72results about How to "Prevent accidental fall" patented technology

The invention relates to a novel ammunition suspending vehicle and relates to the field of military equipment. The vehicle comprises a vehicle body and two pairs of Mecanum wheels which are arranged at two ends of the vehicle body; the vehicle further comprises a lifting mechanism, a holding mechanism and four walking drive mechanisms; the four walking drive mechanisms are arranged in the vehicle body, are connected to the Mecanum wheels respectively and are used for driving the Mecanum wheels; the middle of the vehicle body is provided with a square hole used for accommodating a lifting mechanism, and the side walls of the square hole are provided with a pair of first sliding grooves along the length of the vehicle body; the lifting mechanism comprises a sliding rod, an ejecting seat, two parallel crossing rod groups and a lifting drive mechanism; the holding mechanism comprises a base plate, a pitching platform, a horizontal moving platform, a hanger tray, an adjusting handle, two tensioning hand wheels, two pairs of pitching and adjusting bolts and a plurality of stretching springs. The vehicle has the advantages of fine using effect and high operation reliability.

The invention discloses a coil stripping car which includes a sideslip framework and a car body arranged on the sideslip framework, the car body can lift relative to the vertical direction of the sideslip frame, walking wheels are arranged on the sideslip frame, the car body includes a hollow car body framework, the top surface of the car body framework is provided with a long opening, a liftable bottom roller, and at least two pairs of side edge racks, the long opening is arranged along the length direction of the car body framework, the liftable bottom roller is arranged in the car body framework, and is corresponding to the long opening, when the bottom roller lifts up to the first work position, the bottom roller stretches out from the long opening, and the highest position of the surface of the bottom roller is higher than the top surface of the car body framework, when the bottom roller drops to the second work position, the bottom roller withdraws from the long opening, the at least two pairs of side edge racks are respectively arranged at both ends of the length direction of the car body framework, and are both in the car body framework, the side edge racks respectively stretch out in the third position from the two side faces of the width direction of the car body framework, and the side edge racks withdraw in the fourth position from the two side faces.

The invention provides a rainwater collection well, and belongs to the technical field of fixed buildings. The invention solves the problem that the existing rainwater collection well is prone to be blocked and thereby is poor to drain. The rainwater collection well comprises a well pedestal, a shaft and a rainwater collection well loop, wherein one end of the shaft is connected with the well pedestal while the other end is connected with the rainwater collection well loop, a water inlet is formed in the rainwater collection well loop, at least one drain hole is formed in the well pedestal, the water inlet communicates with the drain hole, a mud settling cavity is arranged at the bottom of the well pedestal, the drain hole is positioned on the side part of the well pedestal and higher than the mud settling cavity, a cone-shaped filter is arranged on the rainwater collection well loop, first sieve meshes are distributed in the outer circumferential surface of the filter, second sieve meshes are distributed at the bottom part of the filter, the filter stretches into the well pedestal after passing through the shaft, and the bottom part of the filter is positioned in a range corresponding to the drain hole. The filter of the rainwater collection well takes the shape of a cone, so that the gap between the filter and the rainwater collection well is gradually increased from the top down, rainwater flows down from the gap therebetween, and thereby drainage is smoother.

The invention relates to height operation falling-preventing clothes which comprises a skeleton suit and a suspension rope, wherein the back of the skeleton suit is provided with a suspension base block, each trouser leg is provided with a leg-hooping ring, a downward-back belt is arranged between the lower end of the suspension base block and the rear side of the leg-looping ring, a back-spanning belt is arranged between the upper end of the suspension base block and the front side of the leg-looping ring, two sides of the suspension base block are respectively connected with chest-looping belts, end heads of the chest-looping belts at two sides of the suspension base block extend out of the chest of the skeleton suit and are connected through a tapered end button, the suspension base block is connected with a buffer rope, the buffer rope is connected with the suspension role, and two ends of the suspension rope are respectively provided with safety hooks. The invention has the advantages of improving the structure of a safety belt, lightening the weight of the safety belt, increasing the impact-resisting capacity of the safety belt, enlarging the area of the height falling personnel bearing the impact force, saving the time of wearing appliances for labour protection, and ensuring that all height operation personnel use the safety belt without being hooked or involved by other objects when in use.

The invention discloses railway station child falling rescue equipment and relates to the technical field of rescue equipment. The railway station child falling rescue equipment comprises an outer frame. A bottom plate is fixedly connected to the bottom of the outer frame, and the two sides of the top of the bottom plate are each fixedly connected with a fixed frame. Fixed rods penetrate through the sides, close to the outer frame, of the fixed frames. Movable plates are fixedly connected to the ends, located on the inner walls of the fixed frames, of the fixed rods. First springs are fixedly connected between one sides of the movable plates and one sides of the fixed frames. The two sides of the bottom plate are each fixedly connected with a lifting device. The railway station child falling rescue equipment achieves the purpose of fast rescue of a fell child. The railway station child falling rescue equipment is lowered to be below a platform, and then the child is driven to rise, thereby being rescued. The child is rescued in time, an accident is prevented, the force arm during fixing can be increased, the railway station child falling rescue equipment is stabilized more easily, the purpose of child protection during rescue is achieved, and the conditions that an accident occurs and the child falls again during child rising are prevented.

The invention discloses a control method of an elevator lifting safety protection system. The control method comprises program input and initial state control, speed judgment and balance guide control, brake control and forced brake control. The control method of the elevator lifting safety protection system prevents the defects of redundancy and easiness in fatigue damage in a traditional electric cable electrifying mode; the conventional braking is performed by adopting a magnetic control mode; the effective forced braking for a car and / or a counterweight is realized through a potential energy absorption mode of a brake drag jaw; in a power failure state, the brake drag jaw can push away a lock tongue of an electromagnetic control valve through an inclined surface structure under the elastic force effect of a powerful spring to turn out to prevent accidental falling of the car and / or the counterweight; and after the power failure condition is relieved, a brake drag jaw return mechanism can return the brake drag jaw to guarantee normal operation of an elevator so as to realize effective protection of elevator lifting.

The invention discloses a closed thoracic drainage device which comprises a saline bucket and a drainage bottle. The drainage bottle is a hollow closed cavity. The saline bucket is an open cavity. The top of the drainage bottle is provided with a drainage pipe connector and a water seal pipe connector. The drainage bottle is inserted into the saline bucket, and a saline chamber of a hollow cavity structure is formed between the bottom of the drainage bottle and the bottom of the cavity of the saline bucket. A water seal pipe communicates the drainage bottle with the inner cavity of the saline chamber through the water seal pipe connector, and the free end of the water seal pipe extends below the liquid face of normal saline in the saline chamber. The drainage bottle of the closed thoracic drainage device is inserted into the saline bucket to form an integral structure, and the situation that two independent bottle bodies in a traditional drainage device are inconvenient to use is avoided.

The invention belongs to the technical field of hoisting, and particularly relates to an electric hoist for a single-beam crane. The electric hoist comprises a lifting mechanism speed reducer, a winding drum component, a lifting mechanism electric motor and an operation mechanism speed reducer, wherein a motor shaft is rotationally connected in an electric motor box body, and the motor shaft is insliding connection with a rotor through a spline; the motor shaft is fixedly connected with a first input shaft through an elastic sleeve pin coupling, and an opening is formed in the motor shaft; athird spring is fixedly connected to each of the two ends of the rotor, the rotor is fixedly connected in the electric motor box body which is connected with a machine frame through a screw, a fan brake wheel is fixedly connected to a support ring, a brake ring is fixedly connected to the electric motor box body, and the brake ring is made of a flexible material; one end of a movable shaft is fixedly connected with the rotor, the other end of the movable shaft is fixedly connected with the support ring, and the movable shaft is slidably connected in the opening; a sliding chute is arranged onone side of the elastic sleeve pin coupling, a sliding plate is slidably connected in the sliding chute, and the sliding plate is fixedly connected with the bottom of the sliding chute through a fourth spring; and the end surface of the sliding plate is in contact with the inner wall of a winding drum, so that the safety of the electric hoist is enhanced.

The invention discloses a press machine anti-falling safety device. The press machine anti-falling safety device comprises a connecting seat which is used for being connected with a press machine, a sliding frame is arranged on the connecting seat in a sliding mode, the sliding frame is provided with an elastic supporting component, and the elastic supporting component is used for elastically supporting a pressing head so as to prevent the pressing head from accidentally falling down and pressing downwards, the sliding frame is used for sliding into the portion between the pressing head and aworking platform of the press machine when the press machine is in a stopping state so that the elastic supporting component can elastically support the pressing head, or the sliding frame is used forsliding out of the portion between the pressing head and the working platform before the press machine starts working so that the movement interference of the elastic supporting component to the pressing head can be avoided. When the press machine is connected with the press machine anti-falling safety device, the pressing head on the press machine can be elastically supported through the elasticsupporting component of the anti-falling safety device when the press machine is in a stopping state, and then the situation that a person, the press machine, a clamp arranged on the working platformof the press machine and the like are damaged due to the fact that the pressing head accidentally falls down and press downwards can be prevented.

