581results about How to "Generalization" patented technology

The invention discloses an assembled integral building and a construction method thereof. The assembled integral building comprises a reinforced concrete wall and floor slabs, wherein the reinforced concrete wall is formed by hoisting and assembling prefabricated composite insulating wallboards integrally at a construction site; a board body of each prefabricated composite insulating wallboard comprises a structure layer, an insulating layer and a protective layer from the inside to the outside in turn; a reinforcement cage is arranged in the structural layer; steel meshes are arranged in the concrete of the protective layer; the structural layer, the insulating layer and the protective layer are anchored together by inserting connecting members in a dotted distribution; the left and right edges of the protective layer and the insulating layer protrude out of the structural layer; a lower edge of the protective layer extends downward to form a bulged opening; the top parts of the protective layer and the insulating layer upward protrude out of the structural layer; and an upper edge of the protective layer is provided with a notch which corresponds to the bulged opening of the prefabricated composite insulating wallboard adjacent to an upper layer. The building overcomes the defects of erecting shuttering on site, binding steel bars and concreting in a traditional construction method, speeds up the construction, and lowers the construction cost; and the construction quality of the building structure can be sufficiently guaranteed.

The invention discloses an assembled integral shear wall structure system and a construction method thereof. Prefabricated composite wallboards are hoisted and assembled integrally at a construction site; a board body of the prefabricated composite wallboards comprises a structural layer, an insulating layer and a protective layer from the inside to the outside in turn; a reinforcement cage is arranged in the structural layer; the insulating layer is an extruded polystyrene foam plastic board; steel meshes are arranged in the concrete of the protective layer; and anchor bolts in a dotted distribution are connected among the structural layer, the insulating layer and the protective layer. Vertical seams and horizontal seams of prefabricated composite walls adopt structural self-waterproofing, so that common quality problems such as leakage and cracks and the like in a traditional process are solved. The prefabricated composite walls simplify construction processes, speed up the construction, and lower the construction cost. Furthermore, products prefabricated in a factory have uniform specifications and unified quality, so that the construction quality of a building construction can be sufficiently guaranteed; the industrialization, standardization, and generalization of the building walls are realized; and the products can be widely applicable to the construction of reinforced concrete buildings in the construction industry.

The invention discloses an intelligent quality test management system and method of a WLAN (wireless local area network), wherein the method comprises the following steps that: the test mode of a test terminal is set; a service end judges the test mode, if the test mode is an automatic test mode, the service end issues a network quality test task to the test terminal by virtue of a mobile communication network, and the test terminal monitors the quality of the WLAN at a local WLAN access point according to the test task; if the test mode is a manual test mode, the test terminal carries out monitoring according to the manual operation of a user; and then, the test terminal reports monitored data to the service end by virtue of the WLAN; the service end carries out comprehensive analysis, statistic and analysis on the received monitored data and multi-network optimization data such as the network management platform of an operator, a daily maintenance test and the like, and estimates the network quality; and the network quality is shown multi-dimensionally by virtue of a map, a report form and a graph. According to the invention, the universalization of the test terminal, the real-time transmission of the test result and the intelligent analysis on the test result can be realized.

The vertical dual-shaft four-cylinder electrohydraulic servo testing machine comprises: a hydraulic pressure drive for dual-direction stress filed, a four-cylinder drive fit to any loading path, a differential close-loop servo system, a function generator fit to different waves, a position transfer device fit to assemble the test piece, a guide plate and linear rail to ensure co-shaft and avoid bending. This invention is very convenient.

The invention relates to a variable propeller pitch control system of a wind driven generator which is characterized in that the variable propeller pitch control system consists of a central control cabinet, a plurality of shaft cabinets connected in parallel and controlled by the central control cabinet as well as a group of DC motors and transmission devices which are singly controlled by each shaft cabinet; the central control cabinet includes a PLC control unit and a control interface. The PLC control unit of the system of the invention realizes the multiple functions of closing the loop at the rotating angle position of a blade, charge control for a battery, controlling the temperature of a box body, fault processing, etc. An upper computer transmits a single position signal to the PLC control unit; when an error does not happen or happens to the position signal, then the PLC control unit considers the error to be a fault and sends out a command duly to adjust the blade to a safe position, namely a feathering position, thereby simplifying the control procedure of the blade and increasing the running reliability of the blade; the driving of the blade is realized by the DC motor; the control characteristic is more stable due to linear control.

