CN220115989U - Elevator speed limiter with high response speed - Google Patents
Elevator speed limiter with high response speed Download PDFInfo
- Publication number
- CN220115989U CN220115989U CN202321086865.5U CN202321086865U CN220115989U CN 220115989 U CN220115989 U CN 220115989U CN 202321086865 U CN202321086865 U CN 202321086865U CN 220115989 U CN220115989 U CN 220115989U
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- block
- limiting
- mounting bracket
- elevator
- teeth
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- 238000003756 stirring Methods 0.000 abstract description 24
- 238000010586 diagram Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Abstract
The utility model discloses an elevator speed limiter with high response speed, which relates to the technical field of elevator speed limiters and has the technical scheme that: including mounting bracket and rope sheave, rope sheave annular array has a plurality of spacing teeth, is provided with the fixture block that rotates and correspond with spacing tooth on the mounting bracket, and annular array has a plurality of blocks of stirring on the rope sheave, is provided with the swing board on the mounting bracket, and the swing board is close to one side of stirring the block and is provided with the arc and stir the board, and mounting bracket one side is provided with the trigger subassembly that corresponds with the swing board, when the rope sheave rotational speed exceeded the default, stirs the block and promotes to stir the board swing board and promote trigger subassembly drive fixture block and insert in a plurality of spacing teeth. According to the elevator rope pulley, the clamping blocks and the limiting teeth are arranged, when the descending speed of the elevator is too high, the rope pulley is driven to rotate, the poking block on the rope pulley pushes the poking plate, the rotating angle and the impact force of the swinging plate are increased, and then the clamping blocks are inserted into the limiting teeth through the triggering assembly.
Description
Technical Field
The utility model relates to the technical field of elevator speed limiters, in particular to an elevator speed limiter with high response speed.
Background
The safe operation of elevator is kept away from the safe driving protection navigation of installation device, and current elevator safety device includes elevator overspeed governor. When the elevator runs, the steel wire rope for lifting the elevator passenger box synchronously moves along with the passenger box, the steel wire rope is wound on the rope pulley, the rope pulley is smoothly fixed at the topmost end of the passenger box movement path, namely, a support for rotatably supporting the rope pulley is arranged at the roof position. The passenger box has certain speed range when the design, and the factor of safety of elevator reduces when the passenger box overspeed, therefore the overspeed governor is used for stopping the elevator in time when the elevator overspeed to ensure passenger's safety in the passenger box.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the elevator speed limiter with high response speed, by arranging the clamping block and the limiting teeth, when the elevator descends too fast, the rope wheel is driven to rotate, so that the stirring block on the rope wheel pushes the stirring plate, the rotation angle and the impact force of the swinging plate are increased, and then the clamping block is inserted into the limiting teeth through the triggering component.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides an elevator overspeed governor that response speed is fast, installs the rope sheave on the mounting bracket including mounting bracket and rotation, rope sheave annular array has a plurality of spacing teeth of setting along its rotation opposite direction, be provided with on the mounting bracket rotate and with the fixture block that spacing tooth corresponds, annular array has a plurality of blocks of stirring on the rope sheave, be provided with the swinging plate on the mounting bracket, one side that the swinging plate is close to the block of stirring is provided with the arc and stirs the board, mounting bracket one side is provided with the trigger subassembly that corresponds with the swinging plate, works as when rope sheave rotational speed exceeds the default, stir the piece and promote to stir the board swinging plate and promote trigger subassembly drive fixture block and insert in a plurality of spacing teeth.
The utility model is further provided with: the trigger assembly is provided with a driven rod, one end of the driven rod is rotatably installed on the installation frame, the other end of the driven rod is provided with a pushing block corresponding to the swinging plate, the driven rod is provided with a limiting groove used for limiting the clamping block to be close to the limiting teeth, and the limiting groove is arranged between the rotation axis of the driven rod and the pushing block.
The utility model is further provided with: the trigger assembly is further provided with an elastic piece for driving the clamping block to rotate, and the mounting frame is provided with a limiting rod for limiting the rotation of the clamping block.