The invention relates to an automatic and manual flood control facility at a ground entrance and exit of a building. The flood control facility comprises a flood control panel and a flood control binfor accommodating the flood control panel, wherein the flood control bin is arranged inside an accommodating groove formed in an entrance and exit floor of the building; a guiding structure and a wormjacking device are arranged between the flood control bin and the flood control panel; the worm jacking device is used for driving the flood control panel to life along the guiding structure so as toform a water retaining structure. The flood control facility has the beneficial effects as follows: the effective flood control height of the flood control facility and the movement speed of the flood control panel can be flexibly adjusted; the flood control panel is driven by the worm jacking device with a self-locking function, so that the flood control panel can be kept still under the conditions of an unexpected power failure and the like, and thus the flood control panel can be prevented from falling down accidentally; not only the worm jacking device can adopt electric driving, but alsolifting of the flood control panel can be manually driven in an emergency, so that the flood control facility can be adapted to various extreme weather conditions.

The invention discloses an electric lifting crib with a self-locking protection function, and belongs to the field of baby beds. The electric lifting crib is composed of a crib body, a control panel, a lifting device protective cover, a crib body fastening screw, a lifting device, a photoelectric limiting switch, a lifting device protective cover fastening screw, a motor protective cover and a motor protective cover fastening screw. The electric lifting crib is characterized in that the lifting device protective cover is fixed to the exterior of the lifting device through the lifting device protective cover fastening screw, the control panel is arranged on the lifting device protective cover, the crib body is fixed to the lifting device through the crib body fastening screw, the motor protective cover is fixed to the lifting device through the motor protective cover fastening screw, and the photoelectric limiting switch is installed on the motor protective cover. The whole crib can be automatically lifted in a quiet mode, bowing burdens of parents are relieved, and the safety protection functions such as the self-locking protection function are achieved.

The invention discloses a police pistol with an intelligent face recognition function. The police pistol comprises a pistol base and a pistol shell and is characterized in that a magazine clip and a battery are arranged inside the pistol base, the magazine clip is located on one side of the battery, a protecting plate is fixedly mounted on the outer surface of the front end of the pistol base, anda trigger is movably mounted on one side of the pistol base and is located below the gun shell. The police pistol has the advantages that the police pistol is provided with a miniature camera, damping cotton and a heating plate, face recognition can be performed on a pistol user, the pistol accidentally acquired by a criminal cannot be used by the criminal, vibration during pistol use can be reduced effectively, shooting precision lowering caused by holding discomfort due to the excessively low temperature of the pistol, and the pistol is applicable to different work and promising in application prospect.

The invention discloses a lifting table for machinery manufacturing. The lifting table comprises a base, a bottom plate and a supporting plate; a semi-spherical groove is formed in the lower end of the base; a semi-spherical block is put in the semi-spherical groove; the bottom plate is fixedly welded to the lower end of the semi-spherical block; pressure springs are fixedly welded to the lower end of the base, and the other ends of the pressure springs are fixedly welded to the upper end of the bottom plate; a rotary motor is mounted at the upper end of the base; a screw rod is fixedly mounted at the upper end of the rotary motor; a coupler is mounted between the rotary motor and the screw rod; the screw rod is sleeved with a rotary nut; connecting rods are fixedly welded to the side surface of the rotary nut; round pipes are fixedly welded to the side surfaces of the connecting rods; threaded columns are fixedly welded to the upper end of the base; the threaded columns are sleeved with the round pipes; and supporting rods are fixedly welded to the upper ends of the connecting rods. The lifting table for machinery manufacturing is good in buffering effect, and furthermore liftingis stable and safe.

The invention discloses a chest cavity closed drainage device, which comprises a saline bucket and a drainage bottle, the drainage bottle is a hollow airtight cavity, the saline bucket is an open mouth, and the top of the drainage bottle is provided with a drainage tube interface and the water seal tube interface, the drainage bottle is plugged into the brine bucket, and a brine chamber with a hollow cavity structure is formed between the bottom of the drainage bottle and the cavity bottom of the brine bucket, and the water seal tube passes through the water seal tube interface The drainage bottle is communicated with the inner cavity of the saline chamber and the free end of the water-sealed tube extends below the level of the physiological saline in the saline chamber. The drainage bottle of the closed chest drainage device of the present invention is inserted into the saline bucket to form an integral structure, which avoids the inconvenience caused by two separate bottles in the traditional drainage device.

