174 results about "Gear transmission" patented technology

This invention provides a multi-station flexible rapid-change clamping device and method for aero-engine blades, comprising: a worm gear transmission device, a detachable positioning base, and a flexible clamping component; in the worm gear transmission device, a rotating handle drives a transmission worm to rotate, which simultaneously drives multiple transmission worm wheels to rotate, and simultaneously drives multiple flexible upper pressure plates to apply a flexible clamping force to the blade; the detachable positioning base is provided with positioning pins for placing and positioning the blade to be clamped; the detachable positioning base is connected to the base by bolts, enabling quick disassembly and replacement to adapt to the clamping requirements of different types of blades. The flexible clamping component provides support for the flexible upper pressure plates while allowing a certain degree of flexible deformation to accommodate differences in blades.

This utility model discloses a lifting mechanism for a four-way shuttle vehicle, belonging to the technical field of four-way shuttle vehicles. The lifting mechanism adopts a side-mounted layout, including a reversing motor, a reversing gearbox, and a reversing transmission assembly connected to it. Through a combination of shaft transmission, gear transmission, and eccentric wheel transmission, it drives the lifting frames on both sides of the vehicle body to rise and fall synchronously, thereby realizing the lifting and reversing actions of the X-direction traveling wheels. The reversing motor drives the first reversing bevel gear to rotate the main shaft, transmitting power through the reversing transmission gearbox and eccentric wheel structure. The lifting frames are slidably mounted on the vehicle body via guide rails and are equipped with guide columns and guide seats to improve operational stability. This lifting mechanism avoids the space occupied by the traditional centrally located drive shaft, effectively freeing up battery installation area and improving range. It also has advantages such as compact structure, high transmission efficiency, stable operation, and easy maintenance, making it suitable for various working conditions and possessing good versatility and application prospects.

This invention discloses a hybrid drive system based on a three-speed transmission, including a front axle power assembly, a three-speed hybrid transmission, a rear axle drive assembly, and an energy management system. The front axle power assembly includes a connected engine and a P1 motor. The input end of the three-speed hybrid transmission is connected to the P1 motor via a clutch, and the output end of the three-speed hybrid transmission is connected to the front wheels of the vehicle. The rear axle drive assembly is connected to the rear wheels of the vehicle and includes a P4 motor. This invention's three-speed hybrid drive system, with its dual-motor configuration, enables pure electric rear-wheel drive, series rear-wheel drive, parallel front-wheel drive, and four-wheel drive modes. It can enter parallel operation at 0 speed, and a traction mode is set to ensure that the engine and motor enter parallel operation at low speeds to increase wheel-side torque. By integrating the three-speed transmission with the P1 motor and setting the P4 motor to drive the rear wheels, fuel efficiency is improved while reducing the hybrid gearbox size, simplifying layout, and enhancing feasibility. This invention also discloses a vehicle and a control method for the three-speed hybrid drive system.

The application discloses a gear transmission structure capable of realizing large speed ratio and large torque in a small space, which comprises a box body, an end cover, a bearing seat, a driven bevel gear, a driving bevel gear, a planetary gear and a gear shaft. The bearing seat, the box body and an inner ring are sequentially connected, and the end cover is arranged at the end of the bearing seat and the inner ring away from the box body, so that a containing cavity is formed by the four parts. The driven bevel gear, the planetary gear and the gear shaft are all assembled in the containing cavity. The input end of the driving bevel gear is connected with a motor, and the output end of the driving bevel gear extends into the containing cavity and is engaged with the driven bevel gear. The driven bevel gear is engaged with a sun gear. The gear shaft is sleeved on the outside of the wheel shaft and is connected with a planetary carrier through a spline. The application utilizes the power split characteristics of the planetary mechanism and can meet the requirements of realizing large speed ratio and high torque in a small space. Meanwhile, the planetary carrier transmits the torque to the gear shaft, so that the axial size of the speed reducer can be effectively reduced.

The application belongs to the field of gear transmission system squeeze film damper damping, especially relates to a kind of gear squeeze film damper damping quick calculation method and system, obtains the structural parameter of squeeze film damper, carries out velocity calculation and constructs the Reynolds equation of squeeze film damper oil film pressure;Based on half-step center finite difference method, the Reynolds equation is solved, and the oil film distribution pressure of oil film damper is obtained;Based on oil film distribution pressure, the oil film counterforce of oil film damper is calculated using double integral algorithm.Compared with the classical short bearing approximate solution and long bearing approximate solution, its use range is wide, and compared with super relaxation iteration method, its calculation efficiency is high.Make it can be used in gear dynamics model to carry out damping analysis.When solving fluid Reynolds equation by finite difference method, only the working condition with regular boundary condition can be processed.Based on variational principle and Galerkin method, a new more general finite element method is proposed to calculate the oil film counterforce of SFD.

Three motor eight gear gearbox, including motor, transmission mechanism and output shaft which are connected in sequence, characterized in that: the number of motor is three, the transmission mechanism includes transmission assembly one which couples three motor power and has two gear shifting function, transmission assembly two which has four gear shifting function, transmission assembly one and transmission assembly two are parallel shaft structure which is driven by multiple intermediate shafts, transmission assembly one and transmission assembly two are aligned and connected along the axial direction, transmission assembly two is symmetrically distributed on the outer periphery of the output shaft and is engaged with the output shaft. The utility model forms four high speed gears and four low speed gears of gearbox, realizes gear position expansion of gearbox, promotes power flexibility of vehicle, improves transmission efficiency, improves gear switching efficiency, reduces gear shifting impact, makes gear shifting response efficiency higher when vehicle gets out of trouble, promotes working condition adaptability of vehicle, shortens the axial dimension of gearbox, improves the arrangement convenience of gearbox in the whole vehicle.

The present application relates to the technical field of tunnel construction, in particular to a tunnel shield support non-blasting excavation method and equipment, the excavation method comprises four steps of drilling and pumping, concrete solidification, excavation of the surrounding rock and waterproof treatment, the method forms a concrete closed-loop shield support system by drilling and pumping in advance, a stable closed-loop support structure is formed before the excavation of the surrounding rock, effectively preventing the large deformation of soft rock and the rock burst phenomenon caused by stress release in hard rock during tunnel excavation; the system anchor rod, concrete spraying construction and explosive blasting process in the traditional support system are cancelled, which is safe and reliable, and has high economic benefits. The excavation equipment shares a propulsion mechanism through the spiral drill module and the reverse circulation down-the-hole drill module, without the need for separate propulsion devices for the two drill bits, the feed is achieved by driving the arc-shaped limiting piece with a chain, and the limiting block, the worm and the ring worm gear transmission self-locking function are matched to ensure the positioning accuracy of the drill bit during drilling, and to reduce the complexity of the equipment structure and the purchase and maintenance cost.

This utility model relates to the field of steering gear lubrication technology, specifically a high-efficiency and energy-saving steering gear transmission device for ships. It includes a steering gear body, a transmission gear set inside the steering gear body, multiple temperature detection units for detecting the internal temperature of the steering gear body, a liquid cooling unit body installed on the outside of the steering gear body, and heat dissipation pipes arranged inside the steering gear body. Coolant absorbs heat from the internal side of the steering gear body through these pipes. This utility model uses liquid cooling, preventing moisture and dust from entering the steering gear body, thus avoiding the shortened service life of the transmission gear set due to moisture and dust. The lubricating oil is heated and stirred before addition to ensure optimal lubrication. A lubrication pump delivers the lubricating oil between the gears, reducing the friction coefficient and heat generation, thus solving the high-temperature problem at its source and protecting the gears, extending their service life.

The application discloses a bending forming device and a method thereof, the device comprising: a base, a back net positioning and clamping mechanism, at least two transverse support steel wire clamping mechanisms and a transverse support steel wire extension section bending mechanism; the method is suitable for the bending forming device, and a stepped height design is adopted to make the back net present an actual assembly inclined posture, so that precise alignment of the bending station is guaranteed. The back net is positioned through flexible compression at multiple points, and the arc-shaped groove cooperates with the parallelogram link and the inclined surface support to prevent scratch and stabilize the position. The steel wire is rigidly limited through the cross groove and the locking push column, so that the movement and swing during bending are eliminated. The bending mechanism controls the angle through motor gear transmission and mechanical limiting, and the arc-shaped bending block and the guide block avoid stress damage of the steel wire. Various bending structures can be formed flexibly by adjusting parameters, different assembly requirements are adapted, and the precision and adaptability are far higher than those of the traditional mode.

This utility model discloses a vibration damping structure for an engine front cover, including an outer shell. A vibration damping turbine is installed inside the outer shell, and the turbine is connected to the outer shell via vibration damping bolts. A sealing cover is installed on one side surface of the turbine, and a sealing front cover is detachably installed on the side surface of the sealing cover. A cooling impeller is installed between the vibration damping turbine and the outer shell. This utility model provides convenient sealing and assembly of the engine front cover components, using vibration damping bolts to connect and align the various cover shells. It offers advantages such as good sealing and a tight, stable connection, effectively preventing the shell from loosening due to significant engine vibration during operation. Simultaneously, the internal and external heat dissipation design of the shell allows for rapid heat dissipation from the engine, providing excellent cooling performance. The planetary gear transmission mechanism integrated into the end cover shell, combined with an eccentric wheel structure, effectively reduces vibration at the shaft end.

This invention discloses a method for tooth profile modification and modeling of a logarithmic spiral live gear transmission, belonging to the field of mechanical transmission technology. The method includes: modifying the tooth profile of the moving tooth tip using circular arc curves or higher-order polynomial curves to obtain a modified moving tooth profile; modifying the profiles of the long axis transition section and the short axis transition section of the cam using higher-order polynomial curves to obtain a modified cam theoretical profile; obtaining the modified internal gear profile based on the motion mapping relationship between the modified moving tooth and the cam; establishing a static balance model to analyze the influence of modification parameters on contact force under working conditions; and establishing a three-dimensional model of the logarithmic spiral live gear transmission. This invention can significantly improve meshing accuracy and transmission smoothness, improve tooth profile contact stress distribution, enhance load-bearing capacity and fatigue resistance, and also provide feasible parameter guidance for actual production.

This invention discloses a three-speed gear mechanism and its hub motor, including a motor shaft, an electric shifting mechanism, a three-planetary gear transmission assembly, and power input and output mechanisms. The power input mechanism includes an input sleeve and an input clutch mounted on the motor shaft. The three-planetary gear transmission assembly includes a rotating planetary carrier and multiple planetary gears on it, each including first, second, and third planetary gears with progressively increasing outer diameters. It also includes first, second, and third sun gears mounted on the motor shaft and meshing with them respectively. The first sun gear is connected to the input sleeve via the input clutch. The locking mechanism of the electric shifting mechanism has two positions for locking the second and third sun gears respectively. The power output mechanism includes an output clutch and an output housing. The input sleeve is connected to the rotating planetary carrier via the output clutch, and the rotating planetary carrier is fixed to the output housing. Compared with conventional technology, this invention has a more compact structure, smaller radial dimensions, and a larger speed ratio.

The application relates to the technical field of drilling machines, and discloses an adjusting arm machining oil pressure automatic feed drilling machine, which comprises a machine table, an adjusting arm placing seat and a drilling machine body are fixedly arranged on the top of the machine table, a hydraulic cylinder is fixedly arranged at the bottom of the drilling machine body, a hydraulic telescopic rod is slidably arranged in the hydraulic cylinder, the bottom end of the hydraulic telescopic rod is located outside the hydraulic cylinder, a feed drilling mechanism is arranged at the bottom end of the hydraulic telescopic rod, and the feed drilling mechanism comprises a motor, a fixed box, a plurality of vertical shafts, a plurality of drill bits, a gear transmission assembly and a plurality of belt transmission assemblies. The application has the following advantages and effects: the adjusting arm can be subjected to multi-hole simultaneous drilling operation; compared with a traditional single-shaft drilling machine, the adjusting arm can be simultaneously machined at multiple hole positions, the single-piece machining time is greatly shortened, the adjusting arm is especially suitable for batch production scenes, the unit time yield is significantly improved, and the work efficiency is improved.

This invention relates to the field of electrode foil rinsing technology and discloses an electrode foil surface rinsing device, comprising: a rinsing tank, a gate-shaped bracket fixed at the top center of the rinsing tank, gearboxes fixed on the outer walls of both sides of the gate-shaped bracket, swing arms rotatably mounted on both sides of the outer walls of the gearboxes, a support roller fixed between the swing arms, connecting frames fixed on both sides of the outer walls of the support rollers, and a rinsing pipe fixed between the connecting frames. The rinsing pipe is arranged in two layers, and a rinsing head is provided on the side of the rinsing pipe facing the electrode foil. The present invention features an integrated follow-up structure of the support roller and the rinsing pipe, which, in conjunction with synchronous gear transmission and precise drive of a servo motor, enables the rinsing head to follow the up-and-down movement of the electrode foil in real time, synchronously, and adaptively, always maintaining the optimal, uniform, and stable rinsing distance and eliminating rinsing defects caused by distance changes.

This invention provides a marine-mounted, servo-driven exhaust drag-reducing chimney, designed to effectively reduce exhaust back pressure of the ship's main engine and improve energy efficiency. The chimney features an integrated design, structurally connecting the exhaust and intake ducts, with an integrated electric motor and gear transmission mechanism forming its core drive unit. During operation, the system receives and processes environmental data from wind speed and direction sensors in real time. A signal processing unit then issues commands to drive the electric motor, controlling the synchronous rotation of the exhaust and intake ducts to dynamically adjust the direction of the air inlet, ensuring it is always aligned with the incoming airflow. This invention utilizes the Venturi effect to generate auxiliary suction, guiding air to flow in at high speed from the small-diameter intake vent and exit from the large-diameter exhaust vent, creating low pressure at the exhaust outlet and generating suction. This reduces exhaust drag, decreases engine fuel consumption, and improves the ship's operational efficiency.

The application discloses a variable locking worm and gear mechanism and belongs to the technical field of worm and gear transmission. In view of the inherent defects of the fixed reverse transmission state (either self-locking or non-self-locking) of the traditional worm and gear, the application first proposes the concept of "dynamic variable locking", breaking the contradiction between efficiency and safety. The mechanism realizes the intelligent switching between the "high-efficiency transmission (non-locking)" and "safety locking" states through one or more combinations of the high and low friction coefficient meshing area, the positioning spring, the rotary damper, the end face ratchet pair, the electric control board and the damping motor and other components integrated on the worm. The application integrates the transmission, clutch and brake functions in one, has compact structure, fast response and high reliability, and is particularly suitable for the occasions requiring dynamic safety locking, such as elevators, roller coasters and mine machinery.

The application discloses a drive-by-wire road feeling simulator integrated with an angle sensor, which comprises a motor, an angle integrated unit, a PCBA board and a cover. The angle integrated unit comprises a pre-tightening elastic sheet, a driving magnetic wheel and a driven magnetic wheel. The driving magnetic wheel is installed at the tail end of a motor shaft, and the front end of the motor shaft is connected with a steering wheel through a steering shaft. The driving magnetic wheel drives the driven magnetic wheel through gear transmission. The PCBA board comprises a first RPS chip and a second RPS chip. The first RPS chip is used for measuring the angle position of the driving magnetic wheel, and the second RPS chip is used for measuring the angle position of the driven magnetic wheel. The application highly integrates the angle sensor with the road feeling simulator, provides a corresponding torque for road feeling simulation, and simultaneously obtains an accurate steering wheel angle.

The pure electric truck two-gear transmission box comprises multiple motors, a coupling assembly for coupling power of the multiple motors, a transmission assembly with two-gear transmission function and in parallel shaft structure and an output shaft, characterized in that: the coupling assembly and the transmission assembly are coaxially connected through a planetary reduction assembly one, the transmission assembly and the output shaft are coaxially connected through a planetary reduction assembly two, and the coupling assembly, the planetary reduction assembly one, the transmission assembly, the planetary reduction assembly two and the output shaft are sequentially connected in transmission. The transmission route is improved in transmission stability at the input end and the output end of the transmission assembly, the output torque is improved, the transmission stability is ensured, the uniformity of the transmission load distribution is ensured, the reliability and stability of long-time transmission are ensured, the transmission efficiency is effectively improved, the power transmission route with higher transmission stability, higher transmission efficiency and larger output torque is formed.

This invention proposes an intelligent mechanical stepless speed regulation device for oilfield equipment that operates without shutdown, belonging to the field of petrochemical extraction, manufacturing, and deep processing. It solves the problems of low working efficiency, gear differences, and abrupt speed changes between gears in existing mechanical manual multi-gear transmissions. Its drive motor drives the input shaft, which is connected to a primary speed-increasing mechanism. After speed increase and torque reduction, the power is transmitted to the drive wheel shaft. The drive wheel shaft drives the drive cone wheel to rotate. Both the drive and driven cone wheels are covered with a steel belt. The drive cone wheel drives the steel belt, thus transmitting power to the driven cone wheel. The driven cone wheel drives the driven wheel shaft, which is connected to a secondary speed regulation mechanism. After speed adjustment by the secondary mechanism, the power is transmitted to the output shaft. This invention uses chain or belt drive instead of multiple gear pairs, achieving different speed ratios by changing the contact radius between the drive and driven cone wheels and the chain or belt.

1. The name of the design product: harvester hydraulic walking gearbox. 2. The use of the design product: used for engine output power, gear transmission to drive high-power hydraulic pump and harvester crushing system, the output pressure of the hydraulic pump is used to drive the hydraulic motor, so as to achieve the purpose of hydrostatic walking. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

This utility model relates to the field of gear reducers, specifically to a gear reducer with a noise reduction structure, including a gearbox and vibration damping pads attached to the lower perimeter of the gearbox for cushioning. This gear reducer with a noise reduction structure, through the arrangement of the gearbox, vibration damping pads, sound-absorbing layer, upper gear cover, bolts, a first elastic ring, a nut, a sound-absorbing layer, a screw, and a second elastic ring, effectively reduces vibrations generated during operation by the vibration damping pads attached to the lower perimeter of the gearbox. Simultaneously, the gearbox and upper gear cover are fixed together by the first and second elastic rings fitted onto the bolts and screw, further enhancing the overall cushioning. Furthermore, the sound-absorbing layer inside the gearbox and the sound-absorbing layer inside the upper gear cover effectively reduce the noise generated during gear transmission, thereby improving the overall noise reduction effect.

This invention provides a surveying drone and surveying method for reducing surveying errors, relating to the field of surveying drone technology. The invention includes wing direction adjustment mechanisms on both sides of the drone body for connecting and adjusting the wing direction. A drive mechanism on the drone body drives the wing direction adjustment mechanisms to adjust the wing direction. A flight mechanism on the mounting plate propels the drone in flight for surveying activities. A lifting mechanism on the drone body is used to lift and lower the surveying instrument and clean dust from it. Through the coordinated operation of the wing direction adjustment mechanism and the drive mechanism, this invention allows for flexible adjustment of the wing direction, enabling the drone to achieve slow high-altitude flight and in-flight parking, improving flight stability and ensuring low-error surveying. The drive mechanism, through a combination of gear transmission, threaded transmission, and ball joint connection, ensures smooth wing adjustment, avoiding flight instability caused by adjustment jams or deviations.

This utility model discloses a hub motor transmission mechanism for increasing braking torque, including a main shaft, a motor assembly, a gear transmission device, and a braking mechanism. The motor assembly is located in the middle of the main shaft, with the gear transmission device and braking mechanism respectively located on both sides of the motor assembly. The motor assembly includes a stator winding and an outer rotor cylinder. The stator winding is located outside the main shaft, and the outer rotor cylinder is located outside the stator winding. The stator winding drives the outer rotor cylinder to rotate around the main shaft. The two ends of the outer rotor cylinder are respectively encapsulated with a drive end cover and a locking end cover. The drive end cover is connected to the gear transmission device. The outer side of the gear transmission device is connected to the hub housing. The outer rotor cylinder drives the hub housing to rotate around the main shaft through the gear transmission device. Sealing end covers are located on both sides of the hub housing, and the main shaft is rotatably and sealingly connected to the sealing end covers. The locking end cover is opposite to the braking mechanism, and the braking mechanism can perform axial extension and retraction relative to the locking end cover. This hub motor can increase driving torque and also has a vehicle locking function.

The embodiment of the application provides a charging port cover with a self-locking function, comprising a charging port cover plate, a driving motor, a motor mounting bracket, a connecting rod transmission assembly and a gear transmission assembly; the gear transmission assembly is used for precise transmission, and the precise opening and closing of the charging port cover plate is realized through the connecting rod transmission assembly, so that the transmission efficiency and precision are improved while the structure is simple and reliable; the self-locking of the charging port cover plate is realized through the self-locking function of the driving motor, a locking mechanism does not need to be additionally arranged, the number of parts is reduced, the assembly process is simplified, and the process rhythm is shortened; the charging port cover plate is made of carbon fiber material, the product weight is further reduced, and energy is saved for new energy electric vehicles and unmanned aerial vehicles.

This utility model discloses an air purification and circulation device for an elevator car, belonging to the field of air purification technology. It includes a purification box with an air inlet on one side and an air outlet on the other side. A first air inlet pipe is fixedly connected inside the air inlet, and a first air outlet pipe is fixedly connected inside the air outlet. A fan is fixedly connected to one end of the first air outlet pipe. This utility model utilizes a worm gear transmission structure, where the worm meshes with two worm gears. By employing transmission synchronization, the two worm gears rotate at the same speed, enabling a single drive assembly to synchronously control two sets of cleaning mechanisms. This reduces the need for drive motors, lowers costs, and reduces energy consumption. The worm gears are coaxially fixed with a threaded rod, converting the rotation of the worm gears into the rotation of the threaded rod, providing a stable driving force for the bidirectional scraper. This simultaneously cleans impurities from the surface of the interceptor and activated carbon filter, effectively reducing internal air resistance and ensuring air circulation and purification efficiency.

The present application relates to a kind of mine dump truck wheel hub drive unit conceptual design method, to establish the technical system of the positive design of large tonnage mine dump truck wheel hub drive unit, including from the selection of structural form, the determination of transmission route, overall structure design and transmission system parameter optimization and component strength check and life calculation.Optimal scheme in feasible transmission route is explored according to accurate multi-working condition load spectrum, vehicle operation requirement, boundary condition of wheel hub drive, relevant component structure coupling requirement etc.;In the selected gear transmission route, according to the space arrangement of wheel hub drive, and the advantages and disadvantages of transmission form, determine to adopt transmission schematic diagram;According to the assembly condition of planetary row, adjacency condition, coincidence degree, concentricity condition and other constraint requirements, optimize the gear parameters with light mass and balanced load capacity under the premise of meeting the use strength.The complete design process of large tonnage mine dump truck wheel hub drive unit conceptual scheme is realized.

This invention relates to the field of power metering equipment technology, specifically an energy metering box, which includes a mounting box and a mounting back plate disposed on the inner wall of the mounting box. The mounting back plate has a mounting groove on its end face. A current transformer and a mounting base disposed at the end of the current transformer are also included. The mounting base contains an adjusting component and a locking component. The locking component cooperates with a moving block disposed inside the mounting block and is driven by the adjusting component. The moving block fixes the mounting base on the mounting back plate. An adapter clamp driven by a bidirectional screw allows for flexible adaptation to mounting base plates of different widths of current transformers, eliminating the need for customized boxes or accessories and effectively expanding the applicable scenarios of the metering box. A locking mechanism using bevel gear reversal and worm gear transmission enables convenient locking and unlocking of the installation position, avoiding locking failure and current transformer displacement caused by equipment vibration, accidental contact, or personnel, significantly improving the long-term operational stability of the equipment.

A dual-motor, side-mounted, multi-speed transmission system is provided to improve operational efficiency. The system includes a first motor drive unit; a second motor drive unit; a power transmission and shifting unit, comprising a third parallel shaft connected to three power transmission gears with different numbers of teeth, and a fourth parallel shaft connected to three power transmission gears with different numbers of teeth; an intermediate shaft shifting unit, comprising a hollow intermediate shaft, two shift gears with different numbers of teeth, and a third engagement sleeve for selectively transmitting power from the two shift gears with different numbers of teeth to the intermediate shaft; a reduction planetary gear set for receiving power from the intermediate shaft; and a differential for receiving power from the reduction planetary gear set and transmitting it to the first and second wheel rims via the first and second half-shafts, respectively. The first, second, and third engagement sleeves cooperate to form 16 driving modes to adapt to different road conditions and improve overall operational efficiency.

The application discloses a self-locking and modular electric clamp jaw, and fills up the blank of the electric clamp jaw. In the compact clamp jaw shell space and without the brake, the worm and gear transmission pair is used to realize the clamp jaw mechanical self-locking and the relatively large speed reduction ratio. Meanwhile, the output shaft of the motor is adjusted to the parallel and coaxial position with the worm shaft through the multiple spur gears and bevel gears transmission pair. Most of the driving structure parts of the electric clamp jaw are wrapped in the clamp jaw shell. The modular design of the application has two types of clamp jaw heads, one is the parallel two-finger type, and the other is the three-finger rotating type. The clamp jaw head can be quickly replaced by only disassembling and assembling the screws.