CN204782724U - Elevator pit cat ladder device - Google Patents
Elevator pit cat ladder device Download PDFInfo
- Publication number
- CN204782724U CN204782724U CN201520269289.7U CN201520269289U CN204782724U CN 204782724 U CN204782724 U CN 204782724U CN 201520269289 U CN201520269289 U CN 201520269289U CN 204782724 U CN204782724 U CN 204782724U
- Authority
- CN
- China
- Prior art keywords
- cat ladder
- pit
- main body
- ladder main
- antetheca
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses an elevator pit cat ladder device. It installs the pit antetheca at the elevator well, and it includes the cat ladder main part, and this cat ladder main part is including two montants and locate the horizontal pole that is used for forming the step between two montants, the cat ladder main part is passed through folding mechanism and is installed at the pit antetheca, folding mechanism is equipped with the fixed limit structure in location when being used for the cat ladder main part to open, just still be equipped with between cat ladder main part and the pit antetheca and be used for the cat ladder main part to amount to fixed safe closure mechanism. Be equipped with movable handrail in the cat ladder main part, this activity handrail is connected with the handrail stay cord. The utility model discloses an above technical scheme has following beneficial effect: adopt folding design, practice thrift the parking space to the well space can be practiced thrift, the civil engineering cost is reduced. Simultaneously, thereby it makes things convenient for the maintainer elevator pit operation of cominging in and going out to be provided with movable handrail, and staff's operation suitable balanced health of handrail help occasionally improves operation safety.
Description
Technical field
The utility model relates to a kind of cat ladder structure, is specifically related to a kind of climbing ladder apparatus being applied to elevator pit.
Background technology
Conveniently keep in repair and check, existing elevator pit is generally all provided with fixing cat ladder, and maintainer utilizes cat ladder to pass in and out elevator pit to elevator components as the section components such as snubber, over-speed governor tensioning apparatus, car carry out care and maintenance.
Due in current elevator industry, the cat ladder of elevator pit is all the antetheca (as shown in Figure 1) being fixedly installed on elevator pit, in order to the normal operation allowing cat ladder not affect elevator, elevator pit must be increased, to make cat ladder not protruding layer gate sill and layer door toeguard, elevator hoistways pit size can be caused so larger, increase construction cost, separately because its distance pit entrance distance of existing fixing cat ladder is too large, and do not have handrail to assist, suitable space of stopping over is not had to cause maintainer to be inconvenient to enter pit operation, and easily there is maintainer's fallen accident.
Utility model content
The purpose of this utility model is for the problems referred to above weak point, provides a kind of elevator pit climbing ladder apparatus of Foldable, and it effectively saves elevator pit size under ensureing the prerequisite of the normal operation of elevator, reduces the construction cost of elevator pit.
In order to achieve the above object, the utility model is by the following technical solutions:
A kind of elevator pit climbing ladder apparatus, be arranged on the pit antetheca of elevator hoistways, it comprises cat ladder main body, the cross bar that this cat ladder main body includes two montants and is located at for the formation of step between two montants, described cat ladder main body is arranged on pit antetheca by fold mechanism, described fold mechanism to be provided with when opening for cat ladder main body the fixing position limiting structure in location, and is also provided with between described cat ladder main body and pit antetheca and amounts to fixing safe locking mechanism for cat ladder main body.
Further object of the present utility model improves the ease of use of cat ladder, and convenient working personnel carry out hand steered operation, and the utility model is provided with movable hand rail in described cat ladder main body, and this movable hand rail is connected with handrail stay cord.
Particularly, described movable hand rail is stow-away arm rest, and it is arranged on montant by hinge, and is also provided with the armrest lock locking structure be fixed on when stow-away arm rest is opened on montant between stow-away arm rest and montant; Described armrest lock locking structure is a slide-and-lock cylinder being set on stow-away arm rest.
Or described movable hand rail is flexible armrest, and described flexible armrest is arranged on montant by movable latch mechanism.
Concrete further, described movable latch mechanism includes: the axis of guide, and it is laterally located in flexible armrest;
Movable latch, it is arranged on the axis of guide;
Stage clip, it to be arranged on the axis of guide and to be connected with movable latch;
Handrail pin hole, it is located on the position of the corresponding movable latch of flexible armrest;
Montant pin hole, it is located at montant upper end and suitable with movable latch;
Pull pin pivoted arm, it is hinged in flexible armrest, and one end is connected with movable latch, and one end is connected with handrail stay cord.
Further, described fold mechanism is vertical switch fold mechanism, and it comprises four vertical switch connecting rods, and it is hinged on pit antetheca in one end respectively, and one end is hinged on the montant of cat ladder main body; Concrete further, described position limiting structure is be located at the hinged limit base in the articulated position on vertical switch connecting rod and pit antetheca, and this hinged limit base is provided with one for limiting the bottom limiting plate of vertical switch connecting rod switch lower position.
Or described fold mechanism is horizontal switch fold mechanism, it comprises four horizontal switch connecting rods, and it is hinged on pit antetheca in one end respectively, and one end is hinged on the montant of cat ladder main body; Concrete further, described position limiting structure is be located at the hinged limit base in the articulated position on horizontal switch connecting rod and pit antetheca, this hinged limit base is provided with one for limiting the side limiting plate of horizontal switch connecting rod switch position, and is provided with the Active fastener for securing connecting rod for fixed lateral switch connecting rod between described side limiting plate and horizontal switch connecting rod.
In order to ensure the safety of overhauling elevator work, the utility model also comprises a home checkout gear detected for cat ladder main body folding position, the power circuit that this home checkout gear comprises sense switch and connects with external circuit.For detecting, whether cat ladder main body is folding returns normal position to described home checkout gear, thus guarantees the normal use not affecting elevator in open mode, prevents the danger that the accidental movement of cat ladder main body causes.
The utility model adopts above technical scheme, has following beneficial effect: adopt foldover design, saves parking space, thus can save hoistway space, reduces civil engineering cost.Meanwhile, be provided with movable hand rail thus facilitate maintainer to come in and go out elevator pit operation, during staff's operation, having suitable handrail to help balance health to improve job safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of climbing ladder apparatus described in the utility model embodiment 1 when open mode.
Fig. 2 is the structural representation of climbing ladder apparatus described in the utility model embodiment 1 when folded state.
Fig. 3 is the structural representation of climbing ladder apparatus described in the utility model embodiment 2 when open mode.
Fig. 4 is the structural representation of climbing ladder apparatus described in the utility model embodiment 2 when folded state.
Fig. 5 is the structural representation of movable latch mechanism described in the utility model embodiment 2.
Fig. 6 is the structural representation of climbing ladder apparatus described in the utility model embodiment 3 when open mode.
Fig. 7 is the structural representation of climbing ladder apparatus described in the utility model embodiment 3 when folded state.
Below by way of the drawings and specific embodiments, the utility model is further described:
Detailed description of the invention
Embodiment 1
As illustrated in fig. 1 and 2, a kind of elevator pit climbing ladder apparatus described in the utility model, be arranged on the pit antetheca 9 of elevator hoistways, it comprises cat ladder main body 1, the cross bar 12 that this cat ladder main body 1 includes two montants 11 and is located at for the formation of step between two montants 11, concrete structure is as follows:
Described cat ladder main body 1 is arranged on pit antetheca by fold mechanism, described fold mechanism to be provided with when opening for cat ladder main body 1 the fixing position limiting structure in location, and is also provided with between described cat ladder main body and pit antetheca and amounts to fixing safe locking mechanism for cat ladder main body.
Described fold mechanism is vertical switch fold mechanism 2, and it comprises four vertical switch connecting rods 21, and it is hinged on pit antetheca 9 in one end respectively, and one end is hinged on the montant 11 of cat ladder main body 1.
Described position limiting structure is be located at the hinged limit base 3 in the articulated position on vertical switch connecting rod and pit antetheca, and this hinged limit base 3 is provided with one for limiting the bottom limiting plate 31 of vertical switch connecting rod 21 switch lower position.
Described safe locking mechanism 4 is arranged on the top of the folding rear deposit position of cat ladder main body 1, and it comprises a pedestal and pivoted arm, and when cat ladder main body 1 is folded in deposit position, the pivoted arm rotating safe locking mechanism 4 can lock cat ladder main body 1, prevents cat ladder from automatically falling.Safe locking mechanism 4 is a kind of conventional machinery retaining mechanisms, belongs to the known features that those of ordinary skill in the art know, and its structure can be various, as long as can realize locking cat ladder main body to allow its effect that can not fall, no longer goes to live in the household of one's in-laws on getting married say at this.
