CN112113534A - Rod piece deformation measuring device - Google Patents
Rod piece deformation measuring device Download PDFInfo
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- CN112113534A CN112113534A CN201910536454.3A CN201910536454A CN112113534A CN 112113534 A CN112113534 A CN 112113534A CN 201910536454 A CN201910536454 A CN 201910536454A CN 112113534 A CN112113534 A CN 112113534A
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- rod
- piece
- auxiliary support
- self
- measured
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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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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a rod piece deformation measuring device. The device includes: the device comprises a telescopic reference rod, an auxiliary support, a fixing device and a range finder; the auxiliary support includes: the self-resetting rod, the end steering rod and the two connecting pieces are arranged on the outer side of the steering rod; the self-resetting rod can freely stretch out and draw back; end steering rods are arranged at two ends of the self-resetting rod; one end of the end steering rod is connected with the self-resetting rod, and the other end of the end steering rod is connected with a connecting piece; the end steering rod is used for automatically adjusting the direction of the connecting piece according to the deformation of the rod piece to be measured; one of the two connecting pieces is sleeved on the telescopic reference rod, and the other connecting piece is used for being sleeved on the rod piece to be measured; the fixing device is fixed on a connecting piece at the bottom end of the auxiliary support; the range finder is fixed on the fixing device. The bending deformation degree of the rod piece to be measured can be measured by applying the invention.
Description
Technical Field
The application relates to the technical field of civil engineering measurement, in particular to a rod piece deformation measuring device.
Background
In truss structures such as steel roof trusses of industrial plants, after long-term use, various rod members can be bent, and particularly, the web members are the most common. For such compression rods with bi-directional bending defects, it is often necessary to determine the residual tensile load-bearing capacity, and in a refined model, the specific shape of the rod is required. Therefore, the method and the device capable of measuring the deformation of the rod piece are the key for solving the problem of building a calculation analysis model after the deformation of the rod piece. However, the prior art does not propose a device capable of conveniently measuring the deformation of the rod.
Disclosure of Invention
In view of this, the present invention provides a rod deformation measuring device, so as to measure the bending deformation degree of the rod to be measured.
The technical scheme of the invention is realized as follows:
a bar deformation measuring device, the device comprising: the device comprises a telescopic reference rod, an auxiliary support, a fixing device and a range finder;
the auxiliary support includes: the self-resetting rod, the end steering rod and the two connecting pieces are arranged on the outer side of the steering rod;
the self-resetting rod can freely stretch out and draw back; end steering rods are arranged at two ends of the self-resetting rod;
one end of the end steering rod is connected with the self-resetting rod, and the other end of the end steering rod is connected with a connecting piece; the end steering rod is used for automatically adjusting the direction of the connecting piece according to the deformation of the rod piece to be measured;
one of the two connecting pieces is sleeved on the telescopic reference rod, and the other connecting piece is used for being sleeved on the rod piece to be measured;
the fixing device is fixed on a connecting piece at the bottom end of the auxiliary support;
the range finder is fixed on the fixing device.
Further, the connector includes: an annular sleeve and an elastic bolt;
the annular sleeve is fixedly connected with the end steering rod; the annular sleeve is used for being sleeved on the telescopic reference rod or the rod piece to be tested;
elastic bolts penetrate through the top and the bottom of the annular sleeve; the elastic bolt is used for enabling the annular sleeve to be in contact with the telescopic reference rod or the rod piece to be detected and can slide along the telescopic reference rod or the rod piece to be detected.
Further, the fixing device includes: a base and a device securing ring;
the base is fixed on the auxiliary support;
the device fixing ring is arranged at the top of the base and used for fixing the range finder.
Further, the end steering rod is cylindrical; one end of the end steering rod is sleeved on the self-resetting rod, and the other end of the end steering rod is connected with the middle part of the connecting piece.
Furthermore, the telescopic reference rod is composed of a plurality of sections of rod pieces which are nested with each other.
Furthermore, scales are arranged on the telescopic reference rod.
As can be seen from the above, in the rod deformation measuring device of the present invention, since the retractable reference rod can be installed at two ends of the rod to be measured, two ends of the auxiliary support are respectively connected to the retractable reference rod and the rod to be measured, and the distance meter is installed on the auxiliary support, the auxiliary support can be moved, so that two ends of the auxiliary support respectively slide on the retractable reference rod and the rod to be measured, and in the moving process of the auxiliary support, corresponding data is measured by the distance meter, and then corresponding calculation is performed according to the obtained data, so that the bending deformation degree of the rod to be measured can be obtained. Therefore, by using the rod member deformation measuring device, the bending deformation degree of the rod member to be measured can be measured in the deformation plane.
