CN216275830U - Subway foundation pit engineering observation well protection device - Google Patents
Subway foundation pit engineering observation well protection device Download PDFInfo
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- CN216275830U CN216275830U CN202122755006.8U CN202122755006U CN216275830U CN 216275830 U CN216275830 U CN 216275830U CN 202122755006 U CN202122755006 U CN 202122755006U CN 216275830 U CN216275830 U CN 216275830U
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- observation well
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- 238000002788 crimping Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 12
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000007689 inspection Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
An observation well protection device for subway foundation pit engineering comprises an observation well top cover, wherein an observation hole is formed in the observation well top cover, and a cover plate is covered on the observation hole; the bottom surface of the cover plate is connected with a positioning rod, and the positioning rod is inserted into the observation hole; arc-shaped grooves are formed in the top surface of the top cover of the observation well and located on the opposite sides of the cover plate, and the circle center of a circle where the arc-shaped grooves are located and the center of the cover plate are located on the same vertical line; a horizontal arc-shaped guide rod is arranged in the arc-shaped groove; the front end of the arc-shaped guide rod is fixedly connected with the front side wall of the arc-shaped groove; a cover plate crimping component is arranged above the cover plate; the cover plate crimping component comprises a vertical support, a rotating rod and a lantern ring; the rotating rod is pressed on the top of the cover plate along the diameter of the cover plate; the vertical braces are respectively connected to the bottoms of the two ends of the rotating rod, and the lower ends of the vertical braces extend into the arc-shaped grooves; the lantern ring is connected to the bottoms of the two vertical braces and is sleeved on the arc-shaped guide rod; a clamping groove is arranged on the arc-shaped guide rod and close to the front end. The utility model solves the technical problems that the traditional observation well is high in damage probability and the observation hole cover is easy to lose.
Description
Technical Field
The utility model belongs to the technical field of subway foundation pit engineering, and particularly relates to a subway foundation pit engineering observation well protection device.
Background
Before excavation of a subway engineering foundation pit, a precipitation observation well is constructed at a position 800mm away from the side of the foundation pit and used for monitoring the water level outside the pit during precipitation, and in order to protect the observation well, a protection device is arranged around the observation well to improve the protection effect on the observation well.
In the prior art, because subway engineering construction access road is narrow and small, the position of observation well is on the construction road, and the destroyed probability is very high, but also can appear the condition repeatedly, and observes the handhole door and loses easily, is difficult to play the guard action to the inspection hole.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a subway foundation pit engineering observation well protection device, which aims to solve the technical problems that a traditional observation well is high in damage probability and an observation hole cover is easy to lose.
In order to achieve the purpose, the utility model adopts the following technical scheme.
An observation well protection device for subway foundation pit engineering comprises an observation well top cover arranged at the top of an observation well, wherein the observation well top cover is provided with an observation hole, and a cover plate is covered on the observation hole; a positioning rod is fixedly connected in the middle of the bottom surface of the cover plate and is inserted into the observation hole; arc-shaped grooves are respectively formed in the top surface of the observation well top cover and on the opposite sides of the cover plate, and the circle center of a circle where the arc-shaped grooves are located and the center of the cover plate are on the same vertical line; a horizontal arc-shaped guide rod is arranged in the arc-shaped groove and along the long axial direction of the arc-shaped groove; the front end of the arc-shaped guide rod is fixedly connected with the front side wall of the arc-shaped groove, and a space is reserved between the bottom of the arc-shaped guide rod and the bottom surface of the arc-shaped groove; a cover plate crimping component is arranged above the cover plate; the cover plate crimping assembly comprises a vertical support, a rotating rod and a lantern ring; the rotating rod is pressed on the top of the cover plate along the diameter of the cover plate, and two ends of the rotating rod respectively exceed the outer edge of the cover plate and vertically correspond to the arc-shaped grooves; the two vertical supports are respectively connected to the bottoms of the two ends of the rotating rod, and the lower ends of the vertical supports extend into the arc-shaped grooves; the lantern ring is connected to the bottoms of the two vertical braces and is sleeved on the arc-shaped guide rod; a clamping groove for clamping the lantern ring is arranged on the arc-shaped guide rod close to the front end.
Preferably, the positioning rod is matched with the observation hole, and the two arc-shaped grooves are symmetrically arranged on two sides of the observation hole.
Preferably, the inner diameter of the lantern ring is larger than the diameter of the arc-shaped guide rod, and the width of the lantern ring is not larger than the width of the clamping groove.
