CN215854499U - Elevator with overspeed protection - Google Patents
Elevator with overspeed protection Download PDFInfo
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- CN215854499U CN215854499U CN202121121700.8U CN202121121700U CN215854499U CN 215854499 U CN215854499 U CN 215854499U CN 202121121700 U CN202121121700 U CN 202121121700U CN 215854499 U CN215854499 U CN 215854499U
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Abstract
The utility model discloses a hoist with overspeed protection in the technical field of hoists, which comprises: the main driving device is arranged at the top of the outer box of the elevator at the uppermost end; the auxiliary driving device is arranged at the top of the outer box of the elevator at the uppermost end and corresponds to the main driving device; the inner lift car is arranged in an inner cavity of the outer box of the hoisting machine; the elevator car overspeed safety device comprises two brake assemblies, wherein the two brake assemblies are symmetrically arranged on symmetrical corners at the top of the inner car, the brake assemblies correspond to the elevator track, and the brake assemblies are clamped on the outer side wall of the elevator track.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to an elevator with overspeed protection.
Background
The hoist is large mechanical equipment for transportation by changing potential energy, such as a mine hoist, a dam-crossing hoist and the like. Broadly, elevators, overhead cranes, winches, stabilizers, cranes, hoist machines, etc. may be referred to as hoists. The hoister generally refers to large mechanical equipment with high power and high hoisting capacity.
The inner lift car of the existing elevator is clamped by the clamping device when running at overspeed so as to reduce the form speed of the lift car, but when the inner lift car is clamped by the clamping device, the inner lift car can generate great vibration under the action of inertia, and great damage is caused to people and objects in the inner lift car.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hoisting machine with overspeed protection, which solves the problems that the inner car of the conventional hoisting machine proposed in the background art is clamped by a clamping device to reduce the form speed of the car when the inner car runs at overspeed, but the inner car generates large vibration under the action of inertia when the inner car is clamped by the clamping device, so that people and objects in the inner car are greatly damaged.
In order to achieve the purpose, the utility model provides the following technical scheme: a hoist with overspeed protection comprising:
a plurality of mounting plates;
the elevator outer boxes and the mounting plates are mutually staggered, stacked and mounted together;
the main driving device is arranged at the top of the outer box of the elevator at the uppermost end;
the auxiliary driving device is arranged at the top of the outer box of the elevator at the uppermost end and corresponds to the main driving device;
the two elevator tracks are symmetrically arranged on the symmetrical corners of the inner cavity of the outer box of the hoisting machine;
the inner car is arranged in an inner cavity of the outer box of the elevator, and the top of the inner car is connected with the main driving device and the auxiliary driving device respectively;
two brake components, two brake components are symmetrical installs on the top symmetric angle of interior car, brake components with the elevator track is corresponding, brake components joint is in on the orbital lateral wall of elevator.
Preferably, the main driving means includes:
a motor mounting plate;
the motor is arranged at the middle end of the top of the motor mounting plate;
a first gear mounted on an output shaft of the motor;
a first rotating roller shaft;
the two first bearing seats are arranged at the two ends of the outer wall of the first rotating roll shaft in a left-right mode;
a second gear mounted on the first rotating roller shaft adjacent to one end of the first gear;
a plurality of third gears mounted on an outer wall of the first rotating roller shaft, the plurality of third gears each being between two of the first bearing housings;
and the transmission chain is sleeved on the outer walls of the first gear and the second gear.
Preferably, the sub-driving device includes:
a second rotating roller shaft;
two second bearing seats, wherein one of the two second bearing seats is arranged on the left end and the other one is arranged on the right end of the outer wall of the second rotating roll shaft;
a plurality of fourth gears mounted on an outer wall of the second rotating roller shaft, the plurality of fourth gears each being between two of the second bearing housings.
Preferably, a first rotating speed sensor is mounted on the outer wall of the first bearing seat, and a measuring head on the first rotating speed sensor corresponds to the first rotating roll shaft.
