Horizontal assembling rack for constant-speed driving shaft
By adopting a horizontal assembly stand, the complexity and high cost of traditional constant velocity drive shaft assembly stands are solved, and a simplified assembly process and precise force control are achieved.
Patent Information
- Application Number
- CN202520182968.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-06
AI Technical Summary
Traditional constant velocity drive shaft sample assembly benches have complex structures, inconsistent clamping, easy component drop, significant gravity interference, large footprint, and high cost, making them unsuitable for non-assembly line operations.
Design a horizontal assembly stand, which adopts an equipment frame and a transfer table, and is equipped with a servo electric cylinder and an elbow clamp. The tooling block is driven by the servo electric cylinder to assemble the constant velocity drive shaft, and the assembly force is displayed by a force value display to achieve precise control.
It simplifies the assembly process, reduces gravity interference, lowers costs, achieves high-performance assembly at a cost-effective price, is easy to operate, and can be used to adjust non-standard parameters.
Smart Images

Figure CN223734308U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to equal -speed drive shaft assembly technical field especially relates to a kind of equal -speed drive shaft horizontal assembly rack. BACKGROUND
[0002] Equal -speed drive shaft is the main component of automobile power transmission system, usually widely used on passenger car.Equal -speed drive shaft is in the power transmission system of vehicle and is the power transmission from transmission to front wheel, or the power transmission from rear axle differential to rear wheel.
[0003] Equal -speed drive shaft batch production is usually assembled on the assembly line of manufacturer.But in sample development stage or small quantity production, flow work is not needed.Manufacturer is completed by sample assembly rack.Traditional equal -speed drive shaft sample assembly rack is usually vertical structure, i.e.in the form of equal -speed drive shaft's axis perpendicular to ground assembly, and this form structure is complex, and the clamping of each component cannot be unified, cannot be one-stop to realize all assembly procedures, tooling fixture is complex, element is prone to fall, gravity interference is needed Additional motor rotation constant-velocity joint is carried out spline guide, equal -speed drive shaft overturn is inconvenient, and land occupation cannot be too large, and the shortcomings, such as expensive, can only be used for automated production line flow work, therefore, equal -speed drive shaft horizontal assembly rack is needed to solve the above problems. SUMMARY
[0004] The embodiment of the utility model aims at providing a kind of equal -speed drive shaft horizontal assembly rack, to solve the problems mentioned in the background art.
[0005] The embodiment of the utility model is realized as follows, a kind of equal -speed drive shaft horizontal assembly rack, comprising: equipment frame and transfer table, the transfer table is arranged in equipment frame one side;Assembly mechanism, it is installed on equipment frame, equal -speed drive shaft is arranged on the assembly mechanism, and assembly mechanism is used to assemble equal -speed drive shaft;Force display, it is installed on equipment frame, and the force of equal -speed drive shaft assembled by assembly mechanism is shown.
[0006] Preferably, the assembly mechanism includes: servo cylinder, it is fixedly installed on equipment frame, the tooling block of servo cylinder power output end connection is slidably arranged on equipment frame, and servo cylinder is used to push tooling block to move;Mobile stopper, it is slidably arranged on equipment frame and can be fixed with equipment frame, elbow clamp is arranged between the mobile stopper and tooling block and installed on equipment frame, and elbow clamp is provided with two.
[0007] Preferably, the constant velocity drive shaft comprises: a constant velocity universal joint assembly arranged on a tool block for clamping and fixing the constant velocity universal joint assembly; an intermediate connecting shaft arranged on an elbow clamp, the elbow clamp can clamp the intermediate connecting shaft, a intermediate connecting shaft clamp, a sheath and an outer core wheel clamp are sleeved on the intermediate connecting shaft, and the inner spline of the constant velocity universal joint assembly is engaged with the outer spline of the intermediate connecting shaft.
[0008] Preferably, the constant velocity universal joint assembly comprises: a transmission end outer core wheel, a ball cage is assembled on the transmission end outer core wheel; a steel ball is assembled on the ball cage, an inner core wheel is assembled on the steel ball, and the inner spline of the inner core wheel is engaged with the outer spline of the intermediate connecting shaft.
[0009] The constant velocity drive shaft horizontal assembly rack provided by the utility model not only can assemble the constant velocity drive shaft, but also has simple mechanism, accurate press fitting force display, no gravity interference, high cost performance, the force value display can be digitally adjusted and set, ideal parameters are ensured during assembly, the operation is simple, and the utility model has high practicability. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is a constant velocity drive shaft horizontal assembly rack schematic diagram.
[0011] Figure 2 It is a constant velocity drive shaft appearance three-dimensional schematic diagram.
[0012] Figure 3 It is a constant velocity drive shaft internal three-dimensional schematic diagram.
[0013] In the drawings: 1-equipment frame table, 2-transfer table, 3-assembly mechanism, 4-constant velocity drive shaft, 5-force value display, 31-servo cylinder, 32-tool block, 33-moving stop block, 34-elbow clamp, 41-constant velocity universal joint assembly, 42-intermediate connecting shaft, 43-intermediate connecting shaft clamp, 44-sheath, 45-outer core wheel clamp, 411-transmission end outer core wheel, 412-ball cage, 413-steel ball, 414-inner core wheel. DETAILED DESCRIPTION
[0014] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples.It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.
[0015] The specific implementation of the utility model will be described in detail in combination with specific examples.
[0016] Please refer to Figure 1 The utility model embodiment provides a constant velocity drive shaft horizontal assembly rack, the constant velocity drive shaft horizontal assembly rack comprises:
[0017] The equipment includes a frame 1 and a transfer station 2, with the transfer station 2 located on one side of the equipment frame 1; an assembly mechanism 3 mounted on the equipment frame 1, on which a constant velocity drive shaft 4 is mounted, and the assembly mechanism 3 is used to assemble the constant velocity drive shaft 4; and a force value display 5 mounted on the equipment frame 1, used to display the force exerted by the assembly mechanism 3 during the assembly of the constant velocity drive shaft 4.
[0018] like Figure 1 As shown, in a preferred embodiment of the present invention, the assembly mechanism 3 includes: a servo electric cylinder 31, which is fixedly installed on the equipment frame 1, and the power output end of the servo electric cylinder 31 is connected to a tooling block 32 that is slidably disposed on the equipment frame 1. The servo electric cylinder 31 is used to push the tooling block 32 to move; a moving stop block 33, which is slidably disposed on the equipment frame 1 and can be fixed to the equipment frame 1. An elbow clamp 34 installed on the equipment frame 1 is provided between the moving stop block 33 and the tooling block 32. Two elbow clamps 34 are provided.
[0019] After the transmission end outer core wheel 411, the ball cage 412, the steel ball 413 and the inner core wheel 414 are assembled into the constant velocity universal joint assembly 41 by hand and simple tooling, the constant velocity universal joint assembly 41 is placed on the transfer table 2, the tooling block 32 can move left and right on the equipment frame table 1, it clamps the constant velocity universal joint assembly 41, after the intermediate connecting shaft 42 is sleeved with the intermediate connecting shaft clamp 43, the sheath 44 and the outer core wheel clamp 45, it is placed on the bracket of the elbow clamp 34, at this time, the elbow clamp 34 does not need to clamp, the outer spline of the intermediate connecting shaft 42 and the inner spline of the inner core wheel 414 of the constant velocity universal joint assembly 41 are preliminarily guided by manual feeling, in addition, the movable stop block 33 is pulled to the right until the left end surface of the intermediate connecting shaft 42 is in contact with the movable stop block 33, end face limiting is realized, the movable stop block 33 is fixed, at this time, one or more elbow clamps 34 clamp the intermediate connecting shaft 42, the stability of the intermediate connecting shaft 42 is realized, the servo cylinder 31 is started, it provides a linear power source, pushes the tooling block 32 to move left, at this time, the constant velocity universal joint assembly 41 moves left with the tooling block 32, and the inner spline of the inner core wheel 414 of the constant velocity universal joint assembly 41 gradually meshes with the outer spline of the intermediate connecting shaft 42, the force value display 5 displays the axial press-fit force value in real time in digital or curve form when the spline meshes, with the increase of the meshing length of the inner and outer splines, the axial press-fit force gradually increases until a certain force value is reached or a certain axial meshing distance (stroke) is reached or a certain force value gradually reaches the maximum and suddenly decreases (the spline has a spring slot structure), the servo cylinder 31 stops providing a linear power source, and the press fitting is completed, at this time, the inner cavity of the constant velocity universal joint assembly 41 is filled with a certain amount of lubricating grease, and the sheath 44, the intermediate connecting shaft clamp 43 and the outer core wheel clamp 45 are tightly fixed, the press-fitted semi-finished product is removed, and it is rotated by 180 degrees along the radial direction, that is, the two ends are adjusted, so that the other end constant velocity universal joint assembly 41 is press fitted in the same way as described above, and the sheath 44 is clamped. Thus, one constant velocity drive shaft 4 is assembled, and the force value display 5 can set and record the press fitting parameters, such as the stroke, force value or force change value for triggering the stop.
[0020] As shown in Figure 1 , Figure 2 and Figure 3 , as a preferred embodiment of the utility model, the constant velocity drive shaft 4 comprises: a constant velocity universal joint assembly 41 arranged on a tooling block 32, the tooling block 32 is used for clamping and fixing the constant velocity universal joint assembly 41; an intermediate connecting shaft 42 arranged on an elbow clamp 34, the elbow clamp 34 can clamp the intermediate connecting shaft 42, the intermediate connecting shaft 42 is sleeved with an intermediate connecting shaft clamp 43, a sheath 44 and an outer core wheel clamp 45, and the inner spline of the constant velocity universal joint assembly 41 is engaged with the outer spline of the intermediate connecting shaft 42.
[0021] As shown in Figure 1 , Figure 2 and Figure 3As shown, as a preferred embodiment of the utility model, the constant velocity joint assembly 41 comprises: a transmission end outer core wheel 411, the transmission end outer core wheel 411 is equipped with ball cage 412; steel ball 413, which is assembled on the ball cage 412, the steel ball 413 is equipped with inner core wheel 414, and the inner spline of the inner core wheel 414 is engaged with the outer spline of the intermediate connecting shaft 42.
[0022] The power transmission of the vehicle engine or motor is transmitted to the transmission end outer core wheel 411, which is transmitted to the inner core wheel 414 through the steel ball 413 in the ball cage 412, and the power is transmitted to the intermediate connecting shaft 42 through the inner spline of the inner core wheel 414 and the outer spline of the intermediate connecting shaft 42, and the power is transmitted to the wheel end outer core wheel in a symmetrical path at the other end of the intermediate connecting shaft 42, and then the power is transmitted to the wheel, realizing the driving of the vehicle, and the elements at both ends of the intermediate connecting shaft 42 constitute a constant velocity joint. The constant velocity drive shaft 4 keeps high-speed rotation during power transmission and the constant velocity joint assembly 41 swings radially to different degrees, the transmission end outer core wheel 411 is injected with lubricating grease, and the outer core wheel clamp 45, the sheath 44 and the intermediate connecting shaft clamp 43 play the role of saving lubricating grease, avoiding its outflow.
[0023] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A horizontal assembly rig for constant velocity drive shafts comprising an equipment frame and a transfer table, characterised in that, The transfer station is arranged on one side of the equipment frame; The assembly mechanism is installed on the equipment frame, and the constant velocity drive shaft is arranged on the assembly mechanism, and the assembly mechanism is used for assembling the constant velocity drive shaft; The force value display is installed on the equipment frame, and is used for displaying the force of the assembly mechanism assembling the constant velocity drive shaft.
2. The constant velocity axle lay down assembly station of claim 1, wherein, The assembly mechanism comprises: The servo cylinder is fixedly installed on the equipment frame, and the tool block is slidably arranged on the equipment frame and connected with the power output end of the servo cylinder, and the servo cylinder is used for pushing the tool block to move; The moving block is slidably arranged on the equipment frame and can be fixed with the equipment frame, and the elbow clamp is arranged between the moving block and the tool block.
3. The constant velocity axle lay down assembly station of claim 2, wherein, The constant velocity drive shaft comprises: The constant velocity universal joint assembly is arranged on the tool block, and the tool block is used for clamping and fixing the constant velocity universal joint assembly; The intermediate connecting shaft is arranged on the elbow clamp, and the elbow clamp can clamp the intermediate connecting shaft, and the intermediate connecting shaft clamp, the sheath and the outer core wheel clamp are sleeved on the intermediate connecting shaft, and the inner spline of the constant velocity universal joint assembly is engaged with the outer spline of the intermediate connecting shaft.
4. The constant velocity axle lay down assembly station of claim 3, wherein, The constant velocity universal joint assembly comprises: The outer core wheel of the transmission end is assembled with the ball cage; The steel ball is assembled on the ball cage, and the inner core wheel is assembled on the steel ball, and the inner spline of the inner core wheel is engaged with the outer spline of the intermediate connecting shaft.