Building deflection detection equipment convenient to store

By introducing positioning studs and casters into the deflection testing equipment, the problem of inconvenient disassembly and storage of the device has been solved, enabling convenient transportation and efficient testing, and ensuring the accuracy of the test data and the stability of the equipment.

CN223921944UActive Publication Date: 2026-02-17ZHEJIANG ZHENGHAO ENG RES CO LTD
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Patent Information

Application Number
CN202520453512.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-16
Publication Date
2026-02-17
Estimated Expiration
2035-03-16

AI Technical Summary

Technical Problem

Existing deflection testing devices are inconvenient to disassemble, store, and carry when not in use, and the test data are inaccurate.

Method used

A building deflection testing device that is easy to store has been designed. The device can be quickly loaded and transported by positioning studs and casters. Combined with hinges, a fixed base and a pressure-resistant mechanism, it ensures that the testing plate fits tightly with the road surface, providing stable support and accurate measurement.

Benefits of technology

It enables convenient storage and efficient transportation of equipment, improves the accuracy of testing and the stability of equipment, reduces labor costs, and increases work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of road surface detection, in particular to building deflection detection equipment convenient to store, which comprises a support plate, a first detection plate, a second detection plate, a positioning mechanism, a fixed base, an auxiliary base, a compression resistance mechanism and a pressure gauge, the second detection plate is rotationally mounted at the other end of the supporting plate through a second hinge; the first detection plate and the second detection plate are placed on the two sides of a to-be-detected road surface respectively, the angles of the detection plates can be adjusted through rotation of the hinges, the detection plates are tightly attached to the road surface, the detection accuracy is ensured, the fixed base is arranged below the supporting plate and provides stable supporting, the auxiliary base is arranged on one side of the fixed base, and the auxiliary base is arranged on the other side of the fixed base. And the auxiliary base is matched with the clamping groove of the fixed base through the positioning plate, so that rapid positioning and mounting are realized, and convenience is brought to a user in use.
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Description

Technical Field

[0001] This utility model relates to the field of road surface testing technology, specifically to a building deflection testing device that is easy to store. Background Technology

[0002] A pavement deflectometer is based on the lever principle and is used to measure the pavement deflection between the two rear wheels of a vehicle. Under load, the pavement undergoes localized subsidence, i.e., vertical deformation. The shape reflected by the pavement is a basin centered on the deflection point. When the pressure is removed, the elasticity allows the pavement to return to its original shape, and the deflection basin disappears. The difference before and after the pressure is applied is called the deflection value. The total deflection and elastic deflection are not equal, meaning that after the load is removed, the pavement deflection does not completely disappear; a small amount of residual deformation remains. Deflection is one of the important technical indicators for highway design and highway engineering quality evaluation. The deflectometer is suitable for measuring the pavement rebound deflection value to evaluate the overall strength of the pavement. The pavement deflectometer is also called a Beckman beam. The pavement deflection value is closely related to factors such as vehicle speed and temperature.

[0003] Chinese Patent Publication No. CN218436522U discloses a deflection testing device for building engineering, comprising a testing device and a moving device. The testing device includes a Beckman beam, a support base, a support frame, and a dial indicator. A column and two locking posts are welded to the top right end of the Beckman beam. The support base is rotatably connected to the Beckman beam via a rotating shaft, and the support frame is located at the right end of the Beckman beam. This deflection testing device, by installing a moving device on the beam, allows the movement of a moving rod within a connecting cylinder to be controlled via a connecting rope and a collar, thereby controlling whether a ball bearing contacts the bottom surface. When the ball bearing separates from the bottom surface, the testing device can be stably positioned. When the ball bearing contacts the bottom surface, the left end of the beam tilts up, and the beam can be pushed to the next testing point by pushing the U-shaped frame, thus significantly reducing the workload of workers.

[0004] The deflection testing device in the aforementioned patent, along with similar devices commonly found on the market, suffers from several problems during use. Firstly, it is inconvenient to disassemble and store the device when not in use, making it difficult to carry. Secondly, it is inconvenient to disassemble and replace both ends of the device during daily use, leading to inaccurate test data after prolonged use. Utility Model Content

[0005] To address the aforementioned issues, a building deflection testing device that is easy to store is provided. One base is positioned by a positioning stud, and the other base is rotated by casters. This allows the top of the loading machine truss to rotate, facilitating the rotation of the equipment during daily cargo transport and enabling transfer. This avoids the need to transport goods again through the equipment, significantly reducing labor costs and improving equipment efficiency.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a building deflection testing device that is easy to store, comprising a support plate, a first testing plate, a second testing plate, a positioning mechanism, a fixed base, an auxiliary base, a pressure-resistant mechanism, and a pressure gauge. The first testing plate is rotatably mounted on one end of the support plate via a first hinge, and the second testing plate is rotatably mounted on the other end of the support plate via a second hinge. The positioning mechanism is disposed on the side of the support plate, the first testing plate, and the second testing plate. The fixed base is disposed below the support plate. The auxiliary base is disposed on one side of the fixed base and below the second testing plate. The pressure-resistant mechanism is disposed at one end of the first testing plate and the second testing plate, and the pressure gauge is disposed above the pressure-resistant mechanism.