The invention provides a programming system and method for an industrial robot, which are used for visual, simple and general programming for the industrial robot. The programming system comprises a configuration programming environment module, a primitive conversion module and a postposition mapping conversion module, according to the command formats of different robot systems, the postposition mapping conversion module converts the source language command linked list mapping into different robot system commands, so that an industrial robot job file is generated. The programming method comprises the steps of entering the configuration programming environment; drag-and-drop programming; setting parameters; confirming the completion of programming, encapsulating and generating a component assembly list; defining an internal standard source language which describes component control and logical relation in a united way, calling the source language conversion module in the programming system, and an industrial robot programming file is converted from a component encapsulation format into a source language encapsulation format; and method further comprises a postposition mapping step.

The invention relates to a precast concrete wallboard and a preparation method thereof. A wall body has a structural layer and a protection layer from inside to outside, wherein the structural layer is internally provided with a reinforcement cage, and a reinforcement fabric is arranged in the concrete of the protection layer; the protection layer is connected with the structural layer through a transverse connecting reinforcement connected to the reinforcement fabric; the left edge and the right edge of the protection layer protrude out of the structural layer; the lower edge of the protection layer downwards extends out of a protruded port; and the top of the protection layer upwards protrudes out of the structural layer; the upper edge of the protection layer has a dent corresponding to the protruded port of the adjacent precast concrete wallboard on the upper layer; and the two ends of a transverse bar of the reinforcement cage protrudes out of the left side surface and the right side surface of the structural layer of the wall body and form two rows of transverse steel ties bending inwards. The wallboard has the advantages that the construction process is simplified, the construction speed is accelerated, and the construction cost is reduced. Meanwhile, products precast by a factory have uniform specification and quality, and thus, the construction quality of a building structure can be guaranteed sufficiently. The precast concrete wallboard can be widely applied to construction of concrete steel buildings in building industry.

The invention discloses a generalized intelligent check platform and a check method thereof, and the platform comprises a project construction module and an intelligent check module. The project construction module is used for managing a project library. The project library comprises at least one instantiation project. The project construction module comprises a business data unit, a business database unit, a business JavaBean unit, and a business rule unit. During the development and deployment of the check platform, the unrelated processing of business data and business check logic are is carried, the usability and stability of a system are improved and the development, operation and maintenance cost of the check platform are reduced. Furthermore, the platform supports different check application scenes, and the platform supports two check modes: in-event check and post-event check. The processing mode is different according to different check requirements of real-time performance, response speed and data size of a business check mode.

The present invention provides a general calibration system of an automobile electronic control unit and a realizing method thereof, which relates to the field of automobile electronic control. Based on configuration technique, the present invention adopts the idea that interface design is separated from system function design. The calibration system is divided into an editing environment part, an XML (extensive makeup language) configuration project file and a running environment part. The XML configuration project file is used as the middle layer of the calibration system for describing the graphical interface of the whole calibration system with a standard tree-like structure. The editing environment part is used for building a user interface model, making a calibration system interface and producing relative XML configuration project file. An XML file analyzer, data management and kernel communication are encapsulated in the running environment. The running environment part is connected with an electronic control unit (ECU) below, and monitoring and calibration functions are realized. The present invention realizes the interface customer making and reconfiguration of the calibration system, and meets the alteration and updating project requirements of the ECU. Meanwhile, the expandable and cross-platform XML project file can be reused on different operating system platforms, and the general utilization of the calibration system is improved.

A wind power gear box lubricating system suitable for an extreme condition comprises a main lubricating oil circulating cooling unit and an external circulating filtration and heating unit, wherein the main lubricating oil circulating cooling unit comprises a main lubricating unit variable-frequency motor, a screw pump, a mechanical pump, a temperature control valve, a main lubricating unit filtration system, an air cooling machine and a sensor, and the external circulating filtration and heating unit comprises an external circulating variable-frequency motor, a screw pump, an on-line cleanliness detector, an electromagnetic directional valve, an external fine filter, an external heater and a flow switch. The wind power gear box lubricating system has the advantages that due to the fact that the variable-frequency motors and the screw pumps are arranged, stable starting at a dead slow speed and under the low-temperature condition can be achieved, shutting down at a gradually decreasing speed can be achieved, automatic following under different conditions can be achieved, instant pressure impact generated when an electric oil pump starts at the low temperature can be effectively reduced, and the failure rate of the lubricating system can be lowered, the application range is expanded, the system response is more rapid, the adaptability, the generality, the safety and the reliability of the system are enhanced, energy is saved, the self-cleaning capacity of the lubricating system is improved, and the service life of oil products is prolonged.