The utility model is further provided with: the elastic piece is a tension spring, one end of the elastic piece is fixedly arranged on the driven rod, and the other end of the elastic piece is fixedly arranged on the clamping block.
The utility model is further provided with: and a stop lever for limiting the rotation of the driven rod is further arranged on the mounting frame.
The utility model is further provided with: the clamping block rotating shaft is taken as the center, and the weight ratio of the weight of one side far away from the limiting teeth to the weight of one side close to the limiting teeth is 2:1.
in summary, the utility model has the following beneficial effects:
when elevator gliding speed is too fast, lead to the rope sheave rotation rate to be higher than the speed of predetermineeing, stir the rotation rate increase of piece at this moment, and then stir the piece and stir the impact enhancement of board, make swing board rotation angle increase, swing board and the impeller piece on the driven lever take place the striking, because pass through the spacing groove joint between driven lever and the fixture block, the impeller piece drives the driven lever and rotates, the spacing groove takes place the displacement, the fixture block is kept away from with the spacing groove, because of the weight ratio of fixture block axis of rotation both sides is different, elastic component takes place elastic deformation pulling fixture block rotation when the driven lever is kept away from simultaneously, make the fixture block insert in the spacing tooth fast, thereby when making elevator decline speed overspeed, the equipment can make faster reaction in time stop the elevator, and this simple structure is convenient for production and use moreover.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model;
FIG. 3 is a schematic diagram of the structure of the latch of the present utility model in the non-triggered state;
FIG. 4 is a partial discharge diagram at A of FIG. 3;
FIG. 5 is a schematic diagram of the structure of the latch of the present utility model in the triggered state;
fig. 6 is a partial discharge diagram at B of fig. 5.
In the figure: 1. a mounting frame; 2. a rope pulley; 3. limiting teeth; 4. a clamping block; 5. a poking block; 6. a swinging plate; 7. a toggle plate; 8. a trigger assembly; 9. a driven rod; 10. a pushing block; 11. a limit groove; 12. an elastic member; 13. a limit rod; 14. a stop lever.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings 1 to 6.
The utility model provides an elevator overspeed governor that response speed is fast, including mounting bracket 1 and rotate the rope sheave 2 of installing on mounting bracket 1, rope sheave 2 annular array has a plurality of spacing teeth that set up along its rotation opposite direction, be provided with on 3 mounting bracket 1 rotate and with spacing tooth corresponding fixture block 4, annular array has a plurality of pieces 5 of stirring on the rope sheave 2, be provided with swinging plate 6 on the mounting bracket 1, one side that swinging plate 6 is close to stirring piece 5 is provided with arc and stirs board 7, mounting bracket 1 one side is provided with the trigger subassembly 8 that corresponds with swinging plate 6, when rope sheave 2 rotational speed exceeded the default, stirring piece 5 promotes stirring board 7 swinging plate 6 and promotes trigger subassembly 8 drive fixture block 4 and insert in a plurality of spacing teeth.
Specifically, the trigger assembly 8 is provided with a driven rod 9, one end of the driven rod 9 is rotatably mounted on the mounting frame 1, the other end of the driven rod 9 is provided with a pushing block 10 corresponding to the swinging plate 6, the driven rod 9 is provided with a limiting groove 11 for limiting the clamping block 4 to be close to the limiting teeth, and the limiting groove 11 is arranged between the rotation axis of the driven rod 9 and the pushing block 10.
Specifically, the trigger assembly 8 is further provided with an elastic member 12 for driving the clamping block 4 to rotate, and the mounting frame 1 is provided with a limiting rod 13 for limiting the rotation of the clamping block 4.
Specifically, the elastic member 12 is a tension spring, and one end of the elastic member 12 is fixedly arranged on the driven rod 9, and the other end of the elastic member is fixedly arranged on the clamping block 4.
Specifically, the mounting frame 1 is further provided with a stop lever 14 for limiting the rotation of the driven lever 9.
Specifically, with the rotation axis of the clamping block 4 as the center, the weight ratio of the weight of one side far away from the limiting teeth to the weight of one side close to the limiting teeth is 2:1.
working principle:
when elevator gliding speed is too fast, lead to rope sheave 2 rotation rate to be higher than the speed of predetermineeing, stir the rotation rate increase of piece 5 at this moment, and then stir the impact reinforcement of piece 5 and stirring board 7, make swinging plate 6 rotation angle increase, swinging plate 6 and the impeller 10 on the driven lever 9 take place to strike, because pass through spacing groove 11 joint between driven lever 9 and the fixture block 4, impeller 10 drives driven lever 9 and rotates, spacing groove 11 takes place the displacement, fixture block 4 is kept away from with spacing groove 11, because of the weight ratio of fixture block 4 axis of rotation both sides is different, elastic component 12 takes place elastic deformation pulling fixture block 4 rotation simultaneously when the fixture block 9 is kept away from, make fixture block 4 insert spacing tooth fast, swinging plate 6's rotation is maintained through thumb and stirring board 7 in this design, swinging plate 6's rotation angle can take place certain skew in the settlement speed, but the striking dynamics can not promote driven lever 9, do not influence equipment normal operating.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (6)
1. The utility model provides an elevator overspeed governor fast, includes mounting bracket (1) and rotates rope sheave (2) of installing on mounting bracket (1), its characterized in that: the pulley (2) annular array has a plurality of spacing teeth that set up along its rotation opposite direction, (3) be provided with on mounting bracket (1) rotate and with fixture block (4) that spacing tooth corresponds, annular array has a plurality of toggle block (5) on pulley (2), be provided with swing board (6) on mounting bracket (1), one side that swing board (6) is close to toggle block (5) is provided with arc toggle plate (7), mounting bracket (1) one side is provided with trigger subassembly (8) that correspond with swing board (6), works as when pulley (2) rotational speed exceeds the default, toggle block (5) promote toggle plate (7) swing board (6) promote trigger subassembly (8) drive fixture block (4) and insert in a plurality of spacing teeth.
2. The fast response elevator speed limiter of claim 1 wherein: the trigger assembly (8) is provided with a driven rod (9), one end of the driven rod (9) is rotatably arranged on the mounting frame (1), the other end of the driven rod (9) is provided with a pushing block (10) corresponding to the swinging plate (6), the driven rod (9) is provided with a limiting groove (11) for limiting the clamping block (4) to be close to limiting teeth, and the limiting groove (11) is arranged between the rotating axis of the driven rod (9) and the pushing block (10).
3. The fast response elevator speed limiter of claim 2 wherein: the trigger assembly (8) is further provided with an elastic piece (12) for driving the clamping block (4) to rotate, and the mounting frame (1) is provided with a limiting rod (13) for limiting the clamping block (4) to rotate.
4. An elevator speed limiter with fast response speed according to claim 3, characterized in that: the elastic piece (12) is a tension spring, one end of the elastic piece (12) is fixedly arranged on the driven rod (9), and the other end of the elastic piece is fixedly arranged on the clamping block (4).
5. The fast response elevator speed limiter of claim 4 wherein: the mounting frame (1) is also provided with a stop lever (14) for limiting the driven lever (9) to be far away from the swinging plate (6).
6. The fast response elevator speed limiter of claim 4 wherein: taking the rotating shaft of the clamping block (4) as the center, the weight ratio of the weight of one side far away from the limiting teeth to the weight of one side close to the limiting teeth is 2:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086865.5U CN220115989U (en) | 2023-05-08 | 2023-05-08 | Elevator speed limiter with high response speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086865.5U CN220115989U (en) | 2023-05-08 | 2023-05-08 | Elevator speed limiter with high response speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220115989U true CN220115989U (en) | 2023-12-01 |
Family
ID=88891849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321086865.5U Active CN220115989U (en) | 2023-05-08 | 2023-05-08 | Elevator speed limiter with high response speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220115989U (en) |
-
2023
- 2023-05-08 CN CN202321086865.5U patent/CN220115989U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |