CN210315697U - Prevent wind deep basal pit monitoring early warning device - Google Patents
Prevent wind deep basal pit monitoring early warning device Download PDFInfo
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- CN210315697U CN210315697U CN201920672283.2U CN201920672283U CN210315697U CN 210315697 U CN210315697 U CN 210315697U CN 201920672283 U CN201920672283 U CN 201920672283U CN 210315697 U CN210315697 U CN 210315697U
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Abstract
The utility model discloses a windproof monitoring and early warning device for a deep foundation pit, which relates to the technical field of monitoring equipment and aims to solve the problem that a powerful airflow blowing tension meter in the foundation pit shakes, so that the tightness degree of a steel wire rope can be changed and even the steel wire rope can be broken due to long-time shaking; meanwhile, the tension meter shakes to influence the detection effect, and the technical scheme is characterized in that a wind shield is arranged between the supporting steel sheet piles, and the steel wire rope and the tension meter penetrate through the wind shield; abutting discs are integrally formed on the outer surface of the wind shield and positioned at the two ends of the wind shield, and a fixing rod is arranged on one side of each abutting disc facing the direction of the supporting steel sheet pile; a fixing groove for inserting the fixing rod is formed in one side, facing the direction of the abutting disc, of the supporting steel sheet pile, a first spring is arranged in the fixing groove, and two ends of the first spring are abutted to the inner wall of the fixing groove and the end wall of the fixing rod respectively; thereby reached and prevent wind the effect, guaranteed that the tensiometer accurately monitors the foundation ditch condition.
Description
Technical Field
The utility model relates to a monitoring facilities technical field, more specifically say, it relates to a prevent wind deep basal pit monitoring early warning device.
Background
In the practice and scientific research activities of subway engineering, deformation monitoring occupies an important position, the construction of an engineering building is continuously monitored from the beginning of construction to completion and the whole operation period after construction so as to master the deformation condition, find problems in time and ensure the safety of the engineering building, and the settlement deformation needs to be monitored and monitored for a long time so as to take measures to control the development of the engineering building.
The existing Chinese patent with the granted bulletin number of CN204080880U provides an early warning device for monitoring foundation pit deformation, which comprises a support steel sheet pile, a pull anchor steel sheet pile and a pull anchor steel wire rope, wherein the number of the pull anchor steel wire ropes is two, one end of the first steel wire rope is connected with a tension meter, the other end of the first steel wire rope is connected with a purlin surrounding part of the support steel sheet pile, one end of the second steel wire rope is connected with the other end of the tension meter and is connected with the pull anchor steel sheet pile, a fixed contact piece and a sliding contact piece are arranged on the tension meter, the sliding contact piece is connected with a zero line of an alarm, a live wire of the alarm is. The utility model discloses practice thrift construction cost, the warning is promptly rapidly, safe and reliable, a whole set of alarm system adopts 24V safe voltage, and the tensiometer increases the contact through the repacking, and when the tension value reached the design value, the contact contacted and produced the electric current and reported to the police immediately, and after the alarm sounded, operating personnel evacuated rapidly in the foundation ditch, can improve construction safety nature greatly.
However, in the monitoring working process, strong airflow often passes through the foundation pit, the wind power blows the tensiometer to shake, the tightness degree of the steel wire rope can be changed due to long-time shaking, and the steel wire rope can be even broken due to strong wind power; meanwhile, the vibration of the tension meter influences the detection effect, so that the detection effect needs to be improved.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a prevent wind deep basal pit monitoring and early warning device, it has the effect of preventing wind, has guaranteed that the tensiometer monitors the foundation ditch condition accurately.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a windproof deep foundation pit monitoring and early warning device comprises two symmetrically-arranged supporting steel sheet piles and two steel wire ropes; one end of the steel wire rope is fixedly connected with the supporting steel sheet pile, and the other end of the steel wire rope is connected with a tension meter; the tension meter is connected with the alarm through a circuit; the method is characterized in that: a wind shield is arranged between the support steel sheet piles, the length direction of the wind shield is arranged along the length direction of the steel wire rope, and the steel wire rope and the tension meter penetrate through the wind shield; abutting discs are integrally formed on the outer surface of the windshield and positioned at the two ends of the windshield, and a fixing rod is arranged on one side of each abutting disc facing the direction of the supporting steel sheet pile; one side of the supporting steel sheet pile facing the direction of the butt plate is provided with a fixing groove for the fixing rod to be inserted, a first spring is arranged in the fixing groove, and two ends of the first spring are respectively abutted to the inner wall of the fixing groove and the end wall of the fixing rod.
By adopting the technical scheme, when the tension meter works, the windproof cover is used for preventing wind to the tension meter, so that the influence on the monitoring effect due to the shaking of the wind tension meter is avoided; the dead lever at windshield both ends is inserted and is established and fix the windshield in the fixed slot, and the dead lever offsets with first spring, and when the width mode of foundation ditch changed, first spring shrink avoided strutting the steel sheet pile extrusion windshield and made the windshield damage.
Further, the butt dish is seted up towards one side of strutting the steel sheet pile direction and is supplied the dead lever to carry out the groove that slides, the lateral wall of dead lever and the inside wall in groove that slides laminate each other.
Through adopting above-mentioned technical scheme, slide at the inslot that slides through the dead lever, realize being convenient for operate tensiometer and wire rope to the dismantlement of windshield.
Furthermore, a driving rope is fixedly arranged at one end, located in the sliding groove, of the fixing rod, and one end, far away from the fixing rod, of the driving rope penetrates through the abutting disc.
Through adopting above-mentioned technical scheme, the pulling driving rope is convenient for drive the dead lever.
Furthermore, the number of the fixed rods is at least two, and the two driving ropes are knotted together; and a pull ring is arranged at one end of the driving rope outside the sliding groove.
Through adopting above-mentioned technical scheme, two driving ropes of pulling pull ring simultaneous drive have made things convenient for operating personnel to operate.
Further, a second spring is arranged in the sliding groove and is respectively abutted against the bottom walls of the fixed rod and the sliding groove.
Through adopting above-mentioned technical scheme, the second spring makes the fixed effect between dead lever and the fixed slot better with the dead lever to the outer butt of groove that slides.
Further, the inside wall in groove that slides is provided with the spacing groove, the spacing inslot cunning slides and is provided with the stopper, integrated into one piece between stopper and the dead lever.
Through adopting above-mentioned technical scheme, stopper and the lateral wall looks butt of spacing groove prevent that the dead lever from sliding out the hole that slides.
Further, the inside wall of fixed slot is provided with the rubber pad.
Through adopting above-mentioned technical scheme, when wind-force blows the windshield, the rubber pad has played certain buffering effect, has reduced the loss that the dead lever received, has postponed the life of dead lever.
Further, the outer side wall of the windshield penetrates through a viewing port, and glass is arranged in the viewing port.
Through adopting above-mentioned technical scheme, observe the condition of tensiometer through the viewing aperture, be convenient for know the safe condition of foundation ditch in real time.
To sum up, the utility model discloses following beneficial effect has:
1. the fixing rod is inserted into the fixing groove to fix the wind-proof cover, and when the tension meter works, the wind-proof cover prevents wind for the tension meter, so that the influence on a steel wire rope and a monitoring effect due to the shaking of the wind tension meter is avoided; the fixing rods at the two ends of the wind cap are inserted into the fixing grooves to fix the wind cap, the fixing rods abut against the first spring, and when the width mode of the foundation pit is changed, the first spring contracts to prevent the wind cap from being damaged due to extrusion of the supporting steel sheet pile;
2. the drive pull ring makes the dead lever slide at the inslot that slides, and the second spring shrink, the dead lever breaks away from the fixed slot, realizes the dismantlement to the windshield, and the operating personnel of being convenient for operates driving rope and tensiometer.
Drawings
FIG. 1 is a schematic cross-sectional view of a monitoring and early warning device for a wind-proof deep foundation pit in an embodiment;
fig. 2 is a schematic sectional view showing the connection between the windshield and the supporting steel sheet pile according to the embodiment.
In the figure: 1. supporting steel sheet piles; 2. a wire rope; 21. a tension meter; 22. an alarm; 3. a windshield; 31. a butting tray; 32. a viewing port; 33. glass; 4. fixing the rod; 41. a limiting block; 5. fixing grooves; 51. a first spring; 6. a sliding groove; 61. a limiting groove; 62. a second spring; 7. a drive rope; 71. a pull ring; 8. and (7) a rubber pad.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
a windproof deep foundation pit monitoring and early warning device is disclosed, referring to fig. 1, and comprises support steel sheet piles 1 and steel wire ropes 2 positioned between the support steel sheet piles 1, wherein the number of the steel wire ropes 2 is two, one ends of the steel wire ropes 2 are connected with the support steel sheet piles 1 through lifting hooks, the other ends of the steel wire ropes 2 are connected with tension meters 21, and the steel wire ropes 2 are in a tension state; the tension meter 21 is connected with the alarm 22 through a circuit; when the distance between the foundation pits changes, the steel wire rope 2 contracts, and the slide sheet on the tension meter 21 triggers the alarm 22 to give an early warning.
