386 results about "Opening - action" patented technology

A transmission mechanism (200) and an electric chuck. The transmission mechanism (200) comprises a lead screw (201), a lead screw nut (202), and a pull rod connecting shaft (204). The lead screw (201) is provided with a power connection end connected to a power mechanism (100), and the lead screw (201) rotates under the drive of the power mechanism (100). The lead screw nut (202) is located in front of the power connection end. The lead screw nut (202) is sleeved on the outer circumference of the lead screw (201), the lead screw nut (202) is matched with the lead screw (201) by means of threads, and the lead screw nut (202) is driven by the rotation of the lead screw (201) to move back and forth along the axial direction. The pull rod connecting shaft (204) is located in front of the lead screw nut (202), the pull rod connecting shaft (204) is connected to the lead screw nut (202), the pull rod connecting shaft (204) is driven to move axially by an axial movement of the lead screw nut (202), and the pull rod connecting shaft (204) is configured to drive a clamping jaw transmission assembly (300) to move axially. The transmission mechanism (200) can convert a rotation output of the power mechanism (100) such as a motor (101) into a linear movement and output same to the clamping jaw transmission assembly (300) and a clamping jaw (400), so as to implement a clamping action or an opening action of the clamping jaw (400).

The utility model relates to a handcart type switching device for power supply or distribution, in particular to a circuit breaker. The circuit breaker comprises a fixed base, a mechanism box and a three-phase solid-sealed polar pole are arranged on the fixed base, an opening and closing mechanism for driving the three-phase solid-sealed polar pole to conduct opening and closing is arranged in the mechanism box, and the opening and closing mechanism comprises an electromagnetic mechanism and a permanent magnet maintaining mechanism which are integrated in the mechanism box and used for driving the closing action. An output shaft is arranged on a movable iron core of the electromagnetic mechanism, the permanent magnet holding mechanism and the repulsive force mechanism both act on the output shaft, so that each stage in the opening and closing process can be rapidly completed, the repulsive force mechanism is high in response speed, needed repulsive force can be rapidly generated, and the reliability of the opening and closing operation is improved. The permanent magnet holding force is overcome, rapid opening is realized, the opening time is shortened, and the opening speed is obviously improved.

The invention discloses a method and device for controlling a robot to open a door and a nonvolatile storage medium. The method comprises the steps that pose information corresponding to a target handle and position information corresponding to a mechanical arm and a chassis in a target robot are obtained; inputting the pose information, the position information corresponding to the mechanical arm and the position information corresponding to the chassis into the target dynamic motion primitive model to obtain a predicted motion track; state information corresponding to the mechanical arm and the chassis is obtained; based on the state information corresponding to the mechanical arm and the chassis, corresponding dynamic models are established; an action sequence is generated based on the predicted motion trail, kinetic models corresponding to the mechanical arm and the chassis and a prediction control model based on the model; and controlling the mechanical arm and the chassis to perform door opening motion based on the action sequence. The technical problems that a mechanical arm and a chassis of an existing robot are poor in coordination, a handle can not be accurately grabbed or the door opening action can not be completed when the robot moves according to a fixed track, and accidents are likely to happen are solved.

The invention belongs to the technical field of food machinery, and particularly relates to a steamed bun blank forming device which performs square-to-round forming without changing the temperature of a dough blank and comprises a forming rack, and a pressing-breaking shaping mechanism, a steamed bun blank cutting mechanism and a rubbing roller mechanism are arranged on the forming rack from front to back. A steamed bun blank shaping clamping hand is arranged on the forming rack and located on the rear side of the rubbing roller mechanism, the steamed bun blank shaping clamping hand comprises a supporting frame, guide rods are arranged on the supporting frame in a crossed mode and sequentially arranged, clamping jaw assemblies are arranged on the two sides of each guide rod respectively, and a driving assembly used for driving the clamping jaw assemblies to correspondingly move along the guide rods is arranged on the supporting frame. Due to the fact that the steamed bun blank shaping clamping hand is provided with the four clamping jaw assemblies, each clamping jaw assembly is provided with one shaping clamping plate, and the inner side face of each shaping clamping plate is an arc-shaped face, the steamed bun blank shaping clamping hand can be folded under driving of the driving assembly to conduct final shaping on steamed bun blanks. And finally formed steamed bun blanks are more attractive.

The invention relates to an inner shrinkage core mold, which comprises a top plate, a front mold, a rear mold and a bottom plate, an ejection structure is arranged between the rear mold and the bottom plate, the ejection structure comprises an upper ejection plate and a lower ejection plate, the lower ejection plate is rotatably connected with a middle core, a threaded core is arranged on the outer side of the middle core, the threaded core is arranged in a split manner, and the upper ejection plate is connected with the lower ejection plate. Each split body is clamped with the middle core, the threaded core rotates along with the middle core, and when the middle core moves in the direction away from the cavity, one end, facing the cavity, of each split body of the threaded core inclines towards the middle core. By adopting the technical scheme, the split bodies of the threaded core are simultaneously driven to complete the composite action of rotation and radial inclined shrinkage through the rotation and backward pulling action of the middle core, the split bodies are rotated by an angle firstly, so that a mold core structure corresponding to an internal thread is loosened from the internal thread of a product, and the mold opening action is continued; and the inclined contraction action enables the thread part to be thoroughly separated, so that the demolding stroke is greatly shortened.

The invention discloses a cover opening and closing mechanism and sample pretreatment equipment, the cover opening and closing mechanism comprises a first cover opening assembly and a second cover opening assembly, the first cover opening assembly comprises a pressing unit and a cover opening unit, the pressing unit is used for limiting a container in a first direction, and the cover opening unit is used for opening the container in a second direction; the uncovering unit is used for being matched with the pressing unit to take down the first cover body on the container; and the second uncovering assembly is used for uncovering a second cover body on the container. The cover opening requirement of the container with the two layers of cover bodies can be met through the two stages of cover opening assemblies, the first cover opening assembly conducts cover opening after being pressed and limited, the second cover opening assembly can conduct cover opening action on the other layer of cover body on the container after the first cover opening assembly acts, and the cover opening requirement of the two layers of cover bodies on the single container is met.

A vacuum circuit breaker driven by lever sliding comprises a shell, a rotating main shaft and a vacuum arc-extinguishing chamber are arranged in the shell, the rotating main shaft drives the vacuum arc-extinguishing chamber to open and close through a driving structure, and the driving structure comprises a driving lever linked with the rotating main shaft. The driving lever is provided with a rotating center O, an input end A linked with the rotating main shaft and an output end B linked with the vacuum arc-extinguishing chamber, the rotating main shaft drives the input end A of the driving lever to rotate around the rotating center O through rotating action, the output end B is driven to move by utilizing a lever effect, and then the vacuum arc-extinguishing chamber is driven to realize closing and opening actions; and a force arm OA formed by the rotating center O and the input end A is longer than a force arm OB formed by the rotating center O and the output end B.

The utility model relates to the technical field of intelligent locks, and discloses an intelligent lock handle and an intelligent lock, the intelligent lock handle is suitable for driving the intelligent lock to open, and the intelligent lock handle comprises a holding rod for a user to hold a sliding door; the palmprint recognition sensor is embedded in the circumferential surface of the holding rod and is suitable for acquiring palmprint information of a user and generating control information according to a comparison result of the acquired palmprint information of the user and preset palmprint information; the controller is electrically connected with the palmprint recognition sensor and suitable for controlling the intelligent lock according to control information generated by the palmprint recognition sensor, a user can directly open a door after holding the holding rod with the hand to complete palmprint recognition, recognition action and door opening action are combined into a whole, and the whole door opening process is simplified.

The invention relates to the field of boxed medicine packaging lines, in particular to an automatic boxed medicine packaging line which comprises a conveying unit, a feeding unit is installed on one side of the conveying unit, a packaging box discharging mechanism is arranged at the upper end of the conveying unit, and a continuous conveying mechanism used for conveying packaging boxes is installed on the side face of the conveying unit. And a filling mechanism for filling the tablets into the packaging boxes is arranged at the lower end of the continuous conveying mechanism. According to the full-automatic packaging machine, grabbing, space transferring and posture keeping of packaging boxes are synchronously achieved through a driving motor, a planetary gear and belt transmission combination, the mechanical box opening action is integrated in the transferring path, the box opening procedure is seamlessly embedded into the continuous conveying process, the production takt is greatly shortened, and the overall packaging speed is increased.

The invention relates to the technical field of injection molding devices, and provides a mold opening pressurization hydraulic system and an injection molding machine, and the hydraulic system comprises a main oil cylinder, a pressurization oil cylinder, a first cartridge valve, a first reversing valve and a second reversing valve. Compared with the prior art, the hydraulic system has the advantages that the connection mode between the rod cavity and the rodless cavity of the main oil cylinder and the system oil port and the oil tank is switched through the first reversing valve, reciprocating motion of the piston rod of the main oil cylinder is achieved, and meanwhile the first cartridge valve and the second reversing valve are utilized; and when the main oil cylinder executes the mold opening action, the pressure cylinder is pressurized, so that the force applied to the mold by the main oil cylinder in the mold opening process is increased, and the deep-cavity mold can be smoothly opened.

The utility model relates to a plastic volute high stability injection moulding mould, including upper mould body and lower mould body, the upper mould body includes upper fixed plate, fixed mould plate, four guide post, the lower mould body includes lower fixed plate, two top plate, two mould foot, movable mould plate, ejection subassembly, the fixed mould plate is equipped with the cavity, is used for forming the molding rod of first round hole, the ejection subassembly is equipped with the lower fixed plate, and the molding rod of second round hole is equipped with the lower fixed plate. A cavity is formed in the fixed mold plate, the forming rod is inserted into the cavity, a mold core is arranged on the movable mold plate, a first sliding groove communicated with the cavity is formed in the fixed mold plate, two sliding blocks are connected in the first sliding groove in a sliding mode, two avoiding grooves are formed in the first sliding groove, two inclined guide columns are arranged on the upper fixing plate, and the inclined guide columns are connected with the sliding blocks in a sliding mode. Inclined holes matched with the inclined guide columns in an inserted mode are formed in the two sliding blocks. According to the utility model, the two sliding blocks can stably move away from the plastic volute when the mold is opened by utilizing the mold opening action of the mold, so that the inverted buckling structure of the two sliding blocks and the plastic volute is removed, and the plastic volute can be smoothly demolded.

The invention relates to an electric vehicle front face plastic shield injection mold multi-point sideslip forming structure which comprises an upper mold body and a lower mold body, the upper mold body comprises an upper fixing plate and a fixed mold plate, the lower mold body comprises a movable mold plate, and two first forming blocks are connected to the movable mold plate in a sliding mode; two second forming blocks, two power blocks and two third forming blocks are connected to the fixed mold plate in a sliding mode; the power block is provided with a first inclined groove and two second inclined grooves, and the two second forming blocks and the two third forming blocks are in sliding fit with the first inclined groove and the second inclined grooves correspondingly. Two fourth forming blocks are arranged on the first forming block, and fifth forming blocks are connected to the fourth forming blocks in a sliding mode. According to the invention, sectional type sideslip core-pulling demoulding of a plurality of forming blocks is realized by utilizing the mould opening action of the mould.

The invention belongs to the technical field of nuclear power, and particularly relates to a pressure self-driving type separation pressure relief device. The device is driven to be opened through unbalanced force caused by medium pressure to the valve rod assembly. The separation structure is arranged, and the bearing bush and the separator can complete the separation action when the required separation pulling force is applied; the protector is of an integrated structure, one end of the protector is designed to be a blind hole, the head of the protector is designed to be a weak area, zero leakage is kept in a closed state under the normal working condition, when medium pressure reaches starting pressure, the disengaging structure is disengaged, the valve rod breaks the protector in a pulling mode, and the opening action is completed. The whole action process does not depend on external energy, signals, manpower and other operations, has the characteristic of high reliability, and can be applied to numerous key parts needing to execute the pressure relief function.

The utility model is suitable for the technical field of quick-opening cups, and provides a side-pressing expansion silica gel quick-opening cup cover which comprises a first cover body, and a second cover body is movably connected with the first cover body. The buttons are movably installed on the two sides of the first cover body and matched with the second cover body in a buckled mode, and after the buttons and the second cover body are released, the first cover body and the second cover body move relatively; when the expansion sealing assembly, the button and the second cover body are buckled, the first cover body abuts against the supporting rods, the flexible sleeve driving piece is driven to move, the flexible sleeve is forced to be compressed and expanded relative to the second cover body and abut against the cup body for sealing, when the first cover body and the second cover body move relatively, abutting against the expansion sealing assembly is relieved, and the flexible sleeve recovers deformation under the elastic force effect and does not abut against the cup body. The utility model further provides a cup. The cover opening action is smooth, the lock catch is arranged, safety and reliability are achieved, and cleaning and sanitation dead angles are eliminated.

The utility model discloses a forming mold for a front door A-pillar joint angle of a vehicle door glass trough, and relates to the technical field of injection molds for automobile parts. Comprising a lower mold and an upper mold, the upper mold is movably arranged at the top of the lower mold, a floating plate is arranged at the top of the lower mold through a nitrogen spring, a first injection molding module and a second injection molding module located on one side of the first injection molding module are arranged at the top of the floating plate, and the first injection molding module and the second injection molding module form a first injection molding cavity. An oil cylinder action of an existing mold rising floating plate is canceled and replaced by a nitrogen spring, after injection molding is completed and equipment opens the mold, the floating plate rapidly rises under the action of the nitrogen spring, a complex oil cylinder mold opening action is simplified, the production efficiency is improved, the mold development cost is reduced, meanwhile, the customer requirements are met, and the product quality is improved. The top strip trough material is controlled by the fourth air cylinder to complete mold insertion, rapid assembly and disassembly are achieved, the labor intensity of workers is relieved to the maximum degree, and the machining efficiency is improved.

The application relates to a force-amplifying pneumatic clamping jaw, which comprises multiple unit air cylinders, a tail cover, an end cover, a driving rod, a first clamping jaw and a second clamping jaw, the cylinder body and the end cover of each unit air cylinder are provided with first air holes, the piston body of each unit air cylinder is provided with a second air hole; the end cover is provided with a third air hole, one end of the third air hole is communicated with a second air nozzle, and the other end is communicated with the rod cavity of the unit air cylinder closest to the end cover, the cylinder body of each unit air cylinder except the unit air cylinder closest to the end cover is provided with a fourth air hole, one end of the fourth air hole is communicated with the rod cavity of the unit air cylinder, and the other end is communicated with the atmosphere. The application rearranges the air inlet and outlet channels, only has a slight impact on the workpiece once when performing the clamping action, presents a stable clamping phenomenon, and has small vibration; meanwhile, the clamping force is rapidly increased from small; when performing the opening action, a stable opening phenomenon is presented, vibration and noise can be reduced.

The present disclosure provides a laundry treating apparatus capable of opening and closing an opening and closing cover with a small force. A laundry treating apparatus according to the present disclosure includes: a main body having a main body opening; an opening / closing cover for closing the main body opening in an openable / closable manner; a connecting part which connects the opening and closing cover to the main body and rotatably supports the opening and closing cover; and an engagement unit which is provided to the main body and which engages with the opening / closing cover to close the opening / closing cover, the engagement unit being provided with an engagement part which is provided to the main body and is configured so as to be rotatable, the opening / closing cover being provided with: a handle member; an engaged portion configured to be capable of engaging by a rotational operation of the engaging portion; and a pressing protrusion configured so as to be able to protrude toward the rear side of the opening / closing cover by the opening operation of the handle member.

The utility model discloses an injection mold adopting an ejector sleeve for ejection, which comprises a front mold, a rear mold, a rear mold plate and an annular product cavity enclosed by the front mold plate, the rear mold comprises an ejector sleeve component and an ejector plate component, and the ejector sleeve component comprises an outer-layer ejector sleeve, an ejector sleeve insert and an ejector sleeve sprue puller which are sequentially sleeved from outside to inside; when the ejector plate assembly moves in the mold opening and closing direction, the outer-layer ejector sleeve and the ejector sleeve sprue puller are driven to integrally move relative to the ejector sleeve insert in the mold opening and closing direction. According to the utility model, the product is ejected by adopting the ejector sleeve assembly, an insert line or an ejection trace on the product is formed on the end surface of the product, and the end surface of the product is an unimportant appearance surface of the product, so that the main appearance surface of the product is not influenced, and the rejection rate of the product is reduced; and the ejection action of the product is simple, the mold opening action of the mold is not increased, the mold structure stability is good, and the mold is particularly suitable for large-size multi-cavity molds with high structural stability requirements.

This application provides a method, an apparatus, and a system for controlling a mechanical finger, and a device. This application relates to the field of robot technologies and smart warehouse technologies. The method includes: obtaining a mechanical limit interval of the mechanical finger in response to a control instruction; determining a limit position within the mechanical limit interval and an avoidance angle corresponding to the limit position; determining, based on the limit position and the avoidance angle corresponding to the limit position, an opening / closing angle of the mechanical finger; and controlling, based on the opening / closing angle, a reduction motor to drive the mechanical finger to execute an opening action or a closing action.

The application discloses a plug used for cooperating with a socket assembly of a door contact switch to realize closing and opening actions, which comprises a fixed plate and two terminals fixed on the fixed plate and electrically connected with each other, and the connection lines at the ends of the two terminals are obliquely connected with the back surface of the fixed plate away from the terminals; and the application further discloses a door contact switch. In the application, the plug is used for the door contact switch, so that the terminal ends are always in contact with and separated from the working part at the same time, the differential wear of the working part and the occurrence of current arc are avoided, and the service life of the door contact switch is prolonged.

The utility model relates to a toy moving device. A shooting toy comprises the toy moving device. On the toy moving device, the driving mechanism drives the moving seat to move relative to the shell and is matched with the guide piece to slide along the guide track, linear motion of a single driving source is converted into rotating motion of the connecting arm, the problem that the manufacturing cost is increased due to a traditional multi-driving-source structure is solved, and therefore balance of function expansion and cost control is achieved. Secondly, through the sliding fit between the guide piece and the guide track on the shell and the rotary connection structure of the connecting arm on the movable seat, the shielding / opening action of the trigger piece and the displacement of the movable seat form linkage, the problem of space occupation caused by an additional transmission mechanism is solved, and therefore the composite motion function is achieved in the limited space; therefore, while the compactness of the product is ensured, the trigger piece can move relative to the shell along with the movable seat on one hand, and can be shielded / opened by the rotating connecting arm on the other hand.

The invention discloses a rapid and reliable reclosing switch, relates to the technical field of vacuum circuit breakers, and aims to solve the problems that an existing vacuum circuit breaker is mainly driven by an electromagnetic operating mechanism to complete closing and opening actions, but the premise of realizing stable closing and opening by the electromagnetic operating mechanism is stable and continuous output of current, and the operation is inconvenient. In order to form a stable magnetic field to maintain switching-on and switching-off actions and solve the technical problem that when current fluctuates, a switch is prone to tripping without permission, the switch comprises symmetrically arranged bases, a U-shaped shell and a frame-shaped connecting piece are detachably connected between the bases, and an insulating substrate is detachably installed at the top of the inner wall of the U-shaped shell. Opening and closing switch assemblies are detachably installed at the bottom of the insulating substrate at equal intervals, an opening and closing indication assembly is fixedly arranged on one side of the bottom of the insulating substrate, and an opening handle assembly is movably installed in one side of the U-shaped shell. The invention has the advantage of improving the stability and reliability of closing.

The application belongs to the technical field of hydraulic control systems of injection molding machines, and provides a hydraulic control unit, a servo control mold locking hydraulic system and an injection molding machine. The control unit comprises a high-frequency response servo valve, a one-way poppet valve, a two-way poppet valve and a controller. One end of the two-way poppet valve is connected to the rod cavity of a mold locking oil cylinder, and the other end is connected to a system oil tank. The controller is electrically connected to the high-frequency response servo valve, and is signal connected to a pressure sensor and a displacement sensor respectively. Compared with the prior art, the application integrates a high-frequency response servo valve, a one-way poppet valve, a two-way poppet valve and a closed-loop sensor controller to construct a high-precision hydraulic control unit, significantly improves the position repeatability and dynamic response speed of micro-opening actions, effectively meets the demand of advanced processes such as foaming injection molding and thin-wall molding for dynamic pressure adjustment of a mold cavity, and avoids problems such as uneven density of products, flash or mold damage.

This utility model provides a mold that utilizes the mold opening force of an injection molding machine to drive the ejection mechanism of the molded product. It relates to the field of mold technology and includes a movable side, a fixed side, an ejection mechanism, and a driving mechanism. The driving mechanism includes a pull plate, a rocker arm, a guide structure, and a rotating shaft. The pull plate is installed on the movable side, and the rocker arm is connected to the ejection mechanism via the rotating shaft. A guide pin guides the rocker arm. Both the pull plate and the rocker arm are equipped with hook structures. This design, by using a driving mechanism composed of a pull plate, rocker arm, guide structure, and rotating shaft, offers a simple and reliable structure with minimal installation space, reducing mold and injection molding costs. After the mold completes the ejection action, the rocker arm can disengage from the pull plate, allowing the movable side to continue performing larger mold opening actions, meeting the needs of a robotic arm to enter the mold and remove the product. The mold opening stroke is not affected by the mold thickness.

This application relates to the field of new energy vehicle charging equipment technology, and discloses a multifunctional mobile vehicle-mounted charging device, including a carrier vehicle. A battery pack and charging module are installed inside the vehicle's cargo compartment. A slide rail is fixedly connected to the top of the cargo compartment, and a support frame is slidably connected to the slide rail. An air extraction component is fixedly connected inside the support frame to extract air from inside the cargo compartment to the outside, thereby accelerating the ventilation efficiency between the inside and outside of the cargo compartment. The bottom end of the support frame facing the rear door of the cargo compartment is connected to the rear door of the cargo compartment via a connecting rod, and the top end is hinged to one end of a drive arm. By directly transmitting the opening action of the rear door of the cargo compartment to the support frame via the connecting rod, the support frame and the air extraction component are driven to slide out of the cargo compartment along the slide rail. This transforms the necessary action of opening the door into the driving force for the deployment of the cooling system and wiring components. The device is ready without additional operating steps, and the linkage process is stable and reliable.

According to the flip cover cup stand detection device and the flip cover cup stand detection equipment, the flip cover cup stand detection device accurately controls the buckling and opening actions of the flip cover through the driving assembly so as to simulate a human hand to open or buckle the flip cover, and the force in the two actions is measured through the force detection assembly, so that the detection accuracy is improved. And the detected buckling force and opening force are compared with preset buckling force and opening force, so that the quality of the elastic piece in the flip cup stand is detected. The device not only improves the detection efficiency, but also combines the elastic component onto the flip cup stand compared with the prior art in which the elasticity of the elastic component is detected independently, and ensures the accuracy of the detection result in the whole use process, thereby being of great significance for ensuring the product quality.

The utility model discloses a simple mold opening structure of a front mold oblique position, comprising: a fixed plate, a product is arranged below the fixed plate, an undercut position is arranged at the top of the product, a position seat is installed in the middle of the top of the fixed plate, a position is movably connected to the inner side of the position seat, and the position is obliquely arranged in the position seat, the bottom end of the position is snap-connected in the undercut position, the front end of the position is snap-connected with a curved buckle, a receiving groove is arranged at the top of the fixed plate, a through groove is arranged at the front end of the receiving groove, and a position is passed through the through groove; the receiving groove is used to accommodate the position seat, and the through groove is used to enable the position to pass through the through groove and be inserted into the undercut position. The simple mold opening structure of the front mold oblique position not only realizes that the mold opening action automatically drives the oblique position to be demoulded, but also can realize the demand that products with multiple buckles can be produced with a conventional mold size.

A medical and hygienic product storage device convenient to open and close comprises a box body and a box door hinged to the box body, a handle and a pull rod are arranged on the opening and closing side of the box door, a lock head assembly is arranged on the inner side of the box door, a lock body assembly is arranged at the corresponding position of the box body, and the box door and the box body are locked through coupling of the lock body assembly and the lock head assembly; when the box door is closed, locking can be completed through linkage kinetic energy of the locking block assembly, independent operation is not needed, meanwhile, when the box door is opened, unlocking can be completed only by synchronously pulling the pull rod along with the door opening action, a very convenient opening, closing and locking mode is provided, and the box door is suitable for the medical and hygienic product storage device, is convenient for medical staff to use and is suitable for popularization and application. And the medicine taking efficiency is improved.

The utility model discloses a medium-voltage circuit breaker handcart execution unit box with a locking mechanism, which is used on an electric execution mechanism of a medium-voltage circuit breaker handcart and comprises a box body, an execution mechanism and the locking mechanism. The box body is provided with a box door; the executing mechanism comprises a motor and a driving assembly, and the driving assembly is provided with a manual connecting part; the locking mechanism comprises a baffle assembly, a buckling block and a travel switch assembly. According to the utility model, the manual connection part is used for being connected with an external crank to realize manual operation, and the external hanging mechanism of the medium-voltage circuit breaker handcart can be ensured to be normally used in combination with electric driving realized by the motor; the baffle assembly is arranged and used for controlling the travel switch assembly to conduct electrical action and controlling the manual connecting part to conduct closing or opening action. Through the cooperation of the clamping groove and the clamping block, an execution mechanism for opening the box door for misoperation is prevented from violating five-prevention, and the use safety is improved.