CN222478616U - Safety ladder stand device for deep foundation pit - Google Patents
Safety ladder stand device for deep foundation pit Download PDFInfo
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- CN222478616U CN222478616U CN202421122655.1U CN202421122655U CN222478616U CN 222478616 U CN222478616 U CN 222478616U CN 202421122655 U CN202421122655 U CN 202421122655U CN 222478616 U CN222478616 U CN 222478616U
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- 230000009194 climbing Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 241000282326 Felis catus Species 0.000 description 30
- 238000010276 construction Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009193 crawling Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
本实用新型提供一种用于深基坑的安全爬梯装置，沿基坑壁设置，包括预埋件、初始爬梯部和拼接爬梯部，所述预埋件沿所述基坑壁间隔设置，所述初始爬梯部顶部搭设在基坑口，底部与对应的所述预埋件可拆卸式连接，所述初始爬梯部的底部钩挂有至少一个拼接爬梯部，所述拼接爬梯部的底部与对应的所述预埋件可拆卸式连接。本实用新型的有益效果是占用空间较小，更方便作业，连接更加牢固可靠，结构简单，操作便捷，降低了安全隐患。
The utility model provides a safety ladder device for deep foundation pits, which is arranged along the foundation pit wall and includes embedded parts, initial ladder parts and spliced ladder parts. The embedded parts are arranged at intervals along the foundation pit wall. The top of the initial ladder part is set at the foundation pit mouth, and the bottom is detachably connected to the corresponding embedded parts. The bottom of the initial ladder part is hooked with at least one spliced ladder part, and the bottom of the spliced ladder part is detachably connected to the corresponding embedded parts. The beneficial effects of the utility model are that it occupies less space, is more convenient to operate, has a more firm and reliable connection, has a simple structure, is easy to operate, and reduces safety hazards.
Description
Technical Field
The utility model belongs to the technical field of constructional engineering, and particularly relates to a safe cat ladder device for a deep foundation pit.
Background
Along with the development of deep foundation pit construction engineering, new deep foundation pit construction technology is continuously emerging, and safety of workers entering a foundation pit is ensured in deep foundation pit excavation and underground structure construction. Especially when deep basal pit excavation degree of depth exceeds more than ten meters or the perpendicular and inner space of basal pit is comparatively narrow, traditional oblique step type working ladder preparation is complicated, occupation space is great, reduces the working space and is difficult to use, and the flexible ladder security of nylon rope preparation is poor, very easily appears the incident, exists the potential safety hazard.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the safe cat ladder device for the deep foundation pit, which effectively solves the problems of occupied space, complex manufacture and potential safety hazard and overcomes the defects of the prior art.
The utility model adopts the technical scheme that the safe cat ladder device for the deep foundation pit is arranged along the wall of the foundation pit and comprises the following components:
The embedded parts are arranged at intervals along the foundation pit wall;
The bottom of the initial ladder stand is hooked with at least one spliced ladder stand, and the bottom of the spliced ladder stand is detachably connected with the corresponding embedded part.
Further, the foundation pit opening is provided with ground bar planting, and the top of the initial ladder stand portion is connected with the ground bar planting.
Further, initial cat ladder portion and concatenation cat ladder portion all include the ladder post that the symmetry set up, be equipped with a plurality of parallels between the ladder post and mark time the pole, the bottom of ladder post is equipped with the connecting rod, the connecting rod is on a parallel with mark time the pole, the both ends of connecting rod stretch out the ladder post is with corresponding the built-in fitting detachable is connected.
Further, the two ends of the connecting rod are provided with hooking grooves.
Further, a hook is arranged at the top of the ladder column relative to the hooking groove, and the hook is matched with the hooking groove.
Further, the embedded part comprises an embedded rod, the embedded rod is arranged in the foundation pit wall, one end of the embedded rod extends out of the foundation pit wall and is provided with a lock catch, and the lock catch is detachably connected with the connecting rod.
Further, the initial ladder stand part and the spliced ladder stand part are both provided with safety protection cages.
Further, the safety cage comprises a plurality of parallel guard rings, the guard rings are arranged along the ladder columns, two ends of the guard rings are connected with the ladder columns, vertical rods are arranged on the guard rings, and the vertical rods are arranged in parallel with the ladder columns.
Further, a safety platform is arranged on the spliced crawling ladder portion.
The utility model also provides a construction method of the safety cat ladder device for the deep foundation pit, which comprises the following steps:
Embedding the embedded part in the foundation pit wall support construction;
erecting the initial ladder stand part at the foundation pit opening;
and hooking the spliced ladder stand part at the bottom of the initial ladder stand part until reaching the bottom of the foundation pit.
