CN113737860A - Cover plate type protection system with detection function for foundation pit - Google Patents
Cover plate type protection system with detection function for foundation pit Download PDFInfo
- Publication number
- CN113737860A CN113737860A CN202111028770.3A CN202111028770A CN113737860A CN 113737860 A CN113737860 A CN 113737860A CN 202111028770 A CN202111028770 A CN 202111028770A CN 113737860 A CN113737860 A CN 113737860A
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- plate
- cover plate
- foundation pit
- conductive
- frame
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1481—Security devices, e.g. indicating unauthorised opening
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to the technical field of foundation pit protection, in particular to a cover plate type protection system with a detection function for a foundation pit; the device comprises a bottom plate with an opening, wherein the opening of the bottom plate is provided with a frame, and the frame is provided with two cover plates and a first moving mechanism for controlling the cover plates to open and close; the cover plate is internally provided with a groove, the groove is internally provided with a first current-conducting plate, the first current-conducting plate is provided with a current-conducting post and a first spring, the first spring is provided with a second current-conducting plate, and the second current-conducting plate is provided with a first insulating plate; a friction plate is arranged below the cover plate, a rack is arranged below the friction plate, the cover plate is provided with a limiting slide rail matched with the rack, and the first moving mechanism is provided with a first gear meshed with the rack; the cover plate is provided with a telescopic mechanism and a first motor which are used for controlling the friction plate to move; the first conductive plate, the second conductive plate, the conductive column and the first motor can form a closed loop; the detachable electric foundation pit cover plate avoids objects on the cover plate in the cover plate opening process from damaging personnel in a foundation pit, improves the safety of foundation pit operation, and can be widely applied to the field of foundation pit protection.
Description
Technical Field
The invention relates to the technical field of foundation pit protection, in particular to a cover plate type protection system with a detection function for a foundation pit.
Background
During excavation operation of a foundation pit, in order to prevent falling objects such as falling rocks outside the pit and tools from sliding into the pit and damaging construction operators in the pit, a pit opening is usually plugged by using a cover plate; the construction operation personnel take place the pit in the operation in-process in the pit on the object drops to the apron, when construction operation personnel operation was accomplished, opened the apron, dropped on the apron the object probably along with opening of apron drop to the pit in, lead to construction operation personnel to be injured at the in-process that the apron was opened.
Disclosure of Invention
The invention provides a cover plate type protection system for a foundation pit, which has a detection function and aims to solve the problem that in the prior art, in the process of opening a protective cover plate of the foundation pit, an object on the cover plate possibly falls into the pit to injure operators in the foundation pit; it can avoid operating personnel to open the apron under the condition that has the junk on the apron in the foundation ditch, leads to the emergence of the interior operating personnel injured condition of foundation ditch.
In order to solve the technical problem, the invention is solved by the following technical scheme:
a cover plate type protection system with a detection function for a foundation pit comprises a bottom plate, wherein an opening matched with the foundation pit is formed in the bottom plate, a frame is arranged above the opening and is oppositely provided with a cover plate for plugging the opening, and the frame is also provided with a first moving mechanism for controlling the cover plate to open and close; a groove is formed in the cover plate, a first conductive plate is arranged in the groove, a conductive column is arranged on the first conductive plate, a second conductive plate is arranged above the conductive column, a first spring used for abutting against the second conductive plate to be separated from the conductive column is arranged on the first conductive plate, and a first insulating plate is arranged on the second conductive plate; a friction plate is arranged below the cover plate, a rack is arranged below the friction plate, a limiting slide rail matched with the rack is arranged on the cover plate along the length direction, and a first gear meshed with the rack is arranged on the first moving mechanism; a telescopic mechanism used for controlling the friction plate to move up and down and further controlling the friction force between the friction plate and the rack is arranged between the friction plate and the cover plate, and a first motor used for controlling the telescopic mechanism is arranged on the lower end face of the cover plate; the cover plate forms a closed loop with the first conductive plate, the second conductive plate, the conductive column and the first motor after being pressed.
According to the invention, through the arrangement of the conductive columns and the first springs in the cover plate, the working state of the first motor can be accurately adjusted according to the pressure on the cover plate, so that the friction force between the friction plate and the rack is controlled through the first moving mechanism, when the pressure on the cover plate is too high, the cover plate cannot be opened through the first moving mechanism, the object on the cover plate is prevented from falling off in the opening process of the cover plate, the workers in a foundation pit are protected, and the safety of the foundation pit protection cover plate is improved.
Wherein first gear and rack matched with set up for the removal of control apron that first moving mechanism can be comparatively accurate has improved the precision and the practicality of the apron formula protection system for the foundation ditch that has the detection function.
Preferably, the first moving mechanism comprises a first rotating shaft and a second rotating shaft which are arranged on the frame and used for installing a first gear, the first rotating shaft is connected with a second motor, the frame is further provided with an installation shaft, a first transmission belt used for transmission is arranged between the installation shaft and the first rotating shaft, the installation shaft is provided with a second gear which coaxially rotates with the installation shaft, and the second rotating shaft is provided with a third gear meshed with the second gear.
According to the cover plate type protection system for the foundation pit, the first rotating shaft is connected with the mounting shaft through the first transmission belt, the third gear on the second rotating shaft is meshed with the second gear on the mounting shaft, so that the rotating directions of the first rotating shaft and the second rotating shaft are opposite, the moving directions of the two cover plates are opposite when the two cover plates are opened and closed, the cover plate type protection system for the foundation pit with the detection function can be opened and closed by only using one second motor, the structure of the cover plate type protection system for the foundation pit with the detection function is simplified, and the practicability of the cover plate type protection system for the foundation pit with the detection function is improved.
Preferably, the telescopic mechanism comprises a second spring used for connecting the friction plate and the bottom of the cover plate, and further comprises a driving shaft driven by a first motor, and driven shafts connected with a driving shaft gear are arranged on two sides of the driving shaft; the friction plate is provided with a plurality of connecting blocks, the cover plate is provided with a frame body used for limiting the connecting blocks, the connecting blocks are arranged on two sides of the driving shaft in a plurality of uniform distribution, and the two driven shafts are provided with connecting pieces used for driving the connecting blocks to move.
According to the invention, the first motor connecting block moves up and down in the frame body, so that the position of the friction plate is adjusted, and the friction force between the friction plate and the rack is further controlled; this kind of regulation mode has simple structure's advantage.
The second spring is arranged, so that after pressure on the cover plate is removed, the friction plate can be quickly reset, and the sensitivity and the reliability of the device are improved.
Preferably, the frame body is provided with a first through hole along the length direction of the cover plate, the connecting block is provided with a second through hole along the length direction of the cover plate, the connecting piece comprises two first connecting plates arranged on two sides of the frame body, the two first connecting plates are connected through a second connecting plate, and the second connecting plate penetrates through the first through hole and the second through hole.
According to the invention, the second connecting plate between the two first connecting plates passes through the first through hole, the second through hole and the arrangement that the connecting block is arranged in the frame body, so that the rotation of the driven shaft can control the up-and-down movement of the connecting block in the frame body, the control of the first motor on the connecting block is better realized, and the practicability of the invention is improved.
Preferably, the end part of the cover plate far away from the frame extends downwards to form an extending part, a limiting slide rod is arranged on the extending part, a limiting hole matched with the limiting slide rod is formed in the frame, the limiting slide rod penetrates through the limiting hole to extend into the frame, and the end part of the limiting slide rod extending into the frame is bent to form a bending part.
The extension part and the limiting slide rod are matched, so that the cover plate is prevented from falling off due to the fact that the second motor is not closed in time in the opening process of the cover plate, and the safety and the practicability of the cover plate type protection system for the foundation pit with the detection function are improved.
Preferably, the first spring is sleeved outside the conductive column, and the conductive column is provided with a plurality of conductive columns which are uniformly distributed on the first conductive plate.
According to the invention, the arrangement that the first spring is sleeved outside the conductive column ensures that the conductive column is not electrically connected with the second conductive plate under the condition that the cover plate is not stressed, so that the stability of the device is improved.
Wherein lead electrical pillar and be equipped with a plurality of and evenly distributed's setting on first current conducting plate, make arbitrary position pressurized of apron up end all can make lead electrical pillar and second current conducting plate electric connection, and then start first motor disconnection friction plate and be connected between the rack, avoided the apron to open under the circumstances of junk on the apron, improved the practicality of device.
Preferably, the first spring is made of an insulating material.
When the cover plate is not pressed, the first spring props against the second current conducting plate until the second current conducting plate is separated from the current conducting post, and the first spring is made of insulating materials, so that the first current conducting plate is disconnected from the second current conducting plate when the cover plate is not pressed, and the practicability of the device is improved.
Drawings
Fig. 1 is a schematic structural view of a cover plate type protection system for a foundation pit with a detection function in embodiment 1;
FIG. 2 is a cross-sectional view of the cover plate of FIG. 1;
fig. 3 is a schematic structural view of the telescopic structure in embodiment 1;
fig. 4 is a plan view of a cover plate type protection system for a foundation pit with a detection function in embodiment 1;
FIG. 5 is an enlarged view of the telescoping structure of FIG. 3;
fig. 6 is a schematic structural view of a stopper rod in embodiment 1.
The names of the parts indicated by the numerical references in the drawings are as follows:
101. a base plate; 102. an opening; 103. a frame; 104. a cover plate; 105 an extension; 201. a groove; 202. a first conductive plate; 203. a conductive post; 204. a second conductive plate; 205. a first spring; 206. a first insulating plate; 301. a first motor; 302. a friction plate; 303. a rack; 304. a limiting slide rail; 305. a drive shaft; 306. a driven shaft; 307. connecting blocks; 308. a frame body; 309. a connecting member; 310. a second spring; 401. a first rotating shaft; 402. a second rotating shaft; 403. a second motor; 404. installing a shaft; 405. a first drive belt; 406. a third gear; 407. a second gear 501, a first connecting plate; 502. a second connecting plate; 502. a first through hole; 504. a second through hole; 601. a first gear; 602. a limiting slide bar; 603 bending part; 604. and a limiting hole.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.
Example 1
As shown in fig. 1 to 4, the embodiment provides a cover plate type protection system for a foundation pit with a detection function, which includes a bottom plate 101, an opening 102 matched with the foundation pit is provided on the bottom plate 101, a frame 103 above the opening 102 is provided on the bottom plate 101, two cover plates 104 for plugging the opening 102 are relatively provided on the frame 103, and a first moving mechanism for controlling the cover plates 104 to open and close is further provided on the frame 103; a groove 201 is formed in the cover plate 104, a first conductive plate 202 is arranged in the groove 201, a conductive column 203 is arranged on the first conductive plate 202, a first spring 203 is sleeved outside the conductive column 203, the conductive columns 203 are provided with a plurality of parts which are uniformly distributed on the first conductive plate 202, and the first spring 205 is made of an insulating material; a second conductive plate 204 is arranged above the conductive post 203, the first spring pushes against the second conductive plate 204 to separate from the conductive post 203, and a first insulating plate 206 is arranged on the conductive post second conductive plate 204; a friction plate 302 is arranged below the cover plate 104, a rack 303 is arranged below the friction plate 302, a limit slide rail 304 matched with the rack 303 is arranged along the length direction of the cover plate 104, and a first gear 601 meshed with the rack 303 is arranged on the first moving mechanism; a telescopic mechanism used for controlling the friction plate 302 to move up and down and further controlling the friction force between the friction plate 302 and the rack 303 is arranged between the friction plate 302 and the cover plate 104, and a first motor 301 used for controlling the telescopic mechanism is arranged on the lower end face of the cover plate 104; the cover plate 104, the first conductive plate 202, the second conductive plate 203, the conductive pillar 204 and the first motor 301 form a closed loop after being pressed. The telescopic mechanism comprises a second spring 310 for connecting the friction plate 302 with the bottom of the cover plate 104, and further comprises a driving shaft 305 driven by a first motor 301, and driven shafts 306 in gear connection with the driving shaft 305 are arranged on two sides of the driving shaft 305; the friction plate 302 is provided with a plurality of connecting blocks 307, the cover plate 104 is provided with a frame 308 for limiting the connecting blocks 307, the connecting blocks 307 are provided with a plurality of connecting pieces 309 which are uniformly distributed on two sides of the driving shaft 305, and the two driven shafts 306 are provided with connecting pieces 309 for driving the connecting blocks 307 to move.
In the embodiment, when a constructor needs to operate in a foundation pit, the opening 102 in the bottom plate 101 is aligned with the foundation pit, the cover plate 104 is opened, and the constructor enters the foundation pit from the opening 102; in order to prevent the constructors in the foundation pit from being injured by falling objects into the foundation pit, the cover plate 104 is closed; in the process of the operation of the foundation pit, a constructor may have a possibility that an object falls onto the cover plate 104, at the moment, the cover plate 104 is pressed, the second conductive plate 204 compresses the first spring 205 to be in contact with the conductive post 203, the first conductive plate 202, the second conductive plate 204, the conductive post 203 and the first motor 301 form a closed loop, the first motor 301 drives the telescopic mechanism to move, the telescopic mechanism drives the friction plate 302 to move, so that the friction plate 302 is separated from the contact with the rack 303, the condition that the constructor in the foundation pit starts the second motor 403 to open the cover plate 104 under the condition that the constructor has a heavy object on the cover plate 104, the heavy object falls into the foundation pit to cause the constructor in the foundation pit to be injured is avoided, and the safety of the working environment in the foundation pit is improved; when the falling objects on the cover plate 104 are removed, the second conductive plate 204 is separated from the conductive column 203 under the action of the first spring 205, the first motor 301 stops running, the friction plate 302 is tightly abutted against the rack 303 under the action of the second spring 310 and gravity, and a constructor in the foundation pit can start the second motor 403 to open the cover plate 104 and leave the foundation pit from the opening.
Through the setting of first gear 601 and rack 303 matched with in this example for the removal of control apron 104 that first moving mechanism can be comparatively accurate has improved the precision and the practicality of the apron formula protection system for the foundation ditch that has the detection function.
The driving shaft 305 is controlled to rotate by the first motor 301 in this embodiment, the driving shaft 305 drives the two driven shafts 306 to rotate, the two driven shafts 306 enable the connecting block 307 to move upwards in the frame 308 through the connecting piece 309, and then the position of the friction plate 302 is adjusted, and the friction force between the friction plate 302 and the rack 303 is controlled; when the pressure on the cover plate 104 is too high, the second motor 403 cannot drive the cover plate 104 to open, and this adjustment method can preferably realize the control of the friction plate 302 by the first motor 301.
Through the arrangement of the second spring 401 in the embodiment, after the pressure on the cover plate 104 is removed, the friction plate 302 can be rapidly reset under the action of the elastic force of the second spring 401, so that the sensitivity and the reliability of the cover plate type protection system device for the foundation pit with the detection function are improved.
By enclosing the conductive post 203 in this embodiment with the first spring 205, it is ensured that the conductive post 203 is not electrically connected to the second conductive plate 204 when the cover plate 104 is not under pressure, thereby improving the stability of the device.
Through the arrangement of the plurality of conductive posts 203 arranged on the first conductive plate 202 and the uniform distribution of the conductive posts 203 on the first conductive plate 202 in the embodiment, any part of the upper end surface of the cover plate 104 is pressed to electrically connect the conductive posts 203 with the second conductive plate 204, so that the first motor 301 is started to disconnect the connection between the friction plate 302 and the rack 303, thereby avoiding that constructors open the cover plate 104 under the condition that the cover plate 104 has a drop, and improving the practicability of the device.
In this embodiment, the first spring 205 is made of an insulating material, so that the cover plate 104 is not pressed, and when the second conductive plate 204 is separated from the conductive post 203 under the contact of the first spring 205, the first conductive plate 202 is disconnected from the second conductive plate 204.
As shown in fig. 4, in this embodiment, the first moving mechanism includes a first rotating shaft 401 and a second rotating shaft 402 which are provided on the frame 103 and used for mounting a first gear 601, a second motor 403 is connected to the first rotating shaft 401, a mounting shaft 404 is further provided on the frame 103, a first transmission belt 405 for transmission is provided between the mounting shaft 404 and the first rotating shaft 401, a second gear 407 which rotates coaxially with the mounting shaft 404 is provided on the mounting shaft 404, and a third gear 406 which is engaged with the second gear 407 is provided on the second rotating shaft 402.
This embodiment uses first drive belt 405 to be connected through first pivot 401 and installation axle 404, third gear 406 on the second pivot 402 and the connected mode of installing epaxial second gear 407 intermeshing on the axle 404, make the rotation opposite direction of first pivot 401 and second pivot 402, the direction of movement is opposite when two apron 104 open and shut, make the apron formula protection system for foundation ditch that has the detection function can only use the opening and shutting of two apron 104 of a second motor 403 control, the apron formula protection system's for foundation ditch structure that has the detection function structure has been simplified, the apron formula protection system's for foundation ditch practicality that has the detection function has been improved.
As shown in fig. 5, in this embodiment, the frame 308 is provided with a first through hole 503 along the length direction of the cover plate 104, the connecting block 307 is provided with a second through hole 504 along the length direction of the cover plate 104, and the connecting member 309 includes two first connecting plates 501 disposed at two sides of the frame 308, the two first connecting plates 501 are connected by a second connecting plate 502, and the second connecting plate 502 passes through the first through hole 503 and the second through hole 504.
In this embodiment, the second connecting plate 502 passes through the first through hole 503 and the second through hole 504 to connect the two first connecting plates 501, and the connecting member 309 is disposed in the frame 308 to slide up and down, so that the rotation of the driven shaft 306 can control the connecting block 307 to move up in the frame 308, and the control of the first motor 301 on the connecting block 307 is preferably realized.
As shown in fig. 6, in this embodiment, the end of the cover plate 104 far from the frame 103 extends downward to form an extended portion 105, a limiting slide rod 602 is disposed on the extended portion 105, a limiting hole 604 matched with the limiting slide rod 602 is disposed on the frame 103, the limiting slide rod 602 passes through the limiting hole 604 and extends into the frame 103, and the end of the limiting slide rod 602 extending into the frame 103 is bent to form a bending portion 603.
In this embodiment, the extension 105 and the limiting slide rod 602 are matched, so that the cover plate 104 is prevented from falling off from the frame 103 in the opening process, and the safety and the practicability of the cover plate type protection system for the foundation pit with the detection function are improved.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a apron formula protection system for foundation ditch with detect function which characterized in that: the foundation pit opening and closing device comprises a base plate (101), wherein an opening (102) matched with a foundation pit is formed in the base plate (101), a frame (103) above the opening (102) is arranged on the base plate (101), a cover plate (104) used for plugging the opening (102) is oppositely arranged on the frame (103), and a first moving mechanism used for controlling the cover plate (104) to be opened and closed is further arranged on the frame (103); a groove (201) is formed in the cover plate (104), a first conductive plate (202) is arranged in the groove (201), a conductive column (203) is arranged on the first conductive plate (202), a second conductive plate (204) is arranged above the conductive column (203), a first spring (205) used for abutting against the second conductive plate (204) and separating from the conductive column (203) is arranged on the first conductive plate (202), and a first insulating plate (206) is arranged on the second conductive plate (204); a friction plate (302) is arranged below the cover plate (104), a rack (303) is arranged below the friction plate (302), a limiting slide rail (304) matched with the rack (303) is arranged on the cover plate (104) along the length direction, and a first gear (601) meshed with the rack (303) is arranged on the first moving mechanism; a telescopic mechanism used for controlling the friction plate (302) to move up and down and further controlling the friction force between the friction plate (302) and the rack (303) is arranged between the friction plate (302) and the cover plate (104), and a first motor (301) used for controlling the telescopic mechanism is arranged on the lower end face of the cover plate (104); the cover plate (104) forms a closed loop with the first conductive plate (202), the second conductive plate (203), the conductive column (204) and the first motor (301) after being pressed.
2. The cover plate type protection system with the detection function for the foundation pit as claimed in claim 1, wherein: first moving mechanism is including establishing first pivot (401) and second pivot (402) that are used for installing first gear (601) on frame (103), be connected with second motor (403) on first pivot (401), still be equipped with installation axle (404) on the frame (103), be equipped with between installation axle (404) and first pivot (401) and be used for driven first drive belt (405), install epaxial (404) be equipped with installation axle (404) coaxial rotation's second gear (407), be equipped with on second pivot (402) with third gear (406) of second gear (407) meshing.
