CN210944475U - Counterweight frame with electronic lifting safety tongs - Google Patents
Counterweight frame with electronic lifting safety tongs Download PDFInfo
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- CN210944475U CN210944475U CN201921614367.7U CN201921614367U CN210944475U CN 210944475 U CN210944475 U CN 210944475U CN 201921614367 U CN201921614367 U CN 201921614367U CN 210944475 U CN210944475 U CN 210944475U
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- safety gear
- safety
- counterweight frame
- lifting
- tongs
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Abstract
The utility model relates to a safety tongs is carried to electrified sub-heavy frame. The utility model discloses when using, overspeed detection and control module detect can send triggering signal to the electro-magnet when exceeding the settlement speed to the falling speed of heavy frame, and the electro-magnet is triggered and has got the electricity, moves armature by the actuation and moves towards the main part section of electro-magnet. When the movable armature moves, the safety gear lifting plate on one side of the fixed movable armature rotates inwards to drive the safety gear on the side to lift, and the linkage rod with a fixed length can pull the safety gear lifting plate on the other side to rotate inwards along with the safety gear lifting plate to drive the safety gear on the same side to lift synchronously. The safety tongs on both sides are synchronously lifted up to stop the counterweight frame. Therefore, adopt the utility model discloses a to heavy frame, no longer need overspeed governor, pit to rise tight device and overspeed governor wire rope, overall structure is compacter, and reducible occupation well space is about 100mm to adopt the electron to carry and draw, the action is reliable rapidly more, and the security is higher, and the fault rate is lower, more has market competition.
Description
Technical Field
The utility model relates to an elevator field, concretely relates to safety tongs is carried to electrified sub-heavy frame.
Background
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. The elevator safety tongs provide effective protection for the safe operation of the elevator, and are generally installed on a car frame or a counterweight frame; the elevator safety gear usually sets up in pairs, sets up respectively in the both sides of sedan-chair frame or counterweight frame, and the safety gear that sets up in pairs moves simultaneously in order to guarantee elevator operation safety.
In the prior art, the structure of the counterweight frame is shown in fig. 1 and 2, the safety gear 1 is arranged on a lower beam 21 at the lower part of the counterweight frame 2, and the safety gear is operated by mechanically lifting the speed governor steel wire rope, the steel wire rope and the steel wire rope lifting arm 3 need to additionally occupy a part of hoistway space (namely, a part of the distance of about 100mm needs to be reserved from the hoistway wall 13), and the structure is complex.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a charged electron is carried and is drawn safety tongs to heavy frame in order to solve the technical problem that the linkage safety tongs structure is complicated, take up an area of big on the heavy frame among the prior art.
In order to achieve the above object, the utility model discloses a technical scheme who adopts to heavy frame of safety tongs is carried to electrified son does:
a counterweight frame with electronic lifting safety tongs comprises a lower beam and the safety tongs, wherein the lower beam is of a box-type structure, a safety tong linkage mechanism is arranged in the lower beam, and the safety tongs are arranged at two ends of the safety tong linkage mechanism and extend out of the lower beam; the safety gear linkage mechanism comprises two safety gear lifting plates, mounting shafts, linkage rods, a reset spring, electromagnets and an overspeed monitoring and control module, wherein the two mounting shafts are symmetrically mounted at two ends of the lower beam relative to the lower beam, the two safety gear lifting plates are rotatably mounted on the corresponding mounting shafts relative to the lower beam in the middle, the linkage rods are obliquely mounted between the two safety gear lifting plates, a movable armature of the electromagnet is mounted on one of the safety gear lifting plates to drive the safety gear lifting plate to rotate inwards when the electromagnet is powered, and the overspeed monitoring and control module is electrically connected with the electromagnet to send a trigger signal to the electromagnet when the descending speed of the counterweight frame exceeds a set speed; the middle part of underbeam is provided with two dogs, and the gangbar passes two dogs, and reset spring suit is on the gangbar between two dogs, and reset spring is close to the tip of moving armature and this side dog butt, the opposite side and the lug butt on the gangbar.
The safety tongs lifting plate comprises a connecting plate, the outer end of the connecting plate extends out of the lower beam, and the safety tongs are installed at the outer end of the connecting plate.
The outer end of the connecting plate is provided with a long hole with the length direction along the length direction of the lower beam, and the safety gear is installed on the connecting plate through a bolt and can move along the length direction of the long hole.
The length of the linkage rod is adjustable and comprises a long nut and two short rods which are connected in series through the long nut.
The installation axle is fixed on the underbeam, and the safety tongs pulling plate is rotationally installed on corresponding installation axle.
Connecting shafts are arranged on the safety gear pulling plates on the two sides, the connecting shaft of one safety gear pulling plate is positioned at the upper end, the connecting shaft of the other safety gear pulling plate is positioned at the lower end, and the two ends of the linkage rod are connected to the connecting shafts.
The electromagnet is positioned above the linkage rod, the overspeed monitoring and control module is positioned below the linkage rod, and the armature is arranged at the upper end of the safety gear lifting plate of which the lower end is provided with the connecting shaft.
The utility model has the advantages that: the utility model discloses a safety tongs is carried to electrified sub-system to heavy frame when using, and the overspeed detection and control module detect can send triggering signal to the electro-magnet when exceeding the settlement speed to the falling speed of heavy frame, and the electro-magnet is triggered and is got the electricity, moves armature by the actuation and moves towards the main part section of electro-magnet. When the movable armature moves, the safety gear lifting plate on one side of the fixed movable armature rotates inwards to drive the safety gear on the side to lift, and the linkage rod with a fixed length can pull the safety gear lifting plate on the other side to rotate inwards along with the safety gear lifting plate to drive the safety gear on the same side to lift synchronously. The safety tongs on both sides are synchronously lifted up to stop the counterweight frame. Therefore, adopt the utility model discloses a to heavy frame, no longer need overspeed governor, pit to rise tight device and overspeed governor wire rope, overall structure is compacter, and reducible occupation well space is about 100mm to adopt the electron to carry and draw, the action is reliable rapidly more, and the security is higher, and the fault rate is lower, more has market competition.
Drawings
Fig. 1 is a schematic perspective view of a counterweight frame in the prior art;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic perspective view of an embodiment of a counterweight frame of the safety tongs with electronic lifting according to the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic perspective view of the safety gear mounted on the lower beam of FIG. 3, shown in an unretracted configuration;
FIG. 6 is a front view of FIG. 5;
fig. 7 is a schematic perspective view of the safety gear mounted on the lower beam of fig. 3 when it is pulled upward;
fig. 8 is a front view of fig. 7.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The utility model discloses a safety tongs is carried to electrified sub-structure to heavy frame is shown in fig. 3 to 8, include to heavy frame 2, include underbeam 21 and perpendicular roof beam 22 to heavy frame 2, install on the perpendicular roof beam 22 of both sides to heavily leading boots 4, and the below of underbeam 21 is installed to heavy buffer base 5. The lower beam 21 is a box-shaped beam, a safety gear linkage mechanism is arranged in the box-shaped beam, safety gears 1 are arranged at two ends of the safety gear linkage mechanism, the safety gears 1 extend out of the lower beam 21 to be matched with the counterweight guide rails, and the safety gear linkage mechanism is used for driving the safety gears 1 on two sides to synchronously move.
The safety gear linkage mechanism comprises a safety gear lifting plate 7, a mounting shaft 8, a linkage rod 9, a return spring 10, an electromagnet 11 and an overspeed monitoring and control module 12. Two mounting shafts 8 are symmetrically arranged at both ends of the lower beam 21 relative to the lower beam 21, and the safety gear lifting plate 7 is arranged on the mounting shafts 8 at the middle part and can rotate around the central axis of the corresponding mounting shafts 8 relative to the lower beam body 21. The safety gear lifting plate 7 may be fixed to the mounting shaft 8, or the mounting shaft 8 may be fixed to the lower beam 21 and the safety gear lifting plate 7 may be rotatably mounted to the mounting shaft 8. The outer end of the safety gear lifting plate 7 extends outwards to form a connecting plate 71 of the lower beam 21, and the safety gear 1 is installed at the end of the connecting plate 71. The linkage rod 9 is obliquely arranged between the two safety gear lifting plates 7.
The connection between the safety gear 1 and the connection plate 71 is described in detail as follows: the end of the connecting plate 71 is provided with a long hole 73 with a length along the length direction of the lower beam 21, the safety gear 1 is installed in the long hole 73 through a bolt, and the bolt can move along the length direction of the long hole 73, so that the safety gear 1 can be vertically lifted when the safety gear lifting plate 7 rotates. In other embodiments, other connecting structures between the safety gear 1 and the connecting plate 71 can be adopted to ensure that the safety gear 1 is lifted vertically.
Specifically speaking, the method comprises the following steps: the safety gear lifting plates 7 on the two sides are provided with connecting shafts 72, the connecting shaft 72 on the left side is positioned at the upper end of the safety gear lifting plate 7, the connecting shaft 72 on the right side is positioned at the lower end of the safety gear lifting plate 7 on the right side, and the two ends of the linkage rod 9 are respectively installed on the corresponding connecting shafts 72. In other embodiments, the linkage rod 9 can be mounted on the safety gear lifting plate 7 in other manners. The linkage rod 9 and the safety gear lifting plate 7 can be fixed together, and can also be rotatably arranged on the connecting shaft 72, as long as the two safety gear lifting plates 7 can be driven to synchronously displace.
In a more preferred embodiment, the linkage 9 comprises two short rods connected in series by a long nut 91. Two short rod threads are arranged at two ends of the long nut 91, the total length of the linkage rod 9 can be adjusted through the long nut 91, and the requirement on the machining precision is reduced. It will be appreciated that in other embodiments, the linkage bar 9 may be a bar of non-adjustable length, in which case the linkage bar 9 may be of other configurations.
The overspeed detection and control module 12 is used for detecting the descending speed of the counterweight frame 2, the electromagnet 11 is in conductive connection with the overspeed detection and control module 12, when the overspeed detection and control module 12 detects that the descending speed of the counterweight frame 2 exceeds a set speed, the overspeed detection and control module 12 sends a trigger signal to the electromagnet 11, the electromagnet 11 is triggered to be electrified, and the movable armature 11-1 is attracted and moves towards the main body section 11-2 of the electromagnet 11. The overspeed detection and control module 12 is a product of the prior art, and its specific structure is not a modification of the present application, and the structure will not be described in detail in the present application. The electromagnet 11 is positioned above the linkage rod 9, the movable armature 11-1 is fixed at the upper end of the safety gear lifting plate 7 on the right side, when the movable armature 11-1 moves leftwards, the safety gear lifting plate 7 on the right side rotates anticlockwise inwards to drive the safety gear 1 on the right side to lift upwards, and the linkage rod 9 with a certain length can drive the safety gear lifting plate 7 on the left side to rotate clockwise inwards along with the safety gear lifting plate 7 on the left side to drive the safety gear 1 on the left side to lift synchronously. The safety gear 1 on both sides is lifted up synchronously to stop the counterweight frame.
The middle part of underbeam 21 is provided with two dogs 23, and gangbar 9 passes two dogs 23, and reset spring 10 suit is on gangbar 9 between two dogs 23, and reset spring 10's right-hand member and right side dog 23 butt, left end and the lug butt on the gangbar 9 to promote gangbar 9 to reply the home position after electro-magnet 11 loses the electricity, thereby drive safety tongs lifting plate 7 and safety tongs 1 and reply home position.
In other embodiments, the position relationship between the electromagnet 11 and the linkage rod 9 and the safety gear lifting plate 7 for fixing the movable armature 11-1 can be changed, and only when the electromagnet 11 is electrified, the movable armature 11-1 can drive the safety gear lifting plate 7 to rotate inwards so as to drive the safety gear 1 to lift; the safety gear lifting plate 7 can be in other structural forms.
Finally, the description is as follows: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a safety tongs is carried to electrified sub-frame, includes underbeam and safety tongs, and the underbeam is box structure, its characterized in that: the safety tongs are arranged at two ends of the safety tongs linkage mechanism and extend out of the lower beam; the safety gear linkage mechanism comprises two safety gear lifting plates, mounting shafts, linkage rods, a reset spring, electromagnets and an overspeed monitoring and control module, wherein the two mounting shafts are symmetrically mounted at two ends of the lower beam relative to the lower beam, the two safety gear lifting plates are rotatably mounted on the corresponding mounting shafts relative to the lower beam in the middle, the linkage rods are obliquely mounted between the two safety gear lifting plates, a movable armature of the electromagnet is mounted on one of the safety gear lifting plates to drive the safety gear lifting plate to rotate inwards when the electromagnet is powered, and the overspeed monitoring and control module is electrically connected with the electromagnet to send a trigger signal to the electromagnet when the descending speed of the counterweight frame exceeds a set speed; the middle part of underbeam is provided with two dogs, and the gangbar passes two dogs, and reset spring suit is on the gangbar between two dogs, and reset spring is close to the tip of moving armature and this side dog butt, the opposite side and the lug butt on the gangbar.
2. The counterweight frame with electronic lifting safety gear according to claim 1, characterized in that: the safety tongs lifting plate comprises a connecting plate, the outer end of the connecting plate extends out of the lower beam, and the safety tongs are installed at the outer end of the connecting plate.
3. The counterweight frame with electronic lifting safety gear of claim 2, characterized in that: the outer end of the connecting plate is provided with a long hole with the length direction along the length direction of the lower beam, and the safety gear is installed on the connecting plate through a bolt and can move along the length direction of the long hole.
4. The counterweight frame with electronic lifting safety gear according to claim 1, characterized in that: the length of the linkage rod is adjustable and comprises a long nut and two short rods which are connected in series through the long nut.
5. The counterweight frame with electronic lifting safety gear according to claim 1, characterized in that: the installation axle is fixed on the underbeam, and the safety tongs pulling plate is rotationally installed on corresponding installation axle.
6. The counterweight frame with electronic lifting safety gear according to claim 1, characterized in that: connecting shafts are arranged on the safety gear pulling plates on the two sides, the connecting shaft of one safety gear pulling plate is positioned at the upper end, the connecting shaft of the other safety gear pulling plate is positioned at the lower end, and the two ends of the linkage rod are connected to the connecting shafts.
7. The counterweight frame with electronic lifting safety gear of claim 6, characterized in that: the electromagnet is positioned above the linkage rod, the overspeed monitoring and control module is positioned below the linkage rod, and the armature is arranged at the upper end of the safety gear lifting plate of which the lower end is provided with the connecting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614367.7U CN210944475U (en) | 2019-09-26 | 2019-09-26 | Counterweight frame with electronic lifting safety tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614367.7U CN210944475U (en) | 2019-09-26 | 2019-09-26 | Counterweight frame with electronic lifting safety tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210944475U true CN210944475U (en) | 2020-07-07 |
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ID=71388710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921614367.7U Active CN210944475U (en) | 2019-09-26 | 2019-09-26 | Counterweight frame with electronic lifting safety tongs |
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| Country | Link |
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| CN (1) | CN210944475U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526094A (en) * | 2019-09-26 | 2019-12-03 | 西继迅达（许昌）电梯有限公司 | The counterweight frame of having electronic lifting safety tongs |
| US11261056B2 (en) | 2018-12-20 | 2022-03-01 | Otis Elevator Company | Elevator safety actuator systems |
-
2019
- 2019-09-26 CN CN201921614367.7U patent/CN210944475U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11261056B2 (en) | 2018-12-20 | 2022-03-01 | Otis Elevator Company | Elevator safety actuator systems |
| CN110526094A (en) * | 2019-09-26 | 2019-12-03 | 西继迅达（许昌）电梯有限公司 | The counterweight frame of having electronic lifting safety tongs |
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