CN211664520U - Driving device of elevator - Google Patents
Driving device of elevator Download PDFInfo
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- CN211664520U CN211664520U CN201922006164.6U CN201922006164U CN211664520U CN 211664520 U CN211664520 U CN 211664520U CN 201922006164 U CN201922006164 U CN 201922006164U CN 211664520 U CN211664520 U CN 211664520U
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Abstract
The utility model relates to a driving device of an elevator, which comprises a rack arranged on a shaft upright post, a gear meshed with the rack and a motor driving the gear to rotate, wherein the gear is connected with an elevator car; a plurality of first tooth structures are arranged on the rack, and the first tooth structures are obliquely arranged on the rack; the gear is provided with a plurality of second tooth structures, the second tooth structures are arranged on the gear in an inclined mode, and the shape, the size and the inclination angle of the second tooth structures are matched with those of the first tooth structures. The utility model provides a drive arrangement of elevator through the first tooth structure that sets up the slope on the rack, sets up the second tooth structure who matches each other with first tooth structure on the gear, when realizing driving the steady up-and-down motion of elevator car, eliminates the noise of this kind of drive mode for the elevator noise satisfies the market demand in standard range.
Description
Technical Field
The utility model relates to an elevator equipment technical field specifically, relates to a drive arrangement of elevator.
Background
At present, the market is more and more demanding on elevators, and various types of elevators are produced, such as elevators driven by steel wire ropes and traction machines, and a driving mode of adopting gear racks is also proposed to realize the up-and-down motion of elevator cars, and the elevators with different driving modes also have different advantages and disadvantages, such as elevators driven by gear racks, and the elevator is convenient to install, saves space, and has the advantages and disadvantages that the gear and the rack are meshed with each other, however, the gear and the rack cannot be completely attached, so that when a gear moves along the rack, and a gear structure is transited to a next gear structure, larger noise can be generated, the elevator with the driving mode cannot meet the standard requirements in the aspect of noise, and therefore, the application of the transmission mode of the gear and the rack in the elevator industry is limited.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a drive arrangement of elevator, eliminated the noise, can drive the steady lift of elevator car.
In order to solve the technical problem, the utility model provides a driving device of an elevator, which comprises a rack arranged on a shaft upright post, a gear meshed with the rack and a motor driving the gear to rotate, wherein the gear is connected with an elevator car;
a plurality of first tooth structures are arranged on the rack, and the first tooth structures are obliquely arranged on the rack;
the gear is provided with a plurality of second tooth structures, the second tooth structures are arranged on the gear in an inclined mode, and the shape, the size and the inclination angle of the second tooth structures are matched with those of the first tooth structures.
Preferably, an acute angle between the first tooth structure and a straight line where the rack is located is 10-80 degrees;
an acute angle between the second tooth structure and the axis of the gear is 10-80 degrees.
Preferably, be equipped with the rack mounting groove on the well stand, the rack mounting groove is followed the length direction of well stand distributes, just the cross section of the cell wall of rack mounting groove is L type structure.
Preferably, the rack is installed on the rack installation groove, one side of the rack is fixed on one side wall of the rack installation groove and protrudes out of the rack installation groove, and a gap is formed between the other side of the rack and the groove wall of the rack installation groove.
Preferably, a motor shaft is arranged on the motor, and the gear is arranged on the motor shaft.
Preferably, still include spacing sliding sleeve, spacing sliding sleeve include the body, set up in through-hole on the body and run through the spout of body, the body cover is located on the motor shaft.
Preferably, the motor shaft penetrates through the through hole, and a bearing is arranged between the inner wall of the through hole and the motor shaft.
Preferably, the through hole is communicated with the sliding groove, and the gear is located inside the through hole and is meshed with the rack inside the through hole.
Preferably, the sliding groove is sleeved on the outer wall of the rack, and a roller is further arranged between the inner wall of the sliding groove and the rack.
