Actuator torque test bench
By designing a actuator torque testing table with a transmission shaft and rolling wheel, the problem that existing equipment cannot effectively test large torque and safety hazards can be solved. It eliminates hidden safety hazards and improves operating convenience.
Patent Information
- Application Number
- CN202421125431.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-05-22
AI Technical Summary
The existing torque testing equipment cannot effectively test large torque due to its short force arms, and there are safety risks for increasing counterweights.
A actuator torque test table is designed to connect the output end of the actuator with the rolling wheel through the transmission shaft. It uses the tape rope to hang up the loading component to greatly increase the force arm of the torque test. Test larger torque under heavy conditions.
Under the same weight conditions, the upper limit of the torque test is significantly improved, the hidden safety hazards are eliminated, and the operation is more convenient to operate through the dynamic adjustment of dynamic adjustment.
Smart Images
Figure CN222419337U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of actuator testing equipment, and in particular to an actuator torque testing bench. Background Art
[0002] In the field of industrial automation, torque is a very important parameter for actuators, and it is necessary to conduct rigorous testing on this parameter to ensure safe, stable and efficient operation of the actuator.
[0003] The current torque testing equipment can generally only be used to test small torques of 100NM or less due to its short lever arm. If a large torque is to be tested, a large counterweight needs to be added, which poses a great safety hazard. Summary of the invention
[0004] The present application provides an actuator torque test bench, which solves the problem that the current torque testing equipment has a short lever arm and needs to add a large counterweight when testing large torques, which poses a safety hazard.
[0005] The present application provides an actuator torque test bench, comprising a gantry, a bracket being provided on a support frame on one side of the gantry, a reel being rotatably installed on the inner side of the bracket via a transmission shaft, an actuator being fixedly installed on the outer side of the bracket, and an output end of the actuator being transmission-connected to the transmission shaft; a fixed pulley being installed on the top crossbeam of the gantry, a pull rope being wound around the reel, and the end of the pull rope being connected to a counterweight assembly after passing around the fixed pulley.
[0006] In the technical solution provided in the present application, the output end of the actuator is connected to the reel through a transmission shaft, the transmission shaft is driven by the actuator to rotate, which drives the reel to rotate, and then the counterweight assembly is lifted with the help of a pull rope to realize the torque test; the torque test arm is greatly increased (the outer diameter of the reel is much larger than the outer diameter of the output end of the actuator), and under the same counterweight conditions, the upper limit of the torque test is greatly improved, and a lighter counterweight can be used to test a larger torque, thereby eliminating safety hazards.
[0007] In some embodiments, the bracket includes a rectangular frame formed by a top plate, a bottom plate and two side plates, both ends of the transmission shaft are installed on the two side plates through bearings, and the reel is rotatably installed in the rectangular frame. The bracket structure is stable and easy to use.
[0008] In some embodiments, the outer wall of the transmission shaft is provided with a flat key, and the inner wall of the shaft hole of the reel is provided with a keyway matching the flat key; the transmission shaft and the shaft hole of the reel are connected through the flat key and the keyway, and the structure is stable.
[0009] In some embodiments, the counterweight assembly includes a hanger rod and a base, the hanger rod is connected to the end of the pull rope, and a plurality of weights are stacked on the base; the top surfaces of some of the weights are provided with through holes, and the inner diameter of the through holes matches the outer diameter of the hanger rod; the sides of some of the weights are provided with through first positioning holes, and the outer wall of the hanger rod is radially provided with second positioning holes matching the first positioning holes, and the first positioning holes are connected to the second positioning holes by a pin; by opening a through hole and a first positioning hole on the weight and opening a second positioning hole on the hanger rod, the hanger rod can be inserted into the through hole to an appropriate depth according to the test requirements, so that the second positioning hole is opposite to the first positioning hole of the corresponding weight, and then the pin is inserted, so that the required number of weights can be selected for torque testing, and there is no need to take and put the weights when adjusting the counterweight weight, which is convenient to operate.
[0010] In some embodiments, there are multiple second positioning holes, and the multiple second positioning holes are evenly spaced along the axial direction of the suspension rod, and the spacing between adjacent second positioning holes is equal to the spacing between adjacent first positioning holes; the purpose of such design is to facilitate the insertion of the pin. When adjusting the counterweight, you only need to insert the suspension rod into the through hole of the bottom weight, and then insert the pin into the first positioning hole of the corresponding weight as needed.
[0011] In some embodiments, two parallel guide rods are provided on the top surface of the base, and the two guide rods are located on both sides of the suspension rod. Penetrating guide holes are provided on both sides of the through holes of some of the weights, and the position and inner diameter of the guide holes match the position and outer diameter of the guide rods. By providing the guide rods, the weights can be prevented from shaking during the rising and falling process, ensuring that all weights are stacked neatly after the test is completed.
[0012] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The drawings in this application are used to illustrate preferred embodiments, so that those skilled in the art can clearly understand various other advantages and benefits, and should not be considered as limitations of this application. In addition, the same reference numerals are used throughout the drawings to represent the same or similar components.
[0014] Figure 1 A three-dimensional schematic diagram of an actuator torque test bench for the present application;
[0015] Figure 2 This is an exploded schematic diagram of a reel and a bracket in one embodiment of the present application;
[0016] Figure 3This is a structural schematic diagram of a counterweight assembly in one embodiment of the present application;
[0017] Icons: 1. Gantry; 2. Bracket; 3. Drive shaft; 4. Reel; 5. Actuator; 6. Fixed pulley; 7. Pull rope; 8. Counterweight assembly; 9. Bearing; 10. Hanging rod; 11. Base; 12. Weight; 13. Through hole; 14. First positioning hole; 15. Second positioning hole; 16. Pin; 17. Guide rod; 18. Guide hole. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0019] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0020] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two (including two), unless otherwise clearly and specifically defined.
[0021] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.
[0022] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.
[0023] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0024] See also Figure 1-Figure 3 The embodiment of the present application provides an actuator torque test bench, including a gantry 1, a bracket 2 is provided on one side support frame of the gantry 1, a reel 4 is rotatably installed on the inner side of the bracket 2 through a transmission shaft 3, an actuator 5 is fixedly installed on the outer side of the bracket 2, and the output end of the actuator 5 is transmission-connected to the transmission shaft 3; a fixed pulley 6 is installed on the top crossbeam of the gantry 1, a pull rope 7 is wound around the reel 4, and the end of the pull rope 7 is connected to a counterweight assembly 8 after passing around the fixed pulley 6.
[0025] In the technical solution provided in the embodiment of the present application, the output end of the actuator 5 is connected to the reel 4 through the transmission shaft 3, the transmission shaft 3 is driven to rotate by the actuator 5, and the reel 4 is driven to rotate, and then the counterweight assembly 8 is lifted with the help of the pull rope 7 to realize the torque test; the force arm of the torque test is greatly increased (the outer diameter of the reel 4 is much larger than the outer diameter of the output end of the actuator 5), and under the same counterweight conditions, the upper limit of the torque test is greatly improved, and a lighter counterweight can be used to test a larger torque, thereby eliminating safety hazards.
[0026] In a specific implementation, the pull rope 7 is a steel wire rope.
[0027] Please continue reading Figure 2 In some embodiments, the bracket 2 includes a rectangular frame formed by a top plate, a bottom plate and two side plates. Both ends of the transmission shaft 3 are installed on the two side plates through bearings 9. The reel 4 is rotatably installed in the rectangular frame. The bracket 2 has a stable structure and is easy to use.
[0028] In a specific embodiment, a mounting hole for mounting the bearing 9 is provided on the side plate, and a connecting hole for fixing the actuator 5 is also provided near the mounting hole.
[0029] In some embodiments, the outer wall of the transmission shaft 3 is provided with a flat key, and the inner wall of the shaft hole of the reel 4 is provided with a keyway matching the flat key; the transmission shaft 3 and the shaft hole of the reel 4 are connected through the flat key and the keyway, and the structure is stable.
[0030] Please continue reading Figure 3 In some embodiments, the counterweight assembly 8 includes a suspension rod 10 and a base 11, wherein the suspension rod 10 is connected to the end of the pull rope 7, and a plurality of weights 12 are stacked on the base 11; a plurality of weights 12 are provided with through holes 13 on the top surfaces, and the inner diameter of the through holes 13 matches the outer diameter of the suspension rod 10; a plurality of weights 12 are provided with through first positioning holes 14 on the sides, and a second positioning hole 15 matching the first positioning hole 14 is provided radially on the outer wall of the suspension rod 10, and the first positioning hole 14 It is connected to the second positioning hole 15 through the pin 16; by opening the through hole 13 and the first positioning hole 14 on the weight 12 and opening the second positioning hole 15 on the suspension rod 10, the suspension rod 10 can be inserted into the through hole 13 to an appropriate depth according to the test requirements, so that the second positioning hole 15 is opposite to the first positioning hole 14 of the corresponding weight 12, and then the pin 16 is inserted, and the required number of weights 12 can be selected for torque testing. There is no need to take and place the weight 12 when adjusting the counterweight weight, which is easy to operate and can realize the measurement of dynamic torque.
[0031] In a specific embodiment, the outer diameter of the reel 4 is the lever arm of the torque test. Assuming that the outer diameter of the reel 4 is D and the torque to be tested is T, the required counterweight is G=T / D; assuming that the nominal weight of the weight 12 is m, the required number of weights 12 is n=G / mg; select a suitable number of weights 12 for testing according to the torque test requirements.
