CN221027038U - Electric elevator speed limiter without machine room - Google Patents
Electric elevator speed limiter without machine room Download PDFInfo
- Publication number
- CN221027038U CN221027038U CN202322811055.8U CN202322811055U CN221027038U CN 221027038 U CN221027038 U CN 221027038U CN 202322811055 U CN202322811055 U CN 202322811055U CN 221027038 U CN221027038 U CN 221027038U
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- rod
- front baffle
- shell
- pawl
- plate
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- 230000005520 electrodynamics Effects 0.000 claims 1
- 230000009471 action Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model relates to an electric elevator speed limiter without machine room, which comprises a shell and a speed limiting assembly arranged in the shell, wherein the speed limiting assembly comprises a rope wheel, a pawl and a ratchet wheel, the shell comprises a front baffle plate, a rear baffle plate and a bottom frame plate, at least two kidney-shaped limiting grooves are arranged on the ratchet wheel, the paths of the two kidney-shaped limiting grooves are opposite, a pin shaft is arranged on the front baffle plate and corresponds to the limiting grooves, the pin shaft penetrates through a through hole of the front baffle plate and extends out of the shell, the pin shaft correspondingly extends into a limiting hole, the bottom frame plate is of a U-shaped structure, two ends of the bottom frame plate are connected to the front baffle plate and the rear baffle plate, and the center of the bottom of the shell is arranged in a suspending manner; the two limiting grooves correspond to the two pin shafts, the ratchet wheel rotates to disperse the example to the two pin shafts, the two pin shafts disperse the force at different positions of the frame, so that the frame can be effectively prevented from being deformed, the split setting is convenient to assemble, the bottom plate frame can be stretched after the front baffle is deformed, the influence on the rear baffle is small, and the replacement after the deformation is more convenient.
Description
Technical Field
The utility model relates to a speed limiter, in particular to an electric machine-room-less elevator speed limiter.
Background
The elevator speed limiter is one of safety control components in an elevator safety protection system, and when the elevator is in overspeed or even falls in any reason during operation, the speed limiter and the safety tongs perform linkage action to stop the elevator car under the condition that all other safety protection devices are not active. The existing electric speed limiter without a machine room is characterized in that the action of a rope wheel is limited by the cooperation of a ratchet and a pawl, a limiting groove is formed in the ratchet, the rotation of the ratchet is limited by a pin shaft on a shell, the moving range of the ratchet is the path range of the limiting groove, but in this way, the deformation of a machine frame can be caused when the ratchet and a stress point of the machine frame are concentrated in one groove, in addition, once the machine frame is deformed, the existing machine frame is of an integrated structure, and the whole machine frame needs to be replaced, so that the machine frame is troublesome to maintain and waste is caused.
Disclosure of utility model
The utility model aims to provide an electric elevator speed limiter without machine room, which solves the problems that the existing speed limiter shell is easy to deform and needs to be replaced entirely after deformation
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a rope pulley and a ratchet wheel, wherein the rope pulley and the ratchet wheel are arranged in the shell, the shell comprises a front baffle plate, a rear baffle plate and at least two underframe plates, pawls matched with a ratchet wheel gap are arranged on the rope pulley, at least two kidney-shaped limit grooves are arranged on the ratchet wheel, the two limit grooves are opposite in path direction, a pin shaft is arranged on the front baffle plate corresponding to the limit grooves, the pin shaft penetrates through a through hole of the front baffle plate and extends out of the shell, the pin shaft correspondingly extends into the limit hole, the underframe plates are of a U-shaped structure, two ends of each underframe plate are connected to the front baffle plate and the rear baffle plate, and the center of the bottom of the shell is arranged in a suspended mode.
Preferably, an electromagnetic push-pull member is arranged on the outer wall of the front baffle, a rod body of the electromagnetic push-pull member penetrates through the front baffle to be connected with one end of the trigger rod, and the pawl is arranged in the moving path of the trigger rod.
Preferably, the other end of the trigger rod is provided with a circular arc trigger part, and the pawl is in the moving path of the circular arc trigger part.
Preferably, the other end of the trigger rod is connected with a spring, and the other end of the spring is connected to the front baffle.
Preferably, the bottom of the underframe plate is provided with a connecting hole and one side of the bottom is provided with an opening.
Preferably, an electric component for controlling the electric structure of the elevator is further arranged in the shell, a switch of the electric component is connected with a deflector rod, the deflector rod is arranged in a moving path of the reset rod, and the other end of the reset rod is connected to the ratchet wheel through a connection.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
According to the utility model, the ratchet wheel and the frame structure are changed, the ratchet wheel is newly provided with the limit grooves with the opposite path directions to those of the existing limit grooves, and the two limit grooves are respectively arranged on two sides of the center line of the ratchet wheel due to the opposite path directions, and the distance between the two limit grooves is indicated, so that an example can be dispersed to the two pin shafts when the ratchet wheel rotates, the two pin shafts disperse the force at different positions of the frame, the frame can be effectively prevented from deforming, the frame is separately arranged, the assembly is convenient, the frame plate can be stretched after the front baffle is deformed, the influence on the rear baffle is small, the rear baffle can be continuously used, and the replacement after the deformation is more convenient.
Drawings
Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:
FIG. 1 is a schematic elevational view of an embodiment of the present utility model;
FIG. 2 is a schematic diagram showing a front structure of a front baffle plate according to an embodiment of the present utility model
FIG. 3 is a schematic side elevational view of an embodiment of the present utility model;
Fig. 4 is a schematic view of the structure of the chassis plate of the present utility model.
Wherein reference numerals are as follows:
11. A front baffle; 12. a rear baffle; 13. a chassis plate; 131. a connection hole; 132. an opening;
21. A rope pulley; 22. a pawl; 23. a ratchet wheel; 24. a limit groove; 25. a pin shaft;
3. An electromagnetic push-pull member; 31. a rod body;
41. A trigger lever; 42. a circular arc trigger part; 43. a spring;
5. an electric component; 51. a deflector rod, 52 and a reset rod.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 and 3, the present utility model includes a housing, a speed limiting assembly disposed within the housing, and an electrical component 5 disposed within the housing that controls the electrical structure of the elevator.
The casing includes preceding baffle 11, backplate 12 and two at least chassis boards 13, and preceding baffle 11 and backplate 12 set up respectively in the front and back both ends of speed limiting mechanism, and chassis board 13 sets up between preceding baffle 11 and backplate 12, sets up in speed limiting mechanism's below, and a quantity has two, and the bottom plate of chassis board 13 in this case is the horizontal structure, and the bottom plate of chassis board 13 is limited between preceding baffle 11 and backplate 12, has connecting hole 131 and can connect in the computer lab. The cross section of the underframe plate 13 is of a U-shaped structure, and two side walls of the underframe plate 13 are respectively connected to the front baffle 11 and the rear baffle 12. The center of the bottom of the shell is suspended.
As shown in fig. 4, the bottom of the chassis plate is provided with a connecting hole 131, and one side of the bottom is provided with an opening 132, the connecting hole 131 is used for integrally connecting the shells, and the opening 132 has a certain buffer area and deformation amount when the chassis plate is deformed.
As shown in fig. 2, the speed limiting mechanism comprises a ratchet wheel 23, a rope wheel 21 and a pawl 22 connected to the rope wheel 21, at least two kidney-shaped limiting grooves 24 are arranged on the rope wheel 21, the two limiting grooves 24 are opposite in path direction and are respectively arranged on two sides of a central symmetry line, a distance is reserved between the two limiting grooves, a pin shaft 25 corresponding to the limiting grooves 24 is arranged on the front baffle 11, the pin shaft 25 penetrates through a through hole of the front baffle 11 and extends out of the shell, the pin shaft 25 correspondingly extends into a limiting hole, when overspeed is carried out, the pawl 22 is driven by the rope wheel 21 to abut against a gap of the ratchet wheel 23, so that the rope wheel 21 stops rotating, and then a steel wire rope does not continuously descend, so that a car stops, when the ratchet wheel 23 is driven by the pawl 22, a tiny rotation occurs, the rotation range of the ratchet wheel 23 is limited due to the existence of a limiting rod, and the rotation range is in the path limited by the kidney-shaped hole. In this example, two limiting grooves 24 are provided, so that when the ratchet wheel 23 rotates, force can be dispersed to the front baffle 11 to prevent the front baffle 11 from deforming, and the force can be dispersed more uniformly because the two limiting grooves 24 are spaced.
The shell adopts assembled structure, and after the front baffle 11 takes place deformation, can tensile foundation plate, but less to the influence of backplate 12, can continue to use, it is also more convenient to change after the deformation.
The outer wall of the front baffle 11 is provided with an electromagnetic push-pull member 3, a rod body 31 of the electromagnetic push-pull member 3 penetrates through the front baffle 11 and is connected with one end of a trigger rod 41, and a pawl 22 is arranged in the moving path of the other end of the trigger rod 41. When the electromagnetic push-pull member 3 is electrified in advance during testing, after the electromagnetic push-pull member 3 is electrified, the rod body 31 is retracted to drive the trigger rod 41 to act, the pawl 22 is pushed to act after the trigger rod 41 acts, the ratchet wheel 23 is pushed to act after the pawl 22 acts, and the rope pressing block is driven to press the rope pulley 21 to trigger the safety tongs to act.
The other end of the trigger rod is provided with a circular arc trigger part 42, and in the moving path of the circular arc trigger part 42, the circular arc trigger part 42 can effectively push the pawl 22 to advance without interference and scratch with the pawl 22.
The other end of the trigger lever 41 is connected with a spring 43, and the other end of the spring 43 is connected to the front baffle 11, so that after the elevator push-pull rod does not act or returns, the trigger lever 41 can return under the action of the spring 43 and is not contacted with the pawl 22.
The electric component 5 for controlling the electric structure of the elevator is further arranged in the shell, the switch of the electric component 5 is connected with the deflector rod 51, the deflector rod 51 is arranged in the moving path of the reset rod 52, and the other end of the reset rod 52 is connected to the ratchet wheel 23, so that when overspeed occurs, the electric switch acts, the deflector rod 51 is downward, the electric component 5 of the elevator is closed, the ratchet wheel 23 rotates and then drives the reset rod 52 to prop against the deflector rod 51, if overspeed contacts, the electric switch needs to reset the ratchet wheel 23 firstly, namely, the mechanical structure is reset firstly, and then the electric connection is reset, and the mechanical equipment is guaranteed not to be damaged.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. The utility model provides an electrodynamic type no computer lab elevator overspeed governor, its characterized in that, includes the casing and sets up the speed limiting subassembly in the casing, the speed limiting subassembly includes the rope sheave, sets up pawl on the rope sheave and with pawl assorted ratchet, the casing includes preceding baffle, backplate and two at least chassis boards, set up the spacing groove of two at least waist shapes on the ratchet, two the route opposite direction of spacing groove, preceding baffle corresponds spacing groove position and is provided with the round pin axle, the round pin axle runs through the through-hole of preceding baffle and extends to outside the casing, the round pin axle corresponds to extend to spacing downthehole, the chassis board is U type structure, the both ends of chassis board are connected on preceding baffle and backplate, the unsettled setting in casing bottom center.
2. The electric machine-roomless elevator governor of claim 1, wherein: an electromagnetic push-pull piece is arranged on the outer wall of the front baffle, a rod body of the electromagnetic push-pull piece penetrates through the front baffle and is connected with one end of the trigger rod, and the pawl is arranged in the moving path of the trigger rod.
3. An electric machine-roomless elevator governor as defined in claim 2, wherein: the other end of the trigger rod is provided with a circular arc trigger part, and the pawl is arranged in the moving path of the circular arc trigger part.
4. An electric machine-roomless elevator governor as defined in claim 2, wherein: the other end of the trigger rod is connected with a spring, and the other end of the spring is connected to the front baffle.
5. The electric machine-roomless elevator governor of claim 1, wherein: the bottom of the chassis plate is provided with a connecting hole, and one side of the bottom is provided with an opening.
6. The electric machine-roomless elevator governor of claim 1, wherein: the elevator is characterized in that an electric component for controlling the electric structure of the elevator is further arranged in the shell, a switch of the electric component is connected with a deflector rod, the deflector rod is arranged in a moving path of the reset rod, and the other end of the reset rod is connected to the ratchet wheel through a connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322811055.8U CN221027038U (en) | 2023-10-19 | 2023-10-19 | Electric elevator speed limiter without machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322811055.8U CN221027038U (en) | 2023-10-19 | 2023-10-19 | Electric elevator speed limiter without machine room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221027038U true CN221027038U (en) | 2024-05-28 |
Family
ID=91166168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322811055.8U Active CN221027038U (en) | 2023-10-19 | 2023-10-19 | Electric elevator speed limiter without machine room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221027038U (en) |
-
2023
- 2023-10-19 CN CN202322811055.8U patent/CN221027038U/en active Active
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