135results about How to "Effective regulation" patented technology

This application relates to a lightweight AI glasses using a Micro LED optical engine module, belonging to the field of AI glasses technology. The lightweight AI glasses using a Micro LED optical engine module include a frame and temples. One end of the temples is rotatably connected to the frame. A limiting portion is also provided at the end of the frame. A first adjustment mechanism is also provided on the frame. The first adjustment mechanism includes an abutment frame and a fixing component. The abutment frame is located at one end of the temple near the frame, and one end is rotatably connected to the temple. The limiting portion is located on the displacement path of the other end of the abutment frame when it rotates with the temple. The fixing component is used to fix the abutment frame after rotation. This application improves the comfort of the user when wearing the lightweight AI glasses.

The present application relates to the technical field of smart grid, especially to a kind of intelligent power distribution cabinet with fault detection function and detection method.The present application can accurately obtain state data and analyze state data by obtaining unit and data analysis unit;Multiple AI analysis models in edge computing unit can accurately analyze equipment state results, and can improve the efficiency of power distribution cabinet fault detection;Through the decision unit, multiple equipment state results are fused using the preset rules to obtain accurate fault information, and the execution module in the control unit is driven based on the accurate fault information to act;Finally, the analysis unit determines the fault detection state based on the fault suppression success rate within the preset period, and adjusts the corresponding parameters based on the fault detection state, so as to more accurately analyze the fault.The present application improves the fault detection efficiency of power distribution cabinet.

The utility model relates to the field of aquatic product breeding facilities, concretely is a sunshade cooling shed for snakehead culture, including the shed frame and setting sunshade cloth on the shed frame, and the shed frame includes two support frames and two hangers, and the support frame is fixedly connected with the support pole, and the two hangers are located between the two support frames, and the both ends of the hanger are fixedly connected with the corresponding support frame, and the sunshade cloth is located between the two hangers, and the hanger is provided with the sliding assembly, and the sunshade cloth is connected with the corresponding hanger through the sliding assembly, and the upper portion of sunshade cloth is provided with the adjusting assembly, and the sunshade cloth is provided with the connecting assembly, and the adjusting assembly is connected with the sliding assembly through the connecting assembly, and the support frame is provided with the spraying assembly. Compared with the prior art, the patent sets up the slidable sunshade cloth driven by the pulley set in the hanger, and is equipped with the fixed pulley traction system, realizes the quick, labor -saving adjustment of sunshade area, solves the technical problem that sunshade coverage rate can not be dynamically adjusted.

This utility model relates to the field of bending and forming devices, and more particularly to a bending and forming device for a tricycle front fender. The utility model provides a bending and forming device for a tricycle front fender, including a bending machine body, a worktable, a sliding frame, auxiliary wheels, a two-way cylinder, support plates, and an electric slide. A worktable is located on the front side of the bending machine body. An electric slide is longitudinally mounted on the top of the worktable. A two-way cylinder is mounted on the top of the electric slide via an electric slider. Sliding frames are located at both output ends of the two-way cylinder, and auxiliary wheels are rotatably mounted on each sliding frame. Support plates are symmetrically arranged at the front and rear of the top of the worktable. By activating the two-way cylinder, the sliding frame can be pushed to adjust the spacing of the auxiliary wheels, adapting to front fenders of different widths. Compared to manual adjustment, this method is simple and efficient, allowing for rapid switching of parts production, reducing mechanical and manual intervention, significantly improving production efficiency, and meeting the needs of large-scale, high-efficiency production.

This utility model discloses an easily adjustable telescopic tube structure, belonging to the technical field of telescopic tube fittings. It includes an inner tube, an outer tube, an elastic element, a tappet, a fixing element, an adjusting button, and an elastic reset element. The outer tube is slidably sleeved on the outside of the inner tube. A through hole is formed on the side wall of the inner tube, and a locking hole is formed on the side wall of the outer tube. The elastic element is located inside the inner tube. The tappet is connected to the elastic element and can pass through the through hole and the locking hole. The fixing element is fixedly mounted on the outer tube. The adjusting button is slidably mounted on the fixing element. The elastic reset element is telescopically located between the adjusting button and the outer tube. The orthographic projection of the adjusting button along its sliding direction is larger than the orthographic projection area of ​​the tappet. When the adjusting button is pressed, it pushes the tappet to move, causing the tappet to disengage from the locking hole. This telescopic tube structure reduces the pressure on the user's fingers by moving the tappet through the pressing of the adjusting button, facilitating efficient adjustment and simplifying operation.