The invention relates to a door lock provided with an anti-forgetting article placing table, and relates to the technical field of mechanical locks. The door lock is installed on a door panel and a door frame; the door lock comprises a lock body mechanism and a storage table mechanism; the lock body mechanism comprises a lock cylinder assembly and a lock catch; the lock cylinder assembly comprisesa lock cylinder; the end, close to the lock catch, of the lock cylinder is provided with a bolt; the lock cylinder is provided with a pin hole; the lock cylinder assembly and the lock catch are installed on the door panel and the door frame respectively; and the article placing table mechanism comprises an article placing plate, a rotating shaft for driving the article placing plate to rotate, aplug pin rod which moves up and down along with rotation of the rotating shaft, and a bottom plate which is fixedly arranged below the rotating shaft. When the article placing plate is in a lowered state, one end of the plug pin rod is inserted into the pin hole, and the article placing plate is placed on the bottom plate; and when the article placing plate is retracted, the plug pin rod exits thepin hole. The door lock has a good reminding function, is simple in structure and cheap to install, and can realize opening or closing of the door lock without the need to lower or retract the article placing plate when no article needs to be placed.

The invention provides a rainwater collection well, and belongs to the technical field of fixed buildings. The invention solves the problem that the existing rainwater collection well is prone to be blocked and thereby is poor to drain. The rainwater collection well comprises a well pedestal, a shaft and a rainwater collection well loop, wherein one end of the shaft is connected with the well pedestal while the other end is connected with the rainwater collection well loop, a water inlet is formed in the rainwater collection well loop, at least one drain hole is formed in the well pedestal, the water inlet communicates with the drain hole, a mud settling cavity is arranged at the bottom of the well pedestal, the drain hole is positioned on the side part of the well pedestal and higher than the mud settling cavity, a cone-shaped filter is arranged on the rainwater collection well loop, first sieve meshes are distributed in the outer circumferential surface of the filter, second sieve meshes are distributed at the bottom part of the filter, the filter stretches into the well pedestal after passing through the shaft, and the bottom part of the filter is positioned in a range corresponding to the drain hole. The filter of the rainwater collection well takes the shape of a cone, so that the gap between the filter and the rainwater collection well is gradually increased from the top down, rainwater flows down from the gap therebetween, and thereby drainage is smoother.

A CCUS system and application based on gas lift oil recovery, including production pipelines, carbon dioxide pipelines, natural gas pipelines, gas-fired generator sets and electric heating paraffin removal devices, the gas source is separated into carbon dioxide and natural gas through the production pipelines , in which part of the natural gas is used for gas lift oil recovery for the gas lift well group, and the other part of the natural gas is used to supply power to the electric heating wax removal device through the gas generator set. This design not only reduces the power supply cost and technical difficulty of the ground power grid, but also reduces the The load of the power grid, but also enables the production of natural gas to be used near production; the carbon dioxide produced by oil production and the carbon dioxide discharged by the gas-fired generator set are uniformly used for the gas-lift oil recovery of the gas-lift well group, which greatly improves the regeneration of carbon dioxide efficiency and reduce carbon dioxide emissions.

The invention discloses a special operation bar of a drop-out fuse. The special operation bar comprises an operation bar body, a fixed connector, a link head and a fusion tube hoop. The fixed connector is fixed at the upper end of the operation bar body and comprises a circular board and a screw, wherein the circular board is provided with a thread hole, and the screw is connected in the thread hole in a screwed mode and is provided with a handle. The link head comprises a connector circular board which is fit with the fixed connector, and a cuspidal straight bar connected at the upper end of the connector circular board. An opening groove which faces downwards is formed in the connector circular board in the radial direction, and the width of the opening groove is fit with the diameter of the screw. After the opening groove of the connector circular board is clamped on the screw between the handle and the fixed connector, the link head is fixed on the fixed connector through a tightly-screwing screw. The fusion tube hoop comprises a connecting sleeve, a U-shaped chuck connected on one side of the connecting sleeve, and locking mechanisms which are arranged on the inner sides of two side arms of the U-shaped chuck. The connecting sleeve of the fusion tube hoop is installed on the operation bar body. By means of the special operation bar, the phenomenon that a fusion tube drops out when a fusion tube is removed and installed can be effectively prevented.