CN112344892A - Displacement sensor fixing device - Google Patents
Displacement sensor fixing device Download PDFInfo
- Publication number
- CN112344892A CN112344892A CN201910724956.9A CN201910724956A CN112344892A CN 112344892 A CN112344892 A CN 112344892A CN 201910724956 A CN201910724956 A CN 201910724956A CN 112344892 A CN112344892 A CN 112344892A
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- China
- Prior art keywords
- telescopic rod
- displacement sensor
- fixing device
- rotating
- hole
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention provides a displacement sensor fixing device which comprises a base, an adjusting support leg, a telescopic rod assembly, a rotating plate, a rotating hole bolt and a rotating plate positioning bolt, wherein the adjusting support leg is arranged on the base; the adjusting support legs are arranged at the bottom of the base to adjust the level of the base; the telescopic rod assembly comprises at least 2 telescopic rods and a locking nut for fastening the telescopic rods, and the lower end of the telescopic rod assembly is arranged on the base; the rotating plate is provided with a mounting hole for mounting the displacement sensor; the rotating plate is also provided with a rotating hole and a positioning structure, and the positioning structure is an arc-shaped positioning groove taking the rotating hole as the center of a circle or a plurality of positioning holes arranged on an arc taking the rotating hole as the center of a circle; wherein, rotatory hole bolt cooperatees with rotatory hole, and rotor plate positioning bolt cooperatees with location structure, and the rotor plate is fixed to the upper portion of telescopic link subassembly via rotatory hole bolt and rotor plate positioning bolt. The displacement sensor fixing device is high in precision and good in stability.
Description
Technical Field
The invention belongs to the technical field of static strength tests of a steel structure of a railway vehicle body, and particularly relates to a displacement sensor fixing device.
Background
In the static strength test process of the rail vehicle body steel structure, the vertical displacement of the vehicle body and the longitudinal displacement of the end part are data which need to be measured accurately in the test, but the following problems exist in the fixation of the displacement sensor at present.
1. The telescopic distance of the fixing seat for the vertical displacement sensor of the vehicle body is insufficient, the displacement sensor cannot be fixed firmly, and the verticality of the displacement sensor and the vehicle body is difficult to guarantee. In addition, there is a problem that the test preparation time is long.
2. Some high-standard-requirement test projects such as Boston and New York subway projects require accurate test of vertical and longitudinal displacement data of a vehicle body, and when a vehicle deforms due to applied load, the fixed seat of the displacement sensor has the problems of poor stability and the like, so that the test requirements cannot be met.
Disclosure of Invention
Therefore, the present invention is directed to provide a displacement sensor fixing device, which has high precision and good stability.
The purpose of the invention is realized by the following technical scheme.
The invention provides a displacement sensor fixing device, which comprises a base, an adjusting support leg, a telescopic rod assembly, a rotating plate, a rotating hole bolt and a rotating plate positioning bolt, wherein the adjusting support leg is arranged on the base; wherein:
the adjusting support legs are arranged at the bottom of the base to adjust the level of the base;
the telescopic rod assembly comprises at least 2 telescopic rods and locking nuts for fastening the at least 2 telescopic rods, and the lower end of the telescopic rod assembly is mounted on the base;
the rotating plate is provided with a mounting hole for mounting a displacement sensor; and
the rotating plate is also provided with a rotating hole and a positioning structure, and the positioning structure is an arc-shaped positioning groove taking the rotating hole as the center of a circle or a plurality of positioning holes arranged on an arc taking the rotating hole as the center of a circle; the rotating hole bolt is matched with the rotating hole, the rotating plate positioning bolt is matched with the positioning structure, and the rotating plate is fixed to the upper part of the telescopic rod assembly through the rotating hole bolt and the rotating plate positioning bolt.
Preferably, the arc angle of the arc-shaped positioning groove is 90-120 degrees.
Preferably, the rotating plate is provided with a scale for marking the arc angle of the arc-shaped positioning groove.
Preferably, the angle between the positioning holes at the two ends of the circular arc taking the rotating hole as the center is 90-120 degrees.
Preferably, the rotation plate includes a sector plate portion and a mounting plate portion connected, the rotation hole and the positioning structure are provided at the sector plate portion, and the mounting hole is provided at the mounting plate portion.