3. The cover plate type protection system with the detection function for the foundation pit is characterized in that the telescopic mechanism comprises a second spring (310) used for connecting the friction plate (302) and the bottom of the cover plate (104), the telescopic mechanism further comprises a driving shaft (305) driven by a first motor (301), and driven shafts (306) in gear connection with the driving shaft (305) are arranged on two sides of the driving shaft (305); the friction plate (302) is provided with a plurality of connecting blocks (307), the cover plate (104) is provided with a frame body (308) used for limiting the connecting blocks (307), the connecting blocks (307) are uniformly distributed on two sides of the driving shaft (305), and the two driven shafts (306) are provided with connecting pieces (309) used for driving the connecting blocks (307) to move.
4. The cover plate type protection system with the detection function for the foundation pit as claimed in claim 3, wherein: be provided with first through-hole (503) along apron (104) length direction on framework (308), connecting piece (309) that connecting piece (307) were equipped with second through-hole (504) along apron (104) length direction, connecting piece (309) including two first connecting plate (501) that set up in framework (308) both sides, use second connecting plate (502) to connect between two first connecting plate (501), first through-hole (503) and second through-hole (504) are passed in second connecting plate (502).
5. The cover plate type protection system with the detection function for the foundation pit as claimed in claim 1, wherein: the end part of the cover plate (104) far away from the frame (103) extends downwards to form an extension part (105), a limiting sliding rod (602) is arranged on the extension part (105), a limiting hole (604) matched with the limiting sliding rod (602) is formed in the frame (103), the limiting sliding rod (602) penetrates through the limiting hole (604) and extends into the frame (103), and the end part of the limiting sliding rod (602) extending into the frame (103) is bent to form a bending part (603).
6. The cover plate type protection system with the detection function for the foundation pit as claimed in claim 1, wherein: the first spring (203) is sleeved outside the conductive column (203), and the conductive column (203) is provided with a plurality of first conductive plates (202) which are uniformly distributed.
7. The cover plate type protection system with the detection function for the foundation pit as claimed in claim 6, wherein: the first spring (205) is made of an insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111028770.3A CN113737860B (en) | 2021-09-02 | 2021-09-02 | Cover plate type protection system with detection function for foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111028770.3A CN113737860B (en) | 2021-09-02 | 2021-09-02 | Cover plate type protection system with detection function for foundation pit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113737860A true CN113737860A (en) | 2021-12-03 |
| CN113737860B CN113737860B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111028770.3A Active CN113737860B (en) | 2021-09-02 | 2021-09-02 | Cover plate type protection system with detection function for foundation pit |
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| Country | Link |
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| CN (1) | CN113737860B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673168A (en) * | 2022-05-05 | 2022-06-28 | 温州神光建设工程有限公司 | Foundation pit maintenance device for house building and construction method thereof |
| CN115162799A (en) * | 2022-07-07 | 2022-10-11 | 北京铁道工程机电技术研究所股份有限公司 | Pit cover plate device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070105089A (en) * | 2006-04-25 | 2007-10-30 | 주식회사 성지기공 | A stainless water tank |
| CN211080505U (en) * | 2019-07-19 | 2020-07-24 | 山东华宇工学院 | Automatic drainage type sewer well lid |
-
2021
- 2021-09-02 CN CN202111028770.3A patent/CN113737860B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070105089A (en) * | 2006-04-25 | 2007-10-30 | 주식회사 성지기공 | A stainless water tank |
| CN211080505U (en) * | 2019-07-19 | 2020-07-24 | 山东华宇工学院 | Automatic drainage type sewer well lid |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673168A (en) * | 2022-05-05 | 2022-06-28 | 温州神光建设工程有限公司 | Foundation pit maintenance device for house building and construction method thereof |
| CN115162799A (en) * | 2022-07-07 | 2022-10-11 | 北京铁道工程机电技术研究所股份有限公司 | Pit cover plate device |
| CN115162799B (en) * | 2022-07-07 | 2024-04-12 | 北京铁道工程机电技术研究所股份有限公司 | Pit cover plate device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113737860B (en) | 2022-10-11 |
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