CN205023636U - Machinery retention device and pinning device that has this machinery retention device - Google Patents
Machinery retention device and pinning device that has this machinery retention device Download PDFInfo
- Publication number
- CN205023636U CN205023636U CN201520444290.9U CN201520444290U CN205023636U CN 205023636 U CN205023636 U CN 205023636U CN 201520444290 U CN201520444290 U CN 201520444290U CN 205023636 U CN205023636 U CN 205023636U
- Authority
- CN
- China
- Prior art keywords
- chain
- suspension hook
- locking device
- return circuit
- safety return
- Prior art date
- 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.)
- Withdrawn - After Issue
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model provides a machinery retention device and have this machinery retention device's pinning device. This elevator car is with mechanical retention device (9) including fixing annular iron ring (10) on the system plate washer and passing chain (4) of annular iron ring (10), the one end of chain (4) is provided with lifting hook (2) for hook elevator car when installation and/or dimension guarantor, the other end is provided with the chain and breaks out fast (5), is used for after holding elevator car, lifting hook (2) adjust the length and the lock of chain (4) are died chain (4) prevent elevator car falls. The utility model provides a machinery retention device and to have this machinery retention device's a pinning device compact structure, simple to operate, security high has greatly guaranteed elevator installation and the safety of dimension guarantor person when the well operation.
Description
Technical field
The utility model relates to mechanical restriction, in particular for the locking device with this mechanical restriction of home lift or villa elevator.
Background technology
At present, in order to utilize space substantially, home lift generally all adopts Backpack type structure, it is advantageous that configuration aspects is very compact, often only needs more shallow pit and lower overhead; Bring certain potential safety hazard also may to the installation of elevator and follow-up repair and maintenance just because of this compact design.
Such as, at well headroom lift-mounting or when carrying out elevator maintain and protection, if hang looseness of steel wire ropes or the fracture of lift car, elevator slippage can be caused even to fall.In addition, also corresponding requirement is proposed to the safety problem in the installation of elevator and repair and maintenance in GB/T21739-2008 " home lift manufacture and installation specification ".Therefore, that be used for home lift in the urgent need to exploitation, that prevent car accidental falling retaining means or locking device, thus protection is installed and the safety of repair and maintenance personnel.
Utility model content
The technical problems to be solved in the utility model is, be provided for the mechanical restriction of a kind of new structure of home lift and there is the locking device of this mechanical restriction, overcoming the design of current home lift Backpack type can utilize space little, lack the problem that well headroom prevents car accidental falling, thus provide more perfect safety control for installing repair and maintenance personnel.
For realizing described object, a preferred embodiment of the present utility model provides a kind of lift car mechanical restriction 9.Described mechanical restriction 9 comprises and is positioned at annular iron ring 10 on plate washer processed and the chain 4 through described annular iron ring 10, and one end of described chain 4 is provided with suspension hook 2, for install and/or repair and maintenance time hook lift car; The other end of described chain 4 is provided with chain fast shackle 5, for regulating the length of described chain 4 and locked described chain 4 after lift car held by described suspension hook 2, prevents described lift car from falling.
In the further preferred version that the utility model provides, the car portal frame 8 of described lift car is provided with D shape shackle 6, for cooperatively interacting pulling lift car with described suspension hook 2.
In the further preferred version that the utility model provides, described mechanical restriction comprises at least two described annular iron rings 10.
In the further preferred version that the utility model provides, the size of described suspension hook 2 and described chain 4 can be determined by the maximum weight carried.
On the other hand, the utility model additionally provides a kind of locking device for home lift.Described locking device comprise in above-mentioned mechanical restriction any one.
In the further preferred version that the utility model provides, described locking device also comprises electric component, and it is access in safety return circuit and prevents lift car from moving when locking device is in running order.
In the further preferred version that the utility model provides, described electric component comprises suspension hook mounting sheet 1, safety return circuit conduction panel 3, safety return circuit contact switch 7, wherein said suspension hook 2 hangs over when elevator normally runs on described suspension hook mounting sheet 1, and described safety return circuit conduction panel 3 is by being pressed on described safety return circuit contact switch 7.
In the further preferred version that the utility model provides, when described suspension hook 2 departs from described suspension hook mounting sheet 1, described safety return circuit conduction panel 3 departs from described safety return circuit contact switch 7 to disconnect elevator safety loop, stops elevator cab movement further from electric aspect.
In the further preferred version that the utility model provides, described electric component is arranged on the oblique upper of described mechanical restriction.
In the further preferred version that the utility model provides, described safety return circuit conduction panel 3 by gravity by being pressed on safety return circuit contact switch 7, conducting elevator safety loop.
The mechanical restriction that the utility model provides and the locking device compact conformation with this mechanical restriction, take full advantage of limited space, its mechanical part and electric component double insurance, greatly ensure that the safety of elevator installation and repair and maintenance personnel.
Accompanying drawing explanation
Fig. 1 shows the integral structure schematic diagram with the locking device of mechanical restriction that the utility model provides;
Fig. 2 shows the structural representation of electric component when locking device is in unlock state; And
Fig. 3 shows lock-out state schematic diagram when the locking device shown in Fig. 1 prevents car accidental falling.
Shown in figure: 1-suspension hook mounting sheet, 2-suspension hook, 3-safety return circuit conduction panel, 4-chain, 5-chain fast shackle, the shackle of 6-D type, 7-safety return circuit contact switch, 8-lift car portal frame, 9-mechanical restriction, 10-annular iron ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.Although be described in detail the utility model based on preferred embodiment, those skilled in the art should know, and the scope of the utility model request protection is not limited to this preferred embodiment.When not departing from spirit of the present utility model and purport; those of ordinary skill in the art can carry out variations and modifications to embodiment on understanding basis of the present utility model, and therefore falls in the protection domain of the utility model claims restriction.
As shown in Figure 1, the locking device that the utility model provides includes electric component and mechanical part, and wherein electric component entirety is arranged on the oblique upper of mechanical part.In view of the most of feature in this mechanical part such as: adapter plate, plate washer processed, micro-switch, limit switch, anchor fitting, dead axle etc. are in the invention that our company has, i.e. a kind of Safe retention device for household elevator (patent No.: ZL201210066476.6, authorize day: 2014.05.14) in carried out detailed disclosure, same parts involved in the utility model can with reference to the description in this patent of invention, and the improvement only just relevant with locking device provided by the utility model at this is described in detail.Described mechanical part comprises mechanical restriction 9 and is arranged at least two annular iron rings 10 on plate washer processed.
When installation or repair and maintenance elevator, chain 4 is through described annular iron ring and one end is provided with suspension hook for holding lift car, the chain fast shackle 5 that the other end is arranged, for the length of adjusting chain 4 after lift car held by described suspension hook 2 and locked described chain 4, prevent described lift car from falling and prevent car from surprisingly sliding or falling.
As shown in Figure 2, the electric component of this locking device adopts safety return circuit to prevent lift car from falling.Specifically, described electric component comprises suspension hook mounting sheet 1, safety return circuit conduction panel 3, safety return circuit contact switch 7.
Wherein, suspension hook mounting sheet 1 is fixed on the metope bearing wall at Backpack type guide rail place, plays the effect of hanging suspension hook 2.Preferably, this suspension hook mounting sheet is installed in the oblique upper of mechanical restriction 9.
Described suspension hook 2 is suspended on when elevator normally runs on described suspension hook mounting sheet 1.
Safety return circuit conduction panel 3 is stainless steel preferably, and it is arranged in the safety buckle of suspension hook 2, and preferably, described safety return circuit conduction panel adopts the mode of rivet interlacement to be fixed.
Safety return circuit contact switch 7 is arranged on suspension hook mounting sheet 1, is connected in elevator safety loop.Described safety return circuit conduction panel 3 is by gravity by being pressed on described safety return circuit contact switch 7, thus conducting elevator safety loop, ensures the normal operation of elevator.
As shown in Figure 3, when installation or repair and maintenance elevator, such as when elevator cab movement is to during close to top layer position, suspension hook 2 is taken off from suspension hook mounting sheet 1, now safety return circuit conduction panel 3 departs from safety return circuit contact switch 7, thus disconnect the safety return circuit of elevator, the motion of car is stoped from electric aspect.
Further, described suspension hook 2 hooks lift car, holds car especially by the D type shackle 6 be arranged on lift car portal frame 8.By the locking of chain fast shackle 5, the chain 4 after adjustment length forms closed loop through two annular iron rings 10, makes chain 4 be in tensioned state.In the case, lift car is suspended on mechanical restriction 9 by chain 4, guarantees that elevator under any circumstance can not accidental falling, thus ensure that the safety of installing with repair and maintenance personnel.
It should be noted that, after elevator installation or repair and maintenance, chain fast shackle 5 is opened, suspension hook 2 can take out from D type shackle 6, again be hung up on the suspension hook mounting sheet 1 of locking device, ensure safety return circuit conduction panel 3 conducting safety return circuit contact switch 7, make elevator recover normal operating condition.
Preferably, the specification of chain 4 and suspension hook 2 can be determined by the maximum weight that will carry.
Compared with prior art, the Room door lock that provides of the utility model and elevator device thereof have the following advantages:
1, the mechanical restriction that provides of the utility model and the locking device compact conformation with this mechanical restriction, be applicable to home lift or the compact small and exquisite dimensional characteristic of villa elevator.Such as the size of whole locking device is only 190mm × 120mm × 50mm, and is only arranged near well headroom supporting point, make use of space greatly, and conflicts without any assembling with other elevator components.
2, the mechanical restriction that provides of the utility model and the locking device with this mechanical restriction easy for installation, such as concrete wall surface can adopt expansion anchor be fixed, and can adopt in hoistway with steel structure and fix wearing bolt, also can be welded on steel structure, mounting means is various and convenient.
3, the mechanical restriction safety that provides of the utility model is high, and the locking device especially with this mechanical restriction has mechanical part and electric component double insurance, greatly ensure that elevator is installed and the safety of repair and maintenance personnel.
Although be described in detail the utility model based on preferred embodiment, those skilled in the art should know, and the scope of the utility model request protection is not limited to this preferred embodiment.When not departing from spirit of the present utility model and purport; those of ordinary skill in the art can carry out variations and modifications to embodiment on understanding basis of the present utility model, and therefore falls in the protection domain of the utility model claims restriction.
Claims (10)
1. a lift car is with mechanical restriction (9), it is characterized in that, described mechanical restriction (9) comprises the annular iron ring (10) be fixed on plate washer processed and the chain (4) passing described annular iron ring (10), one end of described chain (4) is provided with suspension hook (2), for install and/or repair and maintenance elevator time hook lift car; The other end of described chain (4) is provided with chain fast shackle (5), for regulating the length of described chain (4) and locked described chain (4) after lift car held by described suspension hook (2), prevent described lift car from falling.
2. mechanical restriction according to claim 1, is characterized in that: the car portal frame (8) of described lift car is provided with D shape shackle (6), for cooperatively interacting pulling lift car with described suspension hook (2).
3. mechanical restriction according to claim 1, is characterized in that, described mechanical restriction comprises at least two described annular iron rings (10).
4. mechanical restriction as claimed in any of claims 1 to 3, is characterized in that: the size of described suspension hook (2) and/or described chain (4) is determined by the maximum weight carried.
5. for a locking device for home lift, it is characterized in that, described locking device comprises mechanical restriction as claimed in any of claims 1 to 4.
6. locking device according to claim 5, is characterized in that: described locking device also comprises electric component, and it is access in safety return circuit and prevents lift car from moving when locking device is in running order.
7. locking device according to claim 6, it is characterized in that: described electric component comprises suspension hook mounting sheet (1), safety return circuit conduction panel (3), safety return circuit contact switch (7), wherein said suspension hook (2) hangs over when elevator normally runs on described suspension hook mounting sheet (1), and described safety return circuit conduction panel (3) is by being pressed on described safety return circuit contact switch (7).
8. locking device according to claim 7, it is characterized in that: when described suspension hook (2) departs from described suspension hook mounting sheet (1), described safety return circuit conduction panel (3) departs from described safety return circuit contact switch (7) to disconnect elevator safety loop, stops elevator cab movement further from electric aspect.
9. according to the locking device in claim 6 to 8 described in any one, it is characterized in that: described electric component is arranged on the oblique upper of described mechanical restriction.
10., according to the locking device in claim 6 to 8 described in any one, it is characterized in that: described safety return circuit conduction panel (3) by gravity by being pressed on safety return circuit contact switch (7), conducting elevator safety loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444290.9U CN205023636U (en) | 2015-06-25 | 2015-06-25 | Machinery retention device and pinning device that has this machinery retention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444290.9U CN205023636U (en) | 2015-06-25 | 2015-06-25 | Machinery retention device and pinning device that has this machinery retention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205023636U true CN205023636U (en) | 2016-02-10 |
Family
ID=55256187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520444290.9U Withdrawn - After Issue CN205023636U (en) | 2015-06-25 | 2015-06-25 | Machinery retention device and pinning device that has this machinery retention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205023636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315325A (en) * | 2015-06-25 | 2017-01-11 | 蒂森克虏伯家用电梯(上海)有限公司 | Mechanical stop device and lock device with mechanical stop device |
-
2015
- 2015-06-25 CN CN201520444290.9U patent/CN205023636U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315325A (en) * | 2015-06-25 | 2017-01-11 | 蒂森克虏伯家用电梯(上海)有限公司 | Mechanical stop device and lock device with mechanical stop device |
| CN106315325B (en) * | 2015-06-25 | 2020-06-23 | 蒂森克虏伯家用电梯(上海)有限公司 | Mechanical blocking device and locking device with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160210 Effective date of abandoning: 20200623 |