CN217466181U - Fixing mechanism for fatigue test bench for multiple groups of high-speed rail springs - Google Patents
Fixing mechanism for fatigue test bench for multiple groups of high-speed rail springs Download PDFInfo
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- CN217466181U CN217466181U CN202220226565.1U CN202220226565U CN217466181U CN 217466181 U CN217466181 U CN 217466181U CN 202220226565 U CN202220226565 U CN 202220226565U CN 217466181 U CN217466181 U CN 217466181U
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- speed rail
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Abstract
The utility model discloses a fixing mechanism for a fatigue test bench for a plurality of groups of high-speed rail springs, which comprises a base, a high-speed rail spring main body, a holding component and a protection component; the outer wall of the top of the base is fixedly provided with a supporting seat, and the accommodating assembly is arranged on the outer wall of the top of the supporting seat; the accommodating assembly comprises an upper plate, a lower accommodating seat and an upper accommodating seat, the lower plate is fixed on the outer wall of the top of the supporting seat, the lower accommodating seat is welded on the outer wall of the top of the lower plate, the bottom of the high-speed rail spring main body is arranged on the inner wall of the bottom of the lower accommodating seat, the upper accommodating seat is welded on the outer wall of the bottom of the upper plate, the inner wall of the bottom of the upper accommodating seat is arranged on the top of the high-speed rail spring main body, and a top plate is fixed on the outer wall of the top of the upper plate. The utility model discloses a holding seat can carry out the holding to high-speed railway spring main part bottom under being provided with, can carry out the holding to high-speed railway spring main part top through being provided with holding seat to holding seat and last holding seat carry out the limit to high-speed railway spring main part under the utilization.
Description
Technical Field
The utility model relates to a high-speed railway spring is fixed establishment technical field for fatigue testboard especially relates to a fixed establishment that multiunit high-speed railway spring fatigue testboard was used.
Background
In prior art, high-speed railway spring need carry out fatigue test at the in-process of production, through compressing high-speed railway spring promptly to carry out fatigue test to its surface after the compression to high-speed railway spring carries out the quality and judges, carries out fatigue test to high-speed railway spring in-process, need fix it, thereby guarantees the security when examining high-speed railway spring.
Through retrieval, chinese patent application No. CN202020933183.3 discloses a fatigue strength testing device for a compression spring for a vehicle, which comprises a testing table, wherein a frame body is fixedly installed on the testing table, a positioning post rod is vertically installed on the bottom wall of the right side of the frame body, a lower adjusting ring plate is installed on the bottom of the positioning post rod, a spring part to be tested is placed on the positioning post rod in a sleeved manner, the bottom end of the spring part to be tested is in contact with the lower adjusting ring plate, an upper pressing sleeve seat is arranged above the spring part to be tested, the upper pressing sleeve seat is tightly sleeved on the tail end of a guide tube, the guide tube is arranged on the frame body in a sliding and inserting manner, the top end of the guide tube is rotatably connected with one end of a linkage rod through a lower pin shaft, the other end of the linkage rod is rotatably connected with an eccentric disc through an upper pin shaft, and the eccentric disc is integrally assembled and connected with a testing motor through a motor main shaft.
The device for testing the fatigue strength of the compression spring for the vehicle in the patent has the following defects: when testing, can't effectively fix spacingly to the spring part both ends that await measuring for when the test, the spring part that awaits measuring easily appears crooked, can't guarantee the safety of test.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a fixing mechanism for a multi-group high-speed rail spring fatigue test bench.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a fixing mechanism for a fatigue test bench for a plurality of groups of high-speed rail springs comprises a base, a high-speed rail spring main body, an accommodating assembly and a protection assembly;
the outer wall of the top of the base is fixedly provided with a supporting seat, and the accommodating assembly is arranged on the outer wall of the top of the supporting seat;
the accommodating assembly comprises an upper plate, a lower accommodating seat and an upper accommodating seat;
the lower plate is fixed on the outer wall of the top of the supporting seat;
the lower containing seat is welded on the outer wall of the top of the lower plate, and the bottom of the high-speed rail spring main body is arranged on the inner wall of the bottom of the lower containing seat;
the upper containing seat is welded on the outer wall of the bottom of the upper plate, and the inner wall of the bottom of the upper containing seat is arranged at the top of the high-speed rail spring main body;
and a top plate is fixed on the outer wall of the top of the upper plate.
As a further aspect of the present invention: a support is fixed on the outer wall of the top of the base, and a hydraulic cylinder is fixed on the inner wall of the top of the support.
As a further aspect of the present invention: and a pressing seat is fixed at the output end of the hydraulic cylinder.
As a further aspect of the present invention: the protection assembly comprises a vertical protection steel pipe and a transverse protection steel pipe;
and the vertical protection steel pipe and the transverse protection steel pipe are fixedly connected through a hoop.
As a further aspect of the present invention: the outer wall of the top of the base is fixedly provided with a connecting seat, and the outer wall of the top of the connecting seat is welded with a mounting nut.
As a further aspect of the present invention: the inner wall of the circumference of the mounting nut is connected with a first screw rod through threads, and the outer wall of the circumference of the first screw rod is movably connected with a hollow plate.
As the utility model discloses further scheme again: the inner wall of the hollow slab is movably connected with a second screw rod.
As a further aspect of the present invention: and the first screw rod and the hollow plate as well as the hollow plate and the second screw rod are fixed through adjusting nuts.
Compared with the prior art, the utility model provides a fixed establishment that fatigue testboard of multiunit high-speed railway spring was used possesses following beneficial effect:
1. the bottom end of the high-speed rail spring main body can be accommodated through the lower accommodating seat, the top end of the high-speed rail spring main body can be accommodated through the upper accommodating seat, and therefore the high-speed rail spring main body is limited by the lower accommodating seat and the upper accommodating seat.
2. Through control pneumatic cylinder output downstream to make and push down the seat and can exert pressure to the roof surface at the in-process that moves down, thereby make high-speed railway spring main part can produce deformation, thereby can carry out fatigue test to high-speed railway spring main part.
3. The first screw is pressed on the surface of the hollow plate, and the position of the hollow plate relative to the first screw and the second screw is limited by the adjusting nut, so that the tops of the two top plates can be further fixed by the screws.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a schematic view of an overall structure of a fixing mechanism for a fatigue test table for multiple groups of high-speed rail springs according to the present invention;
fig. 2 is a schematic side structural view of a fixing mechanism for a fatigue test board for multiple groups of high-speed rail springs according to the present invention;
fig. 3 is a schematic structural view of a spring mounting assembly of a fixing mechanism for a fatigue test bench for multiple groups of high-speed rail springs according to the present invention;
fig. 4 is the utility model provides a fixed establishment's supplementary fixed subassembly schematic structure that multiunit high-speed railway spring fatigue test platform was used.
In the figure: 1-base, 2-supporting base, 3-lower pressing base, 4-hydraulic cylinder, 5-support, 6-hollow plate, 7-vertical protective steel pipe, 8-horizontal protective steel pipe, 9-top plate, 10-upper plate, 11-high-speed rail spring main body, 12-lower plate, 13-lower containing base, 14-upper containing base, 15-connecting base, 16-screw rod I, 17-screw rod II, 18-adjusting nut and 19-mounting nut.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1:
a fixing mechanism for a fatigue test bench for multiple groups of high-speed rail springs is used for carrying out fatigue test on a high-speed rail spring main body 11, and comprises a base 1, the high-speed rail spring main body 11, an accommodating assembly and a protection assembly, wherein the base 1 is provided with a base seat;
the outer wall of the top of the base 1 is fixedly provided with a supporting seat 2 through a bolt, and the accommodating assembly is arranged on the outer wall of the top of the supporting seat 2;
the containing assembly comprises an upper plate 10, a lower plate 12, a lower containing seat 13 and an upper containing seat 14, wherein the lower plate 12 is fixed on the outer wall of the top of the supporting seat 2 through bolts, the lower containing seat 13 is welded on the outer wall of the top of the lower plate 12, the bottom of the high-speed rail spring main body 11 is arranged on the inner wall of the bottom of the lower containing seat 13, the upper containing seat 14 is welded on the outer wall of the bottom of the upper plate 10, the inner wall of the bottom of the upper containing seat 14 is arranged on the top of the high-speed rail spring main body 11, and the outer wall of the top of the upper plate 10 is fixed with a top plate 9 through bolts; can hold 11 bottoms of high-speed railway spring main part through being provided with down holding seat 13, can hold 11 tops of high-speed railway spring main part through being provided with upper holding seat 14 to it is spacing to utilize lower holding seat 13 and upper holding seat 14 to carry out high-speed railway spring main part 11.
A support 5 is fixed on the outer wall of the top of the base 1 through a bolt, a hydraulic cylinder 4 is fixed on the inner wall of the top of the support 5 through a bolt, and a pressing seat 3 is fixed at the output end of the hydraulic cylinder 4 through a bolt; through the downward removal of control pneumatic cylinder 4 output to make and push down seat 3 and can exert pressure to roof 9 surface at the in-process that moves down, thereby make high-speed railway spring main part 11 can produce deformation, thereby can carry out fatigue test to high-speed railway spring main part 11.
In order to ensure the safety of the high-speed rail spring main body 11 during the fatigue test, as shown in fig. 2, the protection assembly comprises a vertical protection steel pipe 7 and a transverse protection steel pipe 8, and the vertical protection steel pipe 7 and the transverse protection steel pipe 8 are fixedly connected through a clamp; through being provided with vertical protection steel pipe 7 and horizontal protection steel pipe 8 can enclose the fender to supporting seat 2 to can avoid high-speed railway spring main part 11 at the in-process of test, when the unexpected condition appears, utilize vertical protection steel pipe 7 and horizontal protection steel pipe 8 to protect.
The working principle is as follows: at first place 13 inner walls of holding seat under with 11 bottoms of high-speed railway spring main part, place upper plate 10 on 11 tops of high-speed railway spring main part through last holding seat 14 after that, control pneumatic cylinder 4 after that for the in-process that pneumatic cylinder 4 controlled its output moved down can utilize and push down seat 3 and push down roof 9 top, thereby makes 11 production elastic deformation of high-speed railway spring main part, carries out fatigue test to 11 of high-speed railway spring main part.
Example 2:
a fixing mechanism for a fatigue test bench for multiple groups of high-speed rail springs is shown in figure 4, and aims to perform auxiliary fixing on a high-speed rail spring main body 11; this example is supplemented by example 1 with the following: the outer wall of the top of the base 1 is fixedly provided with a connecting seat 15 through a bolt, the outer wall of the top of the connecting seat 15 is welded with a mounting nut 19, the circumferential inner wall of the mounting nut 19 is connected with a first screw rod 16 through threads, the circumferential outer wall of the first screw rod 16 is connected with a hollow plate 6 in a sliding mode, the inner wall of the hollow plate 6 is connected with a second screw rod 17 in a sliding mode, and the first screw rod 16 and the hollow plate 6, and the hollow plate 6 and the second screw rod 17 are fixed through adjusting nuts 18; the second screw 17 is pressed on the surface of the hollow plate 6, and the position of the hollow plate 6 relative to the first screw 16 and the second screw 17 is limited by the adjusting nut 18, so that the top of the top plate 9 can be further fixed by the second screw 17.
In use, the second screw 17 is pressed against the top plate 9, the hollow plate 6 slides along the circumferential outer wall of the first screw 16, and the position of the hollow plate 6 relative to the first screw 16 and the second screw 17 is limited by the adjusting nut 18, so that the top plate 9 can be fixed again by the second screw 17.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A fixing mechanism for a fatigue test bench for multiple groups of high-speed rail springs comprises a base (1), a high-speed rail spring main body (11), an accommodating assembly and a protection assembly, and is characterized in that;
the outer wall of the top of the base (1) is fixedly provided with a supporting seat (2), and the accommodating assembly is arranged on the outer wall of the top of the supporting seat (2);
the containing assembly comprises an upper plate (10), a lower plate (12), a lower containing seat (13) and an upper containing seat (14);
the lower plate (12) is fixed on the outer wall of the top of the supporting seat (2);
the lower containing seat (13) is welded on the outer wall of the top of the lower plate (12), and the bottom of the high-speed rail spring main body (11) is arranged on the inner wall of the bottom of the lower containing seat (13);
the upper containing seat (14) is welded on the outer wall of the bottom of the upper plate (10), and the inner wall of the bottom of the upper containing seat (14) is arranged at the top of the high-speed rail spring main body (11);
and a top plate (9) is fixed on the outer wall of the top of the upper plate (10).
2. The fixing mechanism for the fatigue test bench for the multiple groups of high-speed rail springs as claimed in claim 1, wherein a bracket (5) is fixed on the outer wall of the top of the base (1), and a hydraulic cylinder (4) is fixed on the inner wall of the top of the bracket (5).
3. The fixing mechanism for the fatigue test bench for the multiple groups of high-speed rail springs as claimed in claim 2, wherein the output end of the hydraulic cylinder (4) is fixed with a pressing seat (3).
4. The fixing mechanism for the fatigue test bench for the multiple groups of high-speed rail springs as claimed in claim 3, wherein the protection assembly comprises a vertical protection steel pipe (7) and a transverse protection steel pipe (8);
and the vertical protective steel pipe (7) and the transverse protective steel pipe (8) are fixedly connected through a hoop.
5. The fixing mechanism for the fatigue test bench for the multiple groups of high-speed rail springs according to claim 4, wherein a connecting seat (15) is fixed on the outer wall of the top of the base (1), and a mounting nut (19) is welded on the outer wall of the top of the connecting seat (15).
6. The fixing mechanism for the fatigue test bench for the multiple groups of high-speed rail springs is characterized in that a first screw rod (16) is connected to the circumferential inner wall of the mounting nut (19) through threads, and a hollow plate (6) is movably connected to the circumferential outer wall of the first screw rod (16).
7. The fixing mechanism for the fatigue test stands of multiple groups of high-speed rail springs as claimed in claim 6, wherein a second screw (17) is movably connected to the inner wall of the hollow plate (6).
8. The fixing mechanism for the multiple groups of high-speed rail spring fatigue test stands according to claim 7, wherein the first screw (16) and the hollow plate (6), and the second screw (17) are fixed through adjusting nuts (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220226565.1U CN217466181U (en) | 2022-01-27 | 2022-01-27 | Fixing mechanism for fatigue test bench for multiple groups of high-speed rail springs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220226565.1U CN217466181U (en) | 2022-01-27 | 2022-01-27 | Fixing mechanism for fatigue test bench for multiple groups of high-speed rail springs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217466181U true CN217466181U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220226565.1U Active CN217466181U (en) | 2022-01-27 | 2022-01-27 | Fixing mechanism for fatigue test bench for multiple groups of high-speed rail springs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217466181U (en) |
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- 2022-01-27 CN CN202220226565.1U patent/CN217466181U/en active Active
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