CN215946422U - Speed limiter detection device - Google Patents
Speed limiter detection device Download PDFInfo
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- CN215946422U CN215946422U CN202122033930.5U CN202122033930U CN215946422U CN 215946422 U CN215946422 U CN 215946422U CN 202122033930 U CN202122033930 U CN 202122033930U CN 215946422 U CN215946422 U CN 215946422U
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Abstract
The utility model discloses a speed limiter detection device, which relates to the technical field of elevator detection and solves the problems that the existing speed limiter detection device cannot be adjusted according to actual needs and detection errors are caused by operation vibration of a driving device; the speed limiter detection device provided by the utility model can effectively reduce the shaking of the whole device frame body caused by the work of the driving motor, reduce the detection error caused by the shaking, and meanwhile, the speed limiter detection device can be adjusted according to the size and the actual requirement of the wheel disc of the speed limiter wheel disc, so that the belt and each wheel can be in good transmission connection, the slipping is avoided, and the practicability is strong.
Description
Technical Field
The utility model relates to the technical field of elevator detection, in particular to the technical field of speed limiter detection.
Background
Along with the accelerated development of the economy of China and the improvement of the level of socialization, the elevator becomes an indispensable transport tool in places such as residential buildings, office buildings, shopping malls and the like, and becomes an indispensable important component in the daily life of people like other transport tools, so that the safety of the elevator becomes a common concern of the majority of users.
The elevator speed limiter is a main protection device for preventing the elevator from overspeed (ascending or descending), is an indispensable safety component for ensuring the safety of the elevator, and can possibly cause the elevator car to overspeed and drop under the conditions of brake failure, steel wire rope fracture or insufficient braking force, so that the elevator speed limiter can play a key role; therefore, the detection of the elevator speed limiter and the judgment of whether the elevator speed limiter is in a qualified range are one of necessary processes for determining whether the elevator is safe.
Chinese patent application No. CN201611194616.2 discloses a steel wire driven elevator speed limiter detection device, which comprises a driving motor and a control detection box electrically connected, wherein the driving motor and the control detection box are respectively installed at the lower part and the upper part in an integral installation box, a stable connection frame for stabilizing on a speed limiter base is arranged below the integral installation box, a rotating shaft of the driving motor is connected with a speed limiter turntable to be detected through a steel wire ring in a transmission manner, and the steel wire ring also passes through a tension loading wheel, a tension monitoring wheel and a speed monitoring wheel; the elevator speed limiter detection device provided by the patent is integrated, is convenient to carry, saves time and labor in the installation and operation process, and can avoid the need of multi-person operation; the disconnection trigger switch is triggered by the tubular pressure sensor, so that the installation process of the trigger switch is omitted, the disconnection trigger switch can be simultaneously used for detecting the dragging attraction of the speed limiter to the steel wire rope, and the safety effect condition of the speed limiter can be more comprehensively detected.
Although above patent can realize carrying out comprehensive detection to the overspeed governor, but each rim plate all is fixed, can't adjust as required, can not be applicable to different overspeed governor rim plate sizes, and driving motor can produce vibrations at the operation in-process, and the vibrations effect can lead to whole device to take place to rock, can bring certain error to the degree of accuracy that the overspeed governor detected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the above technical problem, the present invention provides a speed governor detecting device.
The utility model specifically adopts the following technical scheme for realizing the purpose:
a speed limiter detection device comprises a speed limiter wheel disc, a driving motor, a driving wheel, a tension monitoring wheel, a tension loading wheel and a speed monitoring wheel, wherein the driving wheel, the tension monitoring wheel, the tension loading wheel and the speed monitoring wheel are in transmission connection through a belt;
the first connecting rod is fixed on the base, the second connecting rod is connected with the top end of the first connecting rod through a fixing rod, and the sliding rail is transversely arranged and connected between the two fixing rods;
the top end of the second connecting rod is provided with a top frame, the driving motor is fixed on the top frame through a damping seat, and the driving wheel is connected with the output end of the driving motor;
the tension monitoring wheel and the speed monitoring wheel are connected to the sliding rail in a sliding mode, a rotating shaft bearing of the tension monitoring wheel is connected with a pipe-type pressure sensor, a rotating shaft of the speed monitoring wheel is connected with a rotating speed sensor in a transmission mode, the tension loading wheel is fixed to the second connecting rod, and an electric control friction plate is arranged on the side edge of the tension loading wheel.
