CN115285814A - Roller-driven elevator steel wire rope suspension interval constant device and working method thereof - Google Patents
Roller-driven elevator steel wire rope suspension interval constant device and working method thereof Download PDFInfo
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- CN115285814A CN115285814A CN202210915385.9A CN202210915385A CN115285814A CN 115285814 A CN115285814 A CN 115285814A CN 202210915385 A CN202210915385 A CN 202210915385A CN 115285814 A CN115285814 A CN 115285814A
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- rope
- wire rope
- steel wire
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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
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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
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
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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
Abstract
The invention relates to a roller-driven elevator steel wire rope suspension interval constant device and a working method thereof, and the device comprises a driving host machine arranged on a machine placing beam, wherein the driving host machine comprises an upper roller, a lower roller, a left steel wire rope and a right steel wire rope, the upper roller and the lower roller are both horizontally arranged, one end of the left steel wire rope is fixed in a rope groove of the upper roller and wound by a plurality of circles, and the other end of the left steel wire rope is wound by a left rope pulley, vertically extends downwards and is connected with an upper beam of a lift car; the one end of right wire rope is fixed in the grooving of lower cylinder and is twined a plurality of circles, and right wire rope's the other end is connected with the car upper beam through vertical downwardly extending behind the winding right rope sheave, and vertical lift just can be followed to the equal vertical setting of left rope sheave and right rope sheave. The invention has reasonable structural design, the upper roller and the lower roller are vertically distributed and are matched with the rope wheel which can vertically lift, and the suspension distance of the left steel wire rope and the right steel wire rope keeps constant in the vertical up-and-down running process of the cage, thereby effectively reducing the lateral force born by the cage guide rail.
Description
The technical field is as follows:
the invention relates to a roller-driven elevator steel wire rope suspension interval constant device and a working method thereof.
The background art comprises the following steps:
the forced drive elevator is an elevator which does not need a building to provide a closed special machine room for installing devices such as an elevator drive main machine, a control cabinet, a speed limiter and the like, namely an elevator which is driven in a non-friction mode by being suspended by a steel wire rope. The forced driving adopts a specially designed and manufactured permanent magnet synchronous host to drive the horizontal rollers at two sides to rotate through a speed reducer; two hanging steel wire ropes are commonly used, one end of each steel wire rope is fixed on the roller, and the other end of each steel wire rope is connected with the car; one roller is provided with a rope groove according to the right rotation, and the other roller is provided with a rope groove according to the left rotation; the low-speed large-torque elevator realizes low-speed large-torque so as to forcibly drive the elevator car under the condition of canceling the counterweight, and is very suitable for small-sized household elevators. The main machine and the speed limiter are basically the same as the stress working condition of the machine room traction type elevator, and the control cabinet is convenient to debug and maintain; more importantly, the special machine room is cancelled, the space occupied by the counterweight is saved, and the construction cost is reduced while the utilization rate of the building area is effectively improved.
However, such a forced cylinder drive has its inherent features, namely: the positions of the steel wire ropes wound out of or into the roller are changed along with the change of the upper position and the lower position of the lift car in the shaft, so that the traction distance between the two steel wire ropes is also changed; and the other end of the steel wire rope is fixed with the connection point of the car, so that the traction steel wire rope is in a 'inclined pulling and inclined hanging' state in most of the time, and the lateral force borne by the car guide rail is increased.
The invention content is as follows:
the invention aims to solve the problems in the prior art, namely, the invention provides a device for keeping constant suspension distance of steel wire ropes of a roller-driven elevator and a working method thereof, which not only have reasonable design, but also reduce the lateral force born by a cage guide rail.
In order to achieve the purpose, the invention adopts the technical scheme that: a roller-driven elevator steel wire rope suspension interval constant device comprises a driving main machine arranged on a machine placing beam, wherein the driving main machine comprises an upper roller, a lower roller, a left steel wire rope and a right steel wire rope, the upper roller and the lower roller are both horizontally arranged, one end of the left steel wire rope is fixed in a rope groove of the upper roller and wound by a plurality of circles, and the other end of the left steel wire rope is vertically extended downwards after being wound by a left rope pulley and is connected with an upper beam of a lift car; the one end of right side wire rope is fixed in the grooving of cylinder down and twines a plurality of circles, and right wire rope's the other end is connected with the car upper beam through vertical downwardly extending behind the winding right rope sheave, the equal vertical setting of left rope sheave and right rope sheave just can follow vertical lift.
Furthermore, a tangent point of a pitch circle of the left steel wire rope and the left rope pulley and a connection point of the left steel wire rope and the upper beam of the lift car are positioned on the same plumb line; and the tangent point of the pitch circle of the right steel wire rope and the right rope wheel and the connecting point of the right steel wire rope and the upper beam of the lift car are positioned on the same plumb line.
Further, the left steel wire rope is wound on the left rope wheel for 1.25 circles; and the right steel wire rope is wound on the right rope pulley for 1.25 circles.
Furthermore, the driving host machine also comprises a power mechanism for driving the upper roller and the lower roller to rotate, the power mechanism comprises a host machine seat, a vertical rotating shaft, a speed reducer and a driving motor, the host machine seat is fixed at the top of the machine placing beam, the speed reducer is installed on the host machine seat, the input end of the speed reducer is connected with the driving motor which is vertically arranged, and the output end of the speed reducer is connected with the lower end of the vertical rotating shaft; the upper roller and the lower roller are arranged on the vertical rotating shaft.
Furthermore, the middle parts of the left rope wheel and the right rope wheel are connected with rope wheel rotating shafts, the rope wheel rotating shafts are rotatably installed on the lifting seat, the rope wheel rotating shafts are rotated with a vertical lead screw nut mechanism through a transmission mechanism, and the vertical lead screw nut mechanism drives the lifting seat to lift vertically.
Furthermore, the vertical screw nut mechanism comprises a ball screw which is vertically fixed, a ball nut which is connected with the ball screw and a vertical slide rail which is parallel to the ball screw, and the ball nut is rotatably arranged in the lifting seat through a bearing; the vertical sliding rail is connected with a sliding block in a sliding manner, and the sliding block is fixedly connected with the lifting seat; the transmission mechanism comprises a first bevel gear and a second bevel gear which are arranged inside the lifting seat and are meshed with each other, the first bevel gear is arranged on the rotating shaft of the rope wheel, and the second bevel gear is fixedly connected with the ball nut.
Further, go up the coaxial setting of cylinder and lower cylinder and be located the rear end of putting the quick-witted roof beam, left rope sheave and right rope sheave are located the axis rear side of going up cylinder and lower cylinder, the axis of right rope sheave is vertical setting, the axis of left rope sheave inclines mutually with the axis of right rope sheave.
Further, go up the coaxial setting of cylinder and lower cylinder and be located the middle part of putting the quick-witted roof beam, left rope sheave and right rope sheave are located the preceding, the back both sides of the axis of last cylinder and lower cylinder respectively, and the axis of left rope sheave is parallel and all controls the slope setting with the axis of right rope sheave.
The other technical scheme adopted by the invention is as follows: a working method of a device for keeping constant suspension distance of steel wire ropes of a roller-driven elevator is disclosed, which comprises the following steps: the driving motor drives the vertical rotating shaft to rotate through the speed reducer, the vertical rotating shaft drives the upper roller and the lower roller to rotate, the upper roller winds or releases the left steel wire rope, the left steel wire rope drives the left rope pulley to rotate by virtue of friction force, the lower roller winds or releases the right steel wire rope, the right steel wire rope drives the right rope pulley to rotate by virtue of friction force, the left rope pulley and the right rope pulley rotate by driving the ball nut to rotate by virtue of the first bevel gear and the second bevel gear, the ball nut drives the lifting seat to slide along the vertical sliding rail, and the left rope pulley and the right rope pulley can be lifted along the vertical direction.
Compared with the prior art, the invention has the following effects: the invention has reasonable structural design, the upper roller and the lower roller are vertically distributed and are matched with the rope wheel which can vertically lift, and the suspension distance between the left steel wire rope and the right steel wire rope keeps constant in the vertical up-and-down running process of the cage, thereby effectively reducing the lateral force born by the cage guide rail.
Description of the drawings:
FIG. 1 is a schematic view of the front view configuration of the present invention;
FIG. 2 is a schematic view of the top configuration of the present invention;
FIG. 3 is a schematic view of the construction of a driving main unit according to the present invention;
FIG. 4 is a schematic view showing the construction of a transmission mechanism according to the present invention;
FIG. 5 is a schematic top view of the first embodiment of the present invention;
fig. 6 is a schematic top view of the second embodiment of the present invention.
In the figure:
1-steel construction well; 2-placing a machine beam; 3-a car; 4-car upper beam; 10-a main machine seat; 11-a drive motor; 12-a reducer; 13-upper roller; 14-a lower roller; 15-a brake; 21-left wire rope; 22-right wire rope; 23-a left sheave; 24-a right sheave; 25-a cord head assembly; 31-a first bevel gear; 32-a second bevel gear; 33-ball screw; 34-a ball nut; 35-a bearing; 36-a lifting seat; 37-vertical slide rail; 38-a slide block; 39-a lower support plate; 40-an upper support plate; 41-sheave shaft; 42-backpack frame type car; 43-a gantry type car; 44-vertical rotation axis.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 to 4, the device for stabilizing the suspension distance of the steel wire ropes of the drum-driven elevator according to the present invention comprises a machine placing beam 2 disposed at the upper end of a steel hoistway 1, and a main driving machine mounted on the machine placing beam 2, wherein the main driving machine comprises an upper drum 13, a lower drum 14, a left steel wire rope 21, a right steel wire rope 22, a left rope sheave 23, and a right rope sheave 24, and the upper drum 13 and the lower drum 14 are both horizontally disposed, that is: the axes of the upper roller 13 and the lower roller 14 are both vertically arranged; one end of the left steel wire rope 21 is fixed in a rope groove of the upper roller 13 and is wound by a plurality of circles, and the other end of the left steel wire rope 21 vertically extends downwards after being wound by a left rope pulley 23 and is connected with the upper beam 4 of the lift car; the one end of right side wire rope 22 is fixed in the grooving of lower cylinder 14 and is twined a plurality of circles, and the other end of right side wire rope 22 is connected with car upper beam 4 through vertical downwardly extending behind a winding right rope sheave 24, and car upper beam 4 is connected with car 3, vertical lift can be followed to the equal vertical setting of left rope sheave 23 and right rope sheave 24, promptly: the axes of the left sheave 23 and the right sheave 24 are both located in a horizontal plane. The rope section of the left steel wire rope 21 extending downwards around the left rope wheel 23 is a suspension section, the rope section of the right steel wire rope 22 extending downwards around the right rope wheel 24 is a suspension section, and the left steel wire rope 21 and the right steel wire rope 22 extend downwards after bypassing the vertically arranged rope wheels, so that the suspension sections are in a vertical state, and the distance between the left steel wire rope 21 and the right steel wire rope 22 is kept constant. When the rope winding and releasing device works, the upper roller 13 winds or releases the left rope pulley 21, the left rope pulley 23 is driven to rotate by the left rope pulley 21 through friction force, the right rope pulley 24 is driven to rotate by the right rope pulley 22 through the lower roller 14, and the right rope pulley 22 is driven to rotate through friction force.
In this embodiment, the tangent point of the pitch circle of the left steel wire rope 21 and the left rope pulley 23 (i.e. the tangent point of the suspension section of the left steel wire rope 21 and the left rope pulley 23) and the connection point of the left steel wire rope 21 and the car upper beam 4 are located on the same plumb line; the tangent point of the pitch circle of the right rope 22 and the right rope pulley 24 (namely, the tangent point of the suspension section of the right rope 22 and the right rope pulley 24) and the connection point of the right rope 22 and the upper beam 4 of the cage are positioned on the same plumb line. Because the pitch circle tangent point of the suspension steel wire rope and the rope pulley and the connecting point of the steel wire rope and the upper beam of the lift car are on the same plumb line, the suspension distance of the two steel wire ropes is constant in the whole vertical up-and-down running process of the lift car, and the inherent constraint that the steel wire ropes are inclined, pulled and inclined for suspension in the existing roller drive elevator is broken.
In this embodiment, the left wire rope 21 is wound around the left sheave 23 by 1.25 turns, that is,: the left steel wire rope winds the left rope wheel for 1.25 circles and then extends downwards to be connected with the upper beam of the lift car. The right rope 22 is wound on the right rope sheave 24 for 1.25 turns, that is: the right steel wire rope winds the right rope wheel for 1.25 circles and then extends downwards to be connected with the upper beam of the lift car.
In this embodiment, the lower ends of the left and right wire ropes 21 and 22 are connected to the car upper beam 4 through the rope head assembly 25.