The utility model has the advantages and positive effects that by adopting the technical scheme, the occupied space is smaller, the operation is more convenient, the connection is firmer and more reliable, the structure is simple, the operation is convenient and fast, and the potential safety hazard is reduced.
Drawings
Fig. 1 is a side view of a safety ladder stand apparatus for a deep foundation pit according to an embodiment of the present utility model.
Fig. 2 is a front view of a safety ladder stand device for a deep foundation pit according to an embodiment of the present utility model.
In the figure:
1. initial ladder stand part 2, spliced ladder stand part 3 and ground bar planting
4. Ladder column 5, stepping rod 6 and hooking groove
7. Hook 8, embedded rod 9 and lock catch
10. Connecting rod 11, guard ring 12 and upright rod
13. Safety platform 14, foundation pit wall
Detailed Description
The embodiment of the utility model provides a safe cat ladder device for a deep foundation pit, and the embodiment of the utility model is described below with reference to the accompanying drawings.
In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "top", "bottom", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description and to simplify the description, and are not indicative or implying that the apparatus or element in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model. In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, for example, as a fixed connection, a removable connection, or an integral connection, as a direct connection, as an indirect connection via an intermediary, or as a communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1-2, a safety ladder stand device for a deep foundation pit according to an embodiment of the present utility model is disposed along a foundation pit wall 14, and includes an embedded part, an initial ladder stand portion 1 and a spliced ladder stand portion 2. The embedded parts are arranged in a plurality of ways and are arranged at intervals along the foundation pit wall 14, and are embedded in the foundation pit wall 14. The top of initial cat ladder portion 1 is the horizontal segment and sets up in the foundation ditch mouth, with foundation ditch mouth fixed connection. The horizontal section is provided with handrails, so that workers can conveniently enter the foundation pit. The horizontal section is fixedly connected with a vertical section, the vertical section is arranged along the foundation pit wall 14, and the bottom of the vertical section is detachably connected with the corresponding embedded part. The bottom of initial cat ladder portion 1 is hooked and is had at least one concatenation cat ladder portion 2, and the bottom of concatenation cat ladder portion 2 is connected with the built-in fitting detachably that corresponds. The number of the spliced cat ladder parts 2 is not limited, and can be set according to the depth of the foundation pit. When setting up a plurality of concatenation cat ladder portions 2, the top hook that is located the concatenation cat ladder portion 2 of below is in the bottom of the concatenation cat ladder portion 2 of top, and the bottom of every concatenation cat ladder portion 2 is connected with the built-in fitting detachably that corresponds for whole safe cat ladder device sets up space-saving, and installs firmly reduced the potential safety hazard along foundation ditch wall 14.
Preferably, in order to install the initial ladder stand portion 1 more firmly, the ground bar planting 3 is arranged at a position, close to the horizontal section of the initial ladder stand portion 1, of the foundation pit opening, and the horizontal section of the initial ladder stand portion 1 is welded and fixed with the ground bar planting 3. The initial ladder stand part 1 is fixed more firmly by welding with the ground bar planting 3, is not easy to loosen, and is also beneficial to the positioning of the whole device.
Specifically, initial cat ladder portion 1 and concatenation cat ladder portion 2 all include the ladder post 4 that the symmetry set up, and two ladder posts 4 are along the vertical setting of foundation ditch wall 14, are equipped with a plurality of horizontal parallel pole 5 of marking time between the ladder post 4. The stepping bars 5 are arranged at equal intervals. The bottom at the ladder post 4 is equipped with connecting rod 10, and connecting rod 10 is parallel to the pole 5 setting of marking time, and ladder post 4 is stretched out at connecting rod 10's both ends and corresponding built-in fitting detachable is connected for initial cat ladder portion 1 and every concatenation cat ladder portion 2 all with foundation ditch inner wall fixed connection, firm in connection is reliable. In this embodiment, the stiles 4, the step bars 5 and the connecting bars 10 are all profiles and are welded together.
Specifically, the hooking grooves 6 are provided at both ends of the connection rod 10, and the shape of the hooking grooves 6 is not limited. In the present embodiment, the hooking grooves 6 are symmetrically provided in order to center the plurality of splice ladders 2.
Specifically, the top of the ladder column 4 is provided with a hook 7 corresponding to the position of the hooking groove 6, and the hook 7 is matched with the hooking groove 6. The hook 7 at the top of the first splicing ladder stand 2 and the ladder column 4 is hooked in the hooking groove 6 on the connecting rod 10 of the initial ladder stand 1, and the hook 7 at the top of the lower splicing ladder stand 2 is hooked in the hooking groove 6 on the connecting rod 10 of the upper splicing ladder stand 2. Through the mode of hook, constitute whole cat ladder device with initial cat ladder portion 1 and concatenation cat ladder portion 2, the mounting means is simple, simple operation.
