CN211871087U - Elevator safety gear braking execution structure - Google Patents
Elevator safety gear braking execution structure Download PDFInfo
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- CN211871087U CN211871087U CN201921409566.4U CN201921409566U CN211871087U CN 211871087 U CN211871087 U CN 211871087U CN 201921409566 U CN201921409566 U CN 201921409566U CN 211871087 U CN211871087 U CN 211871087U
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- screw rod
- wire rope
- tension adjusting
- lead screw
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Abstract
The utility model discloses an elevator safety tongs braking execution structure, including left tension adjusting nut, left tension lead screw, left tension spring, left safety tongs, actuating mechanism wire rope, left pulley, wire rope hoisting device, brake handle, right pulley, right safety tongs, right tension spring, right tension lead screw, right tension adjusting nut, wire rope hoisting handle pull rod, elevator overspeed governor, left tension adjusting lead screw support, right tension adjusting lead screw support, left portal frame stand, right portal frame stand, left tension adjusting lead screw support, right tension adjusting lead screw support install respectively in left portal frame stand, right portal frame stand. The elevator safety gear braking executing structure uses a large enough executing mechanism steel wire rope to replace the prior operating rod, crankshaft, connecting rod and other structures; the characteristic that the steel wire rope of the actuating mechanism can be continuously bent and hoisted is utilized, and the left safety gear and the right safety gear can act simultaneously.
Description
Technical Field
The utility model relates to an elevator technical field specifically is an elevator safety tongs braking execution structure.
Background
The elevator safety gear is an elevator car falling prevention device, and is a protection device for preventing dangerous faults such as falling when an elevator is out of control and overspeed or falling when a steel wire rope is disconnected from being out of control and overspeed when the elevator is prevented from generating brake moment failure. The existing low-speed instantaneous safety driving mechanism has the defects that the performance is 1, and the structure is more complex; 2. the installation occupies a large space; 3. the left safety gear and the right safety gear are difficult to synchronously adjust and cannot be automatically adjusted; 4. the reset torque is insufficient after the jaw is actuated; 5. there is no uplink activity, and only the downlink region is active. Especially, when the demand of the home elevator is increased suddenly and the floor height of the home elevator is limited according to the characteristic that the floors of villas and private residents are not high, the installation space of the safety gear is very important. In view of the above-mentioned drawbacks of the prior art, there is a need for further improvement to make it more practical to meet the actual use situation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a braking executing structure of elevator safety tongs, which solves the problems that the existing low-speed instantaneous safety driving mechanism proposed in the background technology has the defects of 1, more complex structure, 2 and larger installation occupation space; 3. the left safety gear and the right safety gear are difficult to synchronously adjust and cannot be automatically adjusted; 4. the reset torque is insufficient after the jaw is actuated; 5. the problem that the operation is effective only in the downlink region without the uplink operation.
In order to achieve the above object, the utility model provides a following technical scheme: a brake execution structure of an elevator safety gear comprises a left tension adjusting nut, a left tension screw rod, a left tension spring, a left safety gear, an execution mechanism steel wire rope, a left pulley, a steel wire rope winding device, a brake handle, a right pulley, a right safety gear, a right tension spring, a right tension screw rod, a right tension adjusting nut, a steel wire rope winding handle pull rod, an elevator speed limiter, a left tension adjusting screw rod bracket, a right tension adjusting screw rod bracket, a left portal frame upright post and a right portal frame upright post, wherein the execution mechanism steel wire rope is respectively fixed on the left tension screw rod through the left pulley and the right pulley and is connected with the right tension screw rod; the left tension screw rod is connected with the left safety tongs, the left tension adjusting nut is assembled on the left tension screw rod, the right tension spring is matched with the right tension screw rod, the steel wire rope winding device is connected with the steel wire rope winding handle pull rod and the brake handle and then connected with the steel wire rope of the elevator speed limiter, the left tension screw rod and the right tension screw rod respectively penetrate through the left tension adjusting screw rod support and the right tension adjusting screw rod support, and the left tension adjusting screw rod support and the right tension adjusting screw rod support are respectively installed on the left portal frame stand column and the right portal frame stand column.
Preferably, the left tension spring is matched with the left tension screw rod.
Preferably, the right tension screw rod is connected with the right safety gear.
Preferably, the right tension adjusting nut is assembled on the right tension screw rod.
