CN211393509U - Elevator and counterweight device thereof - Google Patents
Elevator and counterweight device thereof Download PDFInfo
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- CN211393509U CN211393509U CN201922226099.8U CN201922226099U CN211393509U CN 211393509 U CN211393509 U CN 211393509U CN 201922226099 U CN201922226099 U CN 201922226099U CN 211393509 U CN211393509 U CN 211393509U
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- thrust bearing
- rotating shaft
- counterweight
- elevator
- guide wheel
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Abstract
The utility model discloses an elevator and a counterweight device thereof, wherein the counterweight device comprises a counterweight frame; the guide wheel assembly comprises a rotating shaft, and the rotating shaft is rotatably arranged on the upper beam plate of the counterweight housing in a penetrating way; a first thrust bearing is connected to the rotating shaft; the upper end face of the first thrust bearing is abutted against the lower end face of the upper beam plate. The elevator and the counterweight device thereof of the utility model connect the first thrust bearing on the rotating shaft of the guide wheel component, and make the upper end surface of the first thrust bearing abut against the lower end surface of the upper beam plate of the counterweight housing; the first thrust bearing can bear the gravity applied to the heavy frame and simultaneously drive the rotating shaft to rotate, so that the guide wheel assembly can automatically adjust the angle of the guide wheel along with the cyclic biasing force in the operation process.
Description
Technical Field
The utility model relates to an elevator technical field especially relates to an elevator and counterweight thereof.
Background
In an elevator, a counterweight is an indispensable part, and the counterweight can balance the weight of a car and part of the weight of a load of the elevator and reduce the power loss of a motor.
The existing guide wheels are all fixed in angle after being installed, and even if the arrangement angle of the guide wheels can be adjusted during installation, the guide wheels can only be fixed according to a preset angle during operation; however, in actual operation, the angle of the counterweight guide wheel should be changed cyclically according to the torsion of the steel wire rope. Because it cannot oscillate, the guide wheel has a cyclic torque in the horizontal plane during operation, which causes cyclic biasing forces on the guide rail or guide shoe, traction sheave, which increases the wear of the guide rail or guide shoe, traction sheave and reduces the service life of these components.
Disclosure of Invention
The utility model aims at providing an elevator counterweight, leading wheel among this counterweight can change the leading wheel angle along with cyclic biasing force at the operation in-process to reduce the wearing and tearing of guide rail or guide shoe, traction sheave.
In order to realize the purpose, the technical scheme of the utility model is that:
a counterweight of an elevator, comprising:
a counterweight housing;
the guide wheel assembly comprises a rotating shaft, and the rotating shaft is rotatably arranged on the upper beam plate of the counterweight housing in a penetrating way;
a first thrust bearing is connected to the rotating shaft;
the upper end face of the first thrust bearing is abutted against the lower end face of the upper beam plate.
The counterweight device of the elevator of the utility model connects the first thrust bearing on the rotating shaft of the guide wheel component, and the upper end surface of the first thrust bearing is supported against the lower end surface of the upper beam plate of the counterweight housing; the first thrust bearing can bear the gravity applied to the heavy frame and simultaneously drive the rotating shaft to rotate, so that the guide wheel assembly can change the angle of the guide wheel along with the cyclic biasing force in the operation process.
In one embodiment, a nut for supporting the first thrust bearing is connected to an end of the rotating shaft.
Further, a first spring is connected between the first thrust bearing and the nut.
The utility model discloses a counterweight of elevator, through being connected first spring between first thrust bearing and the terminal nut of axis of rotation, this first spring can play the buffering and put up the effort of applying to the axis of rotation to the tired production of axis of rotation slows down.
Further, a bearing sleeve is sleeved on the first thrust bearing;
and a gap is formed between the upper end surface of the bearing sleeve and the lower end surface of the upper beam plate.
The counterweight device of the elevator is provided with the bearing sleeve by sleeving the first thrust bearing, and the bearing sleeve can play a role in protecting the thrust bearing; in addition, a gap is formed between the upper end face of the bearing sleeve and the lower end face of the upper beam plate, so that the upper end face of the bearing sleeve is prevented from contacting with the lower end face of the upper beam plate, friction is generated, and the guide wheel assembly is prevented from swinging.
Furthermore, a positioning boss is arranged on the bearing sleeve, the rotating shaft is close to the nut, a spring mounting seat is further connected to the rotating shaft, and two ends of the first spring are respectively sleeved on the positioning boss and the spring mounting seat.
Further, the guide wheel assembly further comprises a base plate, and the rotating shaft is fixed on the base plate;
and the rotating shaft is also connected with a second thrust bearing, and the second thrust bearing is arranged between the base plate and the upper beam plate. The second thrust bearing and the first thrust bearing are both used for ensuring that the rotating shaft can rotate freely in the operation process of the counterweight housing.
Further, a second spring is connected between the second thrust bearing and the base plate. When the counterweight housing collides with the buffer, the second spring can absorb part of the collision energy, so that the structural integrity of the counterweight housing is protected.
The utility model also provides an elevator, it includes as above the counterweight.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a counterweight device of an elevator according to an embodiment of the present invention;
fig. 2 is a partial sectional view of a counterweight of an elevator according to an embodiment of the present invention.
Detailed Description
In order to better illustrate the present invention, the following detailed description of the present invention is made with reference to the accompanying drawings.
As shown in fig. 1 and 2, a counterweight of an elevator includes:
a counterweight housing 1;
the guide wheel assembly 2 comprises a rotating shaft 201, and the rotating shaft 201 is rotatably arranged on the upper beam plate 101 of the counterweight housing 1 in a penetrating way;
a first thrust bearing 3 is connected to the rotating shaft 201;
wherein the upper end surface of the first thrust bearing 3 abuts against the lower end surface of the upper beam plate 101.
Specifically, a nut 4 for supporting the first thrust bearing 3 is connected to an end of the rotating shaft 201.
A screw thread is provided at the distal end of the turning shaft 201 so that the nut 4 can be screwed into the turning shaft 201 and fixed to the turning shaft 201.
Specifically, a spring mounting seat 5 is further connected to the rotating shaft 201, and a boss is provided on the spring mounting seat 5.
Preferably, the boss is sleeved with a first spring 6, one end of the first spring 6 is clamped on the boss of the spring mounting seat 5, and the other end of the first spring abuts against the first thrust bearing 3.
In the counterweight device of the elevator, the first spring is connected between the first thrust bearing and the nut at the tail end of the rotating shaft, and the first spring can play a role in buffering acting force exerted on the rotating shaft by the counterweight frame, so that the generation of rotating shaft fatigue is slowed down.
Specifically, a bearing sleeve 7 is further sleeved on the first thrust bearing 3, and the bearing sleeve 7 can play a role in protecting the thrust bearing.
Preferably, a gap is formed between the upper end surface of the bearing sleeve 7 and the lower end surface of the upper beam plate 101; because a clearance is arranged between the upper end surface of the bearing sleeve and the lower end surface of the upper beam plate, the upper end surface of the bearing sleeve is prevented from contacting with the lower end surface of the upper beam plate, and friction is generated to prevent the guide wheel assembly from swinging.
Preferably, the bearing sleeve 7 is provided with a positioning boss; wherein, a end of the first spring 6 close to the first thrust bearing is sleeved on the positioning boss.
The counterweight of elevator of this embodiment through set up the boss in order to fix a position first spring on bearing sleeve, spring mount pad, makes first spring can not rock about when the operation.
Preferably, the guide wheel assembly further comprises a base plate 202;
the rotating shaft 201 is fixed on the base plate 202, and when the rotating shaft 201 rotates, the rotating shaft drives the base plate 202 and the guide wheels 203 on the base plate to swing.
A second thrust bearing 204 is also attached to the rotating shaft 201, and the second thrust bearing 204 abuts between the base plate 202 and the upper beam plate 101.
Preferably, a second spring 8 is connected between the second thrust bearing 204 and the base plate 202, and the second spring 8 prevents the base plate and the second thrust bearing from contacting each other, thereby reducing the friction force therebetween.
Similarly, the second thrust bearing 204 is also sleeved with a bearing sleeve 7, and the second spring 8 is clamped on a boss of the bearing sleeve 7.
The embodiment also provides an elevator comprising a counterweight as described above.
In the counterweight device of the elevator of the embodiment, the first thrust bearing is connected on the rotating shaft of the guide wheel assembly, and the upper end surface of the first thrust bearing is abutted against the lower end surface of the upper beam plate of the counterweight housing; the first thrust bearing can bear the gravity applied to the heavy frame and simultaneously drive the rotating shaft to rotate, so that the guide wheel assembly can change the angle of the guide wheel along with the cyclic biasing force in the operation process.
It should be noted that, in this embodiment, the first thrust bearing and the second thrust bearing are not meant to limit the present invention, and the first thrust bearing and the second thrust bearing may be thrust bearings of the same type.
In addition, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, it should be understood that the terms "vertical", "horizontal", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning unless otherwise stated.
The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.
Claims (8)
1. A counterweight for an elevator, comprising:
a counterweight housing;
the guide wheel assembly comprises a rotating shaft, and the rotating shaft is rotatably arranged on the upper beam plate of the counterweight housing in a penetrating way;
a first thrust bearing is connected to the rotating shaft;
the upper end face of the first thrust bearing is abutted against the lower end face of the upper beam plate.
2. The counterweight according to claim 1, characterized in that:
and the end part of the rotating shaft is connected with a nut used for supporting the first thrust bearing.
3. The counterweight according to claim 2, characterized in that:
and a first spring is connected between the first thrust bearing and the nut.
4. The counterweight according to claim 3, characterized in that:
a bearing sleeve is further sleeved on the first thrust bearing;
and a gap is formed between the upper end surface of the bearing sleeve and the lower end surface of the upper beam plate.
5. The counterweight according to claim 4, characterized in that:
the bearing sleeve is provided with a positioning boss, the rotating shaft is close to the nut, the spring mounting seat is further connected to the position of the rotating shaft, and the two ends of the first spring are respectively sleeved on the positioning boss and the spring mounting seat.
6. The counterweight according to any one of claims 1 to 5, characterized in that:
the guide wheel assembly further comprises a base plate, and the rotating shaft is fixed on the base plate;
and the rotating shaft is also connected with a second thrust bearing, and the second thrust bearing is arranged between the base plate and the upper beam plate.
7. The counterweight according to claim 6, characterized in that:
and a second spring is connected between the second thrust bearing and the base plate.
8. An elevator characterized by comprising a counterweight according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226099.8U CN211393509U (en) | 2019-12-12 | 2019-12-12 | Elevator and counterweight device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226099.8U CN211393509U (en) | 2019-12-12 | 2019-12-12 | Elevator and counterweight device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211393509U true CN211393509U (en) | 2020-09-01 |
Family
ID=72208592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922226099.8U Active CN211393509U (en) | 2019-12-12 | 2019-12-12 | Elevator and counterweight device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211393509U (en) |
-
2019
- 2019-12-12 CN CN201922226099.8U patent/CN211393509U/en active Active
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