CN211644232U

CN211644232U - Safety elevator overspeed governor overspeed device tensioner

Info

Publication number: CN211644232U
Application number: CN202020212003.2U
Authority: CN
Inventors: 罗建华; 游华英
Original assignee: Konda Elevator Co Ltd
Current assignee: Konda Elevator Co Ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-10-09
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses a safety elevator overspeed governor overspeed device tensioner relates to elevator safety technical field, specifically is a safety elevator overspeed governor overspeed device tensioner, including the mounting panel, the guide way has all been seted up to the both sides on mounting panel surface, the inside joint of guide way has the cardboard, the middle part of cardboard is rotated and is connected with the axis, centraxonial outside fixed cover has cup jointed the take-up pulley, centraxonial outside activity has cup jointed the connecting plate, the middle part fixedly connected with fine setting spring of connecting plate, the lower extreme of connecting plate is rotated and is connected with the lever plate. This safety elevator overspeed device tensioner, through setting up connecting plate and heavy object piece at the both ends of bar plate, the fulcrum axle that the cooperation set up on the bar plate utilizes lever principle for the pulling force that receives below the connecting plate is greater than the gravity of heavy object piece, thereby realizes reducing the purpose of heavy object piece gravity, has reduced the shared space of heavy object piece, has improved this overspeed device tensioner's practicality.

Description

Safety elevator overspeed governor overspeed device tensioner

Technical Field

The utility model relates to an elevator safety technical field specifically is a safe elevator overspeed device tensioner.

Background

At present, in order to prevent the problem that the elevator car falls accidentally, most elevator speed limiters are installed. The existing speed limiter generally comprises a speed limiting device, a steel wire rope and a tensioning device. The speed limiting device is installed at the top of the elevator well, the tensioning device is installed at the bottom of the elevator well, the steel wire rope penetrates through the speed limiting wheel on the speed limiter and the tensioning wheel on the tensioning device to connect the speed limiter and the tensioning wheel together, the conventional tensioning device mostly adopts a square balancing weight to be suspended below the tensioning wheel, the occupied space is large, and the speed limiting device cannot be suitable for installation of shallow pits.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a safe elevator overspeed device tensioner has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a safety elevator overspeed device tensioner, includes the mounting panel, the guide way has all been seted up to the both sides on mounting panel surface, the inside joint of guide way has the cardboard, the middle part of cardboard is rotated and is connected with the axis, centraxonial outside fixed cover has cup jointed the take-up pulley, centraxonial outside activity has cup jointed the connecting plate, the middle part fixedly connected with fine setting spring of connecting plate, the lower extreme of connecting plate is rotated and is connected with the lever plate, the surface of lever plate is provided with the fulcrum axle, the external fixation of fulcrum axle has cup jointed the fixed plate, the fixed surface of fixed plate installs directional wheel, the center pin of directional wheel runs through the surface of fixed plate and sliding connection at the mounting panel, the one end fixedly connected with connecting cable of.

Optionally, a cable is wound around the edge of the tension wheel, one end of the cable, which is far away from the tension wheel, is connected to a speed limiting wheel of the speed limiter, the connecting cable is slidably connected to the outer wall of the directional wheel, and one end of the connecting cable is fixedly connected to the heavy object block.

Optionally, the outside of fine setting spring is provided with the protective sheath, the both ends of protective sheath respectively with the outer wall fixed connection of connecting plate.

Optionally, a fulcrum groove and a wheel shaft groove located at the central shafts of the fulcrum shaft and the directional wheel are respectively formed in the surface of the mounting plate, the central shafts of the fulcrum shaft and the directional wheel are respectively connected inside the fulcrum groove and the wheel shaft groove in a sliding manner, and the fulcrum shaft is located at one third of the length of the lever plate.

Optionally, one end of the lever plate, which is far away from the connecting plate, is provided with a rope ring, and the outer wall of the rope ring is fixedly connected with the connecting rope.

Optionally, two ends of the clamping plate are respectively provided with a clamping tooth, and the clamping teeth are clamped inside the guide groove.

The utility model provides a safety elevator overspeed device tensioner possesses following beneficial effect:

1. this safety elevator overspeed device tensioner, through setting up connecting plate and heavy object piece at the both ends of bar plate, the fulcrum axle that the cooperation set up on the bar plate utilizes lever principle for the pulling force that receives below the connecting plate is greater than the gravity of heavy object piece, thereby realizes reducing the purpose of heavy object piece gravity, has reduced the shared space of heavy object piece, has improved this overspeed device tensioner's practicality.

