CN214692768U - Intelligent safety tongs for elevator - Google Patents
Intelligent safety tongs for elevator Download PDFInfo
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- CN214692768U CN214692768U CN202120560632.9U CN202120560632U CN214692768U CN 214692768 U CN214692768 U CN 214692768U CN 202120560632 U CN202120560632 U CN 202120560632U CN 214692768 U CN214692768 U CN 214692768U
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- clamping block
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Abstract
The utility model provides an intelligent safety tongs for lift. The intelligent safety gear for the elevator comprises a first shell; the two second shells are symmetrically and rotatably arranged on the inner wall of the first shell; the clamping block is movably arranged in the second shell; the two positioning grooves are symmetrically formed in the clamping block; the two positioning rods are symmetrically and slidably mounted on the inner wall of the second shell and are movably connected with the inner walls of the corresponding positioning grooves; two detect the contact, two detect the contact symmetry fixed mounting in the first casing, just detect the contact with second casing swing joint. The utility model provides an intelligent safety tongs for lift has convenient to use, is convenient for protect safety tongs, and is convenient for detect the fixture block wearing and tearing, simultaneously, is convenient for change the fixture block, efficient advantage.
Description
Technical Field
The utility model relates to an elevator technical field especially relates to an intelligent safety tongs for elevator.
Background
A lifting operation platform is a multifunctional lifting mechanical device and can be divided into a fixed type, a movable type, a guide rail type, a crank arm type, a scissor fork type, a chain type, a loading and unloading platform and the like. Elevators are commonly used for rescue and decoration. When the elevator is used, in order to ensure the safety of personnel, safety tongs are usually used to emergently stop and clamp the elevator on the guide rail when the speed exceeds the limit speed set by the speed governor or in the case of breakage and looseness of the suspension rope.
However, the traditional safety gear has general buffering performance in the using process, the falling speed is high, the safety gear is easily damaged, the service life of the safety gear is influenced, the clamping block and the guide rail are rubbed and stopped, the clamping block is easily abraded, the abrasion of the clamping block is not conveniently detected, meanwhile, the clamping block is not conveniently replaced, and the efficiency is low.
Therefore, there is a need to provide a new intelligent safety gear for an elevator to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a convenient to use, be convenient for protect safety tongs, and be convenient for detect the fixture block wearing and tearing, simultaneously, be convenient for change the fixture block, efficient intelligent safety tongs for elevator.
In order to solve the technical problem, the utility model provides an intelligent safety tongs for elevator includes: a first housing; the two second shells are symmetrically and rotatably arranged on the inner wall of the first shell; the clamping block is movably arranged in the second shell; the two positioning grooves are symmetrically formed in the clamping block; the two positioning rods are symmetrically and slidably mounted on the inner wall of the second shell and are movably connected with the inner walls of the corresponding positioning grooves; the two detection contacts are symmetrically and fixedly arranged in the first shell, and are movably connected with the second shell; the two pull rods are symmetrically and slidably mounted on the inner wall of the top of the first shell, are rotatably connected with the corresponding second shell, and the top ends of the pull rods extend out of the first shell; the two supporting blocks are fixedly arranged at the top of the first shell; the mounting plate is slidably mounted on the supporting block; the compression spring is sleeved on the supporting block in a sliding manner, and two ends of the compression spring are fixedly connected with the first shell and the mounting plate respectively; the two threaded rods are symmetrically and rotatably arranged on the inner wall of the second shell and are in threaded connection with the corresponding positioning rods; the worm wheel is fixedly sleeved on the threaded rod; and the two worms are rotatably arranged on the inner wall of the second shell and are meshed with the corresponding worm wheels.
Preferably, a cavity is formed in the second housing, and one end of the worm extends into the cavity.
Preferably, the one end fixed mounting of worm has first bevel gear, rotate on the inner wall of cavity and install the dwang, fixed cover is equipped with second bevel gear on the dwang, first bevel gear and second bevel gear meshing, just the one end of dwang extends to outside the cavity.
Preferably, two through holes are symmetrically formed in the inner wall of the top of the first shell, and the pull rod is connected with the inner wall of each through hole in a sliding mode.
Preferably, two bolts are symmetrically and movably mounted on the mounting plate.
Preferably, the bottom of the mounting plate is symmetrically provided with two sliding grooves, and the supporting blocks are connected with the inner walls of the sliding grooves in a sliding manner.
Compared with the prior art, the utility model provides an intelligent safety tongs for elevator has following beneficial effect:
the utility model provides an intelligent safety tongs for an elevator, two second shells are symmetrically and rotatably arranged on the inner wall of a first shell, a clamping block is movably arranged in the second shells, two detection contacts are symmetrically and fixedly arranged in the first shell and are movably connected with the second shells, the clamping block can be abraded after the clamping block is rubbed with a guide rail, the rotating angle of the second shells can be once large, after the second shells are rotated and contacted with the detection contacts, the detection contacts can prompt that the clamping block is seriously abraded, the clamping block needs to be replaced, the clamping block is conveniently detected, the two positioning grooves are symmetrically arranged on the clamping block, the two positioning rods are symmetrically and slidably arranged on the inner wall of the second shell and are movably connected with the corresponding inner walls of the positioning grooves, the clamping block is convenient to take down and detach and replace, the compression spring is sleeved on the supporting block in a sliding mode, two ends of the compression spring are fixedly connected with the first shell and the mounting plate respectively, the pressure received by the safety gear is reduced when emergency braking is facilitated, and the safety gear is convenient to protect.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of an intelligent safety gear for an elevator according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic view of the structure of the right side of the present invention.
Reference numbers in the figures: 1. a first housing; 2. a second housing; 3. a clamping block; 4. positioning a groove; 5. positioning a rod; 6. detecting a contact; 7. a pull rod; 8. a support block; 9. mounting a plate; 10. a compression spring; 11. a threaded rod; 12. a worm gear; 13. a worm; 14. a first bevel gear; 15. rotating the rod; 16. a second bevel gear.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1, 2 and 3, the intelligent safety gear for an elevator includes: a first housing 1; the two second shells 2 are symmetrically and rotatably arranged on the inner wall of the first shell 1; the fixture block 3 is movably arranged in the second shell 2; the two positioning grooves 4 are symmetrically formed in the fixture block 3; the two positioning rods 5 are symmetrically and slidably mounted on the inner wall of the second shell 2, and the positioning rods 5 are movably connected with the corresponding inner walls of the positioning grooves 4; the two detection contacts 6 are symmetrically and fixedly arranged in the first shell 1, and the detection contacts 6 are movably connected with the second shell 2; the two pull rods 7 are symmetrically and slidably mounted on the inner wall of the top of the first shell 1, the pull rods 7 are rotatably connected with the corresponding second shell 2, and the top ends of the pull rods 7 extend out of the first shell 1; the two supporting blocks 8 are fixedly arranged at the top of the first shell 1; the mounting plate 9, the said mounting plate 9 is slidably mounted on the said supporting shoe 8; the compression spring 10 is sleeved on the supporting block 8 in a sliding manner, and two ends of the compression spring 10 are fixedly connected with the first shell 1 and the mounting plate 9 respectively; the two threaded rods 11 are symmetrically and rotatably arranged on the inner wall of the second shell 2, and the threaded rods 11 are in threaded connection with the corresponding positioning rods 5; the worm wheel 12 is fixedly sleeved on the threaded rod 11; two worms 13, two of the worms 13 are rotatably mounted on the inner wall of the second housing 2, and the worms 13 are meshed with the corresponding worm wheels 12.
A cavity is formed in the second housing 2, and one end of the worm 13 extends into the cavity.
The one end fixed mounting of worm 13 has first conical gear 14, rotate on the inner wall of cavity and install dwang 15, fixed cover is equipped with second conical gear 16 on the dwang 15, first conical gear 14 and the meshing of second conical gear 16, just the one end of dwang 15 extends to outside the cavity.
Two through holes are symmetrically formed in the inner wall of the top of the first shell 1, and the pull rod 7 is connected with the inner wall of each through hole in a sliding mode.
Two bolts are symmetrically and movably arranged on the mounting plate 9.
Two sliding grooves are symmetrically formed in the bottom of the mounting plate 9, and the supporting block 8 is connected with the inner walls of the sliding grooves in a sliding mode.
The utility model provides an intelligent safety tongs for lift's theory of operation as follows:
firstly, the top end of a pull rod 7 is connected with a speed limiter, when the speed limiter is started, the pull rod 7 can be driven to move upwards vertically, the pull rod 7 drives a second shell 2 to rotate, the second shell 2 drives a fixture block 3 to rotate, the fixture block 3 can be in contact with and extruded with a guide rail, and emergency braking is facilitated; the mounting plate 9 is fixed on the lifter through bolts, and under the action of the compression spring 10, the pressure received by the safety gear is reduced when the emergency braking is convenient, so that the safety gear is protected conveniently; the rotating rod 15 is rotated to drive the second bevel gear 16 to rotate, the second bevel gear 16 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the worm 13 to rotate, the worm 13 drives the worm wheel 12 to rotate, the worm wheel 12 drives the threaded rod 11 to rotate, and the threaded rod 11 drives the positioning rod 5 to move, so that the positioning rod 5 can be separated from the inner wall of the positioning groove 4, the clamping block 3 can be conveniently taken down and detached and replaced; make fixture block 3 receive wearing and tearing after fixture block 3 and guide rail friction, for making fixture block 3 and guide rail can contact the extrusion, the turned angle of second casing 2 can once be big, rotate when second casing 2 and detect contact 6 contact back, detect contact 6 can indicate that fixture block 3 wearing and tearing are serious, need change it, be convenient for detect fixture block wearing and tearing.
Compared with the prior art, the utility model provides an intelligent safety tongs for elevator has following beneficial effect:
the utility model provides an intelligent safety gear for elevator, two second shells 2 are symmetrically and rotatably installed on the inner wall of the first shell 1, a clamping block 3 is movably installed in the second shells 2, two detection contacts 6 are symmetrically and fixedly installed in the first shells 1, and the detection contacts 6 are movably connected with the second shells 2, so that the clamping block 3 is worn after the clamping block 3 is rubbed with a guide rail, the rotation angle of the second shells 2 is once large for the clamping block 3 to be contacted and extruded with the guide rail, after the second shells 2 are rotated and contacted with the detection contacts 6, the detection contacts 6 can prompt that the clamping block 3 is seriously worn, the clamping block is required to be replaced, the clamping block wear is convenient to be detected, two positioning grooves 4 are symmetrically arranged on the clamping block 3, and two positioning rods 5 are symmetrically and slidably installed on the inner wall of the second shells 2, and the positioning rod 5 is movably connected with the inner wall of the corresponding positioning groove 4, so that the clamping block 3 can be conveniently taken down and disassembled for replacement, the compression spring 10 is sleeved on the supporting block 8 in a sliding manner, and two ends of the compression spring 10 are respectively fixedly connected with the first shell 1 and the mounting plate 9, so that the pressure received by the safety gear can be reduced when the safety gear is in emergency braking, and the safety gear can be conveniently protected.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an intelligent safety tongs for lift which characterized in that includes:
a first housing;
the two second shells are symmetrically and rotatably arranged on the inner wall of the first shell;
the clamping block is movably arranged in the second shell;
the two positioning grooves are symmetrically formed in the clamping block;
the two positioning rods are symmetrically and slidably mounted on the inner wall of the second shell and are movably connected with the inner walls of the corresponding positioning grooves;
the two detection contacts are symmetrically and fixedly arranged in the first shell, and are movably connected with the second shell;
the two pull rods are symmetrically and slidably mounted on the inner wall of the top of the first shell, are rotatably connected with the corresponding second shell, and the top ends of the pull rods extend out of the first shell;
the two supporting blocks are fixedly arranged at the top of the first shell;
the mounting plate is slidably mounted on the supporting block;
the compression spring is sleeved on the supporting block in a sliding manner, and two ends of the compression spring are fixedly connected with the first shell and the mounting plate respectively;
the two threaded rods are symmetrically and rotatably arranged on the inner wall of the second shell and are in threaded connection with the corresponding positioning rods;
the worm wheel is fixedly sleeved on the threaded rod;
and the two worms are rotatably arranged on the inner wall of the second shell and are meshed with the corresponding worm wheels.
2. The intelligent safety gear for the elevator as claimed in claim 1, wherein the second housing is provided with a cavity, and one end of the worm extends into the cavity.
3. The intelligent safety gear for the elevator according to claim 2, wherein a first bevel gear is fixedly mounted at one end of the worm, a rotating rod is rotatably mounted on the inner wall of the chamber, a second bevel gear is fixedly sleeved on the rotating rod, the first bevel gear is meshed with the second bevel gear, and one end of the rotating rod extends out of the chamber.
4. The intelligent safety gear for the elevator according to claim 1, wherein two through holes are symmetrically formed on the inner wall of the top of the first housing, and the pull rod is slidably connected with the inner wall of the through hole.
5. The intelligent safety gear for the elevator according to claim 1, wherein two bolts are symmetrically and movably mounted on the mounting plate.
6. The intelligent safety gear for the elevator according to claim 1, wherein the bottom of the mounting plate is symmetrically provided with two sliding grooves, and the support block is slidably connected with the inner walls of the sliding grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120560632.9U CN214692768U (en) | 2021-03-18 | 2021-03-18 | Intelligent safety tongs for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120560632.9U CN214692768U (en) | 2021-03-18 | 2021-03-18 | Intelligent safety tongs for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214692768U true CN214692768U (en) | 2021-11-12 |
Family
ID=78571823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120560632.9U Active CN214692768U (en) | 2021-03-18 | 2021-03-18 | Intelligent safety tongs for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214692768U (en) |
-
2021
- 2021-03-18 CN CN202120560632.9U patent/CN214692768U/en active Active
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