28 results about "Single area" patented technology

The invention relates to the technical field of punching machine control, in particular to a punching machine control method based on complex blanking, which comprises the following steps of: dividing a punching part into a plurality of areas according to an initial contact area of a male die, and determining a transition area for a single area so as to determine the qualification of a die gap of a punching machine; a height stability characterization value is determined based on the judgment result that the die gap is qualified so as to adjust the pressure gradient of a punching machine, or the thickness of an equal-height gasket is adjusted according to the root circle radius of burrs on the cut surface based on the judgment result that the die gap is unqualified; determining a fillet curvature mean value based on the adjusted punching process to determine whether the rate gradient of the punching machine is qualified; adjusting a first rate at the initial stage of stamping or a second rate at the middle stage of stamping based on the judgment result that the rate is unqualified; and flaw detection is conducted on the stamped workpiece, and the optimized gradient adjustment coefficient or the rate correction coefficient is determined according to the feather degree. The machining precision of the stamping part is improved.

The invention relates to an intelligent cutting method and system based on foam board machining, and relates to the field of intelligent production technology.The method comprises the steps that the machining demand capacity of current machining areas is obtained; defining a cutting head of which the working effective capacity comprises the machining demand capacity as an effective cutting device of the machining area; an effective cutting device is randomly selected from each machining area to serve as a simulation use device, and a simulation use scheme is constructed; performing combination according to the processing areas corresponding to the same simulation use device in the simulation use scheme to construct a monomer area set; according to each processing area in the monomer area set and the corresponding simulation use device, determining monomer processing duration; defining the monomer processing duration with the maximum value as scheme processing duration; and defining the simulation use scheme corresponding to the scheme processing duration with the minimum numerical value as an efficiency use scheme, and carrying out cutting operation according to the efficiency use scheme. The cutting device has the effect of improving the overall cutting efficiency of the foam board.

The invention relates to the technical field of digital product renting, in particular to a renting method for electronic digital products, which comprises the following steps: periodically counting the renting quantity, the returning quantity and the damaged quantity of products in each area; determining a fluctuation parameter for the single region; determining whether the lease management of each region is qualified one by one; according to the lease management judgment result of each region, whether various types in each region are subjected to product scheduling or not is determined, the fluctuation state of lease and return conditions in the lease management process is monitored, and when it is determined that lease management of a single region is unqualified, product scheduling is performed on a single type, so that the lease management efficiency is improved.

The invention provides a method for controlling the wall thickness of a large-diameter conical high-density grid. The method comprises the following steps: sensing initial static deviation; initial static deviation elimination: executing a measurement program based on a measurement compensation device, and controlling each point location to carry out space translation along the direction of the cutter shaft according to a preset thickness so as to obtain a new milling track; process static deviation sensing is carried out, milling is carried out according to a new milling track, and a single area is divided into a plurality of areas again by executing clustering operation; and process static deviation elimination: performing layered milling on the plurality of divided areas, measuring the grid wall thickness during milling of each layer, comparing the generated wall thickness deviation with a first process static deviation elimination threshold value, and judging whether to trigger an intervention process static deviation elimination program or not according to a comparison result until the target wall thickness is met. According to the method, the deviation between most of the reference and the milling track in the high-density grid milling procedure can be realized, so that the wall thickness precision of the high-density grid is greatly improved.

The invention provides an intelligent building integrated construction platform and a construction method thereof. The intelligent building integrated construction platform comprises a movable platform, an auxiliary guide rail and a lifting mechanism. The mobile platform comprises a bottom plate and a guardrail, and the guardrail is arranged on the bottom plate; the top of the bottom plate comprises two cargo carrying areas and a manned area, and the two cargo carrying areas are located on the left side and the right side of the manned area correspondingly. Each cargo carrying area comprises four vertically-telescopic top supporting structures and a first top plate, the four vertically-telescopic top supporting structures are arranged on the bottom plate at intervals, the first top plates are fixedly connected between the tops of the top supporting structures, and the first top plates are made of flexible materials; according to the intelligent building integrated construction platform, local point loads of goods can be converted into surface loads, one first top plate is transmitted to a plurality of first top plates through hinging, and overload of a single area is avoided.

The utility model relates to the technical field of hermetia illucens breeding, and discloses a feeding mechanism for hermetia illucens breeding, which comprises a feeding frame and a breeding disc, a feeding frame is fixedly mounted at the top of the feeding frame, a mounting frame is fixedly mounted on the front side of the feeding frame, a movable feeding assembly is fixedly mounted on the front side of the mounting frame, and a feeding hopper is fixedly mounted on the feeding frame. A conveying assembly is fixedly installed at the top of the throwing frame, a groove is formed in the top of the throwing frame, and a limiting assembly is fixedly installed at the top of the throwing frame. According to the throwing mechanism for hermetia illucens breeding, through cooperation of a lead screw and a sliding seat, when moving is needed, a first motor can be started to enable the lead screw to rotate, then the sliding seat moves left and right above a limiting rod, an upper assembly can be driven to move left and right, and raw materials or feed can be thrown into hermetia illucens in a breeding disc; and internal uniform feeding can be achieved, waste of raw materials or feed caused by too much feed or raw materials in a single area is avoided, practicability is high, and application and popularization are convenient.

The utility model discloses a toy for children. Comprising a base, a colored ball group and at least two clamping plates, the base is provided with a blanking groove, the blanking groove is located at the front end of the base to form an exposed discharge port, the upper end of the base is provided with a wobble plate, the wobble plate is provided with a hole site, the hole site is communicated with the blanking groove, and the colored ball group is composed of balls of different colors. Each clamping plate is provided with color blocks with different colors and area blocks drawn with an X shape, the color blocks and the area blocks on each clamping plate are different in layout, and the clamping plates are inserted into the bottom of the wobble plate, so that each hole site in the wobble plate corresponds to a single color block or a single area block on the clamping plate. According to the utility model, different color layouts can be changed according to the replacement of the clamping plates, so that the interestingness of games is effectively increased, and the advantage of lasting playing is achieved; and meanwhile, the balls can be recycled in one step by directly pulling out the clamping plate, and the overall operation is very simple.

The present application provides a transition path planning method, device, electronic device and storage medium, which relate to the field of path planning technology. The method includes: determining transition related information, the transition related information including the area map, area size and door frame information of two adjacent areas; based on the transition related information, determining the transition path from the previous area of ​​the two adjacent areas to the next area; based on the machine operation posture in the two adjacent areas and the transition related information, determining the transition posture of the two adjacent areas; determining the area path in the next area to complete the transition path planning of the two adjacent areas. According to the structural characteristics of the robot and the characteristics of the transition area, the method plans the optimal path and the posture of the robot for transitioning between the two areas, connects the paths of the front and back areas, and combines the single area automatic path planning algorithm to realize the transition operation in the user-specified area, thereby improving the transition efficiency.

The utility model discloses an anti -extruding round -hole plastic board structure, including the substrate, its inside is provided with several groups of round holes, several groups all present the aperture setting of gradual change, and the stress distribution of base material is effectively optimized through the gradient structure design of gradual change aperture, avoid the problem that stress concentrates in single area in traditional uniform aperture design, the risk of deformation because of partial stress is too big is reduced significantly, the anti -extruding stability of base material whole is promoted, secondly, the integral forming setting of round hole edge reinforcing structure and the substrate, the structure intensity of this stress sensitive area of round hole periphery is directly enhanced, in addition, through the staggered reinforcing rib of integral forming of the top and bottom of the substrate, the stress support system of all -round is constructed, when facing the concentrated load or uneven extrusion, the force can be passed to the more extensive area through the reinforcing rib, and the overall anti -deformation ability and structure rigidity of the substrate are further improved.

The invention belongs to the technical field of gas production well mouths, and particularly relates to a sand-prevention filtering gas production well mouth device and a Christmas tree, the sand-prevention filtering gas production well mouth device comprises a shell, supporting plates are symmetrically arranged on the inner wall of the shell, the supporting plates are attached to the shell, and an annular filtering plate is fixedly installed between the supporting plates; a plurality of partition plates are evenly arranged on the outer side of the annular filter plate and attached to the inner wall of the shell, and a driving assembly is arranged on one side of the shell. Natural gas must penetrate through the annular filter plate in the process of entering from the bottom of the shell and discharging from the top of the shell, sand and impurities in the natural gas can be fully intercepted through the design, the annular filter plate is divided into a plurality of independent areas by the partition plates, and the driving assembly drives the annular filter plate to rotate, so that all the areas participate in filtering work in sequence; according to the circulating filtering mode, the situation that a single area bears filtering pressure for a long time is avoided, the local blocking phenomenon is effectively prevented, and filtering is conducted in each area in a relatively easy state.

The invention provides a fireproof partition design method suitable for a continuous space in a public building. The fireproof partition design method comprises the following steps that S1, the boundary range of the continuous space in the public building is recognized; s2, combustible parameters in the boundary range are determined; s3, counting the total fire load in the continuous space according to the combustible parameters; s4, according to the space clear height and the total fire load, determining the division number of fire partitions; s5, calculating a fire numerical value of the divided fireproof subareas; s6, determining the fireproof level of the divided fireproof subareas according to the fire numerical value; s7, providing fireproof measures corresponding to different fireproof levels of the fireproof subareas according to the different fireproof levels of the fireproof subareas; s8, verifying the effectiveness of the fireproof partitions and the fireproof measures thereof through numerical simulation; according to the method, the space clear height and the total fire load are selected as design indexes, compared with a single area index, the fire risk in the building can be directly and accurately represented, and more scientific and reasonable technical guidance can be provided for building fire partition division.

The utility model relates to the technical field of concrete, and discloses an intermittent concrete mixing plant which comprises a base body, a mixing barrel is arranged above the base body, a rotating column is arranged in the mixing barrel, a plurality of baffles distributed circumferentially are fixedly connected to the outer surface of the rotating column, a rotating disc is rotationally connected to the front face of the mixing barrel, and the rotating disc is fixedly connected with the base body. The rotating column is fixedly connected with a rotating disc, and the inner wall of the rotating disc is rotationally connected with a plurality of rotating rods distributed in the circumferential direction. According to the intermittent concrete mixing plant, a plurality of baffles are arranged, so that a mixed material fed into the mixing barrel can be independently distributed, the mixed material flows in the mixing barrel under the pushing of the baffles, and the mixed material in an area can be independently stirred by matching with a stirring rod; and the mixed liquid is sprayed into the single area, so that the mixed materials in the stirring barrel can be quickly mixed, the mixing speed is increased, and the mixing can be more uniform.

The invention discloses a rapid organization construction method for small units in a limited space, which comprises the following steps of: S1, adjusting an original through cabin pouring scheme of a water turbine layer and a generator layer into separated cabin pouring, and preferentially and independently pouring a No.1 unit area and a No.2 unit area; s2, performing structure review calculation on the basis of the original design, and compiling a calculation report; a regional construction mode is adopted, a supporting column strengthening structure is additionally arranged, the single-time concrete pouring amount is reduced, the large-size concrete construction difficulty is lowered, the quality problems such as cracks are reduced, resource allocation is more flexible, waste caused by concentrated input is avoided, the resource utilization rate and the structure construction quality can be improved, and the construction cost is reduced. Construction risks are dispersed to a plurality of independent areas, the problem of a single area does not affect the overall project progress, the project risk resistance is improved by combining real-time monitoring of structural deformation in the construction process, and the project reliability is superior to that of a traditional construction method.

The utility model belongs to the technical field of marine deposition dynamics in-situ monitoring, and particularly relates to a portable coral reef site sediment flux monitoring device which comprises a support, a turbidity monitoring mechanism, a wave tide monitoring mechanism, a flow velocity monitoring mechanism and a collecting mechanism. The frame is of a cuboid frame structure. The side plates are fixedly arranged on the front and rear sides of the frame; the turbidity monitoring mechanism is fixedly arranged at the top of the frame; the wave tide monitoring mechanism is fixedly arranged at the bottom in the frame; the flow velocity monitoring mechanism is arranged on the top of the frame. The collecting mechanisms are arranged on the front side and the rear side of the support respectively and comprise outer sleeves, inner sleeves, connectors, collecting bottles and connecting assemblies. The device is used for sediment capture and hydrodynamic parameter synchronous observation, can solve the technical problems that an existing monitoring device is difficult to arrange, single in function and has errors in spatio-temporal data registration, is easy to arrange and recycle and convenient to carry, can achieve multi-data collection in a single area, and improves spatio-temporal data matching performance and precision.

