CN219448923U - Elevator overspeed governor sedan-chair frame mounting structure - Google Patents
Elevator overspeed governor sedan-chair frame mounting structure Download PDFInfo
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- CN219448923U CN219448923U CN202223396965.6U CN202223396965U CN219448923U CN 219448923 U CN219448923 U CN 219448923U CN 202223396965 U CN202223396965 U CN 202223396965U CN 219448923 U CN219448923 U CN 219448923U
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- speed limiter
- connecting rod
- wire rope
- elevator
- car frame
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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
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses an elevator speed limiter car frame mounting structure. In order to solve the problems of too far distance between the speed limiter and the safety tongs, slow response, too high installation cost and the like, the speed limiter is installed on the car frame and is driven by the car frame, so that the distance between the speed limiter and the safety tongs is shortened, and the response speed is improved; the speed limiter is connected with the safety tongs through the connecting rod, and the speed limiter is provided with the compensation spring to reduce the problem of false touch of the speed limiter and the safety tongs caused by elevator vibration, so that the speed limiter is simple in structure and low in cost.
Description
Technical Field
The utility model relates to the field of elevator safety, in particular to an elevator speed limiter car frame mounting structure.
Background
The existing speed limiter is generally installed at the top of an elevator machine room or a hoistway, while the safety tongs are installed on an elevator car frame, and the following defects exist in the installation mode: 1. too long a wire rope between the speed limiter and the safety gear may result in a slow response of the safety gear. 2. The speed limiter adopts a fixed pulley structure, the steel wire rope is about twice the height of a well, and the cost is too high.
For example, the car follower elevator speed limiter with application number 201810240848.X comprises a rotating device, at least one three-bar linkage, a rotating device, an electric triggering device and a mechanical triggering device, and the following drawbacks exist although the problem of slow response speed of safety tongs is solved in the scheme: the anti-misoperation limiting device is not touched, the integration level is low, the structure is complex, and the cost is high.
Disclosure of Invention
In view of the above, the present utility model provides an elevator car frame speed limiter mounting structure in which a speed limiter is integrated with an elevator car frame, which can improve the response speed of a safety gear, simplify the structure, and reduce the cost.
The specific scheme of the utility model is as follows:
the utility model provides an elevator overspeed governor sedan-chair frame mounting structure, includes elevator sedan-chair frame, overspeed governor wire rope, wire tension device, overspeed governor, safety tongs, spacing track and safety tongs connecting rod, and spacing track is connected with the overspeed governor, and spacing track installs on elevator sedan-chair frame, and between spacing track was located to the overspeed governor, the overspeed governor passed through overspeed governor wire rope and wire rope tension device to be connected, and the overspeed governor is connected with the safety tongs connecting rod, and the safety tongs connecting rod is connected with the safety tongs. The speed limiter is connected with the safety tongs connecting rod, the speed limiter is arranged between the limiting rails, two ends of a steel wire rope of the speed limiter are arranged at the top end and the bottom of a hoistway, the steel wire rope tensioning devices are arranged at the two ends of the steel wire rope of the speed limiter, the steel wire rope of the speed limiter is wound on the speed limiter, when an elevator overspeed, the speed limiter drives the safety tongs connecting rod, the speed limiter locks the steel wire rope, the speed limiter moves relative to a car frame, the safety tongs connecting rod is driven, and the limiting rails can avoid the speed limiter from being mistakenly touched due to the vibration of the elevator.
Preferably, the speed limiter comprises a speed limiter device and a wire rope tensioning wheel, and the speed limiter is provided with a speed limiter shell. The wire rope tensioner presses the wire rope on the speed limiter, the wire rope and the speed limiter form a rigid whole when the elevator overspeed, and the speed limiter is limited in the limiting track by the speed limiter shell, so that the stability of integral installation is ensured.
Preferably, an optical axis track is arranged in the limit track, a compensation spring is sleeved on the optical axis track, the lower end of the compensation spring is in butt joint with the speed limiter, and the optical axis track penetrates through the speed limiter shell. The compensation spring is sleeved on the optical axis track, and the lower end of the compensation spring is propped against the speed limiter, so that the problem of false touch of the speed limiter and the safety tongs caused by vibration of an elevator is solved.
Preferably, two tensioning wheels are arranged in the speed limiter and are arranged at 180-degree symmetrical positions above and below the speed limiter, the speed limiter steel wire rope winds 180 degrees on the speed limiter, the two tensioning wheels press the speed limiter steel wire rope on the speed limiter, and the speed limiter steel wire rope penetrates through the speed limiter from the middle. When the elevator exceeds a certain range of rated speed, the speed limiter device stops, the speed limiter steel wire rope and the speed limiter device form a rigid whole under the action of the pressure of the steel wire rope tensioning wheels, and the speed limiter steel wire rope form a whole due to the fact that the speed limiter device is rigidly mounted on the speed limiter shell, and the two tensioning wheels enable the steel wire rope and the speed limiter to be firmer and more reliable when in clamping.
Alternatively, a single tension wheel is arranged in the speed limiter, the single tension wheel is arranged on the side face of the speed limiter, the tension wheel presses the speed limiter wire rope on the speed limiter, and the speed limiter wire rope (2) penetrates through the speed limiter from the side face. When the elevator exceeds a rated speed by a certain range, the speed limiter device stops, the speed limiter wire rope and the speed limiter device form a rigid whole under the action of the tension wheel pressure of the wire rope, and the speed limiter wire rope form a whole due to the fact that the speed limiter device is rigidly arranged on the speed limiter shell. The structure of a single tension wheel is simpler and more effective.
Preferably, the safety tongs are provided with a safety tongs trigger pull rod for connecting the safety tongs connecting rod. The safety tongs are triggered by the safety tongs triggering pull rod.
Preferably, the safety tongs connecting rod comprises a first connecting rod, a second connecting rod and a third connecting rod, the upper end of the first connecting rod is rigidly connected with the speed limiter, one end of a shaft body of the second connecting rod is sleeved with the first connecting rod, the other end of the second connecting rod is slidably connected with the third connecting rod, and the other end of the third connecting rod is connected with the safety tongs. One end of the shaft body of the first connecting rod and one end of the shaft body of the second connecting rod can coaxially slide in a certain range, and the function of preventing false touch can be achieved.
Preferably, the limit rail is connected to the lower side of the elevator car frame. The speed limiter is driven by the action of the limiting track when the elevator car frame moves, the distance between the speed limiter and the safety tongs is shortened, and the safety tongs respond faster.
The beneficial effects of the utility model are as follows: the speed limiter is integrated on the elevator car frame, the speed limiter and the elevator car frame follow, and the lower part of the speed limiter is linked with the safety tongs through the connecting rod mechanism, so that the response speed of the safety tongs can be effectively improved; and be equipped with compensation spring in whole mounting structure, according to the compensation dynamics of different operating mode environment adjustment compensation spring, and then reduce overspeed governor, the safety gear mistake that leads to because elevator vibrations touch the problem. The length of the steel wire rope is reduced by half, so that the steel wire rope tensioning device can be further reduced, and the cost is reduced.
Drawings
Fig. 1 is a front view of an elevator governor car mounting structure;
FIG. 2 is a schematic diagram of a governor mounting configuration;
FIG. 3 is a schematic diagram of the speed limiter in conjunction with safety gear;
FIG. 4 is a schematic diagram of two tensioner mounting structures for a speed limiter;
in the figure: 1 an elevator car frame; 2, a speed limiter steel wire rope; 3, a steel wire rope tensioning device; 4, limiting the track; 5 optical axis track; 6, compensating springs; 7, a speed limiter; 7.1 speed limiter means; 7.2 speed limiter housing; 7.3, a wire rope tensioning wheel; 8, a safety tongs connecting rod; 8.1 a first connecting rod; 8.2 a second link; 8.3 a third link; 9 safety tongs; 9.1 safety tongs trigger tie bars.
