CN213864906U - Rat-proof speed limiter steel wire rope tensioning device - Google Patents
Rat-proof speed limiter steel wire rope tensioning device Download PDFInfo
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- CN213864906U CN213864906U CN202023075288.9U CN202023075288U CN213864906U CN 213864906 U CN213864906 U CN 213864906U CN 202023075288 U CN202023075288 U CN 202023075288U CN 213864906 U CN213864906 U CN 213864906U
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- wire rope
- steel wire
- protective cover
- guide rod
- mounting bracket
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Abstract
The utility model discloses a rat-proof speed limiter steel wire rope tensioning device, which comprises a tensioning wheel, a rotating shaft, a mounting bracket, a protective cover, a counterweight and a guide rod; the tension wheel is rotationally connected with the rotating shaft and is arranged on the front side surface of the mounting bracket through the rotating shaft; the protective cover covers the outer side of the tension wheel, and both ends of the top surface of the protective cover are provided with steel wire passage openings; a semicircular bent plate is arranged on the inner wall of the rear side of the protective cover, the semicircular bent plate is positioned below the tension wheel, and the counterweight is connected with the front side surface of the mounting bracket; one end of the guide rod is connected with the rear side surface of the mounting bracket, and the other end of the guide rod is connected with the elevator guide rail. The protection casing is set up to protection against rodents overspeed governor wire rope rises and tightly installs, prevents that the mouse from getting into the inside that rises and tightly takes turns, and then prevents that the mouse from destroying the inner structure that protection against rodents overspeed governor wire rope rises and tightly installs, perhaps the condition that the mouse disturbed the operation of protection against rodents overspeed governor wire rope and rises and tightly install, avoids unable effective trigger overspeed governor when dangerous, arouses the problem of incident.
Description
Technical Field
The utility model relates to an elevator rises and tightly installs the field, especially relates to a protection against rodents overspeed governor wire rope rises and tightly installs.
Background
The main safety protection device of the elevator speed limiter is wound on a rope wheel of the speed limiter through a steel wire rope in use and is connected with a lifting device of a safety gear to play a role, when the elevator exceeds the speed, the protection device of the speed limiter is triggered to block the rope wheel of the speed limiter, the steel wire rope slips on the rope wheel after the rope wheel is blocked, the safety gear is lifted through the sliding friction force, so that the safety gear is blocked on an elevator guide rail, and the elevator car is stopped to protect the personal safety of elevator passengers.
The environment is dark in the elevartor shaft, and suitable mouse hides, and among the current overspeed governor tight device structure that rises, the guide bracket can not carry out fine protection to the tight pulley that rises, and the tight pulley that rises exposes in the elevartor shaft. If the mouse gets into the tight device that rises, can influence the operation that rises of tight device, probably lead to can't effectively trigger the overspeed governor when dangerous, arouse the problem of incident.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a protection against rodents overspeed governor rises and tightly installs to solve above-mentioned problem.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a rat-proof speed limiter steel wire rope tensioning device, which comprises a tensioning wheel, a rotating shaft, a mounting bracket, a protective cover, a counterweight and a guide rod;
the tension wheel is rotatably connected with the rotating shaft and is arranged on the front side surface of the mounting bracket through the rotating shaft;
the protective cover covers the outer side of the tension wheel, and steel wire passage openings are formed in two ends of the top surface of the protective cover; a semicircular bent plate is arranged on the inner wall of the rear side of the protective cover and is positioned below the tension wheel, one end of the semicircular bent plate is connected with the inner wall of the left side of the protective cover, and the other end of the semicircular bent plate is connected with the inner wall of the left side of the protective cover;
the counterweight part is connected with the front side surface of the mounting bracket and is positioned below the protective cover;
one end of the guide rod is connected with the rear side face of the mounting bracket, and the other end of the guide rod is connected with the elevator guide rail.
The rat-proof speed limiter steel wire rope tensioning device also comprises a rubber clapboard; the rubber partition plate is provided with through holes matched with the steel wire, and the rubber partition plate is detachably connected to the steel wire passage opening.
In the rat-proof speed limiter steel wire rope tensioning device, a left limiting coaming and a right limiting coaming are respectively arranged at the left end and the right end of the mounting bracket; the left limiting enclosing plate is provided with a first limiting hole, and the right limiting enclosing plate is provided with a second limiting hole corresponding to the first limiting hole;
the guide rod sequentially penetrates through the first limiting hole and the second limiting hole; the guide rod is provided with a first fixing piece and a second fixing piece; the first fixing piece and the guide rod are connected to the left side of the left limiting enclosing plate, and the second fixing piece and the guide rod are connected to the right side of the right limiting enclosing plate.
The rat-proof speed limiter steel wire rope tensioning device further comprises a tensioning state sensing assembly, and the tensioning state sensing assembly comprises a safety contact switch and a baffle plate;
the safety contact switch is connected to the guide rod and is positioned between the left limiting enclosing plate and the right limiting enclosing plate; the baffle is connected to the rear side of installing support, just the baffle is located directly over the safety contact switch.
In the rat-proof speed limiter steel wire rope tensioning device, the tensioning wheel comprises a tensioning ring, a bearing and a waterproof sealing ring;
a mounting hole is formed in the center of the tensioning ring, the rotating end of the bearing is connected into the mounting hole, and the fixed end of the bearing is fixedly connected with the mounting bracket; the waterproof sealing ring penetrates through the fixed end of the bearing and is embedded in the mounting hole, and the waterproof sealing ring is located on the outer side of the rotating end of the bearing.
In the rat-proof speed governor steel wire rope tensioning device, one side of the waterproof sealing ring, which faces away from the bearing, is provided with a plurality of grooves, and the grooves are circumferentially distributed by taking the center of the waterproof sealing ring as an axis.
In the rat-proof speed limiter steel wire rope tensioning device, a plurality of radiating holes are formed in the front side face of the protective cover.
Protection against rodents overspeed governor wire rope rises and tightly installs and can have following beneficial effect:
protection against rodents overspeed governor wire rope rises and tightly installs through setting up the protection casing, prevents that the mouse from getting into the inside that rises and tightly takes turns, and then prevents that the mouse from destroying the inner structure that protection against rodents overspeed governor wire rope rises and tightly installs, perhaps the mouse disturbs the condition that protection against rodents overspeed governor wire rope rises and tightly installs the function, avoids unable effectively triggering the overspeed governor when dangerous, arouses the problem of incident.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the other side of the embodiment of FIG. 1;
fig. 3 is a schematic structural view of a protection cover and a tension roller according to an embodiment of the present invention;
FIG. 4 is a schematic view of a usage status of one embodiment of the present invention;
in the drawings: the device comprises a rotating shaft 1, a mounting bracket 2, a protective cover 3, a counterweight 4 and a guide rod 5; a speed reducer 6, a steel wire rope 7 and an elevator guide rail 8;
a tensioning ring 11 and a waterproof sealing ring 12; a left limit coaming 21 and a right limit coaming 22; a safety contact switch 23, a shutter 24; a steel wire passage port 31, a semicircular bent plate 32, a rubber partition plate 33 and a heat dissipation hole 34; a first fixing member 51 and a second fixing member 52;
a groove 121; a first stopper hole 211 and a second stopper hole 221; and a perforation 331.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship shown in the drawings, merely for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, the utility model provides a rat-proof speed limiter steel wire rope tensioning device, which comprises a tensioning wheel, a rotating shaft 1, a mounting bracket 2, a protective cover 3, a counterweight 4 and a guide rod 5;
the tension wheel is rotationally connected with the rotating shaft 1 and is arranged on the front side surface of the mounting bracket 2 through the rotating shaft 1;
the protective cover 3 covers the outer side of the tension wheel, and two ends of the top surface of the protective cover 3 are provided with steel wire passage openings 31; a semicircular bent plate 32 is arranged on the inner wall of the rear side of the protective cover 3, the semicircular bent plate 32 is positioned below the tension wheel, one end of the semicircular bent plate 32 is connected with the inner wall of the left side of the protective cover 3, and the other end of the semicircular bent plate 32 is connected with the inner wall of the left side of the protective cover 3;
the counterweight 4 is connected with the front side surface of the mounting bracket 2 and is positioned below the protective cover 3;
one end of the guide rod 5 is connected with the rear side surface of the mounting bracket 2, and the other end of the guide rod 5 is connected with an elevator guide rail 8.
Referring to fig. 2 and 4, in practical applications, the steel wire rope 7 is wound around the outer side of the tensioning wheel in the speed governor rope pulley and the rat-proof speed governor rope tensioning device, two ends of the steel wire rope 7 are connected with the safety gear connecting rod on the car frame, and the running speed of the car is transmitted to the speed governor rope pulley through the steel wire rope 7. The working principle of the overspeed governor and the rat-proof overspeed governor wire rope tensioning device can refer to the existing overspeed governor and tensioning device: when the elevator overspeed reaches a limit value, the speed limiter brakes immediately, and as the car continues to move downwards, the steel wire rope 7 pulls the connecting rod of the safety gear to clamp the safety gear on the guide rail so as to brake the car. The rat-proof speed limiter steel wire rope tensioning device plays a role in tensioning the steel wire rope 7, the rotation stability of the rope wheel is ensured, and the situation that the safety tongs cannot be triggered due to the fact that the rope wheel slips from the steel wire rope 7 is avoided.
Protection against rodents overspeed governor wire rope rises and tightly installs through setting up protection casing 3, prevents that the mouse from getting into the inside that rises and tightly takes turns, and then prevents that the mouse from destroying the internal structure that protection against rodents overspeed governor wire rope rises and tightly installs, perhaps the mouse disturbs the condition that the protection against rodents overspeed governor wire rope rises and tightly installs the function, avoids unable effectively triggering the overspeed governor when dangerous, arouses the problem of incident.
Referring to fig. 3, in addition, the inner wall of the protection cover 3 is further provided with a semicircular bent plate 32, and the semicircular bent plate 32 not only prevents rats from entering the interior of the protection cover 3, but also prevents the steel wire rope 7 from coming off from the protection cover 3, and prevents the steel wire rope 7 from extending out of the protection cover 3 and hooking other structures, which affects the tension of the steel wire rope 7 and causes the problem that the safety gear cannot be normally triggered. Compared with a straight plate, the distance between the two ends of the steel wire rope 7 and the semicircular bent plate 32 is closer to the distance between the steel wire rope 7, the volume inside the protective cover 3 is smaller, and the problem that the steel wire rope 7 is entangled when the steel wire rope 7 is loosened completely is avoided.
Specifically, the rat-proof speed governor steel wire rope tensioning device further comprises a rubber partition plate 33; the rubber partition 33 is provided with a through hole 331 adapted to the steel wire, and the rubber partition 33 is detachably connected to the steel wire passage port 31.
Specifically, a left limiting coaming 21 and a right limiting coaming 22 are respectively arranged at the left end and the right end of the mounting bracket 2; the left limiting enclosing plate 21 is provided with a first limiting hole 211, and the right limiting enclosing plate 22 is provided with a second limiting hole 221 corresponding to the first limiting hole 211;
the guide rod 5 sequentially penetrates through the first limiting hole 211 and the second limiting hole 221; the guide rod 5 is provided with a first fixing piece 51 and a second fixing piece 52; the first fixing part 51 and the guide rod 5 are connected to the left side of the left limiting enclosing plate 21, and the second fixing part 52 and the guide rod 5 are connected to the right side of the right limiting enclosing plate 22.
Specifically, the rat-proof speed governor steel wire rope tensioning device further comprises a tensioning state sensing assembly, wherein the tensioning state sensing assembly comprises a safety contact switch 23 and a baffle 24;
the safety contact switch 23 is connected to the guide rod 5, and the safety contact switch 23 is located between the left limiting enclosing plate 21 and the right limiting enclosing plate 22; the baffle 24 is connected to the rear side surface of the mounting bracket 2, and the baffle 24 is located right above the safety contact switch 23.
If fracture appears in the overspeed governor rope in the use or when unable normal performance is used because length is too big, huge potential safety hazard will exist in the elevator operation, takes place in order to avoid this kind of condition, the utility model discloses set up tensioning state sensing assembly for detect the tensioning condition of wire rope 7 in the overspeed governor system, provide the assurance for the normal trigger of safety tongs.
The other end of the guide rod 5 is connected to the elevator guide rail 8, so that the position of the guide rod 5 is fixed. In a normal state, the counterweight 4 applies a downward pulling force to the mounting bracket 2, so that the tension pulley pulls the steel wire rope 7, and the tension pulley tensions the steel wire rope 7; meanwhile, the steel wire rope 7 applies a reaction force to the tension pulley, so that the tension pulley mounting bracket 2 is lifted, and the bottom surface of the guide rod 5 abuts against the lower edges of the first limiting hole 211 and the second limiting hole 221.
When the steel wire rope 7 is loosened, the length of the steel wire rope 7 is lengthened under the pulling force of the counterweight 4; the mounting bracket 2 moves downwards relative to the guide rod 5, and the positions of the guide rod 5 in the first limiting hole 211 and the second limiting hole 221 are changed; as the steel wire rope 7 continues to loosen, the top surface of the guide rod 5 gradually approaches the upper edges of the first limiting hole 211 and the second limiting hole 221; when the top surface of the guide rod 5 gradually contacts with the upper edges of the first limiting hole 211 and the second limiting hole 221, or the steel wire rope 7 is directly disconnected, the baffle 24 collides with the safety contact switch 23 to trigger the safety contact switch 23, so that the safety contact switch 23 controls the elevator to stop running, the elevator is prevented from running continuously under the state that the steel wire rope 7 is loosened or disconnected, and the safety of the elevator is ensured.
The first fixing piece 51 and the second fixing piece 52 play a role in limiting the transverse movement of the mounting bracket 2, and the problem that the installation bracket 2 is separated from the guide rod 5 in the working process of the rat-proof speed governor steel wire rope tensioning device, so that the rat-proof speed governor steel wire rope tensioning device is structurally damaged is solved.
Referring to fig. 3, further, the tension wheel includes a tension ring 11, a bearing and a waterproof sealing ring 12; a mounting hole is formed in the center of the tension ring 11, the rotating end of the bearing is connected to the mounting hole, and the fixed end of the bearing is fixedly connected with the mounting bracket 2; the waterproof sealing ring 12 penetrates through the fixed end of the bearing and is embedded in the mounting hole, and the waterproof sealing ring 12 is located on the outer side of the rotating end of the bearing.
The rat-proof speed limiter steel wire rope tensioning device is located at the bottom of an elevator, the tensioning ring 11 and a bearing are prone to being affected with damp, the corrosion condition can occur, and the bearing is further prone to being abnormally sounded. And the waterproof sealing ring 12 plays a role in isolating the contact between the bearing and water, so that the corrosion of the bearing is avoided, and the abnormal sound of the bearing is reduced.
Furthermore, one side of the waterproof sealing ring 12, which faces away from the bearing, is provided with a plurality of grooves 121, and the grooves 121 are circumferentially distributed by taking the center of the waterproof sealing ring 12 as an axis.
So set up, maintenance personal accessible recess 121 centre gripping waterproof sealing ring 12 to extract waterproof sealing ring 12 from the mounting hole, the maintenance personal of being convenient for carries out the operation of maintenance or maintenance.
Preferably, the front side of the protection cover 3 is provided with a plurality of heat dissipation holes 34. The source of the rotating force of the tension pulley is the friction force generated between the steel wire rope 7 and the rope groove, and in the rotating process, larger heat is generated, and the heat dissipation holes 34 play a role in heat dissipation, so that the problem that the heat is accumulated on the protective cover 3 and is difficult to drain away is solved. In the embodiment, the heat dissipation holes 34 have the same radius and are distributed in a matrix.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive efforts, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (7)
1. The utility model provides a protection against rodents overspeed governor wire rope rises and tightly installs which characterized in that: comprises a tension wheel, a rotating shaft, a mounting bracket, a protective cover, a counterweight and a guide rod;
the tension wheel is rotatably connected with the rotating shaft and is arranged on the front side surface of the mounting bracket through the rotating shaft;
the protective cover covers the outer side of the tension wheel, and steel wire passage openings are formed in two ends of the top surface of the protective cover; a semicircular bent plate is arranged on the inner wall of the rear side of the protective cover and is positioned below the tension wheel, one end of the semicircular bent plate is connected with the inner wall of the left side of the protective cover, and the other end of the semicircular bent plate is connected with the inner wall of the left side of the protective cover;
the counterweight part is connected with the front side surface of the mounting bracket and is positioned below the protective cover;
one end of the guide rod is connected with the rear side face of the mounting bracket, and the other end of the guide rod is connected with the elevator guide rail.
2. The rat-proof speed limiter steel wire rope tensioning device according to claim 1, characterized in that: the rubber partition plate is also included; the rubber partition plate is provided with through holes matched with the steel wire, and the rubber partition plate is detachably connected to the steel wire passage opening.
3. The rat-proof speed limiter steel wire rope tensioning device according to claim 1, characterized in that: the left end and the right end of the mounting bracket are respectively provided with a left limiting coaming and a right limiting coaming; the left limiting enclosing plate is provided with a first limiting hole, and the right limiting enclosing plate is provided with a second limiting hole corresponding to the first limiting hole;
the guide rod sequentially penetrates through the first limiting hole and the second limiting hole; the guide rod is provided with a first fixing piece and a second fixing piece; the first fixing piece and the guide rod are connected to the left side of the left limiting enclosing plate, and the second fixing piece and the guide rod are connected to the right side of the right limiting enclosing plate.
4. The rat-proof speed limiter steel wire rope tensioning device according to claim 3, characterized in that: the tension state sensing assembly comprises a safety contact switch and a baffle;
the safety contact switch is connected to the guide rod and is positioned between the left limiting enclosing plate and the right limiting enclosing plate; the baffle is connected to the rear side of installing support, just the baffle is located directly over the safety contact switch.
5. The rat-proof speed limiter steel wire rope tensioning device according to claim 1, characterized in that: the tension wheel comprises a tension ring, a bearing and a waterproof sealing ring;
a mounting hole is formed in the center of the tensioning ring, the rotating end of the bearing is connected into the mounting hole, and the fixed end of the bearing is fixedly connected with the mounting bracket; the waterproof sealing ring penetrates through the fixed end of the bearing and is embedded in the mounting hole, and the waterproof sealing ring is located on the outer side of the rotating end of the bearing.
6. The rat-proof speed limiter steel wire rope tensioning device according to claim 5, characterized in that: one side of the waterproof sealing ring back to the bearing is provided with a plurality of grooves, and the grooves are circumferentially distributed by taking the center of the waterproof sealing ring as an axis.
7. The rat-proof speed limiter steel wire rope tensioning device according to claim 1, characterized in that: the front side of the protective cover is provided with a plurality of heat dissipation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023075288.9U CN213864906U (en) | 2020-12-18 | 2020-12-18 | Rat-proof speed limiter steel wire rope tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023075288.9U CN213864906U (en) | 2020-12-18 | 2020-12-18 | Rat-proof speed limiter steel wire rope tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213864906U true CN213864906U (en) | 2021-08-03 |
Family
ID=77069329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023075288.9U Active CN213864906U (en) | 2020-12-18 | 2020-12-18 | Rat-proof speed limiter steel wire rope tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213864906U (en) |
-
2020
- 2020-12-18 CN CN202023075288.9U patent/CN213864906U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GUANGDONG HUAKAI ELEVATOR Co.,Ltd. Assignor: GUANGDONG HUAHUI ELEVATOR COMPONENTS CO.,LTD. Contract record no.: X2022980000310 Denomination of utility model: A wire rope tensioning device for rat proof speed governor Granted publication date: 20210803 License type: Common License Record date: 20220114 |