Preferably, the shock mount comprises a fixed plate, a shock-absorbing column and a spring, the driving motor is arranged on the fixed plate, the fixed plate is connected with the top frame through the shock-absorbing column, and the spring is sleeved on the shock-absorbing column.
Preferably, the bottom of the fixing plate is further provided with an arc-shaped elastic sheet, and the arc surface of the arc-shaped elastic sheet is in contact with the top of the top frame.
Preferably, the tension monitoring wheel or the speed monitoring wheel is fixed on a sliding block through a wheel shaft, and the sliding block is connected with the sliding rail in a sliding mode.
Preferably, the sliding block is locked with the sliding rail through a fixing piece.
Preferably, the first connecting rod and the second connecting rod are telescopic rods.
Preferably, the speed governor wheel disc is fixed on the base through a mounting frame.
The utility model has the following beneficial effects:
1. the damping seat is arranged, so that a damping effect can be provided for the driving motor, the phenomenon of unstable test caused by the shaking of the whole frame body of the device due to the shaking effect is prevented, the damping effect is good, the shaking of the whole frame body of the device caused by the working of the driving motor is reduced, and the test error caused by the shaking of the device is reduced.
2. According to the utility model, the tension monitoring wheel and the speed monitoring wheel are in sliding connection, so that when the sizes of the wheel discs of the speed limiter are different, the positions of the tension monitoring wheel and the speed monitoring wheel on the slide rail are adjusted in a sliding manner, a belt and each wheel can be ensured to be in good transmission connection, the slipping is avoided, and the detection efficiency is improved.
3. According to the utility model, the first connecting rod and the second connecting rod are set as telescopic rods, so that the height adjustment can be realized, the height adjustment of the driving wheel and the tension loading wheel can be realized, the height adjustment of the tension monitoring wheel and the speed monitoring wheel can also be realized, the belt can be in better transmission connection with the wheels, the slipping is avoided, the adjustment can be carried out according to the size of the wheel disc of the speed limiter wheel disc and the actual requirement, and the practicability is strong.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a damper base;
FIG. 3 is a schematic view of a connection structure of the tension monitoring wheel and the slide rail;
reference numerals: 1-base, 2-mounting rack, 3-speed governor wheel disc, 4-first connecting rod, 5-fixing rod, 6-tension monitoring wheel, 7-pipe type pressure sensor, 8-second connecting rod, 9-top rack, 10-sliding rail, 11-driving wheel, 12-tension loading wheel, 13-electric control friction plate, 14-speed monitoring wheel, 15-rotating speed sensor, 16-driving motor, 17-shock absorption seat, 171-fixing plate, 172-shock absorption column, 173-spring, 174-arc elastic sheet, 18-sliding block, 19-wheel shaft and 20-fixing piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 3, the present embodiment provides a speed governor detecting apparatus, which includes a speed governor sheave 3, a driving motor 16, a driving wheel 11, a tension monitoring wheel 6, a tension loading wheel 12, and a speed monitoring wheel 14, where the driving wheel 11, the tension monitoring wheel 6, the tension loading wheel 12, and the speed monitoring wheel 14 are in transmission connection with a belt, specifically, an inner layer surface of the belt is in transmission connection with the speed governor sheave 3, the tension monitoring wheel 6, the driving wheel 11, and the tension loading wheel 12, and an outer layer surface of the belt is in transmission connection with the speed monitoring wheel 14;
the shock absorption device also comprises a base 1, a first connecting rod 4, a second connecting rod 8, a sliding rail 10, a top frame 9 and a shock absorption seat 17;
the first connecting rod 4 is fixed on the base 1, the second connecting rod 8 is connected with the top end of the first connecting rod 4 through a fixing rod 5, and the sliding rail 10 is transversely arranged and connected between the two fixing rods 5;
the top end of the second connecting rod 8 is provided with a top frame 9, the driving motor 16 is fixed on the top frame 9 through a shock absorption seat 17, and the driving wheel 11 is connected with the output end of the driving motor 16;
the overspeed governor rim plate 3 is fixed on base 1 through mounting bracket 2, tension monitoring wheel 6 and speed monitoring wheel 14 sliding connection are on slide rail 10, tension monitoring wheel 6's pivot bearing is connected with cast pressure sensor 7, speed monitoring wheel 14's pivot transmission is connected with speed sensor 15, tension loading wheel 12 is fixed on second connecting rod 8, and tension loading wheel 12 side is provided with automatically controlled friction disc 13.
When the speed limiter is used, the driving motor 16 is started, the driving motor 16 is controlled to accelerate to the rated speed of the speed limiter, the speed of the speed limiter is slowly increased, when the speed of the speed limiter is increased to the action speed of the speed limiter, the wheel disc 3 of the speed limiter brakes, the tension of a belt of the speed limiter can be transient, and the speed of the transient tension moment is also the action speed; meanwhile, the transient of the belt tension can trigger the driving motor 16 to be switched off, so that the single detection of the action speed of the speed limiter is completed, and the steel wire tension can be detected and calculated through the tubular pressure sensor 7, so that the tubular pressure sensor 7 can detect the dragging attraction of the speed limiter to the belt when the speed limiter acts; the electric control friction plate 13 can act on the belt by controlling the rolling friction force of the tension loading wheel 12, so that the tension applied to the belt is changed, the tension applied to the speed limiter in real operation can be better simulated, and the belt can also adopt steel wires.
In the testing process, because driving motor 16 operation can bring certain vibrations, setting through shock attenuation seat 17, can provide the cushioning effect for driving motor 16, thereby prevent that the whole support body that the vibrations effect leads to the device from taking place to rock and produce the unstable phenomenon of test, reduce because the device rocks the test error who brings, and, for guaranteeing to realize good transmission between belt and each wheel and being connected, when the 3 size of overspeed governor rim plate is different, can slide adjusting tension monitoring wheel 6 and speed monitoring wheel 14 position on slide rail 10, thereby make and realize good transmission between belt and each wheel and be connected, avoid skidding, be favorable to improving detection efficiency.
Example 2
In this embodiment, it is further preferable that the damper base 17 includes a fixing plate 171, a damping column 172 and a spring 173, the driving motor 16 is disposed on the fixing plate 171, the fixing plate 171 is connected to the top frame 9 through the damping column 172, and the spring 173 is disposed on the damping column 172.
When driving motor 16 during operation, shock attenuation post 172 and spring 173 can provide the buffering for vibrations, and the shock attenuation is effectual to reduce the rocking that driving motor 16 work brought for whole device support body.
Example 3
In this embodiment, it is further preferable that, on the basis of embodiment 2, the bottom of the fixing plate 171 is further provided with an arc-shaped elastic piece 174, and an arc surface of the arc-shaped elastic piece 174 contacts with the top of the top frame 9; buffering effect can be further strengthened through setting up arc shell fragment 174, improve the shock attenuation effect.
Example 4
The embodiment is further preferred based on embodiment 1, and with particular reference to fig. 3, in the figure, a connection between a tension monitoring wheel 6 and a slide rail 10 is taken as an example, the tension monitoring wheel 6 or a speed monitoring wheel 14 is fixed on a slide block 18 through a wheel shaft 19, and the slide block 18 is connected with the slide rail 10 in a sliding manner; by the connection method of the sliding block 18 and the sliding rail 10, the tension monitoring wheel 6 or the speed monitoring wheel 14 can be moved more conveniently, and the positions of the tension monitoring wheel and the speed monitoring wheel are convenient to adjust.
Example 5
In this embodiment, it is further preferable that the sliding block 18 is locked with the sliding rail 10 by a fixing member 20 based on embodiment 1; after the tension monitoring wheel 6 or the speed monitoring wheel 14 finishes the adjustment of the moving position, the sliding block 18 is locked with the sliding rail 10 by the fixing member 20, so as to prevent the sliding block 18 from moving, and the fixing member 20 may be an existing fixing structure such as a screw.
Example 6
In this embodiment, it is further preferable that the first connecting rod 4 and the second connecting rod 8 are both telescopic rods on the basis of embodiment 1; the first connecting rod 4 and the second connecting rod 8 are telescopic rods, so that height adjustment can be realized, not only can the height adjustment of the driving wheel 11 and the tension loading wheel 12 be realized, but also the height adjustment of the tension monitoring wheel 6 and the speed monitoring wheel 14 can be realized, so that a belt can be in better transmission connection with each wheel, slipping is avoided, adjustment can be performed according to the size and actual needs of the wheel disc of the speed limiter wheel disc 3, and the practicability is high; in addition, when not in use, the telescopic rod is shortened, so that the height of the whole device is reduced, the volume and the occupied space are reduced, and the carrying is convenient.
Claims (7)
1. A speed limiter detection device comprises a speed limiter wheel disc (3), a driving motor (16), a driving wheel (11), a tension monitoring wheel (6), a tension loading wheel (12) and a speed monitoring wheel (14), wherein the driving wheel (11), the tension monitoring wheel (6), the tension loading wheel (12) and the speed monitoring wheel (14) are connected through belt transmission, and the speed limiter detection device is characterized by further comprising a base (1), a first connecting rod (4), a second connecting rod (8), a sliding rail (10), a top frame (9) and a shock absorption seat (17);
the first connecting rod (4) is fixed on the base (1), the second connecting rod (8) is connected with the top end of the first connecting rod (4) through the fixing rods (5), and the sliding rail (10) is transversely arranged and connected between the two fixing rods (5);
the top end of the second connecting rod (8) is provided with a top frame (9), the driving motor (16) is fixed on the top frame (9) through a damping seat (17), and the driving wheel (11) is connected with the output end of the driving motor (16);
tension monitoring wheel (6) and speed monitoring wheel (14) sliding connection are on slide rail (10), the pivot bearing of tension monitoring wheel (6) is connected with cast pressure sensor (7), the pivot transmission of speed monitoring wheel (14) is connected with speed sensor (15), tension loading wheel (12) are fixed on second connecting rod (8), and tension loading wheel (12) side is provided with automatically controlled friction disc (13).
2. The speed limiter detection device according to claim 1, wherein the damping seat (17) comprises a fixing plate (171), a damping column (172) and a spring (173), the driving motor (16) is arranged on the fixing plate (171), the fixing plate (171) is connected with the top frame (9) through the damping column (172), and the spring (173) is sleeved on the damping column (172).
3. A speed limiter detection device according to claim 2, characterized in that the bottom of the fixing plate (171) is further provided with a curved spring piece (174), and the curved surface of the curved spring piece (174) is in contact with the top of the top frame (9).
4. A speed limiter detection device according to claim 1, characterized in that the tension monitoring wheel (6) or the speed monitoring wheel (14) is fixed to a slide (18) by means of a wheel axle (19), the slide (18) being in sliding connection with the slide (10).
5. A speed limiter detection device according to claim 4 characterised in that the slide (18) is locked to the slide (10) by a fixing (20).
6. A speed limiter detection device according to claim 1, characterized in that the first connecting rod (4) and the second connecting rod (8) are telescopic rods.
7. A speed limiter detection device according to claim 1, characterized in that the speed limiter wheel disc (3) is fixed on the base (1) by means of a mounting frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122033930.5U CN215946422U (en) | 2021-08-26 | 2021-08-26 | Speed limiter detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122033930.5U CN215946422U (en) | 2021-08-26 | 2021-08-26 | Speed limiter detection device |
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| Publication Number | Publication Date |
|---|---|
| CN215946422U true CN215946422U (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122033930.5U Active CN215946422U (en) | 2021-08-26 | 2021-08-26 | Speed limiter detection device |
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| CN (1) | CN215946422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993540A (en) * | 2022-08-02 | 2022-09-02 | 国网江西省电力有限公司建设分公司 | Data acquisition, protection and storage device for tension sensor |
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2021
- 2021-08-26 CN CN202122033930.5U patent/CN215946422U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993540A (en) * | 2022-08-02 | 2022-09-02 | 国网江西省电力有限公司建设分公司 | Data acquisition, protection and storage device for tension sensor |
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