32379 results about "Drive shaft" patented technology

The present invention relates to a coal mine intelligent directional drill and its drilling method, belonging to the technical field of coal mine drills. It comprises a moving platform, machine frame, clamper, main manipulator, power head, drill pipe storage system, control system, and hydraulic system. The power head structure is improved by adding an angle adjuster with accurate angle adjustment, locking, and anti-rotation functions. The angle adjuster is positioned on the gearbox side opposite the main motor, connected via a driving shaft. The control system includes a toolface azimuth detection and initialization system that works with the angle adjuster. This solves prior issues such as the absence of specialized toolface azimuth adjustment devices, low precision, low track adjustment efficiency, and challenges in achieving automatic directional drilling in the prior art. The invention enhances precision and efficiency, enabling automated, intelligent directional drilling.

Aspects of the present technology relate to compressible and expandable pumps. In one aspect, a pump is provided including a pump housing that is expandable and compressible and a rotor that is expandable and compressible and disposed in the pump housing. The rotor includes at least one rotor blade, a hub, and an axis of rotation. At least a portion of the at least one rotor blade extends from the hub along a first axis that is offset a predetermined distance from a radial axis of the rotor that traverses the axis of rotation. The pump further includes a drive shaft having a proximal end and a distal end, wherein the hub of the rotor is mounted to the distal end of the drive shaft and the drive shaft is rotated to rotate the rotor.

This invention relates to a reamer assembly (6) for enlarging a substantially horizontal pilot hole (14) in the ground to produce a bore hole (18), including a cutter (21) which is rotatable about an axis X-X. A gear box (20) is positioned on a first side of the cutter (21) for interacting with a drive shaft (33) which is rotated about the axis X-X by a drive apparatus (2) outside the pilot bore hole (14) and a body (15) positioned on a second side of the cutter (21) for transferring thrust from a thrust apparatus (4) outside of the enlarged bore hole (18) to the cutter (21).

The invention relates to the technical field of testing, in particular to electric connector joint testing equipment which comprises a testing table and a digital display control panel, a mounting cavity and a testing cavity are formed in the testing table, and two clamping structures are arranged in the testing cavity. A second electric telescopic rod capable of driving one of the clamping structures to move in the test cavity is arranged in the test table, and an eccentric connecting rod driving mechanism capable of driving the other clamping structure to move in the test cavity in a reciprocating manner is arranged in the mounting cavity; the eccentric connecting rod driving mechanism can simulate the plugging action of an electric connector joint through the transmission of a rotating motor, a speed reducer, a turntable, a connecting rod and a driving shaft; the pressure sensor monitors the plugging force in real time, the vibration motor simulates the vibration working condition, the performance of the electric connector joint in actual use can be tested more comprehensively, the deviation adjusting structure can adjust the position of the driving head end of the driving shaft, tests in different deviation states are simulated, and the accuracy and authenticity of the tests are further improved.

This invention relates to a drill string (32) for use with micro tunnelling apparatus (1) having a cutter (21) at a distal end of the drill string (32) and external drive mechanism (2) at a proximal end of the drill string (32). The drill string (32) being formed by a plurality of connected string segments (13), each string segment (13) with a drive shaft (33) aligned along the central axis for rotation there about and an elongate casing (34) that houses the drive shaft (33). The front end of one string segment (13) is adapted to connect with the back end of another string segment (13) to form the drill string (32) by way of a latch connection, the latch connection being adjustable so as to vary the tolerance between said front end of one string segment (13) and said back end of another string segment (13) while connected.

Provided is an electric heavy-load push-pull tool including a power input unit, a power conversion unit and a power output unit. Through the transmission design of multiple stages of reducers and a planetary roller screw of a downhole operation tool, low-speed and high-torque power output of the motor is realized. The heavy-load push-pull tool provided by the present disclosure can not only provide large-torque thrust force, but also provide large-torque pulling force. A forward direction of a transmission nut is based on a rotation direction of a motor. By controlling the forward rotation or reverse rotation of a transmission shaft of the motor, the forward or backward movement of an operation tool can be realized at low cost through power transmission.

The invention discloses a steel structure butt welding adjusting device and method, and relates to the technical field of steel structure welding, the steel structure butt welding adjusting device comprises a welding table, fixing seats are symmetrically and fixedly connected to the upper end face of the welding table, steel pipe bodies are placed above the fixing seats, and the steel pipe butt welding adjusting device further comprises a steel pipe alignment detection mechanism and a welding path pretreatment mechanism; the steel pipe alignment detection mechanism comprises symmetrically-arranged circular rings, annular grooves are formed in the two sides of each circular ring, supporting frames are arranged on the two sides of each circular ring, the supporting frames are fixedly connected to the upper end face of the welding table, the circular rings are rotationally connected between the two supporting frames through the annular grooves, and annular racks are fixedly connected to the outer surfaces of the circular rings. The annular racks are in meshed connection with transmission gears, and a driving shaft is fixedly connected between the two transmission gears in a penetrating mode, so that the alignment condition can be rapidly detected after the steel pipe body is placed, a worker can rapidly conduct adjustment according to the detection result, the time for manual repeated inspection and adjustment is shortened, and the steel pipe body adjusting efficiency is improved.

The invention discloses a cup lid stacking machine. The cup lid stacking machine comprises support feet, a base, a motor, a drive shaft, a limiting mechanism A, a cup taking mechanism, a rotary platform assembly A, a limiting mechanism B and a rotary platform assembly B. The support feet are arranged on four feet of the base. The motor is arranged on the base. One end of the drive shaft is connected to the motor. The limiting mechanism A and the limiting mechanism B are arranged on the base in parallel. The cup taking mechanism is arranged between the limiting mechanism A and the limiting mechanism B. The cup taking mechanism is connected to the drive shaft. The rotary platform assembly A and the rotary platform assembly B are arranged on the base. By the adoption of the cup lid stacking machine, the automatic multi-layer stacking of cup lids can be achieved, traditional manual stacking is replaced, and the machining efficiency of the cup lids is improved.

The invention relates to the technical field of grinding equipment, in particular to flame-retardant cable protection pipe production and processing equipment and method.The flame-retardant cable protection pipe production and processing equipment comprises a support, a guide rod is fixedly assembled on the upper surface of the support, a sliding frame is slidably connected to the outer circumferential face of the guide rod, and a transmission shaft is rotatably connected into the sliding frame; a driving motor is fixedly assembled on the surface of the sliding frame, the output end of the driving motor is fixedly connected with a transmission shaft, a mounting ring is fixedly assembled on the outer circumferential surface of the transmission shaft, a grinding head is detachably mounted on the outer circumferential surface of the mounting ring, and a servo motor is fixedly assembled on the upper surface of the support; a lead screw is fixedly assembled at the output end of the servo motor. According to the device, the purging structure is arranged, when the inner wall of the flame-retardant cable protection pipe is polished, air exhausted by the spraying pipe can drive chippings to move, the chippings are discharged out of the protection pipe in time, and therefore the follow-up polishing effect of the polishing head on the protection pipe is guaranteed.

The invention relates to a calibration method of a vehicle transmission assembly, in particular to a transmission shaft calibration rack and a transmission shaft torque test method in the whole vehicle operation process, and aims to solve the problem that an existing transmission calibration method cannot meet the torque test requirements of a whole vehicle under various complex operation conditions. The output torque strength of the transmission shaft cannot be accurately obtained, and the problems of whole vehicle NVH and strength are difficult to solve. The method comprises the following steps: 1) installing a transmission shaft to be calibrated; (2) torque is loaded to the driving motor and the load motor; 3) calibrating to obtain ri and ui; 4) obtaining a single calibration process ri-alpha i-Si corresponding relation; 5) obtaining a three-dimensional calibration data set; 6) obtaining a plurality of three-dimensional calibration data sets, and sorting to obtain a four-dimensional calibration data set; (7) the calibrated transmission shaft is assembled to the vehicle; and 8) calculating the output torque Tx of the transmission shaft at any moment. According to the method, forward and reverse torque loading is performed by using the driving motor and the load motor, and the calibration precision is high.

The invention discloses a massage machine core, which comprises a first mounting frame and a second mounting frame, the lower side of the second mounting frame can be connected to the first mounting frame in a front-back swinging manner, and a kneading driving mechanism and a knocking driving mechanism which are used for driving the two massage mechanisms to implement massage actions are mounted on the second mounting frame; the air bag part is mounted between the first mounting frame and the second mounting frame; wherein the two massage mechanisms are spaced at a set distance in the left-right direction, so that a transmission assembly configuration area is formed between the two massage mechanisms; wherein the kneading driving mechanism comprises kneading driving shaft supports which are arranged on the left side and the right side and span the transmission assembly configuration area, and the knocking driving mechanism comprises knocking transmission assemblies which are arranged on the upper side and the lower side and are located in the transmission assembly configuration area. The kneading driving shaft support and the knocking transmission assembly are arranged in the transmission assembly configuration area in a staggered mode and do not interfere with each other. Compared with the prior art, the massage machine core is compact in overall structure.

The invention relates to the field of mechanical fatigue simulation, and discloses a method for simulating and deducing the number of torsion cycles. Comprising the steps that a component three-dimensional parameterized model is constructed, and material fatigue characteristics are defined; applying a periodic torsion load spectrum containing a harmonic component; adopting a stress influence coefficient matrix method to execute quasi-static finite element analysis, and extracting a multi-axis stress state; calculating the maximum alternating shear stress and the average shear stress based on a critical plane recognition technology; converting into a single-axis equivalent stress amplitude through a gradient enhanced multi-axis correction rule; calculating node fatigue damage by combining an S-N curve and a damage accumulation theory; and when the damage reaches a threshold value, outputting a failure cycle number and a position. The innovation points are as follows: the prediction error is controlled within 10% by a critical plane and multi-axis correction technology; a stress matrix method realizes ten thousand times of cycle-level efficient simulation, and the efficiency is improved by 10 times; the risk early warning accuracy rate is improved to 96% by integrating a process correlation defect model; and the research and development period is shortened by 40% through a life cloud picture and an automatic optimization closed loop. The method is suitable for transmission shaft system reliability design.

The utility model belongs to the technical field of concrete stirring equipment, and discloses a concrete stirring and mixing device with an automatic additive adding function, which comprises a rack and a stirring assembly arranged on the rack, the stirring assembly comprises a material storage barrel arranged on the rack; one end of the driving shaft is rotationally connected with the storage barrel, and the free end of the driving shaft penetrates through the top of the storage barrel; the crushing blade is arranged in the storage barrel, and the crushing blade is coaxially and fixedly connected with the driving shaft; the output end of the driving motor is fixedly connected with the driving shaft; according to the scheme, the driving motor drives the driving shaft and the crushing blades to rotate in the material storage barrel, and the shearing force generated by the blades of the crushing blades is utilized to crush and scatter agglomerated dry powder additives, so that the situation that a part of areas are not coagulated for a long time or the overall strength deviation is too large due to uneven dispersion of the retarders agglomerated with damp is avoided; the utility model solves the problem that the concrete additive is affected with damp and agglomerated.

A blood pump includes an impeller; a drive shaft coupled to the impeller and configured to rotate with the impeller; and a rotor coupled to the drive shaft and configured to rotate with the drive shaft. The rotor includes a driven magnet having an outer surface. A corrosion-resistant coating may be disposed on the outer surface of the driven magnet. A stator is disposed adjacent the rotor and configured to drive the rotor, causing the rotor to rotate; and a motor is configured to drive the stator. A protection assembly may be disposed adjacent the stator and configured to receive an end of the drive shaft, and may include a protection assembly housing enclosing a protective fluid chamber, the protective fluid chamber including the driven magnet and at least a portion of a bearing configured to engage the end of the drive shaft.

The invention discloses an antifouling self-cleaning line column type porcelain insulator and a detection method thereof, and relates to the field of insulators, a connecting bin is provided with a positioning rotating member, two ends of a movable sleeve block are provided with one-way drawing units connected with a piston rod, and a gas storage bin is provided with a rotating exhaust member. By arranging a position adjusting rotating part, a rotating exhaust part and a one-way pulling unit, when wind blows a fan blade plate, a reversing bevel gear can drive a transmission shaft to rotate clockwise so as to enable a reciprocating lead screw to rotate clockwise, and when a transmission gear ring rotates anticlockwise, the reversing bevel gear drives the transmission shaft to rotate clockwise so as to enable the reciprocating lead screw to rotate anticlockwise so as to enable the reciprocating lead screw to rotate anticlockwise. Therefore, when the second pawl rotates, the reciprocating screw rod rotates clockwise all the time, one-way rotation of the reciprocating screw rod can be achieved, then the rotating exhaust part and the one-way pulling unit are matched, the surface of the insulator body can be cleaned through airflow, and the self-cleaning effect is achieved.

The invention provides a multifunctional cycle power generation system and method by a gravity lever. The system comprises a supporting rack and a balance weight arranged on the supporting rack and slidably matched with the supporting rack, wherein engines are arranged on one side or two sides of the balance weight; the input shaft of each engine is connected to a transmission shaft; two or more single-directional clutches are fixedly connected to the middle of the transmission shaft; the locking directions of the single-directional clutches are same, gears are fixed to the peripheries of thesingle-directional clutches, and a rack matched with each gear to drive the transmission shaft to rotate is arranged next to each single-directional clutch; at least one pair of racks is arranged on the upper part and the lower part, separately, the racks and the balance weight which reciprocates are in driving movement and the balance weight is arranged on the supporting rack to swing through a lifting mechanism in a reciprocating manner. As the balance weight which swings in the reciprocating manner pulls the racks to drive the transmission shaft to rotate in the single direction, multiple engines can be driven synchronously to generate electricity synchronously, and the power needed by a supporting rack lifting device is alleviated greatly by means of a swing mode like to a lever, so that the energy sources are saved and the power generation efficiency is improved greatly.

The invention discloses a measuring instrument for measuring the roundness of an inner ring and an outer ring of an automobile hub bearing, and particularly relates to the field of bearing roundness measurement, the measuring instrument comprises a working table, a rotating disc is arranged on the upper surface of the middle of the working table, an adsorption cavity is embedded in the surface of the middle of the working table, and air holes are formed in the surface of the rotating disc; a driving gear is fixedly connected to the outer wall of the middle of the driving shaft, a blade fan shaft is arranged on one side of the inner wall of the adsorption cavity through a bearing, a blade fan gear is fixedly connected to the outer wall of the middle of the blade fan shaft, a spiral blade fan is fixedly connected to the outer wall of the top of the blade fan shaft, and a measurement supporting assembly is arranged on one side of the rotating disc. An auxiliary adjusting assembly is arranged on the side, away from the measurement supporting assembly, of the rotating disc. According to the device, the spiral blade fan can be automatically driven to rotate through the rotation of the rotating disc, so that the workpiece is adsorbed, no mechanical clamping trace exists, the hub bearing workpiece is fixed through the assistance of adsorption force, and the detection stability is improved.

The invention discloses a double-closed-loop cooperative control method of a direct-drive electric chassis and a power system, relates to the technical field of power control of electric special vehicles, and provides a rotating speed and torque double-closed-loop cooperative control architecture, and realizes double-core real-time cooperative operation and dynamic optimization of motor output characteristics through a 32-bit processor. A direct-drive transmission structure is combined, a traditional speed reduction device is omitted, a flat wire motor directly drives a rear axle through a transmission shaft, and a four-in-one controller is matched, so that the system loss is reduced by 33%, and the power density is improved by 15%; on the basis of real-time temperature / electric quantity data of a lithium iron phosphate battery management system, control parameters are adaptively adjusted, and the bottleneck of performance attenuation in a low-temperature environment of-35 DEG C is broken through; and a high-voltage interlocking and insulation monitoring module is integrated, and an emergency hydraulic system is automatically switched when an electrical fault occurs, so that multi-stage safety guarantee is formed. According to the technology, the energy recovery efficiency is remarkably improved by 20%, and the wind resistance stability and the extreme environment reliability are effectively enhanced.

An edge trimming tool assembly (1) is disclosed configured to cut vegetation around edge formations (50). The assembly (1) comprises a drive shaft (3) and a trimming tool (5) configured to be rotated around a rotation axis (ax) by the drive shaft (3) such that a radially outer portion (5) of the trimming tool (5) orbits in a circular path (c). The assembly (1) comprises a guard (7) comprising a first guard portion (11) covering a portion of an area (A) formed inside the circular path (c) as seen in a first direction (d1) parallel to the rotation axis (ax) and a second guard portion (12) covering a portion of the area (A) as seen in a second direction (d2) parallel to the rotation axis (ax), wherein the second direction (d2) is opposite to the first direction (d1). The present disclosure further relates to a power tool (2) comprising an edge trimming tool assembly (1).

A device for switching and actuating multiple functions of a charging and / or filler-neck compartment system having a charging and / or filler-neck compartment and a cover which is movable relative to the charging and / or filler-neck compartment. The device has a drive element with a drive shaft, wherein the drive shaft is operatively connected to the cover such that, when the drive shaft rotates, the cover is movable relative to the charging and / or filler-neck compartment. The device furthermore has a mechanical control or switching mechanism, in particular in the form of or with a gearing mechanism, wherein the mechanical control or switching mechanism is designed such that, when the drive shaft rotates, a rotational movement of the drive shaft can be picked off by the mechanical control or switching mechanism for the purposes of manipulating at least one functional component of the charging and / or filler-neck compartment system as required.

The utility model discloses a fishing rod with a line arranged inside, which comprises a rod body, a mounting rack, an adjusting knob and a rocking handle, and the rod body is provided with a mounting groove; a transmission shaft is rotationally connected to the mounting frame in the axial direction of the rod body, a force unloading piece is arranged at one end of the transmission shaft, a winding reel sleeves a main body of the transmission shaft, one end of the winding reel abuts against the force unloading piece, a rotating shaft is rotationally connected to the mounting frame in the radial direction of the rod body, and the rotating shaft is in transmission connection with the transmission shaft and used for driving the transmission shaft to rotate; the adjusting knob is in threaded connection with the tail part of the mounting frame and is propped against the winding reel; the rocking handle is arranged in the mounting groove and comprises a driving arm, a handheld part and a supporting frame, one end of the driving arm is in driving connection with the rotating shaft, the other end of the driving arm is rotationally connected with the handheld part, the driving arm is close to the supporting frame, and the supporting frame is movably connected to the mounting frame so that the driving arm can be exposed or hidden in the mounting groove. According to the technical scheme, the stability and effectiveness of force unloading of the fishing rod with the inner line are enhanced, and the portability of the fishing rod with the inner line is improved.

An actuator assembly of an actuation system for a closure member of a vehicle is provided. The actuator assembly includes an actuator housing including a sensor housing. The actuator assembly also includes an electric motor disposed in the actuator housing and configured to rotate a driven shaft operably coupled to an extensible member that is coupled to one of a body or the closure member for opening or closing the closure member. The actuator assembly also includes an actuator controller disposed in the sensor housing of the actuator housing and coupled to electric motor and an accelerometer configured to sense movement of the closure member. The actuator controller is configured to detect the movement of the closure member using the accelerometer. The actuator controller then controls the opening or closing of the closure member based on the movement of the closure member using the electric motor.

The invention belongs to the technical field of glass processing, particularly relates to an intelligent suspension conveying system and method for an explosion-proof glass production line, and aims to solve the problems that an anti-falling mechanism is not triggered in time due to the fact that a falling symptom cannot be effectively recognized, and a traditional anti-falling mechanism has adaptive defects and generates potential safety hazards. Two fixing plates are arranged on the system support, and driving shafts are arranged on the two fixing plates. And the two driving motors are arranged on the two fixing plates correspondingly. The intelligent suspension conveying system and method for the explosion-proof glass production line have the effect of improving the suspension conveying safety, the device can recognize and monitor falling signs during operation, the anti-falling mechanism is triggered in advance when the signs appear, and therefore the situation that the device is not triggered in time when falling occurs is avoided, potential safety hazards are reduced, and the safety of the device is improved. And meanwhile, the anti-falling mechanism makes up for the adaptive defect of glass materials, and potential safety hazards are further reduced.

An electronic device that relates to the technical field of display screens is provided. The electronic device includes a first display screen, a second display screen, and a hinge mechanism. The hinge mechanism includes a support piece and two rotating components disposed in parallel along an axis. Each of the rotating components includes a drive shaft, a drive gear, and two locking components. The drive gear is fixedly disposed on a central area of the drive shaft. The first display screen is fixedly connected to the drive shaft of one of the rotating components, and the second display screen is fixedly connected to the drive shaft of the other rotating component. Each of two ends of the drive shaft is connected to the support piece by using one of the locking components.

The invention provides an omni-directional following type reversing support which comprises a supporting assembly, an adjusting assembly and a protection assembly, the supporting assembly is composed of a stand column, a transmission shaft is arranged on the side wall of the top of the stand column, the surface of the transmission shaft is movably sleeved with a sleeve, a linkage mechanism is arranged in the top end of the stand column, and the adjusting assembly is composed of a transverse plate and a photovoltaic plate. The bottom of the photovoltaic panel is connected with the transverse plate through a rotating frame, the rotating shaft is rotationally connected with the interior of the annular plate, the protection assembly is composed of a fixing base, a gear ring is arranged in the fixing base, and one end of the supporting plate is fixedly connected with a connecting gear. The angle of the photovoltaic panel is adjusted in a double-shaft adjusting mode, the omni-directional following function is achieved to improve the light conversion efficiency as much as possible, transmission with the adjacent reversing supports is achieved, synchronous control over the angles of the supports in the same row is achieved through connection of the sleeves, and synchronous control over the multiple supports is achieved; the driving mechanism can be used for driving the supporting plate to rotate and supporting the two sides of the photovoltaic panel, and the use strength of the reversing support is improved.

