CN218088448U - Adjustable lifting device for single-wedge safety tongs - Google Patents
Adjustable lifting device for single-wedge safety tongs Download PDFInfo
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- CN218088448U CN218088448U CN202221512171.9U CN202221512171U CN218088448U CN 218088448 U CN218088448 U CN 218088448U CN 202221512171 U CN202221512171 U CN 202221512171U CN 218088448 U CN218088448 U CN 218088448U
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- lifting
- guide rod
- linkage mechanism
- safety
- safety tongs
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- 239000004677 Nylon Substances 0.000 claims abstract description 16
- 229920001778 nylon Polymers 0.000 claims abstract description 16
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses an adjustable lifting device for single wedge block safety tongs, which comprises a nylon shoe lining, a guide rod base, a guide rod, a lifting base and a linkage mechanism lifting pin shaft, wherein the guide rod base is fixed on a car straight beam through a fastener, and the nylon shoe lining is clamped in the guide rod base; the upper end of the guide rod is sleeved in the nylon shoe bush; the lifting seat is fixed in the middle of the guide rod through a fastener; four mounting and adjusting holes which are arranged in a rectangular shape are formed in the lifting seat, wherein an upper mounting and adjusting hole and a lower mounting and adjusting hole respectively form an upper lifting point and a lower lifting point, the upper lifting point is externally connected with a speed limiter, and the lower lifting point is externally connected with a tensioning device; the linkage mechanism lifting pin shaft is arranged at the lower end of the guide rod and is connected with the safety gear linkage mechanism. The utility model discloses a carry and draw the device, improved the efficiency of maintaining the safety tongs, reduce the product maintenance cost, can carry according to the difference and draw the distance to adjust effectively, adapt to the dimensional change requirement of different overspeed governor diameters.
Description
Technical Field
The utility model relates to a lift and draw device with adjustable be used for single wedge piece safety tongs.
Background
The safety gear of an elevator is a safety protection device of the elevator. The elevator safety gear device is a safety device which emergently stops a car and clamps the car on a guide rail under the operation of a speed limiter when the speed of an elevator exceeds the set limit speed of the speed limiter of the elevator or in the case of breakage and looseness of a suspension rope. It provides effective protection for the safe operation of the elevator and is generally installed on a car frame or a counterweight frame. The safety tongs are divided into single-wedge safety tongs and double-wedge safety tongs. The safety gear is a protection device for providing safety braking for a car and passengers, generally, the safety gear is installed at the lower part of a car frame of an elevator at present, reciprocating linear motion is carried out up and down along the given direction of a guide rail, and the safety braking is realized through a lifting device. If the lifting device is not reliable in structure, the lifting device can be blocked, so that the safety tongs cannot act, and passengers and elevator equipment are damaged to different degrees.
Traditional elevator double wedge piece pulling apparatus installs usually on the elevator underbeam, and need protect personnel's periodic overhaul through the dimension, complex operation, simultaneously because the structure is complicated, social elevator is kept a large amount, has wasted a large amount of time, has increased the maintenance cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's defect, providing an adjustable device of drawing that carries that is used for single voussoir safety tongs, improved the efficiency of maintaining the safety tongs, reduce the product maintenance cost, can carry according to the difference and draw the distance to adjust effectively, adapt to the dimensional change requirement of different overspeed governor diameters.
The technical scheme for realizing the purpose is as follows: the utility model provides a pull-up device with adjustable be used for single voussoir safety tongs, includes nylon shoe-pad, guide bar frame, guide bar, pull-up seat and link gear and draws and draw the round pin axle, wherein:
the guide rod machine base is fixed on the straight beam of the lift car through a fastener,
the nylon shoe linings are clamped in the guide rod base;
the upper end of the guide rod is sleeved in the nylon shoe bush;
the lifting seat is fixed in the middle of the guide rod through a fastener;
the lifting seat is provided with four mounting and adjusting holes which are arranged in a rectangular shape, wherein the two mounting and adjusting holes which are arranged one above the other and one below the other respectively form an upper lifting point and a lower lifting point, the upper lifting point is externally connected with a speed limiter, and the lower lifting point is externally connected with a tensioning device;
the linkage mechanism lifting pin shaft is arranged at the lower end of the guide rod and is connected with the safety gear linkage mechanism.
