16results about How to "Strong pressing force" patented technology

The utility model discloses a water conservancy project flood prevention device, and relates to the technical field of flood prevention devices, the water conservancy project flood prevention device comprises a flood prevention assembly, the flood prevention assembly is composed of an L-shaped water retaining seat and a front end extension plate, the interior of the L-shaped water retaining seat is of a cavity structure, and the top of the L-shaped water retaining seat is open; when an L-shaped baffle structure composed of the L-shaped water retaining base and the front end extending plate is placed on the ground, an inner cavity of the L-shaped water retaining base is filled with water through an opening in the top of the L-shaped water retaining base, and the pressing force between the bottom of the L-shaped water retaining base and the ground and between the bottom of the front end extending plate and the ground is increased. According to the flood prevention assembly, the L-shaped water retaining base of the cavity structure is arranged, water is filled into the inner cavity of the L-shaped water retaining base when the stability is weak due to small water flow, and therefore the pressing force between the L-shaped water retaining base and the ground and the pressing force between the front end extending plate and the ground can be increased, and the flood prevention assembly can keep a stable state under the condition that the water flow is small.

The invention relates to the technical field of ship engineering, in particular to a ship hole sealing device which comprises a connecting piece, a blocking piece, a sealing piece and a pressing piece. The stopping piece is connected to the connecting piece; the blocking piece can penetrate through the hole and is blocked with the plate body in the axial direction of the hole; the sealing piece is sleeved on the connecting piece; the pressing piece is assembled to the connecting piece in a threaded mode. Wherein the blocking piece, the plate body, the sealing piece and the pressing piece are sequentially arranged in the axial direction of the hole; in the using process, an operator firstly enables the blocking piece to penetrate through the hole and enables the blocking piece to block the end, away from the operator, of the plate body, then the sealing piece sleeve and the pressing piece are assembled on the connecting piece, only the pressing piece is made to abut against the sealing piece through rotating pressing, and the sealing piece can block a port of the hole; according to the sealing device for the ship hole, large pressing force can be formed between the sealing piece and the plate body through the pressing piece, and therefore the sealing device for the ship hole can have good sealing performance and can be stably connected with a ship.

The invention discloses a cage trolley carrying robot and a carrying method. The cage trolley carrying robot comprises a first chassis and a second chassis which are connected through a hinge shaft, and a chassis body capable of self-adapting to the terrain is formed; the scissor-fork assembly stretches across the double chassis, one end of the scissor-fork assembly is hinged to the first chassis, and the other end of the scissor-fork assembly is hinged to the second chassis; the moving assembly comprises a driving wheel with a damping seat and a universal wheel; a two-dimensional code camera is integrated on the scissors fork arm, and the two-dimensional code camera and the SLAM laser part on the chassis form a hybrid navigation system; through the design of the hinged chassis and the cross-chassis shear fork mechanism, the ultralow initial height of the robot is achieved, and the robot can enter low spaces such as the bottom layer of a goods shelf; the road holding force of the driving wheel is enhanced and the trafficability and the stability of the complex ground are improved by utilizing the coupling of the mechanical characteristics of the hinge structure and the shear fork mechanism; the hybrid navigation mode can be flexibly switched according to scenes, global autonomy and node accuracy are integrated, and the automation level, environmental adaptability and operation efficiency of cage trolley carrying are improved.

The utility model provides a tray for rotating an empty barrel, and relates to the technical field of industrial empty barrel production, a tray main body is characterized in that a conical boss is arranged in the middle of the top end of the tray main body, four sliding grooves are formed in the top end of the tray main body in the radial direction, and an elastic pawl is slidably connected in each sliding groove; an annular air cavity is formed in the peripheral edge of the tray body, a groove is formed in the middle of the bottom end of the tray body, and a rotating shaft is installed in the groove. The conical boss is designed to guide the empty barrel to automatically slide into the center when the empty barrel is reversely placed, + / -0.5 mm level positioning precision is achieved, manual adjustment is not needed, an automatic production line is adapted, meanwhile, the elastic buffer pad arranged on the outer wall of the conical boss compensates for the tolerance of a barrel opening, and the barrel body is prevented from being damaged by hard collision. The elastic pawl mechanism is extruded and contracted by the conical boss when the barrel body is pressed downwards, and then the pawl is meshed with the protruding part at the bottom end of the inverted buckle of the empty barrel, so that mechanical self-locking is formed.

The utility model relates to the technical field of flange sealing structures, in particular to a pressure self-tightening type middle flange high-temperature leakproof sealing structure which comprises a lower flange and an upper flange, the lower flange and the upper flange are connected through a fixing assembly, and a sealing assembly is arranged between the lower flange and the upper flange. The lower flange comprises an arc-shaped first bearing face facing the upper flange, a sealing piece is arranged in the middle of the lower flange and comprises a first pressure-bearing face facing the first bearing face and a second pressure-bearing face facing the upper flange, a first sealing groove is formed in the middle of the first pressure-bearing face, and a second sealing groove is formed in the middle of the second pressure-bearing face. An auxiliary sealing ring is connected to the middle of the first sealing groove in a clamped mode, a main sealing ring is connected to the middle of the second sealing groove in a clamped mode, through the arrangement of the sealing pieces and the sealing assemblies, during use, the sealing pieces achieve self-tightening sealing through pressure, sealing treatment is conducted on the flange connecting position through mutual cooperation of the sealing assemblies, and therefore the sealing reliability and stability are greatly improved.

The utility model provides a kind of high-efficiency energy-saving stator core using combined silicon steel sheet, it is related to motor parts technical field, including silicon steel sheet, fixed part one, fixed part two;The both sides of the silicon steel sheet are respectively equipped with positioning groove and locating piece A, and locating piece A is movably clamped in the inside of positioning groove, two groups of round holes are equipped on silicon steel sheet, the upper end of fixed part one is equipped with six groups of recess, and eight groups of locating rods are fixedly connected in the inside lower end of fixed part one, the upper end outside of locating rod is equipped with thread, fixed part two is placed in the upside of fixed part one, eight groups of round holes are equipped on fixed part two, by inside thread and the top end outside thread thread connection of locating rod, and damping washer is equipped in the bottom end of inner thread pipe, fixed part one and fixed part two are tightly connected together, form strong compacting force to multilayer silicon steel sheet core, guarantee compact core structure, solve the problem that the stability of the structure of existing traditional combined core may be insufficient after assembly.

The utility model relates to the technical field of tar separation, in particular to a separator. The separator provided by the utility model comprises a tank body, a stirring device and a sealing structure, the stirring device is inserted into the separation cavity of the tank body and comprises a stirring assembly and a driving shaft. The sealing structure is arranged between the tank body and the driving shaft, the sealing structure comprises a connecting piece and a first sealing assembly, the connecting piece is arranged around the driving shaft and connected with the tank body, the connecting piece is provided with a first containing space, and the first sealing assembly is located in the first containing space and arranged around the driving shaft; wherein the first sealing assembly comprises a first sealing piece with preset deformation quantity, the first sealing piece is provided with a cavity and a communicating part communicating with the cavity, the communicating part is used for being connected with an external pressure source, and the external pressure source is configured to inject a pressure medium into the cavity through the communicating part; therefore, the size of the first sealing piece in the radial direction of the driving shaft is adjustable, and the sealing effect is improved.

This invention relates to the field of aviation repair, specifically to a closed-type fluoroplastic retaining ring assembly device and its usage method. The assembly device includes an upper clamping ring and a lower clamping ring, which are locked together by locking screws. Both the upper and lower clamping rings have internal grooves to facilitate pressing the fluoroplastic retaining ring into the part. The specific steps are as follows: S1, inspect the part surface; S2, heat the fluoroplastic retaining ring; S3, install in a hot state; S4, heat to shrink; S5, install and tighten; S6, lock and apply pressure; S7, shrink and shape; S8, natural cooling; S9, visual inspection; S10, cleaning. During use, the upper and lower clamping rings can be controlled to slowly adhere to the fluoroplastic retaining ring, preventing distortion and deformation. The locking screws are tightened gradually, making operation simple and convenient. The clamping force can be controlled and gradually increased to ensure the fluoroplastic retaining ring is properly shrunk. The operation is simple, has a high error tolerance, and is beneficial for improving assembly efficiency and quality.

The utility model discloses an assembled inspection well leakproofness self-checking structure, which is characterized in that the inspection well structure on two sides of a joint is respectively called as a part A and a part B, the part B is lower than the part A, two annular sealing rings are arranged on the splicing surface of the part A and the part B at intervals, and an active sealing part is defined by the two annular sealing rings, the part A and the part B; a press-in hole is formed in the part B on one side of the active sealing part, and a pressure relief hole is formed in the part A on the other side of the active sealing part; a convex connecting part is correspondingly arranged between the part A and the part B, and a split bolt is connected between the convex connecting part of the part A and the convex connecting part of the part B; and more than three groups of pressing devices are uniformly arranged in the circumferential directions of the part A and the part B. Through the arrangement of the active sealing part, the press-in hole and the pressure relief hole, water injection and pressing are facilitated in the active sealing part, and the water pressure resistance of the two annular sealing rings is tested. When the water pressure resistance is insufficient, a split bolt of the pressing device can be adjusted, the sealing pressure resistance is improved, and a foundation is provided for grouting sealing.

The invention relates to the technical field of robot control, and discloses a robot control method and device for an industrial pipeline, and the method comprises the steps: calculating a motion and posture coefficient based on a pitch angle, a roll angle, a motion speed and a motion acceleration of a robot; calculating an external force coefficient based on the cable dragging force and the operation counter-acting force; calculating a working condition attachment matching degree based on the instantaneous slip rate and the temperature under the motion and attitude coefficient and the external force coefficient; calculating a geometric coefficient of the pipeline based on the inner diameter, the bending radius and the inner local obstacle height of the pipeline; and based on the working condition attachment matching degree and the pipeline geometric coefficient, the target supporting arm pressing force is calculated, and the current supporting arm pressing force is adjusted to a target value. Through multi-source information fusion, the attachment state of the robot and the pipe wall and the geometric condition of the pipeline are dynamically evaluated, self-adaptive adjustment of the pressing force of the supporting arm is achieved, and the movement stability, passing ability and operation reliability of the robot in the complex pipeline environment are effectively improved.

This invention relates to a portable, mobile pipe cleaning machine and its usage method, belonging to the field of pipe cleaning equipment. The invention includes a frame and a housing, with the housing mounted on the frame. Its structural features include a clamping system, a protective tube structure, a tensioning structure, and a drive mechanism. The clamping system is located inside the housing, the protective tube structure is located at the rear of the housing, the tensioning structure is located at the bottom of the housing, and the drive mechanism is mounted on the tensioning structure and connected to the clamping system. The clamping system includes a clamping assembly and a clutch assembly, both of which are fitted onto a flexible shaft sleeve, and the clamping assembly cooperates with the clutch assembly. The clutch assembly includes a fixed seat, a clutch retainer, and a clutch top ring. The fixed seat is mounted on the housing, the clutch retainer is mounted on the fixed seat, and the clutch top ring is mounted on the clutch retainer, cooperating with the clamping assembly.

The utility model discloses a kind of crimping pipes, including crimping pipe main body, the first connecting cavity and the second connecting cavity are respectively set up in crimping pipe main body both ends, and the first connecting cavity is communicated with the second connecting cavity, the surface of crimping pipe main body is located in the opposite position of first connecting cavity and second connecting cavity and is evenly distributed and set up with compression hole, and the compression hole is communicated with the first connecting cavity and the second connecting cavity, compression screw is installed in the compression hole.Combining with the structure design of the utility model, by adopting compression screw and compression hole directly locked dead fixed mode, replace the connecting mode of traditional compression bolt and compression hole bolt, increase compression force, so that effectively solve the situation of compression bolt loosening in use process, reduce the occurrence of failure.

This utility model belongs to the technical field of motorcycle parts and discloses an adjustable motorcycle rear license plate holder. It includes a fixed frame; a movable plate that can move longitudinally to one side of the fixed frame to clamp the license plate; and a clamping device located inside the movable plate to clamp the license plate. The fixed plate is fixedly connected to the inner side of the movable plate, and the clamping plate is slidably connected to the side of the movable plate. A screw connects the fixed plate and the clamping plate to control the movement of the clamping plate. An elastic rod is located on the side of the clamping plate near the fixed frame to hold the license plate firmly. The clamping plate has a first sliding groove, a first sliding rod is slidably connected to the first sliding groove, a pointed end is fixedly connected to the end of the first sliding rod near the fixed frame, and a first spring is located between the pointed end and the clamping plate. This design solves the problem in the prior art where resonance at the license plate connection point easily causes the screws to loosen, resulting in the license plate falling off.

The utility model relates to a kind of reset device and extruding machine of extruding machine die, and the reset device of extruding machine die in it, including rack;Driving element;Lever;Reset push rod;The first end of driving element is hinged with rack, the second end of driving element is hinged with the first end of lever;The part between the first end and the second end of lever itself is hinged with rack, to form fulcrum;The second end of lever is hinged with the first end of reset push rod and is slidably arranged, the second end of reset push rod is used to abut with die holder, and reset push rod is slidably matched with rack.The reset device of extruding machine die of the utility model, by driving element, lever and reset push rod, die can be reset to the position close to pressure pad, ensure that the distance between die end face and spade will not change due to drawing.

The application discloses a drying module and a compressor interface connector of a drying all-in-one machine, which comprises a connector main body, an accommodating cavity is arranged on the inner wall of the connector main body, a gasket cylinder is arranged on the inner wall of the connector main body, the gasket cylinder seals the accommodating cavity, and the accommodating cavity is filled with filling material; the accommodating cavity comprises a groove one, a hole one and a groove two, and the groove one and the groove two are communicated through the hole one; the gasket cylinder is provided with a pipeline, the pipeline comprises an end part, the end part is inserted into the gasket cylinder, the end part is provided with a recess part, the gasket cylinder is provided with a convex part one, and the convex part one is inserted into the recess part so as to limit the axial movement of the end part along the connector main body. The application provides the drying module and the compressor interface connector of the drying all-in-one machine, provides the elastic connection of the pipe fitting, and reduces the problems of the loose connection pipe and the fracture caused by the vibration.

The utility model discloses a kind of intelligent fusion terminals capable of diversified equipment load management, it is related to intelligent fusion terminal technical field, specifically includes: fusion terminal equipment, socket, plug, the load management module is equipped in the fusion terminal equipment, the bottom of the plug is provided with a stable mechanism, to ensure that plug remains stable docking state when inserting socket, wherein the stable mechanism is signal connected with the load management module, to allow or prohibit load switching after plug is completely inserted.The utility model realizes the stable support to plug by the collaborative work of support plate, spring piece and magnetic block, hollow magnetic bar.After plug is inserted into socket, support plate rotates to appropriate angle under the elastic reset action of spring piece, and support plug by rubber plate of inner wall, avoid vibration to cause plug to appear loose problem.