CN219652445U - Elevator safety tongs overspeed governor aggregate unit - Google Patents
Elevator safety tongs overspeed governor aggregate unit Download PDFInfo
- Publication number
- CN219652445U CN219652445U CN202320539682.8U CN202320539682U CN219652445U CN 219652445 U CN219652445 U CN 219652445U CN 202320539682 U CN202320539682 U CN 202320539682U CN 219652445 U CN219652445 U CN 219652445U
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- car
- elevator safety
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- fixed mounting
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- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The utility model belongs to the field of elevators, in particular to a speed limiter linkage device of elevator safety tongs, which aims at the existing problems and provides a scheme that a guide rail is provided, a calling car is arranged on the guide rail, fixing blocks are fixedly arranged on two sides of the top of the car, one double screw is rotatably arranged on one side, which is close to the two fixing blocks, of the two double screw, screw sleeves are respectively arranged on two sides of the double screw, a connecting rod is fixedly arranged on the top side of the screw sleeve, safety tongs are fixedly arranged on the top end of the connecting rod, a base is fixedly arranged on the bottom side of the screw sleeve, the bottom end of the base is slidably arranged on the top side of the car, and a fastening sleeve is fixedly arranged on the back side of the car.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to an elevator safety tongs speed limiter linkage device.
Background
The elevator safety tongs device is a safety device which can stop the elevator car in an emergency and clamp the elevator car on the guide rail after the elevator has serious faults such as overspeed, rope breakage and the like under the control of the speed limiter. It provides an effective protection for the safe operation of the elevator, which is generally mounted on the car frame or counterweight frame.
With the proposal of the upward overspeed protection requirement of the car, the bidirectional safety gear is widely used at present. But the linkage pull rod of current safety tongs overspeed governor lifts pulling force little, when the elevator is heavier, can appear lifting force inadequately for the safety tongs can't produce sufficient braking force, has seriously influenced the security of elevator.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an elevator safety gear speed limiter linkage device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an elevator safety tongs overspeed governor aggregate unit, includes the guide rail, install the car on the guide rail, and the equal fixed mounting in top both sides of car has the fixed block, and one side that two fixed blocks are close to each other rotates installs same twin-screw, and the both sides of twin-screw all are equipped with the swivel nut, the top side fixed mounting of swivel nut has the connecting rod, and the top fixed mounting of connecting rod has the safety tongs, the bottom side fixed mounting of swivel nut has the base, and the bottom slidable mounting of base is in the top side of car, the backside fixed mounting of car has the adapter sleeve, and the fixed cylinder that has cup jointed in the adapter sleeve, along equidistant a plurality of serration groove of being equipped with of vertical direction on the output of cylinder, the bottom fixed mounting of car has speed detector.
Preferably, the two safety tongs are respectively contacted with the guide rails at the two sides, and the fixed block is larger than the inner diameter of the screw sleeve.
Preferably, the sliding grooves are formed in two sides of the top of the car, the sliding blocks are slidably mounted in the sliding grooves, and the top sides of the sliding blocks are fixedly mounted on the base.
Preferably, one end of the spring is fixedly connected to the inner wall of one side of the sliding groove, and the other end of the spring is fixedly connected to the sliding block.
Preferably, the center of the double screw is fixedly sleeved with a gear, and the gear is meshed with the sawtooth groove.
Preferably, the speed detector is electrically connected with the cylinder.
In the utility model, the elevator safety gear speed limiter linkage device comprises:
when the elevator car stalls, the speed detector at the bottom of the elevator car can detect the abnormal condition of the elevator, at the moment, the speed detector can control the starting of the air cylinder, the double screw can be operated along with the engagement of the sawtooth groove on the air cylinder and the gear, then the two screw sleeves can move on the double screw, and the tight friction force between the safety tongs and the guide rail can realize the emergency braking of the elevator;
the utility model solves the defects in the prior art, provides enough braking force for the safety tongs, improves the safety of the elevator and meets the demands of people.
Drawings
Fig. 1 is a schematic diagram of a front view of an elevator safety gear speed limiter linkage device according to the present utility model;
fig. 2 is a schematic diagram of a part a of a speed limiter linkage of an elevator safety gear according to the present utility model;
fig. 3 is a schematic diagram of a side view of a cylinder of an elevator safety gear speed limiter linkage device according to the present utility model.
In the figure: 1 guide rail, 2 car, 3 fixed blocks, 4 twin screws, 5 turnbuckle, 6 connecting rod, 7 safety tongs, 8 base, 9 sliding chute, 10 sliding block, 11 spring, 12 fastening sleeve, 13 cylinder, 14 sawtooth slot, 15 gear, 16 speed detector.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, an elevator safety gear speed limiter linkage comprises a guide rail 1, wherein a calling car 2 is installed on the guide rail 1, fixing blocks 3 are fixedly installed on two sides of the top of the car 2, one side, close to each other, of each fixing block 3 is rotatably provided with the same double screw 4, two sides of each double screw 4 are respectively provided with a screw sleeve 5, a connecting rod 6 is fixedly installed on the top side of each screw sleeve 5, a safety gear 7 is fixedly installed on the top end of each connecting rod 6, a base 8 is fixedly installed on the bottom side of each screw sleeve 5, the bottom end of each base 8 is slidably installed on the top side of the car 2, a fastening sleeve 12 is fixedly installed on the back side of the car 2, a cylinder 13 is fixedly sleeved in the fastening sleeve 12, a plurality of saw tooth grooves 14 are arranged on the output end of the cylinder 13 at equal intervals in the vertical direction, and a speed detector 16 is fixedly installed on the bottom of the car 2.
In the utility model, two safety tongs 7 are respectively contacted with guide rails 1 at two sides, the fixed block 3 is larger than the inner diameter of the screw sleeve 5, and the emergency braking of the elevator is realized by utilizing the tight friction force between the safety tongs 7 and the guide rails 1.
In the utility model, both sides of the top of the car 2 are provided with the sliding grooves 9, the sliding grooves 9 are internally provided with the sliding blocks 10, the top sides of the sliding blocks 10 are fixedly arranged on the base 8, and the sliding grooves 9 and the sliding blocks 10 are mutually matched to enable the safety tongs 7 to stably and transversely move.
In the utility model, one end of a spring 11 is fixedly connected to the inner wall of one side of the chute 9, the other end of the spring 11 is fixedly connected to the slide block 10, and the spring 11 can maintain the initial position of the safety tongs 7.
In the utility model, a gear 15 is fixedly sleeved at the center of the double screw 4, and the gear 15 is meshed with the saw tooth groove 14.
In the utility model, a speed detector 16 is electrically connected with a cylinder 13, and the speed detector 16 detects the stall of an elevator to control the cylinder 13 to start emergency braking.
In the utility model, when the car 2 stalls, the speed detector 16 at the bottom of the car 2 detects the abnormal condition of the elevator, at the moment, the speed detector 16 controls the starting of the air cylinder 13, the double screw 4 can be operated along with the engagement of the sawtooth groove 14 on the air cylinder 13 and the gear 15, then the two screw sleeves 5 can move on the double screw 4, and the tight friction force between the safety gear 7 and the guide rail 1 can realize the emergency braking of the elevator.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides an elevator safety tongs overspeed governor aggregate unit, includes guide rail (1), its characterized in that, install car (2) on guide rail (1), and the equal fixed mounting in top both sides of car (2) has fixed block (3), and one side that two fixed blocks (3) are close to each other rotates and installs same twin-screw (4), and the both sides of twin-screw (4) all are equipped with swivel nut (5), the top side fixed mounting of swivel nut (5) has connecting rod (6), and the top fixed mounting of connecting rod (6) has safety tongs (7), the bottom side fixed mounting of swivel nut (5) has base (8), and the bottom slidable mounting of base (8) is in the top side of car (2), the back side fixed mounting of car (2) has adapter sleeve (12), and adapter sleeve (12) internal fixation cup joints cylinder (13), is equipped with a plurality of sawtooth groove (14) along vertical direction equidistant on the output of cylinder (13), the bottom fixed mounting of car (2) has speed detector (16).
2. Elevator safety gear speed limiter linkage according to claim 1, characterized in that the two safety gears (7) are in contact with the guide rails (1) on both sides respectively, and the fixed block (3) is larger than the inner diameter of the screw sleeve (5).
3. The elevator safety gear speed limiter linkage device according to claim 1, wherein sliding grooves (9) are formed in two sides of the top of the car (2), a sliding block (10) is mounted in the sliding grooves (9) in a sliding mode, and the top side of the sliding block (10) is fixedly mounted on the base (8).
4. An elevator safety gear speed limiter linkage according to claim 3, characterized in that one end of a spring (11) is fixedly connected to the inner wall of one side of the chute (9), and the other end of the spring (11) is fixedly connected to the slider (10).
5. The elevator safety gear speed limiter linkage device according to claim 1, wherein a gear (15) is fixedly sleeved at the center of the double screw (4), and the gear (15) is meshed with the sawtooth groove (14).
6. An elevator safety gear governor linkage according to claim 1, characterized in that the speed detector (16) is electrically connected to the cylinder (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320539682.8U CN219652445U (en) | 2023-03-20 | 2023-03-20 | Elevator safety tongs overspeed governor aggregate unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320539682.8U CN219652445U (en) | 2023-03-20 | 2023-03-20 | Elevator safety tongs overspeed governor aggregate unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219652445U true CN219652445U (en) | 2023-09-08 |
Family
ID=87861708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320539682.8U Active CN219652445U (en) | 2023-03-20 | 2023-03-20 | Elevator safety tongs overspeed governor aggregate unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219652445U (en) |
-
2023
- 2023-03-20 CN CN202320539682.8U patent/CN219652445U/en active Active
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