Speed reducer endurance load test system

Abstract

The utility model relates to the technical field of synchronous speed reducer testing tools, in particular to a speed reducer endurance load testing system, which comprises a mounting rack, a base part arranged on the mounting rack and used for mounting a driving assembly, and a mounting part connected with a speed reducer to be tested, a load shaft which is used for being connected and matched with the speed reducer to be tested and coaxially rotates is formed on the outer side of the mounting part, an inertia disc is arranged on the load shaft, and a plurality of detachable inertia blocks are connected to the inertia disc. According to the utility model, the inertia disc is used as a load assembly, and the load synchronously rotates along with the speed reducer to be tested, so that a simpler load test system is formed, the operation complexity of load monitoring is simplified, the operation efficiency is improved, the size of the system is integrally reduced, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of synchronous reducer testing tooling, in particular to a reducer endurance load testing system for testing the stability and reliability of the reducer. Background Art

[0002] Precision reducers play a core role in robots and are key components of robots. They have the advantages of strong load-bearing capacity, large transmission ratio, high motion accuracy, and smooth transmission. Although much progress has been made in the research of reducers, domestic robot reducers are still limited by transmission accuracy and life issues. Therefore, fatigue life testing systems are particularly important for testing product life during the product development stage.

[0003] Generally, when conducting endurance load tests, the test driving force needs to be provided by the front-end drive component, and the reducer can be driven for testing after being connected; at the same time, a load component is set at the rear of the reducer. Currently, the market uses a robotic arm with loading weights to perform life tests. This structure is relatively complex as a whole and occupies a large space, causing many inconveniences in actual use.

[0004] It can be seen that the current structure of the reducer endurance load test still has room for improvement. It should be optimized to improve the ease of use of the load component, reduce its overall size and space occupation, and thus streamline the overall testing system. This can also improve operational convenience and efficiency while reducing costs. Therefore, it is necessary to propose a more reasonable technical solution to solve the technical problems existing in the existing technology. Utility Model Content

[0005] In order to overcome at least one of the defects mentioned above, the present invention proposes a reducer durability load testing system. By optimizing the structure of the load component, the load is provided in the form of rotation, avoiding the problem of large overall size and lack of flexibility and convenience caused by the structure of the robotic arm connecting the weights, thereby improving the convenience and efficiency of the test operation.

[0006] In order to achieve the above objectives, the test system disclosed in the present utility model can adopt the following technical solutions:

[0007] A reducer endurance load test system includes a mounting frame, the mounting frame is provided with a base portion for mounting a drive assembly, and is also provided with a mounting portion for connecting to the reducer to be tested. The outer side of the mounting portion is formed with a load shaft for connecting to and coaxially rotating with the reducer to be tested. The load shaft is provided with an inertia disk, and the inertia disk is connected to a plurality of detachable inertia blocks.

[0008] The test system disclosed above uses an inertia disk as a load component in conjunction with the reducer under test, which can ensure stable load addition and ensure the stability and reliability of the load on the reducer under test during the test process. At the same time, the structure of the entire test system is more streamlined, smaller in size, more flexible in operation, and more efficient in testing.

[0009] Furthermore, the inertia disc, used to mount the inertia block and thus provide the load, can be constructed in a variety of ways and is not limited to a single configuration. Here, we propose an optimized and feasible option: the inertia disc includes a sleeve portion that mates with the load shaft and a collar portion for attaching and mounting the inertia block. The sleeve and collar portions are connected and fixed by a plurality of spokes. When adopting this solution, the sleeve, collar, and spokes can be integrally formed.

[0010] Furthermore, the collar portion connects to the inertia blocks, and its connection structure can adopt various schemes. Here, we propose one feasible option: the collar portion is provided with a plurality of mounting holes, and the inertia blocks are fixed to the mounting holes using mounting fasteners. The inertia blocks are arranged continuously or evenly spaced along the collar portion. In this scheme, the inertia blocks are located on the same circumference, and each inertia block has the same size, shape, and weight, which ensures that each inertia block generates the same load during rotation.

[0011] The inertia blocks can also be optimized. Here, one feasible option is to symmetrically position the inertia blocks on either side of the collar. With this solution, the inertia blocks ensure equal load on both sides of the inertia disc, ensuring stable and reliable operation.

[0012] Furthermore, the installation scheme of the reducer to be tested can adopt various forms, which are not limited to a single one. Here, optimization is performed and one feasible option is proposed: a test hole is provided on the installation portion, and the reducer to be tested is connected and fixed through the test hole.

[0013] Furthermore, the load shaft, used to mount the load, can be loaded not only radially via the inertia disc but also axially. Here, we propose a feasible optimization option: the load shaft is further provided with a plurality of detachable load plates, which fit tightly along the axial direction of the load shaft and rotate synchronously with the load shaft. In this solution, the diameter of the axially mounted load plates is generally smaller than that of the inertia disc.

[0014] Furthermore, the drive assembly provides driving force for the reducer under test. This can be implemented in a variety of ways, not necessarily in a single solution. Here, we present an optimized and feasible option: the drive assembly includes a drive motor and a control box, which controls the start and stop of the drive motor. With this solution, the motor, under the control of the control box, can provide a variety of speed conditions to meet various testing requirements.

[0015] Furthermore, when the drive motor is mounted to the base, various structures can be used to achieve connection and fixation, which is not limited to a single structure. Here, we optimize and propose one feasible option: the base is formed with an adjustment seat, and the drive motor is mounted to the adjustment seat. The adjustment seat drives the drive motor to translate and align with the reducer under test. When adopting this solution, the adjustment seat can be adjusted in the horizontal X-axis and Y-axis directions, driving the drive motor to translate synchronously, thereby achieving alignment with the reducer under test.

[0016] Furthermore, the adjustment base can be constructed in a variety of structures, which are not limited to a single one. Here, we optimize and propose one feasible option: the adjustment base includes an adjustment rail, on which is disposed an adjustment plate. The adjustment plate slides back and forth along the adjustment rail, and the drive motor is mounted and engaged with the adjustment plate. In this solution, the adjustment rail includes a combined adjustment structure formed by an X-axis track and a Y-axis track, capable of achieving adjustment in both the X and Y directions. The combined adjustment structure allows the adjustment plate to achieve movement and adjustment in both directions, thereby driving the synchronous movement and adjustment of the drive motor.

[0017] Furthermore, the base and mounting portion form an integrated support structure. To make the support structure more stable and reliable, an optimization and feasible option is proposed: the base and mounting portion form an L-shaped vertical structure, and the base and mounting portion are further connected and fixed by a diagonal bracing structure. In this solution, the diagonal bracing structure can be constructed as a structure similar to a reinforcing rib to maintain the stability of the base and mounting portion.

[0018] Compared with the prior art, some of the beneficial effects of the technical solution disclosed in this utility model include:

[0019] The utility model adopts an inertia disk as a load component, and the load rotates synchronously with the reducer to be tested, thereby forming a more streamlined load testing system, which not only simplifies the operational complexity of load monitoring, but also improves the efficiency of operation, reduces the size of the system as a whole, and reduces the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only represent some embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 A schematic diagram of the overall structure of the test system.

[0022] Figure 2 A schematic diagram of the overall structure of the test system from another perspective.

[0023] Figure 3 It is a structural diagram of the inertia disk and the load shaft.

[0024] Figure 4 for Figure 3 Schematic diagram of the structure with some inertia blocks removed.

[0025] In the above drawings, the meanings of the symbols are:

[0026] 1. Mounting frame; 101. Mounting portion; 102. Base portion; 103. Bracing structure; 2. Drive motor; 3. Test hole; 4. Inertia disk; 401. Collar portion; 402. Spoke; 403. Sleeve portion; 404. Mounting hole; 5. Inertia block; 6. Load plate; 7. Load shaft; 8. Mounting fasteners; 9. Adjustment plate; 10. Adjustment rail. DETAILED DESCRIPTION

[0027] This embodiment will be further explained below with reference to the accompanying drawings and specific examples.

[0028] In view of the many shortcomings of existing load testing systems, such as complex structure, large size, inconvenient operation and adjustment, and high cost, the following embodiments are optimized and overcome the defects in the prior art.

