58 results about "Refrigerator car" patented technology

The utility model relates to a top-mounted integrated refrigeration equipment relates to the technical field of refrigeration equipment of refrigerator car, including the integrated support of being located at the top of the carriage and the compressor assembly, condenser assembly and evaporator assembly of being located on integrated support, integrated support has the convex part that protrudes upwards to the protrude, the protrude separates integrated support into the condensing area of being located at the front end and the evaporation area of being located at the rear end, and the air avoidance area is formed between the protrude and the top of the carriage, and the compressor assembly, condenser assembly and evaporator assembly are integrated and set up together, and the condensing area and evaporation area are separated through the convex part, and the refrigeration system refrigerant flow is short, and the oil return is quick, and through the interference of the pipeline and wire harness of avoiding the air avoidance area and avoiding the top of the carriage position, compared with the split type design, the whole structure is simple, and the installation volume is small, and it is more convenient to install and maintain, and the refrigeration equipment whole installation is in the top of the carriage, and the heat dissipation effect is improved, and does not influence the load space in the carriage.

The utility model relates to a new energy commercial refrigerator car thermal insulation door, which relates to the technical field of refrigerator car thermal insulation doors, and comprises a car rear door and a thermal insulation plate arranged on the inner side of the car rear door, the thermal insulation plate is connected with the car rear door through a connecting component, and the thermal insulation plate is provided with avoidance openings in one-to-one correspondence with protruding parts on the car rear door. The heat preservation plate is directly arranged on the inner side of the vehicle rear door, the heat preservation plate is completely opened or closed along with the vehicle rear door, normal goods taking and placing operation is not affected, the protruding part on the vehicle rear door is avoided through the avoiding opening, and the situation that the heat preservation performance is reduced due to the fact that the protruding part of the vehicle rear door ejects the heat preservation plate is avoided; according to the door-in-door structure of the refrigerator car, the heat preservation plate and the car rear door are designed into a whole, heat preservation and sealing can be achieved, the function of an original door before modification can be guaranteed, waste of the space occupied by the door-in-door in the car is reduced, meanwhile, the manufacturing cost is reduced, and therefore the heat preservation effect of the refrigerator car is improved, the cargo carrying space is increased, and the cargo taking and placing convenience is improved.

The utility model discloses a drawing goods shelf structure of a refrigerated and insulated van, which is mounted in a carriage and comprises a left connecting plate and a right connecting plate which are mounted on two sides of the carriage, the left connecting plate and the right connecting plate are connected with a lower cross beam in a sliding manner, and the lower cross beam is fixedly connected with an upper cross beam. Limiting groove sets and / or limiting holes are formed in the corresponding positions of the lower cross beam and the upper cross beam and used for limiting the supporting beams. The structure design is reasonable, installation is convenient and fast, the space in a compartment is reasonably utilized, and the structure is suitable for being popularized and modified in van type trucks and refrigerator cars in the prior art.

The invention discloses a refrigerator car body device made of a high-strength composite thermal insulation material, and belongs to the technical field of refrigerator cars. A movable top cover drives a fixed top cover to rotate around a pin shaft connected with the inner wall of a fixed frame to a horizontal state, and meanwhile, a clamping rod is clamped into a clamping groove until the clamping rod completely penetrates through two barrier strips; at the moment, the first spring resets to enable the two barrier strips to get close to each other, the clamping rod is clamped between the two barrier strips, automatic locking of the clamping rod is achieved, and the protection assembly is synchronously linked to protect the upper portion of the fixing frame; when the fixing frame is disassembled, the two handles, corresponding to the fixing frame, on the transverse rod are unfolded, the two blocking strips are made to be separated from the clamping rod, the second spring pushes the ejector block to abut against the clamping rod tightly, the clamping rod is ejected out of the clamping groove, and the purpose of disassembling the fixing frame is achieved, so that the refrigerator car body is assembled in a modular design mode, and an interchangeable and standardized modular system is formed; and the operation difficulty is low, the production cost is reduced, and meanwhile maintenance work of the refrigerator car is facilitated.

This application discloses a door locking mechanism, a door, and a railway refrigerated car, belonging to the field of railway vehicle technology. The door locking mechanism is connected between the door body and the door frame and includes: a first locking assembly connected between the door body and the door frame; a drive mechanism connected to the first locking assembly to drive the first locking assembly to perform locking or unlocking operations; a second locking assembly connected between the door body and the door frame; and a transmission assembly connected between the drive mechanism and the second locking assembly to simultaneously drive the second locking assembly to perform locking or unlocking operations when the drive mechanism drives the first locking assembly to perform locking or unlocking operations. The door locking mechanism, door, and railway refrigerated car provided by this application can improve the reliability and stability of door locking.

