Detachable trunnion device
The modular ear shaft design with detachable components simplifies maintenance and reduces costs by enabling easy assembly and disassembly, enhancing usability and logistics efficiency.
Patent Information
- Application Number
- CN202422247510.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-13
AI Technical Summary
The existing trunnions are not designed to be disassembled, resulting in high maintenance and replacement costs and inconvenient transportation and storage.
A removable trunnion device is designed to combine and separate through the connecting parts of the main trunnion and the secondary trunnion. The connecting parts include components such as threaded rods, damping bearings, knobs, threaded blocks, shaft pins and guide rods to ensure stable connection and convenient disassembly of the trunnion.
It realizes convenient disassembly and assembly of trunnions, reduces repair and replacement time, reduces transportation and storage costs, and improves user experience and space utilization efficiency.
Smart Images

Figure CN223105038U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of trunnions, in particular to a detachable trunnion device. Background Art
[0002] A trunnion is a rotating part used to connect mechanical equipment, usually for transmitting power or motion. Its main functions include supporting and transmitting loads, withstanding rotational motion, and reducing friction. Mechanical trunnions are commonly found in various mechanical equipment, such as engines, reducers, transmission devices, etc. As one of the supporting components of mechanical equipment, the trunnion bears a large load, including the weight of the mechanical equipment itself and the stress and load generated externally. It can maintain the stability and structural strength of the mechanical equipment. The trunnion can transmit the torque and torsion generated by a power source such as a motor to other components to achieve the operation of the mechanical equipment. Through reasonable design and optimization, the mechanical trunnion can withstand and transmit a large torque and smoothly transmit the power to the required position. Most of the existing trunnions are integrally designed and are not easy to disassemble, making maintenance and replacement inconvenient, greatly increasing the time and cost of repair and replacement.
[0003] Therefore, it is necessary to provide a new detachable trunnion device to solve the above technical problems. Summary of the Utility Model
[0004] To overcome the defects of the prior art, a detachable trunnion device is provided to solve the above problems.
[0005] The detachable trunnion device provided by the utility model includes: a main trunnion and a secondary trunnion. The main trunnion and the secondary trunnion are butted to form a trunnion. Connecting pieces are arranged at both ends of the relatively close sides of the main trunnion and the secondary trunnion, and through the connecting pieces, the main trunnion and the secondary trunnion can be disassembled and combined. Shaft rods are fixedly connected to the relatively far sides of the main trunnion and the secondary trunnion. Connecting seats are rotatably connected to the outer sides of the two shaft rods. Placing grooves are opened at one ends of the relatively close sides of the main trunnion and the secondary trunnion.
[0006] Preferably, the connecting piece includes a threaded rod rotatably connected in the placing groove. The top of the threaded rod penetrates through the top of the main trunnion and is connected with a damping bearing. The top of the damping bearing is connected with a knob. A threaded block is threadedly connected to the outer side of the threaded rod.
[0007] Preferably, the connecting piece further includes two shaft pins fixedly connected to the secondary trunnion, and the two shaft pins are located on the side close to the placing groove on the main trunnion. A gap is reserved between the two shaft pins. Card slots are opened at the relatively close ends of the two shaft pins. A sliding groove for the shaft pins to slide is opened on one side of the main trunnion where the placing groove is located.
[0008] Preferably, both sides of the threaded block are arc-shaped structures, and both sides of the threaded block fit with the two card slots.
[0009] Preferably, a guide rod is fixedly connected in the placement groove, and the guide rod is located on one side of the threaded rod. A guide block is slidably connected to the outer side of the guide rod, and a connecting plate is connected to the relatively close side of the guide block and the threaded block.
[0010] Preferably, the structures of the main trunnion and the secondary trunnion are mirror-symmetrical.
[0011] Compared with the related art, the detachable trunnion device provided by the present utility model has the following beneficial effects:
[0012] By providing a connecting member, and through the connecting member, the main trunnion and the secondary trunnion can be combined or separated, so that the trunnion has the characteristic of being convenient to disassemble, facilitating maintenance and replacement, greatly reducing the time and cost of maintenance and replacement, and the detachable trunnion can be disassembled during transportation and storage, reducing the volume and weight, facilitating handling and storage, and helping to save space and reduce transportation costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 is a schematic structural diagram of a preferred embodiment of the detachable trunnion device provided by the present utility model;
[0014] Figure 2 is Figure 1 a schematic structural diagram of the placement groove shown;
[0015] Figure 3 is Figure 1 a schematic structural diagram of the connecting member shown.
