CN214835086U - Assembly type construction climbing stair capable of being circulated - Google Patents
Assembly type construction climbing stair capable of being circulated Download PDFInfo
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- CN214835086U CN214835086U CN202023296273.5U CN202023296273U CN214835086U CN 214835086 U CN214835086 U CN 214835086U CN 202023296273 U CN202023296273 U CN 202023296273U CN 214835086 U CN214835086 U CN 214835086U
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Abstract
The utility model discloses an assembled construction stair of going up people that can have enough to meet need, include: a bottom staircase; the bottom end of the middle stair is detachably connected with the top end of the bottom stair; the top stair, top stair bottom can dismantle with middle part stair top and be connected, and top stair top below is provided with the support leg frame. The utility model discloses an assembled construction stair of going up people that can have enough to meet need adopts bottom stair, middle part stair and the top stair that can dismantle the connection, and not only occupation space is little, is convenient for transport the turnover moreover.
Description
Technical Field
The utility model relates to a building appliances technical field, more specifically the assembled construction that says so relates to a can have enough to meet need stair of going up people.
Background
Among the present house construction, the stair of indoor generally adopt assembled stair, and stair install after the roofing construction is accomplished promptly, consequently, for the convenience of the workman goes up and down stair when the lower floor is under construction, it is convenient to transport the material, often sets up interim stair between the floor of going up and down, and interim stair often forms for the iron stand welding, for can not dismantle stair, not only weight is big, and area occupied is great moreover, the transportation of being not convenient for.
Therefore, how to provide a convenient-to-transport, assembled and rotatable assembly type construction stair for people going up is a problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a but assembled turnover assembled construction stair of going up people convenient to transportation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a fabricated construction boarding stair that can be turnaround, comprising:
a bottom staircase;
the bottom end of the middle stair is detachably connected with the top end of the bottom stair;
the top stair, top stair bottom with the connection can be dismantled to middle part stair top, top stair top below is provided with the supporting leg frame.
Can know via foretell technical scheme, compare with prior art, the utility model discloses an assembly type construction stair of going up people that can have enough to meet need adopts bottom stair, middle part stair and the top stair that can dismantle the connection for stair not only occupation space is little, is convenient for transport the turnover moreover.
Further, the bottom stairs comprise:
the number of the bottom side beams is two, and the bottom side beams are arranged in parallel at intervals;
the bottom pedals are multiple and fixedly arranged between the two bottom side beams at intervals;
two bottom handrail guardrails are arranged and are respectively and fixedly connected to the two bottom side beams;
the middle part stair includes:
the two middle side beams are arranged in parallel at intervals;
the middle pedals are arranged between the two middle side beams at intervals;
two middle handrail guardrails are arranged and are respectively and fixedly connected to the two middle side beams;
the top stairs comprise:
the two top side beams are arranged in parallel at intervals;
the top pedals are multiple and fixedly arranged between the two side roof beams at intervals;
the two top handrail guardrails are respectively and fixedly connected to the two top side beams;
one side of the top platform plate is fixedly connected with the top ends of the two top side beams, and the bottom end of the top platform plate is fixedly provided with the supporting leg frame;
the two bottom side beam top ends are respectively connected with the two middle side beam bottoms in a detachable mode through first connecting pieces, the two middle side beam top ends are respectively connected with the two top side beam bottoms in a detachable mode through second connecting pieces, and the two ends of the middle handrail guardrail are respectively in butt joint with the end portions of the bottom handrail guardrail and the end portions of the top handrail guardrail.
Further, the first connecting member includes:
the first connecting insertion block is fixedly connected with the top of the inner side of the bottom side beam;
the first connection inserting groove block is fixedly connected with the bottom of the inner side of the middle side beam, a first inserting groove is formed in the side end, opposite to the first connection inserting block, of the first connection inserting groove block, the first connection inserting block is inserted into the first inserting groove, and the first connection inserting block is fixedly connected with the first connection inserting groove block through a first drawing spring pin penetrating through the bottom of the outer side wall of the middle side beam.
Furthermore, a first through hole is formed in the bottom of the outer side wall of the middle side beam, a second through hole which is coaxially arranged with the first through hole is formed in the first connecting insertion block, a third through hole which is coaxially arranged with the second through hole is formed in the first connecting insertion groove block, and a first drawable spring pin tail penetrates through the first through hole, the second through hole and a first pin is connected behind the third through hole.
Further, the first drawable spring pin comprises:
one side end of the first fixing sleeve is vertically and fixedly connected to the bottom of the outer side wall of the middle side beam, and the first fixing sleeve and the first through hole are coaxially arranged;
the tail part of the first drawing pin penetrates through the first fixing sleeve, the first through hole, the second through hole and the third through hole and then is connected with the first clamping pin;
the first reset spring is arranged in the first fixed sleeve and sleeved on the first drawing pin, one end of the first reset spring is fixedly connected with the first drawing pin, and the other end of the first reset spring is fixed with the wall of the first fixed sleeve.
Adopt the beneficial effect that above-mentioned technical scheme produced to be, outwards extract first pull pin, first reset spring compression connects the plug to first slot with first connection, then loosens first pull pin, and first pull pin passes the second and wears to establish hole, third and wears to establish the hole after under first reset spring's effect, uses first bayonet lock fixed, prevents that first pull pin from deviating from, and this time bottom stair and middle part stair are connected fixedly. This connection structure is simple, easily operation, screws up the operation many times when need not bolt fastening, can realize the quick assembly disassembly of bottom stair and middle part stair.
Further, the second connecting member includes:
the second connecting insertion block is fixedly connected with the top of the inner side of the middle side beam;
the second connection inserting groove block is fixedly connected with the bottom of the inner side of the top side beam, a second inserting groove is formed in the side end, opposite to the second connection inserting block, of the second connection inserting groove block, the second connection inserting block is inserted into the second inserting groove, and the second connection inserting block is fixedly connected with the second connection inserting groove block through a second drawing spring pin penetrating through the bottom of the outer side wall of the top side beam.
Furthermore, a fourth through hole is formed in the bottom of the outer side wall of the top side beam, a fifth through hole which is coaxially arranged with the fourth through hole is formed in the second connecting insertion block, a sixth through hole which is coaxially arranged with the fifth through hole is formed in the second connecting insertion groove block, and a second pin is connected to the rear portion of the second drawable spring pin after penetrating through the fourth through hole, the fifth through hole and the sixth through hole.
Further, the second drawable spring pin comprises:
one side end of the second fixing sleeve is vertically and fixedly connected to the bottom of the outer side wall of the top side beam, and the second fixing sleeve and the fourth through hole are coaxially arranged;
the tail part of the second drawing pin penetrates through the second fixed sleeve, the fourth penetrating hole, the fifth penetrating hole and the sixth penetrating hole and then is connected with the second clamping pin;
and the second reset spring is arranged in the second fixed sleeve and sleeved on the second drawing pin, one end of the second reset spring is fixedly connected with the second drawing pin, and the other end of the second reset spring is fixed with the cylinder wall of the second fixed sleeve.
Adopt the beneficial effect that above-mentioned technical scheme produced to be, outwards extract the second pull pin, the second reset spring compression is connected the inserted block with the second and is pegged graft on the second slot, then loosens the second pull pin, and the second pull pin passes fifth through hole, the sixth through hole back under second reset spring's effect, uses the second bayonet lock fixed, prevents that the second pull pin from deviating from, and middle part stair and top stair are connected fixedly so far. This connection structure is simple, easily operation, screws up the operation many times when need not bolt fastening, can realize the quick assembly disassembly of middle part stair and top stair.
Furthermore, a first butt-joint jack is formed in the bottom end of the middle handrail guardrail, a first butt-joint plug rod is arranged at the end part of the bottom handrail guardrail, and the first butt-joint plug rod is in butt-joint and plug-joint with the first butt-joint jack; the top end of the middle handrail guardrail is provided with a second butt-joint inserted bar, the end part of the top handrail guardrail is provided with a second butt-joint jack, and the second butt-joint inserted bar is in butt-joint and plug-joint with the second butt-joint jack.
The beneficial effects that adopt above-mentioned technical scheme to produce are that, simple structure, easily operation can realize the quick assembly disassembly of bottom handrail guardrail, middle part handrail guardrail, top handrail guardrail.
Further, still include the stair down, the stair down includes:
the lower stair comprises:
the two lower stair side beams are arranged in parallel at intervals;
a plurality of stair descending pedals are fixedly arranged between the two stair descending side beams at intervals;
the number of the stair descending handrail guardrails is two, and the two stair descending handrail guardrails are respectively and fixedly connected to the two stair descending side beams;
the top end of the side beam of the lower stair is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the supporting leg frame through a connecting bolt; and the bottom ends of the bottom side beams, the bottom ends of the supporting leg frames and the bottom ends of the lower stair side beams are fixedly welded with supporting plates.
The beneficial effect who adopts above-mentioned technical scheme to produce is, through the setting of going down the stair, the workman of being convenient for reachs upper construction operation face to the setting of backup pad has improved the holistic support stability of stair.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Figure 1 the attached drawing does the utility model provides a can have enough to meet need assembled construction go up people's stair's schematic structure.
Fig. 2 is an enlarged schematic view of a part a in fig. 1.
Fig. 3 is an enlarged schematic view of a part B in fig. 1.
Fig. 4 is a schematic structural view of the bottom stair.
Fig. 5 is a schematic structural view of the middle stair.
Fig. 6 is a schematic structural view of the top stair.
Fig. 7 is a schematic structural diagram of the first connecting piece and the second connecting piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the embodiment of the utility model discloses assembled construction stair of going up people that can have enough to meet need includes:
a bottom staircase 1;
the bottom end of the middle stair 2 is detachably connected with the top end of the bottom stair 1;
With particular reference to fig. 4-6, the bottom staircase 1 comprises:
two bottom side beams 11 are arranged in parallel at intervals;
a plurality of bottom pedals 12, wherein the bottom pedals 12 are fixedly arranged between the two bottom side beams 11 at intervals;
two bottom handrail guardrails 13 are arranged, and the two bottom handrail guardrails 13 are respectively and fixedly connected to the two bottom side beams 11;
the middle stair 2 comprises:
two middle side beams 21 are arranged in parallel at intervals;
a plurality of middle pedals 22 are arranged between the two middle side beams 21 at intervals;
two middle handrail guard rails 23 are arranged and are respectively and fixedly connected to the two middle side beams 21;
the top stairs 3 comprise:
two side roof rails 31, the two side roof rails 31 being arranged in parallel at intervals;
a plurality of top steps 32, the top steps 32 being fixedly mounted between the two side roof rails 31 at intervals;
two top handrail guardrails 33, wherein the two top handrail guardrails 33 are respectively and fixedly connected to the two top side beams 31;
one side of the top platform plate 34 is fixedly connected with the top ends of the two top side beams 31, and the bottom end of the top platform plate 34 is fixedly provided with a supporting leg frame 4;
wherein, 11 tops of two bottom curb girders are respectively can dismantle with two 21 bottoms of middle curb girders through first connecting piece 5 and be connected, and two 21 tops of middle curb girders are respectively can dismantle with two 31 bottoms of roof curb girder through second connecting piece 6 and be connected, and 23 both ends of middle handrail guardrail dock with 13 tip of bottom handrail guardrail and 33 tip of top handrail guardrail respectively.
The bottom side beam, the middle side beam and the top side beam can adopt channel steel; the bottom pedal, the middle pedal and the top pedal can be corrugated steel plates; the bottom handrail guardrail, the middle handrail guardrail and the top handrail guardrail can be made of rectangular steel.
With particular reference to fig. 7, the first connecting member 5 comprises:
a first connection plug block 51, the first connection plug block 51 being fixedly connected with the top of the inner side of the bottom side beam 11;
the first connecting socket block 52 is fixedly connected with the bottom of the inner side of the middle side beam 21, a first socket 521 is arranged at the side end, opposite to the first connecting socket block 51, of the first connecting socket block 52, the first connecting socket block 51 is inserted into the first socket 521, and the first connecting socket block 51 is fixedly connected with the first connecting socket block 52 through a first drawable spring pin 53 penetrating through the bottom of the outer side wall of the middle side beam 21.
First through hole 211 has been seted up to middle part curb girder 21 lateral wall bottom, set up on the first connection socket block 51 with the coaxial second through hole 511 of arranging of first through hole 211, set up on the first connection socket block 52 with the coaxial third through hole 522 of arranging of second through hole 511, be connected with first bayonet 54 behind first pull spring pin 53 afterbody passed first through hole 211, second through hole 511, the third through hole 522.
The first extractable spring pin 53 comprises:
one side end of the first fixing sleeve 531 is vertically and fixedly connected to the bottom of the outer side wall of the middle side beam 21, and the first fixing sleeve 531 and the first through hole 211 are coaxially arranged;
the tail part of the first drawing pin 532 passes through the first fixed sleeve 531, the first through hole 211, the second through hole 511 and the third through hole 522 and then is connected with the first bayonet 54;
The second connecting member 6 includes:
a second connecting insert 61, the second connecting insert 61 being fixedly connected to the top of the inner side of the middle side member 21;
the second connection inserting groove block 62, the second connection inserting groove block 62 and the inner side bottom of the top side beam 31 are fixedly connected, a second inserting groove 621 is formed in the side end, opposite to the second connection inserting block 61, of the second connection inserting groove block 62, the second connection inserting block 61 is inserted into the second inserting groove 621, and the second connection inserting block 61 and the second connection inserting groove block 62 are fixedly connected through a second drawing spring pin 63 penetrating through the bottom of the outer side wall of the top side beam 31.
A fourth through hole 311 is formed in the bottom of the outer side wall of the top side beam 31, a fifth through hole 611 coaxially arranged with the fourth through hole 311 is formed in the second connecting insert block 61, a sixth through hole 622 coaxially arranged with the fifth through hole 611 is formed in the second connecting insert block 62, and a second bayonet 64 is connected to the tail portion of the second drawable spring pin 63 after passing through the fourth through hole 311, the fifth through hole 611 and the sixth through hole 622.
The second extractable spring pin 63 comprises:
a second fixing sleeve 631, one side end of the second fixing sleeve 631 is vertically and fixedly connected to the bottom of the outer side wall of the side roof rail 31, and the second fixing sleeve 631 is coaxially arranged with the fourth through hole 311;
the tail of the second drawing pin 632 passes through the second fixing sleeve 631, the fourth through hole 311, the fifth through hole 611 and the sixth through hole 622 and then is connected with the second pin 64;
a second return spring 633, the second return spring 633 is disposed in the second fixing sleeve 631 and sleeved on the second drawing pin 632, one end of the second return spring 633 is fixedly connected with the second drawing pin 632, and the other end is fixed with the wall of the second fixing sleeve 631.
The bottom end of the middle handrail guardrail 23 is provided with a first butt-joint jack 231, the end of the bottom handrail guardrail 13 is provided with a first butt-joint plug rod 131, and the first butt-joint plug rod 131 is in butt-joint plug with the first butt-joint jack 231; the top end of the middle handrail guard 23 is provided with a second butt-joint plug rod 232, the end of the top handrail guard 33 is provided with a second butt-joint jack 331, and the second butt-joint plug rod 232 is butt-jointed and plugged with the second butt-joint jack 331.
Assembled construction stair of going up people that can have enough to meet need still includes stair 7 down, and stair 7 includes down:
the lower stairs 7 comprise:
the two lower stair side beams 71 are arranged in parallel at intervals;
a plurality of stair descending pedals 72 are fixedly arranged between the two stair descending side beams 71 at intervals;
two lower stair handrail guardrails 73, wherein the two lower stair handrail guardrails 73 are respectively and fixedly connected to the two lower stair side beams 71;
wherein, the top end of the side beam 71 going downstairs is fixedly connected with a connecting plate 74, and the connecting plate 74 is fixedly connected with the supporting leg frame 4 through a connecting bolt 75; the bottom ends of the bottom side beams 11, the bottom ends of the supporting leg frames 4 and the bottom ends of the lower stair side beams 71 are all fixedly welded with supporting plates 8.
The utility model discloses a but assembled construction of turnover stair of going up people, bottom stair, middle stair and top stair adopt first connecting piece and second connecting piece can dismantle the connection, during the equipment, outwards pull out first pull pin, first reset spring compresses, plug in first connection plug-in block to first slot, then loosen first pull pin, first pull pin passes second wear hole, third wear hole under first reset spring's effect, use first bayonet lock fixed, prevent that first pull pin from deviating from, so far bottom stair and middle stair are connected fixedly; then, outwards pull out the second pull pin, second reset spring compression connects the inserted block with the second and inserts on the second slot, then loosens second pull pin, and second pull pin passes fifth wearing hole, sixth wearing hole back under second reset spring's effect, uses the second bayonet lock fixed, prevents that the second pull pin from deviating from, and middle part stair and top stair are connected fixedly so far.
This stair adopt first drawable spring pin and second drawable spring pin to connect, easy operation need not a plurality of bolts and screws up fixedly many times, can realize quick assembly disassembly, and occupation space is little, the transportation turnover and the storage of easily stair.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a but assembled construction of turnover stair of going up people which characterized in that includes:
a bottom staircase (1);
the bottom end of the middle stair (2) is detachably connected with the top end of the bottom stair (1);
the top stair (3), top stair (3) bottom with the connection can be dismantled on middle part stair (2) top, top stair (3) top below is provided with supporting leg frame (4).
2. A turnaround assembly construction boarding stair according to claim 1, characterized in that the bottom stair (1) comprises:
the number of the bottom side beams (11) is two, and the bottom side beams (11) are arranged in parallel at intervals;
a plurality of bottom pedals (12), wherein the bottom pedals (12) are fixedly arranged between the two bottom side beams (11) at intervals;
the number of the bottom handrail guardrails (13) is two, and the two bottom handrail guardrails (13) are respectively and fixedly connected to the two bottom side beams (11);
the middle stair (2) comprises:
the number of the middle side beams (21) is two, and the middle side beams (21) are arranged in parallel at intervals;
the middle pedals (22) are multiple, and the middle pedals (22) are fixedly arranged between the two middle side beams (21) at intervals;
the number of the middle handrail guardrails (23) is two, and the two middle handrail guardrails (23) are respectively and fixedly connected to the two middle side beams (21);
the top stairs (3) comprise:
two side roof rails (31), the side roof rails (31) being arranged in parallel at intervals;
a plurality of top pedals (32), wherein the top pedals (32) are fixedly arranged between the two side roof rails (31) at intervals;
the number of the top handrail guardrails (33) is two, and the two top handrail guardrails (33) are respectively and fixedly connected to the two top side beams (31);
one side of the top platform plate (34) is fixedly connected with the top ends of the two side roof beams (31), and the bottom end of the top platform plate (34) is fixedly provided with the supporting leg frame (4);
the top ends of the bottom side beams (11) are respectively detachably connected with the bottom ends of the middle side beams (21) through first connecting pieces (5), the top ends of the middle side beams (21) are respectively detachably connected with the bottom ends of the top side beams (31) through second connecting pieces (6), and two ends of the middle handrail guardrail (23) are respectively butted with the end portions of the bottom handrail guardrail (13) and the top handrail guardrail (33).
3. A turnaround assembly stair for people on construction according to claim 2, wherein the first connector (5) comprises:
the first connecting plug block (51), the first connecting plug block (51) is fixedly connected with the top of the inner side of the bottom side beam (11);
first connection socket groove piece (52), first connection socket groove piece (52) with middle part curb girder (21) inboard bottom fixed connection, first slot (521) have been seted up with the relative side of first connection socket block (51) on first connection socket groove piece (52), first connection socket block (51) are pegged graft on first slot (521), and will through wearing to establish first drawable spring pin (53) on middle part curb girder (21) lateral wall bottom first connection socket block (51) with first connection socket block (52) fixed connection.
4. The assembly type construction climbing stair capable of being circulated according to claim 3, wherein a first through hole (211) is formed in the bottom of the outer side wall of the middle side beam (21), a second through hole (511) which is coaxially arranged with the first through hole (211) is formed in the first connecting insert block (51), a third through hole (522) which is coaxially arranged with the second through hole (511) is formed in the first connecting insert groove block (52), and a first clamping pin (54) is connected to the rear portion of the first drawable spring pin (53) after penetrating through the first through hole (211), the second through hole (511) and the third through hole (522).
5. A turnaround-able fabricated construction boarding stair according to claim 4, characterized in that the first drawable spring pin (53) comprises:
one side end of the first fixing sleeve (531) is vertically and fixedly connected to the bottom of the outer side wall of the middle side beam (21), and the first fixing sleeve (531) and the first through hole (211) are coaxially arranged;
the tail part of the first drawing pin (532) penetrates through the first fixed sleeve (531), the first through hole (211), the second through hole (511) and the third through hole (522) and then is connected with the first bayonet (54);
the first reset spring (533) is arranged in the first fixed sleeve (531) and sleeved on the first drawing pin (532), one end of the first reset spring (533) is fixedly connected with the first drawing pin (532), and the other end of the first reset spring is fixed with the wall of the first fixed sleeve (531).
6. A turnaround assembly stair man according to claim 2, wherein the second connector (6) comprises:
the second connecting insert block (61), the second connecting insert block (61) is fixedly connected with the top of the inner side of the middle side beam (21);
the second connects and inserts groove block (62), second connect insert groove block (62) with inside bottom fixed connection of roof side rail (31), on second connect insert groove block (62) with second connect the opposite side of inserted block (61) and seted up second slot (621), inserted block (61) is pegged graft to be in on second slot (621), and will through wearing to establish second drawable spring pin (63) on roof side rail (31) lateral wall bottom second connect inserted block (61) with second connect insert groove block (62) fixed connection.
7. A rotatable assembly type construction boarding stair as claimed in claim 6, characterized in that a fourth through hole (311) is formed in the bottom of the outer side wall of the top side beam (31), a fifth through hole (611) coaxially arranged with the fourth through hole (311) is formed in the second connection insertion block (61), a sixth through hole (622) coaxially arranged with the fifth through hole (611) is formed in the second connection insertion slot block (62), and a second bayonet pin (64) is connected behind the fourth through hole (311), the fifth through hole (611) and the sixth through hole (622) after the second drawable spring pin (63) passes through the fourth through hole (311).
8. A turnaround-able fabricated construction boarding stair according to claim 7, characterized in that the second drawable spring pin (63) comprises:
a second fixing sleeve (631), one side end of the second fixing sleeve (631) is vertically and fixedly connected to the bottom of the outer side wall of the top side beam (31), and the second fixing sleeve (631) is coaxially arranged with the fourth through hole (311);
the tail part of the second drawing pin (632) penetrates through the second fixed sleeve (631), the fourth through hole (311), the fifth through hole (611) and the sixth through hole (622) and then is connected with the second clamping pin (64);
the second reset spring (633) is arranged in the second fixed sleeve (631) and sleeved on the second drawing pin (632), one end of the second reset spring (633) is fixedly connected with the second drawing pin (632), and the other end of the second reset spring is fixed with the wall of the second fixed sleeve (631).
9. A turnover assembly type construction climbing stair according to any one of claims 2-8, wherein a first butt-joint jack (231) is formed at the bottom end of the middle handrail guardrail (23), a first butt-joint plug rod (131) is arranged at the end of the bottom handrail guardrail (13), and the first butt-joint plug rod (131) is in butt-joint with the first butt-joint jack (231); the top end of the middle handrail guardrail (23) is provided with a second butt-joint insertion rod (232), the end part of the top handrail guardrail (33) is provided with a second butt-joint insertion hole (331), and the second butt-joint insertion rod (232) is in butt-joint insertion with the second butt-joint insertion hole (331).
10. A turnaround assembly stairwell according to any one of claims 2 to 8, further comprising a stairwell (7), the stairwell (7) comprising:
the stairway (7) comprises:
the two lower stair side beams (71) are arranged in parallel at intervals;
a plurality of stair descending pedals (72), wherein the stair descending pedals (72) are fixedly arranged between the two stair descending side beams (71) at intervals;
two stair descending handrail guardrails (73), wherein the two stair descending handrail guardrails (73) are respectively and fixedly connected to the two stair descending side beams (71);
the top end of the lower stair side beam (71) is fixedly connected with a connecting plate (74), and the connecting plate (74) is fixedly connected with the supporting leg frame (4) through a connecting bolt (75); and the bottom ends of the bottom side beams (11), the bottom ends of the supporting leg frames (4) and the bottom ends of the lower stair side beams (71) are all fixedly welded with supporting plates (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202023296273.5U CN214835086U (en) | 2020-12-31 | 2020-12-31 | Assembly type construction climbing stair capable of being circulated |
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CN202023296273.5U CN214835086U (en) | 2020-12-31 | 2020-12-31 | Assembly type construction climbing stair capable of being circulated |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114960335A (en) * | 2022-06-30 | 2022-08-30 | 中冶建工集团有限公司 | Movable access road for underground engineering construction |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114960335A (en) * | 2022-06-30 | 2022-08-30 | 中冶建工集团有限公司 | Movable access road for underground engineering construction |
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