Preferably, a second rotating speed sensor is mounted on the outer wall of the second bearing seat, and a measuring head on the second rotating speed sensor corresponds to the second rotating roll shaft.
Preferably, the brake assembly includes:
a brake mounting plate;
the four guide wheels are installed on the front surface of the brake installation plate in a rectangular shape through bearings;
the two electromagnets are symmetrically arranged on the front surface of the brake mounting plate, and are arranged on the inner sides of the four guide wheels.
Compared with the prior art, the utility model has the beneficial effects that: the elevator car can be decelerated through magnetism generated by electromagnetism when the elevator car is in overspeed, impact force generated by overspeed of the elevator car is reduced, safety of people and objects inside the elevator car is protected, the electromagnet is clamped on the outer wall of an elevator track and is not in contact with the elevator track, the electromagnet is electrically connected with the PLC through the relay, when the inner elevator car is in overspeed, the first rotating speed sensor and the second sensor detect the speed and accelerate the rotating speed, the first rotating speed sensor and the second sensor send signals to the PLC, the PLC controls the relay to be connected with a power supply of the electromagnet, the electromagnet is electrified to generate magnetism to generate attraction force on the elevator track, the moving speed of the inner elevator car is reduced, the inner elevator car is decelerated through a soft braking mode, impact force generated by inertia of the inner elevator car is reduced, and safety of people and objects inside the elevator car is effectively protected.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the outer box of the uppermost elevator of the present invention;
FIG. 3 is a schematic structural diagram of a main driving device according to the present invention;
FIG. 4 is a schematic structural diagram of a secondary driving device according to the present invention;
FIG. 5 is a schematic structural view of the brake assembly of the present invention.
In the figure: 100 mounting plates, 200 elevator outer boxes, 300 main driving devices, 310 motor mounting plates, 320 motors, 330 first gears, 340 first rotating roller shafts, 350 first bearing seats, 360 second gears, 370 third gears, 380 transmission chains, 400 auxiliary driving devices, 410 second rotating roller shafts, 420 second bearing seats, 430 fourth gears, 500 elevator tracks, 600 inner cars, 700 brake assemblies, 710 brake mounting plates, 720 guide wheels and 730 electromagnets.
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.
The present invention provides a hoisting machine with overspeed protection, which can reduce the speed of a car through magnetism generated by electromagnetism when the car is overspeed, reduce impact force generated by the overspeed of the car, and protect the safety of people and objects inside, referring to fig. 1, comprising: the elevator comprises a mounting plate 100, an elevator outer box 200, a main driving device 300, an auxiliary driving device 400, an elevator track 500, an inner car 600 and a brake assembly 700;
referring again to fig. 1, a plurality of mounting plates 100;
referring to fig. 1 again, a plurality of elevator outer boxes 200 and a plurality of mounting plates 100 are stacked and installed in a staggered manner;
referring to fig. 1 to 3, a main driving device 300 is installed on the top of the uppermost elevator outer box 200, and the main driving device 300 includes:
the motor mounting plate 310 is mounted on the top of the uppermost elevator outer box 200 through bolts;
the motor 320 is arranged at the middle end of the top of the motor mounting plate 310;
the first gear 330 is mounted on the output shaft of the motor 320 through spline connection or flat key connection, and the first gear 330 is driven to rotate through the output shaft of the motor 320;
the first rotating roller shaft 340 is installed at the top of the uppermost elevator outer box 200, and the first rotating roller shaft 340 is adjacent to the motor 320;
two first bearing seats 350 are arranged at two ends of the outer wall of the first rotating roll shaft 340 from left to right, a first rotating speed sensor is arranged on the outer wall of the first bearing seats 350, a measuring head on the first rotating speed sensor corresponds to the first rotating roll shaft 340, the first bearing seats 350 are arranged at the top of the elevator outer box 200 at the uppermost end through bolts, the first rotating roll shaft 340 is arranged at the top of the elevator outer box 200 at the uppermost end through the two first bearing seats 350, and the first rotating speed sensor is connected with a PLC (programmable logic controller) through a data line;
a second gear 360 is installed on the first rotating roller shaft 340 adjacent to one end of the first gear 330;
a plurality of third gears 370 are installed on the outer wall of the first rotating roller shaft 340, each of the plurality of third gears 370 being between the two first bearing housings 350;
the transmission chain 380 is sleeved on the outer walls of the first gear 330 and the second gear 360, the first gear 330 is driven to rotate through an output shaft of the motor 320, the second gear 360 is driven to rotate through the matching use of the first gear 330 and the transmission chain 380, the first rotating roller shaft 340 is driven to rotate through the second gear 360, the third gear 370 is driven to rotate through the first rotating roller shaft 340, and the inner lift car is driven to lift through the rotation of the third gear 370;
referring to fig. 1 to 4, the auxiliary driving device 400 is installed on the top of the uppermost elevator outer box 200, the auxiliary driving device 400 corresponds to the main driving device 300, and the auxiliary driving device 400 includes:
the second rotating roller shaft 410 is parallel to the first rotating roller shaft 340;
two second bearing seats 420 are arranged on two ends of the outer wall of the second rotating roller shaft 410 from left to right, a second rotating speed sensor is arranged on the outer wall of the second bearing seats 420, a measuring head on the second rotating speed sensor corresponds to the second rotating roller shaft 410, the second bearing seats 420 are arranged on the top of the elevator outer box 200 at the uppermost end through bolts, the second rotating roller shaft 410 is arranged on the top of the elevator outer box 200 at the uppermost end through the two second bearing seats 420, and the second rotating speed sensor is connected with a PLC (programmable logic controller) through a data line;
a plurality of fourth gears 430, the plurality of fourth gears 430 being mounted on the outer wall of the second rotating roller shaft 410, the plurality of fourth gears 430 each being between the two second bearing housings 420;
referring again to fig. 1, two elevator tracks 500 are symmetrically installed at symmetrical corners of the inner cavity of the elevator outer box 200;
referring to fig. 1 again, the inner car 600 is disposed in the inner cavity of the elevator outer box 200, the top of the inner car 600 is connected to the third gear 370 and the fourth gear 430 by chains, and the inner car 600 is driven to move up and down by the main driving device 300 and the auxiliary driving device 400;
referring to fig. 1 to 5, two brake assemblies 700 are symmetrically installed at symmetrical corners of the top of the inner car 600, the brake assemblies 700 correspond to the elevator track 500, the brake assemblies 700 are fastened to the outer side walls of the elevator track 500, and the brake assemblies 700 include:
the two brake mounting plates 710 are symmetrically mounted on the top symmetrical corners of the inner car 600;
the four guide wheels 720 are installed on the front surface of the brake installation plate 710 in a rectangular shape through bearings, the guide wheels 720 are clamped on the outer wall of the elevator track 500, the inner side surfaces of the guide wheels 720 are in contact with the elevator track 500, and the inner car 600 is guided through the matching use of the guide wheels 720 and the elevator track 500;
two electromagnets 730 are symmetrical installs the front surface at brake mounting panel 710, two electromagnets 730 are all in four guide pulley 720's inboard, electromagnet 730 joint is on elevator track 500's outer wall, electromagnet 730 does not contact with elevator track 500, electromagnet 730 passes through relay and PLC control electric connection, when interior car 600 hypervelocity, 340 and 410 rotational speed acceleration are detected to first rotational speed sensor and second sensor, first rotational speed sensor and second sensor send signal to the PLC controller, PLC controller control relay switch-on electromagnet 730 power, electromagnet 730 circular telegram is given birth to magnetism and is produced suction to elevator track 500, with this movement speed that reduces interior car 600, reduce interior car 600 through the mode of soft braking, reduce interior car 600 because of the impact force of inertia production, the effectual safety of protecting inside people and thing.
While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A lifting machine with overspeed protection is characterized in that: the method comprises the following steps:
a plurality of mounting plates (100);
the elevator outer boxes (200) and the mounting plates (100) are mutually staggered, stacked and mounted together;
the main driving device (300), the main driving device (300) is installed on the top of the elevator outer box (200) at the uppermost end;
the auxiliary driving device (400), the auxiliary driving device (400) is installed on the top of the elevator outer box (200) at the uppermost end, and the auxiliary driving device (400) corresponds to the main driving device (300);
the two elevator tracks (500) are symmetrically arranged on the symmetrical corners of the inner cavity of the outer box (200) of the hoisting machine;
the inner car (600), the inner car (600) is arranged in the inner cavity of the elevator outer box (200), and the top of the inner car (600) is respectively connected with the main driving device (300) and the auxiliary driving device (400);
two brake components (700), two install that brake components (700) are symmetrical on the top symmetry angle of interior car (600), brake components (700) with elevator track (500) correspond, brake components (700) joint is in on the lateral wall of elevator track (500).
2. A hoisting machine with overspeed protection as claimed in claim 1, characterized in that: the main drive device (300) comprises:
a motor mounting plate (310);
a motor (320), wherein the motor (320) is arranged at the top middle end of the motor mounting plate (310);
a first gear (330), the first gear (330) being mounted on an output shaft of the motor (320);
a first rotating roller shaft (340);
two first bearing seats (350), wherein the two first bearing seats (350) are arranged at two ends of the outer wall of the first rotating roll shaft (340) from left to right;
a second gear (360), the second gear (360) being mounted on the first rotating roller shaft (340) adjacent to one end of the first gear (330);
a plurality of third gears (370), the plurality of third gears (370) being mounted on an outer wall of the first rotating roller shaft (340), the plurality of third gears (370) each being between two of the first bearing seats (350);
the transmission chain (380) is sleeved on the outer walls of the first gear (330) and the second gear (360).
3. A hoisting machine with overspeed protection as claimed in claim 1, characterized in that: the secondary drive device (400) comprises:
a second rotating roller shaft (410);
two second bearing seats (420), wherein the two second bearing seats (420) are arranged on two ends of the outer wall of the second rotating roller shaft (410) on the left and right;
a plurality of fourth gears (430), the plurality of fourth gears (430) being installed on an outer wall of the second rotating roller shaft (410), the plurality of fourth gears (430) each being between the two second bearing housings (420).
4. A hoisting machine with overspeed protection as claimed in claim 2, characterized in that: and a first rotating speed sensor is mounted on the outer wall of the first bearing seat (350), and a measuring head on the first rotating speed sensor corresponds to the first rotating roll shaft (340).
5. A hoisting machine with overspeed protection as claimed in claim 3, characterized in that: and a second rotating speed sensor is mounted on the outer wall of the second bearing seat (420), and a measuring head on the second rotating speed sensor corresponds to the second rotating roll shaft (410).
6. A hoisting machine with overspeed protection as claimed in claim 1, characterized in that: the brake assembly (700) includes:
a brake mounting plate (710);
the four guide wheels (720), the four guide wheels (720) are installed on the front surface of the brake installation plate (710) in a rectangular shape through bearings;
the two electromagnets (730) are symmetrically arranged on the front surface of the brake mounting plate (710), and the two electromagnets (730) are arranged on the inner sides of the four guide wheels (720).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121121700.8U CN215854499U (en) | 2021-05-24 | 2021-05-24 | Elevator with overspeed protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121121700.8U CN215854499U (en) | 2021-05-24 | 2021-05-24 | Elevator with overspeed protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215854499U true CN215854499U (en) | 2022-02-18 |
Family
ID=80316862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121121700.8U Active CN215854499U (en) | 2021-05-24 | 2021-05-24 | Elevator with overspeed protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215854499U (en) |
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2021
- 2021-05-24 CN CN202121121700.8U patent/CN215854499U/en active Active
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