34results about How to "Guarantee a fixed position" patented technology

The invention discloses a method and apparatus for mechanical fixation of a dynamic extensometer in a high temperature fatigue test. According to the method, two U-shaped plates with specially-produced V-shaped grooves are fixed on the surface of a fatigue test piece through fastening screws and the front end of the high temperature dynamic extensometer is embedded into the two V-shaped grooves, so sliding of the dynamic extensometer in the process of fatigue testing is avoided. The apparatus is mainly composed of thin plates and the fastening screws, wherein the thin plates are equipped with the specially-produced V-shaped grooves. The apparatus is simple in structure and easy in processing. According to the invention, on the basis that the surface morphology of the fatigue test piece is not changed, sliding of the dynamic extensometer in the process of high temperature fatigue testing is effectively avoided, deformation of the test piece in the process of fatigue testing is accurately measured, and smooth implementation of fatigue testing is guaranteed; and the apparatus has the characteristics of good versatility, simple operation, easiness in processing and repeated usability.

An extensible bed comprises a main bed body (9) and an extensible auxiliary bed body (8), wherein an auxiliary bed body (8) driving device is arranged in the main bed body (9). Therefore, when the auxiliary bed body (8) extends out, the bed body can be widened; when the auxiliary bed body (8) contracts into the main bed body (9), the bed body is recovered to original size. Thus, existing space can be enlarged under the situation that bed increase is needed, meanwhile it can be ensured that the auxiliary bed body (8) is stored in the main bed body (9) under the situation that bed increase is not needed, and space is effectively saved while the demand is met.

The invention discloses a method and device for mechanically fixing a dynamic extensometer in a high-temperature fatigue test. The method fixes two U-shaped plates with special V-shaped grooves on the surface of a fatigue sample by fastening screws, and the high-temperature dynamic The front end of the extensometer is embedded in two V-shaped grooves, which avoids the sliding of the dynamic extensometer during the fatigue test. The device is mainly composed of a thin plate and fastening screws. The thin plate has a special V-shaped groove. The device has a simple structure and is easy to process. The invention effectively avoids the sliding of the dynamic extensometer during the high-temperature fatigue test without changing the surface morphology of the fatigue test, accurately measures the deformation of the sample during the fatigue test, and ensures the smooth progress of the fatigue test. It has the characteristics of strong versatility, simple operation, easy processing and reusable device.

The invention relates to a trachea cannula convenient to tooth combination and fixation. The device comprises a through pipe, an airbag pipe, a limiting sleeve, a movable frame, a movable block, a rubber clamp and a sleeve rod, the limiting sleeve is inserted into the outer wall of the circumference of the through pipe, the left side of the limiting sleeve is fixedly connected to the movable frame, sliding grooves are formed in the left side wall and the right side wall of an inner cavity of the movable frame, and a main push plate and an auxiliary push plate which correspond to each other aremovably connected into the sliding grooves and the movable frame. According to the trachea cannula convenient to tooth combination and fixation, the limiting sleeve is combined on the through pipe, apush frame is movably connected into the limiting sleeve through a bearing, and two ends of the push frame are controlled by the push plates. In the opening and closing process, the height of the movable block at the tail end of the push frame is changed, the movable block can carry a tooth sleeve to be released out of the grooves, the combined rubber clamp is used for sleeving and supporting upper teeth and lower teeth, and the push plates are fixed to the sleeve rod at a determined opening angle in a mode of rotating a sleeve rod nut. The trachea cannula can fix a through pipe, and guarantee smoothness.

The invention relates to a plug of wire terminal, which arranges first and second plugs at the frame of heat radiator. Wherein, the first plug is connected to the wire of motor stator of heat radiator and fixed on then frame; the second plug is connected to the connecting wire with clamping pins around; the part of heat radiator relative to the clamping pins has clamping returning holes fixing the clamping pins. The invention can confirm the fixing position of second plug, even at high-frequency vibration, and via the quick detachment of clamping returning holes; the second plug can quickly detach, to convert variable wires.

The invention relates to a wire terminal plug, which is equipped with a first plug and a second plug on the frame body of the heat dissipation system equipment; wherein the first plug is connected with the wire connected to the motor stator of the heat dissipation system equipment, and is fixed on the frame in a constant manner. On the body; the second plug is connected with the wire to be transferred, and its periphery is provided with buckle feet, and the corresponding buckle feet of the heat dissipation system equipment are provided with a buckle back hole for the buckle feet to be fastened. By adopting the above technical solution, the present invention can ensure the fixed position of the second plug on the one hand, and it will not fall off even if it is in a high-frequency vibration environment for a long time; It has the advantage of quick disassembly and assembly, and achieves the purpose of conveniently changing various wires.

The invention discloses a massager with a flexible frame. The massager comprises a massager body and a control board, wherein the massager bod comprises a silicone layer and a frame coated in the silicone layer; an elastic ring which can be deformed under an external force is arranged on the massager body; a vibration motor I and a battery are arranged at one end of the frame, and a vibration motor II and a charge head are arranged at the other end of the frame; and the control board is electrically connected with the vibration motor I and the vibration motor II. According to the C-shaped structure at the center of the silicone frame, the fixed position of power lines and control lines can be ensured, stretched deformation of single side of a massager fit hole cannot be stopped, and elastic deformation of a mount hole can be realized to adapt to different users; and due to use of the silicone frame, the whole massager has good flexibility, and the comfort and safety of the massager canbe promoted by matching with the external silicone coating.

The invention discloses a hand-operated window opener. The window opener is connected with a window frame and comprises a shell, a telescopic rack push rod and a rocker; the rocker is in transmission connection with the rack push rod through a transmission mechanism, and the transmission mechanism comprises a screw rod portion arranged on the rocker and a gear a in transmission connection with the screw rod portion; the gear a is connected with the rack push rod, one end of the rack push rod is connected with a window sash capable of being opened and closed, and the rear end of the rack push rod is connected with a gear b; a hand crank rotates to drive an internal thread to transmit, extension and shrinkage motion of a chain is achieved, the chain can control the opening angle and ensure the fixing position, and finally the aim of conveniently opening and closing a window is achieved; on the basis of the thread transmission and chain motion mechanical principle, the window sash is pushed in a hand-operated manner, the aim of facilitating window opening is achieved, the window opener is particularly applied to opening of the window which is inconveniently opened and closed by the old, and meanwhile the opening angle can be controlled, and locking is ensured.

The invention relates to the technical field of traveling data recorders, and discloses a quick disassembly and assembly type vehicle networking vehicle traveling data recorder which comprises a shell, a recording mechanism is arranged in the shell, a mounting mechanism is fixedly connected to the upper surface of the shell, a supporting column is arranged on the mounting mechanism, and a fixing plate is fixedly connected to the top end of the supporting column. By arranging the recording mechanism, when the recording mechanism is damaged and needs to be overhauled, a screwing block is shifted to drive a gear to rotate, the gear rotates to drive a rack to move downwards, and under the action of a T-shaped block and a T-shaped groove, the rack can stably move along a track and can drive a fixed box to move away from a shell; the spring rod stretches through self elasticity to push the cover plate to move leftwards to leave the fixing box, meanwhile, the cover plate drives the mounting plate to move through the supporting rod, the mounting plate drives the circuit to move to leave the fixing box, meanwhile, the illuminating lamp is controlled to be turned on, the environment on the circuit board can be illuminated, and workers can conveniently overhaul the circuit board.

The invention discloses an embedded part for a refrigerator, which comprises a body and grooves. A mounting space with an open rear side is defined in the body, a through hole is formed on the front wall of the body, the grooves are disposed on side walls of the body, and a first flange is formed at the edge of one side, which faces to the inner side of the body, of each groove. The embedded part in an embodiment of the invention is fixed firmly. In addition, punched holes on the refrigerator are omitted, cost is saved, the through hole brings convenience for fixing a screw, and the embedded part is simple in structure, convenient in installation and high in assembly efficiency. The invention further discloses the refrigerator comprising the embedded part.

The machine has a bearing block (51) inserted in a housing-fixed bearing (49) for movably bearing a fork lever. The lever is coupled with a relay e.g. engagement relay. Compensating and / or sealing elements (1, 2) e.g. sealing lips, are designed for clearance-free arrangement of the bearing block in the bearing. The compensating and / or sealing elements seal the bearing with the bearing block. The compensating and / or sealing elements are integrally designed with each other. The compensating and / or sealing elements are aligned along or transverse to a mounting direction (A). Independent claims are also included for the following: (1) a method for mounting an electric machine (2) a method for manufacturing an electric machine.

The invention relates to a stretchable bed with protective fences. The stretchable bed comprises a main bed body (9) and a stretchable auxiliary bed body (8), wherein a driving device for the auxiliary bed body (8) is arranged in the main bed body (9); when the auxiliary bed body (8) stretches out, the bed body is widened; when the auxiliary bed body (8) contracts into the main bed body (9), the bed body recovers to the original size; foldable protective fences are arranged on front and rear surfaces and rear side walls of the auxiliary bed body (8). Thus, under the condition of requiring bed addition, the present space can be expanded; the auxiliary bed body is specially suitable for being used as a bed for children; the auxiliary bed body (8) can be stored in the main bed body (9) under the condition of no bed addition, so that the requirement is met while the space is effectively saved.

The invention relates to the technical field of vibrating diaphragms, in particular to a silica gel vibrating diaphragm adhesive tape and a preparation method thereof. The preparation method of the silica gel vibrating diaphragm adhesive tape comprises the steps of silicon material preparation, mixing and glue forming, blowing and pressing mold closing and rolling shaping; a mold closing machine used in blowing and pressing mold closing comprises a rack, a pressing mold, a film rolling column and a controller; and due to the production mode of injection molding of the silica gel vibrating diaphragm, the thickness of a diaphragm layer of the silica gel vibrating diaphragm is limited, meanwhile, the silica gel vibrating diaphragm produced through injection molding is interfered by the molding process of a mold cavity, internal stress which is not completely eliminated is achieved, and then the performance effect of the silica gel vibrating diaphragm in use is reduced; and therefore, themolding process of the vibrating diaphragm is sequentially performed on the blow-molded and stretched silica gel diaphragm through the pressing mold arranged on the mold closing machine in cooperationwith the protrusions on the diaphragm rolling columns, the molding thickness of the silica gel vibrating diaphragm is reduced, meanwhile, the blow-molded columnar silica gel diaphragm is divided intofour equal parts through the ribs, the production amount of the silica gel vibrating diaphragm is increased, and the preparation method of the silica gel vibrating diaphragm adhesive tape is improved.

The invention relates to the technical field of vehicle maintenance, in particular to a maintenance plate system capable of changing form along with working conditions. The maintenance plate system involves a bottom plate frame and a plurality of wheels arranged below the bottom plate frame, wherein the wheels are vertically and slidably connected to the bottom plate frame through wheel carriers; sliding grooves used for containing the wheel carriers and the wheels are formed in the lower surface of the bottom plate frame, and the wheel carriers are slidably connected into the sliding grooves; and driving devices used for driving the wheel carriers to slide out of the sliding grooves are arranged on the bottom plate frame, the plurality of driving devices corresponding to the wheels are connected with one synchronizing device, and the synchronizing device synchronizes the plurality of driving devices to synchronously drive the wheel carriers to move in the sliding grooves. The maintenance plate system capable of changing form along with the working conditions has the effect of fixing the bottom plate frame in the maintenance process.

The invention relates to a welding workbench. The welding workbench comprises a fixing frame and an overturning frame rotationally fixed to the fixing frame, the overturning frame is connected with a driver with a self-locking function through a linkage mechanism, the linkage mechanism comprises a first transmission part and a second transmission part, the first transmission part and the overturning frame are coaxially and rotationally fixed, the first transmission part is provided with multiple linkage grooves which are annularly and evenly arranged at intervals and used for allowing the second transmission part to stretch inside, the linkage grooves are arranged in the radial direction of the first transmission part and penetrate through the circumferential outer wall of the first transmission part, and the second transmission part can stretch into the linkage grooves or be disengaged from the interiors of the linkage grooves under the action of the driver. The welding workbench has the advantages that the positioning and fixing effects on the overturning frame are better, the subsequent welding and fixing effects of workpieces can be better guaranteed, the workpieces are more convenient to assemble and weld, and the production efficiency can be improved.

The invention discloses a tool for detecting a steel die positioning pin of a CRTSIII type track slab. The top of a fixed cylinder base is connected with a top cover; a prismosphere mounting groove is arranged in the center of the upper surface of the top cover; a prismosphere is mounted in the prismosphere moutnign groove; a downward-protruded pressure spring positioning sleeve is arranged in the center of the lower surface of the top cover; a gripping rod for fixing the positing pin, an inverse cone body and the pressure spring are arranged inside the fixed cylinder base; a groove is arranged in the center of the inverse cone body; a pressure spring positioning sleeve is arranged in the groove of the inverse cone body; the upper part of the pressure spring is arranged in the pressure spring positioning sleeve; the lower part of the pressure spring is arranged in the groove of the inverse cone body; a slot hole corresponding to the length of the pressure spring positioning sleeve is arranged on the side wall of the fixed cylinder base; a connecting rod of a hand wheel connecting rod passes through the slot hole and is connected with the upper part of the side wall of the inverse cone body; a gripper at the lower end of the gripping rod surrounds the root part of the positioning pin; and the top end of the gripping rod is connected with the conical surface of the outer side wall of the inverse cone body in the mode of sliding contact. The tool can be used for converting the deviation of the steel die positioning pin of the track slab into the deviation of the center of a prism and has the advantages of simple structure, convenience in installation and accuracy in positioning.