Assembly device
By designing the mounting frame, gripping and locking mechanism of the assembly device, the problems of inconvenient, laborious and unsafe handling during the assembly of the split axle box are solved, and a safe and efficient assembly process is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CRRC QINGDAO SIFANG CO LTD
- Filing Date
- 2025-05-06
- Publication Date
- 2026-04-21
AI Technical Summary
The assembly and handling of split-type axle box bodies is inconvenient, laborious, unsafe, and time-consuming, and existing technologies cannot effectively solve this problem.
An assembly device was designed, including an installation frame, a gripping mechanism, a locking mechanism, and a limiting mechanism. Through precise positioning and locking connections, the lower box can be accurately positioned and safely transported.
To ensure accurate placement of the lower housing, avoid the risk of injury from impact, improve assembly efficiency, meet the assembly requirements of the axle housing, and feature a simple structure, high reliability, and safe and stable operation.
Smart Images

Figure CN224144565U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rail equipment manufacturing technology and provides an assembly device. Background Technology
[0002] After the shaft box body is overhauled, the upper and lower boxes need to be reassembled. After assembling the upper box, when assembling the lower box, due to its heavy weight, one person cannot operate the overhead crane to move or lift it. When two people lift and install it by hand, if it is not placed in the designated position during the lowering process, it is easy to injure the operator. At the same time, if it is not handled steadily and falls, it is easy to damage the components. And the overhead crane method of transportation is time-consuming.
[0003] Therefore, in order to reduce maintenance costs and improve production efficiency, there is an urgent need for an assembly device for split-type axle box bodies. Utility Model Content
[0004] This utility model provides an assembly device to solve the defects of inconvenient, laborious, unsafe, and time-consuming handling during the assembly of split axle box bodies in related technologies.
[0005] The present invention provides an assembly device comprising:
[0006] Mounting frame, suitable for fitting into split axle box body;
[0007] At least two gripping mechanisms are connected to the mounting frame, and the gripping mechanisms extend in different directions toward the outside of the mounting frame.
[0008] A locking mechanism, connected to the mounting frame, is used to lock the mounting frame to the split axle box.
[0009] According to the assembly device provided by this utility model, the mounting frame includes:
[0010] At least two first steel pipes that are parallel to each other;
[0011] At least two second steel pipes are parallel to each other, and the second steel pipes are vertically connected between two adjacent first steel pipes.
[0012] According to the assembly device provided by this utility model, the gripping mechanism includes:
[0013] A third steel pipe integrally connected to the first steel pipe, and collinear with the extension direction of the first steel pipe; or,
[0014] A fourth steel pipe integrally connected to the second steel pipe, and collinear with the extension direction of the second steel pipe.
[0015] The assembly apparatus provided by this utility model further includes:
[0016] A limiting mechanism is provided on the mounting frame, and the limiting mechanism can limit the split axle box. The limiting mechanism also has an assembly hole, and the locking mechanism can pass through the assembly hole and lock the split axle box.
[0017] According to the assembly device provided by this utility model, the limiting mechanism includes:
[0018] At least two stop blocks, each stop block having a mounting surface and a limiting surface, the mounting surface being connected to the mounting frame, and the assembly hole being located on the limiting surface.
[0019] The assembly apparatus provided by this utility model further includes:
[0020] The suspension mechanism is connected at one end to the mounting frame and at the other end to the locking mechanism.
[0021] According to the assembly device provided by this utility model, the locking mechanism includes: process bolts.
[0022] According to the assembly device provided by this utility model, the process bolts include:
[0023] The lifting ring is connected to the other end of the suspension mechanism;
[0024] The handle is connected to the lifting ring;
[0025] The plug connects to the handle and is used to insert into the split axle housing and lock into the split axle housing.
[0026] The assembly apparatus provided by this utility model further includes:
[0027] An elastic grip is fitted onto the gripping mechanism.
[0028] According to the assembly device provided by this utility model, a limiting protrusion is formed on the outer periphery of the gripping mechanism to limit the axial position of the elastic grip.
[0029] This utility model provides an assembly device comprising: a mounting frame, at least two gripping mechanisms, and a locking mechanism. The mounting frame is adapted to fit into a split axle box; the at least two gripping mechanisms are respectively connected to the mounting frame, and the gripping mechanisms extend in different directions outward from the mounting frame; the locking mechanism is connected to the mounting frame and used to lock the mounting frame and the split axle box together. This assembly device, through precise positioning of the mounting frame and the lower box, ensures accurate placement and avoids risks such as injury from impact. Utilizing the connection between the locking mechanism and the lower box, the gripping mechanisms can lift and rotate the lower box, thereby achieving pre-assembly with the upper box. This assembly device is simple in structure, highly reliable, safe and stable, and can meet the assembly process of the lower axle box, ensuring the assembly requirements of rail vehicle axle boxes. Attached Figure Description
[0030] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0031] Figure 1 This is a top view of the assembly device provided in one embodiment of the present invention.
[0032] Figure 2 This is a front view of the assembly device provided in one embodiment of the present invention.
[0033] Figure 3 This is a left view of the assembly device provided in one embodiment of the present invention.
[0034] Figure 4 This is a schematic diagram of the structure of the process bolt provided in one embodiment of the present invention.
[0035] Figure label:
[0036] 1: First steel pipe; 2: Second steel pipe; 3: Third steel pipe; 4: Stop; 41: Mounting surface; 42: Limiting surface; 43: Assembly hole; 5: Suspension mechanism; 6: Locking mechanism; 61: Lifting ring; 62: Handle; 63: Plug; 7: Elastic grip; 71: Limiting protrusion. Detailed Implementation
[0037] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0038] In the description of this embodiment, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this embodiment and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this embodiment.
[0039] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this embodiment, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0040] In this embodiment, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," "link," and "fix" 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, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this embodiment based on the specific circumstances.
[0041] In this embodiment of the utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0042] like Figures 1 to 4 As shown, this utility model provides an assembly device for assembling a split axle box. The assembly device includes: a mounting frame, at least two gripping mechanisms, and a locking mechanism 6.
[0043] The mounting frame is adapted to fit into the split axle box; at least two gripping mechanisms are connected to the mounting frame respectively, and the gripping mechanisms extend in different directions toward the outside of the mounting frame; the locking mechanism 6 is connected to the mounting frame and is used to lock the mounting frame and the split axle box together.
[0044] Specifically, the shape of the mounting frame is designed and manufactured based on the shape of the split axle box, generally rectangular or square, ensuring that the split axle box can fit into the mounting frame and guarantee its installation and positioning. The locking mechanism 6 is used to lock the mounting frame and the split axle box together. By manually gripping the holding mechanism, the split axle box can be moved to achieve its transport.
[0045] The specific usage process of the assembly device provided by this utility model is as follows, taking the assembly of the lower box as an example:
[0046] First, place the device on the ground, then slide the bottom of the lower housing (at the four bolts) into the mounting frame. Align the two holes at the bottom of the front cover with the side of the device, and then use the locking mechanism 6 to pre-tighten them. After tightening, two people can lift the lower housing using the gripping mechanism and flip it over to pre-assemble it with the upper housing. Tighten the six bolts on both the upper and lower housings. After all six bolts are tightened, remove the locking mechanism 6 and disassemble the device.
[0047] As can be seen, the assembly device provided by this utility model ensures accurate placement and avoids risks such as injury through precise positioning of the mounting frame and the lower housing. Utilizing the locking mechanism 6 connected to the lower housing, the gripping mechanism can lift and rotate the lower housing, thereby achieving pre-assembly with the upper housing. The assembly device provided by this utility model has a simple structure, high reliability, and is safe and stable, meeting the assembly process requirements of the axle box lower housing and ensuring the assembly requirements of rail vehicle axle boxes.
[0048] This utility model provides an assembly device comprising: a mounting frame, at least two gripping mechanisms, and a locking mechanism 6. The mounting frame is adapted to fit into a split axle box; the at least two gripping mechanisms are respectively connected to the mounting frame, and the gripping mechanisms extend in different directions outward from the mounting frame; the locking mechanism 6 is connected to the mounting frame and used to lock the mounting frame and the split axle box together. This assembly device, through precise positioning of the mounting frame and the lower box, ensures accurate placement and avoids risks such as injury from impact. Utilizing the connection between the locking mechanism 6 and the lower box, the gripping mechanisms can lift and rotate the lower box, thereby achieving pre-assembly with the upper box. This assembly device is simple in structure, highly reliable, safe and stable, and can meet the assembly process requirements of the lower axle box, ensuring the assembly requirements of rail vehicle axle boxes.
[0049] In one embodiment of this utility model, the mounting frame includes at least two first steel pipes 1 parallel to each other and at least two second steel pipes 2 parallel to each other. The second steel pipes 2 are vertically connected between adjacent first steel pipes 1. Preferably, as shown... Figure 1 In the structure shown, the mounting frame consists of two parallel first steel pipes 1 and two parallel second steel pipes 2, with the second steel pipes 2 vertically connected between the first steel pipes 1, forming a rectangular or square mounting frame, into which the lower box can be fitted.
[0050] In one embodiment of this utility model, the gripping mechanism includes a third steel pipe 3 integrally connected to the first steel pipe 1 and collinear with the extending direction of the first steel pipe 1. Alternatively, the gripping mechanism includes a fourth steel pipe integrally connected to the second steel pipe 2 and collinear with the extending direction of the second steel pipe 2. In this embodiment, the gripping mechanism and the mounting frame are integrally structured steel pipes, that is, the first steel pipe 1 and the third steel pipe 3 are integral steel pipes, or the second steel pipe 2 and the fourth steel pipe are integral steel pipes. Depending on actual needs, it can be a steel pipe extending along the direction of the first steel pipe 1 or along the direction of the second steel pipe 2. Figure 1 In the structure shown, the gripping mechanism adopts a third steel pipe 3 structure extending along both ends of the first steel pipe 1. Two people can lift and flip the device and the lower box by gripping the third steel pipe 3 respectively.
[0051] In one embodiment of this utility model, the assembly device further includes a limiting mechanism disposed on the mounting frame. The limiting mechanism can limit the split axle housing, and the limiting mechanism also has an assembly hole 43. The locking mechanism 6 can pass through the assembly hole 43 and lock with the split axle housing. Specifically, after the lower housing is fitted into the mounting frame, the two holes at the lower end of the mounting front cover are aligned with the limiting mechanism on the side of the device. This provides positioning and limiting of the lower housing, and the limiting mechanism has an assembly hole 43 through which the locking mechanism 6 locks with the hole in the lower housing.
[0052] In one embodiment of this utility model, the limiting mechanism includes at least two stop blocks 4, each stop block 4 having a mounting surface 41 and a limiting surface 42. The mounting surface 41 is connected to the mounting frame, and an assembly hole 43 is provided on the limiting surface 42. Specifically, there are multiple stop blocks 4, matching the number of holes on the lower housing. The stop blocks 4 are welded to the mounting frame via the mounting surface 41. The mounting surface 41 and the limiting surface 42 are perpendicular to each other. The limiting surface 42 positions and limits the lower housing on one hand, and allows the locking mechanism 6 to pass through for connection with the lower housing on the other hand.
[0053] In one embodiment of this utility model, the assembly device further includes a suspension mechanism 5, one end of which is connected to the mounting frame, and the other end of which is connected to the locking mechanism 6. Specifically, when the device is not in use, the locking mechanism 6 is suspended from the mounting frame by the suspension mechanism 5 to prevent the locking mechanism 6 from being lost. Preferably, the suspension mechanism 5 can use a chain or wire rope to connect the locking mechanism 6 to the mounting frame.
[0054] In one embodiment of this utility model, the locking mechanism 6 includes a process bolt. Preferably, the process bolt includes a lifting ring 61, a handle 62, and a plug 63. The lifting ring 61 is connected to the other end of the suspension mechanism 5; the handle 62 is connected to the lifting ring 61; the plug 63 is connected to the handle 62 and is used to insert into the split axle housing for locking connection. Specifically, during assembly, the operator holds the handle 62 and inserts the plug 63 sequentially into the assembly hole 43 and the threaded hole of the lower housing to achieve fixation; the lifting ring 61 then connects to the suspension mechanism.
[0055] In one embodiment of this utility model, the assembly device further includes an elastic handle 7, which is sleeved on the gripping mechanism. Specifically, in order to improve the grip feel and avoid slipping during the flipping of the box or discomfort when gripping, an elastic handle 7 is sleeved on the gripping mechanism. Preferably, the elastic handle 7 is made of rubber.
[0056] In one embodiment of this utility model, a limiting protrusion 71 is formed on the outer periphery of the gripping mechanism to limit the axial position of the elastic handle 7. To prevent the elastic handle 7 from detaching from the gripping mechanism, a limiting protrusion 71 is formed on the outer periphery of the gripping mechanism to limit the axial movement of the elastic handle 7. It is understood that the limiting protrusion 71 is an annular protrusion with an outer diameter larger than that at other locations on the gripping mechanism.
[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. An assembly device, characterized by include: Mounting frame, suitable for fitting into split axle box body; At least two gripping mechanisms are connected to the mounting frame, and the gripping mechanisms extend in different directions toward the outside of the mounting frame. The locking mechanism (6) is connected to the mounting frame and is used to lock the mounting frame to the split axle box.
2. The assembly apparatus of claim 1, wherein, The installation framework includes: At least two first steel pipes that are parallel to each other (1); At least two second steel pipes (2) are parallel to each other, and the second steel pipes (2) are vertically connected between two adjacent first steel pipes (1).
3. The assembly apparatus of claim 2, wherein, The gripping mechanism includes: A third steel pipe (3) integrally connected to the first steel pipe (1) and collinear with the extension direction of the first steel pipe (1); or, A fourth steel pipe integrally connected to the second steel pipe (2) and collinear with the extension direction of the second steel pipe (2).
4. The assembly apparatus of claim 1, wherein Also includes: A limiting mechanism is provided on the mounting frame, and the limiting mechanism can limit the split axle box body. The limiting mechanism also has an assembly hole (43), and the locking mechanism (6) can pass through the assembly hole (43) and lock the split axle box body.
5. The assembly apparatus of claim 4, wherein, The limiting mechanism includes: At least two stop blocks (4), each stop block (4) having a mounting surface (41) and a limiting surface (42), the mounting surface (41) being connected to the mounting frame, and the assembly hole (43) being provided on the limiting surface (42).
6. The assembly apparatus of claim 1, wherein, Also includes: The suspension mechanism (5) is connected at one end to the mounting frame and at the other end to the locking mechanism (6).
7. The assembly apparatus of claim 6, wherein, The locking mechanism (6) includes: process bolts.
8. The assembly apparatus of claim 7, wherein, The process bolts include: The lifting ring (61) is connected to the other end of the suspension mechanism (5); The handle (62) is connected to the lifting ring (61); The plug (63) is connected to the handle (62) and is used to insert into the split axle housing and lock into the split axle housing.
9. The assembly apparatus of any one of claims 1 to 8, wherein, Also includes: An elastic grip (7) is fitted onto the gripping mechanism.
10. The assembly apparatus of claim 9, wherein, A limiting protrusion (71) is formed on the outer periphery of the gripping mechanism to limit the axial position of the elastic grip (7).