Long hollow pile concrete pouring liquid level measuring device

Abstract

The utility model discloses a long hollow pile concrete pouring liquid level measuring device in the technical field of concrete pouring, which is characterized in that a warning unit is arranged on a mounting platform, and an in-place ring used for triggering a microswitch on the warning unit is mounted on a measuring rod, so that in the concrete pouring process, the in-place ring can trigger the microswitch on the warning unit; the buoy at the bottom of the measuring rod can rise together with the measuring rod under the action of buoyancy of concrete, and triggers the microswitch on the warning unit through the in-place ring after the measuring rod rises to a preset height, so that the warning unit is started to give out a warning to remind a worker, and the worker can conveniently and rapidly carry out concrete pouring in the concrete pouring process. The warning unit can give out a warning in time after pouring reaches the set height, a user does not need to stare at the measuring rod, use is more convenient, meanwhile, the distance between the in-place ring and the buoy is fixed, the warning unit is triggered immediately after the measuring rod ascends to the preset height, the pouring height of concrete can be accurately controlled, and therefore errors are reduced.

Description

Technical Field

[0001] This utility model relates to the field of concrete pouring technology, specifically to a device for measuring the liquid level in concrete pouring for long-hole piles. Background Technology

[0002] Underwater rotary drilling piles are a prime example of the combination of modern machinery and traditional techniques. Due to their fast drilling speed, low noise, low pollution, and wide applicability, rotary drilling piles are widely used in foundation pile construction. However, during the drilling and grouting process, determining whether the grouting fluid level meets the design requirements is a crucial step.

[0003] Traditionally, the measurement of the liquid level height during the concrete pouring process of cast-in-place piles is mostly determined by estimating the volume of concrete to be poured. This method of measurement is subject to various unstable factors such as errors in the volume of concrete to be poured and differences in the drilling depth, resulting in a large error in the measurement results.

[0004] For example, Chinese utility model patent with authorization announcement number CN218116466U discloses a device for controlling the over-pouring height of the pile head of a cast-in-place pile. Workers can intuitively and accurately observe the concrete reaching the designed over-pouring height by observing the height of the riser.

[0005] However, when using the aforementioned utility model patent, staff still need to check the riser regularly to determine its height. At the same time, observing the riser can only roughly determine the range of concrete liquid level height, and cannot accurately determine the concrete liquid level height. The pouring height is entirely based on the staff's subjective judgment, which has a large error.

[0006] Based on this, this utility model designs a concrete pouring liquid level measuring device for long-hole piles to solve the above problems. Utility Model Content

[0007] To achieve the above objectives, this utility model provides the following technical solution: a concrete pouring liquid level measuring device for long-hole piles, comprising an installation platform, a measuring rod, and a warning unit; the installation platform is used to install on the top of the long-hole pile, and the installation platform has a vertically penetrating installation hole; the measuring rod passes through the installation hole of the installation platform to restrict the movement of the measuring rod in the horizontal direction, and a float is fixed at the bottom of the measuring rod, which rises under the buoyancy of the concrete, thereby driving the measuring rod to rise; the warning unit is located on the installation platform, and the warning unit is provided with a micro switch for activating the warning unit; the measuring rod is provided with a positioning ring for triggering the micro switch after the measuring rod rises to a preset height.

[0008] As a further embodiment of this utility model, the warning unit is disposed on the upper surface of the mounting platform; the positioning ring is disposed on the portion of the measuring rod located above the mounting platform; or, the positioning ring is disposed on the portion of the measuring rod located below the mounting platform, a slot is provided on the side of the mounting hole that vertically penetrates the mounting platform, a protrusion is fixedly disposed at the bottom of the warning unit for insertion and vertical passage through the slot, and the micro switch is disposed on the side of the protrusion extending beyond the bottom surface of the mounting platform facing the mounting hole, so that the micro switch enters the path range of the positioning ring.

[0009] As a further embodiment of this utility model, the warning unit and the installation platform are designed as separate units.

[0010] As a further embodiment of this utility model, a limiting block is fixedly provided at the top of the measuring rod to prevent the measuring rod from falling out of the mounting hole.

[0011] As a further embodiment of this utility model, the positioning ring is slidably disposed on the measuring rod, and there is a frictional force between the positioning ring and the measuring rod to resist the gravity of the positioning ring, so that the positioning ring can remain relatively stationary with the measuring rod when no external force is applied.

[0012] As a further embodiment of this utility model, the positioning ring is made of a magnet, and the measuring rod is made of a ferromagnetic material, with the positioning ring adsorbed onto the measuring rod.

[0013] As a further embodiment of this utility model, an elastic sheet is fixedly provided on the side of the inner cavity of the positioning ring facing the measuring rod for abutting against the surface of the measuring rod, so as to generate a frictional force against the gravity of the positioning ring at the contact position between the elastic sheet and the measuring rod.

[0014] As a further embodiment of this utility model, the two ends of the measuring rod are respectively provided with internal threads and external threads of matching diameter, so that the measuring rods can be connected to each other.

[0015] As a further embodiment of this utility model, the warning unit includes a housing, a buzzer fixed on the housing, and a warning light.

[0016] As a further embodiment of this utility model, an installation rod is fixedly provided at the bottom of the installation platform. There are at least two installation rods, and the distance between the two installation rods is not greater than the wall thickness of the long-hole pile casing, so that the installation rod can be clamped on the long-hole pile casing.

[0017] This utility model has the following beneficial effects:

[0018] This device uses an alarm unit installed on a mounting platform and a positioning ring on the measuring rod to trigger the microswitch on the alarm unit. During concrete pouring, the float at the bottom of the measuring rod rises with the rod under the buoyancy of the concrete. Once the rod reaches a preset height, the positioning ring triggers the microswitch on the alarm unit, activating the alarm unit to alert the workers. Workers can easily monitor the measuring rod without needing to constantly monitor it. The fixed distance between the positioning ring and the float ensures precise control of the concrete pouring height, reducing errors.

[0019] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The present utility model will now be described in further detail with reference to the figures. Attached Figure Description

[0020] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0022] Figure 2 This is a schematic diagram of the installation platform in this utility model.

[0023] Figure 3 This is a schematic diagram showing the disassembled structure of the installation platform and the warning unit in this utility model.

[0024] Figure 4 This is a schematic diagram of the measuring rod and positioning ring in this utility model.

[0025] Figure 5 This is a schematic diagram of the positioning ring in this utility model.

[0026] Legend:

[0027] 1. Mounting platform; 11. Mounting hole; 12. Mounting groove; 13. Mounting rod; 2. Measuring rod; 21. Float; 22. Positioning ring; 221. Elastic sheet; 23. Limiting block; 3. Warning unit; 31. Micro switch; 32. Protrusion; 33. Box; 34. Buzzer; 35. Warning light. Detailed Implementation

[0028] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered below.

[0029] Please see Figure 1-5 This utility model provides a technical solution: a concrete pouring liquid level measuring device for long-hole piles, including an installation platform 1, a measuring rod 2, and a warning unit 3; the installation platform 1 is used to install on the top of the long-hole pile, and the installation platform 1 has a vertical through-hole 11; the measuring rod 2 passes through the installation hole 11 of the installation platform 1 to restrict the movement of the measuring rod 2 in the horizontal direction, and a float 21 is fixed at the bottom of the measuring rod 2. The float 21 rises under the buoyancy of the concrete, which drives the measuring rod 2 to rise; the warning unit 3 is provided on the installation platform 1, and the warning unit 3 is provided with a micro switch 31 for activating the warning unit 3; the measuring rod 2 is provided with a positioning ring 22 for triggering the micro switch 31 after the measuring rod 2 rises to a preset height;

[0030] During operation, first install the mounting platform 1 on top of the long-aerial pile, and then insert the measuring rod 2 into the mounting hole 11 opened in the mounting platform 1, such as... Figure 1-2 As shown, the opening size of the mounting hole 11 matches the cross-sectional size of the measuring rod 2 to restrict the horizontal movement of the measuring rod 2. At this time, the measuring rod 2 can only move vertically within the mounting hole 11. The float 21 is located at the bottom of the measuring rod 2. When the concrete poured into the hollow pile comes into contact with the float 21, the float 21 will rise synchronously with the rise of the concrete liquid level. The measuring rod 2 is equipped with a positioning ring 22, which will rise with the rise of the measuring rod 2. When the positioning ring 22 rises a certain distance, it will contact the micro switch 31 used to activate the warning unit 3, thereby activating the warning unit 3 set on the installation platform 1. At this time, the warning unit 3 will issue a warning to remind the staff that the concrete liquid level in the hollow pile has reached or is about to reach the set height, thereby achieving the effect of accurately controlling the height of the pouring liquid level. By issuing a warning through the warning unit 3, the staff can be reminded when the concrete liquid level reaches or is about to reach the set height, eliminating the need for staff to regularly check the concrete liquid level height, making it simpler and more convenient to determine the concrete liquid level height.

