CN113860112A - Linkage device for safety gear underneath elevator - Google Patents
Linkage device for safety gear underneath elevator Download PDFInfo
- Publication number
- CN113860112A CN113860112A CN202111133088.0A CN202111133088A CN113860112A CN 113860112 A CN113860112 A CN 113860112A CN 202111133088 A CN202111133088 A CN 202111133088A CN 113860112 A CN113860112 A CN 113860112A
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- Prior art keywords
- rod
- safety gear
- lifting
- lifting rod
- elevator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a linkage device for an elevator with a lower safety gear. The invention has the beneficial effects that: the linkage device is directly arranged on the bracket at the bottom of the car through the fixing bracket, so that the linkage device is simple in structure, low in manufacturing cost, convenient and fast to install and easy to adjust; can adapt to the elevator of different width cars, when the length of drive rod was mediated to needs, carry the piece of drawing through upwards pulling, make to carry the piece of drawing and drive the inserted bar and break away from in the slot, then artificial pull transfer rod, make the length extension of drive rod, when reaching required length, the piece is carried to the pine, make the inserted bar reinsert different jacks under the reset action of spring, be convenient for adjust the length of drive rod according to the width of car, thereby can adapt to the elevator of different box widths.
Description
Technical Field
The invention relates to a linkage device, in particular to a linkage device for an elevator with a safety gear arranged below, and belongs to the technical field of elevator braking.
Background
The elevator mainly comprises a guide rail, a traction machine, a counterweight, a car, a safety device (such as a speed limiter, a safety gear, a buffer and the like), a signal control system, a hall door and the like, these devices are installed in the hoistway and machine room of a building, respectively, and usually use a friction transmission with a wire rope, which is passed around a traction sheave, the two ends of the elevator are respectively connected with a car and a counterweight, the motor drives a traction sheave to rotate so as to drive the car to lift, when the elevator is used, the requirements of safety and reliability, high conveying efficiency, accurate leveling, comfortable riding and the like need to be met, but various elevator accidents such as people clamping when the elevator is closed, top rushing or bottom rushing of the elevator car and the like often occur in real life, thereby bringing potential safety hazards, the elevator must be equipped with a car safety device to make it possible to urgently stop the elevator car in the event of an accident such as the car being overspeed or the car being separated from the floor and opening the door, wherein safety tongs are the most commonly used braking devices.
There are some problems in current safety tongs aggregate unit when using:
1) the existing linkage device has a complex structure, complex installation steps and inconvenient use;
2) the length of the existing safety gear lifting mechanism is usually fixed and can not be adjusted, the existing safety gear lifting mechanism cannot adapt to cars with different widths, and the applicability is low.
Disclosure of Invention
The invention aims to solve the problems and provide a linkage device for a safety gear lower elevator.
The invention realizes the purpose through the following technical scheme: comprises that
The transmission rod is used for linking the safety tongs on two sides and is fixedly arranged between the bottoms of the lift cars, an adjusting mechanism is arranged on the transmission rod, and a limiting mechanism is arranged on the upper side of the adjusting mechanism;
the clamping side of the first safety gear is arranged on two sides of the first guide rail, the lower side of the first safety gear is connected with a first lifting rod, one side, far away from the first safety gear, of the first lifting rod is hinged with a second lifting rod, and one side of the second lifting rod is connected with a transmission rod;
the clamping sides of the second safety gear are arranged on two sides of the second guide rail, the lower side of the second safety gear is connected with a third lifting rod, one side, away from the first safety gear, of the third lifting rod is hinged with a fourth lifting rod, and one side of the fourth lifting rod is hinged with a lifting plate;
and the lifting plate is hinged with the transmission rod.
As a still further scheme of the invention: the upper part of the transmission rod is sleeved with a striking plate, and the lower side of the striking plate is provided with an automatic reset switch installed at the bottom of the car.
As a still further scheme of the invention: and the two sides of the transmission rod are sleeved with torsion springs, one end of each torsion spring is connected with the rod body of the transmission rod, and the other end of each torsion spring is fixedly connected with the beating plate.
As a still further scheme of the invention: adjustment mechanism comprises sleeve, shifting chute, gag lever post, sliding sleeve and slider, the sleeve cup joints in one side of transfer line, and telescopic inside is provided with the shifting chute, the downside of shifting chute is provided with the gag lever post, two sliding sleeves, two have been cup jointed in the slip on the gag lever post the upside and the slider rigid coupling of sliding sleeve, one side and the one end rigid coupling of transfer line of slider.
As a still further scheme of the invention: be provided with a plurality of jack on the transfer line, and one side outer wall connection that the sleeve is located the jack has stop gear, stop gear comprises spacing frame, spout, slider, movable block, lifting piece, spring and inserted bar, stop gear's inside is provided with the mounting groove, and the both sides of mounting groove are provided with the spout, the inside sliding connection of spout has the slider, two the rigid coupling has the movable block between the slider, the rigid coupling has the spring between the upside of movable block and the mounting groove inner wall, and the downside rigid coupling of movable block have with jack matched with inserted bar.
As a still further scheme of the invention: the linkage device is directly installed on a bracket at the bottom of the car through a fixed support.
The invention has the beneficial effects that:
1. the linkage device is directly arranged on the bracket at the bottom of the car through the fixing bracket, so that the linkage device is simple in structure, low in manufacturing cost, convenient and fast to install and easy to adjust;
2. can adapt to the elevator of different width cars, when the length of drive rod was mediated to needs, carry the piece of drawing through upwards pulling, make to carry the piece of drawing and drive the inserted bar and break away from in the slot, then artificial pull transfer rod, make the length extension of drive rod, when reaching required length, the piece is carried to the pine, make the inserted bar reinsert different jacks under the reset action of spring, be convenient for adjust the length of drive rod according to the width of car, thereby can adapt to the elevator of different box widths.
Drawings
FIG. 1 is a schematic view of a linkage connection according to the present invention;
FIG. 2 is a schematic side view of a linkage connection according to the present invention;
FIG. 3 is a schematic view of a linkage adjustment mechanism according to the present invention;
fig. 4 is a schematic structural view of the linkage limiting mechanism of the present invention.
In the figure: 1. the elevator comprises a car bottom, 2, a lifting plate, 3, a transmission rod, 4, a first lifting rod, 5, a first safety gear, 6, a striking plate, 7, an automatic reset switch, 8, a second lifting rod, 9, a torsion spring, 10, a guide rail, 11, a second safety gear, 12, a second guide rail, 13, a fourth lifting rod, 14, an adjusting mechanism, 15, a sleeve, 16, a moving groove, 17, a limiting rod, 18, a sliding sleeve, 19, a jack, 20, a limiting mechanism, 2001, a limiting frame, 2002, a sliding groove, 2003, a sliding block, 2004, a movable block, 2005, a lifting block, 2006, a spring, 2007, an inserting rod, 21, a third lifting rod, 22 and a sliding block.
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.
Example one
Referring to fig. 1-4, a linkage device for a safety gear bottom elevator comprises
The transmission rod 3 is used for linking the safety gears at two sides and is fixedly arranged between the car bottoms 1, an adjusting mechanism 14 is arranged on the transmission rod 3, and a limiting mechanism 20 is arranged on the upper side of the adjusting mechanism 14;
the clamping side of the safety gear I5 is arranged on two sides of the guide rail I10, the lower side of the safety gear I5 is connected with a lifting rod I4, one side, far away from the safety gear I5, of the lifting rod I4 is hinged with a lifting rod II 8, and one side of the lifting rod II 8 is connected with the transmission rod 3;
the clamping side of the second safety gear 11 is arranged on two sides of the second guide rail 12, the lower side of the second safety gear 11 is connected with a lifting rod III 21, one side, far away from the first safety gear 5, of the lifting rod III 21 is hinged with a lifting rod IV 13, and one side of the lifting rod IV 13 is hinged with a lifting plate 2;
and the lifting plate 2 is hinged with the transmission rod 3.
In the embodiment of the invention, the driving rod 3 is sleeved with the striking plate 6, the lower side of the striking plate 6 is provided with the automatic reset switch 7 arranged at the bottom 1 of the car, so that the striking plate 6 can knock off the automatic reset switch 7 through the driving rod 3, a safety loop of the traction machine is cut off, and the elevator stops running.
In the embodiment of the invention, the linkage device is directly arranged on the bracket at the bottom 1 of the car through the fixing bracket, so that the structure is simple, the manufacturing cost is low, the installation is convenient and fast, and the adjustment is easy.
Example two
Referring to fig. 1-4, a linkage device for a safety gear bottom elevator comprises
The transmission rod 3 is used for linking the safety gears at two sides and is fixedly arranged between the car bottoms 1, an adjusting mechanism 14 is arranged on the transmission rod 3, and a limiting mechanism 20 is arranged on the upper side of the adjusting mechanism 14;
the clamping side of the safety gear I5 is arranged on two sides of the guide rail I10, the lower side of the safety gear I5 is connected with a lifting rod I4, one side, far away from the safety gear I5, of the lifting rod I4 is hinged with a lifting rod II 8, and one side of the lifting rod II 8 is connected with the transmission rod 3;
the clamping side of the second safety gear 11 is arranged on two sides of the second guide rail 12, the lower side of the second safety gear 11 is connected with a lifting rod III 21, one side, far away from the first safety gear 5, of the lifting rod III 21 is hinged with a lifting rod IV 13, and one side of the lifting rod IV 13 is hinged with a lifting plate 2;
and the lifting plate 2 is hinged with the transmission rod 3.
In the embodiment of the invention, the two sides of the transmission rod 3 are sleeved with the torsion springs 9, one end of each torsion spring 9 is connected with the rod body of the transmission rod 3, and the other end of each torsion spring 9 is fixedly connected with the striking plate 6, so that the striking plate 6 can be automatically reset under the action of the torsion springs.
In the embodiment of the invention, the adjusting mechanism 14 is composed of a sleeve 15, a moving groove 16, a limiting rod 17, a sliding sleeve 18 and a sliding block 22, the sleeve 15 is sleeved on one side of the transmission rod 3, the moving groove 16 is arranged inside the sleeve 15, the limiting rod 17 is arranged on the lower side of the moving groove 16, the two sliding sleeves 18 are sleeved on the limiting rod 17 in a sliding manner, the upper sides of the two sliding sleeves 18 are fixedly connected with the sliding block 22, one side of the sliding block 22 is fixedly connected with one end of the transmission rod 3, so that the length of the transmission rod 3 can be adjusted according to the width of a car, and the elevator with different box body widths can be adapted.
In the embodiment of the invention, a plurality of insertion holes 19 are formed in the transmission rod 3, a limiting mechanism 20 is connected to the outer wall of one side of the sleeve 15, which is located at the insertion holes 19, the limiting mechanism 20 is composed of a limiting frame 2001, sliding grooves 2002, sliding blocks 2003, movable blocks 2004, a lifting block 2005, a spring 2006 and an insertion rod 2007, an installation groove is formed in the limiting mechanism 20, the sliding grooves 2002 are formed in two sides of the installation groove, the sliding blocks 2003 are connected in the sliding groove 2002, the movable block 2004 is fixedly connected between the two sliding blocks 2003, the spring 2006 is fixedly connected between the upper side of the movable block 2004 and the inner wall of the installation groove, and the insertion rod 2007 matched with the insertion holes 19 is fixedly connected to the lower side of the movable block 2004, so that the adjustable length of the transmission rod 3 can be limited and fixed, and the use is convenient.
The working principle is as follows: when the linkage device for the safety tongs underslung elevator is used, firstly, the length of the transmission rod 3 is adjusted according to actual use conditions, the pulling block 2005 is pulled upwards to enable the pulling block 2005 to drive the insertion rod 2007 to be separated from the slot 19, then the transmission rod 3 is pulled manually to enable the length of the transmission rod 3 to be extended, when the required length is reached, the pulling block 2005 is loosened to enable the insertion rod 2007 to be inserted into different insertion holes 19 again under the reset action of the spring 2006, the length of the transmission rod 3 is adjusted according to the width of the elevator car, therefore, the linkage device can adapt to elevators with different box body widths, when the descending speed of the elevator car exceeds the action speed of the speed limiter due to the failure of the elevator, the speed limiter sends a signal and pulls the speed limiter steel wire rope, the pulling plate 2 is pulled by the speed limiter steel wire rope, the pulling plate 2 drives the pulling rod four 13 to move synchronously, the pulling rod four 13 drives the pulling rod three 21 to enable the second safety tongs 11 to clamp the second guide rail 12, meanwhile, the transmission rod 3 drives the lifting rod II 8 to rotate, the lifting rod II 8 rotates to drive the lifting rod I4 to control the safety gear I5 to tighten the guide rail 10, namely the safety gear I5 and the safety gear II 11 on two sides of the car are synchronously moved to brake and clamp the car on the guide rail through the operation of the lifting mechanism, and the beating plate 6 connected to the transmission rod 3 contacts the automatic reset switch 7 along with the rotation of the transmission rod 3 when the safety gear moves, so that the automatic reset switch 7 cuts off the loop current of the tractor, the tractor stops running, and the brake of the elevator is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a aggregate unit for safety tongs underslung elevator which characterized in that: comprises that
The transmission rods (3) used for linking the safety gears on the two sides are fixedly arranged between the car bottoms (1), the transmission rods (3) are provided with adjusting mechanisms (14), and the upper sides of the adjusting mechanisms (14) are provided with limiting mechanisms (20);
the clamping side of the first safety gear (5) is arranged on two sides of the first guide rail (10), the lower side of the first safety gear (5) is connected with a first lifting rod (4), one side, far away from the first safety gear (5), of the first lifting rod (4) is hinged with a second lifting rod (8), and one side of the second lifting rod (8) is connected with the transmission rod (3);
the clamping side of the second safety gear (11) is arranged on two sides of the second guide rail (12), the lower side of the second safety gear (11) is connected with a lifting rod III (21), one side, away from the first safety gear (5), of the lifting rod III (21) is hinged with a lifting rod IV (13), and one side of the lifting rod IV (13) is hinged with a lifting plate (2);
the lifting plate (2) is hinged with the transmission rod (3).
2. A linkage for a safety gear down-set elevator according to claim 1, characterized in that: the upper portion of the transmission rod (3) is sleeved with a beating plate (6), and an automatic reset switch (7) installed at the bottom of the car (1) is arranged on the lower side of the beating plate (6).
3. A linkage for a safety gear down-set elevator according to claim 1, characterized in that: and the two sides of the transmission rod (3) are sleeved with torsion springs (9), one ends of the torsion springs (9) are connected with the rod body of the transmission rod (3), and the other ends of the torsion springs are fixedly connected with the beating plate (6).
4. A linkage for a safety gear down-set elevator according to claim 1, characterized in that: adjustment mechanism (14) comprise sleeve (15), shifting chute (16), gag lever post (17), sliding sleeve (18) and slider (22), sleeve (15) cup joint in one side of transfer line (3), and the inside of sleeve (15) is provided with shifting chute (16), the downside of shifting chute (16) is provided with gag lever post (17), two sliding sleeve (18), two are cup jointed in the slip on gag lever post (17) the upside and the slider (22) rigid coupling of sliding sleeve (18), one side and the one end rigid coupling of transfer line (3) of slider (22).
5. A linkage for a safety gear down-set elevator according to claim 1, characterized in that: the transmission rod (3) is provided with a plurality of insertion holes (19), the outer wall of one side, located at the insertion holes (19), of the sleeve (15) is connected with a limiting mechanism (20), the limiting mechanism (20) is composed of a limiting frame (2001), sliding grooves (2002), sliding blocks (2003), movable blocks (2004), a lifting block (2005), a spring (2006) and an insertion rod (2007), an installation groove is formed in the limiting mechanism (20), the sliding grooves (2002) are formed in two sides of the installation groove, the sliding blocks (2003) are connected to the inside of the sliding grooves (2002) in a sliding mode, the movable blocks (2004) are fixedly connected between the two sliding blocks (2003), the spring (2006) is fixedly connected between the upper side of each movable block (2004) and the inner wall of the installation groove, and the insertion rod (2007) matched with the insertion holes (19) is fixedly connected to the lower side of each movable block (2004).
6. A linkage for a safety gear down-set elevator according to claim 1, characterized in that: the linkage device is directly arranged on a bracket at the bottom (1) of the car through a fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111133088.0A CN113860112A (en) | 2021-09-27 | 2021-09-27 | Linkage device for safety gear underneath elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111133088.0A CN113860112A (en) | 2021-09-27 | 2021-09-27 | Linkage device for safety gear underneath elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113860112A true CN113860112A (en) | 2021-12-31 |
Family
ID=78990792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111133088.0A Pending CN113860112A (en) | 2021-09-27 | 2021-09-27 | Linkage device for safety gear underneath elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113860112A (en) |
-
2021
- 2021-09-27 CN CN202111133088.0A patent/CN113860112A/en active Pending
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