CN115059085A - Anti-falling device for foundation pit - Google Patents
Anti-falling device for foundation pit Download PDFInfo
- Publication number
- CN115059085A CN115059085A CN202210651857.4A CN202210651857A CN115059085A CN 115059085 A CN115059085 A CN 115059085A CN 202210651857 A CN202210651857 A CN 202210651857A CN 115059085 A CN115059085 A CN 115059085A
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- bearing
- ring
- rod
- net
- foundation pit
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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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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a foundation pit anti-falling device which comprises a bearing net, wherein a combined fastening mechanism is arranged on the bearing net, the combined fastening mechanism comprises a bearing ring annularly arranged at the outer edge of the bearing net, an adjustable bearing rod is arranged below the bearing ring, the bearing net is connected with the adjustable bearing rod and is provided with a pulling rope, and the length of the adjustable bearing rod can be adjusted through the pulling rope when the bearing net is in bearing deformation. The combination formula fastening device realizes the effective utilization of pressure on the bearing net through the cooperation that bearing ring and bearing are dry, utilizes the tensile force increase adjustable load pole of tractive rope to the pressure of mounting point, realizes that pressure is the more stable purpose of device more greatly, greatly promotes foundation ditch anti-falling device's security to promote near foundation ditch staff's safety guarantee degree, this device simple structure and stability are strong, make things convenient for the dismouting, are fit for being applied to all kinds of complicated topography.
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 the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed. The persons with low excavation depth can use a method of placing a side slope to stabilize the soil slope, and the gradient size of the soil slope is determined according to relevant construction regulations; when a building is excavated deeply and nearby, a foundation pit wall supporting method, a concrete-sprayed wall protecting method and a large foundation pit are used, even an underground continuous wall and a column-type bored pile are used for interlocking, wherein the foundation pit supporting is a retaining, reinforcing and protecting measure for the side wall and the surrounding environment of the foundation pit in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit.
The width of the conventional auxiliary supporting structure for the foundation pit is fixed, so that the width of the foundation pit of the municipal road is different due to different environments, the foundation pits with different widths are required to be provided with different safety protection devices, the application range is poor, the production cost of equipment is increased, the partition plates on the conventional auxiliary supporting structure for the foundation pit are welded on supporting piles, and the maintenance is difficult when the partition plates are damaged; in addition, the current foundation pit protection device cannot be quickly disassembled and assembled while having a complex structure, so that the use efficiency is influenced.
For example, an enclosure device for a deep foundation pit disclosed in chinese patent literature has a publication number "CN 213773387U", and includes a first handrail, a second handrail, and a support rod, where the outer wall of the first handrail is fixedly connected with a plurality of pull rods, the bottom ends of the plurality of pull rods are all fixedly connected with the outer wall of the second handrail, the outer wall of the second handrail is fixedly connected with a plurality of guard bars, the bottom ends of the plurality of guard bars are all fixedly connected with the top end of the support rod, the left side of the bottom end and the right side of the bottom end of the support rod are both fixedly connected with foot rods, the ends of the two foot rods close to each other are fixedly connected with a first tie bar, the rear ends of the foot rods are fixedly connected with bottom rods, the ends of the two bottom rods close to each other are fixedly connected with a second tie bar, and the rear ends of the foot rods are hinged with a protection net mounting rod.
Above-mentioned scheme has the function of preventing falling, possesses the sill bar simultaneously and supports, and it is better to prevent empting the nature, still has the problem such as structure complicacy, application scope are poor.
Disclosure of Invention
Aiming at the problems of complex structure, high manufacturing cost, inconvenience in carrying and the like of the foundation pit anti-falling device in the prior art, the invention provides the foundation pit anti-falling device.
The second invention aims to solve the problem that the ground gripping force of the foundation pit anti-falling device is limited when the foundation pit anti-falling device is used on a slippery ground, and horizontal plane displacement can be generated.