The adjustable lifting device for the single-wedge safety tongs comprises a lifting pin shaft, a connecting piece and a lifting pin shaft.
An adjustable lifting device for single wedge safety gear as described above, wherein, the bottom end of the straight beam of the lift car is fixed on the lower beam of the lift car, and the safety tongs linkage mechanism are respectively arranged on the lower beam of the lift car.
The adjustable lifting device for the single-wedge safety tongs can realize reliable lifting of the safety tongs linkage mechanism by adopting the crank slider principle, effectively solves the problems of complex structure and difficult maintenance of the safety tongs linkage mechanism, simultaneously prevents the occurrence of the fault of corrosion and jamming by recycling the nylon boot liner, improves the efficiency of maintaining the safety tongs, and reduces the product and maintenance cost; and the lifting device is arranged on a straight beam of the lift car, moves up and down, and is reset through a torsion spring of the safety gear linkage mechanism, and meanwhile, when the lifting distance changes, the lifting device can be effectively adjusted according to different lifting distances, so that the lifting device is suitable for the size change requirements of different speed limiter diameters.
Drawings
Fig. 1 is a front view of an adjustable lifting device for a single wedge safety gear of the present invention;
fig. 2 is a using state diagram of the adjustable lifting device for single wedge safety tongs according to the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following detailed description is given with reference to the accompanying drawings:
referring to fig. 1 and 2, in a preferred embodiment of the present invention, an adjustable lifting device 1 for a single-wedge safety gear comprises a nylon shoe lining 101, a guide rod base 102, a guide rod 103, a lifting base 105 and a linkage mechanism lifting pin 107. The guide rod base 102 is fixed on the straight beam 5 of the lift car through a fastener, and the nylon shoe bush 101 is clamped in the guide rod base 102; the upper end of the guide rod 103 is sleeved in the nylon shoe lining 101, and the guide rod 103 can move up and down along the nylon shoe lining 101; the lifting seat 102 is fixed at the middle part of the guide rod 103 through a fastener; four mounting and adjusting holes 106 which are arranged in a rectangular shape are formed in the lifting seat 105, wherein an upper mounting and adjusting hole and a lower mounting and adjusting hole respectively form an upper lifting point 104 and a lower lifting point 104, the upper lifting point is externally connected with a speed limiter, and the lower lifting point is externally connected with a tensioning device; the linkage mechanism lifting pin 107 is arranged at the lower end of the guide rod 103 through a connecting sheet and is connected with the safety gear linkage mechanism 3.
The bottom end of the car straight beam 5 is fixed on the car lower beam 2, and the safety gear 4 and the safety gear linkage mechanism 3 are respectively arranged on the car lower beam 2. The lower beam 2 of the lift car is a frame structural part for fixing a safety gear 4, a safety gear linkage mechanism 3, a lifting device 1 and a straight beam 5 of the lift car, and plays a role of a frame; the safety gear 4 is provided with a single wedge block, in the process of moving along with the lift car, the gear body on one side is fixed, and the single wedge block on the other side moves along an inclined plane with an angle of 6 degrees; one end of the safety gear linkage mechanism 3 is pulled, and the other end is also pulled through the rotating shaft, so that the left single-wedge safety gear and the right single-wedge safety gear simultaneously act and are clamped on the guide rail; the utility model discloses a carry and draw device 1 and mainly play and carry the draw gear safety tongs link gear, this is carried and is drawn device 1 and install on car straight beam 5, reciprocates, realizes restoring to the throne through the safety tongs link gear torsional spring.
The utility model discloses a draw gear with adjustable be used for single voussoir safety tongs, when using, adopt the bolt to be fixed in on the straight roof beam 5 of car with draw gear 1's guide bar frame 102, link gear is carried simultaneously and is drawn round pin axle 107 and be connected with safety tongs link gear 3, stop suddenly when the elevator operation, it is static to carry a little 104, car underbeam 2 keeps the trend of downstream, it is together fixed to carry and draw seat 105 and guide bar 103, the guide bar 103 is passed to power, guide bar 103 rebound in nylon shoe lining 101 hole, make safety tongs link gear 3 also upwards swing, realize that single voussoir safety tongs size diminishes, reach and press from both sides tight guide rail, realize the function that urgent system stops. Meanwhile, the installer can adjust the requirements of the lifting points of different sizes of the speed limiters by adjusting and using different mounting and adjusting holes 106 according to actual conditions on site, so that the operation is convenient, and the effect of convenient maintenance is achieved.
To sum up, the adjustable lifting device for the single-wedge safety tongs of the utility model adopts the slider-crank principle to realize reliable lifting of the safety tongs linkage mechanism, effectively solves the problems of complex structure and difficult maintenance of the safety tongs linkage mechanism, and simultaneously recycles the nylon shoe linings to prevent the occurrence of the corrosion jamming failure, thereby improving the efficiency of maintaining the safety tongs and reducing the product maintenance cost; and the lifting device is arranged on a straight beam of the lift car, moves up and down, and is reset through a torsion spring of the safety gear linkage mechanism, and meanwhile, when the lifting distance changes, the lifting device can be effectively adjusted according to different lifting distances, so that the lifting device is suitable for the size change requirements of different speed limiter diameters.
It should be understood by those skilled in the art that the above embodiments are only used for illustrating the present invention, and not used as a limitation of the present invention, and that the changes and modifications to the above embodiments are all within the scope of the claims of the present invention as long as they are within the spirit of the present invention.
Claims (3)
1. The utility model provides a carry and draw device with adjustable be used for single voussoir safety tongs which characterized in that, draws round pin axle including nylon shoe-pad, guide bar frame, guide bar, carrying and draws seat and link gear, wherein:
the guide rod machine base is fixed on the straight beam of the cage through a fastener,
the nylon shoe linings are clamped in the guide rod base;
the upper end of the guide rod is sleeved in the nylon shoe bush;
the lifting seat is fixed in the middle of the guide rod through a fastener;
the lifting seat is provided with four mounting and adjusting holes which are arranged in a rectangular shape, wherein the two mounting and adjusting holes which are arranged one above the other and one below the other respectively form an upper lifting point and a lower lifting point, the upper lifting point is externally connected with a speed limiter, and the lower lifting point is externally connected with a tensioning device;
the linkage mechanism lifting pin shaft is arranged at the lower end of the guide rod and is connected with the safety gear linkage mechanism.
2. The adjustable lifting device for single wedge safety gear of claim 1, wherein said linkage mechanism lifting pin is provided at the lower end of said guide rod by a connecting piece.
3. The adjustable lifting device for single wedge safety gear of claim 1, wherein the bottom end of the car straight beam is fixed on the car lower beam, and the safety gear linkage mechanism are respectively arranged on the car lower beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221512171.9U CN218088448U (en) | 2022-06-16 | 2022-06-16 | Adjustable lifting device for single-wedge safety tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221512171.9U CN218088448U (en) | 2022-06-16 | 2022-06-16 | Adjustable lifting device for single-wedge safety tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218088448U true CN218088448U (en) | 2022-12-20 |
Family
ID=84476570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221512171.9U Active CN218088448U (en) | 2022-06-16 | 2022-06-16 | Adjustable lifting device for single-wedge safety tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218088448U (en) |
-
2022
- 2022-06-16 CN CN202221512171.9U patent/CN218088448U/en active Active
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