CN219715063U - Fatigue test device for height-adjustable rail fastener - Google Patents
Fatigue test device for height-adjustable rail fastener Download PDFInfo
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- CN219715063U CN219715063U CN202320800625.0U CN202320800625U CN219715063U CN 219715063 U CN219715063 U CN 219715063U CN 202320800625 U CN202320800625 U CN 202320800625U CN 219715063 U CN219715063 U CN 219715063U
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 32
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 3
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a fatigue test device for a track fastener with adjustable height. This height-adjustable's track fastener fatigue test device, including the workstation, the top fixed mounting of workstation has two curb plates, two the top fixed mounting of curb plate has the roof, the top of workstation is provided with the fly leaf, the top of fly leaf is provided with test assembly, the left and right sides of fly leaf is provided with adjusting part, adjusting part includes fixed mounting at the motor at roof top, the inner wall fixed mounting of fly leaf has thread bush and sliding sleeve, the output fixed mounting of motor has one end to run through the roof and rotate the lead screw of being connected with the top of workstation, the thread bush is located the surface of lead screw and with lead screw threaded connection. This highly adjustable track fastener fatigue test device, whether conveniently observe the bullet strip surface and have little crack, and can not exert an influence to fatigue test, improved this novel practicality greatly.
Description
Technical Field
The utility model relates to the technical field of fastener fatigue tests, in particular to a height-adjustable rail fastener fatigue test device.
Background
Along with the comprehensive development of high-speed railways, heavy railways and passenger and cargo collinear railways in China, a national eight-transverse eight-longitudinal high-speed railway network is gradually formed, a middle-south coal conveying channel and a Meng Hua coal conveying channel are also sequentially opened, and a railway trunk line covers various typical climate types such as northeast cold regions, northwest arid regions, southwest high ultraviolet regions, southwest high coastal high-temperature and high-humidity regions and the like in China and simultaneously meets various axle weight requirements of trunks such as passenger special lines, passenger and cargo mixed transportation and coal transportation special lines and the like.
Chinese patent CN207556837U discloses a railway bullet strip fatigue test device, including base, pressure head, mould and bullet strip, still include two at least support columns, wherein two the support column fixed connection is in the base, the bullet strip is located on the support column, open flutedly in the mould bottom, the mould is connected on the base, the both ends of bullet strip support press respectively in the recess with the pressure head.
Through comparing the novel, the inventor considers that the defects exist, when the novel fatigue test is carried out, the elastic strip is difficult to observe when the position of the base is too low, so that the elastic strip is difficult to directly observe when tiny cracks appear on the surface of the elastic strip, the elastic strip is difficult to detect when tiny cracks are too small, the buckling pressure born by a steel rail is reduced after the elastic strip cracks are more and more caused to break and fail, and the stability and the safety of train operation can be endangered when serious, so that the novel structure is proposed to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a fatigue test device for a track fastener with adjustable height, which has the advantages of adjustable height and the like, and solves the problems that when a fatigue test is carried out, when the position of a base is too low, a spring strip is difficult to observe, so that tiny cracks are difficult to directly observe when the surface of the spring strip is provided, when the tiny cracks are too small, the detection is difficult, when the spring strip cracks are more and more to cause the breaking failure of the spring strip, the buckling pressure born by a steel rail is reduced, and the stability and the safety of train operation can be endangered when the fatigue test is serious.
In order to achieve the purpose of adjusting the height, the utility model provides the following technical scheme: the utility model provides a high adjustable track fastener fatigue test device, includes the workstation, the top fixed mounting of workstation has two curb plates, two the top fixed mounting of curb plate has the roof, the top of workstation is provided with the fly leaf, the top of fly leaf is provided with test assembly, the left and right sides of fly leaf is provided with adjusting part, adjusting part includes fixed mounting at the motor at roof top, the inner wall fixed mounting of fly leaf has thread bush and sliding sleeve, the output fixed mounting of motor has one end to run through the roof and rotate the lead screw of being connected with the top of workstation, the thread bush is located the surface of lead screw and with lead screw threaded connection, just be located the right side fixed mounting of lead screw between roof and the workstation has the slide bar, the sliding sleeve is located the surface of slide bar and with slide bar sliding connection.
Further, two mounting openings are formed in the surface of the movable plate, the threaded sleeve and the sliding sleeve are respectively and fixedly mounted on the inner walls of the two mounting openings, and the threaded sleeve is located on the left side of the sliding sleeve.
Further, two opposite sides of the side plates are provided with sliding grooves, and the left side and the right side of the movable plate are fixedly provided with sliding blocks, one ends of which extend into the corresponding sliding grooves.
Further, the test assembly includes the board of placing of fixed mounting at fly leaf top, the top fixed mounting of placing the board has the support bar, the left side fixed mounting of placing the board has the baffle, the right side of baffle just is located the top fixed mounting of placing the board and has the fixed plate, the bottom fixed mounting of fixed plate has electric putter, the output fixed mounting of electric putter has the layering, the top of roof just is located the right side fixed mounting of motor has the pneumatic cylinder, the output of pneumatic cylinder runs through and extends to the below of roof, the output fixed mounting of pneumatic cylinder has the briquetting.
Further, the output end of the electric push rod is fixedly provided with a first connecting plate, the first connecting plate is fixed with the pressing strip through a first bolt, and the pressing strip is fixedly arranged at the output end of the electric push rod through the first connecting plate and the first bolt.
Further, the output end of the hydraulic cylinder is fixedly provided with a second connecting plate, the top of the pressing block is fixedly provided with a third connecting plate, the third connecting plate is fixed with the second connecting plate through a second bolt, and the pressing block is fixedly arranged at the output end of the hydraulic cylinder through the third connecting plate, the second connecting plate and the second bolt.
Further, the limiting grooves are formed in the bottoms of the pressing blocks and the pressing strips, the top of the top plate is fixedly provided with a mounting cover which is positioned on the left side of the hydraulic cylinder, the motor is fixedly arranged on the inner top wall of the mounting cover, and the motor is fixedly arranged on the top of the top plate through the mounting cover.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
1. this highly adjustable's track fastener fatigue test device, through the adjusting part who sets up, the starter motor drives the lead screw and rotates to make the thread bush drive the fly leaf and reciprocate, and place the board and fix at the top of fly leaf, make this novel highly can be adjusted that can make the bullet strip from this, whether conveniently observe bullet strip surface has little crack, and can not influence fatigue test, improved this novel practicality greatly.
2. This height-adjustable's track fastener fatigue test device, through first connecting plate, first bolt, second connecting plate, third connecting plate and the second bolt that set up, be convenient for dismantle briquetting and layering and maintain or change, further improved this novel practicality.
Drawings
FIG. 1 is a front cross-sectional view of the present utility model;
FIG. 2 is a schematic view of the mounting port and threaded sleeve of the present utility model;
FIG. 3 is an enlarged view of the utility model at A in FIG. 1;
fig. 4 is a schematic view of a second connecting plate, a third connecting plate, a second bolt, a pressing block and a limiting groove according to the utility model.
In the figure: 1. a work table; 2. a side plate; 3. a top plate; 4. a movable plate; 5. a thread sleeve; 6. a sliding sleeve; 7. a slide bar; 8. a motor; 9. a screw rod; 10. a slide block; 11. a chute; 12. a mounting cover; 13. a hydraulic cylinder; 14. placing a plate; 15. a baffle; 16. a fixing plate; 17. an electric push rod; 18. a first bolt; 19. a first connection plate; 20. pressing strips; 21. a limit groove; 22. a second connecting plate; 23. a third connecting plate; 24. a second bolt; 25. briquetting; 26. a mounting port; 27. and (5) supporting bars.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the fatigue test device for a height-adjustable rail fastener in this embodiment includes a workbench 1, two side plates 2 are fixedly mounted on top of the workbench 1, a top plate 3 is fixedly mounted on top of the two side plates 2, and a movable plate 4 is disposed on top of the workbench 1.
A test assembly is arranged at the top of the movable plate 4 and is used for carrying out fatigue test on the elastic strip.
The left side and the right side of the movable plate 4 are provided with adjusting components for enabling the height of the elastic strip during fatigue test to be adjustable, and the elastic strip can be observed conveniently.
Embodiment one: referring to fig. 1 and 2, the adjusting assembly includes a motor 8 fixedly mounted at the top of the top plate 3, a threaded sleeve 5 and a sliding sleeve 6 are fixedly mounted on the inner wall of the movable plate 4, a screw rod 9 with one end penetrating the top plate 3 and rotationally connected with the top of the workbench 1 is fixedly mounted at the output end of the motor 8, the threaded sleeve 5 is located on the surface of the screw rod 9 and in threaded connection with the screw rod 9, a sliding rod 7 is fixedly mounted between the top plate 3 and the workbench 1 and on the right side of the screw rod 9, and the sliding sleeve 6 is located on the surface of the sliding rod 7 and in sliding connection with the sliding rod 7.