2. This safety elevator overspeed device tensioner, through seting up fulcrum groove and shaft groove on the surface at the mounting panel for the center pin of fulcrum axle and directional wheel can remove along fulcrum groove and shaft groove, has guaranteed that the connecting plate reciprocates along the vertically track, reaches the purpose of carrying out the fine adjustment to the position of take-up pulley through the elastic deformation of fine setting spring self simultaneously, avoids causing hawser structural damage because the tensile force changes suddenly, has improved the security of this device of putting into.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a partial plan view of the present invention.

In the figure: 1. mounting a plate; 2. a guide groove; 3. clamping a plate; 4. a tension wheel; 5. a cable; 6. a middle shaft; 7. a connecting plate; 8. fine tuning the spring; 9. a protective sleeve; 10. a lever plate; 11. a fulcrum shaft; 12. a fixing plate; 13. a directional wheel; 14. a fulcrum groove; 15. a wheel axle slot; 16. a rope loop; 17. a connecting cable; 18. and (4) heavy material blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 2, the present invention provides a technical solution: a tensioning device of a speed limiter of a safety elevator comprises a mounting plate 1, guide grooves 2 are formed in two sides of the surface of the mounting plate 1, a clamping plate 3 is clamped in the guide grooves 2, clamping teeth are arranged at two ends of the clamping plate 3 respectively and are clamped in the guide grooves 2, the clamping teeth are of a soil type, the guide grooves 2 are clamped with the clamping plate 3, the moving direction of a fixed tensioning wheel 4 is achieved, a fulcrum shaft 11 and a fixing plate 12 can automatically adjust the positions in the fixing direction of the guide grooves 2 and the clamping plate 3, the tensioning force of a cable 5 on the tensioning wheel 4 and the gravity of a heavy object block 18 are in a balanced state, the middle of the clamping plate 3 is rotatably connected with a center shaft 6, a tensioning wheel 4 is fixedly sleeved outside the center shaft 6, a connecting plate 7 is movably sleeved outside the center shaft 6, a fine tuning spring 8 is fixedly connected in the middle of the connecting plate 7, and, the two ends of the protective sleeve 9 are respectively fixedly connected with the outer wall of the connecting plate 7, the fine-tuning spring 8 is used for automatically fine-tuning the tension degree of the tensioning device, so that automatic fine tuning according to the stress of the cable 5 in actual use is facilitated, the tension force of the cable 5 is prevented from being too large or too small, the lower end of the connecting plate 7 is rotatably connected with the lever plate 10, one end, away from the connecting plate 7, of the lever plate 10 is provided with a rope ring 16, the outer wall of the rope ring 16 is fixedly connected with a connecting rope 17, the rope ring 16 is connected to the outer side of the rope ring 16 in a ring mode, when the rope ring 16 rotates up and down, the connecting rope 17 can move along the outer wall of the rope ring 16, so that the connecting rope 17 is vertical, the surface of the lever plate 10 is provided with a fulcrum shaft 11, the outer portion of the fulcrum shaft 11 is fixedly sleeved with a fixing plate 12, the surface, the surface of the mounting plate 1 is respectively provided with a fulcrum groove 14 and a wheel shaft groove 15 which are positioned at the central shafts of a fulcrum shaft 11 and a directional wheel 13, the central shafts of the fulcrum shaft 11 and the directional wheel 13 are respectively connected in the fulcrum groove 14 and the wheel shaft groove 15 in a sliding way, when the lever plate 10 rotates around the fulcrum shaft 11 under the action of the tensile force of a cable 5 and the tensile force of a weight block 18, if the fulcrum shaft 11 is fixed, the rotating direction of the lower end of the connecting plate 7 is arc-shaped, when the fulcrum shaft 11 slides along the fulcrum groove 14, the connecting plate 7 can vertically move up and down, the fulcrum shaft 11 is positioned at one third of the length of the lever plate 10, the distance from the fulcrum shaft 11 to the connecting plate 7 is one third of the length of the lever plate 10, according to the lever principle, the acting force at the connecting plate 7 is greater than the gravity of the weight block 18, so that the weight of the weight block 18 can be reduced, the volume, one end of the lever plate 10, which is far away from the connecting plate 7, is fixedly connected with a connecting cable 17, the edge of the tension wheel 4 is wound with a cable 5, one end of the cable 5, which is far away from the tension wheel 4, is connected with a speed limiting wheel of a speed limiter, the cable 5 is used for connecting the speed limiting wheel with the tension wheel 4, the effect of tensioning and adjusting the cable 5 connected to the speed limiting wheel and the tension wheel 4 is realized, the connecting cable 17 is connected to the outer wall of the orienting wheel 13 in a sliding manner, one end of the connecting cable 17 is fixedly connected with a weight block 18, the orienting wheel 13 is used for changing the stress direction of the connecting cable 17, so that the gravity of the weight block 18 can change the direction into the tensile force applied to one end of the.