This invention relates to the field of Internet of Things (IoT) technology, providing a large-scale IoT system, method, and medium for remote firmware updates of sensors. The system includes a sensor management platform configured to: determine multiple sensor update groups based on data characteristics of multiple sensors and their geographical locations within an industrial grid area; determine the update priority of each sensor update group based on its task and transmission characteristics; determine update parameters for the multiple sensor update groups based on update priority, firmware characteristics, and channel state distribution; and generate update instructions and firmware update packages based on the update parameters, and control multiple sensors in the multiple sensor update groups to perform firmware updates. The method can be executed after being read from computer instructions stored on a computer-readable storage medium. This invention enables secure, reliable, and continuous large-scale sensor firmware upgrades under complex industrial network conditions.

The utility model belongs to the field of marine diesel engine manufacturing, and particularly relates to a marine diesel engine rack head end alignment device. The marine diesel engine rack head end alignment device comprises first round steel and second round steel. The first round steel and the second round steel coincide in axis. The MD type top weight is connected between the first round steel and the second round steel; a flange plate is fixedly connected to the outer end of the first round steel and used for being connected with a rack plate at the head end of a rack through bolts. The outer end of the second round steel is fixedly connected with a square plate used for being welded to a fixing block of a rack. A telescopic control hole is formed in the MD type top weight, the length of the MD type top weight is adjusted through the telescopic control hole, and perpendicularity control over the head end and the bottom of the rack is achieved. The welding-free design is adopted, damage to the rack body is avoided, the assembling efficiency is improved, high universality is achieved, and the diesel engine rack assembly can adapt to diesel engine racks of various cylinder diameters.

This invention relates to a top thread control device and sewing control method for optimizing corner sewing on a double-needle sewing machine. It includes a center thread hook, a take-up lever, two top thread clamps, and a take-up spring mechanism. The center thread hook has two center holes, and the take-up lever has two take-up holes. The take-up spring mechanism includes two guide components and two take-up springs. The guide components include guide grooves and guide hooks, and the take-up springs include hook rods that can rotate up and down around a rotation axis. One guide component, take-up spring, top thread clamp, center hole of the thread hook, and take-up hole constitute one top thread control unit, while the other constitutes another top thread control unit. Each top thread control unit controls the top thread of one needle. The top thread passes sequentially through the top thread clamp, guide groove, guide hook, bottom side of the hook rod, take-up hole, and center hole of the thread clamp before passing through the needle. When the take-up lever moves upward, the top thread causes the hook rod to rotate upward.

The application provides a rotating hook, relates to the technical field of hooks, and comprises a hook body, a shell, a hoisting shaft, rotating shafts, a transmission mechanism and a switch mechanism, a hook seat capable of supporting the hook body is fixedly installed in the shell, the hoisting shaft is rotatably connected to the hook seat, the hook body is installed at the bottom end of the hoisting shaft, two rotating shafts are arranged, the two rotating shafts are rotatably connected to the two sides of the hook seat respectively, pulley mechanisms are installed on the two rotating shafts and are used for supporting the hook body to move up and down, the transmission mechanism is arranged on the hook seat and is used for driving the two rotating shafts and the hoisting shaft to rotate in linkage, and the switch mechanism is arranged on the shell and is used for controlling the start and stop of the transmission mechanism. Through the technical scheme, the technical problem that the hook rotating technology in the related art is difficult to consider precision, efficiency, structural simplicity and practicality and is difficult to meet the demand of modern port hoisting operation is solved.

This invention discloses a medicine bottle printing and traying device, comprising a transmission mechanism, a printing mechanism, and a defect detection and rejection mechanism mounted on a frame. The transmission mechanism includes a first conveyor and a second conveyor arranged horizontally, with the printing mechanism positioned above the first conveyor. The inlet end of the first conveyor is connected to a feeding mechanism, and the outlet end of the first conveyor is connected to the inlet end of the second conveyor via a first conveying and transfer mechanism. The defect detection and rejection mechanism includes a medicine bottle defect detection and rejection mechanism and a tray defect detection and rejection mechanism. A tray insertion mechanism is located below the outlet end of the second conveyor, and the outlet end of the tray insertion mechanism is connected to a third conveyor. This device not only enables efficient printing and traying of medicine bottles but also effectively screens medicine bottles with substandard printing and trays with substandard trays, thereby significantly improving the quality of medicine bottle printing and traying.

