36results about How to "Avoid heavy load" patented technology

The invention relates to a crane power matching control method and system and a crane, and the control method comprises the steps: outputting a control current proportional to the angle of an operation handle according to the angle of the operation handle, so as to control the opening degree of a multi-way valve; calculating the required power of the hydraulic pump according to the control current, the position of the accelerator pedal and the outlet pressure of the hydraulic pump; according to a preset optimal working curve of the engine, obtaining the optimal rotating speed of the engine corresponding to the required power, so that the oil consumption of the engine is minimum; and controlling the engine to operate at the optimal rotating speed. According to the control method, the enginealways works under the working condition with the optimal fuel economy through a power matching algorithm according to the operation of a user on an operating handle and an accelerator pedal, and theworking condition that the engine works under the low-speed large-load or high-speed small-load condition is avoided; and the operation difficulty can be reduced without depending on the experience of a user.

The invention relates to a service processing method and system, a server and a storage medium, and belongs to the technical field of networks. The method is applied to a service processing system, and comprises the following steps that a front-end server selects a target scheduling server from a plurality of scheduling servers by adopting a first load balancing scheduling algorithm, and sends a service request to the target scheduling server through a switching unit; the target scheduling server selects a target service server from the plurality of service servers by adopting a second load balancing scheduling algorithm, and sends a service request to the target service server; the target service server receives the service request; business requests are processed, processing results areobtained, the plurality of scheduling servers are arranged, even if the number of the service requests is large, the service requests can be evenly distributed to the plurality of scheduling servers,and then the plurality of scheduling servers evenly distribute the service requests to the plurality of service servers, so that the problem that the load capacity of a single scheduling server is toolarge is prevented, and the normal work of the scheduling servers is ensured.

There is provided the installation structure for charging equipment in a rear vehicle body capable of enhancing rigidity of the rear vehicle body, performing roundabout installation of the outlet cable without applying large load to the cable, preventing deterioration of the charging equipment due to external factors, and readily installing the charging equipment. In the installation structure for charging equipment in a rear vehicle body, the charger 10 for charging a battery is disposed in the spare tire housing 3, the charging connector 11 connected to the charger 10 through the outlet cable 12 is disposed rearward of the vehicle in the spare tire housing 3 so as to supply power to the charger 10, the insertion hole 3b is formed in the peripheral wall 3a of the spare tire housing 3, the cover member 4 is joined to the rear floor panel 2 so as to form a closed cross section, the cover member 4 is disposed to extend from the peripheral wall 3a of the spare tire housing 3 toward the charging connector 11 so as to communicate the space defined by the closed cross section with the insertion hole 3b, and the outlet cable 12 is disposed so as to be inserted through the insertion hole 3b and the space defined by the closed cross section.

A data center network comprises CORE devices which are stacked to form a stack system and an ACCESS device. Information of connection between each CORE device in the stack system and its peer ACCESS devices is recorded. Upon determining a change in the information of connection between any CORE device and its peer ACCESS devices, said CORE device is labeled with a low-forwarding-capability identifier. When transmitting a message, the ACCESS device selects a CORE device other than the CORE device labeled with a low-forwarding-capability identifier to perform the message forwarding.

The invention belongs to the field of building construction, and particularly discloses a building engineering construction waste smashing and recycling device. The building engineering construction waste smashing and recycling device comprises a smashing cylinder, a rotating shaft is rotatably connected into the smashing cylinder, the rotating shaft is provided with a smashing blade, and the rotating shaft is hollow. A plurality of groups of anti-winding assemblies are arranged on the outer wall of the rotating shaft, and the groups of anti-winding assemblies are distributed around the rotating shaft in the circumferential direction. Each group of anti-winding assembly comprises a plurality of protective pieces attached to the outer side wall of the rotating shaft, the protective pieces in each group of anti-winding assembly are distributed in the axial direction of the rotating shaft, one ends of the protective pieces are rotatably connected to the outer wall of the rotating shaft, and the other ends of the protective pieces are attached to the outer wall of the rotating shaft. The protective pieces are connected with an opening mechanism. A magnet is slidably connected into therotating shaft, a cutter which can be attracted with the magnet is further arranged on the outer wall of the rotating shaft, the cutter is located outside the anti-winding assemblies, and the cuttingedge of the cutter can penetrate through the positions between the connection ends and the free ends of the anti-winding assemblies. The building engineering construction waste smashing and recyclingdevice can solve the problem that the rotating shaft is wound with material when waste is smashed.

