Temporary safety channel for assembly type stairs

Abstract

The utility model relates to a temporary safety channel for an assembly type stair. The temporary safety channel comprises a supporting assembly and a stair assembly. A containing cavity is defined by the supporting assembly, the step assembly is arranged in the containing cavity, the first end of the supporting assembly is used for being placed on a rest platform of the (n-2)-th layer of stairs, the second end of the supporting assembly is used for being placed on a floor platform of the (n-1)-th layer of stairs, and the third end of the supporting assembly is used for being connected with a hoisting device; wherein n is a natural number greater than 2; compared with a scaffold erected between an upper floor and a lower floor, the construction efficiency is improved, and meanwhile potential safety hazards are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a temporary safety passage for assembled stairs. Background Art

[0002] At present, prefabricated buildings have many advantages, such as improving project quality, shortening construction period, saving energy, reducing consumption, and clean production. Conventional construction technology has poor casting quality of stairs, and the formwork is easy to deviate and expand. After the construction is completed, rectification is required, resulting in secondary investment and increased costs. Prefabricated stairs have the characteristics of simple construction and good finished product quality.

[0003] Before installing the prefabricated stairs, wall columns and beam and slab formwork need to be supported first. However, since the stairs are not installed, it is inconvenient to go up and down the floors, and the only way to go up and down the floors is to set up scaffolding. When hoisting the finished stairs, the scaffolding needs to be dismantled, which is labor-intensive and time-consuming, and there are certain safety hazards. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a temporary safety passage for assembled stairs, which has the advantages of improving work efficiency and reducing safety hazards.

[0005] The above-mentioned utility model object of the utility model is achieved through the following technical scheme: a temporary safety passage for assembled stairs, comprising a support assembly and a step assembly; the support assembly is enclosed to form a accommodating cavity, the step assembly is arranged in the accommodating cavity, the first end of the support assembly is used to be placed on the rest platform of the n-2 stairs, the second end of the support assembly is used to be placed on the floor platform of the n-1 stairs, and the third end of the support assembly is used to be connected to a lifting device; wherein n is a natural number greater than 2.

[0006] Preferably, the temporary safety passage for the prefabricated staircase provided by the utility model, the supporting assembly includes a supporting frame, a steel wire rope and two sliding rods arranged opposite to each other, the two sliding rods are respectively inserted at the opposite sides of the bottom end of the supporting frame, the sliding rod can slide relative to the supporting frame, the steel wire rope is arranged at the top end of the supporting frame, and the top end of the steel wire rope is used to connect with the lifting device.

[0007] Preferably, the temporary safety passage for the prefabricated staircase provided by the utility model, the support frame includes a first support unit, a second support unit and at least three connecting units, the first support unit and the second support unit are arranged opposite to each other, the first ends of the three connecting units are connected to the first support unit, the second ends of the three connecting units are connected to the second support unit, and the three connecting units are arranged along the vertical interval; the sliding rod is slidably connected to the connecting unit located at the bottom.

[0008] Preferably, in the temporary safety passage for the assembled staircase provided by the utility model, the first support unit includes two first support rods, and the two first support rods are correspondingly arranged.

[0009] Preferably, in the temporary safety passage for the prefabricated staircase provided by the utility model, the second support unit includes two second support rods, the two second support rods are arranged correspondingly, the first support rod and the second support rod are arranged one by one, and the two first support rods and the two second support rods together enclose the accommodating cavity; the length of the first support rod is greater than the length of the second support rod, and the top surface of the first support rod and the top surface of the second support rod are located in the same horizontal plane.

[0010] Preferably, in the temporary safety passage for the assembled staircase provided by the utility model, the top ends of the first support rod and the second support rod are both provided with lifting rings, and the bottom ends of the steel wire ropes are connected to the lifting rings.

[0011] Preferably, in the temporary safety passage for the prefabricated staircase provided by the utility model, the connecting unit includes two connecting rods arranged opposite to each other and two fixing rods arranged opposite to each other, the connecting rods are arranged between the first support rods and the second support rods corresponding thereto, one of the fixing rods is arranged between the two first support rods, and the other fixing rod is arranged between the two second support rods.

[0012] Preferably, the utility model provides a temporary safety passage for an assembled staircase, wherein the staircase assembly includes a first staircase and a second staircase, both ends of the first staircase and both ends of the second staircase are connected to the inner wall of the accommodating cavity, and a preset angle is provided between the extension direction of the first staircase and the extension direction of the second staircase.

[0013] Preferably, in the temporary safety passage for the assembled staircase provided by the utility model, the first support rod and the second support rod are both made of galvanized steel pipes with a specification of 100*100*4.

[0014] Preferably, in the temporary safety passage for the assembled staircase provided by the utility model, the connecting rod and the fixing rod are both made of galvanized steel pipes with a specification of 50*100*4.

[0015] To sum up, the beneficial technical effects of the utility model are as follows: the temporary safety passage for the prefabricated staircase provided in the present application comprises a support assembly and a step assembly; the support assembly is enclosed to form a accommodating cavity, the step assembly is arranged in the accommodating cavity, the first end of the support assembly is used to be placed on the rest platform of the n-2 floor stairs, the second end of the support assembly is used to be placed on the floor platform of the n-1 floor stairs, and the third end of the support assembly is used to be connected to the lifting device; wherein n is a natural number greater than 2; compared with setting up scaffolding between upper and lower floors, the construction efficiency is improved and at the same time, safety hazards are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a temporary safety passage for an assembled staircase provided in an embodiment of the utility model.

[0017] In the figure, 1, temporary safety passage; 10, support assembly; 11, accommodating chamber; 12, support frame; 121, first support rod; 122, second support rod; 123, lifting ring; 124, connecting unit; 1241, connecting rod; 1242, fixing rod; 125, slide unit; 1251, first steel pipe; 1252, second steel pipe; 13, steel wire rope; 14, sliding rod; 20, step assembly; 21, first staircase; 22, second staircase; 23, step. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] Reference Figure 1 , a temporary safety passage 1 for assembled stairs disclosed in the utility model, includes a support assembly 10 and a step assembly 20; the support assembly 10 is surrounded by a housing cavity 11, the step assembly 20 is arranged in the housing cavity 11, the first end of the support assembly 10 is used to be placed on the rest platform of the n-2 floor stairs, the second end of the support assembly 10 is used to be placed on the floor platform of the n-1 floor stairs, and the third end of the support assembly 10 is used to be connected to a lifting device; wherein n is a natural number greater than 2; compared with setting up scaffolding between upper and lower floors, the construction efficiency is improved and the safety hazards are reduced.

[0020] Specifically, Figure 1 Taking the orientation as an example, the first end of the support assembly 10 is the bottom end of the support assembly 10 , the second end of the support assembly 10 is the right end of the support assembly 10 , and the third end of the support assembly 10 is the top end of the support assembly 10 .

[0021] Among them, Figure 1Taking the shown orientation as an example, the top end of the step component 20 is connected to the inner wall near the top of the accommodating cavity 11, the bottom end of the step component 20 is connected to the inner wall near the bottom of the accommodating cavity 11, and the left end of the step component 20 is connected to the left inner wall of the accommodating cavity 11 in the middle position along its height direction.

[0022] Taking the plane parallel to the horizontal plane as the cross section, the cross-sectional shape of the accommodating cavity 11 may be rectangular, trapezoidal or other multiple shapes, which is not limited in this embodiment.

[0023] The use process of the temporary safety passage 1 for the assembled staircase provided in this embodiment is as follows: when constructing an n-story staircase, the third end of the support assembly 10 (i.e., the top end of the support assembly 10) is connected to the lifting device and lifted to the designated position, the first end of the support assembly 10 falls on the rest platform of the n-2-story staircase, the second end of the support assembly 10 is placed on the floor platform of the n-1-story staircase, and the stairs are moved up and down through the step assembly 20; when transporting, the third end of the support assembly 10 is connected to the lifting device and slightly lifted until the first end of the support assembly 10 and the second end of the support assembly 10 are no longer under force, check that the lifting passage is unobstructed, and lift it through the lifting device.

[0024] Furthermore, in the present embodiment, the support assembly 10 includes a support frame 12, a steel wire rope 13 and two slide bars 14 arranged opposite to each other. The two slide bars 14 are respectively inserted at opposite sides of the bottom end of the support frame 12. The slide bar 14 can slide relative to the support frame 12. The steel wire rope 13 is arranged at the top end of the support frame 12. The top end of the steel wire rope 13 is used to connect with the lifting device. On the one hand, by arranging the steel wire rope 13, the lifting of the temporary safety passage 1 is facilitated. On the other hand, by arranging the slide bar 14, the volume can be reduced during the lifting process, which is convenient for lifting.

[0025] Specifically, the support frame 12 is arranged to form a receiving cavity 11 , and the step assembly 20 is arranged in the receiving cavity 11 . During use, construction workers go up and down the stairs through the step assembly 20 .

[0026] The slide bar 14 extends along the length direction of the support frame 12. During use, the slide bar 14 is slid out so that one end of the slide bar 14 away from the support frame 12 is placed on the floor platform of the n-1 staircase.

[0027] Furthermore, in this embodiment, the support frame 12 includes a first support unit, a second support unit and at least three connecting units 124, the first support unit and the second support unit are arranged opposite to each other, the first ends of the three connecting units 124 are connected to the first support unit, the second ends of the three connecting units 124 are connected to the second support unit, and the three connecting units 124 are arranged along the vertical interval; the sliding rod 14 is slidably connected to the connecting unit 124 located at the bottom.

[0028] The three connection units 124 include a first connection unit 124 , a second connection unit 124 , and a third connection unit 124 . The first connection unit 124 , the second connection unit 124 , and the third connection unit 124 are arranged at intervals from top to bottom.

[0029] Specifically, the two sliding rods 14 are respectively arranged on the opposite sides of the bottom end of the third connecting unit 124, and the slide units 125 are arranged on the opposite sides of the bottom end of the third connecting unit 124. The sliding rod 14 and the slide unit 125 are arranged in a one-to-one correspondence. During use, the sliding rod 14 is inserted in the slide unit 125, and the sliding rod 14 can slide along the slide unit 125. During the lifting process, the sliding rod 14 is inserted in the slide unit 125; after lifting to the designated position, one end of the sliding rod 14 is pulled out of the slide unit 125, so that the sliding rod 14 is set on the floor platform of the n-1 floor stairs.

[0030] Furthermore, in this embodiment, the slide unit 125 includes a first steel pipe 1251 and a second steel pipe 1252, and the first steel pipe 1251 and the second steel pipe 1252 are arranged at intervals along the length direction of the support frame 12, and the center line of the first steel pipe 1251 and the center line of the second steel pipe 1252 are both arranged parallel to the length direction of the support frame 12. In some feasible methods, the center line of the first steel pipe 1251 and the center line of the second steel pipe 1252 are arranged parallel to the length direction of the support frame 12.

[0031] by Figure 1 Taking the shown orientation as an example, the first steel pipe 1251 is located on the right side, and the second steel pipe 1252 is located on the left side.

[0032] During use, the first end of the slide bar 14 passes through the first steel pipe 1251 and is inserted into the second steel pipe 1252. After being hoisted to the designated position, the second end of the slide bar 14 is pulled outward so that the second end of the slide bar 14 is placed on the floor platform of the n-1 floor stairs.

[0033] It should be noted that Figure 1 Taking the illustrated orientation as an example, the first end of the slide bar 14 is the left end of the slide bar 14 , and the second end of the slide bar 14 is the right end of the slide bar 14 .

[0034] In order to prevent the sliding rod 14 from sliding out of the slide unit 125 during use, a through hole is opened on the outer wall of the first steel tube 1251, and the through hole extends along the width direction of the support frame 12, and the through hole is connected to the cavity of the first steel tube 1251; wherein, a plurality of threaded holes are opened on the outer wall of the sliding rod 14, and the plurality of threaded holes extend along the width direction of the support frame 12, and the plurality of threaded holes are spaced apart along the center line direction of the sliding rod 14; when the sliding rod 14 slides to the specified position, one end of the fastening bolt passes through the through hole and is screwed into the threaded hole corresponding to the through hole.

[0035] Further, in this embodiment, the first support unit includes two first support rods 121, and the two first support rods 121 are correspondingly arranged.

[0036] Continue to refer to Figure 1 In this embodiment, the second support unit includes two second support rods 122, the two second support rods 122 are arranged correspondingly, the first support rod 121 and the second support rod 122 are arranged one by one, and the two first support rods 121 and the two second support rods 122 are jointly arranged to form a accommodating cavity 11; the length of the first support rod 121 is greater than the length of the second support rod 122, and the top surface of the first support rod 121 and the top surface of the second support rod 122 are located in the same horizontal plane.

[0037] After being hoisted to the designated position, the bottom ends of the two first support rods 121 both fall on the resting platform of the n-2-th floor staircase.

[0038] Specifically, the center line of the first support rod 121 is arranged parallel to the center line of the second support rod 122 .

[0039] Furthermore, in the present embodiment, a top end of the first support rod 121 and a top end of the second support rod 122 are both provided with a lifting ring 123 , and the bottom end of the steel wire rope 13 is connected to the lifting ring 123 .

[0040] Specifically, the four sides of the steel wire rope 13 are respectively connected to the four lifting rings 123. During use, the top end of the steel wire rope 13 is used to be hooked on the lifting hook of the lifting device.

[0041] Furthermore, in this embodiment, the connecting unit 124 includes two relatively arranged connecting rods 1241 and two relatively arranged fixing rods 1242, the connecting rod 1241 is arranged between the first support rod 121 and the corresponding second support rod 122, one of the fixing rods 1242 is arranged between the two first support rods 121, and the other fixing rod 1242 is arranged between the two second support rods 122.

[0042] Specifically, the two connecting rods 1241 and the two fixing rods 1242 are together arranged to form a rectangular frame.

[0043] The slide unit 125 is disposed on the bottom surface of the connecting rod 1241 in the third connecting unit 124 .

[0044] In this embodiment, the two fixing rods 1242 include a first fixing rod 1242 and a second fixing rod 1242 . The first fixing rod 1242 is disposed between the two first support rods 121 , and the second fixing rod 1242 is disposed between the two second support rods 122 .

[0045] Furthermore, in this embodiment, the step assembly 20 includes a first staircase 21 and a second staircase 22, both ends of the first staircase 21 and both ends of the second staircase 22 are connected to the inner wall of the accommodating cavity 11, and a preset angle is set between the extension direction of the first staircase 21 and the extension direction of the second staircase 22.

[0046] Specifically, Figure 1 Taking the shown orientation as an example, the top of the first staircase 21 is connected to the outer wall of the second fixing rod 1242 in the first connecting unit 124, the bottom end of the first staircase 21 is connected to the outer wall of the first fixing rod 1242 in the second connecting unit 124, the top of the second staircase 22 is connected to the outer wall of the first fixing rod 1242 in the second connecting unit 124, the bottom end of the second building is connected to the outer wall of the second fixing rod 1242 in the third connecting unit 124, and the first staircase 21 and the second staircase 22 together form a triangle.

[0047] In order to improve the firmness, the steps 23 in the first staircase 21 and the steps 23 in the second staircase 22 are both made of embossed steel plates welded together.

[0048] Exemplarily, the first support rod 121 and the second support rod 122 are both made of galvanized steel pipes with a specification of 100*100*4. Of course, the first support rod 121 and the second support rod 122 can also be made of steel pipes of other specifications as long as the rigidity is met.

[0049] For example, the connecting rod 1241 and the fixing rod 1242 are both made of galvanized steel pipes of 50*100*4. Of course, the connecting rod 1241 and the fixing rod 1242 can also be made of steel pipes of other specifications as long as the rigidity is met.

[0050] The use process of the temporary safety passage 1 for the assembled stairs provided in this embodiment is as follows: when constructing the n-story stairs, the steel wire rope 13 is connected to the lifting ring 123, the steel wire rope 13 is hung on the hook of the lifting device and lifted to the designated position, the bottom end of the first support rod 121 falls on the rest platform of the n-2-story stairs, the second end of the slide bar 14 is pulled out and placed on the floor platform of the n-1-story stairs, and the workers can go up and down the floors through the steps 23; during transportation, the steel wire rope 13 is connected to the lifting ring 123, the steel wire rope 13 is hung on the hook of the lifting device and slightly lifted, and when the slide bar 14 is no longer under force, the slide bar 14 is slid inward along the slide unit 125, and when the first end of the slide bar 14 is inserted into the second steel pipe 1252, the slide bar 14 stops sliding, and the lifting passage is checked to see if there is any obstacle, and the lifting device lifts the temporary safety passage 1 for transportation.

[0051] The temporary safety passage 1 for prefabricated stairs provided in the present application includes a support assembly 10 and a step assembly 20; the support assembly 10 is enclosed to form a accommodating cavity 11, and the step assembly 20 is arranged in the accommodating cavity 11. The first end of the support assembly 10 is used to be placed on the rest platform of the n-2 floor stairs, the second end of the support assembly 10 is used to be placed on the floor platform of the n-1 floor stairs, and the third end of the support assembly 10 is used to be connected to a lifting device; wherein n is a natural number greater than 2; compared with setting up scaffolding between upper and lower floors, the construction efficiency is improved, and at the same time, the safety hazards are reduced.

[0052] The temporary safety passage 1 for assembled stairs provided by the utility model has the following advantages: the device has a simple structure, is easy to manufacture, and is convenient to operate.

[0053] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0054] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A temporary safety passage for assembled stairs, characterized by: It includes a support assembly and a ladder assembly; The support assembly is arranged to form a receiving cavity, the step assembly is arranged in the receiving cavity, the first end of the support assembly is used to be placed on the resting platform of the n-2 staircase, the second end of the support assembly is used to be placed on the floor platform of the n-1 staircase, and the third end of the support assembly is used to be connected to the hoisting device; wherein n is a natural number greater than 2; The support assembly includes a support frame, a steel wire rope and two sliding rods arranged opposite to each other. The two sliding rods are respectively inserted at opposite sides of the bottom end of the support frame. The sliding rod can slide relative to the support frame. The steel wire rope is arranged at the top end of the support frame. The top end of the steel wire rope is used to connect with the lifting device.

2. The temporary safety passage for assembled stairs according to claim 1 is characterized in that: The support frame comprises a first support unit, a second support unit and at least three connection units, the first support unit is arranged opposite to the second support unit, the first ends of the three connection units are connected to the first support unit, the second ends of the three connection units are connected to the second support unit, and the three connection units are arranged along the vertical interval; The sliding rod is slidably connected to the connecting unit located at the bottom.

3. The temporary safety passage for assembled stairs according to claim 2 is characterized in that: The first supporting unit includes two first supporting rods, and the two first supporting rods are arranged correspondingly.

4. The temporary safety passage for assembled stairs according to claim 3 is characterized in that: The second support unit includes two second support rods, the two second support rods are arranged correspondingly, the first support rods and the second support rods are arranged one by one correspondingly, and the two first support rods and the two second support rods are jointly arranged to form the accommodating cavity; The length of the first support rod is greater than the length of the second support rod, and the top surface of the first support rod and the top surface of the second support rod are located in the same horizontal plane.

5. The temporary safety passage for assembled stairs according to claim 4 is characterized in that: The top ends of the first support rod and the second support rod are both provided with lifting rings, and the bottom ends of the steel wire ropes are connected to the lifting rings.

6. The temporary safety passage for assembled stairs according to claim 4 is characterized in that: The connecting unit includes two connecting rods arranged opposite to each other and two fixing rods arranged opposite to each other, wherein the connecting rods are arranged between the first support rods and the second support rods corresponding thereto, wherein one of the fixing rods is arranged between the two first support rods, and the other fixing rod is arranged between the two second support rods.

7. The temporary safety passage for assembled stairs according to claim 1 is characterized in that: The staircase assembly includes a first staircase and a second staircase, both ends of the first staircase and both ends of the second staircase are connected to the inner wall of the accommodating cavity, and a preset angle is set between the extension direction of the first staircase and the extension direction of the second staircase.

8. The temporary safety passage for assembled stairs according to claim 4 is characterized in that: The first support rod and the second support rod are both made of galvanized steel pipes with specifications of 100*100*4.

9. The temporary safety passage for assembled stairs according to claim 6 is characterized in that: The connecting rod and the fixing rod are both made of galvanized steel pipes with specifications of 50*100*4.

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