A horizontal twisting device
By using horizontal torsion device and heavy gear rack hydraulic swing bar in a large torque torsion test machine, combined with support lifting and measuring mechanism, the problems of complex assembly, large safety hazards and inaccurate measurements are solved, and high-precision torsion tests are achieved.
Patent Information
- Application Number
- CN202420711136.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-04-08
AI Technical Summary
Due to the large transmission torsion parts of the traditional large torque test machine, the equipment frame needs to be enlarged, the assembly is complicated, safety hazards, and the mechanical clearance is large, and the measurement accuracy and accuracy are not high.
The horizontal torsion device is adopted torsion transmission through heavy gear rack and rack hydraulic swing bars, combined with the support lifting mechanism and the measuring mechanism, to improve the test accuracy, simplify the frame structure, and reduce safety hazards.
It improves the test accuracy, simplifies the device structure, reduces assembly complexity and safety risks, and ensures the accuracy and reliability of test results.
Smart Images

Figure CN222733996U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of testing devices, and relates to a large-scale torsion device, and specifically to a horizontal torsion device. Background Art
[0002] The torsion method of the large torque torsion testing machine has always adopted the traditional method of combining oil cylinder, mechanical arm, sprocket, swing arm and output shaft. Since the required transmission torsion parts are large, the overall equipment frame needs to be enlarged to fix the transmission parts, so the required production process is cumbersome and the assembly is troublesome. The exposed transmission sprocket poses a safety hazard. The back and forth twisting needs to pass through the zero point, and too many mechanical parts increase the mechanical clearance, and the measurement accuracy and precision cannot be improved, resulting in inaccurate test results and precision. Utility Model Content
[0003] The present application proposes a horizontal torsion device, which performs torsion transmission through a heavy-duty gear rack hydraulic swing bar, which can improve the test accuracy and better solve the problems of the transmission part frame being too large, inconvenient to install, and potential safety hazards.
[0004] The twisting device comprises:
[0005] A workbench, the workbench is arranged along the horizontal axis direction, and is used to improve the bottom stability of the torsion device during operation;
[0006] A support lifting mechanism, comprising a lifting assembly and a lifting assembly, wherein the lifting assembly and the lifting assembly are arranged on the upper surface of the workbench, and the lifting assembly comprises a guide rail and a lifting member;
[0007] The swing mechanism comprises a swing assembly, a square connection piece, a movable shaft seat, a push-pull oil cylinder, and a T-slot, wherein the square connection piece is connected to the swing assembly, the T-slot is arranged on the other end of the upper surface of the workbench, the movable shaft seat is arranged on the T-slot, and the push-pull oil cylinder is connected to the movable shaft seat;
[0008] The measuring mechanism includes a displacement sensor and an angle sensor. The displacement sensor is arranged on the other side of the swing bar to measure the displacement of axial contraction, and the angle sensor is arranged on one side of the square connecting member to measure the torsion angle.
[0009] Optionally, a first reinforcement member and a second reinforcement member are arranged on both sides of the workbench along the longitudinal axis direction, and the first reinforcement member and the second reinforcement member are symmetrically arranged.
[0010] Optionally, the lifting assembly includes a fixing member and a first roller, wherein the fixing member is disposed below the square connecting member and connected to the workbench; and the roller is disposed above the fixing member and connected to the fixing member.
[0011] Optionally, the guide rail is a linear guide rail.
[0012] Optionally, the lifting member includes a second roller, a sliding seat, a groove, and a lifting cylinder. The sliding seat is arranged on the surface of the guide rail, the second roller is arranged above the sliding seat and connected to the sliding seat, the groove is arranged below the guide rail, and the lifting cylinder is arranged in the groove and connected to the sliding seat.
[0013] Optionally, the swing assembly includes a swing lever, a swing cylinder, a gear, and a rack. The swing lever is arranged at one end of the upper surface of the workbench, and the swing cylinder is arranged on both sides of the swing lever.
[0014] Optionally, the number of the swing cylinders is 2 or more.
[0015] Optionally, a gear shaft is coaxially connected to the gear, and the gear shaft is rotatably connected to the inside of the swing lever through a bearing. The rack is located on one side of the gear and meshes with the gear. The rack is connected to the swing lever in a straight line sliding manner perpendicular to the axial direction of the gear, and both ends of the rack are sealed to the inner wall of the swing lever.
