CN217269083U - Suspension type safety ladder cage - Google Patents
Suspension type safety ladder cage Download PDFInfo
- Publication number
- CN217269083U CN217269083U CN202220620625.8U CN202220620625U CN217269083U CN 217269083 U CN217269083 U CN 217269083U CN 202220620625 U CN202220620625 U CN 202220620625U CN 217269083 U CN217269083 U CN 217269083U
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- Prior art keywords
- ladder cage
- barb
- group
- fixing pieces
- safety ladder
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- 239000000725 suspension Substances 0.000 title abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 19
- 238000009412 basement excavation Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a suspension type safety ladder cage. The safety ladder cage comprises a plurality of sections of ladder cage bodies, barb fixing pieces and transverse supporting rods, wherein different ladder cage bodies can be vertically spliced section by section through connecting sleeves and connecting bolts, 4 barb fixing pieces are used as a group, each group of barb fixing pieces is fixedly connected to 4 stand columns of the ladder cage body, and the height of each group of barb fixing pieces is the same; the transverse supporting rods are divided into two groups, and each group of barb fixing pieces is correspondingly matched with one group of transverse supporting rods; the group of transverse supporting rods can be horizontally erected on one concrete supporting beam of the foundation pit in parallel; the whole suspension type safety ladder cage can be suspended and hoisted through all the barb fixing parts and the transverse supporting rods which are fastened and fixed. The utility model provides a suspension type safety ladder cage has realized through the mounting means who hangs that safety ladder cage exempts from to fall to the ground, can make ladder cage install in advance and use in the earthwork stage, has improved the rate of utilization of ladder cage in the foundation ditch stage greatly.
Description
Technical Field
The utility model belongs to the construction equipment field, concretely relates to suspension type safety ladder cage.
Background
The shaped safety ladder cage is mainly assembled by components such as a steel frame, a vertical rod and a ladder, each section of ladder cage is connected through bolts, and the shaped safety ladder cage is used for up-and-down passing of construction personnel in engineering construction such as road and bridge high piers, subway foundation pits and tunnel portal construction in a large number. For large-scale deep foundation pit projects, particularly deep foundation pit projects with supporting structures of more than three supporting beams, the bottommost section of base of a traditional ladder cage needs to be seated on a hardened concrete surface, the installation condition cannot be met in the earthwork excavation process, the installation time is basically before and after construction to the bottom of the foundation pit, the actual service time of the ladder cage only accounts for 50% of the construction time below the ground, the requirements of earthwork construction personnel for going up and down the foundation pit cannot be met, and the actual utilization rate of the safety ladder cage is low.
Disclosure of Invention
An object of the utility model is to solve the problem that exists among the prior art to a suspension type safety ladder cage is provided.
The utility model discloses the concrete technical scheme who adopts as follows:
a suspension type safety ladder cage comprises a plurality of sections of ladder cage bodies, barb fixing pieces and transverse support rods, wherein different ladder cage bodies can be vertically spliced section by section through connecting plates and connecting bolts, and two ends of each connecting plate are respectively lapped on stand columns of adjacent ladder cage bodies and screwed in the connecting bolts to realize fixation;
the barb fixing pieces are 4 in one group, each group of barb fixing pieces is fixedly connected to 4 upright posts of the ladder cage body, and the height of each group of barb fixing pieces is the same; the barb openings of all the barb fixing pieces face downwards; the transverse supporting rods are divided into two groups, and each group of barb fixing pieces is correspondingly matched with one group of transverse supporting rods; a group of transverse supporting rods can be horizontally erected on a concrete supporting beam of the foundation pit in parallel, and a corresponding group of barb fixing pieces are buckled and fixed on the transverse supporting rods in pairs respectively to form a vertical force bearing structure; the whole suspended safety ladder cage can be suspended and hoisted through all the barb fixing parts and the transverse supporting rods which are fastened and fixed.
Preferably, the barb fixing parts and the transverse supporting rods on the suspension type safety ladder cage are provided with multiple groups, and one barb fixing part and one transverse supporting rod are arranged at each supporting beam position of the foundation pit.
Preferably, the barb fastener is L-shaped.
Preferably, the barb fixing piece is processed by section steel.
Preferably, the end of the barb fixing piece is fixed on the upright post of the ladder cage body through welding or bolt connection.
Preferably, the transverse supporting rod is made of I-shaped steel, H-shaped steel or square steel tubes.
Preferably, both ends of the transverse supporting rod are provided with press rings for fixing the transverse supporting rod and the supporting beam.
Preferably, the pressure ring is machined by round steel.
Preferably, 16# I-steel is adopted as the transverse supporting rod.
Preferably, the ladder cage body is internally provided with stairs with vertical rod handrails.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model provides a suspension type safety ladder cage has realized through the mounting means who hangs that safety ladder cage exempts from to fall to the ground, can make ladder cage install in advance and use after the construction of earthwork stage (second way supporting beam is accomplished), has improved the rate of utilization of ladder cage in the foundation ditch stage greatly.
