46results about How to "Good self-locking performance" patented technology

The invention discloses a device and a method for measuring static rigidity of a rolling linear guide rail pair. A servo motor is used for driving a ladder-shaped lead screw to drive a loading nut to load the rolling linear guide rail pair. Three loading methods of vertical loading, deflecting loading and pitching loading can be adopted on the guide rail pair by changing installation positions of the guide rail pair and the type of an upper clamp of the guide rail. Measurement points, which correspond to different loading methods respectively, are distributed on the upper clamp and a lower clamp of the guide rail, and are used for determining deformation displacement of the guide rail pair when the guide rail pair is loaded. According to the device and the method for measuring the static rigidity of the rolling linear guide rail pair, automatic measurements of vertical static rigidity, deflecting static rigidity and pitching static rigidity of the rolling linear guide rail pair are achieved, a loaded load is high, measurement accuracy is high, and needs for different loading methods of different guide rail series can be satisfied.

The invention relates to an active electric power-assisting circulation ball type steering system, comprising a steering column tube assembly, a screw rod moving device, a circulation ball type steering device, an electric power-assisting device and an automatic control module. A steering column tube is connected with the upper part of a screw rod of the circulation ball type steering device through a sliding spline, and the electric power-assisting device is connected with the lower part of the screw rod through a sliding spline; the screw rod moving device is sleeved on the screw rod; the screw rod has two motion freedoms; a freedom of rotating around the axis is controlled by a steering wheel; and the other freedom of moving along the axis is controlled by a screw rod moving control motor; a steering nut is moved by overlapping the effects of rotation and axial movement of the screw rod, so that a transmission ratio of the steering system is changed in real time, and the active steering is intervened. The steering system not only can meet the requirements on lightness and high sensitivity at a low-speed steering process and on stable operation at a high-speed steering process, but also has the characteristics of security, compact structure, low cost and the like. The active electric power-assisting circulation ball type steering system is applicable to a medium / light passenger bus and a lorry.

The invention relates to machinery manufacturing automation assembly lines, in particular to a motor manufacturing assembly line assisted by an industrial robot. A robot-assisting motor stator carrying system comprises a robot, a three-jaw finger, a delivering mechanism and jig bodies. The robot is fixedly connected to the delivering mechanism. The three-jaw finger is movably connected to the executing tail end of the robot. The jig bodies are fixedly connected to the delivering mechanism. The jig bodies are fixedly connected to a chain. The chain can perform long-distance delivery so that stators can be delivered far. The stators are fixedly connected to the jig bodies through flanks of threads of the stators, so that connecting is stable and stationary. The robot grasps the stators and enables the stators to get rid of threaded connection from the jig bodies. Then, the robot moves the stators to the needed position.

The invention relates to a clamping device of a tensile testing machine suitable for plate-shaped samples, belonging to the technical field of the high-end manufacturing equipment industry and material testing machines. The clamping device comprises a worm gear and worm contraction mechanism, a connecting rod amplification mechanism and a wedge clamping mechanism, wherein the worm gear and worm contraction mechanism adopts a special worm gear with two-way internal threads to drive connecting rods on two sides to contract, the connecting rod amplification mechanism pushes a wedge clamping block to move downwards, and finally the effect of clamping a sample is achieved. The clamping device has the amplification principle of the connecting rod mechanism and the self-locking effect of the wedge mechanism at the same time and can ensure the firm tensile clamping force. The clamping device has the advantage of being simple in structure, adopting a self-centering type clamping way and being suitable for a tensile test for plate-shaped samples being 0.5-5mm in thickness. The special worm gear mechanism with two-way internal threads is adopted for driving connecting rods, so that the clamping torque can be further amplified, and the reliable connecting self-locking performance is provided.

The invention belongs to the technical field of automobile dismantling, and particularly relates to a quick disassembling machine for nuts for automobile wheel hubs. The quick disassembling machine comprises a base. A driving mechanism is arranged on the upper surface of the base, a gas barrel and a support rod are fixedly connected with the upper surface of the base, a shell is slidably connectedonto a side wall of the gas barrel and is fixedly connected with the base by a lifting mechanism, a side wall of the shell is slidably connected with the gas barrel, a lifting plate which is horizontally arranged is slidably connected into the shell, and a gas bag is fixedly connected with the lower surface of the lifting plate and is communicated with the gas barrel via a gas guide pipe. The quick disassembling machine has the advantages that the nuts for the automobile wheel hubs can be quickly disassembled by the quick disassembling machine in a labor-saving manner; a pedal can be treaded,a piston can be driven by a pull mechanism and a reset mechanism to move in the gas barrel in the up-down directions, gas can be inflated into the gas bag, and accordingly the lifting plate can ascend; a plurality of nut sleeves can be driven by first transmission mechanisms and second transmission mechanisms to rotate, and accordingly the multiple nuts can be simultaneously disassembled; bull gear transmission can be driven by a movable pulley and pinions, and accordingly labor-saving effects can be realized.

The invention relates to the technical field of optical machine structures, and particularly discloses a reflection mirror switching mechanism. The mechanism comprises a switching mechanism support seat, a reflection mirror support, and a driving assembly. The reflection mirror support is used for installing reflection mirrors and is in hinged connection with the switching mechanism support. The driving assembly is used for driving the reflection mirror support to rotate, and comprises a driving motor, a driving motor runner arranged on the driving motor, and a switching grooved pulley which is in matching connection with the driving motor runner. The driving motor drives the driving motor runner and the switching grooved pulley so as to achieve position switching on the reflection mirrorsupport. According to the invention, rapid switching of the reflection mirrors is achieved; and the mechanism is high in repeated positioning precision, reliable in self-locking ability, compact in structure and easy to process, assemble and adjust.

A hexagonal surface self-locking nut is provided with a hexagonal nut body provided with a threaded hole. The hexagonal surface self-locking nut is characterized in that micro-deformation portions distributed at intervals along the circumference of the hexagonal nut body are evenly arranged on the hexagonal nut body, the micro-deformation portions are produced by exerting radial deformation pressure on the side wall of the hexagonal nut body, and the micro-deformation portions enable the hexagonal surface self-locking nut to achieve self-locking. According to the hexagonal surface self-locking nut, the side wall of the hexagonal nut body is extruded in a three-point extrusion mode, so that the hexagonal nut body and a thread in the threaded hole generate micro-deformation so as to achieve the stable and reliable self-locking effect, a technological portion in a high-lock nut can be replaced, the reliable self-locking effect is achieved, raw materials can be greatly saved, and manufacturing cost is lowered. In addition, the hexagonal surface self-locking nut has the advantages of being simple in structure, convenient to install, capable of being used repeatedly, light in weight, wide in application range and the like.

The invention discloses a stepless stroke adjusting disconnecting switch electric device transmission mechanism which comprises a supporting frame, a motor, a straight gear, a speed reduction device, a screw nut, a bevel gear deviator, a four-bar mechanism, a horizontal power output shaft and a vertical power output shaft. Through a specially-designed mechanical stopping board device and the nut in a screw nut device, a disconnecting switch electric device can be locked in the moving process, and the installation positions of stroke switches installed adjacent to a baffle are modified so that stepless stroke adjustment of the disconnecting switch electric device can be achieved. The transmission mechanism is high in rotating speed, capable of being used for a disconnecting switch with the coincide bus current conversion capacity, stable and adjustable in speed, and capable of being mechanically locked, preventing the stroke from exceeding the limit and making the disconnecting switch turned off and on in place accurately and rapidly. The transmission mechanism is simple, good in reliability, convenient to operate and repair and high in efficiency, and compared with products on the market, the miniaturization characteristic of the mechanism is obvious.

A vacuum tilting lalde used for electrolytic aluminium factory is composed of ladle body with nozzle, Al sucking pipe and Al outlet, machine frame, hanging assemblage linked to machine frame, drive mechanism installed to machine frame, ladle cover with locking unit and laterial plate, operating handwheel, etc.

The invention belongs to the technical field of rubber industry, particularly relates to an intelligent rubber tensile testing device and a testing method thereof, and aims to solve problems that thereplacement process of a sample is complicated and an internal sample clamp needs to be disassembled and assembled for multiple times, two ends of the rubber sample need to be tightly clamped and fixed in the testing process, and clamping parts are always broken firstly in the tensile process, and thus the testing result is inaccurate. According to the scheme, the device comprises a base, a supporting shell is fixedly installed at the top of the base, a partition plate is fixedly installed in the middle of the inner wall of the supporting shell, and a testing rotating shaft is installed at thebottom end of the interior of the supporting shell through a bearing. When a rubber strip sample is subjected to tensile detection, the impact inertia of parts at the two ends can be effectively reduced when the rubber strip is broken, the displacement of the fixing seats at the two ends is controlled more accurately, cracks and tensile states on the surface of the sample can be observed more visually in the tensile test process, and the accuracy and safety of a detection result are improved.

The invention belongs to the technical field of building and bridge equipment, and relates to a replacement structure of a shock insulation support, which comprises a shock insulation support body, wherein the shock insulation support body comprises a rubber column, an upper connecting plate fixedly connected to the upper end of the rubber column, and a lower connecting plate fixedly connected tothe lower end of the rubber column; a plurality of connecting locking pieces are evenly distributed on the outer side of the circumferential surface of the rubber column in a circumferential shape; the upper end of each connecting locking piece is connected with the upper connecting plate in a fastened mode; and the lower end of each connecting locking piece is connected with the lower connectingplate in a fastened mode. By means of the replacement structure, the problem that the vertical height is insufficient when the shock insulation support is replaced can be effectively solved, and the shock insulation layer does not need to be synchronously jacked out of the installation space to install a new shock insulation support.

The invention discloses a ball valve for sampling, a natural gas hydrate fidelity sampler and a sampling method. The ball valve comprises a shell and a valve core which are matched with each other, the valve core is fixedly connected with a plug pin partially located outside the shell, and the part, located outside the shell, of the plug pin is matched with a steering head; and the ball valve further comprises a first piston for driving the steering head to rotate. The invention aims to provide a ball valve for sampling, a natural gas hydrate fidelity sampler and a sampling method. The problems that in the prior art, the sealing process and the sealing structure of a natural gas hydrate sampler are very complex, and the pressure maintaining effect is limited are solved, rapid sealing and opening of the sampler are achieved, pressure stability is guaranteed, and the fidelity degree of a sample is improved.

The invention discloses a stacking machine. The stacking machine comprises a base, a portal frame mechanism, an object carrying table mechanism and a lifting driving mechanism, and the base is provided with a walking mechanism; the portal frame mechanism is mounted on the base; the object carrying table mechanism is mounted on the inner side of the portal frame mechanism and can ascend and descend relative to the portal frame mechanism; the lifting driving mechanism is in transmission connection with the object carrying table mechanism to drive the object carrying table mechanism to move up and down, and comprises a driving assembly and a transmission part connected with the driving assembly and the object carrying table mechanism; a broken rope detection mechanism and an anti-falling mechanism are arranged on one side, away from the portal frame mechanism, of the object carrying table mechanism; the broken rope detection mechanism is fixedly connected with the transmission part; and the anti-falling mechanism comprises a triggering assembly and a locking assembly, the triggering assembly comprises a lever mounted on the locking assembly, an elastic assembly connecting the first end of the lever and the locking assembly, and a connecting rod assembly connecting the first end of the lever and the broken rope detection mechanism. The stacking machine is good in safety.

The invention discloses a quick-disassembly self-sealing valve and belongs to the field of hydraulic accessory design of aircraft hydraulic systems. The quick-disassembly self-sealing valve comprises a fixing end half body and a quick-disassembly end half body. When the two half bodies are in butt joint with each other, oil ways are connected; and when the two half bodies are separated, the corresponding oil ways of the half bodies are sealed. The quick-assembly self-sealing valve is compact in structure, zero leakage can be achieved in the butt joint process and the separation process, the butt joint force and separating force are small, operation is convenient, no special tool is needed, and the self-locking performance is reliable. The scheme of the quick-disassembly self-sealing valve is reasonable and reliable, the dependence on parts is low, no precise component is needed, and the design and manufacturing cost is low; and the quick-disassembly self-sealing valve is convenient to operate and free of professional training and the requirement for special skills.

The invention discloses a mortise and tenon type scaffold inclined strut system. The system comprises a short threaded rod connecting inclined strut and a long threaded rod connecting inclined strut which is arranged to intersect with the short threaded rod connecting inclined strut, and the long threaded rod connecting inclined strut is located at the outer side of the short threaded rod connecting inclined strut; short threaded rods which are perpendicular to the short threaded rod connecting strut penetrate through the upper end and the lower end of the short threaded rod connecting inclined strut respectively, a tenon I is fixedly connected with the inner end of the short threaded rod, the tenon I is assembled in a corresponding central mortise groove plugging seat, and a locking nut I is connected with the outer end of the short threaded rod; long threaded rods which are perpendicular to the long threaded rod connecting inclined strut penetrate through the upper end and the lower end of the long threaded rod connecting strut respectively, a tenon II is fixedly connected with the inner end of the long threaded rod, the tenon II is assembled in a corresponding central mortise groove plugging seat, a locking nut II is connected with the outer end of the short threaded rod, and a limiting nut is connected to the middle of the long threaded rod; the short threaded rod connecting inclined strut and the long threaded rod connecting inclined strut are connected through a central connecting screw at the intersection. The system can be matched with a mortise and tenon scaffold, the bearing capacity and safety of the entire scaffold are enhanced, and a mortise and tenon type scaffold system is improved.

The invention discloses a self-locking mechanism, a motor and a linear actuator, and belongs to the field of self-locking mechanisms. The self-locking mechanism has stable self-locking performance and comprises a friction ring and a mounting seat, the mounting seat is fixed relative to the friction ring, a notch is formed in the friction ring, and the friction ring is arranged on a rotary body needing to be braked in a sleeving mode. A mounting part used for mounting the friction ring is defined on the mounting seat, and the mounting part extrudes the friction ring in the direction of the notch so as to apply braking force to the rotary body.

The present invention provides a multi-leg robot pressure spring position limited elastic driving joint module which consists of a retaining screw (1), a motor back end cover (2), a joint flange (3), four retaining screws (4), four connection copper columns (5), a servo motor (6), a thrust block (7), a motor-box retaining screw (8), a fixed pin (9), a potentiometer (10), a pin (11), a worm wheel output block (12), a potentiometer support frame (13), a retaining screw (14), a transfer joint block (15), an adjustable fastening screw (16), a worm (17), a worm wheel (18), a retaining screw (19), a steady bearing I (20), a steel ball (21), an adjustable end cover (22), a fixed reinforcing plate (23), a retaining screw (24), a square box body (25), a worm wheel steady bearing (26), a clamp spring (27), a retaining screw (28), a pressure cover (29), a retaining screw (30), a fixed plate (31), a steady bearing (32), a coder fixing bracket (33), a motor coder (34), a pressure spring (35), a pressure spring guide rod (36) and a copper bush (37). The multi-leg robot pressure spring position limited elastic driving joint module has compact structure, large transmission ratio, stable transmission and reliable self locking performance.

The invention discloses a high-precision eccentricity eliminating focusing mechanism suitable for a universal optical system. The device is specifically characterized in that a rotating disc fixing seat is fixedly mounted on a substrate flat plate; a rotating disc is rotationally arranged on the rotating disc fixing seat; at least three thrust bearing seats and three springs are connected to a lens seat in the circumferential direction; each thrust bearing seat is provided with one bearing; the bearings abut against wedge surfaces of wedge blocks; the wedge blocks are fixedly connected to therotating disc; the springs are further connected with the rotating disc fixing seat, and the springs are in a stretching state all the time; at least three elastic sheet fixing columns are fixed on the rotating disc fixing seat along the circumferential direction of the rotating disc fixing seat; one end of each elastic sheet is fixed at the top of the corresponding elastic sheet fixing column, and the other end of each elastic sheet presses the upper end face of the lens seat. According to the invention, micro compensation is carried out on image quality change caused by insufficient measurement precision of the refractive index, the spherical radius, the lens thickness and the air interval in the optical system.

The invention discloses a fast loading and unloading type box car body, which comprises a bottom frame, a movable side wall, an end part opening and closing mechanism, a car roof, an end wall, a middle compression device, a movable separation wall, an upper transmission shaft composition, a lower transmission shaft composition, an upper rail composition and a lower rail composition. The fast loading and unloading type box car body has the advantages that the opening degree dimension of the side wall is great, so that the fast loading and unloading type box car body is suitable for a plurality of forklift trucks in any tonnage to load and unload cargoes in any position of a car box on the ground; the the cargo loading and unloading efficiency is greatly improved.

The invention discloses a two-sided opening and closing mechanical folding attic, which belongs to the field of building attics. The opening and closing type mechanical folding attic on both sides of the present invention, the attic is designed as a two-sided opening and closing structure of two sets of interlayer half-frames. On the two uprights, the inner sides of the half-frames of the partitions are respectively installed horizontally on two guide beams, and the driving mechanism is used to drive the outer lifting movement of the two sets of half-frames of the partitions to control the movement of the two sets of half-frames of the partitions. The rectangular frame structure is folded vertically to both sides or horizontally aligned inward to form a compartment. After the attic is folded, the half-frame of the compartment is stored on the left and right sides, which does not occupy the space in the height direction, and overcomes the disadvantages of the lift-type attic , and the structure of the two sets of compartment half-frames is simple and stable, the control of the unfolding and folding of the attic is convenient, and the operation is flexible; moreover, the driving mechanism for unfolding and folding of the attic is simple to manufacture, the transmission is stable and reliable, and the overall production cost is low.

The invention belongs to the technical field of mechanical equipment, and particularly relates to a universal alloy saw blade top grinding and surface grinding machine. The machine comprises a machinetool frame, a hanging disc mechanism, a grinding head assembly and a gear shifting mechanism. The universal alloy saw blade top grinding and surface grinding machine has the technical effects of stable operation, high precision, strong adaptability, low noise and the like.

The invention discloses a stacker, which comprises: a base, on which a walking mechanism is arranged; a door frame mechanism, which is installed on the base; The setting that can be lifted; and the lifting drive mechanism, which is connected with the stage mechanism to drive the stage mechanism to move up and down, including the drive component and the transmission part connecting the drive component and the stage mechanism; the stage mechanism is far away from the door One side of the frame mechanism is provided with a broken rope detection mechanism and an anti-fall mechanism; the broken rope detection mechanism is fixedly connected with the transmission part; the anti-fall mechanism includes a trigger assembly and a locking assembly, and the trigger assembly includes a trigger wedge installed on the locking assembly , an elastic component connecting the trigger wedge and the locking component, and a connecting rod component connecting the trigger wedge and the broken rope detection mechanism. The stacker provided by the invention has reliable anti-drop self-locking performance.

The invention discloses a pulper convenient to clean, and relates to the technical field of papermaking, the pulper convenient to clean is characterized in that the pulper convenient to clean comprises a machine box, a working cavity is formed in the machine box, the upper end and the lower end of the machine box are provided with a feeding port and a pulp outlet pipe respectively, and the feeding port and the pulp outlet pipe are connected with the working cavity; a first support and a second support are arranged at the upper end and the lower end of the lifting frame respectively, a first rotating frame is rotationally connected to the first support, blades are arranged on the first rotating frame, a second rotating frame is rotationally connected to the second support, a cutting knife is arranged on the second rotating frame, and a transmission mechanism is connected between the first rotating frame and the second rotating frame. The pulper has the technical effects that in the lifting process of the lifting frame, the blades rotate automatically to stir paper pulp, the cutting knife rotates as well under the transmission of the gear to perform pulping action, no extra power mechanism needs to be added, and the practicability is increased.