Provided are a measurement method capable of more simply and accurately measuring resistance to getting over a support roller while a conveyor belt is in operation, and a device therefor. An evaluation subject (S) formed by a cut sample of a conveyor belt is mounted on a flat substrate (10) with an inner periphery-side cover rubber layer located on the upper side, a support roller (4) mounted in a frame (2) is horizontally pulled and rolled in the longitudinal direction of the evaluation subject (S) by pulling the frame (2) by a wire (7) while the support roller (4) is pressed vertically downward against the upper surface of the evaluation subject (S) at a preset pressure (P) using a pneumatic cylinder (3) without substantial deformation of the outer peripheral surface thereof, and tensile force (T) in a horizontal direction measured at this time by a tensile force sensor (6) connected to the wire (7) is evaluated as resistance to getting over support roller.

The invention discloses a data processing device and system and a multi-node data processing method. The multi-node data processing method comprises the steps of using a target node to obtain the target to-be-processed data from a database, wherein each piece of to-be-processed data has a unique data ID; performing set algorithm processing on the node ID of the target node to obtain a first characteristic value, and performing set algorithm processing on the data ID to obtain a second characteristic value, wherein each node has a unique node ID; and when the first characteristic value is the same as the second characteristic value, executing processing on the target to-be-processed data. Through the above mode, the load of a single node can be reduced, and the data processing efficiency isimproved.

The invention discloses a pixel structure, a driving method thereof, electronic paper and a display device, wherein compensation electrodes electrically connected with all pixel electrodes correspondingly are added, and an overlapping area exists between the orthographic projections of the compensation electrodes on a substrate and the orthographic projections of grid lines on the substrate, thatis, the area of the pixel electrodes is increased by using the compensation electrodes, so as to increase the aperture ratio. Furthermore, since the compensation electrode corresponding to the pixel electrode in the nth line is connected with a second electrode of a corresponding first switching transistor, and the gate of the first switching transistor is connected with a first electrode and the(n-1)th grid line, when the (n-1)th grid line is scanned, as the compensation electrode having a directly facing area with the grid line is connected to the grid line, although the added compensationelectrode has the directly facing area with the grid line, the voltages are the same, therefore coupling capacitance is not generated between the grid line and the compensation electrode, and the problem that the load is increased because the compensation electrode covers the grid line during grid line scanning is avoided.

By forming a flange portion 16a1 protruding inward in the radial direction at an upper end portion 16a of a voice coil 16, a coiling sectional shape of the voice coil 16 is set to a L-shape. And, the upper end portion 16a of this voice coil 16 is bonded and fixed to a central flat portion 12b of a diaphragm 12. Hereby, by only increasing slightly the weight of the usual voice coil having an I-shaped coiling section, the large bonding area can be obtained between the voice coil 16 and the diaphragm 12, so that separation of the voice coil 16 can be prevented. Further, since other portions of the voice coil 16 than the upper end portion 16a thereof have the usual coil thickness, it is not necessary to expand the width of a cylindrical magnetic gap G in a magnetic circuit unit 18, whereby it is prevented that electroacoustic conversion efficiency of a speaker 10 lowers.

The invention discloses a novel electronic lock. The novel electronic lock comprises a lock body, an electric handle, an outer lock head, an electronic key and a clutch device. The clutch device comprises a buffering device and a spring guiding clutch device body. When the electronic key is used, the motor drives a connecting pipe shaft to rotate through the pipe shaft and a plurality of sets of buffering shifting rings after transmission buffering, a spring is compressed when a lug rotates, so that a sliding sleeve is driven to slide to be matched with or separated from the outer lock head, and the clutch function is achieved. The service life of the clutch device and the service life of the motor can be prolonged through the buffering device, it is guaranteed that a connecting boss at the front end of the sliding sleeve is clamped in a clamping groove of the outer lock head reliably by means of the elastic compression performance of the spring, and the situation that the connecting boss at the front end of the sliding sleeve gets stuck in the clamping groove of the outer lock head and cannot be disengaged from the clamping groove of the outer lock head can be prevented; in addition, the lug can slide out of a spring filament of the spring when rotating to the tail end of the spring, so that the motor can operate idly without stopping, the situation that a load is too large due to the fact that rotation of the motor is stopped suddenly is avoided, the service life of the motor is guaranteed, and both control and unlocking are convenient and reliable.

The invention relates to a method for replacing a machine tool and a tool and for replacing a tool stored in a storage part and a tool for mounting a spindle. A machine tool calculates a difference value between a target position around the axis and a current position of the spindle, and calculates a cumulative value of the calculated difference value. A switching part switches between the rotational control of a spindle motor based on the difference value and the cumulative value and the rotational control of the spindle motor based on the difference value without the use of the cumulative value. From a machining position to a switching position, the switching part of the machine tool performs the rotational control of the spindle motor based on the difference value and the cumulative value, and from the switching position to a replacing position, the switching part of the machine tool performs the rotational control based on the difference value. Even if the replacement of a tool is carried out when a non-rotational tool is mounted to the spindle, the machine tool can also avoid excessive load acting onto a motor and like enabling the rotation of the spindle.

The invention discloses a composite material projectile body storage box, belongs to the technical field of projectile body storage boxes, and solves the problem that a product easily has overweight and quality defects as an existing projectile body storage box uses an aluminum alloy welding structure. The composite material projectile body storage box comprises a box body, wherein a plurality ofbarrel bodies are mounted in the box body; the box body consists of a front panel, a rear panel, an upper bottom plate and a lower bottom plate; the front panel and the rear panel are separately mounted at the two-end openings of the barrel body; the upper bottom plate is connected with the lower bottom plate through an inner-layer fiber belt; the inner-layer fiber belt is wound on the outer surface of the upper bottom plate and the outer surface of the lower bottom plate; an outer-layer fiber belt which is crossed with the inner-layer fiber belt is wound and connected between the front paneland the rear panel; the barrel bodies are connected through hoop assemblies, and each barrel body is connected with the inner wall of the box body through the hoop assembly; and the side surface of each hoop assembly is wound with a hoop fiber belt. The composite material projectile body storage box is light in weight, is reliable in structure and is long in service life.

The invention discloses a charging pile capable of achieving automatic protection. The charging pile comprises a shell and a heat dissipation device body located in the shell. The heat dissipation device comprises a heat conduction groove, wherein the left end wall of the heat conduction groove is communicated with a heat dissipation groove of which the left side penetrates through the left end surface of the shell; the right side of the heat conduction groove is communicated with a cooling groove; a conversion device is arranged on the right side of the cooling tank; the device can start thefan to dissipate heat when detecting that the heat is too high; meanwhile, when the external temperature rises, the semiconductor is used, and the semiconductor conductivity is increased; when the external temperature is reduced, the characteristic that the semiconductor conductivity is reduced automatically switches the semiconductor, the automatic switching is achieved, the charging efficiency is guaranteed, and the cooling is conducted according to the physical effect of Peltier; meanwhile, the charging current can be detected, the load is prevented from being too large, and circuit protection is conducted.

There is provided the installation structure for charging equipment in a rear vehicle body capable of enhancing rigidity of the rear vehicle body, performing roundabout installation of the outlet cable without applying large load to the cable, preventing deterioration of the charging equipment due to external factors, and readily installing the charging equipment. In the installation structure for charging equipment in a rear vehicle body, the charger 10 for charging a battery is disposed in the spare tire housing 3, the charging connector 11 connected to the charger 10 through the outlet cable 12 is disposed rearward of the vehicle in the spare tire housing 3 so as to supply power to the charger 10, the insertion hole 3b is formed in the peripheral wall 3a of the spare tire housing 3, the cover member 4 is joined to the rear floor panel 2 so as to form a closed cross section, the cover member 4 is disposed to extend from the peripheral wall 3a of the spare tire housing 3 toward the charging connector 11 so as to communicate the space defined by the closed cross section with the insertion hole 3b, and the outlet cable 12 is disposed so as to be inserted through the insertion hole 3b and the space defined by the closed cross section.

A filling apparatus that does not significantly reduce a required pressure immediately after a start of hydrogen filling, and can reliably fill fuel cell vehicles and the like. The filling apparatus (100) of the present invention includes a control unit (10), and the control unit (10) has a function of boosting pressure required from a hydrogen filling apparatus (100) to a rear facility (200) until initial pressure measurement is completed. The control unit (10) may have a function of determining whether or not communication filling is established, and when communication filling is established, setting a pressure higher than an internal pressure of a tank received from a vehicle side by a predetermined pressure (for example, 5 MPa) as a pressure required for the rear facility (200) at an initial stage of filling.

PROBLEM TO BE SOLVED: To provide a machine tool and a tool replacement method which can avoid the action of excessive load on a motor rotating a main shaft and the like even when tool replacement is executed in a state where a non-rotating tool is mounted on the main shaft.SOLUTION: In the machine tool, a subtractor 92 calculates a value corresponding to a difference between a target position and a current position of a main shaft around an axis, and an accumulator 93 calculates a cumulative value of the difference value. The machine tool controls rotation of the main shaft by switching between rotational control of a main shaft motor based on both of the difference value calculated by the subtractor 92 and the cumulative value calculated by the accumulator 93 and rotational control of the main shaft motor based on the difference value without the cumulative value. The machine tool controls rotation of the main shaft motor based on the difference value and the cumulative value from a processing position to a switching position and controls rotation of the main shaft motor based on the difference value from the switching position to a replacement position.

The present application discloses a data processing device, system and multi-node data processing method. The multi-node data processing method includes: the target node obtains the target data to be processed from the database; wherein, each data to be processed has a unique data ID; The node ID of the node is subjected to setting algorithm processing to obtain the first characteristic value, and the data ID is subjected to setting algorithm processing to obtain the second characteristic value; wherein, each node has a unique node ID; between the first characteristic value and the second characteristic value When the eigenvalues ​​are the same, the processing is performed on the target pending data. Through the above method, the load of a single node can be reduced, and the efficiency of data processing can be improved.

The invention discloses a puncture positioning device convenient to adjust and capable of quickly mixing medicaments for medical anesthesia, and relates to the technical field of medical anesthesia, in particular to the puncture positioning device convenient to adjust and capable of quickly mixing medicaments for medical anesthesia. The puncture positioning device comprises a movable frame and a functional box, an electric rotating disc is fixedly connected above the movable frame, drawers are slidably connected into the functional box, a storage cabinet is arranged on the right side of the drawers, and sliding rails are fixedly connected to the left side and the right side of the functional box. According to the puncture positioning device convenient to adjust and capable of quickly mixing the medicaments for medical anesthesia, the reverse rotating capacity of a transmission gear and a main shaft is achieved through cooperation of an electric shaft and a power gear, so that the rotating operation of a rotating structure is driven, and gear meshing transmission between the power gear and the transmission gear has more accurate transmission, the puncture positioning device is highin efficiency, compact in structure, reliable in work and long in service life, and control accuracy of a mechanical arm is improved as much as possible.

The invention provides a geographic information system hotspot statistics method and device and a storage medium, and the method comprises the steps: automatically injecting a geographic information system hotspot collection code into a geographic information system server; Collecting access information of the geographic information system server through the geographic information system hot spotcollection code, and extracting hot spot data information from the access information; And storing the hotspot data information into a retrieval database. By means of the method and device, the problems that in the prior art, source codes need to be independently modified for geographic information system servers of different geographic information system manufacturers, and the scheme universalityis poor are solved.

The invention provides a message forwarding method and device in a data center network. According to the message forwarding method and device provided by the invention, when detecting that a link for transmitting a message has a fault, CORE equipment sends a target MAC (Media Access Control) address of the message, and when ACCESS equipment receives the MAC address sent by the CORE equipment, a link corresponding to a port which receives the MAC address is used as a limited link of the MAC address, so that when the message is sent to the MAC address again, the limited link corresponding to the MAC address is not used. Therefore, the CORE equipment which sends the MAC address does not receive the message with the target MAC address of the sent MAC address. Furthermore, the problem, such as a load of the links among the machine frames is increased, caused by the condition that the links among machine frames of the CORE equipment are used for carrying out flow transmission can be avoided, so that the flow transmission property is improved.

An image forming apparatus includes at least one of a print engine and a scan engine, a communication interface, a display, and a controller configured to perform at least one of controlling the print engine to perform printing and controlling the display to display a status of the printing, and controlling the scan engine to perform image scanning and controlling the display to display a status of the image scanning. The controller is further configured to sequentially switch a target image to be displayed from one still image to another among a plurality of still images constituting an animation, thereby displaying the animation on the display, and change a manner to display the animation when the image forming apparatus is remotely connected with an information processing device.

The invention provides a display panel, a driving circuit of the display panel and a driving method of the display panel. The driving circuit comprises: a plurality of source electrode driving chips and a plurality of source electrode driving chips, wherein each source electrode driving chip can output a first data signal; a time schedule controller which can perform communication matching with the plurality of source electrode driving chips according to a preset communication protocol, and can output a matching signal according to a communication matching result; and a control circuit which can receive the matching signal and a first data signal output by the at least one source electrode driving chip, and output a control signal to the pixel circuit according to the first data signal and the matching signal. According to the invention, overlarge load can be prevented.

The invention discloses a new type of electronic lock, which includes a lock body, an electric handle, an outer lock head, an electronic key, and a clutch device. The clutch device includes a buffer device and a spring-guided clutch device. The buffer ring of the group drives the connecting pipe shaft to rotate after buffering, and the spring is compressed when the lug rotates, thereby driving the sliding sleeve to slide to cooperate with or separate from the outer lock head to realize the clutch function, and the use of the clutch device and the motor can be improved through the buffer device The service life is long, and the elastic compression performance of the spring is used to ensure the reliability of the connecting boss at the front end of the sliding sleeve and the slot of the outer lock head, and to prevent the locking of the connecting boss at the front end of the sliding sleeve and the slot of the outer locking head It cannot be disengaged, and when the lug rotates to the end of the spring, the spring wire of the spring can be slid out, so that the motor can run idling without stopping, avoiding excessive load when the motor rotation is suddenly stopped, ensuring the service life of the motor and controlling And unlocking are convenient and reliable.

The invention relates to the technical field of monorail cranes, and in particular relates to a flameproof and intrinsically safe speed regulation control box control system for a storage battery monorail crane. The system comprises a monitoring unit, a data analysis unit, a main controller, a display, a control key, power motors, a hydraulic telescopic rod I, a hydraulic telescopic rod II, a database and a memory, the database is used for recording forward turning radius node values, the monitoring unit is used for detecting the operation state of the power module of the monorail crane and transmitting obtained data to the data analysis unit, and the data analysis unit is used for comparing and analyzing the obtained data with data in the database. In the invention, the main controller is used for controlling the rotating speeds of two power motors respectively and accelerating the power motor on the low-speed side, so that the side with high pressure is prevented from bearing an overlarge load, and the service lives of the power motors and the storage battery are prolonged.

A vibration damping method on a vehicle wheel suspension is provided in which, in a hydraulic vibration damper, the damping force increases highly progressively as a function of the piston speed, especially in the range of a piston speed of essentially 0 to 2 m / s, increasing at first slowly and essentially linearly and then especially beyond a piston speed of essentially 2 m / s increasing highly progressively.