In order to achieve the purpose, the 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 device on the bearing net, combination formula fastening device locates the bearing ring of bearing net outer fringe including the ring, bearing ring below is provided with adjustable load pole, the bearing net is connected with adjustable load pole and is provided with the tractive rope, the length of accessible tractive rope adjustment adjustable load pole when the bearing of bearing net warp. The combined type fastening mechanism realizes effective utilization of pressure on the bearing net through the matching of the bearing ring and the bearing, the tension of the traction rope is utilized to increase the pressure of the adjustable bearing rod on the mounting point, the purpose that the larger the pressure is, the more stable the device is realized, and therefore 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 pulling rope is connected to one end of each movable rod close to the middle rod; the outer edge of the bearing net is embedded in the bearing ring, and the other end of the pulling rope penetrates through the bearing ring and is connected with the outer edge of the bearing net. The king-rod that the king-rod is adjustable load pole, the activity of king-rod both ends is pegged graft and is had the movable rod, after bearing net atress warp, the tensioning of tractive rope along with its deformation, this kind of tensioning force is passed through the tractive rope and is transmitted to the movable rod afterbody, make the movable rod obtain the pulling force of keeping away from the king-rod, the pressure increase of movable rod head to the foundation ditch lateral wall this moment, because the movable rod head is most advanced design, consequently, its pressure to the foundation ditch lateral wall is showing and is promoted, thereby make adjustable load pole stably peg graft and close and fix on the foundation ditch lateral wall, play and prevent weighing down the guard action.
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 the two ends of the middle rod, a limiting column is arranged on the side wall of each mounting hole, a limiting groove is formed in the movable rod along the axial direction, and the limiting column is connected with the limiting groove in a sliding mode. The movable rod can slide in the middle rod, correspondingly, the limiting column arranged in the mounting hole of the middle rod also slides in the limiting groove of the movable rod, and the movable rod cannot move radially in the middle rod, so that the limiting groove of the key groove structure is matched with the limiting column, and the situation that the movable rod is pulled to be separated from the middle rod to cause positioning failure of the adjustable bearing rod can be avoided.
Preferably, the limiting grooves are distributed in a spiral line in the axial direction of the movable rod, and an insertion tip end is arranged at one end, far away from the middle rod, of the movable rod. The spacing groove is spiral structure, when the movable rod tail end is drawn and outwards moves, because well pole and inside spacing post position remain unchanged, and spacing post can slide in the spacing groove, consequently, the movable rod can produce torsional motion at the outside removal in-process of atress, its spiral orbit that the torsional state corresponds the spacing groove, this makes the grafting pointed end get into the foundation ditch lateral wall with rotatory mode, compare in straight stopper formula and insert, the mode of twisting the entering can make the grafting pointed end arrange the soil of foundation ditch lateral wall more easily, the kinetic friction power is less than the static friction power under the same circumstances of other conditions simultaneously, consequently, the grafting pointed end gets into the foundation ditch lateral wall more easily under spiral spacing groove's effect and accomplishes fixedly.
Furthermore, a centralized ring is arranged at the center of the back of the bearing net, the traction rope is connected with the centralized ring, a wiring groove is formed in the bottom of the bearing ring, and the traction rope penetrates through the wiring groove from the end part of the telescopic ring and then is connected with the centralized ring. The centralizing ring is used for connecting a traction rope, and the position of the centralizing ring is the point where the longitudinal displacement of the bearing net is maximum after the bearing net is pressed, so that the stressed state can be converted into the tension of the traction rope to the maximum extent through the centralizing ring arranged at the center of the back of the bearing net, and the movable rod is driven to fix.
Preferably, the bearing ring outer fringe is provided with a plurality of wall pieces of climbing, wall pieces of climbing are Z style of calligraphy structure, including articulating in the main part of bearing ring, the main part upper end is provided with wall portion of climbing, the main part lower extreme is provided with connecting portion, wall portion of climbing includes at least two layers to keeping away from the nail board that the bearing ring direction extends, connecting portion connect the bearing net in the bearing ring inboard. Climb the wall spare and be used for both sides fixed work about the bearing ring, when the bearing net pressurized, the connecting portion that climbs the wall spare are pulled and are removed to the inboard direction of bearing ring, articulate in the outside upset of the main part of bearing ring for the outside perk of nail board in the main part can climb the wall to ground and fix, climb the wall spare and possess better land fertility of grabbing to wet and slippery ground, muddy road surface, appear lateral shifting when avoiding foundation ditch anti-falling device pressurized and lead to the skew potential safety hazard of load ring appearance.
Preferably, a buffer cushion is arranged between the adjustable bearing rod and the bearing ring, and the buffer cushion is arranged at one end of the centralizing ring far away from the bearing net. The blotter is used for setting up the protective layer between bearing net and load pole, avoids organism or human body to fall into behind the bearing net and produce hard collision with the load pole and lead to the damage, the blotter generally adopts flexible material such as foam or rubber, accomplishes the buffering protection through elasticity.
Preferably, the adjustable bearing rod comprises a plurality of support rods which are divergently arranged from the center to the periphery, movable rods are inserted into the support rods, and the center of the adjustable bearing rod is arranged below the concentration ring. Bearing rod sets up to radiation structure with adjustable, can accomplish the support to the supporting ring better, especially can produce more even yawing force to the foundation ditch lateral wall for combined type fastening mechanism's fastening effect is more stable, makes the security performance outstanding more.
Furthermore, the outer edge of the bearing net is fixedly connected with the bearing ring. The outer edge bearing ring of the bearing net is fixedly connected, and can be fixed in a winding connection or embedding connection mode, so that the bearing net is prevented from being separated from the bearing ring due to huge impact force, and the working stability of the combined type fastening mechanism is further improved.
Therefore, the invention has the following beneficial effects: (1) the combined type fastening mechanism realizes effective utilization of pressure on the bearing net through the matching of the bearing ring and the bearing rod, the tension force of the traction rope is utilized to increase the pressure of the adjustable bearing rod on a mounting point, the purpose that the device is more stable when the pressure is higher is realized, and the safety of the foundation pit anti-falling device is greatly improved, so that the safety guarantee degree of workers near the foundation pit is improved; (2) the situation that the adjustable bearing rod is positioned and failed due to the fact that the movable rod is pulled to be separated from the middle rod can be avoided through the matching of the limiting groove of the key groove structure and the limiting column; (3) the movable rod can generate spiral torsional motion in the process of moving outwards under stress, and the splicing tip can more easily enter the side wall of the foundation pit and finish fixation under the action of the spiral limiting groove; (4) the wall climbing piece has good ground grabbing force for wet and slippery ground and muddy road surface, and potential safety hazards caused by deviation of the bearing ring due to transverse 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 partially enlarged view of a portion a in fig. 3.
Fig. 5 is a structural diagram of an adjustable carrier bar in embodiment 4.
In the figure: 100. combined fastening device, 200, heavy object, 1, bearing net, 11, concentration ring, 12, wiring groove, 2, bearing ring, 3, adjustable bearing rod, 31, middle rod, 311, mounting hole, 312, spacing post, 32, movable rod, 33, plug tip, 34, branch, 4, pulling rope, 5, spacing groove, 6, climbing wall piece, 61, main part, 62, climbing wall part, 63, connecting part, 64, nail board, 7, buffer pad.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout.
Example 1
As shown in fig. 1 and 2, the foundation pit anti-falling device comprises a bearing net 1, wherein a combined fastening mechanism 100 is arranged on the bearing net 1, the combined fastening mechanism 100 comprises a bearing ring 2 annularly arranged at the outer edge of the bearing net 1, an adjustable bearing rod 3 is arranged below the bearing ring 2, the bearing net is connected with the adjustable bearing rod 3 and is 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 bearing net is in bearing deformation. 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 pulling rope 4 is connected to one end of the movable rod 32 close to the middle rod 31; the outer edge of the bearing net 1 is embedded in the bearing ring 2, and the other end of the pulling rope 4 penetrates through the bearing ring 2 and is connected with the outer edge of the bearing net 1. The utility model discloses a portable electronic device, including movable rod 32, movable rod 32 is inserted and is closed connection king-rod 31, be provided with spacing groove 5 along the axial on the movable rod 32, king-rod 31 both ends all are provided with mounting hole 311, be provided with spacing post 312 on the lateral wall of mounting hole 311, be provided with spacing groove 5 along the axial direction on the movable rod 32, spacing post 312 and 5 sliding connection in spacing groove.
The combined type fastening mechanism 100 realizes effective utilization of pressure on the bearing net 1 through the matching of the bearing ring and the bearing, the tension of the traction rope 4 is utilized to increase the pressure of the adjustable bearing rod 3 on the mounting point, the purpose that the larger the pressure is, the more stable the device is realized, and therefore the safety of the foundation pit anti-falling device is greatly improved. The king-rod 31 is the mobile jib of adjustable load pole 3, king-rod 31 both ends activity is pegged graft and is had the movable rod 32, after bearing net 1 atress warp, pulling rope 4 is along with its deformation tensioning, this kind of tensile force passes through pulling rope 4 and transmits to the movable rod 32 afterbody, make the movable rod 32 obtain the pulling force of keeping away from king-rod 31, the pressure of movable rod 32 head to the foundation ditch lateral wall increases this moment, because the movable rod 32 head is most advanced design, consequently, it is showing the promotion to the pressure of foundation ditch lateral wall, thereby make adjustable load pole 3 stably peg graft and fix on the foundation ditch lateral wall, play and prevent weighing down the guard action. The movable rod 32 can slide in the middle rod 31, correspondingly, the limiting column 312 arranged in the mounting hole 311 of the middle rod 31 also slides in the limiting groove 5 of the movable rod 32, and the movable rod 32 cannot move radially in the middle rod 31, so that the limiting groove 5 of the key groove structure is matched with the limiting column 312, and the situation that the movable rod 32 is pulled to be separated from the middle rod 31 to cause positioning failure of the adjustable bearing rod 3 can be avoided.
