CN115059085B - Foundation pit anti-falling device - Google Patents
Foundation pit anti-falling device Download PDFInfo
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- CN115059085B CN115059085B CN202210651857.4A CN202210651857A CN115059085B CN 115059085 B CN115059085 B CN 115059085B CN 202210651857 A CN202210651857 A CN 202210651857A CN 115059085 B CN115059085 B CN 115059085B
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- bearing
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- net
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- rod
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- Mining & Mineral Resources (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a foundation pit anti-falling device, which comprises a supporting net, wherein the supporting net is provided with a combined fastening mechanism, the combined fastening mechanism comprises a bearing ring which is annularly arranged at the outer edge of the supporting net, an adjustable bearing rod is arranged below the bearing ring, the supporting net is connected with the adjustable bearing rod, a traction rope is arranged on the supporting net, and the length of the adjustable bearing rod can be adjusted through the traction rope when the supporting net is deformed in a bearing way. The combined fastening mechanism realizes the effective utilization of the pressure on the bearing net through the cooperation of the bearing ring and the bearing stem, the tension force of the traction rope is utilized to increase the pressure of the adjustable bearing rod to the mounting point, the purpose that the device is more stable when the pressure is larger is realized, the safety of the foundation pit anti-falling device is greatly improved, the safety guarantee degree of staff nearby the foundation pit is improved, the device has a simple structure and high stability, and the device is convenient to assemble and disassemble and is suitable for being applied to various complex terrains.
Description
Technical Field
The invention relates to the technical field of municipal engineering, in particular to a foundation pit anti-falling device.
Background
The foundation pit is a soil pit excavated at a foundation design position according to the elevation of the substrate and the plane size of the foundation. Before excavation, the excavation scheme is determined according to geological hydrologic data and the conditions of buildings nearby the site, and waterproof and drainage works are performed. The method of releasing the slope can be used by the person with non-deep excavation to stabilize the soil slope, and the slope size is determined according to relevant construction regulations; the foundation pit is supported by a foundation pit wall supporting method and a shotcrete wall protecting method even by adopting methods such as underground continuous walls, column type bored piles and the like, wherein the foundation pit supporting is a supporting, reinforcing and protecting measure adopted for the side wall and the surrounding environment of the foundation pit in order to ensure the safety of underground structure construction and the surrounding environment of the foundation pit.
The width of the existing auxiliary supporting structure for the foundation pit is fixed, the width of the municipal road foundation pit is different due to different environments, so that foundation pits with different widths are required, different safety protection devices are needed, the application range is poor, the production cost of equipment is increased, the partition plates on the existing auxiliary supporting structure for the foundation pit are welded on supporting piles, and when the partition plates are damaged, the maintenance is difficult; in addition, the existing foundation pit protection device is complex in structure and cannot be quickly assembled and disassembled, and the service efficiency is affected.
For example, an enclosure device for a deep foundation pit disclosed in chinese patent literature, its bulletin number "CN213773387U" includes a first handrail, a second handrail and a bracing piece, fixedly connected with a plurality of pull rods on the outer wall of first handrail, a plurality of the bottom of pull rod all with the outer wall fixed connection of second handrail, fixedly connected with a plurality of guard bars on the outer wall of second handrail, a plurality of the bottom of guard bars all with the top fixed connection of bracing piece, the bottom left side and the bottom right side of bracing piece all fixedly connected with foot pole, two the one end fixedly connected with first lacing wire that is close to each other of foot pole, the rear end fixedly connected with sill bar of foot pole, two the one end fixedly connected with second lacing wire that is close to each other of sill bar, the rear end hinge of foot pole has the net installation pole of protecting.
The scheme has the anti-falling function, the bottom rod support and the anti-toppling performance, but still has the problems of complex structure, poor application range and the like.
Disclosure of Invention
Aiming at the problems of complex structure, high manufacturing cost, inconvenient carrying and the like of a foundation pit anti-falling device in the prior art, the invention provides the foundation pit anti-falling device, the fastening degree of a bracket component and a foundation pit is changed by utilizing the deformation quantity of a bearing net through a combined fastening mechanism, so that the safety guarantee degree of workers nearby the foundation pit is improved.
The second invention aims to solve the problem that horizontal displacement can be generated due to limited gripping force of the foundation pit anti-falling device when the foundation pit anti-falling device is used on a wet ground.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a foundation ditch anti-falling device, includes the bearing net, be provided with combination formula fastening mechanism on the bearing net, combination formula fastening mechanism is including the load ring that the bearing net outer fringe was located to the ring, the load ring below is provided with adjustable load rod, the bearing net is connected with adjustable load rod and is provided with the tractive rope, the length of adjustable load rod is adjusted to accessible tractive rope when the bearing net bearing warp. The combined fastening mechanism realizes effective utilization of pressure on the bearing net through the cooperation of the bearing ring and the bearing stem, and the tension force of the traction rope is utilized to increase the pressure of the adjustable bearing rod to the mounting point, so that the purpose that the device is more stable when the pressure is larger is realized, and the safety of the foundation pit anti-falling device is greatly improved.
Preferably, the adjustable bearing rod comprises a middle rod and movable rods arranged at two ends of the middle rod, and one end of the traction rope is connected with one end of the movable rod, which is close to the middle rod; the outer edge of the supporting net is embedded in the bearing ring, and the other end of the traction rope penetrates through the bearing ring and is connected with the outer edge of the supporting net. The movable rod is characterized in that the middle rod is a main rod of the adjustable bearing rod, two ends of the middle rod are movably inserted with movable rods, after the bearing net is deformed under stress, the traction rope is tensioned along with deformation of the bearing net, the tensioning force is transmitted to the tail of the movable rod through the traction rope, the movable rod is enabled to obtain a pulling force far away from the middle rod, at the moment, the pressure of the head of the movable rod on the side wall of the foundation pit is increased, and the head of the movable rod is designed to be a tip, so that the pressure of the movable rod on the side wall of the foundation pit is obviously improved, and the adjustable bearing rod is stably inserted and fixed on the side wall of the foundation pit, so that the anti-falling protection function is achieved.
Preferably, the movable rod is inserted and connected with the middle rod, a limiting groove is formed in the movable rod along the axial direction, mounting holes are formed in two ends of the middle rod, limiting columns are arranged on the side walls of the mounting holes, a limiting groove is formed in the movable rod along the axial direction, and the limiting columns are in sliding connection with the limiting groove. The movable rod can slide in the middle rod, and correspondingly, the limit posts arranged in the mounting holes of the middle rod also slide in the limit grooves of the movable rod, and as the movable rod cannot move radially in the middle rod, the limit grooves of the key groove structure are matched with the limit posts, so that the situation that the adjustable force-bearing rod is invalid in positioning due to the fact that the movable rod is pulled out of the middle rod can be avoided.
Preferably, the limit grooves are distributed in a spiral line in the axial direction of the movable rod, and a plugging tip is arranged at one end of the movable rod, which is far away from the middle rod. The limiting groove is of a spiral structure, when the tail end of the movable rod moves outwards in tension, the position of the middle rod and the position of the limiting column in the middle rod are kept unchanged, the limiting column can slide in the limiting groove, so that the movable rod can generate torsion motion in the outwards moving process of the stress, the torsion state of the movable rod corresponds to the spiral track of the limiting groove, the inserting tip enters the side wall of the foundation pit in a rotating mode, compared with the inserting of the inserting tip in a straight plug mode, the inserting tip can be easier to drain soil on the side wall of the foundation pit in a twisting mode, meanwhile, under the same condition, the dynamic friction force is smaller than the static friction force, and the inserting tip can enter the side wall of the foundation pit more easily under the action of the spiral limiting groove and is fixed.
Further, the center of the back of the supporting net is provided with a centralizing ring, the traction rope is connected with the centralizing ring, the bottom of the supporting ring is provided with a wiring groove, and the traction rope penetrates through the wiring groove from the end part of the telescopic ring and then is connected with the centralizing ring. The centralized ring is used for being connected with the traction rope, and the setting position of the centralized ring is the point with the greatest longitudinal displacement of the bearing net after being pressed, so that the centralized ring arranged at the back center of the bearing net can convert the pressed state into the pulling force of the traction rope to the greatest extent, and the movable rod is driven to be fixed.
Preferably, the outer edge of the bearing ring is provided with a plurality of wall climbing parts, each wall climbing part is of a Z-shaped structure and comprises a main body hinged to the bearing ring, the upper end of the main body is provided with a wall climbing part, the lower end of the main body is provided with a connecting part, each wall climbing part comprises at least two layers of nail plates extending away from the direction of the bearing ring, and the connecting part is connected with a bearing net at the inner side of the bearing ring. The wall climbing piece is used for fixing the upper side and the lower side of the supporting ring, when the supporting net is pressed, the connecting part of the wall climbing piece is pulled to move towards the inner side direction of the supporting ring, the main body hinged to the supporting ring is turned outwards, the nail plate in the main body is tilted outwards, the wall climbing piece can climb the ground to be fixed, the wall climbing piece has good grabbing force on wet and slippery ground and muddy road surfaces, and potential safety hazards caused by the deviation of the supporting ring due to the lateral movement of the foundation pit falling prevention device are avoided.
Preferably, a buffer pad is arranged between the adjustable bearing rod and the bearing ring, and the buffer pad is arranged at one end of the collecting ring far away from the bearing net. The buffer pad is used for setting up the protective layer between bearing net and force-bearing rod, avoids organism or human body to fall into behind the bearing net and produce hard collision with force-bearing rod and lead to the damage, the buffer pad adopts flexible material such as foam or rubber generally, accomplishes buffer protection through elasticity.
Preferably, the adjustable bearing rod comprises a plurality of supporting rods which are divergently arranged from the center to the periphery, each supporting rod is provided with a movable rod in an inserted mode, and the center of the adjustable bearing rod is arranged below the collecting ring. The adjustable bearing rod is arranged to be of a radial structure, so that the support to the bearing ring can be completed better, more uniform lateral force can be generated on the side wall of the foundation pit, the fastening effect of the combined fastening mechanism is more stable, and the safety performance is more excellent.
Further, the outer edge of the bearing net is fixedly connected with the bearing ring. The outer edge support ring of bearing net fixed connection can adopt the mode of wiring or gomphosis connection to accomplish fixedly, avoids bearing net to receive huge impulsive force and breaks away from the condition appearance of support ring, further promotes combined fastening mechanism's job stabilization nature.
Therefore, the invention has the following beneficial effects: (1) The combined fastening mechanism realizes effective utilization of pressure on the bearing net through the cooperation of the bearing ring and the bearing stem, the tension force of the traction rope is utilized to increase the pressure of the adjustable bearing rod to the mounting point, the purpose that the device is more stable when the pressure is larger is realized, the safety of the foundation pit anti-falling device is greatly improved, the safety guarantee degree of staff nearby the foundation pit is improved, and the device has a simple structure and strong stability, is convenient to assemble and disassemble, and is suitable for being applied to various complex terrains; (2) The limit groove of the key groove structure is matched with the limit post, so that the situation that the adjustable force-bearing rod is positioned to be invalid due to the fact that the movable rod is pulled out of the middle rod can be avoided; (3) The movable rod can generate spiral torsion movement in the process of outwards moving under the force, and the plugging tip can enter the side wall of the foundation pit more easily under the action of the spiral limiting groove to complete fixation; (4) The wall climbing piece has better ground grabbing force on wet and slippery ground and muddy road surfaces, and potential safety hazards caused by deviation of a bearing ring due to lateral movement when the foundation pit anti-falling device is pressed are avoided.
Drawings
Fig. 1 is a side cross-sectional view of the present invention.
Fig. 2 is a side sectional view of the present invention in example 2.
Fig. 3 is a side sectional view of the present invention in example 3.
Fig. 4 is a partial enlarged view at a in fig. 3.
Fig. 5 is a structural diagram of an adjustable bearing bar in embodiment 4.
In the figure: 100. the combined type fastening mechanism comprises 200, a weight, 1, a supporting net, 11, a concentrated ring, 12, a wiring groove, 2, a bearing ring, 3, an adjustable bearing rod, 31, a middle rod, 311, a mounting hole, 312, a limit column, 32, a movable rod, 33, a plug-in tip, 34, a supporting rod, 4, a traction rope, 5, a limit groove, 6, a wall climbing piece, 61, a main body, 62, a wall climbing part, 63, a connecting part, 64, a nail plate, 7 and a buffer cushion.
Detailed Description
The invention is further described below with reference to the drawings and detailed description. Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality.
Example 1
As shown in fig. 1 and 2, the foundation pit anti-falling device comprises a supporting net 1, wherein a combined fastening mechanism 100 is arranged on the supporting net 1, the combined fastening mechanism 100 comprises a bearing ring 2 which is annularly arranged on the outer edge of the supporting net 1, an adjustable bearing rod 3 is arranged below the bearing ring 2, the supporting net is connected with the adjustable bearing rod 3 and provided with a traction rope 4, and the length of the adjustable bearing rod 3 can be adjusted through the traction rope 4 when the supporting net is deformed in a bearing manner. The adjustable bearing rod 3 comprises a middle rod 31 and movable rods 32 arranged at two ends of the middle rod 31, and one end of the traction rope 4 is connected to one end of the movable rods 32 close to the middle rod 31; the outer edge of the supporting net 1 is embedded in the bearing ring 2, and the other end of the traction rope 4 penetrates through the bearing ring 2 and is connected with the outer edge of the supporting net 1. The movable rod 32 is inserted and connected with the middle rod 31, a limit groove 5 is formed in the movable rod 32 along the axial direction, mounting holes 311 are formed in two ends of the middle rod 31, limit posts 312 are arranged on the side walls of the mounting holes 311, a limit groove 5 is formed in the movable rod 32 along the axial direction, and the limit posts 312 are slidably connected with the limit groove 5.
The combined fastening mechanism 100 realizes the effective utilization of the pressure on the supporting net 1 through the cooperation of the supporting ring and the supporting stem, and the tension force of the traction rope 4 is utilized to increase the pressure of the adjustable bearing rod 3 to the mounting point, so that the purpose that the greater the pressure is, the more stable the device is realized, and the safety of the foundation pit anti-falling device is greatly improved. The middle rod 31 is a main rod of the adjustable bearing rod 3, two ends of the middle rod 31 are movably inserted with movable rods 32, when the bearing net 1 is deformed under stress, the traction ropes 4 are tensioned along with deformation of the bearing net, the tensioning force is transferred to the tail parts of the movable rods 32 through the traction ropes 4, the movable rods 32 obtain pulling force far away from the middle rod 31, at the moment, the pressure of the head part of the movable rods 32 on the side wall of a foundation pit is increased, and the pressure of the head part of the movable rods 32 on the side wall of the foundation pit is remarkably improved due to the design of the pointed end, so that the adjustable bearing rod 3 is stably inserted and fixed on the side wall of the foundation pit, and the anti-falling protection function is achieved. The movable rod 32 can slide in the middle rod 31, and correspondingly, the limit post 312 arranged in the mounting hole 311 of the middle rod 31 also slides in the limit groove 5 of the movable rod 32, and as the movable rod 32 does not move radially in the middle rod 31, the limit groove 5 with a key slot structure is matched with the limit post 312, so that the situation that the adjustable force bearing rod 3 fails in positioning due to the fact that the movable rod 32 is pulled out of the middle rod 31 can be avoided.
In this embodiment, the center of the back of the supporting net 1 is provided with a collecting ring 11, the traction rope 4 is connected with the collecting ring 11, the bottom of the supporting ring is provided with a wiring groove 12, and the traction rope 4 passes through the wiring groove 12 from the end of the telescopic ring and then is connected with the collecting ring 11. When the supporting net 1 receives the falling impact of the heavy object 200, as the centralized ring 11 is used for connecting the traction rope 4, and the setting position of the centralized ring 11 is the point with the greatest longitudinal displacement after the supporting net 1 is pressed, the deformation of the pressed supporting net 1 can be transferred to the stretching length of the traction rope 4 to the greatest extent through the centralized ring 11 arranged in the center of the back of the supporting net 1, so that the gravity is converted into the pulling force of the traction rope 4, the movable rod 32 is driven in the direction away from the middle rod 31, the gravity is utilized for assisting the fastening of the bearing rod, and the foundation pit anti-falling device can carry out anti-falling protection on human bodies or valuable equipment. In addition, a buffer cushion 7 is arranged between the adjustable bearing rod 3 and the bearing ring 2, and the buffer cushion 7 is arranged at one end of the collecting ring 11 far away from the bearing net 1. The buffer pad 7 is used for setting up the protective layer between the supporting net 1 and the bearing rod, avoiding the organism or human body to fall into behind the supporting net 1 and produce hard collision with the bearing rod and lead to the damage, in this embodiment the buffer pad 7 adopts rubber to make, accomplishes the buffer protection through elasticity. The outer edge of the bearing net 1 is fixedly connected with the bearing ring. The outer edge support ring of the support net 1 is fixedly connected, the fixation is completed in a winding connection mode, the condition that the support net 1 is separated from the support ring due to huge impact force is avoided, and the working stability of the combined fastening mechanism 100 is further improved.
