CN211169391U - Car following type speed limiter - Google Patents
Car following type speed limiter Download PDFInfo
- Publication number
- CN211169391U CN211169391U CN201922117840.7U CN201922117840U CN211169391U CN 211169391 U CN211169391 U CN 211169391U CN 201922117840 U CN201922117840 U CN 201922117840U CN 211169391 U CN211169391 U CN 211169391U
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- car
- speed limiter
- connecting rod
- driving wheel
- synchronous belt
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Abstract
The utility model discloses a car following type speed limiter, which comprises a car and a speed limiter, wherein the speed limiter is connected on the car through bolts, the speed limiter consists of a driving wheel, a synchronous belt, a centrifugal block and a stop block, the driving wheel is connected in the middle of a bracket through a rotating shaft, the side wall of the car is connected with a rolling guide shoe through bolts, the speed limiter and the car are installed together, so that the speed limiter follows the car, the distance between the speed limiter and a safety clamp of the car is reduced, the triggering time of the safety clamp is shortened, the utilization rate of well space is improved, the driving wheel of the speed limiter is driven by the rolling guide shoe of the car and the synchronous belt component in a matching way, the moving speed of the car is conveniently represented in real time, when the car descends in an overspeed, the stop block rotates to trigger a contact switch, so that, and the safety of the elevator car is guaranteed by performing braking operation.
Description
Technical Field
The utility model relates to an elevator overspeed governor technical field specifically is a car trailing type overspeed governor.
Background
An elevator speed limiter is one of safety control components in an elevator safety protection system. When the elevator is in operation, no matter what reason causes the car to overspeed or even to fall, and all other safety protection devices do not work, the speed limiter and the safety tongs perform linkage action to stop the elevator car.
Conventional governors are mounted on the top of an elevator machine room or hoistway and safety tongs are mounted on the elevator car. The disadvantages of this approach: firstly, a driving chain (a steel wire rope) between the speed limiter and the safety tongs is too long, so that the triggering of the safety tongs is delayed, the speed is too high when the car is stopped, and therefore, large impact is generated, and even the stopping failure is possible; secondly, the speed governor and the tensioning device thereof need to occupy the space of the shaft separately, so that the utilization rate of the space of the shaft is reduced; thirdly, the connection of the speed limiter and the safety gear lifting mechanism needs to be completed on site, and the time for field installation and debugging is relatively long.
Therefore, the car following type speed limiter is provided for solving the problems in the prior art, the speed limiter is fixed on the outer side of a car, the speed limiter and the car follow up, the distance between the speed limiter and a safety clamp is reduced, the triggering time of the safety clamp is shortened, the utilization rate of a well space is improved, the speed limiter can be debugged when the car leaves a factory, the time for field installation and debugging is saved, and the problems that the speed limiter occupies the well space, the speed limiter is too long in distance from the safety clamp, the action of the safety clamp is delayed, and the debugging time for field installation of the speed limiter is long can be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a car following formula overspeed governor to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a car following type speed limiter comprises a car and a speed limiter, wherein the speed limiter is connected to the car through a bolt and consists of a driving wheel, a synchronous belt, a centrifugal block and a stop block, the driving wheel is connected to the middle of a support through a rotating shaft, the side wall of the car is connected with a rolling guide shoe through a bolt, the rolling guide shoe and the end key of a main shaft of the driving wheel are connected with synchronous belt wheels with the same specification, and the two groups of synchronous belt wheels are connected through a synchronous belt in a transmission way;
the centrifugal block is connected to the end part of the connecting rod through a bolt;
the dog passes through the pivot to be connected at the support lateral wall, just the dog is located the centrifugal piece outside, the support lateral wall has the contact switch who is located the dog outside through bolted connection, the contact switch passes through the wire and is connected with car stopper.
Preferably, the end part of the second pull rod is in threaded connection with a sleeve, and the sleeve is located on the outer side of the spring.
Preferably, the other side of the support is connected with a turntable through a rotating shaft, the axis of the turntable is aligned with the driving wheel, and the side wall of the turntable is connected with a lantern ring through a bolt.
Preferably, the inner side wall of the lantern ring is provided with a clamping groove, and the end part of the centrifugal block is provided with a protruding structure matched with the clamping groove.
Preferably, the turntable side wall is of a strip-shaped groove structure, and anti-skid grains are arranged on the inner wall of the strip-shaped groove.
Preferably, one side of the bracket is connected with a limiting column through a bolt, and the limiting column is positioned between the stop block and the contact switch.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model installs the speed limiter and the car together, so that the speed limiter follows the car, the distance between the speed limiter and the safety tongs of the car is reduced, the triggering time of the safety tongs is shortened, the utilization rate of the well space is improved, the driving wheel of the speed limiter is driven by the rolling guide shoe of the car to increase the matching of the synchronous belt components, the moving speed of the car is conveniently represented in real time, the connecting rod structures which are matched with each other are added at the inner side of the driving wheel, the centrifugal block is installed at the end part of the first connecting rod, when the driving wheel rotates, a certain centrifugal force is generated, so that the centrifugal block installed at the end part of the first connecting rod deflects outwards, one end of the first connecting rod and one end of the second connecting rod are connected through the first pull rod, under the matching connection of the second pull rod, the spring matched stopper installed at the end part of the second pull rod provides reverse pulling force for the second pull rod, install the contact switch structure on the support, when the device moves with surpassing the speed of setting for at a high speed, provide the centrifugal force of high strength by the drive wheel, thereby make the first connecting rod of installing centrifugal piece outwards remove, make centrifugal piece strike the dog with great dynamics, make the dog rotate and trigger the contact switch, thereby switch on the stopper of elevator car lower extreme installation, make the stopper switch on, brake operation carries out, guarantee elevator car's safety, also can debug the overspeed governor when dispatching from the factory, the time of on-the-spot installation debugging has been saved, can solve the overspeed governor and occupy well space, the overspeed governor is delayed with the action of safety tongs apart from overlength safety tongs, the long problem of on-the-spot installation overspeed governor debugging time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the transmission structure of the present invention;
fig. 3 is a schematic view of the connection structure of the driving wheel assembly of the present invention;
fig. 4 is a schematic view of the turntable structure of the present invention.
In the figure: 1 car, 2 overspeed governor, 3 drive wheels, 4 draw-in grooves, 5 centrifugal piece, 6 dogs, 7 supports, 8 roll and lead boots, 9 synchronous pulleys, 10 synchronous belts, 11 first connecting rods, 12 second connecting rods, 13 first pull rods, 14 second pull rods, 15 stopper, 16 springs, 17 stopper post, 18 contact switch, 19 stopper, 20 carousel, 21 lantern rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a car following type speed limiter comprises a car 1 and a speed limiter 2, wherein the speed limiter 2 is connected on the car 1 through a bolt, the speed limiter 2 consists of a driving wheel 3, a synchronous belt 10, a centrifugal block 5 and a stop block 6, the driving wheel 3 is connected in the middle of a support 7 through a rotating shaft, the side wall of the car 1 is connected with a rolling guide shoe 8 through a bolt, the rolling guide shoe 8 and the end key of a main shaft of the driving wheel 3 are connected with synchronous belt wheels 9 with the same specification, two groups of synchronous belt wheels 9 are in transmission connection through the synchronous belt 10, the speed limiter 2 and the car 1, the speed limiter 2 and the lift car 1 are driven, the distance between the speed limiter 2 and the safety tongs of the lift car 1 is reduced, the triggering time of the safety tongs is shortened, the utilization rate of the well space is improved, the driving wheel 3 of the speed limiter 2 is driven by the rolling guide shoe 8 of the car 1 in a manner of adding a synchronous belt 10 component in a matching manner, so that the moving speed of the car 1 can be conveniently expressed in real time;
the inner side wall of a driving wheel 3 is connected with a first connecting rod 11 through a rotating shaft, a centrifugal block 5 is connected with the end part of the first connecting rod 11 through a rotating shaft, the other side inside the driving wheel 3 is connected with a second connecting rod 12 matched with the first connecting rod 11 through a rotating shaft, one end of the first connecting rod 11 is hinged with one end of the second connecting rod 12 through a first pull rod 13, the other end of the second connecting rod 12 is hinged with a second pull rod 14, the other end of the second pull rod 14 is inserted in the middle of a limiting block 15, the end part of the second pull rod 14 is connected with a spring 16 in elastic contact with the limiting block 15 through a bolt, the centrifugal block 5 is connected with the end part of the first connecting rod 11 through a bolt, the inner side of the driving wheel 3 is added with a mutually matched connecting rod structure, the centrifugal block 5 is installed at the end part of the first connecting rod 11, when the driving wheel 3 rotates, a certain centrifugal force can be generated, under the matching connection of the second pull rod 14, the spring 16 arranged at the end part of the second pull rod 14 matches with the limiting block 15 to provide reverse pulling force for the second pull rod 14, so that the structure of the first connecting rod 11 can move outwards only by a certain centrifugal force;
dog 6 is connected at support 7 lateral wall through the pivot, and dog 6 is located the centrifugal piece 5 outside, there is the contact switch 18 that is located the dog 6 outside support 7 lateral wall through bolted connection, contact switch 18 is connected with car 1 stopper through the wire, install contact switch 18 structure on support 7, when the device is with surpassing the speed high-speed removal of settlement, provide the centrifugal force of high strength by drive wheel 3, thereby make the first connecting rod 11 of installing centrifugal piece 5 outwards remove, make centrifugal piece 5 strike dog 6 with great dynamics, make dog 6 rotate and trigger contact switch 18, thereby switch on the stopper of 1 lower extreme installation of elevator car, make the stopper switch-on, brake operation, ensure elevator car 1's safety.
Referring to fig. 3, a sleeve 19 is connected to the end of the second pull rod 14 through a screw thread, the sleeve 19 is located outside the spring 16, and the sleeve 19 is used for adjusting the compression amount of the spring 16 and changing the strength of the reverse acting force provided by the spring 16 to the second pull rod 14 under the cooperation of the sleeve 19 and the stopper 15, so that the centrifugal force required by the triggering of the adjusting device is adjusted.
Referring to fig. 1-4, the other side of the bracket 7 is connected with a turntable 20 through a rotating shaft, the axis of the turntable 20 is aligned with the driving wheel 3, the side wall of the turntable 20 is connected with a lantern ring 21 through a bolt, the inside wall of the lantern ring 21 is provided with a clamping groove 4, the end part of the centrifugal block 5 is provided with a protruding structure matched with the clamping groove 4, the side wall of the turntable 20 is of a strip-shaped groove structure, and the inner wall of the strip-shaped groove is provided with anti-skid grains, the added turntable 20 structure is used for being matched with a connecting rod structure installed on the side wall of the driving wheel 3, when the first connecting rod 11 provided with the centrifugal block 5 is subjected to the centrifugal force provided by the high-speed operation of the driving wheel 3, the centrifugal force reaches a certain strength, the centrifugal block.
Referring to fig. 2, one side of the bracket 7 is connected with a limiting column 23 through a bolt, the limiting column 23 is located between the stop 6 and the contact switch 18, and the limiting column 23 is used for limiting the stop 6 in a matching manner, so that the stop 6 is prevented from being turned over and separating from the range of the device.
The structure principle is as follows: the speed governor 2 and the car 1 are installed together, so that the speed governor 2 and the car 1 follow up, the distance between the speed governor 2 and the safety tongs of the car 1 is reduced, the triggering time of the safety tongs is shortened, the utilization rate of a well space is improved, the driving wheel 3 of the speed governor 2 is driven by the rolling guide shoe 8 of the car 1 in a matching way by adding a synchronous belt 10 component, so that the moving speed of the car 1 is conveniently represented in real time, a mutually matched connecting rod structure is added on the inner side of the driving wheel 3, the centrifugal block 5 is installed at the end part of the first connecting rod 11, when the driving wheel 3 rotates, a certain centrifugal force is generated, so that the centrifugal block 5 installed at the end part of the first connecting rod 11 deflects outwards, one end of the first connecting rod 11 and one end of the second connecting rod 12 are connected through the first pull rod 13, under the matching connection of the second pull rod 14, the spring 16 installed at the end part of the second, make first connecting rod 11 structure need certain centrifugal force can outwards remove, install contact switch 18 structure on support 7, when the device is with surpassing the high-speed removal of settlement speed, provide the centrifugal force of high strength by drive wheel 3, thereby make the first connecting rod 11 of installing centrifugal piece 5 outwards remove, make centrifugal piece 5 strike dog 6 with great dynamics, make dog 6 rotate and trigger contact switch 18, thereby the stopper of switch-on elevator car 1 lower extreme installation, make the stopper switch-on power, carry out brake operation, ensure elevator car 1's safety.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A car following type speed limiter comprises a car (1) and a speed limiter (2), and is characterized in that: the speed limiter (2) is connected to a car (1) through a bolt, the speed limiter (2) is composed of a driving wheel (3), a synchronous belt (10), a centrifugal block (5) and a stop block (6), the driving wheel (3) is connected to the middle of a support (7) through a rotating shaft, the side wall of the car (1) is connected with a rolling guide shoe (8) through a bolt, the rolling guide shoe (8) and the main shaft end key of the driving wheel (3) are connected with synchronous belt wheels (9) with the same specification, and the two groups of synchronous belt wheels (9) are in transmission connection through the synchronous belt (10);
the centrifugal block is characterized in that a first connecting rod (11) is connected to the inner side wall of the driving wheel (3) through a rotating shaft, the centrifugal block (5) is connected to the end portion of the first connecting rod (11) through a rotating shaft, a second connecting rod (12) matched with the first connecting rod (11) is connected to the other side of the interior of the driving wheel (3) through a rotating shaft, the first connecting rod (11) is hinged to one end of the second connecting rod (12) through a first pull rod (13), the other end of the second connecting rod (12) is hinged to a second pull rod (14), the other end of the second pull rod (14) is inserted into the middle of a limiting block (15), the end portion of the second pull rod (14) is connected with a spring (16) in elastic contact with the limiting block (15) through a bolt, and the centrifugal block (5) is connected;
dog (6) are connected at support (7) lateral wall through the pivot, just dog (6) are located centrifugal piece (5) outside, support (7) lateral wall has contact switch (18) that are located dog (6) outside through bolted connection, contact switch (18) are connected with car (1) stopper through the wire.
2. A car-following governor according to claim 1, wherein: the end part of the second pull rod (14) is in threaded connection with a sleeve (19), and the sleeve (19) is positioned on the outer side of the spring (16).
3. A car-following governor according to claim 1, wherein: the support (7) opposite side is connected with carousel (20) through the pivot, carousel (20) axle center is aligned with drive wheel (3), just carousel (20) lateral wall has lantern ring (21) through bolted connection.
4. A car-following governor according to claim 3, wherein: the inner side wall of the lantern ring (21) is provided with a clamping groove (4), and the end part of the centrifugal block (5) is provided with a protruding structure matched with the clamping groove (4).
5. A car-following governor according to claim 3, wherein: the carousel (20) lateral wall is the bar groove structure, and the non-slip texture has been seted up to bar inslot wall.
6. A car-following governor according to claim 1, wherein: one side of the support (7) is connected with a limiting column (17) through a bolt, and the limiting column (17) is located between the stop block (6) and the contact switch (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117840.7U CN211169391U (en) | 2019-12-02 | 2019-12-02 | Car following type speed limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117840.7U CN211169391U (en) | 2019-12-02 | 2019-12-02 | Car following type speed limiter |
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| Publication Number | Publication Date |
|---|---|
| CN211169391U true CN211169391U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922117840.7U Active CN211169391U (en) | 2019-12-02 | 2019-12-02 | Car following type speed limiter |
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| CN (1) | CN211169391U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114249203A (en) * | 2020-09-24 | 2022-03-29 | 湖南大举信息科技有限公司 | Safety protection device for multi-car parallel elevator |
| CN114249201A (en) * | 2020-09-24 | 2022-03-29 | 湖南大举信息科技有限公司 | Speed limiter for multi-car parallel elevator |
| CN114772409A (en) * | 2022-03-22 | 2022-07-22 | 中新国测检测有限公司 | Track speed limiter |
-
2019
- 2019-12-02 CN CN201922117840.7U patent/CN211169391U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114249203A (en) * | 2020-09-24 | 2022-03-29 | 湖南大举信息科技有限公司 | Safety protection device for multi-car parallel elevator |
| CN114249201A (en) * | 2020-09-24 | 2022-03-29 | 湖南大举信息科技有限公司 | Speed limiter for multi-car parallel elevator |
| CN114772409A (en) * | 2022-03-22 | 2022-07-22 | 中新国测检测有限公司 | Track speed limiter |
| CN114772409B (en) * | 2022-03-22 | 2023-11-14 | 中新国测检测有限公司 | Rail speed limiter |
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