Ground subsidence measuring device

Abstract

The utility model discloses a ground subsidence measuring device which comprises a supporting column buried underground, the supporting column is connected with a supporting disc, a fixing ring is arranged in the supporting disc, an inserting hole is formed in the fixing ring, a tripod is arranged on the supporting disc, the lower end of the tripod is inserted into the inserting hole, a measuring instrument is arranged on the tripod, and the measuring instrument is connected with the supporting disc. The supporting column is of a hollow structure, a monitoring rod is arranged in the supporting column, and a filling layer is further arranged in the supporting column. According to the ground subsidence measuring device, the inner protective cover and the outer protective cover are arranged outside the monitoring rod, so that the protection effect on the monitoring rod is greatly improved, and inaccurate ground subsidence measurement caused by external influence on the monitoring rod is avoided; meanwhile, the fixing ring is arranged, and the insertion hole is formed in the fixing ring, so that the tripod of the measuring instrument is conveniently and stably placed; the rotatable conical plug is arranged at the lower end of the tripod, so that the tripod can be conveniently inserted into soil, and accidental injury of the tip of the conical plug is avoided after folding.

Description

Technical Field

[0001] The utility model belongs to the technical field of ground subsidence measurement, and in particular relates to a ground subsidence measurement device. Background Art

[0002] Ground subsidence is also called sinking of measuring device or ground subsidence. It is a local downward movement that causes the surface elevation of the earth to decrease due to the consolidation and compression of loose underground strata under the influence of human engineering and economic activities.

[0003] When measuring ground subsidence, a monitoring instrument is often used to monitor pre-buried monitoring poles. The monitoring instrument can be a theodolite or a level, both of which have the ability to measure ground subsidence. The monitoring poles are usually steel bars buried underground with protective steel pipes on the outside. The structure is too simple and the function is single. Utility Model Content

[0004] The purpose of the utility model is to provide a ground subsidence measuring device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ground subsidence measuring device, comprising a support column buried underground, the support column is connected to a support plate, a fixing ring is arranged inside the support plate, a socket is provided on the fixing ring, a tripod is arranged on the support plate, the lower end of the tripod is inserted into the socket, a measuring instrument is arranged on the tripod, the support column is a hollow structure, a monitoring rod is arranged inside the support column, and a filling layer is also arranged inside the support column.

[0006] Preferably, the upper end of the monitoring rod is higher than the plane where the bottom of the supporting plate is located, and a ball head is arranged at the upper end of the monitoring rod.

[0007] Preferably, an inner protective cover is provided on the upper part of the monitoring rod and located on the supporting plate.

[0008] Preferably, a plug-in device is provided at the bottom of the tripod for easy insertion into soil.

[0009] Preferably, the plug-in device includes a connecting sleeve, a conical plug, a pedal rod and a connecting rod, the pedal rod is arranged on one side of the connecting sleeve, an axle rod is arranged inside the pedal rod, the axle rod is rotatably connected to one end of the connecting rod, and the other end of the connecting rod is connected to the conical plug.

[0010] Preferably, the connecting sleeve is provided with an internal thread, and the connecting sleeve is threadedly connected to the tripod.

[0011] Preferably, the pedal rods are two parallel metal plates.

[0012] Preferably, an outer protective cover is provided on the support plate.

[0013] The technical effects and advantages of the utility model are as follows: the ground subsidence measuring device greatly improves the protection effect of the monitoring rod by arranging an inner protective cover and an outer protective cover on the outside of the monitoring rod, thereby preventing the monitoring rod from being affected by the outside and causing inaccurate ground subsidence measurement; at the same time, a fixing ring is arranged, and a socket is arranged on the fixing ring, so as to facilitate the stable placement of the tripod of the measuring instrument;

[0014] A rotatable conical plug is provided at the lower end of the tripod, which is not only convenient for inserting into the soil, but also avoids accidental injury to the tip of the conical plug after it is folded up. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the support column and support plate structure of the utility model;

[0017] Figure 3 This is a schematic cross-sectional view of the support column and support plate of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the plug-in device of the utility model.

[0019] In the figure: 1. support column; 2. support plate; 3. fixing ring; 4. socket; 5. tripod; 6. plug-in device; 61. connecting sleeve; 62. conical plug; 63. pedal; 64. connecting rod; 7. measuring instrument; 8. outer protective cover; 9. monitoring rod; 10. filling layer; 11. inner protective cover. DETAILED DESCRIPTION

[0020] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0021] The utility model provides Figure 1-4A ground subsidence measuring device shown in the figure comprises a support column 1 buried underground, a support plate 2 is welded to the support column 1, the support plate 2 is an open stainless steel circular plate, the inner depth of the plate is 12 cm, a fixing ring 3 is welded to the edge of the inner cavity of the support plate 2, a socket 4 is provided on the fixing ring 3, a tripod 5 is arranged on the support plate 2, the lower end of the tripod 5 is plugged into the socket 4, and a plug-in device 6 is arranged at the bottom of the tripod 5 for easy insertion into the soil; the plug-in device 6 comprises a connecting sleeve 61, a conical plug 62, a pedal rod 63 and a connecting rod 64, the connecting sleeve 61 is provided with an internal thread, and the connecting sleeve 61 is threadedly connected to the tripod 5; the pedal rod 63 is arranged on one side of the connecting sleeve 61, the pedal rod 63 is two parallel metal plates, and a shaft rod is arranged between the metal plates, the shaft rod is rotatably connected to one end of the connecting rod 64, and the other end of the connecting rod 64 is connected to the conical plug 62, and the shape of the connecting rod 64 is L-shaped, so that the conical plug 62 can be rotated to the lower side of the connecting sleeve 61, as shown in the specific Figure 4 As shown; when not in use, the conical plug 62 can be turned to the upper side, and the tip of the conical plug 62 is close to the tripod 5, which can avoid accidental damage to the conical plug 62; the pedal 63 can also be used to apply force by foot, so that the conical plug 62 can be inserted into the soil. In this device, the support plate 2 can be used as a placement platform for the tripod 5, and the conical plug 62 is inserted into the socket 4 to fix the tripod 5.

[0022] A measuring instrument 7 is arranged on the tripod 5. The supporting column 1 is a hollow structure, and a monitoring rod 9 is arranged inside the supporting column 1. A filling layer 10 is also arranged inside the supporting column 1, and the filling layer 10 is sand.

[0023] The upper end of the monitoring rod 9 is higher than the plane where the bottom of the supporting plate 2 is located, and a ball head is set at the upper end of the monitoring rod 9 to facilitate observation of the monitoring rod 9; an inner protective cover 11 is set on the upper part of the monitoring rod 9 and located on the supporting plate 2, which plays a good protective role and avoids damage.

[0024] An outer protective cover 8 is arranged on the support plate 2; the inner protective cover 11 and the outer protective cover 8 are combined to greatly improve the protective effect.

[0025] During use, the ground subsidence measuring device can measure the ground subsidence by observing the height of the monitoring rod 9 through the measuring instrument 7, and a support plate 2 and a fixing ring 3 are set at the position of the monitoring rod 9, which can be used as a basis for placing the measuring instrument 7 and observing the monitoring rod 9 elsewhere. It has various functions. Based on this, an inner protective cover 11 and an outer protective cover 8 are adopted to greatly improve the protection effect of the monitoring rod 9, thereby preventing the monitoring rod 9 from being affected by external factors and causing inaccurate ground subsidence measurement.

[0026] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A ground subsidence measuring device, characterized in that: The invention comprises a support column (1) buried underground, wherein the support column (1) is connected to a support plate (2), a fixing ring (3) is arranged inside the support plate (2), a plug hole (4) is provided on the fixing ring (3), a tripod (5) is arranged on the support plate (2), the lower end of the tripod (5) is plugged into the plug hole (4), a measuring instrument (7) is arranged on the tripod (5), the support column (1) is a hollow structure, a monitoring rod (9) is arranged inside the support column (1), and a filling layer (10) is also arranged inside the support column (1).

2. A ground subsidence measuring device according to claim 1, characterized in that: The upper end of the monitoring rod (9) is higher than the plane where the bottom of the supporting plate (2) is located, and a ball head is arranged at the upper end of the monitoring rod (9).

3. A ground subsidence measuring device according to claim 1, characterized in that: An inner protective cover (11) is arranged on the upper part of the monitoring rod (9) and located on the supporting plate (2).

4. A ground subsidence measuring device according to claim 1, characterized in that: The bottom of the tripod (5) is provided with a plug-in device (6) for easy insertion into soil.

5. A ground subsidence measuring device according to claim 4, characterized in that: The plug-in device (6) comprises a connecting sleeve (61), a tapered plug (62), a pedal rod (63) and a connecting rod (64); the pedal rod (63) is arranged on one side of the connecting sleeve (61); a shaft rod is arranged inside the pedal rod (63); the shaft rod is rotatably connected to one end of the connecting rod (64); and the other end of the connecting rod (64) is connected to the tapered plug (62).

6. A ground subsidence measuring device according to claim 5, characterized in that: The connecting sleeve (61) is provided with an internal thread, and the connecting sleeve (61) is threadedly connected to the tripod (5).

7. A ground subsidence measuring device according to claim 5, characterized in that: The pedal rods (63) are two parallel metal plates.

8. A ground subsidence measuring device according to claim 1, characterized in that: An outer protective cover (8) is provided on the support plate (2).

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