[0029] Example

[0030] like Figures 1 to 4 As shown, this embodiment provides a reducer endurance load test system, including a mounting frame 1, on which is provided a base portion 102 for mounting a drive assembly, and a mounting portion 101 for connecting to a reducer to be tested. A load shaft 7 is formed on the outer side of the mounting portion 101 for connecting to and coaxially rotating with the reducer to be tested, and an inertia disk 4 is provided on the load shaft 7. The inertia disk 4 is connected to a plurality of detachable inertia blocks 5.

[0031] The test system disclosed in this embodiment uses an inertia disk 4 as a load component to cooperate with the reducer to be tested, which can ensure stable load addition and ensure the stability and reliability of the load of the reducer to be tested during the test process. At the same time, the structure of the entire test system is more streamlined, smaller in size, more flexible in operation, and more efficient in testing.

[0032] The inertia disc 4 is used to mount the inertia block 5 to provide a load. Its structure can be constructed in various forms and is not limited to a single one. This embodiment optimizes and adopts one feasible option: the inertia disc 4 includes a sleeve portion 403 that cooperates with the load shaft 7 and a collar portion 401 for connecting and mounting the inertia block 5. The sleeve portion 403 and the collar portion 401 are connected and fixed by a plurality of spokes 402. When adopting this solution, the sleeve portion 403, the collar portion 401, and the spokes 402 can be integrally formed.

[0033] The collar portion 401 connects to the inertia blocks 5. Various connection schemes are possible, but this embodiment employs one feasible option: the collar portion 401 is provided with a plurality of mounting holes 404, to which the inertia blocks 5 are secured via fasteners 8. The inertia blocks 5 are arranged continuously or evenly spaced along the collar portion 401. With this scheme, the inertia blocks 5 are located on the same circumference, and each inertia block 5 has the same size, shape, and weight, ensuring that each inertia block 5 generates the same load during rotation.

[0034] The placement of the inertia blocks 5 can be further optimized. This embodiment adopts one feasible option: the inertia blocks 5 are symmetrically arranged on both sides of the collar portion 401. With this arrangement, the inertia blocks 5 equalize the load on both sides of the inertia disc 4, ensuring stable and reliable operation.

[0035] The installation scheme of the reducer to be tested can be in various forms and is not limited to a single one. This embodiment optimizes and adopts one of the feasible options: a test hole 3 is provided on the installation portion 101, and the reducer to be tested is connected and fixed through the test hole 3.

[0036] The load shaft 7 is used to mount a load. The load can be placed not only radially but also axially via the inertia disc 4. This embodiment optimizes and adopts a feasible option: the load shaft 7 is further provided with a plurality of detachable load plates 6. These load plates 6 are tightly fitted along the axial direction of the load shaft 7 and rotate synchronously with the load shaft 7. In this solution, the diameter of the axially arranged load plates 6 is generally smaller than that of the inertia disc 4.

[0037] The drive assembly provides driving force for the reducer under test. This can be accomplished in a variety of ways, not necessarily by any means. This embodiment optimizes and employs one feasible option: the drive assembly includes a drive motor 2 and a control box, which controls the start and stop of the drive motor 2. With this approach, the motor, under the control of the control box, can provide a variety of speed conditions, thereby meeting various testing requirements.

[0038] When the drive motor 2 is mounted to the base, various structures can be used to achieve a secure connection, which is not limited to a single structure. This embodiment optimizes and adopts one feasible option: the base 102 is formed with an adjustment seat, and the drive motor 2 is mounted to the adjustment seat. The adjustment seat drives the drive motor 2 to translate and align with the reducer under test. When using this solution, the adjustment seat can be adjusted in the horizontal X-axis and Y-axis directions, driving the drive motor 2 to translate synchronously, thereby achieving alignment with the reducer under test.

[0039] The adjustment base can be constructed in a variety of structures, which are not limited to a single one. This embodiment optimizes and adopts one feasible option: the adjustment base includes an adjustment rail 10, on which is disposed an adjustment plate 9. The adjustment plate 9 slides back and forth along the adjustment rail 10, and the drive motor 2 is mounted and engaged with the adjustment plate 9. When this solution is adopted, the adjustment rail 10 includes a combined adjustment structure formed by an X-direction track and a Y-direction track, which can achieve adjustment in both the X and Y directions. The adjustment plate 9 can achieve movement adjustment in both directions by the combined adjustment structure, thereby driving the synchronous movement adjustment of the drive motor 2.

[0040] The base portion 102 and the mounting portion 101 form an integrated support structure. To make the support structure more stable and reliable, this embodiment is optimized and adopts one feasible option: the base portion 102 and the mounting portion 101 form an L-shaped vertical structure, and the base portion 102 and the mounting portion 101 are further reinforced and fixed by a diagonal bracing structure 103. When adopting this solution, the diagonal bracing structure 103 can be constructed as a structure similar to a reinforcing rib to maintain the stability of the base portion 102 and the mounting portion 101.

[0041] The above are the implementation methods listed in this embodiment, but this embodiment is not limited to the above optional implementation methods. Those skilled in the art can arbitrarily combine the above methods to obtain other various implementation methods. Anyone can derive other various implementation methods based on the inspiration of this embodiment. The above specific implementation methods should not be understood as limiting the scope of protection of this embodiment. The scope of protection of this embodiment should be based on the definition in the claims.

Claims

1. A reducer endurance load test system, characterized by: The invention comprises a mounting frame (1), wherein the mounting frame (1) is provided with a base portion (102) for mounting a drive assembly, and is further provided with a mounting portion (101) for connecting a reducer to be tested. A load shaft (7) for connecting and coaxially rotating with the reducer to be tested is formed on the outer side of the mounting portion (101), an inertia disk (4) is provided on the load shaft (7), and a plurality of detachable inertia blocks (5) are connected to the inertia disk (4).

2. The reducer endurance load testing system according to claim 1, characterized in that: The inertia disc (4) includes a sleeve portion (403) that cooperates with the load shaft (7), and also includes a collar portion (401) for connecting and installing the inertia block (5). The sleeve portion (403) and the collar portion (401) are connected and fixed via a plurality of spokes (402).

3. The reducer endurance load testing system according to claim 2, characterized in that: The collar portion (401) is provided with a plurality of mounting holes (404), and the inertia blocks (5) are fixed to the mounting holes (404) by means of mounting fasteners (8), and the inertia blocks (5) are continuously arranged or evenly spaced along the collar portion (401).

4. The reducer endurance load testing system according to claim 2 or 3, characterized in that: The inertia blocks (5) are symmetrically arranged on the two side surfaces of the collar portion (401).

5. The reducer endurance load testing system according to claim 1, characterized in that: The mounting portion (101) is provided with a test hole (3), and the reducer to be tested is connected and fixed through the test hole (3).

6. The reducer endurance load testing system according to claim 1, characterized in that: The load shaft (7) is also provided with a plurality of detachable load sheets (6), and the load sheets (6) are tightly fitted along the axial direction of the load shaft (7) and rotate synchronously with the load shaft (7).

7. The reducer endurance load testing system according to claim 1, characterized in that: The driving assembly comprises a driving motor (2) and a control box, wherein the control box is used to control the start and stop of the driving motor (2).

8. The reducer endurance load testing system according to claim 7, characterized in that: The base portion (102) is formed with an adjustment seat, and the drive motor (2) is mounted on the adjustment seat. The adjustment seat drives the drive motor (2) to translate and align with the reducer to be tested.

9. The reducer endurance load testing system according to claim 8, characterized in that: The adjustment seat comprises an adjustment rail (10), an adjustment plate (9) is provided on the adjustment rail (10), the adjustment plate (9) slides back and forth along the adjustment rail (10), and the drive motor (2) is mounted and fitted on the adjustment plate (9).

10. The reducer endurance load testing system according to claim 1, characterized in that: The base portion (102) and the mounting portion (101) form an L-shaped vertical structure, and the base portion (102) and the mounting portion (101) are further reinforced and fixed by a diagonal bracing structure (103).

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