Preferably, one side wall of the sliding groove is positioned in the gap, and the other side wall hooks the part of the rack protruding out of the rack mounting groove.
Implement the utility model discloses, following beneficial effect has:
1. the utility model provides a drive arrangement of elevator through the first tooth structure that sets up the slope on the rack, sets up the second tooth structure who matches each other with first tooth structure on the gear, when realizing driving the steady up-and-down motion of elevator car, eliminates the noise of this kind of drive mode for the elevator noise satisfies the market demand in standard range.
2. The utility model provides a drive arrangement of elevator, in order to prevent the gear is followed break away from on the rack, lead to elevator car tenesmus, guarantees the gear with the rack can intermeshing, still is provided with spacing sliding sleeve, through the setting of spacing sliding sleeve, is limited to the gear near the rack guarantees wheel and rack mesh constantly, guarantees the security performance of elevator.
Drawings
Fig. 1 is a schematic structural view of a drive device of an elevator according to the present invention;
fig. 2 is a schematic view showing a connection structure of a gear and a rack of the driving device of an elevator according to the present invention;
fig. 3 is a schematic view of a partial cross-sectional structure of a drive device of an elevator according to the present invention;
fig. 4 is a schematic structural view of a hoistway pillar of a driving apparatus for an elevator according to the present invention;
fig. 5 is a schematic structural view of a limit sliding sleeve of the driving device of the elevator of the present invention;
fig. 6 is a schematic structural view of a guide of a drive device of an elevator according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
As shown in fig. 1 to 3, the utility model discloses a driving device of elevator, including install rack 2 on well stand 1, with rack 2 intermeshing's gear 3 and drive 3 pivoted motor 4 of gear, wherein, gear 3 is connected with elevator car, drives elevator car up-and-down motion.
A plurality of first tooth structures 21 are arranged on the rack 2, and the first tooth structures 21 are obliquely arranged on the rack 2;
a plurality of second tooth structures 31 are arranged on the gear 3, the second tooth structures 31 are arranged on the gear 3 in an inclined mode, and the shape, the size and the inclination angle of the second tooth structures are matched with those of the first tooth structures 21.
Correspondingly, in order to realize the connection between the gear and the elevator car and ensure that the elevator car can stably lift, the elevator car;
as shown in fig. 4, well stand 1 constitutes the major structure of elevator well, and the elevator car of being convenient for moves about its inside, and it is made by aluminium alloy ex-trusions, is equipped with rack mounting groove 11 and guide way 12 on it, rack mounting groove 11 is followed the length direction of well stand 1 distributes, just the L type structure is personally submitted in the transversal of the cell wall of rack mounting groove 11, and the gear of being convenient for and elevator car are followed well stand 1 and 2 up-and-down motion of rack. The guide way 12 is followed the length direction of well stand 1 distributes, still is equipped with direction arch 13 on its both sides wall, two the direction arch 13 sets up relatively, distributes on the length direction of whole guide way 12, is convenient for realize the guide effect.
Better, adjacent guide way 12 on the well stand 1 sets up dorsad, be convenient for with hold back each other between the well stand 1, guarantee elevator well and elevator car's installation fastness.
The rack 2 is installed on the rack installation groove 11, one side of the rack 2 is fixed on one side wall of the rack installation groove 11 and protrudes out of the rack installation groove 11, and a certain gap is formed between the other side of the rack 2 and the wall of the rack installation groove 11, so that fastening of components such as gears and the like is facilitated.
The rack 2 is provided with a plurality of first tooth structures 21, the first tooth structures 21 are uniformly distributed on the rack 2 and are obliquely arranged, namely, included angles between the first tooth structures 21 and straight lines where the rack 2 is located are non-right angles, in the embodiment, acute angles between the first tooth structures 21 and the straight lines where the rack 2 is located are 10-80 degrees, specifically 20 degrees, 30 degrees, 40 degrees, 50 degrees, 60 degrees or 70 degrees.
It should be noted that, here, the first tooth structure 21 and the second tooth structure 31 are both arranged obliquely, during the rotation of the gear 3, the former second tooth structure 31 is not yet completely separated from the corresponding first tooth structure 21, and the latter second tooth structure 31 and the corresponding first tooth structure 21 are already in contact with each other, so that the gear 3 and the rack 2 are in a contact state all the time, the noise is eliminated, and the operation noise of the elevator is within a standard range.
The motor 4 is used for driving the gear 3 to rotate, a motor shaft 41 is arranged on the motor 4, the gear 3 is arranged on the motor shaft 41, when the motor works, the motor shaft 41 is driven to rotate, and the gear 3 arranged on the motor shaft 41 rotates along with the motor shaft 41.
As shown in fig. 5, in order to ensure that the gear 3 and the rack 2 can be engaged with each other, and prevent the gear 3 from being disengaged from the rack 2, which results in the elevator car dropping, the elevator car further includes a limiting sliding sleeve 7, the limiting sliding sleeve 7 includes a body 71, a through hole 72 disposed on the body 71, and a sliding groove 73 penetrating through the body 71, the body 71 is sleeved on the motor shaft 41, the motor shaft 41 penetrates through the through hole 72, and a bearing is disposed between an inner wall of the through hole 72 and the motor shaft 41, so as to ensure that the motor shaft 41 can rotate inside the body 71. The through hole 41 is communicated with the sliding groove 73 inside the body 71, and the gear 3 is positioned inside the through hole 72 and is meshed with the rack 2 inside the through hole 72.
The sliding groove 73 is sleeved on the outer wall of the rack 2 and used for fastening the gear 3, the motor shaft 41 penetrates through the through hole 72, so that the position of the gear 3 on the motor shaft 41 is fixed, and the body is fixed on the rack 2 through the sliding groove 73, so that the relative positions of the gear 3 and the rack 2 are limited, the gear 3 and the rack 2 are guaranteed to be kept in a meshed state all the time, and the safety of the elevator is guaranteed.
Specifically, one side wall of the sliding groove 73 is located in a gap between the rack 2 and the rack mounting groove 11, the thickness of the side wall of the sliding groove 73 is smaller than the width of the gap, and the other side wall of the sliding groove 73 hooks the part, protruding out of the rack mounting groove 11, of the rack 2, so that the sliding groove 73 and the rack 2 are fastened, the gear 3 is limited on the rack 2 and can move up and down along the rack 2, and the running safety of the elevator is guaranteed.
In order to prevent the side wall of the rack 2 and the inner wall of the sliding groove 73 from rubbing against each other and increase the driving force and noise, a roller 74 is further arranged between the inner wall of the sliding groove 73 and the rack 2 to prevent the inner wall of the sliding groove 73 and the side wall of the rack 2 from rubbing against each other and reduce the driving force and noise.
The mounting beam 5 is connected with the motor shaft 41, when the motor shaft 41 moves up and down under the action of the gear 3, the mounting beam 5 moves along with the motor shaft 41 and is connected with the elevator car, so that the gear 3 moves up and down along the rack 2 when rotating, and the elevator car moves up and down along with the gear 3 under the action of the mounting beam 5.
The body 71 is fixed on the mounting beam 5, and the motor shaft 41 penetrates through the mounting beam 5 and extends into the through hole 72 to drive the gear 3.
The guide member 6 is used for guiding the movement of the elevator car, preventing position deviation and influencing the normal operation of the elevator car, and is connected with the mounting cross beam 5, so that when the mounting cross beam 5 moves up and down, the guide member 6 moves along with the mounting cross beam 5.
As shown in fig. 6, the guide member 6 includes a guide plate 61 disposed parallel to the hoistway pillar 1 and a guide wheel 62 mounted on the guide plate 61, the guide plate 61 is fixed to both ends of the mounting beam 5 by a connection structure such as a screw, the guide wheel 62 is located inside the guide groove 12, and the guide wheel 62 rolls along the guide protrusion 13 on one side of the guide groove 12 to realize a guiding function thereof.