The present disclosure relates to a folding mechanism, including: a supporting beam; a rotating shaft assembly, including a plurality of rotating shafts extended along a length direction of the supporting beam, wherein the plurality of rotating shafts include a positioning shaft and transmission shafts distributed on both sides of the positioning shaft, and the positioning shaft is disposed on the supporting beam; a transmission assembly sequentially coupling individual rotating shafts in series along a distribution direction of the rotating shafts, wherein any rotating shaft is rotatable around an adjacent rotating shaft; and two bearing frames coupled to both sides of the transmission assembly, wherein the two bearing frames are rotatable around the positioning shaft between a first form, an unfolded form and a second form under transmission of the rotating shaft assembly and the transmission assembly.

The invention provides a double-screw pump helical casing molded line forming and milling device, which relates to the field of helical casing processing, and comprises a base, a driving screw, a fixed bracket and a movable table, a threaded cylinder is installed on the bottom side in the moving table, the driving screw is further in engaged connection with the threaded cylinder through threads, two sets of machining material driving shafts are rotationally clamped to the moving table, and supporting structures are further arranged on the lower sides of the foremost ends of the parts, with the large diameters, of the two sets of machining material driving shafts. Lifting structures are further arranged at the front ends of the small-diameter parts of the two sets of machining material driving shafts, the fixing support is fixed to the base, a double-end driving motor is installed at the rear end of the top of the fixing support, and two sets of milling cutter driving shafts are rotationally clamped to the inner side of the upper end of the fixing support; and the rear end of the milling cutter driving shaft is in transmission connection with a motor shaft at the rear end of the double-head driving motor. Two sets of spiral raw materials can be machined at the same time, the manufacturing cost is low, and the problems that an existing machining machine tool is high in investment and low in machining efficiency are solved.

An electric tool includes: a housing assembly including a housing body and an operation portion integrally connected with the housing body; a driving mechanism connected to the housing assembly and including a motor and a transmission shaft connected to and driven by the motor; and a control module arranged within the housing assembly and comprising a controller and a sensing element that is electrically connected to the controller. The motor is electrically connected to the controller. The sensing element is arranged at an inner side of the operation portion. The sensing element is to detect a user operation on the operation portion and output a signal to the controller, and the controller is to control the motor in response to the signal output by the sensing element.

The wind power generation equipment with the heat dissipation mechanism comprises a shell, a base is fixedly connected to the bottom of the inner wall of the shell, a power generator is fixedly connected to the top of the base, a round rod is fixedly connected to a driving shaft of the power generator, and a speed increasing box is fixedly connected to the end, away from the power generator, of the round rod; a wind wheel shaft is fixedly connected to the side, away from the round rod, of the speed increasing box, a hub is fixedly connected to the end, away from the speed increasing box, of the wind wheel shaft, blades are fixedly connected to the hub, a cooling device is fixedly connected to the top of the inner wall of the shell, air cooling devices are fixedly connected to the two sides of the inner wall of the shell, and rectangular holes are formed in the two sides of the shell. According to the wind power generation equipment with the heat dissipation mechanism, when a power generator works to generate heat, a water pump is started, cooling liquid in a cooling liquid box is pumped, the cooling liquid enters a cooling liquid pipe through a water outlet pipe and a folding pipe, and the cooling liquid conducts heat dissipation on the surface of the power generator.

The invention provides a method for calculating parameters of a three-component proportional controller, which comprises the following steps of: S1, calculating and determining the height of a shell of each set of the proportional controller and the unit displacement of a volume metering component of the proportional controller according to the component proportion and the height of the proportional controller; s2, according to the geometric structure relation and boundary dimension constraint of the volume metering component of the proportional controller, calculating and determining the diameter of a leakage-resistant rotor blade, the diameter of a leakage-resistant rotor transmission shaft, the diameter of a displacement rotor blade and the diameter of a displacement rotor transmission shaft; s3, calculating the internal leakage rate and the proportional error of the volume metering part of the proportional controller, evaluating whether the proportional controller meets the design requirement or not according to the proportional error, and if the design requirement is not met, executing the steps S1 to S2 again; and S4, according to the rotating speed relationship between the displacement rotor and the leakage-proof rotor, calculating and determining the modulus and the tooth number of a linkage gear of the leakage-proof rotor and the displacement rotor. According to the method, designers can be assisted to quickly obtain reasonable key structure parameters of the three-component proportional controller.