20results about How to "Reduce stress load" patented technology

The invention discloses a power battery mounting structure in the field of power battery systems. The power battery mounting structure comprises a frame assembly and a plurality of frame assemblies, the frame assemblies are fixed to the two sides of the frame assembly, a frame supporting component assembly is arranged between every two adjacent frame assemblies, every two opposite frame assemblies are connected through a supporting component, and the frame supporting component assemblies reduce stress loads borne by the frame assembly. A mounting area for fixing a power battery is arranged in each frame assembly, and the mounting area can be changed according to the volume of the power battery for multi-stage adjustment; a traditional battery installation mode is changed into a chassis side arrangement mode, it is guaranteed that the gravity center of the whole vehicle body does not shift, the gravity center lowering effect is achieved, the space on the two sides of the vehicle frame assembly is utilized, the size occupied by battery installation is reduced, and matching of different electric quantity requirements of the whole vehicle is achieved; the structural design of reducing cost and weight is carried out on the premise of meeting the strength requirements of typical extreme working conditions.

The double-clamping-sealing compression type anti-failure packer for the gas injection tubular column is sequentially provided with an upper packing system, an anchoring system, a lower packing system and an unpacking mechanism from top to bottom, the upper packing system comprises an upper setting piston, and a middle piston section is arranged on the periphery of a center pipe in a sleeving mode and is sealed with the center pipe; external threads at the upper end of the upper anchor tooth ring are screwed below the piston section of the upper setting piston, and the lower part of the upper anchor tooth ring is provided with inner anchor teeth and a plurality of slotted grooves with openings at the lower ends; the upper part of the upper sealing upper pressing sleeve is screwed with internal threads at the lower end of the upper setting piston, and the lower end of the upper sealing upper pressing sleeve is sleeved on the periphery of the upper end of the upper sealing lower pressing sleeve; the upper sealing rubber barrel abuts against the lower portion of the upper sealing upper pressing sleeve and is arranged on the periphery of the upper sealing lower pressing sleeve in a sleeving mode; the upper sealing lower pressing sleeve is arranged on the periphery of the center pipe in a sleeving mode and provides center and lower end supporting for the upper sealing rubber barrel. According to the packer, large-span double packing can be achieved, mechanical and differential pressure locking setting double insurance is achieved, the one-way differential pressure resisting capacity and the two-way alternate pressure bearing capacity are high, and step-by-step reliable unpacking can be achieved.

This utility model discloses an engineering vehicle and its chassis, including a chassis body, a winch, and a winch support. The winch is installed on the rear side of the chassis body in the forward direction, allowing the winch performing traction work behind the chassis body and the working device performing construction work in front of the chassis body to operate independently or collaboratively without interference, thus improving equipment utilization and work efficiency. The winch support is installed on the chassis body located behind the winch, and the winch support has a rope guiding structure to limit the rope released from the winch. This utility model enables convenient collection of logs while meeting load-bearing requirements.

The invention discloses an anti-short-circuit silicon steel iron core oil-immersed transformer for photovoltaic power generation, which comprises a transformer oil tank and radiating fins, the radiating fins are hollow, and the radiating fins are communicated with the interior of the transformer oil tank; the outer ends of the cooling fins are connected with a plurality of flat oil cylinders, the inner ends of the flat oil cylinders are communicated with the cooling fins, pistons are connected into the flat oil cylinders in a sliding mode, the end faces, back on to the transformer oil tank, of the pistons are perpendicularly connected with connecting rods, the connecting rods penetrate out of the outer ends of the flat oil cylinders, and end plates are arranged on the outer sides of the outer ends of the flat oil cylinders. A plurality of fan blades are rotationally connected to the outer side faces of the cooling fins, gears are coaxially arranged on rotating shafts of the fan blades, racks are connected to the plate face, facing the transformer oil tank, of the end plate, and the racks are correspondingly meshed with the gears on the rotating shafts of the fan blades respectively. Thermal expansion energy of transformer oil is converted into kinetic energy of the fan blades, and the cooling fins are helped to improve the cooling effect.

The invention provides an intelligent regulation and control method for a concentrating and settling dense area of a rake thickener. The method comprises the following steps: obtaining a corresponding maximum thickness value of the dense area when a thickener rake frame in the dense area normally works; obtaining a linear relation between the thickness of the dense area and the corresponding underflow concentration of the dense area through limited times of tests, obtaining the underflow concentration value of the dense area corresponding to the maximum thickness value of the dense area in the non-raking state of the dense area, and recording the concentration value as C set; detecting the real-time concentration value of the dense area in real time through a concentration detection unit, and recording the real-time concentration value as C detection; according to the difference value between the C < measured > and the C < set >, the frequency of the variable frequency pump is regulated and controlled online, and the real-time underflow discharging speed is regulated and controlled, so that the thickness value of the dense area in the thickener is kept below the maximum thickness value of the dense area without pressing the rake. The invention further provides a system based on the method, the problem of rake pressing cannot be generated, and meanwhile the labor cost and the time cost are reduced.

This invention relates to the field of gear shifting mechanism technology, specifically a two-axle gear shifting mechanism for new energy commercial vehicles, including a drive motor, a rack and pinion spindle, and a shift fork. The shift fork includes a sliding sleeve assembly sleeved on the outside of the rack and pinion spindle, and a clutch structure for applying a rated elastic preload is provided between the sliding sleeve assembly and the rack and pinion spindle. At least one end of the rack and pinion spindle is provided with a helical guide pair, which includes an input end and an output end. The input end is connected to the rack and pinion spindle, and the output end is connected to a dissipation component that applies frictional damping torque. This invention, by integrating a composite buffer system of radial clutch disengagement, helical guide friction dissipation, and aerodynamic damping, converts linear impact kinetic energy into rotational heat energy and fluid resistance work, achieving smooth dissipation of impact force, thereby effectively cutting off the transmission path of destructive loads and extending the overall mechanical life of the heavy-duty transmission system.

The invention discloses a mining control method based on coal mine excavation and mining filling and retaining coupling, and belongs to the technical field of coal mine mining control. The method comprises the following steps: constructing a physical similar model for simulating geological conditions of a target coal mine, excavating a simulated roadway according to a preset tunneling sequence to form a simulated mining surface, implementing simulated filling operation to form a simulated filling body, and reserving simulated coal pillars between the simulated roadway and the simulated mining surface to form a supporting structure; in the mining and filling process, overlying strata and ground surface subsidence displacement data are collected, a roof subsidence curve is drawn, wave crest and wave trough positions are identified, overlying strata movement differences are analyzed, the ground surface subsidence rate is calculated, and on-site actual mining parameters are guided accordingly; according to the method, the supporting effect can be optimized, the overlying strata movement rule can be accurately mastered, and the mining safety problem caused by insufficient data analysis and unreasonable supporting design in coal mine excavation and mining is solved; scientific guidance is provided for on-site mining parameter adjustment, and coal mining requirements under complex geological conditions are met.

The invention discloses a method for preparing polyester fibers by regenerating waste polyester textiles, belongs to the technical field of polyester recovery, and aims to solve the technical problem that the antibacterial property and wear resistance of regenerated polyester fibers need to be further improved in the prior art. The method comprises the following steps: uniformly coating spinning fibers with high-temperature wear-resistant oil by using a roller oiling device, and curing to obtain polyester fibers; the modified titanium filler and the high-temperature wear-resistant oil are prepared, the modified titanium filler hybridizes a polyester chain segment and improves the two-stage filtering efficiency at the same time, the modified titanium filler serves as a framework of the wear-resistant high-temperature oil and a bridge for connecting the wear-resistant high-temperature oil and polyester fibers, so that the oil layer structure is stable, and the loss of the polyester fibers in the winding process is reduced; wherein titanium dioxide particles in the polyester fiber and in the high-temperature wear-resistant oil can excite electrons under ultraviolet irradiation to generate a strong oxidant, so that effective sterilization is realized, and finally, the wear-resistant and antibacterial polyester fiber is obtained.

The releasing type two-way pressure-resistant water injection packer comprises a packing mechanism, an anchoring mechanism is arranged above the packing mechanism, the anchoring mechanism comprises an upper cone, a lower cone and a lower cone, the outer conical surface of the lower end of the upper cone abuts against the inner side of the inner conical surface of the upper end of a slip, and the outer conical surface of the lower cone abuts against the inner side of the inner conical surface of the upper end of the slip. The outer side of the slip is fixedly provided with a slip return spring, and the slip return spring abuts against the inner wall of the slip sleeve; the outer conical surface of the upper end of the lower cone abuts against the inner side of the inner conical surface of the lower end of the slip; the slip sleeve is located on the periphery of the upper cone, the slip and the lower cone and provided with a slip groove for the slip to stretch out and draw back in the radial direction. According to the releasing type bidirectional pressure-resistant water injection packer, the phenomena that locking fails or unblocking is conducted in advance, and unblocking cannot be conducted forcibly due to frequent changes of stress loads of the setting locking mechanism caused by wriggle of a tubular column can be avoided, the validity period of the water injection packer is prolonged, and the reliability of later unblocking is improved.

The utility model is suitable for automatic vending machine technical field provides a kind of mesh positioning structure for automatic vending machine, including cabinet, the bottom of cabinet is provided with several trundle, the inside of cabinet is provided with positioning assembly, the positioning assembly includes four groups of shelf bar structure, the middle position of four groups of shelf bar structure is provided with positioning stand, one group of hook structure is respectively set between four groups of shelf bar structure and positioning stand, the top of positioning stand is provided with mesh, the mesh and positioning stand are fixedly connected, the shelf bar structure includes shelf bar body, the sidewall of shelf bar body is provided with several bolt mounting holes, the middle position of every two groups of bolt mounting holes is provided with several hook mounting holes, by setting mesh and positioning stand fixed connection, and four groups of shelf bar structure and positioning stand cooperate to form multiple support point, the weight of commodity is dispersed to positioning stand, shelf bar structure, and the stress load of single connecting point is greatly reduced.

The present invention relates to the technical field of electric power systems, and in particular to a multi-domain new energy interconnected electric power system, wherein the electric power system comprises: a power grid system, a new energy power generation module, a traditional power generation module, an acquisition module, a dispatching module, a proofreading module and a control module, wherein the power grid system is used for the overall networking of the power system, and the substations and transmission and distribution lines of various voltages are used as a whole, and the dispatching module is used for the interconnection planning of new energy power and traditional power in the power grid system. The multi-domain new energy interconnected electric power system can perform load analysis on various real-time data of the multi-domain new energy interconnected electric power system by setting a dispatching module, and establish an operation model of the electric power system, and the load of the multi-domain new energy interconnected electric power system can be calculated according to the model, and timely adjusted to achieve that the required growth rate of new energy in the multi-domain new energy interconnected electric power system is consistent with the load of the power grid system, thereby reducing the load of the electric power system.

The utility model relates to a kind of two-way limit lock, including box, limiting component and first drive mechanism;Box is equipped with containing area;Limiting component is rotatably located in containing area, limiting component includes oppositely arranged first limiting arm and second limiting arm, first limiting arm has first limit surface, second limiting arm has second limit surface, first limit surface and second limit surface are reversely arranged;First drive mechanism is located in box, the output end of first drive mechanism is connected to first limiting arm and second limiting arm, and first drive mechanism is used to drive first limiting arm and second limiting arm to rotate and switch between first initial position and first limit position.The utility model is responsible for the limit of one direction by two limiting arms respectively, and the stress concentration of traditional single limiting arm is decomposed into two limiting arms to bear together, which can reduce the stress load of single limiting arm, avoid the risk of fracture, and realize two-way reliable limit.

The utility model relates to the technical field of forklifts, and discloses a telescopic forklift with a leveling function, which comprises a cab, a fork frame component, a movable component, a support rod and a base, and is characterized in that a screw is spirally inserted into a screw hole to correspond to the insertion of a sliding plate and fix the position of a center block after the center block moves; according to the lever principle, the extension of the force arm can reduce the driving force required by the telescopic rod and reduce the pressure load of the second hydraulic rod, so that the telescopic rod can easily push the force bearing plate to rotate and move, and the force bearing assembly can be conveniently adjusted. And the fork frame can be easily kept in a horizontal state when the materials are inserted and taken, the situation that the materials inserted and taken by the fork frame are too heavy, consequently, stability of hydraulic pressure of the second hydraulic rod is affected is prevented, and failure and leakage of a telescopic rod sealing piece caused by too large pressure load are avoided.

A guide rail of the conveying line comprises a switching guide rail, a high-position guide rail and a low-position guide rail, the guide rail lifting device comprises a guide frame assembly, the upper end of the guide frame assembly is fixedly connected with a building structure above the guide frame assembly, and the lower end of the guide frame assembly is suspended; the sliding frame assembly is in sliding fit with the guide frame assembly and is used for mounting the transfer guide rail; the upper portion of the connecting frame assembly is fixedly connected with a building structure, and the side face of the connecting frame assembly is fixedly connected with the sliding frame assembly; the driving mechanism is arranged on the connecting frame assembly and is in transmission connection with the sliding frame assembly, so that the sliding frame assembly ascends and descends in the vertical direction under the guiding effect of the guiding frame assembly; when the sliding frame assembly is located at the high position, the transfer guide rail is in butt joint with the high-position guide rail, and when the sliding frame assembly is located at the low position, the transfer guide rail is in butt joint with the low-position guide rail, so that the aerial conveying function at different heights can be achieved, the cost of the conveying line is reduced, and the ground space is not occupied.

