Structural deflection testing tool
By designing the cylinder, iron block, and support structure, the problems of easy jamming and shaking of the measuring instrument were solved, thus achieving accuracy and stability in structural deflection testing.
Patent Information
- Application Number
- CN202520161753.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-23
AI Technical Summary
In existing technologies, when testing structural deflection, the measuring instruments are prone to jamming and shaking during testing, which affects the accuracy of the measurement results.
A structural deflection testing tool was designed, including a cylinder, an iron block, a bottom cover, and a support. The cylinder is equipped with an openable top cover and a hook. The outer surface of the bottom cover is provided with concave and convex points to increase friction. The iron block increases weight. The support consists of a base, a vertical rod, and a sleeve. The sleeve is used to fix the cylinder to prevent it from swinging. The support is connected to the ground to ensure the stability of the measuring instrument.
It enables rapid and accurate instrument installation and connection, reduces the impact of wind load, and improves the accuracy of testing.
Smart Images
Figure CN223678754U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of building engineering detection technology, and specifically relates to a structural deflection testing tool. BACKGROUND
[0002] At present, when the structural deflection of similar viaducts, wharfs, house buildings and the like is tested by adopting a dial gauge and a displacement meter, a wire is hung from the beam bottom to the ground, and then a measuring instrument dial gauge or displacement meter is installed on the ground, the auxiliary equipment for supporting the measuring instrument is different, most detection units adopt the hook of an old-fashioned beam balance plus a weight for auxiliary testing, the hook is hung on the bridge building structure through a steel wire rope, and then the pointer of the measuring instrument is supported on the bottom of the hook, the deflection of the structure is measured by the common movement of the hook and the structure and the reading of the measuring instrument. However, the method has the defect that the measuring instrument head is easily stuck, and the accuracy of the measurement result is affected by the shaking during the test. SUMMARY
[0003] The utility model discloses a structural deflection testing tool which can quickly and accurately install and fix a measuring instrument and improve the testing accuracy.
[0004] The utility model discloses the technical scheme as follows:
[0005] A structural deflection testing tool, comprising a cylinder, an iron block, a bottom cover and a support, characterized in that: the cylinder is a hollow cylindrical structure, has a dead space in the inside, a top cover that can be opened and closed is arranged at the top end of the cylinder, a hook is arranged on the top cover, the bottom cover is installed at the bottom end of the cylinder and seals the bottom end of the cylinder, the iron block is arranged in the cylinder and fixed on the bottom cover, the support comprises a base, a vertical rod and a sleeve, the base is placed on the ground, the vertical rod is vertically installed at the axial position of the base, a sleeve pipe is arranged on the vertical rod and can move up and down along the vertical rod, a locking mechanism is arranged on the sleeve pipe and used for locking and positioning the sleeve pipe on the vertical rod, the sleeve is connected with the sleeve pipe through a horizontal rod, and the sleeve is arranged in parallel with the vertical rod, and the cylinder is inserted into the sleeve.
[0006] Further, the outer surface of the bottom cover is provided with concave-convex points.
[0007] Further, the base is a square iron sheet or steel sheet.
[0008] Further, the sleeve is a hollow pipe, and the diameter of the sleeve is greater than that of the cylinder.
[0009] Further, the length of the sleeve is equal to or greater than that of the cylinder.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] This utility model has a simple structure and is easy to operate. By setting up a cylinder and sleeve structure and adding a counterweight inside the cylinder, the cylinder can be quickly and accurately connected to the measuring instrument. Moreover, the connection is stable and reliable, and is less affected by wind load, thus improving the accuracy of the test. Attached Figure Description
[0012] Appendix Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] Appendix Figure 2 It is attached Figure 1 A three-dimensional view of the cylinder shown;
[0014] Appendix Figure 3 It is attached Figure 1 A cross-sectional schematic diagram of the cylinder shown. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. In the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and embodiments.
[0016] like Figures 1-3 As shown, a structural deflection testing tool includes a cylinder 1, an iron block 2, a bottom cover 3, and a support 5. The cylinder 1 is a hollow cylindrical structure made of stainless steel and has a hysteresis space inside. A closable top cover 11 is provided at the top of the cylinder 1, and a hook 12 is provided on the top cover 11. The entire cylinder 1 can be suspended from structures such as bridges, docks, and buildings by the hook. The bottom cover 3 is installed at the bottom of the cylinder 1 and closes the bottom of the cylinder 1. The outer surface of the bottom cover 3 is provided with concave and convex points to increase the contact friction between the bottom cover 3 and the probe 4 of the measuring instrument. The measuring instrument includes instruments such as dial gauges and displacement gauges. In use, the probe 4 of the measuring instrument is held against the lower end of the bottom cover 3, and the reading of the measuring instrument is the reading of the structural deflection test. In order to increase the weight of the cylinder 1 and prevent the cylinder 1 from being blown and swayed by the wind, the iron block 2 is placed inside the cylinder 1 and fixed on the bottom cover 3. The iron block 2 can effectively increase the weight of the cylinder 1.
[0017] The support 5 comprises a base 51, a vertical rod 52 and a sleeve 53, the base 51 is a square iron sheet or steel sheet, the base 51 has a certain weight, the base 51 is placed on the ground, the vertical rod 52 is vertically installed at the axial position of the base 51, a sleeve 54 is arranged on the vertical rod 52, the sleeve 54 can move up and down along the vertical rod 52, a locking mechanism is arranged on the sleeve 54, and the locking mechanism is used for locking and positioning the sleeve 54 on the vertical rod 52, the sleeve 53 is connected with the sleeve 54 through a horizontal rod 55, the sleeve 53 is arranged in parallel with the vertical rod 52, the sleeve 53 is a hollow pipe, the diameter of the sleeve 53 is greater than that of the cylinder body 1, the cylinder body 1 can be inserted into the sleeve 53, the sleeve 53 is used for preventing the cylinder body 1 from swinging due to wind blowing, the length of the sleeve 53 is equal to or greater than the length of the cylinder body 1, and in use, the cylinder body 1 is preferably completely inserted into the sleeve 53.
[0018] The use principle of the utility model is as follows:
[0019] According to the requirement of the structural deflection test, the test is preferably performed under the weather condition that the wind is less than 3 levels, in the test, the cylinder body 1 is hung on the structure such as a bridge, a wharf, a building and the like above through the hook of the top cover 11 by using a steel wire rope, the cylinder body 1 naturally drops down, the height between the cylinder body 1 and the ground is adjusted, after the cylinder body 1 is static, the support 5 is placed below the cylinder body 1, the position of the sleeve 53 is adjusted, the cylinder body 1 is completely inserted into the sleeve 53, then the measuring instrument is placed below the cylinder body 1, the height of the measuring instrument is adjusted, the measuring head 4 of the measuring instrument is supported at the bottom end of the bottom cover 3, then the measuring instrument is zeroed, and the test can be started, according to the reading of the measuring instrument, the data of the structural deflection can be measured.
[0020] The utility model discloses simple structure, convenient operation, through setting up cylinder body and sleeve structure, can fast accurate with measuring instrument connection, and connection is firm and reliable, and the influence of wind load is small, and the accuracy of test is improved greatly.
[0021] The above only is the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the utility model specification content, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.
Claims
1. A structural deflection testing tool comprising a barrel, a weight, a bottom cap and a stand, characterized in that: The cylinder is a hollow cylindrical structure, and has a containing space inside. A top cover is arranged at the top end of the cylinder, and a hook is arranged on the top cover. A bottom cover is arranged at the bottom end of the cylinder and seals the bottom end of the cylinder. The iron block is arranged in the cylinder and fixed on the bottom cover. The support comprises a base, a vertical rod and a sleeve. The base is placed on the ground. The vertical rod is vertically arranged at the center of the base. A sleeve pipe is arranged on the vertical rod, and a locking mechanism is arranged on the sleeve pipe. The sleeve is connected with the sleeve pipe through a horizontal rod, and the sleeve is arranged in parallel with the vertical rod. The cylinder is inserted into the sleeve.
2. The structural deflection test tool of claim 1, wherein: The outer surface of the bottom cover is provided with concave-convex points.
3. The structural deflection testing tool of claim 1, wherein: The base is a square iron sheet or steel sheet.
4. The structural deflection testing tool of claim 1, wherein: The sleeve is a hollow pipe, and the diameter of the sleeve is greater than the diameter of the cylinder.
5. The structural deflection testing tool of claim 1, wherein: The length of the sleeve is equal to or greater than the length of the cylinder.