In this embodiment, the center of the back of the supporting net 1 is provided with a centralized ring 11, the pulling rope 4 is connected with the centralized ring 11, the bottom of the supporting ring is provided with a wiring groove 12, and the pulling rope 4 penetrates through the wiring groove 12 from the end of the telescopic ring and then is connected with the centralized ring 11. When the bearing net 1 receives the impact of falling of the heavy object 200, because the centralized ring 11 is used for connecting the traction rope 4, and the setting position of the centralized ring 11 is the point where the longitudinal displacement is the largest after the bearing net 1 is pressed, therefore, the deformation quantity of the bearing net 1 after being pressed can be transmitted to the stretching length of the traction rope 4 through the centralized ring 11 arranged at the center of the back of the bearing net 1 to the maximum extent, thereby converting the gravity into the pulling force of the traction rope 4, thereby driving the movable rod 32 to the direction far away from the middle rod 31, and utilizing the gravity to assist the fastening of the bearing rod, so that the foundation pit anti-falling device can perform anti-falling protection on a human body or valuable equipment. In addition, a cushion pad 7 is arranged between the adjustable bearing rod 3 and the bearing ring 2, and the cushion pad 7 is arranged at one end of the centralizing ring 11 far away from the bearing net 1. Buffer 7 is used for setting up the protective layer between bearing net 1 and load pole, avoids organism or human body to fall into behind bearing net 1 and produce hard collision with the load pole and lead to the damage, in this embodiment buffer 7 adopts rubber to make, accomplishes buffer protection through elasticity. The outer edge of the bearing net 1 is fixedly connected with the bearing ring. The outer edge bearing ring of the bearing net 1 is fixedly connected and fixed in a winding connection mode, so that the bearing net 1 is prevented from being separated from the bearing ring due to huge impact force, and the working stability of the combined type fastening mechanism 100 is further improved.
Example 2
As shown in fig. 2, unlike embodiment 1, in this embodiment, the limiting grooves 5 are distributed in a spiral line 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 plug tip 33. The limiting groove 5 is of 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 internal limiting column 312 of the middle rod are kept unchanged, the limiting column 312 can slide in the limiting groove 5, so that the movable rod 32 can generate torsional motion in the stressed outwards moving process, the torsional state of the movable rod corresponds to the spiral track of the limiting groove 5, the inserting tip 33 can enter the side wall of the foundation pit in a rotating mode, compared with the straight plug type inserting mode, the inserting tip 33 can be more easily driven to open the soil on the side wall of the foundation pit by the torsional entering mode, and meanwhile, the dynamic friction force is smaller than the static friction force under the same other conditions, so that the inserting tip 33 can more easily enter the side wall of the foundation pit and can be fixed under the action of the spiral limiting groove 5.
Example 3
As shown in fig. 3 and 4, different from embodiment 1, in this embodiment, the outer edge of the force-bearing ring 2 is provided with four wall climbing members 6 uniformly arranged along the circumferential direction, each wall climbing member 6 is of a zigzag structure and includes a main body 61 hinged to the force-bearing ring 2, a wall climbing portion 62 is arranged at the upper end of the main body 61, a connecting portion 63 is arranged at the lower end of the main body 61, each wall climbing portion 62 includes at least two layers of nail plates 64 extending in the direction away from the force-bearing ring 2, and the connecting portion 63 is connected to the bearing net 1 inside the force-bearing ring 2. Climb wall spare 6 and be used for carrying out fixing work in both sides about the bearing ring, when bearing net 1 pressurized, the connecting portion 63 of climbing wall spare 6 is drawn and is removed to the inboard direction of bearing ring, articulate in the outside upset of main part 61 of bearing ring for the outside perk of nail board 64 on the main part 61 can climb the wall to ground and fix, climb wall spare 6 and possess better land fertility of grabbing to wet and slippery ground, muddy road surface, appear lateral shifting when avoiding foundation ditch anti-falling device pressurized and lead to bearing ring 2 skew appearance potential safety hazard.
Example 4
As shown in fig. 5, different from embodiment 1, in this embodiment, the adjustable force-bearing rod 3 includes a plurality of support rods 34 that are divergently arranged from the center to the periphery, each support rod 34 is inserted with a movable rod 32, and the center of the adjustable force-bearing rod 3 is arranged below the centering ring 11. Bearing rod 3 sets up to the radiation structure with adjustable, can accomplish the support to the bearing ring better, especially can produce more even lateral force to the foundation ditch lateral wall for combined type fastening mechanism 100's fastening effect is more stable, makes the security performance outstanding.
In addition to the above embodiments, the technical features of the present invention can be re-selected and combined to form new embodiments within the scope of the claims and the specification of the present invention, which are all realized by those skilled in the art without creative efforts, and thus, the embodiments of the present invention which are not described in detail should be regarded as the specific embodiments of the present invention and are within the protection scope 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 device on the bearing net, combination formula fastening device locates the bearing ring of bearing net outer fringe including the ring, bearing ring below is provided with adjustable load pole, the bearing net is connected with adjustable load pole and is provided with the tractive rope, the length of accessible tractive rope adjustment adjustable load pole when the bearing of bearing net 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 the pulling rope is connected to one end of each movable rod close to the middle rod; the outer edge of the bearing net is embedded in the bearing ring, and the other end of the pulling rope penetrates through the bearing ring and is connected with the outer edge of the bearing net.
3. The anti-falling device for the foundation pit as claimed in claim 2, wherein the movable rod is connected with a middle rod in an inserting manner, the movable rod is provided with a limit groove along the axial direction, both ends of the middle rod are provided with mounting holes, the side wall of each mounting hole is provided with a limit post, the movable rod is provided with a limit groove along the axial direction, and the limit post is connected with the limit groove in a sliding manner.
4. A foundation pit anti-falling device according to claim 3, wherein the limiting grooves are distributed in a spiral line in the axial direction of the movable rod, and an insertion tip is arranged at one end of the movable rod far away from the middle rod.
5. The foundation pit anti-falling device according to claim 2, wherein a centralizing ring is arranged at the center of the back of the supporting net, the traction rope is connected with the centralizing ring, a wiring groove is arranged at the bottom of the supporting ring, 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 anti-falling device according to claim 5, wherein a cushion is arranged between the adjustable bearing rod and the bearing ring, and the cushion is arranged at one end of the centralizing ring far away from the bearing net.
7. The foundation pit anti-falling device according to any one of claims 1 to 6, wherein the outer edge of the bearing ring is provided with a plurality of wall climbing members, the wall climbing members are Z-shaped structures and comprise main bodies hinged to the bearing ring, a wall climbing portion is arranged at the upper end of each main body, a connecting portion is arranged at the lower end of each main body, each wall climbing portion comprises at least two layers of nail plates extending in the direction away from the bearing ring, and the connecting portion is connected with a bearing net at the inner side of the bearing ring.
8. The anti-falling device for foundation pit according to any one of claims 1 to 6, wherein the adjustable force-bearing rod comprises a plurality of support rods which are divergently arranged from the center to the periphery, each support rod is inserted with a movable rod, and the center of the adjustable force-bearing rod is arranged below the centralizing ring.
9. The foundation pit anti-falling device according to claim 1, wherein the supporting net is an elastic member, and the outer edge of the supporting net is fixedly connected with the supporting 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 true CN115059085A (en) | 2022-09-16 |
| CN115059085B CN115059085B (en) | 2023-07-07 |
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ID=83200285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210651857.4A Active CN115059085B (en) | 2022-06-09 | 2022-06-09 | Foundation pit anti-falling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN115059085B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243495Y (en) * | 1995-10-13 | 1996-12-25 | 张自力 | Wholly lifting scaffold with safety device against falling-down |
| JP2002188165A (en) * | 2000-12-22 | 2002-07-05 | Nippon Chutetsukan Kk | Ladder with drop preventive net for underground buried structure |
| US20150211247A1 (en) * | 2014-01-24 | 2015-07-30 | Henry Gembala | Construction safety screen system |
| 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 |
-
2022
- 2022-06-09 CN CN202210651857.4A patent/CN115059085B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243495Y (en) * | 1995-10-13 | 1996-12-25 | 张自力 | Wholly lifting scaffold with safety device against falling-down |
| JP2002188165A (en) * | 2000-12-22 | 2002-07-05 | Nippon Chutetsukan Kk | Ladder with drop preventive net for underground buried structure |
| US20150211247A1 (en) * | 2014-01-24 | 2015-07-30 | Henry Gembala | Construction safety screen system |
| 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 |
|---|---|
| CN115059085B (en) | 2023-07-07 |
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