[0016] Reference numerals in the figures: 1, main trunnion; 11, threaded rod; 12, damping bearing; 13, knob; 14, threaded block; 2, secondary trunnion; 21, pin; 22, card slot; 23, chute; 3, shaft rod; 4, connecting seat; 5, placement groove; 6, guide rod; 61, guide block; 62, connecting plate. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0018] The following describes the specific implementation of the present utility model in detail with reference to specific embodiments.
[0019] Please refer to Figures 1 to 3, a detachable trunnion device provided by an embodiment of the present utility model. The detachable trunnion device includes: a main trunnion 1 and a sub-trunnion 2. The main trunnion 1 and the sub-trunnion 2 are butted to form a trunnion. Connectors are provided at both ends of the relatively close sides of the main trunnion 1 and the sub-trunnion 2, and through the connectors, the main trunnion 1 and the sub-trunnion 2 can be disassembled and combined. Shaft rods 3 are fixedly connected to the relatively far sides of the main trunnion 1 and the sub-trunnion 2. Connecting seats 4 are rotatably connected to the outer sides of the two shaft rods 3. Placing grooves 5 are opened at one ends of the relatively close sides of the main trunnion 1 and the sub-trunnion 2.
[0020] It should be noted that: The trunnion is composed of the main trunnion 1 and the sub-trunnion 2, and they can be disassembled and combined through connectors. The connectors are located on the relatively close sides of the main trunnion 1 and the sub-trunnion 2. Through their connection, the main trunnion 1 and the sub-trunnion 2 can be firmly connected together. Shaft rods 3 are fixedly connected to the relatively far sides of the main trunnion 1 and the sub-trunnion 2. Connecting seats 4 are connected to the outer sides of the two shaft rods 3, enabling the entire trunnion device to rotate. In addition, placing grooves 5 are provided at one ends of the relatively close sides of the main trunnion 1 and the sub-trunnion 2 for placing the connectors. Such a design makes the trunnion have the characteristic of convenient disassembly, enabling users to combine and adjust according to needs, providing a better user experience.
[0021] In an embodiment of the present utility model, please refer to Figure 1 and Figure 2 , the connector includes a threaded rod 11 rotatably connected in the placing groove 5. The top of the threaded rod 11 penetrates through the top of the main trunnion 1 and is connected with a damping bearing 12. The top of the damping bearing 12 is connected with a knob 13. A threaded block 14 is threadedly connected to the outer side of the threaded rod 11. The connector further includes two shaft pins 21 fixedly connected to the sub-trunnion 2, and the two shaft pins 21 are displaced to the side close to the placing groove 5 on the main trunnion 1. A gap is reserved between the two shaft pins 21. Grooves 22 are opened at the relatively close ends of the two shaft pins 21. A sliding groove 23 for the shaft pins 21 to slide is opened on one side of the main trunnion 1 where the placing groove 5 is located. Both sides of the threaded block 14 are arc-shaped structures, and both sides of the threaded block 14 are fitted with the two grooves 22. The structures of the main trunnion 1 and the sub-trunnion 2 are mirror-symmetrical.
[0022] It should be noted that: The connecting piece includes a threaded rod 11, which is connected to the placement groove 5 of the main trunnion 1 by rotation. The top of the threaded rod 11 penetrates through the top of the main trunnion 1 and is connected to the damping bearing 12. A knob 13 is connected to the top of the damping bearing 12, which may be used to provide rotational power. The outer side of the threaded rod 11 has a threaded block 14, and the threaded block 14 is threadedly connected to the outer side of the threaded rod 11. The connecting piece also includes two pins 21, which are fixedly connected to the secondary trunnion 2. The two pins 21 are located on one side of the placement groove 5 of the main trunnion 1 close to it, and a gap is reserved between them. Grooves 22 are provided at the relatively close ends of the two pins 21. The threaded block 14 has an arc-shaped structure, and its two sides fit with the two grooves 22, which helps to ensure the stability and safety of the connecting piece. A sliding groove 23 for the pins 21 to slide is provided on one side of the placement groove 5 of the main trunnion 1, which helps the disassembly and assembly process of the connecting piece. The main purpose of the mirror-symmetrical structural design is to ensure the balance and stability between the two trunnions and provide a convenient connection and disassembly process. Through the mirror-symmetrical design, the trunnion device can be more balanced, with better reliability and adjustability.
[0023] In an embodiment of the present invention, please refer to Figure 1 and Figure 3 , a guide rod 6 is fixedly connected in the placement groove 5, and the guide rod 6 is located on one side of the threaded rod 11. A guide block 61 is slidably connected to the outer side of the guide rod 6. A connecting plate 62 is connected between the relatively close sides of the guide block 61 and the threaded block 14.
[0024] It should be noted that: A guide rod 6 is fixedly connected in the placement groove 5. The guide rod 6 is located on one side of the threaded rod 11, and its function is to ensure that the movement direction of the threaded rod 11 is aligned with the axial direction to achieve a smooth sliding operation. A guide block 61 is slidably connected to the outer side of the guide rod 6. The guide block 61 is a part fixed to the guide rod 6 and can slide axially under the guidance of the guide rod 6. Its main function is to provide additional support and stability to ensure the accuracy and reliability during the connection process. The relatively close side of the threaded rod 11 is connected to the guide block 61 through the connecting plate 62. The connecting plate 62 plays a role of connection and fixation in the whole device. Through the connection of the connecting plate 62, the threaded block 14 can achieve coordinated movement with the guide block 61 and provide the required mechanical support and stability.
[0025] The above are only embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural or equivalent process transformation made by using the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present invention.
Claims
1. A detachable trunnion device, characterized in that, Including: A main trunnion (1) and a secondary trunnion (2), the main trunnion (1) and the secondary trunnion (2) are butted to form a trunnion. Connecting members are provided at both ends of the relatively close sides of the main trunnion (1) and the secondary trunnion (2), and the main trunnion (1) and the secondary trunnion (2) can be disassembled and combined through the connecting members. Shaft rods (3) are fixedly connected to the relatively far sides of the main trunnion (1) and the secondary trunnion (2). Connecting seats (4) are rotatably connected to the outer sides of the two shaft rods (3). Placing grooves (5) are formed at one ends of the relatively close sides of the main trunnion (1) and the secondary trunnion (2).
2. The detachable trunnion device according to claim 1, characterized in that, The connecting member includes a threaded rod (11) rotatably connected in the placing groove (5). The top of the threaded rod (11) penetrates through the top of the main trunnion (1) and is connected with a damping bearing (12). A knob (13) is connected to the top of the damping bearing (12). A threaded block (14) is threadedly connected to the outer side of the threaded rod (11).
3. The detachable trunnion device according to claim 2, characterized in that, The connecting member further includes two shaft pins (21) fixedly connected to the secondary trunnion (2), and the two shaft pins (21) are located on the side close to the placing groove (5) on the main trunnion (1). A gap is reserved between the two shaft pins (21). Card slots (22) are formed at the relatively close ends of the two shaft pins (21). A sliding groove (23) for the shaft pins (21) to slide is formed on one side of the main trunnion (1) where the placing groove (5) is located.
4. The detachable trunnion device according to claim 3, characterized in that, Both sides of the threaded block (14) are arc-shaped structures, and both sides of the threaded block (14) are fitted with the two card slots (22).
5. The detachable trunnion device according to claim 4, characterized in that, A guide rod (6) is fixedly connected in the placing groove (5), and the guide rod (6) is located on one side of the threaded rod (11). A guide block (61) is slidably connected to the outer side of the guide rod (6). A connecting plate (62) is connected to the relatively close sides of the guide block (61) and the threaded block (14).
6. The detachable trunnion device according to claim 5, characterized in that, The structures of the main trunnion (1) and the secondary trunnion (2) are mirror-symmetrical.