Specifically, the built-in fitting includes embedded bar 8, and embedded bar 8 sets up in foundation ditch wall 14, and one end stretches out foundation ditch wall 14 and is equipped with hasp 9, and hasp 9 and connecting rod 10 both ends detachable connection. In this embodiment, the embedded bars 8 are specifically configured as steel bars, and the protruding ends of the steel bars are welded with the lock catches 9. The length of the embedded rod 8 is long enough to ensure that the depth of the embedded rod entering the foundation pit wall 14 is deep enough to ensure the stability of the lock catch 9, so that the fixing of the connecting rod 10 is firmer, and the stability of the whole device is ensured.
Preferably, in order to avoid that the staff slips off during climbing, a safety cage is arranged at the initial ladder stand part 1 and the spliced ladder stand part 2.
Specifically, the safety cage includes a plurality of retainers 11 disposed in parallel, and the shape of the retainers 11 is not limited and may be circular arc or U-shaped. The retainers 11 are equally spaced along the stiles 4, both ends are connected with the ladder post 4. In order to make the safety cage stronger, a plurality of uprights 12 are connected to the guard ring 11, the uprights 12 being arranged parallel to the stiles 4. In this embodiment, both ends of the retainer 11 are welded to the stiles 4, and the vertical bars 12 are welded to the retainer 11.
When the foundation pit depth reaches a certain depth, generally more than 7 meters, in order to prevent operators from climbing tired, a safety platform 13 is welded on the inner side of the spliced cat ladder part 2 and used for temporary rest. The shape of the safety platform 13 is not limited. The number of settings and the spacing distance of the security platforms 13 are not limited. In the present embodiment, an arc-shaped steel plate is welded inside the splice ladder section 2 as the safety platform 13.
The construction method of the safe cat ladder device for the deep foundation pit comprises the following steps of:
1) Firstly, pre-burying the embedded parts while supporting and constructing the side wall after excavation of the foundation pit, and determining the mounting positions and the mounting quantity of the embedded parts according to the depth of the foundation pit and the mounting positions of the whole device. The length of the embedded rod 8 of the embedded part is enough to be ensured, and the depth of the embedded rod entering the foundation pit wall 14 is enough to be deep, so that the stability and firmness of the lock catch 9 are ensured.
2) The foundation pit opening is provided with a ground bar planting 3, and the initial ladder stand part 1 is erected on the foundation pit opening and welded and fixed with the ground bar planting 3. The two ends of the connecting rod 10 at the bottom of the initial ladder stand part 1 are locked and fixed with the corresponding lock catches 9 on the embedded rod 8.
3) The hook 7 at the top of the ladder column 4 of the first spliced ladder stand part 2 is hooked in the hooking groove 6 on the connecting rod 10 of the initial ladder stand part 1, and the two ends of the connecting rod 10 at the bottom of the first spliced ladder stand part 2 are locked and fixed with the corresponding lock catches 9 on the embedded rod 8. All spliced ladder parts 2 are sequentially connected and fixed by the same method until reaching the bottom of the foundation pit.
4) When the depth of the foundation pit is greater than 7 meters, the safety platform 13 is welded on the inner side of the spliced crawling ladder part 2 according to requirements.
The utility model has the advantages and positive effects that:
1. Through setting up hook formula mosaic structure, can change the length of safe cat ladder according to foundation ditch degree of depth, simple structure, simple operation.
2. Through setting up connecting rod and built-in fitting, make whole device set up along the foundation ditch wall, compare oblique step type working ladder occupation space less, more be favorable to the operation, and initial cat ladder portion and every concatenation cat ladder portion all with foundation ditch wall fixed connection, the connected mode is firm reliable, has reduced the potential safety hazard.
3. Through setting up ground planting muscle, make initial cat ladder portion more firm, be favorable to the location and the fixed of whole device.
4. The safety of operators is further ensured by arranging the safety cage and the safety platform.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421122655.1U CN222478616U (en) | 2024-05-22 | 2024-05-22 | Safety ladder stand device for deep foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421122655.1U CN222478616U (en) | 2024-05-22 | 2024-05-22 | Safety ladder stand device for deep foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222478616U true CN222478616U (en) | 2025-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421122655.1U Active CN222478616U (en) | 2024-05-22 | 2024-05-22 | Safety ladder stand device for deep foundation pit |
Country Status (1)
| Country | Link |
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| CN (1) | CN222478616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118375380A (en) * | 2024-05-22 | 2024-07-23 | 中冶天工集团天津有限公司 | A safe ladder device and construction method for deep foundation pit |
-
2024
- 2024-05-22 CN CN202421122655.1U patent/CN222478616U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118375380A (en) * | 2024-05-22 | 2024-07-23 | 中冶天工集团天津有限公司 | A safe ladder device and construction method for deep foundation pit |
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