Heat exchange core supporting bottom beam, core support and cooling unit

Abstract

The utility model discloses a heat exchange core body supporting bottom beam which is a hollow sectional material beam, the sectional material beam comprises an upper mounting plate and a lower mounting plate, an inner side plate and an outer side plate are oppositely arranged between the upper mounting plate and the lower mounting plate, a mounting part inclining inwards is arranged above the upper mounting plate, the mounting part is used for being connected with an evaporator module, and the outer side plate is used for being connected with the evaporator module. The lower mounting plate is used for being connected with a support module, and a reinforcing rib plate assembly is arranged in the profile beam. Compared with a traditional hollow sheet metal part, the reinforcing rib plate assembly arranged in the sectional material beam has higher equipment strength, a more reasonable stress structure is provided, a corresponding reinforcing structure is additionally arranged in the sectional material beam according to stress analysis of all connecting parts on the supporting bottom beam, targeted reinforcement is achieved, and the structural strength of the sectional material beam is improved. On the basis of ensuring the strength, the weight is reduced, materials are saved, and the strength of the supporting bottom beam is effectively improved. The utility model further discloses a core body support comprising the heat exchange core body supporting bottom beam and a cooling unit.

Description

Technical Field

[0001] The utility model relates to the field of cooling equipment, in particular to a heat exchange core support bottom beam. In addition, the utility model also relates to a core support and a cooling unit including the heat exchange core support bottom beam. Background Art

[0002] The cooling unit is widely used in various technical fields. It is equipped with a condenser module and an evaporator module to achieve gas heat exchange, and then output cold air to the interior of the space to achieve a cooling effect. Furthermore, in order to improve the heat exchange effect, a heat exchange core is arranged inside, and the condenser module and the evaporator module are arranged at both ends of the heat exchange core to complete the heat exchange inside the heat exchange core. At the same time, the multiple heat exchange cores are divided into two rows, and the multiple heat exchange cores in each row are arranged in the horizontal direction.

[0003] In order to ensure stable installation of the two rows of heat exchange cores, the inventor set up a bracket structure to provide stable support for the multiple heat exchange cores. Therefore, a core bracket is set inside the cooling unit, including a bracket module located at the bottom, and supporting bottom beams are set on both sides of the upper end of the bracket module. The upper end of the supporting bottom beam is connected to the lower end of the evaporator module, and the outer edge of the evaporator module is connected to one side of the heat exchange core. The upper ends of the two evaporator modules are close to each other and are commonly connected to the supporting bottom beam to form a bracket structure with a triangular cross-section.

[0004] However, in the prior art, the supporting bottom beam is only a horizontally extending hollow sheet metal, and the structural strength is low, which cannot guarantee the stability of the equipment. If the existing general profiles are used, it cannot meet the special connection requirements of the equipment and cannot be directly applied.

[0005] Therefore, how to provide a heat exchange core support bottom beam with high structural strength and easy to connect is a technical problem that technical personnel in this field currently need to solve. Utility Model Content

[0006] The purpose of the utility model is to provide a heat exchange core support bottom beam, by arranging a reinforcing rib plate assembly inside the profile beam, to improve the overall strength of the bottom beam and improve the stability of the equipment. Another purpose of the utility model is to provide a core support and a cooling unit including the above heat exchange core support bottom beam.

[0007] In order to solve the above technical problems, the utility model provides a heat exchange core supporting bottom beam, which is a hollow profile beam, and the profile beam includes an upper mounting plate and a lower mounting plate, and an inner plate and an outer plate are relatively arranged between the upper mounting plate and the lower mounting plate, and an installation portion inclined inwardly is arranged above the upper mounting plate, and the installation portion is used to connect the evaporator module, and the lower mounting plate is used to connect the bracket module, and a reinforcing rib plate assembly is arranged inside the profile beam.

[0008] Preferably, the reinforcing rib plate assembly includes a vertical reinforcing plate and two oblique reinforcing plates, the lower end of the vertical reinforcing plate is connected to the top of the lower mounting plate, the upper end of the vertical reinforcing plate is connected to the lower ends of the two oblique reinforcing plates, and the upper ends of the two oblique reinforcing plates are opened to both sides and respectively connected to the two sides of the bottom of the upper mounting plate.

[0009] Preferably, the reinforcing rib plate assembly includes a horizontal reinforcing plate, two ends of which are respectively connected to the inner wall of the inner plate and the inner wall of the outer plate, and the middle portion of the horizontal reinforcing plate is cross-arranged with the vertical reinforcing plate.

[0010] Preferably, the mounting portion includes a connecting portion and a docking portion, the lower end of the connecting portion is connected to the upper surface of the upper mounting plate, the upper end of the connecting portion is connected to the lower end of the docking portion, and the connecting portion is inclined inward.

[0011] Preferably, the inner bottom corner of the connecting portion is connected to the connection point between the upper mounting plate and the inner plate, and the outer bottom corner of the connecting portion is connected to the middle portion of the upper surface of the upper mounting plate.

[0012] Preferably, the width of the lower end of the docking portion is greater than the width of the upper end of the connecting portion, and the docking portion is flush with the inner side of the connecting portion.

[0013] Preferably, a guide rail groove is provided inside the connecting portion.

[0014] Preferably, an auxiliary support plate is provided below the guide rail groove, and the inner end of the auxiliary support plate is connected to the outer wall of the inner plate.

[0015] Preferably, a positioning beam is provided at the upper portion of the outer wall of the outer side plate, the upper surface of the positioning beam is flush with the upper mounting plate, and an inclined support plate is provided inside the positioning beam.

[0016] Preferably, a water receiving groove opening upward is provided at the lower end of the outer wall of the inner side plate, the bottom surface of the water receiving groove is flush with the lower mounting plate, and the bottom surface of the water receiving groove is used to connect the bracket module.

[0017] Preferably, the bottom surface of the water receiving trough is provided with a plurality of mounting holes for bolts to pass through.

[0018] The utility model provides a core support, comprising a heat exchange core support bottom beam as described in any one of the above items.

[0019] The utility model provides a cooling unit, comprising a heat exchange core supporting bottom beam as described in any one of the above items.

[0020] The utility model provides a heat exchange core supporting bottom beam, the main body of which is a hollow profile beam, the profile beam comprising an upper mounting plate and a lower mounting plate, an inner plate and an outer plate are relatively arranged between the upper mounting plate and the lower mounting plate, surrounding a hollow profile beam with a cross-section similar to a rectangle, wherein a mounting portion inclined inwardly is arranged above the upper mounting plate, the mounting portion is used to connect an evaporator module, the lower mounting plate is used to connect a bracket module, and a reinforcing rib plate assembly is arranged inside the profile beam.

[0021] The reinforcing rib plate assembly arranged inside the profile beam has higher equipment strength and provides a more reasonable force-bearing structure compared to traditional hollow sheet metal parts. According to the force analysis of each connecting component on the supporting bottom beam, the corresponding reinforcing structure is added inside the profile beam to achieve targeted reinforcement. On the basis of ensuring strength, the weight is reduced and materials are saved, thereby effectively improving the strength of the supporting bottom beam.

[0022] The utility model also provides a core bracket and a cooling unit including the above-mentioned heat exchange core supporting bottom beam. Since the above-mentioned heat exchange core supporting bottom beam has the above-mentioned technical effect, the above-mentioned core bracket and the cooling unit should also have the same technical effect, which will not be introduced in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A cross-sectional schematic diagram of a specific implementation of the heat exchange core supporting bottom beam provided by the utility model;

[0024] Figure 2 A schematic diagram of the installation of a specific implementation of the heat exchange core support bottom beam provided by the utility model;

[0025] Figure 3 This is a partially enlarged view of a specific implementation of the heat exchange core supporting bottom beam provided by the utility model.

[0026] Among them, there are an upper mounting plate 1, a lower mounting plate 2, an inner plate 3, an outer plate 4, a vertical reinforcement plate 5, an oblique reinforcement plate 6, a horizontal reinforcement plate 7, a connecting part 8, a docking part 9, a guide rail groove 10, an auxiliary support plate 11, a positioning beam 12, an oblique support plate 13, a water collecting trough 14, a water absorber mounting frame 15, an evaporator module 16, a heat exchange core 17, a condenser module 18, and a bracket module 19. DETAILED DESCRIPTION

[0027] In this embodiment, in order to ensure stable installation of two rows of heat exchange cores, the inventor sets a bracket structure to provide stable support for multiple heat exchange cores. Therefore, a core bracket is set inside the cooling unit, including a bracket module located at the bottom, and supporting bottom beams are set on both sides of the upper end of the bracket module. The upper end of the supporting bottom beam is connected to the lower end of the evaporator module, and the outer side of the evaporator module is connected to one side of the heat exchange core. The upper ends of the two evaporator modules are close to each other and are commonly connected to the supporting bottom beam to form a bracket structure with a triangular cross-section.

[0028] The core of the utility model is to provide a heat exchange core support bottom beam, and by arranging a reinforcing rib plate assembly inside the profile beam, the overall strength of the bottom beam is improved, and the stability of the equipment is improved. Another core of the utility model is to provide a core bracket and a cooling unit including the above heat exchange core support bottom beam.

[0029] Please refer to Figures 1 to 3 , Figure 1 A cross-sectional schematic diagram of a specific implementation of the heat exchange core supporting bottom beam provided by the utility model; Figure 2 A schematic diagram of the installation of a specific implementation of the heat exchange core support bottom beam provided by the utility model; Figure 3 This is a partially enlarged view of a specific implementation of the heat exchange core supporting bottom beam provided by the utility model.

[0030] The specific implementation of the utility model provides a heat exchange core support bottom beam, which is applied to the core bracket in the cooling unit. The core bracket includes a bracket module 19, and support bottom beams are arranged on both sides of the upper end of the bracket module 19. Support oblique beams are arranged on the support bottom beams on both sides. The top ends of the support oblique beams on both sides are inclined inward and close to each other, and the top ends of multiple support oblique beams are commonly connected to the support top beam to form a frame structure with a cross-section similar to a triangle. An evaporator module 16 is arranged on the inner side of the hypotenuse of the frame structure, and the upper end of the support bottom beam is connected to the lower end of the evaporator module 16. The upper ends of the two evaporator modules 16 are close to each other and are commonly connected to the support top beam. At the same time, the outer side of the hypotenuse of the frame structure is connected to one side of the heat exchange core 17, and at the same time, two outwardly extended water absorber mounting frames 15 are installed on both sides above the support top beam. The water absorber mounting frames 15 are connected to the other side of the heat exchange core 17 below, and a condenser module 18 is installed above the two water absorber mounting frames 15. That is, with the heat exchange core supporting top beam as the center, the two evaporator modules 16 and the two water absorber mounting frames 15 are spread out in four different directions and arranged symmetrically to form an X-shaped structure, and two rows of heat exchange cores 17 corresponding to each other are embedded between the water absorber mounting frames 15 and the evaporator modules 16 on the same side.

[0031] The heat exchange core supporting bottom beam is a hollow profile beam, which is an integrated long strip profile formed by stretching and extrusion, and is composed of an upper mounting plate 1 and a lower mounting plate 2 arranged oppositely, and an inner plate 3 and an outer plate 4 arranged oppositely between the upper mounting plate 1 and the lower mounting plate 2. A total of four parts surround the outer shell of the profile beam, and the hollow part of the profile beam is formed inside the four parts. Since the two supporting bottom beams are arranged oppositely, the side opposite to the two supporting bottom beams is the inner side, and the side opposite to the two supporting beams is the outer side.

[0032] The four components are surrounded to form a profile beam with a cross section similar to a rectangle, wherein an inwardly inclined mounting portion is arranged above the upper mounting plate 1, and the mounting portion is used to connect the bottom of the evaporator module 16, and the lower mounting plate 2 is used to connect the top of the bracket module 19. In order to improve the strength, a reinforcing rib plate assembly is arranged inside the profile beam. Among them, it includes a single reinforcing plate or the sum of multiple types of reinforcing plates, and each reinforcing plate can be arranged horizontally, vertically, or inclined. The reinforcing plates arranged in various ways work together to divide the interior of the profile beam into multiple spaces, and the profile beam and the internal reinforcing rib plate assembly are stretched and extruded together.

[0033] The reinforcing rib plate assembly arranged inside the profile beam has higher equipment strength and provides a more reasonable force-bearing structure compared to traditional hollow sheet metal parts. According to the force analysis of each connecting component on the supporting bottom beam, the corresponding reinforcing structure is added inside the profile beam to achieve targeted reinforcement. On the basis of ensuring strength, the weight is reduced and materials are saved, thereby effectively improving the strength of the supporting bottom beam.

[0034] In embodiment 1, the reinforcing rib plate assembly includes a vertical reinforcing plate 5, which supports various components by supporting the bottom beam. Therefore, each component is subjected to downward pressure toward the profile beam under the action of gravity. The lower end of the vertical reinforcing plate 5 is connected to the top of the lower mounting plate 2, and the upper end of the vertical reinforcing plate 5 is connected to the bottom of the upper mounting plate 2, which is used to support the upper mounting plate 1 and the lower mounting plate 2, overcome the downward pressure, and prevent the inner plate 3 and the outer plate 4 from being squeezed and deformed.

[0035] In the second embodiment, the reinforcing rib plate assembly includes a vertical reinforcing plate 5 and two oblique reinforcing plates 6. The lower end of the vertical reinforcing plate 5 is connected to the upper side of the lower mounting plate 2, and the upper end of the vertical reinforcing plate 5 is connected to the lower ends of the two oblique reinforcing plates 6. The upper ends of the two oblique reinforcing plates 6 are opened to both sides and respectively connected to the two sides below the upper mounting plate 1. The vertical reinforcing plate 5 and the two oblique reinforcing plates 6 are arranged in a Y shape inside the rectangular cross-section profile beam. Specifically, the upper end of the oblique reinforcing plate 6 is connected to the corner where the upper mounting plate 1 is connected to the inner side plate 3 (outer side plate 4), so as to maximize the internal support stability.

[0036] In embodiment three, the reinforcing rib plate assembly includes a horizontal reinforcing plate 7, the two ends of which are respectively connected to the inner wall of the inner plate 3 and the inner wall of the outer plate 4, pulling the inner plate 3 and the outer plate 4 to prevent the inner plate 3 and the outer plate 4 from bulging outward and deforming after being subjected to pressure.

[0037] In embodiment four, the reinforcing rib plate assembly includes a vertical reinforcing plate 5, two oblique reinforcing plates 6 and a horizontal reinforcing plate 7. The arrangement of each reinforcing plate is as follows: the lower end of the vertical reinforcing plate 5 is connected to the upper side of the lower mounting plate 2, the upper end of the vertical reinforcing plate 5 is connected to the lower ends of the two oblique reinforcing plates 6, the upper ends of the two oblique reinforcing plates 6 are opened to both sides and respectively connected to the two sides of the lower side of the upper mounting plate 1, the two ends of the horizontal reinforcing plate 7 are respectively connected to the inner wall of the inner plate 3 and the inner wall of the outer plate 4, and the middle part of the horizontal reinforcing plate 7 is cross-arranged with the vertical reinforcing plate 5, and the two are arranged in a cross shape. Specifically, the end of the horizontal reinforcing plate 7 is connected to the center position of the inner wall of the inner plate 3 (outer plate 4).

[0038] It is also possible to provide a greater number of vertical reinforcing plates 5, oblique reinforcing plates 6 and horizontal reinforcing plates 7 according to circumstances, and adjust the number and arrangement of each reinforcing plate according to circumstances, all within the protection scope of the present utility model.

[0039] In the heat exchange core support bottom beam provided in the specific embodiment of the utility model, the mounting part includes a connecting part 8 and a docking part 9, and the connecting part 8, the docking part 9 and the profile beam are integrally stretched and extruded, wherein the connecting part 8 is located above the profile beam, and the docking part 9 is located above the connecting part 8, that is, the lower end of the connecting part 8 is connected to the upper mounting plate 1, and the upper end of the connecting part 8 is connected to the lower end of the docking part 9, and the upper end of the docking part 9 is used to connect the supporting inclined beam to achieve the connection between the mounting part and the supporting inclined beam, and the connecting part 8 is tilted inward to achieve the inward tilt of the mounting part, which is convenient for alignment and connection with the evaporator module 16, and the inclination angle of the connecting part 8 is opposite to the inclination angle of the evaporator module 16, so that the mounting part is axially stressed to avoid pressure deformation caused by force deflection. The docking part 9 is provided with a mounting hole for bolts to pass through, and the evaporator module 16 is connected by bolts.

[0040] Specifically, the cross-section of the connecting portion 8 is a right-angled trapezoid, and the cross-section of the docking portion 9 is a rectangle. In the content shown in the attached drawings, the oblique waist of the right-angled trapezoid is connected to the upper mounting plate 1, and the right-angled waist of the right-angled trapezoid is connected to the rectangle. In fact, the right-angled trapezoid is fitted with the two side components, that is, the oblique waist of the right-angled trapezoid is shared with the upper mounting plate 1, and the right-angled waist of the right-angled trapezoid is shared with the bottom surface of the rectangle. The connecting portion 8 only needs to provide an upper bottom and a lower bottom of different lengths.

[0041] Preferably, the inner bottom corner of the connecting portion 8 is connected to the connection between the upper mounting plate 1 and the inner plate 3, and the outer bottom corner of the connecting portion 8 is connected to the middle of the upper mounting plate 1, and is close to the connection between the upper mounting plate 1 and the outer plate 4. Furthermore, the lower end width of the docking portion 9 is greater than the upper end width of the connecting portion 8, and the docking portion 9 is flush with the inner side of the connecting portion 8. In the content shown in the accompanying drawings, the inner side edge of the rectangle of the docking portion 9 is aligned with the upper bottom of the right-angled trapezoid of the connecting portion 8, and the above-mentioned inner side edge can also be aligned with the corresponding oblique reinforcing plate 6 to achieve more stable support and transmit the force along a straight line. At the same time, the outer side edge of the rectangle of the docking portion 9 protrudes from the lower bottom of the right-angled trapezoid of the connecting portion 8, so that the mounting portion forms an opening obliquely upward groove structure, and the thermal insulation cotton is embedded in this groove structure. A mounting hole for bolts to pass through is provided at the bottom of the groove structure, and the thermal insulation cotton is installed on the outside of the connecting portion 8 by bolts.

[0042] On the basis of the heat exchange core support bottom beam provided in the above-mentioned specific embodiments, a guide rail groove 10 is provided inside the connection part 8. The bottom plate of the guide rail groove 10 is perpendicular to the inner side wall of the connection part, the side wall of the guide rail groove 10 is parallel to the inner side wall of the connection part 8, and the other side wall of the guide rail groove 10 is the inner side wall of the connection part 8, forming a groove structure with an opening facing upward and tilted inward. When installing, the evaporator module 16 is pushed to slide the guide rail in the guide rail groove 10, so as to realize the rapid installation and disassembly of the evaporator module 16.

[0043] In order to improve the strength of the guide rail groove 10, an auxiliary support plate 11 is provided below the guide rail groove 10. The auxiliary support plate 11 is arranged horizontally, and the inner end of the auxiliary support plate 11 is connected to the outer wall of the inner plate 3, and the outer end of the auxiliary support plate 11 is connected to the corner of the guide rail groove 10. Furthermore, the guide rail groove 10 and the auxiliary support plate 11 are integrally stretched and extruded with the profile beam.

[0044] On the basis of the heat exchange core support bottom beam provided in the above-mentioned specific embodiments, a positioning beam 12 is provided on the upper part of the outer wall of the outer plate 4, and the thermal insulation cotton embedded in the groove structure extends downward to wrap the positioning beam, so as to facilitate the fixing of the thermal insulation cotton. In the content shown in the attached figure, the cross-section of the positioning beam 12 is a rectangle, and the inner side of the rectangle is shared with the outer plate 4. The height of the positioning beam 12 is less than the height of the outer plate 4. Specifically, the upper side of the positioning beam 12 is flush with the upper mounting plate 1, and the lower side of the positioning beam 12 is aligned with the center position of the outer plate 4. The outer side of the positioning beam 12 is provided with a mounting hole for the bolt to pass through, and the thermal insulation cotton is connected to the outer side of the positioning beam 12 by bolts. The height of the positioning beam 12 can be adjusted according to the installation method of the thermal insulation cotton, and in order to improve the strength of the positioning beam 12, an inclined support plate 13 is provided in the positioning beam 12, and the positioning beam 12 and the inclined support plate 13 are integrally stretched and extruded with the profile beam.

[0045] On the basis of the heat exchange core supporting bottom beam provided in the above-mentioned specific embodiments, a water receiving trough 14 opening upward is provided at the lower end of the outer wall of the inner plate 3, the bottom plate of the water receiving trough 14 is perpendicular to the inner plate 3, the side wall of the water receiving trough 14 is parallel to the inner plate 3, and the other side wall of the water receiving trough 14 is the inner plate 3, forming a trough structure opening upward, and the water receiving trough 14 and the profile beam are integrally stretched and extruded.

[0046] Preferably, the bottom surface of the water receiving trough 14 is flush with the lower mounting plate 2, so that the bottom surface of the water receiving trough 14 and the lower mounting plate 2 are connected to the bracket module 19. A plurality of mounting holes for bolts to pass through are provided on the bottom surface of the water receiving trough 14. Specifically, two rows of mounting holes can be provided, and the bottom surface of the water receiving trough 14 is connected to the bracket module 19 by bolts. The lower mounting plate 2 is provided with mounting holes for bolts to pass through, and the lower mounting plate 2 is connected to the bracket module 19 by bolts. All components are connected by bolts to ensure the connection strength and facilitate disassembly and installation. Other connection methods can also be used, all of which are within the protection scope of the utility model.

[0047] The rounded corners improve safety, and thermal insulation cotton is provided on the outside to avoid scratching the thermal insulation cotton.

[0048] In addition to the above-mentioned heat exchange core supporting bottom beam, the specific implementation of the utility model also provides a core bracket and a cooling unit including the above-mentioned heat exchange core supporting bottom beam. The structure of other parts of the core bracket and the cooling unit please refer to the prior art and will not be repeated in this article.

[0049] The above is a detailed introduction to the heat exchange core support bottom beam, core bracket and cooling unit provided by the utility model. This article uses specific examples to illustrate the principle and implementation method of the utility model. The description of the above embodiment is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A heat exchange core support bottom beam, characterized in that: The heat exchange core supporting bottom beam is a hollow profile beam, the profile beam comprising an upper mounting plate (1) and a lower mounting plate (2), an inner plate (3) and an outer plate (4) being arranged relative to each other between the upper mounting plate (1) and the lower mounting plate (2), a mounting portion inclined inwardly being arranged above the upper mounting plate (1), the mounting portion being used to connect to an evaporator module (16), the lower mounting plate (2) being used to connect to a bracket module (19), and a reinforcing rib plate assembly being arranged inside the profile beam.

2. The heat exchange core supporting bottom beam according to claim 1, characterized in that: The reinforcing rib plate assembly comprises a vertical reinforcing plate (5) and two oblique reinforcing plates (6), the lower end of the vertical reinforcing plate (5) being connected to the upper side of the lower mounting plate (2), the upper end of the vertical reinforcing plate (5) being connected to the lower ends of the two oblique reinforcing plates (6), and the upper ends of the two oblique reinforcing plates (6) being open to both sides and respectively connected to both sides of the lower side of the upper mounting plate (1).

3. The heat exchange core supporting bottom beam according to claim 2, characterized in that: The reinforcing rib plate assembly comprises a horizontal reinforcing plate (7), the two ends of the horizontal reinforcing plate (7) are respectively connected to the inner wall of the inner plate (3) and the inner wall of the outer plate (4), and the middle part of the horizontal reinforcing plate (7) is arranged crosswise with the vertical reinforcing plate (5).

4. The heat exchange core supporting bottom beam according to claim 1, characterized in that: The mounting portion comprises a connecting portion (8) and a docking portion (9), the lower end of the connecting portion (8) being connected to the upper surface of the upper mounting plate (1), the upper end of the connecting portion (8) being connected to the lower end of the docking portion (9), and the connecting portion (8) being inclined inwardly.

5. The heat exchange core supporting bottom beam according to claim 4, characterized in that: The inner bottom corner of the connecting portion (8) is connected to the connection point between the upper mounting plate (1) and the inner plate (3), and the outer bottom corner of the connecting portion (8) is connected to the middle portion of the upper surface of the upper mounting plate (1).

6. The heat exchange core supporting bottom beam according to claim 5, characterized in that: The width of the lower end of the docking portion (9) is greater than the width of the upper end of the connecting portion (8), and the docking portion (9) is flush with the inner side of the connecting portion (8).

7. The heat exchange core supporting bottom beam according to claim 6, characterized in that: A guide rail groove (10) is provided inside the connecting portion (8).

8. The heat exchange core supporting bottom beam according to claim 7, characterized in that: An auxiliary support plate (11) is provided below the guide rail groove (10), and the inner end of the auxiliary support plate (11) is connected to the outer wall of the inner side plate (3).

9. The heat exchange core supporting bottom beam according to claim 1, characterized in that: A positioning beam (12) is provided on the upper portion of the outer wall of the outer side plate (4); the upper surface of the positioning beam (12) is flush with the upper mounting plate (1); and an inclined support plate (13) is provided inside the positioning beam (12).

10. The heat exchange core supporting bottom beam according to any one of claims 1 to 9, characterized in that: A water receiving groove (14) opening upward is provided at the lower end of the outer wall of the inner side plate (3); the bottom surface of the water receiving groove (14) is flush with the lower mounting plate (2); and the bottom surface of the water receiving groove (14) is used to connect to the bracket module (19).

11. The heat exchange core supporting bottom beam according to claim 10, characterized in that: The bottom surface of the water receiving trough (14) is provided with a plurality of mounting holes for bolts to pass through.

12. A core support, characterized in that: It comprises a heat exchange core supporting bottom beam as described in any one of claims 1 to 11.

13. A cooling unit, characterized in that: It comprises a heat exchange core supporting bottom beam as described in any one of claims 1 to 11.

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