Air conditioner compressor mounting device and engineering machinery

CN224465613UActive Publication Date: 2026-07-07GUANGXI LIUGONG MASCH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGXI LIUGONG MASCH CO LTD
Filing Date
2025-06-27
Publication Date
2026-07-07

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Abstract

The utility model belongs to engineering machinery technical field discloses air conditioner compressor mounting device and engineering machinery. Air conditioner compressor mounting device is used for installing air conditioner compressor, tension pulley and belt in engine, air conditioner compressor mounting device includes connecting structure and mounting structure, connecting structure is connected between mounting structure and the cylinder body of engine, mounting structure has installation cavity, first installation part and second installation part are provided in installation cavity, tension pulley position adjustable installation in first installation part, air conditioner compressor is installed in second installation part, and the input end between tension pulley, the output end of engine and air compressor is wound with belt. The mounting structure of this kind of air conditioner compressor mounting device has installation cavity, and tension pulley and air conditioner compressor are installed in installation cavity, can avoid air conditioner compressor and tension pulley are bumped by external parts, improve the safety performance in use, and the position of tension pulley on first installation part is adjustable, can guarantee power transmission.
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Description

Technical Field

[0001] This utility model relates to the field of engineering machinery technology, and in particular to an air conditioning compressor installation device and engineering machinery. Background Technology

[0002] Construction machinery such as excavators and loaders typically operate outdoors in relatively harsh environments, generally requiring air conditioning systems to improve operational comfort. These systems include air conditioning compressors. To improve power transmission efficiency, reduce noise and vibration, enhance structural compactness, and improve maintenance convenience, the air conditioning compressor is usually directly connected to the engine block via a bracket to ensure synchronized vibration between the compressor and the engine. However, existing brackets offer poor protection for the air conditioning compressor, making it susceptible to impacts from external components, compromising safety during operation. Furthermore, some brackets have limited connection points, making it difficult to ensure the stability of the compressor installation.

[0003] Therefore, an air conditioning compressor installation device and engineering machinery are needed to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide an air conditioner compressor installation device and engineering machinery to ensure the installation stability of the air conditioner compressor, tension wheel and belt, effectively avoid air conditioner compressor failure caused by bumps and collisions, and improve safety during use.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] An air conditioning compressor mounting device is provided for mounting an air conditioning compressor, a tension pulley, and a belt to an engine. The air conditioning compressor mounting device includes a connecting structure and a mounting structure. The connecting structure is connected to the mounting structure and is used to connect to the cylinder block of the engine. The mounting structure has a mounting cavity, in which a first mounting part and a second mounting part are provided. The tension pulley is mounted in the first mounting part with adjustable position. The air conditioning compressor is mounted in the second mounting part. The belt is wound between the tension pulley, the output end of the engine, and the input end of the air conditioning compressor.

[0007] As an optional technical solution, the mounting structure includes a first side plate and a bottom plate. The first side plate and the bottom plate are angled to form the mounting cavity. The first mounting part is connected to the bottom plate. An adjustment groove is provided on the first mounting part. A first fixing member passes through the adjustment groove to lock the tension wheel to the first mounting part. The first fixing member can slide along the adjustment groove.

[0008] As an optional technical solution, the second mounting part includes a mounting plate and a mounting base; the mounting plate is connected to the first side plate, the mounting base is connected to the base plate, the air conditioning compressor is connected to the mounting plate through a second fixing member, and the air conditioning compressor is connected to the mounting base through a third fixing member.

[0009] As an optional technical solution, the first fixing member and / or the second fixing member and / or the third fixing member are bolts.

[0010] As an optional technical solution, the first side plate is provided with a first adjustment hole, the mounting plate is provided with a first fixing hole, and the fourth fastener passes through the first adjustment hole and the first fixing hole to connect the mounting plate to the first side plate.

[0011] As an optional technical solution, the mounting base is slidably disposed on the base plate, and the locking member can lock the mounting base to the base plate.

[0012] As an optional technical solution, the mounting structure further includes a second side plate, which is parallel to and spaced apart from the first side plate, and the base plate is connected between the first side plate and the second side plate.

[0013] As an optional technical solution, two connection structures are provided, one of which is connected between the first side plate and the cylinder block of the engine, and the other is connected between the second side plate and the cylinder block of the engine.

[0014] As an optional technical solution, the air conditioning compressor mounting device also includes a shock-absorbing structure, which is disposed between the connecting structure and the vehicle frame.

[0015] As an optional technical solution,

[0016] Construction machinery, the construction machinery including an engine and an air conditioning compressor mounting device as described above, the connecting structure being connected to the cylinder block of the engine, and the belt being connected to the output end of the engine.

[0017] The beneficial effects of this utility model are:

[0018] This utility model discloses an air conditioning compressor mounting device. The device is used to mount an air conditioning compressor, a tension pulley, and a belt to an engine. The device includes a connecting structure and a mounting structure. The connecting structure is connected to the mounting structure and is used to connect to the engine block. The mounting structure has a mounting cavity containing a first mounting part and a second mounting part. The tension pulley is adjustablely mounted on the first mounting part, and the air conditioning compressor is mounted on the second mounting part. The belt is wound between the tension pulley, the engine output end, and the air conditioning compressor input end. This mounting structure, with its mounting cavity containing the first and second mounting parts, respectively mounts the tension pulley and the air conditioning compressor. This prevents the air conditioning compressor and tension pulley from being bumped by external components, improving safety during use. Furthermore, the adjustable position of the tension pulley on the first mounting part ensures power transmission and improves the performance of the air conditioning compressor mounting device.

[0019] This utility model also discloses an engineering machinery, which includes an engine and the aforementioned air conditioning compressor mounting device. The connecting structure is connected to the engine cylinder block, and the belt is connected to the engine output end, thereby ensuring the installation stability of the air conditioning compressor tensioner, avoiding collisions, extending the service life of the engineering machinery, and ensuring that the air conditioning compressor and the engine are at the same vibration frequency, thereby effectively reducing noise and improving the user experience. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the air conditioner compressor installation device according to an embodiment of the present utility model;

[0021] Figure 2 This is an exploded view of the air conditioner compressor installation device according to an embodiment of the present utility model;

[0022] Figure 3 This is a first schematic diagram of a portion of the installation structure according to an embodiment of the present utility model;

[0023] Figure 4 This is a second schematic diagram of a portion of the installation structure according to an embodiment of the present utility model;

[0024] Figure 5 This is a schematic diagram of the connection structure according to an embodiment of the present utility model.

[0025] In the picture:

[0026] 10. Air conditioner compressor;

[0027] 20. Tensioner;

[0028] 30. Belt;

[0029] 41. Connecting structure; 411. First connecting plate; 4111. Cylinder body connecting through hole; 412. Second connecting plate; 4121. Second connecting through hole; 4122. Shock-absorbing structure mounting part; 42. Mounting structure; 421. First side plate; 4211. First adjusting hole; 422. Base plate; 423. Second side plate; 424. Flanged edge; 4241. First connecting through hole; 4242. Second connecting through hole; 43. First mounting part; 431. Adjusting groove; 44. Second mounting part; 441. Mounting plate; 4411. First connecting hole; 4412. First support plate; 4413. Second support plate; 442. Mounting base; 4421. Second connecting hole;

[0030] 50. First fastener;

[0031] 60. Second fastener;

[0032] 70. Third fastener; 71. Third fastening bolt; 72. Second fastening nut;

[0033] 80. Fourth fastener;

[0034] 91. First connecting fastener; 92. Second connecting fastener. Detailed Implementation

[0035] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0036] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0038] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0039] like Figures 1 to 5 As shown, this embodiment provides an air conditioning compressor mounting device for mounting an air conditioning compressor 10, a tension pulley 20, and a belt 30 to an engine. The air conditioning compressor mounting device includes a connecting structure 41 and a mounting structure 42. The connecting structure 41 is connected to the mounting structure 42 and is used to connect to the engine block. The mounting structure 42 has a mounting cavity, in which a first mounting part 43 and a second mounting part 44 are provided. The tension pulley 20 is mounted in the first mounting part 43 with adjustable position. The air conditioning compressor 10 is mounted in the second mounting part 44. The belt 30 is wound between the tension pulley 20, the output end of the engine, and the input end of the air conditioning compressor 10. Specifically, in this embodiment, the connecting structure 41 is connected between the engine block and the mounting structure 42, which can ensure that the mounting structure 42 itself has good installation stability. The mounting structure 42 has a mounting cavity, in which the first mounting part 43 is used to install the tensioner 20, and the second mounting part 44 is used to install the air conditioning compressor 10, so that the air conditioning compressor 10 and the tensioner 20 are both located in the mounting cavity, effectively preventing external parts or other objects from bumping into the air conditioning compressor 10 and the tensioner 20, thereby improving the safety performance during use; at the same time, the tensioner 20 is mounted on the first mounting part 43 in an adjustable position. This installation method ensures that the belt 30 is always in a taut state and improves the convenience of installation.

