CN108946387B - Lever type elevator compensation chain balance mechanism - Google Patents
Lever type elevator compensation chain balance mechanism Download PDFInfo
- Publication number
- CN108946387B CN108946387B CN201810986819.8A CN201810986819A CN108946387B CN 108946387 B CN108946387 B CN 108946387B CN 201810986819 A CN201810986819 A CN 201810986819A CN 108946387 B CN108946387 B CN 108946387B
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- China
- Prior art keywords
- frame
- elevator
- compensation chain
- guide wheel
- balancing
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- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/068—Cable weight compensating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a lever type elevator compensation chain balancing mechanism which comprises a balancing frame, a transverse frame, a top rod and a compensation chain, wherein one end of the balancing frame is vertically arranged and fixed on a lower beam of an elevator car, the other end of the balancing frame is horizontally arranged and provided with a first guide wheel, the transverse frame is horizontally arranged, the middle part of the balancing frame is hinged with the vertical part of the balancing beam through a pin shaft, one end of the compensation chain is fixed on the head part of the transverse frame, the other end of the compensation chain is connected to a counterweight frame of the elevator through the first guide wheel, the top rod is vertically fixed on the tail part of the transverse frame, and the top end of the top rod is connected to the bottom of the elevator car. The lever type elevator compensation chain balance mechanism can avoid or reduce vibration caused by additional load of an elevator compensation chain and huge abrasion of elevator guide shoes caused by the vibration. The structure is simple, and the cost is low; and the installation and the operation are simple, the reliability is good, the comfort of elevator operation is improved, and the elevator is easy to popularize in a large range.
Description
Technical Field
The invention belongs to the elevator balancing technology, and particularly relates to a lever type elevator compensation chain balancing mechanism.
Background
The elevator is installed in the well of the high-rise building, if the elevator guide shoes slide up and down (or roll) along the elevator guide rails, and if no elevator compensation chain is provided, the elevator static balance is finished in the elevator pit (note: the elevator car static balance means that the elevator car is suspended by a traction steel wire rope, the four elevator car guide shoes are removed, the elevator car is not inclined from front to back and left to right and is in a natural balance state), and then the elevator runs to each floor, and the stress on the guide shoes is the same, that is, the stress on the guide shoes is minimum (the ideal state stress is zero).
However, in the elevator in actual use, an elevator compensation chain is designed and configured in order to balance the change of the traction steel wire rope caused by the operation of the elevator. As the suspension point of the elevator compensation chain cannot lie on the theoretical neutral plane of the elevator car, i.e. there is a deviation of 300-500 mm. This leaves a risk to compensate for weight changes in the chain, causing additional loading of the elevator car. The elevator car is unbalanced in practice and this imbalance increases as the floors increase. When the elevator rises, the tension of the compensating chain connection point under the elevator car changes, so that the static balance of the elevator car becomes unbalanced dynamic load, and as the elevator moves to the top layer of the hoistway, the unbalanced dynamic load reaches the limit, and the generated additional load also reaches the maximum. The additional load is transmitted to the elevator guide rail through the car frame, so that the elevator guide rail is stressed unevenly, the vibration of the elevator operation is unavoidable, and the comfort level of the elevator operation is affected; meanwhile, the elevator guide shoes are easy to wear and have short service lives due to long-term reciprocating load changes.
Disclosure of Invention
The invention aims to provide a lever type elevator compensation chain balancing mechanism, which solves the problem that an elevator vibrates in operation due to additional load of a compensation chain in the prior art.
To achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a lever elevator compensation chain balance mechanism, its includes balancing stand, crossbearer, ejector pin and compensation chain, wherein, the one end of balancing stand is vertical to be arranged and be fixed in on the elevator car underbeam, and the other end level is arranged and is installed first leading wheel on it, the crossbearer level is arranged and its middle part is articulated through the round pin axle with the vertical part of compensating beam, the one end of compensation chain is fixed in the head of crossbearer, and the other end is connected on the counterweight housing of elevator through first leading wheel, the ejector pin is vertical to be fixed in the afterbody of crossbearer, just the top of ejector pin is connected in the car bottom of elevator.
