CN210316278U - Multifunctional safety protection stair - Google Patents
Multifunctional safety protection stair Download PDFInfo
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- CN210316278U CN210316278U CN201920674603.8U CN201920674603U CN210316278U CN 210316278 U CN210316278 U CN 210316278U CN 201920674603 U CN201920674603 U CN 201920674603U CN 210316278 U CN210316278 U CN 210316278U
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Abstract
The utility model provides a multifunctional safety protection stair, which comprises a peripheral base frame, wherein the bottom of the peripheral base frame is provided with a first passage port, the top of the peripheral base frame is provided with a second passage port, a walking channel with two ends respectively connected with the first passage port and the second passage port is arranged inside the peripheral base frame, the first passage port is provided with a first pedal extending horizontally, and the second passage port is provided with a second pedal extending horizontally; the periphery of the peripheral bed frame is provided with a telescopic supporting rod which can horizontally extend out of the peripheral bed frame and is arranged on the external ladder beam in a bridging manner so as to form connection with the external ladder beam; the bottom of the peripheral base frame is also provided with supporting legs which are vertically abutted against a rest platform of a constructed floor to support the peripheral base frame, and the supporting legs are detachably arranged at the bottom of the peripheral base frame. The utility model provides a many functional safety protection stair not only can set up and use in the bottom of stair entrance to a cave, also can set up and use on the floor of having constructed, and its is multiple functional, and application scope is wide.
Description
Technical Field
The utility model belongs to the technical field of the assembly type construction, more specifically say, relate to a many functional safety protection stair.
Background
According to the characteristics of the engineering building layout, the house adopts an assembled concrete structure, the prefabrication rate is more than 20.0%, and the assembly rate is more than 50%; the skirt houses and the underground garages are of reinforced concrete frame structure systems. The building structure system is as follows: the aluminum die and part of the prefabricated parts are used as a frame shear wall system and a frame structure system. During the field construction, the construction sequence of the second floor and the standard floor of the fabricated building is that the prefabricated stairs are installed by firstly pouring the wall columns and the beam plates of the standard floor and then hoisting, and workers and managers can conveniently go up and down the safety channel when the stairs are not hoisted, and before the stairs are not hoisted, the stair opening needs safety protection. However, the existing assembled protective stairway has limited installation positions and can only be installed at the place with level ground.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a many functional safety protection stair to the assembled protection stair that exist among the solution prior art can only install the local technical problem in ground parallel and level.
In order to achieve the above object, the utility model adopts the following technical scheme: the multifunctional safety protection stair comprises a peripheral base frame, wherein a first passage port is formed in the bottom of the peripheral base frame, a second passage port is formed in the top of the peripheral base frame, a walking channel with two ends respectively connected with the first passage port and the second passage port is formed in the peripheral base frame, a first pedal extending horizontally is arranged at the first passage port, and a second pedal extending horizontally is arranged at the second passage port; the periphery of the peripheral bed frame is provided with a telescopic strut which can horizontally extend out of the peripheral bed frame and is erected on the external ladder beam to form connection with the external ladder beam; the bottom of the peripheral base frame is also provided with supporting legs which are used for vertically abutting against a rest platform of a constructed floor to support the peripheral base frame, and the supporting legs are detachably arranged at the bottom of the peripheral base frame.
Furthermore, the peripheral base frame is provided with a first side and a second side which are oppositely arranged, and the first pedal and the second pedal horizontally extend out of the bottom and the top of the first side respectively; the supporting legs are long strips, two supporting legs are arranged at the bottom of the peripheral base frame, the two supporting legs are respectively supported on the second side edge of the peripheral base frame, and the two supporting legs are arranged at intervals.
Further, the height of the supporting feet is set to be equal to the vertical height between two adjacent rest platforms in the constructed floor.
Furthermore, the peripheral bed frame comprises a bottom frame, a top frame and longitudinal beam groups, wherein the top frame is opposite to the bottom frame and arranged at intervals, and the longitudinal beam groups are respectively connected between the bottom frame and the top frame.
Furthermore, the bottom frame is a rectangular frame formed by sequentially connecting four first beams end to end, the top frame is a rectangular frame formed by sequentially connecting four second beams end to end, and the top frame and the bottom frame are the same in size and shape; the longitudinal beam group comprises first longitudinal beams and second longitudinal beams, the four first longitudinal beams are respectively connected between four corners of the top frame and the bottom frame, and the two second longitudinal beams are respectively connected between two long edges corresponding to the top frame and the bottom frame.
Preferably, the two support legs are respectively installed on two first longitudinal beams located on the second side through two first connecting sleeves, one end of each first connecting sleeve is sleeved on the corresponding first longitudinal beam, and the other end of each first connecting sleeve is sleeved at the top end of each support leg.
Furthermore, the cross section of the supporting leg is square; the cross section of the first connecting sleeve is U-shaped, the first connecting sleeve is made of plastic materials, and the first connecting sleeve can be plastically deformed under the action of external force; the supporting legs with first connecting sleeve sets up to interference fit and connects, first connecting sleeve with first longeron sets up to interference fit and connects.
Preferably, the support foot is detachably mounted to the first longitudinal beam by a fastener.
Further, the peripheral base frame further comprises a third side and a fourth side which are oppositely arranged, and the third side is respectively adjacent to the first side and the second side; the telescopic supporting rod is arranged at the bottom of the fourth side and can extend out of the first side.
Furthermore, telescopic strut passes through the scalable locating of second adapter sleeve on the long limit first crossbeam of bottom frame, the second adapter sleeve is fixed to be located the first crossbeam outside, first spout has been seted up at second adapter sleeve center, telescopic strut locates in order to form extending structure on the first spout.
The utility model provides a many functional safety protection stair's beneficial effect lies in: compared with the prior art, the utility model discloses a many functional safety protection stair are through the setting of first footboard, second footboard, telescopic strut and supporting legs to make this many functional safety protection stair not only can set up and use in the bottom of stair entrance to a cave, also can set up and use on with the construction floor, can set up even and use in the smooth place in arbitrary bottom, thereby make this many functional safety protection stair multiple functional, application scope is wider.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic perspective view of a multifunctional safety protection staircase according to an embodiment of the present invention;
fig. 2 is an application schematic view of a multifunctional safety protection staircase according to an embodiment of the present invention;
fig. 3 is a schematic top view of a multifunctional safety protection staircase according to an embodiment of the present invention;
fig. 4 is a schematic front view of a multifunctional safety protection staircase according to a first embodiment of the present invention;
fig. 5 is a schematic side view of a multifunctional safety protection staircase according to a first embodiment of the present invention;
FIG. 6 is a partial enlarged view of portion B of FIG. 5;
FIG. 7 is a schematic cross-sectional view of FIG. 6;
fig. 8 is a schematic structural view of a supporting leg provided by the second embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-a peripheral pedestal; 2-a walking channel; 3-a perimeter fence; 4-top rail; 5-a first pedal; 6-a second pedal; 9-telescopic supporting rod; 10-supporting feet; 11-bottom border; 12-a top rim; 13-longitudinal beam group; 14-a first passage port; 15-a second access; 17-a first side; 18-a second side; 19-a third side; 20-fourth side; 21-floor components; 22-resting platform; 31-a first perimeter barrier; 32-a second peripheral guard rail; 41-a third stringer; 42-a third rail; 101-a bump; 111-a first beam; 121-a second beam; 131-a first stringer; 132-a second stringer; 300-a second connecting sleeve; 310-a first runner; 311-a first rail; 312-a first upright; 321-second railing.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. 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.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The first embodiment is as follows:
referring to fig. 1 and fig. 2, the multi-functional safety stair of the present invention will now be described. The multifunctional safety protection stair is mainly used for assembly type construction, and during site construction, when the assembly type building second floor and the standard floor are constructed in the sequence that wall columns and beam plates of the standard floor are poured firstly and prefabricated stairs are installed in a hoisting mode, and when the stairs are not hoisted, workers and managers can conveniently go up and down the safety channel of the floor. Certainly, in other embodiments of the utility model, according to actual conditions and specific requirements, above-mentioned multi-functional safety protection stair can also be used in other places, for example when the outer wall is decorated, do not do the only restriction here.
The multifunctional safety protection stair comprises a peripheral base frame 1, wherein a first passage port 14 is formed in the bottom of the peripheral base frame 1, a second passage port 15 is formed in the top of the peripheral base frame 1, a walking passage 2 is arranged in the peripheral base frame 1, the two ends of the walking passage 2 are respectively connected with the first passage port 14 and the second passage port 15, a first pedal 5 extending horizontally is arranged at the first passage port 14, and a second pedal 6 extending horizontally is arranged at the second passage port 15. The periphery of the peripheral bed frame 1 is provided with a telescopic strut 9 which can horizontally extend out of the peripheral bed frame 1 and is arranged on the external ladder beam in a bridging manner so as to form connection with the external ladder beam. The bottom of the peripheral pedestal 1 is further provided with supporting legs 10 which are used for vertically abutting against a rest platform 22 of a constructed floor to support the peripheral pedestal 1, and the supporting legs 10 are detachably arranged at the bottom of the peripheral pedestal 1.
The utility model discloses a multifunctional protective stair, when needing to be arranged on the bottom layer of the stair opening, can form connection with the external ladder beam through the telescopic supporting rod 9, thereby ensuring the whole multifunctional protective stair to be installed stably; referring to fig. 2, when it is needed to be installed above a floor, the supporting legs 10 can be vertically abutted against the rest platform 22 of the floor, the first pedal 5 is installed on the bottom construction platform of the working floor, and the second pedal 6 is installed on the top construction platform of the working floor.
The utility model provides a multi-functional safety protection stair are through the setting of first footboard 5, second footboard 6, telescopic strut 9 and supporting legs 10 to make this multi-functional protection stair not only can set up and use in the bottom of stair entrance to a cave, also can set up and use on the construction floor, can set up even in the smooth local use in arbitrary bottom, thereby make this multi-functional protection stair multiple functional, application scope is wider.
Further, in the present embodiment, referring to fig. 4 and fig. 5, the peripheral base frame 1 has a first side 17 and a second side 18 disposed oppositely, wherein the first side 17 is a left side in fig. 5, the second side 18 is a right side in fig. 5, and the first pedal 5 and the second pedal 6 horizontally extend out of a bottom and a top of the first side 17, respectively; referring to fig. 4, two supporting legs 10 are disposed at the bottom of the peripheral base frame 1, the two supporting legs 10 are respectively supported at the edge of the second side 18 of the peripheral base frame 1, and the two supporting legs 10 are disposed at intervals. In the embodiment, the first pedal 5 and the second pedal 6 are arranged on the first side 17 of the peripheral base frame 1, and then the two supporting feet 10 are arranged on the second side 18 of the peripheral base frame 1, so that the multifunctional safety protection stair can be installed on a constructed floor and is stable in front-back balance and higher in safety.
Specifically, in the present embodiment, the supporting legs 10 are elongated, and the two supporting legs 10 are respectively disposed on the second side 18 of the peripheral base frame 1 and are respectively supported on two edges of the peripheral base frame 1. It can be understood that in other embodiments of the present invention, according to actual conditions and specific requirements, the above-mentioned supporting legs 10 can also be called flat, trapezoidal plate and triangular plate, etc., and the bottom of the above-mentioned peripheral bed frame 1 can be provided with three and more than three supporting legs 10, and the interval between each supporting leg 10 can be set according to actual conditions, as long as it is guaranteed that the multifunctional safety protection staircase after installation is wholly steady, and here is not limited uniquely.
Preferably, referring to fig. 2, in this embodiment, the height of the supporting foot 10 is set to be equal to the vertical height between two adjacent rest platforms 22 in the constructed floor, so that when the multifunctional safety protection stair is installed, the supporting foot 10 is disposed on one of the rest platforms 22, and the first tread 5 is erected on the rest platform 22 above the adjacent rest platform, so as to ensure that the bottom of the whole multifunctional safety protection stair is stable. Of course, in the use application, due to the existence of machining errors, if the bottom of the multifunctional safety protection stair is found to be unstable in the installation process, the wood pieces and the like can be arranged on the bottom of the supporting legs 10 in a cushioning mode.
Further, in the present embodiment, referring to fig. 4, the peripheral base frame 1 includes a bottom frame 11, a top frame 12 and longitudinal beam groups 13, the top frame 12 and the bottom frame 11 have the same size and shape and are disposed oppositely and at intervals, and each longitudinal beam group 13 is respectively connected between the bottom frame 11 and the top frame 12 to achieve the purpose of supporting.
Specifically, referring to fig. 5, the bottom frame 11 is a rectangular frame formed by sequentially connecting four first beams 111 end to end, the top frame 12 is a rectangular frame formed by sequentially connecting four second beams 121 end to end, the top frame 12 and the bottom frame 11 have the same size and shape, and the bottom frame 11 and the top frame 12 are opposite and spaced. The longitudinal beam set 13 includes first longitudinal beams 131 and second longitudinal beams 132, the four first longitudinal beams 131 are respectively connected between four corners of the top frame 12 and the bottom frame 11, the two second longitudinal beams 132 are respectively connected between two corresponding long edges of the top frame 12 and the bottom frame 11, and the first longitudinal beams 131 and the second longitudinal beams 132 are parallel to each other.
Further, in this embodiment, the two supporting legs 10 are respectively installed on the two first longitudinal beams 131 on the second side 18 through two first connecting sleeves (not shown), one end of each first connecting sleeve is sleeved on the first longitudinal beam 131, and the other end of each first connecting sleeve is sleeved on the top end of the supporting leg 10. This embodiment forms the dismantled connection of supporting legs 10 and peripheral bed frame 1 through first adapter sleeve, when needing to use supporting legs 10, locates first longeron 131 with first adapter sleeve pot head on to with the supporting legs 10 top insert the other end of first adapter sleeve can, its convenient operation, and the installation is reliable.
It can be understood that in other embodiments of the present invention, according to actual conditions and specific requirements, the detachable connection can also be formed by directly inserting the supporting leg 10 and the first longitudinal beam 131, for example, the insertion block is disposed on the supporting leg 10, and the insertion block is disposed on the first longitudinal beam 131, and the insertion block is inserted into the insertion hole to form the detachable connection, which is not limited herein.
Preferably, in this embodiment, the cross section of the supporting foot 10 is square; the cross section of the first connecting sleeve is U-shaped, the first connecting sleeve is made of plastic materials, and the first connecting sleeve can be plastically deformed under the action of external force; the supporting leg 10 and the first connecting sleeve are connected in an interference fit manner, and the first connecting sleeve and the first longitudinal beam 131 are connected in an interference fit manner. In this embodiment, the cross section of the first connecting sleeve is U-shaped, and the first connecting sleeve is made of plastic material, so that it can elastically deform to a certain extent under the action of external force, and thus, the size of the inner cavity of the first connecting sleeve can be set to be slightly smaller than the size of the supporting foot 10 and the first longitudinal beam 131, so that when the supporting foot 10 is inserted into the first connecting sleeve during installation, the opening of the first connecting sleeve wraps the supporting foot 10 due to deformation caused by force, thereby forming interference fit; after the first longitudinal beam 131 is inserted into the first connecting sleeve, the opening of the first connecting sleeve is deformed by the stress to wrap the first longitudinal beam 131, so that an interference fit is formed.
Further, in the present embodiment, referring to fig. 4, the peripheral base frame 1 further includes a third side 19 and a fourth side 20 disposed opposite to each other, wherein the third side 19 is adjacent to the first side 17 and the second side 18, respectively, and the fourth side 20 is adjacent to the first side 17 and the second side 18, respectively. The telescopic strut 9 is arranged at the bottom of the fourth side 20 and can extend towards the first side 17, so that the peripheral bed frame 1 and the external ladder beam are stably connected through the arrangement of the telescopic strut 91. It should be understood that, in other embodiments of the present invention, according to practical situations and specific requirements, the telescopic strut 9 may also include two first telescopic struts and two second telescopic struts, the two first telescopic struts are respectively disposed at the bottom of the third side and the bottom of the fourth side and can extend to the first side, and the two second telescopic struts are respectively disposed at the bottom of the second side and can extend to the third side and the fourth side, which is not limited herein.
Further, in the present embodiment, referring to fig. 6 and 7, the telescopic strut 9 is telescopically disposed on the first cross beam 111 on the long side of the bottom frame 11 through a second connecting sleeve 300, the second connecting sleeve 300 is fixedly disposed on the outer side of the first cross beam 111, a first sliding slot 310 is disposed in the center of the second connecting sleeve 300, and the telescopic strut 9 is slidably disposed on the first sliding slot 310 to form a telescopic structure. Specifically, in this embodiment, the second connection sleeve 300 is made of a square tube material of 60mm by 60mm, the telescopic strut 9 is made of a square tube material of 40mm by 40mm, the second connection sleeve 300 is fixed to the first beam 111 of the third side 19 or the fourth side 20, the length extending direction of the second connection sleeve 300 is the same as the length extending direction of the first beam 111 of the side, one end of the second connection sleeve 300 is flush with the front side of the peripheral base frame 1, the length of the second connection sleeve 300 is preferably 500mm, the length of the telescopic strut 9 is preferably 1200mm, and the telescopic strut 9 slides in the second connection sleeve 300 to extend out of the first side 17 or retract into the third side 19 and the fourth side 20.
Further, in this embodiment, the walking channel 2 includes at least two floor assemblies 21 and a rest platform 22 connected between two adjacent floor assemblies 21. The peripheral guard bar 3 includes a first peripheral guard bar 31 and a second peripheral guard bar 32, the first peripheral guard bar 31 is disposed on two sides of the floor assembly 21, and the second peripheral guard bar 32 is disposed around the resting platform 22. In this embodiment, one side of the resting platform 22 is used to connect with two adjacent floor assemblies 21, and therefore, the second peripheral guard bar 32 is enclosed on the other three sides of the resting platform 22, thereby preventing accidents of constructors and managers.
Specifically, in this embodiment, the first peripheral guard bar 31 is disposed on two sides of each floor assembly 21, and the first peripheral guard bar 31 includes three first railings 311 and three first vertical rods 312. The inclination directions of the three first railings 311 are the same as the inclination directions of the corresponding floor assemblies 21, and the first railings 311 are parallel to each other and arranged at intervals. The three first vertical rods 312 are vertically arranged, and the three first vertical rods 312 are used for connecting two ends and the middle of each first rail 311. This embodiment sets up through the slope of many first railings 311 to can practice thrift the quantity of first pole setting 312, practice thrift the cost, make processing technology simpler, also make whole first peripheral guardrail 31's light in weight simultaneously, do benefit to the hoist and mount. It can be understood that, in other embodiments of the present invention, according to actual situations and specific requirements, the number of the first balustrades 311 can also be increased or decreased in a proper amount, and the number of the first vertical rods 312 can also be two, that is, the two first vertical rods 312 are respectively connected to two ends of each first balustrade 311, which is not limited herein.
Specifically, in this embodiment, the second peripheral guard bar 32 includes three second guard bars 321, each of the second guard bars 321 is horizontally disposed and sequentially spaced apart from each other along the vertical direction, and each of the second guard bars 321 is respectively connected to the corresponding second longitudinal beam 132 and the corresponding first longitudinal beam 131 along the circumferential direction of the resting platform 22. In this embodiment, the second rail 321 has three folded edges, and the second rail 321 is connected to the two first longitudinal beams 131 at the rear side and the two second longitudinal beams 132 at the middle. It should be understood that, in other embodiments of the present invention, the number of the second balustrades 321 may also be increased or decreased in a proper amount according to actual situations and specific requirements, and is not limited herein.
Preferably, in the embodiment, referring to fig. 2, the first longitudinal beam 131 near the left side and the second longitudinal beam 132 in the middle also serve as the first vertical rods 312 at two ends of the first peripheral guard rail 31, that is, the first peripheral guard rail 31, the second peripheral guard rail 32 and the base frame 1 form an integral structure, and the connection points of the first rail 311 and the second rail 321 on the second longitudinal beam 132 are the same, so that the overall structure of the prefabricated safety stairway is stable.
Further, please refer to fig. 5, as a specific embodiment of the assembled construction safety protection staircase provided by the present invention, the top guard rail 4 includes four third longitudinal beams 41 and two third guard rails 42, each third longitudinal beam 41 extends vertically upwards from the top end of each first longitudinal beam 131 respectively, each third longitudinal beam 41 and each first longitudinal beam 131 are integrally connected in a one-to-one correspondence manner, and each third guard rail 42 extends circumferentially along the top frame 12 and is connected with each third longitudinal beam 41 respectively. It should be understood that, in other embodiments of the present invention, the number of the third longitudinal beams 41 and the third balustrade 42 may also be increased or decreased according to actual situations and specific requirements, and is not limited herein.
Preferably, as the utility model provides a concrete implementation of assembled construction safety protection stair, above-mentioned first longeron 131, second longeron 132, third longeron 41, first crossbeam 111, second crossbeam 121, first railing 311, second railing 321, third railing 42 and first pole setting 312 are the square tube structure of surface galvanizing, whole assembled construction safety protection stair except walking passageway 2 promptly, other structures all are made through the square tube material, according to the dimensional requirement of each structure, tailor the square tube material can, its selected material is simple, processing technology is simple, and is with low costs, and light in weight, be convenient for hoist and mount.
Preferably, in this embodiment, the first longitudinal beam 131, the second longitudinal beam 132, the third longitudinal beam 41, the first cross beam 111, the second cross beam 121, the first rail 311, the second rail 321, the third rail 42, the first vertical rod 312, the floor assembly 21 and the rest platform 22 are all welded, and all the structural connection relation units are simple in processing process and low in cost, and the whole assembly type construction safety protection staircase is made to be firm in structure.
Example two:
the technical features of the multifunctional safety protection staircase in the first embodiment are basically the same as those of the multifunctional safety protection staircase in the first embodiment, and the difference is as follows: in this embodiment, referring to fig. 8, the supporting foot 10 is fixed on the first longitudinal beam 131 by a fastener. Specifically, the top of the supporting foot 10 is provided with a protrusion 101, and the supporting foot 10 is inserted into a first longitudinal beam 131 of the square tube structure through the protrusion 101 and locked by a fastener.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The multifunctional safety protection stair is characterized by comprising a peripheral base frame, wherein a first passage port is formed in the bottom of the peripheral base frame, a second passage port is formed in the top of the peripheral base frame, a walking passage is formed in the peripheral base frame, two ends of the walking passage are respectively connected with the first passage port and the second passage port, a first pedal extending horizontally is arranged at the first passage port, and a second pedal extending horizontally is arranged at the second passage port; the periphery of the peripheral bed frame is provided with a telescopic strut which can horizontally extend out of the peripheral bed frame and is erected on the external ladder beam to form connection with the external ladder beam; the bottom of the peripheral base frame is also provided with supporting legs which are used for vertically abutting against a rest platform of a constructed floor to support the peripheral base frame, and the supporting legs are detachably arranged at the bottom of the peripheral base frame.
2. The multi-functional safety-protective staircase of claim 1, wherein the perimeter base frame has a first side and a second side disposed opposite to each other, the first tread and the second tread horizontally protruding from a bottom and a top of the first side, respectively; the supporting legs are long strips, two supporting legs are arranged at the bottom of the peripheral base frame, the two supporting legs are respectively supported on the second side edge of the peripheral base frame, and the two supporting legs are arranged at intervals.
3. A multi-functional safety-protective staircase as claimed in claim 2, characterised in that the height of the supporting feet is arranged to be equal to the vertical height between two adjacent landings on a constructed floor.
4. The multi-functional safety-protective staircase of claim 2, wherein the perimeter base frame includes a bottom frame, a top frame spaced apart from and opposite the bottom frame, and sets of stringers connected between the bottom frame and the top frame, respectively.
5. The multifunctional safety protection stair of claim 4, wherein the bottom frame is a rectangular frame formed by sequentially connecting four first beams end to end, the top frame is a rectangular frame formed by sequentially connecting four second beams end to end, and the top frame and the bottom frame are the same in size and shape; the longitudinal beam group comprises first longitudinal beams and second longitudinal beams, the four first longitudinal beams are respectively connected between four corners of the top frame and the bottom frame, and the two second longitudinal beams are respectively connected between two long edges corresponding to the top frame and the bottom frame.
6. The multi-functional safety protection stair of claim 5, wherein the two support legs are respectively mounted on the two first longitudinal beams at the second side by two first connecting sleeves, one end of the first connecting sleeve is sleeved on the first longitudinal beam, and the other end of the first connecting sleeve is sleeved on the top ends of the support legs.
7. The multi-functional safety protection stair of claim 6, wherein the cross section of the supporting foot is square; the cross section of the first connecting sleeve is U-shaped, the first connecting sleeve is made of plastic materials, and the first connecting sleeve can be plastically deformed under the action of external force; the supporting legs with first connecting sleeve sets up to interference fit and connects, first connecting sleeve with first longeron sets up to interference fit and connects.
8. The multi-function safety stair of claim 5, wherein the support feet are removably mounted to the first longitudinal beam by fasteners.
9. The multi-functional safety stair of claim 7, wherein the perimeter base frame further comprises third and fourth oppositely disposed sides, the third side being adjacent to the first and second sides, respectively; the telescopic supporting rod is arranged at the bottom of the fourth side and can extend out of the first side.
10. The multi-functional safety protection staircase of claim 9, wherein the telescopic strut is telescopically disposed on a first cross beam at a long side of the bottom frame via a second connecting sleeve, the second connecting sleeve is fixedly disposed at an outer side of the first cross beam, a first sliding slot is formed at a center of the second connecting sleeve, and the telescopic strut is slidably disposed on the first sliding slot to form a telescopic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674603.8U CN210316278U (en) | 2019-05-10 | 2019-05-10 | Multifunctional safety protection stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674603.8U CN210316278U (en) | 2019-05-10 | 2019-05-10 | Multifunctional safety protection stair |
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| Publication Number | Publication Date |
|---|---|
| CN210316278U true CN210316278U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920674603.8U Expired - Fee Related CN210316278U (en) | 2019-05-10 | 2019-05-10 | Multifunctional safety protection stair |
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| CN (1) | CN210316278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111923013A (en) * | 2020-09-06 | 2020-11-13 | 上海建冶科技工程股份有限公司 | Ten-axis type large-stroke anti-corrosion intelligent robot |
-
2019
- 2019-05-10 CN CN201920674603.8U patent/CN210316278U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111923013A (en) * | 2020-09-06 | 2020-11-13 | 上海建冶科技工程股份有限公司 | Ten-axis type large-stroke anti-corrosion intelligent robot |
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Granted publication date: 20200414 |