CN108643604A - A kind of pin-connected panel standard stair based on deep basal pit - Google Patents
A kind of pin-connected panel standard stair based on deep basal pit Download PDFInfo
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- CN108643604A CN108643604A CN201810373135.0A CN201810373135A CN108643604A CN 108643604 A CN108643604 A CN 108643604A CN 201810373135 A CN201810373135 A CN 201810373135A CN 108643604 A CN108643604 A CN 108643604A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G27/00—Temporary arrangements for giving access from one level to another for men or vehicles, e.g. steps, ramps
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
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- Ladders (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention discloses a kind of pin-connected panel standard stair based on deep basal pit, belong to piping lane deep basal pit field of operation in municipal works, its main feature is that it includes rail structure, terraced side rail configuration, pedal, support system and scotch, all using making component in advance, woth no need to weld, realize that length adjustment and the recycling of standard stair, safety are both artistic and practical by interstructural mortise and tenon.
Description
Technical field
The invention belongs to piping lane technical field of construction, and in particular to a kind of pin-connected panel standard stair based on deep basal pit.
Background technology
Currently, piping lane engineering as Novel underground structure, has the characteristics that span is long, buried deep.Piping lane deep basal pit with
Work surface is pushed ahead and is constantly excavated forward, the setting of security protection channel difficulty.In the prior art, general scaffolding steel pipe is set up
Stair safety coefficient it is low, complicated, all kinds of pipe fittings used are more, set up it is cumbersome, standardization level difference and unsightly；Using mixed
Although it is beautiful solid that solidifying soil or mortar add block hardening of laying bricks to make stair, cannot be migrated with working face, it is time-consuming and laborious and make
Short with the time, utilization rate is not high, does not utilize cost control；General customization steel cat ladder length is relatively fixed, but does not adapt to base
Cheat all kinds of change in depth, poor universality.Therefore, it is necessary to one kind to reuse, convenient for it is assembled, can be carried out according to foundation depth
The stair of assembled length are adjusted to meet the needs of construction.
Invention content
The problem of in view of background technology, the embodiment of the present invention provide a kind of pin-connected panel standard building based on deep basal pit
Ladder, woth no need to weld, length adjustment and the repetition of standard stair is realized by interstructural mortise and tenon all using component is made in advance
It utilizes, it is safe and practical.
The invention is realized in this way a kind of pin-connected panel standard stair based on deep basal pit are provided, including：
Two sections of terraced side rail configurations disposed in parallel from bottom of foundation ditch platform to foundation pit top platform obliquely, every section of terraced side
Girder construction top is equipped with the card slot in inverted " t " type, and middle part is uniformly provided with several pedal preformed grooves, and lower part is uniformly provided with several supports
Seat, is also uniformly provided with several second preformed holes from up to down along its length thereon；
Two sections of rail structures for being located at terraced side rail configuration top, every section of rail structure include upper rail and are fixed on this
The portion railing bottom connecting seat in " I " fonts compatible with card slot, the connecting seat side are corresponding equal up and down along its length
It is even to be equipped with several the first preformed holes compatible with the second preformed hole；
Several pieces of pedals, every piece of pedal left and right ends are adapted with pedal preformed groove, left and right sides difference in plate face
There are one third preformed holes for setting；
Support system, including several bottoms are placed in ground surface platform, the support element that top is in close contact with support base；And
Two scotch positioned at terraced side rail configuration tail portion, the scotch are fixed on bottom of foundation ditch platform；
Wherein, the lower part of the connecting seat, which is placed in card slot, forms tenon structure；The pedal left and right ends are placed in two sections
Tenon structure is formed on parallel terraced side rail configuration in the corresponding pedal preformed groove in left and right；First preformed hole, second are reserved
Hole and third preformed hole are corresponding and sequentially pass through three kinds of preformed holes from top to bottom by pin by rail structure, terraced side rail configuration
It is fixed with pedal.
As being further improved for technical solution of the present invention, the rail structure is followed successively by first section railing list from head to tail
First, several segment standard section balustrade units and endpiece balustrade units；The first section balustrade units include that first section railing and first section connect
Joint chair；The standard paragraphs balustrade units include standard paragraphs railing and standard paragraphs connecting seat；The endpiece balustrade units include endpiece
Railing and endpiece connecting seat；The first section railing, standard paragraphs railing and endpiece railing form the upper rail, and the first section connects
Joint chair, standard paragraphs connecting seat and endpiece connecting seat be in " I " fonts and form the connecting seat；The ladder side rail configuration packet
Include several sections of terraced side bar units；The ladder side bar unit top is equipped with the terraced side bar unit card slot in inverted " t " type, if middle part is equipped with
The rear and front end of dry pedal preformed groove, bottom is respectively equipped with a T-steel preformed groove；Several terraced side bar unit card slots
The card slot is formed, two adjacent T-steel preformed grooves of adjacent two sections terraced side bar unit bottoms form a support base and pass through one
A compatible T-steel forms tenon structure and is fixedly connected.
As being further improved for technical solution of the present invention, the T-steel preformed groove of every section of terraced side bar unit bottom front end
Back-end closure.
As being further improved for technical solution of the present invention, the equal length of the first section connecting seat and endpiece connecting seat and
The respectively less than length of standard paragraphs connecting seat；The length of the standard paragraphs connecting seat is identical as terraced side bar element length.
Preferably, the length of the standard paragraphs connecting seat is twice of first section connecting seat.
As being further improved for technical solution of the present invention, the support element between the bottom of foundation ditch platform and each support base
If according to the height between bottom of foundation ditch platform and each support base by support baseboard and upper support element or by support baseboard with
Dry standard support part and upper support element are composed；It can be with upper support element bottom or standard branch at the top of the support baseboard
The bottom of support member is detachable to be connected, the bottom or upper support that the top of the standard support part can be with another standard support part
The bottom of part is detachable to be connected.
Being equipped with as being further improved for technical solution of the present invention, at its top center of the support baseboard has external screw thread
Attachment cap；The bottom of the upper support element and standard support part is both provided with screw thread compatible with attachment cap external screw thread
Hole；It is provided with the external screw thread consistent with attachment cap at the top of the standard support part；The top shape of the upper support element with
The shape of support base is adapted.
As can be seen that the present invention has the following advantages from above-mentioned technical proposal：
(1) prefabricated component can be all made in all components of the present invention according to demand, can reuse, while convenient for spelling
Dress reduces use cost；
(2) when standard stair assembly of the present invention, without welding, assembly is realized by the mortise and tenon between component, it is solid resistance to
With safety and beauty；
(3) rail structure, terraced side rail configuration can be built in sections prefabricated components in the present invention, be conveniently adjusted standard stair
The height of length, support element can be adjusted by the quantity of standard support part, and the two exists in conjunction with convenient for the standard stair
It is set up in the foundation pit of arbitrary depth.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the connection diagram of rail structure and terraced side rail configuration in the present invention；
Fig. 3 is the side structure schematic diagram of rail structure in the present invention；
Fig. 4 is the side schematic view of terraced side rail configuration in the present invention；
Fig. 5 is the side schematic view of rail structure in the present invention, terraced side rail configuration and pedal connection；
Fig. 6 is the structural schematic diagram of pedal in the present invention；
Fig. 7 is the structural schematic diagram of pin in the present invention；
Fig. 8 is first section balustrade units structural schematic diagram in the present invention；
Fig. 9 is first section balustrade units side structure schematic diagram in the present invention；
Figure 10 is endpiece balustrade units structural schematic diagram in the present invention；
Figure 11 is endpiece balustrade units side structure schematic diagram in the present invention；
Figure 12 is Plays section balustrade units structural schematic diagram of the present invention；
Figure 13 is Plays section balustrade units side structure schematic diagram of the present invention；
Figure 14 is terraced side bar cellular construction schematic diagram in the present invention；
Figure 15 is terraced side bar unit side structure schematic diagram in the present invention；
Figure 16 is the schematic diagram of T-steel in the present invention；
Figure 17 is support baseboard structural schematic diagram in the present invention；
Figure 18 is supporting piece structure schematic diagram in middle and upper part of the present invention；
Figure 19 is Plays section supporting piece structure schematic diagram of the present invention；
In figure：
1. rail structure, 11. upper rails, 12. connecting seats, 13. first preformed holes, 14. first section balustrade units, 141. head
Section railing, 142. first section connecting seats, 15. standard paragraphs balustrade units, 151. standard paragraphs railings, 152. standard paragraphs connecting seats, 16. tails
Section balustrade units, 161. endpiece railings, 162. endpiece connecting seats,
2. terraced side rail configuration, 21. card slots, 22. pedal preformed grooves, 23. support bases, 24. second preformed holes, 25. terraced side bars
Unit, 251. terraced side bar unit card slots, 252.T shaped steel preformed groove,
3. pedal, 31. third preformed holes,
4. support system, 41. support elements, 411. support baseboards, 411-1. attachment caps, 412. upper support elements, 413. marks
Quasi- support element,
5. pin,
6. bottom of foundation ditch platform,
7. foundation pit top platform,
8. scotch,
9.T shaped steel.
