CN216190172U - Elevator overspeed governor testing arrangement - Google Patents
Elevator overspeed governor testing arrangement Download PDFInfo
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- CN216190172U CN216190172U CN202122489758.4U CN202122489758U CN216190172U CN 216190172 U CN216190172 U CN 216190172U CN 202122489758 U CN202122489758 U CN 202122489758U CN 216190172 U CN216190172 U CN 216190172U
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- guide wheel
- clamping seat
- elevator
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- fixed supporting
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Abstract
The utility model relates to a speed limiter testing device for an elevator, which comprises a bottom plate, a fixed supporting plate, a first guide wheel, a second guide wheel, a third guide wheel and a dragging cylinder, wherein the fixed supporting plate is fixed on the bottom plate; the fixed supporting plate is positioned on the upper end surface of the bottom plate, the first guide wheel and the second guide wheel are movably connected with the middle part of the fixed supporting plate through bearings, and a first rotating speed sensor is arranged on a shaft of the second guide wheel; the third guide wheel is movably connected with the support on the bottom plate through a bearing, and a second rotating speed sensor is arranged on a shaft of the third guide wheel; the dragging cylinder is located on the bottom plate, a lower clamping seat is arranged on a piston rod of the dragging cylinder, and an upper clamping seat and a distance sensor are arranged on the lower clamping seat. The elevator speed limiter positioning device can realize positioning of the elevator speed limiter, unreeling of the steel wire rope and pulling of the steel wire rope to detect the speed limiter, ensures accurate detection result, replaces professional equipment, has simple structure and low manufacturing cost, and is beneficial to reducing cost.
Description
Technical Field
The utility model relates to the field of elevator component detection, in particular to an elevator speed limiter testing device.
Background
An elevator speed limiter is one of safety control components in an elevator safety protection system. When the elevator is in operation, no matter what reason causes the car to overspeed or even to fall, and all other safety protection devices do not work, the speed limiter and the safety tongs perform linkage action to stop the elevator car.
The overspeed governor system is the essential safety device of elevator, and when the elevator was overspeed, the operation was out of control or the linkage broke, overspeed governor safety tongs device stopped elevator car on the guide rail rapidly to keep quiescent condition, thereby avoid taking place casualties and equipment damage accident.
After the speed limiter is produced and assembled, in order to ensure that the performance of the speed limiter reaches the standard, the speed limiter needs to be tested, so that the safety of an elevator is ensured. The existing testing method is to perform testing through professional equipment.
However, the technical difficulty in testing the elevator speed limiter is not high, and if professional equipment is adopted, the equipment is high in purchase and use cost and low in cost performance.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is:
the elevator speed limiter testing device is designed, the elevator speed limiter can be positioned, the steel wire rope can be unreeled, the steel wire rope can be pulled to detect the speed limiter, the detection result is accurate, professional equipment is replaced, the structure is simple, the manufacturing cost is low, and the cost is reduced.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an elevator speed limiter testing device comprises a bottom plate, a fixed supporting plate, a first guide wheel, a second guide wheel, a third guide wheel and a dragging cylinder; the fixed supporting plate is positioned on the upper end surface of the bottom plate, the first guide wheel and the second guide wheel are movably connected with the middle part of the fixed supporting plate through bearings, and a first rotating speed sensor is arranged on a shaft of the second guide wheel; the third guide wheel is movably connected with the support on the bottom plate through a bearing, and a second rotating speed sensor is arranged on a shaft of the third guide wheel; the dragging cylinder is located on the bottom plate, a lower clamping seat is arranged on a piston rod of the dragging cylinder, and an upper clamping seat and a distance sensor are arranged on the lower clamping seat.
Further, the fixed supporting plate is vertically arranged, and the top end of the fixed supporting plate is provided with a screw hole; the first guide wheel and the second guide wheel are respectively positioned at two ends of the middle part of the fixed supporting plate.
Furthermore, a steel wire rope unwinding mechanism is further arranged on the bottom plate, and the steel wire rope unwinding mechanism corresponds to the first guide wheel in position.
Further, the third guide wheel is higher than the second guide wheel in horizontal height, and the dragging cylinder is located below the third guide wheel.
Further, the dragging cylinder is a single-piston-rod cylinder and is vertically arranged, and the upper clamping seat is detachably connected with the lower clamping seat.
Further, the distance sensor is specifically located on a fixing plate on the side surface of the lower clamping seat, and a detection end of the distance sensor faces vertically downwards.
The utility model has the beneficial effects that: the utility model provides an elevator overspeed governor testing arrangement, combine the fixed stay board, first leading wheel, the second leading wheel, first rotational speed sensor, the third leading wheel, second rotational speed sensor, pull cylinder and distance sensor's comprehensive utilization, can realize the location of elevator overspeed governor, unreeling of wire rope and pulling wire rope detect the overspeed governor, can ensure that the testing result is accurate, replace professional equipment completely, this device structure is succinct, cost and use low cost, the sexual valence ratio is higher, be favorable to reducing total manufacturing cost.
Drawings
Fig. 1 is an overall configuration diagram of an elevator speed governor testing apparatus according to the present invention.
Fig. 2 is a schematic diagram of another angle of the elevator speed limiter testing device.
In the figure: 1. a base plate; 2. fixing the support plate; 3. a steel wire rope unwinding mechanism; 4. a first guide wheel; 5. a second guide wheel; 6. a first rotational speed sensor; 7. a support; 8. a third guide wheel; 9. a second rotational speed sensor; 10. a dragging cylinder; 11. an upper clamping seat; 12. a lower clamping seat; 13. a distance sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 and 2, an elevator speed limiter testing device comprises a bottom plate 1, a fixed supporting plate 2, a first guide wheel 4, a second guide wheel 5, a third guide wheel 8 and a dragging cylinder 10; the fixed support plate 2 is positioned on the upper end face of the bottom plate 1, the fixed support plate 2 is used for fixing an elevator speed limiter, the first guide wheel 4 and the second guide wheel 5 are both movably connected with the middle part of the fixed support plate 2 through bearings, the first guide wheel 4 and the second guide wheel 5 are both used for guiding a steel wire rope, a first rotating speed sensor 6 is arranged on a shaft of the second guide wheel 5, and the first rotating speed sensor 6 is specifically an angular displacement sensor and is used for detecting the rotating speed of the second guide wheel 5; the third guide wheel 8 is movably connected with the support 7 on the bottom plate 1 through a bearing, the third guide wheel 8 is used for guiding the steel wire rope, a second rotating speed sensor 9 is arranged on a shaft of the third guide wheel 8, and the second rotating speed sensor 9 is used for detecting the rotating speed of the third guide wheel 8; the dragging cylinder 10 is located on the bottom plate 1, a lower clamping seat 12 is arranged on a piston rod of the dragging cylinder 10, the dragging cylinder 10 is used for driving the lower clamping seat 12 to move up and down, an upper clamping seat 11 and a distance sensor 13 are arranged on the lower clamping seat 12, and the distance sensor 13 is used for detecting the lifting stroke of the lower clamping seat 12.
The fixed supporting plate 2 is vertically arranged, and the top end of the fixed supporting plate is provided with a screw hole for conveniently locking a bolt to fix the elevator speed limiter; the first guide wheel 4 and the second guide wheel 5 are respectively positioned at two ends of the middle part of the fixed supporting plate 2.
The elevator speed limiter is characterized in that a steel wire rope unwinding mechanism 3 is further arranged on the bottom plate 1, the steel wire rope unwinding mechanism 3 corresponds to the first guide wheel 4 in position, and the steel wire rope unwinding mechanism 3 is used for unwinding a supply steel wire rope towards the elevator speed limiter.
The horizontal height of the third guide wheel 8 is higher than that of the second guide wheel 5, and the dragging cylinder 10 is located below the third guide wheel 8, so that the dragging cylinder 10 can conveniently drag the steel wire rope.
The dragging cylinder 10 is a single-piston-rod cylinder and is vertically arranged, the upper clamping seat 11 is detachably connected with the lower clamping seat 12, and the upper clamping seat 11 is separable from the lower clamping seat 12.
The distance sensor 13 is specifically located on a fixing plate on the side surface of the lower clamping seat 12, and a detection end of the distance sensor 13 faces downwards vertically so as to detect a distance from the top end of the dragging cylinder 10.
The working principle of the utility model is as follows: firstly, fixing an elevator speed limiter to be detected at the top end of a fixed supporting plate 2 through a bolt, and locking the bolt into a screw hole to realize fixation; then, a steel wire on the steel wire rope unreeling mechanism 3 sequentially passes through a first guide wheel 4, an elevator speed limiter, a second guide wheel 5 and a third guide wheel 8 and is finally fixedly connected with the top end of an upper clamping seat 11;
the upper clamping seat 11 clamps the lower clamping seat 12, the initial state of a piston rod of the dragging cylinder 10 is an extending state, and the lower clamping seat 12 is at a high position;
when detection is carried out, a piston rod of the dragging cylinder 10 moves downwards to drive the lower clamping seat 12 and the upper clamping seat 11 to move downwards together, and the distance sensor 13 detects the displacement of the lower clamping seat 12; the steel wire rope is pulled by the lower clamping seat 12, the third guide wheel 8 rotates, the second rotating speed sensor 9 detects the rotating speed of the third guide wheel 8, the second guide wheel 5 rotates, and the first rotating speed sensor 6 detects the rotating speed of the second guide wheel 5; the steel wire rope unreeling mechanism 3 continuously unreels and supplies steel wire ropes to the elevator speed limiter;
when the moving speed of the steel wire rope reaches a certain value, the elevator speed limiter locks the steel wire rope, and at the moment, whether the performance of the elevator speed limiter meets the design requirement or not can be judged according to the maximum rotating speed detected by the second rotating speed sensor 9 and the first rotating speed sensor 6 and the distance information detected by the distance sensor 13.
The above examples are intended to further illustrate the present invention, but are not intended to limit the utility model to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.
Claims (6)
1. The utility model provides an elevator overspeed governor testing arrangement which characterized in that: comprises a bottom plate (1), a fixed support plate (2), a first guide wheel (4), a second guide wheel (5), a third guide wheel (8) and a dragging cylinder (10); the fixed supporting plate (2) is positioned on the upper end face of the bottom plate (1), the first guide wheel (4) and the second guide wheel (5) are movably connected with the middle part of the fixed supporting plate (2) through bearings, and a first rotating speed sensor (6) is arranged on a shaft of the second guide wheel (5); the third guide wheel (8) is movably connected with a support (7) on the bottom plate (1) through a bearing, and a second rotating speed sensor (9) is arranged on a shaft of the third guide wheel (8); the dragging cylinder (10) is located on the bottom plate (1), a lower clamping seat (12) is arranged on a piston rod of the dragging cylinder (10), and an upper clamping seat (11) and a distance sensor (13) are arranged on the lower clamping seat (12).
2. The elevator speed limiter testing device of claim 1, wherein: the fixed supporting plate (2) is vertically arranged, and the top end of the fixed supporting plate is provided with a screw hole; the first guide wheel (4) and the second guide wheel (5) are respectively positioned at two ends of the middle part of the fixed supporting plate (2).
3. The elevator speed limiter testing device of claim 2, wherein: the steel wire rope unwinding mechanism (3) is further arranged on the bottom plate (1), and the position of the steel wire rope unwinding mechanism (3) corresponds to that of the first guide wheel (4).
4. An elevator governor testing arrangement in accordance with claim 3, characterized in that: the horizontal height of the third guide wheel (8) is higher than that of the second guide wheel (5), and the dragging cylinder (10) is positioned below the third guide wheel (8).
5. The elevator speed limiter testing device of claim 4, wherein: the dragging cylinder (10) is a single-piston-rod cylinder and is vertically arranged, and the upper clamping seat (11) is detachably connected with the lower clamping seat (12).
6. The elevator speed limiter testing device of claim 5, wherein: the distance sensor (13) is specifically positioned on a fixing plate on the side surface of the lower clamping seat (12), and the detection end of the distance sensor (13) is vertically downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122489758.4U CN216190172U (en) | 2021-10-15 | 2021-10-15 | Elevator overspeed governor testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122489758.4U CN216190172U (en) | 2021-10-15 | 2021-10-15 | Elevator overspeed governor testing arrangement |
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| Publication Number | Publication Date |
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| CN216190172U true CN216190172U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122489758.4U Active CN216190172U (en) | 2021-10-15 | 2021-10-15 | Elevator overspeed governor testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114813093A (en) * | 2022-06-27 | 2022-07-29 | 南通环宇特种设备安全评估有限公司 | Special equipment instrument's inspection check out test set |
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2021
- 2021-10-15 CN CN202122489758.4U patent/CN216190172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114813093A (en) * | 2022-06-27 | 2022-07-29 | 南通环宇特种设备安全评估有限公司 | Special equipment instrument's inspection check out test set |
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