Referring to fig. 1 and 2, a wind shield 3 is arranged between supporting steel sheet piles 1, the length direction of the wind shield 3 is arranged along the length direction of a steel wire rope 2, the wind shield 3 surrounds a tension meter 21 and the steel wire rope 2, and the influence of air flow on monitoring of the tension meter 21 is effectively avoided; abutting discs 31 are arranged on the outer surface and two sides of the windshield 3, the abutting discs 31 and the windshield 3 are integrally formed, a sliding groove 6 is formed in one side, facing the direction of the supporting steel sheet pile 1, of the abutting discs 31, a fixing rod 4 is arranged in the sliding groove 6 in a sliding mode, and the outer side wall of the fixing rod 4 is attached to the inner side wall of the sliding groove 6; a fixing groove 5 for inserting a fixing rod 4 is formed in one side, facing the direction of the abutting disc 31, of the supporting steel sheet pile 1, and the fixing rod 4 is inserted into the fixing groove 5 to fix the windshield 3; be provided with first spring 51 in the fixed slot 5, the diapire that first spring 51's one end was passed through screw and fixed slot 5 is fixed mutually, and first spring 51's the other end and the end wall looks butt of dead lever 4, when the foundation ditch took place to shrink, first spring 51 took place to shrink, avoids strutting steel sheet pile 1 and produces the damage to windshield 3 extrusion.
Referring to fig. 2, a second spring 62 is arranged in the sliding groove 6, the second spring 62 is respectively abutted against the bottom walls of the fixed rod 4 and the sliding groove 6, the fixed rod 4 is abutted against the outside of the sliding groove 6 by the second spring 62, so that the fixed rod 4 is inserted into the fixed groove 5, and the stability of the windshield 3 is improved; the inside wall in groove 6 slides is provided with spacing groove 61, and the length direction in groove 6 slides along the length direction setting of groove 61, and the length in spacing groove 61 is less than the length in groove 6 that slides, and the sliding is provided with stopper 41 in the spacing groove 61, integrated into one piece between stopper 41 and the dead lever 4, stopper 41 and spacing groove 61 looks butt prevent that dead lever 4 from breaking away from out groove 6 that slides.
Referring to fig. 1 and 2, a driving rope 7 is fixedly arranged at one end of the fixed rod 4 located in the sliding groove 6, the driving rope 7 penetrates through the second spring 62, one end of the driving rope 7 far away from the fixed rod 4 penetrates through the abutting disc 31, and the driving rod is pulled to drive the fixed rod 4; the number of the fixed rods 4 is at least two, and one ends of the driving ropes 7, which are positioned outside the sliding grooves 6, are connected together through knots, so that the two fixed rods 4 can be driven to detach the windshield 3 conveniently; the one end that the driving rope 7 is located outside the groove 6 that slides glues admittedly and is provided with pull ring 71, drives driving rope 7 through pull ring 71, causes the injury to the people when avoiding driving rope 7 to slide.
Referring to fig. 2, the inside wall glue of fixed slot 5 is provided with rubber pad 8 admittedly, and rubber pad 8 avoids the mutual butt of the direct inner wall with fixed slot 5 of dead lever 4, when wind-force blows windshield 3, rubber pad 8 has played certain buffering effect, has reduced the loss that dead lever 4 received, has postponed the life of dead lever 4.
Referring to fig. 1, the outer side wall of the windshield 3 is provided with an observation port 32 in a penetrating manner, glass 33 is fixedly arranged in the observation port 32, the tension meter 21 is observed through the observation port 32, and the safety condition of the foundation pit is convenient to know in real time.
The working principle is as follows:
when the monitoring device works, the steel wire rope 2 is observed on the windshield 3, the pull ring 71 is driven, the driving rope 7 is pulled, the fixed rod 4 slides in the sliding groove 6, and the second spring 62 contracts; with butt dish 31 and the butt of strutting the steel sheet pile 1, not hard up pull ring 71, under the pressure of second spring 62, make dead lever 4 insert establish to the fixed slot in, fix windshield 3, windshield 3 effectively reduces the influence of air current to the tensiometer 21 test, has improved the accuracy of early warning device work.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The windproof deep foundation pit monitoring and early warning device comprises two supporting steel sheet piles (1) and two steel wire ropes (2) which are symmetrically arranged, wherein the number of the steel wire ropes (2) is two; one end of the steel wire rope (2) is fixedly connected with the supporting steel sheet pile (1), and the other end of the steel wire rope (2) is connected with a tension meter (21); the tension meter (21) is connected with the alarm (22) through a circuit; the method is characterized in that: the windproof and windproof steel sheet pile is characterized in that windproof covers (3) are arranged between the supporting steel sheet piles (1), the length direction of each windproof cover (3) is arranged along the length direction of a steel wire rope (2), and the steel wire rope (2) and a tension meter (21) penetrate through the windproof covers (3); abutting discs (31) are integrally formed on the outer surface of the windshield (3) and positioned at the two ends of the windshield, and a fixing rod (4) is arranged on one side of each abutting disc (31) facing the direction of the supporting steel sheet pile (1); one side of the supporting steel sheet pile (1) facing the direction of the abutting disc (31) is provided with a fixing groove (5) for inserting the fixing rod (4), a first spring (51) is arranged in the fixing groove (5), and two ends of the first spring (51) are respectively abutted to the inner wall of the fixing groove (5) and the end wall of the fixing rod (4).
2. The wind-proof deep foundation pit monitoring and early warning device according to claim 1, characterized in that: the butt joint disc (31) offers the groove (6) that slides that supplies dead lever (4) to slide towards one side of strutting steel sheet pile (1) direction, the lateral wall of dead lever (4) and the inside wall in groove (6) that slides laminate each other.
3. The wind-proof deep foundation pit monitoring and early warning device according to claim 1, characterized in that: the fixed rod (4) is located the fixed drive rope (7) that is provided with of one end in groove (6) that slides, the butt dish (31) is run through to the one end that dead lever (4) were kept away from in drive rope (7).
4. The wind-proof deep foundation pit monitoring and early warning device according to claim 3, characterized in that: the number of the fixed rods (4) is at least two, and the driving ropes (7) are knotted together; and a pull ring (71) is arranged at one end of the driving rope (7) positioned outside the sliding groove (6).
5. The wind-proof deep foundation pit monitoring and early warning device according to claim 4, wherein: and a second spring (62) is arranged in the sliding groove (6), and the second spring (62) is respectively abutted against the bottom walls of the fixed rod (4) and the sliding groove (6).
6. The wind-proof deep foundation pit monitoring and early warning device according to claim 5, characterized in that: the inside wall in groove (6) that slides is provided with spacing groove (61), the slip is provided with stopper (41) in spacing groove (61), integrated into one piece between stopper (41) and dead lever (4).
7. The wind-proof deep foundation pit monitoring and early warning device according to claim 1, characterized in that: and a rubber pad (8) is arranged on the inner side wall of the fixing groove (5).
8. The wind-proof deep foundation pit monitoring and early warning device according to claim 1, characterized in that: the outer side wall of the windshield (3) penetrates through a viewing port (32), and glass (33) is arranged in the viewing port (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920672283.2U CN210315697U (en) | 2019-05-11 | 2019-05-11 | Prevent wind deep basal pit monitoring early warning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920672283.2U CN210315697U (en) | 2019-05-11 | 2019-05-11 | Prevent wind deep basal pit monitoring early warning device |
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| Publication Number | Publication Date |
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| CN210315697U true CN210315697U (en) | 2020-04-14 |
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| CN201920672283.2U Active CN210315697U (en) | 2019-05-11 | 2019-05-11 | Prevent wind deep basal pit monitoring early warning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211201A (en) * | 2020-09-29 | 2021-01-12 | 中铁第四勘察设计院集团有限公司 | Anti-falling and early warning device for foundation pit steel pipe cross brace |
| CN115711852A (en) * | 2022-11-25 | 2023-02-24 | 浙江省工程勘察设计院集团有限公司 | Automatic side slope crack monitoring device and hoisting method thereof |
-
2019
- 2019-05-11 CN CN201920672283.2U patent/CN210315697U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211201A (en) * | 2020-09-29 | 2021-01-12 | 中铁第四勘察设计院集团有限公司 | Anti-falling and early warning device for foundation pit steel pipe cross brace |
| CN115711852A (en) * | 2022-11-25 | 2023-02-24 | 浙江省工程勘察设计院集团有限公司 | Automatic side slope crack monitoring device and hoisting method thereof |
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