Drawings
FIG. 1 is a schematic view of a suspended safety ladder cage;
FIG. 2 is an enlarged view of position A of FIG. 1;
fig. 3 is a schematic plan view of a suspension type safety ladder cage suspended on a support beam of a foundation pit;
FIG. 4 is a schematic elevation view of a suspended safety ladder cage suspended on a support beam of a foundation pit;
the reference numbers in the figures are: ladder cage body 1, pole setting handrail 2, barb mounting 3, transverse supporting rod 4, connecting plate 5, connecting bolt 6, stand stake 7, lattice column 8, a supporting beam 9, protection railing 10.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below. The utility model discloses technical characteristics in each embodiment are under the prerequisite that does not conflict each other, all can carry out corresponding combination.
In the description of the present invention, it will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected to the other element, i.e., intervening elements may be present. In contrast, when an element is referred to as being "directly connected to" another element, there are no intervening elements present.
In a preferred embodiment of the present invention, as shown in fig. 1 and 2, a suspended safety ladder cage is provided, which comprises a plurality of sections of ladder cage bodies 1, barb fixing members 3 and transverse support rods 4. Wherein each section of ladder cage body 1's self structure is the same with traditional ladder cage structure, contains ladder cage frame and inside stair, and ladder cage frame is formed by four stands and 8 horizontal frame equipment, and the restriction can not be done to inside stair's form to it is the standard to pass from top to bottom in satisfying. The ladder cage body 1 in this embodiment is internally provided with a stair with upright handrails 2.
Because whole foundation ditch is excavation downwards gradually, consequently in order to be applicable to the user demand of different excavation progress, with the design of whole suspension type safety ladder cage for vertical form of assembling, different ladder cage bodies 1 can carry out vertical section by section concatenation through connecting plate 5 and connecting bolt 6 promptly. At each concatenation node position, 5 both ends of connecting plate overlap joint respectively on the stand of adjacent ladder cage body 1 to twist and connect bolt 6 and realize fixing, the nimble equipment demand under this kind of detachable equipment form can satisfy different construction scenes. In this embodiment, the connecting plate 5 can be formed by welding steel plates, and the three sides of the stand are attached, and the adopted connecting bolt 6 can be a high-strength bolt, and the strength of the bolt can meet corresponding requirements. Only a schematic diagram of assembling 3 sections of ladder cage bodies 1 is shown in fig. 1, but the actual number can be adjusted according to construction needs and is at least 1 section.
In this embodiment, what whole safety ladder cage adopted is that the form of hanging is installed, and its bottom need not to support at foundation ditch excavation face or foundation ditch bottom. The suspended mounting is achieved by means of barb fittings 3 and cross braces 4. The barb fixing pieces 3 are 4 in one group, each group of barb fixing pieces 3 is fixedly connected to 4 upright posts of the ladder cage body 1, and the height of each group of barb fixing pieces 3 is the same; the barb openings of all the barb fixtures 3 are directed downward. The end part of the barb fixing part 3 is fixed on the upright post of the ladder cage body 1 through welding or bolt connection. The form of the barb fitting 3 is not limited, and it can be engaged with the crossbar 4. The barb fixing 3 is not limited in material, and any steel section satisfying strength may be used, and preferably L-shaped 8# channel steel is used.
In addition, the transverse supporting rods 4 are divided into two groups, and each group of barb fixing parts 3 is correspondingly matched with one group of transverse supporting rods 4. As shown in fig. 3, a set of transverse support rods 4 can be horizontally erected on a concrete support beam of the foundation pit in parallel, and a corresponding set of barb fixing members 3 are fastened and fixed on the transverse support rods 4 in pairs to form a vertical force bearing structure. Two barb mounting 3 locks of ladder cage body 1 one side are on the spreader 4 of homonymy, and the weight of ladder cage body 1 can be distributed on spreader 4 from this, and then transmits to a supporting beam through spreader 4 on, realizes the carry to ladder cage body 1.
As shown in fig. 4, the barb fixing members 3 and the transverse struts 4 on the whole suspension type safety ladder cage can be provided with multiple groups, and one barb fixing member 3 and one transverse strut 4 are arranged at each support beam position of the foundation pit. During the in-service use, in the foundation ditch excavation work progress, every completion supporting beam's construction, can extend ladder cage body 1 to corresponding position downwards to erect corresponding spreader 4 in a supporting beam position, ladder cage body 1 lateral part welding barb mounting 3 carries the ladder cage to on the spreader 4, and the ladder cage body 1 that will add newly is connected fixedly with last section ladder cage body 1 again. Whole suspension type safety ladder cage can hang the hoist and mount through barb mounting 3 and the 4 suspension braces of all locks fixed, and its bottom can contactless foundation ditch excavation face or bottom surface, can carry out downward continuation equipment gradually along with the construction moreover. The construction modes of the upright post piles 7, the lattice posts 8 and the support beams 9 of the foundation pit can refer to the traditional construction method of the foundation pit, and the construction method is not limited. In fig. 4, a total of 4 supporting beams are arranged in the excavation process of the foundation pit, so that 8 sections of ladder cage bodies 1 are correspondingly arranged, wherein the second section, the fourth section, the sixth section and the eighth section of ladder cage bodies 1 need to be erected on the first support, the second support, the third support and the fourth support respectively through barb fixing parts 3 and transverse supporting rods 4.
In this embodiment, the barb fixing member 3 is L-shaped, and the specific material thereof may be formed by machining steel. The transverse support rod 4 is made of I-steel, H-shaped steel or square steel pipe, preferably 16# I-steel.
In addition, in order to ensure the stability of the cross brace 4 on the support beam, the length of the cross brace 4 on the support beam 9 should be not less than 400 mm. Simultaneously, can also set up the clamping ring at the both ends of spreader bar 4, be used for further hooping 4 tip of spreader bar on a supporting beam through the clamping ring and fix. The material of the pressure ring is not limited, and the pressure ring can be processed by phi 16 round steel.
In addition, in order to guarantee the construction safety, the exit position of stair in each section of ladder cage body 1 can further set up protection railing 10 on a supporting beam, guarantees the security that personnel passed through.
Additionally, the utility model discloses used steel intensity of each subassembly all needs the satisfying requirement in the well suspension type ladder cage, preferably is Q235.
To sum up, the utility model provides a hang safety ladder cage can be applied to ultra-deep foundation ditch project, especially support the long project of way number many, foundation ditch stage construction period in the hole, improved the rate of utilization of safety ladder cage in whole foundation ditch stage, and can install in advance and use after the construction of a second way supporting beam in foundation ditch is accomplished. Therefore the utility model provides a exempt from to fall to ground suspension type ladder cage has considered the installation of ladder cage simultaneously, does not directly erect and select to hang on the horizontal brace rod, can not influence the excavation and the construction of foundation ditch bottom from this.
The above-mentioned embodiments are merely a preferred embodiment of the present invention, but it is not intended to limit the present invention. Various changes and modifications can be made by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present invention. Therefore, all the technical schemes obtained by adopting the mode of equivalent replacement or equivalent transformation fall within the protection scope of the utility model.
Claims (10)
1. A suspended safety ladder cage is characterized by comprising a plurality of sections of ladder cage bodies (1), barb fixing pieces (3) and transverse supporting rods (4), wherein different ladder cage bodies (1) can be vertically spliced section by section through connecting plates (5) and connecting bolts (6), and two ends of each connecting plate (5) are respectively lapped on stand columns of adjacent ladder cage bodies (1) and are screwed in the connecting bolts (6) to realize fixation;
the barb fixing pieces (3) are divided into a group of 4, each group of barb fixing pieces (3) is fixedly connected to 4 upright posts of the ladder cage body (1), and the height of each group of barb fixing pieces (3) is the same; the barb opening directions of all the barb fixing pieces (3) are downward; the transverse supporting rods (4) are divided into two groups, and each group of barb fixing pieces (3) is correspondingly matched with one group of transverse supporting rods (4); a group of transverse supporting rods (4) can be horizontally erected on a concrete supporting beam of a foundation pit in parallel, and a corresponding group of barb fixing pieces (3) are fastened and fixed on the transverse supporting rods (4) in pairs respectively to form a vertical bearing structure; the whole suspended safety ladder cage can be suspended and hoisted through all the barb fixing pieces (3) and the transverse supporting rods (4) which are fastened and fixed.
2. The suspended safety ladder cage according to claim 1, wherein there are multiple sets of barb fixing members (3) and cross braces (4), and one barb fixing member (3) and one cross brace (4) are provided at each support beam position of the foundation pit.
3. A suspended safety ladder cage according to claim 1, characterised in that the barb fastener (3) is L-shaped.
4. A suspended safety ladder cage according to claim 3, characterised in that the barb fitting (3) is manufactured from profiled steel.
5. A suspended safety ladder cage according to claim 4, characterised in that the ends of the barb fixing (3) are fixed to the uprights of the cage body (1) by welding or bolting.
6. A suspended safety ladder cage according to claim 1, characterised in that the transverse braces (4) are i-steel, H-steel or square steel tubes.
7. A suspended safety ladder cage according to claim 1, characterised in that the transverse struts (4) are provided with clamping rings at both ends for fixing the transverse struts (4) to the supporting beams.
8. The suspended safety ladder cage of claim 7 wherein the compression ring is formed from round steel.
9. A suspended safety ladder as claimed in claim 1, wherein the cross braces (4) are 16# i-steel.
10. A suspended safety ladder cage according to claim 1, characterized in that the ladder cage body (1) is provided with stairs with vertical handrails (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220620625.8U CN217269083U (en) | 2022-03-21 | 2022-03-21 | Suspension type safety ladder cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220620625.8U CN217269083U (en) | 2022-03-21 | 2022-03-21 | Suspension type safety ladder cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217269083U true CN217269083U (en) | 2022-08-23 |
Family
ID=82870783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220620625.8U Expired - Fee Related CN217269083U (en) | 2022-03-21 | 2022-03-21 | Suspension type safety ladder cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217269083U (en) |
-
2022
- 2022-03-21 CN CN202220620625.8U patent/CN217269083U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |