109results about How to "Avoid free turning" patented technology

The invention relates to a welding device, in particular to an automatic petroleum pipeline circular seam welding device. The automatic petroleum pipeline circular seam welding device comprises a pipeline clamping system, a power and control system, a welding gun clamping system and a welding gun. The pipeline clamping system is installed on a petroleum pipeline, the power and control system is installed on the pipeline clamping system, the welding gun clamping system is installed on the power and control system, and the welding gun is installed on the welding gun clamping system. The automatic petroleum pipeline circular seam welding device is directly installed on the petroleum pipeline in need of welding, the welding gun is driven to act through gear transmission so as to complete the circular seam welding process. The automatic petroleum pipeline circular seam welding device has the advantages of being simple and compact in structure, small in size, low in cost and high in automated degree. Welding can be stopped automatically through a contact type travel switch when a half circle is welded, the welding process is divided into two steps and completed through welding of the two half circles, and thus welding quality is improved. Spiral transmission is adopted for the welding gun clamping system to adjust the position of the welding gun, the distance between the welding gun and the petroleum pipeline can be adjusted precisely, and the welding quality of a circular seam is further improved.

The present invention provides a conductive terminal. The terminal comprises a housing; a wire pressure reed is arranged in the housing in a manner of rotating around an axis extending front and back; the wire pressure reed is respectively provided with a wire pressure-wire end and a drive end on both sides of a rotating shaft; the housing is rotatably provided with an operating handle used for driving the wire pressure reed to rotate between a wire connection position and a wire pressure position; the operating handle is in parallel to the rotating axis of the wire pressure reed; one end of the operating handle, which is positioned inside the housing, is provided with a contact section; the contact section is provided with a reed perforated hole used for the drive end of the wire pressure reed to pass through; the reed perforated hole is provided with a right hole wall used for pushing the outer lateral surface of the drive end and enabling the wire pressure reed to rotate towards the wire pressure position when the operating handle rotates forwards; and the reed perforated hole is also provided with a left hole wall used for pulling the inner lateral surface of the drive end and enabling the wire pressure reed to rotate towards the wire connection position when the operating handle is rotated reversely. The conductive terminal disclosed by the present invention is simple in structure and very convenient to use.

The invention discloses an automatic fire extinguishing device for a box-type transformer substation. The automatic fire extinguishing device comprises a top plate, a side plate, a push rod motor, a PLC, a sliding plate, a sliding groove, a first gear plate, a rotating shaft, a dry powder fire extinguisher, a large gear, a friction washer, a U-shaped plate, a sliding track, a sliding toothed plate, a baffle, a safety pin, a connecting rod, a rotating rod, a pinion, a transmission gear, a second gear plate, an L-shaped connecting plate, a positioning rod, a mounting hole, a plastic ring, a pressing plate and a smoke sensor; the top plate is welded to the top of the side plate; the push rod motor is vertically welded to the bottom of the top plate; an output shaft of the push rod motor is fixedly connected with the top of the sliding plate; the inner wall of the side plate is provided with the sliding groove; the sliding plate is installed in the sliding groove; the sliding plate is slidably connected with the side plate; the first gear plate is fixedly connected with the lower end of one side of the sliding plate; and one side of the first gear plate is provided with the rotating shaft. The fire extinguishing device is driven by the push rod motor only, the cost is low, and automatic fire extinguishing can be achieved.

The invention relates to a retraction type long stroke hydraulic power pressurizer. An upper barrel body, a middle barrel body and a lower barrel body are sequentially connected to form an outer shell, the upper part of the upper barrel body is vortically connected with a drill collar, a core shaft is inserted into the outer shell, the upper end of the core shaft is positioned in the inner cavity of the upper barrel body, and is vortically connected with an upper connector, the lower part of the core shaft is provided with a core shaft circular bead which is supported under a lower end opening of the lower barrel body, and the lower end of the core shaft circular bead is connected with a downhole motor; and center ducts of the core shaft and the upper connector are communicated with a center duct of the outer shell, the core shaft and the lower barrel body are sealed, the circumferential wall of the upper part of the core shaft is provided with guiding long slots extending to the middle part of the core shaft, and the inner wall of the middle barrel body is symmetrically provided with support tables which are respectively embedded in the guiding long slots. The lower parts of the guiding long slots are respectively connected with an arc-shaped sliding chute, the arc-shaped sliding chutes are cylindrical spirals, the lower ends of the arc-shaped sliding chutes are respectively tilted to the right, and positioning short slots extending along the axis direction are respectively arranged over the lower ends of the arc-shaped sliding chutes. According to the hydraulic power pressurizer, flexible connection between the drill collar and a drill bit is realized, and the hydraulic power pressurizer has a simple structure and is operated reliably.

A refrigerating appliance comprises a cabinet body (1), a door (2), door closers (3) and hinge assemblies (4). Each hinge assembly (4) comprises an adjusting unit (5).Each adjusting unit (5) comprises an adjusting element (6) and a supporting element (7)which can be driven by the adjusting element (6) to move in the vertical direction within an adjusting range and to support the door (2). The cabinet body (1) can rotate around the supporting elements (7). Each supporting element (7) comprises a door closing part (70) used for being matched with the corresponding door closer (3) in the following manner that at any height within the adjusting range, the door closing parts (70) and the corresponding door closers (3) are at least partially overlapped in the horizontal direction, when the door (2) is to be closed, the door closing parts (70) and the door closers (3) are matched to prevent the door (2) from being bounced off, and the door closing parts (70) are disengaged from the door closers (3) when the door (2) is opened. According to the technical scheme, the refrigerating appliance is attractive in appearance, beneficial to transportation safety, and the upper side gap of the door (2) is small.

The invention belongs to the technical field of ceramic tile cutting equipment and particularly relates to a manual cutter for ceramic tiles, comprising a base and a cutting device. A guide rail is fixed on the base; the cutting device is arranged slidably on the guide rail; a check scaler is arranged on the base and is of telescopic structure; the check scaler includes a support for supporting aceramic tile and a telescopic part slidably connected with the support; at least three roller units are arranged on a slider; the adjacent three of the roller units are in triangular distribution andare abutted to the top and bottom of the guide rail respectively; an adjusting device is also arranged on the slider and controls the rollers to abut to the guide rail. The invention is intended to provide the manual cutter for ceramic tiles which is convenient to use and long in service life.

The invention discloses a clutch device with one driving mechanism and multiple driven mechanisms. The clutch device comprises a rotary table plate. Three equal-interval shaft holes are formed in therotary table plate, and the driven mechanisms are arranged in the three shaft holes of the rotary table plate correspondingly. Rotary shafts of the driven mechanisms are movably arranged in the shaftholes in a penetrating mode, and the driving mechanism and a manipulating mechanism are fixed to the lower portion of the rotary table plate. The horizontal displacement of a rotary shaft of the driving mechanism from the center of the rotary table plate is equal to the horizontal displacement of the rotary shafts of the driven mechanisms from the center of the rotary table plate. The manipulatingmechanism controls the rotary shaft of the driving mechanism to move up and down, and a block-shaped protrusion is arranged at the top of the rotary shaft of the driving mechanism. Grooves matched with the block-shaped protrusion are formed in the bottoms of the rotary shafts of the driven mechanisms. According to the clutch device with one driving mechanism and the multiple driven mechanisms, product automatic continuous paint spraying operation is achieved, and the production efficiency is improved.

The invention relates to an attachment system (1, 2) for removably attaching a dispensing member (3) onto a container neck (4), the system including: an attachment ring (1) that includes flexible axial tabs (16) capable of attaching around the tank neck (4), the tabs (16) being separated by axial slots (18); a locking sleeve (2) placed around the attachment ring (1) so as to engagingly lock the tabs around the neck (4), characterized in that the sleeve (2) forms a plurality of locking areas (26) for engaging with the tabs (16) so as to lock the latter around the neck (4); and a plurality of locking areas (28) not contacting the ring (1), the sleeve (2) being movable about the ring (1) between a mounting position, in which the locking areas (26) engage with the tabs (16), and a removal position, in which the locking areas (26) are located in the slots (18) so as to enable the tabs to deform in order to be freed from the neck (4).

The invention relates to the technical field of mechanical equipment, in particular to a production, demolding, board-taking and stacking device for gypsum boards. The device comprises a gypsum board demolding and board-taking device body comprising a board-taking support, a rotation board, a swing arm, a board overturning air cylinder, a pushing air cylinder and further comprising a sliding frame, a suction cup mounting board, a grabbing component and the like which are mounted on a transitional frame; the board-taking support is provided with a suspending air cylinder so as to drive the transitional frame, an overturning component, the suction cup mounting board and the grabbing component to move in the up-down direction in a reciprocating mode; the pushing air cylinder drives the sliding frame to drive the transitional frame, the rotation board, the suction cup mounting board and the like to move in a reciprocating mode along guiding rods, wherein the rotation board, the suction cup mounting board and the like are mounted on the transitional frame; a gypsum board board-taking and stacking device body comprises a support, a board-taking trolley, trolley sliding seats, sliding rails, servo motors, ball screws, nuts and the like, wherein the ball screws, the nuts and the like are mounted on the support; and the gypsum board board-taking stacking device body is matched with the demolding board-taking device body, a taken-out gypsum board is conveyed out of a conveying line and overturned into a certain angle and automatically falls on a board stacking trolley, and work is repeatedly conducted in this way.

The invention discloses an overhead cable running gear, and relates to the technical field of a transformer. The overhead cable running gear comprises a thread drawing housing; the upper portion of the inside of the thread drawing housing is in shaft connection with uniformly distributed dumbbell-like pinch rollers; the lower end of the inside of the thread drawing housing is provided with a worm lifting platform; a rubber caterpillar base plate is connected above the worm lifting platform; the rubber caterpillar base plate is internally provided with a rubber crawler belt driven by rollers; the lower end of the thread drawing housing is provided with a connection rotation apparatus; the lower end of the connection rotation apparatus is connected with a hanging basket through at least four connecting rods; one end of the hanging basket is provided with an opening; one side of the opening at the lower end of the hanging basket is connected with a power support; the tail end of the power support is provided with a through hole; the through hole is internally provided with a rotation shaft for cooperation; the two sides of the rotation shaft are each provided with one crank; the end portions of the cranks are connected with pedals; one side of the rotation shaft is linked with a flexible shaft; and the other end of the flexible shaft is connected with the input end of the rubber caterpillar base plate. The overhead cable running gear has the advantages of convenient and fast installation, high safety, less labor consumption and high rapidness and efficiency.

The invention discloses a multi-support multi-roller track component and a track. The track component comprises a track plate, rolling wheels are installed on the track plate, the track plate comprises a plate body, supporting components are arranged on the plate body, track pins are arranged on the two sides of the plate body, the supporting components comprise two rolling wheel supports and a rolling wheel supporting base, wherein the two rolling wheel supports and the rolling wheel supporting base are coaxially and sequentially separated from one another; the two rolling wheels are installed on the supporting components through rolling wheel bolts, the head parts of the rolling wheel bolts are arranged on positioning grooves of the rolling wheel supporting base while the threaded ends of the rolling wheel bolts penetrate through holes of the two rolling wheel supports and then are screwed with locking nuts, the rolling wheels can be rotationally arranged on screw rods of the rollingwheel bolts in a penetrating mode, the rolling wheels form bias angles relative to the track pins, one rolling wheel is arranged between the two rolling wheel supports, and the other rolling wheel isarranged between the rolling wheel supports and the rolling wheel supporting base. The track component has the advantages that the structure is compact, the first time contact of the rolling wheels can be kept, the collision abrasion is small, the service life is long, the noise and vibration are reduced, the adaptability of various road surfaces is high, and the like.

The invention discloses a high-efficiency motor backward-tilting fan blade and a manufacturing method thereof, and belongs to the technical field of high-efficiency motor backward-tilting fan blades and manufacturing methods thereof. The high-efficiency motor backward-tilting fan blade comprises two fan discs, wherein opposite surfaces of the two fan discs are fixedly connected through six fixingrods; the same gear is arranged on the opposite surfaces of the two fan discs; the gear is meshed with six gears; and a toothed plate is slidably connected in two sliding grooves. According to the high-efficiency motor backward-tilting fan blade and the manufacturing method thereof, the fan blade is processed and manufactured by adopting a numerical control processing mode, the problems caused bypouring manufacturing and extrusion forming manufacturing can be effectively avoided through the numerical control processing mode, the fan blade can be directly used for plastic spraying after numerical control processing forming, subsequent reprocessing is not needed, the rigid strength of a steel plate is prevented from being directly influenced by rigid extrusion, so that the fan blade is notprone to rebound, and the service life of the fan blade is guaranteed while the manufacturing precision of the fan blade is improved.

The invention relates to a method for processing an impeller of an immersible sewage pump. A device for processing an impeller of a low immersible sewage pump is used. The device for processing the impeller of the low immersible sewage pump comprises a mounting bottom plate, a supporting column, a clamping mechanism and a polishing mechanism. The method can solve the problems that it is hard to clamp the impeller of a water pump stably and effectively and it cannot process a plurality of impellers at the same time as the shape of the impeller of the water pump is complex when it is needed to clamp the impeller by using a clamping tool manually in a process of processing the impeller of the immersible sewage pump and the operating labor of a worker is large, it is hard to polish the surfaceof a blade of the impeller stably and uniformly manually as the bending radian and the section shape of the blade of the impeller change, the work efficiency of processing the impeller of the immersible sewage pump is reduced as potential safety hazards may be caused by fragments and sharp edges generated in a polishing process and the like.

The invention belongs to the technical field of electric power protection equipment and in particular provides a multifunctional protective pressure plate comprising an insulating plate and a conductive plate. The insulating plate is in the shape of a cross or a Chinese character 'Mi', and an insulating pad is arranged on each of a plurality of ends of the insulating plate. A first through hole is arranged at the center of each insulating pad, a thread through hole is arranged in the insulating plate, and the thread through hole is arranged in parallel with the first through hole. An insulating toggle block is arranged on the upper end surface of the conductive plate, and a second through hole is arranged at the center of the conductive plate. A screw is arranged in the second through hole, and a baffle plate is fixedly connected with the screw. The lower end of the screw passes through the second through hole and is threadedly fitted with the thread through hole. A compression spring is arranged between the insulating plate and the conductive plate and sleeves the screw. The conductive plate is between the baffle plate and the compression spring. Conductive columns are arranged on two ends of the conductive plate, and the lengths of the conductive columns are smaller than that of the screw. When one of the first through holes is blocked or dirty, the conductive column at the lower end of the conductive plate is adjusted to cooperate with the different first through holes to ensure the power transmission time.

The invention discloses a removable and replaceable pull head. The removable and replaceable pull head comprises an upper ship plate and a lower ship plate, and further comprises a rotatable elephant nose-shaped arch and a supporting core connected to the lower ship plate, wherein the supporting core is inserted into the upper ship plate, extends out of the upper ship plate and is connected with the mounting end of the rotatable elephant nose-shaped arch in a rotatable manner; a gap is formed between the other end of the rotatable elephant nose-shaped arch and the upper ship plate to form a pull sheet introduction opening; an arc-shaped convex part is formed at the bottom of the mounting end of the rotatable elephant nose-shaped arch; an arc-shaped groove corresponding to the arc-shaped convex part is formed in the upper ship plate; a pin is arranged on the rotatable elephant nose-shaped arch and the supporting core in a penetrating manner. All components of the pull head are convenient to combine and remove, and a pull sheet is convenient to replace; furthermore, the pull head can enable a zipper in a closed state to be hidden.

The invention relates to a yarn waxing machine, in particular to a yarn waxing machine facilitating rapid waxing and used for spinning. The yarn waxing machine facilitating rapid waxing and used for spinning can replace wax blocks without shutdown, guarantees the continuity of yarn waxing and improves the working efficiency. For solving the technical problem, the invention provides the yarn waxing machine facilitating rapid waxing and used for spinning. The yarn waxing machine comprises a base provided with a material guide plate connected to the middle of the top, a support connected to the top of the base, a driving mechanism mounted between the support and the base, a wax placing mechanism connected to the top of the base, and a transmission mechanism connected between the driving mechanism and the wax placing mechanism. According to the yarn waxing device, yarn can be waxed through the driving mechanism, the wax placing mechanism, the transmission mechanism and the telescopic mechanism, the multiple wax blocks can be switched for use, and the wax blocks do not need to be manually and frequently replaced.

The invention relates to the field of medicinal material planting, in particular to a three-dimensional water-saving planting frame for medicinal materials. The three-dimensional water-saving plantingframe comprises planting containers, a stand column and a base. The stand column is fixedly mounted on the base, and a plurality of sleeves are rotatably mounted on the stand column in a damping mode. An annular fixing tube is fixedly mounted on the side face of each sleeve. The planting containers are fittingly and fixedly mounted on the inner sides of the annular fixing tubes. An L-shaped tubeis arranged on the upper side of each annular fixing tube at least. A spray nozzle is mounted on each L-shaped tube. A water supply chamber and a water return chamber are formed in the stand column. Each annular fixing tube is communicated with the water supply chamber through a water supply hose. A water return hose is arranged at the bottom of each planting container. The other ends of the waterreturn hoses are communicated with the water return chamber. The inner side of the base is separated into a first cavity and a second cavity through an oblique filter plate. A water pump is arrangedat the bottom of the first cavity, and is connected with the water supply chamber through a water delivery pipe. The lower end of the water return chamber is communicated with the second cavity. The three-dimensional water-saving planting frame has the advantages of simple structure, reasonable design, capability of promoting cultivation of the medicinal materials, energy conservation, environmental protection, and suitability for promotion.

The invention provides a pre-tightening force adjusting device and method of a tension guiding mechanism, and belongs to the technical field of aerospace assembly. The to-be-adjusted tension guiding mechanism is fixed to one side of a fixing seat of the adjusting device, and thus a rotating shaft of the tension guiding mechanism and a rotating shaft of the adjusting device are fixedly connected; arotating wheel is rotated to drive a volute spring of the tension guiding mechanism to be tightly coiled or uncoiled; when the preset position is reached, braking is conducted through a brake, and the volute spring is always in the current state to achieve pre-tightening of the plane volute spring; torque is measured through a torque wrench, and by combining with the positions of clamping grooveswhich are evenly distributed in the circumference, the working position of the plane volute spring when a solar battery array is expanded can be accurately found; and the pre-twisting angle of the plane volute spring is precisely set to be + / - 5 degrees, the output torque is precisely controlled to be + / - 0.04 Nm, and the adjusting efficiency and accuracy of the tension guiding mechanism are improved.

The invention relates to the field of rail transit, in particular to a rail transit obstacle removing device which comprises a fuel oil system, the fuel oil system comprises a throttling valve, the throttling valve comprises a shell, a ball cavity is formed in the shell, a ball body is rotatably connected in the ball cavity, an oil hole is formed in the ball body, and the shell is provided with an oil outlet path and two channels; the ball body is connected with an oil inlet pipe communicating with the oil hole, a rotating shaft is connected to the ball body, and the end, away from the ball body, of the rotating shaft is fixedly connected with a rotating disc; a rotary adjusting disc is arranged above the shell, and a bevel gear set is connected between the adjusting disc and the oil inlet pipe; a piston cavity is formed in the shell, a piston is connected into the piston cavity in a sliding mode, a first tension spring is connected between the piston and the bottom of the piston cavity, and the interior of a closed space formed by the piston and the piston cavity is arranged in a vacuum mode; and a pull rope is connected to the piston, the end, away from the piston, of the pull rope is wound around the adjusting disc and is connected with a counter weight. According to the scheme, it is achieved that the throttling valve in the fuel oil system can be automatically adjusted in different altitude environments.

The invention belongs to the technical field of machinery and relates to a combination tool and method for installing and detaching an engine piston and a flame ring. The tool comprises a supporting body, a piston tensioning device and a flame ring detaching device, wherein the supporting body is composed of a supporting disc (1), a handle (4) and a nut (11), the piston tensioning device is composed of a tensioning block (9), a spring (10), a push rod (7), a stressing rod (5) and a bolt II, and the flame ring detaching device comprises a positioning block (3) and a bolt I. The combination tool and method solve the problem that the engine piston and the flame ring are hard to detach manually. The combination tool is convenient and fast to operate, labor intensity is low, time and labor are saved, and working efficiency is improved greatly.

The invention belongs to the technical field of folding deck chair, and particularly relates to a folding deck chair. The folding deck chair comprises a folding frame and a fabric arranged on the folding frame. The folding frame is composed of a fabric frame for containing the fabric and a support rotationally arranged on the fabric frame, handrail rods are arranged at the two sides of the fabricframe, a seat frame is arranged in the middle of the fabric frame, and a supporting part making contact with the ground is integrally arranged on the seat frame. When the deck chair is folded, the supporting part makes contact with the ground, the fabric frame is retracted and folded towards the middle, the gravity center of the deck chair is moved to the portion above the supporting part, the deck chair is vertically arranged on the ground, and the folding deck chair is simple in structure and can be independently and vertically arranged.

The invention provides a portable auxiliary backrest supporting device for sitting and lying. The device comprises a supporting base, an anti-skid seat, armrest mechanisms and a back supporting mechanism, wherein the armrest mechanisms are installed on the supporting base in a bilateral symmetry mode, the anti-skid seat is installed on the supporting base, and is located between the armrest mechanisms, and the back supporting mechanism is installed on the supporting base in a running fit mode. According to the invention, the arranged armrest mechanism adopts a foldable and liftable adjusting mode, corresponding adjustment can be conducted according to use requirements, the back supporting mechanism can automatically rotate according to the backrest angle needed by passengers, and the supporting height and the left-right supporting position of the back can be automatically adjusted according to individual differences of different passengers, so that the riding comfort of the passengersis improved.

The invention discloses a multimedia electronic device, which comprises a base. A plurality of moving wheels are arranged at the bottom end of the base; a fixed plate is fixedly arranged at the top end of the base; the fixed plate is connected with a mounting plate through a lifting mechanism; a mounting groove is formed in the surface of the mounting plate; a plurality of symmetrically distributed fixing mechanisms are arranged at the left end and the right end in the mounting groove; a display is mounted in the mounting groove through the fixing mechanism; the lifting mechanism comprises a lifting screw rod; a sliding groove is formed in the surface of the fixed plate; the lifting screw rod is rotationally installed in the sliding groove; and the top end of the lifting screw rod extendsto the position above the fixed plate and a hand wheel is fixedly mounted. The structure is simple, the display can be conveniently assembled and disassembled, the height of the display can be adjusted, and the whole device can be moved and is convenient to use.

The invention relates to the technical field of electronic shooting. A chip contact assembly provided by the invention comprises a first matrix, a chip and a connection contact pin and also comprisesa connection touch pin, wherein the chip is fixedly arranged on the first matrix and is provided with an electrical contact surface, the connection contact pin is provided with a first leg and a second leg, the connection contact pin is hinged with the first matrix, and the electrical contact surface is arranged on a rotation path of the first leg. A consumable container provided by the inventioncomprises the chip contact assembly. The connection contact pin is hinged with the first matrix, the electrical contact surface of the chip is arranged on the rotation path of the first leg, thus, theexternal matrix props against the connection contact pin to rotate when the chip is connected with an external electrical connection part, the first leg props against the electrical contact surface of the chip, the second leg props against the external electrical connection part, the electrical contact surface of the external electrical connection part and the chip can be electrically connected by the connection contact pin, and favorable electrical connection between the chip and the external electrical connection part is facilitated.

The invention discloses a flower planting frame, and relates to the technical field of flower planting. The flower planting frame comprises a supporting frame, the supporting frame comprises a frame and a base seat, the frame and the base seat are connected through a power device, a flowerpot assembly is arranged in the frame, the frame comprises a round plate, the round plate is provided with four trusses in a central symmetry manner, the outer end of each truss is connected with a support which is perpendicular to the ground, the cylindrical base seat is arranged directly below the round plate, and preferably, the lower surfaces of the trusses are provided with spraying devices. According to the flower planting frame provided by the invention, a tester can conveniently classify, observeand record test plants.

The invention discloses a drowning-preventing lifesaving system for a water conveyance canal with a side slope. The system comprises a dual-power remote control ship, an automatic inflation life buoy,a lifesaving rope, a slipway trolley, a remote control handle and a damping winding device, an automatic unhooking device is mounted at the tail part of the dual-power remote control ship; the automatic inflation life buoy is connected with the automatic unhooking device through a first traction rope; one end of the lifesaving rope is bound to the automatic inflation life buoy, the other end of the lifesaving rope is wound in the damping winding device, the rear side of the slipway trolley is connected with a second traction rope, and the remote control handle is connected with the dual-powerremote control ship and the automatic unhooking device through wireless signals. The dual-power remote control ship goes into water of a canal through the slipway trolley, the dual-power remote control ship quickly and accurately conveys the lifesaving equipment to the side of a drowning person, rescuers do not need to go into the water of the canal, the safety of the rescuers is guaranteed, therescue difficulty is reduced, the rescue time is shortened, and the rescue success rate is increased.

The present invention relates to an anti-theft safety locking pin system. The system comprises a pin shaft spring and an anti-theft safety locking pin. The lower side of the gear is provided with a gear guide groove, and the top of the anti-theft safety locking pin is provided with a slide block sliding along the gear guide groove. When the gear rotates, the guide groove causes the slide block toprotrude outward in a straight line. A locking hole and an unlocking hole are provided on the locking tab, and the depth of the locking hole and the unlocking hole is inconsistent. As that unlocking function and the anti-theft function of the anti-theft safety locking pin system of the invention are realized by adopt the same structure, the product structure is simplified, the complexity of the product is reduced, the number of part is reduced, the cost is reduced, the reliability is improved, and the lightweight and miniaturization are realized.