CN223154182U - Simple pier pile foundation scouring depth monitoring device - Google Patents
Simple pier pile foundation scouring depth monitoring deviceInfo
- Publication number
- CN223154182U CN223154182U CN202422356718.6U CN202422356718U CN223154182U CN 223154182 U CN223154182 U CN 223154182U CN 202422356718 U CN202422356718 U CN 202422356718U CN 223154182 U CN223154182 U CN 223154182U
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- CN
- China
- Prior art keywords
- detection probe
- pile foundation
- probe rod
- monitoring device
- pier
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Abstract
本实用新型属于桥梁桩基检测技术领域，具体涉及一种简易桥墩桩基冲刷深度监测装置。包括：检测探杆，检测探杆与河床冲刷线接触的一端设有重锤另一端设有指针，墩柱上设有与指针对应的刻度；固定装置，用于固定检测探杆与墩柱连接，确保检测探杆与墩柱平行，同时使检测探杆可以在垂直方向自由移动。本实用新型通过指针指向的刻度反映实际冲刷深度，监测过程简单直接，测得的数据真实准确，同时通过优选方案设置的保护套筒，提高本实用新型的耐用性和稳定性。本实用新型结构简单，不易损坏，安装快捷，在不同水流条件下具有优异的耐久性，成本较低，有利于推广应用。
The utility model belongs to the technical field of bridge pile foundation detection, and specifically relates to a simple scour depth monitoring device for bridge pier pile foundation. It comprises: a detection probe rod, a weight is provided at one end of the detection probe rod in contact with the riverbed scour line and a pointer is provided at the other end, and a scale corresponding to the pointer is provided on the pier column; a fixing device is used to fix the detection probe rod and the pier column to ensure that the detection probe rod is parallel to the pier column, and at the same time, the detection probe rod can move freely in the vertical direction. The utility model reflects the actual scour depth through the scale pointed by the pointer. The monitoring process is simple and direct, and the measured data is true and accurate. At the same time, the protective sleeve provided by the preferred scheme improves the durability and stability of the utility model. The utility model has a simple structure, is not easy to damage, is quick to install, has excellent durability under different water flow conditions, has a low cost, and is conducive to popularization and application.
Description
Technical Field
The utility model belongs to the technical field of bridge pile foundation detection, and particularly relates to a simple bridge pier pile foundation scouring depth monitoring device.
Background
The bridge foundation is an important structure of the bridge, and is often subjected to the scouring action of water flow under the action of a flow field environment. Wherein, the local scouring generated around the foundation can lead the sediment around the foundation to be taken away, generate vortex and erosion so as to form a scouring pit. The stability of the bridge foundation is affected by the lowering of the river bed caused by the flushing, thereby threatening the safety of the bridge and related structures. The traditional underwater detection methods such as frogman diving detection are high in cost and have safety risks. At present, acoustic-optical sensors are adopted for monitoring, and although the change of the scouring depth can be accurately monitored, the sensors are limited by the use environment,
The installation and maintenance costs are high. Therefore, a mechanical monitoring device is needed to meet the requirements of convenient installation and reliable monitoring.
The technical scheme of the patent CN201520587295.7 comprises a heavy iron, a combined steel pipe, a fixed steel frame, a measuring device and a communication device, wherein the heavy iron is attached to the ground of a river bed, the combined steel pipe comprises an inner steel pipe and an outer steel pipe, the inner diameter of the outer steel pipe is larger than the outer diameter of the inner steel pipe, the inner steel pipe is arranged inside the outer steel pipe, the fixed steel frame is connected with the side edge of the outer steel pipe and a pier, the measuring device is connected with the inner steel pipe, and the communication device is connected with the measuring device.
But in this technical scheme, the displacement of steel pipe in measuring is through the displacement meter of acting as go-between, is connected measuring device with interior steel pipe through acting as go-between, judges the scouring degree of depth through the flexible length of acting as go-between, and data presentation is not directly perceived, produces the error easily. And the device has more parts, and part of the parts are easy to break down in turbulent water flow. Therefore, a pier pile foundation scouring depth monitoring device with simple structure and reliable operation is needed to meet the daily monitoring of different water flow conditions.
Disclosure of utility model
The utility model provides a simple pier pile foundation flushing depth monitoring device for overcoming the defects that a flushing depth monitoring device adopting a sensor in the prior art is difficult to adapt to complex working conditions, is easy to damage and is relatively complex to install and maintain.
In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme:
a simple pier pile foundation washout depth monitoring device, comprising:
the detecting probe rod is provided with a heavy hammer at one end contacted with the riverbed flushing line, a pointer at the other end, and scales corresponding to the pointer are arranged on the pier column;
The fixing device is used for fixing the detection probe rod to be connected with the pier stud, ensuring that the detection probe rod is parallel to the pier stud, and enabling the detection probe rod to move freely in the vertical direction.
The bridge pier pile foundation is ensured to be a foundation of bridge safety, if the bridge pier pile foundation is hollowed out under the influence of river bed scouring, the bridge can possibly sink or even collapse, and the scouring depth can possibly change due to the extremely increased water flow, so that the monitoring of the pile foundation scouring depth should be kept at a certain frequency, and the bridge safety is ensured. The traditional monitoring mode is mainly that a diver directly descends to check the riverbed condition around the pile foundation, and the underwater camera or sonar equipment is used for scanning the periphery of the pile foundation so as to acquire images or data of the scouring depth. However, the method has higher requirements on water quality, is time-consuming and labor-consuming to monitor, and is not suitable for monitoring the normalized flushing depth. At present, more sensor monitoring methods are used, the flushing depth is measured by utilizing data such as sound and light, the data precision is high, the device cost is high, the installation and maintenance are complex, the sensor is easy to fail in a complex working condition, particularly in a scene of water flow change, and the sensor power supply is limited by the working environment and is not easy to solve. Therefore, a simple scouring depth measuring device with simple structure, quick installation and maintenance, stable operation and visual data is needed to adapt to daily scouring depth monitoring.
The utility model comprises a detection probe rod, wherein one end of the detection probe rod is provided with a heavy hammer which can ensure that the detection probe rod is clung to a river bed, the other end of the detection probe rod is provided with a pointer, the pointer is preferably made of PVC plastic for preventing corrosion, and the pier column at the position corresponding to the pointer is provided with scales. The detection probe rod is connected with the bridge pier through the plurality of fixing devices, so that the detection probe rod can move freely in the vertical direction, and meanwhile, the detection probe rod is ensured to be parallel to the bridge pier, and the reading is accurate.
Preferably, the fixing device comprises an anchor plate clung to the pier column, and the anchor plate is fixedly connected with the pier column through an anchor bolt. In order to ensure the stability of the flushing depth monitoring device, an anchor plate consistent with the radian of the pier stud is selected, the contact area between the anchor plate and the pier stud is increased, and the anchor plate is clung to the pier stud through an anchor bolt, so that the monitoring device can be kept stable in turbulent water flow.
Preferably, the fixing device comprises an annular sleeve for sleeving the detection probe rod. The inner diameter of the annular sleeve is slightly larger than the diameter of the detection probe, so that the detection probe can freely move in the annular sleeve.
Preferably, the annular sleeve is provided with an opening, two extending parts extend outwards from the opening, and the extending parts are mutually attached through fastening bolts. Because detect the probe rod and expose in rivers, need to maintain and change detecting the probe rod, and the anchor slab passes through the crab-bolt to be fixed and frequently dismantle on the pier stud and can influence stability, it is more convenient to dismantle in fixing device department. On the other hand, the tightness degree of the annular sleeve can be controlled through the fastening bolts, so that the detection probe rod can be ensured to freely move in the vertical direction.
Preferably, the anchor plate is further provided with a protective sleeve capable of coating the detection probe rod, and the protective sleeve is provided with a display window capable of displaying the position of the pointer. The flushing depth monitoring device is often arranged at a bridge pier where water flow is turbulent, needs to bear larger water flow impact and can be influenced by foreign matters in the water flow, so that the detection probe rod is externally provided with the protective sleeve, the protective sleeve is welded with the anchor plate or integrally formed, and the protective sleeve is provided with the display window at the pointer moving position for exposing the pointer.
As a further preference, the display window is rectangular.
As a further preferable mode, scales corresponding to the pointer are further arranged on two sides of the display window. Because of the cover of the protective sleeve, the scales on the two sides of the display window can be used for replacing the scales on the pier stud, so that the reading is more visual.
Preferably, the fixing device further comprises a chute bracket for sleeving the detection probe rod. The integrated sliding groove support is used as a support of the detection probe rod, so that the detection probe rod can move freely in the vertical direction.
As a further preferable mode, one end of the chute bracket is fixedly connected with the anchor plate, and the other end of the chute bracket is fixedly connected with the protection sleeve. A space for accommodating the detection probe rod is formed between the anchor plate and the protection sleeve, the chute bracket is fixed with the anchor plate and the protection sleeve, the impact resistance of the detection probe rod can be further improved, and the protection sleeve is supported in an auxiliary mode.
Preferably, the weight is a cone with a large top and a small bottom. Through designing the weight into the toper, can make the weight anchor a little distance into the riverbed on the one hand, guarantee the stability of detecting the probe rod, on the other hand avoid the weight to sink into the riverbed, lead to the pointer reading error too big.
Therefore, the utility model has the following beneficial effects:
(1) The actual scouring depth is reflected by the scale pointed by the pointer, the monitoring process is simple and direct, and the measured data is real and accurate;
(2) According to the utility model, through the protective sleeve arranged in the preferable scheme, the monitoring device can adapt to various water flow environments, and meanwhile, the pointer reading is more convex and visual.
(2) The utility model monitors the scour depth of the pier pile foundation through the simple mechanical device, has simple structure, is not easy to damage, greatly reduces the monitor of the scour depth of the pier pile foundation, is relatively simple and quick to install, has excellent durability in the water flow environment, has lower cost, and is favorable for popularization and application in production practice.
Drawings
Fig. 1 is a schematic structural diagram of a simple pier pile foundation flushing depth monitoring device according to embodiment 1 of the present utility model.
Fig. 2 is a plan view of a simple pier foundation flushing depth monitoring device according to embodiment 1 of the present utility model.
Fig. 3 is a schematic structural view of a fixing device according to embodiment 1 of the present utility model.
Fig. 4 is a schematic structural diagram of a simple pier pile foundation flushing depth monitoring device according to embodiment 2 of the present utility model.
Fig. 5 is a side view of a simple pier foundation flushing depth monitoring device according to embodiment 2 of the present utility model.
Fig. 6 is a top view of a simple pier foundation flushing depth monitoring device according to embodiment 2 of the present utility model.
Fig. 7 is a schematic view of a detection probe according to embodiment 2 of the present utility model.
In the drawing, a river bed flushing line 1, a pier column 2, a detection probe 10, a heavy hammer 11, a pointer 12, a fixing device 20, an anchor plate 21, an anchor bolt 22, an annular sleeve 23, an opening 24, an extension part 25, a fastening bolt 26, a protection sleeve 30, a display window 31 and a chute bracket 32.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples. Those of ordinary skill in the art will be able to implement the utility model based on these descriptions. In addition, the embodiments of the present utility model referred to in the following description are typically only some, but not all, embodiments of the present utility model. Therefore, all other embodiments, which can be made by one of ordinary skill in the art without undue burden, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
Example 1:
As shown in fig. 1-2, the present embodiment includes a detecting probe 10 for measuring the scouring degree of pile foundation, one end of the detecting probe 10 contacting with the river bed scouring line 1 is provided with a heavy hammer 11, the other end is provided with a PVC plastic pointer 12 for indicating, and the moving range of the pointer 12 on the pier column 2 is provided with a scale corresponding to the pointer. Two fixing devices 20 are arranged between the detection probe rod and the pier column, each fixing device 20 comprises an anchor plate 21 and an annular sleeve 23, the radian of each anchor plate 21 is consistent with that of the pier column 2, two hole sites for anchoring an anchor bolt 22 are arranged on each anchor plate 21, the whole device can be stabilized on the pier column 2 through the anchor bolts 22, an opening 24 is arranged on the outer side of each annular sleeve 23, two sections of extension parts 25 extend out of the opening, the tightness degree of each extension part 25 can be adjusted through fastening bolts 26, and therefore the inner diameter of each annular sleeve 23 is adjusted, so that after the annular sleeve 23 is inserted into the detection probe rod 10, the detection probe rod 10 can move up and down freely, and the vertical state is kept.
The procedure for this example was as follows:
When the simple pier pile foundation flushing depth monitoring device is installed, firstly, holes are drilled on pier columns 2 corresponding to hole positions of anchor plates 21, anchor bolts 22 are fixed at the holes of the anchor plates 21, then detection probe rods 10 are inserted into annular sleeves 23, fastening bolts 25 are adjusted to ensure that the detection probe rods 10 are kept vertical and can slide up and down freely, heavy weights 11 are placed on riverbed flushing lines 1, and scales are marked on the pier columns 2 near the positions corresponding to pointers 12. When the device works, as the water flow scour riverbed scour line 1 descends, the heavy hammer 11 descends along with the water flow scour riverbed scour line, and the pointer 11 is driven to point to different scales on the pier column 2, so that the pile foundation scour depth is visually displayed.
