A speed reducer testing device
By using a load motor instead of a load disc in the speed reducer testing equipment, the size of the speed reducer testing equipment was reduced while maintaining testing accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUHAN BAOJIU ELECTRONICS CO LTD
- Filing Date
- 2025-09-12
- Publication Date
- 2026-08-04
AI Technical Summary
Existing speed reducer testing equipment is bulky and requires a load-bearing plate, which makes the equipment too large.
A load motor is used to replace the load disc. The torque on the power input side and the output side of the reducer is detected by output and input detection devices, respectively. The power input component is used to input power to the reducer.
It effectively reduced the size of the testing equipment while maintaining testing accuracy.
Smart Images

Figure CN224594189U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of speed reducer testing technology, and in particular to a speed reducer testing device. Background Technology
[0002] A speed reducer plays a role in matching speeds and transmitting torque between a prime mover and a driven machine or actuator. A speed reducer is a relatively precise piece of machinery used to reduce speed and increase torque. As a mechanical transmission device, speed reducers are widely used in various fields due to their small size, large transmission ratio, and high transmission efficiency.
[0003] Gearboxes typically undergo efficiency testing before leaving the factory. Currently, the mainstream efficiency testing method involves applying a load to the gearbox. For example, patent CN106644471B provides a gearbox efficiency testing device, which includes a fixed platform on which the gearbox to be tested is fixed; a motor, directly or indirectly connected to the input end of the gearbox via a torque sensor, the first torque sensor being used to detect the output torque of the motor; a take-up reel, mounted on the gearbox, with the output end of the gearbox driving the take-up reel to rotate; and a traction line, one end connected to the take-up reel and the other end connected to the load; the gearbox drives the take-up reel to rotate, the take-up reel winds up and unwinds the traction line, and the traction line pulls the load to move.
[0004] The existing technology has the following drawbacks: it requires a load plate, which makes the entire testing equipment bulky. Utility Model Content
[0005] In view of this, it is necessary to provide a speed reducer testing device that can solve the problem of the large size of the testing equipment.
[0006] This utility model provides a speed reducer testing device, comprising: The support platform has a fixing component for securing the reducer to be tested; A power input component is mounted on the support platform and has a power output end; An input testing component is placed on the support platform, with one end connected to the power input component and the other end forming a power output end connected to the reducer to be tested; An output load assembly includes a load motor, the load motor being fixed to the support platform and having a rotating end; and The output detection component has one end forming a power input end connected to the reducer under test, and the other end connected to the rotating end of the load motor. The input detection component and the output detection component are used to detect the torque on the power input side and the torque on the output side of the reducer under test, respectively.
[0007] In other embodiments, the support platform includes a bracket, a horizontal bearing plate, and a vertical bearing plate. The bracket is vertically arranged, the horizontal bearing plate is fixed to the top of the bracket in a horizontal direction, the vertical bearing plate is fixed to the bracket in a vertical direction, the fixing component, the power input component, and the input detection component are fixed to the horizontal bearing plate, and the output detection component and the output load component are fixed to the vertical bearing plate.
[0008] In other embodiments, a through hole is provided on the horizontal bearing plate, and the fixing component is disposed at the through hole, the through hole corresponding to the output detection component and the output load component.
[0009] In other embodiments, the fixing assembly includes a pair of clamps, which are respectively disposed on both sides of the through hole and bolted to the horizontal bearing plate, forming an area for mounting the speed reducer to be tested between the clamps.
[0010] In other embodiments, the horizontal support plate has a plurality of bolt holes for fixing the clamping plate, and the bolt holes are arranged in a direction away from the through hole.
[0011] In other embodiments, the horizontal bearing plate is further provided with a rotating shaft support member, which is used to support the rotating shaft between the reducer to be tested and the input detection member.
[0012] In other embodiments, the rotating shaft support includes a support base and a rotating bearing. The support base is fixed to the horizontal bearing plate by bolts. The rotating bearing has a first part and a second part that are rotatable relative to each other. The first part is fixed to the support base, and the second part is fixed to the rotating shaft between the reducer to be tested and the input detection component.
[0013] In other embodiments, the support platform further includes a sliding assembly disposed on the horizontal support plate and having a support surface that can slide relative to the horizontal support plate, wherein the power input assembly and the input detection element are fixed on the support surface.
[0014] In other embodiments, the sliding assembly includes a sliding track, a slider, a sliding plate, and a limiter. The sliding track is fixed to the horizontal support plate. The slider is slidably connected to the sliding track and can move along the sliding track. The sliding plate is fixed to the slider. The power input assembly and the input detection element are fixed to the sliding plate. The limiter is detachably connected to the sliding track to restrict the slider from sliding along the sliding track.
[0015] In other embodiments, the sliding track has a plurality of insertion holes along its length, and the limiter can be partially inserted into the insertion holes to limit the sliding device.
[0016] The beneficial effects of this utility model are as follows: This utility model includes a support platform, a power input component, an input detection component, an output detection component, and an output load component. The support platform is equipped with a fixing component for fixing the reducer under test. The power input component is located on the support platform and has a power output end. The input detection component is located on the support platform, with one end connected to the power input component and the other end forming a power output end connected to the reducer under test. The output load component includes a load motor, which is fixed on the support platform and has a rotating end. The output detection component is located on the support platform, with one end forming a power input end connected to the reducer under test and the other end connected to the rotating end of the load motor. The input detection component and the output detection component are used to detect the torque on the power input side and the torque on the output side of the reducer under test, respectively. This invention includes a power input component, an input detection component, an output detection component, and an output load component. The power input component is used to input power to the reducer under test through the input detection component. The input detection component is used to detect the torque on the input side of the reducer under test. The output load component includes a load motor, which provides a load to the reducer under test through the output detection component. The output detection component is used to detect the torque on the output side of the reducer under test. By replacing the load disc in the prior art with a load motor, the size of the testing equipment can be effectively reduced. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the speed reducer testing device in this utility model; Figure 2 for Figure 1 Enlarged view of the fixed component in the middle; Figure 3 for Figure 1 Enlarged schematic diagram of the input detection part; Wherein: 1-support platform, 11-fixed component, 111-clamping plate, 12-bracket, 13-horizontal bearing plate, 131-through hole, 132-bolt hole, 133-rotating shaft support, 133a-support seat, 133b-rotating bearing, 14-vertical bearing plate, 15-sliding component, 151-sliding track, 151a-insertion hole, 152-slider, 153-sliding plate; 2-Power input assembly, 21-Output motor; 3- Input test piece; 4- Output test pieces; 5-Output load assembly, 51-Load motor. Detailed Implementation
[0019] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.
[0020] like Figure 1-3 As shown, an embodiment of this utility model provides a speed reducer testing device, which includes: a support platform 1, a power input component 2, an input detection component 3, an output detection component 4, and an output load component 5. The support platform 1 has a fixing component 11 for fixing the speed reducer to be tested. The power input component 2 is disposed on the support platform 1 and has a power output end. The input detection component 3 is disposed on the support platform 1, with one end connected to the power input component 2 and the other end forming a power output end connected to the speed reducer to be tested. The output load component 5 includes a load motor 51, which is fixed on the support platform 1 and has a rotating end. The output detection component 4 is disposed on the support platform 1, with one end forming a power input end connected to the speed reducer to be tested and the other end connected to the rotating end of the load motor 51. The input detection component 3 and the output detection component 4 are used to detect the torque on the power input side and the torque on the output side of the speed reducer to be tested, respectively.
[0021] In this invention, a power input component 2, an input detection element 3, an output detection element 4, and an output load component 5 are provided. The power input component 2 is used to input power to the reducer under test through the input detection element 3. The input detection element 3 is used to detect the torque on the input side of the reducer under test. The output load component 5 includes a load motor 51. The load motor 51 provides a load to the reducer under test through the output detection element 4. The output detection element 4 is used to detect the torque on the output side of the reducer under test. Replacing the load disk in the prior art with the load motor 51 can effectively reduce the size of the testing equipment.
[0022] Specifically, the support platform 1 includes a bracket 12, a horizontal bearing plate 13, and a vertical bearing plate 14. The bracket 12 is vertically arranged, the horizontal bearing plate 13 is fixed to the top of the bracket 12 in the horizontal direction, and the vertical bearing plate 14 is fixed to the bracket 12 in the vertical direction. The fixing component 11, the power input component 2, and the input detection component 3 are fixed to the horizontal bearing plate 13, and the output detection component 4 and the output load component 5 are fixed to the vertical bearing plate 14.
[0023] Furthermore, a through hole 131 is provided on the horizontal bearing plate 13, and the fixing component 11 is disposed at the through hole 131. The through hole 131 corresponds to the output detection component 4 and the output load component 5. The purpose of providing the through hole 131 is to enable the output end of the reducer under test to be connected to the output detection component 4.
[0024] Furthermore, the fixing component 11 includes a pair of clamping plates 111, which are respectively disposed on both sides of the through hole 131 and connected to the horizontal bearing plate 13 by bolts, and the clamping plates 111 form an area for installing the speed reducer to be tested.
[0025] Furthermore, the horizontal support plate 13 has a plurality of bolt holes 132 for fixing the clamping plate 111, and the bolt holes 132 are arranged in a direction away from the through hole 131. In use, the appropriate bolt holes 132 can be selected according to the size of the reducer to be tested, and the clamping plate 111 can be installed.
[0026] Furthermore, the horizontal bearing plate 13 is also provided with a rotating shaft support 133, which is used to support the rotating shaft between the reducer to be tested and the input detection component 3, so that the rotating shaft between the reducer to be tested and the input detection component 3 can rotate smoothly.
[0027] Furthermore, the rotating shaft support 133 includes a support base 133a and a rotating bearing 133b. The support base 133a is fixed to the horizontal bearing plate 13 by bolts. The rotating bearing 133b has a first part and a second part that can rotate relative to each other. The first part is fixed to the support base 133a, and the second part is fixed to the rotating shaft between the reducer to be tested and the input detection component 3.
[0028] Furthermore, the power input component 2 includes an output motor 21, which is connected to the input end shaft of the input detection element 3.
[0029] Furthermore, the input detection device 3 includes a first torque sensor, the two ends of which are respectively connected to the output motor 21 and the shaft of the reducer to be tested.
[0030] Furthermore, the support platform 1 also includes a sliding component 15, which is disposed on the horizontal support plate 13 and has a support surface that can slide relative to the horizontal support plate 13. The power input component 2 and the input detection element 3 are fixed on the support surface. In use, the sliding component 15 drives the power input component 2 and the input detection element 3 to slide relative to the horizontal support plate 13 to adjust the position of the power input component 2 and the input detection element 3 relative to the fixed component 11.
[0031] Furthermore, the sliding assembly 15 includes a sliding rail 151, a slider 152, a sliding plate 153, and a limiter (not shown). The sliding rail 151 is fixed on the horizontal support plate 13. The slider 152 is slidably connected to the sliding rail 151 and can move along the sliding rail 151. The sliding plate 153 is fixed on the slider 152. The power input assembly 2 and the input detection element 3 are fixed on the sliding plate 153. The limiter is detachably connected to the sliding rail 151 to restrict the slider 152 from sliding along the sliding rail 151.
[0032] Furthermore, the sliding track 151 has a plurality of insertion holes 151a along its length direction, and the limiter can be partially inserted into the insertion holes 151a to limit the slider 152.
[0033] Specifically, the output detection component 4 includes a second torque sensor, the two ends of which are respectively connected to the load motor 51 and the shaft of the reducer to be tested.