The invention discloses a virtual machine technique based airborne software system testing general platform which comprises a user interface input part, a to-be-measured target machine full-system simulation part, an interface conversion and communication agent part and a test case pool. According to the invention, based on the virtual machine technique, full-system simulation for to-be-measured equipment is realized, then seamless operation of executable codes of software to be measured in the simulation environment is also realized, and the test software is adopted to realize the software system test platform. The testing general platform can avoid repeated development of test equipment to the utmost, shorten test period, improve test efficiency and reduce test cost.

The invention discloses a performance detector of a portable ultrashort wave frequency hopping station. The detector comprises a coupler which is connected with the station to be detected, and couplesa small part of signals which are transmitted by a high-power transmitting station to a radio frequency processing module through a coupling terminal; the a radio frequency processing module dividesa frequency range by various filters, and sends the obtained radio frequency signal frequency to a data acquisition card; the data acquisition card performs digital treatment on the obtained radio frequency signal frequency group; a control panel perfroms short time FFT transform on a baseband signal from the data acquisition card, calculates parameters, and sends the result to an external touch screen for display. Software radiotechnics is used to realize miniaturization, modularization and generalization and integrating part of functions of oscilloscopes, frequency spectrographs, modulationdomain analyzer and the like. The detector can realize automatic measurement of channel switching time, frequency hopping rate, frequency hopping bandwidth, frequency hopping frequency set and the like of shortwave and ultrashort wave frequency hopping stations.

The invention discloses horizontal filling equipment for missile encasement. The horizontal filling equipment comprises a missile horizontal propelling platform and a missile storage and transportation box lifting platform which are sequentially arranged in the missile filling direction, wherein the missile storage and transportation box lifting platform can achieve six-degree-of-freedom movementof a missile storage and transportation box, and the missile horizontal propelling platform can be used for achieving the adjustment of circumferential poses of the missiles for missiles with different models and different centering part positions in a simple, convenient and rapid mode, so that guide buttons of the missiles are enabled to be aligned with guide grooves in the missile storage and transportation box. According to the horizontal filling equipment for the missile encasement, through the cooperation between the missile horizontal propelling platform and the missile storage and transportation box lifting platform, a missile-borne guide rail on the missile horizontal propelling platform can be quickly aligned with a missile-borne guide rail on the missile storage and transportation box, so that the filling efficiency is improved, and the equipment has the advantages of being high in applicability, convenient to operate, high in filling precision and filling efficiency and thelike overall.

The invention provides a one-two-dimensional hydrodynamic coupling method based on a spatial topology. The method comprises the following steps: constructing a one-dimensional hydrodynamic model comprising a one-dimensional river network model for simulating the flow of a river network and a water-crossing structure, and a one-dimensional pipe network model for simulating the flow of a city pipe network; constructing a two-dimensional hydrodynamic model used for meshing the region within the compilation range and control line to be analyzed, interpolating the mesh according to the topography of the region, and assigning the mesh attributes; performing surface-to-surface two-dimensional model coupling for a river course and a surface according to the one-dimensional river network model andthe two-dimensional hydrodynamic model; according to the one-dimensional pipe network model and the two-dimensional hydrodynamic model, performing one-two-dimensional model coupling for the urban surface and underground. The invention provides a perfect coupling mode, which is adapted to different flood coupling calculation requirements. Flexible one-two-dimensional coupled generalization model can well solve the generalization of streams and streets flood discharge.

The invention discloses a queuing based remote sensing load universal data processing system, which is used for processing the same virtual channel data downloaded to multiple physical channels in a polarized multiplexing mode. According to the queuing based remote sensing load universal data processing system, queuing processing is added between unformatted processing and uncompressing processing, so that advanced orbiting system (AOS) transmission frames of the same virtual channel downloaded to multiple physical channels are sequentially restored to original load data, randomly transmitted AOS data frames of the virtual channel are restored completely according to different physical channels in the polarized multiplexing mode, the capacity in processing and interpreting remote sensing data is improved, and universalization of the overall process of processing is realized. In order to realize the queuing function, a virtual channel identifier in the AOS transmission frame and a characteristic byte of frame count are used for identifying transmission frames corresponding to the same virtual channel identifier, then the frame count is extracted, and queuing is performed according to the size of the frame count. The algorithm is simple and reliable.

The invention discloses a process apparatus for fixedly welding a camber profile frame, comprising at least three groups of parallel welding and positioning devices for supporting rectangular frames to be welded. The welding and positioning device comprises a base module (1) movably and fixedly connected with a universal platform, the base module (1) is respectively provided with a port positioning module (2) and a pressing module (3) for positioning the upper end face and the lower end face at two sides of the rectangular frame camber profile (5), the symmetrical central line of the base module (1) is further provided with a frame edge positioning module (4) used for flexibly positioning the two sides of the rectangular frame. By adopting the modularized assembly welding and positioning device with the combined structure, the large rectangular frame with the length of 10 meters and the camber profile are correctly positioned on the module, thereby realizing the replaceable performance of welding and positioning, the universalization of the platform, and the physical dimension seriation, the parameterization and the universalization of the welding and positioning module. The invention can be movably and fixedly connected with the universal platform, thereby greatly reducing the idleness ratio of tools and the space occupation during the idleness time.

The invention discloses a closing-in device of a joint bearing with a spherical surface, which comprises a pedestal comprising a base of a rectangular frame groove and a pressing plate which is fixedly connected to the upper end of the base of the rectangular frame groove, wherein the upper end and the lower end of the pedestal are provided with a closing-in type face pressing plate and double-acting rollers, which act on a closing-in face of the bearing in opposite directions, the closing-in type face pressing plate is provided with a groove of which the shape is consistent with the shape of the closing-in face of the bearing, the closing-in face of the bearing is jointed by the closing-in type face pressing plate through a rotary pressing bolt connected to the closing-in type face pressing plate from top to bottom, both ends of the closing-in face of the bearing are supported by the double-acting rollers through an end face bearing which is fixedly connected to a bottom plate of the pedestal from bottom to top, and a manual rotating shaft passes through center holes of the rotary pressing bolt, the closing-in type face pressing plate and the joint bearing with the spherical surface and is fixedly connected to an end face between the rollers at both sides. In the closing-in device of the joint bearing with the spherical surface, which is disclosed by the invention, rolled bearing closing in is carried out on a closing-in part of the bearing by utilizing force generated by the rotary bolt. The closing-in device of the joint bearing with the spherical surface is simple and easy to operate and is convenient and quick, and the closing-in positioning is accurate. The closing-in depth can be randomly regulated, and the problem that bearing closing in needs to be manually carried out at the assembly stage of the closing-in part of the bearing is solved.

The invention discloses a modular internal gear pump or a modular motor, comprising a plurality of generalized components such as a shell, an internal gear pair, an input shaft, a fixed shaft tray component, a floating shaft tray component, a flange cover component, a rear cover component and the like, so as to form a barbell type combined structure connected in series, thus realizing modularization of functions, combination of structures and universalization of parts. The invention has the advantages of good universalization of parts, flexible and simple assembly and excellent adaptability of structures, thus achieving the beneficial effects of reducing inventory of parts, shortening the cycle of production and goods delivery and reducing operation cost of products.

The invention discloses a welding mould of a top frame of a passenger car, which is capable of being simultaneously suitable for multiple serial vehicle types with different dimensions. The welding mould of the top frame of the passenger car comprises a mould base, a plurality of horizontal guide rails which correspond to horizontal beams and horizontal partition beams of the top frame and are adjustable in left and right positions are arranged on the mould base, wherein the horizontal beams and the horizontal partition beams of the top frame need to be supported; at least one pair of horizontal beam brackets being adjustable in both front and rear positions and heights are arranged on the horizontal guide rails, and longitudinal beam brackets which correspond to longitudinal beams and longitudinal partition beams of the top frame, are adjustable in both the front and rear positions and the heights and can avoid the horizontal beams are also arranged on the horizontal guide rails corresponding to the horizontal beams, wherein the longitudinal beams and the longitudinal partition beams of the top frame need to be supported; and at least one pair of top edge beam brackets which are matched with top edge beams positioned at a corresponding side and adjustable in the front and rear positions and at least one pair of top edge beam jigs locking the top edge beams positioned at the corresponding side are respectively arranged at the front side and the rear side of the mould base. As for the serial vehicle types, the welding mould realizes the universalization, and a special welding mould is unnecessary to provide for each extended vehicle types, and therefore, the production and manufacture cost is greatly saved.

The invention discloses an adaptive variable redundancy 3U signal processing backboard based on a VPX bus. Through two paths of SRIO (Serial RapidIO)x4 and two paths of PCIe (Peripheral Component Interface Express)x1, the dual redundancy point-to-point interconnection of high-speed data is realized; through two paths of 1GE (1GB Ethernet)x1, the dual redundancy point-to-point interconnection of a control command is realized; and through two paths of SRIOx4 and two paths of 1GEx1, data interaction between two master control switching boards is realized so as to realize the hot backup of the whole system. The whole signal processing backboard topology framework can expand the amount and the type of board cards supported by the backboard according to a current signal processing task, and therefore, the backboard exhibits good expansibility and flexibility, and can adapt to the tendency of current aerospace field development.

The invention provides a universal ground monitoring system for an unmanned aerial vehicle. The system can be used for monitoring the operating states of all systems of the large unmanned aerial vehicle and is an important platform for unmanned aerial vehicle technical support personnel to conduct real-time monitoring, commanding, decision-making and special situation disposition. The system is composed of the vehicle-mounted platform subsystem, the hardware subsystem, the software subsystem and the peripheral interface service subsystem. The unmanned aerial vehicle transmits data of all the systems of the unmanned aerial vehicle to a data link receiving terminal through a data transmission radio station, the software subsystem reads a monitoring data package through an interface program, the analyzed monitoring data package is transmitted to a data monitoring unit and a situation display unit, when parameters are abnormal, voice and signal alarms are provided, a high-definition monitoring camera transmits video data to a camera storage controller through a wireless network, and job site images are displayed through a displayer. An analysis, study and judgment platform is provided for the technical support personnel, analysis reference bases are provided for fault discovery and removal, flight safety risks are effectively reduced, the modular design is adopted in the system, and the requirements of unmanned aerial vehicles of other models can be met by configuring corresponding function modules.

The invention discloses an easy installation type movable plank house with a combined basic member. The movable plank house comprises at least one movable plank house main body frame, the multiple movable plank house main body frames can be mutually connected, and each movable plank house main body frame is provided with a movable plank house exterior-protected member; each movable plank house main body frame comprises a bottom support member, and each bottom support member is connected with a top support member through four support four-way upright columns; each movable plank house exterior-protected member comprises a side exterior-protected plate and a top exterior-protected plate, and each side exterior-protected plate is also provided with a plank house door and a plank house window; each side exterior-protected plate is arranged to surround the four support four-way upright columns and is connected with the four support four-way upright columns to form an integral body; and each top exterior-protected plate is connected with each top support member to form an integral body. The easy installation type movable plank house has the advantages of firmness, durability, convenient assembling, convenient transport and low manufacturing cost.

The invention discloses a processor architecture capable of being reconstructed. The processor architecture internally comprises four instruction caches, sixteen operation macros, a shared data storage unit, a shared program storage unit and peripherals. The sixteen operation macros are connected to the instruction caches through four instruction buses. The instruction caches are connected to a crossbar switch. The peripherals are connected with the crossbar switch. The operation macros and the crossbar switch are connected to the shared data storage unit. The instruction caches are connected to the shared program storage unit. The instruction buses are in a flow line mode. The processor capable of being reconstructed has two working modes which are the discrete mode and the regrouping mode. In the regrouping mode, the operation macros and instruction flow lines are regrouped to build different-scale logic cores. The invention further provides a reconstruction method. The processor architecture capable of being reconstructed and the reconstruction method have the advantages that processor structure regrouping is carried out for different application requirements, computing platform universalization under different application characteristics is achieved, the processor architecture is unified, and user leaning is facilitated.

The invention provides a planetary gear type reduction gear with torque limiter that demonstrates always stably torque limiter function, and the invention is characterized in that an input shaft and an output shaft 7 consisting of an output shaft of a DC motor and an output shaft 14 are journalized on a stationary member 11, and at least one stage of the planetary gear type reduction mechanism comprising a central gear 8, a planetary gear 34 meshed with the central gear 8, an inner gear 22 meshed with the planetary gear 34, and a carrier 30 journalizing the planetary gear 34 and a torque limiter are provided between the input shaft and the output shaft.

The invention discloses a book VR and AR experience interactive system. The system comprises a content database, an image recognition module, a dynamic storage module, a big data analysis module and a dynamic display module, wherein all books, all book pictures, a content input model, book data, VR and AR resource data and the like are stored in the content database; the image recognition module recognizes basic information and feature properties of the book pictures and performs image recognition on the book pictures; the dynamic storage module processes the book pictures according to the feature properties corresponding to the book pictures and stores the book data; the big data analysis module analyzes common categories of identical feature properties to form a general content input model; and the dynamic display module extracts identical book data and content data of the content input model for display. According to the system, the books are displayed in different modes such as VR and AR, the display modes are more diversified, and the user experience effect is better; paper media are digitalized, so that the interactivity and interestingness in the reading process are enhanced, and generalization and standardization of the book data are achieved.

The invention discloses a vehicle cable automatic detection device and method. The vehicle cable automatic detection device comprises a main testing device, an auxiliary testing device and a remote console, and is characterized in that the main testing device and the auxiliary testing device are connected through a communication cable when a test is performed on cable conduction, insulation and voltage withstanding, and a tested cable is connected to test ports of the main testing device and the auxiliary testing device so as to be tested; and a circuit testing point is connected to the test port of the main testing device through a cable so as to be tested when a test is performed on circuit resistance and continuity. The cable detection device can realize local control through the main testing device or connect the remote console through the Ethernet so as to receive remote control. The cable detection device connects two ends of a vehicle cable through the main testing device and the auxiliary testing device respectively, and the cable is not switched in testing, thereby solving a problem that the vehicle cable is difficult to be tested after being laid, and realizing automatic testing for the vehicle cable.

The invention discloses a method and device for linking network access equipment. The method in one embodiment comprises the following steps: monitoring an operation instruction specific to current equipment; when the operation instruction is monitored, acquiring a first attribute identifier corresponding to the operation instruction from attribute identifiers corresponding to the equipment type of the current equipment according to the equipment type; acquiring a first attribute value corresponding to the first attribute identifier according to the operation instruction; and transmitting the first equipment identifier of the current equipment, the first attribute identifier and the first attribute value to a server. According to the scheme in the embodiment of the invention, a uniform attribute identifier is adopted for each piece of equipment of the same equipment type, and the linkage relation among the equipment is implemented on the server, so that autonomous configuration of an interaction rule among the equipment is implemented, and generalization of the linkage among the network access equipment is implemented.

The invention relates to a separate vacuum sucker grasping device on assembling machine for duct piece, characterized in that the whole vacuum sucker in prior technology is divided into one middle vacuum sucker and two side vacuum suckers. The middle vacuum sucker is installed with the inner arc face near the short duct piece in the middle of short duct piece and side vacuum suckers are hinged with two ends of middle vacuum sucker. Two side vacuum suckers are mated with the inner arc face of long duct piece. Rubber patch is boned at one side of middle and side vacuum suckers contacted with long and short duct piece. Cylinder support is connected with the other side of middle vacuum sucker at the middle position and two cylinder supports are hinged with one end of hydraulic cylinder. Ends of pistons of two cylinders are hinged with the connecting mechanism between the frame and side vacuum sucker. The invention is not only provided with reasonable structure but also applied in TBM assembling machine for duct piece and vacuum sucker grasping of assembling machine in shield machine. It is also provided with saving labor, safe operation, convenience and rapid usage and so on.

The invention discloses a heavy-load converter. A three-phase alternating current contactor in a middle chamber divides the converter into a bilaterally symmetrical structure; and four traction converter module mounting chambers, an auxiliary inverter module mounting chamber, a control box mounting chamber, a resistor mounting chamber, a terminal mounting chamber and an outlet are arranged on each side. The heavy-load converter can meet the working environment requirement in the field of electric locomotives and is convenient to mount and maintain, high in structure strength, and compact in internal structure; furthermore, the heavy-load converter is convenient to manufacture, assembly and maintain due to the modular design of all the internal components, and can meet the current requirements of heavy load and high speed and further meet the universal passenger and freight cars to a certain extent.

Provided is a heat exchange device wherein work for assembling a plurality of heat exchangers can be easily performed. A first heat exchanger (11) and a second heat exchanger (12) are disposed close to each other with the ventilation surfaces thereof facing each other, and a first mounting plate (13) affixed to a side surface of the first heat exchanger and a second mounting plate (14) affixed to a side surface of the second heat exchanger are joined and affixed to each other while facing each other. In this case, the first mounting plate (13) has a space of a size capable of connecting and affixing the second mounting plate (14) thereto while both the plates facing each other, multiple stages of insertion holes (25) into which pipe ends of multiple stages of refrigerant pipes (16) projecting laterally to the space from the second mounting plate (14) are inserted are formed, the insertion hole (25) is formed larger than the pipe diameter of the end of the refrigerant pipe (16), and a guide wall (26) for guiding the end of the refrigerant pipe of the second heat exchanger to a predetermined position is formed in each of at least some insertion holes (25) among the multiple stages of insertion holes (25).