively discharged from the weighing hoppers through their respective feeding gate. The material feeding device (14) is configured to screen raw granular material arriving from said raw material feed system such that only material with desired granulometry is forwarded to the respective bin(s).

The embodiment of the invention provides a gravity energy storage device, and relates to the technical field of gravity energy storage. The gravity energy storage device comprises a motor, a transmission assembly, an outer sleeve, an inner sleeve, a gravity block and a generator. The gravity block and the inner sleeve are arranged in the outer sleeve, the gravity block is in sliding fit with the outer sleeve, the sliding direction of the gravity block is the vertical direction, the gravity block is arranged on the inner sleeve in a sleeving mode and is in threaded connection with the inner sleeve, the motor, the transmission assembly and the inner sleeve are sequentially in transmission connection, and the motor is used for driving the transmission assembly to drive the inner sleeve to rotate. The inner sleeve is used for driving the gravity block to move in the vertical direction, the generator is in transmission connection with the transmission assembly, and the gravity block is used for driving the inner sleeve and the transmission assembly during free falling to drive the generator to generate electricity. The gravity energy storage device can change the direction of force for maintaining gravitational potential energy, free falling operation caused by gravity under the fault condition is avoided, and the safety risk is reduced.

The invention relates to a multifunctional automatic vending machine, which can be shipped in a stable manner by arranging crawler belts on the lower part of the forehearth, thus being suitable for some non-shaking commodities or fragile products; the upper part of the forehearth is set to The slope type is convenient for non-circular beverages to be shipped; the channel on the back side of the feed channel is changed to a serpentine channel to avoid the direct free fall of the goods and prevent the goods from being damaged; a feed channel controller is fixed at the exit of the serpentine channel to avoid two A lot of goods are dropped at the same time, thereby improving the quality of the vending machine; at the same time, a big-eye button board is arranged under the display window of the vending machine. It plays a sealing role and improves the sealing effect of the circuit board. At the same time, the silicone strip is provided with contact placement holes and component placement holes to cover the contacts and electrical components of the circuit board, so as to prevent the contacts and electrical components from directly interacting with the circuit board. The upper cover is deformed by frictional contact.

The invention relates to a segment crane and a shield tunneling machine. The segment crane comprises two hydraulic oil cylinders and a hydraulic control system, wherein the hydraulic control system comprises two hydraulic loops; each hydraulic loop is provided with a rodless cavity oil way, a rod cavity oil way and a reversing valve; each reversing valve communicates the rodless cavity oil way and the rod cavity oil way of the corresponding hydraulic loop with an oil supply oil way and an oil return oil way so as to control the hydraulic oil cylinder to stretch and retract through the reversing valve; the reversing valve is provided with a locking middle position and used for controlling and locking the rod cavity oil way and the rodless cavity oil way of the corresponding hydraulic loop so as to lock the hydraulic oil cylinder; and a synchronous speed control valve is arranged on the rodless cavity oil way and / or the rod cavity oil way on the two hydraulic loops so as to realize synchronous action of the two hydraulic oil cylinders. Different control modes are selected according to actual working requirements, the two hydraulic oil cylinders can be controlled to act synchronously, the single hydraulic oil cylinder can also be controlled to act, and the actual working requirements are met.

The invention provides a cake-shaped material preparation device and food processing equipment. The material preparation device comprises a rack, storage barrels, trays and jacking assemblies; the storage barrels are detachably connected with the rack, the storage barrels are provided with transparent storage spaces, and the storage spaces are used for stacking and storage of cake-shaped materials; the trays are arranged in the storage spaces, and are in sliding connection with barrel walls of the storage barrels; and the jacking assemblies are arranged under the storage barrels, and are used for pushing the trays to move in the height directions of the storage barrels, and the cake-shaped materials are sent out from the tops of the storage barrels. According to the cake-shaped material preparation device, automatic feeding in material preparation processes can be achieved, the automation degree of material preparation is improved, the efficiency is higher, the production continuity is better, and improvement of the productivity is facilitated; and in the processes, human participation is reduced so that the risk of artificial contamination can be reduced, and the risk to the food safety is reduced.

The invention includes a display positioning assembly comprising a support, a display supported by the support, and a balance mechanism carried by the display and operatively connected to the support. The invention also includes an article for selectively exposing a display comprising a generally planar support surface having a first side and a second side opposite the first side. A balance mechanism operatively connected to a display may be positionable between a storage position proximate the first side of the generally planar support surface and an exposed position proximate the second side of the generally planar support surface. The invention also includes an assembly for arresting the free fall of an object. The assembly may comprise an outer slide in sliding or rolling engagement with an inner slide, and a brake comprising at least one pivot member may be coupled to the inner slide.