Compared with the prior art, the beneficial effects of the utility model are that: the elevator safety gear braking executing structure uses a large enough executing mechanism steel wire rope to replace the prior operating rod, crankshaft, connecting rod and other structures; the characteristic that the steel wire rope of the actuating mechanism can be continuously bent and hoisted is utilized, and the left safety gear and the right safety gear can act simultaneously. The structure is simple, the installation and use space is small, and the elevator is particularly suitable for small-sized household villa elevators; the action is flexible, the tension balance of the two sides can be automatically adjusted, and the synchronism of the actions of the two sides can be ensured; the left safety tongs and the right safety tongs can be effectively braked no matter in ascending or descending or overspeed, so that the effect of bidirectional braking is realized; the reset is reliable; simple structure, low cost and convenient implementation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the device comprises a left tension adjusting nut, 2, a left tension screw rod, 3, a left tension spring, 4, a left safety gear, 5, an actuator steel wire rope, 6, a left pulley, 7, a steel wire rope winding device, 8, a brake handle, 9, a right pulley, 10, a right safety gear, 11, a right tension spring, 12, a right tension screw rod, 13, a right tension adjusting nut, 14, a steel wire rope winding handle pull rod, 15, an elevator speed limiter, 16, a left tension adjusting screw rod bracket, 17, a right tension adjusting screw rod bracket, 18, a left portal frame upright post, 19 and a right portal frame upright post.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a brake executing structure of an elevator safety gear comprises a left tension adjusting nut 1, a left tension screw rod 2, a left tension spring 3, a left safety gear 4, an executing mechanism steel wire rope 5, a left pulley 6, a steel wire rope winding device 7, a brake handle 8, a right pulley 9, a right safety gear 10, a right tension spring 11, a right tension screw rod 12, a right tension adjusting nut 13, a steel wire rope winding handle pull rod 14, an elevator speed limiter 15, a left tension adjusting screw rod bracket 16, a right tension adjusting screw rod bracket 17, a left portal frame upright post 18 and a right portal frame upright post 19, wherein the executing mechanism steel wire rope 5 is respectively fixed on the left tension screw rod 2 through the left pulley 6 and the right pulley 9 and is connected with the right tension screw rod 12; the left tension screw rod 2 is connected with a left safety tongs 4, the left tension adjusting nut 1 is assembled on the left tension screw rod 2, the right tension spring 11 is assembled on the right tension screw rod 12, the steel wire rope winding device 7 is connected with a steel wire rope winding handle pull rod 14 and a brake handle 8 and then is connected with a steel wire rope of an elevator speed limiter 15, the left tension screw rod 2 and the right tension screw rod 12 respectively penetrate through a left tension adjusting screw rod support 16 and a right tension adjusting screw rod support 17, and the left tension adjusting screw rod support 16 and the right tension adjusting screw rod support 17 are respectively installed on a left portal frame upright post 18 and a right portal frame upright post 19.
The working principle is as follows: when the elevator safety gear brake executing structure is used, when an elevator car goes up or down and exceeds speed, an elevator speed limiter 15 acts to drive a steel wire rope winding handle pull rod 14 and a brake handle 8 to pull up or pull down, the steel wire rope winding handle pull rod 14 pulls a steel wire rope winding device 7 to enable an executing mechanism steel wire rope 5 to wind steel wire ropes on a left pulley 6 and a right pulley 9 to pull a left tension lead screw 2 and a right tension lead screw 12 to pull up and drive a left safety gear 4 and a right safety gear 10 to act, the elevator car is clamped on an elevator track to ensure that the elevator car does not fall down and slide, a left tension adjusting nut 1 acts on the left tension lead screw 2 to form an adjustable tension spring 3, the left tension spring 3 and a left tension adjusting lead screw bracket 16 form an adjustable tension, a right tension adjusting nut 13 acts on the right tension lead screw 12, the right tension spring 11 and a right tension adjusting lead screw bracket 17 form an adjustable tension, the left tension adjusting screw rod bracket 16 and the right tension adjusting screw rod bracket 17 are respectively arranged on a left portal frame upright post 18 and a right portal frame upright post 19, so that the left safety gear 4 and the right safety gear 10 are ensured to have enough resetting capability. Because the steel wire 5 of the actuating mechanism on the steel wire winding device 7 slides, the steel wire is stressed uniformly to ensure the synchronization of the actions of the left safety gear 4 and the right safety gear 10, which is the whole working process of the device.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides an elevator safety tongs braking execution structure, including left tension adjusting nut (1), left tension lead screw (2), left tension spring (3), left safety tongs (4), actuating mechanism wire rope (5), left pulley (6), wire rope hoisting device (7), brake handle (8), right pulley (9), right safety tongs (10), right tension spring (11), right tension lead screw (12), right tension adjusting nut (13), wire rope hoisting handle pull rod (14), elevator overspeed governor (15), left tension adjusting lead screw support (16), right tension adjusting lead screw support (17), left portal frame stand (18), right portal frame stand (19), its characterized in that: the executing mechanism steel wire rope (5) is respectively fixed on the left tension screw rod (2) through a left pulley (6) and a right pulley (9) and is connected with the right tension screw rod (12); the safety tongs are characterized in that a left tension screw rod (2) is connected with a left safety tong (4), a left tension adjusting nut (1) is assembled on the left tension screw rod (2), a right tension spring (11) is sleeved on a right tension screw rod (12), a steel wire rope winding device (7) is connected with a steel wire rope winding handle pull rod (14) and a brake handle (8) and then connected with a steel wire rope of an elevator speed limiter (15), the left tension screw rod (2) and the right tension screw rod (12) respectively penetrate through a left tension adjusting screw rod support (16) and a right tension adjusting screw rod support (17), and the left tension adjusting screw rod support (16) and the right tension adjusting screw rod support (17) are respectively installed on a left portal frame upright post (18) and a right portal frame upright post (19).
2. The elevator safety gear brake actuating structure according to claim 1, characterized in that: the left tension spring (3) is matched with the left tension screw rod (2).
3. The elevator safety gear brake actuating structure according to claim 1, characterized in that: the right tension screw rod (12) is connected with the right safety gear (10).
4. The elevator safety gear brake actuating structure according to claim 1, characterized in that: and the right tension adjusting nut (13) is assembled on the right tension screw rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921409566.4U CN211871087U (en) | 2019-08-28 | 2019-08-28 | Elevator safety gear braking execution structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921409566.4U CN211871087U (en) | 2019-08-28 | 2019-08-28 | Elevator safety gear braking execution structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211871087U true CN211871087U (en) | 2020-11-06 |
Family
ID=73240289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921409566.4U Active CN211871087U (en) | 2019-08-28 | 2019-08-28 | Elevator safety gear braking execution structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211871087U (en) |
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2019
- 2019-08-28 CN CN201921409566.4U patent/CN211871087U/en active Active
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