CN220972160U - Fastener for rail vibration test - Google Patents
Fastener for rail vibration test Download PDFInfo
- Publication number
- CN220972160U CN220972160U CN202322857466.0U CN202322857466U CN220972160U CN 220972160 U CN220972160 U CN 220972160U CN 202322857466 U CN202322857466 U CN 202322857466U CN 220972160 U CN220972160 U CN 220972160U
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- plate
- fastener
- base
- sensor
- transverse plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model provides a fastener for vibration test of a steel rail, which relates to the technical field of rail traffic data measurement, and comprises a base, a transverse plate, a clamping mechanism and a sensor assembly; the base is arranged below the transverse plate, the clamping mechanism comprises two clamping plates which are symmetrically arranged on two sides of the transverse plate, the upper plate surfaces of the two clamping plates are bent in opposite directions, ejector rods are horizontally arranged on the upper edges of the two clamping plates, and the end parts of the two ejector rods are respectively provided with a jacking device; the sensor assembly comprises a sensor base and a sensor; the jacking device comprises a sensor base and a fixed jacking block. All parts of the utility model are connected through bolts or threads, can be quickly disassembled and assembled in the using process, and are convenient to carry. The utility model has the advantages of lifting, adjustable width, large clamping force and good effect, and can be applied to fixing different types of steel rails and sensors.
Description
Technical Field
The utility model relates to the technical field of rail transit data measurement, in particular to a fastener for rail vibration test.
Background
At present, in urban rail transit steel rail vibration measurement, a traditional sensor fixing mode is to fix by adopting AB glue or 502, a certain time is required to be spent on site to fix the sensor by hand, the sensor is used after glue is solidified, when the air temperature is low, the glue is not easy to solidify, repeated work is easy to cause, and a large amount of time is spent. The acceleration sensor is glued on the surface of the steel rail, so that although the acceleration sensor is firmly installed, the sensor is not insulated from the steel rail, and the acquired signal is easily influenced by current to cause unstable data signal and influence the accuracy of a measurement result; in addition, the glue left at the bottom of the sensor is difficult to remove and clean after the sensor is glued, so that the next measurement is inconvenient; the night on-site measurement is carried out at a skylight point, the available time is short, and when a plurality of vertical sensors and transverse sensors are required to be arranged on the same section, the work is required to be repeatedly carried out, so that the development of test work is not facilitated.
Disclosure of utility model
The utility model aims to provide a fastener for vibration test of a steel rail, so as to solve the problem that the existing sensor is inconvenient to assemble and disassemble.
The utility model is realized in the following way: a fastener for vibration test of steel rail, wherein, include base, diaphragm, clamping mechanism and sensor assembly;
The base is arranged below the transverse plate, the clamping mechanism comprises two clamping plates which are symmetrically arranged on two sides of the transverse plate, the upper plate surfaces of the two clamping plates are bent in opposite directions, ejector rods are horizontally arranged on the upper edges of the two clamping plates, and the end parts of the two ejector rods are respectively provided with a jacking device;
the sensor assembly comprises a sensor base and a sensor;
The jacking device comprises a sensor base and a fixed jacking block.
Preferably, the clamping plate comprises a vertical plate below and connected with the transverse plate and a sloping plate above, the vertical plate and the sloping plate are arranged at an angle, and the sloping plate is inclined to one side of the transverse plate.
Preferably, a threaded hole is formed in the upper edge of the inclined plate, external threads are respectively formed in two ends of the ejector rod, and the ejector rod is in threaded connection with the inclined plate.
Preferably, the base comprises a supporting rod and a tripod, and two ends of the supporting rod are respectively connected with the transverse plate and the tripod.
Preferably, the supporting rod, the supporting leg of the tripod and the ejector rod are of telescopic rod-shaped structures.
Preferably, the number of the bases is at least four, and the bases are respectively arranged at four corners of the bottom of the transverse plate.
Preferably, the base, the transverse plate and the clamping mechanism are all made of carbon fiber materials.
By adopting the technical scheme, all parts of the utility model are connected through bolts or threads, can be quickly disassembled and assembled in the use process, and are convenient to carry. According to the measurement requirement, the utility model can fix a plurality of sensors at the same time, provides convenience for measurement, and can also be used for installing other kinds of sensors, such as displacement sensors and the like. The utility model has the advantages of lifting, width adjustment, large clamping force and good effect, and can be applied to fixing different types of steel rails and sensors.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side view schematic of FIG. 1;
Fig. 3 is a schematic top view of fig. 1.
In the figure: 1-supporting rod, 2-transverse plate, 3-top rod, 4-vertical plate, 5-inclined plate, 6-tripod, 7-sensor base, 8-sensor, 9-fixed top block and 10-adjusting knob.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-3, the present utility model provides a fastener for vibration testing of rails, comprising a base, a cross plate 2, a clamping mechanism and a sensor assembly.
The clamping mechanism comprises two clamping plates which are symmetrically arranged on two sides of the transverse plate 2, the two clamping plates are bent in opposite directions, ejector rods 3 pointing to the central axis of the transverse plate 2 are respectively arranged at the upper edges of the two clamping plates, and the two clamping plates and the transverse plate can be connected through bolts. As an embodiment, the two clamping plates are both in a bent plate shape, the upper section plate surfaces of the two clamping plates are bent towards opposite sides relative to the lower section plate surfaces, and the bending angles of the two clamping plates are the same. As an example, two clamping plates are composed of a lower vertical plate 4 and an upper inclined plate 5 which are arranged at an angle, and the vertical plate 4 and the inclined plate 5 are connected through bolts. The ejector rod 3 is horizontally arranged, and one end of the ejector rod 3 is connected with the upper edge of the sloping plate 5. As an embodiment, a threaded hole is formed in the upper edge of the inclined plate 5, an external thread is formed at one end of the ejector rod 3, and the ejector rod 3 is in threaded connection with the inclined plate 5. Edges with threaded holes are arranged on the clamping plates and the transverse plates 2, and the clamping plates and the transverse plates are connected through bolts.
The base comprises a supporting rod 1 and a tripod 6 arranged at the bottom of the supporting rod 1. Preferably, the number of the bases is at least four, and the four bases are respectively arranged at four corners of the bottom of the transverse plate 2. The upper end of the supporting rod 1 is connected with the transverse plate 2, and the lower end is connected with the tripod 6. The tripod type base is adopted, so that the tripod type base has very good stability and reliability, the condition that the sensor is loose or shifts in the measuring process is avoided, and the normal operation of equipment is ensured.
Furthermore, in order to increase the application range of the utility model, the supporting legs of the supporting rod 1 and the tripod 6 are of telescopic rod-shaped structures, the supporting rod 1 is provided with an adjusting knob 10, and the tripod supporting legs are also provided with the adjusting knob 10, so that the height of the base can be conveniently adjusted. The supporting rod 1, the tripod 6 and the ejector rod 3 can be all existing rods with telescopic functions, the structure of the adjusting knob can be an existing adjusting structure on the rods with telescopic functions, the marks in the figures are only schematic, and the utility model is not particularly limited.
When in use, the utility model needs to be sleeved on a rail, the bottom edge of the rail is positioned in a space surrounded by two clamping plates and a transverse plate, two ejector rods 3 are respectively directed to supporting plates in the center of the rail from two sides, and a tightening device is arranged at the end of each ejector rod 3 so as to clamp the rail and measure information such as rail vibration. Further, the sensor assembly of the utility model comprises a sensor base 7 and a sensor 8, wherein the sensor base 7 is arranged at the other end of the ejector rod 3 and is in threaded connection with the ejector rod 3. The sensor 8 is fixed to the sensor base 7, and the sensor 8 may be installed in a lateral direction or a vertical direction of the sensor base 7. Further, a sensor can be installed on the track bed, and vibration information of the track bed and the steel rail can be measured at the same time. The jacking device is a fixed jacking block 9 or a sensor base 7 provided with a threaded hole. Further, in order to stabilize the fastener and facilitate the installation of various sensors, the number of the ejector rods 3 arranged on the upper edge of the clamping plate at each side is at least two, and the sensor base 7 or the fixed ejector block 9 can be installed at the end of the ejector rod 3. The sensor base 7 and the fixed top block 9 are all clamped on the outer wall of the supporting plate. Furthermore, the ejector rod 3 is also a telescopic rod, and the ejector rod 3 is provided with an adjusting knob, so that the length of the ejector rod 3 can be adjusted, and the clamping is convenient.
Further, the base, the transverse plate, the clamping plate and the ejector rod are all made of carbon fiber insulating materials.
All parts of the utility model are connected through bolts or threads, can be quickly disassembled and assembled in the using process, and are convenient to carry. According to the measurement requirement, the utility model can fix a plurality of vibration sensors at the same time, provides convenience for measurement, and can also be used for installing other kinds of sensors, such as displacement sensors and the like. The utility model can be lifted and adjusted in width, and can be applied to fixing different types of steel rails and sensors.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. A fastener for vibration test of steel rail, characterized by, including base, diaphragm, clamping mechanism and sensor assembly;
The base is arranged below the transverse plate, the clamping mechanism comprises two clamping plates which are symmetrically arranged on two sides of the transverse plate, the upper plate surfaces of the two clamping plates are bent in opposite directions, ejector rods are horizontally arranged on the upper edges of the two clamping plates, and the end parts of the two ejector rods are respectively provided with a jacking device;
the sensor assembly comprises a sensor base and a sensor;
The jacking device comprises a sensor base and a fixed jacking block.
2. The fastener for vibration testing of steel rail according to claim 1, wherein the clamping plate comprises a lower vertical plate connected with the transverse plate and an upper inclined plate, the vertical plate and the inclined plate are arranged at an angle, and the inclined plate is inclined to one side of the transverse plate.
3. The fastener for vibration test of steel rail according to claim 2, wherein a threaded hole is formed at the upper edge of the inclined plate, external threads are respectively formed at two ends of the ejector rod, and the ejector rod is in threaded connection with the inclined plate.
4. A fastener for vibration testing of rails as claimed in claim 1 wherein said base includes a strut and a tripod, the strut being connected at each end to said cross plate and tripod.
5. The fastener for vibration testing of steel rails of claim 4 wherein said struts, legs of said tripod and said rams are of telescopic rod-like construction.
6. The fastener for vibration testing of steel rails according to claim 1, wherein the number of the bases is at least four, and the bases are respectively arranged at four corners of the bottom of the transverse plate.
7. A fastener for vibration testing of rails as claimed in claim 1 wherein said base, said cross plate, and said clamping mechanism are all made of carbon fiber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322857466.0U CN220972160U (en) | 2023-10-24 | 2023-10-24 | Fastener for rail vibration test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322857466.0U CN220972160U (en) | 2023-10-24 | 2023-10-24 | Fastener for rail vibration test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220972160U true CN220972160U (en) | 2024-05-17 |
Family
ID=91065139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322857466.0U Active CN220972160U (en) | 2023-10-24 | 2023-10-24 | Fastener for rail vibration test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220972160U (en) |
-
2023
- 2023-10-24 CN CN202322857466.0U patent/CN220972160U/en active Active
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