CN220811497U - Novel safety tongs lifting device - Google Patents
Novel safety tongs lifting device Download PDFInfo
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- CN220811497U CN220811497U CN202322171057.5U CN202322171057U CN220811497U CN 220811497 U CN220811497 U CN 220811497U CN 202322171057 U CN202322171057 U CN 202322171057U CN 220811497 U CN220811497 U CN 220811497U
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- safety tongs
- lifting device
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- rope
- rocker arm
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Abstract
The application provides a novel safety tongs lifting device, and belongs to the technical field of elevators. The novel safety tongs lifting device comprises a car frame and rocker arms, safety tongs are arranged at two ends of the frame respectively, one rocker arm is movably connected to a trigger rod of each safety tongs respectively, the two rocker arms are hinged to the frame, the two rocker arms are movably connected with each other, and one of the rocker arms is provided with a safety rope. In this application: the safety rope synchronously triggers the safety tongs on two sides of the car frame to act through the linkage of the two rocker arms, and the deflection range of the rocker arms is a vertical surface, so that the whole is thinner, the occupied space of the car is small, the structure is simple, and the cost is low.
Description
Technical Field
The application relates to the technical field of elevators, in particular to a novel safety gear lifting device.
Background
The elevator belongs to special equipment, is provided with safety tongs to ensure safety, and specifically, when the elevator moves normally along the guide structures on two sides, the safety rope moves synchronously with the elevator, when the elevator falls out of control, the elevator moves relative to the safety rope, the safety tongs are pulled by the safety rope, the guide structures on two sides of an elevator shaft are clamped, and the elevator is locked.
The Chinese patent application number is CN202121836703.X, has disclosed a kind of safety tongs and carried the pull rod mechanism, this scheme is carried and pulled the rocking arm through the safety rope mainly, and then carries and draws the safety tongs action, but the car is provided with two safety tongs at least in order to guarantee the atress balance, just needs to set up two sets of safety rope operation structures to above-mentioned scheme, has improved equipment cost.
Chinese patent application number CN202123409361.6 discloses a safety tongs right angle pulling mechanism, and this scheme mainly drives the rotation of carrying handle through the rotation of connecting pipe, and then the safety tongs of synchronous drive both sides, and this is also the most common pulling mechanism, but carries the rotation plane of handle and connecting pipe axis place plane perpendicular, leads to the space to occupy great, especially to such private elevator of villa elevator, the defect that the space occupies greatly is especially obvious.
Disclosure of utility model
In order to overcome the defects, the application provides a novel safety gear lifting device, which aims to solve the problems in the prior art.
The embodiment of the application provides a novel safety tongs lifting device, which comprises a car frame and rocker arms, wherein safety tongs are respectively arranged at two ends of the frame, one rocker arm is movably connected to a trigger rod of each safety tongs, the two rocker arms are hinged to the frame, the two rocker arms are mutually movably connected, and a safety rope is arranged on one rocker arm.
In a specific embodiment, the frame comprises a mounting plate, and vertical beams are fixedly connected to two sides of the mounting plate.
In the implementation process, the vertical beam is a main bearing structure of the car frame, the upper end and the lower end of the vertical beam are respectively provided with a car top structure and a car bottom structure, and the safety tongs are arranged on the vertical beam.
In a specific embodiment, a triangle is provided on the mounting plate, and the middle end of the rocker arm is hinged with the triangle.
In the implementation process, the two triangular plates form a hinge point, so that the rocker arm and the mounting plate can be positioned in a vertical plane, and the volume is reduced.
In a specific embodiment, each rocker arm is provided with a reset piece, each reset piece comprises a tension spring and an adjusting rod, one end of each tension spring is connected with the rocker arm, and the other end of each tension spring is connected with the mounting plate through the adjusting rod.
In the implementation process, the tension spring pulls the rocker arm to keep the non-trigger state of the safety tongs, the adjusting rod is made of bolts, and the prestress of the tension spring can be adjusted.
In a specific embodiment, one of the rocker arms is provided with a pin shaft, and the other rocker arm is provided with a pin groove, and the pin shaft slides in the pin groove.
In the implementation process, when the two rocker arms deflect, the pin shaft moves in an arc shape, and the pin groove transversely formed allows the pin shaft to toggle the other rocker arm to deflect, so that the synchronous deflection effect is realized.
In a specific embodiment, each vertical beam is provided with a connecting piece, the connecting pieces comprise rope frames, the safety ropes are fixedly connected with the rope frames, and the rope frames are fixedly connected with the triggering rods of the safety tongs.
In a specific embodiment, the connecting piece further comprises a guide plate, a guide groove is formed in the guide plate, the guide plate is fixedly connected with the vertical beam, a sliding rod is fixedly connected to the rope frame, the sliding rod slides in the guide groove, and the rocker arm is movably connected with the sliding rod.
In the realization process, when the car moves relative to the safety rope, the safety rope pulls the trigger rod of the safety tongs through the rope frame, so that the safety tongs clamp a guide structure on the elevator shaft, meanwhile, the slide rod triggers the rocker arm to move, the pin shaft triggers the other rocker arm to move, and the rope frame on the other side triggers the safety tongs on the other side, thereby realizing synchronous triggering of the safety tongs on the two sides, and the guide plate is used for guiding the movement track of the rope frame.
In a specific embodiment, a switch is mounted on the mounting plate, and a deflector rod is arranged on the corresponding rocker arm for triggering the switch.
In the implementation process, after the safety tongs are triggered, signals are transmitted into the control boxes of the elevators through the rocker arms and the deflector rod trigger switches so as to control the related mechanisms to be powered off.
Compared with the prior art, the application has the beneficial effects that: the safety rope synchronously triggers the safety tongs on two sides of the car frame to act through the linkage of the two rocker arms, and the deflection range of the rocker arms is a vertical surface, so that the whole is thinner, the occupied space of the car is small, the structure is simple, and the cost is low.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a novel safety gear lifting device according to an embodiment of the present application;
fig. 2 is a schematic diagram of a connection relationship between a switch and a rocker arm according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a connection relationship between a rocker arm and a mounting plate according to an embodiment of the present application;
Fig. 4 is a schematic structural diagram of a connection relationship between a connecting member and a rocker arm according to an embodiment of the present application.
In the figure: 10-frame; 11-mounting plates; 12-vertical beams; 13-triangle; 20-rocker arms; 30-safety tongs; 40-a safety rope; 50-resetting piece; 51-tension springs; 52-adjusting the rod; 60-pin shafts; 70-engagement; 71-a rope rack; 72-a guide plate; 73-sliding bar; 80-switching; 90-deflector rod.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.
Referring to fig. 1-4, the application provides a novel safety tongs lifting device, which comprises a car frame 10 and rocker arms 20, wherein safety tongs 30 are respectively arranged at two ends of the frame 10, a rocker arm 20 is respectively and movably connected to a trigger rod of each safety tongs 30, the two rocker arms 20 are hinged with the frame 10, the two rocker arms 20 are mutually and movably connected, and a safety rope 40 is arranged on one rocker arm 20. Wherein, a safety rope 40 triggers the safety tongs 30 at two sides of the car frame 10 to act synchronously through the linkage of two rocker arms 20, and the deflection range of the rocker arms 20 is a vertical surface, so that the whole is thinner, the occupied space of the car is small, and the structure is simple and the cost is low.
Referring to fig. 1-4, a frame 10 includes a mounting plate 11, and upright beams 12 are fixedly connected to both sides of the mounting plate 11. The vertical beam 12 is a main bearing structure of the car frame 10, the upper end and the lower end of the vertical beam 12 are respectively provided with a car top structure and a car bottom structure, and the safety tongs 30 are mounted on the vertical beam 12.
Referring to fig. 1-4, a triangle 13 is provided on the mounting plate 11, and a middle end of the rocker arm 20 is hinged with the triangle 13. The two triangular plates 13 form a hinge point so that the rocker arm 20 and the mounting plate 11 can lie in a vertical plane, which is advantageous for reducing the volume.
Referring to fig. 1-4, each rocker arm 20 is provided with a reset member 50, the reset member 50 includes a tension spring 51 and an adjusting rod 52, one end of the tension spring 51 is connected with the rocker arm 20, and the other end of the tension spring 51 is connected with the mounting plate 11 through the adjusting rod 52. The tension spring 51 pulls the rocker arm 20 to keep the safety tongs 30 in an un-triggered state, the adjusting rod 52 is made of bolts, and the prestress of the tension spring 51 can be adjusted.
Referring to fig. 1-4, one of the rocker arms 20 is provided with a pin 60, and the other rocker arm 20 is provided with a pin slot in which the pin 60 slides. When the two rocker arms 20 deflect, the pin shaft 60 moves in an arc shape, and the pin grooves formed transversely allow the pin shaft 60 to stir the other rocker arm 20 to deflect, so that the synchronous deflection effect is realized.
Referring to fig. 1-4, each vertical beam 12 is provided with a connecting member 70, the connecting member 70 includes a rope frame 71, the safety rope 40 is fixedly connected with the rope frame 71, and the rope frame 71 is fixedly connected with the triggering rod of the safety tongs 30. The connecting piece 70 further comprises a guide plate 72, a guide groove is formed in the guide plate 72, the guide plate 72 is fixedly connected with the vertical beam 12, a sliding rod 73 is fixedly connected to the rope frame 71, the sliding rod 73 slides in the guide groove, and the rocker arm 20 is movably connected with the sliding rod 73. When the car is displaced relative to the safety rope 40, the safety rope 40 pulls the trigger rod of the safety tongs 30 through the rope frame 71, so that the safety tongs 30 clamp the guide structure on the elevator shaft, meanwhile, the sliding rod 73 triggers the rocker arm 20 to move, the pin shaft 60 triggers the other rocker arm 20 to move, and the rope frame 71 on the other side triggers the safety tongs 30 on the other side, so that synchronous triggering of the safety tongs 30 on the two sides is realized, and the guide plate 72 is used for guiding the movement track of the rope frame 71.
Referring to fig. 1-4, a switch 80 is mounted on the mounting plate 11, and a lever 90 is provided on the corresponding rocker arm 20 for triggering the switch 80. After the safety gear 30 is triggered, the switch 80 is triggered through the rocker arm 20 and the deflector rod 90, and then signals are transmitted into the control box of the elevator to control the related mechanism to be powered off.
Compared with the prior art, the application has the beneficial effects that: one safety rope 40 synchronously triggers the safety tongs 30 on both sides of the car frame 10 to act through the linkage of the two rocker arms 20, and the deflection range of the rocker arms 20 is a vertical surface, so that the whole is thinner, the occupied space of the car is small, and the safety rope is simple in structure and low in cost.
The working principle of the novel safety tongs lifting device is as follows: when the car moves relative to the safety rope 40, the safety rope 40 pulls the trigger rod of the safety tongs 30 through the rope frame 71, so that the safety tongs 30 clamp a guide structure on an elevator shaft, meanwhile, the sliding rod 73 triggers the rocker arm 20 to move, the pin shaft 60 triggers the other rocker arm 20 to move, the rope frame 71 on the other side triggers the safety tongs 30 on the other side, synchronous triggering of the safety tongs 30 on two sides is achieved, meanwhile, the rocker arm 20 triggers the switch 80 through the deflector rod 90, and then signals are transmitted into a control box of the elevator, in sum, one safety rope 40 synchronously triggers the safety tongs 30 on two sides of the car frame 10 to act through linkage of the two rocker arms 20, and the deflection range of the rocker arms 20 is a vertical surface, so that the whole is thinner, the occupied space of the car is small, and the structure is simple and the cost is low.
The above embodiments of the present application are only examples, and are not intended to limit the scope of the present application, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Claims (8)
1. The utility model provides a novel safety tongs carry and draw device, its characterized in that, includes car frame (10) and rocking arm (20), frame (10) both ends are provided with safety tongs (30) respectively, every on the triggering lever of safety tongs (30) swing joint respectively have one rocking arm (20), two rocking arm (20) all with frame (10) are articulated, two rocking arm (20) interconnect swing joint, one of them be provided with safety rope (40) on rocking arm (20).
2. The novel safety tongs lifting device according to claim 1, wherein the frame (10) comprises a mounting plate (11), and upright beams (12) are fixedly connected to two sides of the mounting plate (11).
3. The novel safety tongs lifting device according to claim 2, wherein a triangle (13) is arranged on the mounting plate (11), and the middle end of the rocker arm (20) is hinged with the triangle (13).
4. A novel safety tongs lifting device according to claim 3, wherein each rocker arm (20) is provided with a reset member (50), the reset members (50) comprise tension springs (51) and adjusting rods (52), one ends of the tension springs (51) are connected with the rocker arms (20), and the other ends of the tension springs (51) are connected with the mounting plates (11) through the adjusting rods (52).
5. The novel safety gear lifting device according to claim 4, wherein one of the rocker arms (20) is provided with a pin shaft (60), the other rocker arm (20) is provided with a pin groove, and the pin shaft (60) slides in the pin groove.
6. The novel safety tongs lifting device according to claim 5, wherein each vertical beam (12) is provided with a connecting piece (70), the connecting pieces (70) comprise rope frames (71), the safety ropes (40) are fixedly connected with the rope frames (71), and the rope frames (71) are fixedly connected with triggering rods of the safety tongs (30).
7. The novel safety tongs lifting device according to claim 6, wherein the connecting piece (70) further comprises a guide plate (72), a guide groove is formed in the guide plate (72), the guide plate (72) is fixedly connected with the vertical beam (12), a sliding rod (73) is fixedly connected to the rope frame (71), the sliding rod (73) slides in the guide groove, and the rocker arm (20) is movably connected with the sliding rod (73).
8. The novel safety gear lifting device according to claim 7, wherein a switch (80) is mounted on the mounting plate (11), and a deflector rod (90) is arranged on the corresponding rocker arm (20) for triggering the switch (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322171057.5U CN220811497U (en) | 2023-08-14 | 2023-08-14 | Novel safety tongs lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322171057.5U CN220811497U (en) | 2023-08-14 | 2023-08-14 | Novel safety tongs lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220811497U true CN220811497U (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322171057.5U Active CN220811497U (en) | 2023-08-14 | 2023-08-14 | Novel safety tongs lifting device |
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| Country | Link |
|---|---|
| CN (1) | CN220811497U (en) |
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2023
- 2023-08-14 CN CN202322171057.5U patent/CN220811497U/en active Active
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