CN113023524A - Machine-room-less elevator equipment and system - Google Patents
Machine-room-less elevator equipment and system Download PDFInfo
- Publication number
- CN113023524A CN113023524A CN202110062610.4A CN202110062610A CN113023524A CN 113023524 A CN113023524 A CN 113023524A CN 202110062610 A CN202110062610 A CN 202110062610A CN 113023524 A CN113023524 A CN 113023524A
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- CN
- China
- Prior art keywords
- guide rail
- car
- counterweight
- machine
- elevator
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- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0035—Arrangement of driving gear, e.g. location or support
- B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
- B66B11/005—Arrangement of driving gear, e.g. location or support in the hoistway on the car
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0035—Arrangement of driving gear, e.g. location or support
- B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
- B66B11/0055—Arrangement of driving gear, e.g. location or support in the hoistway on the counterweight
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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
- B66B7/10—Arrangements of ropes or cables for equalising rope or cable tension
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention provides machine-room-free elevator equipment and a system, which belong to the field of elevators, and the machine-room-free elevator equipment comprises first guide rails symmetrically arranged in an elevator shaft, a car longitudinally moving along the first guide rails, a driving mechanism and a rope head seat respectively arranged at the tops of the two first guide rails, a first rope pulley component arranged on the car, a counterweight component arranged on one side of the first guide rails and a second rope pulley component arranged at the top of the counterweight component, wherein the first rope pulley component comprises a mounting seat fixedly arranged on the car and four car rope pulley wheels arranged on the mounting seat in a rectangular array manner, and the two car rope pulley wheels at the end part of the mounting seat are symmetrically arranged relative to the first guide rails. The elevator equipment without the machine room has the advantages of simple and stable structure, convenience in use, capability of providing a reliable, stable and balanced suspension mode, effectively reducing the unbalance loading force of a car system and a counterweight system, and improving the stability of the suspension system.
Description
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to machine room-less elevator equipment and a system.
Background
The drive device of the elevator without machine room adopts the arrangement mode of a traction sheave, and the arrangement mode of a hoistway is generally divided into two modes due to the single traction sheave.
In one mode, as shown in fig. 3, the traction sheave 4 ' is perpendicular to the center line 11 ' of the car guide rail 1 ', the center line 31 ' of the car diversion sheave 3 ' is at an angle to the center line 11 ' of the car guide rail 1 ', and the center line 51 ' of the counterweight diversion sheave 6 ' is at an angle to the center line 51 ' of the counterweight guide rail 5 ', but the design of the car gantry and the counterweight frame of the machine room-less elevator apparatus is complicated, and the car gantry and the counterweight frame cannot be commonly used when the traction machines are arranged on the left side and the right side. Alternatively, as shown in fig. 4, the traction sheave 4 'is radially perpendicular to the center line 11' of the car guide rail 1 ', the center line 31' of the car diverting pulley 3 'is parallel to the center line 11' of the car guide rail 1 ', and the counterweight diverting pulley 6' is at an angle to the center line 51 'of the counterweight guide rail 5'. In the arrangement mode, the suspension center of the car 2 ' and the guide center of the car 2 ' are not on the same line, so that the car 2 ' is subjected to unbalance loading, and abnormal abrasion of the guide shoes is easily caused; and the counterweight housing is complex in design, and the counterweight housing cannot be used universally when the traction machine is arranged on the left side and the right side.
Disclosure of Invention
The embodiment of the invention provides machine room-less elevator equipment and a system, aiming at solving the problems in the background technology.
