CN218329904U - Observation device is subsided to interval tunnel of subway - Google Patents
Observation device is subsided to interval tunnel of subway Download PDFInfo
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- CN218329904U CN218329904U CN202221820932.7U CN202221820932U CN218329904U CN 218329904 U CN218329904 U CN 218329904U CN 202221820932 U CN202221820932 U CN 202221820932U CN 218329904 U CN218329904 U CN 218329904U
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Abstract
A subway interval tunnel settlement observation device comprises a first fixing plate fixed on a tunnel wall and a second fixing plate fixed on a ballast bed, wherein an observation cylinder is arranged above the second fixing plate, a guide rod is vertically arranged in the observation cylinder, a horizontal scale mark is arranged on the front end surface of the observation cylinder, and a strip-shaped hole is formed in the center of the front end of the observation cylinder in the vertical direction; the first fixing plate is fixedly connected with an L-shaped connecting rod, the lower end of the L-shaped connecting rod extends into the observation cylinder, and a sliding block is fixed at the lower end of the L-shaped connecting rod; the sliding block is sleeved on the guide rod and can freely slide up and down, and the center of the front end of the sliding block protrudes out of the strip-shaped hole and then is connected with a horizontal pointer, so that the horizontal pointer can be indicated on a horizontal scale mark. The utility model discloses a to survey pointer and tunnel wall fixed connection, if ground is whole takes place to subside, also can not cause the influence to the observation result, improved observation data's accuracy greatly.
Description
Technical Field
The utility model relates to an underground works subsides and observes technical field, concretely relates to observation device is subsided to subway interval tunnel.
Background
Subway engineering is mostly built in underground rock-soil body media, engineering geological conditions and hydrogeological conditions are complex and have a lot of uncertainties, settlement deformation can occur along with the increase of operation years or other specific factors, secondary diseases can be caused due to excessive settlement deformation, and therefore settlement of tunnels in subway intervals needs to be observed.
The settlement observation device for the tunnel in the subway interval is generally and directly fixed on the ground, if the settlement occurs on the whole ground, the observation result can be influenced, the accuracy is lower, and the process of acquiring the measurement data is complex, long in time consumption and low in efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model provides an observation device is subsided to between subway interval tunnel to overcome the whole emergence in ground and subside and lead to the lower not enough of observation result accuracy.
The utility model adopts the technical proposal that: the settlement observation device for the tunnel between the subway sections comprises a first fixing plate fixed on the wall of the tunnel and a second fixing plate fixed on a ballast bed, wherein an observation cylinder is arranged above the second fixing plate, a guide rod is vertically arranged in the observation cylinder, a horizontal scale mark is arranged on the front end surface of the observation cylinder, and a strip-shaped hole is formed in the center of the front end of the observation cylinder in the vertical direction; the first fixing plate is fixedly connected with an L-shaped connecting rod, the lower end of the L-shaped connecting rod extends into the observation cylinder, and a sliding block is fixed at the lower end of the L-shaped connecting rod; the sliding block is sleeved on the guide rod and can freely slide up and down, and the center of the front end of the sliding block protrudes out of the strip-shaped hole and then is connected with a horizontal pointer, so that the horizontal pointer indicates on a horizontal scale mark.
The first fixing plate is vertically provided with a lead screw, the upper end of the L-shaped connecting rod is connected to the lead screw in a threaded mode, and the lead screw drives the L-shaped connecting rod to move up and down through rotation.
The second fixing plate is fixedly provided with two screw rods, the observation tube is sleeved on the two screw rods through lug plates and nuts arranged on two sides of the observation tube respectively, and the height of the observation tube is adjusted by adjusting the positions of the nuts clamped on the upper side and the lower side of the lug plates.
The upper end and the lower end of the observation cylinder are both fixed with dust shields, the front end of the observation cylinder is fixed with a transparent dust shield, and the horizontal scale marks and the horizontal pointer are positioned in the transparent dust shield.
Compared with the prior art, the utility model discloses beneficial effect who has:
1. the utility model discloses a to survey pointer and tunnel wall fixed connection, if ground is whole takes place to subside, also can not cause the influence to the observation result, improved observation data's accuracy greatly.
2. The utility model discloses initial position and the benchmark level parallel and level of pointer are surveyed in adjustment that can convenient and fast make the initial value of the observation device of all observation points all establish to zero, and the collection of observation data is simple, convenient, swift, has reduced measurement personnel quantity, has improved the measurement of efficiency low.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 isbase:Sub>A schematic cross-sectional view of the structure at A-A in FIG. 1;
FIG. 3 is a schematic sectional view of the structure at B-B in FIG. 1.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1-3 and the detailed description thereof.
A subway interval tunnel settlement observation device comprises a first fixing plate 1 fixed on a tunnel wall and a second fixing plate 2 fixed on a ballast bed, wherein an observation cylinder 3 is arranged above the second fixing plate 2, a guide rod 7 is vertically arranged in the observation cylinder 3, a horizontal scale mark 3-1 is arranged on the front end face of the observation cylinder 3, and a strip-shaped hole 3-2 is formed in the center of the front end of the observation cylinder 3 in the vertical direction; the first fixing plate 1 is fixedly connected with an L-shaped connecting rod 5, the lower end of the L-shaped connecting rod 5 extends into the observation cylinder 3, and a sliding block 8 is fixed at the lower end of the L-shaped connecting rod 5; the sliding block 8 is sleeved on the guide rod 7 and can freely slide up and down, and the center of the front end of the sliding block 8 protrudes out of the strip-shaped hole 3-2 and then is connected with the horizontal pointer 6, so that the horizontal pointer 6 indicates on the horizontal scale mark 3-1.
In order to prevent dust from entering the observation cylinder, the upper end and the lower end of the observation cylinder 3 are both fixed with dust-proof plates 11, the front end of the observation cylinder 3 is fixed with a transparent dust-proof cover 12, and the horizontal scale lines 3-1 and the horizontal pointer 6 are positioned in the transparent dust-proof cover 12.
In a first embodiment, a lead screw 4 is vertically installed on the first fixing plate 1, the upper end of the L-shaped connecting rod 5 is connected to the lead screw 4 in a threaded manner, the lead screw 4 is rotated to drive the L-shaped connecting rod 5 to move up and down, and further drive the sliding block 8 to move up and down along the guide rod 7, so that the initial state of the horizontal pointer 6 is level with the reference level.
In a second embodiment, two screws 9 are fixed on the second fixing plate 2, the observation tube 3 is respectively sleeved on the two screws 9 through the ear plates 3-3 and the nuts 10 arranged on the two sides of the observation tube 3, and the height of the observation tube 3 is adjusted by adjusting the positions of the nuts 10 clamped on the upper and lower sides of the ear plates 3-3, so as to drive the horizontal scale marks 3-1 to move up and down, so that the initial state of the horizontal pointer 6 is flush with the reference level.
Of course, the adjustment methods of the two embodiments can be combined to form a third embodiment, so that the adjustment range is wider and the accuracy is higher.
When the device is used, all monitoring points in a tunnel in a subway interval are provided with the device, a reference level is used as a zero scale of a horizontal scale mark 3-1, then the initial state of the horizontal pointer 6 is adjusted to the zero scale, the initial values of the observation devices of all observation points are set to be zero, then the variation of each observation device pointer in the interval relative to the initial values is recorded at a specified observation time point, the tunnel settlement value is obtained, the settlement variation of the tunnel is further judged, and the acquisition and recording work of observation data can be completed by only one measurer in daily observation records, so that the settlement observation is more convenient and faster.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the invention, so that equivalent changes made in the claims of the present invention should be included in the scope of the claims.
Claims (4)
1. The utility model provides an observation device is subsided to tunnel between subway which characterized in that: the tunnel observation device comprises a first fixing plate (1) fixed on the tunnel wall and a second fixing plate (2) fixed on a ballast bed, wherein an observation tube (3) is arranged above the second fixing plate (2), a guide rod (7) is vertically arranged in the observation tube (3), a horizontal scale mark (3-1) is arranged on the front end face of the observation tube (3), and a strip-shaped hole (3-2) is formed in the center of the front end of the observation tube (3) along the vertical direction; the first fixing plate (1) is fixedly connected with an L-shaped connecting rod (5), the lower end of the L-shaped connecting rod (5) extends into the observation cylinder (3), and a sliding block (8) is fixed at the lower end of the L-shaped connecting rod (5); the sliding block (8) is sleeved on the guide rod (7) and can freely slide up and down, the center of the front end of the sliding block (8) protrudes out of the strip-shaped hole (3-2) and then is connected with a horizontal pointer (6), and the horizontal pointer (6) is enabled to indicate on the horizontal scale mark (3-1).
2. The inter-subway tunnel settlement observation device according to claim 1, wherein: the lead screw (4) is vertically installed on the first fixing plate (1), the upper end of the L-shaped connecting rod (5) is in threaded connection with the lead screw (4), and the lead screw (4) drives the L-shaped connecting rod (5) to move up and down.
3. The inter-subway tunnel settlement observation device according to claim 1 or 2, wherein: two screw rods (9) are fixed on the second fixing plate (2), the observation tube (3) is respectively sleeved on the two screw rods (9) through lug plates (3-3) arranged on two sides of the observation tube and nuts (10), and the height of the observation tube (3) is adjusted by adjusting the positions of the nuts (10) clamped on the upper side and the lower side of the lug plates (3-3).
4. The inter-subway tunnel settlement observation device according to claim 3, wherein: the dust guard (11) is fixed at the upper end and the lower end of the observation cylinder (3), the transparent dust guard (12) is fixed at the front end of the observation cylinder (3), and the horizontal scale marks (3-1) and the horizontal pointer (6) are located in the transparent dust guard (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221820932.7U CN218329904U (en) | 2022-07-15 | 2022-07-15 | Observation device is subsided to interval tunnel of subway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221820932.7U CN218329904U (en) | 2022-07-15 | 2022-07-15 | Observation device is subsided to interval tunnel of subway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218329904U true CN218329904U (en) | 2023-01-17 |
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ID=84870089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221820932.7U Active CN218329904U (en) | 2022-07-15 | 2022-07-15 | Observation device is subsided to interval tunnel of subway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218329904U (en) |
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2022
- 2022-07-15 CN CN202221820932.7U patent/CN218329904U/en active Active
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