阅读说明：本技术 一种电梯安全限速器 (Elevator safety speed limiter ) 是由 周晓雪 白植志 于 2020-04-30 设计创作，主要内容包括：本发明提供一种电梯安全限速器,包括钳体,所述钳体内设有两个对称的定位块,所述定位块和所述钳体之间设有弹性材料,两个所述定位块之间设有两个对称的夹紧块,所述钳体上设有所述夹紧块运动的通道,两个所述夹紧块连接着带动所述夹紧块沿所述通道运动的辅助结构,所述辅助结构连接着驱动装置。本发明的技术方案不使用常规的钢丝绳,协助使用过电子控制来识别和控制,通过电子控制电梯安全限速器的动力装置,进而控制动作部件动作,实现夹持制停,无需限速器,结构简单,响应速度快,可实现冗余安全识别保护,更安全。(The invention provides an elevator safety speed limiter which comprises a clamp body, wherein two symmetrical positioning blocks are arranged in the clamp body, an elastic material is arranged between the positioning blocks and the clamp body, two symmetrical clamping blocks are arranged between the two positioning blocks, a channel for the clamping blocks to move is arranged on the clamp body, the two clamping blocks are connected with an auxiliary structure for driving the clamping blocks to move along the channel, and the auxiliary structure is connected with a driving device. According to the technical scheme, a conventional steel wire rope is not used, electronic control is used for identification and control, the power device of the elevator safety speed limiter is controlled through the electronic control, the action of the action part is further controlled, clamping and stopping are achieved, the speed limiter is not needed, the structure is simple, the response speed is high, redundant safety identification and protection can be achieved, and the elevator safety speed limiter is safer.)

1. The elevator safety speed limiter is characterized by comprising a clamp body, wherein two symmetrical positioning blocks are arranged in the clamp body, the positioning blocks are elastically connected with the clamp body, two symmetrical clamping blocks are arranged between the positioning blocks, a channel for the movement of the clamping blocks is arranged on the clamp body, the two clamping blocks are connected to drive the clamping blocks to move along the channel, and the auxiliary structure is connected with a driving device.

2. The elevator safety governor of claim 1, wherein the contact surface of the locating block and the clamping block is a ramp surface, and a guide roller is fixed to the ramp surface of the locating block.

3. The elevator safety governor of claim 2, wherein the path includes two angled paths, the secondary structure is a moving plate having two kidney-shaped openings, and the clamping block has a bolt secured thereto and positioned within the kidney-shaped openings.

4. The elevator safety speed limiter according to claim 3, wherein the driving device comprises a power device and a telescopic rod, the telescopic rod is connected to the middle of the moving plate, and the power device is an electromagnet, a cylinder or an oil hydraulic cylinder; or the driving device comprises a power device and a swing rod, one end of the swing rod is provided with a waist-shaped hole for placing the fixing rod, and the power device is a rotary electromagnet or a rotary motor.

5. The elevator safety governor of claim 2, wherein the path has two angled paths, and the secondary structure includes two rotating plates connected by a first rotating shaft, ends of the rotating plates and the gripping blocks being connected by a second rotating shaft, the second rotating shaft being located within the path.

6. The elevator safety governor of claim 5, wherein the drive device includes a power plant and a telescoping rod, the first pivot connecting the telescoping rod.

7. The elevator safety governor of claim 1, wherein the clamping block is a sector clamp, the auxiliary structure comprises an intermediate plate and two rollers clamping the intermediate plate, the middle of the rollers and the middle of the sector clamp are connected by a third rotating shaft, and a kidney-shaped hole is formed in the middle of the intermediate plate; when the lowest position of the clamping blocks rotates from the lowest point to the highest point, the minimum distance between the outer contour lines of the two clamping blocks is gradually increased and then gradually decreased.

8. The elevator safety governor of claim 7, wherein the drive device comprises a power device and a telescoping rod, the end of the telescoping rod being connected to a slide block, the slide block being located within a kidney-shaped aperture of the intermediate plate.

9. The elevator safety governor of claim 1, wherein an elastic material is disposed between the locating block and the tong body, or the tong body is an elastic tong body.

10. The elevator safety governor of claim 2, wherein the tong body is an elastic tong body, and a guide plate is fixed to an outer side surface of the positioning block.

Technical Field

The invention belongs to the technical field of elevators, and particularly relates to an elevator safety speed limiter.

Background

The existing safety tongs are divided into an instantaneous type and a progressive type, the two types of safety tongs adopt a mechanical triggering mode, the running speed of a lift car is identified through a speed limiter, and when the speed reaches a set required value, the safety tongs are linked through a steel wire rope to drive the safety tongs to act and clamp and stop an elevator.

Disclosure of Invention

Aiming at the existing problems, the invention provides the elevator safety speed limiter which is simple in structure, does not use a steel wire rope, is matched with an electronic element when in use, does not need a speed limiter or a steel wire rope, is simple in structure and high in response speed, can realize redundant safety identification and protection, and is safer.

The technical scheme for solving the technical problems is as follows: the utility model provides an elevator safety overspeed governor, includes the pincers body, the internal locating piece that is equipped with two symmetries of pincers, the locating piece with be elastic connection between the pincers body, two be equipped with the tight piece of the clamp of two symmetries between the locating piece, be equipped with on the pincers body press from both sides the passageway of tight piece motion, two press from both sides tight piece and be connecting and drive press from both sides tight piece edge the auxiliary structure of passageway motion, auxiliary structure is connecting drive arrangement.

The invention is further provided that the contact surface of the positioning block and the clamping block is an inclined surface, and a guide roller is fixed on the inclined surface of the positioning block.

The invention is further provided that the channel is provided with two inclined channels, the auxiliary structure is a moving plate, the moving plate is provided with two waist-shaped holes, and the clamping block is fixed with a bolt which is positioned in the waist-shaped holes.

The invention is further provided that the driving device comprises a power device and an expansion link, the middle of the moving plate is connected with the expansion link, and the power device is an electromagnet, an air cylinder or an oil hydraulic cylinder; or the driving device comprises a power device and a swing rod, one end of the swing rod is provided with a waist-shaped hole for placing the fixing rod, and the power device is a rotary electromagnet or a rotary motor.

The invention is further configured such that the channel has two inclined channels, the auxiliary structure comprises two rotating plates connected by a first rotating shaft, the ends of the rotating plates and the clamping blocks are connected by a second rotating shaft, and the second rotating shaft is located in the channel.

The invention is further configured in that the driving device comprises a power device and an expansion link, and the first rotating shaft is connected with the expansion link. The power device is an electromagnet, an air cylinder or an oil hydraulic cylinder.

The invention is further provided that the clamping blocks are fan-shaped clamps, the auxiliary structure comprises an intermediate plate and two rollers for clamping the intermediate plate, the middle of the rollers is connected with the middle of the fan-shaped clamps through a third rotating shaft, a waist-shaped hole is formed in the middle of the intermediate plate, and when the lowest position of the clamping blocks rotates from the lowest point to the highest point, the minimum distance between the outer contour lines of the two clamping blocks gradually increases and then gradually decreases.

The invention is further provided that the driving device comprises a power device and a telescopic rod, the end part of the telescopic rod is connected with a sliding block, and the sliding block is positioned in the waist-shaped hole of the middle plate. The power device is an electromagnet, an air cylinder or an oil hydraulic cylinder.

The invention is further provided that an elastic material is arranged between the positioning block and the forceps body, or the forceps body is an elastic forceps body.

The invention is further provided that the clamp body is an elastic clamp body, and a guide plate is fixed on the outer side surface of the positioning block.

According to the technical scheme, a conventional steel wire rope is not used, electronic control is used for identification and control, the power device of the elevator safety speed limiter is controlled through the electronic control, the action of the action part is further controlled, clamping and stopping are achieved, the speed limiter is not needed, the structure is simple, the response speed is high, redundant safety identification and protection can be achieved, and the elevator safety speed limiter is safer.

Drawings

FIGS. 1-1 and 1-2 are schematic structural views of example 2;

FIG. 2-1 is a schematic structural view of example 3;

FIGS. 3-1 and 3-2 are schematic structural views of example 4;

FIGS. 4-1 and 4-2 are schematic structural views of example 5;

FIGS. 5-1 and 5-2 are schematic structural views of example 6;

FIG. 6-1 is a schematic structural view of example 7;

FIG. 7-1 is a schematic structural view of example 8.

Wherein, 1, the clamp body; 2. positioning blocks; 3. an elastic material; 4. a clamping block; 5. a channel; 6. a guide roller; 7. moving the plate; 8. a kidney-shaped hole; 9. a bolt; 10. a telescopic rod; 11. a power plant; 12. a swing rod; 13. fixing the rod; 14. a first rotating shaft; 15. a second rotating shaft; 16. a rotating plate; 17. a middle plate; 18. a roller; 19. a third rotating shaft; 20. a slider; 21. an elastic pincer body; 22. a guide plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.