In order to improve the ease of use of cat ladder further, convenient working personnel carry out hand steered operation, and the utility model is provided with movable hand rail in described cat ladder main body, and this movable hand rail is connected with handrail stay cord 6.Particularly, described movable hand rail is stow-away arm rest 5, and it is arranged on montant 11 by hinge, and is also provided with the armrest lock locking structure be fixed on when opening for stow-away arm rest 5 on montant 11 between stow-away arm rest 5 and montant 11; Described armrest lock locking structure is a slide-and-lock cylinder 51 being set on stow-away arm rest, further, described montant 11 is provided with the spacer pin 52 for gliding spacing to slide-and-lock cylinder, after stow-away arm rest 5 is opened, described slide-and-lock cylinder 51 slide downward can entangle the top of mullion 11, realizes the fixing fast of stow-away arm rest 5.
In order to ensure the safety of overhauling elevator work, the utility model is provided with a home checkout gear 7 detected for cat ladder main body folding position, the power circuit that this home checkout gear comprises sense switch and connects with external circuit, be specially, sense switch be located at the corresponding cat ladder main body of pit antetheca 91 folding after on the position of depositing, described power circuit connects with the control circuit of elevator, information that is folding for cat ladder main body 1 or that open is sent to the control circuit of elevator.For detecting, whether cat ladder main body 1 is folding returns normal position to described home checkout gear 7, thus guarantees the normal use not affecting elevator in open mode, prevents the danger that the accidental movement of cat ladder main body 1 causes.
Below by way of embody rule principle, the utility model is further described:
Its main body of climbing ladder apparatus described in the utility model is arranged on the pit antetheca 9 of hoistway, simultaneously when deposit position, cat ladder main body 1 is positioned at below aspect sill 91 and is close to pit antetheca 9, and avoids layer door toeguard 92 and deposit, and saves parking space, thus can hoistway space be saved, reduce civil engineering cost.
As Fig. 2, when stored collapsed: first pull-up slide-and-lock cylinder 51, then it is made to be in folded state folding stow-away arm rest 5, then by the cross bar 12 (i.e. cat ladder riding club) of lift cat ladder main body 1, whole cat ladder main body 1 is upwards rotated around vertical switch connecting rod 21, finally be adjacent to hoistway bottom hole antetheca 9 and the sense switch of pressing home checkout gear 7, provide the signal that elevator can normally run, and by safe locking mechanism 4, cat ladder main body 1 is locked, prevent cat ladder main body 1 outwards movement.
As Fig. 1, when opening and using: unclamp cat ladder main body 1 by safe locking mechanism 4, and hold the cross bar 12 that cat ladder main body 1 goes up most and pull out, sense switch is disconnected, provide the signal that elevator can not run, hold handrail stay cord 6 simultaneously and decontrol cat ladder main body 1, cat ladder main body 1 is allowed to drop to use location under the use of deadweight, now the bottom limiting plate 31 of hinged limit base contacts with vertical switch connecting rod 11 and the degree of freedom limitting vertical switch connecting rod 11 downward, then open stow-away arm rest 5 completely and put down slide-and-lock cylinder 51, reliably stow-away arm rest 5 and cat ladder main body 1 are connected as one, then maintainer can utilize the convenient pit operation of coming in and going out of this climbing ladder apparatus.
Embodiment 2
As shown in Fig. 3,4 and 5, the present embodiment place different from embodiment 1 is that the concrete mode of movable hand rail is different, and the movable hand rail of embodiment 1 is a kind of stow-away arm rest 5, and the movable hand rail described in the present embodiment is a kind of flexible armrest 5`, and concrete structure is as follows:
Described flexible armrest 5` is arranged on montant 11 by movable latch mechanism 8.Described movable latch mechanism 8 includes: the axis of guide 81, movable latch 82, stage clip 83, handrail pin hole 84, montant pin hole 85 and pivoted arm 86 of pulling pin.
The described axis of guide 81 is laterally located in flexible armrest 5`; Described movable latch 82 is arranged on the axis of guide 81; Described stage clip 83 to be arranged on the axis of guide 81 and to be connected with movable latch 82; Described handrail pin hole 84 is located on the position of the corresponding movable latch 82 of flexible armrest 5`; Described montant pin hole 85 is located at montant 11 upper end and suitable with movable latch 82; Described pivoted arm 86 of pulling pin is hinged in flexible armrest 5`, and one end is connected with movable latch 82, and one end is connected with handrail stay cord 6.During use, by handrail stay cord 6, flexible armrest 5` is pulled upwardly, when handrail pin hole 84 overlaps with montant pin hole 85, movable latch 82 runs through handrail pin hole 84 and montant pin hole 85 under the elastic force of stage clip 83, realize the fixing fast of flexible armrest 5` and montant 11, when needing to shrink, the rear end of pivoted arm 86 of pulling pin is pulled by handrail stay cord 6, pivoted arm 86 of pulling pin is selected around pin joint, and front end pulls movable latch 82 to exit montant pin hole 85 backward, latch-release, then can realize flexible armrest 5` shrinking toward pressing down fast.
Other structures of the present embodiment please refer to embodiment 1, no longer go to live in the household of one's in-laws on getting married say at this.
Embodiment 3
As shown in Figures 6 and 7, a kind of elevator pit climbing ladder apparatus described in the utility model, be arranged on the pit antetheca 9 of elevator hoistways, it comprises cat ladder main body 1, the cross bar 12 that this cat ladder main body 1 includes two montants 11 and is located at for the formation of step between two montants 11, described cat ladder main body 1 is arranged on pit antetheca 9 by fold mechanism, described fold mechanism 9 to be provided with when opening for cat ladder main body the fixing position limiting structure in location, and is also provided with between described cat ladder main body 1 and pit antetheca 9 and amounts to fixing safe locking mechanism 4 for cat ladder main body 1.
The present embodiment place different from embodiment 1 is that fold mechanism is different, and the fold mechanism of embodiment 1 is vertical switch fold mechanism 2, and the fold mechanism described in the present embodiment is horizontal switch fold mechanism 2`.Concrete structure is as follows:
Described horizontal switch fold mechanism 2` comprises four horizontal switch connecting rod 21`, and each horizontal switch connecting rod 21` is hinged on pit antetheca 9 in one end respectively, and one end is hinged on the montant 11 of cat ladder main body 1, concrete further, described position limiting structure is be located at laterally to the hinged limit base 3 in the articulated position on switch connecting rod and pit antetheca, this hinged limit base 3 is provided with one for limiting the side limiting plate 32 of horizontal switch connecting rod switch position, and the Active fastener for securing connecting rod (not drawing in figure) be provided with between described side limiting plate 32 and horizontal switch connecting rod 21` for fixed lateral switch connecting rod 21`, it should be noted that the wherein a kind of embodiment swung after Active fastener for securing connecting rod just allows horizontal switch connecting rod 21` fixedly prevent its location, Active fastener for securing connecting rod also can adopt other structure that can realize same purpose or parts to replace, it belongs to the common structure that those of ordinary skill in the art know, no longer go to live in the household of one's in-laws on getting married at this and say.Be illustrated in figure 7 the structural representation of the horizontal switch fold mechanism 2` of the present embodiment when folded state, Figure 6 shows that the structural representation of the horizontal switch fold mechanism 2` of the present embodiment when open mode, when opening, by pulling the montant 11 of cat ladder main body, cat ladder main body 1 is allowed to rotate around horizontal switch connecting rod 21` from right to left, then spacing by side limiting plate 32, lock finally by the horizontal switch connecting rod of Active fastener for securing connecting rod buckle, prevent cat ladder main body from moving left and right.
Other structure of the present embodiment as described in Example 1.
Claims (10)
1. an elevator pit climbing ladder apparatus, be arranged on the pit antetheca of elevator hoistways, it comprises cat ladder main body, the cross bar that this cat ladder main body includes two montants and is located at for the formation of step between two montants, it is characterized in that: described cat ladder main body is arranged on pit antetheca by fold mechanism, described fold mechanism to be provided with when opening for cat ladder main body the fixing position limiting structure in location, and is also provided with between described cat ladder main body and pit antetheca and amounts to fixing safe locking mechanism for cat ladder main body.
2. elevator pit climbing ladder apparatus according to claim 1, is characterized in that: described cat ladder main body is provided with movable hand rail, and this movable hand rail is connected with handrail stay cord.
3. elevator pit climbing ladder apparatus according to claim 2, it is characterized in that: described movable hand rail is stow-away arm rest, it is arranged on montant by hinge, and is also provided with the armrest lock locking structure be fixed on when stow-away arm rest is opened on montant between stow-away arm rest and montant; Described armrest lock locking structure is a slide-and-lock cylinder being set on stow-away arm rest.
4. elevator pit climbing ladder apparatus according to claim 2, is characterized in that: described movable hand rail is flexible armrest, and described flexible armrest is arranged on montant by movable latch mechanism.
5. elevator pit climbing ladder apparatus according to claim 4, is characterized in that: described movable latch mechanism includes: the axis of guide, and it is laterally located in flexible armrest;
Movable latch, it is arranged on the axis of guide;
Stage clip, it to be arranged on the axis of guide and to be connected with movable latch;
Handrail pin hole, it is located on the position of the corresponding movable latch of flexible armrest;
Montant pin hole, it is located at montant upper end and suitable with movable latch;
Pull pin pivoted arm, it is hinged in flexible armrest, and one end is connected with movable latch, and one end is connected with handrail stay cord.
6. elevator pit climbing ladder apparatus according to claim 1, is characterized in that: described fold mechanism is vertical switch fold mechanism, and it comprises four vertical switch connecting rods, and it is hinged on pit antetheca in one end respectively, and one end is hinged on the montant of cat ladder main body.
7. elevator pit climbing ladder apparatus according to claim 6, it is characterized in that: described position limiting structure is be located at the hinged limit base in the articulated position on vertical switch connecting rod and pit antetheca, this hinged limit base is provided with one for limiting the bottom limiting plate of vertical switch connecting rod switch lower position.
8. elevator pit climbing ladder apparatus according to claim 1, is characterized in that: described fold mechanism is horizontal switch fold mechanism, and it comprises four horizontal switch connecting rods, and it is hinged on pit antetheca in one end respectively, and one end is hinged on the montant of cat ladder main body.
9. elevator pit climbing ladder apparatus according to claim 8, it is characterized in that: described position limiting structure is be located at the hinged limit base in the articulated position on horizontal switch connecting rod and pit antetheca, this hinged limit base is provided with one for limiting the side limiting plate of horizontal switch connecting rod switch position, and is provided with the Active fastener for securing connecting rod for fixed lateral switch connecting rod between described side limiting plate and horizontal switch connecting rod.
10. elevator pit climbing ladder apparatus according to claim 1, it is characterized in that: also comprise a home checkout gear detected for cat ladder main body folding position, the power circuit that this home checkout gear comprises sense switch and connects with external circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269289.7U CN204782724U (en) | 2015-04-29 | 2015-04-29 | Elevator pit cat ladder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269289.7U CN204782724U (en) | 2015-04-29 | 2015-04-29 | Elevator pit cat ladder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204782724U true CN204782724U (en) | 2015-11-18 |
Family
ID=54522793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520269289.7U Expired - Fee Related CN204782724U (en) | 2015-04-29 | 2015-04-29 | Elevator pit cat ladder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204782724U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822219A (en) * | 2016-05-24 | 2016-08-03 | 南通三洋电梯有限责任公司 | Foldable climbing tool with safety protection function |
| CN108386126A (en) * | 2018-02-27 | 2018-08-10 | 日立电梯（中国）有限公司 | Elevator pit climbing ladder apparatus |
| CN109441332A (en) * | 2018-12-26 | 2019-03-08 | 日立电梯（中国）有限公司 | A kind of pit ladder device |
| CN109477359A (en) * | 2016-06-27 | 2019-03-15 | 奥的斯电梯公司 | Locking system for folding ladder |
| TWI657191B (en) * | 2018-01-08 | 2019-04-21 | 崇友實業股份有限公司 | Elevator pit ladder |
-
2015
- 2015-04-29 CN CN201520269289.7U patent/CN204782724U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822219A (en) * | 2016-05-24 | 2016-08-03 | 南通三洋电梯有限责任公司 | Foldable climbing tool with safety protection function |
| CN105822219B (en) * | 2016-05-24 | 2018-05-01 | 嘉世达电梯有限公司 | A kind of foldable climbing tool with safeguard protection |
| CN109477359A (en) * | 2016-06-27 | 2019-03-15 | 奥的斯电梯公司 | Locking system for folding ladder |
| CN109477359B (en) * | 2016-06-27 | 2021-04-23 | 奥的斯电梯公司 | Locking system for foldable ladder |
| TWI657191B (en) * | 2018-01-08 | 2019-04-21 | 崇友實業股份有限公司 | Elevator pit ladder |
| CN108386126A (en) * | 2018-02-27 | 2018-08-10 | 日立电梯（中国）有限公司 | Elevator pit climbing ladder apparatus |
| CN109441332A (en) * | 2018-12-26 | 2019-03-08 | 日立电梯（中国）有限公司 | A kind of pit ladder device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20200429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |