CN201962965U - Cadge ladder for construction of deep base pit - Google Patents
Cadge ladder for construction of deep base pit Download PDFInfo
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- CN201962965U CN201962965U CN2011200262311U CN201120026231U CN201962965U CN 201962965 U CN201962965 U CN 201962965U CN 2011200262311 U CN2011200262311 U CN 2011200262311U CN 201120026231 U CN201120026231 U CN 201120026231U CN 201962965 U CN201962965 U CN 201962965U
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- ladder
- peripheral skeleton
- deep foundation
- foundation pit
- cadge
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Abstract
The utility model discloses a cadge ladder for the construction of a deep base pit. The cadge ladder is sequentially assembled by a plurality of cadge ladder segments with the same structures and sizes from bottom to top, the plurality of cadge ladder segments are arranged on a same vertical line, and every two adjoining cadge ladder segments are connected with each other by a fastening connecting piece in a fastening way; each cadge ladder segment comprises a cubic peripheral skeleton, a safeguard structure arranged around the peripheral skeleton and a staircase arranged in the peripheral skeleton; and the staircases arranged in the cadge ladder segments are communicated with one another from top to bottom to form a broken line-shaped top-and-bottom passageway for a constructor to walk during constructing the deep base pit, and the vertical height of the broken line-shaped top-and-bottom passageway corresponds to the depth of a constructed deep base pit. The cadge ladder is reasonable in design, convenient for machining, manufacture and assembling, adjustable in assembly height, high in safety factor, and economical and practical, so that the practical problems that the existing deep base pit top-and-bottom passageway is low in safety factor, inconvenient for a constructor to go into or out of the base pit, large in base occupied area of the staircases, inconvenient to move and the like can be solved.
Description
Technical field
The utility model relates to lower channel on a kind of deep foundation ditch, especially relates to a kind of deep foundation pit construction cage ladder.
Background technology
The paces of current subway construction and urban underground space exploitation are constantly accelerated, and deep-foundation pit engineering just develops towards the direction of " close, dark, big ", and the safety problem of bringing thus also will get more and more.In construction period, the site operation personnel must enter the foundation pit construction operation by lower channel on the foundation ditch, therefore, must make the access staircase up and down of safety standard, could guarantee constructor's safety like this.Yet, at present the job site foundation ditch up and down staircase set up simple and easyly because as general provisional facility, exist many potential safety hazards, very easily cause personnel's high falling accident.Nowadays, the lower channel great majority all adopt common staircase form on the deep foundation ditch, thereby in the actual use, unshielded structure, staircase were set up dangerous, personnel's foundation ditch inconvenience up and down around lower channel all existed to some extent on the existing deep foundation ditch, staircase takies number of drawbacks and deficiencies such as area of base is big, mobile inconvenience.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of deep foundation pit construction cage ladder is provided, its reasonable in design, processing and fabricating and assembly unit are convenient, assembly unit adjustable height and safety factor height, economical and practical, and the safety factor that can solve lower channel existence on the existing deep foundation ditch is lower, foundation ditch inconvenience about the personnel, staircase take practical problems such as area of base is big, mobile inconvenience.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of deep foundation pit construction cage ladder, it is characterized in that: the cage ladder merogenesis all identical by a plurality of structures and size is assemblied to form from bottom to up successively, and a plurality of cage ladder merogenesis are laid on the same vertical curve and between adjacent two cages ladder merogenesis and are fastenedly connected by fastening connection piece; Described cage ladder merogenesis comprises cube shaped peripheral skeleton, be laid in the safeguard structure of side around the peripheral skeleton and be installed in peripheral intraskeletal staircase; The staircase that a plurality of cages ladder merogenesis inside is installed from top to bottom is communicated with forms that the broken line shape for constructor's walking is gone up lower channel in the deep foundation pit construction process, and it is corresponding with the degree of depth of construction deep foundation ditch that described broken line shape is gone up the vertical height of lower channel.
Above-mentioned deep foundation pit construction cage ladder, it is characterized in that: described staircase comprises being tilted to be set up at the stair stringer of peripheral skeleton inboard, be installed in a plurality of broadsteps on the stair stringer from top to bottom and be installed in the hand rail in the stair stringer outside, and described peripheral skeleton comprises under(-)chassis, in the top frame directly over the described under(-)chassis be laid in vertical column between described under(-)chassis and the top frame; The top frame of described peripheral skeleton and under(-)chassis are respectively arranged with a shoulder pole girder of laterally laying, and the upper and lower end parts of described stair stringer is fixedly supported on respectively up and down on two shoulder pole girders.
Above-mentioned deep foundation pit construction cage ladder is characterized in that: side all is equipped with reinforced mesh around the described peripheral skeleton.
Above-mentioned deep foundation pit construction cage ladder is characterized in that: described under(-)chassis and top frame are rectangle, and the quantity of described vertical column is that 4 and 4 described vertical columns are laid in respectively between four drift angles of described under(-)chassis and top frame.
Above-mentioned deep foundation pit construction cage ladder is characterized in that: side is provided with hanger around the top frame of described peripheral skeleton.
Above-mentioned deep foundation pit construction cage ladder is characterized in that: described fastening connection piece is a fastening bolt, is respectively arranged with a plurality of bolt mounting holes that are used to install described fastening bolt on the top frame of described peripheral skeleton and the under(-)chassis.
Above-mentioned deep foundation pit construction cage ladder, it is characterized in that: described safeguard structure is four and is laid in the peripheral skeleton X-shaped protective frame of side all around respectively, the fender rod that described X-shaped protective frame is laid by two intersections is composed of a fixed connection, and the upper and lower end parts of two fender rods is separately fixed at the junction between described vertical column and top frame and the under(-)chassis.
Above-mentioned deep foundation pit construction cage ladder is characterized in that: described staircase is the corner stair.
Above-mentioned deep foundation pit construction cage ladder, it is characterized in that: the height of described peripheral skeleton is that 2.5m, longitudinal length are that 3.6m and its transverse width are 1.7m, described stair stringer is laid and its longitudinal projection's length is 2m along the longitudinal length direction of peripheral skeleton, angle of inclination between described stair stringer and the horizontal plane is 50 °, and the transverse width of described staircase is 750mm.
Above-mentioned deep foundation pit construction cage ladder is characterized in that: described peripheral skeleton, stair stringer and shoulder pole girder are channel-section steel, and described hand rail is a steel pipe.
The utility model compared with prior art has the following advantages:
1, cage ladder merogenesis reasonable in design, processing and fabricating is easy and input cost is low, and is in light weight and area occupied is little, can not impact other working procedure of deep foundation ditch.
2, assembly unit is convenient between the adjacent cage ladder merogenesis, and lifting and installation procedure are simple and connect reliable.
3, safe and safety factor is very high, stressed transitive relation of the present utility model is clear and definite, pedestrian's load reaches staircase, load on the staircase is passed on the peripheral stress frame that is welded into by angle steel by girder and shoulder pole again, its structural safety is stable, stressed rationally, and is provided with reinforced mesh around the cage ladder, the green order net of peripheral installation, make on the whole foundation ditch lower channel envelope in reinforced mesh, can prevent effectively that falling object from high altitude from hurting sb.'s feelings.
4, economy is high and applied widely, and the cage ladder is processed according to standard size, and clear height 2.5m makes things convenient for each deep foundation ditch project to assemble according to the actual conditions of this base pit engineering.Thereby channel height is controlled up and down, and easy to assembly, and the cage ladder has versatility, can reuse, and has avoided unnecessary waste.
5, practical, the utility model processing and manufacturing is simple and easy, lifting is installed conveniently, and assembling is removed fast, can be shifted easily in foundation ditch, and is very convenient about the personnel simultaneously.In addition, its bed-plate dimension is 1.7m * 3.6m, and floor space is little, influences less to pit earthwork, structure construction.The weight of single cage ladder merogenesis is 1.1-1.3t, conveniently transports and deposits.
6, highly versatile and popularizing application prospect are extensive, and the size of cage ladder merogenesis can satisfy the use of present most deep-foundation pit engineerings, and height can have general versatility by the demand assembly unit, is convenient to carry out factorial construction.
7, good looking appearance, lower channel on the common in the past foundation ditch, the utility model good looking appearance, regular.
In sum, the utility model reasonable in design, processing and fabricating and assembly unit are convenient, assembly unit adjustable height and safety factor height, economical and practical, personnel are easy for going up and down, can not cause harmful effect to other working procedure of deep foundation ditch, can solve effectively that lower channel exists on the existing deep foundation ditch around unshielded structure, staircase set up dangerous, personnel's foundation ditch inconvenience up and down, staircase takies number of drawbacks and deficiencies such as area of base is big, mobile inconvenience.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a user mode reference diagram of the present utility model.
Fig. 2 is the structural representation of the utility model bottom cage ladder merogenesis.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the vertical view of Fig. 2.
Description of reference numerals:
The peripheral skeleton of 1-; 2-reinforcement protection bar; 3-X shape protective frame;
The 4-hand rail; The 5-stair stringer; The 6-broadstep;
The 7-reinforced mesh; The 8-shoulder pole girder; The 9-bolt mounting holes;
The 10-hanger; 11-cage ladder door; 12-cage ladder merogenesis.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the utility model is assemblied to form from bottom to up successively by all identical cage ladder merogenesis 12 of a plurality of structures and size, and a plurality of cage ladder merogenesis 12 are laid on the same vertical curve and between adjacent two cages ladder merogenesis 12 and are fastenedly connected by fastening connection piece.Described cage ladder merogenesis 12 comprises cube shaped peripheral skeleton 1, be laid in the safeguard structure of side around the peripheral skeleton 1 and be installed in staircase in the peripheral skeleton 1.The staircase that install a plurality of cages ladder merogenesis 12 inside from top to bottom is communicated with forms that the broken line shape for constructor's walking is gone up lower channel in the deep foundation pit construction process, and it is corresponding with the degree of depth of construction deep foundation ditch that described broken line shape is gone up the vertical height of lower channel.In the present embodiment, the quantity of described cage ladder merogenesis 12 is 4, and wherein the cage of bottom ladder merogenesis 12 is provided with cage ladder door 11.In the practice of construction process, can be according to the degree of depth of the actual deep foundation ditch of constructing, the quantity of the used cage ladder of assembly unit merogenesis 12 is corresponding to be determined.
In the present embodiment, described staircase comprises being tilted to be set up at the stair stringer 5 of peripheral skeleton 1 inboard, be installed in a plurality of broadsteps 6 on the stair stringer 5 from top to bottom and be installed in the hand rail 4 in stair stringer 5 outsides, and described peripheral skeleton 1 comprises under(-)chassis, in the top frame directly over the described under(-)chassis be laid in vertical column between described under(-)chassis and the top frame.The top frame of described peripheral skeleton 1 and under(-)chassis are respectively arranged with a shoulder pole girder 8 of laterally laying, and the upper and lower end parts of described stair stringer 5 is fixedly supported on respectively up and down on two shoulder pole girders 8.
During actual processing and fabricating, side all is equipped with reinforced mesh 7 around the described peripheral skeleton 1.In the present embodiment, described under(-)chassis and top frame are rectangle, and the quantity of described vertical column is that 4 and 4 described vertical columns are laid in respectively between four drift angles of described under(-)chassis and top frame.
Simultaneously, for easy to loading and unloading, side is provided with hanger 10 around the top frame of described peripheral skeleton 1.
Described fastening connection piece is a fastening bolt, is respectively arranged with a plurality of bolt mounting holes 9 that are used to install described fastening bolt on the top frame of described peripheral skeleton 1 and the under(-)chassis.In the present embodiment, described fastening bolt is the M24 bolt.
In the present embodiment, described safeguard structure is four and is laid in the peripheral skeleton 1 X-shaped protective frame 3 of side all around respectively, the fender rod that described X-shaped protective frame 3 is laid by two intersections is composed of a fixed connection, and the upper and lower end parts of two fender rods is separately fixed at the junction between described vertical column and top frame and the under(-)chassis.
For walking conveniently, described staircase is the corner stair.In the present embodiment, the height of described peripheral skeleton 1 is that 2.5m, longitudinal length are that 3.6m and its transverse width are 1.7m, described stair stringer 5 is laid and its longitudinal projection's length is 2m along the longitudinal length direction of peripheral skeleton 1, angle of inclination between described stair stringer 5 and the horizontal plane is 50 °, and the transverse width of described staircase is 750mm.
During actual processing and fabricating, described peripheral skeleton 1, stair stringer 5 and shoulder pole girder 8 are channel-section steel, and described hand rail 4 is a steel pipe.In the present embodiment, described peripheral skeleton 1 adopts 100 * 100 angle steel to be welded.
To sum up, described cage ladder merogenesis 12 is combined into by outer inclosure ladder skeleton and inner staircase.The width of described staircase considers that the positive width that can pass through with a people side of a people gets 850mm, then the transverse width of cage ladder merogenesis 12 is got 1.7m, and the interior braced cuts structure of deep-foundation pit engineering also greater than 2m, is enough to guarantee cage ladder merogenesis 12 laying in deep foundation ditch like this as the spacing of steel support, concrete support etc. at present.The longitudinal length of described cage ladder merogenesis 12 is 3.6m, thereby its volume is less, and the area that takies foundation ditch is less, can effectively reduce the influence to other operation.The peripheral skeleton of cage ladder is that the integral body of peripheral skeleton 1 is cuboid.Actually add man-hour, the transverse width of described broadstep 6 be 750mm and its to adopt thickness be that the embossed steel plates of 4mm is made, vertical width of broadstep 6 is 250mm, each staircase is established 7 broadsteps 6.When broadstep 6 is installed, described broadstep 6 is fixed on the stair stringer 5 by 30 * 40 angle bar, and all fixedly connected by welding manner between described 30 * 40 angle bar and broadstep 6 and the stair stringer 5, described stair stringer 5 selects for use 20 channel-section steels and its to be the girder of described staircase.No. 810 channel-section steels of described shoulder pole girder and its are weldingly fixed on the peripheral skeleton 1, the girder of staircase for freely-supported form load on two shoulder pole girders 8 up and down, so just guaranteed the reliable connection between staircase and the peripheral safeguard structure.It is that 2mm and diameter are the steel pipe of Φ 25mm that described hand rail 4 is selected wall thickness for use, peripheral skeleton 1 is peripheral adopt the X-shaped protective frame 3 that is welded into by 50 channel-section steels as around safeguard structure, around peripheral skeleton 1, be fixed with reinforced mesh simultaneously, the periphery is provided with green order net.At last.The bolt mounting holes 9 that to open 10 apertures respectively on the top frame of peripheral skeleton 1 and under(-)chassis be Φ 26mm.Like this, just finish the whole processing and making process of a cage ladder merogenesis 12, the about 1.1t of weight of cage ladder merogenesis 12.
When reality is assembled the good a plurality of cages ladder merogenesis 12 of processing and fabricating, because cage ladder merogenesis 12 tops are provided with 4 hangers 10, adopt the mobile crane lifting very easy, and after lifting puts in place, two neighbouring cages ladder merogenesis 12 are fastenedly connected by the M24 bolt.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (10)
1. deep foundation pit construction cage ladder, it is characterized in that: the cage ladder merogenesis (12) all identical by a plurality of structures and size is assemblied to form from bottom to up successively, and a plurality of cage ladder merogenesis (12) are laid on the same vertical curve and between adjacent two cages ladder merogenesis (12) and are fastenedly connected by fastening connection piece; Described cage ladder merogenesis (12) comprises cube shaped peripheral skeleton (1), is laid in peripheral skeleton (1) safeguard structure and the staircase that is installed in the peripheral skeleton (1) of side all around; The inner staircase of being installed of a plurality of cages ladder merogenesis (12) from top to bottom is communicated with forms that the broken line shape for constructor's walking is gone up lower channel in the deep foundation pit construction process, and it is corresponding with the degree of depth of construction deep foundation ditch that described broken line shape is gone up the vertical height of lower channel.
2. according to the described deep foundation pit construction of claim 1 cage ladder, it is characterized in that: described staircase comprises being tilted to be set up at the inboard stair stringer (5) of peripheral skeleton (1), be installed in a plurality of broadsteps (6) on the stair stringer (5) from top to bottom and be installed in hand rail (4) outside the stair stringer (5), and described peripheral skeleton (1) comprises under(-)chassis, in the top frame directly over the described under(-)chassis be laid in vertical column between described under(-)chassis and the top frame; The top frame of described peripheral skeleton (1) and under(-)chassis are respectively arranged with a shoulder pole girder (8) of laterally laying, and the upper and lower end parts of described stair stringer (5) is fixedly supported on respectively up and down on two shoulder pole girders (8).
3. according to claim 1 or 2 described deep foundation pit construction cage ladders, it is characterized in that: side all is equipped with reinforced mesh (7) around the described peripheral skeleton (1).
4. according to the described deep foundation pit construction of claim 2 cage ladder, it is characterized in that: described under(-)chassis and top frame are rectangle, and the quantity of described vertical column is that 4 and 4 described vertical columns are laid in respectively between four drift angles of described under(-)chassis and top frame.
5. according to the described deep foundation pit construction of claim 2 cage ladder, it is characterized in that: side is provided with hanger (10) around the top frame of described peripheral skeleton (1).
6. according to the described deep foundation pit construction of claim 2 cage ladder, it is characterized in that: described fastening connection piece is a fastening bolt, is respectively arranged with a plurality of bolt mounting holes (9) that are used to install described fastening bolt on the top frame of described peripheral skeleton (1) and the under(-)chassis.
7. according to the described deep foundation pit construction of claim 4 cage ladder, it is characterized in that: described safeguard structure is four and is laid in peripheral skeleton (1) the X-shaped protective frame (3) of side all around respectively, the fender rod that described X-shaped protective frame (3) is laid by two intersections is composed of a fixed connection, and the upper and lower end parts of two fender rods is separately fixed at the junction between described vertical column and top frame and the under(-)chassis.
