CN211548466U - Prefabricated staircase convenient to hoist and mount operation - Google Patents
Prefabricated staircase convenient to hoist and mount operation Download PDFInfo
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- CN211548466U CN211548466U CN201921785721.2U CN201921785721U CN211548466U CN 211548466 U CN211548466 U CN 211548466U CN 201921785721 U CN201921785721 U CN 201921785721U CN 211548466 U CN211548466 U CN 211548466U
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Abstract
The utility model discloses a prefabricated staircase convenient to hoist and mount operation, including can splicing first step component and second step component as an organic whole, the butt joint department of first step component is formed with the grafting strip, the butt joint department of second step component forms and supplies grafting strip male slot, linking seam between first step component and the second step component covers through the structure glue film. This scheme design is exquisite, and simple structure is prefabricated respectively through dividing into two ladder components with the stair main part, assembles together through certain assembly structure after the prefabrication to the weight of single ladder component of reduction that can be very big, thereby the hoist and mount ability of the relatively less tower crane of adaptation, the effectual requirement to equipment that has reduced, and the assembly is simple and easy.
Description
Technical Field
The utility model belongs to the technical field of prefabricated staircase and specifically relates to prefabricated staircase convenient to hoist and mount operation.
Background
The traditional concrete cast-in-place stair construction method is old, the construction process is complicated, the construction period is long, and the general applicability is not available, so that the construction cost of the building is increased. In order to shorten the construction period and improve the quality of the stairs, the development of the prefabricated stairs gradually becomes a trend.
As patent application number is 201720420718.5 discloses prefabricated staircase, its holistic often is great, and in some tower crane application occasions that hoist and mount bearing capacity is less relatively, the tower crane can't effectually be assembled prefabricated staircase hoist, and this has just seriously improved the requirement to lifting device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prefabricated staircase convenient to hoist and mount operation in order to solve the above-mentioned problem that exists among the prior art exactly.
The purpose of the utility model is realized through the following technical scheme:
prefabricated staircase convenient to hoist and mount operation, including first step component and the second step component that can splice as an organic whole, the butt joint face department of first step component is formed with the grafting strip, the butt joint face department of second step component forms and supplies grafting strip male slot, linking seam between first step component and the second step component covers through the structure glue film.
Preferably, prefabricated staircase convenient to hoist operation in, the upper and lower both ends at least of the butt joint face of first step component be provided with respectively with butt joint face vertically retaining member, the front end of retaining member is provided with can stretch out its side outer unsteady round pin, form on the butt joint face of second step component and supply every the first connecting groove that the retaining member matches, first connecting groove and second connecting groove intercommunication, the retaining member peg graft extremely during the first connecting groove, unsteady round pin can stretch into in the second connecting groove.
Preferably, in the prefabricated staircase convenient to hoist and mount operation, the retaining member includes the grafting post, the front end of grafting post is formed with two at least spouts, is provided with a floating pin in every spout slidable, be provided with the spring between the tank bottom of floating pin and spout.
Preferably, in the prefabricated staircase convenient to hoist and mount operation, the extending direction of the second connecting groove is perpendicular to the step surface of the second step member and extends to the upper surface or the lower surface of the step surface.
Preferably, in the prefabricated staircase convenient for hoisting operation, the insertion strips are a plurality of insertion plates parallel to part of the step surfaces of the first step member, through holes are formed in the insertion plates, the insertion slots correspond to the insertion plates one to one, and connecting holes corresponding to the through holes are formed in the steps of the second step member.
Preferably, in the prefabricated staircase convenient for hoisting operation, the cross section of the insertion strip is in a trapezoidal or L shape with a large outer end surface and a small inner end surface, and the insertion slot is in a shape consistent with the insertion strip.
Preferably, in the prefabricated staircase convenient to hoist and mount operation, a reserved screw hole far away from the butt joint face is formed on each step face of the first step member and/or the second step member.
Preferably, in the prefabricated staircase convenient to hoist and mount operation, the bottom surfaces of the first step and the last step of the first step component and the second step component are respectively provided with a silica gel cushion layer.
The utility model discloses technical scheme's advantage mainly embodies:
this scheme design is exquisite, and simple structure is prefabricated respectively through dividing into two ladder components with the stair main part, assembles together through certain assembly structure after the prefabrication to the weight of single ladder component of reduction that can be very big, thereby the hoist and mount ability of the relatively less tower crane of adaptation, the effectual requirement to equipment that has reduced, and the assembly is simple and easy.
This scheme sets up the locking piece on first step component, reserves the slot on the second step component, and the connection of realization first step component that can be quick and second step component is fixed, and need not carry out fixing between them through extra bolt, nut etc. the equipment of being convenient for.
The grafting strip of this scheme adopts dull and stereotyped form with the bolt, and on the one hand the machine-shaping of being convenient for, on the other hand is convenient for carry out the fixed of first step component and second base member through bolt and nut.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a sectional view of the present invention in a combined state (obtained by cutting each step in a section perpendicular to each step and parallel to the front side of the step);
FIG. 3 is a sectional view of the insertion strip and the insertion slot on any step of the present invention;
fig. 4 is a sectional view of the first step member and the second step member of the present invention in a disassembled state (obtained by cutting each step with a section perpendicular to each step and parallel to the front side of the step);
FIG. 5 is a schematic view showing a state where the locker of the present invention is not completely inserted into the first coupling groove;
fig. 6 is a schematic view showing a state where the locker of the present invention is completely inserted into the first coupling groove.
Detailed Description
Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are merely exemplary embodiments for applying the technical solutions of the present invention, and all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention.
In the description of the embodiments, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.
The utility model discloses a prefabricated staircase convenient to hoist and mount operation explains below combining the attached drawing, as shown in FIG. 1, FIG. 2, it is including splicing first step component 1 and second step component 2 as an organic whole, first step component 1 and second step component 2 include the step of the same progression, and their concatenation back together, the step face parallel and level of every step.
The first step member 1 and the second step member 2 are formed by pouring reinforcing mesh and concrete, and the specific processing technology thereof is known technology and will not be described herein.
As shown in fig. 2, the insertion strip 11 is formed at the butt joint surface of the first step member 1, the insertion slot 21 for inserting the insertion strip is formed at the butt joint surface of the second step member 2, during assembly, the insertion strip 11 is inserted into the insertion slot 21, so that the position accuracy between the first step member 1 and the second step member 2 is ensured, and after splicing is completed, a joint seam between the first step member 1 and the second step member 2 is covered by the structural adhesive layer 3.
The inserting strip 11 may be in various feasible forms, in a feasible embodiment, the inserting strip 11 is an oblique strip having the same gradient as that of the first step member 1, and the oblique strip may have a vertical strip perpendicular to the horizontal plane, and meanwhile, the inserting strip 11 is preferably a steel plate embedded in the first step member 1, the arrangement and the material of the vertical strip may preferably enhance the structural strength of the inserting strip 11, so as to ensure the structural strength after the integral assembly, and the inserting groove has a shape corresponding to the inserting strip 11, which is not described herein again.
In another embodiment, as shown in fig. 3, the cross section of the insertion strip 11 is a trapezoid or L-shape with a large outer end surface and a small inner end surface, the insertion slot has a shape consistent with the insertion strip 11, and the insertion strip of the first step member can be inserted downwards from the upper end of the insertion slot during assembly.
In another embodiment, as shown in fig. 4, the plugging bar 11 is a plurality of plugging plates 112 parallel to a portion of the step surface of the first step member 1, each of the plugging plates 112 is formed with a through hole 111, the inserting grooves 21 correspond to the plugging plates one to one, and the step of the second step member 1 is formed with a connecting hole 24 corresponding to each through hole 111, each of the plugging plates 112 is plugged into the inserting groove 21, and a nut (not shown) is connected after the bolt (not shown) is inserted into the connecting hole and passes through the through hole 111, so that the first step member 1 and the second step member 2 can be fixed.
Further, in order to ensure the connection firmness of the first step member 1 and the second step member 2, as shown in fig. 4 and 5, locking members 4 perpendicular to the abutting surface are respectively disposed at least at the upper and lower ends of the abutting surface of the first step member 1, and the locking members 4 may be embedded in the first step member 1 or may be subsequently connected to the first step member by bolts or the like. The locking member 4 is perpendicular to the abutting surface of the first member 1, a floating pin 41 capable of extending out of the side surface of the locking member 4 is arranged at the front end of the locking member 4, the floating pin 41 extends out of the side wall of the floating pin under normal conditions, a first connecting groove 22 for matching each locking member 4 is formed on the abutting surface of the second step member 2, namely, the first connecting groove 22 is perpendicular to the abutting surface of the second step member 2, the first connecting groove 22 is communicated with at least one second connecting groove 23, the second connecting groove is positioned at the side edge of the first connecting groove 22, and when the locking member 4 is inserted into the first connecting groove 22, the floating pin 41 can extend into the second connecting groove 23, so that the first step member 1 and the second step member are locked.
Specifically, as shown in fig. 6, the locking member 4 includes an insertion column 42, at least two sliding grooves 43 are formed at the front end of the insertion column 42, a floating pin 41 is slidably disposed in each sliding groove 43, and a spring 44 is disposed between the floating pin 41 and the bottom of the sliding groove 43; meanwhile, the second connection groove 23 extends in a direction perpendicular to the step surface of the second step member 2, and extends to an upper surface or a lower surface of the step surface. Therefore, when the unlocking is needed, the locking piece 4 can be pulled out from the first connecting groove to separate the first step component and the second step component by extending a pin into the second connecting groove 23 and applying a pushing force to the floating pin 41 to withdraw the floating pin 41 from the second connecting groove 23.
In addition, in order to ensure the connection firmness, more locking pieces can be added on the first step component, so that the connection points of the first step component and the second step component can be increased, the connection reliability is ensured, the complexity of a single locking piece and a single inserting strip is reduced, and the bearing capacity is improved.
As shown in fig. 1, a reserved screw hole far from the butt joint surface is formed on each step surface of the first step member 1 and/or the second step member 2, and the reserved screw hole 5 is used for connecting a handrail.
Finally, in order to improve the anti-seismic performance of the whole stair, silica gel cushion layers (not shown in the figure) are attached to the bottom surfaces of the first step and the last step of the first stair component 1 and/or the second stair component 2 through waterproof glue respectively.
The utility model has a plurality of implementation modes, and all technical schemes formed by adopting equivalent transformation or equivalent transformation all fall within the protection scope of the utility model.
Claims (8)
1. Prefabricated stair convenient to hoist and mount operation, its characterized in that: including first step component (1) and assorted second step component (2) that can splice as an organic whole, the butt joint face department of first step component (1) is formed with grafting strip (11), the butt joint face department of second step component (2) forms and supplies grafting strip male slot (21), linking seam between first step component (1) and second step component (2) covers through structure glue film (3).
2. The prefabricated staircase convenient for hoisting operation of claim 1, characterized in that: the upper and lower both ends of the at least of butt joint face of first step component (1) are provided with respectively with butt joint face vertically retaining member (4), the front end of retaining member (4) is provided with can stretch out its side outer floating pin (41), form on the butt joint face of second step component (2) and every retaining member (4) first connecting groove (22) that match, first connecting groove (22) and second connecting groove (23) intercommunication, retaining member (4) peg graft extremely during in first connecting groove (22), floating pin (41) stretch into in second connecting groove (23).
3. The prefabricated staircase convenient for hoisting operation of claim 2, characterized in that: the locking piece (4) comprises an insertion column (42), at least two sliding grooves (43) are formed in the front end of the insertion column (42), a floating pin (41) is slidably arranged in each sliding groove (43), and a spring (44) is arranged between each floating pin (41) and the bottom of each sliding groove (43).
4. The prefabricated staircase convenient for hoisting operation of claim 2, characterized in that: the extending direction of the second connecting groove (23) is vertical to the step surface of the second step component (2), and the second connecting groove extends to the upper surface or the lower surface of the step surface.
5. The prefabricated staircase convenient for hoisting operation of claim 1, characterized in that: the plug-in strips (11) are a plurality of plug-in boards parallel to partial step surfaces of the first step component (1), through holes (111) are formed in the plug-in boards, the slots (21) correspond to the plug-in boards one by one, and connecting holes (24) corresponding to the through holes (111) are formed in the steps of the second step component (1).
6. The prefabricated staircase convenient for hoisting operation of claim 1, characterized in that: the section of the plug-in strip (11) is in a trapezoid shape or an L shape with a large outer end face and a small inner end face, and the slot is in a shape consistent with the plug-in strip (11).
7. The prefabricated staircase convenient for hoisting operation of any one of claims 1 to 6, characterized in that: and each step surface of the first step component and/or the second step component is provided with a reserved screw hole far away from the butt joint surface.
8. The prefabricated staircase convenient for hoisting operation of any one of claims 1 to 6, characterized in that: and the bottom surfaces of the first step and the last step of the first step component and the second step component are respectively provided with a silica gel cushion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921785721.2U CN211548466U (en) | 2019-10-23 | 2019-10-23 | Prefabricated staircase convenient to hoist and mount operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921785721.2U CN211548466U (en) | 2019-10-23 | 2019-10-23 | Prefabricated staircase convenient to hoist and mount operation |
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| CN211548466U true CN211548466U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921785721.2U Active CN211548466U (en) | 2019-10-23 | 2019-10-23 | Prefabricated staircase convenient to hoist and mount operation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895088A (en) * | 2021-01-19 | 2021-06-04 | 陕西中天建筑工业有限公司 | Prefabricated staircase mold and processing technology of prefabricated staircase |
| CN113719044A (en) * | 2021-09-02 | 2021-11-30 | 垒智设计集团有限公司 | Connecting joint of prefabricated staircase and construction method thereof |
-
2019
- 2019-10-23 CN CN201921785721.2U patent/CN211548466U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895088A (en) * | 2021-01-19 | 2021-06-04 | 陕西中天建筑工业有限公司 | Prefabricated staircase mold and processing technology of prefabricated staircase |
| CN112895088B (en) * | 2021-01-19 | 2022-03-11 | 陕西中天建筑工业有限公司 | Prefabricated staircase mold and processing technology of prefabricated staircase |
| CN113719044A (en) * | 2021-09-02 | 2021-11-30 | 垒智设计集团有限公司 | Connecting joint of prefabricated staircase and construction method thereof |
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