[0016] Optionally, a display is provided on the displacement sensor and the angle sensor.
[0017] Optionally, the device further comprises a flange connection for mounting the sample.
[0018] The beneficial effects of this application include but are not limited to:
[0019] 1. The horizontal torsion device provided by the utility model is used to support the specimen bent due to its own weight by setting a support lifting mechanism. For the overweight specimen, the output shaft part of the swing bar adopts a lifting assembly to lift it. Both the lifting assembly and the lifting assembly adopt roller contact to rotate according to the torsion of the specimen, which will not affect the accuracy and precision of the final test data;
[0020] 2. The horizontal torsion device provided by the utility model adopts a heavy-duty gear rack hydraulic swing lever to load the torsion, thereby eliminating the potential safety hazard of the transmission part and making the measurement more accurate;
[0021] 3. The horizontal torsion device provided by the utility model is provided with a measuring mechanism, and a displacement sensor is used to measure the displacement of the axial contraction of the sample during torsion. The angle sensor is connected through a swing bar, and a certain mechanical gap can be eliminated when the swing bar needs to pass through the zero point during torsion back and forth, so as to achieve higher accuracy;
[0022] 4. The horizontal torsion device provided by the utility model can be adjusted by pushing and pulling the oil cylinder and moving the shaft seat in the face of different torsion angles, one-way torsion, back and forth torsion, and sample lengths. At the same time, it can also ensure the test measurement accuracy, greatly reducing the number of processed parts, the cumbersomeness of processing and safety performance;
[0023] 5. The horizontal twisting device provided by the utility model has a reasonable structure, a simple frame structure of the entire device, and is more stable as a whole. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:
[0025] Figure 1 This is a schematic diagram of the overall structure of the horizontal torsion device involved in the embodiment of the present application;
[0026] Figure 2 It is a front view of the horizontal torsion device involved in an embodiment of the present application.
[0027] List of parts and reference numerals:
[0028] 10-working table, 11-first reinforcing member, 12-second reinforcing member;
[0029] 21-lifting assembly, 211-fixing member, 212-first roller, 22-lifting assembly, 221-linear guide rail, 2221-second roller, 2222-sliding seat, 2223-groove, 2224-lifting cylinder;
[0030] 31-swing assembly, 311-swing lever, 312-swing cylinder, 32-square connector, 33-movable shaft seat, 34-push-pull cylinder, 35-T-slot;
[0031] 41-displacement sensor, 42-angle sensor;
[0032] 51-torsion flange connector, 52-fixed flange connector;
[0033] 60-Test specimen. DETAILED DESCRIPTION
[0034] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.
[0035] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0036] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.
[0037] In addition, in the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing 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 present application.
[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0039] In this application, unless otherwise clearly specified and limited, the terms "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, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0040] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.
[0041] refer to Figure 1-2 , an embodiment of the present application discloses a horizontal torsion device, the torsion device comprising:
[0042] The workbench 10 is arranged along the horizontal axis direction to improve the bottom stability during the operation of the torsion device. The first reinforcement member 11 and the second reinforcement member 12 are arranged along the longitudinal axis direction on both sides of the workbench 10, and the first reinforcement member 11 and the second reinforcement member 12 are symmetrically arranged to further improve the stability of the workbench 10.
[0043] The support lifting mechanism includes a lifting assembly 21 and a lifting assembly 22. The lifting assembly 21 and the lifting assembly 22 are arranged on the upper surface of the workbench 10. For the overweight sample 60, the output shaft part of the swing bar 311 requires a bracket assembly to lift it. The lifting assembly 21 includes a fixing member 211 and a first roller 212. The fixing member 211 is arranged below the square connecting member 32 and is connected to the workbench 10. The first roller 212 is arranged above the fixing member 211 and is connected to the fixing member 211. The connection can be made by welding, riveting, or bolting, but the utility model is not limited thereto. The first roller 212 is in contact with the square connecting member 32, which will not affect the accuracy and precision of the final test data.
[0044] The lifting assembly 22 includes a guide rail and a lifting member. As an embodiment, the guide rail can be a linear guide rail 221. The lifting member includes a second roller 2221, a sliding seat 2222, a groove 2223, and a lifting cylinder 2224. The sliding seat 2222 is arranged on the surface of the guide rail, and the second roller 2221 is arranged above the sliding seat 2222 and connected to the sliding seat 2222. The connection can be made by welding, riveting, or bolting, but the utility model is not limited thereto. The groove 2223 is arranged below the guide rail, and the lifting cylinder 2224 is arranged in the groove 2223. The lifting cylinder 2224 can move the lifting support mechanism to support the sample 60 bent due to its own weight. The second roller 2221 can contact the sample 60 and then rotate with the twisting of the sample 60.
[0045] A supporting lifting mechanism is provided to support the sample 60 bent due to its own weight. For the overweight sample 60, the output shaft portion of the swing bar 311 is lifted by the lifting assembly 21. Both the lifting assembly 21 and the lifting assembly 22 use roller contact to rotate according to the twisting of the sample 60, which will not affect the accuracy and precision of the final test data.
[0046] The swing mechanism includes a swing assembly 31, a square connection member 32, a movable shaft seat 33, a push-pull cylinder 34, and a T-slot 35. The square connection member 32 is connected to the swing assembly 31, the T-slot 35 is arranged at the other end of the upper surface of the workbench 10, the movable shaft seat 33 is arranged on the T-slot 35, and the push-pull cylinder 34 is connected to the movable shaft seat 33. The length of the T-slot 35 can be selected by those skilled in the art according to actual needs. The movable shaft seat 33 can be reciprocated on the T-slot 35 by the action of the push-pull cylinder 34, and can be adjusted according to the different lengths of the specimen 60. In the face of different torsion angles, one-way torsion, back and forth torsion, and the length of the specimen 60, it can be adjusted by the push-pull cylinder 34 and the movable shaft seat 33, and at the same time, the test measurement accuracy can be guaranteed, which greatly reduces the number of workpieces, the cumbersomeness of processing and safety performance.
[0047] The swing assembly 31 includes a swing lever 311, a swing cylinder 312, a gear, and a rack. The swing lever 311 is arranged at one end of the upper surface of the workbench 10, and the swing cylinder 312 is arranged on both sides of the swing lever 311. The number of the swing cylinders 312 is 2 or more. In a specific embodiment, the number of the swing cylinders 312 is 4, which are respectively arranged on both sides of the vertical direction of the swing lever 311 and arranged symmetrically. In an embodiment not shown, a gear shaft is coaxially connected to the gear, and the gear shaft is rotatably connected to the inside of the swing lever 311 through a bearing, and the rack is located on one side of the gear and meshes with the gear. The rack is perpendicular to the axial straight line of the gear and is connected to the swing lever 311, and the two ends of the rack are sealed and connected to the inner wall of the swing lever 311. The overall frame of the swing assembly 31 adopts a forged structure, and the swing cylinder 312 drives the internal gear rack to perform a torsion test, and the output part can use internal and external splines and internal and external squares for output.
[0048] By setting up a swing mechanism and using a heavy-duty gear rack hydraulic swing lever 311 to perform torsional loading, the potential safety hazard of the transmission part is eliminated and the measurement is made more accurate.
[0049] The measuring mechanism includes a displacement sensor 41 and an angle sensor 42. The displacement sensor 41 is arranged on the other side of the swing bar 311 to measure the displacement of axial contraction, and the angle sensor 42 is arranged on one side of the square connection member 32 to measure the torsion angle. Displays are arranged on the displacement sensor 41 and the angle sensor 42.
[0050] By setting up a measuring mechanism, a displacement sensor 41 is used to measure the axial contraction displacement of the sample 60 during torsion. The angle sensor 42 is connected via a swing bar 311. The swing bar 311 can eliminate a certain mechanical gap when passing through the zero point during back and forth torsion, thereby achieving higher accuracy.
[0051] The device further comprises a flange connector for mounting the sample 60. In a specific embodiment, the flange connector comprises a torsion flange connector 51 and a fixed flange connector 52. The torsion flange connector 51 is connected to the angle sensor 42, and the fixed flange connector 52 is connected to the movable shaft seat 33.
[0052] The horizontal twisting device provided by the utility model has a reasonable structure, a simple frame structure of the entire device, and is more stable as a whole.
[0053] The specific operation mode of the horizontal twisting device of the utility model is:
[0054] (1) First, fix the swing bar 311 on the surface of the workbench 10, connect the square connector 32 and the angle sensor 42, adjust the movable shaft seat 33 through the push-pull cylinder 34, adjust the experimental space, install the flange connector required for the sample 60, install the torsion gauge on the angle sensor 42, and install the fixed gauge on the movable shaft seat 33 (which can be adjusted and connected according to the size of the pattern), and adjust the intermediate lifting assembly 22 through the bottom linear guide 221 and the lifting cylinder 2224.
[0055] (2) After the specimen 60 is hoisted, it is placed in the test equipment and the movable shaft seat 33 is adjusted by the push-pull cylinder 34. The swing lever 311 is twisted by the swing cylinder 312. The holes are aligned to connect the specimen 60. After the specimen 60 is connected, the intermediate lifting assembly 22 is adjusted by the linear guide 221 and the lifting cylinder 2224 to ensure the center of the specimen 60 to prevent the bending of the specimen 60 from affecting the final test data. After the specimen 60 is connected, all the connection dimensions are checked to ensure that the connection is correct. The hoisting equipment is removed and irrelevant personnel are evacuated. After ensuring the safety of the test personnel, the test can be started.
[0056] (3) The starting device performs a torsion test by means of the swing lever 311 , the angle sensor 42 performs angle monitoring, and the displacement sensor 41 performs displacement monitoring.
[0057] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims
1. A horizontal twisting device, characterized in that: The twisting device comprises: A workbench, the workbench is arranged along the horizontal axis direction, and is used to improve the bottom stability of the torsion device during operation; A support lifting mechanism, comprising a lifting assembly and a lifting assembly, wherein the lifting assembly and the lifting assembly are arranged on the upper surface of the workbench, and the lifting assembly comprises a guide rail and a lifting member; The swing mechanism comprises a swing assembly, a square connection piece, a movable shaft seat, a push-pull oil cylinder, and a T-slot, wherein the square connection piece is connected to the swing assembly, the T-slot is arranged on the other end of the upper surface of the workbench, the movable shaft seat is arranged on the T-slot, and the push-pull oil cylinder is connected to the movable shaft seat; the swing assembly comprises a swing lever, a swing oil cylinder, a gear, and a rack; The measuring mechanism includes a displacement sensor and an angle sensor. The displacement sensor is arranged on the other side of the swing bar to measure the displacement of axial contraction, and the angle sensor is arranged on one side of the square connecting member to measure the torsion angle.
2. The horizontal twisting device according to claim 1, characterized in that: A first reinforcement member and a second reinforcement member are arranged on both sides of the workbench along the longitudinal axis direction, and the first reinforcement member and the second reinforcement member are symmetrically arranged.
3. The horizontal twisting device according to claim 1, characterized in that: The lifting assembly includes a fixing member and a first roller. The fixing member is arranged below the square connecting member and connected to the workbench; the roller is arranged above the fixing member and connected to the fixing member.
4. The horizontal twisting device according to claim 1, characterized in that: The guide rail is a linear guide rail.
5. The horizontal twisting device according to claim 1, characterized in that: The lifting member includes a second roller, a sliding seat, a groove, and a lifting cylinder. The sliding seat is arranged on the surface of the guide rail, the second roller is arranged above the sliding seat and connected to the sliding seat, the groove is arranged below the guide rail, and the lifting cylinder is arranged in the groove and connected to the sliding seat.
6. The horizontal twisting device according to claim 1, characterized in that: The swing lever is arranged at one end of the upper surface of the workbench, and the swing cylinder is arranged at both sides of the swing lever.
7. The horizontal twisting device according to claim 1, characterized in that: The number of the swing cylinders is 2 or more.
8. The horizontal twisting device according to claim 1, characterized in that: A gear shaft is coaxially connected to the gear, and the gear shaft is rotatably connected to the inside of the swing lever through a bearing. The rack is located on one side of the gear and meshes with the gear. The rack is connected to the swing lever in a straight line sliding manner perpendicular to the axial direction of the gear, and both ends of the rack are sealed to the inner wall of the swing lever.
9. The horizontal twisting device according to claim 1, characterized in that: The displacement sensor and the angle sensor are provided with a display.
10. The horizontal twisting device according to claim 1, characterized in that: The torsion device also includes a flange connection for mounting the sample.