8. according to the described deep foundation pit construction of claim 2 cage ladder, it is characterized in that: described staircase is the corner stair.
9. according to the described deep foundation pit construction of claim 8 cage ladder, it is characterized in that: the height of described peripheral skeleton (1) is that 2.5m, longitudinal length are that 3.6m and its transverse width are 1.7m, described stair stringer (5) is laid and its longitudinal projection's length is 2m along the longitudinal length direction of peripheral skeleton (1), angle of inclination between described stair stringer (5) and the horizontal plane is 50 °, and the transverse width of described staircase is 750mm.
10. according to the described deep foundation pit construction of claim 2 cage ladder, it is characterized in that: described peripheral skeleton (1), stair stringer (5) and shoulder pole girder (8) are channel-section steel, and described hand rail (4) is a steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200262311U CN201962965U (en) | 2011-01-26 | 2011-01-26 | Cadge ladder for construction of deep base pit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200262311U CN201962965U (en) | 2011-01-26 | 2011-01-26 | Cadge ladder for construction of deep base pit |
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| Publication Number | Publication Date |
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| CN201962965U true CN201962965U (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200262311U Expired - Lifetime CN201962965U (en) | 2011-01-26 | 2011-01-26 | Cadge ladder for construction of deep base pit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995915A (en) * | 2012-11-19 | 2013-03-27 | 天津二建建筑工程有限公司 | Structure for connecting tilted stair with rest platform of prefabricated assembled detachable type foundation pit ladder |
| CN104674848A (en) * | 2015-02-16 | 2015-06-03 | 中交四航局第二工程有限公司 | Vertical temporary passage for entering and exiting immersed tube and construction method of vertical temporary passage |
| CN107939068A (en) * | 2017-12-25 | 2018-04-20 | 中铁四局集团第二工程有限公司 | A kind of foundation pit hangs lane device |
| CN108678357A (en) * | 2018-07-18 | 2018-10-19 | 广西建工集团第二安装建设有限公司 | A kind of moveable exterior wall auxiliary finishing cage ladder of reversely hung Yong |
| CN109610884A (en) * | 2018-10-26 | 2019-04-12 | 中国人民解放军32181部队 | A kind of auxiliary maintaining equipment for gadget rescue repairing |
| CN111119514A (en) * | 2020-02-13 | 2020-05-08 | 邱凤玲 | Combined ladder cage for constructional engineering |
| CN111733824A (en) * | 2020-06-04 | 2020-10-02 | 中国化学工程第六建设有限公司 | Deep foundation pit supporting structure |
-
2011
- 2011-01-26 CN CN2011200262311U patent/CN201962965U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995915A (en) * | 2012-11-19 | 2013-03-27 | 天津二建建筑工程有限公司 | Structure for connecting tilted stair with rest platform of prefabricated assembled detachable type foundation pit ladder |
| CN102995915B (en) * | 2012-11-19 | 2014-12-17 | 天津二建建筑工程有限公司 | Structure for connecting tilted stair with rest platform of prefabricated assembled detachable type foundation pit ladder |
| CN104674848A (en) * | 2015-02-16 | 2015-06-03 | 中交四航局第二工程有限公司 | Vertical temporary passage for entering and exiting immersed tube and construction method of vertical temporary passage |
| CN107939068A (en) * | 2017-12-25 | 2018-04-20 | 中铁四局集团第二工程有限公司 | A kind of foundation pit hangs lane device |
| CN108678357A (en) * | 2018-07-18 | 2018-10-19 | 广西建工集团第二安装建设有限公司 | A kind of moveable exterior wall auxiliary finishing cage ladder of reversely hung Yong |
| CN109610884A (en) * | 2018-10-26 | 2019-04-12 | 中国人民解放军32181部队 | A kind of auxiliary maintaining equipment for gadget rescue repairing |
| CN109610884B (en) * | 2018-10-26 | 2023-09-15 | 中国人民解放军32181部队 | Auxiliary maintenance equipment for rescuing and repairing radar equipment |
| CN111119514A (en) * | 2020-02-13 | 2020-05-08 | 邱凤玲 | Combined ladder cage for constructional engineering |
| CN111733824A (en) * | 2020-06-04 | 2020-10-02 | 中国化学工程第六建设有限公司 | Deep foundation pit supporting structure |
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| GR01 | Patent grant | ||
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Granted publication date: 20110907 |
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| CX01 | Expiry of patent term |