Preferably, the sector plate portion and the mounting plate portion are in the same plane.
Preferably, the displacement sensor fixing device further includes a fixing plate which is fitted with the mounting hole to fix the displacement sensor to the mounting plate portion of the rotating plate.
Preferably, the telescopic rod assembly includes a first telescopic rod, a second telescopic rod, a third telescopic rod, a first locking nut and a second locking nut, the lower end of the first telescopic rod is mounted on the base, the rotating plate is mounted on the third telescopic rod, the diameter of the first telescopic rod is larger than that of the second telescopic rod, the diameter of the second telescopic rod is larger than that of the third telescopic rod, the first telescopic rod and the second telescopic rod are fastened through the first locking nut, and the second telescopic rod and the third telescopic rod are fastened through the second locking nut.
Preferably, the displacement sensor fixing device further comprises a level provided on the base.
Preferably, the rotating plate is provided with 5-10 positioning holes.
The invention has the following beneficial effects:
(1) the displacement sensor fixing device can solve the problems that the telescopic distance is insufficient, the displacement sensor cannot be fixed firmly and the like in the fixing of the conventional vehicle body vertical displacement sensor, has high stability and precision, can better meet test items with high precision requirements, and has short test preparation time when the displacement sensor fixing device is adopted.
(2) The displacement sensor fixing device can be used for measuring the vertical and longitudinal micro-deformation of the vehicle, is suitable for mounting a stay wire type displacement sensor and a pull rod type displacement sensor, has universality, and can be used in various vehicle types.
(3) The displacement sensor fixing device has the function of adjusting the test direction, and provides more diversified acquisition means for the test.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a tooling structure of a displacement sensor fixing device according to the present invention;
FIG. 2 is a schematic view of another tooling structure of the displacement sensor fixing device according to the present invention;
FIG. 3 is an enlarged, fragmentary schematic view of another embodiment of a displacement sensor mount according to the present invention;
wherein the figures include the following reference numerals:
1-displacement sensor, 2-fixed plate, 3-displacement sensor mounting bolt, 4-rotating plate, 5-third telescopic rod, 6-second locking nut, 7-second telescopic rod, 8-first locking nut, 9-first telescopic rod, 10-level, 11-base, 12-adjusting support leg, 13-rotating hole bolt, 14-positioning hole, 15-rotating plate positioning bolt and 16-arc-shaped positioning groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The invention provides a displacement sensor fixing device, which comprises a base, an adjusting support leg, a telescopic rod assembly, a rotating plate, a rotating hole bolt and a rotating plate positioning bolt, wherein the adjusting support leg is arranged on the base; wherein:
the adjusting support legs are arranged at the bottom of the base to adjust the level of the base;
the telescopic rod assembly comprises at least 2 telescopic rods and locking nuts for fastening the at least 2 telescopic rods, and the lower end of the telescopic rod assembly is mounted on the base;
the rotating plate is provided with a mounting hole for mounting a displacement sensor; and
the rotating plate is also provided with a rotating hole and a positioning structure, and the positioning structure is an arc-shaped positioning groove taking the rotating hole as the center of a circle or a plurality of positioning holes arranged on an arc taking the rotating hole as the center of a circle; the rotating hole bolt is matched with the rotating hole, the rotating plate positioning bolt is matched with the positioning structure, and the rotating plate is fixed to the upper part of the telescopic rod assembly through the rotating hole bolt and the rotating plate positioning bolt.
Fig. 1 and 2 show a tool structure of an embodiment of a displacement sensor fixing device according to the present invention, and fig. 3 shows another embodiment of a displacement sensor fixing device according to the present invention. Referring to fig. 1 to 3, the displacement sensor fixing device of the present invention includes a base 11, an adjusting leg 12, a telescopic rod assembly, a rotation plate 4, a rotation hole bolt 13, and a rotation plate positioning bolt 15.
An adjusting leg 12 is provided at the bottom of the base 11 to adjust the level of the base 11. The telescopic rod assembly comprises at least 2 telescopic rods and locking nuts used for fastening the at least 2 telescopic rods, and the lower end of the telescopic rod assembly is installed on the base 11.
The rotating plate 4 is provided with a mounting hole for mounting the displacement sensor 1.
The rotating plate 4 is also provided with a rotating hole and a positioning structure. In one embodiment, referring to fig. 3, the positioning structure may be a circular arc positioning slot 16 with the rotation hole as the center. In another embodiment, referring to fig. 1 and 2, the positioning structure may be a plurality of positioning holes 14 disposed on an arc centered on the rotation hole.
The rotation hole bolt 13 is fitted with the rotation hole, the rotation plate positioning bolt 15 is fitted with the positioning structure, and the rotation plate 4 is fixed to the upper portion of the telescopic link assembly via the rotation hole bolt 13 and the rotation plate positioning bolt 15.
According to an embodiment of the present invention, the arc angle of the arc-shaped positioning groove 16 is 90 ° to 120 °. In a preferred embodiment, the rotating plate 4 is provided with a scale for marking the arc angle of the arc-shaped positioning slot 16.
According to an embodiment of the present invention, the angle between the positioning holes 14 at the two ends of the circular arc using the rotation hole as the center is 90-120 °.
According to an embodiment of the invention, the rotation plate 4 comprises a sector plate portion and a mounting plate portion connected, the rotation hole and the positioning structure being provided in the sector plate portion, and the mounting hole being provided in the mounting plate portion.
According to an embodiment of the invention, the sector plate portion and the mounting plate portion are in the same plane.
According to another embodiment of the invention, the sector plate portion and the mounting plate portion are in different planes. In a specific embodiment, the angle between the sector plate portion and the mounting plate portion is 90 °.
According to an embodiment of the present invention, the displacement sensor fixing device of the present invention further includes a fixing plate 2. The fixed plate 2 is fitted with the mounting hole to fix the displacement sensor 1 to the mounting plate portion of the rotating plate 4.
According to an embodiment of the present invention, the telescopic rod assembly comprises a first telescopic rod 9, a second telescopic rod 7, a third telescopic rod 5, a first locking nut 8 and a second locking nut 6. The lower end of the first telescopic rod 9 is mounted on the base 11, and the rotating plate 4 is mounted on the third telescopic rod 5. The diameter of the first telescopic rod 9 is larger than that of the second telescopic rod 7, the diameter of the second telescopic rod 7 is larger than that of the third telescopic rod 5, the first telescopic rod 9 and the second telescopic rod 7 are fastened through a first locking nut 8, and the second telescopic rod 7 and the third telescopic rod 5 are fastened through a second locking nut 6.
According to an embodiment of the present invention, the displacement sensor fixing device of the present invention further includes a level 10 provided on the base 11. The levelness of the base 11 can affect the stability of the displacement sensor fixing device and the precision of the displacement sensor 1, so that the levelness of the base 11 is ensured by arranging the level gauge 10, and the stability and the precision are further improved.
According to an embodiment of the present invention, the rotating plate 4 is provided with 5 to 10 positioning holes. In the embodiment shown in fig. 1 and 2, the rotary plate 4 is provided with 6 positioning holes.
According to an embodiment of the present invention, the positioning holes may be disposed at equal angles or at specific angles as required.
When the displacement sensor fixing device is used for fixing the displacement sensor, the adjusting support legs 12 are rotated firstly, and the base 11 is kept horizontal through observation of the level gauge 10; then, the displacement sensor 1 is fixed to the mounting plate portion of the rotating plate 4 through the fixing plate 2 and the mounting hole and by means of the displacement sensor mounting bolt 3, and the height of the telescopic rod assembly is adjusted by the third telescopic rod 5, the second locking nut 6, the first telescopic rod 9, the first locking nut 8 and the second telescopic rod 7, so that the displacement sensor 1 is located at a proper position and fixed.
Referring to fig. 1, when a vertical test is required, the rotating plate 4 is adjusted so that the displacement sensor 1 is vertically fastened to the rotating hole bolt 13 and the rotating plate positioning bolt 15.
Referring to fig. 2, if the test direction of the displacement sensor 1 needs to be adjusted, the rotating plate positioning bolt 15 of the rotating plate 4 is removed, the rotating hole bolt 13 is loosened, the position of the rotating plate 4 is adjusted, and the rotating hole bolt 13 and the rotating plate positioning bolt 15 are fastened after the displacement sensor 1 is located at the longitudinal test position.
With the positioning structure shown in fig. 3, operation is substantially the same as described above with respect to fig. 1 and 2.
In addition, the test requirement of multiple measuring angles can be completed by installing different positions of the positioning holes 14 or selecting the angle of the circular arc positioning groove 16. Final confirmation of the displacement sensor 1 angle is required after installation to ensure installation accuracy.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A displacement sensor fixing device comprises a base (11), an adjusting support leg (12), a telescopic rod assembly, a rotating plate (4), a rotating hole bolt (13) and a rotating plate positioning bolt (15); wherein:
the adjusting support leg (12) is arranged at the bottom of the base (11) to adjust the level of the base (11);
the telescopic rod assembly comprises at least 2 telescopic rods and locking nuts for fastening the at least 2 telescopic rods, and the lower end of the telescopic rod assembly is mounted on the base (11);
the rotating plate (4) is provided with a mounting hole for mounting the displacement sensor (1); and
the rotating plate (4) is also provided with a rotating hole and a positioning structure, and the positioning structure is an arc-shaped positioning groove (16) taking the rotating hole as the center of a circle or a plurality of positioning holes (14) arranged on an arc taking the rotating hole as the center of a circle; wherein the rotation hole bolt (13) is matched with the rotation hole, the rotation plate positioning bolt (15) is matched with the positioning structure, and the rotation plate (4) is fixed on the upper part of the telescopic rod assembly through the rotation hole bolt (13) and the rotation plate positioning bolt (15).
2. The displacement sensor fixing device according to claim 1, wherein the arc angle of the arc-shaped positioning groove (16) is 90 ° to 120 °.
3. The displacement sensor fixing device according to claim 2, wherein the rotating plate (4) is provided with a scale for identifying the arc angle of the arc positioning groove (16).
4. The displacement sensor fixing device according to claim 1, wherein an angle between the positioning holes (14) at both ends of the circular arc centered on the rotation hole is 90 ° to 120 °.
5. Displacement sensor fixing device according to any one of claims 1 to 4, wherein the rotating plate (4) comprises a sector-shaped plate portion and a mounting plate portion connected, the rotation aperture and the positioning structure being provided in the sector-shaped plate portion and the mounting aperture being provided in the mounting plate portion.
6. The displacement sensor fixing device of claim 5, wherein the sector plate portion and the mounting plate portion are on the same plane.
7. The displacement sensor fixing device according to claim 5, wherein the displacement sensor fixing device further comprises a fixing plate (2), the fixing plate (2) cooperating with the mounting hole to fix the displacement sensor (1) to the mounting plate portion of the rotating plate (4).
8. The displacement sensor fixing device according to any one of claims 1 to 4, the telescopic rod component comprises a first telescopic rod (9), a second telescopic rod (7), a third telescopic rod (5), a first locking nut (8) and a second locking nut (6), the lower end of the first telescopic rod (9) is arranged on the base (11), the rotating plate (4) is arranged on the third telescopic rod (5), the diameter of the first telescopic rod (9) is larger than that of the second telescopic rod (7), the diameter of the second telescopic rod (7) is larger than that of the third telescopic rod (5), the first telescopic rod (9) and the second telescopic rod (7) are fastened through the first locking nut (8), the second telescopic rod (7) and the third telescopic rod (5) are fastened through the second locking nut (6).
9. The displacement sensor fixing device according to any one of claims 1 to 4, further comprising a level (10) provided on the base (11).
10. The displacement sensor fixing device according to any one of claims 1 to 4, wherein the rotating plate (4) is provided with 5 to 10 positioning holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724956.9A CN112344892A (en) | 2019-08-07 | 2019-08-07 | Displacement sensor fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724956.9A CN112344892A (en) | 2019-08-07 | 2019-08-07 | Displacement sensor fixing device |
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| Publication Number | Publication Date |
|---|---|
| CN112344892A true CN112344892A (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910724956.9A Pending CN112344892A (en) | 2019-08-07 | 2019-08-07 | Displacement sensor fixing device |
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| CN (1) | CN112344892A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586890A (en) * | 2021-08-11 | 2021-11-02 | 江苏标普检测科技有限公司 | Noise detection device for noise detection |
-
2019
- 2019-08-07 CN CN201910724956.9A patent/CN112344892A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586890A (en) * | 2021-08-11 | 2021-11-02 | 江苏标普检测科技有限公司 | Noise detection device for noise detection |
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