30results about How to "Reduce the amount of design" patented technology

The invention discloses a method for controlling forging deformation of a complex plate-like die forging. By setting step structures on a preform model and a final forging model, when the forging is formed, about the step structure corresponding to a final forging forming die and the step structure provided on the preform model, two or more deformation fulcrums are formed between the final forgingforming die and the perform at the corresponding step structure position. By providing a plurality of deformation fulcrums on an insufficient deformation area, the deformation amount of the insufficient deformation area can be greatly increased when forming the perform, thereby greatly reducing the design amount of the forging remaining blocks, reducing the raw materials required for the forging,and reducing the forging cost while ensuring the deformation amount during the forming process of the forging.

The invention discloses a self-adaptive steering gear, a self-adaptive steering structure and a construction method.The self-adaptive steering gear comprises N steering blocks, N-1 positioning blocks and M flexible guide pipes, the steering blocks are provided with pipelines matched with the flexible guide pipes, each positioning block is provided with at least one hole channel matched with the corresponding flexible guide pipe, and each hole channel is provided with N holes matched with the corresponding flexible guide pipe. The positioning blocks are arranged between the adjacent steering blocks through the flexible guide pipes; wherein N is a positive integer greater than 1, and M is a positive integer greater than 0. According to the self-adaptive steering gear, the self-adaptive steering structure and the construction method, modular design is adopted, universality is high, factory manufacturing can be achieved, and splicing can be achieved on a construction site according to requirements; the positioning blocks for positioning the steering blocks are additionally arranged between the adjacent steering blocks, so that a space for bending can be reserved between the adjacent steering blocks, and the self-adaptability of the whole steering structure is realized.

The invention provides a strip-type goaf control filling key parameter design method, which comprises the following steps that 1, coal and rock mass sampling is carried out on a left coal pillar in a strip-type goaf, physical and mechanical parameters of the coal and rock mass are obtained through testing, and the physical and mechanical parameters comprise the breaking and expanding coefficient of coal and the angle of repose of an accumulation body; 2, determining the maximum stripping depth of the left coal pillar according to the measured physical and mechanical parameters of the coal-rock mass; 3, determining the safety coefficient of the left coal pillar according to the maximum stripping depth of the left coal pillar; 4, whether filling treatment needs to be conducted on the goaf or not is determined according to the safety coefficient of the left coal pillar, and a filling treatment mode and control filling parameters are determined; according to the method, the bearing performance of the coal pillars left in the goaf is fully utilized, the filling effect of the strip type goaf is improved, and the filling cost of the strip type goaf is reduced.

An embedded motion control card based on an ARM chip in the technical field of motion control card design. In the present invention, the main control module is connected to the FPGA module, the expansion interface module, the memory module, the watchdog and the reset system module, and the power supply module respectively. The FPGA module is connected to the system clock module, GPIO module, JTAG interface module, dual-port communication module, DA module, and AD module respectively. The dual-port communication module is connected to the host computer through the PC104 bus module, and is responsible for the communication between the main control module and the host computer. Communication; the input and output signals in the DA module, AD module, and GPIO module are connected through the input and output signal interface modules and external servo drivers and switches; the present invention adopts the ARM microprocessor as the core component to realize high-speed and high-precision motion control. The number of components is reduced, the size is reduced, and the FPGA module is used to decode and plan the hardware address.

The invention discloses an integrated type traction winch system for a container framework. The integrated type traction winch system comprises a container type framework, a cable storage mechanism, acable discharge mechanism, a traction mechanism and a cable outlet slide wheel, wherein the cable storage mechanism comprises a cable storage drive motor and a cable storage unit; the cable storage drive motor is fixedly arranged on the container type framework; the cable storage unit is in pivotal connection in the container type framework; the output end of the cable storage drive mechanism isin transmission connection to the cable storage unit; the cable discharge mechanism is fixedly arranged in the container type framework, and is positioned at one side of the cable storage unit; the traction mechanism is positioned at one side of the cable storage mechanism, and comprises a traction drive motor and a tractor; the traction drive motor is fixedly arranged on the container type framework; the tractor is in pivotal connection in the container type framework; the output end of the traction drive motor is in transmission connection to the tractor; the cable outlet slide wheel can berotatably arranged on the container type framework; and a cable can sequentially pass through the cable discharge mechanism, the tractor and the cable outlet slide wheel to be discharged from the cable storage unit.

The invention provides a method for designing key parameters of strip-type goaf control filling. The method comprises the following steps: Step 1. Sampling the coal and rock mass left over in the strip-type goaf, and testing to obtain coal rock mass The physical and mechanical parameters of the body, the physical parameters include the disintegration coefficient of coal and the angle of repose of the accumulation body; step 2, determine the maximum stripping depth of the remaining coal pillar according to the physical and mechanical parameters of the measured coal rock mass; step 3, according to the remaining The maximum peeling depth of the coal pillar determines the safety factor of the remaining coal pillar; step 4, determines whether the goaf needs to be filled and treated according to the safety factor of the left coal pillar, and determines the filling treatment method and control filling parameters; the method of the present invention makes full use of the goaf The bearing performance of the remaining coal pillars in the area improves the filling effect of the strip goaf and reduces the filling cost of the strip goaf.

A tyre mounting / demounting tool assembly for a tyre mounting / demounting machine comprises a carrier unit (100) having a first as well as a second end (112, 114) and being provided with first support means (120) for receiving a bead breaker tool (200) and second support means (130) for receiving a mounting support tool (300), a bead breaker tool (200) for loosening the tyre bead (TB) from the rim edge (RE) of a wheel (W), having a first as well as a second end (202, 204), the first end (202) is provided with at least one bead breaker tool element (210) and the second end (204) is adapted to be mounted to the carrier unit (100) via the first support means (120), and a mounting support tool (300) for supporting the mounting of at least one tyre bead (TB) of a tyre (T) to be mounted on a rim (R), the mounting support tool (300) having a first as well as a second end (302, 304), the first end (302) is provided with a mounting support tool ele-ment (310) and the second end (304) is adapted to be mounted to the carrier unit (100) via the second support means (130). The shape of the bead breaker tool element (210) and the shape of the mounting support tool (300) are at least partially congruent to each other.

The invention is a small barcode decoding device, the shell is set in a flat shape, and the thickness is reduced. The housing is provided with an illumination window that deflects toward the lens opening, which can guide the illumination light source to the front of the imaging component, which is beneficial to the imaging of the barcode in the barcode image, and can meet the barcode image acquisition without setting a separate illumination lens lighting needs, thereby reducing the size of the illuminated area. The lens opening is also equipped with a stepped circular concave, which can resist the diffuse reflection of more stray light, making the image more pure when the lens collects barcode images. The main control chip itself has the ability to decode barcodes without calling a separate stored decoding program, which improves the decoding speed of barcodes and reduces the amount of device design, thereby reducing the area of ​​the circuit board and ultimately reducing power consumption.

The invention provides a room-pillar goaf control filling key parameter design method. The method comprises the following steps of 1, carrying out coal and rock mass sampling on a left coal pillar in a room-pillar goaf, testing to obtain the physical and mechanical parameters of the coal and rock mass, wherein the physical and mechanical parameters comprise the breaking and expanding coefficient of coal and the angle of repose of an accumulation body; 2, determining the maximum stripping depth of the left coal pillar according to the measured physical and mechanical parameters of the coal-rock mass; 3, determining the safety coefficient of the left coal pillar according to the maximum stripping depth of the left coal pillar; 4, determining whether filling treatment needs to be conducted on the room-pillar type goaf or not according to the safety coefficient of the left coal pillar, and determining a filling treatment mode and the filling treatment control key parameters.According to the method, the bearing performance of the remaining coal pillars in the goaf is fully utilized, the filling effect of the room-pillar type goaf is improved, and the filling cost of the room-pillar type goaf is reduced.

The invention discloses an off-axis multi-reflection optical system design method based on a space coordinate transfer matrix, belonging to the technical field of optical design. This method establishes the initial coordinate system and reference coordinate system of each reflector; selects characteristic rays, establishes the input-output relationship between each reflector, and records the intersection point between the characteristic rays and each reflector as a feature point; The method realizes the transmission of light characteristics in the off-axis multi-reflection optical system; finally, the pose of each mirror in the off-axis multi-reflection optical system is obtained by fitting. The invention uses the space coordinate transfer matrix theory to design the optical system, which is beneficial to the integrated design, processing and system assembly and adjustment of the optical system.

The invention discloses an output overvoltage protection circuit for a storage battery discharge regulator, and aims to solve the problem that it is difficult to position a fault module and perform protection in an output overvoltage state by the storage battery discharge regulator which consists of multiple shunt-wound, mutually-independent and totally-consistent storage battery discharge regulation modules. Instead, the output overvoltage protection circuit provided by the invention can realize output overvoltage protection on the storage battery discharge regulator by fault positioning through a step of determining the output current of each shunt-wound storage battery discharge regulation module in the output overvoltage condition. According to the method, the output overvoltage protection circuit adopts a resistor, a capacitor, an integrated operational amplifier and other conventional components, and the functions of fault positioning, overvoltage protection, state locking and unlocking and the like are realized; meanwhile, the circuit is simple and creative, wide in adaptability, small in scale, low in complexity, low in implementation cost and high in reliability; in addition, the signals needed to be processed are simple; the circuit can be reused with other protection circuits; and a digital logic device and a digital storage chip are not required.

The invention discloses a method for controlling the amount of forging deformation of a complex plate-type die forging. By setting a step structure on the preform model and the final forging model, when the forging is formed, the corresponding step structure of the final forging forming mold and the preform The step structure set on the model forms two or more deformation fulcrums at the corresponding step structure positions between the final forging forming die and the preform; by setting multiple deformation fulcrums in the insufficiently deformed area, the prefabrication can be greatly increased. The amount of deformation in the area where the deformation amount is insufficient during billet forming can greatly reduce the design amount of the remaining block of the forging while ensuring the amount of deformation during the forming process of the forging, reducing the raw materials required for forging forging and reducing the forging cost.

The invention discloses a window frame corner splicing material, which comprises a main window frame sectional material, a sub window frame sectional material and a corner sectional material, wherein the width of the main window frame sectional material is greater than the width of the sub window frame sectional material; the corner sectional material consists of a main sectional material and an auxiliary sectional material; each of the main sectional material and the auxiliary sectional material has more than one model; the main sectional material and the auxiliary sectional material form a dismountable connection structure; a first clamp groove anastomotic with the sub window frame sectional material is formed in the auxiliary sectional material; a second clamp groove is formed in the main sectional material and the auxiliary sectional material; and the second clamp grooves and the main window frame sectional materials are mutually anastomotic. The window frame corner splicing material has the advantages that the corner sectional material is formed by combining the main sectional material and the auxiliary material; the main sectional materials and the auxiliary sectional materials of different specifications can be selected according to the dimension of a main window frame and a sub window frame; the model number of the sectional materials is reduced; the design quantity is reduced, so that the design cost is reduced; and the waste reduction is also facilitated.

The invention discloses an intelligent interface device of a digital transformation substation switch, which comprises the following functional plug-ins: an AC sampling board which can be accessed into voltage, current and related direct current component of the switch; a POWER power supply communication board which is accessed into a power supply for realizing network sharing of sampled data, tripping and closing operation and alternate locking of a GOOSE network, communication with a background and a dispatcher and access of the state monitoring quantity of the switch; an I / O board which isused for the access of the traditional switching quantity and the state quantity and the outward control and operation; an OPA operation panel which can realize the control of a tripping and closing coil of the switch and the locking function; and a CPU board which is used for realizing the functions of data calculation, logic judgment, outward communication, liquid crystal communication and the like of the device and simultaneously has the function of a bus backboard, wherein all the boards are inserted in the bus backboard; and a liquid crystal board, wherein the data display of the liquid crystal board is connected with the CPU through a serial port. The device can realize the intelligentization and the digitalization of the switch, reduce the using number of equipment and reduce the cost.

The invention provides a key parameter design method for controlled filling of a room-and-pillar goaf. The method comprises the following steps: Step 1. Sampling the coal and rock mass left over in the room-and-pillar goaf, and testing to obtain the coal rock The physical and mechanical parameters of the body, the physical parameters include the disintegration coefficient of coal and the angle of repose of the accumulation body; step 2, determine the maximum stripping depth of the remaining coal pillar according to the physical and mechanical parameters of the measured coal rock mass; step 3, according to the remaining Determine the safety factor of the remaining coal pillar by the maximum stripping depth of the coal pillar; step 4, determine whether it is necessary to fill the room-and-pillar goaf according to the safety factor of the remaining coal pillar, and determine the filling treatment method and the key filling parameters for the control of filling treatment. The inventive method makes full use of the bearing capacity of the left coal pillar in the goaf, improves the filling effect of the room-and-pillar goaf, and reduces the filling cost of the room-and-pillar goaf.

An FPGA-based multi-mode HDLC controller relates to the field of data communication. It solves the problem that each module in the HDLC controller implemented by FPGA is simply described sentence by sentence through HDL, which leads to complex design, cumbersome debugging and single function. The FPGA of the present invention includes an HDLC protocol transmission unit, a data cache unit and a main control unit; the HDLC protocol transmission unit includes an HDLC data transmission module and an HDLC data reception module; when the controller is used to send HDLC data to a device communicating with it, the HDLC data transmission module Convert the written parallel data into serial data, and encode the serial data into HDLC frames. When the controller is used to receive the HDLC data sent by the device communicating with it, the HDLC data receiving module converts the received serial data into Parallel data, and decode the parallel data. The invention is mainly used for data communication.

The invention relates to the technical field of machine tool manufacturing, in particular to a novel structure for a chain plate scrap removing device and a manufacturing technology of the novel structure. The novel structure for the chain plate scrap removing device comprises a machine head module, a right side, a left side, lifting section bottom sheet metal, horizontal section bottom sheet metal, tail arc sheet metal and a side plate. The machine head module is welded to the upper end of the lifting section bottom sheet metal. The horizontal section bottom sheet metal is welded to the lower end of the lifting section bottom sheet metal. The tail arc sheet metal is welded to the lower end of the horizontal section bottom sheet metal. The left side and the right side are made of bow-shaped sheet metal materials. Structures of the left side and the right side are symmetric, and the left side and the right side are symmetrically welded to the two sides of the lifting section bottom sheet metal and the two sides of the horizontal section bottom sheet metal. The novel structure for the chain plate scrap removing device is small in number of parts, convenient to manufacture and high in production efficiency and has good practical value.