[0040] Furthermore, such as Figure 3 and Figure 4As shown, the mounting structure 42 includes a first side plate 421 and a bottom plate 422. The first side plate 421 and the bottom plate 422 are angled to form a mounting cavity. A first mounting part 43 is disposed on the bottom plate 422. An adjustment groove 431 is provided on the first mounting part 43. A first fixing member 50 passes through the adjustment groove 431 to lock the tension wheel 20 to the first mounting part 43. The first fixing member 50 can slide along the adjustment groove 431. Specifically, in this embodiment, the first side plate 421 and the bottom plate 422 are angled together, forming a mounting cavity between them. This ensures the proper placement of the tension wheel 20, prevents it from being bumped, and thus ensures its performance and safety, preventing transmission failure. The first fixing member 50 locks the tension wheel 20 to the first mounting part 43, which provides support and ensures its positional stability during transmission. The first fixing member 50 slides in the adjustment groove 431 of the first mounting part 43, allowing adjustment of the tension wheel 20's position and thus the belt 30's tension, ensuring normal transmission. This design also improves the ease of belt 30 installation.

[0041] Optionally, in this embodiment, as Figure 3 and Figure 4 As shown, the adjustment groove 431 is a waist-shaped groove, and the adjustment groove 431 extends along the first direction, the base plate 422 extends along the second direction, and the axis of the tension wheel 20 extends along the third direction. The first direction, the second direction, and the third direction are perpendicular to each other. This arrangement allows the position of the tension wheel 20 in the first direction to be adjustable, thereby ensuring the normal tension and relaxation of the belt 30, improving the ease of installation and the safety during use.

[0042] Optionally, in this embodiment, as Figure 3 and Figure 4 As shown, the first mounting part 43 has a plate-like structure and is integrally formed with the base plate 422, which can improve the positional stability of the first mounting part 43, thereby improving the installation stability of the tensioning wheel 20. To further improve the structural strength of the first mounting part 43, a stiffening rib is provided between the first mounting part 43 and the base plate 422.

[0043] In another embodiment, the first mounting part 43 is slidably disposed on the base plate 422 along the second direction, thereby enabling the position of the tension wheel 20 to be adjusted in both the first and second directions, further improving the flexibility of the setting position of the tension wheel 20 and ensuring the tensioning effect of the belt 30.

[0044] More preferably, a first sliding groove is provided on the base plate 422, the first sliding groove extends along the second direction, and a first slider is provided on the first mounting part 43. The first slider can slide along the first sliding groove, thereby adjusting the position of the first mounting part 43 on the base plate 422 along the second direction and improving the positional flexibility of the tensioning wheel 20.

[0045] Furthermore, such as Figure 2 As shown, the first fixing member 50 is a first fastening bolt, which passes through the adjusting groove 431 and the center hole of the tensioning wheel 20 and is threadedly connected to the first fastening nut. Specifically, in this embodiment, the first fastening bolt and the first fastening nut can press the tensioning wheel 20 tightly against the first mounting part 43, thereby improving the installation stability of the tensioning wheel 20.

[0046] Optionally, a shim can be provided between the tension wheel 20 and the first mounting part 43 to adjust the axial position of the tension wheel 20, thereby improving the positional accuracy of the installation.

[0047] Furthermore, such as Figures 2 to 4 As shown, the second mounting part 44 includes a mounting plate 441 and a mounting base 442. The mounting plate 441 is connected to the first side plate 421, and the mounting base 442 is connected to the base plate 422. The air conditioning compressor 10 is connected to the mounting plate 441 via a second fixing member 60, and the air conditioning compressor 10 is connected to the mounting base 442 via a third fixing member 70. Specifically, in this embodiment, the mounting plate 441 is connected to the first side plate 421, and the mounting base 442 is connected to the base plate 422. The first mounting part 43 and the mounting base 442 are used to fix the air conditioning compressor 10 in two directions respectively, thereby improving the installation stability of the air conditioning compressor 10.

