CN214666698U - Displacement sensor with embedded body - Google Patents
Displacement sensor with embedded body Download PDFInfo
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- CN214666698U CN214666698U CN202023262067.2U CN202023262067U CN214666698U CN 214666698 U CN214666698 U CN 214666698U CN 202023262067 U CN202023262067 U CN 202023262067U CN 214666698 U CN214666698 U CN 214666698U
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- displacement sensor
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- displacement
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Abstract
The utility model relates to a displacement sensor with pre-buried body belongs to tunnel displacement sensor technical field. The displacement sensor comprises an embedded body and a displacement sensor, wherein the embedded body comprises an adjustable embedded pipe, a bottom plate and a cover plate, the bottom plate is detachably connected with the tail end of the adjustable embedded pipe, and the cover plate is detachably connected with the front end of the adjustable embedded pipe; displacement sensor's one end is the stiff end, the other end is the expansion end, displacement sensor's stiff end pass adjustable embedded pipe and through the connecting piece with bottom plate fixed connection, set up displacement hole and pin hole on the apron, displacement sensor's expansion end is worn out the displacement hole, displacement sensor's lead wire warp the pin hole is drawn forth. The adjustable embedded pipe is simple in structure, convenient to assemble and capable of greatly reducing construction time, the length of the adjustable embedded pipe is adjustable, the universality of the adjustable embedded pipe is high, and production cost is reduced.
Description
Technical Field
The utility model relates to a displacement sensor with pre-buried body belongs to tunnel displacement sensor technical field.
Background
The tunnel structure is influenced by complex surrounding rocks and geological hydrological conditions, and the safety of the structure is always a very important problem in engineering construction, operation and maintenance. At present, the engineering world at home and abroad has consensus, and any one major engineering has the risk of accidents and even accidents. How to find the problem as early as possible before the accident happens, and how to take necessary measures to reduce the accident and loss becomes the primary problem to be considered and solved in the engineering field.
In the tunnel construction process, the primary tunnel support is a key for ensuring construction safety, can fully exert the self bearing capacity of the surrounding rock, quickly seal the surrounding rock, and avoid collapse of the surrounding rock due to weathering and hydration caused by long-time exposure and influence of water, air and the like; the secondary lining is the cast concrete or reinforced concrete lining applied on the inner side of the primary support in the tunnel engineering construction. And the secondary lining and the primary support jointly form a composite lining tunnel primary support to bear load. In order to ensure the firmness of connection between the secondary lining and the inside of the tunnel, displacement sensors are arranged inside the secondary lining and the tunnel and used for detecting whether a gap is generated between the secondary lining and the inside of the tunnel. However, at present, when the displacement sensor goes deep into the inner wall of the secondary lining and the tunnel, the drilling time is long, the construction time is prolonged, pre-buried pipes with different lengths are needed for pre-buried holes with different depths, and the universality of the pre-buried pipes is poor.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a displacement sensor with a pre-buried body aiming at the prior art, which not only has simple structure and convenient installation, but also reduces the construction time; and the embedded body is strong in universality.
The utility model provides a technical scheme that above-mentioned problem adopted does: a displacement sensor with a pre-buried body comprises the pre-buried body and the displacement sensor, wherein the pre-buried body comprises an adjustable pre-buried pipe, a bottom plate and a cover plate, the bottom plate is detachably connected with the tail end of the adjustable pre-buried pipe, and the cover plate is detachably connected with the front end of the adjustable pre-buried pipe; displacement sensor's one end is the stiff end, the other end is the expansion end, displacement sensor's stiff end pass adjustable embedded pipe and through the connecting piece with bottom plate fixed connection, set up displacement hole and pin hole on the apron, displacement sensor's expansion end is worn out the displacement hole, displacement sensor's lead wire warp the pin hole is drawn forth.
One end of the connecting piece is in threaded connection with a mounting hole formed in the end of the fixed end of the displacement sensor, and the other end of the connecting piece is in threaded connection with a mounting hole formed in the bottom plate.
The adjustable embedded pipe comprises a first connecting pipe and a second connecting pipe, wherein a first external thread is formed on the first connecting pipe in the axial direction, a second internal thread is formed on the second connecting pipe in the axial direction, the first connecting pipe and the second connecting pipe are screwed through the second internal thread and the first external thread, and the length of the first connecting pipe and the length of the second connecting pipe can be adjusted by changing the screwing length of the first connecting pipe and the second connecting pipe.
And the cover plate is provided with a second external thread and is in threaded connection with the second connecting pipe.
The displacement hole is a tapered hole, the diameter of the inlet end orifice is smaller than that of the outlet end orifice, and the movable end of the displacement sensor sequentially penetrates through the inlet end and the outlet end.
And a sealing ring is arranged in the displacement hole.
The movable end of the displacement sensor is provided with a large-diameter section and a small-diameter section, the small-diameter section is arranged at the front end of the large-diameter section and can relatively displace and stretch, and the large-diameter section is partially exposed out of the cover plate; and the end part of the small-diameter section is provided with a resistance piece.
Compared with the prior art, the utility model has the advantages of: the utility model provides a displacement sensor with embedded body, is in advance with adjustable embedded pipe one end and the connecting piece threaded connection on the bottom plate to locate adjustable embedded pipe with displacement sensor in, and the connecting piece on the bottom plate inserts in displacement sensor's mounting hole, connecting piece and mounting hole threaded connection, make the displacement sensor stiff end be fixed in the bottom plate. The large-diameter section of the movable end of the displacement sensor is partially exposed out of the adjustable embedded pipe and penetrates out of the displacement hole of the cover plate. The adjustable embedded pipe is simple in structure, convenient to assemble and capable of greatly reducing construction time, and the length of the adjustable embedded pipe is adjustable, so that the universality of the adjustable embedded pipe is strong, and the production cost is reduced.
Drawings
Fig. 1 is a schematic diagram of a displacement sensor with a pre-buried body according to an embodiment of the present invention;
FIG. 2 is an exploded view of the pre-buried body shown in FIG. 1;
FIG. 3 is a schematic view of the cover plate of FIG. 2;
in the figure, 1 pre-buried body, 1.1 bottom plate, 1.1.1 first internal thread, 1.2 connecting piece, 1.3 first connecting pipe, 1.3.1 first external thread, 1.4 second connecting pipe, 1.4.1 second internal thread, 1.5 cover plate, 1.5.1 second external thread, 1.5.2 displacement hole, 1.5.3 lead hole, 1.5.4 thread fixing hole, 2 displacement sensor, 2.1 large-diameter section, 2.2 small-diameter section, 2.3 lead wire, 3 resistance piece, 4 sealing ring.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 and 3, the displacement sensor with the embedded body in this embodiment includes an embedded body 1 and a displacement sensor 2, where the embedded body 1 includes an adjustable embedded pipe, a bottom plate 1.1 and a cover plate 1.5, and one end of the adjustable embedded pipe is provided with the bottom plate 1.1, and the two are fixed by threaded connection. One end of the displacement sensor 2 is a fixed end, the other end of the displacement sensor is a movable end, the fixed end of the displacement sensor 2 penetrates through the adjustable embedded pipe, and the movable end of the displacement sensor 2 is exposed out of the adjustable embedded pipe. The mounting hole at the center of the bottom plate 1.1 is in threaded connection with one end of the connecting piece 1.2, the mounting hole of the displacement sensor is formed in the center of the fixed end of the displacement sensor 2, the mounting hole of the displacement sensor is inserted into the connecting piece 1.2, and the mounting hole and the connecting piece are in threaded connection, so that the displacement sensor 2 is fixed on the bottom plate 1.1. The other end of the adjustable embedded pipe is provided with a cover plate 1.5 which is fixedly connected through threads. A displacement hole 1.5.2 and a lead hole 1.5.3 are formed in the cover plate 1.5, the movable end of the displacement sensor 2 penetrates out of the displacement hole 1.5.2, the displacement sensor 2 is fixed in the adjustable embedded pipe, and a lead 2.3 of the displacement sensor 2 is led out of the lead hole 1.5.3.