The utility model discloses a hanging rope assembly and terminal equipment, the hanging rope assembly comprises a first sliding fastener, a second sliding fastener, a hanging rope and a connecting rope, the first sliding fastener is provided with a first channel, the second sliding fastener is provided with a second channel, the hanging rope is provided with a hanging section used for being hung on a wearing part of a wearer, and the connecting rope is connected with the hanging section. The two ends of the hanging rope extend to the first side of the first sliding fastener through the first channel and are connected with the second sliding fastener, the connecting rope is provided with a connecting section used for being connected with the mobile terminal, at least one end of the connecting rope extends to the first side of the second sliding fastener through the second channel and is connected with the first sliding fastener, and the position of the hanging rope relative to the first channel is adjustable. And the position of the connecting rope relative to the second channel is adjustable so as to change the length of the connecting section. The rope length adjusting process can be simplified, and rope length adjustment is facilitated.

The application discloses a method for treating hydrogen sulfide in oil wells, which comprises the following steps: (1) screening of test oil reservoir; (2) preparation of specific virulent SRB phage stock solution; (3) enrichment of specific virulent SRB phage; (4) determination of optimal titer of specific virulent SRB phage solution; (5) selection of phage fusion bactericide; (6) determination of optimal intervention point of bactericide; (7) field test and effect evaluation. The application has the following advantages: (1) wide adaptability, simple method and good operability; (2) strong pertinence; (3) phage bactericidal action can prevent the generation of bacterial drug resistance and can prolong the use time of bactericide; (4) the cost is reduced by more than 50% compared with the prior art; meanwhile, the damage of bactericide toxicity to the formation is reduced, and the method is economic and environment-friendly.

This invention discloses a multimodal real-time control system and method for novel power systems. Relating to the field of power system technology, it solves the problem of achieving precise control under complex and variable operating conditions. This invention deeply mines monitoring parameters with data correlations within the power system, accurately identifying the trend characteristics between correlated monitoring parameters from historical operating data. This process not only considers the correspondence between numerical changes of monitoring parameters but also calculates the precise change value BH based on detailed analysis of numerical control segments and auxiliary data segments, forming a comprehensive record of trend characteristics. This allows for full consideration of multiple influencing factors during actual control, avoiding control deviations caused by ignoring changes in correlated parameters, thereby greatly improving the accuracy of the multimodal control process and ensuring the stable operation of the power system.

The utility model discloses a position adjusting device for a flat head of a roughing roll, and relates to the technical field of metallurgy. The center of the plate body is provided with a flat head positioning port, the plate body is provided with a plurality of through ports, the plurality of through ports are annularly arranged outside the flat head positioning port, the plate body is connected with a steel wire rope through a buckle, the buckle is connected with the plate body through the through ports, and one end, far away from the plate body, of the steel wire rope is connected with a hoisting device. By designing the novel adjusting device, the flat head of the roughing roll only needs to be sleeved with a plate, a steel wire rope is connected to the through opening of the adjusting device through the buckle, the position of the flat head of the roughing roll is adjusted through hoisting equipment, and meanwhile roll inspectors can inspect the quality of the roll surface of the roughing roll in the slow rotation process. Flat head adjustment can be efficiently completed, meanwhile, the roller surface inspection is considered, and the safety problem that people fall down due to the unstable gravity center is solved.

This utility model relates to the field of yarn tube paper production technology, and more particularly to a calendering device for yarn tube paper production. The technical solution includes a base plate, with a fixed frame fixedly connected between the top edges of the base plate and the two sides. A guide roller is rotatably connected between the inner walls of the two sides of the fixed frame near the top edge. Connecting plates are slidably fitted onto the outer surfaces of the guide rollers near both ends. This utility model uses a first rotating gear to drive a bidirectional threaded rod to rotate, causing the connecting plates to move relative to each other under the action of the bidirectional threaded rod. The connecting plates drive limiting blocks to slide on the guide rollers, thereby effectively controlling the gap between the limiting blocks, facilitating the guidance of the yarn tube paper on the guide rollers, effectively reducing uneven guidance of the yarn tube paper, making the yarn tube paper more compact during calendering, and thus improving the calendering effect of the device.