[0032] Please continue reading Figure 3 In some embodiments, there are multiple second positioning holes 15, and the multiple second positioning holes 15 are evenly spaced along the axial direction of the suspension rod 10, and the spacing between adjacent second positioning holes 15 is equal to the spacing between adjacent first positioning holes 14; the purpose of this design is to facilitate the insertion of the pin 16. When adjusting the counterweight, you only need to insert the suspension rod 10 into the through hole 13 of the bottom weight 12, and then insert the pin 16 into the first positioning hole 14 of the corresponding weight 12 as needed.
[0033] Please continue reading Figure 3In some embodiments, two parallel guide rods 17 are provided on the top surface of the base 11, and the two guide rods 17 are located on both sides of the suspension rod 10 (the guide rods 17 are parallel to the suspension rod 10). Penetrating guide holes 18 are provided on both sides of the through holes 13 of some of the weights 12, and the position and inner diameter of the guide holes 18 match the position and outer diameter of the guide rods 17; by providing the guide rods 17, the weights 12 can be prevented from shaking during the rising and falling process, ensuring that all the weights 12 are stacked neatly after the test is completed.
[0034] In a specific embodiment, a sliding sleeve may be provided inside the guide hole 18, and the sliding sleeve and the guide rod 17 are slidably matched. By providing the sliding sleeve, the friction between the weight 12 and the guide rod 17 during the rising process can be reduced, thereby reducing the test error.
[0035] The test method of the torque test bench in this embodiment is as follows:
[0036] According to the needs of the torque test, select a suitable counterweight. Assuming that 6 counterweights 12 are needed, count to the 6th weight 12 from the top, insert the pin 16 into the first positioning hole 14 on the side of the 6th weight 12, and insert the pin 16 into the second positioning hole 15 to connect the weight 12 with the suspension rod 10; then start the actuator 5, and drive the transmission shaft 3 to rotate through the actuator 5. The transmission shaft 3 transmits the torque output by the actuator 5 to the shaft hole of the reel 4, driving the reel 4 to rotate. The reel 4 rotates to tighten the pulley 7, and the pulley 7 pulls the suspension rod 10 and the 6 weights 12 up with the help of the fixed pulley 6, thereby realizing the torque test; if the torque output by the actuator 5 can lift the 6 weights 12, it indicates that the actuator 5 meets the requirements of this torque test.
[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some or all of the technical features therein can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.
Claims
1. An actuator torque test bench, characterized in that: The invention comprises a gantry (1), wherein a support frame (2) is provided on one side of the gantry (1), a reel (4) is rotatably mounted on the inner side of the support (2) via a transmission shaft (3), an actuator (5) is fixedly mounted on the outer side of the support (2), and the output end of the actuator (5) is transmission-connected to the transmission shaft (3); a fixed pulley (6) is installed on the top crossbeam of the gantry (1), a pull rope (7) is wound around the reel (4), and the end of the pull rope (7) is connected to a counterweight assembly (8) after passing around the fixed pulley (6).
2. The actuator torque test bench according to claim 1, characterized in that: The bracket (2) comprises a rectangular frame formed by a top plate, a bottom plate and two side plates, and the two ends of the transmission shaft (3) are mounted on the two side plates via bearings (9).
3. The actuator torque test bench according to claim 1, characterized in that: The outer wall of the transmission shaft (3) is provided with a flat key, and the inner wall of the shaft hole of the reel (4) is provided with a keyway matching the flat key.
4. The actuator torque test bench according to claim 1, characterized in that: The counterweight assembly (8) comprises a suspension rod (10) and a base (11), wherein the suspension rod (10) is connected to the end of a pull rope (7), and a plurality of weights (12) are stacked on the base (11); the top surfaces of the plurality of weights (12) are provided with through holes (13), and the inner diameter of the through holes (13) matches the outer diameter of the suspension rod (10); the side surfaces of the plurality of weights (12) are provided with through first positioning holes (14), and the outer wall of the suspension rod (10) is provided with second positioning holes (15) matching the first positioning holes (14) in the radial direction, and the first positioning holes (14) and the second positioning holes (15) are connected by a latch (16).
5. The actuator torque test bench according to claim 4, characterized in that: A plurality of the second positioning holes (15) are provided, and the plurality of the second positioning holes (15) are arranged at equal intervals along the axial direction of the suspension rod (10), and the spacing between adjacent second positioning holes (15) is equal to the spacing between adjacent first positioning holes (14).
6. The actuator torque test bench according to claim 4, characterized in that: Two parallel guide rods (17) are provided on the top surface of the base (11), and the two guide rods (17) are located on both sides of the suspension rod (10). Penetrating guide holes (18) are provided on both sides of the through holes (13) of the weights (12), and the position and inner diameter of the guide holes (18) match the position and outer diameter of the guide rods (17).