As shown in fig. 2, the adjustable pre-buried pipe includes a first connection pipe 1.3 and a second connection pipe 1.4, and the diameter of the first connection pipe 1.3 is smaller than that of the second connection pipe 1.4. The outer peripheral wall of the first connecting pipe 1.3 is provided with a first external thread 1.3.1 along the axial direction, the inner peripheral wall of the second connecting pipe 1.4 is provided with a second internal thread 1.4.1 along the axial line, the first connecting pipe 1.3 is arranged in the second connecting pipe 1.4, and the first external thread 1.3.1 is screwed with the second internal thread 1.4.1. The length of the first connecting pipe 1.3 and the second connecting pipe 1.4 is adjusted by the screwing length. The adjustable embedded pipe is suitable for embedded holes with different depths, so that the adjustable embedded pipe is high in universality.
The bottom plate 1.1 is provided with a first internal thread 1.1, and the bottom plate 1.1 is in threaded connection with a first connecting pipe 1.3. And a second external thread 1.5.1 is arranged on the cover plate 1.5, and the cover plate 1.5 is in threaded connection with a second connecting pipe 1.4. 3 fixed screw holes 1.5.4 are axially formed in the cover plate 1.5, and bolts penetrate through the fixed screw holes 1.5.4, so that the cover plate 1.5 is fixed on the inner wall of the tunnel.
As shown in fig. 3, the displacement bore 1.5.2 has an inlet end orifice diameter smaller than the displacement bore 1.5.2 outlet end orifice diameter, so that the displacement bore 1.5.2 is a tapered bore.
A sealing ring 4 is arranged in the displacement hole 1.5.2 to seal the displacement hole 1.5.2, so that sundries and the like are prevented from entering the inner cavity of the adjustable embedded pipe.
As shown in fig. 1, the movable end of the displacement sensor 1 has a large diameter section 2.1 and a small diameter section 2.2, the small diameter section 2.2 is arranged at the front end of the large diameter section 2.1, the large diameter section and the small diameter section can relatively displace and stretch, and part of the large diameter section 2.1 is exposed out of the cover plate 1.5; the end of the small diameter section 2.2 is provided with a resistance piece 3. When pouring cement, make 2 major diameter sections 2.1 of displacement sensor and resistance 3 inlay in the reinforced concrete dirt layer, avoid having the relation of connection between displacement sensor 2 and the reinforced concrete dirt layer. When a gap is generated between the reinforced concrete layer and the sprayed layer, the displacement sensor 2 can detect the gap.
An assembling method of a displacement sensor with an embedded body comprises the following steps:
the method comprises the following steps: and connecting the connecting piece with the bottom plate through threads, and assembling the first connecting pipe and the second connecting pipe to form the adjustable embedded pipe with the preset length.
Step two: the adjustable embedded pipe is connected with the bottom plate in a threaded mode, the displacement sensor extends into the adjustable embedded pipe, the mounting hole in the end portion of the fixed end of the displacement sensor is aligned to the connecting piece, and the displacement sensor is connected with the connecting piece in a threaded mode.
Step three: let the displacement hole on the apron aim at displacement sensor's expansion end, let displacement sensor's expansion end pass the apron, let displacement sensor's lead wire pass the lead wire hole on the apron, then be connected to the front end of second connecting pipe with the apron.
Step four: and arranging the sealing ring in the displacement hole of the cover plate, and plugging the displacement hole.
Step five: a resistance member is mounted to an end of the movable end of the displacement sensor.
This application is in advance with adjustable buried pipe one end and the connecting piece threaded connection on the bottom plate to locate the displacement sensor in the buried pipe with adjustable, and the connecting piece on the bottom plate is inserted in displacement sensor's mounting hole, connecting piece and mounting hole threaded connection, make the displacement sensor stiff end be fixed in the bottom plate. The large-diameter section of the movable end of the displacement sensor is partially exposed out of the adjustable embedded pipe and penetrates out of the displacement hole of the cover plate. The adjustable embedded pipe is simple in structure, convenient to assemble and capable of greatly reducing construction time, and the length of the adjustable embedded pipe is adjustable, so that the universality of the adjustable embedded pipe is strong, and the production cost is reduced.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a displacement sensor with embedded body which characterized in that: the embedded pipe displacement sensor comprises an embedded body (1) and a displacement sensor (2), wherein the embedded body (1) comprises an adjustable embedded pipe, a bottom plate (1.1) and a cover plate (1.5), the bottom plate (1.1) is detachably connected with the tail end of the adjustable embedded pipe, and the cover plate (1.5) is detachably connected with the front end of the adjustable embedded pipe; the one end of displacement sensor (2) is stiff end, the other end is the expansion end, the stiff end of displacement sensor (2) passes adjustable embedded pipe and through connecting piece (1.2) with bottom plate (1.1) fixed connection, set up displacement hole (1.5.2) and pin hole (1.5.3) on apron (1.5), displacement hole (1.5.2) is worn out to the expansion end of displacement sensor (2), the lead wire (2.3) warp of displacement sensor (2) pin hole (1.5.3) are drawn forth.
2. The displacement sensor with the embedded body as claimed in claim 1, wherein: one end of the connecting piece (1.2) is in threaded connection with a mounting hole formed in the end of the fixed end of the displacement sensor (2), and the other end of the connecting piece is in threaded connection with a mounting hole formed in the bottom plate (1.1).
3. The displacement sensor with the embedded body as claimed in claim 1, wherein: the adjustable embedded pipe comprises a first connecting pipe (1.3) and a second connecting pipe (1.4), wherein a first external thread (1.3.1) is axially arranged on the first connecting pipe (1.3), a second internal thread (1.4.1) is axially arranged on the second connecting pipe (1.4), the first connecting pipe (1.3) and the second connecting pipe (1.4) are screwed through the second internal thread (1.4.1) and the first external thread (1.3.1), and the splicing length of the first connecting pipe (1.3) and the second connecting pipe (1.4) is adjusted by changing the screwing length of the first connecting pipe (1.3) and the second connecting pipe (1.4).
4. The displacement sensor with the embedded body as claimed in claim 3, wherein: and a second external thread (1.5.1) is arranged on the cover plate (1.5), and the cover plate (1.5) is in threaded connection with a second connecting pipe (1.4).
5. The displacement sensor with the embedded body as claimed in claim 1, wherein: the displacement hole (1.5.2) is a taper hole, the diameter of the inlet end orifice is smaller than that of the outlet end orifice, and the movable end of the displacement sensor (2) sequentially penetrates through the inlet end and the outlet end.
6. The displacement sensor with the embedded body as claimed in claim 5, wherein: and a sealing ring (4) is arranged in the displacement hole (1.5.2).
7. The displacement sensor with the embedded body as claimed in claim 1, wherein: the movable end of the displacement sensor (2) is provided with a large-diameter section (2.1) and a small-diameter section (2.2), the small-diameter section (2.2) is arranged at the front end of the large-diameter section (2.1) and can relatively displace and stretch, and the large-diameter section (2.1) is partially exposed out of the cover plate (1.5); the end part of the small-diameter section (2.2) is provided with a resistance part (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023262067.2U CN214666698U (en) | 2020-12-29 | 2020-12-29 | Displacement sensor with embedded body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023262067.2U CN214666698U (en) | 2020-12-29 | 2020-12-29 | Displacement sensor with embedded body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214666698U true CN214666698U (en) | 2021-11-09 |
Family
ID=78504650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023262067.2U Active CN214666698U (en) | 2020-12-29 | 2020-12-29 | Displacement sensor with embedded body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214666698U (en) |
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2020
- 2020-12-29 CN CN202023262067.2U patent/CN214666698U/en active Active
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Effective date of registration: 20211110 Address after: 214400 No. 278, Chengjiang Middle Road, high tech Zone, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangsu farsheng Photoelectric Technology Co., Ltd Address before: 214434 No. 278, Chengjiang Middle Road, high tech Zone, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: Jiangsu farsheng Photoelectric Technology Co., Ltd Patentee before: WUXI FASTEN OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Patentee before: FASTEN GROUP Co.,Ltd. |