CN212030485U - Removable type multi-measuring-point uninterrupted displacement monitoring device - Google Patents
Removable type multi-measuring-point uninterrupted displacement monitoring device Download PDFInfo
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- CN212030485U CN212030485U CN202020590268.6U CN202020590268U CN212030485U CN 212030485 U CN212030485 U CN 212030485U CN 202020590268 U CN202020590268 U CN 202020590268U CN 212030485 U CN212030485 U CN 212030485U
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Abstract
The utility model discloses a hole monitoring technology field is surveyd to water conservancy project resistance body side slope millet width of cloth a removable many measurement stations incessant displacement monitoring devices, including steel pipe and two sets of steel sheet, two sets of steel sheet are located the both ends outer wall of steel pipe respectively, the outer wall of two sets of steel sheet is all installed and is connected the fender rod, it includes the graphite connecting rod to connect the fender rod, the outer wall of graphite connecting rod has cup jointed first protection tube, the outer wall of first protection tube has cup jointed the second protection tube, the anchor head is installed to the right-hand member of left part graphite connecting rod, the left end joint of right part graphite connecting rod has displacement meter to connect, the outer wall spiro union of displacement meter connects the screw rod, displacement meter's left part is installed displacement meter cylinder, the left wall spiro union of displacement meter cylinder has sensor coupling nut, the mode that this device removable many measurement stations displacement monitoring devices do not bury the concrete through the monitoring instrument, The installation and operation are convenient, batch production and processing can be carried out, and the production cost is effectively reduced.
Description
Technical Field
The utility model discloses an incessant displacement monitoring devices of removable type multiple measuring station specifically is hydraulic engineering resistance body side slope millet width of cloth observation hole monitoring technology field.
Background
The valley width refers to the width of the river valley on both sides. In order to know the deformation characteristics of the river valley during construction and water storage operation, corresponding displacement monitoring work is often performed in the observation holes of the valley amplitude of the side slopes of the left and right bank resistance bodies. Generally, measuring points are arranged in a valley amplitude observation hole according to a certain requirement, the distance between two points is observed to obtain long observation data of each period, and the deformation information of the hole is obtained by analyzing the change of the observation data of each period.
The traditional monitoring of the displacement of the valley amplitude holes is carried out in a mode of combining internal appearance with external appearance, and mutual verification and analysis are carried out by using internal appearance data and external appearance data. The monitoring points set according to a certain distance are composed of surface deformation observation piers, interior observation monitoring equipment and displacement transfer rods between the measuring points. The appearance displacement monitoring method mainly utilizes a distance observation means of a total station instrument to monitor the distance change condition between each monitoring point; the internal displacement monitoring is to monitor the distance change condition by using a horizontal displacement meter embedded at each monitoring point, and the adjacent measuring points are connected by adopting graphite rods to play a role in displacement transmission.
The existing mounting method of the internal observation monitoring instrument is that displacement monitoring equipment is directly embedded in each monitoring point, concrete is poured compactly, and the displacement monitoring equipment cannot be replaced in the later period; and the influence of the contact friction between the displacement transmission rod and the protective pipe on the displacement monitoring is not considered in the existing installation method. Therefore, the mounting method has the following disadvantages: the monitoring instrument is not replaceable, and if equipment is damaged or fails in the later operation period, a measuring point cannot obtain accurate and complete monitoring data, so that the safety of engineering is not facilitated; (2) the friction between the displacement transmission rod and the protection tube influences the accuracy of the monitoring result. In conclusion, the existing installation method cannot meet the requirement of high-precision replaceable grain width displacement monitoring, and the existing construction process is in urgent need of modification and innovation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an incessant displacement monitoring devices of removable type multiple measuring station to effectual friction influence between displacement connecting rod and the pillar of having solved. The device has the characteristics of being replaceable, practical, safe, reliable, simple in structure and the like, and effectively ensures the completeness and reliability of monitoring data.
In order to achieve the above object, the utility model provides a following technical scheme: a replaceable multi-measuring-point uninterrupted displacement monitoring device comprises a steel pipe and two groups of steel plates, wherein the two groups of steel plates are respectively positioned on the outer walls of two ends of the steel pipe, connecting and protecting rods are mounted on the outer walls of the two groups of steel plates, each connecting and protecting rod comprises a graphite connecting rod, a first protecting pipe is sleeved on the outer wall of each graphite connecting rod, one end of each graphite connecting rod and one end of each first protecting pipe penetrate through the outer wall of the steel pipe, a second protecting pipe is sleeved on the outer wall of each first protecting pipe, an anchor head is mounted at the right end of the graphite connecting rod at the left part, a displacement meter connector is clamped at the left end of the graphite connecting rod at the right part, a screw rod is screwed on the outer wall of the displacement meter connector, the outer end of the screw rod penetrates through the outer wall of the steel pipe, a displacement meter cylinder is mounted at the left part of the displacement meter connector, a sensor connector nut is, the cable is positioned in the inner cavity of the sensor joint nut.
Preferably, the right wall of the anchor head is welded with a connecting nut, and the screw rod is connected with the connecting nut.
Preferably, the outer wall of the graphite connecting rod is clamped with an antifriction bearing.
Preferably, the steel pipe is a galvanized steel pipe with the diameter of 168mm, the wall thickness of 3mm and the length of 800 mm.
Preferably, the screws are provided with three sets.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the replaceable multi-measuring-point displacement monitoring device effectively solves the problem that a displacement monitoring sensor is not replaceable in a mode that a monitoring instrument is not embedded into concrete, and anti-friction bearings installed at certain intervals effectively reduce friction between a graphite connecting rod and a protective pipe, so that measured data are more real and reliable;
2) the device has guaranteed the permanent validity of whole set of millet width of cloth displacement monitoring system because of its convertibility, has very big economic benefits, and the device inner structure is retrencied, is convenient for processing, installation simple operation, can carry out batch production processing, effectively reduction in production cost.
Drawings
Fig. 1 is a schematic view of the front view structure of the displacement monitoring device of the present invention;
FIG. 2 is a front cross-sectional view of the displacement monitoring device of the present invention;
fig. 3 is the left-side view schematic diagram of the displacement meter connector of the present invention.
In the figure: 100 steel pipes, 110 steel plates, 200 connecting protection rods, 210 graphite connecting rods, 220 first protection pipes, 230 second protection pipes, 240 anchor heads, 300 displacement meter connectors, 310 screw rods, 320 displacement meter cylinders, 330 sensor connector nuts and 331 cable wires.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The operation steps of the replaceable multi-measuring-point uninterrupted displacement monitoring device are as follows:
1. and processing the galvanized steel pipe with the length of 800mm, the diameter of 168mm and the wall thickness of 3mm as protection equipment of the device.
2. Processing a steel plate with the diameter of 168mm and the thickness of 4 mm; a hole with the diameter of 51mm is formed at the position 41mm away from the center of the steel plate; a hole with the diameter of 51mm is formed at the position away from the center of the steel plate; the steel plate is provided with holes so as to facilitate the passing of the protection tube and equipment.
3. Holes with the diameter of 12mm are drilled in the top and the bottom of the steel plate, M10 screw caps are welded on the inner pipe wall of the corresponding part of the drilled hole, so that an M10 screw rod penetrates through the hole and screws in the screw caps to fix the steel plate, and the protection effect is achieved.
4. Drilling holes in 3 directions of 120 degrees at a position 300mm away from the pipe orifice, and welding nuts on the outer pipe wall of the drilling position so that the screw can penetrate through the screwed pipe; and 3 screw rods screwed in 120-degree directions are used for fixing the single-point displacement meter cylinder and the anchor head.
5. Through 3 fixed single-point displacement meter joints of 120 orientation precession screw rods, the displacement meter sensor adopts the mode of precession sensor joint nut to fix, can screw out if the sensor damages and change.
6. And (3) processing and fixing the anchor head in advance, welding an M10 nut at the tail end of the anchor head, and screwing in through a screw rod in the direction of 120 degrees to fixedly connect the anchor head.
7. The device is installed, firstly, the surface cylinder and the anchor head of the displacement sensor are fixed in a phi 168mm galvanized steel pipe; and then pouring the galvanized steel pipe into a surface observation pier (the length of the observation pier is 800mm consistent with that of the steel pipe) to ensure that pipe orifices at two ends are not blocked by concrete.
8, after the concrete is solidified, mounting displacement meter sensors and graphite connecting rods through pipe orifices at two ends; the outer part of the graphite connecting rod is sleeved with a phi 20mm protective tube for protection, and an anti-friction bearing (with the inner diameter of 7mm and the outer diameter of 19mm) is arranged between the graphite connecting rod and the protective tube every 3 meters, so that the friction between the graphite connecting rod and the protective tube is reduced.
9. And a device protection pipe with the diameter of 50mm is sleeved outside the graphite connecting rod protection pipe to protect the transmission section.
10. And after the installation is finished, tensioning the single-point displacement meter according to the technical requirements, observing in the installation process by using a string type reading instrument, measuring the value normally (and recording data), and finally preferably carrying out cable traction and cable protection work.
While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed herein can be used in any combination with one another, and the description of such combinations that is not exhaustive in this specification is merely for brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The utility model provides an incessant displacement monitoring devices of removable type multiple measuring point, includes steel pipe (100) and two sets of steel sheets (110), its characterized in that: the two groups of steel plates (110) are respectively positioned on the outer walls of two ends of a steel pipe (100), the outer walls of the two groups of steel plates (110) are respectively provided with a connecting protection rod (200), the connecting protection rod (200) comprises a graphite connecting rod (210), the outer wall of the graphite connecting rod (210) is sleeved with a first protection pipe (220), one ends of the graphite connecting rod (210) and the first protection pipe (220) penetrate through the outer wall of the steel plate (110), the outer wall of the first protection pipe (220) is sleeved with a second protection pipe (230), the left end of the graphite connecting rod (210) is provided with an anchor head (240), the right end of the graphite connecting rod (210) is clamped with a displacement meter connector (300), the outer wall of the displacement meter connector (300) is screwed with a screw rod (310), the outer end of the screw rod (310) penetrates through the outer wall of the steel pipe (100), and the left end of the displacement meter connector (300) is provided with a displacement meter cylinder (, the left wall spiro union of displacement meter table section of thick bamboo (320) has sensor joint nut (330), the left end of displacement meter table section of thick bamboo (320) is provided with cable conductor (331), cable conductor (331) are located the inner chamber of sensor joint nut (330).
2. The device for monitoring the displacement of the replaceable multi-measuring-point uninterrupted displacement, according to the claim 1, is characterized in that: the right wall of anchor head (240) has welded connection nut, screw rod (310) are connected with connection nut.
3. The device for monitoring the displacement of the replaceable multi-measuring-point uninterrupted displacement, according to the claim 1, is characterized in that: the outer wall joint of graphite connecting rod (210) has antifriction bearing.
4. The device for monitoring the displacement of the replaceable multi-measuring-point uninterrupted displacement, according to the claim 1, is characterized in that: the steel pipe (100) is a galvanized steel pipe with the diameter of 168mm, the wall thickness of 3mm and the length of 800 mm.
5. The device for monitoring the displacement of the replaceable multi-measuring-point uninterrupted displacement, according to the claim 1, is characterized in that: the screws (310) are provided with three groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020590268.6U CN212030485U (en) | 2020-04-20 | 2020-04-20 | Removable type multi-measuring-point uninterrupted displacement monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020590268.6U CN212030485U (en) | 2020-04-20 | 2020-04-20 | Removable type multi-measuring-point uninterrupted displacement monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212030485U true CN212030485U (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020590268.6U Active CN212030485U (en) | 2020-04-20 | 2020-04-20 | Removable type multi-measuring-point uninterrupted displacement monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212030485U (en) |
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2020
- 2020-04-20 CN CN202020590268.6U patent/CN212030485U/en active Active
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