CN113250391A

CN113250391A - Assembled stair

Info

Publication number: CN113250391A
Application number: CN202110441086.1A
Authority: CN
Inventors: 王超
Original assignee: Shanghai Desen Architectural Design Co ltd
Current assignee: Shanghai Desen Architectural Design Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-08-13
Anticipated expiration: 2041-04-23
Also published as: CN113250391B

Abstract

The application relates to an assembled stair, which relates to the field of building construction and comprises a stair beam, a plurality of stair posts are arranged between two inner side walls of the stair beam, the both ends of step post all are equipped with the installation department, a plurality of supporting shoes are installed respectively to two inside walls of stair beam, the both sides face of installation department is the orientation first inclined plane of downward sloping formation gradually towards the orientation of keeping away from the supporting shoe respectively, the supporting shoe is close to one side of installation department and forms the second inclined plane towards the orientation of stair beam downward sloping gradually far away, every first inclined plane all has corresponding second inclined plane to contact, the through-hole has been seted up on the second inclined plane, be fixed with the control column of pegging graft with the through-hole on the first inclined plane, the direction of stair beam far away is gradually downward for the control column, the mounting hole that runs through stair beam lateral wall is seted up to a side of stair beam, it has the warning pole to peg graft in the mounting hole, the warning pole is including the inside sign portion that is located the mounting hole. This application has the effect of collapsing down of step post of being convenient for observe.

Description

Assembled stair

Technical Field

The application relates to the field of building construction, especially, relate to a pin-connected panel stair.

Background

The existing concrete prefabricated stairs can be roughly divided into two types: the integral concrete prefabricated staircase and the component assembled staircase. The integral concrete prefabricated staircase is formed by prefabricating integrally formed concrete, is directly machined and formed by a prefabricated part factory and then is sent to a construction site for integral hoisting. The stair beam of the component assembly type stair is of a steel structure, and the stair tread is formed by splicing single concrete blocks.

The Chinese patent with the prior publication number of CN209353592U discloses an assembled stair and a building, which comprise a stair beam, a step plate component and a connecting component. The step plate assembly comprises a fixedly connected step plate and a fixing piece, the fixing piece extends towards one side of the tread departing from the step plate, the fixing piece is fixedly connected with the stair beam through a connecting assembly, an adjusting gap exists between the fixing piece and the connecting assembly in the first direction, and the step plate is adjustably arranged on the connecting assembly in the first direction.

With respect to the related art in the above, the inventor believes that when the pedal portion is excessively stressed due to an external cause, the pedal portion may be collapsed, and the worker may not easily observe the collapse of the pedal portion, which may cause a danger.

Disclosure of Invention

In order to observe the collapse of step post, this application provides a pin-connected panel stair.

The application provides a pin-connected panel stair adopts following technical scheme:

an assembled stair comprises a stair beam, a plurality of stair posts are arranged between two inner side walls of the stair beam, the both ends of step post all are equipped with the installation department, a plurality of supporting shoes are installed respectively to two inside walls of stair roof beam, the both sides face of installation department is the orientation first inclined plane of downward sloping formation gradually towards the orientation of keeping away from the supporting shoe respectively, a side that the supporting shoe is close to the installation department inclines down gradually towards the orientation of stair roof beam far away and forms the second inclined plane, every first inclined plane all has corresponding second inclined plane to contact, the through-hole has been seted up on the second inclined plane, be fixed with the control column of pegging graft with the through-hole on the first inclined plane, the direction of stair roof beam far away is gradually downward for the control column, the mounting hole that runs through stair roof beam lateral wall is seted up to a side of stair roof beam, it has the warning pole to peg graft in the mounting hole, the warning pole is including being located the inside sign portion of mounting hole, the one end that the warning pole is close to the control column contacts with a lateral wall that the control column is close to the warning pole.

By adopting the technical scheme, two ends of the step column are lapped on the corresponding supporting blocks, and the supporting blocks give supporting force to the step column; when the step column collapses, the step column moves downwards along the first inclined surface and the second inclined surface, the step column drives the mounting part to move downwards, the mounting part moves downwards to drive the control column to move downwards, at the moment, the through hole does not influence the movement of the control column, and the obliquely arranged control column can move to push the warning rod to move towards the direction far away from the supporting block; when the warning rod moves until the identification part is separated from the mounting hole, the worker can observe the identification part, namely the step column collapses; so be convenient for observe the collapse of step post to maintain the step post.

Preferably, one end of the warning rod close to the control column is fixedly connected with a fixed block, and a supporting spring in a normal state is fixed between the fixed block and one side face of the stair beam close to the control column.

Through adopting above-mentioned technical scheme, supporting spring makes the sign portion can be comparatively stable arrange in the mounting hole, when not giving warning post external force, the difficult emergence of warning post is removed, reduces the sign portion and breaks away from the condition emergence that the mounting hole produced the misleading to the staff.

Preferably, the one end intercommunication that the control post was kept away from to the mounting hole has the restriction hole, and the diameter in restriction hole is greater than the diameter of mounting hole, and the lateral wall of warning pole is fixed with the stopper that is located the restriction downthehole portion, and the sign position is located the stopper and keeps away from one side of fixed block.

By adopting the technical scheme, when the warning rod moves in the direction away from the supporting block under the pushing of the control column until the limiting block butts against one surface of the limiting hole away from the fixing block, the warning rod is not easy to move, so that the control column and the step column are not easy to continuously fall, and the step column is supported to a certain extent; and the sign portion breaks away from the mounting hole this moment, thereby the staff accessible observes sign portion and maintains the stair.

Preferably, one side surface of the warning rod close to the control column is a third inclined surface tightly attached to the control column.

Through adopting above-mentioned technical scheme, when the control post takes place to move down, thereby the control post is convenient for promote the third slope and promotes warning pole and remove.

Preferably, the supporting block is detachably connected with the stair beam.

Through adopting above-mentioned technical scheme, be convenient for transport the supporting shoe and stair beam respectively to the construction site, assemble between supporting shoe and the stair beam at the construction site afterwards, be convenient for the transportation of supporting shoe and stair beam.

Preferably, the supporting blocks are connected with the stair beams through bolts, and the bolts are connected with the supporting blocks and the stair beams in a threaded mode in sequence in a downward inclined mode.

Through adopting above-mentioned technical scheme, the bolt slant passes supporting shoe, stair roof beam in proper order down, and when the step post overlap joint was on the supporting shoe and when giving the decurrent effort of supporting shoe, the bolt that the slant set up made difficult relative separation to take place between supporting shoe and the stair roof beam, and the difficult emergence of bolt is buckled and is split.

Preferably, the bolt comprises a cap tightly attached to the second inclined surface, the first inclined surface is provided with a clamping groove, and the clamping groove is clamped with the cap

Through adopting above-mentioned technical scheme, the joint of joint groove and block has consolidated being connected between step post and the supporting shoe for comparatively stable of step post installation.

Preferably, the two side surfaces of the supporting block are respectively provided with a baffle, the mounting part is positioned between the two baffles, and one side surface of each baffle close to the mounting part is tightly attached to the mounting part.

Through adopting above-mentioned technical scheme, the baffle has restricted the step post and has taken place lateral shifting, has further consolidated being connected between step post and the supporting shoe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the collapse of the step column is convenient to observe, so that the step column is maintained;

2. the limiting block can limit the step column to continuously fall;

3. the bolt that the slant set up makes difficult relative separation to take place between supporting shoe and the stair beam, and the difficult emergence of bolt is buckled and is split.

Drawings

Fig. 1 is a schematic view of the overall structure of the staircase according to the embodiment of the present application.

Fig. 2 is a schematic view illustrating the overlapping of the step post and the supporting block according to the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a warning mechanism according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of the connection between the support block and the center sill portion according to the embodiment of the present application.

Description of reference numerals: 1. a stair stringer; 11. an upper beam section; 12. a middle beam section; 13. a lower beam section; 2. a step post; 21. a post body; 22. an installation part; 221. a first inclined plane; 222. a clamping groove; 3. a support block; 31. a second inclined plane; 32. a baffle plate; 4. a warning mechanism; 41. a control column; 42. a through hole; 43. mounting holes; 44. a warning lever; 441. a marking part; 442. a third inclined plane; 45. a fixed block; 46. a support spring; 47. a limiting aperture; 48. a limiting block; 5. a bolt; 51. capping; 52. a cylindrical portion.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses pin-connected panel stair. Referring to fig. 1, the assembled staircase includes a closed loop-shaped staircase beam 1, the staircase beam 1 includes an upper beam portion 11 and a lower beam portion 13, the upper beam portion 11 and the lower beam portion 13 are horizontally arranged, and two middle beam portions 12 are obliquely arranged and connected between the upper beam portion 11 and the lower beam portion 13. The middle beam section 12 is inclined from the lower beam section 13 in the direction toward the upper beam section 11 gradually toward the upper beam section 11. A plurality of step columns 2 are spliced between the two middle beam parts 12, and the step columns 2 are arranged along the length direction of the middle beam parts 12.

Referring to fig. 2 and 3, the step pillar 2 includes a pillar body 21 and mounting portions 22 at both ends of the pillar body 21, wherein a plurality of supporting blocks 3 are mounted on one side surfaces of the two middle beam portions 12 close to each other, and the supporting blocks 3 are arranged along the length direction of the middle beam portions 12. One side of each mounting portion 22 away from the step column 2 is inclined from top to bottom gradually toward the direction close to each other to form a first inclined surface 221, one side of each supporting block 3 close to the mounting portion 22 is the same as the inclined direction of the first inclined surface 221 close to the supporting block 3, and the inclined surface on the supporting block 3 is a second inclined surface 31. The mounting portions 22 at the two ends of the step post 2 are respectively overlapped with the corresponding supporting block 3, and each first inclined surface 221 is tightly abutted against the corresponding second inclined surface 31.

Two side surfaces of each supporting block 3 are respectively provided with a baffle 32, the mounting part 22 is positioned between the two baffles 32, and one side surface of each baffle 32 close to the mounting part 22 is tightly attached to the mounting part 22. The lateral movement of the step post 2 is restricted by the baffle 32.

When needs concatenation stair beam 1 and step post 2, only need with the installation department 22 overlap joint at step post 2 both ends on corresponding supporting shoe 3, installation department 22 joint this moment is between two baffles 32, and first inclined plane 221 and second inclined plane 31 are hugged closely each other, have restricted step post 2 and have taken place the whereabouts, so accomplished the concatenation of stair beam 1 and step post 2 promptly, easy operation is convenient.

And each step column 2 is connected with a warning mechanism 4 for warning the collapse of the step column 2. The warning mechanism 4 includes a control column 41 fixedly connected to each first inclined plane 221, a waist-shaped through hole 42 is formed in the second inclined plane 31, and the through hole 42 vertically penetrates through the supporting block 3. The control column 41 is inserted into the through hole 42, and one end of the control column 41 far away from the mounting part 22 is separated from the through hole 42 and far away from the supporting block 3. The side of the middle beam portion 12 close to the mounting portion 22 is provided with a mounting hole 43 transversely penetrating the middle beam portion 12, a warning rod 44 is inserted into the mounting hole 43, the warning rod 44 is located below the supporting block 3, and one end of the warning rod 44 close to the supporting block 3 contacts one side of the control column 41 close to the warning rod 44.

The side of the warning rod 44 away from the supporting rod is flush with the side of the center sill 12 away from the supporting block 3, the warning rod 44 includes a mark part 441 coated with a significant color, and the mark part 441 is located inside the mounting hole 43. The control column 41 is inclined from top to bottom in a direction away from the middle beam portion 12.

When the step post 2 is gradually collapsed due to external factors, the step post 2 gradually moves downward along the second slope 31. In the moving process of the step column 2, the step column 2 drives the control column 41 to move downwards, the kidney-shaped hole does not influence the movement of the control column 41, and the control column 41 moves to push the warning rod 44 to move towards the direction far away from the supporting block 3; when the mark part 441 on the warning rod 44 is separated from the mounting hole 43, the worker can observe the mark part 441, and the stair needs to be repaired. The collapse of the step column 2 is convenient to find in time, the gradual collapse of the step column 2 is reduced, and the condition which is not easy to find by a worker is avoided.

The side of the warning rod 44 close to the control column 41 is a third inclined surface 442 closely attached to the control column 41, and when the control column 41 falls, the control column 41 pushes the warning rod 44 to move by pushing the third inclined surface 442, so that the control column 41 pushes the warning rod 44 to move.

The lateral wall fixedly connected with fixed block 45 of warning pole 44, fixed block 45 are located the one end that warning pole 44 is close to control post 41, and supporting spring 46 has been cup jointed in the outside of warning pole 44. One end of the supporting spring 46 is fixedly connected with one side surface of the fixing block 45 close to the middle beam part 12, and the other end is fixedly connected with one side surface of the middle beam part 12 close to the fixing block 45. When the side of the warning rod 44 away from the supporting rod is flush with the side of the center sill 12 away from the supporting block 3, the supporting spring 46 is in a normal state.

The support spring 46 provides a support force to the warning rod 44, so that the warning rod 44 is not easily displaced when the control column 41 does not push the warning rod 44.

One end of the mounting hole 43 far away from the support rod is communicated with a limiting hole 47, and the diameter of the limiting hole 47 is larger than that of the mounting hole 43. The side wall of the warning rod 44 is fixedly connected with a limiting block 48 coaxial with the warning rod 44, the limiting block 48 contacts with a side wall of the limiting hole 47 close to the supporting rod, and the identification portion 441 is located on one side of the limiting block 48 away from the supporting rod.

When the control column 41 pushes the warning rod 44 to move in a direction away from the supporting block 3, the warning rod 44 drives the limiting block 48 to move in a direction away from the supporting block 3 until the limiting block 48 contacts a side wall of the limiting hole 47 away from the fixing block 45. At this time, the mark part 441 protrudes from the mounting hole 43, and the worker can see the mark part 441 to repair the staircase. And the limiting block 48 contacts a side wall of the limiting hole 47 far away from the fixing block 45, so that the warning rod 44 is not easy to move towards the direction far away from the supporting block 3, the warning rod 44 is not easy to move, so that the control column 41 is not easy to continue to fall, the step column 2 is not easy to continue to fall, and a certain supporting effect is achieved on the step column 2.

Referring to fig. 4, the support block 3 and the middle beam portion 12 are fixedly connected by bolts 5. The bolt 5 passes through the supporting block 3 and the middle beam part 12 in sequence and is arranged obliquely downwards, so that the connection between the supporting block 3 and the middle beam part 12 is reinforced. And when the supporting block 3 that sets up in the slant makes the step post 2 give supporting block 3 downward effort, bolt 5 is difficult for taking place to accomplish, and the connection between supporting block 3 and well roof beam portion 12 is comparatively firm.

The bolt 5 comprises a cap 51 abutting the second ramp 31 and a cylindrical portion 52. The first inclined plane 221 of the mounting portion 22 is provided with clamping grooves 222 corresponding to the number of the bolts 5, each clamping groove 222 is clamped with the corresponding cap 51, and therefore the connection between the step column 2 and the supporting block 3 is reinforced, and the step column 2 and the supporting block 3 are stably spliced.

The implementation principle of this application embodiment pin-connected panel stair does: when the step column 2 collapses, the step column 2 descends to drive the control column 41 to descend, and the control column 41 descends to push the third inclined surface 442 so that the warning rod 44 is conveyed away from the supporting block 3; the warning rod 44 moves to drive the limiting block 48 to move towards the direction far away from the supporting block 3 until the limiting block 48 contacts the limiting hole 47 and is far away from one side wall of the fixing block 45, at the moment, the identification part 441 extends out of the mounting hole 43, and a worker can observe the identification part 441 to repair the stair.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an assembled stair, includes stair beam (1), is equipped with a plurality of step posts (2), its characterized in that between the two inside walls of stair beam (1): the two ends of the step column (2) are respectively provided with an installation part (22), a plurality of supporting blocks (3) are respectively installed on the two inner side walls of the stair beam (1), the two side surfaces of the installation part (22) are respectively inclined downwards gradually towards the direction far away from the supporting blocks (3) to form first inclined planes (221), one side surface of each supporting block (3) close to the installation part (22) is inclined downwards gradually towards the direction far away from the stair beam (1) to form second inclined planes (31), each first inclined plane (221) is provided with a corresponding second inclined plane (31) to be contacted, a through hole (42) is formed in each second inclined plane (31), a control column (41) which is spliced with the through hole (42) is fixed on each first inclined plane (221), the control column (41) is inclined downwards gradually towards the direction far away from the stair beam (1), a mounting hole (43) which penetrates through the side wall of the stair beam (1) is formed in one side surface of the stair beam (1), and a warning rod (44) is inserted in the mounting hole (43), the warning rod (44) comprises an identification part (441) positioned in the mounting hole (43), and one end, close to the control column (41), of the warning rod (44) is in contact with one side wall, close to the warning rod (44), of the control column (41).

2. The assembled stair of claim 1, wherein: one end of the warning rod (44) close to the control column (41) is fixedly connected with a fixing block (45), and a supporting spring (46) in a normal state is fixed between the fixing block (45) and one side face of the stair beam (1) close to the control column (41).

3. The assembled stair of claim 2, wherein: one end, far away from the control column (41), of the mounting hole (43) is communicated with a limiting hole (47), the diameter of the limiting hole (47) is larger than that of the mounting hole (43), a limiting block (48) located inside the limiting hole (47) is fixed on the side wall of the warning rod (44), and the identification portion (441) is located on one side, far away from the fixing block (45), of the limiting block (48).

4. The assembled stair as claimed in any one of claims 1 to 3, wherein: one side surface of the warning rod (44) close to the control column (41) is a third inclined surface (442) tightly attached to the control column (41).

5. The assembled stair of claim 1, wherein: the supporting blocks (3) are detachably connected with the stair beams (1).

6. The assembled stair of claim 5, wherein: the supporting blocks (3) are connected with the stair girders (1) through bolts (5), and the bolts (5) are obliquely and downwards connected with the supporting blocks (3) and the stair girders (1) in a threaded manner.

7. The assembled stair of claim 6, wherein: the bolt (5) comprises a cover cap (51) tightly attached to the second inclined surface (31), a clamping groove (222) is formed in the first inclined surface (221), and the clamping groove (222) is clamped with the cover cap (51).

8. The assembled stair of claim 1, wherein: two side faces of the supporting block (3) are respectively provided with a baffle (32), the mounting part (22) is positioned between the two baffles (32), and one side face, close to the mounting part (22), of each baffle (32) is tightly attached to the mounting part (22).