CN218628945U - Fatigue test equipment for telescopic device - Google Patents
Fatigue test equipment for telescopic device Download PDFInfo
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- CN218628945U CN218628945U CN202223083864.3U CN202223083864U CN218628945U CN 218628945 U CN218628945 U CN 218628945U CN 202223083864 U CN202223083864 U CN 202223083864U CN 218628945 U CN218628945 U CN 218628945U
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Abstract
The utility model discloses a fatigue test equipment for telescoping device belongs to railroad bridge technical field. The method comprises the following steps: the supporting table is provided with a guide assembly; the moving assembly is connected with the guide assembly in a sliding manner, and a first fixing piece for fixing the telescopic device is arranged on the moving assembly; the fixing component is fixedly connected with the supporting table and is provided with a second fixing piece for fixing the telescopic device; the horizontal driving assembly is arranged on the supporting table and connected with the moving assembly to drive the moving assembly to move along the guide assembly. The utility model discloses can assess the hysteresis fatigue performance of telescoping device.
Description
Technical Field
The utility model belongs to the technical field of the railroad bridge, concretely relates to fatigue test equipment for telescoping device.
Background
Structural fatigue of a bridge is caused by repeated action and damage accumulation processes of daily various vehicle loads, most of related technologies only monitor a single state of longitudinal displacement of a beam end expansion device, and no hysteresis and hysteresis fatigue test equipment for the beam end expansion device when a corner of the bridge occurs exists, so that comprehensive evaluation on the current structural state of the beam end expansion device cannot be realized to determine the fatigue strength of the beam end expansion device.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a fatigue test equipment for telescoping device, beam-ends telescoping device's hysteresis, hysteresis fatigue strength when can effectual detection bridge take place the corner.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a fatigue testing apparatus for a telescopic device, comprising:
the supporting table is provided with a guide assembly;
the moving assembly is connected with the guide assembly in a sliding mode, and a first fixing piece used for fixing the telescopic device is arranged on the moving assembly;
the fixing component is fixedly connected with the supporting table, and a second fixing piece for fixing the telescopic device is arranged on the fixing component;
the horizontal driving assembly is arranged on the supporting table and connected with the moving assembly to drive the moving assembly to move along the guide assembly.
Preferably, the number of the guide assemblies is two, and the two guide assemblies are respectively arranged on two sides of the moving assembly.
Preferably, the guide assembly comprises a guide rod and a support plate, the support plate is fixedly connected with the support table, the guide rod is horizontally arranged, one end of the guide rod is connected with the support plate, and the other end of the guide rod is connected with the fixing assembly.
Preferably, the moving assembly comprises a moving plate and a guide block, the guide block is fixedly connected with the moving plate, and a guide hole matched with the guide rod is formed in the guide block.
Preferably, the horizontal driving assembly comprises a rotating motor, an eccentric turntable and a guide handle, the rotating motor is arranged on the supporting table, an output shaft of the rotating motor is connected with the eccentric turntable to drive the eccentric turntable to rotate around a central shaft, a first anchoring part is arranged on the eccentric turntable, one end of the guide handle is rotatably connected with the first anchoring part, and the other end of the guide handle is rotatably connected with the moving assembly.
Preferably, a connecting plate is arranged at the upper end of the moving plate, a second anchoring piece is arranged on the connecting plate, and the guide handle is rotatably connected with the second anchoring piece to drive the moving plate to move along the guide assembly.
Preferably, the first fixing member and the second fixing member have a gap with the support table.
Preferably, the fixing component is provided with a plurality of reinforcing ribs which are uniformly distributed, and the fixing component is fixedly connected with the supporting platform through bolts.
The beneficial effects of the utility model reside in that:
the utility model discloses a brace table supports each mechanism, with the both ends of telescoping device fixed respectively to the first mounting of removal subassembly and the second mounting of fixed subassembly on, drive removal subassembly through the horizontal drive subassembly and move along the direction subassembly to adjust the distance of removal subassembly and fixed subassembly, realize the hysteresis operating mode of sample. Thereby drive the removal subassembly through horizontal drive subassembly and carry out the hysteretic force experiment of telescoping device along direction subassembly reciprocating motion, test equipment can all be tested all kinds of single seam formula railway telescoping device, does not restrict the material or the structure of sample, and this structure is applicable to various hysteretic distances, only needs the size of adjustment structure, the utility model discloses the structure is less, through the test loss that reduces large-scale testing machine, has practiced thrift the resource and has reduced the cost. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an overall schematic view of the present invention;
fig. 2 is a side view of the present invention.
