CN211056481U - Residential indoor elevator - Google Patents
Residential indoor elevator Download PDFInfo
- Publication number
- CN211056481U CN211056481U CN201921186119.7U CN201921186119U CN211056481U CN 211056481 U CN211056481 U CN 211056481U CN 201921186119 U CN201921186119 U CN 201921186119U CN 211056481 U CN211056481 U CN 211056481U
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- winding
- pulley
- winding drum
- elevator
- elevator car
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Abstract
The utility model provides a house elevator in room, belongs to the home use elevator field, includes: elevator car, guide rail and power unit, power unit includes: rotating the output shaft; the winding drum is connected with a rotating output shaft of the power mechanism and comprises a first winding part and a second winding part, and the first winding part and the second winding part are respectively suitable for winding and drawing the lifting ropes on two sides of the elevator car. And the two pulley assemblies are fixedly arranged on two sides of the elevator car respectively, and the hoisting ropes on the two sides are connected to the hoisting rope fixing parts by bypassing the pulley assemblies respectively. The first winding part and the second winding part of the winding drum are respectively positioned at two sides of the connecting line of the two pulley assemblies, and the axis of the winding drum is offset relative to the direction vertical to the connecting line of the two pulley assemblies. Through with the biasing setting of winding reel, reduced the turned angle of loose pulley assembly when receiving and releasing the lifting rope along with the winding reel, guaranteed that the groove angle of lifting rope on loose pulley assembly accords with the standard, avoid the lifting rope to deviate from in the loose pulley assembly.
Description
Technical Field
The utility model relates to a home use elevator technical field especially relates to an indoor elevator of house.
Background
The household elevator is used as a household small elevator and is particularly widely applied to villas with 2-3 floors. In consideration of the reason that the occupied space of the household elevator cannot be too large, the household elevator is generally provided with a hoistway-free vertical guide rail between floors, a driving device of the elevator moves along with an elevator car to adapt to the use of the small household elevator, and specifically, a motor is utilized to drive a winding drum to wind and unwind two steel wire ropes wound on two pulleys to realize the lifting of the household elevator. Among the present home use elevator, the reel on its motor generally sets up with the line between two pulleys is perpendicular, so wire rope winding on the reel and the income groove angle between the pulley groove can constantly increase when receiving and releasing the line, and then probably lead to wire rope to deviate from the pulley groove, cause the incident.
The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a house elevator, through setting up the winding reel biasing, can reduce the turned angle of loose pulley assembly when receiving and releasing the lifting rope along with the winding reel, guarantee that the entering groove angle of lifting rope on loose pulley assembly accords with national standard, avoid the lifting rope to deviate from loose pulley assembly, cause the incident, solved the problem among the prior art.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
a residential indoor elevator comprising: elevator car, guide rail and power unit, power unit fixes and sets up on elevator car, and power unit includes:
rotating the output shaft;
the winding drum is connected with a rotating output shaft of the power mechanism and comprises a first winding part and a second winding part, and the first winding part and the second winding part are respectively suitable for winding and are used for drawing lifting ropes on two sides of the elevator car.
The two pulley assemblies are fixedly arranged on two sides of the elevator car respectively, and the lifting ropes on two sides are connected to the lifting rope fixing parts by bypassing the pulley assemblies respectively.
The first winding part and the second winding part of the winding drum are respectively positioned at two sides of a connecting line of the two pulley assemblies, and the axis of the winding drum is offset relative to a direction perpendicular to the connecting line of the two pulley assemblies.
Preferably, the included angle between the axis of the winding drum and the direction perpendicular to the line connecting the two pulley assemblies is 5-10 degrees. Preferably, two pulley assemblies are respectively hinged with the elevator car, so that the pulley assemblies can rotate along with the retraction of the lifting rope, and the groove-entering angle of the lifting rope in the pulley assemblies is further adjusted.
Preferably, the hoisting rope extends vertically to the hoisting rope fixing part around the pulley assembly, and the rotation axis of the pulley assembly and the elevator car is overlapped with the extension line of the hoisting rope in the vertical direction.
Preferably, the distance between the first winding and the pulley assembly is not equal to the distance between the second winding and the pulley assembly.
Preferably, the wire rope on the winding portion away from the rotary output shaft extends from the upper portion of the winding drum to the pulley assembly located at a distance from the winding drum, and the wire rope on the winding portion close to the rotary output shaft extends from the lower portion of the winding drum to the pulley assembly located at a distance from the winding drum.
In one embodiment, the wire rope on the winding portion near the rotating output shaft extends from the upper portion of the winding drum to a sheave assembly located at a distance from the winding drum, and the wire rope on the winding portion remote from the rotating output shaft extends from the lower portion of the winding drum to a sheave assembly located at a distance from the winding drum.
Preferably, a connecting plate is further arranged between the two pulley assemblies and the elevator car, the center of the connecting plate is hinged to the elevator car, and the two pulley assemblies are symmetrically arranged on two sides of the center of the connecting plate.
Preferably, the hoisting rope is a wire rope.
The utility model can reduce the rotation angle of the pulley assembly when winding and unwinding the lifting rope along with the winding drum by arranging the winding drum in an offset way, ensure that the groove-entering angle of the lifting rope on the pulley assembly meets the national standard, and avoid the lifting rope from falling off from the pulley assembly to cause safety accidents; in addition, still through articulating pulley assembly on elevator car and can making the winding drum when receiving and releasing the line, pulley assembly rotates under the effect of lifting rope, guarantees the income groove angle of lifting rope on pulley assembly all the time.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a plan view taken from a viewing angle indicated by an arrow in fig. 1 and taken from the viewing angle.
In the figure, 1, an elevator car, 2, a guide rail, 3, a power mechanism, 301, a motor, 302, a reduction box, 303, a winding drum, 303a, a first winding part, 303b, a second winding part, 304, a first pulley, 305, a second pulley, 306, a connecting plate, 307, a steel wire rope, 308, a rotary output shaft, 309, a first spiral winding groove, 310, a second spiral winding groove, 311 and an offset angle.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1-2, a residential interior elevator includes: elevator car 1, guide rail 2 and power unit 3, above-mentioned guide rail 2 sets up two, sets up respectively in elevator car 1's both sides, and power unit 3 is fixed to be set up in elevator car 1 top, can go up and down along with elevator car 1 goes up and down, and power unit 3 drives elevator car 1 and goes up and down along guide rail 2, and above-mentioned power unit 3 includes:
the rotating output shaft 308 is a direct output shaft of the motor 301, the reduction gearbox 302 can also be driven by the motor 301, and the rotating output shaft 308 extending out of the reduction gearbox 302 is provided, in this embodiment, the rotating output shaft 308 is an output shaft which is formed by driving the reduction gearbox 302 by the motor 301 and extending out of the reduction gearbox 302, the reduction gearbox 302 can further slow down the rotating speed of the motor 301 and can also slow down the starting speed of the motor 301, so that the rapid rise and the rapid fall of the elevator car 1 can be buffered, the elevator car 1 is stably started, and the landing is stable.
The winding drum 303, the winding drum 303 is connected to the rotating output shaft 308 of the reduction gearbox 302, the motor 301 rotates to drive the winding drum 303 to rotate, the winding drum 303 includes a first winding portion 303a and a second winding portion 303b, the first winding portion 303a and the second winding portion 303b are arranged side by side, in this embodiment, the winding portion far away from the rotating output shaft 308 is defined as the second winding portion 303b, the winding portion near the rotating output shaft 308 is defined as the first winding portion 303a, the first winding portion 303a and the second winding portion 303b are respectively suitable for winding the hoisting rope, the hoisting rope may be a steel wire rope 307 or other hoisting ropes with higher hardness, because the steel wire rope 307 has higher hardness than other forms of hoisting ropes, and is not easy to deform, and during the process of traction, the position moving distance is small, and the operation stability can be relatively maintained. The first winding part 303a is specifically represented by a first spiral winding groove 309 formed in the winding drum 303, the width and depth of the first spiral winding groove 309 can only accommodate one steel wire rope 307, and one steel wire rope 307 is wound in the first spiral winding groove 309; the second winding part 303b is specifically represented by a second spiral winding groove 310 formed in the winding drum 303, the width and depth of the second spiral winding groove 310 can only accommodate one steel wire rope 307, the other steel wire rope 307 is wound in the second spiral winding groove 310, the winding directions of the steel wire ropes 307 on the first winding part 303a and the second winding part 303b are opposite, and the opposite winding can ensure that the steel wire ropes 307 on the first winding part 303a and the second winding part 303b can realize synchronous winding or unwinding, so that the synchronous lifting of two sides of the elevator car 1 is realized; the first spiral winding groove 309 and the second spiral winding groove 310 are arranged on the winding drum 303 side by side and are respectively located at two sides of a connecting line of the two pulley assemblies, and no cross is generated. This winding drum 303 so sets up can guarantee that wire rope 307 wire winding is regular, and wire rope 307 twines in first wire winding groove 309 and second wire winding groove 310 and can guarantee that wire rope 307 is steady when receiving and releasing, also guarantees simultaneously that elevator car 1 is steady when going up and down, can not be because of wire rope 307 is when receiving and releasing because ordinary coiling, because twine inhomogeneous lead to wire rope 307 to produce the card and move.