Example 2
As shown in fig. 2, unlike in embodiment 1, in this embodiment, the limit grooves 5 are spirally distributed in the axial direction of the movable rod 32, and the end of the movable rod 32 away from the middle rod 31 is provided with a plugging tip 33. The limit groove 5 is in a spiral structure, when the tail end of the movable rod 32 is pulled to move outwards, the position of the middle rod 31 and the position of the limit post 312 inside the middle rod are kept unchanged, and the limit post 312 can slide in the limit groove 5, so that the movable rod 32 can generate torsion movement in the process of being forced to move outwards, the torsion state of the movable rod corresponds to the spiral track of the limit groove 5, the inserting tip 33 enters the side wall of the foundation pit in a rotating mode, compared with the straight plug type insertion, the inserting tip 33 can be more easily discharged out of soil on the side wall of the foundation pit in a torsion entering mode, and meanwhile under the same condition, the dynamic friction force is smaller than the static friction force, so that the inserting tip 33 can enter the side wall of the foundation pit more easily under the action of the spiral limit groove 5 and is fixed.
Example 3
As shown in fig. 3 and 4, unlike embodiment 1, in this embodiment, four wall climbing members 6 are uniformly disposed on the outer edge of the load-bearing ring 2 along the circumferential direction, the wall climbing members 6 are in a zigzag structure, and include a main body 61 hinged to the load-bearing ring 2, a wall climbing portion 62 is disposed at the upper end of the main body 61, a connecting portion 63 is disposed at the lower end of the main body 61, the wall climbing portion 62 includes at least two layers of nail plates 64 extending in a direction away from the load-bearing ring 2, and the connecting portion 63 connects with the support net 1 inside the load-bearing ring 2. The wall climbing piece 6 is used for fixing the upper side and the lower side of the supporting ring, when the supporting net 1 is pressed, the connecting part 63 of the wall climbing piece 6 is pulled to move towards the inner side direction of the supporting ring, the main body 61 hinged to the supporting ring is turned outwards, the nail plate 64 on the main body 61 is tilted outwards, the ground can be fixed by climbing, the wall climbing piece 6 has better grabbing force on wet and slippery ground and muddy road, and potential safety hazards caused by the deviation of the supporting ring 2 due to the lateral movement of the foundation pit anti-falling device are avoided.
Example 4
As shown in fig. 5, unlike embodiment 1, in this embodiment, the adjustable bearing rod 3 includes a plurality of rods 34 divergently disposed from the center to the periphery, each rod 34 is provided with a movable rod 32 in an inserted manner, and the center of the adjustable bearing rod 3 is disposed below the central ring 11. The adjustable bearing rod 3 is arranged to be of a radial structure, so that the support of the bearing ring can be completed better, more uniform lateral force can be generated on the side wall of the foundation pit, the fastening effect of the combined fastening mechanism 100 is more stable, and the safety performance is more excellent.
In addition to the above embodiments, the technical features of the present invention may be rearranged and combined within the scope of the claims and the disclosure of the present invention to form new embodiments, which may be realized by those skilled in the art without inventive effort, and thus, embodiments of the present invention not described in detail should be considered as embodiments of the present invention within the scope of the protection of the present invention.
Claims (9)
1. The utility model provides a foundation ditch anti-falling device, its characterized in that, includes the bearing net, be provided with combination formula fastening mechanism on the bearing net, combination formula fastening mechanism is including the load-carrying ring that the ring was located the bearing net outer fringe, the load-carrying ring below is provided with adjustable load-carrying bar, the bearing net is connected with adjustable load-carrying bar and is provided with the tractive rope, the length of adjustable load-carrying bar is adjusted through the tractive rope when the bearing net bearing warp.
2. The foundation pit anti-falling device according to claim 1, wherein the adjustable bearing rod comprises a middle rod and movable rods arranged at two ends of the middle rod, and one end of each traction rope is connected to one end of each movable rod close to the middle rod; the outer edge of the supporting net is embedded in the bearing ring, and the other end of the traction rope penetrates through the bearing ring and is connected with the outer edge of the supporting net.
3. The foundation pit anti-falling device according to claim 2, wherein the movable rod is inserted and connected with the middle rod, a limiting groove is formed in the movable rod along the axial direction, mounting holes are formed in two ends of the middle rod, limiting columns are arranged on the side walls of the mounting holes, a limiting groove is formed in the movable rod along the axial direction, and the limiting columns are slidably connected with the limiting groove.
4. A foundation pit anti-falling device according to claim 3, wherein the limit grooves are distributed in a spiral line in the axial direction of the movable rod, and a plugging tip is arranged at one end of the movable rod away from the middle rod.
5. The foundation pit anti-falling device according to claim 2, wherein the center of the back of the supporting net is provided with a centralizing ring, the traction rope is connected with the centralizing ring, the bottom of the supporting ring is provided with a wiring groove, and the traction rope penetrates through the wiring groove from the end part of the telescopic ring and then is connected with the centralizing ring.
6. The foundation pit fall protection device of claim 5, wherein a cushion pad is arranged between the adjustable bearing rod and the bearing ring, and the cushion pad is arranged at one end of the collecting ring far away from the bearing net.
7. The foundation pit anti-falling device according to any one of claims 1 to 6, wherein a plurality of wall climbing members are arranged on the outer edge of the bearing ring, the wall climbing members are of a Z-shaped structure and comprise a main body hinged to the bearing ring, a wall climbing part is arranged at the upper end of the main body, a connecting part is arranged at the lower end of the main body, the wall climbing part comprises at least two layers of nail plates extending away from the bearing ring, and the connecting part is connected with a bearing net at the inner side of the bearing ring.
8. The foundation pit fall protection device according to any one of claims 1 to 6, wherein the adjustable bearing rods comprise a plurality of struts divergently arranged from the center to the periphery, movable rods are inserted and combined on the struts, and the center of the adjustable bearing rods is arranged below the centralizing ring.
9. The foundation pit fall protection device of claim 1, wherein the support net is an elastic member, and the outer edge of the support net is fixedly connected with the support ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210651857.4A CN115059085B (en) | 2022-06-09 | 2022-06-09 | Foundation pit anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210651857.4A CN115059085B (en) | 2022-06-09 | 2022-06-09 | Foundation pit anti-falling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115059085A CN115059085A (en) | 2022-09-16 |
| CN115059085B true CN115059085B (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210651857.4A Active CN115059085B (en) | 2022-06-09 | 2022-06-09 | Foundation pit anti-falling device |
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| Country | Link |
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| CN (1) | CN115059085B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243495Y (en) * | 1995-10-13 | 1996-12-25 | 张自力 | Integral lifting anti-falling scaffold device |
| JP2002188165A (en) * | 2000-12-22 | 2002-07-05 | Nippon Chutetsukan Kk | Ladder with drop preventive net for underground buried structure |
| CN208380132U (en) * | 2018-06-25 | 2019-01-15 | 成都惟尚建筑设计有限公司 | A kind of anti-drop net |
| CN110821196A (en) * | 2019-12-02 | 2020-02-21 | 赵志刚 | Safety device of construction elevartor shaft |
| CN113481877A (en) * | 2021-06-04 | 2021-10-08 | 中交一公局桥隧工程有限公司 | Hang and water case roof beam construction debris anti falling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150211247A1 (en) * | 2014-01-24 | 2015-07-30 | Henry Gembala | Construction safety screen system |
-
2022
- 2022-06-09 CN CN202210651857.4A patent/CN115059085B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243495Y (en) * | 1995-10-13 | 1996-12-25 | 张自力 | Integral lifting anti-falling scaffold device |
| JP2002188165A (en) * | 2000-12-22 | 2002-07-05 | Nippon Chutetsukan Kk | Ladder with drop preventive net for underground buried structure |
| CN208380132U (en) * | 2018-06-25 | 2019-01-15 | 成都惟尚建筑设计有限公司 | A kind of anti-drop net |
| CN110821196A (en) * | 2019-12-02 | 2020-02-21 | 赵志刚 | Safety device of construction elevartor shaft |
| CN113481877A (en) * | 2021-06-04 | 2021-10-08 | 中交一公局桥隧工程有限公司 | Hang and water case roof beam construction debris anti falling device |
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| Publication number | Publication date |
|---|---|
| CN115059085A (en) | 2022-09-16 |
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