Particularly, the balance frame comprises two parallel bottom plates which are arranged at intervals, the whole bottom plate is of an L-shaped structure, and the two bottom plates are connected into a whole through a pin shaft.
Particularly, the transverse frame is arranged in the balance frame and comprises two transverse plates which are arranged in parallel at intervals, and the two transverse plates are connected with the balance frame into a whole through a pin shaft.
Particularly, the head of the transverse plate is provided with an upper mounting plate and a lower mounting plate which are perpendicular to the transverse plate, the outer end of the head of the transverse plate is provided with a second guide wheel, a third guide wheel is arranged on the lower mounting plate, one end of the compensation chain is fixed on the upper mounting plate through a shaft pin, and the other end of the compensation chain is connected to a counterweight frame of the elevator through the second guide wheel, the third guide wheel and the first guide wheel in sequence.
In particular, the hinge point of the balancing stand and the cross stand is arranged at one side of the head of the cross stand.
Particularly, the compensation chain is vertically connected to the counterweight frame of the elevator after being guided by the first guide wheel, and the center of the first guide wheel and the center line of the vertical direction of the ejector rod are positioned on the same straight line.
Compared with the prior art, the lever type elevator compensation chain balancing mechanism has the beneficial effects that vibration caused by additional load of an elevator compensation chain and huge abrasion of elevator guide shoes caused by the vibration can be avoided or reduced. The structure is simple, and the cost is low; and the installation and the operation are simple, the reliability is good, the comfort of elevator operation is improved, and the elevator is easy to popularize in a large range.
Drawings
Fig. 1 is a front view of a lever type elevator compensation chain balance mechanism provided by an embodiment of the present invention;
fig. 2 is a side view of a lever type elevator compensation chain balancing mechanism provided by an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Referring to fig. 1 and 2, in this embodiment, a lever type elevator compensation chain balancing mechanism includes a balancing stand 1, a cross stand 2, an ejector rod 3 and a compensation chain 4, the balancing stand 1 includes two parallel bottom plates 10 arranged at intervals, the bottom plates 10 are integrally in an L-shaped structure, one end of the balancing stand 1 vertically arranged is fixed on a lower beam of an elevator car, a first guide wheel 5 is mounted on one end horizontally arranged through a shaft pin, the cross stand 2 is arranged in the balancing stand 1, the lever type elevator compensation chain balancing mechanism includes two parallel cross boards 20 arranged at intervals, the head of the cross board 20 is provided with an upper mounting plate 21 and a lower mounting plate 22 perpendicular to the upper mounting plate, the outer end of the head of the cross board 20 is provided with a second guide wheel 6, a third guide wheel 7 is mounted on the lower mounting plate 22, the two bottom plates 10 and the two cross boards 20 are connected into a whole through shaft pins of the guide wheels, one end of the compensation chain 4 is fixed on the upper mounting plate 21 through the shaft pin, and the other end of the compensation chain is sequentially connected to a counterweight frame of an elevator in a vertical state through the second guide wheel 6, the third guide wheel 7 and the first guide wheel 5.
The vertical part of the balance frame 1 is hinged with the transverse frame 2 through a pin shaft, the hinge point of the vertical part and the transverse frame is deviated to one side of the head of the transverse frame 2, the ejector rod 3 is vertically fixed at the tail of the transverse frame 2, the top end of the ejector rod 3 is fixedly connected to the bottom of a car of an elevator, and the center of the first guide wheel 5 and the center line of the vertical direction of the ejector rod 3 are positioned on the same straight line.
The working principle of the lever type elevator compensation chain balance mechanism is as follows: the elevator car is to be balanced, and the four guide shoes which are reacted to the elevator car are the side surfaces of the guide shoes, and the front stress is uniform or zero. The elevator guide shoes are stressed and balanced, so that the moment caused by the compensation chain 4 to the elevator car is equal in positive and negative directions (namely moment balance). The lever type elevator compensation chain balance mechanism of the design adopts the design that the force arms in the positive and negative directions are equal. As shown in fig. 1, l1=l2; thus, under the same stress condition, l1=f1=f2×l2, the positive moments are equal, so that no additional force is generated on the guide shoe.
The above embodiments merely illustrate the basic principles and features of the present invention, and the present invention is not limited to the above examples, but can be variously changed and modified without departing from the spirit and scope of the present invention, which is within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The lever type elevator compensation chain balancing mechanism is characterized by comprising a balancing frame, a transverse frame, an ejector rod and a compensation chain, wherein one end of the balancing frame is vertically arranged and fixed on a lower beam of an elevator car, the other end of the balancing frame is horizontally arranged and provided with a first guide wheel, the transverse frame is horizontally arranged, the middle part of the balancing frame is hinged with the vertical part of the balancing beam through a pin shaft, one end of the compensation chain is fixed on the head part of the transverse frame, the other end of the compensation chain is connected on a counterweight frame of the elevator through the first guide wheel, the ejector rod is vertically fixed on the tail part of the transverse frame, and the top end of the ejector rod is connected to the bottom of the elevator car;
the transverse frame is arranged in the balance frame and comprises two transverse plates which are arranged in parallel at intervals, and the two transverse plates are connected with the balance frame into a whole through a pin shaft;
the head of the transverse plate is provided with an upper mounting plate and a lower mounting plate which are perpendicular to the transverse plate, the outer end of the head of the transverse plate is provided with a second guide wheel, the lower mounting plate is provided with a third guide wheel, one end of the compensation chain is fixed on the upper mounting plate through a shaft pin, and the other end of the compensation chain is connected to a counterweight frame of the elevator through the second guide wheel, the third guide wheel and the first guide wheel in sequence;
the hinge point of the balance frame and the transverse frame is arranged at one side of the head of the transverse frame.
2. The lever type elevator compensation chain balance mechanism according to claim 1, wherein the balance frame comprises two bottom plates which are arranged in parallel at intervals, the whole bottom plate is of an L-shaped structure, and the two bottom plates are connected into a whole through a pin shaft.
3. The balance mechanism of a lever type elevator compensation chain according to claim 1, wherein the compensation chain is vertically connected to a counterweight frame of an elevator after being guided by a first guide wheel, and the center of the first guide wheel is on the same straight line with the center line of the vertical direction of the ejector rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986819.8A CN108946387B (en) | 2018-08-28 | 2018-08-28 | Lever type elevator compensation chain balance mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986819.8A CN108946387B (en) | 2018-08-28 | 2018-08-28 | Lever type elevator compensation chain balance mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108946387A CN108946387A (en) | 2018-12-07 |
| CN108946387B true CN108946387B (en) | 2023-10-27 |
Family
ID=64473457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986819.8A Active CN108946387B (en) | 2018-08-28 | 2018-08-28 | Lever type elevator compensation chain balance mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108946387B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000034074A (en) * | 1998-07-21 | 2000-02-02 | Toshiba Corp | Balancing chain device for elevator |
| CN205855679U (en) * | 2016-07-08 | 2017-01-04 | 浙江远东快速电梯有限公司 | A kind of Elevator weight sensor compensation device |
| CN107618961A (en) * | 2016-07-13 | 2018-01-23 | 施密特电梯有限公司 | A kind of lift car self-balancing mechanism |
| CN208761935U (en) * | 2018-08-28 | 2019-04-19 | 伊萨电梯有限公司 | A kind of lever elevator compensation chain balance mechanism |
-
2018
- 2018-08-28 CN CN201810986819.8A patent/CN108946387B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000034074A (en) * | 1998-07-21 | 2000-02-02 | Toshiba Corp | Balancing chain device for elevator |
| CN205855679U (en) * | 2016-07-08 | 2017-01-04 | 浙江远东快速电梯有限公司 | A kind of Elevator weight sensor compensation device |
| CN107618961A (en) * | 2016-07-13 | 2018-01-23 | 施密特电梯有限公司 | A kind of lift car self-balancing mechanism |
| CN208761935U (en) * | 2018-08-28 | 2019-04-19 | 伊萨电梯有限公司 | A kind of lever elevator compensation chain balance mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108946387A (en) | 2018-12-07 |
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