[0007] Furthermore, the positioning mechanism includes a first fixing plate, which is disposed on the side of the support plate. A T-shaped rod is rotatably mounted inside the first fixing plate. A second fixing plate matching the T-shaped rod is disposed on the side of the second detection plate. A nut that contacts the second fixing plate is threaded onto one end of the T-shaped rod.

[0008] Furthermore, a vertical plate connected to a fixed base is rotatably mounted on the side of the support plate, and a first support leg is provided at each of the four corners of the bottom of the fixed base. A drawer is slidably mounted on one side of the fixed base.

[0009] Furthermore, the auxiliary base is symmetrically provided with positioning plates on its sides, the fixed base has slots inside that match the positioning plates, and the auxiliary base is provided with second support legs at each of the four bottom corners.

[0010] Furthermore, the anti-compression mechanism includes an internally threaded cylinder, which is disposed at one end of the first detection plate and the second detection plate. An adjusting stud is installed on the internal thread of the internally threaded cylinder, and an insert rod is provided on the side of the internally threaded cylinder. Positioning screws are threaded on both the upper and lower sides of the second detection plate, and the positioning screws pass through the insert rod.

[0011] Furthermore, a vertical rod is threaded onto the top of the auxiliary base, and a hollow cylinder connected to a pressure gauge is sleeved on the outer side of the vertical rod. A locking bolt for positioning is threaded onto one side of the hollow cylinder.

[0012] Compared with the prior art, the beneficial effects of this utility model are: this easy-to-store building deflection testing device is reasonable and has the following advantages:

[0013] (1) During the test, the first test plate and the second test plate are placed on both sides of the road surface to be tested. By rotating the hinge, the angle of the test plate can be adjusted so that it fits tightly with the road surface to ensure the accuracy of the test. The fixed base is set below the support plate to provide stable support. The auxiliary base is set on one side of the fixed base and below the second test plate to further enhance the stability of the equipment. The auxiliary base is matched with the slot of the fixed base through the positioning plate to achieve quick positioning and installation. The pressure gauge is set above the anti-compression mechanism to measure the pressure on the test plate during the road deflection test. The deflection value of the road surface can be accurately calculated through the reading of the pressure gauge to provide data support for subsequent road assessment and maintenance.

[0014] (2) The adjusting stud is installed inside the internal threaded cylinder by means of threads. By rotating the adjusting stud, the extension and retraction length of the internal threaded cylinder can be precisely controlled, thereby adjusting the distance between the first and second detection plates, ensuring that the detection plates can fit tightly against the road surface to be tested. The positioning screw is threaded on the upper and lower sides of the second detection plate and passes through the insertion rod. By rotating the positioning screw, the insertion rod can be fixed in the required position, further enhancing the stability of the detection plate and ensuring the consistency of the position of the detection plate during the testing process. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the connection structure between the support plate and the first detection plate of this utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure between the fixed base and the auxiliary base of this utility model;

[0018] Figure 4 This is a schematic diagram of the installation structure of the anti-compression mechanism of this utility model;

[0019] Figure 5 For the present utility model Figure 1 Enlarged structural diagram at point A in the middle.

[0020] In the diagram: 1. Support plate; 2. First detection plate; 3. Second detection plate; 4. Positioning mechanism; 41. First fixing plate; 42. T-shaped rod; 43. Second fixing plate; 5. Fixed base; 6. Auxiliary base; 7. Anti-compression mechanism; 71. Internal threaded cylinder; 72. Adjusting stud; 73. Insert rod; 74. Positioning screw; 8. Pressure gauge; 9. Vertical plate; 10. First support leg; 11. Drawer; 12. Positioning plate; 13. Second support leg; 14. Vertical rod; 15. Hollow cylinder. Detailed Implementation

[0021] 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. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please refer to the following: Figures 1 to 5 A conveniently stored building deflection testing device includes a support plate 1, a first testing plate 2, a second testing plate 3, a positioning mechanism 4, a fixed base 5, an auxiliary base 6, a pressure-resistant mechanism 7, and a pressure gauge 8. The first testing plate 2 is rotatably mounted on one end of the support plate 1 via a first hinge, and the second testing plate 3 is rotatably mounted on the other end of the support plate 1 via a second hinge. The positioning mechanism 4 is disposed on the side of the support plate 1, the first testing plate 2, and the second testing plate 3. The fixed base 5 is disposed below the support plate 1. The auxiliary base 6 is disposed on one side of the fixed base 5 and below the second testing plate 3. The pressure-resistant mechanism 7 is disposed at one end of the first testing plate 2 and the second testing plate 3, and the pressure gauge 8 is disposed above the pressure-resistant mechanism 7.

[0023] The first detection plate 2 and the second detection plate 3 are respectively installed at both ends of the support plate 1 via hinges, allowing for flexible rotation to adapt to the testing needs of different road surfaces. During testing, the first detection plate 2 and the second detection plate 3 are placed on both sides of the road surface to be tested. By rotating the hinges, the angle of the detection plates can be adjusted to ensure a tight fit with the road surface and guarantee the accuracy of the test. The fixed base 5 is located below the support plate 1, providing stable support. The auxiliary base 6 is located on one side of the fixed base 5, below the second detection plate 3, further enhancing the stability of the equipment. The auxiliary base 6 is engaged with the fixed base 5 via the positioning plate 12, enabling quick positioning and installation. The pressure gauge 8 is located above the anti-compression mechanism 7 and is used to measure the pressure experienced by the detection plates during the road deflection test. The reading of the pressure gauge 8 allows for accurate calculation of the road deflection value, providing data support for subsequent road assessment and maintenance.

[0024] like Figure 1 , Figure 2 and Figure 5 As shown, the positioning mechanism 4 includes a first fixing plate 41, which is disposed on the side of the support plate 1. A T-shaped rod 42 is rotatably mounted inside the first fixing plate 41. A second fixing plate 43 matching the T-shaped rod 42 is disposed on the side of the second detection plate 3. A nut that contacts the second fixing plate 43 is threaded onto one end of the T-shaped rod 42.

[0025] The first fixing plate 41 is located on the side of the support plate 1, serving to fix and support it, and providing an installation position for the T-shaped rod 42. The T-shaped rod 42 is rotatably installed inside the first fixing plate 41 and can rotate around its axis. This design allows the T-shaped rod 42 to be adjusted within a certain range to adapt to different testing requirements. The second fixing plate 43 is located on the side of the second testing plate 3 and matches the T-shaped rod 42. One end of the T-shaped rod 42 contacts the second fixing plate 43. By tightening the nut, the second testing plate 3 can be fixed in the required position for user convenience.

[0026] like Figure 1 and Figure 3 As shown, a vertical plate 9 connected to a fixed base 5 is rotatably mounted on the side of the support plate 1. A first support leg 10 is provided at each of the four bottom corners of the fixed base 5. A drawer 11 is slidably mounted on one side of the fixed base 5. A positioning plate 12 is symmetrically arranged on the side of the auxiliary base 6. A slot matching the positioning plate 12 is opened inside the fixed base 5. A second support leg 13 is provided at each of the four bottom corners of the auxiliary base 6.

[0027] The support plate 1 is the main structure of the entire device, supporting all other components. The upright plate 9 is rotatably mounted on the side of the support plate 1 and connected to the fixed base 5. This design allows the support plate 1 to be angled on the fixed base 5 to adapt to different testing needs. The fixed base 5 is located below the support plate 1, providing stable support. First support legs 10 are provided at each of its four bottom corners to ensure the stability of the device during testing. A drawer 11 is slidably installed on one side of the fixed base 5 for storing tools or recording testing data, facilitating on-site operation. An auxiliary base 6 is located on one side of the fixed base 5, below the second testing plate 3, further enhancing the stability of the device. Positioning plates 12 are symmetrically arranged on the side of the auxiliary base 6. The fixed base 5 has slots inside that match the positioning plates 12. This design allows the auxiliary base 6 to be quickly positioned and installed, ensuring a tight fit with the fixed base 5. Second support legs 13 are provided at each of the four bottom corners of the auxiliary base 6 to further enhance its support capacity.

[0028] like Figure 1 and Figure 4As shown, the anti-compression mechanism 7 includes an internally threaded cylinder 71, which is disposed at one end of the first detection plate 2 and the second detection plate 3. An adjusting stud 72 is installed on the internal thread of the internally threaded cylinder 71, and a plug rod 73 is provided on the side of the internally threaded cylinder 71. Positioning screws 74 are threaded on both the upper and lower sides of the second detection plate 3, and the positioning screws 74 pass through the plug rod 73.

[0029] The adjusting stud 72 is threadedly installed inside the internal threaded cylinder 71. By rotating the adjusting stud 72, the extension and retraction length of the internal threaded cylinder 71 can be precisely controlled, thereby adjusting the distance between the first detection plate 2 and the second detection plate 3, ensuring that the detection plates can fit tightly against the road surface to be inspected. The positioning screw 74 is threadedly installed on the upper and lower sides of the second detection plate 3 and passes through the insertion rod 73. By rotating the positioning screw 74, the insertion rod 73 can be fixed in the required position, further enhancing the stability of the detection plates and ensuring the consistency of the position of the detection plates during the inspection process.

[0030] like Figure 1 As shown, a vertical rod 14 is threadedly installed on the top of the auxiliary base 6, and a hollow cylinder 15 connected to the pressure gauge 8 is sleeved on the outside of the vertical rod 14. A locking bolt for positioning is threaded on one side of the hollow cylinder 15.

[0031] The upright 14 is threaded onto the auxiliary base 6, allowing for flexible height adjustment. This ensures that the pressure gauge 8 can be positioned according to the testing requirements of different road surfaces, improving the applicability and flexibility of the equipment. The pressure gauge 8, connected to the upright 14 via the hollow cylinder 15, can accurately measure the pressure experienced by the test plate during road deflection testing, providing reliable data support for subsequent road assessment and maintenance.

[0032] The above embodiments only illustrate one or more implementations of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A building deflection detection device for easy storage, characterized in that , including support plate (1), first detection plate (2), second detection plate (3), positioning mechanism (4), fixed base (5), auxiliary base (6), pressure resistance mechanism (7) and pressure gauge (8), the first detection plate (2) is rotatably installed at one end of support plate (1) through the first hinge, the second detection plate (3) is rotatably installed at the other end of support plate (1) through the second hinge, the positioning mechanism (4) is arranged on the side of support plate (1), first detection plate (2) and second detection plate (3), the fixed base (5) is arranged below support plate (1), the auxiliary base (6) is arranged on one side of fixed base (5) and below second detection plate (3), the pressure resistance mechanism (7) is arranged at one end of first detection plate (2) and second detection plate (3), the pressure gauge (8) is arranged above pressure resistance mechanism (7).

2. A building deflection detection device for easy storage according to claim 1, characterized in that: The positioning mechanism (4) includes a first fixed plate (41), the first fixed plate (41) is arranged on the side of the support plate (1), a T-shaped rod (42) is rotatably installed in the first fixed plate (41), a second fixed plate (43) matched with the T-shaped rod (42) is arranged on the side of the second detection plate (3), and a nut is threadedly installed at one end of the T-shaped rod (42) and in contact with the second fixed plate (43).

3. A building deflection detection device for easy storage according to claim 1, characterized in that: A vertical plate (9) connected with the fixed base (5) is rotatably installed on the side of the support plate (1), first supporting legs (10) are arranged at the bottom corners of the fixed base (5), and a drawer (11) is slidably installed on one side of the fixed base (5).

4. The deflection apparatus of claim 1, wherein: Positioning plates (12) are symmetrically arranged on the side of the auxiliary base (6), a clamping groove matched with the positioning plates (12) is formed in the fixed base (5), and second supporting legs (13) are arranged at the bottom corners of the auxiliary base (6).

5. The conveniently storable building deflection detection device of claim 1, wherein: The pressure resistance mechanism (7) includes an internally threaded cylinder (71), the internally threaded cylinder (71) is arranged at one end of the first detection plate (2) and the second detection plate (3), an adjusting stud (72) is threadedly installed in the internally threaded cylinder (71), a plug rod (73) is arranged on the side of the internally threaded cylinder (71), positioning screws (74) are threadedly installed on the upper and lower sides of the second detection plate (3), and the positioning screws (74) penetrate through the plug rod (73).

6. The conveniently storable building deflection detection device of claim 1, wherein: A vertical rod (14) is threadedly installed on the top of the auxiliary base (6), a hollow cylinder (15) connected with the pressure gauge (8) is arranged on the outer side of the vertical rod (14), and a locking bolt for positioning is threadedly installed on one side of the hollow cylinder (15).

Citation Information

Patent Citations

  • Deflection detection device for constructional engineering

    CN218436522U