CN209740468U - Elevator traction system - Google Patents
Elevator traction system Download PDFInfo
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- CN209740468U CN209740468U CN201920474038.0U CN201920474038U CN209740468U CN 209740468 U CN209740468 U CN 209740468U CN 201920474038 U CN201920474038 U CN 201920474038U CN 209740468 U CN209740468 U CN 209740468U
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- hoisting
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Abstract
The utility model discloses an elevator traction system, which relates to the elevator field, and comprises a traction sheave, a traction rope or a traction belt wound on the traction sheave, and at least one pressure loading component arranged above the traction rope or the traction belt, wherein the pressure loading component comprises a circular arc-shaped supporting frame and at least one adjustable pressure wheel component arranged on the supporting frame, the supporting frame and the traction sheave are arranged concentrically and the relative position is fixed, the adjustable pressure wheel assembly comprises a pressure wheel, a support and a compressed elastic element, the pressure wheel is rotatably arranged at the lower end of the support, the upper end of the support is mounted on the support, the lower end of the elastic element is abutted against the support, the upper end of the elastic element is abutted against the support, the pressure wheel loads pressure pointing to the axle center of the traction wheel on the traction rope or the traction belt, and the upper end of the support can be telescopically adjusted along the radial direction of the support to adjust the pressure loaded by the pressure wheel. The utility model discloses can realize the lightweight design of car, reduce product cost, can strengthen the adaptability of hauler simultaneously.
Description
Technical Field
The utility model relates to an elevator field especially relates to an elevator traction system.
Background
For a traditional elevator traction system, a traction steel wire rope or a traction steel belt generates friction on a traction sheave through tension on two sides, so that an elevator is driven to run up and down. With the development of light weight of an elevator car, the weight of the car-side counterweight and the weight of the counterweight-side counterweight are generally required to be increased to ensure the traction capacity of an elevator system, so that the cost of the elevator is greatly increased. In addition, the effect of changing the traction capacity is limited by changing the groove angle type of the traction wheel rope, such as a U-shaped groove or a V-shaped groove, or changing the groove angle, and the requirement on processing is high. The equivalent friction coefficient of the traction sheave and the traction wire rope or the traction steel belt of a specific elevator traction machine cannot be adjusted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is exactly in order to compensate the defect that prior art exists, provides an elevator traction system, and it is with high costs through increasing car side counter weight and guaranteeing the ability of towing of elevator system to the weight of the heavy side to solve current traction system, or through changing the effect of the change ability of towing that the wheel rope groove angle type of towing exists limited, requires highly to processing moreover to and tow the unable problem of adjusting of ability.
The utility model discloses technical scheme as follows: an elevator traction system comprising a traction sheave and a traction rope or a traction belt wound around the traction sheave, characterized in that: the hoisting device also comprises at least one pressure loading assembly arranged above the hoisting rope or the hoisting belt, the pressure loading assembly comprises an arc-shaped supporting frame and at least one adjustable pressure wheel assembly arranged on the supporting frame, the supporting frame and the traction sheave are concentrically arranged and have fixed relative positions, the adjustable pressure wheel assembly comprises a pressing wheel, a bracket and a compressed elastic element, the pinch roller is rotatably arranged at the lower end of the bracket, the upper end of the bracket is arranged on the supporting frame, the lower end of the elastic element is abutted against the bracket, the upper end of the elastic element is abutted against the support frame, the pinch roller loads pressure pointing to the axis of the traction sheave on the traction rope or the traction belt, and the upper end of the support can be adjusted in a telescopic mode along the radial direction of the support frame so as to adjust the pressure loaded by the pinch roller.
Further, the support frame is fixedly arranged on the traction machine.
Further, the hoisting rope or the hoisting belt is a steel wire rope or a steel belt.
Furthermore, the number of the adjustable pressure wheel assemblies is at least 3, and the adjustable pressure wheel assemblies are arranged on the supporting frame along the circumferential direction of the supporting frame.
Further, the lower extreme of support is provided with pinch roller installation axle, the pinch roller is installed epaxial.
Further, the support includes the installation pole that is located upper portion, be provided with the external screw thread on the installation pole, elastic component cover is established on the installation pole, the installation pole passes the setting and is in mounting hole on the support frame to screw up and the butt is in through with the nut of the external screw thread fit of installation pole the outer wall quilt of support frame is locked on the support frame.
Furthermore, the inner side of the support frame is provided with a positioning groove, and the upper end of the elastic element is abutted to the inside of the positioning groove.
Further, the pressure loading assembly is plural and is arranged above the traction rope or the traction belt along the circumferential direction of the traction sheave.
Furthermore, the device also comprises a first microswitch used for monitoring the abrasion of the rope groove of the pressing wheel and a second microswitch used for monitoring the elastic force change of the elastic element.
Further, the elastic element is a spring or a rubber ring.
The beneficial effects of the utility model reside in that: (1) the pressure loading assembly loads positive pressure between the traction rope or the traction belt and the traction sheave, so that the friction force between the traction rope or the traction belt and the traction sheave is increased, and the traction capacity of the traction machine can be improved. (2) The pressure loading assembly loads positive pressure between the traction rope or the traction belt and the traction sheave, so that the friction force between the traction rope or the traction belt and the traction sheave is increased, the requirements on the self weight of the lift car and the weight of a counterweight can be reduced, the light weight design of the lift car is realized, and the product cost is reduced. (3) The elastic element which is abutted to the support frame is arranged between the support frame and the support frame, the support frame is adjustably locked on the support frame through the mounting rod with threads of the support frame by using the nut, the support frame can be telescopically adjusted along the radial direction of the support frame by screwing the nut, so that the pressure of the pressing wheel loaded on the traction rope or the traction belt and pointing to the axle center of the traction wheel is changed, the traction capacity of the traction machine can be adjusted, and the adaptability of the traction machine is enhanced.
Drawings
Fig. 1 is a schematic structural diagram of an elevator traction system of the present invention.
Fig. 2 is a schematic structural diagram of the elevator traction system of the present invention.
Fig. 3 is a schematic structural diagram of the pressure loading assembly of the present invention.
Fig. 4 is a schematic structural view of the adjustable pressure wheel assembly of the present invention.
Fig. 5 is a schematic structural view of the adjustable pressure wheel assembly of the present invention.
Wherein; 1-a traction sheave; 2-a hoisting rope or belt; 3-a pressure loading assembly; 4-a support frame; 5-an adjustable pressure wheel assembly; 6-a nut; 7-a first microswitch; 8-a second microswitch; 9-positioning the groove; 10-pressing wheel; 11-a scaffold; 12-a resilient element; 13-pinch roller mounting shaft; 14-mounting the rod.
Detailed Description
The following provides a brief description of the embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 5, an elevator traction system comprises a traction sheave 1, a traction rope or a traction belt 2 wound on the traction sheave 1, and at least one pressure loading assembly 3 disposed above the traction rope or the traction belt 2, wherein the pressure loading assembly 3 comprises an arc-shaped support frame 4 and at least one adjustable pressure wheel assembly 5 mounted on the support frame 4, the support frame 4 is concentrically arranged with the traction sheave 1 and fixed in relative position, the adjustable pressure wheel assembly 5 comprises a pressure wheel 10, a support frame 11 and a compressed elastic element 12, the pressure wheel 10 is rotatably disposed at the lower end of the support frame 11, the upper end of the support frame 11 is mounted on the support frame 4, the lower end of the elastic element 12 abuts against the support frame 11, and the upper end of the elastic element 12 abuts against the support frame 4, the pinch roller 10 loads pressure on the traction rope or the traction belt 2 pointing to the axis of the traction sheave 1, and the upper end of the bracket 11 can be adjusted in a telescopic manner along the radial direction of the support frame 4 to adjust the pressure loaded by the pinch roller 10.
The elevator traction system is provided with a compressed elastic element 12, and a positive pressure is loaded between a traction rope or a traction belt 2 and a traction sheave 1 through a pressure wheel 10, so that the friction force between the traction rope or the traction belt 2 and the traction sheave 1 is increased, and the traction capacity of a traction machine can be improved; in addition, the weight requirements on the self weight of the car and the counterweight can be reduced, the light weight design of the car is realized, and the product cost is reduced. The adjusting bracket 11 is extended and contracted along the radial direction of the supporting frame 4, so that the pressure of the pressure wheel 10 loaded on the traction rope or the traction belt 2 and pointing to the axis of the traction sheave 1 is changed, the traction capacity of the traction machine can be adjusted, and the adaptability of the traction machine is enhanced.
The pressure loading assembly 3 can be fixed on a traction machine as a part of the traction machine, namely, the pressure loading assembly is fixedly arranged on the traction machine through the supporting frame 4; or a separate additional device can be fixed through a foundation outside the traction machine.
The material of the hoisting rope or the hoisting belt 2 can be steel material, namely, the hoisting rope or the hoisting belt 2 is a steel wire rope or a steel belt.
The adjustable pressure wheel assembly 5 is provided in plurality, particularly at least 3, and is mounted on the support frame 4 along the circumferential direction of the support frame 4.
The manner in which the pressing wheel 10 is rotatably disposed at the lower end of the bracket 11 is optional but not limited to: the lower extreme of support 11 is provided with pinch roller installation axle 13, pinch roller 10 is installed on pinch roller installation axle 13.
The manner of radial telescopic adjustment of the adjustable pressure wheel assembly 5 on the support frame 4 is optional but not limited to: the support 11 includes the installation pole 14 that is located upper portion, be provided with the external screw thread on the installation pole 14, elastic element 12 cover is established on the installation pole 14, the installation pole 14 passes the setting and is in mounting hole on the support frame 4 to through with the nut 6 of the external screw thread complex of installation pole 14 is screwed up and the butt is in the outer wall of support frame 4 is locked on the support frame 4.
In order to facilitate the positioning and installation of the elastic element 12 and stably provide pressure, a positioning groove 9 is provided on the inner side of the support frame 4, and the upper end of the elastic element 12 abuts against the positioning groove 9.