Example 2:
As another embodiment, as shown in fig. 4-7, the embodiment includes a detecting probe 10 for measuring the scouring degree of pile foundation, one end of the detecting probe 10 contacting with the river bed scouring line 1 is provided with a conical heavy hammer 11 with a big top and a small bottom, and the other end is provided with a PVC plastic pointer 12 for indication. The embodiment further comprises a fixing device 20, wherein the fixing device 20 comprises three parts, namely three anchor plates 21 with radian consistent with that of the pier stud 2, wherein the anchor plates 21 are fixed on the pier stud 2 through anchor bolts 22, a chute bracket 32 for sleeving the detection probe rod 10, the inner diameter of the chute bracket 32 is slightly larger than that of the detection probe rod 10, and a stainless steel protective sleeve 30 for coating the detection probe rod 10, wherein the chute bracket 32 is arranged between the anchor plates 21 and the protective sleeve 30, and the three parts are fixed by welding or integrally formed so as to ensure that the device can resist turbulent water flow. A rectangular display window 31 is provided on the protective sleeve 30 to display the up-and-down movement of the pointer 12, and scales for displaying the flushing depth are provided on the left and right sides of the display window 31.
The specific use procedure of this example is as follows:
When the simple pier pile foundation flushing depth monitoring device is installed, firstly, the detection probe rod 10 is assembled with the fixing device 20, the detection probe rod 10 is inserted into the three chute brackets 32, then holes are drilled at the corresponding positions of the anchor plate 21 holes on the pier column 2, the anchor plate 21 is placed at the holes to fix the anchor bolts 22, and therefore the simple pier pile foundation flushing depth monitoring device in the embodiment is quickly installed. When the device works, as the water flow scour riverbed scour line 1 descends, the conical heavy hammer 11 descends along with the water flow scour riverbed scour line, and the pointer 11 is driven to point to scales on the left side and the right side of the display window 31, so that the pile foundation scour depth is visually displayed.
Claims (10)
1. The simple pier pile foundation scouring depth monitoring device is characterized by comprising a detection probe rod (10), wherein one end of the detection probe rod (10) contacted with a riverbed scouring line (1) is provided with a heavy hammer (11), the other end of the detection probe rod is provided with a pointer (12), the detection probe rod (10) is connected with a pier column (2) through a fixing device (20), so that the detection probe rod (10) can freely move in the vertical direction, and the pier column (2) is provided with scales corresponding to the pointer (12).
2. The simple pier pile foundation flushing depth monitoring device according to claim 1, wherein the fixing device (20) comprises an anchor plate (21) which is tightly attached to the pier column (2), and the anchor plate (21) is fixedly connected with the pier column (2) through an anchor bolt (22).
3. The simple pier pile foundation flushing depth monitoring device according to claim 2, wherein the fixing device (20) comprises an annular sleeve (23) for sleeving the detection probe rod (10).
4. The simple pier pile foundation washout depth monitoring device according to claim 3, wherein the annular sleeve (23) is provided with an opening (24), the opening (24) is outwards extended with two extending parts (25), and the extending parts (25) are mutually attached through fastening bolts (26).
5. The simple pier pile foundation flushing depth monitoring device of claim 2, wherein the anchor plate (21) is further provided with a protective sleeve (30) capable of coating the detection probe rod (10), and the protective sleeve (30) is provided with a display window (31) capable of displaying the position of the pointer (12).
6. The simple pier pile foundation washout depth monitoring device according to claim 5, wherein the display window (31) is rectangular.
7. The simple pier pile foundation washout depth monitoring device according to claim 6, wherein scales corresponding to the pointers (12) are further arranged on two sides of the display window (31).
8. The simple pier pile foundation washout depth monitoring device according to claim 5, wherein the fixing device (20) further comprises a chute bracket (32) for sleeving the detection probe rod (10).
9. The simple pier pile foundation washout depth monitoring device according to claim 8, wherein one end of the chute bracket (32) is fixedly connected with the anchor plate (21), and the other end of the chute bracket is fixedly connected with the protection sleeve (30).
10. The simple pier pile foundation flushing depth monitoring device according to any one of claims 1 to 9, wherein the heavy hammer (11) is a conical shape with a large upper part and a small lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422356718.6U CN223154182U (en) | 2024-09-26 | 2024-09-26 | Simple pier pile foundation scouring depth monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422356718.6U CN223154182U (en) | 2024-09-26 | 2024-09-26 | Simple pier pile foundation scouring depth monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223154182U true CN223154182U (en) | 2025-07-25 |
Family
ID=96463617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422356718.6U Active CN223154182U (en) | 2024-09-26 | 2024-09-26 | Simple pier pile foundation scouring depth monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223154182U (en) |
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2024
- 2024-09-26 CN CN202422356718.6U patent/CN223154182U/en active Active
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