1. A support table; 11. a support plane; 12. supporting legs; 13. a reinforcing bar; 2. a fixing assembly; 21. an L-shaped fixing plate; 22. reinforcing ribs; 23. a second fixing member; 3. a guide assembly; 31. a guide bar; 32. a support plate; 4. a moving assembly; 41. moving the plate; 42. a guide block; 43. a second anchor; 44. a first fixing member; 45. a connecting plate; 5. a horizontal drive assembly; 51. rotating the motor; 52. an eccentric turntable; 53. a guide handle; 54. a first anchor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the accompanying drawings 1-2, the utility model discloses a fatigue test equipment for telescoping device, include:
the supporting platform 1 is provided with a guide assembly 3; the supporting table 1 is preferably provided with a supporting plane 11, the supporting plane 11 is provided with four uniformly distributed supporting legs 12, and each supporting leg 12 is provided with two reinforcing rods 13 fixedly connected with the supporting plane 11 so as to improve the stability of the supporting table 1.
The moving assembly 4 is connected with the guide assembly 3 in a sliding mode, and a first fixing piece 44 for fixing the telescopic device is arranged on the moving assembly 4; guide component 3 is used for the restriction to remove the displacement direction of subassembly 4 for remove subassembly 4 and can follow guide component 3 horizontal migration, thereby prevent to cause extra shearing force to the telescoping device and influence fatigue strength's experimental effect.
The fixing component 2 is fixedly connected with the support table 1, and a second fixing piece 23 for fixing the telescopic device is arranged on the fixing component 2; the fixing assembly 2 is preferably an L-shaped fixing plate 21, and the L-shaped fixing plate 21 is fixedly connected with the support table 1 through bolts.
The horizontal driving assembly 5 is arranged on the supporting table 1, and the horizontal driving assembly 5 is connected with the moving assembly 4 to drive the moving assembly 4 to move along the guide assembly 3; the horizontal driving assembly 5 provides a driving force to the moving assembly 4 so that the moving assembly 4 can perform a reciprocating motion along the guide assembly 3.
The two ends of the telescopic device are respectively fixed on the first fixing piece 44 of the moving component 4 and the second fixing piece 23 of the fixing component 2, the moving component 4 is driven to move along the guide component 3 through the horizontal driving component 5, so that the distance between the moving component 4 and the fixing component 2 is adjusted, and the hysteresis working condition inspection of a sample is realized.
In this embodiment, preferably, two guiding assemblies 3 are provided, and two guiding assemblies 3 are respectively provided at two sides of the moving assembly 4; the provision of two guide assemblies 3 prevents the movement assembly 4 from tilting and thereby affecting the experimental data.
In this embodiment, preferably, the guiding assembly 3 includes a guide rod 31 and a supporting plate 32, the supporting plate 32 is fixedly connected with the supporting table 1, the guide rod 31 is horizontally disposed, one end of the guide rod 31 is connected with the supporting plate 32, and the other end of the guide rod 31 is connected with the fixing assembly 2; preferably, the guide rod 31 is horizontally disposed, and the support plate 32 enables the guide rod 31 to have a gap with the support platform 1, so that the moving assembly 4 slidably connected with the guide rod 31 has a gap with the support platform 1, thereby preventing the telescoping device from contacting with the support platform 1 and providing sufficient experimental space for the telescoping device.
In this embodiment, preferably, the moving assembly 4 includes a moving plate 41 and a guide block 42, the guide block 42 is fixedly connected to the moving plate 41, and a guide hole matched with the guide rod 31 is formed in the guide block 42; preferably, a guide block 42 is provided at each end of the moving plate 41, and a guide hole of the guide block 42 is engaged with the guide bar 31 to control the displacement direction of the moving plate 41.
In this embodiment, preferably, the horizontal driving assembly 5 includes a rotating motor 51, an eccentric turntable 52 and a guide handle 53, the rotating motor 51 is disposed on the support table 1, an output shaft of the rotating motor 51 is connected to the eccentric turntable 52 to drive the eccentric turntable 52 to rotate around a central shaft, a first anchoring member 54 is disposed on the eccentric turntable 52, one end of the guide handle 53 is rotatably connected to the first anchoring member 54, and the other end of the guide handle 53 is rotatably connected to the moving assembly 4; the rotating motor 51 drives the eccentric rotary disc 52 to rotate along the central shaft, and the guide handle 53 converts the rotation of the eccentric rotary disc 52 into the reciprocating motion of the moving plate 41 under the limitation of the guide rod 31, so that the rapid test of the fatigue strength is realized.
In this embodiment, it is preferable that the moving plate 41 is provided at an upper end thereof with a connecting plate, the connecting plate is provided with a second anchor 43, and the guide handle 53 is rotatably connected to the second anchor 43 to drive the moving plate 41 to move along the guide assembly 3.
In this embodiment, it is preferable that the first fixing member 44 and the second fixing member 23 have a gap with the supporting platform 1 to prevent the telescoping device from contacting the supporting platform 1, so as to provide sufficient experimental space for the telescoping device.
In this embodiment, preferably, the fixing assembly 2 is provided with a plurality of reinforcing ribs 22 uniformly distributed, and the fixing assembly 2 is fixedly connected with the support table 1 through bolts; the strength of the L-shaped fixing plate 21 can be further improved by the reinforcing ribs 22 to improve the stability of the fixing assembly 2.
The utility model discloses convert eccentric carousel 52's revolving force into experimental hysteresis power, be applicable to various hysteresis distances, the maximum limit that the size that only needs the size of adjustment structure can the adjustment distance, test device all can test all kinds of single seam formula railway telescoping device, need not the material or the structure of restriction sample, and the practicality is stronger, the utility model discloses the structure is less, compares in large-scale testing machine's test loss, has practiced thrift the resource and has reduced the cost, can be according to eccentric carousel 52's rotational speed adjustment test speed, and speed is convenient for control more, and test period is lower.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A fatigue testing apparatus for a telescopic device, comprising:
the supporting table is provided with a guide assembly;
the moving assembly is connected with the guide assembly in a sliding mode, and a first fixing piece used for fixing the telescopic device is arranged on the moving assembly;
the fixing component is fixedly connected with the supporting table, and a second fixing piece for fixing the telescopic device is arranged on the fixing component;
the horizontal driving assembly is arranged on the supporting table and connected with the moving assembly to drive the moving assembly to move along the guide assembly.
2. The fatigue testing apparatus for the telescopic device according to claim 1, wherein there are two guide assemblies, and the two guide assemblies are respectively disposed at both sides of the moving assembly.
3. The fatigue test equipment for the telescopic device according to claim 1, wherein the guide assembly comprises a guide rod and a support plate, the support plate is fixedly connected with the support table, the guide rod is horizontally arranged, one end of the guide rod is connected with the support plate, and the other end of the guide rod is connected with the fixing assembly.
4. The fatigue test equipment for the telescopic device according to claim 3, wherein the moving assembly comprises a moving plate and a guide block, the guide block is fixedly connected with the moving plate, and a guide hole matched with the guide rod is formed in the guide block.
5. The fatigue testing equipment for the telescopic device according to claim 4, wherein the horizontal driving assembly comprises a rotating motor, an eccentric turntable and a guide handle, the rotating motor is arranged on the supporting table, an output shaft of the rotating motor is connected with the eccentric turntable to drive the eccentric turntable to rotate around a central shaft, a first anchoring part is arranged on the eccentric turntable, one end of the guide handle is rotatably connected with the first anchoring part, and the other end of the guide handle is rotatably connected with the moving assembly.
6. The fatigue test equipment for the telescopic device as claimed in claim 5, wherein a connecting plate is arranged at the upper end of the moving plate, a second anchoring piece is arranged on the connecting plate, and the guide handle is rotatably connected with the second anchoring piece to drive the moving plate to move along the guide assembly.
7. A fatigue testing apparatus for a telescopic device according to claim 1, wherein said first fixing member and said second fixing member each have a clearance from said support table.
8. The fatigue testing apparatus for the telescopic device as claimed in claim 1, wherein the fixing assembly is provided with a plurality of reinforcing ribs uniformly distributed, and the fixing assembly is fixedly connected with the supporting platform through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223083864.3U CN218628945U (en) | 2022-11-21 | 2022-11-21 | Fatigue test equipment for telescopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223083864.3U CN218628945U (en) | 2022-11-21 | 2022-11-21 | Fatigue test equipment for telescopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218628945U true CN218628945U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223083864.3U Active CN218628945U (en) | 2022-11-21 | 2022-11-21 | Fatigue test equipment for telescopic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218628945U (en) |
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2022
- 2022-11-21 CN CN202223083864.3U patent/CN218628945U/en active Active
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