A rotatable hydraulic oil cooler

By installing a bearing seat and a rotatable hydraulic joint at the bottom of the radiator mounting box, a rotatable hydraulic oil radiator was designed, which solved the problem of insufficient maintenance space for the radiator, simplified the maintenance process, and extended the service life of the hydraulic pipes.

CN224579587UActive Publication Date: 2026-07-31GUANGXI XUVOL AONSTRUCTION MASCH AQUIPMENT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGXI XUVOL AONSTRUCTION MASCH AQUIPMENT CO LTD
Filing Date
2025-08-14
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

In existing engineering vehicles, the crowded layout around the radiator results in insufficient maintenance space, making it difficult to disassemble the entire radiator for inspection. Furthermore, the hydraulic pipes cannot rotate with the radiator, increasing the difficulty of maintenance.

Method used

Design a rotatable hydraulic oil radiator. By setting a bearing seat and a rotatable hydraulic joint at the bottom of the radiator mounting box, the radiator can be rotated open while the hydraulic pipes remain stationary, simplifying the maintenance process.

Benefits of technology

This allows for convenient maintenance of the fan and motor without disassembling the entire radiator, reducing maintenance complexity and extending the service life of the hydraulic hoses.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224579587U_ABST
    Figure CN224579587U_ABST
Patent Text Reader

Abstract

This utility model provides a rotatable hydraulic oil radiator, belonging to the field of radiators. It includes a radiator mounting housing, a hydraulic oil radiator, a bearing housing, an inlet hydraulic pipe, and a return hydraulic pipe. The hydraulic oil radiator is mounted on the radiator mounting housing. The bearing housing is located at the lower left corner of the bottom of the radiator mounting housing. An upper hydraulic connector adapter block and a lower hydraulic connector adapter block are respectively provided at the upper and lower ends of one side of the hydraulic oil radiator. A double-row roller bearing is provided at the lower end of the lower hydraulic connector adapter block, and the double-row roller bearing is mounted on the bearing housing. The upper end of the lower hydraulic connector adapter block is connected to the inlet hydraulic pipe via a lower rotatable hydraulic connector, and the upper hydraulic connector adapter block is connected to the return hydraulic pipe via an upper rotatable hydraulic connector. This utility model allows for maintenance of the hydraulic oil radiator by removing the screws on the mounting base and rotating it a certain angle on the bearing housing.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of radiators, and more particularly to a rotatable hydraulic oil radiator. Background Technology

[0002] In some engineering vehicles, to achieve a compact overall size or for specific styling, the radiator housing is relatively small. If the layout around the radiator is cramped and the reserved maintenance space is insufficient, it may be necessary to disassemble the entire radiator when inspecting the radiator fan and motor, making the maintenance process cumbersome and difficult. Furthermore, the radiator, being a large unit, can obstruct other components, hindering maintenance personnel from inspecting them. To address these difficulties in radiator maintenance caused by compromises made for vehicle layout design, a new type of rotatable radiator assembly was designed. This new radiator assembly is equipped with a rotating bearing housing, allowing the radiator body to be opened outwards at a certain angle around the central axis of rotation, thus creating operating space for maintenance. However, the radiator is connected to two hydraulic pipes for oil inlet and outlet. These two hydraulic pipes have a relatively large outer diameter, are quite stiff, and have a large bending radius, making it impossible for them to rotate and move with the radiator. To solve this problem, a rotatable hydraulic connector is added at the connection point between the hydraulic pipe clips and the radiator, allowing the hydraulic pipes to remain stationary while the radiator rotates. Making the hydraulic oil cooler rotatable can effectively solve the problem of difficult maintenance in confined spaces, thus allowing for a more compact vehicle structure design. Utility Model Content

[0003] The purpose of this invention is to provide a rotatable hydraulic oil radiator, which solves the technical problem of difficult maintenance of existing radiators.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A rotatable hydraulic oil radiator includes a radiator mounting housing, a hydraulic oil radiator, a bearing housing, an inlet hydraulic pipe, and a return hydraulic pipe. The hydraulic oil radiator is mounted on the radiator mounting housing. The bearing housing is located at the lower left corner of the bottom of the radiator mounting housing. An upper hydraulic connector 90-degree adapter block and a lower hydraulic connector 90-degree adapter block are respectively provided at the upper and lower ends of one side of the hydraulic oil radiator. A double-row roller bearing is provided at the lower end of the lower hydraulic connector 90-degree adapter block, and the double-row roller bearing is mounted on the bearing housing. The upper end of the lower hydraulic connector 90-degree adapter block is connected to the inlet hydraulic pipe through a lower rotatable hydraulic connector, and the upper hydraulic connector 90-degree adapter block is connected to the return hydraulic pipe through an upper rotatable hydraulic connector.

[0005] Furthermore, the bearing housing is connected to the radiator mounting box via bearing housing fixing screws, and two radiator mounting seats are respectively provided on one side of the bearing housing. The radiator mounting seats are connected to the hydraulic oil radiator via radiator fixing screws. Furthermore, the hydraulic oil radiator includes a hydraulic oil radiator body, a fan, and a fan motor. The fan is mounted on the hydraulic oil radiator body, and a motor connecting frame is provided in the middle of the hydraulic oil radiator body. The motor connecting frame is located on one side of the fan, and the fan motor is mounted on the motor connecting frame. The output end of the fan motor is connected to the fan. Furthermore, connecting blocks are respectively provided at the upper and lower ends of one side of the hydraulic oil radiator body. The upper connecting block is connected to the upper hydraulic connector 90-degree adapter block by adapter block fixing screws, and an O-ring is provided between the connecting block and the upper hydraulic connector 90-degree adapter block. The lower connecting block is connected to the lower hydraulic connector 90-degree adapter block by adapter block fixing screws, and an O-ring is provided between the connecting block and the lower hydraulic connector 90-degree adapter block.

[0006] Furthermore, the connecting block is configured as a hollow connecting block, and the connecting block is connected to the hydraulic oil channel of the hydraulic oil radiator body. The upper hydraulic connector 90-degree adapter block is connected to the connecting block and the upper rotatable hydraulic connector respectively. The return hydraulic pipe is connected to the upper rotatable hydraulic connector by a return steel pipe section. The lower hydraulic connector 90-degree adapter block is connected to the connecting block and the lower rotatable hydraulic connector respectively. The inlet hydraulic pipe is connected to the lower rotatable hydraulic connector by an inlet steel pipe section.

[0007] Furthermore, the bottom end of the 90-degree transition block of the lower hydraulic connector is connected to a connecting shaft, the double-row roller bearing is sleeved on the connecting shaft, one end of the connecting shaft is provided with a snap ring groove, and a snap ring is provided in the snap ring groove.

[0008] Furthermore, the lower rotatable hydraulic connector includes a connector rotating end, a clamping sleeve, steel balls, and a connector fixed end. The clamping sleeve is fitted onto the middle of the connector rotating end, and one end of the connector fixed end is fitted onto both the connector rotating end and the clamping sleeve. A needle roller bearing and a rubber sealing ring are provided between the connector fixed end and the connector rotating end, and the steel balls are disposed between the connector rotating end and the clamping sleeve.

[0009] This utility model, by adopting the above-mentioned technical solution, has the following beneficial effects: 1. This utility model provides a bearing seat at the bottom of the radiator mounting box. During normal operation, the hydraulic oil radiator is fixed on the mounting seat of the radiator mounting box. When maintenance is required, the screws on the mounting seat are removed, and the hydraulic oil radiator rotates and opens to a certain angle on the bearing seat, which facilitates maintenance of the fan and fan motor of the hydraulic oil radiator. At the same time, the parts that were covered by the hydraulic oil radiator become easy to access without the need for a complicated disassembly process.

[0010] 2. This utility model adds a rotatable hydraulic joint in the middle of the connection between the hydraulic oil radiator and the hydraulic oil pipe. When the hydraulic oil radiator rotates, the hydraulic oil pipe does not need to rotate with it. This solves the problem that the hydraulic oil pipe is difficult to rotate, bend and shift with the hydraulic oil radiator because the outer diameter of the hydraulic oil pipe is relatively large and the material is relatively hard. At the same time, it increases the service life of the hydraulic oil pipe to a certain extent. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the installation of the hydraulic oil radiator of this utility model; Figure 2 This is a schematic diagram of the hydraulic oil radiator of this utility model being rotated open; Figure 3 This is a schematic diagram of the structure of the hydraulic oil radiator of this utility model; Figure 4 This is a disassembly diagram of the hydraulic oil cooler of this utility model; Figure 5 This is a schematic diagram of the hydraulic oil flow in the hydraulic oil radiator of this utility model; Figure 6 This is a schematic diagram of the structure of the rotatable hydraulic joint of this utility model; Figure 7 This is a cross-sectional view of the rotatable hydraulic joint of this utility model; Figure 8 This is a disassembly diagram of the rotatable hydraulic joint of this utility model; Figure 9 This is a cross-sectional schematic diagram of the rotating end of the connector of this utility model; Figure 10 This is a cross-sectional view of the present invention; Figure 11 This is a cross-sectional view of the fixed end of the connector of this utility model; In the attached diagram, 1-Radiator mounting housing, 2-Hydraulic oil radiator, 3-Bearing housing, 4-Inlet hydraulic pipe, 5-Return hydraulic pipe, 6-Upper hydraulic connector 90-degree adapter block, 7-Lower hydraulic connector 90-degree adapter block, 8-Double row roller bearing, 9-Lower rotatable hydraulic connector, 10-Upper rotatable hydraulic connector, 11-Bearing housing fixing screw, 12-Radiator mounting base, 13-Radiator fixing screw, 21-Hydraulic oil radiator body, 22-Fan, 23-Fan motor, 24-Motor connecting bracket, 25-Connecting block, 26-Adapter block fixing screw, 27-Inlet steel pipe section, 28-Return steel pipe section, 29-O-ring seal, 30-Connecting shaft, 31-Snap ring groove, 32-Snap ring, 33-Connector rotating end, 34-Pressure sleeve, 35-Steel ball, 36-Needle roller bearing, 37-Connector fixing end. Detailed Implementation

[0012] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided with reference to the accompanying drawings and preferred embodiments. However, it should be noted that many details listed in the specification are merely to provide the reader with a thorough understanding of one or more aspects of this utility model, and these aspects can be achieved even without these specific details.

[0013] like Figure 1-5 As shown, a rotatable hydraulic oil radiator includes a radiator mounting housing 1, a hydraulic oil radiator 2, a bearing seat 3, an inlet hydraulic pipe 4, and a return hydraulic pipe 5. The hydraulic oil radiator 2 is mounted on the radiator mounting housing 1. The bearing seat 3 is located at the lower left corner of the bottom of the radiator mounting housing 1. An upper hydraulic connector 90-degree adapter block 6 and a lower hydraulic connector 90-degree adapter block 7 are respectively provided at the upper and lower ends of one side of the hydraulic oil radiator 2. A double-row roller bearing 8 is provided at the lower end of the lower hydraulic connector 90-degree adapter block 7, and the double-row roller bearing 8 is mounted on the bearing seat 3. The upper end of the lower hydraulic connector 90-degree adapter block 7 is connected to the inlet hydraulic pipe 4 via a lower rotatable hydraulic connector 9. The upper hydraulic connector 90-degree adapter block 6 is connected to the return hydraulic pipe 5 via an upper rotatable hydraulic connector 10. The upper rotatable hydraulic connector 10 has the same structure as the lower rotatable hydraulic connector 9. When the hydraulic oil cooler 2 is opened during maintenance, the double-row roller bearing 8 rotates on the bearing seat 3, causing the hydraulic oil cooler 2 to rotate and open at a certain angle, which facilitates maintenance of the hydraulic oil cooler 2. The structure is simple and the operation is convenient.

[0014] like Figure 1As shown, the bearing seat 3 is connected to the radiator mounting housing 1 by bearing seat fixing screws 11. Two radiator mounting seats 12 are respectively provided on one side of the bearing seat 3. The radiator mounting seats 12 are connected to the hydraulic oil radiator 2 by radiator fixing screws 13. When the hydraulic oil radiator 2 is working normally, the radiator mounting seats 12 are connected to the hydraulic oil radiator 2 by the radiator fixing screws 13. When the hydraulic oil radiator 2 needs maintenance, the radiator fixing screws 13 can be removed to rotate and open the hydraulic oil radiator 2.

[0015] like Figure 3 As shown, the hydraulic oil radiator 2 includes a hydraulic oil radiator body 21, a fan 22, and a fan motor 23. The fan 22 is mounted on the hydraulic oil radiator body 21. A motor connecting frame 24 is located in the middle of the hydraulic oil radiator body 21 and is positioned on one side of the fan 22. The fan motor 23 is mounted on the motor connecting frame 24, and its output end is connected to the fan 22. The motor connecting frame 24 is used to connect and fix the fan motor 23. When the fan motor 23 is started, it drives the fan 22 to rotate.

[0016] like Figure 4-5As shown, connecting blocks 25 are respectively provided at the upper and lower ends of one side of the hydraulic oil radiator body 21. The upper connecting block 25 is connected to the upper hydraulic connector 90-degree adapter block 6 by adapter block fixing screws 26. An O-ring seal 29 is provided between the connecting block 25 and the upper hydraulic connector 90-degree adapter block 6. The lower connecting block 25 is connected to the lower hydraulic connector 90-degree adapter block 7 by adapter block fixing screws 26. An O-ring seal 29 is provided between the connecting block 25 and the lower hydraulic connector 90-degree adapter block 7. The O-ring seal 29 is used to prevent hydraulic oil leakage. The connecting block 25 is a hollow connecting block, and it communicates with the hydraulic oil channel of the hydraulic oil radiator body 21. The upper hydraulic connector 90-degree adapter block 6 is connected to the connecting block 25 and the upper rotatable hydraulic connector 10 respectively. The return hydraulic pipe 5 is connected to the upper rotatable hydraulic connector 10 by a return steel pipe section 28. The lower hydraulic connector 90-degree adapter block 7 is connected to the connecting block 25 and the lower rotatable hydraulic connector 9 respectively. The inlet hydraulic pipe 4 is connected to the lower rotatable hydraulic connector 9 by an inlet steel pipe section 27. The bottom end of the lower hydraulic connector 90-degree adapter block 7 is connected to a connecting shaft 30. The double-row roller bearing 8 is sleeved on the connecting shaft 30. One end of the connecting shaft 30 is provided with a retaining ring groove 31, and a retaining ring 32 is provided in the retaining ring groove 31 to prevent the double-row roller bearing 8 from slipping off the connecting shaft 30. After the double-row roller bearing 8 is installed on the connecting shaft 30, the retaining ring 32 is installed in the retaining ring groove 31. Hydraulic oil enters from the inlet hydraulic pipe 4, passes through the inlet steel pipe section 27 and enters the lower rotatable hydraulic joint 9, then passes through the lower hydraulic joint 90-degree adapter block 7 and enters the hydraulic oil radiator body 21 from the lower connecting block 25. After exiting from the upper connecting block 25, it passes through the upper hydraulic joint 90-degree adapter block 6 and enters the upper rotatable hydraulic joint 10, and then enters the return hydraulic pipe 5 through the return steel pipe section 28.

[0017] like Figure 6-11As shown, the lower rotatable hydraulic connector 9 includes a connector rotating end 33, a clamping sleeve 34, steel balls 35, and a connector fixing end 37. The clamping sleeve 34 is fitted onto the middle of the connector rotating end 33. One end of the connector fixing end 37 is fitted onto both the connector rotating end 33 and the clamping sleeve 34. A needle roller bearing 36 and a rubber sealing ring 38 are provided between the connector fixing end 37 and the connector rotating end 33. The steel balls 35 are located between the connector rotating end 33 and the clamping sleeve 34. One end of the connector rotating end 33 has an external thread 331, and the middle of the connector rotating end 33 has a steel ball raceway 332. The needle roller bearing 36 and the rubber sealing ring 38 are fitted onto the other end of the connector rotating end 33. The outer side of one end of the clamping sleeve 34 has an external thread 341, and the inner side of one end of the clamping sleeve 34 has a steel ball raceway 342. The inner middle portion of the fixed end 37 of the connector is provided with a needle roller bearing mounting position 371 and a sealing ring groove 372. One end of the fixed end 37 has an external thread 373 on its outer side, and the other end has an internal thread 374 on its inner side. A ball bearing raceway 375 is provided between the needle roller bearing mounting position 371 and the internal thread 374. When the hydraulic oil radiator 2 rotates, the rotating end 33 of the connector rotates on the fixed end 37 of the connector, so that when the hydraulic oil radiator 2 is rotated open, the hydraulic oil pipe remains stationary.

[0018] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A rotatably open hydraulic oil radiator characterized by: The system includes a radiator mounting box (1), a hydraulic oil radiator (2), a bearing seat (3), an inlet hydraulic pipe (4), and a return hydraulic pipe (5). The hydraulic oil radiator (2) is mounted on the radiator mounting box (1). The bearing seat (3) is located at the lower left corner of the bottom of the radiator mounting box (1). The upper and lower ends of one side of the hydraulic oil radiator (2) are respectively provided with an upper hydraulic connector 90-degree adapter block (6) and a lower hydraulic connector 90-degree adapter block (7). The lower end of the lower hydraulic connector 90-degree adapter block (7) is provided with a double-row roller bearing (8). The double-row roller bearing (8) is mounted on the bearing seat (3). The upper end of the lower hydraulic connector 90-degree adapter block (7) is connected to the inlet hydraulic pipe (4) through a lower rotatable hydraulic connector (9). The upper hydraulic connector 90-degree adapter block (6) is connected to the return hydraulic pipe (5) through an upper rotatable hydraulic connector (10).

2. A rotatably open hydraulic oil radiator according to claim 1, characterized in that: The bearing seat (3) is connected to the radiator mounting box (1) by bearing seat fixing screws (11). Two radiator mounting seats (12) are respectively provided on one side of the bearing seat (3). The radiator mounting seats (12) are connected to the hydraulic oil radiator (2) by radiator fixing screws (13).

3. A rotatably open hydraulic oil radiator according to claim 1, characterized in that: The hydraulic oil radiator (2) includes a hydraulic oil radiator body (21), a fan (22) and a fan motor (23). The fan (22) is mounted on the hydraulic oil radiator body (21). A motor connecting frame (24) is provided in the middle of the hydraulic oil radiator body (21), and the motor connecting frame (24) is located on one side of the fan (22). The fan motor (23) is mounted on the motor connecting frame (24), and the output end of the fan motor (23) is connected to the fan (22).

4. A rotatably open hydraulic oil radiator according to claim 3, characterized in that: Connecting blocks (25) are respectively provided at the upper and lower ends of one side of the main body (21) of the hydraulic oil radiator. The upper connecting block (25) is connected to the upper hydraulic connector 90-degree adapter block (6) by adapter block fixing screws (26). An O-ring seal (29) is provided between the connecting block (25) and the upper hydraulic connector 90-degree adapter block (6). The lower connecting block (25) is connected to the lower hydraulic connector 90-degree adapter block (7) by adapter block fixing screws (26). An O-ring seal (29) is provided between the connecting block (25) and the lower hydraulic connector 90-degree adapter block (7).

5. A rotatably open hydraulic oil radiator according to claim 4, characterized in that: The connecting block (25) is a hollow connecting block, and the connecting block (25) is connected to the hydraulic oil channel of the hydraulic oil radiator body (21). The upper hydraulic connector 90-degree adapter block (6) is connected to the connecting block (25) and the upper rotatable hydraulic connector (10) respectively. The return oil hydraulic pipe (5) is connected to the upper rotatable hydraulic connector (10) via a return oil steel pipe section (28). The lower hydraulic connector 90-degree adapter block (7) is connected to the connecting block (25) and the lower rotatable hydraulic connector (9) respectively. The inlet oil hydraulic pipe (4) is connected to the lower rotatable hydraulic connector (9) via an inlet oil steel pipe section (27).

6. A rotatably open hydraulic oil radiator according to claim 5, characterized in that: The bottom end of the 90-degree transition block (7) of the lower hydraulic connector is connected to a connecting shaft (30), the double-row roller bearing (8) is sleeved on the connecting shaft (30), one end of the connecting shaft (30) is provided with a snap ring groove (31), and a snap ring (32) is provided in the snap ring groove (31).

7. A rotatably open hydraulic oil radiator according to claim 1, characterized in that: The lower rotatable hydraulic connector (9) includes a connector rotating end (33), a clamping sleeve (34), a steel ball (35), and a connector fixing end (37). The clamping sleeve (34) is sleeved on the middle part of the connector rotating end (33). One end of the connector fixing end (37) is sleeved on the connector rotating end (33) and the clamping sleeve (34). A needle roller bearing (36) and a rubber sealing ring (38) are provided between the connector fixing end (37) and the connector rotating end (33). The steel ball (35) is provided between the connector rotating end (33) and the clamping sleeve (34).