CN211784224U - Tension test platform for constant-tension vortex spring compensation device - Google Patents
Tension test platform for constant-tension vortex spring compensation device Download PDFInfo
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- CN211784224U CN211784224U CN202020090417.2U CN202020090417U CN211784224U CN 211784224 U CN211784224 U CN 211784224U CN 202020090417 U CN202020090417 U CN 202020090417U CN 211784224 U CN211784224 U CN 211784224U
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Abstract
The utility model discloses a tension test platform of a constant tension vortex spring compensation device, which comprises a main frame; a transverse slide rail is arranged inside the upper end of the main frame, a movable trolley is arranged in the slide rail, two sides of the movable trolley are matched with the slide rail, the lower surface of the movable trolley is connected with a plurality of linear bearings, the linear bearings are connected on the linear guide rails in a sliding manner, and two ends of the linear guide rails are connected with the inner wall of the main frame; the output tension of the vortex spring compensation device and whether the output tension can be kept stable or not can be rapidly measured through the movable trolley.
Description
Technical Field
The utility model relates to a permanent tension vortex spring compensation arrangement tension test platform.
Background
With the rapid development of railway industry in China, the construction of high-speed railways, intercity railways and electrified railways and the electrification transformation of existing lines, the type of locomotives is changed into novel locomotives such as electric locomotives and motor cars, the locomotive needs to maintain power supply operation by keeping contact between an electric pantograph and a contact line, and in order to prevent the contact line from being too large in elastic deformation longitudinally or transversely to cause the electric pantograph to be off-line and stop the locomotive, an elastic compensation device capable of keeping constant tension is needed to be connected with a catenary, the contact line or a flexible span.
The common constant-tension elastic compensation device is a volute spring compensation device, after the assembly of the volute spring compensation device is completed, tension testing is required, and only the volute spring compensation device with tension output stabilized within a certain range can be delivered to a factory for use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art, providing a tension test platform for a constant tension vortex spring compensation device.
A tension test platform of a constant-tension vortex spring compensation device comprises a main frame; a transverse slide rail is arranged inside the upper end of the main frame, a movable trolley is arranged in the slide rail, two sides of the movable trolley are matched with the slide rail, the lower surface of the movable trolley is connected with a plurality of linear bearings, the linear bearings are connected on the linear guide rails in a sliding manner, and two ends of the linear guide rails are connected with the inner wall of the main frame;
the upper surface of travelling car is equipped with middle support frame, middle support frame on be equipped with the connecting rod, wear to establish in the waist hole on middle support frame surface at the middle part of connecting rod, the right-hand member of connecting rod links to each other with the pulley, the outer lane cover of pulley is equipped with the stay cord, and the left end of connecting rod passes through the rotation axis and links to each other with the one end of tensile tester, the other end and the draw gear of tensile tester link to each other, and the main part of tensile tester passes through the mounting bracket and links to each other with the upper surface of travelling car, and the main part of tensile tester parallels with the upper surface of.
Preferably, the number of the linear bearings is two.
Preferably, the surface of the movable trolley is provided with two parallel trapezoidal reinforcing plates, and the two trapezoidal reinforcing plates are connected through a reinforcing rod.
Preferably, the traction device comprises a servo motor and a screw rod, one end of the screw rod is connected with the tension tester, and the other end of the screw rod is connected with a rotating shaft of the servo motor.
Preferably, the traction device comprises a motor, a take-up pulley and a cable, wherein one end of the cable is connected with the tension tester, the other end of the cable is wound on the take-up pulley, and the take-up pulley is connected with a rotating shaft of the motor.
Has the advantages that:
the situation of the scroll spring compensation device during use is simulated by sleeving the pull rope on the pulley, the tension of the scroll spring compensation device is measured just like a cable to be compensated, and the output tension of the scroll spring compensation device is measured by driving of the traction device, so that the magnitude of the main measurement tension and whether the output tension is stable or not are measured.
When measuring, in order to adapt to the volute spring compensation device under different operating conditions, the end part of the tension tester in the device is connected with the connecting rod through the rotating shaft, so that the output tension of the volute spring compensation device under different angles can be simulated and measured during measurement, and the tension tester can not deflect, thereby influencing the measured value.
