CN211816490U - Rail transit station foundation ditch construction risk automatic early warning device that collapses - Google Patents
Rail transit station foundation ditch construction risk automatic early warning device that collapses Download PDFInfo
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- CN211816490U CN211816490U CN202020332446.5U CN202020332446U CN211816490U CN 211816490 U CN211816490 U CN 211816490U CN 202020332446 U CN202020332446 U CN 202020332446U CN 211816490 U CN211816490 U CN 211816490U
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- fixedly connected
- early warning
- warning device
- rail transit
- connecting block
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 230000000007 visual effect Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000002337 anti-port Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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Abstract
The utility model discloses an automatic early warning device for foundation pit construction collapse risk of rail transit stations, which comprises a bottom plate, wherein a plurality of fixing screw rods are arranged on the bottom plate; the upper end fixedly connected with lower cover of bottom plate, it has the recess to open in the lower cover, be provided with actuating mechanism in the recess, actuating mechanism's output is provided with central connecting block, the upper end fixedly connected with connecting rod of central connecting block, the upper end of connecting rod is connected with the upper cover through the elastic component, a plurality of bracing pieces of top fixedly connected with of upper cover, the top fixedly connected with roof of bracing piece. The utility model discloses a roof measurement area of contact is big, and the error that can effectual somewhere, after the roof wholly descends, can audio-visually see out through the mark whether the top takes place the displacement, and the elasticity that overcomes the spring when the roof descends to preset's threshold value, and the travel switch that overlaps promptly and overlap down touches, and audible-visual warning constructor can be audio-visual this moment.
Description
Technical Field
The utility model relates to a foundation ditch construction early warning technical field especially relates to a track traffic station foundation ditch construction risk automatic early warning device that collapses.
Background
In subway station foundation ditch work progress, because the subway accident of collapsing causes many people casualties and loss of property, consequently, the safety problem in the work progress is very important, carries out deep basal pit work progress, important link essential during safety inspection and early warning, the important guarantee of construction safety more, for this reason, we provide a track traffic station foundation ditch construction risk automatic early warning device that collapses.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem, and the automatic early warning device of risk that collapses of track traffic station foundation ditch construction that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an automatic early warning device for foundation pit construction collapse risks of rail transit stations comprises a bottom plate, wherein a plurality of fixing screws are arranged on the bottom plate;
the upper end fixedly connected with lower cover of bottom plate, it has the recess to open in the lower cover, be provided with actuating mechanism in the recess, actuating mechanism's output is provided with central connecting block, the upper end fixedly connected with connecting rod of central connecting block, the upper end of connecting rod is connected with the upper cover through the elastic component, a plurality of bracing pieces of top fixedly connected with of upper cover, the top fixedly connected with roof of bracing piece.
Preferably, the top plate is curved in an arc shape.
Preferably, the driving mechanism comprises a turntable, a worm fixedly connected with the turntable, a worm wheel meshed with the worm, and a screw fixedly connected with the worm wheel, the worm and the screw are rotatably connected to the groove of the lower sleeve, and the screw is in threaded connection with the central connecting block.
Preferably, the central connecting block adopts a cylindrical structure, and the outer surface of the central connecting block is provided with scales.
Preferably, the elastic part comprises a connecting rod, a sliding block and a spring, two ends of the connecting rod are respectively fixedly connected with the central connecting block and the sliding block, a cavity is formed in the upper sleeve, the spring is fixedly connected to the inner top end of the cavity, and the sliding block is located in the cavity and is fixedly connected with the bottom end of the spring.
Preferably, the surface of lower cover is provided with audible-visual annunciator, audible-visual annunciator adopts travel switch and sets up in the upper end port department of lower cover.
Compared with the prior art, the utility model discloses possess following advantage:
the utility model discloses a roof measurement area of contact is big, and the error that can effectual somewhere, after the roof wholly descends, can audio-visually see out through the mark whether the top takes place the displacement, and the elasticity that overcomes the spring when the roof descends to preset's threshold value, and the travel switch that overlaps promptly and overlap down touches, and audible-visual warning constructor can be audio-visual this moment.
Drawings
Fig. 1 is a schematic structural view of an automatic early warning device for the collapse risk in the foundation pit construction of a rail transit station provided by the utility model;
fig. 2 is an enlarged schematic view of the driving structure of fig. 1 according to the present invention.
In the figure: the device comprises a base plate 1, a fixing screw rod 2, a lower sleeve 3, a driving mechanism 4, a turntable 41, a worm 42, a worm wheel 43, a screw rod 44, a central connecting block 5, an upper sleeve 6, a connecting rod 7, a sliding block 8, a spring 9, a supporting rod 10, a top plate 11 and an audible and visual alarm 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, an automatic early warning device of risk of rail transit station foundation ditch construction collapse includes bottom plate 1, is provided with a plurality of clamping screw 2 on the bottom plate 1, can carry out quick installation fixedly to base 1 through clamping screw 2.
The upper end of the bottom plate 1 is fixedly connected with a lower sleeve 3, the outer surface of the lower sleeve 3 is provided with an audible and visual alarm 12, and the audible and visual alarm 12 adopts a travel switch and is arranged at the upper end port of the lower sleeve 3. The connection mode and principle of the travel switch and the audible and visual alarm 12 are the prior art, and are not described herein any more, the distance between the lower sleeve 3 and the upper sleeve 6 is defined as the maximum displacement threshold, and when the audible and visual alarm gives an alarm, the displacement representing the top plate 11 exceeds the threshold.
A groove is formed in the lower sleeve 3, a driving mechanism 4 is arranged in the groove, and a central connecting block 5 is arranged at the output end of the driving mechanism 4. The central connecting block 5 is of a cylindrical structure, and the outer surface of the central connecting block 5 is provided with scales which can be visually read to determine the displacement.
The driving mechanism 4 comprises a turntable 41, a worm 42 fixedly connected with the turntable 41, a worm wheel 43 meshed with the worm 42, and a screw 44 fixedly connected with the worm wheel 43, wherein the worm 42 and the screw 44 are both rotatably connected to a groove of the lower sleeve 3, the screw 44 is in threaded connection with the central connecting block 5, a threaded hole is formed in the bottom end of the central connecting block 5, and the bolt hole is as long as possible and is used for accommodating the screw 44.
The driving mechanism 4 can drive the worm 42 to rotate by rotating the turntable 41, the worm 42 can drive the worm wheel 43 meshed with the worm 42 to rotate, the worm wheel 43 can drive the screw 44 to rotate, and the screw 44 drives the central connecting block 5 in threaded connection with the screw to move up and down linearly. The height of roof 11 can be raised in the setting of actuating mechanism 4 to with the better laminating in foundation ditch top, worm 42 and worm wheel 43 adopt the line of reverse auto-lock simultaneously, thereby avoid the antiport, also avoided other people's maloperation.
The upper end fixedly connected with connecting rod 7 of central connecting block 5, the upper end of connecting rod 7 is connected with upper cover 6 through the elastic component.
Elastic component includes connecting rod 7, slider 8 and spring 9, and the both ends of connecting rod 7 respectively with central connecting block 5 and slider 8 fixed connection, have seted up the cavity in the upper cover 6, spring 9 fixed connection is at the interior top of cavity, slider 8 be located the cavity and with the bottom fixed connection of spring 9. The setting of elastic component 7 can be so that roof 11 laminates the top at the foundation ditch all the time, but this practicality is not load-bearing device.
It is worth mentioning that the sliding block 8 can be rectangular, and the cavity can also be rectangular, so that the sliding block 8 can only slide linearly up and down, the connecting rod 7 fixedly connected with the sliding block and the central connecting block 5 can only move up and down, and the central connecting block 5 is prevented from rotating under the driving of the screw rod 44.
The top end of the upper sleeve 6 is fixedly connected with a plurality of supporting rods 10, and the top ends of the supporting rods 10 are fixedly connected with a top plate 11.
In this embodiment, the top plate 11 is curved into an arc shape, so as to better fit the upper top surface of the foundation pit of the rail transit station.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. An automatic early warning device for foundation pit construction collapse risks of rail transit stations comprises a bottom plate (1) and is characterized in that a plurality of fixing screws (2) are arranged on the bottom plate (1);
the upper end fixedly connected with of bottom plate (1) is lower cover (3), set up the recess in lower cover (3), be provided with actuating mechanism (4) in the recess, the output of actuating mechanism (4) is provided with central connecting block (5), the upper end fixedly connected with connecting rod (7) of central connecting block (5), the upper end of connecting rod (7) is connected with upper cover (6) through the elastic component, a plurality of bracing pieces of top fixedly connected with (10) of upper cover (6), the top fixedly connected with roof (11) of bracing piece (10).
2. The automatic early warning device for the foundation pit construction collapse risk of the rail transit station as claimed in claim 1, wherein the top plate (11) is curved into an arc shape.
3. The automatic early warning device for the foundation pit construction collapse risk of the rail transit station as claimed in claim 1, wherein the driving mechanism (4) comprises a turntable (41), a worm (42) fixedly connected with the turntable (41), a worm wheel (43) meshed with the worm (42), and a screw (44) fixedly connected with the worm wheel (43), the worm (42) and the screw (44) are both rotatably connected to a groove of the lower sleeve (3), and the screw (44) is in threaded connection with the central connecting block (5).
4. The automatic early warning device for the foundation pit construction collapse risk of the rail transit station as claimed in claim 1, wherein the central connecting block (5) is of a cylindrical structure, and the outer surface of the central connecting block (5) is provided with scales.
5. The automatic early warning device for the collapse risk of the foundation pit construction at the rail transit station as claimed in claim 1, wherein the elastic member comprises a connecting rod (7), a sliding block (8) and a spring (9), two ends of the connecting rod (7) are respectively and fixedly connected with the central connecting block (5) and the sliding block (8), a cavity is formed in the upper sleeve (6), the spring (9) is fixedly connected to the inner top end of the cavity, and the sliding block (8) is located in the cavity and fixedly connected with the bottom end of the spring (9).
6. The automatic early warning device for the foundation pit construction collapse risk of the rail transit station as claimed in claim 1, wherein an audible and visual alarm (12) is arranged on the outer surface of the lower sleeve (3), and the audible and visual alarm (12) is a travel switch and is arranged at the upper end port of the lower sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332446.5U CN211816490U (en) | 2020-03-17 | 2020-03-17 | Rail transit station foundation ditch construction risk automatic early warning device that collapses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332446.5U CN211816490U (en) | 2020-03-17 | 2020-03-17 | Rail transit station foundation ditch construction risk automatic early warning device that collapses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211816490U true CN211816490U (en) | 2020-10-30 |
Family
ID=73012691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020332446.5U Expired - Fee Related CN211816490U (en) | 2020-03-17 | 2020-03-17 | Rail transit station foundation ditch construction risk automatic early warning device that collapses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211816490U (en) |
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2020
- 2020-03-17 CN CN202020332446.5U patent/CN211816490U/en not_active Expired - Fee Related
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Legal Events
| 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: 20201030 |