A rod deformation measuring device

Abstract

This invention provides a rod deformation measuring device. The device includes: a telescopic reference rod, an auxiliary support, a fixing device, and a rangefinder; the auxiliary support includes: a self-resetting rod, an end steering rod, and two connecting parts; the self-resetting rod is freely telescopic; both ends of the self-resetting rod are provided with end steering rods; one end of the end steering rod is connected to the self-resetting rod, and the other end is connected to a connecting part; the end steering rod is used to automatically adjust the direction of the connecting part according to the magnitude of the deformation of the rod to be measured; one of the two connecting parts is sleeved on the telescopic reference rod, and the other connecting part is sleeved on the rod to be measured; the fixing device is fixed to one of the connecting parts at the bottom end of the auxiliary support; the rangefinder is fixed to the fixing device. This invention can be used to measure the degree of bending deformation of the rod to be measured.

Description

Technical Field

[0001] This application relates to the field of civil engineering surveying technology, and in particular to a rod deformation measuring device. Background Technology

[0002] In truss structures such as steel roof trusses in industrial plants, various bending phenomena occur in members after long-term use, especially in web members. For compression members with bidirectional bending defects, it is often necessary to determine their remaining tensile bearing capacity, which requires the specific shape of the member in a refined model. Therefore, employing a method and device to measure member deformation is crucial for establishing a computational analysis model after member deformation. However, existing technologies do not offer a convenient device for measuring member deformation. Summary of the Invention

[0003] In view of this, the present invention provides a rod deformation measuring device, which can measure the degree of bending deformation of the rod under test.

[0004] The technical solution of this invention is implemented as follows:

[0005] A rod deformation measuring device, the device comprising: a telescopic reference rod, an auxiliary support, a fixing device, and a rangefinder;

[0006] The auxiliary support includes: a self-resetting rod, an end steering rod, and two connecting parts;

[0007] The self-resetting rod can extend and retract freely; both ends of the self-resetting rod are provided with end steering rods.

[0008] One end of the end steering rod is connected to the self-resetting rod, and the other end is connected to a connector; the end steering rod is used to automatically adjust the direction of the connector according to the magnitude of the deformation of the rod to be tested;

[0009] One of the two connectors is fitted onto the telescopic reference rod, and the other connector is fitted onto the rod to be tested.

[0010] The fixing device is fixed to a connector at the bottom end of the auxiliary support;

[0011] The rangefinder is fixed to the fixed device.

[0012] Furthermore, the connector includes: an annular sleeve and a resilient bolt;

[0013] The annular sleeve is fixedly connected to the end steering rod; the annular sleeve is used to be fitted onto the retractable reference rod or the rod to be measured.

[0014] The top and bottom of the annular sleeve are both provided with elastic bolts; the elastic bolts are used to make the annular sleeve contact the retractable reference rod or the rod to be tested and to slide along the retractable reference rod or the rod to be tested.

[0015] Furthermore, the fixing device includes: a base and a device fixing ring;

[0016] The base is fixed to the auxiliary support;

[0017] The device retaining ring is located on the top of the base and is used to fix the rangefinder.

[0018] Furthermore, the end steering rod is cylindrical; one end of the end steering rod is sleeved on the self-resetting rod, and the other end is connected to the middle of the connector.

[0019] Furthermore, the retractable reference rod is composed of multiple nested rod segments.

[0020] Furthermore, the retractable reference rod is provided with a scale.

[0021] As can be seen above, in the rod deformation measuring device of the present invention, since the telescopic reference rod can be installed at both ends of the rod to be measured, and the two ends of the auxiliary support are respectively connected to the telescopic reference rod and the rod to be measured, and a rangefinder is installed on the auxiliary support, the auxiliary support can be moved so that the two ends of the auxiliary support slide on the telescopic reference rod and the rod to be measured, respectively. During the movement of the auxiliary support, the corresponding data is measured by the rangefinder, and after performing corresponding calculations based on the obtained data, the degree of bending deformation of the rod to be measured can be determined. Therefore, by using the above-mentioned rod deformation measuring device, the degree of bending deformation of the rod to be measured can be measured in the deformation plane.

[0022] In addition, the rod deformation measuring device of the present invention has a simple structure, is easy to maintain and carry, is easy to operate and install, has high measurement accuracy, is simple to use and provides intuitive readings, and can support relevant field investigation and measurement work to the greatest extent. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the rod deformation measuring device in an embodiment of the present invention.

[0024] Figure 2 This is a schematic diagram of the retractable reference rod in an embodiment of the present invention.

[0025] Figure 3 This is a three-dimensional schematic diagram of the auxiliary support in an embodiment of the present invention.

[0026] Figure 4 This is a schematic elevation view of the auxiliary support in an embodiment of the present invention.

[0027] Figure 5 This is a perspective view of the rangefinder fixing device in an embodiment of the present invention.

[0028] Figure 6 This is a schematic elevation view of the rangefinder fixing device in an embodiment of the present invention. Detailed Implementation

[0029] To make the technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] like Figures 1-6 As shown, the rod deformation measuring device in this embodiment of the invention includes: a telescopic reference rod 11, an auxiliary support 12, a fixing device 13, and a rangefinder;

[0031] The auxiliary support 11 includes: a self-resetting rod 21, an end steering rod 22, and two connecting pieces 23;

[0032] The self-resetting rod 21 can extend and retract freely; both ends of the self-resetting rod 21 are provided with end steering rods 22;

[0033] One end of the end steering rod 22 is connected to the self-resetting rod 21, and the other end is connected to a connector 23; the end steering rod 22 is used to automatically adjust the direction of the connector 23 according to the magnitude of the deformation of the rod to be tested;

[0034] One of the two connectors is sleeved on the telescopic reference rod 11, and the other connector is sleeved on the rod to be tested 10.

[0035] The fixing device 13 is fixed to a connector 23 at the bottom end of the auxiliary support 12;

[0036] The rangefinder is fixed to the fixing device 13.

[0037] When measuring the bending deformation of a rod under test using the aforementioned rod deformation measuring device, a telescopic reference rod can be installed at both ends of the rod under test (for example, the two ends of the telescopic reference rod can be fixed to the two ends of the rod under test by binding). Then, one connector of the auxiliary support is fitted onto the telescopic reference rod, and the other connector is fitted onto the rod under test. A measuring instrument rangefinder is installed on the fixing device on the auxiliary support. Finally, the auxiliary support is moved so that the two connectors of the auxiliary support slide on the telescopic reference rod and the rod under test, respectively. During the movement of the auxiliary support, the corresponding data (e.g., the distance from the measuring instrument rangefinder to the rod under test) is measured by the measuring instrument rangefinder. After performing the corresponding calculations based on the obtained data, the degree of bending deformation of the rod under test can be determined.

[0038] Furthermore, in the technical solution of the present invention, the connector can be implemented in various ways. The following will take one of the specific implementations as an example to introduce the technical solution of the present invention.

[0039] For example, preferably, in one specific embodiment of the present invention, the connector includes: an annular sleeve and a resilient bolt;

[0040] The annular sleeve is fixedly connected to the end steering rod; the annular sleeve is used to be fitted onto the retractable reference rod or the rod to be measured.

[0041] The top and bottom of the annular sleeve are both provided with elastic bolts; the elastic bolts are used to make the annular sleeve contact the retractable reference rod or the rod to be tested and to slide along the retractable reference rod or the rod to be tested.

[0042] By using the aforementioned connectors, the two ends of the auxiliary support can be connected to the telescopic reference rod and the rod to be measured, respectively.

[0043] In addition, the fixing device can be implemented in various ways in the technical solution of the present invention. The following will take one of the specific implementation methods as an example to introduce the technical solution of the present invention.

[0044] For example, better, such as Figure 5 and Figure 6 As shown, in a specific embodiment of the present invention, the fixing device 13 includes: a base 31 and a device fixing ring 32;

[0045] The base 31 is fixed to the auxiliary support 12; for example, the bottom of the base 31 can be fixed to the auxiliary support 12 by bolts.

[0046] The device fixing ring 32 is disposed on the top of the base 31 and is used to fix the rangefinder.

[0047] Furthermore, preferably, in one specific embodiment of the present invention, the retractable reference rod is composed of multiple nested rod segments, thus allowing it to extend and retract axially, such as... Figure 2 As shown, the length of the telescopic reference rod can be adjusted according to the actual application. Furthermore, each member of the telescopic reference rod can also have a preset fixed length, thus facilitating the location of bending deformation.

[0048] Furthermore, in a preferred 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 is connected to the middle of the connector. Therefore, the cylindrical end steering rod can rotate accordingly with the resistance encountered by the connector during movement, thereby adjusting the direction of the automatically adjusting connector, so that the connector can slide relatively smoothly along the telescopic reference rod or the rod to be measured.

[0049] In addition, preferably, in one specific embodiment of the present invention, the retractable reference rod is provided with a scale, thereby facilitating the verification of deformation at different positions.

[0050] In summary, in the technical solution of this invention, since the telescopic reference rod of the rod deformation measuring device can be installed at both ends of the rod to be measured, and the two ends of the auxiliary support are respectively connected to the telescopic reference rod and the rod to be measured, and a rangefinder is installed on the auxiliary support, the auxiliary support can be moved so that its two ends slide on the telescopic reference rod and the rod to be measured, respectively. During the movement of the auxiliary support, the corresponding data is measured by the rangefinder, and after performing corresponding calculations based on the obtained data, the degree of bending deformation of the rod to be measured can be determined. Therefore, by using the above-mentioned rod deformation measuring device, the degree of bending deformation of the rod to be measured can be measured within the deformation plane.

[0051] In addition, the rod deformation measuring device of the present invention has a simple structure, is easy to maintain and carry, is easy to operate and install, has high measurement accuracy, is simple to use and provides intuitive readings, and can support relevant field investigation and measurement work to the greatest extent.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A rod deformation measuring device, characterized in that, The device includes: a telescopic reference rod, auxiliary support, fixing device, and rangefinder; The auxiliary support includes: a self-resetting rod, an end steering rod, and two connecting parts; The self-resetting rod can extend and retract freely; both ends of the self-resetting rod are provided with end steering rods. The end steering rod is cylindrical; one end of the end steering rod is sleeved on the self-resetting rod, and the other end is connected to the middle of a connector; the end steering rod is used to automatically adjust the direction of the connector according to the magnitude of the deformation of the rod to be tested; One of the two connectors is fitted onto the telescopic reference rod, and the other connector is fitted onto the rod to be tested; when the auxiliary support is moved, the two connectors slide on the telescopic reference rod and the rod to be tested, respectively. The fixing device is fixed to a connector at the bottom end of the auxiliary support; The rangefinder is fixed to the fixed device.

2. The apparatus according to claim 1, characterized in that, The connector includes: an annular sleeve and a resilient bolt; The annular sleeve is fixedly connected to the end steering rod; the annular sleeve is used to be fitted onto the retractable reference rod or the rod to be measured. The top and bottom of the annular sleeve are both provided with elastic bolts; the elastic bolts are used to make the annular sleeve contact the retractable reference rod or the rod to be tested and to slide along the retractable reference rod or the rod to be tested.

3. The apparatus according to claim 1, characterized in that, The fixing device includes: a base and a device fixing ring; The base is fixed to the auxiliary support; The device retaining ring is located on the top of the base and is used to fix the rangefinder.

4. The apparatus according to claim 1, characterized in that: The retractable reference rod is composed of multiple nested rod segments.

5. The apparatus according to claim 1, characterized in that: The retractable reference rod is equipped with a scale.

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