In this embodiment, the driving main machine further includes a power mechanism for driving the upper roller 13 and the lower roller 14 to rotate, the power mechanism includes a main machine base 10, a vertical rotating shaft 44, a speed reducer 12 and a driving motor 11, the main machine base 10 is fixed on the top of the machine placing beam 2, the speed reducer 12 is installed on the main machine base 10, an input end of the speed reducer 12 is connected with the driving motor 11 which is vertically arranged, and an output end of the speed reducer 12 is connected with a lower end of the vertical rotating shaft; the upper roller 13 and the lower roller 14 are coaxially arranged on the vertical rotating shaft; the brake 15 is mounted on the top of the driving motor 11. When the automatic transmission device works, the driving motor drives the vertical rotating shaft to rotate through the speed reducer, and the vertical rotating shaft drives the upper roller and the lower roller which are horizontally arranged to synchronously rotate. Preferably, the driving motor is a permanent magnet synchronous motor.
In this embodiment, the middle portions of the left rope sheave 23 and the right rope sheave 24 are both connected with a rope sheave rotating shaft 41, the rope sheave rotating shaft 41 is rotatably mounted on the shell-shaped lifting seat 36, the rope sheave rotating shaft 41 is connected with a vertical lead screw nut mechanism through a transmission mechanism, and the vertical lead screw nut mechanism is connected with the lifting seat 36. When the lifting seat works, the rope wheel rotating shaft drives the vertical lead screw nut mechanism to rotate, and the vertical lead screw nut mechanism drives the lifting seat to lift vertically.
In this embodiment, the vertical screw-nut mechanism includes an upper support plate 40, a lower support plate 39, a ball screw 33 vertically fixed between the upper support plate 40 and the lower support plate 39, a ball nut 34 connected to the ball screw 33, and a vertical slide rail 37 parallel to the ball screw 33, wherein the ball nut 34 is rotatably mounted inside the lifting seat 36 through a bearing 35; the vertical slide rail 37 is connected with a slide block 38 in a sliding manner, and the slide block 38 is fixedly connected with the lifting seat 36; the transmission mechanism comprises a first bevel gear 31 and a second bevel gear 32 which are arranged inside the lifting seat 36 and are meshed with each other, the first bevel gear 31 is installed on the rope pulley rotating shaft 41, and the second bevel gear 32 is fixedly connected with the ball nut 34. During operation, wire rope leans on frictional force to drive the rope sheave rotatory, and it is rotatory that the rope sheave drives the rope sheave pivot, and the rope sheave pivot drives ball nut through engaged with first bevel gear and second bevel gear and rotates, and ball nut rotates and reciprocates along ball screw, and ball nut drives the lift seat and slides along vertical slide rail, and the lift seat drives the rope sheave through the rope sheave pivot and goes up and down along vertical together, promptly: in the lifting process of the elevator, the left rope pulley and the right rope pulley lift vertically.
In this embodiment, the vertical slide rail 37 includes a linear guide rail and a support pillar, and forms a slide rail with sufficient bending strength and compression bar stability together with the upper and lower support plates.
In this embodiment, the number of rope grooves of the upper drum 13 and the lower drum 14 is determined according to the total length of the accommodated steel wire rope. The total length of the steel wire rope comprises: (a) Height of lift H S (ii) a (b) Reserved length L S Factors such as maintenance and rope head protection in each year, effective stretching of a steel wire rope and the like are mainly considered, and 1.5-2.0m is usually reserved; (c) 2 friction rings are arranged for reducing the tension at the fixing position of the rope end on the roller.
In this embodiment, the car 3 is installed at the lower end of the car upper beam 4, and the car 3 can be a knapsack frame type car and a portal frame type car. It should be noted that the distribution positions of the left steel wire rope, the right steel wire rope, the left rope pulley and the right rope pulley should rotate around the central line of the upper roller and the lower roller so as to be suitable for a knapsack frame type car and a portal frame type car.
The specific implementation process comprises the following steps: the driving motor 11 drives the vertical rotating shaft to rotate through the speed reducer 12, the vertical rotating shaft drives the vertically distributed upper roller 13 and the lower roller 14 to rotate, the upper roller 13 winds or releases the left rope wheel 21, the left rope wheel 23 is driven to rotate by the left rope wheel 21 through friction force, the lower roller 14 winds or releases the right rope wheel 22, the right rope wheel 22 is driven to rotate by the right rope wheel 22 through friction force, the ball nut 34 is driven to rotate by the first bevel gear 31 and the second bevel gear 32 when the left rope wheel 23 and the right rope wheel 24 rotate, the ball nut 34 drives the lifting seat 36 to slide along the vertical sliding rail 37, and the left rope wheel 23 and the right rope wheel 24 can lift vertically. In the process, because the tangent point of the pitch circle of the steel wire rope and the rope wheel and the connecting point of the steel wire rope and the upper beam of the lift car are positioned on the same plumb line, the suspension distance of the two steel wire ropes is constant in the whole vertical up-and-down running process of the lift car, the condition that the steel wire ropes are obliquely pulled and hung is avoided, and the lateral force born by the guide rail of the lift car is effectively reduced.
The first embodiment is as follows: taking the driving backpack frame type car as an example: the car is put beams 4's lower extreme installation knapsack posture car 42 on, and car guide is located the rear side of knapsack posture car this moment, go up the coaxial setting of cylinder 13 and lower roll 14 and be located the rear end of putting machine beam 2, the axis rear side of last cylinder 13 and lower roll 14 is located to left rope sheave 23 and right rope sheave 24, the axis of right rope sheave 24 is vertical setting, the axis of left rope sheave 23 inclines with the axis of right rope sheave 24 mutually, as shown in fig. 5.
The second embodiment: taking driving a portal frame type cage as an example: portal frame formula car 43 is installed to the lower extreme of car upper beam 4, and the car guide rail is located the left and right sides in the middle part of portal frame formula car this moment, go up cylinder 13 and lower cylinder 14 coaxial setting and be located the middle part of putting machine beam 2, preceding, the back both sides of the axis of last cylinder 13 and lower cylinder 14 are located respectively to left rope sheave 23 and right rope sheave 24, and the axis of left rope sheave 23 parallels and all controls the slope setting with the axis of right rope sheave 24, as shown in FIG. 6.
The invention has the advantages that: (1) The steel wire ropes are connected with the lift car after being wound by 1.25 circles of the rope wheels, and because the connection points and the pitch circle tangent points of the rope wheels are on the same plumb line, the suspension distance of the two steel wire ropes is constant in the whole process of vertical up-and-down running of the lift car, thereby breaking the inherent limitation that the steel wire ropes are obliquely pulled and hung in the existing roller drive elevator; (2) The rope pulley rotates and drives the lifting seat to move up and down together with the rope pulley through bevel gear transmission and ball screw transmission, so that the moving speed of the steel wire rope at the radial tangent point of the roller is consistent with that of the steel wire rope at the pitch circle tangent point of the rope pulley, and the steel wire rope is ensured not to jump and get out of the groove.
If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding) can, of course, also be replaced by one-piece structures (e.g. manufactured in one piece using a casting process) (unless it is obvious that one-piece processes cannot be used).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a drum drive elevator wire rope suspends interval constant device in midair, is including installing the drive host computer on putting the quick-witted roof beam, its characterized in that: the driving main machine comprises an upper roller, a lower roller, a left steel wire rope and a right steel wire rope, wherein the upper roller and the lower roller are both horizontally arranged, one end of the left steel wire rope is fixed in a rope groove of the upper roller and wound by a plurality of circles, and the other end of the left steel wire rope vertically extends downwards after being wound by a left rope pulley and is connected with an upper beam of the lift car; the one end of right side wire rope is fixed in the grooving of cylinder down and twines a plurality of circles, and right wire rope's the other end is connected with the car upper beam through vertical downwardly extending behind the winding right rope sheave, the equal vertical setting of left rope sheave and right rope sheave just can follow vertical lift.
2. The drum driven elevator wire rope suspension spacing stabilizing device according to claim 1, wherein: the tangent point of the left steel wire rope and the pitch circle of the left rope pulley and the connection point of the left steel wire rope and the upper beam of the lift car are positioned on the same plumb line; and the tangent point of the pitch circle of the right steel wire rope and the right rope wheel and the connecting point of the right steel wire rope and the upper beam of the lift car are positioned on the same plumb line.
3. The drum driven elevator wire rope suspension spacing stabilizing device according to claim 1, wherein: the left steel wire rope is wound on the left rope wheel for 1.25 circles; and the right steel wire rope is wound on the right rope pulley for 1.25 circles.
4. The drum driven elevator wire rope suspension spacing stabilizing device according to claim 1, wherein: the driving main machine further comprises a power mechanism for driving the upper roller and the lower roller to rotate, the power mechanism comprises a main machine seat, a vertical rotating shaft, a speed reducer and a driving motor, the main machine seat is fixed at the top of the machine placing beam, the speed reducer is installed on the main machine seat, the input end of the speed reducer is connected with the driving motor which is vertically arranged, and the output end of the speed reducer is connected with the lower end of the vertical rotating shaft; the upper roller and the lower roller are arranged on the vertical rotating shaft.
5. The drum driven elevator wire rope suspension spacing stabilizing device according to claim 1, wherein: the middle parts of the left rope wheel and the right rope wheel are connected with rope wheel rotating shafts, the rope wheel rotating shafts are rotatably installed on the lifting seat, the rope wheel rotating shafts are rotated with a vertical lead screw nut mechanism through a transmission mechanism, and the vertical lead screw nut mechanism drives the lifting seat to lift vertically.
6. The drum driven elevator wire rope suspension spacing stabilizing device according to claim 5, wherein: the vertical screw nut mechanism comprises a ball screw which is vertically fixed, a ball nut which is connected with the ball screw and a vertical slide rail which is parallel to the ball screw, and the ball nut is rotatably arranged inside the lifting seat through a bearing; the vertical sliding rail is connected with a sliding block in a sliding manner, and the sliding block is fixedly connected with the lifting seat; the transmission mechanism comprises a first bevel gear and a second bevel gear which are arranged inside the lifting seat and are meshed with each other, the first bevel gear is arranged on the rotating shaft of the rope wheel, and the second bevel gear is fixedly connected with the ball nut.
7. The drum driven elevator wire rope suspension spacing stabilizing device according to claim 2, wherein: the upper roller and the lower roller are coaxially arranged and are located at the rear end of the machine placing beam, the left rope pulley and the right rope pulley are arranged on the rear sides of the axes of the upper roller and the lower roller, the axis of the right rope pulley is longitudinally arranged, and the axis of the left rope pulley and the axis of the right rope pulley are inclined mutually.
8. The drum driven elevator wire rope suspension spacing maintaining apparatus as set forth in claim 2, wherein: the upper roller and the lower roller are coaxially arranged and are positioned in the middle of the machine placing beam, the left rope pulley and the right rope pulley are respectively arranged on the front side and the rear side of the axis of the upper roller and the rear side of the axis of the lower roller, and the axis of the left rope pulley is parallel to the axis of the right rope pulley and is obliquely arranged left and right.
9. A working method of a roller-driven elevator steel wire rope suspension distance constant device is characterized in that: the device comprises a steel wire rope suspension distance constant device of a roller-driven elevator according to any one of claims 1-6, and is operated as follows: the driving motor drives the vertical rotating shaft to rotate through the speed reducer, the vertical rotating shaft drives the upper roller and the lower roller to rotate, the upper roller winds or releases the left steel wire rope, the left steel wire rope drives the left rope pulley to rotate by virtue of friction force, the lower roller winds or releases the right steel wire rope, the right steel wire rope drives the right rope pulley to rotate by virtue of friction force, the left rope pulley and the right rope pulley rotate by driving the ball nut to rotate by virtue of the first bevel gear and the second bevel gear, the ball nut drives the lifting seat to slide along the vertical sliding rail, and the left rope pulley and the right rope pulley can be lifted along the vertical direction.
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| CN202210915385.9A CN115285814B (en) | 2022-08-01 | 2022-08-01 | Roller-driven elevator steel wire rope suspension interval constant device and working method thereof |
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| CN202210915385.9A CN115285814B (en) | 2022-08-01 | 2022-08-01 | Roller-driven elevator steel wire rope suspension interval constant device and working method thereof |
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| CN204057602U (en) * | 2014-07-06 | 2014-12-31 | 广东亚太西奥电梯有限公司 | A kind of winch of elevator |
| CN106744427A (en) * | 2016-12-15 | 2017-05-31 | 武汉船用机械有限责任公司 | A kind of towing winch system |
| CN110255342A (en) * | 2019-06-28 | 2019-09-20 | 李聪 | Traction self-regulation elevator |
| CN212924049U (en) * | 2020-08-05 | 2021-04-09 | 苏州怡赛德电梯科技股份有限公司 | Motor unit and elevator provided with same |
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