CN211998337U - Progressive safety tongs of elevator - Google Patents
Progressive safety tongs of elevator Download PDFInfo
- Publication number
- CN211998337U CN211998337U CN202020211740.0U CN202020211740U CN211998337U CN 211998337 U CN211998337 U CN 211998337U CN 202020211740 U CN202020211740 U CN 202020211740U CN 211998337 U CN211998337 U CN 211998337U
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- safety
- safety gear
- elevator
- safety tongs
- needle roller
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Abstract
The utility model discloses a progressive safety gear of elevator relates to safety gear technical field, specifically is a progressive safety gear of elevator, including the safety gear body, the inside fixed mounting of the safety gear body has the fastening steel wire winding, the inside of the safety gear body is provided with the brake pads that are located fastening steel wire winding one side, the bottom fixedly connected with elastic block of the safety gear body, the outside fixed mounting of the safety gear body has the safety gear lateral wall. This progressive safety tongs of elevator through the oblique setting in the safety tongs body outside, can make the safety tongs body pass through fixed voussoir fixedly connected with bearing pin, and then be convenient for carry out fixed connection between the safety tongs body and the bearing pin, has increased the area of contact of bearing pin guide and the inside sliding tray of sliding wedge simultaneously, reaches the effect that increases device stability, has solved the loaded down with trivial details problem of current device to the installation between sliding wedge and the bearing pin guide.
Description
Technical Field
The utility model relates to a safety tongs technical field specifically is a progressive safety tongs of elevator.
Background
The progressive safety tongs are a safety protection device for elevator operation, are arranged on an elevator car frame or a counterweight frame, are used for emergently stopping the elevator car and clamping the elevator car on an elevator guide rail when serious faults such as overspeed, rope breakage and the like occur in the elevator, are fixed with sliding wedge blocks and brake blocks in the safety tongs, and pass through the elevator guide rail between the sliding wedge blocks and the brake blocks.
When the elevator cage is in a normal running state, the sliding wedge block is positioned at the lowest part, and a certain distance is reserved between the clamping surface of the sliding wedge block and the guide rail. When the elevator car falls down fast and the speed reaches the running speed set by the speed limiter, the safety tongs start to act, the speed limiter lifts the sliding wedge block through the lifting transmission mechanism until the clamping surface of the sliding wedge block and the clamping surface of the brake block firmly clamp the elevator guide rail, so that the elevator car stops moving, however, the installation process of the sliding block in the conventional safety tongs is complicated, the manufacturing cost is high, in addition, the conventional guide rail is generally assembled, and the problem that the conventional guide rail is easily damaged under a high-pressure state is solved, and therefore, the progressive safety tongs for the elevator are developed and researched.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a progressive safety tongs of elevator 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 progressive safety gear of elevator, includes the safety gear body, the inside fixed mounting of the safety gear body has the fastening steel wire winding, the inside of the safety gear body is provided with the brake pads that are located fastening steel wire winding one side, the bottom fixedly connected with elastic block of the safety gear body, the outside fixed mounting of the safety gear body has the safety gear lateral wall, the inside of the safety gear body is provided with the fixed voussoir that is located safety gear lateral wall inboard, the inside of the safety gear body is provided with the slip voussoir, the inside fixed mounting of the safety gear body has the bearing pin guide that is located fixed voussoir inside.
Optionally, the elastic block is made of elastic plastic, and the bottom end of the elastic block is higher than the bottom end of the connecting rod.
Optionally, the outer side of the sliding wedge is an inclined plate, the outer side of the sliding wedge is fixedly provided with a sliding groove, and the bottom of the sliding wedge is fixedly connected with a connecting rod.
Optionally, the needle roller guide rail is composed of a bottom plate, a side plate and a flange, the top of the needle roller guide rail is a hollow groove, a backing plate located at the top of the bottom plate is arranged inside the needle roller guide rail, and a needle roller plate is fixedly mounted above the backing plate.
Optionally, the sliding groove is inclined downward, the sliding groove is disposed inside the needle roller guide, and the sliding groove is adapted to the needle roller plate inside the needle roller guide.
Optionally, the inside of connecting rod is provided with the hollow hole, the top fixed mounting of connecting rod has the threaded rod, and the connecting rod has the bearing guide through threaded rod threaded connection.
The utility model provides a progressive safety tongs of elevator possesses following beneficial effect:
1. this progressive safety tongs of elevator through the oblique setting in the safety tongs body outside, can make the safety tongs body pass through fixed voussoir fixedly connected with bearing pin, and then be convenient for carry out fixed connection between the safety tongs body and the bearing pin, has increased the area of contact of bearing pin guide and the inside sliding tray of sliding wedge simultaneously, reaches the effect that increases device stability, has solved the loaded down with trivial details problem of current device to the installation between sliding wedge and the bearing pin guide.
2. This progressive safety tongs of elevator, through the inside turn-ups's of bearing guide setting, can carry out the joint with the inside turn-ups of bearing guide and slip voussoir, recycle the inside bearing plate of bearing guide and the sliding tray in the slip voussoir outside and carry out the joint, reach the effect of carrying out the stable connection to the device, in addition, through the setting of bearing plate bottom backing plate, can reduce the stability of increasing the device when the elevator reduces, the durability of device has been increased, the problem that the current device is fragile has been solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the needle roller guide of the present invention in side view;
fig. 3 is a schematic structural view of the sliding wedge of the present invention.
In the figure: 1. a safety clamp body; 2. a brake pad; 3. fastening a steel wire ring; 4. an elastic block; 5. a safety gear side wall; 6. fixing the wedge block; 7. sliding the wedge; 8. a needle roller guide rail; 9. a connecting rod; 10. a base plate; 11. Flanging; 12. a side plate; 13. a needle rolling plate; 14. a base plate; 15. a sliding groove.
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 3, the present invention provides a technical solution: a progressive safety gear of an elevator comprises a safety gear body 1, wherein an elastic block 4 is made of elastic plastic, the height of the bottom end of the elastic block 4 is higher than that of the bottom end of a connecting rod 9, the arrangement of the elastic block 4 can reduce vibration generated by the device when the safety gear body 1 descends, and further the stability of the device is improved, so that the problem of poor stability of the existing device is solved, a fastening steel wire ring 3 is fixedly arranged inside the safety gear body 1, a brake block 2 positioned on one side of the fastening steel wire ring 3 is arranged inside the safety gear body 1, the bottom of the safety gear body 1 is fixedly connected with the elastic block 4, a safety gear side wall 5 is fixedly arranged on the outer side of the safety gear body 1, a fixed wedge block 6 positioned on the inner side of the safety gear side wall 5 is arranged inside the safety gear body 1, a sliding wedge block 7 is arranged inside the safety gear body 1, an inclined plate is arranged on the outer side of the sliding, the sliding groove 15 is downward inclined, the sliding groove 15 is placed inside the needle roller guide rail 8, the sliding groove 15 is matched with the needle roller plate 13 inside the needle roller guide rail 8, the arrangement of the sliding groove 15 and the needle roller plate 13 is convenient for the sliding wedge 7 to slide inside the needle roller guide rail 8 under the action of the lifting mechanism, the device is convenient for forcibly suspending the elevator, the practicability of the device is increased, the bottom of the sliding wedge 7 is fixedly connected with the connecting rod 9, the inside of the connecting rod 9 is provided with a hollow hole, the top end of the connecting rod 9 is fixedly provided with a threaded rod, the connecting rod 9 is in threaded connection with the needle roller guide rail 8 through the threaded rod, the arrangement of the hollow hole inside the connecting rod 9 is convenient for the connecting rod 9 to be fixedly connected with the lifting mechanism, the usability of the device is increased, the threaded rod at the top of the connecting rod 9 can be conveniently in threaded connection with the sliding wedge 7, the arrangement of a connecting rod 9 at the bottom of the sliding wedge 7 is convenient for a speed limiter control lifting mechanism to exert pulling force on the sliding wedge 7, so that the sliding wedge 7 moves on the needle roller guide rail 8, a self-locking effect is achieved, the elevator is convenient to suspend forcibly, a needle roller guide rail 8 positioned in the fixed wedge 6 is fixedly arranged in the safety clamp body 1, the needle roller guide rail 8 consists of a bottom plate 10, a side plate 12 and a flanging 11, the top of the needle roller guide rail 8 is a hollow groove, a backing plate 14 positioned at the top of the bottom plate 10 is arranged in the needle roller guide rail 8, a needle roller plate 13 is fixedly arranged above the backing plate 14, the side plate 12 and the flanging 11 are of an integrated structure, the stability of the needle roller guide rail 8 is convenient to increase, the needle roller guide rail 8 is convenient to be clamped with the sliding wedge 7 due to the arrangement of the bottom, the safety clamp body 1 can be used for forcibly suspending the elevator.
In summary, when the elevator progressive safety tongs are used, when the elevator is in a normal running state, the safety tongs body 1 is not moved, the sliding wedge 7 is located at the lowest part, gaps are formed among the sliding wedge 7, the brake block 2 and the elevator guide rail at the moment, when the elevator is in a fault, the elevator car quickly drops and the speed reaches the running speed set by the speed governor, the speed governor is started, the safety tongs body 1 starts to act at the moment, the speed governor lifts the sliding wedge 7 through the lifting transmission mechanism, the sliding wedge 7 moves upwards along the needle roller guide rail 8, the clamping surface, namely the inner side surface, of the sliding wedge 7 is in contact with the elevator guide rail, and the elevator car can be stopped by friction and self-locking.
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 (6)
1. The utility model provides a progressive safety gear of elevator, includes the safety gear body (1), its characterized in that: the inside fixed mounting of the safety tongs body (1) has fastening steel wire ring (3), the inside of the safety tongs body (1) is provided with brake block (2) that is located fastening steel wire ring (3) one side, the bottom fixed connection of the safety tongs body (1) has elastic block (4), the outside fixed mounting of the safety tongs body (1) has safety tongs lateral wall (5), the inside of the safety tongs body (1) is provided with fixed voussoir (6) that are located safety tongs lateral wall (5) inboard, the inside of the safety tongs body (1) is provided with slip voussoir (7), the inside fixed mounting of the safety tongs body (1) has bearing roller guide (8) that are located fixed voussoir (6) inside.
2. A progressive elevator safety gear according to claim 1, characterized in that: the elastic block (4) is made of elastic plastic.
3. A progressive elevator safety gear according to claim 1, characterized in that: the outer side of the sliding wedge block (7) is an inclined plate, the outer side of the sliding wedge block (7) is fixedly provided with a sliding groove (15), and the bottom of the sliding wedge block (7) is fixedly connected with a connecting rod (9).
4. A progressive elevator safety gear according to claim 1, characterized in that: the needle roller guide rail (8) is composed of a bottom plate (10), side plates (12) and flanges (11), the top of the needle roller guide rail (8) is a hollow groove, a backing plate (14) located at the top of the bottom plate (10) is arranged inside the needle roller guide rail (8), and a needle roller plate (13) is fixedly mounted above the backing plate (14).
5. A progressive elevator safety gear according to claim 3, characterized in that: the sliding groove (15) is downward inclined, the sliding groove (15) is placed in the needle roller guide rail (8), and the sliding groove (15) is matched with the needle roller plate (13) in the needle roller guide rail (8).
6. A progressive elevator safety gear according to claim 3, characterized in that: the inside of connecting rod (9) is provided with the hollow hole, the top fixed mounting of connecting rod (9) has the threaded rod, and connecting rod (9) have bearing guide (8) through threaded rod threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020211740.0U CN211998337U (en) | 2020-02-26 | 2020-02-26 | Progressive safety tongs of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020211740.0U CN211998337U (en) | 2020-02-26 | 2020-02-26 | Progressive safety tongs of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211998337U true CN211998337U (en) | 2020-11-24 |
Family
ID=73424368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020211740.0U Expired - Fee Related CN211998337U (en) | 2020-02-26 | 2020-02-26 | Progressive safety tongs of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211998337U (en) |
-
2020
- 2020-02-26 CN CN202020211740.0U patent/CN211998337U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 Termination date: 20210226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |