55results about How to "Counteract impact force" patented technology

The invention discloses an equestrian sport field, comprising a surface layer for paving fiber sand, a separation layer for preventing the fiber sand at an upper layer from sinking and a discharging layer located at the bottom, wherein the discharging layer comprises a single grain size broken stone layer and a graded broken stone layer; the single grain size broken stone layer is located above the graded broken stone layer; a discharging pipeline is arranged below the graded broken stone layer; the separation layer comprises an asphalt layer paved above the single grain size broken stone layer; a broken stone layer is filled on the surface of the asphalt layer; and the fiber sand is paved above broken stone on the surface of the asphalt layer. With the adoption of the technical scheme provided by the invention, the surface layer and the asphalt layer can be used for protecting and bearing horseshoes well; and each layer structure can be used for rapidly dewatering, so that the requirements of the equestrianism competition can be met. Furthermore, the materials used in the equestrian sport field provided by the invention are common and easy to obtain; and the manufacturing cost can be reduced. The invention further discloses a construction process of the equestrian sport field.

An anti-lateral-collision bearing with a ball oil storage mechanism is disclosed. The anti-lateral-collision bearing is provided with a collision-resistant mechanism, the collision-resistant mechanismcomprises an embedment groove, an outer roll groove, an outer ball, an outer magnetic block for fixing of the outer ball, and an inner magnet with a magnet pole being repellant with that of an outermagnet. The outer ball is embedded between the embedment groove and the outer magnetic block. A hole for enabling the outer ball to be exposed is formed in the outer magnetic block, inner magnetic rings are located on the two sides of the outer roll groove, and the outer ball is made of a non-magnetic attraction material. The collision-resistant mechanism rolls on the outer roll groove through theball and can counteract most axial collision force. Repulsive force exists between an inner magnetic block and the outer magnetic block and enables a certain gap to exist between the ball and the outer roll groove, and abrasion caused by friction is reduced. The ball oil storage mechanism is further arranged, two oil passing holes are formed in the ball oil storage mechanism, lubricating oil brought out through rolling of the ball can be stored temporarily, the brought-out lubricating oil is prevented from being stacked on the interface, particles such as dust falling into the bearing are stored temporarily, deformation and abrasion are avoided, and the service life of the bearing is prolonged.

The invention discloses a vehicle-mounted system based on a Beidou positioning technology and a control method. The vehicle-mounted system based on the Beidou positioning technology comprises a Beidoupositioning vehicle-mounted system main body, a housing, a partition plate, a top plate, a slide way, a clamping groove, a second connecting rod and a slide block; the Beidou positioning vehicle-mounted system main body is connected to the interior of the housing in a sleeving manner; a control panel is arranged on one side of the Beidou positioning vehicle-mounted system main body; a display screen is arranged at the top of the surface of the control panel; an adjusting button is arranged at the bottom of the surface of the control panel; the adjusting button is positioned at the bottom of the display screen; and a connector lug is arranged on the back surface of the Beidou positioning vehicle-mounted system main body. According to the vehicle-mounted system based on the Beidou positioning technology and the control method, the structure is simple; elastic force is provided by using a compression spring; a traditional integrated structure is eliminated; by using a clamping and fixingmode, the vehicle-mounted system based on the Beidou positioning technology can be freely mounted and detached to enable a user to maintain and change the Beidou positioning vehicle-mounted system main body conveniently; and meanwhile, the daily care of the Beidou positioning vehicle-mounted system main body is made convenient; and the vehicle-mounted system based on the Beidou positioning technology is beneficial for users to use.

The invention discloses a volume adjustable concrete proportioning machine for building. The proportioning machine comprises a frame. A transverse rack is arranged in the middle of the frame, a belt conveyor is correspondingly arranged on the transverse rack right below a first discharge port, the belt conveyor comprises a supporting rack, a driving wheel, a driven wheel, a motor, a carrier rollerbracket, a V-shaped carrier roller unit, a belt, an adjusting bolt and an adjusting nut. A mixing weighing hopper is arranged on the lower surface of the transverse rack right below a sand cabin, a first baffle plate and a second baffle plate are arranged at the lower end of a second discharge port, a piston rod of a driving air cylinder is hinged to the first and second baffle plates, and a beltscale is arranged in a position, corresponding to the second discharge port, below the mixing weighing hopper. By adjusting the bolt to stretch on the V-shaped carrier roller unit, the adjusting function of a guide slot of the belt conveyor is achieved, the discharge port of the mixing weighing hopper is opened and closed quickly, and the proportioning accuracy is improved.

The invention discloses a solar street lamp for road lighting. The solar street lamp comprises a base, and a lead screw is vertically installed in the center of the top of the base through a bearing.The bottom of the outer wall of the lead screw is sleeved with a buffer mechanism. The top of the outer wall of the lead screw is sleeved with a driving block. Connecting rods are symmetrically mounted at the left end and the right end of the driving block; a lampshade is mounted at the bottoms of the connecting rods; a lamp body is installed at the end, away from the connecting rods, of the lampshade. A mounting base is mounted at the top of the lead screw; a GPS positioner is mounted at the left end of an inner cavity of the mounting base; a single-chip microcomputer is mounted at the rightend of an inner cavity of the mounting base; the transmission mechanism is adopted to drive the lead screw to rotate; the lead screw is adopted to enable a driving block to drive the connecting rods to slide up and down, so that the height of a lamp body is conveniently adjusted, a reserved block is conveniently taken out of the inner cavity of a reserved groove when the lamp body is damaged or breaks down, disassembly and replacement are convenient, the practicability of the street lamp is improved, and inconvenience brought to workers due to manual climbing is avoided.

The invention discloses a power distribution cabinet convenient to overhaul. The power distribution cabinet comprises a power distribution cabinet shell, observation windows, a cabinet door, a door lock, electric brake bodies, a fixed wire tying assembly and a wire outlet. A hinge is fixed to one side of the power distribution cabinet shell through a screw. The cabinet door is fixed at one end ofthe hinge through screws. The cabinet door is located on one side of the power distribution cabinet shell. The door lock is arranged on one side of the cabinet door. The door lock is connected with one side of the power distribution cabinet shell. The observation windows are connected to the two sides of the center of the top of the cabinet door in a sleeving manner. A plurality of electric brakebodies are arranged in the power distribution cabinet shell. A plurality of inverted L-shaped clamping plates are fixed in the power distribution cabinet shell through screws. The power distribution cabinet convenient to overhaul is simple in structure and convenient to operate. The traditional screw fixing mode is abandoned, so that the power distribution cabinet convenient is firmer in fixation.The power distribution cabinet convenient is convenient to mount and dismount. The electric brake bodies can be taken out at will. Therefore, the power distribution cabinet is convenient to overhauland replace for users.

The invention provides a rear buffer device of an engineering truck and the anti-collision engineering truck, and belongs to the technical field of vehicle engineering. The rear buffer device comprises a connecting frame, a buffer frame and a power support assembly. When the engineering truck runs, the power support assembly is started, the buffer frame is turned upwards by 90 degrees to be lifted, and the engineering truck can run conveniently; when the engineering truck is suspended and carries out construction, the power support assembly is closed, the buffer frame is turned downwards by 90degrees to fall down, the buffer frame is horizontally placed at the rear end of the engineering truck, and the engineering truck is prevented from being collided. The buffer frame can contract in the running direction of the engineering truck, when the engineering truck is paused and conducts construction and an a vehicle behind cannot brake in time to collide with the buffer frame, the buffer frame is stressed to contract in the collision direction to conduct buffering, so that the collision force of the vehicle is counteracted, and the engineering truck is effectively prevented from beingcollided; and a buffer space can be provided for the rear vehicle, so that major accidents of vehicle damage and casualty of the rear vehicle are avoided.

The invention relates to the packing box field, and provides a packing box for long-distance cucumber transport and based on thorn rubbing prevention. The packing box for the long-distance cucumber transport and based on the thorn rubbing prevention comprises a packing tank, a top hanging brace mechanism, a plurality of adaptive inflated bags and a movable limiting mechanism, wherein the bottom ofthe packing tank is in an open state, the top hanging brace mechanism is located in the packing tank, the top hanging brace mechanism comprises a support hanging plate, a plurality of through hangingholes, a compression plate and a movable air sac, and the support hanging plate is fixedly installed on the inner wall of the packing tank. The packing box for the long-distance cucumber transport and based on the thorn rubbing prevention prevents cucumber thorns from being damaged by separating cucumbers one by one and using separate spaces generated through gas expansion for preventing the cucumber thorns from contacting with anything, and simultaneously flexibly supports the cucumbers and limits positions of the cucumbers, thereby effectively solving the problems that puncturing and scratching situations are easily caused due to rubbing among cucumbers, the protection thorns are easily rubbed off, cucumber pulp is exposed, and then quality of the cucumbers is easily influenced during the common long-distance cucumber transport process.

The invention relates to a protecting device of a wholesale bridge pillar that has the following structure: an impact wheel is movably fixed at the front end of a buffer push rod, a lateral protecting board is connected with a flexible jointing board, the buffer push rod is connected with a movable water gate board through a connecting rod, an air-actuated drive rod is arranged on the movable water gate board and connected with other air-actuated drive rod through a reverse wheel, the lateral protecting board is connected on a sealed float chamber through the connecting rod, and through the sealed float chamber, the protecting device ascends and descends along with the rising and falling of water level, floats on water, and can always be protective regardless of the height of the water level. The protecting device of the wholesale bridge pillar can always be protective when the wholesale bridge pillar is impacted by various boats from different directions, and has simple structure and easy implementation.

The invention belongs to the technical field of keyboards, and discloses an intelligent keyboard capable of automatically recovering elastic force. The intelligent keyboard comprises a shell; a ratchet rod is inserted into the surface of the shell; a key is fixedly connected to the top of the ratchet rod; a ratchet wheel is engaged with the side surface of the ratchet rod; a centrifugal wheel is rotatably connected to one side, far away from the ratchet rod, of the ratchet wheel through a belt; a baffle is arranged below the centrifugal wheel; an extrusion rod is fixedly connected to the bottom of the baffle; a wind shielding wheel is arranged in the air injection pipe; a rotating shaft is connected to the surface of an inner wheel of the wind shielding wheel in an engaged mode; a guide pipe is arranged below the rotating shaft; a suction cup is rotatably connected to the bottom of the guide pipe; a deflection plate is arranged on the side, away from the ratchet wheel, of the centrifugal wheel. According to the intelligent keyboard capable of automatically recovering the elastic force, through cooperative use of the ratchet rod and the ratchet wheel, the rebounding capability of the key can be automatically recovered, the key is not needed to replace in a keyboard use process.

An embodiment of the present invention provides a locking device for the lower side door of a freight open car and a freight open car. The locking device includes a pressing assembly and a connecting assembly. The pressing assembly is connected to the side wall of the freight open car. The pressing assembly is used for The lower door abuts, the connecting assembly is arranged on the side wall, and the connecting assembly is connected with the pressing assembly, so that the pressing assembly abuts against the lower door and the pressing assembly is in a state of pressing the lower door. In the locking device for the lower side door of the open freight car and the open freight car provided by the embodiment of the present invention, the connecting assembly is arranged on the side wall of the open freight car, the pressing assembly abuts against the lower side door, the connecting assembly is connected with the pressing assembly, and the connecting assembly Under the action of the pressure, a pre-tightening force is generated between the pressing assembly and the lower side door, and the pre-tightening force between the pressing assembly and the lower side door can offset the impact force of the goods, thereby avoiding the deformation of the lower side door and avoiding the occurrence of damage to the lower side door of the freight gondola. To solve the problem of leakage, the sealing of the lower side door of the freight gondola is improved.

The invention discloses an anti-sideslip manual weight reducing gait trainer. The anti-sideslip manual weight reducing gait trainer comprises a supporting assembly and a training assembly, wherein thesupporting assembly comprises a bottom frame, caster wheels, a fixed seat, side supporting frames and anti-sideslip wheels; the bottom frame is in sliding connection with the caster wheels, and is located on the upper sides of the caster wheels; the fixed seat is fixedly connected with the bottom frame, and is located on the upper side of the bottom frame; and the side supporting frames are fixedly connected to the outer side of the bottom frame. According to the anti-sideslip manual weight reducing gait trainer disclosed by the invention, the anti-sideslip wheels are arranged on the front side, the left side and the right side of the weight reducing gait trainer, so that the contact area of the apparatus and the ground is enlarged, and when a sudden situation occurs, and a patient is subjected to sideslip, generation of an accident can be reduced to a certain extent; and a rubber block is mounted on each side supporting frame, and a sucker is mounted on each rubber block, so that when impact occurs, the suckers have certain adsorbing effect, the rubber blocks and the suckers can offset a part of impacting force, and the safety of the apparatus is improved.

The invention discloses a power equipment control cabinet which comprises a cabinet body, a buffer mechanism is arranged at the bottom of the cabinet body, fixing plates are fixedly connected to the two sides of the inner wall of the cabinet body, clamping grooves are formed in the opposite sides of the two fixing plates, and a mounting mechanism is arranged between the opposite sides of the two fixing plates. The invention relates to the technical field of control cabinets. According to the electrical equipment control cabinet, clamping blocks can be retracted into limiting grooves by rotating knobs, the number and height of mounting mechanisms can be adjusted according to actual requirements, the electrical equipment control cabinet is high in use flexibility and convenient to operate, damaged electrical components can be maintained conveniently, practicability is improved, under the action of a conveying water pump, water flow circularly flows in a water inlet pipe, a condenser and a water outlet pipe, the heat dissipation effect of the control cabinet can be effectively improved in combination with a micro heat dissipation fan and a large heat dissipation fan, damage to electrical components caused by too high temperature is prevented, the service life of the control cabinet is prolonged, and the protection effect is good.

The invention discloses a dislocation bottle pushing device and a bottle square array anti-falling method. The dislocation bottle pushing device comprises a main body frame and a plurality of bottle pushing rods. The main body frame is arranged across a conveyer belt used for conveying a bottle square array and provided with a transport belt which works circularly in a surrounded mode. The bottle pushing rods are arranged on the transport belt alternatively. One end faces of the bottle pushing rods are provided with a plurality of grooves which are matched with bottle bodies of the bottles. The depth of the grooves is smaller than or equal to the largest radius of the bottle bodies. The space between every two adjacent grooves is smaller than the largest diameter of the bottle bodies. The bottle pushing rods are transversely located above the conveyer belt and not higher than the bottle bodies when running on the lower portion of the main body frame, the speed of the bottle pushing rods is higher than that of the conveyer belt, and the grooves in the bottle pushing rods are toward the bottles. Through the dislocation bottle pushing device and the bottle square array anti-falling method, a bottle square array can be effectively prevented from falling during the conveying process, and the conveying efficiency of the bottle square array is improved. In addition, no paper pads or paper support boxes need to be used.