[0048] Specifically, in this embodiment, the mounting base 442 is fixedly mounted on the base plate 422, thereby improving stability during use.

[0049] In another embodiment, the mounting base 442 can slide along the second direction on the base plate 422, and the locking member can lock the mounting base 442 to the base plate 422, thereby ensuring the installation stability of the mounting base 442 and adjusting the position of the mounting base 442 on the base plate 422 along the second direction, thus adapting to air conditioner compressors 10 of different models and sizes and improving the versatility of the air conditioner compressor installation device.

[0050] Furthermore, such as Figure 2 and Figure 4As shown, the second fastener 60 is a second fastening bolt. The mounting plate 441 is provided with a first connecting hole 4411, and the air conditioning compressor 10 is provided with a first threaded hole. The second fastening bolt passes through the first connecting hole 4411 and is threadedly connected to the first threaded hole. Specifically, in this embodiment, the second fastening bolt can connect the air conditioning compressor 10 to the mounting plate 441. This connection method not only facilitates disassembly and assembly, improving the efficiency of disassembly and assembly, but also has good stability, improving safety during use.

[0051] Optionally, when the first threaded hole on the air conditioner compressor 10 is a through hole, the second fastener 60 is a second fastening bolt. The second fastening bolt passes through the first connecting hole 4411 and the through hole on the air conditioner compressor 10 in sequence and is threadedly connected to the third fastening nut, thereby connecting the air conditioner compressor 10 to the first side plate 421.

[0052] Furthermore, such as Figure 2 As shown, the third fixing component 70 is the third fastening bolt 71. The mounting base 442 is provided with a second connecting hole 4421, and the air conditioning compressor 10 is provided with a third connecting hole. The third fastening bolt 71 passes through the second connecting hole 4421 and the third connecting hole in sequence and is threadedly connected to the second fastening nut 72. Specifically, in this embodiment, this connection method is easy to disassemble and has good installation stability, which will not be elaborated here.

[0053] Optionally, in this embodiment, as Figure 3 and Figure 4 As shown, the mounting base 442 has a columnar structure, which makes the second connecting hole 4421 longer. The air conditioning compressor 10 is provided with two mutually spaced mounting ears, and each mounting ear is provided with the aforementioned third connecting hole. This arrangement makes it easy to clamp the mounting base 442 between the two mounting ears of the air conditioning compressor 10, thus improving the stability of the connection.

[0054] Furthermore, a first adjustment hole 4211 is provided on the first side plate 421, and a first fixing hole is provided on the mounting plate 441. The fourth fixing member 80 passes through the first adjustment hole 4211 and the first fixing hole. Specifically, in this embodiment, the first adjustment hole 4211 on the first side plate 421 is an oblong hole, and the oblong hole extends along a third direction, thereby making the position of the mounting plate 441 on the first side plate 421 adjustable along the third direction. This allows the position of the air conditioning compressor 10 in the third direction to be adjusted, ensuring that the input end of the air conditioning compressor 10, the tension wheel 20, and the output end of the engine are located on the same plane, ensuring the installation accuracy of the belt 30. This not only improves the installation position accuracy but also enhances the performance and operational stability. Furthermore, it allows the mounting structure 42 to be applied to air conditioning compressors 10 of different sizes and specifications, improving versatility.

[0055] Optionally, in this embodiment, the fourth fastener 80 includes a fourth fastening bolt and a fourth fastening nut. The fourth fastening bolt passes through the first adjusting hole 4211 and the first fixing hole and is threadedly connected to the fourth fastening nut, thereby improving installation stability and ease of assembly and disassembly.

[0056] Optionally, in this embodiment, as Figure 4 As shown, the mounting plate 441 includes a first support plate 4412 and a second support plate 4413. The first support plate 4412 and the second support plate 4413 are perpendicular to each other. A first fixing hole is provided in the first support plate 4412 for connecting the first side plate 421, and a first connecting hole 4411 is provided in the second support plate 4413 for connecting the air conditioner compressor 10. This arrangement improves the structural strength of the mounting plate 441 and ensures the installation stability of the air conditioner compressor 10.

[0057] Optionally, in this embodiment, a reinforcing rib is also provided between the first support plate 4412 and the second support plate 4413, which can further improve the structural strength.

[0058] Furthermore, such as Figure 3 and Figure 4 As shown, the mounting mechanism also includes a second side plate 423, which is parallel to and spaced apart from the first side plate 421. A base plate 422 is connected between the first side plate 421 and the second side plate 423. Specifically, in this embodiment, the second side plate 423 and the first side plate 421 are parallel to and spaced apart, and the base plate 422 is connected between the first side plate 421 and the second side plate 423. This allows the mounting structure 42 to have an overall U-shaped structure, thereby enabling the second side plate 423 to shield the mounting cavity, further preventing external structures from impacting the air conditioning compressor 10 and the tensioning wheel 20, and improving the safety performance of the air conditioning compressor 10 and the tensioning wheel 20 during use.

[0059] Optionally, in this embodiment, as Figure 3 and Figure 4 As shown, the first side plate 421 is connected to the air conditioning compressor 10 via the mounting plate 441, and the bottom plate 422 is connected to the air conditioning compressor 10 via the mounting base 442. The air conditioning compressor 10 connects the first side plate 421 and the bottom plate 422, effectively ensuring the structural strength between the first side plate 421 and the bottom plate 422. A stiffening plate is provided between the second side plate 423 and the bottom plate 422, thereby ensuring the structural strength between the second side plate 423 and the bottom plate 422 and improving the overall structural strength of the air conditioning compressor mounting device.

[0060] Furthermore, such as Figure 1 , Figure 2 and Figure 5As shown, two connecting structures 41 are provided. One connecting structure 41 connects between the first side plate 421 and the engine cylinder block, and the other connecting structure 41 connects between the second side plate 423 and the engine cylinder block. Specifically, in this embodiment, one connecting structure 41 connects between the first side plate 421 and the engine cylinder block, and the other connecting structure 41 connects between the second side plate 423 and the engine cylinder block. The connection positions of the two connecting structures 41 and the engine cylinder block are spaced apart. This arrangement makes the installation stability of the mounting structure 42 higher, thus improving the installation stability of the air conditioning compressor 10 and the tensioning wheel 20.

[0061] Optionally, in this embodiment, as Figures 1 to 5 As shown, a first flange 424 is provided on the first side plate 421, and a first connecting through hole 4241 is provided on the first flange 424. A second connecting through hole 4242 is provided on the connecting structure 41 connected to the first side plate 421. A first connecting fastener 91 passes through the first connecting through hole 4241 and the second connecting through hole 4242 to detachably connect the first side plate 421 and the corresponding connecting structure 41. A second flange 424 is provided on the second side plate 423, and a third connecting through hole is provided on the second flange 424. A fourth connecting through hole is provided on the connecting structure 41 connected to the second side plate 423. A second connecting fastener 92 passes through the third connecting through hole and the fourth connecting through hole to detachably connect the second side plate 423 and the corresponding connecting structure 41.

[0062] Optionally, both the first connecting fastener 91 and the second connecting fastener 92 include bolts and nuts.

[0063] In another embodiment, the first connecting fastener 91 and the second connecting fastener 92 are locking pins or rivets, etc., and no specific limitation is made here.

[0064] Optionally, in this embodiment, as Figure 5 As shown, the connection structure 41 includes a first connecting plate 411 and a second connecting plate 412 arranged at an angle. The second connecting through hole 4242 and the fourth connecting through hole are both opened on the corresponding second connecting plate 412. The first connecting plate 411 is provided with a cylinder block connecting through hole 4111 for connecting with the cylinder block of the engine. The first connecting plate 411 and the second connecting plate 412 are arranged at an angle, which can ensure the flexibility of connection with the engine and further ensure the installation position of the air conditioning compressor 10 and the tensioning wheel 20.

[0065] Furthermore, such as Figure 5As shown, the air conditioning compressor mounting device also includes a shock-absorbing structure, which is disposed between the connecting structure 41 and the vehicle frame. Specifically, in this embodiment, in order to improve the connection stability of the air conditioning compressor mounting device, the connecting structure 41 is also connected to the vehicle frame, and the shock-absorbing structure is disposed between the connecting structure 41 and the vehicle frame, thereby effectively preventing the vibration generated by the engine movement from being transmitted to the vehicle frame, which can effectively reduce noise and improve the stability of the installation.

[0066] Optionally, a damping structure mounting part 4122 for mounting the above-mentioned damping structure is provided on the second connecting plate 412.

[0067] This embodiment also provides a piece of construction machinery, which includes an engine and the aforementioned air conditioning compressor mounting device. The connecting structure 41 is connected to the engine block, and the belt 30 is connected to the engine output end, thereby ensuring the installation stability of the air conditioning compressor 10 and the tension pulley 20, avoiding collisions, extending the service life of the construction machinery, and ensuring that the air conditioning compressor 10 and the engine are at the same vibration frequency, which can effectively reduce noise and improve the user experience.

[0068] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. An air conditioning compressor mounting device for mounting an air conditioning compressor (10), a tension pulley (20), and a belt (30) to an engine, characterized in that, The air conditioning compressor mounting device includes a connecting structure (41) and a mounting structure (42). The connecting structure (41) is connected to the mounting structure (42), and the connecting structure (41) is used to connect to the cylinder block of the engine. The mounting structure (42) has a mounting cavity, in which a first mounting part (43) and a second mounting part (44) are provided. The tension pulley (20) is mounted in the first mounting part (43) with adjustable position. The air conditioning compressor (10) is mounted in the second mounting part (44). The belt (30) is wound between the tension pulley (20), the output end of the engine and the input end of the air conditioning compressor (10).

2. The air conditioner compressor installation device according to claim 1, characterized in that, The mounting structure (42) includes a first side plate (421) and a bottom plate (422). The first side plate (421) and the bottom plate (422) are angled to form the mounting cavity. The first mounting part (43) is connected to the bottom plate (422). An adjustment groove (431) is provided on the first mounting part (43). A first fixing member (50) passes through the adjustment groove (431) to lock the tension wheel (20) to the first mounting part (43). The first fixing member (50) can slide along the adjustment groove (431).

3. The air conditioner compressor installation device according to claim 2, characterized in that, The second mounting part (44) includes a mounting plate (441) and a mounting base (442); the mounting plate (441) is connected to the first side plate (421), the mounting base (442) is connected to the base plate (422), the air conditioning compressor (10) is connected to the mounting plate (441) through a second fastener (60), and the air conditioning compressor (10) is connected to the mounting base (442) through a third fastener (70).

4. The air conditioner compressor installation device according to claim 3, characterized in that, The first fastener (50) and / or the second fastener (60) and / or the third fastener (70) are bolts.

5. The air conditioner compressor installation device according to claim 3, characterized in that, The first side plate (421) is provided with a first adjustment hole (4211), the mounting plate (441) is provided with a first fixing hole, and the fourth fixing member (80) passes through the first adjustment hole (4211) and the first fixing hole to connect the mounting plate (441) to the first side plate (421).

6. The air conditioner compressor installation device according to claim 3, characterized in that, The mounting base (442) is slidably disposed on the base plate (422), and the locking member can lock the mounting base (442) to the base plate (422).

7. The air conditioner compressor installation device according to claim 2, characterized in that, The mounting structure (42) further includes a second side plate (423), which is parallel to and spaced apart from the first side plate (421), and the base plate (422) is connected between the first side plate (421) and the second side plate (423).

8. The air conditioner compressor installation device according to claim 7, characterized in that, Two connection structures (41) are provided, one of which is connected between the first side plate (421) and the cylinder block of the engine, and the other is connected between the second side plate (423) and the cylinder block of the engine.

9. The air conditioner compressor installation device according to claim 7, characterized in that, The air conditioning compressor mounting device also includes a shock-absorbing structure, which is disposed between the connecting structure (41) and the vehicle frame.

10. Construction machinery, characterized in that, The construction machinery includes an engine and an air conditioning compressor installation device as described in any one of claims 1-9, wherein the connecting structure (41) is connected to the cylinder block of the engine and the belt (30) is connected to the output end of the engine.