Still include two loose pulley assembly, each loose pulley assembly includes a pulley or a plurality of pulley, and in this embodiment, every loose pulley assembly sets up a pulley, and two pulleys are fixed respectively and set up in elevator car 1's both sides, and the wire rope 307 of both sides is walked around the pulley respectively and is connected to hoisting rope fixed part 311, sets up a pulley and can reduce the loaded down with trivial details degree of installation under the prerequisite that satisfies the needs, also reduces the cost of processing and production pulley simultaneously.
In other embodiments, if the pulley assembly is a plurality of pulleys, the wire ropes 307 on both sides are respectively connected to the hoisting rope fixing portion 311 by passing around the plurality of pulleys.
The hoisting rope fixing portion 311 described above is provided at the top end of the guide rail 2 in this embodiment, where the wire rope 307 is fixedly connected; alternatively, the hoisting rope fixing portion 311 may be provided on the ceiling of the uppermost floor, and the wire rope 307 may be fixedly connected thereto.
The axis of the winding drum 303 is offset from the direction perpendicular to the connecting line of the two pulleys, in this embodiment, the offset included angle 310 is set to 7 °, it can be ensured that the angle of the groove between the wire rope 307 and the pulley is equal to +2 ° or-2 ° under the offset included angle 310, in other embodiments, the offset included angle 310 may also be set to 5 ° or 10 °, and when the offset included angle 310 is 10 °, the angle of the groove between the wire rope 307 and the pulley is equal to +4 ° or-4 °. The rotation angle of the pulley when the steel wire rope 307 is wound and unwound along with the winding drum 303 can be reduced through the offset arrangement, the angle of the steel wire rope 307 entering the groove on the pulley is ensured to meet the national standard, the phenomenon that the cutting-in angle of the steel wire rope 307 on the pulley is too large due to the fact that the rotation angle of the pulley is too large is avoided, the risk that the steel wire rope 307 is separated from the pulley is increased, and safety accidents are caused.
Further, the distance between the first winding part 303a and the pulley is not equal to the distance between the second winding part 303b and the pulley, so that the motor 301 and the reduction gearbox 302 can be adapted to a small space at the top of the elevator car 1, and the occupied space is reduced. In the present embodiment, a pulley far from the winding drum 303 is defined as a second pulley 305, a pulley near to the winding drum 303 is defined as a first pulley 304, the wire rope 307 of the second winding portion 303b is extended from the upper portion of the winding drum 303 to the second pulley 305, the wire rope 307 of the first winding portion 303a is extended from the lower portion of the winding drum 303 to the first pulley 304, the wire rope 307 of the second winding portion 303b is extended from the upper portion of the winding drum 303 to the second pulley 305 far from the winding drum 303, the winding angle of the wire rope 307 on the second pulley 305 can be increased, and the wire rope 307 of the first winding portion 303a is extended from the lower portion of the winding drum 303 to the first pulley 304 near to the winding drum 303, the winding angle of the wire rope 307 on the first pulley 304 can be decreased, so that the winding angles of the two wire ropes 307 on the two pulleys are different, the stress points on the two pulleys are consistent, the stress unbalance of the elevator car 1 is reduced, and the stabilizing effect of the elevator car 1 is improved. In addition, because the two steel wire ropes 307 are wound in opposite directions on the winding drum 303, if the distances between the two ends are set to be equal, the winding angles of the steel wire ropes 307 on the first pulley 304 and the second pulley 305 are different, so that the steel wire ropes 307 have different groove-entering angles between the two pulleys, the stress points of the two pulleys are directly affected to be different, the stress of the elevator car 1 is further affected to be uneven, and the stable effect of the elevator car 1 is affected.
Further, the wire rope 307 wound around the second winding portion 303b extends from the upper portion of the winding drum 303 to the second pulley 305, and the wire rope 307 wound around the first winding portion 303a extends from the lower portion of the winding drum 303 to the first pulley 304.
Alternatively, in other preferred embodiments, the wire rope 307 on the first winding portion 303a is extended upward and wound around the second pulley 305, and the wire rope 307 on the second winding portion 303b is extended downward and wound around the second pulley 305.
Further, the first sheave 304 and the second sheave 305 are respectively hinged to the elevator car 1, and the rotation axis of the hinge coincides with the vertical extension line of the wire rope 307 extending in the vertical direction to the hoisting rope fixing portion 311, so that the first sheave 304 and the second sheave 305 can rotate with the winding and unwinding of the wire rope 307, thereby adjusting the angle of the wire rope 307 entering the groove in the first sheave 304 and the second sheave 305. First, the first pulley 304 and the second pulley 305 are hinged to the elevator car 1, so that when the winding drum 303 winds and unwinds the wire, the first pulley 304 and the second pulley 305 can rotate around the hinged position to further adjust the angle of the wire entering grooves of the steel wire rope 307 on the two pulleys, the phenomenon that the angle of the wire entering grooves of the steel wire rope 307 on the pulleys is too large is avoided, and the risk that the steel wire rope 307 is separated is reduced. Secondly, in this embodiment, the hinged pivot is disposed at one side of each pulley, that is, the perpendicular distance between the straight line in the vertical direction where the hinged pivot is located and the center of the circle of the pulley is equal to the radius of the pulley, so that the steel wire rope 307 can always keep the same position in the guide rail 2, the steel wire rope 307 is prevented from swinging in the guide rail 2, the steel wire rope 307 is prevented from rubbing in the guide rail 2, and the damage of the steel wire rope 307 is accelerated.
Further, a connecting plate 306 is provided between the first pulley 304 and the second pulley 305, and is hinged to the elevator car 1 at a central position of the connecting plate 306, and the first pulley 304 and the second pulley 305 are symmetrically provided at both ends of the connecting plate 306 with respect to the center of the connecting plate 306. Like this, when the atress is inhomogeneous between two pulleys, can act on the connecting plate 306 with the effect, can not act on elevator car 1 with unbalanced effect, guaranteed elevator car 1 both sides atress homogeneity.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (9)
1. A residential indoor elevator, comprising: elevator car, guide rail and power unit, power unit fixed set up in on the elevator car, power unit includes:
rotating the output shaft;
the winding drum is connected with a rotating output shaft of the power mechanism and comprises a first winding part and a second winding part, and the first winding part and the second winding part are respectively suitable for winding lifting ropes for drawing two sides of the elevator car;
the two pulley assemblies are fixedly arranged on two sides of the elevator car respectively, and the lifting ropes on two sides are connected to the lifting rope fixing parts by bypassing the pulley assemblies respectively;
the first winding part and the second winding part of the winding drum are respectively positioned at two sides of a connecting line of the two pulley assemblies, and the axis of the winding drum is offset relative to a direction perpendicular to the connecting line of the two pulley assemblies.
2. A residential indoor elevator as claimed in claim 1, wherein an angle between an axis of said winding drum and a direction perpendicular to a line connecting said two sheave assemblies is 5 ° to 10 °.
3. The residential indoor elevator as claimed in claim 1, wherein two of said sheave assemblies are hinged to the elevator car, respectively, such that the sheave assemblies can rotate with the retraction of the hoisting rope, thereby adjusting the angle of the entry slot of the hoisting rope in the sheave assemblies.
4. A residential indoor elevator as claimed in claim 3, wherein the hoisting rope extends vertically to the hoisting rope fixing part around the sheave assembly, the sheave assembly coinciding with a rotation axis of the elevator car and an extension line of the hoisting rope in a vertical direction.
5. A residential indoor elevator as claimed in claim 1, wherein the distance between the first winding and the sheave assembly and the distance between the second winding and the sheave assembly are not equal.
6. A residential indoor elevator as claimed in claim 5, wherein the wire rope on the winding portion remote from the rotary output shaft extends from the upper portion of the winding drum to the pulley assembly located at a distance from the winding drum, and the wire rope on the winding portion near the rotary output shaft extends from the lower portion of the winding drum to the pulley assembly located at a distance from the winding drum.
7. A residential indoor elevator as claimed in claim 5, wherein the wire rope on the winding portion near the rotary output shaft extends from the upper portion of the winding drum to the pulley assembly located at a distance from the winding drum, and the wire rope on the winding portion remote from the rotary output shaft extends from the lower portion of the winding drum to the pulley assembly located at a distance from the winding drum.
8. A residential indoor elevator according to claim 1, wherein a connecting plate is further provided between the two sheave assemblies and the elevator car, the connecting plate being hinged to the elevator car at a central position thereof, and the two sheave assemblies are symmetrically disposed at both sides of the center of the connecting plate.
9. A residential indoor elevator according to claim 1, characterized in that the hoisting rope is a wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921186119.7U CN211056481U (en) | 2019-07-25 | 2019-07-25 | Residential indoor elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921186119.7U CN211056481U (en) | 2019-07-25 | 2019-07-25 | Residential indoor elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211056481U true CN211056481U (en) | 2020-07-21 |
Family
ID=71589195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921186119.7U Expired - Fee Related CN211056481U (en) | 2019-07-25 | 2019-07-25 | Residential indoor elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211056481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526089A (en) * | 2019-07-25 | 2019-12-03 | 山东奔速电梯股份有限公司 | A kind of Indoor Residential Ecological elevator |
-
2019
- 2019-07-25 CN CN201921186119.7U patent/CN211056481U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526089A (en) * | 2019-07-25 | 2019-12-03 | 山东奔速电梯股份有限公司 | A kind of Indoor Residential Ecological elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |