CN106193998B - Pull-type ladder - Google Patents
Pull-type ladder Download PDFInfo
- Publication number
- CN106193998B CN106193998B CN201610509121.8A CN201610509121A CN106193998B CN 106193998 B CN106193998 B CN 106193998B CN 201610509121 A CN201610509121 A CN 201610509121A CN 106193998 B CN106193998 B CN 106193998B
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- China
- Prior art keywords
- ladder
- ladder ontology
- ontology
- support
- link member
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
- E06C7/04—Hand-operated extending means carried by the ladder
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/06—Securing devices or hooks for parts of extensible ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
- E06C7/482—Supports specially adapted for resting the ladder against or in a corner
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
-
- 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
- E06C9/085—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members ladders unfolded in the direction of the longitudinal members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The present invention relates to a kind of pull-type ladders, including the first ladder ontology, and the first ladder ontology includes first end；At least a pair of of bindiny mechanism, at least a pair of of bindiny mechanism is respectively arranged at the two sides of the first ladder ontology, bindiny mechanism includes support and link member, support is for being fixed on default fixed bit, support is equipped with limiting section, one end of link member and the dynamic connection of support and can rotate or/and slide relative to support, and the other end of link member and the first ladder ontology are rotatablely connected, when link member turns to predeterminated position, link member and limiting section are fixed；And the second ladder ontology, the dynamic connection of the first end of one end of the second ladder ontology and the first ladder ontology and it can rotate or/and slide relative to the first ladder ontology, the second ladder ontology is equipped with locking mechanism that can be fixed with sill.The pull-type ladder can be installed in the lesser well pit of size, and convenient working personnel safety passes in and out pit.
Description
Technical field
The invention belongs to elevator technology field, in particular to a kind of ladder refers in particular to one kind and is mounted in elevator shaft
Pull-type ladder as safety disengaging pit.
Background technique
The pit ladder device of traditional elevator is a kind of dedicated unit for passing in and out pit safely for operating personnel, for existing
Have in technology, when ladder is arranged on the side hoistway inner wall of layer door, the well space that is required due to part elevator itself compared with
Greatly, personnel are possible to still cannot safely touch a layer door lock assembly by ladder, cause personnel to leave pit more difficult.
According to the Competitive Trend in current elevator market, it is desirable that the size and pit depth of elevator shaft are as small as possible, and make
It is as compact as possible to obtain arrangement of the elevator components in hoistway, so causing some tunnel dimensions small and side ladder cannot be installed
Vertical lift (such as machine-roomless lift, because side ladder is easily interfered with hoistway part), pit ladder can only be fixedly mounted on the first floor
Immediately below lading door dill；It is about 85mm that sill, which stretches out hoistway inner wall distance, but ladder cannot exceed sill, and operating personnel enters bottom
When hole, ladder rung to hoistway inner wall apart from very little, be easy to appear the danger that personnel slide pit injury.
Summary of the invention
Based on this, it is necessary to provide a kind of pull-type ladder, can be installed in the lesser well pit of size, facilitate work
Industry personnel safety passes in and out pit.
Its technical solution is as follows:
A kind of pull-type ladder, including the first ladder ontology, the first ladder ontology includes first end；It is at least a pair of to connect
Connection mechanism, at least a pair of of bindiny mechanism are respectively arranged at the two sides of the first ladder ontology, and the bindiny mechanism includes support
And link member, the support are equipped with limiting section, one end of the link member and institute for being fixed on default fixed bit, the support
It states the dynamic connection of support and can rotate or/and slide relative to the support, the other end of the link member and first ladder
Ontology rotation connection, when the link member turns to predeterminated position, the link member and the limiting section are fixed；Second ladder
Ontology, the dynamic connection of the first end of one end of the second ladder ontology and the first ladder ontology and can be relative to described the
The rotation of one ladder ontology or/and sliding, the second ladder ontology are equipped with locking mechanism that can be fixed with sill；And installation part,
The first ladder ontology includes the first treadle, and the second ladder ontology includes first with the dynamic connection of first treadle
Frame and the second treadle that connection is moved with the installation part, one end of the installation part is rotatablely connected and sets with first treadle
It is placed in one end of first treadle, the second ladder ontology can be rotated and be slided relative to the first ladder ontology.
Further technical solution is illustrated below:
The support includes the first connector with link member rotation connection in one of the embodiments, described
First connector is equipped with fitted shaft, and the link member is equipped with the through slot with the fitted shaft clearance fit；The link member passes through
The cooperation of the through slot and the fitted shaft can slidably reciprocate relative to the support and can rotate around the fitted shaft.
The support further includes the second connector and the limit that is staggered with the link member in one of the embodiments,
One end of body, second connector and first connector is fixed and is mutually perpendicular to, and the limit body and described first connects
The other end of junctor is fixed and complements each other to form the limiting section with first connector.In one of the embodiments,
The installation part be equipped with the first mounting hole for being rotatably assorted with first treadle and slidably cooperate with second treadle and
The second mounting hole rotatably cooperated, the first support, which is equipped with, slidably to be cooperated with first treadle and rotatably cooperates
Connecting hole.
The installation part is equipped with locating part in one of the embodiments, and the first end of the first ladder ontology is equipped with
With the auxiliary section of locating part limit cooperation.The pull-type ladder further includes positioning component in one of the embodiments,
The positioning component is fixed on hoistway inner wall, and the positioning component is equipped with the holding division for fixing the first ladder ontology.
The pull-type ladder further includes lifting component in one of the embodiments, and lifted component includes lifting chain
Rope and the fixing piece for being arranged and being fixed on hoistway inner wall close to sill, the fixing piece are equipped with through-hole, the lifting chain rope
One end is fixed with the first ladder ontology, and the other end passes through the through-hole and fixes with the second ladder ontology.
The pull-type ladder further includes armrest assembly in one of the embodiments, the armrest assembly and described the
The other ends of two ladder ontologies is rotatablely connected, or is slidably connected with the second ladder ontology and the second ladder ontology is set
There is the locking locked assembly.
The pull-type ladder further includes cut-off switch in one of the embodiments, and the cut-off switch includes thoughts
The trigger member answering portion and matching with the induction part, the induction part are fixed on hoistway inner wall, and the trigger member is set to
On the first ladder ontology, when the induction part is separated with the trigger member, the cut-off switch is disconnected and elevator is not transported
Row.
The locking mechanism includes that the sill being fixed on the second ladder ontology fixes in one of the embodiments,
Part, the sill holding firmware are equipped with the card division for sticking into sill card slot.
The locking mechanism includes the locking level with the second ladder ontology rotation connection in one of the embodiments,
And the snap-gauge with one end fixation of the locking level.
" first " described in aforementioned present invention, " second " do not represent specific quantity and sequence, are only used for title
It distinguishes.
Aforementioned present invention the utility model has the advantages that
Above-mentioned pull-type ladder is in use, be set to well pit for the first ladder ontology using bindiny mechanism, this first
Ladder ontology realizes that the first ladder ontology is opened and collapsed without departing from sill, by the cooperation of support and link member, when needs make
When with staircase, using stayed mast or other lifting equipment, the first ladder ontology is pulled up, and make originally by the rotation of link member
The first ladder ontology close to hoistway inner wall is moved to the direction far from hoistway inner wall, when reaching predeterminated position, passes through link member
Fixing with limiting section cooperates, and realizes the Primary Location of the first ladder ontology；Again by the second ladder ontology of overturning, make locking machine
Structure is fixed with sill, and then the working depth of the first ladder ontology is enable to extend, and passes in and out well pit convenient for staff, together
When the cutting depth of pit can effectively be dropped by the first ladder ontology of setting and the second ladder ontology；After the completion of use, it can release
The fixation of locking mechanism and sill overturns in the second ladder ontology to pit, while the first ladder ontology being restored to initial bit
It sets, ladder is avoided to interfere elevator motion.The pull-type ladder can be installed in the lesser well pit of size, convenient working people
Member's safety disengaging pit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment one of pull-type ladder of the present invention；
Fig. 2 is the structural schematic diagram of the embodiment two of pull-type ladder of the present invention；
Fig. 3 is the structural schematic diagram of the bindiny mechanism of ladder of the present invention；
Fig. 4 is status diagram when link member of the present invention is in predeterminated position；
Fig. 5 is the schematic side view of the opening state of pull-type ladder of the present invention；
Fig. 6 is the opening state schematic diagram in the embodiment one of pull-type ladder of the present invention；
Fig. 7 is the opening procedure status diagram of the embodiment one of pull-type ladder of the present invention；
Fig. 8 is the rounding state schematic diagram of the embodiment one of pull-type ladder of the present invention；
Fig. 9 is the opening state schematic diagram in the embodiment two of pull-type ladder of the present invention；
Figure 10 is the opening procedure status diagram of the embodiment two of pull-type ladder of the present invention；
Figure 11 is the rounding state schematic diagram of the embodiment two of pull-type ladder of the present invention；
Figure 12 is the structural schematic diagram of the embodiment one of locking mechanism of the present invention；
Figure 13 is the structural schematic diagram of the embodiment two of locking mechanism of the present invention.
Description of symbols:
100, the first ladder ontology, 102, first end, the 110, first treadle, 120, auxiliary section, 200, bindiny mechanism, 210,
Support, 202, limiting section, the 212, first connector, 214, fitted shaft, the 216, second connector, 218, limit body, 220, connecting rod
Part, 222, through slot, the 300, second ladder ontology, 310, first support, 312, connecting hole, the 320, second treadle, 400, locking machine
Structure, 410, holding firmware, 412, card division, 420, locking level, 430, snap-gauge, 500, installation part, the 510, first mounting hole, 520, second
Mounting hole, 530, locating part, 600, runner assembly, the 610, first rotating member, 612, first sliding groove, the 620, second rotating member,
622, second sliding slot, 630, interconnecting piece, 700, positioning component, 710, holding division, 800, lifting component, 810, lifting chain rope,
820, fixing piece, 900, cut-off switch, 910, induction part, 920, trigger member, 1000, armrest assembly, 1100, locked assembly, 10,
Sill, 12, card slot, 20, hoistway inner wall.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing and specific embodiment party
Formula, the present invention is further described in detail.It should be understood that the specific embodiments described herein are only to solve
The present invention is released, and the scope of protection of the present invention is not limited.
As shown in Fig. 1 to 5, a kind of pull-type ladder of the present invention, including the first ladder ontology 100, the first ladder
Ontology 100 includes first end 102；At least a pair of of bindiny mechanism 200, at least a pair of of bindiny mechanism 200 are respectively arranged at first and climb
The two sides of terraced ontology 100, bindiny mechanism 200 include support 210 and link member 220, and support 210 is for being fixed on default fixation
Position, support 210 be equipped with limiting section, one end of link member 220 and the dynamic connection of support 210 and can be rotated relative to support 210 or/
And sliding, the other end of link member 220 and the first ladder ontology 100 are rotatablely connected, when link member 220 turns to predeterminated position
When, link member 220 and limiting section fix；And the second ladder ontology 300, one end of the second ladder ontology 300 and the first ladder sheet
The first end 102 of body 100 is dynamic to be connected and can rotate or/and slide, the second ladder ontology 300 relative to the first ladder ontology 100
Equipped with locking mechanism 400 that can be fixed with sill.
As shown in Fig. 1 to 13, the pull-type ladder is in use, first ladder ontology 100 is arranged using bindiny mechanism 200
In well pit, which realizes that first climbs without departing from sill, by the cooperation of support 210 and link member 220
Terraced ontology 100 is opened and is collapsed, and when needing using staircase, using stayed mast or other lifting equipment, pulls up the first ladder
Ontology 100 is made by the movement of link member 220 originally close to the first ladder ontology 100 of hoistway inner wall 20 to far from hoistway
The direction of wall 20 moves, and when reaching predeterminated position, is cooperated by the fixing of link member 220 and limiting section, realizes the first ladder sheet
The Primary Location of body 100 guarantees that the first ladder ontology 100 has enough distances with hoistway inner wall 20；Pass through the second ladder of overturning again
Ontology 300 fixes locking mechanism 400 with sill, and then the working depth of the first ladder ontology 100 is enable to extend, and is convenient for
Staff passes in and out well pit, while can effectively drop pit by the first ladder ontology 100 of setting and the second ladder ontology 300
Cutting depth；After the completion of use, the fixation of the mechanism that can unlock 400 and sill, the second ladder ontology 300 of overturning to pit
It is interior, while the first ladder ontology 100 being restored to initial position, it avoids ladder from interfering elevator motion, it is smaller to be mountable to size
Hoistway.The pull-type ladder can be installed in the lesser well pit of size, and convenient working personnel safety passes in and out pit.
As shown in Figure 3,4, support 210 includes the first connector 212 being rotatablely connected with link member 220, the first connector
212 are equipped with fitted shaft 214, and link member 220 is equipped with the through slot 222 with 214 clearance fit of fitted shaft；Link member 220 passes through through slot
222 can slidably reciprocate relative to support 210 and can rotate around fitted shaft 214 with the cooperation of fitted shaft 214, thus be tied by simplifying
Structure makes the up and down motion and rotation of link member 220, realizes the first movement of the ladder ontology 100 far from hoistway inner wall 20；Support 210
The limit body 218 for further including the second connector 216 and being staggered with link member 220, the second connector 216 and the first connector
212 one end is fixed and is mutually perpendicular to, the other end of limit body 218 and the first connector 212 fix and with the first connector
212 complement each other to form limiting section, it is thus achieved that the positioning after the opening of the first ladder ontology 100 is fixed.Above-mentioned support 210
With 220 cooperative movement of link member, the structure that the first ladder ontology 100 is opened and fixed, the link member 220 and support are simplified
210 can slide because of self gravity into self-locking state, save space, be adapted for mount to the lesser hoistway of size, improve the first ladder
Installation effectiveness of the ontology 100 in pit.Two pairs of bindiny mechanisms 200 are at least arranged in the two sides of preferred first ladder ontology 100, real
Mutual conversion between the opening and gathering of existing first ladder ontology 100, when open, the link member 220 and the first ladder sheet
Body 100 is in vertical state.
As shown in Fig. 1 and 5 to 8, in an embodiment, pull-type ladder further includes installation part 500, the first ladder ontology 100
Including the first treadle 110, the second ladder ontology 300 includes the first support 310 and and installation part with the dynamic connection of the first treadle 110
Second treadle 320 of 500 dynamic connections, one end of installation part 500 and the first treadle 110 are rotatablely connected and are set to the first treadle
110 one end, the second ladder ontology 300 can be rotated and be horizontally slipped relative to the first ladder ontology 100, thus in overturning second
During ladder ontology 300, the space for not interfering with object can be first slid into, then overturns the second ladder ontology 300 and is moved to
Predeterminated position, and then realize the extension of 100 working depth of the first ladder ontology, so that this pull-type ladder is being opened and was being stored
When journey can left and right directions avoid the interference of pit buffer or other hoistway components, can meet as far as possible elevator shaft size and
The small requirement of pit depth；Installation part 500 is equipped with the first mounting hole 510 being rotatably assorted with the first treadle 110 and steps on second
The second mounting hole 520 that bar 320 slidably cooperates and rotatably cooperates, first support 310 are equipped with the first treadle 110 slidably
Cooperation and the connecting hole 312 rotatably cooperated, it is thus achieved that the second ladder ontology 300 can be relative to the first ladder ontology 100
The movement effects of rotation and sliding；Installation part 500 is equipped with locating part 530, the first end 102 of the first ladder ontology 100 be equipped with
The auxiliary section 120 of the limit cooperation of locating part 530 passes through the locating part when the second ladder ontology 300 overturning to predeterminated position
530 with auxiliary section 120 cooperation realize the second ladder ontology 300 Primary Location, convenient for the later period by locking mechanism 400 with
The fixation of the second ladder ontology 300 is realized in the fixation of sill, prevents pull-type ladder from shaking when in use.As Fig. 1,5 and 9 to
Shown in 11, in another embodiment, pull-type ladder further includes runner assembly 600, runner assembly 600 and the first ladder ontology
100 first end 102 is rotatablely connected, and runner assembly 600 is equipped with the interconnecting piece 630 being slidably connected with the second ladder ontology 300, because
And being slidably connected by runner assembly 600 and the second ladder ontology 300, when opening the second ladder ontology 300, can first to
Upper stretching the second ladder ontology 300 to default position (slides up and down), this process avoids pit buffer or other hoistway components
Interference overturns the second ladder ontology 300 after reaching default position again, fixes convenient for locking mechanism 400 with sill, and then fixes the
Two ladder ontologies 300；Runner assembly 600 include be respectively arranged at the first ladder ontology 100 two sides the first rotating member 610 and
Second rotating member 620, the first rotating member 610 are equipped with first sliding groove 612, and the second rotating member 620 is equipped with to match with first sliding groove 612
The second sliding slot 622 for forming interconnecting piece 630 is closed, the second ladder ontology 300 is equipped with and first sliding groove 612 or/and second sliding slot 622
The positive stop end (not marking) mutually fixed, thus provide the second ladder ontology of one kind 300 is slidably connected with runner assembly 600 one
Kind embodiment, while by setting positive stop end, it can avoid the second ladder ontology 300 and runner assembly 600 disconnect.Further
, as shown in figure 12, locking mechanism 400 includes the sill holding firmware 410 being fixed on the second ladder ontology 300, and sill fixes
Part 410 is equipped with the card division 412 for sticking into the card slot 12 of sill 10, it is thus achieved that the fixation of the second ladder ontology 300；Such as Figure 13 institute
Show, it is preferred that locking mechanism 400 include with the second ladder ontology 300 rotation connection locking level 420 and with locking level 420
The fixed snap-gauge 430 in one end can realize the fixation of snap-gauge 430 Yu sill by adjusting the collapsing length of locking level 420, with suitable
Answer different types of sill.
As shown in Fig. 6 to 8 or 9 to 11, which further includes positioning component 700, and positioning component 700 is fixed on well
Road inner wall 20, positioning component 700 are equipped with the holding division 710 for fixing the first ladder ontology 100, convenient for when the first ladder ontology
It is fixed after 100 gatherings by positioning component 700, reduces by the first ladder ontology 100 to the pulling force of bindiny mechanism 200, avoid
Bindiny mechanism 200 is damaged because of long-term tension.Pull-type ladder further includes lifting component 800, and lifted component 800 includes
Lifting chain rope 810 and close sill are arranged and are fixed on the fixing piece 820 on hoistway inner wall 20, and fixing piece 820 is equipped with through-hole
(not shown), one end and the first ladder ontology 100 for lifting chain rope 810 are fixed, and the other end passes through through-hole and the second ladder ontology
300 is fixed, lifts the first ladder ontology 100 or/and the second ladder ontology 300 convenient for staff, can be used as auxiliary traction
With, lift the first ladder ontology 100 of receiving state or/and the second ladder ontology 300, then by own wt be unfolded or receive
It receives, lifting rope chain material can be rope, iron chains and wirerope etc..Pull-type ladder further includes armrest assembly 1000, handrail group
The rotation connection of the other end of part 1000 and the second ladder ontology 300, or be slidably connected with the second ladder ontology 300 and second climbs
Terraced ontology 300 is equipped with the locked assembly 1100 of locking armrest assembly 1000, convenient for ladder above and below staff, preferred handrail group
Part 1000 and the second ladder ontology 300 are slidably connected and the second ladder ontology 300 is equipped with the locking group of locking armrest assembly 1000
Part 1100 facilitates staff's ladder up and down convenient for needing adjustable handrail height according to staff.Pull-type ladder further includes
Cut-off switch 900, cut-off switch 900 include induction part 910 and the trigger member matched with induction part 910 920, induction part
910 are fixed on hoistway inner wall, and trigger member 920 is set on the first ladder ontology 100, when induction part 910 and trigger member 920 divide
From when, cut-off switch 900 disconnect and elevator do not run, avoid ladder do not collapse cause interfere elevator operation and cause elevator to transport
Act event or relevant device damage.
As shown in Fig. 1,3,4 and 5 to 8 and 13, preferred embodiment, a kind of pull-type ladder, including the first ladder ontology
100, the first ladder ontology 100 includes first end 102；At least a pair of of bindiny mechanism 200, at least a pair of of bindiny mechanism 200 is distinguished
The two sides of the first ladder ontology 100 are set to, bindiny mechanism 200 includes support 210 and link member 220, and support 210 is for fixing
In default fixed bit, support 210 is equipped with limiting section, one end of link member 220 and the dynamic connection of support 210 and can be relative to support
210 rotations or/and sliding, the other end of link member 220 and the first ladder ontology 100 are rotatablely connected, when link member 220 turns to
When predeterminated position, link member 220 and limiting section are fixed, and support 210 includes the first connector being rotatablely connected with link member 220
212, the first connector 212 is equipped with fitted shaft 214, and link member 220 is equipped with the through slot 222 with 214 clearance fit of fitted shaft, connecting rod
Part 220 can be slidably reciprocated relative to support 210 and can be rotated around fitted shaft 214 by the cooperation of through slot 222 and fitted shaft 214,
Support 210 further includes the second connector 216 and the limit body 218 that is staggered with link member 220, the second connector 216 and first
One end of connector 212 is fixed and is mutually perpendicular to, and the other end of limit body 218 and the first connector 212 is fixed and with first
Connector 212 complements each other to form limiting section；Second ladder ontology 300, one end of the second ladder ontology 300 and the first ladder sheet
The first end 102 of body 100 is dynamic to be connected and can rotate upwardly and downwardly and horizontally slip relative to the first ladder ontology 100, the second ladder sheet
Body 300 is equipped with locking mechanism 400 that can be fixed with sill；And armrest assembly 1000, armrest assembly 1000 and the second ladder ontology
300 are slidably connected and the second ladder ontology 300 is equipped with the locked assembly 1100 of locking armrest assembly 1000, convenient for according to work
Personnel need adjustable handrail height, facilitate staff's ladder up and down；It further include installation part 500, the first ladder ontology 100 includes
First treadle 110, the second ladder ontology 300 include with the first support 310 of the dynamic connection of the first treadle 110 and with installation part 500
Second treadle 320 of dynamic connection, one end of installation part 500 and the first treadle 110 are rotatablely connected and are set to the first treadle 110
One end, the second ladder ontology 300 can relative to the first ladder ontology 100 rotate and slide, installation part 500 be equipped with stepped on first
The first mounting hole 510 that bar 110 is rotatably assorted and the second mounting hole for slidably cooperating with the second treadle 320 and rotatably cooperating
520, first support 310 is equipped with the connecting hole 312 for slidably cooperating with the first treadle 110 and rotatably cooperating, and installation part 500 is set
Finite place piece 530, the first end 102 of the first ladder ontology 100 are equipped with the auxiliary section 120 with the limit cooperation of locating part 530；Also wrap
Positioning component 700 is included, positioning component 700 is fixed on hoistway inner wall, and positioning component 700 is equipped with for fixing the first ladder ontology
100 holding division 710；It further include armrest assembly, armrest assembly and the second ladder ontology 300 are slidably connected and the second ladder sheet
Body 300 is equipped with locking locked assembly；It further include cut-off switch 900, cut-off switch 900 includes induction part 910 and and induction part
910 trigger member 920 matched, induction part 910 are fixed on hoistway inner wall, and trigger member 920 is set to the first ladder ontology 100
On, when induction part 910 is separated with trigger member 920, cut-off switch 900 is disconnected and elevator is not run, and is avoided ladder from not collapsing and is led
It causes the operation of interference elevator and elevator interruption of service or relevant device is caused to damage；Locking mechanism 400 includes and the second ladder ontology
The locking level 420 and the snap-gauge 430 fixed with one end of locking level 420 of 300 rotation connections, can be by adjusting locking level 420
Collapsing length realizes the fixation of snap-gauge 430 Yu sill, to adapt to different types of sill.
Beneficial effects of the present invention are as follows:
1, pull-type ladder of the present invention can be packed up in non-working condition, and be close to hoistway inner wall, save space, be fitted
For the lesser elevator shaft in space, and pull-type ladder in the open state, what can be consolidated is fixed in hoistway.
2, pull-type ladder of the present invention, ladder main part (the first ladder ontology, the second ladder ontology and are helped by three-stage
Hand component) it is composed, shaft depth is required to further decrease, reduces civil engineering cost.
3, by setting cut-off switch, after avoiding user from leaving pit, ladder is forgotten to pack up, just starts elevator, caused
Down running cars are made to collide with the pull-type ladder.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of pull-type ladder characterized by comprising
First ladder ontology, the first ladder ontology includes first end；
At least a pair of of bindiny mechanism, at least a pair of of bindiny mechanism are respectively arranged at the two sides of the first ladder ontology, the company
Connection mechanism includes support and link member, and the support is equipped with limiting section, the company for being fixed on default fixed bit, the support
One end of rod piece and the support move connection and can rotate or/and slide, the other end of the link member relative to the support
It is rotatablely connected with the first ladder ontology, when the link member turns to predeterminated position, the link member and the limit
Portion fixes；
The first end of second ladder ontology, one end of the second ladder ontology and the first ladder ontology moves connection and can
It rotates or/and slides relative to the first ladder ontology, the second ladder ontology is equipped with locking machine that can be fixed with sill
Structure；And
Installation part, the first ladder ontology include the first treadle, and the second ladder ontology includes dynamic with first treadle
The first support of connection and the second treadle that connection is moved with the installation part, one end of the installation part and first treadle turn
Dynamic connection and the one end for being set to first treadle, the second ladder ontology can be rotated relative to the first ladder ontology and
Sliding.
2. pull-type ladder according to claim 1, which is characterized in that the support includes rotating to connect with the link member
The first connector connect, first connector are equipped with fitted shaft, and the link member is equipped with and the fitted shaft clearance fit
Through slot；The link member can be slidably reciprocated relative to the support by the cooperation of the through slot and the fitted shaft and can be around institute
State fitted shaft rotation.
3. pull-type ladder according to claim 2, which is characterized in that the support further include the second connector and with institute
State the limit body that link member is staggered, one end of second connector and first connector is fixed and is mutually perpendicular to, institute
The other end for stating limit body and first connector is fixed and complements each other to form the limit with first connector
Portion.
4. pull-type ladder according to claim 1, which is characterized in that the installation part is equipped with to be turned with first treadle
First mounting hole of dynamic cooperation and the second mounting hole for slidably cooperating with second treadle and rotatably cooperating, described first
Branch is provided with the connecting hole for slidably cooperating and rotatably cooperating with first treadle.
5. pull-type ladder according to claim 1, which is characterized in that the installation part be equipped with locating part, described first
The first end of ladder ontology is equipped with the auxiliary section with locating part limit cooperation.
6. pull-type ladder according to claim 1, which is characterized in that further include positioning component, the positioning component is solid
Due to hoistway inner wall, the positioning component is equipped with the holding division for fixing the first ladder ontology.
7. pull-type ladder according to claim 1 to 6, which is characterized in that further include lifting component, mentioned
Drawing component includes the fixing piece for lifting chain rope and being arranged and be fixed on hoistway inner wall close to sill, and the fixing piece is equipped with logical
The one end in hole, the lifting chain rope is fixed with the first ladder ontology, and the other end passes through the through-hole and second ladder
Ontology is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509121.8A CN106193998B (en) | 2016-06-29 | 2016-06-29 | Pull-type ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509121.8A CN106193998B (en) | 2016-06-29 | 2016-06-29 | Pull-type ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106193998A CN106193998A (en) | 2016-12-07 |
| CN106193998B true CN106193998B (en) | 2018-12-28 |
Family
ID=57463846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610509121.8A Active CN106193998B (en) | 2016-06-29 | 2016-06-29 | Pull-type ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106193998B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719882B (en) * | 2017-06-14 | 2021-07-16 | 株式会社日立制作所 | Pit ladder device of elevator |
| CN109441332A (en) * | 2018-12-26 | 2019-03-08 | 日立电梯（中国）有限公司 | A kind of pit ladder device |
| CN110259371B (en) * | 2019-07-03 | 2024-04-26 | 中车西安车辆有限公司 | Tank car inner ladder bottom end mounting structure and connecting piece parameter optimization method thereof |
| CN111088945A (en) * | 2019-11-08 | 2020-05-01 | 浙江大学城市学院 | Test device and method capable of climbing up and down and standing with turnover plate in reaction well |
| CN111115424B (en) * | 2019-12-26 | 2022-11-01 | 日立电梯（中国）有限公司 | Movable sill ladder stand combined device |
| CN111841267B (en) * | 2020-07-22 | 2022-03-15 | 杭州瑞成辉化纤有限公司 | Micro-thermal regeneration adsorption dryer |
| JP7372947B2 (en) * | 2021-01-18 | 2023-11-01 | 株式会社日立ビルシステム | Elevator work safety device |
| WO2022264245A1 (en) * | 2021-06-15 | 2022-12-22 | 三菱電機株式会社 | Elevator and pit work assistance device therefor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5951200U (en) * | 1982-09-28 | 1984-04-04 | 株式会社日本アルミ | basement storage ladder |
| DE8815161U1 (en) * | 1988-12-06 | 1989-01-19 | Stanelle, Karl-Heinz, 7129 Güglingen | Director |
| GB2417751A (en) * | 2004-08-28 | 2006-03-08 | Caswick Ltd | Ladder with pivoting tip-up steps |
| JP2011213443A (en) * | 2010-03-31 | 2011-10-27 | Mitsubishi Electric Building Techno Service Co Ltd | Landing hall sill integrated ladder |
| CN102493760B (en) * | 2011-11-21 | 2014-04-02 | 日立电梯（中国）有限公司 | Pull-up ladder stand |
| CN202338197U (en) * | 2011-12-12 | 2012-07-18 | 辽宁省电力有限公司锦州供电公司 | Elevating crawling ladder of electric pole |
-
2016
- 2016-06-29 CN CN201610509121.8A patent/CN106193998B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106193998A (en) | 2016-12-07 |
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