CN109132784B - Mechanical stopping device under elbow presss from both sides formula elevator - Google Patents
Mechanical stopping device under elbow presss from both sides formula elevator Download PDFInfo
- Publication number
- CN109132784B CN109132784B CN201811229232.9A CN201811229232A CN109132784B CN 109132784 B CN109132784 B CN 109132784B CN 201811229232 A CN201811229232 A CN 201811229232A CN 109132784 B CN109132784 B CN 109132784B
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- CN
- China
- Prior art keywords
- connecting rod
- base
- arm
- buffer
- link
- 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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Links
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The application discloses an elbow clamp type lower mechanical stopping device of an elevator, which comprises a base and a buffer device connected to the base in a sliding manner, wherein a connecting rod assembly for changing the height of the relative position of the buffer device is arranged between the base and the buffer device; the connecting rod assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the base, one end of the second connecting rod is hinged with the buffer device, and the other end of the first connecting rod is hinged with the other end of the second connecting rod; the hinge ends of the first connecting rod and the second connecting rod are fixedly provided with arm rods, and the base is provided with a fixing assembly corresponding to the movement limiting position of the buffer device in the vertical direction when the arm rods rotate along with the first connecting rod. The application can realize flexible switching between the mechanical blocking working state and the buffer working state under the elevator, and has simple structure and convenient operation.
Description
Technical Field
The application belongs to the technical field of elevators, and particularly relates to an elbow clamp type lower mechanical stopping device of an elevator.
Background
GB/T21739-2008 "household Elevator manufacturing and installation Specification" specifies that an under-elevator mechanical stop device should be installed when the space under the car bottom is insufficient. In the prior art, the mechanical stopping device under the elevator is mostly arranged in the pit in the form of independent components.
In the CN204057554U, the polyurethane buffer and the lower machine block can be integrated, but the buffer and the support frame must be removed and replaced when the two working states are switched, the operation is complex and the time is long.
Disclosure of Invention
In order to solve the problems, the application aims to provide the elbow clamp type under-elevator mechanical stopping device which can realize flexible switching between an under-elevator mechanical stopping working state and a buffer working state and has the advantages of simple structure and convenience in operation.
In order to achieve the above purpose, the application is realized according to the following technical scheme:
the lower mechanical stopping device of the elbow clamp type elevator comprises a base and a buffer device which is connected to the base in a sliding manner, wherein a connecting rod assembly for changing the height of the relative position of the buffer device is arranged between the base and the buffer device; the connecting rod assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the base, one end of the second connecting rod is hinged with the buffer device, and the other end of the first connecting rod is hinged with the other end of the second connecting rod; the hinge ends of the first connecting rod and the second connecting rod are fixedly provided with arm rods, and the base is provided with a fixing assembly corresponding to the movement limiting position of the buffer device in the vertical direction when the arm rods rotate along with the first connecting rod.
Preferably, the arm is disposed perpendicular to the first link.
Preferably, the first link and the arm lever are integrally formed and formed, and are L-shaped.
Preferably, the buffer device comprises a supporting shaft slidably connected with the base, one end of the supporting shaft is hinged with the second connecting rod, and a buffer is arranged at the other end of the supporting shaft.
Preferably, the buffer is a polyurethane buffer.
Preferably, the fixing assembly comprises a first support plate and a second support plate, and the first support plate and the second support plate are respectively arranged corresponding to the positions of the arm rods when the buffer device is at the highest point and the lowest point; the first support plate, the second support plate and the arm rod are respectively provided with a through hole, and bolts are connected in series in the through holes.
Preferably, the fixing component is further provided with an inductor for detecting the position state of the arm lever, and the inductor is electrically connected or in signal connection with a controller of the elevator.
Preferably, the base is a cylinder base, the connecting rod assembly is arranged in the base, and an opening for the arm rod to move is formed in the side face of the base.
Preferably, the opening comprises a first opening and a second opening, the opening height of the first opening is larger than the position height of the arm lever when the first connecting rod and the second connecting rod are at the maximum extension distance, and the opening height of the second opening is smaller than the position height of the arm lever when the first connecting rod and the second connecting rod are at the maximum extension distance.
Preferably, the base is provided with a linear bearing for sliding the buffer device.
Compared with the prior art, the application has the beneficial effects that:
1. in the scheme, a connecting rod assembly is arranged between a base and a buffer device, an arm lever is skillfully arranged on a first connecting rod of the connecting rod assembly, and a fixing assembly is arranged on the base corresponding to the arm lever; through the position switching to the armed lever, the working condition of the lower mechanical stopping device can be conveniently and rapidly changed, and the operation is convenient and fast.
2. The fixing operation of the arm lever and the base is realized by the serial connection of the bolts, when the buffer device is at the highest position, the arm lever is fixed on the base, so that the overhaul operation of the elevator can be performed, and the bolt is arranged between the arm lever and the base, so that the working state of the lower mechanical stopping device is prevented from being changed due to impact vibration, and the device is safer and more stable to use; when the cushioning device is in the lowest position, vice versa.
3. The base is provided with a cylinder, and the connecting rod assembly and the buffer device are arranged in the cylinder, so that the occupied space of the lower mechanical stopping device is greatly saved; and the side of the base is skillfully provided with the opening which is convenient for single-side passage and corresponds to the arm lever, so that the operation of the device is simpler, the manufacturing cost of the device is effectively reduced, and the market competitiveness is improved.
4. The base is also provided with an inductor corresponding to the arm lever, when the inductor detects that the arm lever moves to a designated position, a corresponding signal is sent to the elevator controller, so that the elevator is overhauled or overhauled, and the safety and reliability of the elevator overhauling operation are further ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the mechanical stop device according to the present application in a maintenance state.
Fig. 2 is a schematic structural view of the buffer of the mechanical stopping device in normal operation.
Wherein: 1-base, 11-bottom plate, 12-first opening, 13-second opening, 21-supporting axle, 211-linear bearing, 22-buffer, 31-first connecting rod, 32-second connecting rod, 33-arm, 41-first support plate, 42-second support plate, 43-bolt, 44-inductor.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. The embodiments of the present application and the features in the embodiments may be combined with each other without collision. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, and the described embodiments are merely some, rather than all, embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to fall within the scope of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Example 1
As shown in fig. 1-2, the present embodiment provides an elbow clamp type lower mechanical stopping device of an elevator, which mainly comprises a base 1 for installation and positioning, a buffer device and a connecting rod assembly for changing the height of the relative position of the buffer device.
The base 1 is cylindrical, a bottom plate 11 fixedly connected with the ground is arranged at the bottom end of the base 1, and the center of the base 1 is hollow.
The connecting rod assembly is arranged in the hollow part of the base 1, the connecting rod assembly comprises a first connecting rod 31 and a second connecting rod 32, one end of the first connecting rod 31 is hinged on the base 1, one end of the second connecting rod 32 is hinged with the buffer device, and the other end of the first connecting rod 31 is hinged with the other end of the second connecting rod 32; in particular, the hinged ends of the first link 31 and the second link 32 are fixedly provided with an arm 33.
As a preferable scheme, the arm lever 33 is vertically arranged at one end of the first connecting rod 31 hinged with the second connecting rod 32; so that the first link 31 and the arm 33 form an "L" shaped crank link; in addition, the first link 31 and the arm 33 may be formed by integral molding.
The buffer device is slidably connected to the base 1, and comprises a supporting shaft 21, one end of the supporting shaft 21 is inserted into a hollow part of the base 1 and hinged to the second connecting rod 32, the other end of the supporting shaft 21 is provided with a buffer 22, preferably, a contact part of the base 1 and the supporting shaft 21 is provided with a linear bearing 211 so as to facilitate the directional sliding of the supporting shaft 21, and the buffer 22 adopts a polyurethane buffer.
In this embodiment, a fixing assembly is further disposed on the base 1, and the fixing assembly includes a first support plate 41 and a second support plate 42, where the first support plate 41 and the second support plate 42 are disposed corresponding to the positions of the arm lever 33 when the buffer 22 is at the highest point and the lowest point respectively; the first support plate 41, the second support plate 42 and the arm lever 33 are respectively provided with a through hole, and the through holes are connected in series with a bolt 43.
When the first link 31 and the second link 32 are extended in a straight line, the buffer 22 is at the highest position, and the arm 33 and the first support 41 are parallel to each other and located under the first support 41; when the first link 31 and the second link 32 are contracted in a straight line, the buffer 22 is at the lowest position, and the arm 33 and the second support 42 are parallel to each other and are located right under the second support 42.
As a preferable solution, the first support plate 41 and the second support plate 42 are both provided with a sensor 44 for detecting the position state of the arm lever 33, where the sensor 44 is preferably a travel switch, and the sensor 44 is electrically connected or signally connected to the controller of the elevator.
Further, an opening for the arm 33 to move is formed on the side surface of the base 1; the opening comprises a first opening 12 and a second opening 13, wherein the opening height of the first opening 12 is larger than the horizontal position height of the arm lever 33 when the first connecting rod 31 and the second connecting rod 32 are at the maximum extension distance; the second opening 13 has a height smaller than the height of the horizontal position of the arm 33 when the first link 31 and the second link 32 are at the maximum extension distance, so as to facilitate unidirectional rotation of the arm 33.
The present application is not limited to the preferred embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present application are within the scope of the technical proposal of the present application.
Claims (9)
1. The lower mechanical stopping device of the elbow clamp type elevator is characterized by comprising a base and a buffer device which is connected to the base in a sliding manner, wherein a connecting rod assembly for changing the height of the relative position of the buffer device is arranged between the base and the buffer device;
the connecting rod assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the base, one end of the second connecting rod is hinged with the buffer device, and the other end of the first connecting rod is hinged with the other end of the second connecting rod; an arm rod is fixedly arranged at the hinged end of the first connecting rod and the second connecting rod, and a fixing assembly is arranged on the base corresponding to the movement limit position of the buffer device in the vertical direction when the arm rod rotates along with the first connecting rod;
the fixing assembly comprises a first support plate and a second support plate, and the first support plate and the second support plate are respectively arranged corresponding to the positions of the arm rods when the buffer device is at the highest point and the lowest point; the first support plate, the second support plate and the arm rod are respectively provided with a through hole, and bolts are connected in series in the through holes.
2. The under-elbow clamp elevator mechanical stop device of claim 1, wherein the arm is disposed perpendicular to the first link.
3. The lower mechanical stop device of an elbow clamp elevator according to claim 2, wherein the first link is integrally formed with the arm and is "L" shaped.
4. The lower mechanical stop device of an elbow clamp type elevator according to claim 1, wherein the buffer device comprises a support shaft slidably connected to the base, one end of the support shaft is hinged to the second link, and the other end of the support shaft is provided with a buffer.
5. The under-elbow clamp elevator mechanical stop device of claim 4, wherein the buffer is a polyurethane buffer.
6. The under-elbow clamp elevator mechanical stop device of claim 1, wherein the fixed assembly is further provided with a sensor for detecting the position of the arm, the sensor being electrically or signally connected to a controller of the elevator.
7. The mechanical stopping device under an elbow clamp elevator according to any one of claims 1-4 or 6, wherein the base is a barrel base, the link assembly is disposed inside the base, and an opening for the arm to move is formed in a side surface of the base.
8. The lower mechanical stop device of an elbow clamp elevator according to claim 7, wherein the opening comprises a first opening and a second opening, the first opening has a height greater than a height of a position of the arm when the first link and the second link are at a maximum extension distance, and the second opening has a height less than a height of a position of the arm when the first link and the second link are at a maximum extension distance.
9. The lower mechanical stop device of an elbow clamp elevator according to claim 7, wherein the base is provided with a linear bearing for sliding the buffer device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229232.9A CN109132784B (en) | 2018-10-22 | 2018-10-22 | Mechanical stopping device under elbow presss from both sides formula elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229232.9A CN109132784B (en) | 2018-10-22 | 2018-10-22 | Mechanical stopping device under elbow presss from both sides formula elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109132784A CN109132784A (en) | 2019-01-04 |
| CN109132784B true CN109132784B (en) | 2023-12-08 |
Family
ID=64808970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811229232.9A Active CN109132784B (en) | 2018-10-22 | 2018-10-22 | Mechanical stopping device under elbow presss from both sides formula elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109132784B (en) |
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| CN209009913U (en) * | 2018-10-22 | 2019-06-21 | 广州广日电梯工业有限公司 | A kind of elbow clip lower mechanical preventing device of elevator |
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2018
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| TWI236963B (en) * | 2004-07-27 | 2005-08-01 | Wen-Shiang Jou | A hydraulic toggle clamping device suitable for molds with different thickness |
| JP2006131338A (en) * | 2004-11-05 | 2006-05-25 | Mitsubishi Electric Corp | Buffer device for elevator |
| JP2006298611A (en) * | 2005-04-22 | 2006-11-02 | Mitsubishi Electric Corp | Buffer device for elevator |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109132784A (en) | 2019-01-04 |
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