Specific implementation mode
In order to preferably explain the present invention, what the present invention is furture elucidated in the following with reference to the drawings and specific embodiments is interior
Hold, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, all other implementation obtained by those of ordinary skill in the art without making creative efforts
Example belongs to the range of the protection of the present invention.
Embodiment 1：
As shown in Figures 1 to 7, the embodiment of the present invention provides a kind of pin-connected panel standard stair based on deep basal pit, it includes：
Two sections of terraced side rail configurations 2 disposed in parallel from bottom of foundation ditch platform 6 to foundation pit top platform 7 obliquely, every section
2 top of terraced side rail configuration is equipped with the card slot 21 in inverted " t " type, and middle part is uniformly provided with several pedal preformed grooves 22, and lower part is uniformly set
There are several support bases 23, is also uniformly provided with several second preformed holes 24 from up to down along its length thereon；
Two sections of rail structures 1 for being located at 2 top of terraced side rail configuration, every section of rail structure 1 include upper rail 11 and fix
In 11 bottom of the upper rail connecting seat 12 in " I " fonts compatible with card slot 21,12 side of connecting seat is along its length
Correspondence is uniformly provided with several first preformed holes compatible with the second preformed hole 24 13 up and down in direction；
Several pieces of pedals 3, every piece of 3 left and right ends of pedal are adapted with pedal preformed groove 22, the left and right sides in plate face
Third preformed hole 31 there are one being respectively set；
Support system 4, including several bottoms are placed in ground surface platform, the support element that top is in close contact with support base 23
41；And
Two scotch 8 positioned at 2 tail portion of terraced side rail configuration, the scotch 8 are fixed on bottom of foundation ditch platform；
Wherein, the lower part of the connecting seat 12, which is placed in card slot 21, forms tenon structure；3 left and right ends of the pedal are placed in
Formation tenon structure in the corresponding pedal preformed groove 22 in left and right on two sections of parallel terraced side rail configurations 2；First preformed hole 13,
Second preformed hole 24 and third preformed hole 31 are corresponding and sequentially pass through three kinds of preformed holes from top to bottom by railing knot by pin 5
Structure 1, terraced side rail configuration 2 and pedal 3 are fixed.
The present embodiment is in application, each section requires that prefabricated component is made in advance all in accordance with design size, by a left side for each piece of pedal 3
Right both ends mortise and tenon enters in the corresponding pedal preformed groove in left and right on two sections of parallel terraced side rail configurations 2 22, by these pedals 3 by two
Section ladder side rail configuration 2 connects into an entirety, and 1 bottom of rail structure is entered in 12 mortise and tenon of connecting seat of " I " fonts and is mutually fitted therewith
2 top of terraced side rail configuration matched is in the card slot 21 of inverted " t " type, then by the first preformed hole 13, the terraced side bar on connecting seat 12
The third preformed hole 31 on the second preformed hole 24 and pedal 3 in structure 2 is corresponding, then from top to bottom successively using pin 5
Across three kinds of preformed holes, rail structure 1, terraced side rail configuration 2 and pedal 3 are fixed using the dead weight of pin 5, without welding, nothing
Bolt need to be used, then two sections of terraced side rail configurations 2 are set up as the agent structure of pin-connected panel standard stair from bottom of foundation ditch platform 6
To foundation pit top platform 7, scotch 8 is set in the tail portion of terraced side rail configuration 2,2 lower part of terraced side rail configuration support base 23 with
The support element 41 that length differs is set between bottom of foundation ditch platform 6, entire assembled stair are completed by scotch 8 and support element 41
Stress, that is, complete the assembly of entire assembled stair.It, can be appropriate if there is the long situation of support element 41 during use
The lower part of support element 41 is embedded to underground, steel alloy can be selected to increase the stability of entire stair in the material of pin 5.
Embodiment 2：
On the basis of above-described embodiment 1, as shown in Fig. 1 to Figure 16, rail structure 1 described in the present embodiment is by first section column
Bar unit 14, several segment standard section balustrade units 15 and endpiece balustrade units 16 form, and the sequences of three kinds of balustrade units is from head
It is followed successively by first section balustrade units 14, standard paragraphs balustrade units 15 and endpiece balustrade units 16 to tail；The first section balustrade units 14
Including first section railing 141 and first section connecting seat 142；The standard paragraphs balustrade units 15 include standard paragraphs railing 151 and standard paragraphs
Connecting seat 152；The endpiece balustrade units 16 include endpiece railing 161 and endpiece connecting seat 162；The first section railing 141, mark
Quasi- section railing 151 and endpiece railing 161 form the upper rail 11, the first section connecting seat 142, standard paragraphs connecting seat 152
With endpiece connecting seat 162 be in " I " fonts and form the connecting seat 12；The ladder side rail configuration 2 includes several sections of terraced sides
Beam element 25；25 top of ladder side bar unit is equipped with the terraced side bar unit card slot 251 in inverted " t " type, and middle part is equipped with several step on
The rear and front end of plate preformed groove 22, bottom is respectively equipped with a T-steel preformed groove 252；Several terraced side bar unit cards
Slot 251 forms the card slot 21, and two adjacent T-steel preformed grooves 252 of adjacent two sections terraced 25 bottoms of side bar unit form a branch
Support seat 23 is simultaneously fixedly connected by a formation tenon structure of compatible T-steel 9.
To further ensure that 9 mortise and tenon of T-steel enters the effect of T-steel preformed groove 252, every section of terraced 25 bottom front of side bar unit
T-steel preformed groove 252 back-end closure.
To advanced optimize assembled effect, the equal length of the first section connecting seat 142 and endpiece connecting seat 162 and small
In the length of standard paragraphs connecting seat 152；The length of the standard paragraphs connecting seat 152 is identical as terraced side bar 25 length of unit；It is preferred that
, the length of the standard paragraphs connecting seat 152 is twice of first section connecting seat 142.
The present embodiment is by by rail structure 1, the 2 equitable subsection processing of terraced side rail configuration, being convenient for the adjustable of stair length.It answers
Used time will form first section balustrade units 14, standard paragraphs balustrade units 15 and endpiece balustrade units 16, the composition ladder of rail structure 1
The whole designed in advance such as terraced side bar unit 25, pedal 3, support element 41, T-steel 9 and scotch 8 of side rail configuration 2 is simultaneously made
Prefabricated component, at the same ensure the first preformed hole 13 in each section of balustrade units, the second preformed hole 24 on each terraced side bar unit 25 with
And the third preformed hole 31 on pedal 3 can be corresponded in assembly, when assembled, first choose two sections of first section balustrade units 14,
By the first section connecting seat 142 in " I " fonts of its underpart, mortise and tenon enters compatible two sections terraced 25 top of side bar unit therewith respectively
The terraced side bar unit card slot 251 in inverted " t " type, while from side, mortise and tenon enters two sections of ladders respectively by the left and right ends of pedal 3
Side bar unit 25 simultaneously links together this two sections terraced side bar units 25, then using pin 5 penetrate successively the first preformed hole 13,
First section balustrade units 14, terraced side bar unit 25 and pedal 3 are fixed for second preformed hole 24 and third preformed hole 31, at this point,
142 mortise and tenon of first section connecting seat enters the half length of terraced side bar unit card slot 251, continues to choose two segment standard section balustrade units 15 simultaneously
152 mortise and tenon of standard paragraphs connecting seat of its underpart is entered into this two sections terraced side bar units 25 respectively and is fixed with the pin 5 of pedal 3, this
When the standard paragraphs connecting seat 152 of two segment standard section balustrade units, 15 lower part half mortise and tenon be presented enter terraced side bar unit 25, one
Then half hanging state chooses two sections of terraced side bar units 25 standard hanging with the two segment standards section balustrade units 15 respectively again
Section 152 tenon connection of connecting seat, then repeatedly standard paragraphs balustrade units 15, pedal 3 and terraced 25 fixed flow of side bar unit into
The assembly of row stair enters 162 mortise and tenon of endpiece connecting seat of the lower part of endpiece balustrade units 16 after the length for reaching desired
The terraced side bar unit 25 of least significant end, and the two is fixed with pedal 3 by pin 5, adjacent terraced side bar unit 25 each at this time is equal
It is tightly bonded, then T is entered by mortise and tenon in the adjacent T-steel preformed groove 252 of the bottom of two sections of adjacent terraced side bar units 25
Shaped steel 9 is fixed, and realizes terraced 25 seamless splicing structure of side bar unit using the Gravitative Loads of T-steel, finally setting is corresponding
Support element 41 and scotch 8；In the present embodiment, the equal length of first section connecting seat 142 and endpiece connecting seat 162 and it is
The half of the length of standard paragraphs connecting seat 152；The length of standard paragraphs connecting seat 152 is identical as terraced side bar 25 length of unit, in this way
In assembly, can to fix by tenon structure between adjacent all kinds of balustrade units and adjacent terraced side bar unit
When, the state that is exactly staggered so that the stair after assembled are more firm, while it is reserved to also allow for the first preformed hole 13 and second
The quick correspondence in hole 24.
Embodiment 3：
On the basis of embodiment 1 or embodiment 2, as shown in Fig. 1 to Figure 19, the bottom of foundation ditch platform 6 and each support
Support element 41 between seat 23 is according to the height between bottom of foundation ditch platform 6 and each support base 23 by support baseboard 411 and top
Support element 412 is composed of support baseboard 411 and several standard support parts 413 and upper support element 412；The branch
Support bottom plate 411 top can with the bottom of 412 bottom of upper support element or standard support part 413 is detachable is connected, the standard
The top of support element 413 can with the bottom of the bottom of another standard support part 413 or upper support element 412 is detachable is connected.
Preferably, being equipped at its top center of the support baseboard 411 has externally threaded attachment cap 411-1；On described
The bottom of portion's support element 412 and standard support part 413 is both provided with threaded hole compatible with attachment cap 411-1 external screw threads；Institute
The top for stating standard support part 413 is provided with the external screw thread consistent with attachment cap 411-1；The top of the upper support element 412
Shape is adapted with the shape of support base 23.
In the present embodiment, essentially consists in support element 41 used in support system 4 and be designed to length adjustable, that is, pass through mark
The quantity of quasi- support element 413 reaches the height of desired support element 41, support seat board 411, upper support element 412 and standard branch
Support member 413 is fabricated to prefabricated component in advance, convenient for assembled convenience.
Claims (7)
1. a kind of pin-connected panel standard stair based on deep basal pit, characterized in that including：
Two sections of terraced side rail configurations (2) disposed in parallel from bottom of foundation ditch platform (6) to foundation pit top platform (7) obliquely, often
Terraced side rail configuration (2) top of section is equipped with the card slot (21) in inverted " t " type, and middle part is uniformly provided with several pedal preformed grooves (22), under
Portion is uniformly provided with several support bases (23), is also uniformly provided with several second preformed holes from up to down along its length thereon
(24)；
Two sections of rail structures (1) for being located at terraced side rail configuration (2) top, every section of rail structure (1) include upper rail (11) and
It is fixed on upper rail (11) bottom and the compatible connecting seat (12) in " I " fonts of card slot (21), the connecting seat (12)
Side is corresponding up and down along its length to be uniformly provided with several and compatible first preformed hole (13) of the second preformed hole (24)；
Several pieces of pedals (3), every piece of pedal (3) left and right ends are adapted with pedal preformed groove (22), left and right two in plate face
Side is respectively set there are one third preformed hole (31)；
Support system (4), including several bottoms are placed in ground surface platform, the support element that top is in close contact with support base (23)
(41)；And
Two scotch (8) positioned at terraced side rail configuration (2) tail portion, the scotch (8) are fixed on bottom of foundation ditch platform；
Wherein, connecting seat (12) lower part, which is placed in card slot (21), forms tenon structure；Pedal (3) left and right ends are placed in
Tenon structure is formed on two sections of parallel terraced side rail configurations (2) in the corresponding pedal preformed groove (22) in left and right；Described first is reserved
Hole (13), the second preformed hole (24) and third preformed hole (31) are corresponding and sequentially pass through three kinds from top to bottom by pin (5)
Preformed hole is fixed by rail structure (1), terraced side rail configuration (2) and pedal (3).
2. a kind of pin-connected panel standard stair based on deep basal pit according to claim 1, characterized in that the rail structure
(1) first section balustrade units (14), several segment standard section balustrade units (15) and endpiece balustrade units are followed successively by from head to tail
(16)；The first section balustrade units (14) include first section railing (141) and first section connecting seat (142)；The standard paragraphs railing list
First (15) include standard paragraphs railing (151) and standard paragraphs connecting seat (152)；The endpiece balustrade units (16) include endpiece railing
(161) and endpiece connecting seat (162)；The first section railing (141), standard paragraphs railing (151) and endpiece railing (161) form institute
Upper rail (11) is stated, the first section connecting seat (142), standard paragraphs connecting seat (152) and endpiece connecting seat (162) are in " work "
Font and form the connecting seat (12)；The ladder side rail configuration (2) includes several sections of terraced side bar units (25)；The ladder side
Beam element (25) top is equipped with the terraced side bar unit card slot (251) in inverted " t " type, and middle part is equipped with several pedal preformed grooves (22),
The rear and front end of bottom is respectively equipped with a T-steel preformed groove (252)；Several terraced side bar unit card slot (251) groups
At the card slot (21), the two adjacent T-steel preformed grooves (252) of adjacent two sections terraced side bar unit (25) bottoms form a support
Seat (23) is simultaneously fixedly connected by compatible T-steel (9) formation tenon structure.
3. a kind of pin-connected panel standard stair based on deep basal pit according to claim 2, characterized in that every section of terraced side bar list
The back-end closure of the T-steel preformed groove (252) of first (25) bottom front.
4. a kind of pin-connected panel standard stair based on deep basal pit according to claim 2 or 3, characterized in that the first section
The length of the equal length of connecting seat (142) and endpiece connecting seat (162) and respectively less than standard paragraphs connecting seat (152)；The mark
The length of quasi- section connecting seat (152) is identical as terraced side bar unit (25) length.
5. a kind of pin-connected panel standard stair based on deep basal pit according to claim 2 or 3, characterized in that the first section
Connecting seat (142) is identical with the length of endpiece connecting seat (162)；The length of the standard paragraphs connecting seat (152) and terraced side bar list
First (25) length is identical；The length of the standard paragraphs connecting seat (152) is twice of first section connecting seat (142).
6. a kind of pin-connected panel standard stair based on deep basal pit according to any of the above-described claim, characterized in that institute
The support element (41) between bottom of foundation ditch platform (6) and each support base (23) is stated according to bottom of foundation ditch platform (6) and each support base
(23) height between is by support baseboard (411) and upper support element (412) or by support baseboard (411) and several standard branch
Support member (413) and upper support element (412) are composed；It can be with upper support element (412) at the top of the support baseboard (411)
Bottom or the bottom of standard support part (413) are detachable connected, and the top of the standard support part (413) can be with another standard
The bottom of support element (413) or the bottom of upper support element (412) are detachable connected.
7. a kind of pin-connected panel standard stair based on deep basal pit according to claim 6, characterized in that the support baseboard
(411) being equipped at its top center has externally threaded attachment cap (411-1)；The upper support element (412) and standard support
The bottom of part (413) is both provided with threaded hole compatible with attachment cap (411-1) external screw thread；The standard support part (413)
Top be provided with the consistent external screw thread of attachment cap (411-1)；The top shape and support base of the upper support element (412)
(23) shape is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373135.0A CN108643604B (en) | 2018-04-24 | 2018-04-24 | Pin-connected panel standard stair based on deep basal pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373135.0A CN108643604B (en) | 2018-04-24 | 2018-04-24 | Pin-connected panel standard stair based on deep basal pit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108643604A true CN108643604A (en) | 2018-10-12 |
| CN108643604B CN108643604B (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810373135.0A Active CN108643604B (en) | 2018-04-24 | 2018-04-24 | Pin-connected panel standard stair based on deep basal pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561181A (en) * | 2020-06-10 | 2020-08-21 | 惠州市一帆实业有限公司 | Detachable temporary stair and disassembling and assembling method of temporary stair |
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| CN204825915U (en) * | 2015-07-30 | 2015-12-02 | 中国建筑第六工程局有限公司 | A assembled cat ladder for in foundation ditch |
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|---|---|---|---|---|
| US4355700A (en) * | 1981-02-17 | 1982-10-26 | Matthews Wesley D | Modular stairway system for installation on structures having non-linear walls |
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| CN201486065U (en) * | 2009-05-27 | 2010-05-26 | 黄瑞平 | Combined-type rail device employing simple assembly method |
| WO2012058389A2 (en) * | 2010-10-27 | 2012-05-03 | Beckm, Llc | Stair system |
| CN204825915U (en) * | 2015-07-30 | 2015-12-02 | 中国建筑第六工程局有限公司 | A assembled cat ladder for in foundation ditch |
| CN205669325U (en) * | 2016-06-17 | 2016-11-02 | 大庆市智力金属加工有限公司 | Combined steel panel stair |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561181A (en) * | 2020-06-10 | 2020-08-21 | 惠州市一帆实业有限公司 | Detachable temporary stair and disassembling and assembling method of temporary stair |
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| CN108643604B (en) | 2020-06-05 |
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