CN222781209U - A traction elevator safety clamp - Google Patents
A traction elevator safety clamp Download PDFInfo
- Publication number
- CN222781209U CN222781209U CN202421687389.7U CN202421687389U CN222781209U CN 222781209 U CN222781209 U CN 222781209U CN 202421687389 U CN202421687389 U CN 202421687389U CN 222781209 U CN222781209 U CN 222781209U
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- fixedly connected
- safety tongs
- heat
- traction elevator
- silica gel
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Abstract
The utility model relates to the technical field of elevators and discloses a traction elevator safety tongs which comprises a safety tongs body and wedge blocks arranged at two sides in the safety tongs body. This traction elevator safety tongs, through the setting of radiator unit and heat conduction silica gel, when using, elevator car's decline speed exceeds the speed that the overspeed governor set for, the voussoir is locked for the safety tongs rebound elevator guide rail, realize the braking of car, when highly friction, the voussoir produces heat, heat transfer gives the heat conduction silica gel, heat conduction silica gel fills the tiny gap between voussoir and the copper plate, eliminate the air isolation, improve heat conduction efficiency, give the radiating fin on the copper plate with heat transfer, thereby radiating fin increase and external air contact's surface area reaches thermal quick transfer and give off, avoided the voussoir when carrying out friction with elevator guide rail, produce a large amount of heat, the increase life of voussoir has been improved, and the reliability and the security of increase safety tongs body.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to a traction elevator safety tongs.
Background
Safety gear is the safety protection device of elevator. An elevator safety gear is a safety gear that emergency stops and clamps a car on a guide rail when the elevator speed exceeds a limit (or rated) speed set by an elevator speed limiter under the operation of the speed limiter, or in the event of breakage and slackening of a suspension rope. It provides an effective protection for the safe operation of the elevator, which is generally mounted on the car frame or counterweight frame.
When the existing traction elevator safety tongs are used in practice, grease is arranged on the guide rail when the elevator safety tongs brake the guide rail, the possibility that clamping is unstable and descends again after braking possibly occurs, and safety of passengers is inconvenient to improve.
The utility model relates to the technical field of elevator equipment, in particular to a traction elevator safety tongs (publication number: CN 208980110U) which is searched for in the prior art. The elevator guide rail clamping device is arranged on two sides of a guide rail of an elevator and comprises a clamp body used for clamping the guide rail to stop the guide rail from moving and a control assembly used for controlling the clamp body, wherein a first mounting seat and a second mounting seat are sleeved on the guide rail, one end of the clamp body is hinged to the first mounting seat, the other end of the clamp body is slidably arranged on the second mounting seat, and the control assembly comprises an electromagnet arranged on the clamp body, and the electromagnet is connected with a power supply through a double-pole double-throw switch structure. The utility model has safe and stable operation and good stop effect.
The above patent makes the stop with the electro-magnet, but in use, when the wedge block rubs with the guide rail at a high speed, heat is generated, heat is not timely dissipated, and the service life of the wedge block is not convenient to improve.
Therefore, it is necessary to invent a traction elevator safety gear to solve the above problems.
Disclosure of utility model
(One) solving the technical problems
The utility model solves the technical problems that the traction elevator safety tongs have higher practicability and simpler structure through simple operation, and solve the problems that in the prior art, when in use, the wedge blocks and the guide rails rub at high speed, heat is generated, heat is not timely dissipated, and the service life of the wedge blocks is inconvenient to improve.
(II) technical scheme
The elevator traction safety tongs comprise a safety tongs body and wedge blocks arranged on two sides of the inside of the safety tongs body, wherein heat conducting silica gel is fixedly connected to two sides of the wedge blocks, a heat radiating assembly is fixedly arranged on the surface of the heat conducting silica gel, mounting holes are formed in the periphery of the top surface and the edge of the bottom surface of the safety tongs body, mounting columns are connected with inner threads of the mounting holes, one ends of the mounting columns are fixedly connected with connecting assemblies, buffer assemblies are sleeved on the surfaces of the mounting columns, locking assemblies are connected with the top ends of the surfaces of the mounting columns in threads, two supporting frames are fixedly connected to the bottom ends of the safety tongs body, pushing assemblies are fixedly connected to the inner side walls of the supporting frames, cleaning blocks are fixedly connected to one sides of the pushing assemblies, and speed sensors are fixedly connected to the edges of the inner side walls of the supporting frames.
As a further scheme of the utility model, the heat dissipation assembly comprises a copper plate fixedly connected to the surface of the heat conduction silica gel, and the surface of the copper plate is fixedly connected with heat dissipation fins which are convenient for increasing the contact area with air.
As a further scheme of the utility model, the connecting assembly comprises a compression spring fixedly connected to one end of the mounting column, and the top end of the compression spring is lapped with a connecting nut which is convenient for limiting.
As a further scheme of the utility model, the buffer assembly comprises a spring gasket sleeved on the surface of the mounting column, one side of the spring gasket is fixedly connected with a supporting spring, and the supporting spring has elasticity to reduce looseness of the mounting column.
As a further scheme of the utility model, the locking component comprises a lower nut which is connected with the top end of the surface of the mounting column in a threaded manner, the top end of the lower nut is fixedly connected with a tooth mouth ring, the surface of the tooth mouth ring is connected with an upper nut in a threaded manner, and the upper nut is convenient to connect.
As a further scheme of the utility model, the pushing assembly comprises a hydraulic rod fixedly connected to the inner side wall of the supporting frame, one end of the hydraulic rod is fixedly connected with a push plate, and the hydraulic rod is convenient to extend.
As a further scheme of the utility model, one side of one support frame is fixedly connected with a programmable logic controller, one side of the programmable logic controller is electrically connected with the speed sensor and the hydraulic rod respectively through power lines, and the programmable logic controller is convenient for monitoring and sending out instructions.
(III) beneficial effects
The utility model provides traction elevator safety tongs, which have the following beneficial effects:
1. this traction elevator safety tongs, through the setting of radiator unit and heat conduction silica gel, when using, elevator car's decline speed exceeds the speed that the overspeed governor set for, the voussoir upwards moves elevator guide rail locking for the safety tongs, realize the braking of car, when highly friction, the voussoir can produce a large amount of heat, heat transfer gives the heat conduction silica gel, heat conduction silica gel fills the tiny gap between voussoir and the copper board, eliminate the air isolation, improve heat conduction efficiency, give the radiating fin on the copper board with heat transfer, radiating fin increases the surface area with outside air contact, provide more cooling surfaces, thereby reach thermal quick transfer and give off, avoided the voussoir to produce a large amount of heat when carrying out friction with elevator guide rail, the increase of service life of voussoir has been improved, and the reliability and the security of increase safety tongs body.
2. This traction elevator safety tongs, through the setting of pushing subassembly, the cleaning block, speed sensor and programmable logic controller, when using, speed sensor monitors the speed that the speed of falling of elevator car exceeded the overspeed governor, speed is unusual, when the safety tongs moved, speed sensor sent the signal and give programmable logic controller, programmable logic controller sent the operation instruction and give the hydraulic stem, the hydraulic stem promotes simultaneously, with the cleaning block support the surface at the elevator guide rail, clean the spot on the guide rail, grease, thereby reach when the safety tongs braking, avoid spot on the guide rail, grease makes the voussoir fixed insecure, cause the secondary braking, stability and the passenger's of braking have been improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a pushing assembly according to the present utility model;
FIG. 3 is a schematic diagram of a speed sensor according to the present utility model;
FIG. 4 is a schematic view of a connecting assembly according to the present utility model;
Fig. 5 is a schematic structural diagram of a heat dissipating assembly according to the present utility model.
The safety tongs comprise a safety tongs body, a wedge block, a heat conducting silica gel, a heat radiating assembly, a copper plate, a heat radiating fin, a mounting column, a connecting assembly, a compression spring, a connecting nut, a damping assembly, a spring gasket, a supporting spring, a locking assembly, a lower nut, a tooth ring, a top nut, a supporting frame, a pushing assembly, a 1001, a hydraulic rod, a 1002, a push plate, a cleaning block, a speed sensor and a programmable logic controller.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a traction elevator safety tongs, including safety tongs body 1 and the voussoir 2 of setting in the inside both sides of safety tongs body 1, the both sides of voussoir 2 are all fixedly connected with heat conduction silica gel 3, heat dissipation assembly 4 is fixed with on the surface of heat conduction silica gel 3, through the setting of heat dissipation assembly 4 and heat conduction silica gel 3, thereby reach the quick transmission and the giving off of heat, avoid voussoir 2 when rubbing with the elevator guide rail, produce a large amount of heat, the increase of service life of voussoir 2, and the reliability and the security of safety tongs body 1 are increased, the mounting hole has all been seted up around the top surface of safety tongs body 1 and the edge of bottom surface, the inside threaded connection of mounting hole has erection column 5, the one end fixedly connected with coupling assembling 6 of erection column 5, the surface of the mounting column 5 is sleeved with a buffer component 7, the top end of the surface of the mounting column 5 is in threaded connection with a locking component 8, the bottom end of the safety tongs body 1 is fixedly connected with two supporting frames 9, the inner side wall of each supporting frame 9 is fixedly connected with a pushing component 10, one side of each pushing component 10 is fixedly connected with a cleaning block 11, the edge of the inner side wall of each supporting frame 9 is fixedly connected with a speed sensor 12, and the speed sensors 12 and the programmable logic controller 13 are arranged through the pushing components 10, the cleaning blocks 11, the speed sensors 12 and the programmable logic controller 13, so that the safety tongs are braked, meanwhile, stains and grease on guide rails are prevented from leading the wedge blocks 2 to be fixed insecurely, secondary braking is caused, and the stability of braking and the safety of passengers are improved;
The heat dissipation component 4 comprises a copper plate 401 fixedly connected to the surface of the heat conduction silica gel 3, and the surface of the copper plate 401 is fixedly connected with a heat dissipation fin 402, so that the heat dissipation is accelerated through the arrangement of the heat dissipation component 4;
The connecting component 6 comprises a compression spring 601 fixedly connected to one end of the mounting column 5, a connecting nut 602 is lapped at the top end of the compression spring 601, and the connecting stability is achieved through the arrangement of the connecting component 6;
The buffer component 7 comprises a spring gasket 701 sleeved on the surface of the mounting column 5, one side of the spring gasket 701 is fixedly connected with a supporting spring 702, and the buffer function is achieved through the arrangement of the buffer component 7;
The locking component 8 comprises a lower nut 801 which is in threaded connection with the top end of the surface of the mounting column 5, the top end of the lower nut 801 is fixedly connected with a tooth mouth ring 802, the surface of the tooth mouth ring 802 is in threaded connection with an upper nut 803, and the function of preventing the mounting column 5 from loosening is achieved through the arrangement of the locking component 8;
The pushing component 10 comprises a hydraulic rod 1001 fixedly connected to the inner side wall of the supporting frame 9, one end of the hydraulic rod 1001 is fixedly connected with a pushing plate 1002, and the cleaning block 11 is pushed through the arrangement of the pushing component 10;
One side of one supporting frame 9 is fixedly connected with a programmable logic controller 13, one side of the programmable logic controller 13 is electrically connected with a speed sensor 12 and a hydraulic rod 1001 through power lines respectively, and the programmable logic controller 13 plays roles of monitoring signals and sending operation instructions.
The working principle of the utility model is as follows: when the elevator car is in use, the safety tongs are connected with the bottom surface of the elevator car through the mounting posts 5, when the compression springs 601, the spring gaskets 701 and the supporting springs 702 are impacted or the elevator runs, the spring gaskets 701, the compression springs 601 and the supporting springs 702 are stressed and deformed, then elastic force is generated, the connecting nuts 602 are pushed reversely, the upper nuts 803 and the lower nuts 801 are tightly matched with each other, the nuts are prevented from loosening, the descending speed of the elevator car exceeds the speed set by the speed limiter, the wedge blocks 2 move upwards relative to the safety tongs to lock the elevator guide rails, braking of the elevator car is achieved, when high friction is carried out, a large amount of heat is generated by the wedge blocks 2, the heat is transferred to the heat conducting silica gel 3, the heat conducting silica gel 3 fills up a tiny gap between the wedge blocks 2 and the copper plate 401, air isolation is eliminated, the heat transfer efficiency is improved, the heat transfer fin 402 on the copper plate is increased, the surface area contacted with external air is increased, more heat dissipation surfaces are provided, when the elevator car descending speed sensor 12 carries out the speed of the elevator car exceeds the speed limiter, the speed of the speed limiter is carried out, the speed limiter is carried out to the speed controller is controlled by the speed limiter, the speed controller is controlled by the speed controller, the speed sensor is programmed to control the hydraulic controller is programmed to control the guide rail 11, the speed is programmed to be a logic bar is a logic programmed, and a logic is a logic bar is programmed, and a logic is used to be a logic control rod is programmed, and a logic is used for is a speed controller is used.
It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;
The standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The traction elevator safety tongs comprise a safety tongs body (1) and wedge blocks (2) arranged on two sides inside the safety tongs body (1), and are characterized in that the two sides of the wedge blocks (2) are fixedly connected with heat-conducting silica gel (3), a heat radiating component (4) is fixedly arranged on the surface of the heat-conducting silica gel (3), mounting holes are formed in the periphery of the top surface of the safety tongs body (1) and the edge of the bottom surface, mounting columns (5) are connected with inner threads of the mounting holes, one ends of the mounting columns (5) are fixedly connected with connecting components (6), the surfaces of the mounting columns (5) are sleeved with buffer components (7), top threads of the surfaces of the mounting columns (5) are connected with locking components (8), two supporting frames (9) are fixedly connected with the bottom end of the safety tongs body (1), a cleaning block (11) is fixedly connected to one side of the inner side wall of the supporting frame (9), and a speed sensor (12) is fixedly connected to the edge of the inner side wall of the supporting frame (9).
2. The traction elevator safety gear according to claim 1, wherein the heat dissipation assembly (4) comprises a copper plate (401) fixedly connected to the surface of the heat conducting silica gel (3), and heat dissipation fins (402) are fixedly connected to the surface of the copper plate (401).
3. The traction elevator safety gear according to claim 1, wherein the connecting assembly (6) comprises a compression spring (601) fixedly connected to one end of the mounting column (5), and a connecting nut (602) is lapped on the top end of the compression spring (601).
4. The traction elevator safety gear according to claim 1, wherein the buffer assembly (7) comprises a spring washer (701) sleeved on the surface of the mounting column (5), and a supporting spring (702) is fixedly connected to one side of the spring washer (701).
5. The traction elevator safety gear according to claim 1, wherein the locking assembly (8) comprises a lower nut (801) which is connected to the top end of the surface of the mounting column (5) in a threaded mode, a tooth ring (802) is fixedly connected to the top end of the lower nut (801), and an upper nut (803) is connected to the surface of the tooth ring (802) in a threaded mode.
6. The traction elevator safety gear according to claim 1, wherein the pushing assembly (10) comprises a hydraulic rod (1001) fixedly connected to the inner side wall of the supporting frame (9), and a push plate (1002) is fixedly connected to one end of the hydraulic rod (1001).
7. The traction elevator safety tongs according to claim 1, wherein one side of one supporting frame (9) is fixedly connected with a programmable logic controller (13), and one side of the programmable logic controller (13) is electrically connected with a speed sensor (12) and a hydraulic rod (1001) through power lines respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421687389.7U CN222781209U (en) | 2024-07-17 | 2024-07-17 | A traction elevator safety clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421687389.7U CN222781209U (en) | 2024-07-17 | 2024-07-17 | A traction elevator safety clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222781209U true CN222781209U (en) | 2025-04-22 |
Family
ID=95377943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421687389.7U Active CN222781209U (en) | 2024-07-17 | 2024-07-17 | A traction elevator safety clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222781209U (en) |
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2024
- 2024-07-17 CN CN202421687389.7U patent/CN222781209U/en active Active
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