40results about How to "High locking reliability" patented technology

This invention relates to the field of gearbox housing processing technology, and more particularly to a die-casting molding device for automotive gearbox housing processing. The device includes a base on which a die-casting mechanism is mounted for die-casting automotive gearbox housings. The die-casting mechanism includes: a mold assembly comprising a base mounted on the base, a fixed mold fixed to the front end of the base, a movable mold mounted on the base, a push plate slidably installed inside the fixed mold, and a push rod fixed to the front end of the push plate; and a linkage assembly comprising a guide seat fixed to the rear end of the push plate, guide grooves on both the left and right sides of the guide seat, a guide straight groove at the front end of the guide grooves, and sliding rods slidably mounted through both ends of the base. The device achieves sequential linkage between locking and demolding, with unlocking preceding ejection to avoid motion interference. The locking head angle and position are adjustable, offering strong adaptability and high assembly precision. Synchronous driving from both sides ensures stable locking alignment and smooth, reliable operation.

The invention belongs to the technical field of aircraft structure design, and particularly relates to a control surface quick release mechanism. Comprising a control surface, a fixed wing surface, a pull rod, a cam, a pressure spring, a rotating shaft, a control surface square block, a steering engine square block and the like, the control surface square block and the steering engine square block are matched and borne through a square surface, a cylindrical part of the steering engine square block is connected with a steering engine, and the other part is matched with the control surface square block. The locking principle is that continuous contact force exists between the cam and the fixing pin. When the torque generated by the contact force to the cam is smaller than the torque generated by the friction force, the cam cannot rotate, the rotating condition is irrelevant to the numerical value of the contact force and is relevant to the friction coefficient of the cam and the fixing pin and the vertical distance from the center of the rotating shaft to the contact force, and the self-locking effect of the mechanism can be achieved by configuring the parameters. The cam is subjected to acting force of the compression spring in the assembly state. The quick release mechanism provided by the invention adopts a self-locking structure, and is simple in structure, few in parts and convenient to disassemble / maintain; the mechanism adopts square large-area matching, so that the bearing capacity is better; the shape modification of the mechanism is consistent with the shape of the control surface, most mechanisms are located in the control surface, no large bulge exists at the fixed control surface, and the aerodynamic resistance is reduced.

This invention belongs to the field of fiber optic connector technology and discloses a high-return-loss fiber optic connector and its manufacturing method. The connector includes a mounting sleeve with an inner cylinder inside. An outer cylinder is threaded onto the inner cylinder. A positioning ferrule is located inside the inner cylinder, and an optical fiber cable is located inside the positioning ferrule. A spring is located on one side of the positioning ferrule. A mounting base is threaded onto the inside of the mounting sleeve. This invention uses a locking lever to simultaneously engage the inner cylinder and the mounting sleeve, achieving anti-loosening positioning of multiple components. When the anti-loosening mechanism is triggered, the rotating ring synchronously drives the clamping plate to clamp the optical fiber cable. External tensile force is directly borne by the clamping mechanism and is not transmitted to the positioning ferrule. The overall structure has strong linkage, effectively preventing axial movement and circumferential rotation of the positioning ferrule, ensuring the mating accuracy and return loss stability of the positioning ferrule, and significantly improving the connector's tensile and vibration resistance.

The present invention discloses a battery quick-change device, an electric vehicle and a quick-change method. The battery quick-change device includes a locking shaft mechanism, a locking limit block, a locking member, a driving assembly, an elastic reset member and a state detection device. The locking shaft mechanism is fixedly connected to the battery pack bracket. The locking limit block is fixedly connected to the vehicle body, and a locking groove is provided on the locking limit block. The locking shaft mechanism can slide in the locking groove to reach the locking position. The locking member is rotatably connected to the locking limit block, and a buckle is provided on the locking member. When the locking member is in a locked working state, the buckle is engaged with the locking shaft mechanism to fix the locking shaft mechanism in the locked position. The driving assembly is used to drive the locking member to rotate. One end of the elastic reset member is fixedly connected to the vehicle body, and the other end is connected to the locking member. When the locking member is in an unlocked working state, the elastic reset member is in a compressed state. The state detection device can detect the working state of the locking member. The above-mentioned battery quick-change device has a simple structure and a fast battery replacement speed.

