CN208761918U - A kind of home lift shaft machinery prevention device - Google Patents
A kind of home lift shaft machinery prevention device Download PDFInfo
- Publication number
- CN208761918U CN208761918U CN201821105985.4U CN201821105985U CN208761918U CN 208761918 U CN208761918 U CN 208761918U CN 201821105985 U CN201821105985 U CN 201821105985U CN 208761918 U CN208761918 U CN 208761918U
- Authority
- CN
- China
- Prior art keywords
- mandril
- hoistway
- lift shaft
- home lift
- safety protection
- 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.)
- Expired - Fee Related
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model relates to a kind of home lift shaft machineries to prevent device, including hoistway, carriage, counterweight and safety protection switch, and carriage is arranged in hoistway, and can move up and down in hoistway;Counterweight is arranged in hoistway;Safety protection switch is connected by electrical wiring to control system;There are two the quantity tools for preventing mechanism, and two prevention mechanisms are respectively used to support carriage and counterweight, each prevention mechanism include mandril, and mandril includes movable end and support end, and when mandril is in vertical working condition, movable end compresses safety protection switch;When mandril is in horizontal off working state, movable end, which unclamps safety protection switch, resets safety protection switch.The utility model save space, do not influence elevator normal operation, it is easy to operate.
Description
Technical field
The utility model relates to a kind of home lift shaft machineries to prevent device.
Background technique
As economy continues to develop, villa quarter is more and more, is based on resident's demand, the home lift being mounted in villa
It can be more and more.Due to the limitation in space in villa, the hoistway of elevator is than narrow, and top layer is shorter, well pit depth
Relatively shallower, this has resulted in hoistway top and pit overhaul is difficult.According to GB/T21739-2008 " home lift manufacture and installation
Specification " requirement need to install machine when the top layer of home lift and pit space cannot ensure the life security of maintenance staff
Tool prevents device from guaranteeing safe space as ancillary equipment.
The Chinese patent document that authorization publication No. is CN203976177U discloses a kind of home lift car floor maintenance prevention
Device, the device include the prevention mandril being fixed on guide rail with pressure guide plate, with prevent mandril be socketed can be rotated by certain angle
Prevention apical axis and be installed adjacent to pit bottom limit switch composition.When elevator needs to overhaul, personnel is needed to be introduced into bottom
Then hole will prevent apical axis from rotating under car floor or counterweight at limit switch, triggering position limitation protection switch, switch motion, electricity
Ladder switches to inspecting state by normal operating condition.After well space is small especially in the case where counterweight, carriage and counterweight it
Between gap it is small, this device is inconvenient in counterweight-side.When the device is in off-position, preventing apical axis is in counterweight
Rail back parallel position, when elevator operates normally, carriage can bump against with apical axis is prevented.
Utility model content
Technical problem to be solved by the utility model is: provide it is a kind of saving space, do not influence elevator normal operation, behaviour
Make simple home lift shaft machinery and prevents device.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of home lift shaft machinery prevents device, includes:
Hoistway;
Carriage is arranged in hoistway, and can move up and down in hoistway;
Counterweight is arranged in hoistway;
Safety protection switch is connected by electrical wiring to control system;
Mechanism is prevented, there are two quantity tools, and two prevention mechanisms are respectively used to support carriage and counterweight, each prevention mechanism
Including mandril, mandril includes movable end and support end, and when mandril is in vertical working condition, movable end compresses safeguard protection and opens
It closes;When mandril is in horizontal off working state, movable end, which unclamps safety protection switch, resets safety protection switch.
It preferably, further include mandril mounting base, mandril mounting base is mounted on the bottom end of hoistway;Mechanism is prevented to be mounted on mandril
In mounting base.
Preferably, mandril mounting base is mounted on the ground of hoistway by expansion bolt.
Preferably, mandril mounting base includes mandril bottom plate and mandril with to angle steel, and mandril bottom plate is pacified by expansion bolt
On the ground of hoistway.
It preferably, further include spring, spring one end is mounted in mandril mounting base, and the other end is mounted on mandril.
Preferably, cushion is provided on the support end of mandril.
Preferably, the jack for being inserted into when vertical for mandril is provided on mandril bottom plate.
Preferably, mandril with to angle steel quantity tool there are two, the movable end of mandril be located at mandril with to angle steel it
Between, the movable end and mandril of mandril are fixed with to angle steel by fastener.
Utility model has the advantages that the top of mechanism will be prevented when the pit that maintenance personal enters hoistway is overhauled
Bar is rotated from horizontality to vertical state, and safety protection switch is compressed by movable end at this time, and safety protection switch disconnects, and is passed through
Signal is passed to the control system in control cabinet, control system starting protection system by electric wire, and pressure forbids elevator to run, in this way
Carriage and counterweight not only have been withstood with mandril, has prevented the operation of carriage and counterweight, ensure that carriage also by electrical component
And counterweight remains static.It completes when maintenance personal repairs and then rotates mandril to horizontality from vertical state,
Movable end, which unclamps safety protection switch, resets safety protection switch, and control system receives reset signal, as maintenance personal to well
Outside road, after releasing service mode, elevator is restored to normal operating conditions.The utility model saves that space, not influence elevator normal
It is operation, easy to operate.
Detailed description of the invention
Fig. 1 is the main view that the utility model embodiment home lift shaft machinery prevents device;
Fig. 2 is the side view that the utility model embodiment home lift shaft machinery prevents device;
Fig. 3 is the partial enlarged view of Fig. 2;
Fig. 4 is the top view that the utility model embodiment home lift shaft machinery prevents device;
Fig. 5 is the partial enlarged view of Fig. 4.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
As shown in Figs. 1-5, it includes hoistway 14, carriage 12, counterweight that the home lift shaft machinery of the present embodiment, which prevents device,
13 and safety protection switch 8, carriage 12 is arranged in hoistway 14, and can move up and down in hoistway 14.The setting of counterweight 13 exists
In hoistway 14.Safety protection switch 8 is connected to control system by electric wire 10.Prevent two preventions there are two mechanism quantity tools
Mechanism is respectively used to support carriage 12 and counterweight 13, and each prevention mechanism includes mandril 2, and mandril 2 includes movable end and support end,
When mandril 2 is in vertical working condition, movable end compresses safety protection switch 8.Mandril 2 is in horizontal off working state
When, movable end, which unclamps safety protection switch 8, resets safety protection switch 8.
Preferably, it further includes mandril mounting base, mandril mounting base that the home lift shaft machinery of the present embodiment, which prevents device,
It is mounted on the bottom end of hoistway 14;Mechanism is prevented to be mounted in mandril mounting base.Preferably, mandril mounting base includes mandril bottom plate 4
With mandril with to angle steel 3, mandril bottom plate 4 is mounted on the ground of hoistway 14 by expansion bolt 9.Mandril mounting base is by mandril
Bottom plate 4 and mandril are welded with to angle steel 3.
Preferably, it further includes spring 7 that the home lift shaft machinery of the present embodiment, which prevents device, and 7 one end of spring is mounted on
In mandril mounting base, the other end is mounted on mandril 2.Spring 7 is used for when mandril 2 is in vertical working condition, is risen to tense and be determined
Position effect.
Preferably, cushion 1 made of rubber production is provided on the support end of mandril 2, cushion 1 has been used for damping work
With.
Preferably, the jack for being inserted into when vertical for mandril 2 is provided on mandril bottom plate 4.Jack, which has been used to position, to be made
With.Mandril bottom plate 4 is rectangle steel plate.Mandril 2 is formed by steel pipe and bolt welding, and steel pipe is provided with to wearing length at lower end
Circular hole.Preferably, mandril with to angle steel 3 quantity tool there are two, the movable end of mandril 2 be located at mandril with to angle steel 3 it
Between, the movable end and mandril of mandril 2 are fixed with to angle steel 3 by fastener.Specifically, the movable end of mandril 2 and mandril are used
It is fixed by bolt 5, nut 6 to angle steel 3.For two mandrils with to the back-to-back arrangement of angle steel 3, mandril 2 can be with respect to mandril
It is rotated with to angle steel 3.
The home lift shaft machinery of the present embodiment prevents the advantages of device from being: maintenance personal enters the pit of hoistway 14
15 when being overhauled, and the mandril 2 for preventing mechanism is rotated from horizontality to vertical state, and the movable end of mandril 2 is inserted into
Mandril bottom plate 4, safety protection switch 8 is compressed by movable end at this time, and safety protection switch 8 disconnects, and is passed signal by electric wire 10
The control system in control cabinet 11, control system starting protection system are passed, pressure forbids elevator to run, not only uses mandril in this way
2 have withstood carriage 12 and counterweight 13, prevent the operation of carriage 12 and counterweight 13, ensure that carriage 12 also by electrical component
And counterweight 13 remains static.It completes when maintenance personal repairs and then rotates mandril 2 to horizontal from vertical state
State, movable end, which unclamps safety protection switch 8, resets safety protection switch 8, and control system receives reset signal, works as maintenance personal
To outside hoistway 14, after releasing service mode, elevator is restored to normal operating conditions.
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.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (8)
1. a kind of home lift shaft machinery prevents device characterized by comprising
Hoistway (14);
Carriage (12) is arranged in hoistway (14), and can move up and down in hoistway (14);
Counterweight (13) is arranged in hoistway (14);
Safety protection switch (8) is connected to control system by electric wire (10);
Mechanism is prevented, there are two quantity tools, and two prevention mechanisms are respectively used to support carriage (12) and counterweight (13), each prevention
Mechanism includes mandril (2), and the mandril (2) includes movable end and support end, and the mandril (2) is in vertical working condition
When, movable end compresses safety protection switch (8);When the mandril (2) is in horizontal off working state, movable end unclamps safety
Protective switch (8) resets safety protection switch (8).
2. home lift shaft machinery according to claim 1 prevents device, which is characterized in that further include mandril installation
Seat, mandril mounting base are mounted on the bottom end of hoistway (14);Mechanism is prevented to be mounted in mandril mounting base.
3. home lift shaft machinery according to claim 2 prevents device, which is characterized in that the mandril mounting base is logical
Expansion bolt (9) is crossed to be mounted on the ground of hoistway (14).
4. home lift shaft machinery according to claim 2 or 3 prevents device, which is characterized in that the mandril installation
Seat includes mandril bottom plate (4) and mandril with to angle steel (3), and the mandril bottom plate (4) is mounted on hoistway by expansion bolt (9)
(14) on ground.
5. home lift shaft machinery according to claim 1 prevents device, which is characterized in that further include spring (7), institute
It states spring (7) one end to be mounted in mandril mounting base, the other end is mounted on mandril (2).
6. home lift shaft machinery according to claim 1 prevents device, which is characterized in that the branch of the mandril (2)
Support is provided with cushion (1) on end.
7. home lift shaft machinery according to claim 1 prevents device, which is characterized in that the mandril bottom plate (4)
On be provided with jack for being inserted into when vertical for mandril (2).
8. home lift shaft machinery according to claim 1 prevents device, which is characterized in that the mandril is with to angle
There are two the quantity tools of steel (3), and the movable end of mandril (2) is located at mandril between angle steel (3), the work of the mandril (2)
Moved end and mandril are fixed with to angle steel (3) by fastener.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821105985.4U CN208761918U (en) | 2018-07-13 | 2018-07-13 | A kind of home lift shaft machinery prevention device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821105985.4U CN208761918U (en) | 2018-07-13 | 2018-07-13 | A kind of home lift shaft machinery prevention device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208761918U true CN208761918U (en) | 2019-04-19 |
Family
ID=66129238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821105985.4U Expired - Fee Related CN208761918U (en) | 2018-07-13 | 2018-07-13 | A kind of home lift shaft machinery prevention device |
Country Status (1)
Country | Link |
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CN (1) | CN208761918U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111942985A (en) * | 2020-08-12 | 2020-11-17 | 山东富士制御电梯有限公司 | Home use elevator pit overhauls safety device |
CN112173906A (en) * | 2019-07-05 | 2021-01-05 | 奥的斯电梯公司 | Elevator assembly with counterweight blocking stop block |
CN113939468A (en) * | 2019-06-18 | 2022-01-14 | 三菱电机株式会社 | Method for replacing emergency stop device of elevator and replacement device for emergency stop device of elevator |
-
2018
- 2018-07-13 CN CN201821105985.4U patent/CN208761918U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113939468A (en) * | 2019-06-18 | 2022-01-14 | 三菱电机株式会社 | Method for replacing emergency stop device of elevator and replacement device for emergency stop device of elevator |
CN113939468B (en) * | 2019-06-18 | 2023-05-30 | 三菱电机株式会社 | Method for replacing emergency stop device of elevator and device for replacing emergency stop device of elevator |
CN112173906A (en) * | 2019-07-05 | 2021-01-05 | 奥的斯电梯公司 | Elevator assembly with counterweight blocking stop block |
CN111942985A (en) * | 2020-08-12 | 2020-11-17 | 山东富士制御电梯有限公司 | Home use elevator pit overhauls safety device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 |