CN215065728U - Fixing device for pressure sensor for steel rail static load test - Google Patents
Fixing device for pressure sensor for steel rail static load test Download PDFInfo
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- CN215065728U CN215065728U CN202120751853.4U CN202120751853U CN215065728U CN 215065728 U CN215065728 U CN 215065728U CN 202120751853 U CN202120751853 U CN 202120751853U CN 215065728 U CN215065728 U CN 215065728U
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- sleeve
- limiting
- pressure sensor
- stop collar
- rotating
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Abstract
The utility model relates to a rail static test pressure sensor fixing device, including the adapter sleeve, the stop collar, the adapter sleeve is equipped with the connection chamber, the stop collar bottom is equipped with spacing chamber, the adapter sleeve bottom is equipped with the reference column, the stop collar top is equipped with the locating hole, the outer swivelling joint of stop collar has the rotating sleeve, the inner wall of rotating sleeve is equipped with the fore-set, the stop collar inner wall articulates there is the limiting plate, limiting plate one end is articulated and articulated the axis is vertical with the stop collar, the fore-set end is to the limiting plate outer wall, the limiting plate is around stop collar central ring array evenly distributed, the locating hole pore wall is equipped with the spring catch, the reference column be equipped with spring catch complex positioning hole. The utility model discloses an alternate segregation's adapter sleeve and stop collar prevent effectively that pressure sensor from in work lateral deviation or extruding, and the adapter sleeve adopts reference column and stop collar location structure, and the adapter sleeve quick replacement of being convenient for is applicable to not the pressure head of equidimension, and the limiting plate adopts the ejecting pressure sensor of holding different specifications tightly of the fore-set of rotating the cover, and the suitability is good.
Description
Technical Field
The utility model relates to a rail test fixture, in particular to rail static load test pressure sensor fixing device.
Background
The rail and the fastener are necessary parts for rail transit, and need bear great load in the course of the work, therefore need carry out the static load test to rail and fastener, and the tradition mode is with pressure sensor clamp between the pressure head of tool and press, and this kind of mode is in test process pressure sensor easily the deflection or extrude, easily causes the incident.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rail static load test pressure sensor fixing device to prior art not enough.
The utility model provides a technical scheme that its technical problem adopted is: a fixing device for a pressure sensor for steel rail static load test comprises a connecting sleeve and a limiting sleeve arranged at the bottom of the connecting sleeve, the connecting sleeve is provided with a connecting cavity with an opening at the top, the bottom of the limiting sleeve is provided with a limiting cavity for placing a pressure sensor, the bottom of the connecting sleeve is provided with a positioning column, the top of the limiting sleeve is provided with a positioning hole which is convenient to be matched with the positioning column, a rotating sleeve is rotatably connected outside the limiting sleeve, the rotating axis of the rotating sleeve is vertical, a top post extending to the center of the rotating sleeve is arranged on the inner wall of the rotating sleeve, a limiting plate is hinged to the inner wall of the limiting sleeve, one end of the limiting plate is hinged to the limiting sleeve, the hinge axis is vertical, the tail end of the top column abuts against the outer wall of the limiting plate, the limiting plates are uniformly distributed around the central annular array of the limiting sleeve, the locating hole pore wall is equipped with the spring catch, the reference column is equipped with spring catch complex location hole.
Through the adapter sleeve and the stop collar of alternate segregation in the above-mentioned design, effectively prevent pressure sensor lateral deviation or extrude at work, the adapter sleeve adopts reference column and stop collar location structure, and the adapter sleeve quick replacement of being convenient for is applicable to not the pressure head of equidimension, and the limiting plate adopts the ejecting pressure sensor of holding different specifications of the top post of rotating the cover, and the suitability is good.
As a further improvement of the design, the outer wall of the rotating sleeve is provided with a rotating handle, so that the rotating sleeve can rotate conveniently.
As a further improvement of the design, the tail end of the ejection column is provided with a roller for abutting against the limiting plate, and damping between the simple ejection column and the limiting plate is achieved.
As a further improvement of the design, the positioning column is a polygon prism, so that the relative rotation of the connecting sleeve and the limiting sleeve is prevented conveniently, and the rotation of the rotating sleeve is facilitated.
As a further improvement of the design, the outer edge of the top of the limiting sleeve is provided with a sunken lower avoidance step, the outer edge of the bottom of the connecting sleeve is provided with an upward convex avoidance step, and chamfers are arranged on the outer edge of the top of the limiting sleeve and the outer edge of the bottom of the connecting sleeve. The connecting sleeve and the limiting sleeve are convenient to separate.
The utility model has the advantages that: the utility model discloses an alternate segregation's adapter sleeve and stop collar prevent effectively that pressure sensor from in work lateral deviation or extruding, and the adapter sleeve adopts reference column and stop collar location structure, and the adapter sleeve quick replacement of being convenient for is applicable to not the pressure head of equidimension, and the limiting plate adopts the ejecting pressure sensor of holding different specifications tightly of the fore-set of rotating the cover, and the suitability is good.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention.
Fig. 2 is a schematic bottom view of the present invention.
In the figure, 1, a connecting sleeve, 2, a lower avoidance step, 3, a chamfer, 4, a rotating handle, 5, a rotating sleeve, 6, a limiting sleeve, 7, a limiting plate, 8, a limiting cavity, 9, a connecting cavity, 10, an upper avoidance step, 11, a top column, 12, a positioning column, 13, a spring pin, 14, a positioning pit, 15, a positioning hole and 16, a roller are arranged.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and the description are only for the purpose of explanation, but not for the purpose of limitation.
Example (b): a fixing device for a pressure sensor for steel rail static load test comprises a connecting sleeve 1 and a limiting sleeve 6 arranged at the bottom of the connecting sleeve 1, wherein the connecting sleeve 1 is provided with a connecting cavity 9 with an open top, the bottom of the limiting sleeve 6 is provided with a limiting cavity 8 for placing a pressure sensor, the bottom of the connecting sleeve 1 is provided with a positioning column 12, the top of the limiting sleeve 6 is provided with a positioning hole 15 matched with the positioning column 12 conveniently, the outer side of the limiting sleeve 6 is rotatably connected with a rotating sleeve 5, the rotating axis of the rotating sleeve 5 is vertical, the inner wall of the rotating sleeve 5 is provided with a top post 11 extending towards the center of the rotating sleeve 5, the inner wall of the limiting sleeve 6 is hinged with a limiting plate 7, one end of the limiting plate 7 is hinged with the limiting sleeve 6, the hinged axis is vertical, the tail end of the top post 11 abuts against the outer wall of the limiting plate 7, and the limiting plates 7 are uniformly distributed around the annular array at the center of the limiting sleeve 6, the hole wall of the positioning hole 15 is provided with a spring pin 13, and the positioning column 12 is provided with a positioning pit 14 matched with the spring pin 13.
Through the adapter sleeve 1 and the stop collar 6 of alternate segregation in the above-mentioned design, effectively prevent pressure sensor lateral deviation or extrude at work, adapter sleeve 1 adopts reference column 12 and 6 location structure of stop collar, and the 1 quick replacement of adapter sleeve of being convenient for is applicable to the not pressure head of equidimension, and limiting plate 7 adopts the ejecting pressure sensor of holding different specifications tightly of top post 11 of rotating sleeve 5, and the suitability is good.
As a further improvement of the design, the outer wall of the rotating sleeve 5 is provided with a rotating handle 4, so that the rotating sleeve 5 can rotate conveniently.
As a further improvement of the design, the tail end of the top column 11 is provided with a roller 16 for abutting against the limiting plate 7, and damping between the simple top column 11 and the limiting plate 7 is realized.
As a further improvement of the design, the positioning column 12 is a polygon prism, which is convenient for preventing the relative rotation of the connecting sleeve 1 and the limiting sleeve 6, and is convenient for the rotation of the rotating sleeve 5.
As a further improvement of the design, the outer edge of the top of the limiting sleeve 6 is provided with a sunken lower avoidance step 2, the outer edge of the bottom of the connecting sleeve 1 is provided with an upward convex upper avoidance step 10, and chamfers 3 are arranged on the outer edge of the top of the limiting sleeve 6 and the outer edge of the bottom of the connecting sleeve 1. The connecting sleeve 1 and the limiting sleeve 6 are convenient to separate.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (5)
1. A pressure sensor fixing device for steel rail static load test is characterized by comprising a connecting sleeve and a limiting sleeve arranged at the bottom of the connecting sleeve, wherein the connecting sleeve is provided with a connecting cavity with an opening at the top, the bottom of the limiting sleeve is provided with a limiting cavity for placing a pressure sensor, the bottom of the connecting sleeve is provided with a positioning column, the top of the limiting sleeve is provided with a positioning hole matched with the positioning column conveniently, the limiting sleeve is connected with a rotating sleeve in a rotating way, the rotating axis of the rotating sleeve is vertical, the inner wall of the rotating sleeve is provided with a top post extending towards the center of the rotating sleeve, the inner wall of the limiting sleeve is hinged with a limiting plate, one end of the limiting plate is hinged with the limiting sleeve, the hinged axis is vertical, the tail end of the top post abuts against the outer wall of the limiting plate, the limiting plate is uniformly distributed around a central annular array of the limiting sleeve, and the positioning hole wall is provided with a spring pin, and the positioning column is provided with a positioning pit matched with the spring pin.
2. The fixing device for the pressure sensor in the static test of the steel rail as claimed in claim 1, wherein the outer wall of the rotating sleeve is provided with a rotating handle.
3. The fixing device for the steel rail static load test pressure sensor according to claim 1, wherein the tail end of the top column is provided with a roller for abutting against the limiting plate.
4. The apparatus as claimed in claim 1, wherein the positioning posts are polygonal columns.
5. The fixing device for the steel rail static test pressure sensor as claimed in claim 1, wherein a sunken lower avoidance step is arranged on the outer edge of the top of the limiting sleeve, an upward convex upper avoidance step is arranged on the outer edge of the bottom of the connecting sleeve, and chamfers are arranged on the outer edge of the top of the limiting sleeve and the outer edge of the bottom of the connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120751853.4U CN215065728U (en) | 2021-04-14 | 2021-04-14 | Fixing device for pressure sensor for steel rail static load test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120751853.4U CN215065728U (en) | 2021-04-14 | 2021-04-14 | Fixing device for pressure sensor for steel rail static load test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215065728U true CN215065728U (en) | 2021-12-07 |
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ID=79148346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120751853.4U Active CN215065728U (en) | 2021-04-14 | 2021-04-14 | Fixing device for pressure sensor for steel rail static load test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215065728U (en) |
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2021
- 2021-04-14 CN CN202120751853.4U patent/CN215065728U/en active Active
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