336 results about "Tripping" patented technology

The invention provides a tool applied to the field of petroleum drilling, and particularly relates to an electrically-controlled reducing cutter, which has the technical scheme that the extension and retraction of the cutter are accurately controlled by a control base driving motor and an electromagnet, wherein the control base driving motor comprises an MCU (Microprogrammed Control Unit) and a wireless communication module; the control base can receive a ground instruction and transmit an underground working state signal back in real time; meanwhile, the ratchet mechanism is matched with the electromagnet to achieve extending and retracting of the cutter position, and the pawl is always in close contact with the ratchet wheel under the action of the spring. And the lower shell is in threaded connection with the guide shoe. The cutting knife is driven to rotate through the transmission shaft, the cutting knife is controlled to stretch out and retract through the intelligent electric control system, continuous cutting of casing pipes with different pipe diameters can be achieved, the tripping frequency is reduced, and the casing pipe cutting efficiency in the well abandoning operation process is greatly improved.

The invention discloses a circuit breaker integrated with an adjustable hydraulic release. The circuit breaker comprises a circuit breaker body, wherein the adjustable hydraulic release, a release transmission mechanism and a main contact system are arranged in the circuit breaker body. The adjustable hydraulic release comprises a release body and an intelligent control module; the tripper body is provided with an oil cup, an oil cup iron core capable of axially moving, a pole shoe, a first coil and an armature, and the armature is linked with the tripping transmission mechanism. When the first coil is electrified, a first electromagnetic force is generated to push the oil cup iron core to move towards the pole shoe and finally attract the armature to trigger a tripping action so as to break a circuit. The intelligent control module is located at the end of the oil cup and can generate second electromagnetic force in the same direction or reverse direction as the first electromagnetic force to act on the oil cup iron core, and rated current adjustment and overload protection adjustment are achieved. According to the design, the problem that the protection characteristic of a traditional hydraulic electromagnetic release is fixed is solved, the number of synthesized ampere turns is equivalently changed through controllable second electromagnetic force, the rated current is flexibly adjusted, and the requirements of different devices are met.

The application discloses a quick closing operation mechanism of a circuit breaker, which comprises a shell, a handle, a static contact support, a movable contact support, a linkage and a tripping mechanism, the handle and the movable contact support are rotationally arranged in the shell, a contact torsional spring is arranged between the shell and the movable contact support, a long circular hole is arranged on the movable contact support, a pin shaft is arranged in the shell and passes through the long circular hole, and the movable contact support rotates relative to the pin shaft; an installation area is arranged in the shell, an energy storage limiting piece is slidably arranged in the installation area, a movable area is arranged on the handle, an abutting portion is arranged on the movable contact support, the energy storage limiting piece is provided with a moving portion and a matching portion which are arranged in the movable area, the application can make the movable contact support move beyond the stroke, is not limited to a fixed point, improves the contact force, and based on the energy storage limiting piece, the last action of closing is realized to store energy, the oxides between the movable contact and the static contact can be quickly broken down, and the overall closing effect is improved.

The invention discloses a drilling fluid flow calculation method for gas lift reverse circulation drilling. The drilling fluid flow calculation method comprises the following steps: S1, defining a gas lift reverse circulation lifting force and friction loss pressure model; s2, assuming that the drilling fluid flow in the circulation process is Qm; s3, calculating the total friction pressure of gas lift reverse circulation; s4, calculating the gas lift reverse circulation lifting force; and S5, according to the gas-lift reverse circulation lifting force and the gas-lift reverse circulation total friction force, the upward backflow amount of the drilling fluid is calculated. According to the invention, by inputting the gas lift reverse circulation well depth structure and the drilling related parameters, the influence of the gas lift reverse circulation well depth structure and the drilling related parameters on the backflow amount of the drilling fluid is researched, so that the optimal operation parameters of the optimal gas lift reverse circulation are obtained. According to the method, parameters of the air compressor air supply amount, the double-wall drill rod tripping-in depth, the double-wall drill rod specification and the single-wall drill rod specification selected for drilling of the gas lift reverse circulation geothermal well drilling can be optimized, and a reasonable theoretical basis is provided for more reasonably achieving gas lift reverse circulation drilling.

The invention discloses a built-in backup protection tripping device of a circuit breaker, and belongs to the technical field of circuit breakers. Comprising a magnetic steel unit group and an actuating mechanism, the magnetic steel unit group is composed of a fixed first magnetic steel group and a slidable second magnetic steel group, and an induced current is generated when the magnetic steel unit group is electrified to drive the second magnetic steel group to move transversely; the action mechanism comprises a push plate, a push plate spring, an inclined plane guide block and a push rod, when short circuit occurs, the electromagnetic driving force overcomes the spring force and drives the push plate to move transversely, the transverse movement of the push plate is converted into the vertical movement of the push rod through the inclined plane guide block, and a tripping rod of the circuit breaker is pushed to rotate to realize tripping. According to the device, a non-excitation type and passive response type backup tripping mechanism is constructed by innovatively adopting an induction magnetic steel group and an inclined plane motion conversion mechanism, the technical defect of protection failure caused by electromagnetic interference of a traditional electromagnetic tripping device is fundamentally overcome, and the device is particularly suitable for the application field with extremely high requirements on safety and stability.

A circuit breaker relates to the technical field of low-voltage electrical appliances and comprises a shell, a handle, an operating mechanism and a contact mechanism, the shell is provided with a first rotating shaft and a second rotating shaft, the operating mechanism is mounted on the first rotating shaft and comprises a mechanism seat, a jump fastener and a lock fastener, the contact mechanism comprises a moving contact and a static contact, the moving contact is mounted on the second rotating shaft, and the static contact is mounted on the second rotating shaft. The handle and the jump fastener are connected through a first connecting rod. The jump fastener and the moving contact are connected through a second connecting rod. During normal switching-on or switching-off operation, the locking fastener is buckled with the tripping fastener, and the handle is driven to drive the mechanism seat to rotate around the first rotating shaft through the first connecting rod, so that the moving contact is driven to be close to or far away from the static contact through the tripping fastener and the second connecting rod; when a fault is tripped, the locking piece and the tripping piece are tripped, and the moving contact is driven to rotate around the second rotating shaft so as to be far away from the static contact. According to the circuit breaker, the operating mechanism and the moving contact are respectively arranged on different rotating shafts, and the motion decoupling of the operating mechanism and the moving contact is realized during fault tripping, so that the moving contact can be quickly broken.

The invention discloses a method for predicting the mechanical wear of a circuit breaker, and relates to the testing of the switching capacity of the circuit breaker, and the method comprises the steps: collecting the operation time T and the operation frequency N of the circuit breaker, and the duration Di and the current value Ii of the current during the ith switching-on, switching-off, tripping or tripping; a mechanical wear rate model is constructed, and the contribution of the running duration, the mechanical operation frequency and the current events exceeding a set threshold value to wear is fused; not only is a tripping event considered, but also switching-on, switching-off and tripping events are considered; only wear caused by mechanical operation times is considered for current events lower than a threshold value; the invention provides a complete method for predicting the mechanical wear of the circuit breaker, and the method is combined with the prediction of the electrical wear, so that a basis can be provided for the replacement and maintenance of the circuit breaker more accurately.

The invention provides a tool applied to the field of petroleum drilling, and particularly relates to a connecting rod type electric control multistage variable-diameter centralizer which is characterized in that an execution module and a communication module are core modules of the connecting rod type electric control multistage variable-diameter centralizer, and the execution module comprises a stroke control unit and a push-out unit; the stroke control unit enables an upper conduction section to move downwards through the pressure of drilling fluid, an armature extends out and is clamped into a key hole under the action of electromagnets to achieve stroke control, the three electromagnets are controlled on the ground to be electrified to achieve multi-stage diameter changing, and the push-out unit moves downwards through a connecting rod driving section, so that a push-out rod horizontally pushes out a centralizing block. The tool is located in the center of a shaft, the communication module enables the lower conduction section to move downwards through the pressure of drilling fluid, and therefore the pressurizing block is pushed to stretch out inwards, the pressure of the drilling fluid is increased, and the ground can know whether centralizing is in place or not by capturing a pressure signal of the drilling fluid. Multi-stage reducing can be provided, the tripping frequency is reduced, and the drilling efficiency is effectively improved.

The technical scheme belongs to the technical field of circuit breakers, and particularly relates to a button tripping structure of a circuit breaker, which comprises a shell, a short-circuiting device, a tripper and a testing mechanism, the testing mechanism forms a loop to attract an armature after being electrified, the tripping structure is arranged in the shell and is linked with the testing mechanism, and the button tripping structure comprises a reset button, a linkage rod, an elastic piece and the armature. The reset button slides at a button opening in the side wall of the shell and is provided with a clamping part; the other end of the linkage rod penetrates through the through hole of the shell and is connected with the short-circuiting device; the elastic piece abuts against the reset button and the inner wall of the shell, so that the reset button tends to move towards the linkage rod, the armature is hinged to the interior of the shell, a lock catch protrusion is arranged and can be switched between a first position and a second position around a shaft, at the beginning, the armature is opened at the first position, and a clamping part of the lock catch protrusion limits the reset button. When the circuit breaker is released, the lock catch protrusion is released from the clamping portion, the elastic piece pushes the reset button to slide to the button opening, the linkage rod moves along with the reset button to release the circuit breaker, and releasing is smooth and efficient.

The invention relates to a ground simulation device for testing an underground logging pup joint, which comprises a logging pup joint and a leak-off ring which are arranged in a kettle body, the logging pup joint is positioned in the leak-off ring, the kettle body is connected with a slurry injection unit, and the slurry injection unit is used for injecting slurry into a space in the leak-off ring and a space outside the leak-off ring. The slurry injection unit is also used for injecting pressure into the leak-off ring, so that the slurry in the leak-off ring is filtered into a mud cake; electromagnets and force measuring sensors are arranged on the left side and the right side of the kettle body, the electromagnets are used for providing suction force for the well logging short section, and the force measuring sensors are used for measuring the suction force of the corresponding electromagnets; the lower end of the kettle body is connected with a vertical force applying unit, and the vertical force applying unit is used for injecting a jam releasing force in the vertical direction to the lower end of the kettle body so as to research the relationship between the jam releasing force and the suction force. Potential hazards possibly caused by testing of the well logging short section in an actual well are greatly avoided, and manpower, material resources and time cost are saved to a great extent.

The utility model relates to a tripping mechanism and circuit breaker relates to electrical switch technical field. The tripping mechanism includes support, lock catch spare and jump catch spare, support, lock catch spare and jump catch spare set up in the casing of circuit breaker respectively, support is connected with casing, lock catch spare, jump catch spare and the movable contact of circuit breaker rotation respectively, lock catch spare is used for with jump catch spare buckle, jump catch spare is connected with the handle transmission of circuit breaker, handle is driven through support, lock catch spare and jump catch spare common cooperation drive movable contact and the static contact of circuit breaker and open or close gate, wherein, the connecting line direction of the rotation connection point of support and casing and the rotation connection point of jump catch spare and support is first direction, the connecting line direction of the rotation connection point of support and casing and the rotation connection point of movable contact and support is second direction, the included angle between first direction and second direction is less than 90 DEG. The circuit breaker includes above-mentioned tripping mechanism. The tripping mechanism and circuit breaker can solve the problem that the volume of traditional circuit breaker is bigger.

The invention discloses a quick tripping drilling machine and a tripping and tripping method thereof. The drilling machine comprises a site multifunctional device which is arranged on the front ground and used for turning a drilling tool into a horizontal state or a vertical state; the power drill rod box is arranged on at least one side of the site multifunctional device and used for conveying drilling tools to the site multifunctional device or receiving the drilling tools from the site multifunctional device. The base is arranged on the ground on the rear side of the site multifunctional device, the base is provided with a power slip used for clamping a drilling tool in the center of a well mouth, an iron roughneck used for screwing on and screwing off at the position of the well mouth and a derrick, a top drive is arranged in the derrick, a power elevator is hung on the lower portion of the top drive, and a pushing manipulator is arranged on the middle rear portion of the derrick. By means of flexible configuration and collaborative operation of the ground site multifunctional device and the power drill rod box, the three-joint unit does not need to be stored on a table top in the tripping operation process, and operation is directly conducted between the drill rod box and a well mouth.

The utility model discloses an oil-immersed circuit breaker short circuit protection tripping mechanism which comprises an excitation conductor, an instantaneous armature, a limiting plate and a reset elastic piece, the instantaneous armature is rotatably arranged on a circuit breaker shell and located on the lower side of the excitation conductor, and the limiting plate is rotatably arranged on one side of the instantaneous armature and is in limiting fit with a contact mechanism of a circuit breaker. A push rod piece used for pushing the limiting plate to rotate is formed on the instantaneous armature, and the reset elastic piece is connected with the instantaneous armature. When a short-circuit fault occurs in the circuit breaker, the instantaneous armature is attracted by electromagnetic force to rotate towards one side of the excitation conductor, and the limiting plate is pushed to rotate through the push rod piece, so that the contact mechanism is triggered to execute tripping and opening actions, and after the short-circuit fault of the circuit breaker is relieved, the instantaneous armature is driven to rotate. And the instantaneous armature can rotate towards one side far away from the excitation conductor under the action of the elastic force of the reset elastic piece, so that the quick reset function of the instantaneous armature is realized, and the use safety and reliability of the product are improved.

This invention belongs to the field of oil and gas drilling technology, specifically relating to a PDC drill bit with automatically updating composite cutting discs. It aims to solve the problem of existing drill bits requiring tripping and bit replacement when drilling speed decreases due to tooth wear, thus affecting drilling efficiency. The PDC drill bit with automatically updating composite cutting discs includes a drill bit body, a mounting groove on the drill bit body, and multiple cutting discs arranged side-by-side in the mounting groove. Below the mounting groove is a longitudinally extending output channel communicating with the mounting groove, and adjacent cutting discs are connected in the output channel by a tenon and mortise structure. It also includes a drive device located at the bottom of the drill bit body. During normal drill bit operation, the drive device is pressurized and stores power; when the drill bit is lifted, the drive device applies a downward pulling force to the cutting discs to move them downwards. This PDC drill bit can automatically update the cutting discs during drilling, to a certain extent avoiding tripping due to drill bit wear and improving production efficiency.

A method for tripping out of an underbalanced well, the method comprising: determining the drilling fluid balance density and the annular pressure loss outside the drill pipe; determining the time for oil and gas to surge to the wellhead and the tripping time to the depth of the first injected gas plug, and comparing them to determine whether the conditions for safe operation are met; if the conditions for safe operation are met, determining the density and volume of the first gas plug based on the drilling fluid balance density and the annular pressure loss outside the drill pipe; tripping out of the well based on the density and volume of the first gas plug, completing the tripping out of the first gas plug; determining the density and volume of the gas plug at the depth near the wellhead using a preset method based on the depth after the tripping out of the first gas plug; and completing the tripping out of the gas plug near the wellhead based on the determined density and volume of the gas plug at the depth near the wellhead.

The invention relates to the technical field of petroleum drilling downhole tools, and provides a directional drilling tubular column and a well deviation control method thereof. The directional drilling pipe column comprises a drilling tool assembly, a measuring system assembly, a well deviation adjusting pup joint assembly and a bent motor power assembly. The well deviation adjusting method comprises the steps that a control command is received; controlling a power mechanism of the well deviation adjusting pup joint assembly according to the control command so as to adjust the outer diameter of the well deviation adjusting pup joint assembly, so that the directional drilling pipe column is attached to and supported on the well wall; the drilling tool assembly is controlled to apply drilling pressure, the bending motor generates torque and power in the specific direction, and the drill bit drills in the preset direction. The directional drilling pipe column can adjust well deviation, and repeated tripping operation is not needed.

The invention relates to the technical field of circuit breakers, and discloses a high-low voltage circuit breaker propelling mechanism which comprises a switching-off mechanism, a frame assembly is fixedly installed on the inner wall of the switching-off mechanism, a communication assembly is installed on the inner wall of the switching-off mechanism, and an operator pulls a spring reset rod to drive a radian stop block to move. Then a connecting rod is pushed to ascend to drive a balancing weight, a sliding rod, a spring ring and a connecting block to synchronously ascend, the connecting block ascends to push a moving contact on a moving contact supporting piece to be in contact with a static contact to enable current to be connected, when the current is large, a spring ejector rod downwards pushes an L-shaped plate to descend to enable a radian stop block to be separated from a fixing ring again, and at the moment, the connecting rod is pushed to ascend to drive the balancing weight, the sliding rod, the spring ring and the connecting block to synchronously ascend. The spring ring and the balancing weight return, and a larger initial driving force is provided by utilizing the elastic potential energy of the spring of the spring ring and the gravitational acceleration of the balancing weight, so that the moving contact supporting piece and the static contact can be quickly separated for a larger distance, the duration time of an electric arc is shortened, and the continuous combustion of the electric arc is effectively prevented.

An operating mechanism of a circuit breaker, comprising: a support (1); a rocker arm assembly, a tripping fastener (7), a locking fastener (10), and a refastening piece (9) that are rotatably provided on the support (1), separately; a first crank (14); an energy storage spring (4); a sliding rail (1-0) fixedly arranged relative to the support (1); a sliding block (18); a first connecting rod (16); a second connecting rod (19); a second crank (22) rotatably arranged about a sixth center (6S); a third connecting rod (23); and a third crank (25) rotatably arranged about a seventh center (7S), wherein the third crank (25) is located on one side of the operating mechanism in the horizontal direction of the operating mechanism. Switching between three working states can be achieved without connection to a contact system; moreover, the layout of the contact system can be changed, so as to provide a larger installation space for an arc-extinguishing chamber.

The utility model discloses an electric leakage test detection loop and a release, and belongs to the technical field of low-voltage electric appliances. The electric leakage test detection loop comprises a first connecting piece and a first torsion spring, wherein the first torsion spring is connected with the first connecting piece; a first breakpoint is formed between the second torsional spring and the first connecting piece, and the second torsional spring can abut against the first connecting piece; the first torsional spring and the second connecting piece are second breakpoints, and the first torsional spring can abut against the second connecting piece; one end, deviating from the first connector, of the second torsion spring is connected with the third connector; one end of the second connecting piece away from the first torsion spring is connected with the circuit board. One end of the third connecting piece away from the second torsion spring is connected with the circuit board. The first torsion spring and the second torsion spring are arranged on the outer side of the release shell, so that the space in the release shell is saved, the purpose of reducing the design space of the electric leakage release is achieved, and the dielectric property of a product is improved. And by arranging the two breakpoints, mistaken touch of an operator is avoided, and high stability and reliability are achieved.

The utility model provides a surge protector tripping mechanism, which belongs to the technical field of surge protectors, and comprises a shell, a mounting groove is arranged at the top of the shell, two groups of hook pieces are arranged in the mounting groove, a rotatable tripping piece is arranged between the two groups of hook pieces, the tripping piece can be connected with one group of hook pieces, and the other group of hook pieces can be connected with the other group of hook pieces. The corresponding sides of the two groups of tripping pieces are provided with connecting pieces, one end of one group of connecting pieces is connected with a Hall current detection module, one side of the Hall current detection module is connected with a second output pin, and the second output pin is connected with an external detection load or a grounding wire; through the arrangement of the Hall current detection module, when the mechanism detects that a surge phenomenon is tripped, the tripping piece is connected with the Hall current detection module, and the Hall current detection module continuously captures line state information, so that the problem that a traditional tripping mechanism cannot continuously detect a line during tripping is solved.

The utility model discloses a clapper type circuit breaker, which comprises a shell, a handle arranged on the shell and a tripping mechanism arranged in the shell, and the handle is linked with the tripping mechanism. A magnet yoke is also arranged in the shell, and an armature is arranged above the magnet yoke; the armature comprises an attraction part, one end of the attraction part is arranged on a supporting shaft arranged on the inner wall face of the shell in a sleeving mode through an arranged shaft pin base, and the armature is promoted to be separated from the magnet yoke in the normal state through an arranged torsional spring. The armature of the equipment is sleeved on the supporting shaft in the shell through the shaft pin seat, and the armature is promoted to be separated from the magnet yoke in a normal state through the torsion spring, so that on one hand, the number of limiting parts for limiting the position of the armature is reduced, the internal structure of the shell is optimized, and the assembling efficiency of the equipment can be improved; and 2, the number of the limiting parts is reduced, so that the processing difficulty and complexity of the shell are reduced, and the production cost of equipment is reduced.

The utility model belongs to the technical field of tripping devices, and particularly relates to a thermal relay tripping device, which comprises a shell and a tripping assembly, the tripping assembly is arranged in the shell and comprises a first metal sheet and two second metal sheets with different thermal expansion coefficients, and the first metal sheet and the second metal sheet are arranged in the shell. The two second metal sheets are arranged on the two sides of the first metal sheet respectively, the top end and the bottom end of one side of each second metal sheet are fixedly connected with the top end and the bottom end of one side of the first metal sheet respectively, and connecting assemblies are arranged at the two ends of the tripping assembly respectively. According to the utility model, because the number of the second metal sheets is two, one of the second metal sheets deforms towards the direction close to the clamping hook, and the other second metal sheet deforms towards the direction close to the inner wall of the shell, when the side walls of the second metal sheets are contacted with the inner wall of the shell, the whole tripping assembly is pushed to approach the clamping hook, and the contact speed of the tripping assembly and the clamping hook is further improved; the sensitivity is improved.

The invention relates to the technical field of oil exploration, and provides an analysis method and device for safe tripping-in of a well completion pipe string, and the method comprises the steps: obtaining the actual hook load data and well section information of an open hole section based on a drifting process; constructing a tubular column friction torque calculation model of the drifting drilling tool assembly; on the basis of the tubular column friction resistance torque calculation model, the actual hook load data of the open hole section and the well section information of the well, the well hole open hole section friction resistance coefficient is calibrated; on the basis of well section information and the well hole open hole section friction resistance coefficient, a solving model of the axial force of the well completion pipe string and a critical load value calculation model of well completion pipe string buckling are built; and on the basis of the solving model of the axial force of the well completion pipe string and the calculation model of the critical load value of buckling of the well completion pipe string, whether the well completion pipe string is safely tripped is determined. According to the method, the friction resistance coefficient in the drifting stage is determined, the invisible shaft cleaning state is known, the current friction resistance coefficient is used for evaluating the to-be-tripped well completion pipe string, and therefore operation risks and operation complexity are avoided, and the operation efficiency is improved.

The invention discloses an operating mechanism and a circuit breaker, the operating mechanism comprises a handle, a contact support and a moving contact, the handle is rotatably installed on a base, a connecting rod is also arranged between the handle and the contact, the moving contact is installed on the contact support, a first spring is also arranged between the contact support and the moving contact, and a second spring is also arranged between the contact support and the moving contact. The moving contact is under the action of the spring force of the first spring, and the moving contact is always in contact with the contact support without external force. The circuit breaker further comprises a lock catch, the lock catch is installed on the contact support, a second spring is further installed on the lock catch, the connecting rod makes contact with the lock catch and the contact support through the spring acting force of the second spring, and the lock catch is used for achieving the functions of instantaneous tripping, overload tripping and circuit breaker linkage. Compared with the prior art, the mechanism combines a plurality of parts into one part, the reliability of the circuit breaker is reduced by reducing the parts, the manufacturing cost of part molds is reduced, and the assembly efficiency of the circuit breaker is improved.

The invention is a kind of tripping device fixing device, which comprises a tripping device base and a cover, and a tripping device body is installed on the tripping device base, characterized in that it further comprises a bracket, the bracket is installed on the cover, the front part of the tripping device base is fixed with the bracket, and the rear end of the tripping device base is fixed with the cover through buckling. The invention ensures the fixing reliability of the tripping device by increasing a bracket to cooperate with the tripping device base without increasing the size of the space, reduces the scrap rate of the cover parts, and the bracket also has a wiring function, so that a separate wiring groove is not needed, and the number of parts is reduced.

The utility model relates to the technical field of transformer protection assemblies, in particular to a six-node relay separation mechanism which comprises a shell, a junction box is installed at the top end of the shell, a signal rod is installed on the inner side of the shell, an oil flow baffle is installed at the bottom of the inner side of the shell and arranged below the signal rod, and a relay is installed on the signal rod. The bottom of one side of the shell is provided with a lower floating ball, one side of the shell is provided with an upper floating ball, the upper floating ball is arranged above the lower floating ball, the surface of the shell is provided with a first reed pipe and a second reed pipe, the first reed pipe is arranged on one side of the second reed pipe, the rear side of the shell is provided with a third reed pipe, and the third reed pipe is arranged on the other side of the shell. According to the technical scheme, through the design of the device, when the transformer breaks down, the functions of the heavy gas flow velocity baffle and the oil flow velocity baffle are separated, and the independent contact sends out a tripping signal so that the transformer fault can be better analyzed.

1. The name of the design product: tripping magnet. 2. The use of the design product: for electromagnetic tripping device. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The invention discloses a tripping device and a circuit breaker, and relates to the low-voltage electrical technical field. The tripping device comprises an operating mechanism which rotates around a first rotating shaft and a tripping accessory which rotates around a second rotating shaft and is matched with the operating mechanism. The tripping accessory is provided with a driving part; the operating mechanism comprises a moving contact assembly, a lock catch and a jump pin, the jump pin is connected with the moving contact assembly, and the lock catch is buckled with the jump pin; the lock catch is provided with a first driven part in driving fit with the driving part, the driving part is driven by external force, and the lock catch and the jump pin are unlocked through the first driven part. The tripping device can directly drive the lock catch to unlock after being subjected to external tripping force, the action synchronism of multi-stage tripping is improved, and the transverse size of the device is reduced.

The invention discloses a winch positioning cruise control method, device and equipment, and relates to the field of data processing.The winch positioning cruise control method comprises the steps that when it is detected that the height of a winch exceeds a preset height threshold value, a measurement starting signal is sent to a visual recognition system; receiving the coupling height fed back; acquiring the height and speed of the winch at the target moment; and determining the final stop height of the winch according to the coupling height, the height of the winch, the speed, the reference stop height and the data transmission delay. Accumulative errors are eliminated through vision measurement, and system delay is overcome through a prediction compensation algorithm. By means of the method, one-time alignment can be achieved, repeated adjustment caused by inaccurate positions is avoided, the operation time of tripping of each stand column is greatly shortened, and the well drilling efficiency is improved. Misoperation is avoided through a condition triggering mechanism; the equipment collision risk is reduced through high-precision positioning; the whole process is automatically completed by the system, and the possibility of manual misoperation is reduced.

At least one embodiment of the present disclosure provides a trip device and a circuit breaker including the trip device. The tripping device comprises a support; a static yoke having a conductor accommodating recess; a conductor extending through the conductor accommodating recess; the moving armature is configured to be attracted by the static magnet yoke to move from a non-tripping position to a tripping position when current exceeding a preset threshold value passes through the conductor; a pull rod fixed to the moving armature; and the tripping rod is provided with a shifting part matched with the pull rod. And at the non-tripping position, the shifting part is separated from the pull rod. And when the moving armature moves from the non-tripping position to the tripping position in the longitudinal direction, the pull rod shifts the shifting part of the tripping rod after moving for an idle stroke, so that the shifting part moves to disconnect the circuit breaker. The tripping device is convenient to install, has a short tripping response time and / or has a low and adjustable tripping threshold value.