The utility model discloses an adjustable double-layer refrigerator car carriage, which relates to the technical field of cold chain transportation and comprises a carriage body, a partition plate slidably mounted in the carriage body to realize transverse double-layer separation of the internal space of the carriage body, and an adjusting mechanism connected between the carriage body and the partition plate to realize position adjustment of the partition plate. According to the adjustable double-layer refrigerator car compartment, the position of the partition plate in the compartment body can be adjusted through the adjusting mechanism, then the space in the compartment body can be partitioned, transverse double-layer arrangement of the space in the compartment body is achieved, and the convenience of cargo loading can be improved; different refrigeration temperatures can be controlled for the separated space, the temperature control accuracy can be improved, meanwhile, the size of the separated space can be adjusted by adjusting the partition plate, adaptive adjustment can be conducted according to the space needed by goods with different temperature requirements, and the space can be adjusted more conveniently. And the space utilization rate of the adjustable double-layer refrigerator car carriage is improved.

The invention discloses a logistics transportation refrigerator car energy management system and method, and relates to the technical field of logistics transportation. Comprising the following steps: acquiring data of the refrigerator car, quantitatively analyzing a cooling capacity attenuation rule and an influence mechanism of opening and closing of a cargo door, and partitioning the internal space of the refrigerator car; carding a logistics transportation list, determining a cargo temperature control demand, and planning a cargo stacking area according to the cargo demand; core transportation parameters and historical data in the logistics transportation list are analyzed, and future site environment data and future route environment data are predicted; according to the technical key points, vehicle characteristic data, dynamic data and operation data are integrated into a unified management and control dimension, it is ensured that cooling capacity adjustment always fits an actual scene, a model is constructed for analysis and processing after processing, and a full-link energy management and control system for cargo transportation is constructed. And a technical adaptation foundation is laid for multi-category, multi-station and multi-road-condition refrigerated transport, and the method has remarkable economic benefits and good use prospects.

The invention discloses a refrigerator car-unmanned aerial vehicle-rider collaborative path planning method considering fresh loss, and relates to the technical field of path planning, and the method comprises the steps: defining path planning parameters of a refrigerator car, an unmanned aerial vehicle and a rider considering fresh loss; constructing a path planning model according to the path planning parameters; generating an initial solution of the path planning model based on a greedy insertion algorithm; performing local search improvement on the initial solution to obtain a target solution; and according to the target solution, the refrigerator car, the unmanned aerial vehicle and the rider are dispatched to cooperatively execute the fresh food delivery service. According to the method, the path planning model considering the fresh loss is constructed, the initial solution is generated, the target solution is searched, the delivery paths of the refrigerator car, the rider and the unmanned aerial vehicle can be synchronously decided, and the arrival freshness of fresh products can be improved and stabilized.

The utility model provides a cold storage type constant-temperature refrigerator car which comprises a car body, a compartment is arranged on the car body, an inner cavity of the compartment is a refrigeration area, a tail door is arranged at the tail of the compartment, at least one partition plate is arranged in the compartment front and back, and the partition plate divides the refrigeration area into a front refrigeration area and a rear refrigeration area. The top of the partition plate is rotationally connected with the top in the compartment, the periphery of the partition plate is in sealing fit with the inner wall of the compartment, a cold air pipe is embedded in the compartment, and bypass pipes located in the front refrigeration area and the rear refrigeration area respectively are connected to the cold air pipe. According to the utility model, the at least one partition plate which can be opened front and back is arranged in the carriage, the inner cavity of the carriage is separated by the partition plate, and articles on the side, deviating from the tail door, of the partition plate are in a normal constant-temperature cold storage state during unloading during distribution, so that compared with the prior art, the partition cold storage constant-temperature cold storage device has a partition cold storage constant-temperature cold storage function; and the quality of articles can be reliably ensured during multi-point distribution.

