CN217686983U - Double-metal mark manual and automatic vertical displacement monitoring device - Google Patents

Abstract

The utility model relates to a double metal mark manual and automatic vertical displacement monitoring device, wherein, fixing plates are respectively arranged on the part of a double metal mark steel pipe higher than a protection pipe and the part of an aluminum pipe higher than the steel pipe; the fixing plate comprises an annular part sleeved on the pipe body, and a first fixing arm and a second fixing arm which radially and outwards extend along the annular part in opposite directions; a first end plate is fixed on the protection base and positioned below the second fixing arm, the first end plate is bent, and a first observation block is horizontally fixed on the lower end surface of the first end plate; a displacement meter is vertically fixed on a first fixing arm of the fixing plate, and a second end plate is fixed on the protection base; the bottom of the displacement meter is contacted with the second end plate; and a third end plate is horizontally fixed on a second fixing arm of the fixing plate, and a second observation block is horizontally fixed on the upper end surface of the third end plate. The utility model discloses a device can realize carrying out artifical monitoring at bimetal mark construction period to carry out automatic monitoring vertical displacement monitoring at the construction later stage, and can check the reliability of contrast in order improve equipment with manual work, automatic monitoring data.

Description

Double-metal mark manual and automatic vertical displacement monitoring device

Technical Field

The utility model belongs to the technical field of dam deformation monitoring, concretely relates to artifical and automatic vertical displacement monitoring devices of bimetal mark.

Background

The dam deformation monitoring comprises dam body deformation, cracks, joints, dam foundation deformation, near-dam rock mass, high slope, landslide mass, underground cavern displacement and the like.

The vertical displacement monitoring is one of important items of dam safety monitoring, and comprises a reference point observation part and a middle point monitoring part, and the stability and reliability of observation data of a base point are the premise of ensuring the stability and reliability of a vertical displacement monitoring system. The bimetal mark is a means for monitoring the base point, and has the advantages of stability, reliability, simple calculation, easy realization of automation and the like, so that the bimetal mark is widely used in dam safety monitoring and provides a monitoring working base point for dam foundation and dam body absolute vertical displacement monitoring. The monitoring of the bimetal mark generally uses a bimetal mark instrument or a displacement meter to measure the vertical displacement, the environment is poor in the construction period of the dam, the condition does not allow the bimetal mark instrument or the displacement meter to be installed, automatic instrument and equipment cannot be installed in time, the vertical displacement of the bimetal mark cannot be measured in the construction period, and a bimetal mark manual and automatic vertical displacement monitoring device is urgently needed to be developed and developed aiming at the condition.

Disclosure of Invention

The utility model discloses the technical problem who needs to solve lies in, overcomes current technical defect, provides a artifical and automatic vertical displacement monitoring devices of bimetal mark, realizes that bimetal mark can carry out artifical monitoring and later stage can automatic monitoring vertical displacement monitoring devices in the construction period.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a manual and automatic vertical displacement monitoring device for a bimetal mark comprises a protection tube, a steel tube and the bimetal mark coaxially and concentrically arranged by an aluminum tube, wherein a concrete protection base is poured in an orifice at the top end of the bimetal mark;

fixing plates are respectively arranged on the part of the bimetal standard steel pipe higher than the protective pipe and the part of the aluminum pipe higher than the steel pipe; the fixing plate comprises an annular part sleeved on the pipe body, and a first fixing arm and a second fixing arm which extend outwards and oppositely along the radial direction of the annular part;

a first end plate is fixed on the protective base below the second fixing arm, is bent and consists of a first horizontal part, a second horizontal part and a bent part connecting the two horizontal parts; the first horizontal part is fixed on the protection base, and the lower end surface of the second horizontal part is horizontally fixed with the first observation block; the horizontal height of the second horizontal part is higher than that of the first horizontal part;

a displacement meter is vertically fixed on a first fixed arm of the fixed plate, and a second end plate is fixed on the protective base; the bottom of the displacement meter is in contact with the second end plate;

a third end plate is horizontally fixed on a second fixing arm of the fixing plate, and a second observation block is horizontally fixed on the upper end surface of the third end plate; the first observation block and the second observation block comprise observation edges serving as measurement punctuations, and the observation edges of the first observation block and the second observation block are positioned in the same vertical plane.

In a preferred embodiment, the annular portion is fixed to the pipe body by a clamp.

In a preferred embodiment, the first horizontal portion is fixed to the protection base by anchor bolts.

In a preferred embodiment, a fixing ring is provided on the first fixing arm, and the displacement meter is fixed to the first fixing arm through the fixing ring.

In a preferred embodiment, the first observation block and the second observation block are in a triangular prism structure, a rectangular surface of the triangular prism structure is fixedly connected with the end plate, and an edge parallel to the rectangular surface is used as the measurement mark point. Preferably, the bottom surface of the triangular column structure is an equilateral triangle.

In a preferred embodiment, the first observation block and the second observation block are made of stainless steel.

In a preferred embodiment, the first observation block and the second observation block are fixed to the end plate by welding.

In a preferred embodiment, the fixing plates are respectively arranged on the pipe body of the bimetal steel pipe which is 10cm higher than the protection pipe, and the pipe body of the aluminum pipe which is 10cm higher than the steel pipe.

In a preferred embodiment, the second end plate is a stainless steel plate with a smooth upper surface.

The utility model discloses above-mentioned each part all can be drawn from common material or through simple processing and get, and the structure is simple and easy, and novel in design is reasonable, device easy to assemble, use, and bimetal mark can carry out artifical monitoring and can automize monitoring vertical displacement monitoring devices in the construction later stage, can also check the contrast, improve equipment's reliability carrying out artifical monitoring data and automatic monitoring data in the construction period.

Drawings

Fig. 1 is a schematic view of the overall structure of a vertical displacement monitoring device.

Fig. 2 is a schematic view of a first end plate structure.

FIG. 3 is a schematic diagram of a third terminal plate structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the method of the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. The specific embodiments described herein are merely illustrative and are not intended to be limiting.

Example 1

The bimetal mark manual and automatic vertical displacement monitoring device shown in fig. 1 to 3 comprises a protection pipe 1, a steel pipe 2 and an aluminum pipe 3 which are installed in sequence after drilling, a concrete protection base 4 is poured at an orifice, the aluminum pipe 3 is 20-30cm higher than the steel pipe 2, the steel pipe 2 is 20-30cm higher than the protection pipe 1, and the protection pipe 1, the steel pipe 2 and the aluminum pipe 3 are coaxially and concentrically arranged.

The fixing plate 13 is fixedly installed by a hoop 15 at the position where the steel pipe 2 is 10cm higher than the protection pipe and at the position where the aluminum pipe 3 is 10cm higher than the steel pipe, respectively, and the fixing plate 13 is composed of an annular part 131 sleeved on the pipe body, and a first fixing arm 132 and a second fixing arm 133 which extend outwards in the radial direction of the annular part. A first end plate 5 is fixed on the protective base 4 below the second fixing arm, the first end plate 5 is bent and consists of a first horizontal part 51, a second horizontal part 52 and a bending part 53 connecting the two horizontal parts; the first horizontal part 51 is fixed on the protective base 4 through the foundation bolts 10, and the first observation block 8 is horizontally welded on the lower end surface of the second horizontal part 52; the second horizontal portion 52 is higher in level than the first horizontal portion 51; a fixing ring 14 is arranged on the first fixing arm 132 of the fixing plate 13 and used for vertically fixing the displacement meter 11, the second end plate 6 is fixed on the protection base 4, and the second end plate 6 is a stainless steel plate with a smooth upper surface; the bottoms of the two displacement meters 11 are contacted with the second end plate 6, and the displacement meter cable 12 is connected to the automatic acquisition device; a third end plate 7 is horizontally fixed by a second fixing arm of the fixing plate 13, and a second observation block 9 is horizontally welded on the upper end face of the third end plate; the first observing block 8 and the second observing block 9 comprise observing edges serving as measuring punctuations, and the observing edges of the first observing block 8 and the second observing block 9 are positioned in the same vertical plane.

In the embodiment, the distance between the fixing ring of the steel pipe 2 displacement meter and the middle shaft (steel pipe axis) is 5cm shorter than that between the fixing ring of the aluminum pipe 3 displacement meter and the middle shaft, so that the displacement meter 11 can be conveniently installed at the same position. The first observation block 8 and the second observation block 9 are triangular prism structures made of stainless steel, one rectangular surface of each triangular prism structure is fixedly connected with the end plate, edges parallel to the rectangular surface are used as measurement punctuations, and the bottom surfaces of the triangular prism structures are equilateral triangles.

After the installation is completed in the construction period, because the conditions are not met, the double-metal mark vertical displacement needs to be measured by manually clamping the double-metal mark on the observation edges of the first observation block 8 and the second observation block 9 by using vernier calipers, and the vertical displacement of the steel pipe and the aluminum pipe is measured. When the later condition is met, the displacement meter 11 can be used for realizing automatic acquisition.

The device can be used for manually monitoring the bimetal mark in the construction period and automatically monitoring the vertical displacement monitoring device in the later construction period, and can also be used for checking and comparing manual monitoring data and automatic monitoring data, so that the reliability of equipment is improved, and the economic benefit is excellent.

Claims (10)

1. A manual and automatic vertical displacement monitoring device for a bimetal mark comprises a protection tube (1), a steel tube (2) and the bimetal mark coaxially and concentrically arranged on an aluminum tube (3), wherein a concrete protection base (4) is poured at an orifice at the top end of the bimetal mark;

the device is characterized in that a fixing plate (13) is respectively arranged on the part of the bimetal mark steel pipe (2) higher than the protection pipe (1) and the part of the aluminum pipe (3) higher than the steel pipe (2); the fixing plate (13) comprises an annular part (131) sleeved on the pipe body, and a first fixing arm (132) and a second fixing arm (133) which extend outwards and oppositely along the radial direction of the annular part;

a first end plate (5) is fixed on the protective base (4) and positioned below the second fixing arm, and the first end plate (5) is bent and consists of a first horizontal part (51), a second horizontal part (52) and a bending part (53) connecting the two horizontal parts; the first horizontal part (51) is fixed on the protective base (4), and the lower end surface of the second horizontal part (52) is horizontally fixed with the first observation block (8); the second horizontal part (52) is higher than the first horizontal part (51);

a displacement meter (11) is vertically fixed on a first fixing arm (132) of the fixing plate (13), and a second end plate (6) is fixed on the protective base (4); the bottom of the displacement meter (11) is in contact with the second end plate (6);

a third end plate (7) is horizontally fixed on a second fixing arm of the fixing plate (13), and a second observation block (9) is horizontally fixed on the upper end face of the third end plate; the first observation block (8) and the second observation block (9) comprise observation edges serving as measurement punctuations, and the observation edges of the first observation block (8) and the second observation block (9) are positioned in the same vertical plane.

2. A device according to claim 1, characterised in that the annular portion (131) is secured to the tubular body by means of a clamp (15).

3. Device according to claim 1, characterized in that the first horizontal part (51) is fixed to the protective foundation (4) by means of anchor bolts (10).

4. The device according to claim 1, characterized in that a fixing ring (14) is provided on the first fixing arm (132), and the displacement gauge (11) is fixed to the first fixing arm (132) by means of the fixing ring (14).

5. The device according to claim 1, characterized in that the first and second observation blocks (8, 9) are in a triangular prism configuration, one rectangular face of which is fixedly connected to the end plate, and an edge parallel to the rectangular face is used as the measuring index.

6. The device of claim 5, wherein the triangular prism structure has an equilateral bottom surface.

7. The device according to claim 1, 5 or 6, characterized in that the first and second observation blocks (8, 9) are made of stainless steel.

8. The device according to claim 1, characterized in that the first and second observation blocks (8, 9) are fixed to the end plate by welding.

9. The device according to claim 1, characterized in that the fixing plates (13) are respectively mounted on the tube body of the bimetal steel tube (2) 10cm higher than the protection tube (1) and on the tube body of the aluminum tube (3) 10cm higher than the steel tube (2).

10. The device according to claim 1, characterized in that the second end plate (6) is a stainless steel plate with a smooth upper surface.

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