In addition, the rod deformation measuring device is simple in structure, convenient to maintain and carry, easy to operate, easy to install, high in measuring precision, simple and convenient in method and intuitive in reading, and can support relevant field investigation and measurement work to the maximum extent.
Drawings
Fig. 1 is a schematic structural diagram of a bar deformation measuring device according to an embodiment of the present invention.
Fig. 2 is a schematic view of a telescopic reference bar in an embodiment of the invention.
Fig. 3 is a perspective view of an auxiliary support according to an embodiment of the present invention.
Fig. 4 is a schematic elevational view of an auxiliary support in an embodiment of the invention.
Fig. 5 is a perspective view of a fixing device of a distance measuring instrument according to an embodiment of the invention.
FIG. 6 is a schematic elevation view of a rangefinder fixture in an embodiment of the invention.
Detailed Description
In order to make the technical scheme and advantages of the invention more apparent, the invention is further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 6, the rod deformation measuring device in the embodiment of the present invention includes: the telescopic reference rod 11, the auxiliary support 12, the fixing device 13 and the range finder;
wherein the auxiliary support 11 comprises: a self-return lever 21, an end steering lever 22 and two links 23;
the self-resetting rod 21 can freely stretch and retract; end steering rods 22 are arranged at two ends of the self-resetting rod 21;
one end of the end steering rod 22 is connected with the self-resetting rod 21, and the other end is connected with a connecting piece 23; the end steering rod 22 is used for automatically adjusting the direction of the connecting piece 23 according to the deformation of the rod piece to be measured;
one of the two connecting pieces is sleeved on the telescopic reference rod 11, and the other connecting piece is used for being sleeved on the rod piece to be measured 10;
the fixing device 13 is fixed on a connecting piece 23 at the bottom end of the auxiliary support 12;
the distance meter is fixed to the fixing device 13.
When the rod deformation measuring device is used for measuring the bending deformation of the rod piece to be measured, the telescopic reference rods can be arranged at two ends of the rod piece to be measured (for example, two ends of the telescopic reference rods can be respectively fixed at two ends of the rod piece to be measured in a binding mode), then one connecting piece of the auxiliary support is sleeved on the telescopic reference rods, the other connecting piece is used for being sleeved on the rod piece to be measured, and the measuring instrument range finder is arranged on the fixing device on the auxiliary support; and finally, moving the auxiliary support, so that the two connecting pieces of the auxiliary support respectively slide on the telescopic reference rod and the rod piece to be measured, measuring corresponding data (for example, data such as a distance value from the distance measuring instrument to the rod piece to be measured) by using the distance measuring instrument in the moving process of the auxiliary support, and performing corresponding calculation according to the obtained data to obtain the bending deformation degree of the rod piece to be measured.
In addition, in the technical solution of the present invention, there are various specific implementation manners of the connecting member, and one of the specific implementation manners will be taken as an example to describe the technical solution of the present invention.
For example, in a preferred embodiment of the present invention, the connecting member comprises: an annular sleeve and an elastic bolt;
the annular sleeve is fixedly connected with the end steering rod; the annular sleeve is used for being sleeved on the telescopic reference rod or the rod piece to be tested;
elastic bolts penetrate through the top and the bottom of the annular sleeve; the elastic bolt is used for enabling the annular sleeve to be in contact with the telescopic reference rod or the rod piece to be detected and can slide along the telescopic reference rod or the rod piece to be detected.
By using the connecting piece, two ends of the auxiliary support can be respectively connected with the telescopic reference rod and the rod piece to be tested.
In addition, in the technical solution of the present invention, the fixing device may also have a plurality of specific implementations, and one of the specific implementations will be taken as an example to describe the technical solution of the present invention.
For example, preferably, as shown in fig. 5 and 6, in one embodiment of the present invention, the fixing device 13 includes: a base 31 and a device fixing ring 32;
the base 31 is fixed on the auxiliary support 12; for example, the bottom of the base 31 may be fixed to the auxiliary support 12 by bolts;
the device fixing ring 32 is disposed on the top of the base 31 for fixing the distance meter.
In addition, preferably, in an embodiment of the present invention, the telescopic reference rod is composed of a plurality of rod pieces nested in each other, and thus can be extended and retracted in the axial direction, as shown in fig. 2, so that the length of the telescopic reference rod can be adjusted according to practical application. In addition, each rod piece of the telescopic reference rod can adopt a preset fixed length, so that the bending deformation position is conveniently positioned.
In addition, preferably, in an embodiment of the present invention, the end steering rod is cylindrical; one end of the end steering rod is sleeved on the self-resetting rod, and the other end of the end steering rod is connected with the middle part of the connecting piece. Therefore, the cylindrical end steering rod can rotate correspondingly along with the resistance of the connecting piece during movement, so that the direction of the automatic adjusting connecting piece is adjusted, and the connecting piece can smoothly slide along the telescopic reference rod or the rod piece to be measured.
In addition, preferably, in an embodiment of the present invention, the retractable reference bar is provided with a scale, so as to facilitate checking deformation at different positions.
In summary, in the technical solution of the present invention, because the retractable reference rod of the rod deformation measuring device can be installed at two ends of the rod to be measured, two ends of the auxiliary support are respectively connected to the retractable reference rod and the rod to be measured, and the distance meter is installed on the auxiliary support, the auxiliary support can be moved, so that two ends of the auxiliary support respectively slide on the retractable reference rod and the rod to be measured, and during the moving process of the auxiliary support, corresponding data is measured by the distance meter, and then corresponding calculation is performed according to the obtained data, so that the bending deformation degree of the rod to be measured can be obtained. Therefore, by using the rod member deformation measuring device, the bending deformation degree of the rod member to be measured can be measured in the deformation plane.
In addition, the rod deformation measuring device is simple in structure, convenient to maintain and carry, easy to operate, easy to install, high in measuring precision, simple and convenient in method and intuitive in reading, and can support relevant field investigation and measurement work to the maximum extent.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A bar deformation measuring device, characterized in that it comprises: the device comprises a telescopic reference rod, an auxiliary support, a fixing device and a range finder;
the auxiliary support includes: the self-resetting rod, the end steering rod and the two connecting pieces are arranged on the outer side of the steering rod;
the self-resetting rod can freely stretch out and draw back; end steering rods are arranged at two ends of the self-resetting rod;
one end of the end steering rod is connected with the self-resetting rod, and the other end of the end steering rod is connected with a connecting piece; the end steering rod is used for automatically adjusting the direction of the connecting piece according to the deformation of the rod piece to be measured;
one of the two connecting pieces is sleeved on the telescopic reference rod, and the other connecting piece is used for being sleeved on the rod piece to be measured;
the fixing device is fixed on a connecting piece at the bottom end of the auxiliary support;
the range finder is fixed on the fixing device.
2. The apparatus of claim 1, wherein the connector comprises: an annular sleeve and an elastic bolt;
the annular sleeve is fixedly connected with the end steering rod; the annular sleeve is used for being sleeved on the telescopic reference rod or the rod piece to be tested;
elastic bolts penetrate through the top and the bottom of the annular sleeve; the elastic bolt is used for enabling the annular sleeve to be in contact with the telescopic reference rod or the rod piece to be detected and can slide along the telescopic reference rod or the rod piece to be detected.
3. The device of claim 1, wherein the securing device comprises: a base and a device securing ring;
the base is fixed on the auxiliary support;
the device fixing ring is arranged at the top of the base and used for fixing the range finder.
4. The apparatus of claim 1, wherein:
the end steering rod is cylindrical; one end of the end steering rod is sleeved on the self-resetting rod, and the other end of the end steering rod is connected with the middle part of the connecting piece.
5. The apparatus of claim 1, wherein:
the telescopic reference rod is composed of a plurality of sections of rod pieces which are nested with each other.
6. The apparatus of claim 1, wherein:
scales are arranged on the telescopic reference rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536454.3A CN112113534A (en) | 2019-06-20 | 2019-06-20 | Rod piece deformation measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536454.3A CN112113534A (en) | 2019-06-20 | 2019-06-20 | Rod piece deformation measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112113534A true CN112113534A (en) | 2020-12-22 |
Family
ID=73795874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910536454.3A Pending CN112113534A (en) | 2019-06-20 | 2019-06-20 | Rod piece deformation measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112113534A (en) |
-
2019
- 2019-06-20 CN CN201910536454.3A patent/CN112113534A/en active Pending
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