The utility model discloses a partition assembly for a refrigerator car, which relates to the technical field of refrigerator cars and comprises a refrigerator carriage and a partition assembly, two ends of the refrigerator carriage are fixedly connected with a refrigeration assembly and hinged with a door respectively, and the partition assembly comprises a sliding frame sliding inside the refrigerator carriage. The sliding frame comprises two connecting rods, two connecting frames and two partition doors, the two connecting frames are fixedly connected through the two connecting rods, the interior of the refrigerator compartment is partitioned front and back through the two partition doors, and the whole refrigerator compartment slides in the refrigerator compartment by driving the partition assembly; the proportion of the separated space is adjusted by adjusting the partition space, when a small number of goods are stored, the cavity close to one end of the refrigeration assembly is refrigerated and cooled, cold air is prevented from being diffused in the refrigerator compartment in a large range, cold air loss after the unloading process is reduced, energy consumption is reduced, and the purpose of saving energy is achieved.

The utility model belongs to the technical field of banquet dining car equipment, and relates to a banquet heat preservation car with a food heat preservation function, which comprises a car body, moving wheels arranged at four corners of the bottom of the car body, a power switch arranged in the middle of the rear side of the car body, supporting columns arranged at four corners of the top of the car body, a top plate arranged at the tops of the supporting columns, and handrails arranged at the rear sides of the supporting columns. A display panel is arranged on the rear side of the heat preservation barrel; an electric heating wire is arranged on the inner wall of the heat preservation barrel; a tray is arranged in the heat preservation barrel; a connecting shaft is arranged at the bottom of the tray; the food heat preservation device has the advantages of heat preservation function, convenience in movement, stable structure, convenience in operation and adjustment as required, and can meet the requirements of food heat preservation and supply on a banquet site.

The invention relates to the technical field of air-conditioning refrigeration, in particular to a control system for air-conditioning equipment in an air-conditioning refrigerator car, which comprises a carriage, air-conditioning equipment, a plurality of transport cases, a collection unit and a control unit, each transport case is provided with a vent hole with the opening degree capable of being electrically controlled and adjusted; the control unit obtains the characteristic gas concentration data of each transport case before gas supply so as to judge the concentration difference, and when a preset difference condition is met, the air conditioning equipment is controlled to be switched from fixed-direction gas supply to multi-direction sequential gas supply according to a preset sequence; determining an opening degree adjustment strategy of each transport case vent hole based on the concentration change trend in the time period meeting the preset consistency condition in the air supply process; and meanwhile, according to the concentration change trend, the air supply track during air conditioning demand switching is determined, so that the air conditioning uniformity between the transport boxes is adjusted. The phenomenon that the air conditioning effect is not uniform can be reduced, and therefore the probability that goods in part of the transportation boxes deviate from the target air conditioning environment in advance is reduced.

The invention discloses a heat management system and a refrigerator car, and the heat management system comprises a first temperature control loop which comprises a first compression part, a first condensation part, a first throttling part and a first evaporation part; the second temperature control loop comprises a second compression part, a second throttling part and a second evaporation part; the first heat exchange piece comprises a first heat exchange flow channel and a second heat exchange flow channel; an inlet of the first heat exchange flow channel is communicated between an outlet of the first condensation piece and an inlet of the first evaporation piece, an outlet of the first heat exchange flow channel is communicated between an outlet of the first evaporation piece and an inlet of the first compression piece, and the second heat exchange flow channel is communicated between an outlet of the second compression piece and the second throttling piece. According to the thermal management system provided by the embodiment of the invention, the first heat exchange piece is additionally arranged, so that coupling between the second temperature control loop and the first temperature control loop is realized.

The utility model provides a new energy commercial refrigerator carriage, and belongs to the technical field of refrigerator cars. The problem that operation is inconvenient due to the fact that a ceiling lamp switch of an existing new energy commercial refrigerator carriage is arranged in a cab is solved. The new energy commercial refrigerator carriage comprises a carriage body with a heat preservation inner cavity, a rear door capable of being opened is arranged at the tail of the carriage body, a first sealing structure is arranged between the rear door and the carriage body, a lighting lamp is arranged on the side wall / top wall of the heat preservation inner cavity, and a switch used for controlling the lighting lamp is arranged on the inner wall, close to the rear door, of the heat preservation inner cavity. The switch is arranged on the inner wall, close to the rear door, of the heat preservation inner cavity, operation is convenient, and the time for turning on the switch after running back to a cab is effectively saved; as the middle door is arranged, goods can be loaded and unloaded from the middle door, and convenience is effectively improved; and the sealing performance is improved through the first sealing structure and the second sealing structure.

The invention relates to the technical field of refrigerator car program control, in particular to an energy consumption collaborative optimization system and method for an air-conditioned refrigerator car, and the system comprises a sensing detection module which is used for laying monitoring points in a compartment in a layered and zoned manner, synchronously collecting environment data, and constructing a space distribution field and a time change sequence of the space distribution field; the consistency verification module performs physical consistency verification on the distribution field based on a gas density change rule, and outputs an effective gradient field after removing abnormal data; the collaborative judgment module analyzes the spatial coupling degree of the temperature gradient and the oxygen concentration gradient in the effective gradient field, determines a collaborative imbalance index and divides risk grades; and the cooperative control module generates a continuous control instruction according to the risk level to perform linkage adjustment on the refrigeration and air adjustment execution piece, and verifies the gradient difference between the center and the edge area through overturning. According to the invention, through multi-gradient coupling analysis and closed-loop verification, refined cooperative control of the refrigeration and air conditioning system is realized, and the overall energy consumption is significantly reduced.

The utility model discloses a high-maneuverability refrigerated van broken bridge structure which is arranged in a rear door assembly inside a carriage and comprises an inner L-shaped door frame, an outer L-shaped door frame, a fastener, an insulating material layer and a rectangular pipe, the insulating material layer and the rectangular pipe are arranged side by side, the inner L-shaped door frame limits the insulating material layer, and the outer L-shaped door frame limits the position of the rectangular pipe. The outer L-shaped door frame limits the rectangular pipe, mounting holes are formed in the mutual lap joint positions of the inner L-shaped door frame and the outer L-shaped door frame, and the fasteners penetrate through the mounting holes to fix and limit the inner L-shaped door frame, the outer L-shaped door frame, the insulating material layer and the rectangular pipe. The refrigerator car is suitable for being popularized and modified in the prior art.

The utility model discloses a refrigerator car hook door which comprises a compartment door movably hinged to a compartment through a hinge, and a middle lock rod and an edge lock rod are rotationally installed in the middle of the compartment door and the position, close to the edge, of the side away from the hinge through hoops respectively. Small lock heads with bayonets facing one side of the hinge are fixed to the two ends of the middle lock rod, large lock heads with bayonets facing one side of the hinge are fixed to the two ends of the edge lock rod, and small lock seats and large lock seats which are movably connected with the small lock heads and the large lock heads in a clamped mode are fixed to the carriage. When the door handle is pulled outwards, the middle lock rod and the edge lock rod synchronously rotate through transmission of the movable connecting rod, the door is opened in the middle and the edge positions above and below the compartment door through rotating prying of the small lock head and the large lock head, the effect of synchronously pulling and opening the door outwards in the middle and the edge of the compartment door is achieved, more labor is saved in door opening, and the door opening efficiency is improved. Meanwhile, external force borne by the compartment door is dispersed, local stress is avoided, the compartment door is protected, the compartment door is not prone to deformation, and the sealing effect is ensured.

The present application relates to a kind of cold storage car box assembly tooling, including U-shaped frame, U-shaped area is arranged in the U-shaped frame, bottom frame assembly station is arranged in the U-shaped frame, the bottom frame assembly station is used to assemble the bottom frame of cold storage car, the side of the bottom frame assembly station is provided with first transverse transfer station, the side of the bottom frame assembly station away from first transverse transfer station is provided with longitudinal transfer station, the side of the longitudinal transfer station is provided with the box of car box and is assembled box assembly station, the side of the box assembly station close to transverse is provided with second transverse transfer station;Solved the existing carriage production equipment, generally by different processes to carriage each component is separately installed, each process is independent of each other, the continuity of overall installation is not high, leading to increased production time, the efficiency of production is relatively low and other problems.

The utility model relates to the field of automobile engine supports, in particular to a front end exhaust side support of a double-air-conditioner engine and an automobile, and the front end exhaust side support of the double-air-conditioner engine comprises an air cylinder body connecting part, a plurality of air cylinder body connecting holes used for being connected with an engine air cylinder body are formed in the air cylinder body connecting part; the supporting part is provided with a rubber bearing mounting hole; the air-conditioning compressor mounting part is provided with an air-conditioning compressor bracket mounting surface and is used for mounting an air-conditioning compressor mounting bracket, and the air-conditioning compressor mounting bracket is used for mounting a cab air-conditioning compressor; the idle wheel mounting part is positioned on the side part of the air conditioner compressor and is used for mounting an idle wheel of an automobile front end wheel train; and a reinforcing rib structure. The generalization rate of the support can be increased, and finally the convenience of refitting a truck into a refrigerator car is greatly improved.

The utility model relates to a new energy commercial refitted refrigerator car refrigerating unit, which relates to the technical field of new energy refrigerator cars, and comprises an inner machine assembly, an outer machine assembly, a pipeline assembly and a high-voltage junction box, the outer machine assembly comprises a refrigerating part integration component and a condenser, the refrigerating part integration component comprises a base and a scroll compressor arranged on the base, and the condenser is arranged on the base. The base is arranged below a chassis of the vehicle body and located on the side edge of the power battery, the condenser is arranged below the chassis of the vehicle body and located behind the power battery, and the indoor unit assembly, the scroll compressor and the condenser are connected through the pipeline assembly. The outdoor unit assembly is divided into the refrigeration part integration assembly and the condenser which are installed respectively, the height of the whole vehicle is not increased, heat dissipation is facilitated, installation and maintenance are facilitated, the vortex compressor is controlled to work through the high-voltage junction box arranged below the chassis of the vehicle body, the wiring arrangement of pipelines is simplified, and the working efficiency is improved. In this way, the convenience of installation and maintenance of the refrigerating unit of the new energy commercial refitted refrigerator car is improved.

1. Name of the designed product: cold storage and heat preservation vehicle (high mobility). 2. Use of the designed product: cold storage and heat preservation and transportation of food. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view 1. 5. The bottom surface of the designed product is the part that is not easy to see or cannot be seen during use, and the top view is omitted.

The invention relates to the technical field of ice cream transportation and refrigeration, in particular to an ice cream storage method and system applied to a refrigerator car, and the method comprises the steps: obtaining an enhanced infrared image group based on a binocular thermal imaging system, carrying out the stereo feature matching according to a target infrared image group, obtaining a three-dimensional temperature image, carrying out the clustering of the three-dimensional temperature image, obtaining a plurality of temperature aggregation regions, and carrying out the recognition of the temperature aggregation regions. Performing condensation degree evaluation on the plurality of temperature gathering areas to obtain airflow condensation degree, performing temperature analysis on each temperature gathering area in the plurality of temperature gathering areas to obtain a plurality of high-temperature gathering degrees, and performing area cooling operation according to the plurality of high-temperature gathering degrees, the airflow condensation degree, the refrigeration equipment and the airflow circulating equipment. According to the invention, the accuracy of temperature monitoring in the carriage and the intelligent level of regulation and control can be improved, and the ice cream deterioration risk and the cold-chain logistics energy consumption are reduced.

The invention provides a refrigerator car and a control method. The refrigerator car comprises a cab assembly; the refrigerating unit is located between the cab assembly and a cargo compartment of the vehicle; the control device assembly is embedded in a compartment body, close to one side of the cab assembly, of the cargo compartment, and the refrigerating unit is in sliding connection with one side, away from the cargo compartment, of the control device assembly; wherein the control device assembly controls the refrigerating unit to reciprocate along the height direction of the cargo compartment, so that the refrigerating unit has a plurality of working positions. The problems that in the prior art, due to the fact that a refrigerating unit of a refrigerator car is too close to a cab top cover, maintenance is inconvenient, and the performance of a condenser is reduced are solved.

The utility model discloses a splice type base plate for a refrigerator car, which relates to the technical field of refrigerator cars and comprises a refrigerator carriage and a fixing component, one end of the refrigerator carriage is fixedly connected with a refrigeration component, the other end of the refrigerator carriage is hinged with a carriage door, and the inner bottom wall of the refrigerator carriage is fixedly connected with a base plate. The bottom plate is formed by splicing and combining a plurality of splicing plates left and right, supporting protrusions are arranged on the splicing plates, under the action of first connecting strips, second connecting strips, clamping heads and clamping grooves, the multiple splicing plates are clamped in the left-right direction and the front-back direction, the mounting efficiency is greatly improved, the bottoms of goods are supported through the supporting protrusions, and the goods are more convenient to mount. A ventilation groove is formed between every two adjacent supporting protrusions, so that cold air or water can flow at the bottom of goods and in the refrigerator van, the goods are blocked through the arranged sliding frame and the blocking rod assembly, the goods are fixed, and the stability in the transportation process is improved.

The utility model discloses a refrigerator car container convenient to install, and relates to the technical field of refrigerator car containers. Comprising a fixing base, a container is arranged on the upper portion of the fixing base, the container and the fixing base are transversely and slidably installed, the two ends of the fixing base transversely and longitudinally fix the container to the fixing base through fixing parts, and the two sides of the container and the two sides of the fixing base are longitudinally and fixedly arranged through a plurality of evenly-arranged reinforcing parts. The fixing base is fixed to the peripheral side walls of a truck frame through the fixing bolts C, the positioning groove in the bottom of the container is matched with the positioning rail plate of the fixing base, the container is positioned on the fixing base in the length direction and limited and fixed in the width direction, the fixing component is matched with the fixing plate, and the container is fixed to the fixing base in the length direction. The reinforcing part reinforces and fixes the container and the fixed base through the hinge chain plate, and the container can be prevented from moving towards the two ends of the fixed base or inclining towards the two sides of the fixed base.

The utility model provides a loading and unloading lifting machine for a meat refrigerator car. The loading and unloading lifting machine comprises a lifting frame; the lifting mechanism is arranged at the bottom of the lifting frame, the bottom is suitable for being fixed to the ground, and the lifting end is connected with the lifting frame and used for pushing the lifting frame to do lifting motion; the stand column device is arranged at the bottom of the lifting frame, the bottom is suitable for being fixed to the ground, the top end is connected with the lifting frame, and the stand column device is used for providing guidance when the lifting frame ascends and descends; the thrust cylinder is arranged on the lifting frame; the propelling guide column device is arranged on the lifting frame, and the telescopic end of the propelling guide column device can do horizontal telescopic motion under the action of a propelling oil cylinder; the overhanging frame is connected with the telescopic end of the pushing guide column device; and the hook mechanism is arranged below the overhanging frame. According to the loading and unloading lifting machine for the meat refrigerator car, loading and unloading of meat are achieved through mechanical equipment, the workload of carrying personnel can be greatly reduced, materials are hooked and fixed through the hooks, safety and reliability are achieved, no contact between people and fresh meat can be achieved in the fresh meat transferring, loading and unloading processes, and the sanitation and safety degree is higher.

The utility model discloses an asphalt concrete unloader which comprises a heat preservation box, the heat preservation box is provided with an inner cavity used for containing asphalt concrete, the inner cavity is provided with a feeding port and a discharging port, the feeding port is used for transferring the asphalt concrete transferred to a construction site by a transport vehicle into the inner cavity, and the discharging port is used for discharging the asphalt concrete. The discharging port is used for discharging asphalt concrete in the inner cavity, the unloader further comprises a plate trailer structure, the heat preservation box is placed on a bearing table of a plate trailer, and after the inner cavity is filled with concrete, the asphalt concrete can be transferred to a specific construction position through the plate trailer. According to the scheme, a miniaturized structure is designed according to the structural design of the unloader, the last one kilometer distance of a construction site is broken through, site constructors can transfer asphalt concrete conveniently, the temperature of the asphalt concrete can be further guaranteed, and the deterioration probability of the asphalt concrete is reduced by adopting a heat preservation box structure.

The utility model relates to a phase change cold storage device and a refrigerated van only using the phase change cold storage device for refrigeration, which comprises a mounting frame and a cold storage plate group arranged in the mounting frame, the cold storage plate group comprises a fixing rod and a plurality of cold storage plates, a phase change cold storage agent is packaged in each cold storage plate, the cold storage plates are arranged on the fixing rod in a penetrating manner, and the phase change cold storage plates are fixed on the fixing rod. The multiple cold storage plates are fixed to the fixing rods at intervals, multiple sliding ways in the horizontal direction are arranged on the installation frame, and the two ends of the fixing rods are supported in the sliding ways respectively.

The utility model discloses a refrigeration vehicle plate automatic welding device which comprises a supporting base, adjusting seats are installed on the two sides of the surface of the supporting base in a sliding mode, first universal wheels are rotatably installed on the two sides of the surfaces of the adjusting seats, first transmission screws are rotatably installed on the surfaces of the adjusting seats, and transmission cylinders are fixedly connected to the two sides of the surfaces of the first transmission screws. A limiting frame is fixedly connected to the surface of the transmission cylinder, a limiting plate is fixedly connected to the tail end of the first electric push rod, a transmission mechanism is arranged at the bottom of the adjusting base, and a welding mechanism is arranged in the middle of the supporting base. The welding device has the advantages that a vehicle plate needing to be welded is placed on the surfaces of the first universal wheels to be movably supported, then the first transmission screw drives the two limiting frames to move relatively, the limiting frames and the limiting plates conduct automatic alignment adjustment on the vehicle plate, manual alignment operation is not needed, and the welding efficiency is improved. Therefore, the refrigerator car plate can be automatically adjusted and welded, and the welding efficiency of the refrigerator car plate is effectively improved.