A hydraulic cylinder having a rod safety device is provided, which can prevent a free falling of an arm and a bucket by fastening members when a welding part is broken to protect a cab and an operator. The hydraulic cylinder having a rod safety device which includes a cylinder rod (1) sliding within a set stroke range in a tube and composed of a rod head (1a) and a rod body (1b) joint-connected to the rod head (1a); a cover (3) connected by weld joint to one end part of the tube (2); an end cover (4) connected by weld joint to the other end part of the tube (2); a piston (5) fastened to one end part of the cylinder rod (1) to reciprocate along an inner periphery of the tube; and a connection means composed of a screw engagement part (10) formed in center parts of mutual contact surfaces of the rod head (1a) and the rod body (1b) in a shaft direction to joint-connect the rod head (1a) and the rod body (1b) by screw-engaging the rod head (1a) and the rod body (1b), and a weld joint part joint-connecting the rod head (1a) and the rod body (1b) by welding outer peripheries of the contact surfaces of the rod head (1a) and the rod body (1b).

The invention discloses an in-place turning throwing type aerobic solid fermentation tank capable of preventing impact and realzing uniform falling. The in-place turning throwing type aerobic solid fermentation tank capable of preventing impact and realzing uniform falling structurally comprises a tank body, a breathable bottom plate, a transmission shaft box, a driving motor, a rail frame, a rotating rod and a separate throwing device. Beneficial effects are as follows, an anti-solidification structure and a turning throwing plate are matched with each other; convex particles are contacted with the bottom of the tank body, and scraping off treatment on a cured fermentation product at the bottom of the tank body is carried out; so that the bottom fermentation product can be mixed with other fermented materials during turning and throwing; meanwhile, the structural characteristics of a bending rod are utilized, solid to be subjected to centralized fermentation is subjected to turning treatment from inside to outside, uniform fermentation of fermented materials is realized; a scattering structure is adopted, a screen is of an elastic structure, a blocking frame and a turning and throwing plate are fixedly installed at a small angle of 45 degrees, and the situation that due to the fact that a traditional turning and throwing device enables fermented materials to fall freely in a collective mode, the bottommost portions of the falling fermented materials are impacted under the action of gravity, and the bottoms of the falling fermented materials are hardened is avoided.

The invention relates to a novel cigarette discharging and guiding device for a cigarette storage device. A cigarette shunting block (hereinafter referred to as a cigarette distributing block) fixed in a cigarette discharging storehouse of a YF17 cigarette storage device is transformed as a foldable and deformable assembly body, wherein the cigarette distributing block is divided into a left block and a right block along a vertical center line; the top of the cigarette distributing block is connected with a pin shaft; two plates are rotatably assembled and disassembled by taking the pin shaft as a center or are opened and closed by a bracket linkage mechanism; the two plates are folded and used as the cigarette distributing block; the two plates are unfolded and used as a cigarette receiving device support plate; the cigarette distributing block is driven by a belt which is arranged on the rear surface of a cigarette discharging channel; movement limit positions of the cigarette distributing block comprise positioning rods which are arranged on the upper end surface of the cigarette discharging channel and a packer hopper. The novel cigarette discharging and guiding device for the cigarette storage device is simple in structure; the cigarettes are received and guided between the discharging channel and a buffering channel by a telescopic plate; the cigarette discharging channel and the packer hopper extend along with the change of the width of the channel to receive and guide the cigarettes. By virtue of the novel cigarette discharging and guiding device for the cigarette storage device, the technical problem of automatically receiving the cigarettes by the whole channel when the cigarette receiving and packing unit is started can be solved.

The invention discloses a material spreading device between a hoop standard granulator modulator and a material dropping hoop, the material spreading device comprises a material hopper component, an impeller, a supporting component and a scraper component; the material hopper component comprises an upper material hopper and a lower material hopper, the casing of the upper material hopper is hinged on the casing of a granulator, the lower material hopper is fixed on a press roller, an upper material hopper powder material channel is contact with the lower material hopper, a scraper is arranged on the material outlet side of the lower material hopper, the scraper height is controlled by a rope wheel type elevator, the impeller is arranged in the lower material hopper; powder is cached in the hopper, then is spread on the material dropping hoop via the impeller, the material dropping hoop brings the powder out, the powder thickness is limited by the scraper height; the device can realize thickness uniform stability of the powder on the material dropping hoop without being affected by material dropping condition of the modulator and the rotation speed of the material dropping hoop, the thickness of the powder can be adjusted, hoop standard granulator blocking failure can be prevented, hoop standard granulator vibration can be reduced, different length phenomenon of extrusion particles can be solved, and granulating quality and working stability of the hoop standard granulator can be improved.

