Counterweight device for floor static load test

Abstract

The utility model discloses a counterweight device for a floor static load test in the technical field of building structure detection, and the counterweight device comprises a plurality of counterweight boxes, each counterweight box is provided with a liquid inlet and a liquid outlet, and the liquid outlet of the previous counterweight box is communicated with the liquid inlet of the next counterweight box through a hose. And the liquid inlet of the weight box at the foremost end and / or the liquid outlet of the weight box at the tail end are / is connected with a metering valve. According to the counterweight device, accurate metering and distribution adjustment of counterweights can be conveniently and rapidly achieved.

Description

Technical Field

[0001] This utility model belongs to the field of building structure testing technology, and specifically relates to a counterweight device for static load testing of floor slabs. Background Technology

[0002] In the field of building structural testing, with the significant increase in people's awareness of the safety of residential and residential buildings, the importance of building safety testing and assessment has become increasingly prominent. Among them, the testing of floor slab load-bearing capacity is one of the key links in building safety assessment, and the static load test method is a widely used and effective testing method.

[0003] The core operation of static load testing lies in applying a load to the surface of the floor slab under test. During this process, the load is precisely monitored as it gradually increases, and various changes in the target floor slab's condition are observed, including but not limited to the degree of deformation and the occurrence and development of cracks. This allows for a scientific determination of the floor slab's load-bearing capacity. However, traditional static load tests using counterweights such as bagged sand, bagged cement, and building blocks have significant shortcomings: 1. In terms of load control, these traditional counterweights have inherent mass inhomogeneities, making precise measurement and distribution adjustment during loading difficult, thus hindering high-precision control of the load. 2. Bagged sand and cement are prone to packaging damage, leading to material spillage. This not only increases the difficulty of cleanup but may also create safety hazards such as slippery surfaces at the construction site, endangering the safety of on-site personnel. 3. Bagged materials such as sand and cement may become unusable due to moisture or damage. 4. Bagged sand and cement are prone to generating dust during storage and use, which pollutes the air quality at and around the construction site, affecting the living environment of nearby residents and the health of construction workers. Utility Model Content

[0004] The present invention aims to provide a counterweight device for static load testing of floor slabs, so as to achieve accurate measurement and distribution adjustment of the counterweight.

[0005] One of the counterweight devices for static load testing of floor slabs in this solution includes multiple counterweight boxes, each of which is equipped with an inlet and an outlet. The outlet of one counterweight box is connected to the inlet of the next counterweight box via a flexible hose. The inlet of the foremost counterweight box and / or the outlet of the last counterweight box are connected to a metering valve.

[0006] The working principle and beneficial effects of this scheme are as follows: During the static load test of the floor slab, multiple counterweight boxes are first placed sequentially at their respective positions on the floor slab and connected one by one via flexible hoses to form a complete counterweight system. Water is injected into the counterweight boxes through the inlet and / or outlet. Metering valves are used to precisely control the inflow or outflow of liquid, thereby achieving precise adjustment of the liquid weight in each counterweight box and accurate measurement and distribution adjustment of the entire counterweight device. During the test, as the load gradually increases, the floor slab's deformation, crack formation and development, and other changes in condition are observed. Combined with the readings of the metering valves, the floor slab's load-bearing capacity is accurately determined.

[0007] Furthermore, the hose is equipped with a quick-connect coupling. This quick-connect coupling makes connecting and disassembling the counterweight boxes extremely convenient and efficient.

[0008] Furthermore, the outer walls of the counterweight box, which has both an inlet and an outlet, are equipped with storage components for storing hoses and quick connectors. This facilitates the orderly storage of hoses and quick connectors, keeping the site tidy and organized.

[0009] Furthermore, the storage assembly includes a storage tray detachably connected to the outer wall of the counterweight box. A cover plate for opening and closing its opening is hinged to the upper part of the storage tray. The inner bottom of the storage tray has a spiral-shaped storage groove for storing the hose. The wall of the storage tray has a notch for the hose to pass through, and the notch communicates with the storage groove. At the center of the inner bottom of the storage tray is a groove for storing quick-connect fittings, and the groove communicates with the end of the storage groove away from the notch. The spiral-shaped storage groove allows the hose to be tightly and neatly wound inside the groove, and the groove can store the quick-connect fittings, thus effectively utilizing space and preventing the hose from piling up haphazardly.

[0010] Furthermore, the inner bottom of the storage tray is provided with a first channel connecting each ring of storage slots. The first channel is connected to the notch and is a straight line. The first channel is connected to each ring of storage slots, allowing for the selection of a suitable storage slot based on the length of the hose, thus preventing the quick connector from being unable to fit into the slot, or the hose from being folded too much after the quick connector is placed in the slot.

[0011] Furthermore, the bottom of the storage tray is provided with a second channel, which is positioned opposite to the first channel. The second channel connects to each ring of storage grooves and is also connected to the recess. The second channel provides more path options and flexibility for storing the hose. By cooperating with the first and second channels, the hose can be more evenly distributed in the storage grooves, avoiding the situation where the hose is too long and piles up in one place.

[0012] Furthermore, the hinge between the cover plate and the storage tray is located at the top of the storage tray, and the cover plate is provided with finger grooves. The hinge being located at the top allows the cover plate to close the opening of the storage tray under its own weight, while the storage tray can be easily opened via the finger grooves.

[0013] Furthermore, both the inlet and outlet are located near the bottom of the counterweight box, allowing for a wider range of counterweight adjustments.

[0014] Furthermore, the inlet and outlet are located on opposite sides of the counterweight box, facilitating connection between different counterweight boxes. Attached Figure Description

[0015] Figure 1 This is a diagram illustrating the usage state of a counterweight device for static load testing of floor slabs, as described in Embodiment 1 of this utility model.

[0016] Figure 2 for Figure 1 Front view of the counterweight box;

[0017] Figure 3 for Figure 2 The right view;

[0018] Figure 4 This is a right view of the counterweight box after it is connected to the storage assembly in Embodiment 2 of this utility model;

[0019] Figure 5 for Figure 4 The main view of the central storage component after removing the cover;

[0020] Figure 6 for Figure 5 This is a schematic diagram showing the path when storing the flexible hose using the storage component. Detailed Implementation

[0021] The following detailed description illustrates the specific implementation method:

[0022] The reference numerals in the accompanying drawings include: counterweight box 1, hose 2, outlet pipe 3, metering valve 4, inlet 5, outlet 6, notch 7, finger groove 8, storage tray 9, cover plate 10, first channel 11, second channel 12, groove 13, opening 14, and storage slot 15.

[0023] Example 1 is basically as shown in the appendix. Figures 1-3As shown: A counterweight device for static load testing of floor slabs includes sixteen counterweight boxes 1 (the number of counterweight boxes 1 can be increased or decreased according to actual conditions). The counterweight boxes 1 are provided with liquid inlets 5 and liquid outlets 6 on opposite side walls. Both liquid inlets 5 and liquid outlets 6 are close to the inner bottom of the counterweight box 1. The liquid outlet 6 of the upper counterweight box 1 is connected to the liquid inlet 5 of the lower counterweight box 1 through a flexible hose 2. The liquid inlet 5 of the frontmost counterweight box 1 is connected to an inlet pipe, and the liquid outlet 6 of the rearmost counterweight box 1 is connected to an outlet pipe 3. Both the inlet pipe and the outlet pipe 3 are connected to a metering valve 4.

[0024] Example 2 is basically as shown in the appendix. Figures 4-5 As shown, the only difference between this embodiment and Example 1 is that: the hose 2 is provided with a quick connector, and the outer wall of the counterweight box 1, which has an inlet 5 and an outlet 6, is provided with a storage assembly for storing the hose 2 and the quick connector; the storage assembly includes a storage tray 9 detachably connected to the outer wall of the counterweight box 1, and a cover plate 10 for opening and closing its opening 14 is hinged to the top of the storage tray 9, and the cover plate 10 is provided with a finger groove 8; the inner bottom of the storage tray 9 is provided with a spiral storage groove 15 for storing the hose 2, and in this embodiment, the storage groove 15 has only two turns, and the wall of the storage tray 9 is provided with a notch 7 for the hose 2 to pass through, and the notch 7 and the storage groove 15 are connected. The starting end of the outer ring is connected; a groove 13 for storing quick connectors is provided at the center of the bottom of the storage tray 9, and the groove 13 is connected to the end of the storage slot 15 away from the notch 7; a first channel 11 connecting the inner and outer rings of the storage slot 15 is provided at the bottom of the storage tray 9, and the first channel 11 is connected to the notch 7 and is a straight line; a second channel 12 is provided at the bottom of the storage tray 9, and the second channel 12 is opposite to the first channel 11. The second channel 12 is connected to the storage slot 15 and the groove 13. Through the arrangement of the first channel 11 and the second channel 12, the storage path of the hose 2 is expanded to four, as shown in the attached figure. Figure 6 The storage paths are ①~④.

[0025] The specific implementation process is as follows: Before conducting the static load test on the floor slab, sixteen counterweight boxes 1 are first placed on the floor slab in predetermined positions (the number and layout of counterweight boxes 1 can be adjusted according to the floor slab area, shape, and test requirements during actual use). Each counterweight box 1 is connected sequentially via a hose 2 with a quick connector to form a complete counterweight system. Water is then injected into the counterweight boxes 1 through the inlet pipe. The flow rate of water is precisely controlled using the metering valve 4 on the inlet pipe. Water flows sequentially through the inlet 5, outlet 6, and hose 2 of each counterweight box 1 until the entire counterweight system is filled. During the water injection process, the reading of the metering valve 4 is observed to precisely adjust the liquid weight in each counterweight box 1, thereby achieving accurate measurement and distribution adjustment of the counterweight of the entire counterweight device to meet different test loading requirements. The liquid weight in the counterweight box 1 can also be further adjusted through the outlet pipe 3.

[0026] During the test, as the load gradually increased, the floor slab's deformation, crack formation and development, and other changes were observed. Combined with the readings from metering valve 4, the floor slab's load-bearing capacity was accurately determined. After the test, a suitable storage path was selected to store hose 2 and the quick connector, based on the hose's length.

[0027] The above descriptions are merely embodiments of this utility model, and common knowledge regarding specific structures and characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A counterweight device for static load testing of floor slabs, characterized in that: It includes multiple counterweight boxes, each equipped with an inlet and an outlet. The outlet of one counterweight box is connected to the inlet of the next counterweight box via a flexible hose. The inlet of the foremost counterweight box and / or the outlet of the last counterweight box are connected to a metering valve.

2. The counterweight device for static load testing of floor slabs according to claim 1, characterized in that: The hose is equipped with a quick connector.

3. The counterweight device for static load testing of floor slabs according to claim 2, characterized in that: The counterweight box has a liquid inlet and an outlet, and the outer wall of each is equipped with a storage assembly for storing hoses and quick connectors.

4. A counterweight device for static load testing of floor slabs according to claim 3, characterized in that: The storage assembly includes a storage tray detachably connected to the outer wall of the counterweight box. The storage tray has a cover plate hinged to its upper part for opening and closing its opening. The inner bottom of the storage tray has a spiral storage groove for storing a flexible hose. The wall of the storage tray has a notch for the flexible hose to pass through, and the notch communicates with the storage groove. The center of the inner bottom of the storage tray has a groove for storing a quick connector, and the groove communicates with the end of the storage groove away from the notch.

5. A counterweight device for static load testing of floor slabs according to claim 4, characterized in that: The inner bottom of the storage tray is provided with a first channel connecting each ring of storage slots. The first channel is connected to the notch and is a straight line.

6. A counterweight device for static load testing of floor slabs according to claim 5, characterized in that: The bottom of the storage tray is provided with a second channel, which is opposite to the first channel. The second channel connects to each storage groove and is also connected to the groove.

7. A counterweight device for static load testing of floor slabs according to claim 6, characterized in that: The hinge between the cover plate and the storage tray is located at the top of the storage tray, and the cover plate is provided with finger grooves.

8. A counterweight device for static load testing of floor slabs according to claim 7, characterized in that: Both the inlet and outlet are located near the bottom of the counterweight box.

9. A counterweight device for static load testing of floor slabs according to claim 8, characterized in that: The inlet and outlet are located on opposite sides of the counterweight box.

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