CN113830636B - Elevator pit overhauls safety device - Google Patents
Elevator pit overhauls safety device Download PDFInfo
- Publication number
- CN113830636B CN113830636B CN202111187972.2A CN202111187972A CN113830636B CN 113830636 B CN113830636 B CN 113830636B CN 202111187972 A CN202111187972 A CN 202111187972A CN 113830636 B CN113830636 B CN 113830636B
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- CN
- China
- Prior art keywords
- guide rail
- limiting hole
- pit
- blocking rod
- blocking
- 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.)
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Classifications
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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
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
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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
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
- B66B5/0056—Safety of maintenance personnel by preventing crushing
- B66B5/0075—Safety of maintenance personnel by preventing crushing by anchoring the elevator car or counterweight
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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
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses an elevator pit maintenance safety protection device, which comprises a guide rail arranged in a pit, and is characterized in that: a blocking protection mechanism is arranged in the pit and connected with the guide rail, a supporting plate is arranged at the bottom of the pit, and the bottom of the guide rail is vertically arranged in the middle of the top surface of the supporting plate; the blocking protection mechanism comprises a mounting plate, a sleeve and a blocking rod, the mounting plate is mounted on the guide rail, the sleeve is parallel to the guide rail, and the left side of the sleeve is rotationally connected with the right end of the mounting plate through a connecting mechanism; the middle part of the blocking rod is movably inserted into the lantern ring; the support plate on the right side of the guide rail is provided with a right side limiting hole and a front side limiting hole, and the bottom of the blocking rod can be inserted into the right side limiting hole or the front side limiting hole. The invention improves the safety of pit overhaul and reduces the potential safety hazard.
Description
Technical Field
The invention relates to an elevator, in particular to an elevator pit overhaul safety protection device.
Background
In a car elevator structure, a pit is generally provided, and a buffer is provided in the pit to prevent the elevator pier from being bottomed. When the pit is overhauled, if the car suddenly drops, the car can only be buffered and supported by the buffer, but the height of the buffer is lower, and particularly for a shallow pit structure, operators cannot be protected at all, so that a great potential safety hazard exists. Therefore, how to solve the above technical problems is a direction that a person skilled in the art needs to make efforts.
Disclosure of Invention
The invention aims to provide a safety protection device for overhauling an elevator pit, which improves the overhauling safety and reduces the potential safety hazard by using the structure.
In order to achieve the above purpose, the invention adopts the following technical scheme: the elevator pit overhauling safety protection device comprises a guide rail arranged in a pit, wherein the guide rail is arranged close to the side wall of the pit, a blocking protection mechanism is arranged in the pit and connected with the guide rail, a supporting plate is arranged at the bottom of the pit, and the bottom of the guide rail is vertically arranged in the middle of the top surface of the supporting plate; the blocking protection mechanism comprises a mounting plate, a sleeve and a blocking rod, the mounting plate is mounted on the guide rail, the sleeve is parallel to the guide rail, and the left side of the sleeve is rotationally connected with the right end of the mounting plate through a connecting mechanism;
the middle part of the blocking rod is movably inserted into the lantern ring, and the top and the bottom of the blocking rod are respectively arranged above the top and below the bottom of the lantern ring;
a right limiting hole and a front limiting hole are formed in the supporting plate on the right side of the guide rail, and the bottom of the blocking rod can be inserted into the right limiting hole or the front limiting hole; when the bottom of the blocking rod is inserted into the right limiting hole, the blocking rod is arranged on the right side of the guide rail; when the bottom of the blocking rod is inserted into the front limiting hole, the blocking rod is arranged at the front end of the right side of the guide rail.
In the above technical scheme, coupling mechanism includes the connecting rod, the right side of mounting panel front end is equipped with two sets of vertical plates, the both ends of connecting rod with two sets of vertical plates link to each other, the top and the bottom of connecting rod set up respectively in top and bottom below of mounting panel, sheathed tube left side top and bottom are equipped with a connecting plate respectively, two sets of the connecting plate respectively with the top and the bottom rotation of connecting rod link to each other.
In the technical scheme, the middle part of the mounting plate is connected with the rear side surface of the guide rail, a safety switch is arranged on the rear side surface of the right end of the mounting plate, and the detection end of the safety switch is upwards arranged; when the bottom of the blocking rod is inserted into the right limiting hole, the bottom surface of the connecting plate at the top is propped against the detection end of the safety switch.
In the technical scheme, the bottom surface of the top connecting plate is propped against the top surface of the top longitudinal plate, and the top surface of the bottom connecting plate is propped against the bottom surface of the bottom longitudinal plate; the top of connecting rod is equipped with the nut, and the bottom is equipped with down the nut, the bottom surface of going up the nut is close to the top surface setting of connecting plate, the top surface of down the nut is close to the bottom surface setting of connecting plate.
In the above technical scheme, the right side limiting hole is arranged on the right side of the guide rail, and the front side limiting hole is arranged on the front side between the right side limiting hole and the guide rail.
In the technical scheme, the top of the blocking rod is provided with a damping rubber pad.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the elevator pit maintenance device, the supporting plate and the blocking rod are arranged in the pit, the blocking rod is radially limited through the sleeve and the mounting plate, the sleeve can be in rotary connection with the mounting plate arranged on the guide rail, and the two groups of limiting holes are formed in the supporting plate, so that when the elevator is normally used, the blocking rod is positioned at the side of the guide rail and does not influence the normal operation of the elevator, if the pit maintenance is required, the blocking rod rotates to the front side of the guide rail, and the blocking rod is limited by the other group of limiting holes, so that the blocking rod can be positioned under the elevator to play a role in safety protection, the elevator pit maintenance device is simple in structure and low in cost, meanwhile, the safety hidden danger is reduced.
Drawings
FIG. 1 is a schematic view of a first embodiment of the present invention (with the bottom of the blocking rod inserted into the right limiting hole);
FIG. 2 is a schematic view of the structure of the first embodiment of the present invention (the bottom of the blocking rod is inserted into the front limiting hole);
fig. 3 is a schematic perspective view of fig. 1.
Wherein: 1. a guide rail; 2. a support plate; 3. a mounting plate; 4. a sleeve; 5. a blocking lever; 6. a right limiting hole; 7. a front limit hole; 8. a connecting rod; 9. a longitudinal plate; 10. a connecting plate; 11. a safety switch; 12. a top nut; 13. a lower nut; 14. damping rubber pad.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples:
embodiment one: referring to fig. 1-3, an elevator pit maintenance safety protection device comprises a guide rail 1 arranged in a pit, wherein the guide rail is arranged close to the side wall of the pit, a blocking protection mechanism is arranged in the pit and is connected with the guide rail, a supporting plate 2 is arranged at the bottom of the pit, and the bottom of the guide rail is vertically arranged in the middle of the top surface of the supporting plate; the blocking protection mechanism comprises a mounting plate 3, a sleeve 4 and a blocking rod 5, wherein the mounting plate is mounted on the guide rail, the sleeve is parallel to the guide rail, and the left side of the sleeve is rotationally connected with the right end of the mounting plate through a connecting mechanism;
the middle part of the blocking rod is movably inserted into the lantern ring, and the top and the bottom of the blocking rod are respectively arranged above the top and below the bottom of the lantern ring;
a right limiting hole 6 and a front limiting hole 7 are formed in the supporting plate on the right side of the guide rail, and the bottom of the blocking rod can be inserted into the right limiting hole or the front limiting hole; when the bottom of the blocking rod is inserted into the right limiting hole, the blocking rod is arranged on the right side of the guide rail; when the bottom of the blocking rod is inserted into the front limiting hole, the blocking rod is arranged at the front end of the right side of the guide rail.
In this embodiment, when the elevator normally uses, the bottom of blocking the pole can insert in right side limiting hole for blocking the pole and being in the positive right side of guide rail, the elevator reciprocates the in-process like this, the car can not with blocking the pole contact, does not influence the normal operating of elevator. If need carry out the maintenance to the pit, after the operating personnel got into the pit, will stop the pole and draw up earlier for stop the bottom of pole and break away from right side limiting hole, then grasp and stop the pole, rotate forward around the mounting panel through coupling mechanism, when making stop the pole and rotate to the front side limiting hole directly over, put down the pole, make the bottom of stopping the pole insert the front side limiting hole, stop the front end that the pole can be in the guide rail right side like this, namely can be in under the car promptly, even if the car goes wrong dropping down like this, also can be stopped by stopping the pole, can effectively reduce the potential safety hazard, improve maintainer's security. Wherein, block the pin and can reciprocate in the sleeve pipe, radially spacing to blocking the pole through right side limiting hole or front side limiting hole, prevent to block the pin and remove, guarantee to block the pin and can not remove in the use, guarantee the security of use, block the pin position simultaneously and also be convenient for adjust, the structure is also simple, and the cost is also comparatively cheap. Meanwhile, when the elevator normally operates, the blocking rod is located at the side of the guide rail, other pit spaces cannot be occupied, occupation of the pit spaces is effectively reduced, and maintenance of operators is facilitated.
Referring to fig. 1-3, the connecting mechanism comprises a connecting rod 8, two groups of vertical plates 9 are arranged on the right side of the front end of the mounting plate, two ends of the connecting rod are connected with the two groups of vertical plates, the top and the bottom of the connecting rod are respectively arranged above the top and below the bottom of the mounting plate, a connecting plate 10 is respectively arranged at the top and the bottom of the left side of the sleeve, and the two groups of connecting plates are respectively connected with the top and the bottom of the connecting rod in a rotating way.
In this embodiment, the mounting panel is direct through the rear side of cardboard joint at the guide rail, can not influence the normal removal of elevator guide shoe on the guide rail like this, simultaneously, even the mounting panel is likely to reciprocate on the guide rail, as long as the mounting panel is not dropped from the guide rail, sheathed tube position is even relative upper and lower slip, blocks the pole and also can not empty for block the pole and be in vertical state, do not influence the guard action that blocks the pole.
Referring to fig. 2 and 3, the middle part of the mounting plate is connected with the rear side surface of the guide rail, the rear side surface of the right end of the mounting plate is provided with a safety switch 11, and the detection end of the safety switch is upwards arranged; when the bottom of the blocking rod is inserted into the right limiting hole, the bottom surface of the connecting plate at the top is propped against the detection end of the safety switch.
In this embodiment, safety switch can be connected with the elevator host computer is automatically controlled, when the bottom of blocking the pole is inserted in the limiting hole on the right side, indicates that the pole of blocking is in the right side of guide rail, does not influence the normal operating of car, and the connecting plate can support above safety switch like this, can give the elevator host computer circular telegram and carry out normal operation this moment. If the blocking rod rotates to the front side of the right end of the guide rail, the connecting plate is separated from the safety switch, namely the safety switch is in a triggering state, and the pit is in a maintenance state, so that the elevator main machine is powered off, the elevator cannot operate, misoperation is prevented, the elevator is caused to operate, double protection is achieved, the safety of pit maintenance is further improved, and potential safety hazards are reduced.
The bottom surface of the connecting plate at the top is propped against the top surface of the vertical plate at the top, and the top surface of the connecting plate at the bottom is propped against the bottom surface of the vertical plate at the bottom; the top of connecting rod is equipped with nut 12, and the bottom is equipped with nut 13 down, the bottom surface of nut is close to the top surface setting of connecting plate down, the top surface of nut is close to the bottom surface setting of connecting plate down.
The upper nut and the lower nut limit the position of the sleeve, so that the limit quality of the blocking rod is ensured.
The right limiting hole is formed in the right side of the guide rail, and the front limiting hole is formed in the front side between the right limiting hole and the guide rail.
Wherein, right side spacing hole and front side spacing hole can be around the axis annular equipartition of connecting rod for when the sleeve pipe rotated different angles, stop the pole and can rotate corresponding spacing hole department, guarantee to stop the pole and can insert corresponding spacing downthehole, prevent to stop the pole and remove through the sleeve pipe, play spacing effect.
Referring to fig. 3, a damping rubber pad 14 is provided on the top of the blocking rod. Through the setting of shock attenuation rubber pad, when truly taking place the car and drop, can play the effect of buffering through shock attenuation rubber pad, reduce the impact force that produces when the car drops, improve the security.
Claims (3)
1. The utility model provides an elevator pit overhauls safety device, includes the guide rail of installing in the pit, the guide rail is close to the lateral wall setting of pit, its characterized in that: a blocking protection mechanism is arranged in the pit and connected with the guide rail, a supporting plate is arranged at the bottom of the pit, and the bottom of the guide rail is vertically arranged in the middle of the top surface of the supporting plate; the blocking protection mechanism comprises a mounting plate, a sleeve and a blocking rod, the mounting plate is mounted on the guide rail, the sleeve is parallel to the guide rail, and the left side of the sleeve is rotationally connected with the right end of the mounting plate through a connecting mechanism;
the middle part of the blocking rod is movably inserted into the sleeve, and the top and the bottom of the blocking rod are respectively arranged above the top and below the bottom of the sleeve;
a right limiting hole and a front limiting hole are formed in the supporting plate on the right side of the guide rail, and the bottom of the blocking rod can be inserted into the right limiting hole or the front limiting hole; when the bottom of the blocking rod is inserted into the right limiting hole, the blocking rod is arranged on the right side of the guide rail; when the bottom of the blocking rod is inserted into the front limiting hole, the blocking rod is arranged at the front end of the right side of the guide rail;
the connecting mechanism comprises a connecting rod, two groups of longitudinal plates are arranged on the right side of the front end of the mounting plate, two ends of the connecting rod are connected with the two groups of longitudinal plates, the top and the bottom of the connecting rod are respectively arranged above the top and below the bottom of the mounting plate, a connecting plate is respectively arranged at the top and the bottom of the left side of the sleeve, and the two groups of connecting plates are respectively connected with the top and the bottom of the connecting rod in a rotating way;
the middle part of the mounting plate is connected with the rear side surface of the guide rail, a safety switch is arranged on the rear side surface of the right end of the mounting plate, and the detection end of the safety switch is arranged upwards; when the bottom of the blocking rod is inserted into the right limiting hole, the bottom surface of the connecting plate at the top is propped against the detection end of the safety switch;
the top of the blocking rod is provided with a damping rubber pad.
2. The elevator pit maintenance safety protection device of claim 1, wherein: the bottom surface of the connecting plate at the top is propped against the top surface of the vertical plate at the top, and the top surface of the connecting plate at the bottom is propped against the bottom surface of the vertical plate at the bottom; the top of connecting rod is equipped with the nut, and the bottom is equipped with down the nut, the bottom surface of going up the nut is close to the top surface setting of connecting plate, the top surface of down the nut is close to the bottom surface setting of connecting plate.
3. The elevator pit maintenance safety protection device of claim 1, wherein: the right side limiting hole is arranged on the right side of the guide rail, and the front side limiting hole is arranged on the front side between the right side limiting hole and the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187972.2A CN113830636B (en) | 2021-10-12 | 2021-10-12 | Elevator pit overhauls safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187972.2A CN113830636B (en) | 2021-10-12 | 2021-10-12 | Elevator pit overhauls safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113830636A CN113830636A (en) | 2021-12-24 |
| CN113830636B true CN113830636B (en) | 2023-05-02 |
Family
ID=78968702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111187972.2A Active CN113830636B (en) | 2021-10-12 | 2021-10-12 | Elevator pit overhauls safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113830636B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005178997A (en) * | 2003-12-19 | 2005-07-07 | Otis Elevator Co | Cage fall preventing device |
| JP2012030927A (en) * | 2010-07-30 | 2012-02-16 | Tokiwa Kogyo Co Ltd | Fall protection method of elevator shaft |
| CN203667744U (en) * | 2013-10-24 | 2014-06-25 | 苏州巨立电梯有限公司 | Elevator pit overhaul protection device and elevator |
| CN103523627A (en) * | 2013-10-24 | 2014-01-22 | 苏州巨立电梯有限公司 | Elevator pit overhauling protection device and elevator |
| CN205772585U (en) * | 2016-05-19 | 2016-12-07 | 江苏立达电梯有限公司 | Elevator pit maintenance personal safety protector |
| CN213651533U (en) * | 2020-11-25 | 2021-07-09 | 重庆迈高电梯有限公司 | Elevator maintenance protection structure for non-pit or shallow pit |
-
2021
- 2021-10-12 CN CN202111187972.2A patent/CN113830636B/en active Active
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| Publication number | Publication date |
|---|---|
| CN113830636A (en) | 2021-12-24 |
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