116results about How to "Pull stable" patented technology

A synchronizing device of drawer sliding rails comprises two sets of sliding rail assemblies arranged on a cabinet left side plate and a cabinet right side plate, wherein a drawer is arranged on the sliding rail assemblies and is at least composed of a bottom and a front panel, each sliding rail assembly is at least composed of a movable sliding rail and a fixed sliding rail, a drawer synchronizing device body is arranged on the left movable sliding rail and the right movable sliding rail or the left fixed sliding rail and the right fixed sliding rail and at least comprises a sliding groove base and a sliding block, the sliding block acts on the sliding groove base, racks are arranged on the sliding block, gears mutually meshed with the racks are rotationally arranged on the sliding groove base and correspond to the racks, and the left gear and the right gear are connected through a rotating connecting rod to achieve synchronous opening and closing of the left sliding rail assembly and the right sliding rail assembly; a poking block is arranged on the movable sliding rails or the fixed sliding rails, and a stopping part is arranged on the sliding block and is loaded on the poking block through elasticity of an elastic part at least when a suspending distance A is preserved between the front panel and the cabinet side plates; the sliding block acts on the poking block through the stopping part in at least one segment of travel when the drawer is opened or closed so that the sliding block can slide on the sliding groove base.

The invention provides a sliding rail system for a refrigerator drawer, and the sliding rail system comprises a refrigerator drawer using the sliding rail system and a refrigerator body. The sliding rail system provided by the invention is characterized by being positioned on the bottom of the refrigerator drawer; a baseboard sunken part is formed by upwards sinking the baseboard of the drawer at left and right ends; a lateral plate extended part is formed by downwards extending the lateral plate of the drawer to the baseboard; a fixed rail support base is connected to the refrigerator body on the bottom of the drawer; a fixed rail is fixed at one side, which is not contacted with the baseboard sunken part, of the upper part of the fixed rail support base; a sliding rail is connected to the inner side of the lateral plate extended part of the drawer; the fixed rail is embedded inside the sliding rail; stopping parts which are mutually matched for preventing the drawer from being completely drawn out are arranged inside the fixed rail and inside the sliding rail; and a plurality of ball bearings are arranged in clearances between the fixed rail and the upper and lower rails of the sliding rail.

A balancing and stabilizing mechanism of a drawer slide rail comprises a fixed slide rail and a movable slide rail which are connected with each other in a sliding way, wherein a middle slide rail is arranged between the fixed slide rail and the movable slide rail; the fixed slide rail, the middle slide rail and the movable slide rail are connected with each other in a sliding way; the middle slide rail is connected with the movable slide rail through a first holding frame in a sliding way; the middle slide rail is connected with the fixed slide rail through a second holding frame in a sliding way; the balancing and stabilizing mechanism is characterized in that a duplex movable gear set is arranged on the middle slide rail; two groups of gears of the duplex movable gear set are respectively engaged with a first rack and a second rack, wherein the first rack is arranged on the first holding frame and the second rack is arranged on the second holding frame, so that the fixed slide rail, the movable slide rail and the middle slide rail slide relative to each other; and the duplex movable gear set is integrally arranged or integrally fixed and then embedded in the middle slide rail after being separately arranged. The balancing and stabilizing mechanism of the drawer slide rail, provided by the invention, has the advantages of convenience and rapidness in mounting and accurate positioning as the duplex movable gear set is integrally fixed after being separately arranged and finally embedded in the middle slide rail; moreover, as a roller arranged on the middle slide rail is connected with the movable slide rail through a pin separately arranged on the middle slide rail in a rolling way, the integral stamping of the pin on the middle slide rail is avoided, the manufacturing process for the middle slide rail is simplified and the production is more convenient.

A drawer slide rail system comprises a slide rail subassembly, wherein the slide rail subassembly is arranged on a side plate of a cabinet and is provided with a drawer; the drawer comprises a bottom plate and a front panel; the slide rail subassembly comprises a movable slide rail and a fixed slide rail; a damping device is arranged on the movable slide rail or the fixed slide rail; when the drawer is closed, the damping device travels by a distance, and an elastic swinging plug A arranged on the damping device touches a shifting nail A arranged at the front end of the fixed slide rail or the movable slide rail; a sliding swinging plug B on the damping device is clamped in a first locking notch in the damping device by a cable, a strap or a rope; when the drawer continues being closed, the sliding swinging plug B touches a shifting nail B arranged at the rear end of the fixed slide rail or the movable slide rail, so that the sliding swinging plug B is released from the first locking notch; and the drawer is automatically closed by a damping spring. A pushing rebounding device is arranged on the movable slide rail, the fixed slide rail or the side plate of the cabinet; when closed, the drawer is automatically stopped at a position which is distant from a pre-stopping position of the side plate of the cabinet by a distance H through an elastic stopping block on the pushing rebounding device, and is positioned by elasticity; and moreover, the drawer is automatically opened by the elastic stopping block.

Single crystalline ingots can be stably pulled free from dislocation and with a good crystal shape by actuating a crystal driving unit so as to immerse a seed crystal in a silicon melt, and controlling the crystal driving unit and a crucible driving unit under predetermined conditions so as to pull the seed crystal. During pulling, a horizontal magnetic field positioning device applies a magnetic field in the horizontal direction to the inside of the silicon melt, fixing the magnetic field axis at a constant position from the liquid surface of the melt. Positional adjustment of the vertical position of the horizontal magnetic field is performed in advance by a magnetic field position adjusting device, and the magnetic field axis of the applied field is fixed at a constant distance lower than the liquid surface of the melt by more than 50 mm and at the same level or higher than a depth L from the melt surface at the point of tail-in.

A drawer slide rail which is closed in a damping mode and opened in a pressing mode comprises a slide rail assembly arranged on a cabinet side plate. A drawer is arranged on the slide rail assembly and is at least composed of a bottom plate and a front panel. The slide rail assembly is at least composed of a movable slide rail and a fixed slide rail, and the movable slide rail and the fixed slide rail are both provided with a pressing rebounding device, a damping device, a shifting part A and a shifting part B which interact with one another. Each damping device makes contact with the corresponding shifting part A when the drawer is closed by at least a segment of travel, and the drawer is automatically closed through the acting force of each damping device. The front panel automatically pauses at a pre-pause distance H relative to the cabinet side plate through the pressing rebounding devices when the drawer is automatically closed, the front panel is pressed in the closing direction in the opening process, and the drawer is automatically opened through the acting force of the pressing rebounding devices. Due to the structural improvement, the drawer slide rail has the advantages of being simple and reasonable in structure, safe, reliable, small in size, long in service life, steady and smooth in the pulling process, small in exerted force, convenient to operate, and humanized in design and is high in practicability.

The invention discloses an extraction guide device of a drawer, which comprises two guiding units which are arranged the left and the right side of the drawer, wherein each guiding unit comprises a lower sliding rail, a middle sliding rail and an extraction sliding rail which are fastened sequentially from up to down, an idler wheel is arranged between the extraction sliding rail and the middle sliding rail, the idler wheel transmits a load between the extraction sliding rail and the middle sliding rail; a connecting device is arranged on the middle sliding rail of at least one guiding unit, with the help of the connecting device, the middle sliding rail and the extraction sliding rail are connecting at the end of a sliding path of the middle sliding rail and the extraction sliding rail when the drawer is about to be closed; an interspace is arranged the fastening part of the middle sliding rail and the lower sliding rail, a b-shaped ball base is arranged in the interspace, the interspace of the fastening part is filled with the ball base, the top of the ball base is provided with a lower walking plate, an upper walking plate is arranged on the extraction sliding rail; and a control wheel is arranged on the middle sliding rail, and rolls between the upper walking plate and the lower walking plate. The extraction guide device has the advantages of being compact in structure because micro interspaces exists among the three sliding rails, and solving the problem of poor stability among the sliding rails due to overlarge interspaces among the traditional sliding rails to ensure that the pulling process of the drawer is more stable.

The invention belongs to the field of machine design and manufacturing-high grade numerical control machine tool and basic manufacturing equipment, and relates to large-scale seven-shaft linkage numerical control laying and winding integrated forming equipment. A main machine which is formed by three linear shafts and one rotating working table rotating shaft, and a laying and winding head which is driven by three rotating shafts are adopted to composite three translation movement and four rotation movement to achieve laying and winding head spatial motion track control and workpiece rotation.A conveying belt u shaft is adopted to drive winding and rewinding of a cloth belt and speed adjustment to achieve eight-shaft control seven-shaft linkage laying, and therefore automatic forming of acomposite material skin structure with all kinds of spacial special-shaped hook surfaces is achieved. The spatial motion track of the laying winding head can be directly controlled, even a workpiecewith the special-shaped hook surface can be accurately attached to the surface of the laying winding head for laying and winding, and therefore forming operation of material cutting after solidifyingand forming can be reduced and even avoided. Pollution is reduced, the cost is saved, and efficiency is improved. The automatic tow placing technology provides an equipment platform suitable for engineering application research and manufacture.

The invention relates to a panoramic sunroof machine set which comprises an end sliding support, a main sliding support, a lifting arm, a sliding wedge and a driving unit, wherein the main sliding support is installed on a sunroof guide rail and corresponds to the end sliding support; the upper part of the main sliding support is provided with a first slide rail which is gradually upward from an outer end to an inner end; one end of the lifting arm is pivoted with the end sliding support, and the lower part of the lifting arm is provided with a second slide rail matched with the first slide rail; and the sliding wedge is correspondingly clamped on the first slide rail and the second slide rail. By using the driving unit to drive the sliding wedge to slide on the second slide rail on the lifting arm and the first slide rail on the main sliding support, accurate control of relative movement of the lifting arm and the main sliding support is realized; and the driving unit can be used for pulling the whole machine set, thereby smoothly pulling large panoramic sunroof glass loaded by the machine set.

The invention discloses a buffer self-attraction vertical type board body drawer structure. The buffer self-attraction vertical type board body drawer structure comprises a pair of riding buffer guide rails, a pulling basket assembly for containing tableware, a drawer assembly, a cabinet inner container and a draw fixing support set; the draw fixing support set and the drawer assembly are riveted into a whole to be fixed to the riding buffer guide rails in a locking manner to form a vertical type mutual supporting intensity board body drawer structure; the drawer self buffer attraction function is achieved; pulling and pushing are stable; mutual collision between the tableware is avoided in the pulling-and-pushing process; and the bearing intensity is high. Meanwhile, the service life of a drawer is long; the condition that the drawer is not closed in place in the using process of the user is avoided; and the buffer self-attraction vertical type board body drawer structure is more user-friendly. The riding buffer guide rails are fixed to the cabinet inner container, and the bottoms of the riding buffer guide rails are installed on the lateral faces of the cabinet inner container in a locked manner, so that the lateral-fixation bottom-supporting high-supporting-force effect is achieved. In addition, the drawer structure further has the functions of drawer water collecting, cabinet inner container bottom plate water guiding and cavity externally-arranged water receiving box water receiving; a water collecting box can be taken out, and therefore convenience is brought to washing; and the pulling basket assembly can be taken out, so that accumulated water in the drawer is avoided, cleaning is simple and convenient, and an inner cavity is clean and dry.

The invention discloses a lifting device for construction engineering. A motor is fixedly mounted on a base through a motor mounting seat, the output end of the motor is connected with a first rotating shaft through a coupling, and winches are arranged on and connected with the first rotating shaft through keys; first hydraulic cylinders are fixedly arranged on a sliding block, a supporting frameis arranged on the two sides of the sliding block, a second sliding groove is formed in the supporting frame in the vertical direction, a supporting plate is in sliding connection within the second sliding groove in the supporting frame, and piston rods of the first hydraulic cylinder are connected with the lower bottom surface of the supporting plate by welding; and a cargo storing frame is of arectangular structure, stop blocks are symmetrically arranged on the two rectangular sides of the cargo storing frame, the stop blocks are arranged on the cargo storing frame by welding, third slidinggrooves are further formed in the cargo storing frame, clamping plates are in sliding connection within the third sliding grooves in the cargo storing frame, and a tightening belt and a hook are arranged on the other corresponding two sides of the cargo storing frame respectively.

The invention discloses an easily-pulled stable anti-dropping drawer structure, relates to the field of hardware sliding tracks, and solves the problems that a drawer is too heavy to stay on sliding tracks and is hard to slide. The easily-pulled stable anti-dropping drawer structure comprises a shell, a drawer, a support plate and a support module, wherein drawer sliding tracks are designed in symmetric positions on two sides of a drawer bottom plate; the drawer is assembled inside the shell through the drawer sliding tracks in a sliding manner; the support plate is fixedly mounted inside support plate fixing grooves of drawer side plates; sliding track pulleys are mounted on the drawer sliding tracks in the sliding manner; the support module is fixedly mounted inside a support block fixing groove in the shell; the support pulleys are rotationally mounted at the upper end of the support module; the support pulleys are in contact with the lower ends of the drawer sliding tracks. Due to simultaneous support of front and rear fulcrums, the drawer is more stable in pulling, is relatively easy to pull as the gravity center is changed, and is simple in structure.

The invention relates to carrying devices, in particular to a rubble carrying device for rare earth mining. According to the rubble carrying device for rare earth mining, the time and labor are saved,labor intensity is small, and rubble can be prevented from falling off in the carrying process so as to be saved. The rubble carrying device for rare earth mining comprises a hopper and the like, a turnover device is arranged on a conveying device, and the hopper is connected to a turnover part of the turnover device and located on the upper portion of the turnover device. Through the turnover device, the situation that the rubble is taken out from the hopper by an operator for treatment is not needed, and thus convenience and rapidness are achieved; through an opening-closing mechanism, therubble can be blocked so as to be prevented from falling off from the hopper in the carrying process; and the effects that the time and the labor are saved, the labor intensity is small, and the rubble can be prevented from falling off in the carrying process so as to be saved are achieved.

The invention discloses an electric vehicle charging pile comprising a charging pile body which is arranged on the ground or a wall, a wire for transmitting a current through the charging pile, a charging gun connected with one end of the wire and used for being inserted in a vehicle charging hole and a placing device for placing the charging gun, wherein the placing device includes a box body, aplacing chamber with a downward opening, a clamping component disposed in the placing chamber and a driving component for driving the clamping component to move upwards. The clamping component is matched with the charging gun to clamp the charging gun. The opening of the placing chamber is arranged to be downward. When falling to the box body, rainwater flows down along the left side and the rightside wall of the box body and does not permeate into the placing chamber during flowing, so that the placing chamber is internally continuously kept dry, it is ensured that the charging gun is not affected by moisture, and the short circuit and electric leakage and the like of the charging gun are effectively avoided.

The invention relates to the technical field of logistics transportation, in particular to a container structure easy to lift and locate heavy goods. The structure comprises a box body, wherein an upper bracket is arranged on the upper part of the inner side of the box body in the length direction of the box body, a mobile platform is arranged on the upper bracket, a support layer is arranged at the bottom of the inner side of the box body, and an accommodation space is formed above the support layer. According to the structure, a plurality of vertical grooves are formed in the support layer at the bottom of the box body, jacking units are arranged in the vertical grooves, the mobile platform at the top of the box body can drive a lifting platform below the support layer to move back and forth and can move up and down slightly, namely part of the jacking units can be lifted or lowered, and when part of the jacking units lift, the goods can be moved freely on the support layer, the goods on the outer edge of a carriage are conveniently transported inwards to suitable positions without the need of tying ropes, no problem of shaking during transportation exists, and safety is improved.

The invention discloses an anti-theft door based on a block chain technology, and belongs to the technical field of antitheft safety. The anti-theft door comprises a wall body, wherein a door frame ismounted in the wall body; an antitheft door body is hinged to the left side of the door frame. A fingerprint door lock body is fixedly connected to the middle of the right side of the anti-theft doorbody. A locking assembly is fixedly connected to the middle of the left side of the back of the anti-theft door body. The locking assembly is electrically connected with the fingerprint door lock body; a pressure sensor is fixedly connected to the back surface of the antitheft door part on the right side of the locking assembly; a carbon monoxide detector is fixedly connected to the back of the antitheft door part on the right side of the pressure sensor; and a temperature sensor is fixedly connected to the back of the antitheft door part on the right side of the carbon monoxide detector. Theanti-theft door has the advantages that the anti-theft door is high in protection capacity, timely alarming can be carried out when indoor conditions occur by the aid of linking with the block chainsystem, the anti-theft door is high in safety, carbon monoxide poisoning can be prevented, and fire disasters can be prevented.

The invention provides a domestic plastic wrap usage auxiliary device based on pressing and stretching, and relates to the technical field of plastic wrap. The domestic plastic wrap usage auxiliary device based on pressing and stretching comprises a barrel body; the interior of the barrel body is rotationally connected with a vertical column, and the periphery of the vertical column is sleeved with plastic wrap; the right side of the plastic wrap inside the barrel body is elastically connected with guide rollers, the interior of the right side of the barrel body is elastically connected with limiting blocks, and the bottom of the barrel body is slidably connected with a slide plate; and the left end of the slide plate is fixedly connected with a first spring. According to the domestic plastic wrap usage auxiliary device based on pressing and stretching, the plastic wrap can be stably and flatly drawn out, operation is convenient and effortless, the wrapping effect is improved, the plastic wrap can be subjected to longitudinal directly cutting, the phenomenon that the port of the plastic wrap is excessively stretched and is uneven due to tearing is avoided, next normal usage is facilitated, and meanwhile, plastic wrap wasting is avoided.

The invention relates to a foundation pile high strain detection device, and belongs to the technical field of foundation pile detection. The foundation pile high strain detection device comprises a supporting frame, a heavy hammer and a lifting mechanism arranged on the supporting frame and used for lifting the heave hammer, wherein the heavy hammer comprises a bottom plate and at least one balancing weight connected to the bottom plate, and the lifting mechanism is connected to the heavy hammer. The counterweight blocks of the heavy hammer can be set according to the actual situation, the weights of the heavy hammer are different by adding different numbers of counterweight blocks, then the heavy hammer matches with foundation piles of different sizes, and the working efficiency is improved.

The invention discloses an auxiliary net hauling device of a fishing boat net hauler, the auxiliary net hauling device comprises a device main body, a tracking monitoring plate body and a top plate, the device main body, a fixed circular plate and an embedded column are included, the right side of the device main body is fixedly connected with the fixed circular plate, the bottom of the device main body is fixedly connected with the embedded column, and the lower part of the device main body is fixedly connected with a stable seat; a fixed circular plate is fixedly connected to the right side of the upper portion of the stabilizing seat, a movable rod is fixedly connected to the right side of the fixed circular plate, a limiting plate is fixedly connected to the right side of the movable rod, movable balls are movably connected to the two sides of the limiting plate, and nesting grooves are connected to the peripheries of the movable balls in a nesting mode; the friction force between the three wheels and the steel rope is increased, it is better avoided that in the net hauling process, the steel rope and the three wheels slip, the net hauling work is affected, a fishing net is better pulled up, the device body and an auxiliary net hauling mechanism on the right side of the device body can rotate through an embedded column and a limiting round plate, and the direction of the device is more conveniently adjusted.