[0031] This device features a warning unit 3 on the installation platform 1. The warning unit 3 is triggered by the positioning ring 22 after the measuring rod 2 rises to a certain height, alerting the workers and allowing them to determine the concrete level. This enables them to stop or control subsequent concrete pouring, precisely controlling the concrete level within the long-hole pile. The warning unit 3 also makes the device more convenient to use, eliminating the need for repeated checks of the level and reducing labor costs during concrete pouring. Furthermore, the fixed distance between the positioning ring and the float ensures that the warning unit is triggered immediately after the measuring rod rises to the preset height, allowing for precise control of the concrete pouring height and minimizing errors.

[0032] Specifically, such as Figure 2As shown, the warning unit 3 is located on the upper surface of the installation platform 1, which makes it easier for staff to see the warning unit 3, so that the warning unit 3 can be discovered by staff more quickly when it issues a warning.

[0033] Specifically, when the warning unit 3 is located on the upper surface of the mounting platform 1, if the positioning ring 22 is installed on the part of the measuring rod 2 located above the mounting platform 1, then the positioning ring 22 can directly contact the micro switch 31 on the warning unit 3, thereby activating the warning unit 3;

[0034] However, if the positioning ring 22 is located on the part of the measuring rod 2 below the mounting platform 1, such as Figure 3 As shown, a slot 12 is provided on the side of the mounting hole 11, which is vertically penetrating the mounting platform 1. A protrusion 32 for inserting and vertically passing through the slot 12 is fixedly provided at the bottom of the warning unit 3. A micro switch 31 is provided on the side of the protrusion 32 that extends beyond the bottom surface of the mounting platform 1 and faces the mounting hole 11, so that the micro switch 31 can enter the path range of the positioning ring 22, so that the positioning ring 22 located below the mounting platform 1 can also trigger the micro switch 31, thereby activating the warning unit 3.

[0035] Specifically, the warning unit 3 and the installation platform 1 are designed as separate units, which makes it easier to use, store and maintain them. When the installation platform 1 does not have a slot 12, the warning unit 3 and the installation platform 1 need to be connected by a connection structure to ensure the stability of the warning unit 3 during operation. The connection structure is a conventional technology in this field and will not be described in detail here. When the installation platform 1 has a slot 12, the protrusion 32 at the bottom of the warning unit 3 can be inserted into the slot 12. The cooperation between the protrusion 32 and the slot 12 ensures the stability of the warning unit 3 during use and ensures that the positioning ring 22 can normally trigger the micro switch 31.

[0036] Specifically, a limiting block 23 is fixedly installed at the top of the measuring rod 2 to prevent the measuring rod 2 from falling out of the mounting hole 11. When concrete is first poured into the long empty pile, the concrete level is low and cannot support the float 21. If the positioning ring 22 is installed below the mounting platform 1, the measuring rod 2 will not have upward support and will fall out of the mounting hole 11 directly from below. However, after the limiting block 23 is fixedly installed at the top of the measuring rod 2, the axial projection of the limiting block 23 on the axis of the measuring rod 2 exceeds the axial projection of the measuring rod 2. In this way, the limiting block 23 will not be able to pass through the mounting hole 11, thereby preventing the measuring rod 2 from falling out of the mounting hole 11 and ensuring that the measuring rod 2 can stay in the mounting hole 11.

[0037] Specifically, the positioning ring 22 is slidably mounted on the measuring rod 2. There is a frictional force between the positioning ring 22 and the measuring rod 2 to resist the gravity of the positioning ring 22, so that the positioning ring 22 can remain relatively stationary with the measuring rod 2 when no external force is applied. When measuring the liquid level on different long empty piles, the height of the positioning ring 22 on the measuring rod 2 can be adjusted by hand. When the height of the positioning ring 22 on the measuring rod 2 changes, the height of the positioning ring 22 from the concrete liquid surface will also change when the micro switch 31 is triggered. In other words, the position of the positioning ring 22 on the measuring rod 2 can be adjusted according to the final required concrete liquid level, so as to adapt to different long empty piles and have a wider range of applications.

[0038] Figure 4 The first example of mounting the positioning ring 22 on the measuring rod 2 is disclosed. In this example, the positioning ring 22 is made of magnet and the measuring rod 2 is made of ferromagnetic material. The positioning ring 22 is attracted to the measuring rod 2. The attraction between the positioning ring 22 and the measuring rod 2 allows the positioning ring 22 to be tightly attached to the surface of the measuring rod 2, thereby generating friction between the positioning ring 22 and the measuring rod 2. The friction is used to resist the gravity of the positioning ring 22, and the positioning ring 22 can remain relatively stationary with respect to the measuring rod 2. Only when an external force moves the positioning ring 22 upward or downward can the positioning ring 22 move along the axial direction of the measuring rod 2, thereby adjusting the distance between the positioning ring 22 and the float 21 to adapt to different long-term piles.

[0039] Figure 5 A second example of mounting the positioning ring 22 on the measuring rod 2 is disclosed. In this example, an elastic plate 221 is fixed on the side of the inner cavity of the positioning ring 22 facing the measuring rod 2 to abut against the surface of the measuring rod 2. This generates a frictional force at the contact point between the elastic plate 221 and the measuring rod 2, which resists the gravity of the positioning ring 22. The elastic force of the elastic plate 221 acts on the surface of the measuring rod 2, thereby generating a frictional force between the elastic plate 221 and the measuring rod 2. This frictional force is used to resist the gravity of the positioning ring 22. The positioning ring 22 can remain relatively stationary with respect to the measuring rod 2. Only when an external force moves the positioning ring 22 upward or downward can the positioning ring 22 move along the axial direction of the measuring rod 2, thereby adjusting the distance between the positioning ring 22 and the float 21 to adapt to different long empty piles.

[0040] If the positioning ring 22 is located below the installation platform 1, and the warning unit 3 issues a warning but the staff does not notice it in time or the warning unit 3 malfunctions, then the positioning ring 22, which rises with the measuring rod 2, may lift the installation platform 1 from below, causing the installation platform 1 to detach from the top of the long-term pile and eventually fall into the long-term pile. However, in the first and second examples of the positioning ring 22 installed on the measuring rod 2, if the positioning ring 22 comes into contact with the installation platform 1 during the process of rising with the measuring rod 2, the positioning ring 22 will not lift the installation platform 1 upward. Instead, the positioning ring 22 remains relatively stationary with the installation platform 1 as the measuring rod 2 rises, and the positioning ring 22 descends on the measuring rod 2, thereby preventing the positioning ring 22 from contacting and lifting the installation platform 1 during the rising process.

[0041] Specifically, the two ends of the measuring rod 2 are respectively provided with internal and external threads of matching diameter, so that the measuring rods 2 can be connected to each other. When using the measuring rod 2, multiple measuring rods 2 can be connected together to achieve the required length. When storing, the measuring rod 2 can be disassembled to facilitate the transportation and storage of the measuring rod 2. At the same time, the measuring rod 2 can be combined into different lengths to adapt to long empty piles with different concrete liquid level requirements, making it more versatile.

[0042] Specifically, such as Figure 2-3 As shown, the warning unit 3 includes a box 33, a buzzer 34 fixed on the box 33, and a warning light 35. After the warning unit 3 is activated, the buzzer 34 on the box 33 will emit a warning sound, and the warning light 35 will emit a warning light, which will remind the staff visually and audibly so that the staff can notice it in time.

[0043] Specifically, fixing the installation platform 1 to the top of the long-hole pile is a conventional technical means in this field. Preferably, the bottom of the installation platform 1 is fixedly provided with an installation rod 13. There are at least two installation rods 13, and the distance between the two installation rods 13 is not greater than the wall thickness of the long-hole pile casing, so that the installation rods 13 can be clamped on the long-hole pile casing. The casing is used for positioning, protecting the borehole opening and maintaining the mud water level. By clamping the two installation rods 13 on the casing, the installation platform 1 can be quickly fixed and disassembled, which is more convenient to use.

[0044] Preferred, such as Figure 3 As shown, there are four mounting rods 13 at the bottom of the mounting platform 1. The four mounting rods 13 are used in pairs. The two mounting rods 13 that cooperate with each other are spaced apart along the length of the mounting platform 1 so that the two mounting rods 13 that cooperate with each other can be clamped on the protective sleeve.

[0045] Optional, such as Figure 3As shown, the bottom end of the mounting rod 13 is inclined or bent away from the center of the length of the mounting platform 1, so that the bottom of the two mating mounting rods 13 is flared. The mounting rods 13 are squeezed and spread open by the inclined side or the bent part, which makes it easy for the protective sleeve to be inserted between the two mounting rods 13.

[0046] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

[0047] Finally, 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.

Claims

1. A device for measuring the liquid level in concrete pouring for long-hole piles, characterized in that: It includes an installation platform (1), a measuring rod (2), and a warning unit (3); The installation platform (1) is used to install on the top of the long-hole pile, and the installation platform (1) is provided with a vertical through-hole (11); The measuring rod (2) is inserted into the mounting hole (11) of the mounting platform (1) to restrict the movement of the measuring rod (2) in the horizontal direction. A float (21) is fixed at the bottom of the measuring rod (2). The float (21) rises under the buoyancy of the concrete and drives the measuring rod. ( 2) To rise; The warning unit (3) is mounted on the installation platform (1), and the warning unit (3) is provided with a micro switch (31) for activating the warning unit (3); The measuring rod (2) is provided with a positioning ring (22) for triggering the micro switch (31) after the measuring rod (2) is raised to a preset height.

2. The device for measuring the liquid level of concrete pouring in long-hole piles according to claim 1, characterized in that: The warning unit (3) is located on the upper surface of the installation platform (1); The positioning ring (22) is located on the part of the measuring rod (2) above the mounting platform (1); Alternatively, the positioning ring (22) is located on the part of the measuring rod (2) below the mounting platform (1), and the side of the mounting hole (11) is provided with a slot (12) that vertically penetrates the mounting platform (1). The bottom of the warning unit (3) is fixedly provided with a protrusion (32) for insertion and vertical passage through the slot (12). The micro switch (31) is located on the side of the protrusion (32) that extends beyond the bottom surface of the mounting platform (1) and faces the mounting hole (11), so that the micro switch (31) enters the path range of the positioning ring (22).

3. The device for measuring the liquid level of concrete pouring in long-hole piles according to claim 1, characterized in that: The warning unit (3) and the installation platform (1) are designed as separate units.

4. The device for measuring the liquid level of concrete pouring in long-hole piles according to claim 1, characterized in that: The top of the measuring rod (2) is fixedly provided with a limiting block (23) to prevent the measuring rod (2) from falling out of the mounting hole (11).

5. The device for measuring the liquid level of concrete pouring in long-hole piles according to claim 1, characterized in that: The positioning ring (22) is slidably mounted on the measuring rod (2). There is a frictional force between the positioning ring (22) and the measuring rod (2) to resist the gravity of the positioning ring (22), so that the positioning ring (22) can remain relatively stationary with the measuring rod (2) when no external force is applied.

6. The device for measuring the liquid level of concrete pouring in long-hole piles according to claim 5, characterized in that: The positioning ring (22) is made of magnet, and the measuring rod (2) is made of ferromagnetic material. The positioning ring (22) is adsorbed onto the measuring rod (2).

7. The device for measuring the liquid level of concrete pouring in long-hole piles according to claim 5, characterized in that: The inner cavity of the positioning ring (22) facing the measuring rod (2) is fixed with an elastic piece (221) for abutting against the surface of the measuring rod (2) so as to generate a frictional force against the gravity of the positioning ring (22) at the contact position between the elastic piece (221) and the measuring rod (2).

8. The device for measuring the liquid level of concrete pouring in long-hole piles according to claim 1, characterized in that: The two ends of the measuring rod (2) are respectively provided with internal threads and external threads of matching diameter, so that the measuring rods (2) can be connected to each other.

9. The device for measuring the liquid level of concrete pouring in long-hole piles according to claim 1, characterized in that: The warning unit (3) includes a housing (33), a buzzer (34) fixed on the housing (33), and a warning light (35).

10. The device for measuring the liquid level of concrete pouring in long-hole piles according to claim 1, characterized in that: The bottom of the installation platform (1) is fixedly provided with an installation rod (13). There are at least two installation rods (13), and the distance between the two installation rods (13) is not greater than the wall thickness of the long-hole pile casing, so that the installation rod (13) can be clamped on the long-hole pile casing.

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