Sleeve grouting fullness monitor

Abstract

The utility model relates to a sleeve grouting fullness monitor, which belongs to the technical field of sleeve grouting and comprises a sleeve, a grouting port is fixedly mounted on one side, close to the bottom end, of the sleeve, a slurry discharge port is fixedly mounted on one side, close to the top end, of the sleeve, and a slurry discharge connecting pipe is fixedly mounted in the slurry discharge port. A transparent communicating pipe is inserted into one end of the slurry discharging connecting pipe, a sealing piston is slidably installed in the vertical section of the transparent communicating pipe, an indicating rod is fixedly installed at the top of the sealing piston, a sealing cover is installed at the top end of the transparent communicating pipe in a threaded mode, and a fine monitoring device is arranged at the top of the sealing cover. According to the sleeve grouting fullness monitor, the tiny monitoring device is arranged at the top of the sealing cover, the displacement of the indicating rod is detected through the displacement sensor, a displacement signal is received through the controller, and the controller controls the flicker frequency of the warning lamp according to the speed of the displacement signal, so that whether slurry in a sleeve leaks or not is judged.

Description

Technical Field

[0001] This utility model relates to the field of sleeve grouting technology, specifically a sleeve grouting fullness monitor. Background Technology

[0002] In prefabricated buildings, the connections between various pre-formed column, beam, slab, and wall components are achieved through steel sleeves. Two steel bars are connected to each end of the sleeve. To ensure a tight, integrated connection between the sleeve, components, and steel bars, a concrete grout is injected into the sleeve. After the grout solidifies, the sleeve and the steel bars at both ends are firmly bonded together. To address the issue of incomplete grouting in the sleeves, a common testing method is the damped vibration method. However, existing sleeve grouting fullness testing instruments are expensive, and the miniature sensors cannot be removed after the grout has solidified, making them too costly for widespread application. This method is only suitable for sampling and testing individual sleeves. Given the large number of grouting sleeves used in prefabricated buildings, this testing method clearly cannot meet the needs of production safety testing.

[0003] A grout fullness monitor is needed during sleeve grouting. Utility model patent CN215339849U discloses a grout fullness monitor, belonging to the field of sleeve grouting, which solves the problems of existing technologies where the internal fullness of sleeve grouting cannot be observed, fullness monitors are expensive, and operation is complex. The monitor in this application forms a communication device with the sleeve through a connecting pipe. The level of grout in the connecting pipe is used to determine whether the sleeve is fully grouted. The connecting pipe is threaded or plugged into the grout outlet of the sleeve, and a vent hole is opened at the top of the connecting pipe. The detector is low in cost and can effectively monitor whether the grouting is full or if leakage has occurred.

[0004] However, when using this sleeve grouting fullness monitor, it is difficult to observe the displacement of the indicator to determine whether the grouting is full by observing the height of the sealing plug and whether the grout is leaking by observing the displacement of the indicator. When the leakage is relatively slow, it is difficult to observe the displacement of the indicator with the naked eye. Therefore, the sleeve grouting fullness monitor is proposed to solve the problems mentioned above. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a sleeve grouting fullness monitor, which has the advantages of detecting slow leakage through a detachable fine monitoring device. It solves the problem that common sleeve grouting fullness monitors rely on the displacement of the indicator to observe whether the grout is leaking, but when the leakage is relatively slow, it is difficult to observe the displacement of the indicator with the naked eye.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A sleeve grouting fullness monitor includes a sleeve, a grouting port fixedly installed on the side of the sleeve near the bottom end, a grout discharge port fixedly installed on the side of the sleeve near the top end, a grout discharge pipe fixedly installed inside the grout discharge port, a transparent connecting pipe inserted into one end of the grout discharge pipe, a sealing piston slidably installed inside the vertical section of the transparent connecting pipe, an indicator rod fixedly installed on the top of the sealing piston, a top cover threaded onto the top of the transparent connecting pipe, and a fine monitoring device provided on the top of the top cover;

[0008] The fine monitoring device includes a monitoring housing threaded onto the top of the cover, a displacement sensor fixedly installed on the inner wall of the monitoring housing, a warning light fixedly installed on one side of the monitoring housing, and a controller fixedly installed on the inner wall of the monitoring housing.

[0009] Furthermore, a threaded tube is fixedly installed on the top of the top cover, and the monitoring housing is threaded onto the surface of the threaded tube.

[0010] Furthermore, the indicator rod slides through the mounting threaded tube and the monitoring housing, and the detection end of the displacement sensor is aligned with the indicator rod.

[0011] Furthermore, a compression spring is fixedly installed on the top of the sealing piston, and the top of the compression spring contacts the inner bottom wall of the top cover.

[0012] Furthermore, the compression spring is sleeved on the surface of the indicator rod, and a limiting inner ring is fixedly installed on the inner wall of the vertical section of the transparent connecting tube. The inner diameter of the limiting inner ring is smaller than the outer diameter of the sealing piston.

[0013] Furthermore, a grouting connector is fixedly installed inside the grouting port, and a grouting adapter is inserted into one end of the grouting connector.

[0014] Furthermore, a cap is threaded onto the top of the vertical section of the grouting transfer pipe, and a plug is fixedly installed on the inner bottom wall of the cap, with the plug passing through the top of the grouting transfer pipe.

[0015] Furthermore, variable diameter sealing rings are fixedly installed on the surfaces of the horizontal section of the transparent connecting pipe and the horizontal section of the grouting transfer pipe, and the surface of the variable diameter sealing rings is in contact with the inner wall of the grout discharge pipe and the grouting pipe.

[0016] Compared with the prior art, this utility model provides a sleeve grouting fullness monitor, which has the following beneficial effects:

[0017] 1. This sleeve grouting fullness monitor uses a fine monitoring device on the top of the cap and a displacement sensor to detect the displacement of the indicator rod. The controller receives the displacement signal and controls the flashing frequency of the warning light according to the speed of the displacement signal, thereby determining whether there is grout leakage inside the sleeve. This solves the problem of common sleeve grouting fullness monitors that rely on the displacement of the indicator to observe whether there is grout leakage, but when the leakage is slow, it is difficult to observe the displacement of the indicator with the naked eye.

[0018] 2. This sleeve grouting fullness monitor uses a grouting adapter pipe inserted through one end of the grouting pipe to grout the inside of the sleeve. After grouting is completed, the top of the grouting adapter pipe is closed with a cap and sealed with a plug to prevent grout leakage. Attached Figure Description

[0019] Figure 1 This is a front sectional view of the structure of this utility model;

[0020] Figure 2 This is a front cross-sectional view of the transparent connecting tube of this utility model;

[0021] Figure 3 This is a front cross-sectional view of the micro-monitoring device of this utility model;

[0022] Figure 4 This is a three-dimensional diagram of the fine monitoring device of this utility model.

[0023] In the diagram: 1. Sleeve; 2. Grouting port; 3. Grouting outlet; 4. Grouting pipe; 5. Transparent connecting pipe; 6. Sealing piston; 7. Indicator rod; 8. Top cover; 81. Installation threaded pipe; 9. Fine monitoring device; 91. Monitoring housing; 92. Displacement sensor; 93. Warning light; 94. Controller; 10. Compression spring; 11. Limiting inner ring; 12. Grouting pipe; 13. Grouting adapter pipe; 14. Cover; 15. Plug; 16. Variable diameter sealing ring. Detailed Implementation

[0024] 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.

[0025] Please see Figures 1 to 4The grouting fullness monitor in this embodiment includes a sleeve 1. A grouting port 2 is fixedly installed on the side of the sleeve 1 near the bottom end, and a grout discharge port 3 is fixedly installed on the side of the sleeve 1 near the top end. A grout discharge pipe 4 is fixedly installed inside the grout discharge port 3. A transparent connecting pipe 5 is inserted into one end of the grout discharge pipe 4. A sealing piston 6 is slidably installed inside the vertical section of the transparent connecting pipe 5. An indicator rod 7 is fixedly installed on the top of the sealing piston 6. A top cover 8 is threaded onto the top of the transparent connecting pipe 5. A fine monitoring device 9 is provided on the top of the top cover 8.

[0026] Specifically, grout is injected into sleeve 1 through grouting port 2, and at the same time, transparent connecting pipe 5 is inserted into grout discharge pipe 4. The top of the vertical section of transparent connecting pipe 5 is higher than the top of sleeve 1. When the grout is full, according to the principle of communicating vessels, it can be observed through the grout in the vertical section of transparent connecting pipe 5.

[0027] The fine monitoring device 9 includes a monitoring housing 91 threaded onto the top of the top cover 8, a displacement sensor 92 fixedly installed on the inner wall of the monitoring housing 91, a warning light 93 fixedly installed on one side of the monitoring housing 91, and a controller 94 fixedly installed on the inner wall of the monitoring housing 91.

[0028] Secondly, a threaded tube 81 is fixedly installed on the top of the top cover 8, and the monitoring housing 91 is threaded onto the surface of the threaded tube 81.

[0029] Specifically, when the slurry in the vertical section of the transparent connecting pipe 5 increases, it pushes the sealing piston 6 to rise, which in turn drives the indicator rod 7 to rise. When the slurry in the sleeve 1 leaks, the sealing piston 6 descends, which in turn drives the indicator rod 7 to descend. The displacement sensor 92 detects the displacement of the indicator rod 7 and transmits the signal to the controller 94. The controller 94 controls the flashing frequency of the warning light 93 according to the displacement speed, so that the staff can observe it.

[0030] Please see Figure 3 and Figure 4 In this embodiment, the indicator rod 7 slides through the threaded pipe 81 and the monitoring housing 91, and the detection end of the displacement sensor 92 is aligned with the indicator rod 7.

[0031] A compression spring 10 is fixedly installed on the top of the sealing piston 6, and the top of the compression spring 10 contacts the inner bottom wall of the top cover 8. When the sealing piston 6 rises, it compresses the compression spring 10. When grouting is completed, the compression spring 10 exerts downward pressure on the sealing piston 6, compressing the grout in the sleeve 1.

[0032] Please see Figure 1 and Figure 2In this embodiment, the compression spring 10 is sleeved on the surface of the indicator rod 7, and a limiting inner ring 11 is fixedly installed on the inner wall of the vertical section of the transparent connecting tube 5. The inner diameter of the limiting inner ring 11 is smaller than the outer diameter of the sealing piston 6. The limiting inner ring 11 limits the sealing piston 6 to prevent the sealing piston 6 from falling into the horizontal section of the transparent connecting tube 5.

[0033] The grouting port 2 is fixedly installed with a grouting pipe 12, and a grouting adapter pipe 13 is inserted into one end of the grouting pipe 12.

[0034] Secondly, a cap 14 is threaded onto the top of the vertical section of the grouting adapter 13, and a plug 15 is fixedly installed on the inner bottom wall of the cap 14, with the plug 15 passing through the top of the grouting adapter 13. After grouting is completed, the top of the grouting adapter 13 is sealed by threading the cap 14 and the grouting adapter 13 together and by using the plug 15.

[0035] Finally, variable diameter sealing rings 16 are fixedly installed on the surfaces of the horizontal sections of the transparent connecting pipe 5 and the grouting adapter pipe 13. The surface of the variable diameter sealing ring 16 is in contact with the inner walls of the grout discharge pipe 4 and the grouting pipe 12. The variable diameter sealing ring 16 can be used to adapt to grout discharge pipes 4 and grouting pipes 12 with different inner diameters, thereby increasing the compatibility range of the monitor.

[0036] The working principle of the above embodiment is as follows: Grout is injected into the sleeve 1 through the grouting port 2, and at the same time, the transparent connecting pipe 5 is inserted into the grout discharge pipe 4. The top of the vertical section of the transparent connecting pipe 5 is higher than the top of the sleeve 1. When the grout is full, according to the principle of the communicating vessel, the grout in the vertical section of the transparent connecting pipe 5 can be observed. When the grout in the sleeve 1 leaks, the sealing piston 6 descends, which drives the indicator rod 7 to descend. The displacement sensor 92 detects the displacement of the indicator rod 7 and transmits the signal to the controller 94. The controller 94 controls the flashing frequency of the warning light 93 according to the displacement speed.

[0037] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that achieves the desired beneficial effect can be implemented. Furthermore, all electrical components in this embodiment are electrically connected to the main controller and power supply. The main controller can be a conventional, known device such as a computer that performs control functions. Those skilled in the art can control the electrical components through simple programming, and the existing disclosed power connection technologies are common knowledge in the field. Therefore, this embodiment will not elaborate further on their specific structural composition and working principles.

[0038] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sleeve grouting fullness monitor, comprising a sleeve (1), characterized in that: A grouting port (2) is fixedly installed on the side of the sleeve (1) near the bottom end, and a grout discharge port (3) is fixedly installed on the side of the sleeve (1) near the top end. A grout discharge pipe (4) is fixedly installed inside the grout discharge port (3). A transparent connecting pipe (5) is inserted into one end of the grout discharge pipe (4). A sealing piston (6) is slidably installed inside the vertical section of the transparent connecting pipe (5). An indicator rod (7) is fixedly installed on the top of the sealing piston (6). A top cover (8) is threaded onto the top of the transparent connecting pipe (5). A fine monitoring device (9) is provided on the top of the top cover (8). The fine monitoring device (9) includes a monitoring housing (91) threaded onto the top of the top cover (8), a displacement sensor (92) fixedly mounted on the inner wall of the monitoring housing (91), a warning light (93) fixedly mounted on one side of the monitoring housing (91), and a controller (94) fixedly mounted on the inner wall of the monitoring housing (91).

2. The sleeve grouting fullness monitor according to claim 1, characterized in that: The top of the top cover (8) is fixedly installed with a threaded tube (81), and the monitoring housing (91) is threaded onto the surface of the threaded tube (81).

3. The sleeve grouting fullness monitor according to claim 2, characterized in that: The indicator rod (7) slides through the threaded pipe (81) and the monitoring housing (91), and the detection end of the displacement sensor (92) is aligned with the indicator rod (7).

4. The sleeve grouting fullness monitor according to claim 1, characterized in that: A compression spring (10) is fixedly installed on the top of the sealing piston (6), and the top of the compression spring (10) is in contact with the inner bottom wall of the top cover (8).

5. The sleeve grouting fullness monitor according to claim 4, characterized in that: The compression spring (10) is sleeved on the surface of the indicator rod (7), and a limiting inner ring (11) is fixedly installed on the inner wall of the vertical section of the transparent connecting tube (5). The inner diameter of the limiting inner ring (11) is smaller than the outer diameter of the sealing piston (6).

6. The sleeve grouting fullness monitor according to claim 1, characterized in that: A grouting pipe (12) is fixedly installed inside the grouting port (2), and a grouting adapter pipe (13) is inserted into one end of the grouting pipe (12).

7. The sleeve grouting fullness monitor according to claim 6, characterized in that: The top of the vertical section of the grouting adapter pipe (13) is threaded with a cap (14), and a plug (15) is fixedly installed on the inner bottom wall of the cap (14). The plug (15) passes through the top of the grouting adapter pipe (13).

8. The sleeve grouting fullness monitor according to claim 7, characterized in that: The surfaces of the horizontal sections of the transparent connecting pipe (5) and the horizontal sections of the grouting transfer pipe (13) are fixedly equipped with variable diameter sealing rings (16), and the surfaces of the variable diameter sealing rings (16) are in contact with the inner walls of the grout discharge pipe (4) and the grouting pipe (12).

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