The pressure loading assembly 3 may be provided in plurality, and is disposed above the traction rope or belt 2 in the circumferential direction of the traction sheave 1.
The elevator traction system also comprises a first microswitch 7 for monitoring the abrasion of the rope groove of the pinch roller 10 and a second microswitch 8 for monitoring the change of the elasticity of the elastic element 12, when the first microswitch 7 monitors that the abrasion of the rope groove of the pinch roller 10 exceeds a set value or the second microswitch 8 monitors that the elasticity of the elastic element 12 is reduced to a set value, a brake is triggered to brake the traction wheel 1, so that the traction rope or the traction belt 2 is prevented from continuously moving, and the traction system stops running for maintenance, thereby ensuring the safety of the elevator.
The elastic element 12 may be, but is not limited to, a spring or a rubber ring, and any elastic element capable of providing an elastic force satisfying the requirement is within the scope of the present application.
The present invention is not limited to the above-described specific embodiments, and various modifications and changes are possible. Any modification, equivalent replacement, improvement and the like made to the above embodiments according to the technical spirit of the present invention should be included in the scope of protection of the present invention.
Claims (10)
1. An elevator traction system comprising a traction sheave (1) and a traction rope or belt (2) wound around the traction sheave (1), characterized in that: the hoisting device is characterized by further comprising at least one pressure loading assembly (3) arranged above the hoisting rope or the hoisting belt (2), wherein the pressure loading assembly (3) comprises an arc-shaped supporting frame (4) and at least one adjustable pressure wheel assembly (5) arranged on the supporting frame (4), the supporting frame (4) and the hoisting wheel (1) are concentrically arranged and are fixed in relative position, the adjustable pressure wheel assembly (5) comprises a pressure wheel (10), a support (11) and a compressed elastic element (12), the pressure wheel (10) is rotatably arranged at the lower end of the support (11), the upper end of the support (11) is arranged on the supporting frame (4), the lower end of the elastic element (12) is abutted against the support (11), the upper end of the elastic element (12) is abutted against the supporting frame (4), and the pressure wheel (10) loads pressure pointing to the axis of the hoisting wheel (1) on the hoisting rope or the hoisting belt (2), the upper end of the bracket (11) can be telescopically adjusted along the radial direction of the support frame (4) so as to adjust the pressure loaded by the pinch roller (10).
2. The elevator traction system of claim 1, wherein the support frame (4) is fixedly mounted on a traction machine.
3. Elevator hoisting system according to claim 1 characterized in that the hoisting ropes or belts (2) are steel ropes or belts.
4. The elevator traction system according to claim 1, wherein the number of the adjustable pressure wheel assemblies (5) is at least 3, and the adjustable pressure wheel assemblies are mounted on the support frame (4) along the circumferential direction of the support frame (4).
5. The elevator traction system according to claim 1, wherein the lower end of the bracket (11) is provided with a sheave (10) mounting shaft (13), and the sheave (10) is mounted on the sheave (10) mounting shaft (13).
6. The elevator traction system as claimed in claim 5, wherein the bracket (11) comprises a mounting rod (14) at the upper part, the mounting rod (14) is provided with an external thread, the elastic element (12) is sleeved on the mounting rod (14), the mounting rod (14) passes through a mounting hole arranged on the support frame (4) and is locked on the support frame (4) by being screwed and abutted against the outer wall of the support frame (4) through a nut (6) matched with the external thread of the mounting rod (14).
7. The elevator traction system according to claim 6, wherein the support frame (4) is provided with a positioning groove (9) on the inside, and the upper end of the elastic member (12) abuts in the positioning groove (9).
8. The elevator traction system according to claim 1, wherein the pressure loading assembly (3) is plural and arranged above the traction rope or belt (2) in a circumferential direction of the traction sheave (1).
9. The elevator traction system according to claim 1, further comprising a first microswitch (7) for monitoring wear of the rope grooves of the pressing wheel (10), and a second microswitch (8) for monitoring changes in the elastic force of the elastic member (12).
10. The elevator traction system of claim 1, wherein the resilient element (12) is a spring or a rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920474038.0U CN209740468U (en) | 2019-04-10 | 2019-04-10 | Elevator traction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920474038.0U CN209740468U (en) | 2019-04-10 | 2019-04-10 | Elevator traction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209740468U true CN209740468U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920474038.0U Active CN209740468U (en) | 2019-04-10 | 2019-04-10 | Elevator traction system |
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| CN (1) | CN209740468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117466116A (en) * | 2023-12-25 | 2024-01-30 | 沈阳蓝光驱动技术有限公司 | Traction machine with self-locking protection structure |
-
2019
- 2019-04-10 CN CN201920474038.0U patent/CN209740468U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117466116A (en) * | 2023-12-25 | 2024-01-30 | 沈阳蓝光驱动技术有限公司 | Traction machine with self-locking protection structure |
| CN117466116B (en) * | 2023-12-25 | 2024-04-05 | 沈阳蓝光驱动技术有限公司 | Traction machine with self-locking protection structure |
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