CN214575209U - Stair of piece formula assembly - Google Patents

Stair of piece formula assembly Download PDF

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Publication number
CN214575209U
CN214575209U CN202022843273.6U CN202022843273U CN214575209U CN 214575209 U CN214575209 U CN 214575209U CN 202022843273 U CN202022843273 U CN 202022843273U CN 214575209 U CN214575209 U CN 214575209U
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Prior art keywords
ladder
stair
hydrant
running ladder
running
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CN202022843273.6U
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Chinese (zh)
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黄向攀
王海泉
张明敏
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Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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Abstract

The utility model discloses a stair of sectional formula assembly, including left side running ladder and beam slab, right side running ladder is installed on the right side of left side running ladder, and the right side running ladder mounting bracket all around is equipped with the template, the beam slab is connected in the both ends of left side running ladder, and the middle part of beam slab is provided with the hole strengthening rib that disappears, the middle part one side embedding of the hole strengthening rib that disappears has the hole that disappears, and the laminating of the inner wall all around in the hole that disappears has the bolt that disappears, the top of the bolt that disappears is connected with the anchor head. This stair of piecemeal formula assembly are provided with first step, second step and third step constitute fixed connection through shear pin and pinhole, when the user need assemble the operation to the ladder of running on a left side, in order to save daily required manpower and materials of assembly and assembly efficiency process as far as, the user can be with the ladder of original integration change into first step respectively, second step and third step, can save required time of a dress nail ladder frame of workman and strength.

Description

Stair of piece formula assembly
Technical Field
The utility model relates to a building stair construction technical field specifically is a stair of segment formula assembly.
Background
At present, the cast-in-place stair of reinforced concrete is generally adopted in the residential building, cast-in-place stair concrete placement, appearance shaping quality are influenced by human factors such as operating personnel technical level and responsibility greatly, and in addition, the template of cast-in-place stair is erected complicatedly, takes time and labor, and this has influenced the time limit for a project to a certain extent. By adopting the stair step plate early-stage prefabrication and later-stage installation technology, the construction period can be saved while the quality of the stair step plate is ensured.
When the assembly stairway in the market is used, if the large-span single-running stair section plate is integrally prefabricated, the application range of the advantageous technology can be limited, the stairway of a tower-type high-rise residence is generally arranged in a structural core cylinder, the distance between a tower crane and a stairwell in the construction stage is large, if the single-running integral prefabricated stair section plate is adopted, the dead weight of the stair section plate can exceed the lifting capacity of a mainstream tower crane model in the construction of the current high-rise residence, the cost of upgrading the tower crane model can be very high, and therefore the stair assembled in a split type mode is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stair of segment formula assembly, if carry out whole prefabrication to the long-span list race stair section board to providing in solving above-mentioned background art, can restrict the range of application of this dominant technique, the stair of tower high-rise residence are generally laid in a structural core section of thick bamboo, this means that the distance of construction stage tower crane and staircase is great, if adopt the whole prefabricated stair section board of list race, can make the stair section board dead weight exceed the lifting capacity of mainstream tower crane model in the construction of current high-rise residence, and the cost of upgrading the tower crane model can very high problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stair of burst formula assembly, includes left running ladder and beam slab, right running ladder is installed on the right side of left side running ladder, and the mounting bracket all around of right running ladder is equipped with the template, the beam slab is connected in the both ends of left running ladder, and the middle part of beam slab is provided with the hole strengthening rib that disappears, the middle part one side embedding of the hole strengthening rib that disappears has the hole that disappears, and the inner wall laminating all around in the hole that disappears has the bolt that disappears, the top of the bolt that disappears is connected with the anchor head, the both sides symmetric distribution of left side running ladder has pre-buried nail of hanging, and the pre-buried inboard symmetry of hanging the nail is provided with the anti-shear pin, the inner wall laminating of anti-shear pin has the pinhole, first ladder board is installed in the left side of left side running ladder, and the right-hand member of first ladder board is connected with the second ladder board, the right-hand member of second ladder board is connected with the third ladder board, the laminating of the bottom of left side running ladder board has the tiling board muscle.
Preferably, the first ladder plate, the second ladder plate and the third ladder plate are fixedly connected with the pin holes through shear pins, and the outer wall sizes of the shear pins and the inner wall sizes of the pin holes are mutually attached.
Preferably, the embedded hanging nails are symmetrically distributed along the vertical central axis of the left running ladder, and six embedded hanging nails are arranged.
Preferably, the left running ladder is fixedly connected with the hydrant and the beam plate through the hydrant holes, and the hydrant holes and the hydrant are symmetrically distributed along the vertical central axis of the left running ladder.
Preferably, left side runway is the fork form with right side runway and distributes, and the both ends of left side runway and right side runway are the horizontality and distribute.
Preferably, the tiling lath is the slope form and distributes, and the bottom size of tiling lath and the bottom size of template laminate each other.
Compared with the prior art, the beneficial effects of the utility model are that: this stair of piecemeal assembly are provided with first step, second step and third step constitute fixed connection through shear pin and pinhole, when the user need be to left side running ladder assembly operation, in order to save daily required manpower and materials of assembly and assembly efficiency process as far as, the user can be with the ladder of original integration change into first step respectively, second step and third step, can save required time and strength of a dress nail ladder frame of workman, insert shear pin in two boards handing-over department through size looks matching between shear pin and the pinhole after that, in order to reach the beneficial effect that three boards are connected and are firm and the intensity is stable, prefabricate in earlier stage like this adoption stair section board, later stage installation technique can also practice thrift the time limit for a project when guaranteeing the ladder section board quality.
The embedded hanging nails are symmetrically distributed along the vertical central axis of the left running ladder, after a user finishes concrete pouring of the assembly template, the embedded hanging nails which are pre-reserved in the early stage can be installed by the user to remove the split type template to be removed through a crane or other hoisting devices.
The left running ladder is fixedly connected with the hydrant and the beam plate through the hydrant hole, the connecting templates at the two ends of the left running ladder are fixedly mounted above the middle part of the beam plate through the hydrant hole and the hydrant, the integral supporting force and the stable structure of the stair can be increased, and the situation that the safety accident cannot be recovered due to the fact that the stair frame cannot be supported and is broken and collapsed due to the bad phenomenon is avoided under the pouring operation is avoided.
Drawings
Fig. 1 is a schematic view of the top view of the internal structure of the present invention;
FIG. 2 is a schematic structural view of a deepened design drawing of the piece-type assembled staircase of the present invention;
FIG. 3 is a schematic view of the overall effect structure of the piece-type assembled staircase of the present invention;
FIG. 4 is the schematic diagram of the internal amplification structure of the beam plate of the present invention
In the figure: 1. a left running ladder; 2. a right running ladder; 3. a template; 4. a beam plate; 5. a hydrant hole reinforcing rib; 6. a plug hole is eliminated; 7. pre-burying a hanging nail; 8. a shear pin; 9. a pin hole; 10. a first riser; 11. a second riser; 12. a third riser; 13. flatly laying the plate ribs; 14. eliminating thrombus; 15. an anchor head.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a stair assembled in a split mode comprises a left running ladder 1, a right running ladder 2, a template 3, a beam plate 4, a hydrant hole reinforcing rib 5, a hydrant hole 6, embedded hanging pins 7, shear pins 8, pin holes 9, a first ladder plate 10, a second ladder plate 11, a third ladder plate 12, a tiled plate rib 13, a hydrant 14 and anchor heads 15, wherein the right running ladder 2 is installed on the right side of the left running ladder 1, the template 3 is installed on a peripheral installation frame of the right running ladder 2, the beam plate 4 is connected to two ends of the left running ladder 1, the hydrant hole reinforcing rib 5 is arranged in the middle of the beam plate 4, the hydrant hole 6 is embedded in one side of the middle of the hydrant hole reinforcing rib 5, the hydrant 14 is attached to the peripheral inner wall of the hydrant hole 6, the anchor heads 15 are connected to the top ends of the hydrant 14, the embedded hanging pins 7 are symmetrically distributed on two sides of the left running ladder 1, the shear pins 8 are symmetrically arranged on the inner side of the embedded hanging pins 7, the pin holes 9 are attached to the inner wall of the shear pins 8, first step 10 is installed in the left side of a left side running ladder 1, and the right-hand member of first step 10 is connected with second step 11, and the right-hand member of second step 11 is connected with third step 12, and the bottom laminating of a left side running ladder 1 has tiling lath 13.
In the utility model, the first ladder board 10, the second ladder board 11 and the third ladder board 12 are fixedly connected with the pin holes 9 through the shear pins 8, and the outer wall size of the shear pins 8 and the inner wall size of the pin holes 9 are mutually jointed, when a user needs to assemble the left running ladder 1, in order to save manpower, material resources and assembling efficiency processes required by daily assembly as much as possible, the user can respectively replace the originally integrated ladder with the first ladder plate 10, the second ladder plate 11 and the third ladder plate 12, so that the time and the labor required by one nailing ladder frame can be saved, the shear pin 8 is then inserted at the plate interface by dimensional matching between the shear pin 8 and the pin hole 9, the beneficial effects of stable three-plate connection and stable strength are achieved, and the construction period can be saved while the quality of the stair section plate is ensured by adopting the stair section plate early-stage prefabrication and later-stage installation technology;
the embedded hanging nails 7 are symmetrically distributed along the vertical central axis of the left running ladder 1, six embedded hanging nails 7 are arranged, when a user finishes concrete pouring of the assembly template 3, the user can remove the split template 3 to be removed through a crane or other lifting devices by mounting the reserved embedded hanging nails 7 in the early stage, compared with the original assembled stair template 3, the time and the energy wasted by single removal operation are saved for the user, and the six embedded hanging nails 7 are arranged, so that the balance and the stability of the template 3 removal operation are improved as much as possible, and the danger of the lifting and removing operation is reduced;
the left running ladder 1 is fixedly connected with the hydrant 14 and the beam plate 4 through the hydrant holes 6, the hydrant holes 6 and the hydrant 14 are symmetrically distributed along the vertical central axis of the left running ladder 1, the connecting templates 3 at the two ends of the left running ladder 1 are fixedly arranged above the middle part of the beam plate 4 through the hydrant holes 6 and the hydrant 14, the integral supporting force and the stable structure of the stair can be increased, and the irreparable safety accident caused by the poor phenomenon that the stair frame is not supported and is broken and collapsed under the pouring operation is avoided;
the left running ladder 1 and the right running ladder 2 are distributed in a crossed manner, two ends of the left running ladder 1 and the right running ladder 2 are distributed in a horizontal manner, two-way running ladders which are arranged one above the other are arranged between each layer of ladder in a mirror image manner, the occupied space is not influenced, the integrity of concrete pouring operation is improved as much as possible, a user can pour the left running ladder 1 and the right running ladder 2 simultaneously in one pouring operation, convenience is brought to constructors, and the trouble of secondary pouring is avoided;
tiling lath 13 is the slope form and distributes, and the bottom size of tiling lath 13 and template 3's bottom size laminate each other, installs tiling lath 13 in the bottom tiling of template 3, and through the intercommunication alternately that 13 its self lath bars of tiling lath all-round reaches, can increase cast-in-place ladder holistic bearing nature and stable structure, the cracked bad phenomenon of ladder board appears when ladder board concrete placement takes place in avoiding appearing.
The working principle is as follows: for the stair assembled in a piece-by-piece mode, firstly, when a user needs to assemble the left running stair 1, in order to save manpower, material resources and assembly efficiency process required by daily assembly as much as possible, the user can respectively replace the originally integrated stairs into the first stair tread 10, the second stair tread 11 and the third stair tread 12, so that time and labor required by one nailing ladder frame can be saved, then the shear pins 8 are inserted into the joints of the two stairs through the size matching between the shear pins 8 and the pin holes 9, so that the beneficial effects of stable three-board connection and stable strength are achieved, the stair section boards are prefabricated in the early stage and installed in the later stage like this, the construction period can be saved while the quality of the stair section boards is ensured, and after the concrete pouring of the assembly template 3 is finished, the user can dismantle the piece-by installing the pre-embedded hanging nails 7 reserved in the early stage through a crane or other hoisting devices, compared with the stair template 3 assembled originally, the time and energy wasted by single dismantling operation are saved for a user, six embedded hanging nails 7 are arranged, the balance and the stability of the dismantling operation of the template 3 are improved as much as possible, and the danger of the dismantling operation by hanging is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a stair of burst formula assembly, includes left side running ladder (1) and beam slab (4), its characterized in that: the right running ladder (2) is installed on the right side of the left running ladder (1), the templates (3) are arranged on the peripheral installation frame of the right running ladder (2), the beam plates (4) are connected to the two ends of the left running ladder (1), the middle of each beam plate (4) is provided with a hydrant hole reinforcing rib (5), one side of the middle of each hydrant hole reinforcing rib (5) is embedded with a hydrant hole (6), the periphery inner walls of the hydrant holes (6) are attached with hydrant bolts (14), the top ends of the hydrant holes (14) are connected with anchor heads (15), two sides of the left running ladder (1) are symmetrically distributed with pre-buried hanging nails (7), anti-shear pins (8) are symmetrically arranged on the inner sides of the pre-buried hanging nails (7), pin holes (9) are attached to the inner walls of the anti-shear pins (8), a first ladder plate (10) is installed on the left side of the left running ladder (1), and the right end of the first ladder plate (10) is connected with a second ladder plate (11), the right-hand member of second step (11) is connected with third step (12), the bottom laminating of left side runway ladder (1) has tiling slab muscle (13).
2. The stair of claim 1 assembled in segments, wherein: first step (10), second step (11) and third step (12) constitute fixed connection through shear pin (8) and pinhole (9), and the outer wall size of shear pin (8) and the inner wall size formation of pinhole (9) are laminated each other.
3. The stair of claim 1 assembled in segments, wherein: the embedded hanging nails (7) are symmetrically distributed along the vertical central axis of the left running ladder (1), and six embedded hanging nails (7) are arranged.
4. The stair of claim 1 assembled in segments, wherein: the left running ladder (1) is fixedly connected with the hydrant (14) and the beam plate (4) through the hydrant hole (6), and the hydrant hole (6) and the hydrant (14) are symmetrically distributed along the vertical central axis of the left running ladder (1).
5. The stair of claim 1 assembled in segments, wherein: the left running ladder (1) and the right running ladder (2) are distributed in a crossed manner, and the two ends of the left running ladder (1) and the two ends of the right running ladder (2) are distributed in a horizontal manner.
6. The stair of claim 1 assembled in segments, wherein: tiling lath (13) are the slope form and distribute, and the bottom size of tiling lath (13) and the bottom size of template (3) are laminated each other.
CN202022843273.6U 2020-12-02 2020-12-02 Stair of piece formula assembly Active CN214575209U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022843273.6U CN214575209U (en) 2020-12-02 2020-12-02 Stair of piece formula assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022843273.6U CN214575209U (en) 2020-12-02 2020-12-02 Stair of piece formula assembly

Publications (1)

Publication Number Publication Date
CN214575209U true CN214575209U (en) 2021-11-02

Family

ID=78330325

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022843273.6U Active CN214575209U (en) 2020-12-02 2020-12-02 Stair of piece formula assembly

Country Status (1)

Country Link
CN (1) CN214575209U (en)

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