The fabric comprises an inner layer and a surface layer from inside to outside, the surface layer comprises a first area and a second area, the first area and the second area are distributed in a shape like a Chinese character'tian ', the inner layer comprises a third area and a fourth area, the third area and the fourth area are distributed in a shape like a Chinese character'tian', and the first area corresponds to the third area up and down. The second area corresponds to the fourth area vertically, and the surface layer and the inner layer are connected through sewing. The nano fibers and the polyester fibers are interwoven to form the two areas, the two areas intersect with each other, so that the area of a single area is reduced, the surface tension of the whole fabric is reduced due to the fact that the two areas intersect with each other and are combined with the organization structure of the fabric, permeation and attachment of stains are facilitated, and the fabric is comfortable to wear. Two areas are formed on the surface layer through the loofah fibers, so that gaps between the yarns in the two areas are different, the nanofibers are protected, and primary decontamination is formed at the same time.

The utility model discloses a flame -retardant prevents the leakage's phase change constant temperature blanket, including bottom layer, the bottom layer is by the aluminium foil of outer layer and the high molecule film of inner layer compositely bonded and is formed, the four around of bottom layer is equipped with the edge pressing, and inside is formed with the packing space, be equipped with the phase change layer in the packing space, the surface layer is equipped with one side to bottom layer of phase change layer back, bottom layer, phase change layer with surface layer between form a constant temperature blanket, outer frame, the outer frame sets up in the outer periphery of constant temperature blanket, and the corner of outer frame all is equipped with the notch, any one the notch all is equipped with the locating post, between adjacent outer frame. The utility model has the beneficial effect of: solve the phase change constant temperature blanket in the prior art, all adopt the overall structure, and the installation process is more complicated, and after cutting, easy to influence the leakproofness, after the installation is completed, subsequent also inconveniently replaces or maintains to the single area, in the virtual, reduced the constant temperature blanket work efficiency's technical problem.

To provide a field registration method, a field registration system and a field registration program, capable of managing a work area where work is performed by dividing into a plurality of discontinuous periods as a single area.SOLUTION: The field registering method includes extracting (S504), as an extracted work region (81), a work region satisfying a predetermined extraction condition among work regions which are represented by work region information stored in a work region information storage portion (432) and in which a working device (2) performing work while moving is estimated to have performed the work, receiving (S506) an operation of selecting at least a part of the extracted work region (81) as a selected work region (82) by a user, and registering (S404), as a registered field (85), a registered candidate field (84) whose position and range are calculated based on a set of the selected work region (82) in a registered field information storage portion (433).SELECTED DRAWING: Figure 4

The utility model belongs to the technical field of medical instruments, and discloses a closing clamp and an installation device thereof, the closing clamp comprises a plastic hinge, the plastic hinge is provided with a small window and through holes, and the through holes are arranged at the folding positions of the two ends of the small window, in the embodiment of the utility model, the plastic hinge of the closing clamp is provided with the small window, and the folding positions of the two sides of the small window are hollowed through the through holes. The design of the small window aims to provide additional structural support and flexibility, and especially when the closing clamp needs to adapt to tissues of different shapes and sizes, the small window can enable the closing clamp to be more flexible in the closing process, and direct pressure on the plastic hinge is reduced. Through holes are dug in the closing positions of the two ends of the small window so as to reduce stress concentration generated on the plastic hinge when the closing clamp is closed, stress can be effectively dispersed through the design, too large stress is prevented from being generated in a single area, and therefore the risk that the closing clamp is broken in the operation process or after implantation is reduced.

The utility model is suitable for gravity material rack technical field provides a kind of gravity material rack structure with process state partition, it includes: bottom plate, the top of bottom plate is fixedly installed with first support plate and second support plate, the first support plate and the second support plate are respectively fixedly installed with second material rack and fourth material rack, the side of fourth material rack is fixedly installed with the first baffle for blocking material box.This scheme provides the gravity material rack structure with process state partition solves the technical problem that current gravity material rack can only transport goods to single area, and then when material box needs to circulate between three processes, at least two gravity material racks are used, leading to the technical problem that empty material box cannot be transported back at one time.

The utility model discloses a double-layer rotor scale which comprises a scale body, the interior of the scale body is of a cavity structure and is provided with a bin partition plate, the bin partition plate divides the scale body into an upper cylinder and a lower cylinder in the vertical direction, the bin partition plate is provided with a communicating hole for communicating the upper cylinder and the lower cylinder, and the communicating hole is of a fan-shaped structure concentric with the bin partition plate. And at least two separation strips are uniformly arranged in the opening area of the communication hole and are arranged in the radius direction of the communication hole of the fan-shaped structure. According to the utility model, the separation strips are arranged on the communication holes, so that powder cannot be stacked in a single area like a single communication hole structure in the process of reaching the lower barrel from the upper barrel to the lower barrel from the communication holes, and can be stacked in each area separated by the communication holes under the action of the separation strips; the height of the highest point of the powder stacked in the lower barrel in the partitioned mode can be reduced, the risk that the powder intrudes into the upper barrel is reduced, and then the accuracy of the powder metering and conveying process is improved.

The present application relates to the technical field of workpiece clamping, and discloses a multi-specification workpiece clamping and feeding mechanical hand for a PVD nanometer coating production line, which comprises a supporting and regulating mechanism, a clamping mechanism is installed on the supporting and regulating mechanism, a plurality of clamping mechanisms constitute a first clamping group and a second clamping group, the contact positions of the first clamping group and the workpiece and the contact positions of the second clamping group and the workpiece are distributed at intervals; a first transmission mechanism is in transmission connection with the first clamping group; a second transmission mechanism is in transmission connection with the second clamping group; a variable-speed driving mechanism comprises a motor, the first transmission mechanism and the second transmission mechanism are sequentially actuated by using the variable-speed driving mechanism, the first clamping group and the second clamping group alternately clamp the workpiece in sequence, so that the clamping constraint borne by the workpiece is periodically transferred in space during the carrying process, which is beneficial to avoiding that the clamping stress is concentrated in a single area for a long time, and reducing coating cracking or workpiece creep deformation caused by local stress accumulation.

The utility model provides a protective device for mining machinery, which relates to the technical field of protective devices for mining machinery, and comprises a base plate, a storage groove is formed in the base plate, a fixed shaft is rotatably connected in the storage groove, a fixed frame is fixedly mounted on the outer surface of the fixed shaft, and the fixed frame is fixed on the base plate. A connecting frame is fixedly installed on the outer surface of the fixing frame, a plurality of sets of positioning holes are formed in the fixing frame, positioning blocks are slidably connected into the positioning holes, and protection plates are fixedly installed on the outer surfaces of the positioning blocks. And when the mining machinery in a single area is maintained or the protection plates are replaced, connection between the insertion rods and the connecting frames can be removed, at the moment, the protection plates at the positions where the insertion rods belong to can be removed, the function of opening the protection plates separately is achieved, and the protection plates can be operated according to the maintenance positions of different areas.

This utility model discloses a chain plate feeder with adjustable tension, relating to the technical field of chain plate feeders. It includes a vertical frame and a chain plate feeder body. The vertical frame is fixed to the top of the chain plate feeder body, and a first threaded groove is provided at the top of the internal part of the vertical frame. This utility model, by rotating the first threaded rod, drives the connecting plate and the spreading plate to adjust their height through the threaded connection with the first threaded groove. During use, the spreading plate can flatten the material accumulated on the surface of the chain plate feeder body, preventing excessive accumulation in a single area. Furthermore, the guide block can be fixed by the first bolt to improve structural stability. Simultaneously, by providing a front protective shell and a rear protective shell, which can be selectively installed and removed from the spreading plate, it can protect the spreading plate when transporting high-temperature or corrosive materials.

The utility model belongs to the technical field of classification management devices, and particularly relates to a classification management device for auditing, which comprises a cabinet body, self-locking universal wheels are symmetrically arranged at four corners of the bottom of the cabinet body, the cabinet body is divided into a plurality of independent areas, and loaded drawer boxes are arranged in the independent areas. And the lower part of the drawer box is fixedly connected with a drawing rod. The self-locking universal wheels at the bottom facilitate movement of the device, the position can be flexibly adjusted, independent areas divided inside are matched with the drawer box, audit data are stored in a classified mode, searching and management are convenient, the structures of the Z-shaped drawing rod, the guide rails, the check blocks, the limiting blocks, the clamping blocks and the like guarantee that the drawer box is pushed and pulled stably and prevented from sliding out, and the hollowed-out grooves of the drawer box facilitate ventilation. The identification box facilitates data identification, the ultraviolet lamp and the light sensor work cooperatively, the data can be automatically sterilized and disinfected, it is ensured that the data is safe and complete, and the audit data management efficiency and safety are comprehensively improved.

The present invention relates to a joining method for transmission welding, in which at least a first layer (1), a second layer (2), and a third layer (3) are arranged one above the other to form a composite component (15), and a press device (8) is applied to the first layer, and subsequently a mechanical pressure force (6) is exerted by the press device (8) on the first layer (1) and thereby also on the second layer (2) and the third layer (3). Radiation (5) emitted from a radiation source (4) is directed from the side on which the press device (8) exerts the pressure force (6) onto the at least three layers (1, 2, 3), wherein the press device (8) is transparent to the radiation (5) and at least the two layers (1, 2) facing the press device (8) are formed from a material transparent to the radiation (5).On at least two of the layers (1, 2, 3) at least one area (9) with an increased absorption capacity for the radiation (5) is formed on their surface and / or the radiation (5) is directed only selectively onto at least one single area of ​​one of the layers (1, 2, 3), such that the radiation (5) forms a welding lens (7, 10) in the area onto which it is directed for the local metallurgical joining of two of the layers (1, 2, 3) in such a way that the welding lens (7, 10) is transparent to the radiation (5) and subsequently the radiation (5) is directed through the welding lens (7, 10) onto an area (9) with an increased absorption capacity for the radiation (5) of an underlying layer (2, 3) and / or the radiation (5) is directed selectively onto at least one single area of ​​one of the underlying layers (2, 3) and a second welding lens (11) is formed there.

The invention discloses a flexible carton sealing device for packaging carton production and a carton sealing method, and relates to the field of packaging carton production, the technical scheme is that the flexible carton sealing device comprises a bottom plate, and is characterized in that a sliding plate is embedded in the bottom plate, the sliding plate is movably connected with the bottom plate, two placing units are arranged on the sliding plate, and a heating assembly is arranged on the outer side of one placing unit; the heating assembly comprises a cylinder, a square plate is arranged at the top of the cylinder and connected with the cylinder through a bearing, and a rotating unit is arranged on one side of the square plate and extends to the outer side of the cylinder. The moving unit can enable the first heating plate to move up and down, the first heating plate and the second heating plate are used for heating the thermal shrinkage bag so as to achieve packaging of a carton, and the first heating plate and the second heating plate move continuously, so that the thermal shrinkage bag can be heated more comprehensively, and the packaging efficiency of the carton is improved. And damage to the thermal shrinkage bag caused by excessive continuous heating of a certain position can be prevented, and the box sealing efficiency is guaranteed.

The utility model relates to a novel slitting machine that prevents the material belt from snapping, including unreeling machine, slitting module and reeling module, reeling module includes fixed plate, reeling machine, a plurality of locating wheel and a plurality of adjusting wheel, a plurality of locating wheel is rotatingly installed on fixed plate through first rotating shaft, and the axis of a plurality of locating wheel is parallel to each other pairwise, and the reeling machine is fixed on the fixed plate through the first rotating shaft. The multiple adjusting wheels are evenly distributed among the multiple positioning wheels, second rotating shafts are arranged on the multiple adjusting wheels in a penetrating mode, shifting rods are fixedly installed at the ends, away from the adjusting wheels, of the second rotating shafts, through holes are formed in one ends of the shifting rods, threaded holes are formed in the fixing plate, and the shifting rods are connected to the fixing plate through locking bolts in a bolted mode. And the axes of the multiple adjusting wheels are parallel to the axis of the positioning wheel, and the multiple positioning wheels and the multiple adjusting wheels are matched in a staggered mode, so that the material belt can be tightened through multiple times of adjustment while positioning of material belt winding is guaranteed, and the problem that the material belt is broken or deviates due to the fact that a single area of the material belt is stressed is solved.

The present application relates to digital product leasing technical field, especially relate to a kind of leasing method for electronic digital product, including, periodically statistics the quantity of product in each area, return quantity and damage quantity of leasing;Determine the fluctuation parameter for single area;Determine whether the leasing management of each area is qualified one by one;According to the leasing management determination result of each area, determine whether the various kinds in each area are scheduled, the fluctuation state of leasing and return in leasing management process is monitored, when determining that the leasing management of single area is unqualified, the product scheduling of single kind is carried out, improve the efficiency of leasing management.