[0034] The beneficial effects of this utility model are: This utility model includes a support platform, a power input component, an input detection component, an output detection component, and an output load component. The support platform is equipped with a fixing component for fixing the reducer under test. The power input component is located on the support platform and has a power output end. The input detection component is located on the support platform, with one end connected to the power input component and the other end forming a power output end connected to the reducer under test. The output load component includes a load motor, which is fixed on the support platform and has a rotating end. The output detection component is located on the support platform, with one end forming a power input end connected to the reducer under test and the other end connected to the rotating end of the load motor. The input detection component and the output detection component are used to detect the torque on the power input side and the torque on the output side of the reducer under test, respectively. This invention includes a power input component, an input detection component, an output detection component, and an output load component. The power input component is used to input power to the reducer under test through the input detection component. The input detection component is used to detect the torque on the input side of the reducer under test. The output load component includes a load motor, which provides a load to the reducer under test through the output detection component. The output detection component is used to detect the torque on the output side of the reducer under test. By replacing the load disc in the prior art with a load motor, the size of the testing equipment can be effectively reduced.
[0035] In the description of this application, it should be noted that the terms "upper" and "lower," etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the module 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 application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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 between two components. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.
[0036] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0037] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the scope of protection of this utility model.
Claims
1. A reducer testing device characterized by, include: The support platform has a fixing component for securing the reducer to be tested; A power input component is mounted on the support platform and has a power output end; An input testing component is placed on the support platform, with one end connected to the power input component and the other end forming a power output end connected to the reducer to be tested; The output load assembly includes a load motor, which is fixed to the support platform and has a rotating end; as well as The output detection component has one end forming a power input end connected to the reducer under test, and the other end connected to the rotating end of the load motor. The input detection component and the output detection component are used to detect the torque on the power input side and the torque on the output side of the reducer under test, respectively.
2. The reduction gear testing device of claim 1, wherein The support platform includes a bracket, a horizontal bearing plate, and a vertical bearing plate. The bracket is vertically arranged, the horizontal bearing plate is fixed to the top of the bracket in the horizontal direction, the vertical bearing plate is fixed to the bracket in the vertical direction, the fixing component, the power input component, and the input detection component are fixed to the horizontal bearing plate, and the output detection component and the output load component are fixed to the vertical bearing plate.
3. The reduction gear testing device of claim 2, wherein The horizontal bearing plate has a through hole, and the fixing component is located at the through hole. The through hole corresponds to the output detection component and the output load component.
4. The reduction gear testing device of claim 3, wherein The fixing assembly includes a pair of clamps, which are respectively disposed on both sides of the through hole and connected to the horizontal bearing plate by bolts. The clamps form an area for installing the speed reducer to be tested.
5. The reduction gear testing device of claim 4, wherein The horizontal support plate has multiple bolt holes for fixing the clamping plate, and the bolt holes are arranged in a direction away from the through hole.
6. The reduction gear testing device of claim 2, wherein The horizontal bearing plate is also provided with a rotating shaft support, which is used to support the rotating shaft between the reducer to be tested and the input test piece.
7. The reduction gear testing device of claim 6, wherein The rotating shaft support includes a support base and a rotating bearing. The support base is fixed to the horizontal bearing plate by bolts. The rotating bearing has a first part and a second part that can rotate relative to each other. The first part is fixed to the support base, and the second part is fixed to the rotating shaft between the reducer to be tested and the input detection component.
8. The reduction gear testing device of claim 2, wherein The support platform further includes a sliding component, which is disposed on the horizontal bearing plate and has a bearing surface that can slide relative to the horizontal bearing plate. The power input component and the input detection component are fixed on the bearing surface.
9. The reduction gear testing device of claim 8, wherein The sliding assembly includes a sliding track, a slider, a sliding plate, and a limiter. The sliding track is fixed to the horizontal support plate. The slider is slidably connected to the sliding track and can move along the sliding track. The sliding plate is fixed to the slider. The power input assembly and the input detection element are fixed to the sliding plate. The limiter is detachably connected to the sliding track to restrict the slider from sliding along the sliding track.
10. The reduction gear testing device of claim 9, wherein The sliding track has several insertion holes along its length, and the limiter can be partially inserted into the insertion holes to limit the movement of the slider.