A new type of connecting rod type arm includes an arm, the tail of the arm is provided with a connecting rod mechanism, the connecting rod mechanism includes a cylinder, a connecting rod and a seat rod which are hinged with the arm in sequence from front to back, in the initial state, the cylinder and the seat rod are both in vertical state, and the connecting rod is in horizontal state; the separate arm is changed into the connecting rod type arm structure, on the one hand, the cylinder can be vertically installed, and on the other hand, the structural strength of the arm structure can be enhanced, the pressure load of the cylinder is reduced, and thus the failure rate of the overall structure is reduced.

The invention provides a client-based service degradation method, system and device and a medium, and belongs to the technical field of service regulation and control, and the method comprises the following steps: configuring a service monitoring module at a service client; the service monitoring module monitors a service request of the client, and starts a client degradation function when the service request non-response time is greater than a threshold value; the service monitoring module collects the network state of the client, starts a predefined client degradation scheme according to the network state of the client, and periodically updates the client degradation scheme or closes a client degradation function according to the service response time and the network state of the client; and the service monitoring module regularly collects and analyzes the use condition of the client and user feedback data, and adjusts a predefined client degradation scheme according to an analysis result. According to the invention, the pressure of the service is relieved in a client service degradation mode, the degradation strategy can be monitored, the satisfaction degree of the user is improved, and the loss caused by service interruption is reduced.

The utility model relates to the technical field of land engineering, concretely is a kind of side slope protection structure. Including side slope component, walkway component, water guide component, the side slope component includes side slope main part, the walkway component includes walkway side wall one, the water guide component includes water guide fender, the top of side slope main part is fixedly connected with side slope top layer by embedded reinforced concrete, the front end of side slope main part is fixedly connected with side slope bottom layer by cast-in-place concrete inlay, the top of walkway side wall one is fixedly connected with installation base plate by embedded bolt, the inside of stable protection layer is opened along its length direction and is penetrated with drainage top groove. Slow-flowing tank distributes water body to each longitudinal water guide groove, avoids local water guide groove water flow overload, further reduces the impact force of water flow to water guide fender and side slope main part, shunt to the top end face of water guide fender, by shunt design, avoid single water flow concentrated impact water guide fender, reduce local stress load.

This invention belongs to the field of electrical technology, specifically relating to a display module and display device. The display module includes a display area, a non-display area, and a transition area located between the display area and the non-display area. The transition area connects the display area and the non-display area and includes at least one transition structure, comprising: a main connecting bridge connected to both the display area and the non-display area; a tension auxiliary connecting bridge connected to both the display area and the non-display area; and multiple signal lines, at least partially arranged on the main connecting bridge. The extension directions of the main connecting bridge and the tension auxiliary connecting bridge are consistent with the direction from the display area to the non-display area. The display module and display device of this application can ensure the stability of signal transmission.

The utility model discloses a continuous casting argon blowing stopper rod, which relates to the technical field of argon blowing stopper rods, and comprises a stopper rod body and a stopper head, one side of the stopper rod body is provided with an air inlet channel, the stopper rod body is internally provided with a shunting hole, the shunting hole penetrates through the stopper head, and the shunting hole is communicated with the air inlet channel. By the adoption of the structure, the multiple flow dividing holes are formed in the air inlet channel of the stopper rod body and extend to pass through the stopper head, the design of the multiple flow dividing holes in the continuous casting argon blowing stopper rod is beneficial to reducing the pressure load of a single air inlet channel, the risk of airflow blocking is reduced, each flow dividing hole can bear small airflow pressure, and therefore the continuous casting argon blowing stopper rod is good in sealing performance. Therefore, the situation that a single air inlet channel is possibly blocked or damaged due to the fact that the single air inlet channel bears too large pressure is avoided, even if a certain flow dividing hole is slightly blocked or breaks down, other flow dividing holes can still work continuously, and the continuity of the argon blowing process is guaranteed.

The invention discloses a digital remote intelligent interactive teaching device, and belongs to the technical field of head-mounted intelligent VR glasses, the device comprises a VR teaching glasses main body, the VR teaching glasses main body is used for displaying teaching content, a binding part is installed on the VR teaching glasses main body, and the binding part binds the VR teaching glasses main body to the head of a user. The binding part is fixedly connected with a connecting belt, the tail end of the connecting belt is connected with a wearing part, the connecting belt is provided with an adjusting assembly, the connecting belt or the tension part generates tension towards the back of the neck, indirect traction stress of the gravity of the VR teaching glasses body to the neck can be effectively counteracted, and the stress load of the neck is reduced; when the head is lowered, the tension can dynamically counteract the load increased by the gravity of the glasses, and when the head is raised, the tension is naturally weakened without causing extra traction; the tension can be adjusted by adjusting the buckle or the adjusting part according to users with different neck lengths and heights, and the tension distribution is more balanced through the symmetrically arranged connecting belts and the tension parts.