Preferably, the observation well top cover comprises a top plate, a concrete layer and a water retaining well ring; the top plate is covered on the top of the observation well; the concrete layer is poured on the top of the top plate, and the diameter of the concrete layer is larger than that of the top plate; the water retaining walling crib ring is arranged on the outer side of the concrete layer in the circumferential direction, and reinforcing steel bars are arranged inside the water retaining walling crib ring.
Preferably, a plurality of warning mechanisms are installed on the observation well top cover, and the warning mechanisms are arranged on the top surface of the water retaining well ring at intervals along the annular direction.
Preferably, the warning mechanisms comprise connecting seats, the connecting seats and warning plates; the connecting seat is fixedly arranged on the top cover of the observation well through a plurality of fixing bolts; the warning plate is positioned above the connecting seat and is gradually inclined upwards from outside to inside; a reflective strip is arranged on the outer side surface of the warning plate, and an ear plate is connected on the inner side surface of the warning plate; the ear plate is connected with the connecting seat through a mounting bolt.
Preferably, the upper part of the vertical support is provided with a horizontal threaded hole; the tip of dwang is provided with the screw thread, and the tip of dwang wears to establish in the screw hole and with erects and prop threaded connection.
Compared with the prior art, the utility model has the following characteristics and beneficial effects.
1. According to the observation well, the top cover of the observation well and the cover plate compression joint assembly are arranged, the top cover of the observation well is composed of the top plate, the water retaining well ring, the reinforcing steel bars and the concrete layer of concrete, the overall strength can be effectively improved, the observation well is well protected, the cover plate covers the observation hole, the sleeve ring is screwed into the arc-shaped guide rod, the rotating rod is rotated to drive the sleeve ring to be embedded into the clamping groove, the cover plate is locked, and a good anti-lost effect is achieved.
2. According to the utility model, the warning mechanism is arranged, and the light reflecting strips on the warning plate can reflect light, so that a good warning effect can be realized on vehicles coming and going at night, and the probability of damage is reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention.
FIG. 3 is a top view of a partial structure of the manhole cover according to the present invention.
FIG. 4 is an enlarged view of the structure of FIG. 3 at B according to the present invention.
FIG. 5 is a schematic structural diagram of a warning mechanism according to the present invention.
Reference numerals: 1-observation well, 2-observation well top cover, 2.1-water retaining well ring, 2.2-concrete layer, 2.3-top plate, 3-observation hole, 4-cover plate compression joint component, 4.1-vertical support, 4.2-rotating rod, 4.3-lantern ring, 5-cover plate, 6-positioning rod, 7-warning mechanism, 7.1-connecting seat, 7.2-ear plate, 7.3-mounting bolt, 7.4-warning plate, 7.5-reflective strip, 8-threaded hole, 9-arc groove, 10-arc guide rod and 11-clamping groove.
Detailed Description
The subway foundation pit engineering observation well protection device comprises an observation well top cover 2 arranged at the top of an observation well 1, wherein the observation well top cover 2 can well protect the observation well 1; an observation hole 3 is formed in the observation well top cover 2, a cover plate 5 is covered on the observation hole 3, and the cover plate 5 can well protect the observation hole 3; a positioning rod 6 is fixedly connected in the middle of the bottom surface of the cover plate 5, and the positioning rod 6 is inserted in the observation hole 3; arc-shaped grooves 9 are respectively formed in the top surface of the observation well top cover 2 and on the opposite sides of the cover plate 5, and the circle center of a circle where the arc-shaped grooves 9 are located and the center of the cover plate 5 are on the same vertical line; a horizontal arc-shaped guide rod 10 is arranged in the arc-shaped groove 9 and along the long axial direction of the arc-shaped groove 9; the front end of the arc-shaped guide rod 10 is fixedly connected with the front side wall of the arc-shaped groove 9, and a space is reserved between the bottom of the arc-shaped guide rod 10 and the bottom surface of the arc-shaped groove 9; a cover plate crimping component 4 is arranged above the cover plate 5; the cover plate crimping assembly 4 can lock the cover plate 5 on the observation hole 3, cannot be lost and can protect the observation hole 3 for a long time; the cover plate crimping component 4 comprises a vertical support 4.1, a rotating rod 4.2 and a lantern ring 4.3; the rotating rod 4.2 is pressed on the top of the cover plate 5 along the diameter of the cover plate 5, and two ends of the rotating rod 4.2 respectively exceed the outer edge of the cover plate 5 and vertically correspond to the arc-shaped grooves 9; two vertical braces 4.1 are respectively connected to the bottoms of the two ends of the rotating rod 4.2, and the lower ends of the vertical braces 4.1 extend into the arc-shaped grooves 9; the lantern ring 4.3 is connected to the bottoms of the two vertical supports 4.1, and the lantern ring 4.3 is sleeved on the arc-shaped guide rod 10; be provided with the draw-in groove 11 of joint lantern ring 4.3 near front position department on arc guide arm 10, apron crimping subassembly 4 improves the firm degree that apron 5 is connected, prevents that apron 5 from losing.
In this embodiment, the positioning rod 6 is matched with the observation hole 3, and the two arc-shaped grooves 9 are symmetrically arranged on two sides of the observation hole 3.
In this embodiment, the inner diameter of the collar 4.3 is larger than the diameter of the arc-shaped guide rod 10, and the width of the collar 4.3 is not larger than the width of the clamping groove 11.
In the embodiment, the observation well top cover 2 comprises a top plate 2.3, a concrete layer 2.2 and a water retaining well ring 2.1; the top plate 2.3 is covered on the top of the observation well 1; the concrete layer 2.2 is poured on the top of the top plate 2.3, and the diameter of the concrete layer 2.2 is larger than that of the top plate 2.3; the 2.1 annular of manger plate walling crib sets up in concrete layer 2.2's the outside, and is furnished with the reinforcing bar in manger plate walling crib 2.1 is inside, can strengthen manger plate walling crib 2.1's intensity, reduces destroyed probability to can increase of service life.
In this embodiment, a plurality of warning mechanisms 7 are installed on observation well top cover 2, and it is a plurality of warning mechanisms 7 set up on manger plate walling crib 2.1 top surface along the hoop interval.
In this embodiment, the warning mechanisms 7 each include a connecting seat 7.1, the connecting seat 7.1 and a warning plate 7.4; the connecting seat 7.1 is fixedly arranged on the observation well top cover 2 through a plurality of fixing bolts, so that the replacement is convenient; the warning plate 7.4 is positioned above the connecting seat 7.1, and the warning plate 7.4 is gradually inclined upwards from outside to inside; a reflective strip 7.5 is arranged on the outer side surface of the warning plate 7.4, and an ear plate 7.2 is connected on the inner side surface of the warning plate 7.4; the ear plate 7.2 is connected with the connecting seat 7.1 through a mounting bolt 7.3; the light reflecting strips 7.5 can reflect light, so that a good warning effect can be achieved on vehicles coming and going at night.
In this embodiment, the upper part of the vertical support 4.1 is provided with a horizontal threaded hole 8; the tip of dwang 4.2 is provided with the screw thread, and the tip of dwang 4.2 wears to establish in screw hole 8 and with erects 4.1 threaded connection.
In conclusion, the working process of the utility model is as follows: when the inspection well top cover is actually used, the inspection well top cover 2 consists of a top plate 2.3, a concrete layer 2.2 and a water retaining well ring 2.1, so that the overall strength can be effectively increased, and the inspection well 1 is well protected; cover 5 lids on inspection hole 3, and the lantern ring 4.3 inserts in arc wall 12, rotates dwang 4.2, with lantern ring 4.3 screw in to arc guide arm 10 on, rotates dwang 4.2 again, and dwang 4.2 rotates and drives two erects to prop 4.1 and rotate, erects to prop 4.1 and remove and drive lantern ring 4.3 and remove, imbeds in draw-in groove 11, locks apron 5, plays fine anti-lost effect.
The above embodiments are not intended to be exhaustive or to limit the utility model to other embodiments, and the above embodiments are intended to illustrate the utility model and not to limit the scope of the utility model, and all applications that can be modified from the utility model are within the scope of the utility model.
Claims (7)
1. The utility model provides a subway foundation pit engineering observation well protection device, includes observation well top cap (2) of setting at observation well (1) top, its characterized in that: an observation hole (3) is formed in the observation well top cover (2), and a cover plate (5) is covered on the observation hole (3); a positioning rod (6) is fixedly connected to the middle of the bottom surface of the cover plate (5), and the positioning rod (6) is inserted into the observation hole (3); arc-shaped grooves (9) are respectively formed in the top surface of the observation well top cover (2) and on the opposite sides of the cover plate (5), and the circle center of a circle where the arc-shaped grooves (9) are located and the center of the cover plate (5) are on the same vertical line; a horizontal arc-shaped guide rod (10) is arranged in the arc-shaped groove (9) along the long axial direction of the arc-shaped groove (9); the front end of the arc-shaped guide rod (10) is fixedly connected with the front side wall of the arc-shaped groove (9), and a space is reserved between the bottom of the arc-shaped guide rod (10) and the bottom surface of the arc-shaped groove (9); a cover plate crimping component (4) is arranged above the cover plate (5); the cover plate crimping component (4) comprises a vertical support (4.1), a rotating rod (4.2) and a lantern ring (4.3); the rotating rod (4.2) is pressed on the top of the cover plate (5) along the diameter of the cover plate (5), and two ends of the rotating rod (4.2) respectively exceed the outer edge of the cover plate (5) and vertically correspond to the arc-shaped grooves (9); two vertical braces (4.1) are respectively connected to the bottoms of the two ends of the rotating rod (4.2), and the lower ends of the vertical braces (4.1) extend into the arc-shaped grooves (9); the lantern ring (4.3) is connected to the bottoms of the two vertical braces (4.1), and the lantern ring (4.3) is sleeved on the arc-shaped guide rod (10); a clamping groove (11) for clamping the lantern ring (4.3) is arranged on the arc-shaped guide rod (10) close to the front end.
2. The subway foundation pit engineering observation well protection device of claim 1, characterized in that: the positioning rod (6) is matched with the observation hole (3), and the two arc-shaped grooves (9) are symmetrically arranged on two sides of the observation hole (3).
3. The subway foundation pit engineering observation well protection device of claim 1, characterized in that: the inner diameter of the lantern ring (4.3) is larger than the diameter of the arc-shaped guide rod (10), and the width of the lantern ring (4.3) is not larger than the width of the clamping groove (11).
4. The subway foundation pit engineering observation well protection device of claim 1, characterized in that: the observation well top cover (2) comprises a top plate (2.3), a concrete layer (2.2) and a water retaining well ring (2.1); the top plate (2.3) is covered on the top of the observation well (1); the concrete layer (2.2) is poured on the top of the top plate (2.3), and the diameter of the concrete layer (2.2) is larger than that of the top plate (2.3); the water retaining walling crib (2.1) is annularly arranged on the outer side of the concrete layer (2.2), and reinforcing steel bars are arranged inside the water retaining walling crib (2.1).
5. The subway foundation pit engineering observation well protection device of claim 1, characterized in that: a plurality of warning mechanisms (7) are installed on the observation well top cover (2), and the warning mechanisms (7) are arranged on the top surface of the water retaining well ring (2.1) at intervals along the annular direction.
6. The subway foundation pit engineering observation well protection device of claim 5, wherein: the warning mechanisms (7) comprise connecting seats (7.1), the connecting seats (7.1) and warning plates (7.4); the connecting seat (7.1) is fixedly arranged on the observation well top cover (2) through a plurality of fixing bolts; the warning plate (7.4) is positioned above the connecting seat (7.1), and the warning plate (7.4) is gradually inclined upwards from outside to inside; a reflective strip (7.5) is arranged on the outer side surface of the warning plate (7.4), and an ear plate (7.2) is connected on the inner side surface of the warning plate (7.4); the ear plate (7.2) is connected with the connecting seat (7.1) through a mounting bolt (7.3).
7. The subway foundation pit engineering observation well protection device of claim 1, characterized in that: the upper part of the vertical support (4.1) is provided with a horizontal threaded hole (8); the tip of dwang (4.2) is provided with the screw thread, and the tip of dwang (4.2) wears to establish in screw hole (8) and with erector prop (4.1) threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122755006.8U CN216275830U (en) | 2021-11-11 | 2021-11-11 | Subway foundation pit engineering observation well protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122755006.8U CN216275830U (en) | 2021-11-11 | 2021-11-11 | Subway foundation pit engineering observation well protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216275830U true CN216275830U (en) | 2022-04-12 |
Family
ID=81008115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122755006.8U Expired - Fee Related CN216275830U (en) | 2021-11-11 | 2021-11-11 | Subway foundation pit engineering observation well protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216275830U (en) |
-
2021
- 2021-11-11 CN CN202122755006.8U patent/CN216275830U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220412 |