Drawings
FIG. 1 is a schematic structural diagram of a tension testing platform of a constant-tension vortex spring compensation device;
FIG. 2 is a front view of a tension testing platform of a constant tension vortex spring compensation device;
FIG. 3 is a schematic view of the internal structure of a tension testing platform of a constant tension vortex spring compensation device;
1. the main frame 2, the movable trolley 3, the pull rope 4, the tension tester 5, the rotating shaft 6, the middle support frame 7, the traction device 8, the linear guide rail 9 and the linear bearing.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
As shown in fig. 1-3, a tension testing platform for a constant-tension vortex spring compensation device comprises a main frame 1; the inner part of the upper end of the main frame 1 is provided with a transverse slide rail, the slide rail is internally provided with a movable trolley 2, two sides of the movable trolley 2 are matched with the slide rail, the lower surface of the movable trolley 2 is connected with two linear bearings 9, the linear bearings 9 are connected on the linear guide rails 8 in a sliding manner, and two ends of the linear guide rails 8 are connected with the inner wall of the main frame 1.
The upper surface of activity dolly is equipped with middle support frame 6, middle support frame 6 on be equipped with the connecting rod, wear to establish in the waist hole on middle support frame 6 surface at the middle part of connecting rod, the right-hand member of connecting rod links to each other with the pulley, the outer lane cover of pulley is equipped with stay cord 3, and the left end of connecting rod passes through rotation axis 5 and links to each other with the one end of tensile tester 4, the other end of tensile tester 4 links to each other with draw gear 7, and the main part of tensile tester 4 passes through the mounting bracket and links to each other with the upper surface of activity dolly, and the main part of tensile tester 4 parallels with the upper surface of activity dolly.
The surface of the movable trolley 2 is provided with two parallel trapezoidal reinforcing plates, and the two trapezoidal reinforcing plates are connected through a reinforcing rod.
Traction device 7 include servo motor and lead screw, the one end of lead screw links to each other with the tensile tester, the other end of lead screw links to each other with servo motor's pivot.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A tension test platform of a constant-tension vortex spring compensation device is characterized by comprising a main frame; a transverse slide rail is arranged inside the upper end of the main frame, a movable trolley is arranged in the slide rail, two sides of the movable trolley are matched with the slide rail, the lower surface of the movable trolley is connected with a plurality of linear bearings, the linear bearings are connected on the linear guide rails in a sliding manner, and two ends of the linear guide rails are connected with the inner wall of the main frame;
the upper surface of travelling car is equipped with middle support frame, middle support frame on be equipped with the connecting rod, wear to establish in the waist hole on middle support frame surface at the middle part of connecting rod, the right-hand member of connecting rod links to each other with the pulley, the outer lane cover of pulley is equipped with the stay cord, and the left end of connecting rod passes through the rotation axis and links to each other with the one end of tensile tester, the other end and the draw gear of tensile tester link to each other, and the main part of tensile tester passes through the mounting bracket and links to each other with the upper surface of travelling car, and the main part of tensile tester parallels with the upper surface of.
2. A constant tension volute spring compensation device tension test platform as claimed in claim 1, wherein the number of linear bearings is two.
3. The tension test platform for the constant-tension vortex spring compensation device according to claim 1, wherein the surface of the movable trolley is provided with two parallel trapezoidal reinforcing plates, and the two trapezoidal reinforcing plates are connected through a reinforcing rod.
4. The tension test platform for the constant-tension vortex spring compensation device according to claim 1, wherein the traction device comprises a servo motor and a screw rod, one end of the screw rod is connected with the tension tester, and the other end of the screw rod is connected with a rotating shaft of the servo motor.
5. The constant-tension volute spring compensation device tension test platform as claimed in claim 1, wherein the traction device comprises a motor, a take-up pulley and a cable, one end of the cable is connected with the tension tester, the other end of the cable is wound on the take-up pulley, and the take-up pulley is connected with a rotating shaft of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020090417.2U CN211784224U (en) | 2020-01-16 | 2020-01-16 | Tension test platform for constant-tension vortex spring compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020090417.2U CN211784224U (en) | 2020-01-16 | 2020-01-16 | Tension test platform for constant-tension vortex spring compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211784224U true CN211784224U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020090417.2U Active CN211784224U (en) | 2020-01-16 | 2020-01-16 | Tension test platform for constant-tension vortex spring compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211784224U (en) |
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2020
- 2020-01-16 CN CN202020090417.2U patent/CN211784224U/en active Active
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