108 results about "Balance wheel" patented technology

The utility model provides a kind of windproof iron wedge of flexible transmission, including rack;Driving mechanism is set on rack;Transmission mechanism, including balance wheel, fixed pulley set and transmission arm, balance wheel is rotatably set on rack, fixed pulley set is set on rack and is located the below of balance wheel, transmission arm one end is connected with balance wheel, other end is connected with the output end of driving mechanism;Wedge, by multiple connecting ropes be connected in the below of rack, the middle portion of connecting rope is passed through fixed pulley set, and its end portion is wound and fixed on balance wheel;Wherein, balance wheel includes at least two take-up radius different take-up part, when driving mechanism drives balance wheel to rotate by transmission arm, drive the connecting rope wound on different take-up part and carry out different amount take-up, to make wedge produce inclination change in lifting process.The utility model uses flexible transmission structure to replace traditional rigid link transmission, can significantly improve the reliability of windproof brake.

The utility model discloses a bridge crane ascending limit heavy punch which comprises two shackles, the two shackles are symmetrically arranged, the shackles are respectively clamped and wound on a hoisting main steel wire rope on two sides of a hoisting mechanism balance wheel, each shackle comprises a transverse pin and a U-shaped bent ring, the U-shaped bent ring is horizontally arranged, and the transverse pin is connected with the U-shaped bent ring. Pin holes allowing the transverse pin to penetrate through are formed in the open ends of the outer sides of the two U-shaped bent rings respectively, the inner sides of the U-shaped bent rings are in threaded connection with the transverse pin, the U-shaped bent rings are fixed through the connecting transverse plate, a semicircular lifting lug is arranged at the center balance position of the top of the connecting transverse plate, and the opening direction of the semicircular lifting lug is perpendicular to the plane of the connecting transverse plate. By means of the double-shackle symmetrical structure design, the problem that a traditional limiting heavy hammer rotates and winds due to single-point hoop fixing is fundamentally solved, the two U-shaped bent rings and the interceptable connecting transverse plate are rigidly welded to form a balance system, and the heavy hammer is kept in a zero-rotation state when a lifting steel wire rope rotates.

The utility model belongs to carton conveying technical field, concretely relates to a kind of carton conveying device that can automatically branch, including base and the feed channel being set on base, the balance wheel conveying mechanism is arranged on base;Further include: adjusting mechanism, the adjusting mechanism is set below feed channel;Detection probe, the detection probe is set on adjusting mechanism, angle conversion is carried out by adjusting mechanism to drive detection probe, the carton conveying device that can automatically branch, through the adjusting mechanism below feed channel, drive detection probe to adjust angle flexibly, the position and posture before carton enters feed channel are monitored in real time, through the balance wheel conveying mechanism on base, both can realize the conventional transport of carton, and carton can be completed plane rotation by different direction conveying force.

This invention relates to a watch movement including a generator. The electromechanical watch movement (2) includes pointer-type time display devices (25, 26) and is provided with: at least one electromechanical motor for driving at least one indicator of the pointer-type time display; and a generator (20) including a rotor (20A) and associated with a balance wheel (22) coaxial with the time display device. The watch movement includes a first wheel (40) provided with a shaft (36) coaxial with the indicator, which in a primary embodiment is guided to rotate by a fixed cylindrical tube (30). At least one gear shaft (26) of the time display device is rotatably mounted around the fixed cylindrical tube (30). The first wheel (40) meshes with the rotor of the generator and is fixedly connected to the balance wheel on a side opposite the pointer-type time display, such that the balance wheel can rotate the rotor of the generator via the first wheel.

The utility model relates to a linear sliding mechanism of cloth spreading wheel blade of cloth spreading machine, and belong to cloth spreading machine equipment technical field, the utility model discloses cloth spreading wheel axle, cloth spreading wheel fixed ring, cloth spreading wheel coupling wheel, cloth spreading wheel cam, claw wheel, balance wheel, cloth spreading wheel aluminium pipe and multiple sets of cloth spreading wheel blade, and the inside circle of cloth spreading wheel axle can do the circumferential motion around cloth spreading wheel axle, and the end of cloth spreading wheel axle has cloth spreading wheel coupling wheel and cloth spreading wheel cam, and there is claw wheel on cloth spreading wheel coupling wheel, and cloth spreading wheel coupling wheel is arranged the cloth spreading wheel cam axially, and the outside circle of cloth spreading wheel fixed ring is covered with cloth spreading wheel aluminium pipe and can drive fixed ring to rotate around cloth spreading wheel axle, and there are several sets of cloth spreading wheel blade on the outer circumferential surface of cloth spreading wheel aluminium pipe, and the cloth spreading wheel blade is strip -shaped and sets up axially along cloth spreading wheel aluminium pipe, and there is balance wheel on cloth spreading wheel cam, and the connecting structure that the cloth spreading wheel blade is connected with linear sliding is made. The utility model has the advantages of reasonable structure, stable and reliable, realizes cloth spreading long -time operation stability, convenient operation, satisfies the use demand.

To provide a balance with a hairspring that can maintain high accuracy, a watch, and a method for manufacturing a balance with a hairspring.SOLUTION: A balance with a hairspring comprises: a balance staff 410 that is rotatably supported on a bottom board; a collet 440 that is fixed to the balance staff 410; a balance spring 70 that is fixed to the collet 440, and has the Grossmann curve arranged on the side of the collet 440 and the Archimedes curve connected with the Grossmann curve; and a shock resistant member 500 that prevents displacement of the shape of the Grossmann curve at least on the side of the collet 440.SELECTED DRAWING: Figure 5

The invention discloses a balance wheel stabilizing structure and a three-way forklift, and relates to the field of three-way forklifts.The balance wheel stabilizing structure comprises a frame, a brake assembly, a wheel carrier, a connecting shaft, a balance wheel, a compression spring and a limiting assembly; the brake assembly is arranged on the side face of the frame and comprises an electromagnetic valve, a hydraulic oil cylinder connected with the electromagnetic valve and a piston rod arranged in the hydraulic oil cylinder. An upper cavity and a lower cavity of the hydraulic oil cylinder are communicated with a hydraulic source through the electromagnetic valve, the piston rod extends out of the hydraulic oil cylinder to be connected with the wheel carrier, the balance wheel is movably connected to the connecting shaft, the wheel carrier is connected with the connecting shaft, the pressure spring is arranged between the hydraulic oil cylinder and the piston rod, and the limiting assembly is connected between the frame and the piston rod to limit the stroke of the piston rod. The electromagnetic valve switches the locking state and the floating state of the balance wheel by opening and closing an oil way of the hydraulic oil cylinder, so that the single balance wheel structure can meet the two requirements of high-stability operation and high-adaptability running at the same time.

A method for manufacturing an oscillator for a timepiece made from a balance and a balance spring, the method including measuring the average moment of inertia of a batch of balances; providing pinned up balance springs, the balance springs having an excess number of coils forming up to three more turns than the final number of coils; making a first predetermined external cut of the balance springs over a length of one to two coils, then measuring the torque of the balance springs and sorting them according to the value of the measured torque; assembling the balance springs, whose measured torque corresponds to the balances, are assembled to form an oscillator with an intermediate frequency and to determine the length to be cut to achieve the desired oscillation frequency; making a second external cut of the balance springs selected to achieve both the desired oscillation frequency and a target value.

1, a fan drives wind wheel blades to form a labor-saving lever structure, power is input into a clockwork spring energy storage bin, constant-speed torque increasing is achieved, and primary torque amplification and mechanical potential energy accumulation are completed; 2, the outer ring of the clockwork spring energy storage bin forms a high-magnification labor-saving lever depending on the maximum force arm at the outer edge, and is meshed and linked with a pinion through an outer ring gear, so that the limitation of increasing and reducing the torque of a conventional gear is broken, and the output torque and the rotating speed are synchronously amplified; 3, power is transmitted to a balance wheel assembly through a crankshaft, the output rotating speed and power of the whole machine are calibrated and stabilized by means of the inertia of a balance wheel, and power fluctuation is eradicated; and 4, by regulating and controlling the rotating speed of the wind wheel and accurately matching the running speed of the gear of the energy storage bin, controllable adjustment of the output rotating speed and torsion is achieved, rated working parameters of the generator are fitted, and continuous and stable power generation is guaranteed. The whole set of system depends on the multi-level lever mechanics principle and is combined with an original force increasing structure for stress of the outer edge of a spring bin, torque superposition and amplification are completed step by step, the gain effect of mechanical force is converted into stable energy output gain, and mechanical energy storage power generation logic with a controllable closed loop and a constant working condition is formed.

The application relates to the technical field of conveying components, and discloses a wrinkle-removing over roller and a use method thereof. The wrinkle-removing over roller comprises a support and an over roller. The support comprises two oppositely arranged mounting plates, and the over roller is rotationally connected to the opposite sides of the two mounting plates at two ends. The over roller is provided with a wrinkle-removing part at two ends. The wrinkle-removing part comprises a plurality of mounting seats which are uniformly distributed around the axial direction of the over roller and are inserted into the outer periphery of the over roller. The end of each mounting seat is rotationally connected with a wrinkle-removing balance wheel, and the outer periphery of the wrinkle-removing balance wheel is protruded from the outer periphery of the over roller. The mounting plate is provided with a driving assembly corresponding to the wrinkle-removing part. The driving assembly is drivingly connected with the mounting seats of the wrinkle-removing part, and is used for driving the mounting seats to rotate around the axial direction. The application has the effect that the over roller can conveniently remove wrinkles of a coiled material.

The invention discloses a tourbillon structure of a mechanical watch with counterweight compensation, and relates to the technical field of mechanical watch application, the tourbillon structure comprises a frame plate, a first direction shaft, an outer tourbillon, a second direction shaft, an inner tourbillon, an escapement mechanism and a transmission system, the outer tourbillon is rotatably connected with the frame plate through the first direction shaft, and the outer tourbillon is rotatably connected with the frame plate through the second direction shaft; the outer tourbillon is rotatably connected with the inner tourbillon through a first direction shaft, the axis of the outer tourbillon is perpendicular to the first direction shaft, the inner tourbillon is rotatably connected with the outer tourbillon through a second direction shaft, the escapement mechanism is arranged on the inner tourbillon, and the escapement mechanism comprises an escapement wheel, an escapement fork and a hairspring balance wheel. And in combination with an inertia fine adjustment mechanism on the balance wheel, collaborative optimization is performed from two levels of frame dynamic balance and speed regulation period, so that the problem of uneven mass distribution easily caused by a complex structure of the double-shaft tourbillon is effectively solved, and frictional resistance and unnecessary energy loss of the rotating frame are remarkably reduced.

The utility model discloses a three-dimensional tension balance wheel set structure of a cable stranding machine, which comprises a mounting plate and two tension wheels, the two tension wheels are arranged on the outer side of the mounting plate, and mounting bolts are in threaded connection with the positions, close to the four ends, of the side wall of the mounting plate. According to the utility model, through the cooperation of the tension wheel, the rotating rod, the fixing sleeve, the mounting ring, the damping spring, the pressing plate and the like, the function of quickly and conveniently mounting the tension wheel is realized, and the mounting mode of the balance wheel set in the prior art is improved, so that when the tension wheel is mounted, time and energy are saved, and the mounting speed of the tension wheel is improved; and meanwhile, the balance wheel set can perform self-adaptive tension degree adjustment on the cable, and when the cable shakes, the tension wheel can move along with the shaking of the cable, so that the cable is prevented from falling off from the balance wheel set, the normal use of the cable stranding machine is ensured, and the work progress of cable stranding is improved.

1. Name of the designed product: anti-oscillating wheel (quick installation test) 2. Use of the designed product: pulley for sliding door and window 3. Design points of the designed product: shape 4. Picture or photo best indicating the design points: front view

A mechanical timepiece includes a spring, a balance, an oscillation circuit, a speed governing mechanism configured to include a permanent magnet and a coil, one of the permanent magnet and the coil being held by the balance, an external magnetic field detection mechanism configured to detect an external magnetic field, a vibration detection mechanism configured to detect vibration of the balance and output a vibration detection signal, a speed governing control mechanism configured to output a drive pulse to perform processing for governing the balance, a power storage mechanism configured to store electric energy, and a generator configured to generate the electric energy. The speed governing control mechanism changes a processing content of the speed governing of the balance in accordance with a detection result of the external magnetic field.

A regulating member for a horological movement including an inertial mass, for example a balance, a balance spring, and an index-assembly system for adjusting the rate of the balance spring, the index-assembly system including a stud-holder including a first portion and a second portion, the first portion being movable relative to the second portion, wherein the regulating member includes locking device configured to block the second portion of the stud-holder in one position with respect to a plate of the movement.

Disclosed is a method for adjusting an adjustment system (100) comprising:-an oscillator (2), in particular a balance (21)-hairspring (22) oscillator, comprising an inertial element (21) and a return spring (22) pivoting about a pivot axis, and-an escapement (3), in particular a double-pulse escapement, in particular a Swiss fork tile escapement (3), in order to facilitate and / or balance the restart of the adjustment system, the adjustment method comprises:-a step of adjusting the guide marking setting, in particular to a non-zero value, and / or-a step of adjusting the input depth of the pallet pin (31) in the escapement wheel (32), and / or-a step of adjusting the output depth of the pallet pin in the escapement wheel.

An organ comprises a rotating element (22) and a magnetic device for rotationally guiding the rotating element, the magnetic device being arranged to exert a radial magnetic biasing force on the rotating element when a central axis (26) of the rotating element undergoes a radial displacement with respect to a given rotation axis (28). The magnetic device comprises a pair of annular magnets, a first annular magnet (32) of the pair of annular magnets being carried by the rotating element and a second annular magnet (34) being carried by a structure of the organ. When the central axis of the rotating element coincides with the rotation axis, the second annular magnet is parallel and axially superposed to the first annular magnet, the first and second annular magnets being in a magnetic attraction arrangement so as to exert a first axial magnetic force on each other and a first radial magnetic force substantially as soon as the central axis of the rotating element is radially displaced from the rotation axis. In particular, the organ is a timepiece movement and the rotating element is a balance.

An oscillator (2), particularly a balance wheel (21) / main spring (22) oscillator, includes an inertial element (21) and a return spring (22) that rotate around a pivot axis, Escapement (3), especially dual impulse escapement, especially Swiss lever escapement (3), A method for adjusting a speed control system (100), including, The adjustment method is to facilitate and / or balance the restart of the speed control system. Steps to adjust the beat setting, in particular to a non-zero value, and / or A step of adjusting the degree to which the anchor assembly (31) is inserted into the escape wheel (32), and / or A step to adjust the degree to which the anchor assembly is inserted into the escape wheel. including, Adjustment method.

The utility model discloses an end unit external expansion type balance wheel sorting machine. The balance wheel sorting machine comprises a base and a plurality of swing conveying modules. The plurality of swinging conveying modules are arranged in sequence; the swing conveying module comprises a swing power assembly and two balance wheel queues. Each balance wheel queue comprises a plurality of balance wheel units which are arranged in sequence; according to the balance wheel sorting machine, the distances between the balance wheel units located at the two ends and the other balance wheel units in the balance wheel queue are increased, so that the balance wheel units located at the two ends are closer to the edge of the balance wheel sorting machine, and the possibility that goods are stuck in the balance wheel sorting machine is effectively reduced; meanwhile, by adjusting the distances between the balance wheel units located at the two ends and the other balance wheel units, under the condition that the sizes of the balance wheel units are not changed and the distances between most of the balance wheel units are not changed, the distances between the end balance wheel units in the balance wheel sorting machines of different sizes and the edges of the balance wheel sorting machines are not changed; and therefore, the design of the balance wheel sorting machines with different sizes is more convenient, and the size requirement of a conveying line on an express sorting site is met.

To provide a balance wheel with optimized characteristics. [Solution] The balance wheel 1 includes a hub 2 connected to a ferro 3 by an arm 4, wherein the ferro is made of an electrically insulating material having a relative permeability of less than 1.01 and a density exceeding 6.5.

The utility model discloses a high-speed balance wheel sorting unit, which belongs to the technical field of balance wheel sorting and comprises a sorting table, a balance wheel and a balance wheel rotating shaft arranged at the bottom of the balance wheel, and a lifting component is arranged between the balance wheel rotating shaft and the balance wheel. A mounting groove is formed in the top surface of the sorting table, and the balance wheel is movably arranged in the mounting groove; the lifting assembly comprises a disc installed in the installation groove, a reset piece movably arranged in the middle of the disc and an adjusting piece arranged on the outer side of the reset piece, and the reset piece comprises a movable column installed at the top end of the balance wheel rotating shaft, a movable ring movably connected to the outer side of the movable column and a compression spring arranged at the bottom of the movable ring. A connecting frame is arranged between the top of the movable column and the fixed frame; the top end of the balance wheel rotating shaft is fixedly connected with the bottom of the reset piece. A fixing frame is installed at the top of the reset piece, and the balance wheel is movably connected to the inner side of the fixing frame. By means of the sorting assembly, the flexible objects are prevented from staying on the sorting table in the sorting process.

The application belongs to the technical field of outer wall spraying, and discloses a universal position-adjustable intelligent spraying machine for building outer wall; the machine table body is provided with a boom at the top end, a supporting rod is fixedly connected to the bottom of the machine table body, and a balance wheel is rotatably connected to the bottom of the supporting rod. The device is provided with a shovel plate, which can move close to the wall surface when the bottom plate moves back and forth with the supporting plate. The shovel plate can shovel off the attachments on the wall surface when moving, and the hoop on one side of the supporting plate can drive the rotating rod and the gear to rotate while moving, and drive the beating plate to rotate together, so that the beating plate vibrates when hitting the transmission rod, and the vibration is transmitted to the shovel plate, so that the shovel plate has additional vibration effect, which is more conducive to shoveling off the attachments on the wall surface. Since the beating plate is made of rubber, it can be moved away from the transmission rod, which is conducive to the next beating process.

The double-balance-wheel sorting machine comprises a rack assembly, a double-balance-wheel assembly, a driving system, a multi-mode detection unit and a control module, the first balance wheel assembly and the second balance wheel assembly are driven by independent servo motors respectively, the sorting distance is shortened to 120 mm through time-sharing control logic alternate actions, and the multi-mode detection unit and the control module are connected with the first balance wheel assembly and the second balance wheel assembly. The adaptive production line speed is 1-3 m / s, and the sorting efficiency reaches 3200 cans / min and is improved by 77.8% compared with that of traditional equipment; the multi-modal detection unit integrates a laser distance measuring sensor (detecting tank height deviation + / -0.3 mm), a near-infrared spectrometer (identifying liquid residue precision is greater than or equal to 95%) and a high-speed industrial camera (capturing surface defects at 1000 fps), multi-dimensional accurate judgment is realized in combination with a defect identification algorithm, and the error removal rate is less than 0.1%.

The application relates to a modular balance wheel unit of a balance wheel type sorting device, which comprises a supporting base, a conveying roller for conveying articles, a transmission roller for driving the conveying roller to rotate, and a power mechanism, the conveying roller is rotatably installed on the supporting base, the transmission roller is rotatably installed on the supporting base and is parallel to the transmission roller, the transmission roller is located at the lower end of the conveying roller, the roller surface of the transmission roller is in close contact with the roller surface of the conveying roller and frictionally drives the conveying roller, and the power mechanism is installed on the supporting base and drives the transmission roller to rotate. The modular balance wheel unit of the application can bear a large weight of articles, effectively avoids the motor overload fault alarm caused by the heavy articles, drives the conveying roller through friction transmission, has a simple and reliable structure, high transmission efficiency, is more stable, smooth, quiet and easy to maintain during operation, and is low in cost.

The invention discloses an anti-falling intelligent blind guiding stick based on ultrasonic waves, and belongs to the technical field of assistive devices for the disabled, the anti-falling intelligent blind guiding stick comprises a grip, a controller is mounted on the inner side of the grip, a GPS module is mounted on the outer surface of the controller, and a WiFi module is mounted below the GPS module. According to the anti-falling intelligent blind guiding stick based on the ultrasonic waves, the balance wheel serves as an execution component of the balance function module and works in linkage with the driving unit and the control algorithm, when a falling detection algorithm judges that a user has an unbalance risk or the blind guiding stick inclines, the balance wheel generates reverse torque by adjusting the rotating speed and the direction, and the blind guiding stick is rapidly adjusted to be in an upright state; the design of the balance wheel needs to consider both flexibility and stability, it is ensured that the balance wheel can effectively play a balance role on different road surfaces such as a flat road surface and a slightly bumpy road surface, the limitation of passive supporting of a traditional blind guiding stick is changed, active falling prevention is achieved through adjustment of a real-time dynamic balance module, a user is prevented from falling down due to falling of the walking stick, and travel safety is improved.

The utility model provides a railway vehicle door balance wheel gap detection tool, which is provided with a handle, the front end head of the handle is hinged with a right measuring plate which extends forwards and can swing left and right, the vertical height of the right measuring plate is 4mm, the right measuring plate is divided into a front stage and a rear stage with different thicknesses, the thickness of the front stage of the right measuring plate is 1mm, and the thickness of the rear stage of the right measuring plate is 3mm; a middle connecting rod which extends leftwards and can swing back and forth is hinged to the front portion of the handle, a left measuring plate which extends forwards and can swing left and right is hinged to a left end shaft of the middle connecting rod, the vertical height of the left measuring plate is 16 mm, and the thickness of the left measuring plate is 3 mm. When the vehicle door balance wheel gap detection tool is used for detecting the vehicle door balance wheel gap, the working efficiency is high, reading is not needed, whether the gap size is qualified or not can be judged only by rotating and swinging the left measuring plate and the right measuring plate to corresponding angles and then inserting the left measuring plate and the right measuring plate into the corresponding detection gaps, and the detection tool is convenient for implementing measurement operation in a narrow working space and is convenient to use. Usage is convenient and flexible.

A driving device includes a conveyer roller, a solenoid, a lever including a boss, a first gear, a pendulum gear, and a frame including a supporting shaft. The lever is engageable with the solenoid and is movable between a first position and a second position. The pendulum gear is movable in conjunction with movement of the lever between a third position, at which the pendulum gear meshes with the first gear, and a fourth position, at which the pendulum gear is disengaged from the first gear. The supporting shaft is inserted in the boss of the lever. The supporting shaft includes a first contact portion and a second contact portion contacting the boss of the lever, and a separated portion spaced from an inner circumferential surface of the boss and located between the first contact portion and the second contact portion.

The present invention provides an adjustment system equipped with a mechanical vibrator stop device that stops the vibrator at a predetermined angular position and quickly and accurately resumes operation. [Solution] An adjustment system, wherein the stop device 150 comprises a retaining member 151 fixed to the balance wheel 121, the retaining member 151 is configured to engage with a stop pawl 155 rotatably attached to one end of a stop lever 152, the stop lever 152 is movable between a non-operating position that allows free vibration of the mechanical oscillator 120 and an operating position where the stop pawl 155 is on the track of the retaining member 151, the stop pawl 155 is configured such that when the stop lever 152 is in the operating position, the retaining member 151 moves in the rotational directions S1, S2 of the current half-oscillation of the balance wheel 121 when the stop device 150 is operated and locks the rotation of the balance wheel 121 in the reverse rotational direction S2, S1 of the next half-oscillation, the stop pawl 155 forms a stop for the movement of the retaining member 151.

The invention relates to the field of material conveying, in particular to a double-layer closed guide rail supporting sealing type material conveying system, a step rail supporting base is fixed to the ground, and a sealing main frame body is installed on the step rail supporting base. The double-layer closed guide rail supporting assembly is installed on the upper side and the lower side of the sealing main frame body, the sealing shafting driving unit assembly and the sealing sliding rail supporting driven tensioning assembly, and whole-circle movement track supporting is formed. The anti-tipping sealing elastic chain link assembly is arranged between the upper guide rail and the lower guide rail, and split V-shaped wheels of the anti-tipping sealing elastic chain link assembly are supported by the variable-rigidity V-shaped guide rails. The single balance wheel triggering opening and closing clamp is installed on an installation plate on the outer side of the chain link assembly, and opening and closing of the clamping jaw are controlled through a single triggering mechanism. The system adopts the full-sealing design, dust invasion and accumulation are effectively prevented, the system can adapt to chain tensioning changes and vibration impact, the split V-shaped wheel structure can cope with rail dust accumulation and abrasion, and the system is suitable for high-cleanliness and high-stability material conveying scenes such as food and medicine.

Disclosed in the present invention are a construction ground leveling machine and a use method therefor. The construction ground leveling machine comprises a frame (1) provided with balance wheels (2) on two sides, a base (4) on the frame (1) that is rotatable relative to the frame (1) in a vertical direction, and a leveling mechanism on the base (4) that is movable in the direction of length of the base (4) and carries out levelling on mortar ground. A levelling mechanism for keeping the base (4) horizontal is provided on the lower side of the base (4); and a lifting mechanism for automatically adjusting a leveling height is provided on the leveling mechanism. The present invention can adjust the angle of the base under the leveling mechanism to allow the base to always be in a horizontal state, facilitating leveling work.