Through the adjusting part who sets up, starter motor 8 drives lead screw 9 rotation to make thread bush 5 drive fly leaf 4 and reciprocate, and place board 14 and fix at the top of fly leaf 4, make this novel highly can adjust that can make the bullet strip from this, thereby make this novel whether conveniently observe bullet strip surface has little crack in fatigue test, and can not influence fatigue test, improved this novel practicality greatly.
Wherein, through slide bar 7 and sliding sleeve 6 that set up for improve the stability when fly leaf 4 moves.
Referring to fig. 2, in the present embodiment, two mounting openings 26 are formed on the surface of the movable plate 4, the threaded sleeve 5 and the sliding sleeve 6 are respectively and fixedly mounted on the inner walls of the two mounting openings 26, and the threaded sleeve 5 is located on the left side of the sliding sleeve 6.
In this embodiment, the opposite sides of the two side plates 2 are provided with sliding grooves 11, and the left and right sides of the movable plate 4 are fixedly provided with sliding blocks 10 with one ends extending into the corresponding sliding grooves 11.
Through the slider 10 and the chute 11 that set up for fly leaf 4 is more smooth and easy when removing, has further improved the stability when fly leaf 4 removes simultaneously.
Referring to fig. 3, in this embodiment, the test assembly includes a placement plate 14 fixedly mounted on top of the movable plate 4, a support bar 27 is fixedly mounted on top of the placement plate 14, a baffle 15 is fixedly mounted on left side of the placement plate 14, a fixing plate 16 is fixedly mounted on right side of the baffle 15 and above the placement plate 14, an electric push rod 17 is fixedly mounted on bottom of the fixing plate 16, a pressing strip 20 is fixedly mounted at output end of the electric push rod 17, a hydraulic cylinder 13 is fixedly mounted on top of the top plate 3 and on right side of the motor 8, an output end of the hydraulic cylinder 13 penetrates and extends to below the top plate 3, and a pressing block 25 is fixedly mounted at output end of the hydraulic cylinder 13.
In addition, it should be noted that the extension length of the hydraulic cylinder 13 should be correspondingly changed when the spring bar height is adjusted.
When the other side of the elastic strip needs to be observed, the placement orientation of the elastic strip can be adjusted.
Embodiment two: referring to fig. 4, in the present embodiment, a first connecting plate 19 is fixedly mounted at the output end of the electric push rod 17, the first connecting plate 19 is fixed with a pressing bar 20 through a first bolt 18, the pressing bar 20 is fixedly mounted at the output end of the electric push rod 17 through the first connecting plate 19 and the first bolt 18, a second connecting plate 22 is fixedly mounted at the output end of the hydraulic cylinder 13, a third connecting plate 23 is fixedly mounted at the top of a pressing block 25, the third connecting plate 23 is fixed with the second connecting plate 22 through a second bolt 24, and the pressing block 25 is fixedly mounted at the output end of the hydraulic cylinder 13 through the third connecting plate 23, the second connecting plate 22 and the second bolt 24.
Through the first connecting plate 19, the first bolt 18, the second connecting plate 22, the third connecting plate 23 and the second bolt 24 that set up, be convenient for dismantle briquetting 25 and layering 20 and maintain or change, further improved this novel practicality.
Referring to fig. 4, in the present embodiment, the bottom of the pressing block 25 and the bottom of the pressing bar 20 are provided with limiting grooves 21,
the limiting groove 21 is used for limiting the spring strip.
The top of roof 3 just is located the left side fixed mounting of pneumatic cylinder 13 and installs cover 12, and motor 8 fixed mounting is at the interior roof of cover 12, and motor 8 passes through cover 12 fixed mounting at the top of roof 3.
The working principle of the embodiment is as follows: one side of the spring strip is placed on the support bar 27 according to the test position, the other side of the spring strip is placed in the limit groove 21 of the pressing strip 20, the hydraulic cylinder 13 is started to drive the pressing block 25 to move downwards, one side to be tested is placed in the limit groove 21 at the bottom of the pressing block 25, so that the spring strip is limited, and the hydraulic cylinder 13 is started to drive the pressing block 25 to continuously move up and down to apply pressure to one side of the spring strip, so that a fatigue test is realized; through the adjusting part who sets up, starter motor 8 drives lead screw 9 rotation to make thread bush 5 drive fly leaf 4 and reciprocate, and place board 14 and fix at the top of fly leaf 4, make this novel highly can be adjusted that makes the bullet strip from this, the extension length correspondence of pneumatic cylinder 13 changes when bullet strip height adjusts, thereby make this novel convenient observation bullet strip surface in fatigue test whether has little crack, and can not influence fatigue test, this novel practicality has been improved greatly.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a highly adjustable track fastener fatigue test device, includes workstation (1), its characterized in that: two side plates (2) are fixedly arranged at the top of the workbench (1), a top plate (3) is fixedly arranged at the top of each side plate (2), a movable plate (4) is arranged at the top of the workbench (1), test components are arranged at the top of each movable plate (4), and adjusting components are arranged at the left side and the right side of each movable plate (4);
the adjusting component comprises a motor (8) fixedly mounted at the top of the top plate (3), a threaded sleeve (5) and a sliding sleeve (6) are fixedly mounted on the inner wall of the movable plate (4), a screw rod (9) with one end penetrating through the top plate (3) and rotationally connected with the top of the workbench (1) is fixedly mounted at the output end of the motor (8), the threaded sleeve (5) is located on the surface of the screw rod (9) and in threaded connection with the screw rod (9), a sliding rod (7) is fixedly mounted between the top plate (3) and the workbench (1) and on the right side of the screw rod (9), and the sliding sleeve (6) is located on the surface of the sliding rod (7) and in sliding connection with the sliding rod (7).
2. The height-adjustable rail fastener fatigue test device according to claim 1, wherein: two mounting openings (26) are formed in the surface of the movable plate (4), the threaded sleeve (5) and the sliding sleeve (6) are respectively and fixedly mounted on the inner walls of the two mounting openings (26), and the threaded sleeve (5) is located on the left side of the sliding sleeve (6).
3. The height-adjustable rail fastener fatigue test device according to claim 1, wherein: the sliding grooves (11) are formed in one side, opposite to the side plates (2), of each movable plate (4), and sliding blocks (10) with one ends extending into the corresponding sliding grooves (11) are fixedly arranged on the left side and the right side of each movable plate.
4. The height-adjustable rail fastener fatigue test device according to claim 1, wherein: the test assembly comprises a placing plate (14) fixedly installed at the top of the movable plate (4), a supporting bar (27) is fixedly installed at the top of the placing plate (14), a baffle (15) is fixedly installed at the left side of the placing plate (14), a fixing plate (16) is fixedly installed on the right side of the baffle (15) and above the placing plate (14), an electric push rod (17) is fixedly installed at the bottom of the fixing plate (16), a pressing strip (20) is fixedly installed at the output end of the electric push rod (17), a hydraulic cylinder (13) is fixedly installed at the top of the top plate (3) and on the right side of the motor (8), the output end of the hydraulic cylinder (13) penetrates through and extends to the lower side of the top plate (3), and a pressing block (25) is fixedly installed at the output end of the hydraulic cylinder (13).
5. The height-adjustable rail fastener fatigue test device according to claim 4, wherein: the output end of the electric push rod (17) is fixedly provided with a first connecting plate (19), the first connecting plate (19) is fixed with a pressing bar (20) through a first bolt (18), and the pressing bar (20) is fixedly arranged at the output end of the electric push rod (17) through the first connecting plate (19) and the first bolt (18).
6. The height-adjustable rail fastener fatigue test device according to claim 4, wherein: the output end of the hydraulic cylinder (13) is fixedly provided with a second connecting plate (22), the top of the pressing block (25) is fixedly provided with a third connecting plate (23), the third connecting plate (23) is fixed with the second connecting plate (22) through a second bolt (24), and the pressing block (25) is fixedly arranged at the output end of the hydraulic cylinder (13) through the third connecting plate (23), the second connecting plate (22) and the second bolt (24).
7. The height-adjustable rail fastener fatigue test device according to claim 6, wherein: limiting grooves (21) are formed in the bottoms of the pressing blocks (25) and the pressing strips (20), an installation cover (12) is fixedly installed at the top of the top plate (3) and located on the left side of the hydraulic cylinder (13), a motor (8) is fixedly installed on the inner top wall of the installation cover (12), and the motor (8) is fixedly installed at the top of the top plate (3) through the installation cover (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320800625.0U CN219715063U (en) | 2023-04-12 | 2023-04-12 | Fatigue test device for height-adjustable rail fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320800625.0U CN219715063U (en) | 2023-04-12 | 2023-04-12 | Fatigue test device for height-adjustable rail fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219715063U true CN219715063U (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320800625.0U Active CN219715063U (en) | 2023-04-12 | 2023-04-12 | Fatigue test device for height-adjustable rail fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219715063U (en) |
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2023
- 2023-04-12 CN CN202320800625.0U patent/CN219715063U/en active Active
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