This utility model relates to the field of tail landing gear technology, and more particularly to a structure for adjusting and locking the cam travel position. It includes a cylindrical pin and a connecting plate, the cylindrical pin being mounted on the connecting plate and passing through a piston rod assembly; a spring washer disposed on the connecting plate, through which a screw passes, and the screw is threadedly connected to an adjusting mechanism; a pressure end cap threadedly connected to the right end of the adjusting assembly; and a travel adjustment mechanism mounted on the piston rod assembly. The structure for adjusting and locking the cam travel position provided by this utility model can fix the piston rod by setting a fixed threaded sleeve, and tightening the control component can push the top tightening threaded sleeve to press against the sealing bearing and cam, thereby achieving adjustment and locking of the cam travel. This enables the adjustment of the tail landing gear travel and meets the process requirements for ensuring and locking the relative position of the upper cam and piston rod, followed by machining a stop structure, effectively increasing the convenience of adjustment operation and the reliability of locking.

The invention relates to the technical field of door and window locks, and discloses a linkage pushing structure and a switch lock linkage device.The linkage pushing structure comprises a first connecting piece, a second connecting piece, a third connecting piece and a third connecting piece, the first connecting piece is vertically arranged on a one-piece support in a sliding mode, and the first connecting piece is suitable for being connected with a push-pull mechanism; the second connecting piece is transversely arranged on the connected support in a sliding mode, and the second connecting piece is suitable for being connected with a bottom groove connecting rod with a push-pull convex pin; the free bending-following push-pull connecting piece is arranged in a limiting groove in the corner of the connected support, one end of the free bending-following push-pull connecting piece is connected with the first connecting piece, the other end of the free bending-following push-pull connecting piece is connected with the second connecting piece, and the free bending-following push-pull connecting piece is a push-pull component capable of freely moving in the limiting groove. By introducing the free push-pull connecting piece along with bending, the component can freely move in the limiting groove, and the first connecting piece and the second connecting piece are connected, so that the whole linkage structure can perform push-pull operation in a wider range, and the push-pull stroke is remarkably increased.

The utility model relates to the technical field of door and window locks, and discloses a waterproof rust-proof door and window lock which comprises a limiting mechanism and a moving mechanism, the limiting mechanism comprises a first installation back plate and a fixing block, and through the arranged limiting mechanism, a self-weight buckle piece is connected with a limiting piece through a rotating piece and can slide on the outer wall of the fixing piece; by means of the design, when the door and window lock is operated, the limiting piece can flexibly rotate, the position is adjusted according to actual requirements, a user can conveniently open and close a door and window, meanwhile, the fixing block is connected with the locking frame and the locking insertion block through the fixing rod, and the limiting spring is connected to the outer wall of the fixing rod in a sleeving mode. The locking insertion block can be accurately inserted into the clamping groove in the left side face of the self-weight buckle under the elastic force effect of the limiting spring, firm locking is achieved, the locking mode is high in stability, accidental unlocking caused by external force impact is not likely to happen, the overall structural design is compact and reasonable, all parts are in close fit, and the invasion path of water and air is reduced.

The invention discloses a novel LED display box connection structure, comprising a plurality of boxes spliced ​​together to form an LED display screen, wherein the four corners of the boxes have connection protrusions protruding toward the front side of the boxes; the four side ribs of the boxes are all provided with first magnets, and the boxes adjacent to each other are pre-positioned by adsorption of the corresponding first magnets; the front side of the middle part of the four boxes spliced ​​together is provided with a concave connection piece, the concave connection piece cover is provided outside the four connection protrusions corresponding to the middle part of the four boxes spliced ​​together, and is detachably connected thereto, and a mounting screw hole is provided in the middle of the concave connection piece; the four corners of the back side of the middle part of the four boxes spliced ​​together are respectively provided with slots, and the four slots are enclosed to form a mounting groove with a flat bottom wall, a pad with a flat contact surface is laid flat in the mounting groove, a mounting through hole is provided in the middle of the pad, and a mounting bolt that can be screwed into the mounting screw hole is provided through the mounting through hole. The boxes of the invention are firmly connected to each other, and the flatness of the box connection is ensured.

The utility model discloses a bearing and pressing plate connecting structure. Belongs to the technical field of new energy automobile reducers. The utility model mainly solves the problems of difficulty in processing and manufacturing, high cost and low assembly efficiency due to the fact that an existing bearing is connected with a pressing plate through a clamp spring with an irregular shape. The device is mainly characterized by comprising a bearing, a clamp spring and a pressing plate, the pressing plate is provided with a through hole matched with the outer ring of the bearing, and the pressing plate is pressed on the outer ring of the bearing; a first ring groove and a second ring groove which are matched with each other are formed between the outer ring of the bearing and the pressing plate; and the clamp spring is clamped in the first ring groove and the second ring groove. The structure is simple, machining and manufacturing are easy, assembling can be achieved through one-time press fitting, assembling operation is convenient and fast, efficiency is high, connecting reliability is good, and production cost can be greatly reduced. The connecting device is mainly used for connecting the bearing and the pressing plate in the speed reducer of the new energy automobile.

The utility model relates to an installation structure for an illuminating lamp and an illuminating system. The installation structure comprises a bottom plate unit, a first support unit, a second support unit, a first locking unit, a second locking unit, a control unit and an installation unit. An advantage is that; the first support unit and the second support unit are matched to enable the second support unit to reciprocate in the axial direction of the first support unit, the illuminating lamp is driven to ascend and descend synchronously, the limitation of traditional fixed height is broken through, the large-range illumination requirement of scenes such as a meeting room can be met, and close-range illumination of local operation of a workshop can also be adapted; through cooperation of the first locking unit, the second locking unit and the control unit, the first locking unit and the second locking unit move face to face or back to back in the horizontal direction to abut against or be separated from the second support unit, the second support unit is tightly clamped in the abutting process, it is ensured that the height is stable after adjustment, and the second support unit is released in the separation process; and flexible adjustment is facilitated.

The utility model relates to safety door switch technical field discloses a kind of welding area safety door locking structure, including working fence, the inside fixedly connected with two support blocks of working fence, the inside rotationally connected with shaft a in two The outside rotationally connected with switch door of two shaft a, the front side fixedly connected with support assembly in left switch door, the inside slidingly connected with limit block of support assembly, the outside front side fixedly connected with L type support rod of support assembly, the inside rotationally connected with extrusion assembly of L type support rod, in the utility model, rotating pressing rod drives eccentric disc rotation, limit block and sliding groove board increase friction, to limit block is locked quickly, when lock body appears abrasion or fault needs to be replaced, without large-scale disassembly to entire safety door structure, maintenance difficulty is significantly reduced, maintenance time is shortened.

The application discloses a welding tool for a hair cover lock cross beam assembly, and relates to the technical field of welding tools.The welding tool comprises a base, a supporting frame is fixedly installed on the top of the base, a welding table is installed on the top of the supporting frame, and the welding table is used for placing the hair cover lock cross beam assembly.A positioning mechanism is arranged on the surface of the welding table, and a plurality of positioning mechanisms are arranged.The positioning mechanism is used for fixing the hair cover lock cross beam assembly.The device adopts a pluggable assembly structure of a positioning rod, a strip-shaped protrusion on the outer side of the positioning rod is guided and matched with a positioning groove in the inner wall of a rotating shaft, and the positioning rod can drive the rotating shaft to rotate after being inserted.The first butt joint hole of the rotating shaft and the second butt joint hole of the sleeve are rotatably aligned and conductive to the internal air path, so that each group of positioning mechanisms can be independently installed and flexibly arranged, can be freely arranged at any station on the outer periphery of a workpiece according to the shape contour and size specification of the workpiece, the structural layout is flexible, the positioning and clamping requirements of different working conditions can be adapted, and the universality is significantly improved.

The utility model discloses a steel shell riveting structure device which comprises a steel shell and a riveting structure arranged at the end of the steel shell. The riveting structure comprises a pole, the pole comprises a mounting table, a clamping ring table and a locking ring table which are integrally formed, and the clamping ring table is clamped with the steel shell; an inner insulating part is attached to the mounting table and the clamping ring table and abuts against the steel shell; an outer insulating part is attached to the steel shell and the locking ring table and abuts against the inner insulating part. A pressing ring used for pressing and fixing the inner insulating part and the outer insulating part is arranged on the clamping ring table and the locking ring table in an abutting mode. According to the assembling structure for optimizing the riveting structure, the inner insulating part and the outer insulating part are attached to the pole, and the pressing ring is adopted to fix the inner insulating part and the outer insulating part, that is, the insulating property of the interior of the device is met through a double-insulating structure, the overall performance and the structural stability are improved, and the locking ring table is parallel to the mounting table through riveting; the locking reliability of the inner insulating part, the outer insulating part and the steel shell is improved, and the overall structural strength and stability are optimized.

This utility model relates to the field of vertical turntable locking technology, and discloses a vertical turntable positioning and locking device, including a back plate and a connecting circular shell. A rotating assembly is provided on the inner side of the back plate. Two outer shells are fixedly connected to the side of the connecting circular shell, and each of the two outer shells has a snap-fit ​​assembly on its inner side. A turntable is rotatably connected to the bottom side of the connecting circular shell, and a locking device is provided on the inner side of the end of the turntable. The locking device includes a friction block, which is fixedly connected to the outer side of the back plate. In this utility model, a mechanically rigid locking is achieved by passing a fixing bolt through the threaded hole between the friction block and the turntable, ensuring that the turntable does not wobble after positioning. The material of the friction block increases the friction of the contact surface, further improving the locking reliability. It is suitable for scenarios requiring high-precision positioning. The threaded connection of the fixing bolt facilitates quick assembly and disassembly, meeting the needs of turntables that require frequent angle or position adjustments, and improving equipment flexibility.

The utility model provides an atomizer with a tar locking function and an electronic cigarette, and the atomizer comprises a housing which is provided with a tar storage cavity which is used for storing tobacco tar; the atomization assembly is arranged on the shell, the atomization assembly is provided with an atomization channel, and the atomization assembly is used for heating and atomizing tobacco tar entering the atomization channel; the blocking component is arranged on the shell in a sliding mode, the blocking component is provided with an oil passing channel and a limiting hole, the limiting hole extends in the sliding direction perpendicular to the blocking component, and the blocking component has an initial position and a working position; at the initial position, the oil storage cavity and the atomization channel are isolated by the blocking component; the working position is that the oil passing channel communicates with the oil storage cavity and the atomization channel; and the limiting component is detachably arranged in the limiting hole in a penetrating manner, so that the blocking component is limited to the initial position. According to the oil leakage prevention structure, accidental unlocking can be avoided, the locking reliability is remarkably improved, the blocking component can stably maintain the initial position, and the oil leakage prevention performance before use is effectively enhanced.

The utility model discloses a double-fluid water mist spray head which comprises a spray head body, one end of the spray head body is connected with a communicating bin, one end of the communicating bin is connected with an airflow pipe, one side of the communicating bin is connected with a liquid flow pipe, and one end of the airflow pipe and one end of the liquid flow pipe are provided with a speed adjusting device. The speed adjusting device comprises a rotating sleeve, a sliding groove, a sliding block, a sliding plate, a linkage sleeve, a moving rod, a moving sleeve, a matching sleeve and a thrust bearing, the sliding groove is obliquely formed in the liquid flow pipe and the air flow pipe, the sliding block is connected to one side of the sliding plate, the thrust bearing is connected with the linkage sleeve and the matching sleeve, the moving rod is sleeved with the moving sleeve, and the sliding rod is sleeved with the matching sleeve. The outer wall of the matching sleeve is connected with the inner wall of the liquid flow pipe and the inner wall of the air flow pipe through threads, a locking mechanism is arranged on the outer side of the liquid flow pipe and the outer side of the air flow pipe, and the locking mechanism comprises a locking sleeve, a control panel, a control groove, a control hole, a shifting rod, a shifting plate, a locking spring, a locking block and a stop block. The flow velocity adjusting mechanism has flow velocity adjusting flexibility and adjusting mechanism stability.

The utility model relates to flow measuring device technical field, concretely is a flow measuring device for hydrological survey, including support, the upper end fixed assembly of support has the support frame, the lateral wall fixed assembly of support has servo motor, the output fixed assembly of servo motor has the reel, the circumferential surface of reel has the traction cable around, the traction cable sliding penetrates the support frame, one end fixed assembly of traction cable has the lead block, the surface fixed assembly of traction cable has the T -shaped block. The utility model, through setting up servo motor, reel, traction cable, lead block and radar wave flow measuring instrument etc. part, need to adjust the horizontal position of radar wave flow measuring instrument in the process of hydrological survey, under the cooperation of lead block and traction cable, through the rotating direction of control servo motor output end can adjust the position of radar wave flow measuring instrument, thereby the convenience of using radar wave flow measuring instrument measures the flow velocity of river channel different section or different position, improved the practicality of radar wave flow measuring instrument.

The utility model belongs to the field of building template tools, propose a kind of connecting locking device of building template, including vertical groove board, horizontal groove board and through plate bolt, the middle position of the end of horizontal groove board is provided with bayonet and is provided with outer clamping plate and inner clamping plate in the position close to bayonet, the end face of adjacent horizontal groove board on the same vertical plane is in butt joint cooperation, the inner side of adjacent horizontal groove board on the same vertical plane is provided with the clamping bolt of with inner clamping plate clamping, the outside of adjacent horizontal groove board on the same vertical plane is provided with the butt joint component matched with outer clamping plate, butt joint component includes embracing groove, positioning protruding, baffle, hinged bolt and fastening bolt connection, the adjacent horizontal groove board on different plane is in upper and lower lap joint cooperation and is connected by elbow lever component.The utility model design is reasonable, is favorable for improving support reliability and convenient to dismantle formwork, is suitable for large-scale popularization.

The utility model relates to a locking device of a spare tire cover lock. The locking device comprises a sliding piece, a connecting plate, a bolt and a nut. The sliding part comprises a sliding plate, upper side plates and a rear side plate, a hook body is arranged at the front end of the sliding plate, the upper side plates are arranged on the two sides of the surface of the sliding plate respectively to form spring bolt grooves, inlets of the spring bolt grooves are formed between the tops of the upper side plates, and the size of the inlets of the spring bolt grooves is smaller than that of inner cavities of the spring bolt grooves. The rear side plate is arranged at the rear end of the sliding plate, and a second through hole is formed in the rear side plate; according to the locking device, the sliding piece is matched with the bolt, the nut and the connecting plate, the position of the sliding piece is accurately adjusted, the structure is compact, and reliability is high. The sliding piece is fixedly connected to the support through the bolt, a user only needs to rotate the nut, the bolt can be controlled to move front and back, and therefore the sliding piece is driven to achieve linear adjustment, the hook body accurately enters or retreats from the locking groove, and the locking or unlocking efficiency and stability are effectively improved.

The utility model relates to the technical field of operation machinery, and discloses a hood locking structure, a hood and operation machinery, the hood locking structure comprises a lock body and a lock hook, one of the lock body and the lock hook is suitable for being arranged on a hood body of the hood, and the other one of the lock hook and the lock body is suitable for being arranged on a hood cover of the hood; the lock body comprises a support, a spring bolt assembly and a lock cylinder. The spring bolt assembly is rotatably arranged on the support. The lock cylinder is movably arranged on the support. The lock cylinder is provided with a pressing position and a loosening position, and at the pressing position, the lock cylinder moves in the axial direction of the lock cylinder and drives the spring bolt assembly to be separated from the lock hook, so that the hood body and the hood cover are unlocked; and at the loosening position, the lock cylinder moves reversely in the axial direction of the lock cylinder, and the spring bolt assembly is connected with the lock hook, so that the hood body and the hood cover are locked. According to the utility model, the unlocking of the hood is realized by pressing the lock cylinder, so that the mounting and unlocking action space of the locking structure is obviously reduced, and the application range is expanded.

The tail cover locking device comprises a lamp body and a tail cover, the tail cover is connected with one side of the lamp body through a hinge structure, the other side of the lamp body is provided with a push switch, and the push switch is used for controlling locking and unlocking of the tail cover. The lamp body is provided with a locking piece, and the locking piece can be rotationally switched between a locking position and an unlocking position relative to the lamp body; wherein at the locking position, a wedging part included in the locking piece moves into the bottom of the pressing switch so as to limit the pressing switch from being mistakenly touched and operated; and at the unlocking position, the wedging part is separated from the bottom of the pressing switch and is exposed out of the lamp body, so that the pressing switch is allowed to act freely, and normal unlocking of the tail cover is realized. According to the tail cover locking device provided by the utility model, the rotatable locking piece is additionally arranged at the position of the pressing switch, so that the switch is mechanically blocked, the tail cover is prevented from being accidentally opened due to accidental touch, and the locking reliability of a battery compartment is enhanced while the operation convenience is improved.

The utility model provides a battery cell stacking mechanism and a battery cell stacking device. The battery cell stacking mechanism comprises a mounting seat connected with an external mechanical arm, and a clamping mechanism arranged on the mounting seat, the clamping mechanism is used for clamping a battery cell, and a guide structure and a locking structure are arranged between the clamping mechanism and the mounting seat; the clamping mechanism can move relative to the mounting base in the first preset direction under guiding of the guiding structure, and the locking structure is used for locking the moved clamping mechanism to the mounting base. According to the battery cell stacking mechanism, the battery cells can be prevented from being damaged due to rigid contact with the comb teeth, the problem that battery cell stacking gaps are inconsistent is solved, the battery cell stacking quality and efficiency can be improved, meanwhile, the accuracy and stability of battery cell grabbing can be ensured, and therefore the module stacking quality can be improved.

The utility model relates to a kind of two-way limit lock, including box, limiting component and first drive mechanism;Box is equipped with containing area;Limiting component is rotatably located in containing area, limiting component includes oppositely arranged first limiting arm and second limiting arm, first limiting arm has first limit surface, second limiting arm has second limit surface, first limit surface and second limit surface are reversely arranged;First drive mechanism is located in box, the output end of first drive mechanism is connected to first limiting arm and second limiting arm, and first drive mechanism is used to drive first limiting arm and second limiting arm to rotate and switch between first initial position and first limit position.The utility model is responsible for the limit of one direction by two limiting arms respectively, and the stress concentration of traditional single limiting arm is decomposed into two limiting arms to bear together, which can reduce the stress load of single limiting arm, avoid the risk of fracture, and realize two-way reliable limit.

The application provides a two-stage floating butt joint on-orbit replaceable mechanism and a pallet device thereof, and the on-orbit replaceable mechanism comprises an outer shell and a cargo carrying assembly, a mechanical active butt joint locking assembly and a two-stage floating electrical interface assembly; the two-stage floating electrical interface assembly comprises an active butt joint part and a passive butt joint part; the active butt joint part is arranged on the outer shell of the outer shell and the cargo carrying assembly, and the passive butt joint part is arranged on a passive butt joint spacecraft; the active butt joint part and the passive butt joint part are matched to realize electrical interface butt joint; the butt joint locking mechanism of the mechanical active butt joint locking assembly is installed on the outer shell and the cargo carrying assembly; the mechanical active butt joint locking assembly drives the connecting rod structure of the butt joint locking mechanism to stretch and retract through a motor driving screw nut structure, so that the butt joint locking mechanism and an external device with a locking hole realize butt joint and locking. The application has the characteristics of high butt joint precision, strong butt joint rigidity, good carrying stability and convenient on-orbit operation.

The application discloses a kind of glasses convenient to disassemble, belong to glasses technical field, this glasses convenient to disassemble include glasses frame, the nose support of setting in the middle position of the glasses frame and the mirror leg of symmetrical setting at the both sides edge of the glasses frame, further include the magnetic quick-release structure of setting between the nose support and glasses frame;The magnetic quick-release structure includes the card slot of opening in the corresponding nose support position of the glasses frame, the magnet piece of fixed installation in the card slot, the magnetic attraction block of inserting in the card slot and with the magnet piece magnetic attraction and the connecting frame of fixed connection in the magnetic attraction block far from the one side of card slot.This glasses convenient to disassemble can realize the convenient disassembly of nose support and glasses frame by setting magnetic quick-release structure, so that only need to exert external force when disassembling can be separated, both solve the problem that traditional integration fixed causes nose support damage needs to replace glasses frame as a whole, also avoid the disadvantages that screw connection needs special tool, easy to slip silk and jam, let user can complete nose support replacement by hand easily.

This invention discloses a machine-room-less elevator car fixing device, comprising a mechanical execution unit and an electrical control unit. The mechanical execution unit includes a connecting plate, a guide plate, a limit plate, a cover plate, a positioning shaft, an operating rod, bolts, a first bushing, and a second bushing. The guide plate is fixed to the connecting plate, and the positioning shaft passes through a through hole in the guide plate and can slide axially. The operating rod is linked to the positioning shaft. The electrical control unit includes a limit switch and wiring cable, and status detection and interlocking are achieved by triggering the stepped structure of the positioning shaft. This invention eliminates the need for spring reset, features a compact integrated structure, occupies little space, provides reliable locking, is easy to operate, and is highly durable. It is suitable for the narrow shafts of machine-room-less elevators and can effectively improve maintenance safety and space utilization.

The utility model provides a positioning tool. The positioning tool comprises a base, side plates arranged at the two ends of the base, a tool frame installed between the two side plates, a hinge mechanism, a first locking mechanism and a second locking mechanism, and the upper end of the tool frame is hinged to the side plates through the hinge mechanism; the first locking mechanism and the second locking mechanism are used for locking the rotating position of the hinged tool frame, the second locking mechanism is arranged at the lower end of the tool frame in a spiral locking mode, and the first locking mechanism is arranged between the hinge mechanism and the second locking mechanism in a pluggable mode. According to the utility model, the connection of the tool frame and the side plates is improved into a hinged mode, so that the angle adjustment of the tool frame can be realized, and the production requirements are met.

The utility model discloses a kind of cabin hanging rail intelligent inspection robots and its mounting structure, limit auxiliary wheel system rolls and supports on hanging rail, driving gear is engaged with rack, each contact of sliding contact line power supply current collector is all with sliding contact line friction cooperation.Power motor is driven driving gear and rack on hanging rail cooperation by driving, efficient movement in cabin is realized, control precision is high, simultaneously, by adding locking gear, when it needs to lock cabin hanging rail intelligent inspection robot on hanging rail, locking gear is driven by telescopic motor and engaged with driving gear, at this time, due to driving gear is simultaneously engaged with rack and locking gear, locking reliability is extremely high, so that when guaranteeing collection and interaction system to shoot, cabin hanging rail intelligent inspection robot is always in stationary state, so as to avoid the fuzzy distortion situation of the video of shooting.

The application discloses a folding joint, which comprises an upper joint, a lower joint, a hinge shaft, a handle body and a tightening mechanism, one end of the handle body is provided with an eccentric part; the inner side walls of the upper joint and the lower joint are respectively provided with an upper locking groove and a lower locking groove, the tightening mechanism comprises a tightening block, an adjusting screw rod and an adjusting sleeve rod, one side of the tightening block is provided with a tightening part matched with the upper locking groove and the lower locking groove, the other side is provided with a ball socket groove, one end of the adjusting screw rod is provided with a ball head part, the other end is threadedly connected with the adjusting sleeve rod, the ball head part is matched with the ball socket groove in a spherical surface, and the tightening block can be universally swung. The folding joint disclosed by the application is matched with the ball socket groove of the tightening block in a spherical surface through the ball head part of the adjusting screw rod, the universal swinging capability of the tightening block is achieved, the sufficient occlusal area and the locking strength are effectively ensured, and the locking reliability is improved.