The invention discloses a material spreading device between a hoop standard granulator modulator and a material dropping hoop, the material spreading device comprises a material hopper component, an impeller, a supporting component and a scraper component; the material hopper component comprises an upper material hopper and a lower material hopper, the casing of the upper material hopper is hinged on the casing of a granulator, the lower material hopper is fixed on a press roller, an upper material hopper powder material channel is contact with the lower material hopper, a scraper is arranged on the material outlet side of the lower material hopper, the scraper height is controlled by a rope wheel type elevator, the impeller is arranged in the lower material hopper; powder is cached in the hopper, then is spread on the material dropping hoop via the impeller, the material dropping hoop brings the powder out, the powder thickness is limited by the scraper height; the device can realize thickness uniform stability of the powder on the material dropping hoop without being affected by material dropping condition of the modulator and the rotation speed of the material dropping hoop, the thickness of the powder can be adjusted, hoop standard granulator blocking failure can be prevented, hoop standard granulator vibration can be reduced, different length phenomenon of extrusion particles can be solved, and granulating quality and working stability of the hoop standard granulator can be improved.

The invention relates to a push rod type automatic turning device for legs, belonging to the technical field of turning of the legs of a lorry-mounted crane. The invention provides the push rod type automatic turning device for the legs, which is capable of realizing automatic turn of a leg cylinder within the range of 180 degrees in the vertical direction by using the retracting force of a piston rod of the leg cylinder of the lorry-mounted crane as a power. The invention has the technical scheme that the lower end of the piston rod of the leg cylinder is fixed with a piston rod bottom plate; a hand-pull beam is fixed with an idler; the idler is fixed on the shaft; a first wire rope fixating point is arranged below the idler and fixed on the hand-pull beam; the middle of the cylinder barrel of the leg cylinder is fixed with a guide plate; the guide plate is provided with a second wire rope fixating point; the middle of the guide plate is provided with a square hole; a square push rodis sheathed in the square hole of the guide plate; a stop plate of the push rod is fixed on the push rod; a second pulley is fixed on the upper end of the push rod; and a first pulley is arranged on the cylinder barrel of the leg cylinder and above the guide plate. The invention is applicable to the technical field of leg turning.

The invention particularly relates to a double-roller clip-rail anti-falling scaffold; a connecting frame is fixedly connected with a brake box; a guide rail is fixedly arranged on one side of the scaffold body; the guide rail is inserted in the brake box; a guide groove is arranged on the lateral wall of the brake box; a brake wheel shaft is arranged in the guide groove; a brake wheel is arranged on the brake wheel shaft; a back pressing wheel is erected on the brake box on the same side where the brake wheel is arranged; the back pressing wheel leans on one side wall body of the guide rail; a friction block is arranged on the other lateral side of the brake wheel; a ratchet wheel is fixed on the end surface of the brake wheel; the lateral wall of the brake box is hinged with a pawl; the bottom of the pawl is supported on the operating end surface of the ratchet wheel; the bottom end of the pawl is connected with a tension spring; the other end of the tension spring is connected on the external wall of the brake wall; the top end of the pawl is connected with a traction rope; the other end of the traction rope is extended out of the brake box and hung with an operating hammer on the end part; a vertical brake tension spring is arranged outside the brake box; the top end of the brake tension spring is fixed and the bottom end is connected on the brake wheel shaft.

A wire rope type fall arrester, including a rotating part, a braking device and a steel cable, the first end of the steel cable is connected to the rotating part; the steel cable includes a first winding ring and a second winding ring wound around the On the piece; the first restricting part of the restricting beam ring is sleeved on the first winding ring, and the second restricting part of the restricting beam ring is sleeved on the second winding ring, so that the steel rope is in the second restricting part and the first winding ring. One end has a fixed length and is wound on the rotating part; when the free end of the steel cable is pulled by an external force, and the steel cable wound on the rotating part is released in a direction away from the rotating part, the restraining beam ring is broken , to release the fixed length of the cable; where the external force is greater than or equal to the tension generated by the free fall of an adult. By releasing the fixed length of the steel cable, the rotating part is rotated and the braking device is driven to act, so that the rotation of the rotating part is slowed down or stopped.

The present invention provides a high safety factor anti-falling structure for a hopper, wherein the structure is used for a top packing type gasifier, and is provided for eliminating hidden danger caused by hopper falling due to rope breakage. The hopper anti-falling structure comprises a hopper and a pulling support. The hopper is connected with a pulling rope, such that the hopper can be lifted or lowered under the rope pulling effect. The pulling support is provided with vertical guide rails, wherein the guide rails are intervally provided with a plurality of snapping concave portions or snapping through holes. Pin passing through holes are arranged on side walls of the hopper, wherein the position of the pin passing through hole is corresponding to the guide rail. Locking pins are arranged inside the hopper, wherein the locking pins can snap into the snapping concave portions or the snapping through holes. When the rope is pulled to perform a pulling action, the locking pin can be driven to exit from the driving portion of the snapping concave portion or the snapping through-hole, and when the rope is broken, the locking pin can be driven to pass through the pin passing through hole to extend to the reposition portion of the snapping concave portion or the snapping through-hole. According to the hopper anti-falling structure of the present invention, the match of the locking pins and the guide rails is adopted, such that the hopper can be fixed on the guide rails when the pulling rope is broken so as to avoid free falling of the hopper.