Outward rotation test bench
By designing an external rotation test bench that can simulate the real working conditions of the inverter, the problem that existing equipment cannot accurately test the rotation of the inverter outer ring is solved, and more accurate measurement results are achieved.
Patent Information
- Application Number
- CN202420441686.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-07
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-07
AI Technical Summary
The existing inverter test equipment cannot test the rotation of the inverter outer ring under real working conditions, resulting in inaccurate measurement results.
An external rotation test bench is designed to rotate the outer ring of the reverse stop through components such as frame, fixed seat, rotatable main gear and chuck, while the inner ring does not rotate, simulating the real working conditions.
The test bench can more accurately reflect the motion load and performance of the inverter in actual use, and improve the accuracy of the measurement results.
Smart Images
Figure CN222579587U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of test equipment for backstops, in particular to an external rotation test bench. Background Art
[0002] The backstop is a mechanical device to prevent the inclined belt conveyor from reversing or sliding when it stops with load. The backstop is composed of several special-shaped wedges distributed in a certain pattern in the raceway formed by the inner and outer rings. The raceway between the inner and outer rings adopts bearing-type positioning support to make it run smoothly. The inner and outer rings are connected together by the side plates on both sides through bolts to form the main body of the backstop. The backstop body is connected to the anti-rotation force arm, and the force arm is limited by a fixed stop iron. There is a high-precision torsion spring at both ends of each wedge, which can ensure the gapless backstop when the backstop is stressed and the force synchronization of each wedge. When the inner ring runs at normal speed, due to the unique shape of the wedge, it can achieve ultra-low wear under the action of mechanics and torque. Before the inner ring of the check valve stops rotating, the wedge block gives the initial force of the check valve under the action of the torsion spring force. When the conveyor stops due to power outage or equipment failure, the lifting gravity of the material forces the inner ring of the check valve to reverse, thereby driving the wedge block to deflect and wedging the wedge block, inner ring and outer ring of the check valve into one, realizing the gapless check valve.
[0003] The backstop ensures the safe operation of the equipment by resisting the reverse torque. The reverse torque provided by the backstop must be effectively guaranteed. In order to use it reliably and safely, the backstop must be tested for operation using special equipment before leaving the factory. The usual test method is to fix the outer ring of the backstop and connect the inner ring to the shaft. However, in actual use, the outer ring of the backstop rotates. This test method cannot reflect the actual working conditions. In actual working scenarios, the motion load of the outer ring is greater, and product defects will be magnified, such as louder noises, which is somewhat different from the actual measurement results. Utility Model Content
[0004] The utility model aims at providing an external rotation test bench. During measurement, the outer ring of the backstop rotates, while the inner ring does not rotate, so as to reflect the real working condition and make the measurement result more accurate.
[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: an external rotation test bench, comprising a frame and a check valve body, the check valve body comprising an outer ring and an inner ring, a side wall of the frame is provided with a fixed seat and a rotatable main gear, an outer wall of the fixed seat is sleeved with a rotatable chuck and a sub-gear, the sub-gear is circumferentially fixedly connected to the chuck, the sub-gear is meshed with the main gear, the sub-gear is located between the chuck and the frame, a motor is provided on the frame, the output shaft of the motor is connected to the main gear, a threaded groove is provided on the chuck, and a fixing hole is provided on the outer ring; it also includes a connecting bolt that passes through the fixing hole and is connected to the threaded groove, and a groove is provided at the center of the fixed seat; it also includes a locking component, one end of the locking component is circumferentially locked with the groove, and the other end is circumferentially fixedly connected with the axial hole of the inner ring, a stabilizing frame is provided on one side of the frame, a stabilizing component is provided on the stabilizing frame, and the stabilizing component abuts against the center of the other end of the locking component.
[0006] Using the above technical solution, when measuring, the locking component is connected to the groove, the axial hole of the inner ring is passed through the locking component, and then the bolt is passed through the through hole of the outer ring and connected to the threaded groove on the chuck, so that the installation of the check valve body is completed, and the stabilizing component on the stabilizing frame is abutted against the center position of the end of the locking component, and the locking component and the fixed seat are pressed and locked, and then the motor is turned on. The output shaft of the motor drives the main gear to rotate, thereby driving the secondary gear to rotate. At the same time, the chuck rotates, thereby driving the outer ring to rotate. The inner ring does not rotate because it is circumferentially fixed to the locking component. The measurement process can reflect the actual working conditions, making the measurement results more accurate, thereby achieving the purpose of the test.
[0007] As a further optimization of the present invention, the shape of the groove is rectangular, and a locking block is provided at the end of the locking component, and the locking block is adapted to the shape of the groove.
[0008] As a further optimization of the utility model, a threaded hole is provided on the stabilizing frame, and the stabilizing component includes a connecting column and an abutment head, the connecting column is provided with an external thread and connected to the threaded hole, and the abutment head abuts against the locking component.
[0009] By adopting the above technical solution, the stabilizing component is threadedly connected to the threaded hole, so that the position of the stabilizing component can be adjusted in the axial direction, which can not only adjust the clamping force but also improve the installation and disassembly efficiency.
[0010] As a further optimization of the present invention, the abutment head is configured to be conical.
[0011] By adopting the above technical solution, the abutting head and the locking part achieve point contact, so that the friction between the two is small.
[0012] As a further optimization of the present invention, one end of the connecting column away from the locking component passes through the threaded hole and is connected to a hand wheel.
[0013] By adopting the above technical solution, the connecting column is driven to rotate by the hand wheel, which is convenient and labor-saving to operate.
[0014] The beneficial effects of the utility model are as follows: when measuring, the locking component is connected to the groove, the axial hole of the inner ring is passed through the locking component, and then the bolt is passed through the through hole of the outer ring and connected to the threaded groove on the chuck, so that the installation of the backstop body is completed, and the stabilizing component on the stabilizing frame is abutted against the end center position of the locking component, and the locking component and the fixing seat are pressed and locked, and then the motor is turned on, and the output shaft of the motor drives the main gear to rotate, thereby driving the secondary gear to rotate, and at the same time the chuck rotates, thereby driving the outer ring to rotate, and the inner ring does not rotate because it is circumferentially fixedly connected to the locking component. The measuring process can reflect the actual working conditions, so that the measurement results are more accurate, thereby achieving the purpose of the test. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a side view structural diagram of the frame in the utility model;
[0017] Figure 3 It is a schematic diagram of the top view of the frame in the utility model.
[0018] The meaning of the numbers in the figure are as follows: 1. Frame; 11. Fixed seat; 111. Groove; 12. Main gear; 2. Inner ring; 22. Outer ring; 221. Fixing hole; 31. Chuck; 311. Threaded groove; 32. Sub-gear; 4. Motor; 5. Connecting bolt; 6. Locking component; 61. Locking block; 7. Stabilizing frame; 71. Threaded hole; 81. Abutment; 82. Connecting column; 9. Handwheel. DETAILED DESCRIPTION
[0019] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.
[0020] See attached Figure 1-3, the embodiment disclosed in the utility model is further provided with: an external rotation test bench, comprising a frame 1 and a backstop body, the backstop body comprising an outer ring 22 and an inner ring 2, a fixed seat 11 and a rotatable main gear 12 are provided on the side wall of the frame 1, a rotatable chuck 31 and a sub-gear 32 are sleeved on the outer wall of the fixed seat 11, the sub-gear 32 is circumferentially fixedly connected to the chuck 31, the sub-gear 32 is meshedly connected to the main gear 12, the sub-gear 32 is located between the chuck 31 and the frame 1, a motor 4 is provided on the frame 1, and the output shaft of the motor 4 is connected to the main gear 12;
[0021] The chuck 31 is provided with a thread groove 311, and the outer ring 22 is provided with a fixing hole 221; it also includes a connecting bolt 5 that passes through the fixing hole 221 and is connected to the thread groove 311, and the center of the fixing seat 11 is provided with a groove 111; it also includes a locking component 6, one end of the locking component 6 is circumferentially locked with the groove 111, and the other end is circumferentially fixedly connected with the axial hole of the inner ring 2, specifically, the shape of the groove 111 is rectangular, and the end of the locking component 6 is provided with a locking block 61, and the locking block 61 is adapted to the shape of the groove 111;
[0022] A stabilizing frame 7 is provided on one side of the frame 1, and a stabilizing component is provided on the stabilizing frame 7, and the stabilizing component abuts against the center of the other end of the locking component 6. Specifically, the abutting head 81 is set to be conical. Further, a threaded hole 71 is opened on the stabilizing frame 7, and the stabilizing component includes a connecting column 82 and an abutting head 81. The connecting column 82 is provided with an external thread and connected to the threaded hole 71, and the abutting head 81 abuts against the locking component 6.
[0023] Furthermore, one end of the connecting column 82 away from the locking component 6 passes through the threaded hole 71 and is connected to a hand wheel 9. The connecting column 82 is driven to rotate by the hand wheel 9, which makes the operation convenient and labor-saving.
[0024] The principle of the utility model is as follows: when measuring, the locking component 6 is connected to the groove 111, the axial hole of the inner ring 2 passes through the locking component 6, and then the bolt is passed through the through hole of the outer ring 22 and connected to the threaded groove 311 on the chuck 31, so that the backstop body is installed;
[0025] The hand wheel 9 drives the connecting column 82 to rotate, so that the connecting column can be adjusted in the axial direction, so that the abutting head 81 abuts at the center position of the end, and the locking component 6 and the fixing seat 11 are pressed and locked. The abutting head 81 and the locking part are in point contact, so that the friction between the two is small, so that the stabilizing component can be adjusted in the axial direction, which can not only adjust the pressing force, but also improve the installation and disassembly efficiency;
[0026] Then turn on the motor 4, and the output shaft of the motor 4 drives the main gear 12 to rotate, thereby driving the sub-gear 32 to rotate, and at the same time the chuck 31 rotates, thereby driving the outer ring 22 to rotate. Because the shape of the groove 111 is rectangular, the inner ring 2 is therefore circumferentially fixedly connected to the locking component 6 and does not rotate. The measurement process can reflect the actual working conditions, making the measurement results more accurate, thereby achieving the purpose of the test.
[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications of the above assumptions should also be regarded as the protection scope of the present invention.
Claims
1. An external rotation test bench, comprising a frame (1) and a backstop body, wherein the backstop body comprises an outer ring (22) and an inner ring (2), characterized in that: The side wall of the frame (1) is provided with a fixed seat (11) and a rotatable main gear (12); the outer wall of the fixed seat (11) is sleeved with a rotatable chuck (31) and a sub-gear (32); the sub-gear (32) is circumferentially fixedly connected to the chuck (31); the sub-gear (32) is meshingly connected to the main gear (12); the sub-gear (32) is located between the chuck (31) and the frame (1); a motor (4) is provided on the frame (1); the output shaft of the motor (4) is connected to the main gear (12); the chuck (31) is provided with a threaded groove (31) 11), the outer ring (22) is provided with a fixing hole (221); it also includes a connecting bolt (5) passing through the fixing hole (221) and connected to the thread groove (311); the center of the fixing seat (11) is provided with a groove (111); it also includes a locking component (6), one end of the locking component (6) is circumferentially locked with the groove (111), and the other end is circumferentially fixedly connected with the axial hole of the inner ring (2); a stabilizing frame (7) is provided on one side of the frame (1), and a stabilizing component is provided on the stabilizing frame (7), and the stabilizing component is abutted against the center of the other end of the locking component (6).
2. The external rotation test bench according to claim 1, characterized in that: The shape of the groove (111) is rectangular, and a locking block (61) is provided at the end of the locking component (6), and the locking block (61) is adapted to the shape of the groove (111).
3. An external rotation test bench according to claim 1 or 2, characterized in that: The stabilizing frame (7) is provided with a threaded hole (71), the stabilizing component comprises a connecting column (82) and an abutment head (81), the connecting column (82) is provided with an external thread and is connected to the threaded hole (71), and the abutment head abuts against the locking component (6).
4. The external rotation test bench according to claim 3, characterized in that: The abutment head (81) is configured to be conical.
5. The external rotation test bench according to claim 3, characterized in that: One end of the connecting column (82) away from the locking component (6) passes through the threaded hole (71) and is connected to a hand wheel (9).