Detailed Description
Embodiment one:
an elevator speed limiter car mounting structure as shown in fig. 1 includes: the elevator car frame 1, a speed limiter wire rope 2, a wire rope tensioning device 3, a limit track 4, a speed limiter 7, a safety tongs connecting rod 8 and safety tongs 9. The safety tongs are arranged at the bottom of the elevator car frame, the speed limiter is arranged on the side face, close to the bottom, of the elevator car frame, the speed limiter is connected with the safety tongs through safety tongs connecting rods, limiting rails are arranged on two sides of the speed limiter, the two limiting rails are in a group, the length of each limiting rail is greater than that of the speed limiter, and a steel wire rope of the speed limiter penetrates through the speed limiter and is connected with the steel wire rope tensioning devices at the upper end and the lower end of the speed limiter.
As shown in fig. 2, an optical axis track 5 is arranged in the limit track, a compensation spring 6 is sleeved on the optical axis track, the safety tongs connecting rod is divided into three parts, and the safety tongs connecting rod comprises a first connecting rod 8.1, a second connecting rod 8.2 and a third connecting rod 8.3, and the third connecting rod is connected with a safety tongs triggering pull rod 9.1. One end of a shaft body of the first connecting rod and one end of a shaft body of the second connecting rod can coaxially slide in a certain range, the second connecting rod can play a role in adjusting and preventing false touch, the second connecting rod is L-shaped and is rigidly connected together through a metal shaft body and a sheet metal bending part, the other end of the second connecting rod is a plane with a bending edge, and one section of the third connecting rod can slide on the plane. The optical axis track passes through the speed limiter, the speed limiter can slide up and down on the optical axis track, and a gasket can be added between the speed limiter and the compensation spring to adjust the compensation force of the compensation spring.
As shown in fig. 3, the safety tongs are mounted at the bottom of the elevator car frame, the speed limiter is mounted below the elevator car frame, and the speed limiter is connected with the safety tongs through a safety tongs connecting rod and a safety tongs triggering pull rod.
As shown in fig. 4, hole sites through which the steel wire rope can pass are reserved on the upper surface and the lower surface of the speed limiter shell, and hole sites of the optical axis tracks are reserved on the two sides of the speed limiter shell. Two tensioning wheels are arranged in the speed limiter, the two tensioning wheels are arranged up and down by 180 degrees, a speed limiter steel wire rope winds 180 degrees on the speed limiter device, and the speed limiter steel wire rope penetrates through the speed limiter from the middle.
The overspeed governor wire rope both ends are installed in the top and the bottom of well, and wire rope tensioning device is installed at both ends, and overspeed governor wire rope twines on the overspeed governor, and when the elevator overspeed, the overspeed governor drives the safety tongs connecting rod, and the overspeed governor locks wire rope, and the overspeed governor exists in the relative motion of sedan-chair frame, and then drives the safety tongs connecting rod, and limiting track can avoid the overspeed governor to be touched by the mistake because the elevator shakes. When the elevator exceeds a rated speed by a certain range, the speed limiter device stops, the speed limiter wire rope and the speed limiter device form a rigid whole under the action of the tension wheel pressure of the wire rope, the speed limiter and the wire rope of the speed limiter form a whole because the speed limiter device is rigidly arranged on the speed limiter shell, and the speed limiter is fixed in a hoistway through the tension device of the wire rope, so that the speed limiter is static relative to the hoistway at the moment, but the speed limiter moves upwards relative to the elevator car frame. Because the limit rail, the optical axis rail and the compensation spring are rigidly fixed on the elevator car frame, the speed limiter moves upwards along the optical axis rail in the limit rail to compress the compensation spring.
Because the safety tongs connecting rod is rigidly fixed on the speed limiter shell, when the speed limiter moves upwards, the first connecting rod and the second connecting rod are driven to move upwards. The third link will slide along the plane of the second link while moving upward. The third connecting rod drives the safety tongs to trigger the pull rod to rotate upwards, so that the safety tongs act and the elevator is braked.
Embodiment two:
as shown in fig. 4, hole sites through which the steel wire rope can pass are reserved on the upper surface and the lower surface of the speed limiter shell, and hole sites of the optical axis tracks are reserved on the two sides of the speed limiter shell. The speed limiter is internally provided with a tension wheel which is arranged on the left side or the right side, the speed limiter wire rope is pressed on the speed limiter device by the tension wheel, the speed limiter wire rope is not wound on the speed limiter device, and the speed limiter wire rope penetrates through the speed limiter from the side face. The rest is the same as the first embodiment.
Claims (8)
1. The utility model provides an elevator overspeed governor sedan-chair frame mounting structure, includes elevator sedan-chair frame (1), overspeed governor wire rope (2), steel wire tensioning device (3), overspeed governor (7) and safety gear (9), its characterized in that still includes: the safety gear comprises a limiting rail (4) and a safety gear connecting rod (8), wherein the limiting rail is connected with a speed limiter, the limiting rail is arranged on an elevator car frame, the speed limiter is arranged between the limiting rails, the speed limiter is connected with a wire rope tensioning device through a wire rope of the speed limiter, the speed limiter is connected with the safety gear connecting rod, and the safety gear connecting rod is connected with a safety gear.
2. An elevator governor car mounting according to claim 1, characterized in that the governor (7) comprises a governor device (7.1) and a wire rope tensioner (7.3), the governor (7) being mounted in the governor housing (7.2).
3. The elevator speed limiter car frame mounting structure according to claim 2, wherein an optical axis rail (5) is arranged in the limit rail (4), a compensation spring (6) is sleeved on the optical axis rail (5), the lower end of the compensation spring (6) is abutted with the speed limiter (7), and the optical axis rail (5) penetrates through the speed limiter shell (7.2).
4. The elevator speed limiter car frame mounting structure according to claim 2, wherein two tensioning wheels (7.3) are arranged in the speed limiter (7), the two tensioning wheels (7.3) are arranged at symmetrical positions of 180 degrees above and below the speed limiter, the speed limiter wire rope (2) winds 180 degrees on the speed limiter (7.1), the two tensioning wheels (7.3) press the speed limiter wire rope (2) on the speed limiter (7.1), and the speed limiter wire rope (2) penetrates through the speed limiter (7) from the middle.
5. The elevator speed limiter car frame mounting structure according to claim 2, wherein a wire rope tensioning wheel (7.3) is arranged in the speed limiter (7), the wire rope tensioning wheel (7.3) is mounted on the side face of the speed limiter device (7.1), the wire rope tensioning wheel (7.3) presses the speed limiter wire rope (2) on the speed limiter device (7.1), and the speed limiter wire rope (2) penetrates through the speed limiter (7) from the side face.
6. An elevator speed limiter car frame mounting structure according to claim 1, characterized in that the safety tongs (9) are provided with safety tongs trigger tie bars (9.1) for connecting the safety tongs links (8).
7. The elevator speed limiter car frame mounting structure according to claim 1, wherein the safety gear connecting rod (8) comprises a first connecting rod (8.1), a second connecting rod (8.2) and a third connecting rod (8.3), the upper end of the first connecting rod (8.1) is rigidly connected with the speed limiter (7), one end of a shaft body of the second connecting rod (8.2) is sleeved with the first connecting rod (8.1), the other end of the second connecting rod (8.2) is slidably connected with the third connecting rod (8.3), and the other end of the third connecting rod (8.3) is connected with the safety gear (9).
8. An elevator governor car frame mounting according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7, characterized in that the limit rail (4) is connected to the underside of the elevator car frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223396965.6U CN219448923U (en) | 2022-12-15 | 2022-12-15 | Elevator overspeed governor sedan-chair frame mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223396965.6U CN219448923U (en) | 2022-12-15 | 2022-12-15 | Elevator overspeed governor sedan-chair frame mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219448923U true CN219448923U (en) | 2023-08-01 |
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ID=87383773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223396965.6U Active CN219448923U (en) | 2022-12-15 | 2022-12-15 | Elevator overspeed governor sedan-chair frame mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219448923U (en) |
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2022
- 2022-12-15 CN CN202223396965.6U patent/CN219448923U/en active Active
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