The embodiment of the invention is realized by the following steps that the machine-room-less elevator equipment comprises first guide rails symmetrically arranged in an elevator shaft, a car longitudinally moving along the first guide rails, a driving mechanism and a rope head seat respectively arranged at the tops of the two first guide rails, a first rope pulley component arranged on the car, a counterweight component arranged on one side of the first guide rails and a second rope pulley component arranged at the top of the counterweight component, wherein the first rope pulley component comprises a mounting seat fixedly arranged on the car and four car rope pulleys arranged on the mounting seat in a rectangular array, and the two car rope pulleys at the end part of the mounting seat are symmetrically arranged relative to the first guide rails;
the driving mechanism comprises a fixed seat arranged at the top of one first guide rail and a traction machine fixedly arranged on the fixed seat, the traction machine is a double-head motor, traction wheels are symmetrically arranged on an output shaft of the traction machine, and the two traction wheels are symmetrically arranged relative to the first guide rail;
the rope head seat is arranged at the top of the other first guide rail;
the counterweight assembly comprises a second guide rail and counterweight blocks, the second guide rail is symmetrically arranged in the elevator shaft, and the counterweight blocks move up and down on the inner side of the second guide rail;
the second diversion sheave assembly is two counterweight diversion sheaves which are rotatably installed above the counterweight block, and the two counterweight diversion sheaves are coaxially arranged;
the elevator equipment without the machine room further comprises four steel wire ropes which are symmetrically arranged with respect to the first guide rail in a pairwise manner, one end of each of the two steel wire ropes at the same side is wound around one traction wheel and then downwards wound around two car diversion sheaves at one side of the first guide rail, the car diversion sheaves are upwards connected with the rope head seats, and the other end of each of the two steel wire ropes is wound around one counterweight diversion sheave and connected with the fixed seats.
Preferably, the first diverting sheave assembly is mounted on the top or bottom of the car.
Preferably, the second guide rail and the driving mechanism are arranged on the same side, and the driving mechanism is fixedly mounted at the top end of the first guide rail, the top end of the second guide rail or the top wall of the elevator shaft.
Preferably, the rope socket comprises a fixing plate mounted on the top of the first guide rail and two locking mechanisms arranged on the fixing plate, and the two locking mechanisms are symmetrically arranged about the first guide rail.
Preferably, the rope socket is fixedly installed at a top end of the first guide rail or a top wall of the elevator shaft.
Preferably, the locking mechanism package vertically run through in spliced pole, the suit of fixed plate are in clamping ring and threaded connection on the spliced pole are used for the restriction on the spliced pole the spacing bolt of clamping ring, the clamping ring is located the top of fixed plate, the cover is equipped with buffer spring on the spliced pole, buffer spring's both ends respectively with the fixed plate with the clamping ring contact.
An elevator system comprises the machine room-less elevator equipment.
The elevator equipment without the machine room has the advantages of simple and stable structure, convenience in use, capability of providing a reliable, stable and balanced suspension mode, effectively reducing the unbalance loading force of a car system and a counterweight system, and improving the stability of the suspension system.
Drawings
Fig. 1 is a schematic view of a machine roomless elevator installation;
fig. 2 is a schematic top view of an elevator installation without machine room;
fig. 3 is a schematic diagram of a first prior art arrangement of an elevator hoistway;
fig. 4 is a schematic structural view of a second conventional arrangement of elevator shafts.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a machine room free elevator device, as shown in fig. 1 and 2, the machine room free elevator device comprises first guide rails 1 symmetrically arranged in an elevator shaft, a car 2 moving longitudinally along the first guide rails 1, a driving mechanism 4 and a rope head seat 5 respectively arranged at the top of the two first guide rails 1, a first diverting pulley component 3 arranged on the car 2, a counterweight component 6 arranged at one side of the first guide rails 1 and a second diverting pulley component 7 arranged at the top of the counterweight component 6, the first diverting pulley assembly 3 comprises a mounting seat 31 fixedly mounted on the top or bottom of the car 2 and four car diverting pulleys 32 mounted in a rectangular array on the mounting seat 31, two car diverting pulleys 32 at the end of the mount 31 are symmetrically disposed about the first guide rail 1.
The driving mechanism 4 comprises a fixed seat 41 mounted on the top of one of the first guide rails 1 and a traction machine 42 fixedly mounted on the fixed seat 41, the traction machine 42 is a double-head motor, traction sheaves 43 are symmetrically arranged on an output shaft of the traction machine 42, and the two traction sheaves 43 are symmetrically arranged about the first guide rail 1.
The rope head seat 5 is arranged on the top of the other first guide rail 1; the rope head base 5 is fixedly installed on the top end of the first guide rail 1 or the top wall of the elevator hoistway.
The counterweight assembly 6 comprises a second guide rail 61 symmetrically arranged in the elevator shaft and a counterweight block 62 moving up and down inside the second guide rail 61; the second guide rail 61 and the driving mechanism 4 are arranged on the same side, and the driving mechanism 4 is fixedly installed at the top end of the first guide rail 1, the top end of the second guide rail 61 or the top wall of the elevator hoistway.
The second diverting pulley assembly 7 is two counterweight diverting pulleys rotatably mounted above the counterweight block 62, and the two counterweight diverting pulleys are coaxially arranged.
The elevator equipment without the machine room further comprises four steel wire ropes 8 which are symmetrically arranged in pairs relative to the first guide rail 1, one ends of the two steel wire ropes 8 at the same side are wound around one traction wheel 43 and then are wound around two car diversion sheaves 32 at one side of the first guide rail 1 downwards to be upwards connected with the rope head seat 5, and the other ends of the two steel wire ropes are wound around one counterweight diversion sheave to be connected with the fixed seat 41.
When the elevator is used, the traction machine 42 drives the two traction wheels 43 to rotate, so that the counterweight block 62 moves downwards, the elevator car 2 is driven to move upwards and lift, the traction wheels 43 rotate reversely, the counterweight block 62 is driven to move upwards, the steel wire rope 8 is released, the elevator car 2 moves downwards, and the lifting process is achieved.
The elevator equipment drives the car 2 to move up and down through the two traction wheels 43, the two groups of car reverse wheels 32 and the steel wire ropes, and the traction wheels 43 and the car reverse wheels 32 are positioned on the same horizontal line, so that a reliable, stable and balanced suspension mode can be provided, the unbalance loading force of a car system and a counterweight system is effectively reduced, and the stability of the suspension system is improved.
In one embodiment, the rope head base 5 comprises a fixing plate 51 mounted on top of the first guide rail 1 and two locking mechanisms disposed on the fixing plate 51, and the two locking mechanisms are symmetrically disposed about the first guide rail 1. Locking mechanism package vertically run through in spliced pole 52, the suit of fixed plate 51 are in clamping ring 54 and threaded connection on the spliced pole 52 be used for restricting the spacing bolt 55 of clamping ring 54 on the spliced pole 52, clamping ring 54 is located the top of fixed plate 51, the cover is equipped with buffer spring 53 on the spliced pole 52, buffer spring 53's both ends respectively with fixed plate 51 with clamping ring 54 contacts.
In this embodiment, the end of the wire rope 8 far away from the counterweight diverting pulley is fixed at the bottom end of the connecting column 52, and when the elevator is used, the impact force caused by lifting or descending can be buffered by the buffer spring 53, so that the stable operation of the car 2 is ensured, and the use safety of the elevator equipment is improved.