In order to reduce the friction force, the outer diameter of the guide wheel 62 is smaller than the distance between the oppositely arranged guide protrusions 13 in the guide groove 12, and the number of the guide wheels is at least two, wherein at least one guide wheel 62 is contacted with one guide protrusion 13 in the guide groove 12, and at least one guide wheel 62 is contacted with the other guide protrusion 13, so that the guide function of the guide member 6 is realized, and the friction force is reduced, thereby reducing the energy consumption.
In order to realize the limiting between the guide protrusion 13 and the guide wheel 62, a limiting groove 63 is further arranged on the periphery of the guide wheel 62, and the guide protrusion 13 is embedded into the limiting groove 63 to ensure that the guide wheel 62 can roll along the guide protrusion 13.
The utility model provides a drive arrangement of elevator through the first tooth structure 21 that sets up the slope on rack 2, sets up the second tooth structure 31 that matches each other with first tooth structure 21 on gear 3, when realizing driving the steady up-and-down motion of elevator car, eliminates the noise of this kind of drive mode for the elevator noise satisfies the market demand in standard range.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. A driving device of an elevator is characterized by comprising a rack arranged on a shaft upright post, a gear meshed with the rack and a motor driving the gear to rotate, wherein the gear is connected with an elevator car;
a plurality of first tooth structures are arranged on the rack, and the first tooth structures are obliquely arranged on the rack;
the gear is provided with a plurality of second tooth structures, the second tooth structures are arranged on the gear in an inclined mode, and the shape, the size and the inclination angle of the second tooth structures are matched with those of the first tooth structures.
2. The drive apparatus of an elevator according to claim 1, wherein an acute angle between the first tooth structure and a straight line on which the rack gear is located is 10-80 °;
an acute angle between the second tooth structure and the axis of the gear is 10-80 degrees.
3. The driving apparatus of an elevator according to claim 1, wherein a rack mounting groove is formed in the shaft column, the rack mounting groove is distributed along a length direction of the shaft column, and a cross section of a groove wall of the rack mounting groove has an L-shaped structure.
4. The driving apparatus of an elevator according to claim 3, wherein the rack bar is installed in the rack installation groove with one side fixed to one side wall of the rack installation groove and protruded outside the rack installation groove and with a gap between the other side and the wall of the rack installation groove.
5. The drive apparatus of an elevator according to claim 4, wherein a motor shaft is provided on said motor, and said gear is provided on said motor shaft.
6. The driving device of an elevator as claimed in claim 5, further comprising a limiting sliding sleeve, wherein the limiting sliding sleeve comprises a body, a through hole disposed on the body, and a sliding groove penetrating through the body, and the body is sleeved on the motor shaft.
7. The elevator driving apparatus according to claim 6, wherein the motor shaft penetrates the through hole, and a bearing is provided between an inner wall of the through hole and the motor shaft.
8. The drive apparatus of an elevator according to claim 6, wherein said through hole communicates with said slide groove, and said gear is located inside said through hole and is engaged with said rack inside said through hole.
9. The driving apparatus of an elevator according to claim 6, wherein the sliding groove is disposed on an outer wall of the rack, and a roller is further disposed between an inner wall of the sliding groove and the rack.
10. The driving apparatus of an elevator according to claim 6, wherein one side wall of the sliding groove is positioned in the gap, and the other side wall hooks a portion of the rack protruding from the rack mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006164.6U CN211664520U (en) | 2019-11-19 | 2019-11-19 | Driving device of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006164.6U CN211664520U (en) | 2019-11-19 | 2019-11-19 | Driving device of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211664520U true CN211664520U (en) | 2020-10-13 |
Family
ID=72732452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922006164.6U Active CN211664520U (en) | 2019-11-19 | 2019-11-19 | Driving device of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211664520U (en) |
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2019
- 2019-11-19 CN CN201922006164.6U patent/CN211664520U/en active Active
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