CN220264840U - Safety tongs lifting mechanism for elevator - Google Patents
Safety tongs lifting mechanism for elevator Download PDFInfo
- Publication number
- CN220264840U CN220264840U CN202321970127.7U CN202321970127U CN220264840U CN 220264840 U CN220264840 U CN 220264840U CN 202321970127 U CN202321970127 U CN 202321970127U CN 220264840 U CN220264840 U CN 220264840U
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- elevator
- fixedly connected
- elevator car
- frame
- lifting mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model relates to an elevator safety coefficient mechanical structure design field specifically discloses a safety tongs lifting mechanism for elevator, including elevator car and the slide rail of establishing in elevator car both sides, elevator car and slide rail sliding connection, the mounting bracket is installed to elevator car below, and the inside fixed mounting of mounting bracket has the link, and the inside both sides sliding connection of link has the engaging lug, and engaging lug one end passes link fixedly connected with safety tongs; the connecting frame is characterized in that the upper end of the inside of the connecting frame is connected with a connecting bolt in a threaded mode, the lower end of the connecting bolt is fixedly connected with a cam, and a connecting rod is connected between the cam and the connecting lug in a rotating mode. According to the elevator safety gear, the safety gear is designed to be in contact with one end face of the sliding rail for friction deceleration when the elevator stalls, and the clamping plate is designed to be capable of clamping and friction deceleration on two sides of the sliding rail, so that the friction deceleration effect is improved, the elevator can be stopped rapidly, and meanwhile, the elevator is supported more firmly.
Description
Technical Field
The utility model relates to the field of mechanical structure design of elevator safety systems, in particular to a safety tongs lifting mechanism for an elevator.
Background
At present, a stall protection device is adopted for an elevator, and a speed limiter-safety tongs system is mainly arranged, so that the speed of a car is monitored and controlled at any time, and when overspeed conditions occur, namely 115% of the rated speed of the elevator, signals can be sent out in time, and then mechanical actions are generated to cut off a power supply circuit, so that a traction machine is braked. If the elevator is still unable to brake, the car is forced to stop by the action of safety tongs mounted at the bottom of the car.
The existing safety tongs generally decelerate and stop through friction with the sliding rail, but the safety tongs are in single-sided stress and extrusion contact with the sliding rail in the decelerating process, and the contact area is limited. Accordingly, a person skilled in the art provides a safety gear lifting mechanism for an elevator to solve the problems set forth in the background art.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a safety tongs lifting mechanism for an elevator, which comprises an elevator car and sliding rails arranged on two sides of the elevator car, wherein the elevator car is in sliding connection with the sliding rails, a mounting frame is arranged below the elevator car, a connecting frame is fixedly arranged in the mounting frame, two sides of the inside of the connecting frame are in sliding connection with connecting lugs, and one end of each connecting lug penetrates through the connecting frame to be fixedly connected with safety tongs;
the motor is fixedly connected below the mounting frame, the upper end of the motor is inserted into the connecting frame, the rotating plate is fixedly connected with the inside of the connecting frame, the connecting bolt is connected with the upper end of the inside of the connecting frame in a threaded manner, the cam is fixedly connected with the lower end of the connecting bolt, the connecting rod is rotationally connected between the cam and the connecting lug, and the upper end of the rotating plate is inserted below the connecting bolt;
the connecting lug below fixedly connected with connecting plate, the connecting plate passes mounting bracket, link fixedly connected with movable plate, and the equal symmetry rotation of side is connected with the gear around the mounting bracket below both ends, gear one end fixedly connected with clamping plate, movable plate one end fixedly connected with rack, and the rack is located gear one side.
Preferably: and rollers are arranged between the elevator car and the sliding rail.
Preferably: one end of the clamping plate is positioned at the front side and the rear side of the protruding side edge of the sliding rail.
Preferably: one side of the installation frame is connected with the elevator car through bolts, and a reinforcing rib is arranged between one side of the installation frame and the side face of the body.
Preferably: the motor is installed inside the motor frame.
The utility model has the technical effects and advantages that:
according to the elevator safety gear, the safety gear is designed to be in contact with one end face of the sliding rail for friction deceleration when the elevator stalls, and the clamping plate is designed to be capable of clamping and friction deceleration on two sides of the sliding rail, so that the friction deceleration effect is improved, the elevator can be stopped rapidly, and meanwhile, the elevator is supported more firmly.
Drawings
FIG. 1 is a schematic view of the structure provided herein;
FIG. 2 is a schematic view of the structure of the inside of the connector provided in the present application;
FIG. 3 is a schematic view of the structure of the clamping plate provided by the present application;
in the figure:
1. an elevator car; 2. a slide rail; 3. a roller; 4. a mounting frame; 5. a connecting frame; 6. a connecting lug; 7. safety tongs; 9. a motor frame; 10. a motor; 11. a rotating plate; 12. a connecting bolt; 13. a cam; 14. a connecting rod; 15. a connecting plate; 16. a moving plate; 17. a rack; 18. a clamping plate; 19. a gear.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Referring to fig. 1-3, in this embodiment, a safety gear lifting mechanism for an elevator is provided, which comprises an elevator car 1 and sliding rails 2 arranged at two sides of the elevator car 1, wherein rollers 3 are arranged between the elevator car 1 and the sliding rails 2, the elevator car 1 is slidably connected with the sliding rails 2, a mounting frame 4 is installed below the elevator car 1, one side edge of the mounting frame 4 is connected with the elevator car 1 through bolts, a reinforcing rib is arranged between one side edge of the mounting frame 4 and the side surface of a body, a connecting frame 5 is fixedly installed inside the mounting frame 4, connecting lugs 6 are slidably connected at two sides inside the connecting frame 5, and one end of each connecting lug 6 penetrates through the connecting frame 5 to be fixedly connected with a safety gear 7;
the motor 10 is fixedly connected to the lower portion of the mounting frame 4, the motor frame 9 is fixedly connected to the lower portion of the mounting frame 4, the motor 10 is mounted inside the motor frame 9, the upper end of the motor 10 is inserted into the connecting frame 5, the rotating plate 11 is fixedly connected to the inner portion of the connecting frame 5, the connecting bolt 12 is connected to the upper end of the connecting frame 5 in a threaded manner, the cam 13 is fixedly connected to the lower end of the connecting bolt 12, the connecting rod 14 is rotationally connected between the cam 13 and the connecting lug 6, and the upper end of the rotating plate 11 is inserted into the lower portion of the connecting bolt 12;
the connecting lug 6 below fixedly connected with connecting plate 15, connecting plate 15 pass mounting bracket 4, link 5 fixedly connected with movable plate 16, and the equal symmetry rotation in both ends front and back side in mounting bracket 4 below is connected with gear 19, and gear 19 one end fixedly connected with clamping plate 18, clamping plate 18 one end is located the front and back side of the outstanding side of slide rail 2, and movable plate 16 one end fixedly connected with rack 17, rack 17 are located gear 19 one side.
The working principle of the utility model is as follows:
when the device is used, the device is arranged below the elevator car 1 through the mounting frame 4, the speed sensor is arranged on the elevator car 1, when the speed of the motor car detected by the speed sensor is too high, the motor 10 is controlled to be started, the motor 10 is started to drive the rotating plate 11 to rotate, the rotating plate 11 rotates to drive the cam 13 above to rotate, the cam 13 drives the connecting bolt 12 to rotate, the connecting bolt 12 rotates to be screwed into the inside of the upper part of the connecting frame 5, the motor 10 is prevented from being driven for a long time through the connecting bolt 12, the cam 13 drives one end of the connecting rod 14 on two sides to rotate in the rotating process, the other end of the connecting rod 14 pushes the connecting lug 6 to move, the safety tongs 7 pushed by the connecting lug 6 move to two sides, the connecting lug 6 is also driven to move by the connecting plate 15 in the moving process of the safety tongs 7, the moving plate 16 is driven by the moving plate 15 to move, the rack 17 on one side of the moving plate 16 moves along with the moving plate, the driving gear 19 rotates to drive the clamping plate 18 to rotate correspondingly to clamp two sides before and after the sliding rail 2, so that the contact area between the elevator and the sliding rail 2 are increased, and the braking effect is stable when the elevator is supported.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (5)
1. The utility model provides a safety tongs lifting mechanism for elevator, includes elevator car (1) and establishes slide rail (2) in elevator car (1) both sides, its characterized in that, elevator car (1) and slide rail (2) sliding connection, install mounting bracket (4) below elevator car (1), inside fixed mounting of mounting bracket (4) has link (5), inside both sides sliding connection of link (5) has engaging lug (6), engaging lug (6) one end passes link (5) fixedly connected with safety tongs (7);
the motor (10) is fixedly connected below the mounting frame (4), the upper end of the motor (10) is inserted into the connecting frame (5), the rotating plate (11) is fixedly connected inside the connecting frame (5), the connecting bolt (12) is connected with the upper end of the connecting frame (5) in a threaded manner, the cam (13) is fixedly connected with the lower end of the connecting bolt (12), the connecting rod (14) is rotationally connected between the cam (13) and the connecting lug (6), and the upper end of the rotating plate (11) is inserted below the connecting bolt (12);
connecting lug (6) below fixedly connected with connecting plate (15), connecting plate (15) pass mounting bracket (4), link (5) fixedly connected with movable plate (16), and all symmetry rotation is connected with gear (19) around mounting bracket (4) below both ends, and gear (19) one end fixedly connected with clamping plate (18), movable plate (16) one end fixedly connected with rack (17), rack (17) are located gear (19) one side.
2. Safety gear lifting mechanism for elevators according to claim 1, characterized in that a roller (3) is provided between the elevator car (1) and the sliding rail (2).
3. Safety gear lifting mechanism for elevators according to claim 1, wherein one end of the clamping plate (18) is located on the front and rear sides of the protruding side of the sliding rail (2).
4. Safety gear lifting mechanism for elevator according to claim 1, characterized in that one side of the mounting frame (4) is connected with the elevator car (1) by bolts, and a reinforcing rib is arranged between one side of the mounting frame (4) and the side of the body.
5. Safety gear lifting mechanism for elevator according to claim 1, characterized in that the motor frame (9) is fixedly connected below the mounting frame (4), and the motor (10) is mounted inside the motor frame (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321970127.7U CN220264840U (en) | 2023-07-26 | 2023-07-26 | Safety tongs lifting mechanism for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321970127.7U CN220264840U (en) | 2023-07-26 | 2023-07-26 | Safety tongs lifting mechanism for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220264840U true CN220264840U (en) | 2023-12-29 |
Family
ID=89311897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321970127.7U Active CN220264840U (en) | 2023-07-26 | 2023-07-26 | Safety tongs lifting mechanism for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220264840U (en) |
-
2023
- 2023-07-26 CN CN202321970127.7U patent/CN220264840U/en active Active
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