65results about How to "Prevent sliding back and forth" patented technology

The invention discloses a device convenient for moving a light building wallboard. The device comprises a roller, a transport plate and a bearing box which are sequentially connected, wherein the bearing box is positioned above the transport plate; a plurality of mounting holes are formed in the lower surface of the bearing box; axes of the mounting holes are perpendicular to the horizontal plane;damping springs are arranged in the mounting holes; a plurality of limiting rods are arranged on the upper surface of the transport plate; axes of the limiting rods are perpendicular to the horizontal plane; one end of each limiting rod is connected with the upper surface of the transport plate, and the other end of each limiting rod is separately inserted into one mounting hole, and is connectedwith the corresponding damping spring. The bearing box is arranged for fixing the two ends of the wallboard, so that the wallboard is prevented from sliding back and forth on the transport plate, andeven slipping from the tail part of the transport plate; and meanwhile, the damping springs are used for damping, so that a condition that the wallboard is damaged by vibration is avoided.

The invention relates to the technical field of substation device inspection, and particularly relates to a multi-angle grounding wire suitable for a substation. The grounding wire comprises an insulation operation rod and an electric wire clamp used for clamping a high-voltage wire. A screw is connected between the electric wire clamp and the insulation operation rod. The electric wire clamp comprises a first contact and a second contact. The first contact is rotatably connected with the insulation operation rod. The second contact is movably connected with one end of the screw. An accommodating cavity which matches the high-voltage wire is formed between the first contact and the second contact. According to invention, high-voltage wires with different wire diameters can be effectively embedded; the positions of the high-voltage wires are fixed, and the high-voltage wires are prevented from slipping back and forth; in use, the angle of the first contact can be adjusted according to the field condition to adapt to horizontal and vertical high voltage wires at various angles; changing the direction of the insulation operation rod is not needed; the operation is easy; a contact surface is effectively fixed; and the installation of the grounding wire is firm.

The invention provides a soil sampling and detecting device which comprises a platform lorry, an antiskid mechanism, a lifting mechanism, a soil drilling mechanism, a sampling mechanism and a continuity detecting mechanism; the front side and the rear side of the platform lorry are each provided with one lifting mechanism, the sampling mechanism is connected to one lifting mechanism, and the soil drilling mechanism is connected to the other lifting mechanism; and the sampling mechanism comprises a soil sampling motor, a circular column and digging claws; the circular column is vertically arranged, the soil sampling motor is mounted above the circular column, a circular cavity is formed in the center of the interior of the top end of the circular column, a vertically-arranged main shaft is arranged in the circular cavity, and the top end of the main shaft is connected with the output end of the soil sampling motor. The soil sampling and detecting device provided by the invention has the advantages that multiple groups of soil samples can be sampled on a same layer while sampling is carried out in multiple layers of areas, multiple groups of data are provided for subsequent soil detection, the detection accuracy is improved, detection is carried out simultaneously, and the working efficiency is remarkably improved.

The invention relates to a multilayer skid-proof breathable flame-retardant automobile foot mat composite material. An upper surface layer is a leather layer; a sponge layer is arranged below the leather layer, an XPE material layer is arranged below the sponge layer, and a burr gecko sticker is arranged below the XPE material layer; the leather layer is firstly closely bonded with the sponge layer, then threads are embroidered between the leather layer and the sponge layer, and then the leather layer and the sponge layer are closely stitched again. The composite material is capable of effectively preventing the foot mat from sliding forwards and backwards, ensuring the riding safety of drivers and passengers and simultaneously ensuring riding comfortableness of the passengers; the burr gecko sticker below the rear part is capable of achieving fixing and breathing functions; after the foot mat is washed, the water vapor of the lower layer can evaporate as soon as possible.

The invention relates to a completely-encircling foot pad used for a multifunctional massage automobile. The foot pad comprises a foot pad body and a bottom-layer encircling pad, the foot pad body comprises a tread portion and a massage portion, the upper layer of the massage portion is a fiber cloth layer, an XPE material layer is located below the fiber cloth layer, a skin needling gecko attachment layer is arranged on the lower portion of the XPE material layer, two rows of massage strips are fixedly installed at intervals at the two sides of the upper surface of the fiber cloth layer in a parallel mode, two rows of massage balls are fixedly installed at the positions, between the two rows of massage strips, of a piece of fiber cloth, and a double-faced leather layer is installed at a sewing strip of the upper surface of the fiber cloth layer in a hinged mode by sewing. The completely-encircling foot pad comprises the upper-layer foot pad body and the lower-layer encircling pad, the upper layer is detachably installed on the encircling pad, when too much dust is accumulated in the upper-layer foot pad bodies, the upper layer can be detached down for cleaning and replacement separately, the lower-layer encircling body is protected effectively, and the replacement and installation are quite convenient.

The invention discloses a liquid cooling module and a liquid cooling server. The liquid cooling module comprises a heat exchange box, cold plates, gravity assisted heat pipes and fixed pressing pieces; the two parallel cold plates are connected through the gravity assisted heat pipes, and the outer sides of the gravity assisted heat pipes are sleeved with the fixed pressing pieces used for pressing and fixing the cold plate at the lower end; a heat exchange box is arranged on the cold plate at the upper end, and a liquid inlet nozzle and a liquid outlet nozzle are arranged on the side wall ofthe heat exchange box. A liquid cooling server comprises a case and a liquid cooling module; a fixed cover plate and a movable cover plate are arranged at the upper end of the case; the movable coverplate comprises a first cover plate and a second cover plate; the first cover plate is in butt joint with the fixed cover plate; the second cover plate is in butt joint with the first cover plate; aninstallation groove for containing the liquid cooling module is formed in the butt joint position of the second cover plate and the first cover plate, a baffle used for blocking is arranged in the installation groove, the heat exchange box is arranged outside the case, a liquid receiving groove is formed in the upper end of the second cover plate, and a liquid inlet pipe and a liquid return pipe which are communicated with the heat exchange box are arranged in the liquid receiving groove.

The invention discloses an accessory structure applied to an automobile windscreen wiper. The accessory structure comprises an accessory body internally of a cavity structure, and a through insertingpin hole is formed in the middle of the side face of an accessory. The accessory structure is characterized in that the two sides of the inserting pin hole are each provided with a boss in a symmetrical distribution mode; two S-shaped holes are formed in the bottom of the accessory body; and convex hulls are arranged in the accessory body. The accessory structure has the advantages that the two sides of the inserting pin hole of the accessory body are each provided with the boss in the symmetrical distribution mode, the two S-shaped holes are formed in the accessory body, thus the accessory isprevented from sliding back and forth when connected with a hook plate, and the stability of the windscreen wiper accessory is improved.

The invention discloses a double-ferrule type pipe connector for a nuclear power unit. A connecting block, a clamping connection unit and fastening units are included. According to the connecting block, the front side and the rear side of the connecting block are provided with the fastening units. According to the clamping connection unit, the clamping connection unit comprises ferrules, inner threads, outer threads and connecting pipes, the two connecting pipes are arranged, the inner side ends are connected with the left end and the right end of the connecting block correspondingly, the inner threads are arranged on the surfaces of the outer side ends of the two connecting pipes, the two ferrules are arranged, the inner threads are arranged in the inner side ends, the inner side ends ofthe ferrules are matched with the outer side ends of the connecting pipes, the diameter of the interiors of the ferrules is larger than the diameter of the exteriors of the connecting pipes, and the inner threads are matched with the outer threads. Pipe bodies are further included, and the two pipe bodies are arranged and matched with the interiors of the outer side ends of the two connecting pipes correspondingly. The double-ferrule type pipe connector for the nuclear power unit is convenient to use, firm in fixing, good in seal effect and long in service life.

The invention provides a screw rotating device capable of automatically disengaging threads, and belongs to the technical field of manufacturing equipment. The screw rotating device comprises a motor, a transmission shaft and a screw rod, the transmission shaft and the screw rod are connected through an automatic thread disengaging assembly, the automatic thread disengaging assembly comprises an outer sleeve and an inner cylinder, the outer sleeve is fixedly connected with the transmission shaft, the screw rod is fixedly connected with the inner cylinder, and the outer sleeve is sleeved outside the inner cylinder and is relatively and fixedly connected with the inner cylinder through an elastic piece; and in a normal state, the motor drives the transmission shaft to rotate, the outer sleeve, the inner cylinder and the screw rod are sequentially driven to synchronously rotate, when rotation of the screw rod is limited, the inner cylinder and the outer sleeve are separated from a fixed connection state, the outer sleeve can slip and rotate outside the inner cylinder, and automatic thread disengaging of the screw rod is achieved. According to the invention, the screw rod and the transmission shaft are not fixedly connected but are relatively fixedly connected through the automatic thread disengaging assembly, the normal condition is that the screw rod and the transmission shaft synchronously rotate, and when the rotation of the screw rod is limited, the screw rod and the transmission shaft are disconnected, and the screw rod does not excessively rotate along with the transmission shaft, so that the screw rod is protected.

The invention relates to the field of composite board preparation, in particular to a polyurethane foam composite board, a preparation system and a preparation process. The process comprises the following steps that S1, a metal plate is placed on the upper sides of a plurality of triangular convex edges on a flat plate, so that two barrier strips block the front side and the rear side of the metalplate correspondingly; S2, when a pressing frame is pressed downwards, the pressing frame can be pressed on the metal plate, and then a plurality of triangular-prism-shaped grooves are formed in themetal plate by pressing by the aid of the plurality of triangular convex edges; S3, the lower portions of multiple rotating rollers are moved to the lower side of the pressing frame, then the multiplerotating rollers are driven to roll left and right on the metal plate when the pressing frame moves left and right, and then the triangular convex edges are further pressed on the metal plate; and S4, the metal plate subjected to groove pressing enters the upper portion of a lower rotating wheel, when the metal plate continuously moves leftwards, the lower rotating wheel and felt are driven to rotate, mucilage glue is added into a groove box, the felt rotates to roll up the mucilage glue, and the felt smears the mucilage glue on the plurality of triangular-prism-shaped grooves in the lower side of the metal plate.

The invention relates to a steel pipe transport truck which comprises a carriage, a cab, a rubber protection box, multiple first rubber protection mats and a rubber protection cover. The longitudinalsection of the rubber protection cover is of a U-shaped structure. The rear ends of steel pipes are inserted in an inner cavity of the rubber protection cover. Traction ropes are fixed to the rubber protection cover. A winding machine and a pulley are fixed to each of the left end and the right end of the front side face of a rear side board. The traction ropes are wound round the pulleys and thenfixed to and twined round the winding machines. The short steel pipes placed in the carriage can be protected in the transporting process through utilization of first protection mat bodies and firstbuffer strips; and the front ends of the long steel pipes are clamped in containing grooves of a containing box, the rear ends of the long steel pipes are placed on the rear side board, the tail endsof the steel pipes are coated with the rubber protection cover, the two ends of the rubber protection cover are fixed to the carriage through the traction ropes, the tail ends of the steel pipes are fixedly coated with the rubber protection cover, and the steel pipes are prevented from sliding forwards and backwards in the transporting process.

The invention discloses an electronic component mounting base convenient for heat dissipation. The mounting base comprises a mounting base main body, and a through hole is formed in the surface of thetop of the mounting base main body, and penetrates through the mounting base main body; a check ring is mounted on the surface of the side wall of an inner cavity of the through hole; a limiting column is arranged on the surface of the top of the check ring; a hollowed-out plate is mounted on the surface of the top of the limiting column; a limiting groove is formed in the surface of the hollow plate; a fixed frame is mounted on one side of the bottom of the check ring; and cooling fans are mounted in an inner cavity of the fixed frame. According to the invention, a plurality of groups of cooling fans are arranged in the fixed frame; the bottom of the hollow plate can be cooled; holes are formed in the surface of the hollow plate; and meanwhile, the damping springs can reduce the influence of vibration generated during operation of the cooling fans on the mounting base main body, the depth of the supporting legs inserted into the sleeves can be flexibly adjusted through the screw holes and the bolts, and therefore, an operator can flexibly adjust and use the mounting base conveniently according to his / her own needs.

The invention provides specially-shaped part clamping equipment of a numerically-controlled lathe, belongs to the technical field of tool fixtures, and aims to solve the problems that existing tool fixtures of numerically-controlled lathes are single in function, specially-shaped parts cannot be clamped directly, the production precision is difficult to guarantee and the production quality is reduced. The equipment comprises an upper clamping plate; each of the upper clamping plate and a lower clamping plate adopts the half-cylindrical-pipe-shaped structure; the front end of the upper clampingplate and the front end of the lower clamping plate are distributed in the half-horn shapes. According to the equipment, an upper cushion block and a lower cushion block are added to the outside of aspecially-shaped casing pipe part, a first arc-shaped surface is formed at the front end of the upper cushion block, a second arc-shaped surface is formed at the front end of the lower cushion block,the arc-shaped surfaces are matched with the horn mouth part of the specially-shaped casing pipe part in diameter, the specially-shaped casing pipe part is clamped between the cushion blocks during clamping, the middle section of the part can be thickened, the horn mouth can be avoided, the specially-shaped casing pipe part can be clamped firmly, the specially-shaped part can be clamped easily and quickly, the influence of the specially-shaped part on production and machining can be eliminated, and the production quality is guaranteed.

The invention discloses a novel textile machine comprising a machine base and two or more winding assemblies. The winding assemblies are arranged on the machine base and are sequentially arrayed fromleft to right. Each winding assembly comprises a slide groove formed in the machine base and communicating with the front portion and the top of the machine base. A detachable winding frame body capable of sliding leftwards and rightwards is arranged in each slide groove. Cam containing grooves are symmetrically formed in the left end wall and the right end wall of each slide groove. A drive cavity is formed in the portion, behind each cam containing groove, in the machine base. The novel textile machine is simple in overall structure and safe and reasonable in design, bobbins can slide leftwards and rightwards while rotating, and therefore it is avoided that the bobbins are wound into a pile during winding, and uniformity and stability of winding of the bobbins are increased; and the whole device is safe and reliable in operation, convenient and rapid to operate and convenient to detach, transport, repair and maintain.

The invention discloses a device for carrying light composite wallboards. The device comprises rolling wheels and a conveyance board which are sequentially connected, wherein the upper surface of theconveyance board is provided with position-limiting boards both at the end close to the forward direction of the rolling wheels and the end away from the forward direction of the rolling wheels; the position-limiting boards are perpendicular to the forward direction of the rolling wheels; a plurality of shock-absorbing springs are arranged on the opposite surfaces of the position-limiting boards;the telescopic direction of the shock-absorbing springs is parallel to the forward direction of the rolling wheels; moving boards are arranged at the ends, away from the corresponding position-limiting boards, of the shock-absorbing springs; and the position-limiting boards can move along the upper surface of the conveyance board by compressing the shock-absorbing springs. The device for carryingthe light composite wallboards prevents the wallboards from sliding back and forth on the conveyance board and avoids the situation that the wallboards slide down from the tail of the conveyance board. Moreover, the device performs shock absorption by virtue of the springs on moving rails of the rolling wheels so as to avoid the damage to the end surfaces of the wallboards when the wallboards directly hit the position-limiting boards.

The invention discloses a cable multi-directional distribution box, which comprises a support plate, a box body and a collection pipe. The surface of the support plate is provided with a chute, and the left and right sides of the support plate are fixed with mounting plates. The surface of the box body is welded with a slide plate, and the box body is located above the support plate. Port sleeves are installed on the front and rear sides of the box body, and the inside of the port sleeve is provided with a crimping buckle. A distribution pipe is installed, and the collection pipe is located in the middle of the box body. The surface of the distribution pipe is provided with a distribution hole, and screws are installed on the upper and lower sides of the distribution pipe, and the middle of the collection pipe is fixed. There is a wire fixing rod, and a groove is arranged on the outside of the wire fixing rod, a restraint ring is installed on the outside of the groove, and a slider is fixed on the inner wall of the restraint ring. The cable multi-directional junction box can be used for multiple cables, and the internal cables are arranged neatly without confusion, and the whole can slide after installation to avoid rearranging the cable directions.

The invention discloses a bow thruster coupler shrinkage fit tool. The bow thruster coupler shrinkage fit tool comprises a tray. Multiple hollow column bodies are evenly arranged in the circumferential direction of the center of a bottom plate of the tray, the heights of the column bodies are not larger than the height of a coupler, the radius of a circle defined by the column bodies is larger than that of the coupler, and heating parts are arranged in the column bodies. The tool has the beneficial effects of being simple in structure, convenient to use, safe and reliable, the heating parts are arranged, the coupler is firstly heated and then moved to the tray of the tool, switches of the heating parts are switched on, the coupler continues to be heated or subjected to heat preservation, then the coupler aligns at a motor shaft to complete vertical shrinkage fit, heating and aligning are carried out simultaneously, sleeving is achieved through one step, and no faults are easily caused;through supporting of the bottom plate of the tray, the heated coupler is not likely to deform, the coupler is completely cooled after being subjected to in-place sleeving, it is avoided that the coupler is subjected to cold deflation and fixation before being in place, and material waste is avoided; and the space defined by the hollow column bodies is used for containing the heated coupler, andit is avoided that the coupler slides on the bottom plate of the tray back and forth, so that alignment of the coupler and the motor shaft is affected.

A reinforced steel bar binding tool support belongs to the field of engineering construction equipment, and particularly relates to a support used during binding of reinforced steel bars. The reinforced steel bar binding tool support comprises a first support and a second support, the first support comprises four supporting rods which are connected and are arranged integrally, the four supporting rods comprise a first supporting rod, a third supporting rod, a second supporting rod and a fourth supporting rod, wherein the first supporting rod and the third supporting rod are horizontally arranged, the second supporting rod and the fourth supporting rod are vertically arranged, upper ends of the second supporting rod and the four supporting rod are respectively connected with the left end and the right end of the third supporting rod, the second supporting rod and the fourth supporting rod are respectively perpendicular to the third supporting rod, the right end of the first supporting rod is connected with the lower end of the second supporting rod, and the first supporting rod is perpendicular to the second supporting rod; and the second support is a fixed supporting rod which is vertically arranged, a through hole is arranged on the upper portion of the fixed supporting rod, the third supporting rod penetrates into the through hole of the fixed supporting rod, and the fixed supporting rod is slidably sleeved on the third supporting rod. By the aid of the reinforced steel bar binding tool support, binding of a reinforced steel bar framework is simplified, fatigue degree of workers is decreased, and deformation of the formwork due to long-distance carrying is avoided.

The invention discloses a dust-proof and dehumidifying safe cabinet for smart home. The safe cabinet comprise guide wheels, a cabinet body, an inner cabinet body, drawers, cabinet doors, mirrors, a freshener box, a clothes rack, an ultraviolet lamp, a humidity sensor, a steam spray type electric iron, hooks and a dust collector, wherein the guide wheels are arranged on the bottom face of the cabinet body, an anti-damping plate is arranged on the bottom of the cabinet body, the inner cabinet body and the drawers are arranged in the cabinet body, the cabinet doors are hinged to the cabinet body,and the mirrors are arranged on the inner walls of the cabinet doors; the fresher box and the dust collector are arranged in the cabinet body, through holes are uniformly formed in the fresher box, the clothes rack is arranged in the cabinet body, hanging rings are arranged on the clothes rack, a blower and the humidity sensor are arranged on the inner wall of the top of the cabinet body, the ultraviolet lamp is arranged on the top of the cabinet body, the steam spray type electric iron is arranged in the cabinet body, and the hooks and a fixing clamp are arranged on the inner wall of the cabinet body. By means of the dust-proof and dehumidifying safe cabinet, it can be ensured that the inside of the cabinet smells fresh, insect damage is prevented, it is ensured that the clothes in the cabinet body are clean, and the situation that malignant bacteria and viruses are bred and adhere to the clothes, so that the fitness of people is affected is avoided; the structure is simple, the safecabinet is convenient to use, and popularization is facilitated.

The invention discloses a high-strength ultra-micro glass fiber cotton reinforced HDPE double-wall corrugated pipe. The HDPE double-wall corrugated pipe is prepared through the following steps that 1,100-120 parts by weight of HDPE resin, 40-60 parts by weight of wood flour, 1-3 parts by weight of a titanate coupling agent, 7-9 parts by weight of ethylene propylene diene monomer and 30-45 parts by weight of ultramicro glass fiber cotton are weighed; and 2, the wood flour is dried through two-stage combined pulse airflow. One side of the corrugated pipe makes contact with a second L-shaped rod, one end of the pipe is inserted into the clamping mechanism; meanwhile, three cylinders II are driven; a piston rod pushes a lifting block to ascend upwards in a sliding groove. A rubber base is pushed to move through a second rotating block, a connecting rod and a first rotating block, under cooperation of a rocker, the corrugated pipe is clamped through a rubber belt, the connecting rod is sleeved with a spring, through the arrangement of the spring, in the moving process of the rubber base, good buffering performance is achieved, and the corrugated pipe is prevented from being damaged.

The invention relates to a material tray placement frame for an internal heating type heat pump drying device, which includes a fixed frame and a sliding plate. There are two fixed frames, which are fixedly connected by a connecting rod. They are respectively connected to the fixed frame in a vertical shape. One end of the fixed frame is provided with a strip-shaped slot, and the outer surface of the other end is provided with an iron stopper. The lower end of the iron stopper is connected to the side of the fixed frame through a coupling shaft. It can rotate around the connecting shaft. There is a magnet on the top of the connecting shaft. The magnet is fixed on the side of the fixed frame. There is a strip plate matched with the strip-shaped through-slot structure, and a pull block is set in the middle of the other end, and the two sides of the end of the sliding plate close to the pull block are respectively symmetrically provided with stoppers matched with the iron stopper structure. Groove; the present invention has the advantages of reasonable structure and convenient use.

The invention relates to a rigid insulating foam plastic processing machine. The machine comprises a workbench, transporting mechanisms and a cutting mechanism. The transporting mechanisms are arranged on the left and right sides of the workbench symmetrically. The cutting mechanism is mounted in the middle of the workbench, and a guide groove is formed in the middle of the workbench. Each transporting mechanism comprises a guide sliding rail, an electric sliding block, a supporting plate, a pressing plate and a pressing cylinder. The cutting mechanism comprises a rotary shaft, a rotary block,cutting branch chains, a working plate and adjusting cylinders. Each cutting branch chain comprises a winding reel, auxiliary plates, a steel wire, a guide barrel, a matched barrel, a connecting frame and a rotary block, wherein the guide barrel comprises a fixed barrel body, a telescopic barrel body, a spring and overlap hooks. According to the rigid insulating foam plastic processing machine and a processing method thereof, a foam plate is cut into a plurality of foam blocks at a time in a linear cutting mode, in addition, the size and quantity of the foam blocks can be regulated accordingto practical needs, regulation is flexible, and the application range is wide.

The invention discloses a CNC machine tool power head, the structure of which comprises a motor protective cover, a circuit box, an assembly buckle, a transmission box, a transmission motor, a fixed plate, a main shaft controller, an adjustment rod, an electric main shaft, a processing tool handle, and a guide block , guide thread, main shaft body, rotation axis, the transmission box and the fixed plate are rectangular in structure and connected by fastening, the left side of the transmission motor is installed on the upper right side of the transmission box through the fixed plate. The beneficial effect of the present invention is that: the rotation axis provided inside the electric spindle provided by the utility model fits the striped surface of the guide block through the guide thread, thereby ensuring the dynamic balance during rotation and preventing front and rear sliding, improving the Machining accuracy, to avoid processing impact.

The invention discloses a power equipment moving device for power engineering. The power equipment moving device for power engineering comprises a chassis, wherein a rotating groove column is fixedly connected to the center of the top surface of the chassis; the upper part of the rotating groove column is rotatably connected with a fixed rotating rod; the top of the fixed rotating rod is fixedly connected with a fixed bottom block with a U-shaped cross section; side plates, extending upwards, of the left side and the right side of the fixed bottom block are provided with sliding grooves with opposite openings; one end of each sliding groove is provided with an openable clamping opening; a convenient buffering mechanism and a fastening mechanism are arranged in each sliding groove; and the fastening mechanisms are arranged at the clamping openings. The device solves the problems of violent collision between the power equipment and the moving device and collision between the power equipment when the power equipment is quickly moved, so that the product loss of the power equipment in the transportation and movement process is reduced. The stability and the safety of the moving device in the process of moving the power equipment are improved; and the operation flexibility of the moving device is improved, and the carrying efficiency on moving the power equipment is improved.