In addition, the invention also provides an elevator system, which comprises the machine room-free elevator equipment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A machine room-less elevator device comprises first guide rails (1) symmetrically arranged in an elevator shaft, a lift car (2) longitudinally moving along the first guide rails (1), driving mechanisms (4) and rope end seats (5) respectively arranged at the tops of the two first guide rails (1), a first rope diverting pulley assembly (3) arranged on the lift car (2), a counterweight assembly (6) arranged at one side of the first guide rails (1) and a second rope diverting pulley assembly (7) arranged at the top of the counterweight assembly (6), characterized in that the first diverting pulley component (3) comprises a mounting seat (31) fixedly arranged on the cage (2) and four cage diverting pulleys (32) which are arranged on the mounting seat (31) in a rectangular array, the two car diversion sheaves (32) at the end of the mounting seat (31) are symmetrically arranged relative to the first guide rail (1);
the driving mechanism (4) comprises a fixed seat (41) arranged at the top of one first guide rail (1) and a traction machine (42) fixedly arranged on the fixed seat (41), the traction machine (42) is a double-head motor, traction sheaves (43) are symmetrically arranged on an output shaft of the traction machine (42), and the two traction sheaves (43) are symmetrically arranged relative to the first guide rail (1);
the rope head seat (5) is arranged at the top of the other first guide rail (1);
the counterweight assembly (6) comprises a second guide rail (61) symmetrically arranged in the elevator shaft and a counterweight block (62) moving up and down on the inner side of the second guide rail (61);
the second diversion sheave assembly (7) is two counterweight diversion sheaves which are rotatably mounted above the counterweight block (62), and the two counterweight diversion sheaves are coaxially arranged;
the elevator equipment without the machine room further comprises four steel wire ropes (8) which are symmetrically arranged in pairs on the first guide rail (1), one end of each steel wire rope (8) on the same side is wound around one traction wheel (43) and then downwards wound around two steel wire ropes on one side of the first guide rail (1), the car diversion sheave (32) is upwards connected with the rope head seat (5), and the other end of each steel wire rope is wound around one counterweight diversion sheave and connected with the fixed seat (41).
2. The machine roomless elevator installation according to claim 1, characterized in that the first diverting sheave assembly (3) is mounted on the top or bottom of the car (2).
3. Machine roomless elevator installation according to claim 1, characterized in that the second guide rail (61) is arranged on the same side as the drive means (4), the drive means (4) being fixedly mounted on the top end of the first guide rail (1), on the top end of the second guide rail (61) or on the top wall of the elevator shaft.
4. Machine roomless elevator installation according to claim 1, characterized in that the rope head seat (5) comprises a fixing plate (51) mounted on top of the first guide rail (1) and two locking mechanisms arranged on the fixing plate (51), which locking mechanisms are arranged symmetrically with respect to the first guide rail (1).
5. Machine roomless elevator installation according to claim 4, characterized in that the rope socket (5) is fixedly mounted on the top end of the first guide rail (1) or on the top wall of the elevator hoistway.
6. The machine room-less elevator equipment according to claim 4, wherein the locking mechanism package longitudinally penetrates through a connecting column (52) of the fixing plate (51), a pressing ring (54) sleeved on the connecting column (52), and a limit bolt (55) screwed on the connecting column (52) and used for limiting the pressing ring (54), the pressing ring (54) is located above the fixing plate (51), a buffer spring (53) is sleeved on the connecting column (52), and two ends of the buffer spring (53) are respectively in contact with the fixing plate (51) and the pressing ring (54).
7. Elevator system, characterized in that it comprises a machine roomless elevator installation according to any of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110062610.4A CN113023524A (en) | 2021-01-18 | 2021-01-18 | Machine-room-less elevator equipment and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110062610.4A CN113023524A (en) | 2021-01-18 | 2021-01-18 | Machine-room-less elevator equipment and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113023524A true CN113023524A (en) | 2021-06-25 |
Family
ID=76460050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110062610.4A Pending CN113023524A (en) | 2021-01-18 | 2021-01-18 | Machine-room-less elevator equipment and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113023524A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104930A (en) * | 2021-11-24 | 2022-03-01 | 上海三菱电梯有限公司 | Elevator system |
-
2021
- 2021-01-18 CN CN202110062610.4A patent/CN113023524A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104930A (en) * | 2021-11-24 | 2022-03-01 | 上海三菱电梯有限公司 | Elevator system |
| CN114104930B (en) * | 2021-11-24 | 2023-10-03 | 上海三菱电梯有限公司 | Elevator system |
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