The utility model relates to a laser lamp adjusting auxiliary device based on a half-reflecting mirror combination, which comprises an upper fixing plate, a lower fixing plate, a supporting column, a half-reflecting mirror combination and a replaceable target surface, the upper fixing plate and the lower fixing plate are connected with each other through the supporting column, and the upper fixing plate and the lower fixing plate are horizontally arranged. The half-reflecting mirror combination comprises an upper half-reflecting mirror and a lower half-reflecting mirror; an upper mounting groove is formed in the middle of the upper fixing plate, a through hole is formed in the middle of the upper mounting groove, the upper half reflecting mirror is detachably mounted in the upper mounting groove, an upper lens leveling nut for supporting the upper half reflecting mirror is arranged at the bottom of the upper mounting groove, and the replaceable target surface can replace the upper half reflecting mirror to be mounted in the upper mounting groove; a lower installation groove is formed in the middle of the lower fixing plate, and the lower half reflecting mirror is detachably installed in the lower installation groove. Compared with the prior art, the laser lamp adjusting device has the advantages that the technical requirements of operators can be reduced, and the laser lamp adjusting reliability, precision and efficiency are improved.

The present application relates to a kind of rice negative regulation cold tolerance gene WRKY51, the gene has as (a) as shown in SEQ ID No:1 Nucleotide sequence composition;(b) the nucleotide sequence shown in SEQ ID No:1 It is generated by adding, substituting or deleting one or several bases, and the nucleotide sequence of rice bud stage cold tolerance functional protein is encoded.The present application belongs to the technical field of genetic engineering.The present application improves the cold tolerance of rice bud stage by knocking down the expression level of the gene.

The invention relates to the technical field of livestock breeding intellectualization, and discloses an intelligent breeding system and method for full-barn feeding cashmere goats. The method comprises the following steps: collecting position coordinates and attitude information of down producing goats in a breeding house, and collecting environmental parameters of a plurality of position points; identifying a sheep flock subset with a local aggregation situation according to the position coordinates, and synchronously obtaining environmental parameters associated with the geographic position of the subset; deducing an expected behavior evolution trend of the sheep flock subset under the action of the environmental parameters in combination with the attitude information and the associated environmental parameters; judging whether the distribution of the whole cashmere goats needs to be subjected to global intervention or not according to the trend; when it is judged that intervention is needed, the movement guiding priority of each cashmere goat is calculated; and generating a differentiated path guide strategy for each goat based on the priority and executing the strategy to adjust the distribution state of the down producing goats in the shed. According to the invention, active prediction and personalized accurate guidance of sheep flock behaviors are realized, and the intelligent level of breeding management and animal welfare are improved.

The utility model provides a small visual holder system, which belongs to the technical field of visual holders and is provided with a base and a shell, and the shell covers the base and is connected with a visual camera groove; an elliptical groove is formed in the shell; a supporting plate is arranged at one end of the base, a holder support is hinged to the supporting plate, a visual camera is arranged at the other end of the holder support, and the visual camera extends out of the oval groove; one end of the base is provided with a motor, the output end of the motor is connected to the connecting rod mechanism, and the other end of the connecting rod mechanism is connected to the pan-tilt support. According to the small visual pan-tilt system, the angle of the camera can be effectively adjusted, the equipment structure is compact, the internal space of the shell is remarkably saved, and the overall size of the system is smaller; the device is especially suitable for small visual camera equipment, and is simple in structure, convenient to maintain and low in manufacturing and using cost.

The invention relates to the field of hydrogenation catalysts, and discloses a preparation method of a hydrogenation catalyst, the hydrogenation catalyst and application thereof, and a production method of an aromatic extraction raw material. The invention relates to a preparation method of a hydrogenation catalyst, which comprises the following steps: (1) loading nickel and alkali metal and / or alkaline earth metal onto a carrier, and then roasting to obtain a modified carrier; (2) loading cobalt, molybdenum and a first organic matter on the modified carrier, and then carrying out hydrothermal treatment and first post-treatment to obtain a catalyst precursor; and (3) loading a second organic matter on the catalyst precursor, and then carrying out hydrogenolysis post-treatment to obtain the catalyst. According to the method, the loading sequence of the active metal is modulated, the stability of the catalyst is improved, the electronic characteristic adjusting effect of alkali metal is utilized, and organic matter is introduced while the active metal is subsequently impregnated, so that the active metal can be better dispersed on a carrier, and better combination between the active metal is realized.

This invention discloses an electronic expansion valve control method, device, and air conditioning system. The method includes: detecting a change in the on / off state of an indoor unit; for each on-duty indoor unit, determining the degree of lag in indoor unit control based on changes in system operating load and changes in specified parameters when the system load changes; adjusting the control cycle of the indoor electronic expansion valve of that indoor unit according to the lag degree; and controlling the indoor electronic expansion valve of that indoor unit according to the adjusted control cycle. This invention improves the response speed of the indoor electronic expansion valve under system fluctuations, increases the response rate of the indoor unit, avoids the situation where slow adjustment according to the conventional control cycle leads to large indoor temperature fluctuations and reduced indoor comfort, achieves effective regulation of the indoor electronic expansion valve, and solves the problem of slow response of the indoor electronic expansion valve under system fluctuations.

The present application belongs to the technical field of ship vibration control structure or method, and particularly relates to a cantilever beam type phononic crystal for vibration isolation and a parameter optimization method. The phononic crystal comprises a power-law prism base, a cross-shaped cantilever beam and a mass block. The power-law prism base comprises a power-law prism part and a base part. The cross-shaped cantilever beam is a cross-shaped flat plate structure, and the mass block is located at the end of the cross-shaped cantilever beam. The cantilever beam type phononic crystal based on the present application can be used for vibration control of different materials and different thicknesses. In actual application, only the material parameters and thickness of the flat plate need to be substituted, and the other part sizes and materials of the cantilever beam type phononic crystal are designed according to the flat plate size and vibration source frequency, so that the band gap frequency range covers the load frequency, and the vibration of the target frequency can be blocked. The structure of the cantilever beam type phononic crystal based on the present application can use materials with different elastic moduli to prepare the cross-shaped cantilever beam and materials with different densities to prepare the mass block, so that the band gap frequency range can be adjusted conveniently and quickly.

The invention discloses an acid-base response type organic room-temperature phosphorescent material based on a B-N bond and a preparation method and application thereof. The acid-base response type organic room-temperature phosphorescent material comprises a host matrix and guest molecules doped in the host matrix, the main matrix is poly (4-vinylpyridine); the guest molecule is an aromatic compound with a boric acid ester group; a dynamic B-N coordination bond is formed between boron atoms in the guest molecule and nitrogen atoms of a pyridine group in the host matrix, and the reversible phosphorescence response to an acidic atmosphere and / or an alkaline atmosphere is realized by the acid-base response type organic room temperature phosphorescence material based on the B-N bond through the formation and fracture of the dynamic B-N coordination bond. The B-N bond can also anchor molecules to inhibit non-radiative transition, promote spin-orbit coupling and induce efficient room-temperature phosphorescence. According to the invention, blue-to-red full-color gamut luminescence is realized by adjusting the structure and the concentration of the object, and the blue-to-red full-color gamut luminescent material has super-long service life and high-sensitivity reversible switching The preparation process is simple and environment-friendly, and has wide application prospects in the fields of information encryption, anti-counterfeiting and detection.

This invention provides a recombinant plasmid for regulating arsenic and cadmium tolerance in rice. The recombinant plasmid includes a 35S promoter and a gene encoding the TaGlo1 protein. This invention also provides transgenic rice containing the recombinant plasmid and a method for constructing it. This invention verifies that expression of the TaGlo1 gene significantly enhances rice resistance to arsenic and cadmium stress and promotes plant growth. Furthermore, the transgenic rice of this invention exhibits enhanced root accumulation of arsenic and cadmium, but the arsenic and cadmium content in the stem is not significantly different from the wild type. Combined with root-stem translocation coefficient analysis, it shows that TaGlo1 expression reduces the translocation efficiency of arsenic and cadmium from the roots to the aboveground parts by approximately 61.9% and 48.0%, respectively, indicating that it can effectively control the migration of arsenic and cadmium to edible parts.

The utility model provides a cutting device for dacron silk spinning fabric belongs to dacron silk spinning fabric processing technical field, including fixed plate, fixedly connected in the side surface of fixed plate fender, fixedly installed in the auxiliary assembly of fixed plate surface, fixedly connected in the side surface of fixed plate support frame, fixedly installed in the end of support frame's placement board, the drive assembly of adaptive installation in fender side surface, and the cutting assembly of cooperation drive assembly use. The utility model discloses a drive power and double governing valve control's air cylinder drive are adopted, ensure that the power is stable and adjusts accurate in cutting process, the protection groove cooperation slope design that fixed block and baffle form in auxiliary assembly, effectively fixed fabric and prevent cutting deviation, cutting assembly passes through bolt fixation blade, is convenient for replacement and guarantees cutting stability, the cooperation use of placement board and support frame realizes fabric accurate positioning and efficient cutting integration operation, and cutting precision and operation efficiency are greatly improved.

The application discloses a metal component welding stress dynamic regulation method and system based on digital twinning, relates to the intelligent control technical field of a welding process, and comprises the following steps: collecting original welding signals in a welding process in real time, and synchronously constructing a welding process digital twinning body interacting with the original welding signals; simulating and calculating the prototype stress field distribution of a metal component inside a current welding stage in the twinning body; generating welding energy dynamic regulation instructions according to the comparison between the distribution and a preset stress threshold interval, and calculating instant welding energy correction parameters to be fed to a welding execution mechanism to adjust energy input; after adjustment, collecting updated signals again to drive the twinning body to perform simulation verification, obtaining a verified stress field distribution, and performing closed-loop calibration on the aforementioned correction parameters based on the verified stress field distribution, so that the calibrated parameters are used for dynamic regulation in subsequent stages. The application realizes real-time perception, prediction and active accurate control of welding internal stress.

The invention relates to a device and method for adjusting the height of a rigid protrusion of a nuclear fuel assembly grillwork strip. The device comprises a height reducing male die punch, a height reducing female die punch, an upper die frame, a height increasing male die punch, a height increasing female die punch and a lower die base. The height reducing male die punch and the height increasing male die punch are embedded in the inner side of the upper die frame in a module mode. The height reduction female die punch is embedded in the position, right opposite to the height reduction male die punch, of the inner side of the lower die base in a module mode. The heightening female die punch is embedded in the position, right opposite to the heightening male die punch, of the inner side of the lower die base in a module mode. By designing the device for synchronously and reversely adjusting the heights of the rigid protrusions on the same side of the strip, the technical problems that when a nuclear fuel assembly grillwork G factor is unqualified, the efficiency of the processes of rigid protrusion height adjustment, measurement judgment, readjustment and the like in the grillwork is low, and batch production is not facilitated are solved, and meanwhile the problem that after the strip rigid protrusion height is adjusted, the production efficiency is low is solved. The appearance, the size, the crack and the like of the rigid bulge are inconvenient to detect.

The utility model relates to the technical field of agricultural machinery equipment, in particular to a hydraulic lifting adjusting device for large agricultural machinery, which comprises a support frame and an agricultural machinery body, a hydraulic lifting mechanism is arranged between the support frame and the agricultural machinery body, and the hydraulic lifting mechanism comprises a plurality of first fixing plates fixedly mounted at the bottom of the support frame; a hydraulic cylinder connected with the agricultural machine body is fixedly installed on the first fixing plate, a plurality of first sliding grooves are formed in the bottom of the supporting frame and the top of the agricultural machine body, first sliding blocks are installed in the first sliding grooves in a sliding mode, and two folding frames movably connected with the first sliding blocks are symmetrically arranged on the supporting frame and the agricultural machine body. Through the arrangement of the hydraulic lifting mechanism, the height of the agricultural machine body can be adjusted in a hydraulic lifting mode, so that the agricultural machine body does not need to be manually disassembled and then assembled for adjustment, adjustment is rapid and convenient, and the agricultural production efficiency can be improved.

The application provides a plunger type hydraulic pump and a hydraulic system, and relates to the field of hydraulic transmission. The plunger type hydraulic pump comprises a swash plate assembly, a driving shaft, a shell and an adjusting assembly; the swash plate assembly comprises a swash plate body and a support, and the swash plate body is rotationally arranged on the support; the driving shaft is provided with a first transmission part, the swash plate body is provided with a first clamping groove, and the first transmission part is in abutment with the inner wall of the first clamping groove along the circumference direction of the driving shaft; the shell is rotationally provided with a rotating support, the rotating support is arranged in the shell along the radial direction of the driving shaft, the rotating support is connected with the support, and the adjusting end of the adjusting assembly is connected with the rotating support. When the inclination angle of the swash plate body needs to be changed, the adjusting end of the adjusting assembly drives the rotating support to rotate, and then drives the support to rotate, so that the inclination angle of the support is adjusted. At this time, the inclination angle of the swash plate body changes synchronously with the inclination angle of the support. The adjusting process is efficient and stable, and is beneficial to the flexible adjustment of the displacement of the plunger type hydraulic pump.