CN108252646B - Foundation pit escape ladder - Google Patents
Foundation pit escape ladder Download PDFInfo
- Publication number
- CN108252646B CN108252646B CN201810103070.8A CN201810103070A CN108252646B CN 108252646 B CN108252646 B CN 108252646B CN 201810103070 A CN201810103070 A CN 201810103070A CN 108252646 B CN108252646 B CN 108252646B
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- CN
- China
- Prior art keywords
- bumper bar
- bar
- hook
- foundation pit
- ladder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
- E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The present invention relates to a kind of foundation pit escape ladders, including several ladder units being successively detachably connected, ladder unit includes two parallel cleat stanchions and is arranged between two cleat stanchions for the crosspiece trampled for user, cleat stanchion one end is provided with the hook for connecting with upper height ladder unit, the other end is provided with for for the hanger bar hooked together on the ladder unit of next height, hanger bar is between two cleat stanchions, the bumper bar parallel with cleat stanchion is provided on cleat stanchion, the both ends of bumper bar and the both ends of cleat stanchion connect, anti-falling rods are tiltedly installed on bumper bar, angle a between anti-falling rods and the central axis of bumper bar is acute angle, angle a is open towards hook end, anti-falling rods quantity is multiple and is uniformly distributed along the axial direction of bumper bar, the lock ring for connecting with the safety rope with user is socketed on bumper bar, lock ring can Along sliding axially for bumper bar, user's security performance in climbing is high.
Description
Technical field
The present invention relates to the safety devices in civil engineering, in particular to a kind of foundation pit escape ladder.
Background technique
With the development of economy, land resource tends to be nervous.The soil in bustling location in civil construction project especially city
Wood construction engineering starts to develop and utilize the underground space on a large scale.Currently, China's building structure is especially some commercial buildings
Structure generally has one layer or two layers of basement.Some large-scale building structure include even three layers, four layers of basement, base
The cutting depth in hole reaches 16m or less.Meanwhile with the development of rail traffic in recent years, the excavation of subway station foundation pit is also more next
More universal, the cutting depth of subway station foundation pit is generally more than 20m.Foundation Pit Construction is there are certain risk, and foundation pit
Cutting depth is bigger, and degree of danger is higher.Once there is base pit engineering serious accident, the injures and deaths number of constructing operation personnel
Amount is often very big.In order to guarantee constructing operation personnel's personal safety, according to the safety in production side of " safety first is puted prevention first "
Needle, should accomplish prevention in advance, carry out accident again and later emergency safety measure occurs.Therefore, foundation pit accident occur with
The measure for ensureing that constructing operation personnel withdraw in time afterwards is extremely important.
But since foundation pit is deeper, and for easy for installation and saving cost, Emergency Ladder is relatively simpler, works as construction personnel
When climbing Emergency Ladder, phenomena such as sole skids such as occurs, is easy to have great so that construction personnel drops from Emergency Ladder
Security risk.
Summary of the invention
The purpose of the present invention is to provide a kind of foundation pit escape ladder, have the advantages that security performance is high.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of foundation pit escape ladder, including
Several ladder units being successively detachably connected, the ladder unit include two parallel cleat stanchions and are arranged in two cleat stanchions
Between for the crosspiece trampled for user, described cleat stanchion one end is provided with the extension for connecting with upper height ladder unit
Hook, the other end are provided with for for the hanger bar hooked together on the ladder unit of next height, the hanger bar to be located at two
Between cleat stanchion, the bumper bar parallel with cleat stanchion is provided on the cleat stanchion, the both ends of the bumper bar and the both ends of cleat stanchion connect,
Anti-falling rods are tiltedly installed on the bumper bar, the angle a between the anti-falling rods and the central axis of bumper bar is acute angle, angle
Towards hook end, the anti-falling rods quantity is multiple and is uniformly distributed along the axial direction of bumper bar a opening, is covered on the bumper bar
Be connected to the lock ring for connecting with the safety rope with user, the lock ring can sliding axially along bumper bar, the insurance
Axial direction in bar along bumper bar is provided with first aid runner, and the bumper bar is located at hook end and suspension rod end is provided with and urgency
The connection hose of runner connection is rescued, the connection hose end is provided with for connecting with the connection hose on adjacent ladder unit
Quick coupling.
Through the above technical solutions, in use, the ladder unit of the top is fixed on foundation pit opening, then, solid
It is scheduled on the ladder unit of foundation pit opening and connects other ladder units, until the ladder unit of least significant end is located at bottom of foundation ditch,
The ladder of least significant end is fixed on bottom of foundation ditch at this time, when user climbs later, is first connect safety rope with it with lock ring
Together, it then climbs on crosspiece, is such as slid in climbing, lock ring will slide on bumper bar, due to anti-falling rods and insurance
The opening of angle a between bar will hang over the angle a that anti-falling rods and bumper bar are formed towards hook end when lock ring decline
In, avoid climbing person fall compared with rise from when it is injured；Hand can be used when climbing downwards on Emergency Ladder if encountering anti-falling rods by user
Auxiliary lock ring slips over the position of anti-falling rods, and can so arrive safe and sound bottom of foundation ditch, when user climb on Emergency Ladder, by
It is to be tilted to hook end, therefore not having to Hand supplementary is the position that can slide past anti-falling rods in anti-falling rods, therefore, user climbs up and down
While can prevent user fall suddenly compared with rise from when it is injured, security performance is high.Since in construction, foundation pit inevitably can
Situations such as collapsing, as when collapsing bottom of foundation ditch have constructor if need to sue and labour in time, but foundation pit is deeper, therefore sues and labours
Time is long, in order to guarantee that construction personnel has food and air in foundation pit, first aid runner is provided in bumper bar, is used
When, construction personnel can breathe hose insertion oral cavity at the quick coupling of the ladder unit lower end of bottom of foundation ditch, together
When, rescue personnel can inject slop in the hose on the ladder unit for being located at foundation pit opening, be located at bottom of foundation ditch
Personnel can by sucking it is edible, largely ensure the survival of construction personnel.
Preferably, the bumper bar is located at ladder unit away from foundation pit side-wall side, the anti-falling rods far from insurance rod end to
The cleat stanchion end inclination being connect with bumper bar.
Through the above technical solutions, bumper bar setting is deviated from foundation pit side-wall end in ladder unit, user can be convenient
In upper and lower climbing, hand is grabbed.
Preferably, bumper bar and the rotation of anti-falling rods contact position are provided with change on the lock ring, the lock ring is being protected
The change will rotate when sliding on dangerous bar.
Through the above technical solutions, when due to being climbed above and below user, lock ring can with bumper bar and anti-falling rods friction,
Bumper bar and anti-falling rods can be made to be seriously worn when used for a long time, therefore be provided with change on lock ring, when lock ring with it is anti-fall
When bar and bumper bar rub, change be can rotate, so that the sliding friction between anti-falling rods and bumper bar and lock ring becomes rolling
Friction, effective protection bumper bar and anti-falling rods.
Preferably, the outlet for being connected to first aid runner inside, the exit screw thread are provided on the bumper bar
It is provided with for the sealing cover covered will to be exported.
Through the above technical solutions, some emergency cases such as occur during climbing since Emergency Ladder is very high,
Food can be sucked by the outlet being located on bumper bar and carry out supplement energy, guarantee that user has biggish physical strength to climb
It climbs, it can be with sealing cover by exit seal after having used.
Preferably, it is embedded on the side wall of foundation pit opening for the connecting column with hook connection, the welding hook exists
On the connecting column, the drag hook for hooking together with hanger bar, the hanger bar weldering are embedded on the side wall at bottom of foundation ditch
It connects on drag hook.
Through the above technical solutions, the both ends of Emergency Ladder are fixed on foundation pit opening and bottom of foundation ditch for convenience,
It is provided with connecting column on the side wall of the opening of foundation pit, in use, the hook on the ladder unit of highest point is hooked in connecting column
On, then hook is welded together with connecting column；Hanger bar on the ladder unit of lowest part is hooked together on drag hook, then
Drag hook and hanger bar are welded together, the ladder unit of the ladder unit and lowest part that are located at highest point in use at this time will
The ladder unit of intermediate altitude is tensed, avoids being detached between ladder unit in use.
Preferably, limit hole, the axial direction of the limit hole and axially vertical, the institute of hanger bar are provided in the hanger bar
It states and is provided with limited post on hook, described to hook together when in hanger bar, the limited post is located in limit hole.
Through the above technical solutions, in order to enable the connection between ladder unit is stronger, while making ladder unit
Be not susceptible to upon connection it is opposite swing, limited post is provided on hook, is provided with limit hole in hanger bar, when use will
Limited post is inserted in limit hole.
In conclusion the present invention having the beneficial effect that in contrast to the prior art
(1) facilitate installation when installing, it is only necessary to will mutually hook together between ladder unit；
(2) security performance is high in use, is not susceptible to the case where user falls tumble injury.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is schematic diagram when multiple ladder units connect；
Fig. 3 is the cross-sectional view of ladder unit, main prominent first aid runner；
Fig. 4 is the enlarged view in Fig. 1 at A, main prominent limit hole and limited post.
Appended drawing reference: 1, ladder unit；111, cleat stanchion；112, crosspiece；113, it links up with；114, hanger bar；115, bumper bar；
2, anti-falling rods；3, lock ring；4, change；5, first aid runner；6, hose is connected；7, quick coupling；8, it exports；9, sealing cover；10, even
Connect column；11, drag hook；12, limit hole；13, limited post.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
As shown in Figure 1, 2, a kind of foundation pit escape ladder, including several ladder units 1 being successively detachably connected, ladder
Subelement 1 is including two parallel cleat stanchions 111 and the crosspiece 112 between two cleat stanchions 111 for trampling for user, cleat stanchion is arranged in
111 one end are provided with the hook 113 for connecting with upper height ladder unit 1, and the other end is provided with for supplying next height
Ladder unit 1 on the hanger bar 114 that hooks together of hook 113, hanger bar 114 between two cleat stanchions 111, foundation pit opening
The connecting column 10 for connecting with hook 113 is embedded on side wall, hook 113 is welded on connecting column 10, is located at bottom of foundation ditch
The drag hook 11 for hooking together with hanger bar 114 is embedded on the side wall at place, hanger bar 114 is welded on drag hook 11.
In use, the hook 113 on the ladder unit 1 of highest point is hooked on connecting column 10, then will link up with 113 and is connected
It connects column 10 to weld together, then, other ladder units 1 is connected on the ladder unit 1 for being fixed on foundation pit opening, until most
The ladder unit 1 of low side is located at bottom of foundation ditch, at this time hooks together the hanger bar 114 on the ladder unit of lowest part 1 in drag hook 11
On, then drag hook 11 and hanger bar 114 are welded together, at this time in use positioned at highest point ladder unit 1 with it is minimum
The ladder unit 1 at place will tense the ladder unit 1 of intermediate altitude, avoid being detached between ladder unit 1 in use.
As shown in Figure 1, 2, wherein the bumper bar 115 parallel with cleat stanchion 111 is provided on cleat stanchion 111, bumper bar 115
Both ends are connect with the both ends of cleat stanchion 111, and anti-falling rods 2, the center of anti-falling rods 2 and bumper bar 115 are tiltedly installed on bumper bar 115
Angle a between axis is acute angle, and for angle a opening towards 113 ends of hook, bumper bar 115 is located at ladder unit 1 away from foundation pit side-wall
Side, anti-falling rods 2 are tilted far from 115 end of bumper bar to 111 end of cleat stanchion that connect with bumper bar 115,2 quantity of anti-falling rods be it is multiple and
It is uniformly distributed along the axial direction of bumper bar 115, the lock for connecting with the safety rope with user is socketed on bumper bar 115
Ring 3, lock ring 3 can sliding axially along bumper bar 115.
Wherein, lock ring 3 is security against fire button, and user in use can be then fitted into bumper bar 115 with body-worn
It is upper.
In use, the setting of bumper bar 115 is deviated from foundation pit side-wall end in ladder unit 1, user can be convenient upper and lower
Hand grabs when climbing, such as slides in climbing, lock ring 3 will slide on bumper bar 115, due to anti-falling rods 2 and bumper bar 115
Between angle a opening towards hook 113 ends, therefore lock ring 3 decline when will hang over anti-falling rods 2 and bumper bar 115 formation
Angle a in, avoid climbing person fall compared with rise from when it is injured；User such as encounters anti-falling rods 2 when climbing downwards on Emergency Ladder
Then Hand supplementary lock ring 3 can be used to slip over the position of anti-falling rods 2, can so arrive safe and sound bottom of foundation ditch, when user is on Emergency Ladder
When climbing, since anti-falling rods 2 are tilted to 113 ends of hook, not having to Hand supplementary is the position that can slide past anti-falling rods 2.
As shown in Figure 2,3, wherein when due to climbing above and below user, lock ring 3 can be with bumper bar 115 and anti-falling rods 2
Friction, bumper bar 115 and anti-falling rods 2 can be made to be seriously worn when used for a long time, therefore, on lock ring 3 with bumper bar 115 with
And the rotation of 2 contact position of anti-falling rods is provided with change 4, the change 4 when sliding on bumper bar 115 of lock ring 3 will rotate, and work as lock ring
3 with anti-falling rods 2 and bumper bar 115 when rubbing, and change 4 can rotate, so that between anti-falling rods 2 and bumper bar 115 and lock ring 3
Sliding friction becomes rolling friction, effective protection bumper bar 115 and anti-falling rods 2.
As shown in Figure 2,3, wherein the axial direction of bumper bar 115 is provided with first aid runner 5 in bumper bar 115, insures
Bar 115 is located at 113 ends of hook and is provided with the connection hose 6 being connected to first aid runner 5 with 114 end of hanger bar, connects 6 end of hose
Portion is provided with the quick coupling 7 for connecting with the connection hose 6 on adjacent ladder unit 1, is arranged on bumper bar 115 useful
In with the outlet 8 that is connected to inside first aid runner 5, screw thread is provided with for that will export 8 sealing covers 9 covered, fast quick access at outlet 8
First 7 be fast joint of waterpipe, and when use is quick and convenient.
When collapsing, in order to guarantee that construction personnel has food and air in foundation pit, urgency is provided in bumper bar 115
Runner 5 is rescued, in use, construction personnel can be at the quick coupling 7 of 1 lower end of ladder unit of bottom of foundation ditch by hose insert port
Chamber is breathed, meanwhile, rescue personnel can inject fluid food in the hose on the ladder unit 1 for being located at foundation pit opening
Object, positioned at bottom of foundation ditch personnel can by sucking it is edible, largely ensure the survival of construction personnel；Meanwhile such as
Some emergency cases occur during climbing, food can be sucked by the outlet 8 being located on bumper bar 115 and carry out supplement energy
Amount, guarantees that user has biggish physical strength to climb, and can will export 8 sealings with sealing cover 9 after having used.
As shown in Figure 3,4, wherein in order to enable the connection between ladder unit 1 is stronger, while making ladder unit
1 is not susceptible to swing relatively upon connection, and limit hole 12, the axial direction and hanger bar of limit hole 12 are provided in hanger bar 114
114 it is axially vertical, be provided with limited post 13 on hook 113, hook 113 hooks together when in hanger bar 114, and limited post 13 is located at
In limit hole 12.
The above is only exemplary embodiment of the invention, protection scope and is not intended to limit the present invention, this hair
Bright protection scope is determined by the attached claims.
Claims (6)
1. a kind of foundation pit escape ladder, including several ladder units (1) being successively detachably connected, the ladder unit
It (1) include crosspiece (112) of the two parallel cleat stanchions (111) and setting between two cleat stanchions (111) for being trampled for user,
Be characterized in that: described cleat stanchion (111) one end is provided with the hook (113) for connecting with upper height ladder unit (1), another
End is provided with the hanger bar (114) for hooking together for the hook (113) on the ladder unit (1) of next height, the hanger bar
(114) between two cleat stanchions (111), the bumper bar parallel with cleat stanchion (111) (115), institute are provided on the cleat stanchion (111)
The both ends for stating bumper bar (115) are connect with the both ends of cleat stanchion (111), are tiltedly installed with anti-falling rods on the bumper bar (115)
(2), the angle a between the anti-falling rods (2) and the central axis of bumper bar (115) is acute angle, angle a opening direction hook
(113) it holds, anti-falling rods (2) quantity is multiple and is uniformly distributed along the axial direction of bumper bar (115), the bumper bar
(115) lock ring (3) for connecting with the safety rope with user is socketed on, the lock ring (3) can be along bumper bar (115)
Slide axially, the axial direction of bumper bar (115) is provided with first aid runner (5), the bumper bar in the bumper bar (115)
(115) it is located at hook (113) end and is provided with the connection hose (6) being connected to first aid runner (5), institute with hanger bar (114) end
It states connection hose (6) end and is provided with quick coupling (7) for connecting with the connection hose (6) on adjacent ladder unit (1).
2. foundation pit escape ladder according to claim 1, it is characterised in that: the bumper bar (115) is located at ladder unit (1)
Away from foundation pit side-wall side, the anti-falling rods (2) are held far from bumper bar (115) to cleat stanchion (111) end connecting with bumper bar (115)
Inclination.
3. foundation pit escape ladder according to claim 1, it is characterised in that: on the lock ring (3) with bumper bar (115) and
The rotation of anti-falling rods (2) contact position is provided with change (4), the lock ring (3) change (4) when sliding on bumper bar (115)
It will rotate.
4. foundation pit escape ladder according to claim 1, it is characterised in that: be provided on the bumper bar (115) for
The outlet (8) being connected to inside first aid runner (5), screw thread, which is provided with, at the outlet (8) is used to that the sealing cover that (8) cover will to be exported
(9)。
5. foundation pit escape ladder according to claim 1, it is characterised in that: be embedded on the side wall of foundation pit opening for
The connecting column (10) of (113) connection is linked up with, the hook (113) is welded on the connecting column (10), is located at bottom of foundation ditch
Side wall on be embedded with drag hook (11) for hooking together with hanger bar (114), the hanger bar (114) is welded on drag hook (11)
On.
6. foundation pit escape ladder according to claim 1, it is characterised in that: be provided with limit hole on the hanger bar (114)
(12), the axial direction with hanger bar (114) of the limit hole (12) is axially vertical, is provided with limited post on the hook (113)
(13), the hook (113) hooks together when on hanger bar (114), and the limited post (13) is located in limit hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103070.8A CN108252646B (en) | 2018-02-01 | 2018-02-01 | Foundation pit escape ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103070.8A CN108252646B (en) | 2018-02-01 | 2018-02-01 | Foundation pit escape ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108252646A CN108252646A (en) | 2018-07-06 |
| CN108252646B true CN108252646B (en) | 2019-05-07 |
Family
ID=62743681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810103070.8A Active CN108252646B (en) | 2018-02-01 | 2018-02-01 | Foundation pit escape ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108252646B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980548A (en) * | 2019-12-27 | 2020-04-10 | 江苏政田重工股份有限公司 | Maintenance channel for crane |
| US10843631B1 (en) | 2020-02-20 | 2020-11-24 | Gerald L. Honeysett | Pickup truck bed access ladder |
| CN111188269B (en) * | 2020-03-13 | 2021-05-14 | 山东省公路桥梁建设有限公司 | Cable tower and construction method thereof |
| CN111594028B (en) * | 2020-05-25 | 2021-11-05 | 宁波冶金勘察设计研究股份有限公司 | Anti-falling escape ladder for foundation pit |
| CN112627717A (en) * | 2020-12-18 | 2021-04-09 | 温州源铭振跃科技有限公司 | Internal climbing system of large wind driven generator |
| CN112814558A (en) * | 2021-01-05 | 2021-05-18 | 温州方舵建筑有限公司 | Aerogenerator scrambles ware |
| CN113101582A (en) * | 2021-04-19 | 2021-07-13 | 姚明峰 | Metal draws ladder with circumscribed hosepipe draw gear that has pipe diameter adjustment mechanism |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201110123Y (en) * | 2007-06-29 | 2008-09-03 | 山东龙光银河杆塔有限公司 | Safety climbing ladder |
| US7938229B2 (en) * | 2007-09-07 | 2011-05-10 | Davies Rebecca M | Marine emergency rope ladder apparatus |
| CN205976684U (en) * | 2016-08-31 | 2017-02-22 | 福建广峰电力通信设备有限公司 | Telegraph pole |
| CN206376731U (en) * | 2016-12-26 | 2017-08-04 | 金川集团股份有限公司 | A kind of underground construction extension ladder |
-
2018
- 2018-02-01 CN CN201810103070.8A patent/CN108252646B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108252646A (en) | 2018-07-06 |
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Effective date of registration: 20200417 Address after: 325000 Block 410, No. 33, 75 Lane, Xueshan Road, Lucheng District, Wenzhou City, Zhejiang Province Patentee after: WENZHOU HUARUI CONSTRUCTION Co.,Ltd. Address before: 325028, 158-1, Ma On Chi West Road, Wenzhou, Zhejiang Patentee before: ZHONGWEI CONSTRUCTION ENGINEERING Co.,Ltd. |
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