In summary, when the safety elevator speed limiter tensioning device is used, firstly, the mounting plate 1 is mounted on a component below an elevator, the cable 5 on the speed limiting wheel is wound on the tensioning wheel 4, the cable is balanced under the action of the gravity of the weight block 18 and the tensioning force of the cable 5, secondly, when the tensioning force of the cable 5 is low, the weight block 18 descends, the end of the rope ring 16 of the lever plate 10 is driven to move upwards through the connecting rope 17, the lower end of the connecting plate 7 moves downwards, the tensioning wheel 4 is driven to move downwards, the central shafts of the fulcrum shaft 11 and the directional wheel 13 move along the fulcrum groove 14 and the wheel shaft groove 15 until the central shafts are balanced, and finally, the fine adjustment spring 8 can adjust the position of the tensioning wheel 4 according to the elastic shape of the fine adjustment spring 8 after the central shafts are.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A safety elevator overspeed governor tensioning device, includes mounting panel (1), its characterized in that: guide grooves (2) are formed in two sides of the surface of the mounting plate (1), a clamping plate (3) is clamped inside the guide grooves (2), the middle of the clamping plate (3) is connected with a center shaft (6) in a rotating mode, a tension wheel (4) is sleeved outside the center shaft (6), a connecting plate (7) is sleeved outside the center shaft (6) in a movable mode, a fine adjustment spring (8) is fixedly connected to the middle of the connecting plate (7), a lever plate (10) is connected to the lower end of the connecting plate (7) in a rotating mode, a fulcrum shaft (11) is arranged on the surface of the lever plate (10), a fixing plate (12) is sleeved outside the fulcrum shaft (11), a directional wheel (13) is installed on the surface of the fixing plate (12), and the center shaft of the directional wheel (13) penetrates through the fixing plate (12) and is connected to the surface of the, one end of the lever plate (10) far away from the connecting plate (7) is fixedly connected with a connecting cable (17).

2. A safety elevator governor tensioning device as defined in claim 1, wherein: a cable (5) is wound on the edge of the tension wheel (4), one end of the cable (5) far away from the tension wheel (4) is connected with a speed limiting wheel of a speed limiter, the connecting cable (17) is connected to the outer wall of the directional wheel (13) in a sliding mode, and one end of the connecting cable (17) is fixedly connected with a heavy object block (18).

3. A safety elevator governor tensioning device as defined in claim 1, wherein: the outside of fine setting spring (8) is provided with protective sheath (9), the both ends of protective sheath (9) respectively with the outer wall fixed connection of connecting plate (7).

4. A safety elevator governor tensioning device as defined in claim 1, wherein: the surface of the mounting plate (1) is respectively provided with a fulcrum groove (14) and a wheel shaft groove (15) which are positioned at the central shafts of the fulcrum shaft (11) and the directional wheel (13), the central shafts of the fulcrum shaft (11) and the directional wheel (13) are respectively connected inside the fulcrum groove (14) and the wheel shaft groove (15) in a sliding manner, and the fulcrum shaft (11) is positioned at one third of the length of the lever plate (10).

5. A safety elevator governor tensioning device as defined in claim 1, wherein: one end, far away from the connecting plate (7), of the lever plate (10) is provided with a rope ring (16), and the outer wall of the rope ring (16) is fixedly connected with a connecting rope (17).

6. A safety elevator governor tensioning device as defined in claim 1, wherein: the two ends of the clamping plate (3) are respectively provided with a clamping tooth, and the clamping teeth are clamped inside the guide groove (2).