CN209522442U - A kind of mechanical braking arrangement of express elevator limiter of speed - Google Patents
A kind of mechanical braking arrangement of express elevator limiter of speed Download PDFInfo
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- CN209522442U CN209522442U CN201822242918.3U CN201822242918U CN209522442U CN 209522442 U CN209522442 U CN 209522442U CN 201822242918 U CN201822242918 U CN 201822242918U CN 209522442 U CN209522442 U CN 209522442U
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- rope
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- connecting rod
- limiter
- speed
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Abstract
The utility model relates to a kind of mechanical braking arrangements of express elevator limiter of speed, including mechanical frizzen, rope-clamping connecting rod, hinged rope-clamping unit and the lifting unit hinged with rope-clamping connecting rod upper end with rope-clamping connecting rod lower end, the machinery frizzen is articulated in the support plate of limiter of speed by hinge joint, one end of mechanical frizzen is contacted with the centrifugation trigger mechanism of limiter of speed, the other end is against in rope-clamping connecting rod, the machinery frizzen is under the triggering of centrifugation trigger mechanism, it is loosened with rope-clamping connecting rod, rope-clamping unit clamping steel wire rope under the action of lifting unit.Compared with prior art, the utility model is braked by the lever principle using rope-clamping connecting rod, and reliable in action, sensitivity are higher；The direct clamping steel wire rope of rope-clamping unit is evaded because damage of the wirerope to rope sheave when limiter of speed is braked, helps to improve the service life.
Description
Technical field
The utility model relates to elevator technology fields, and in particular to a kind of mechanical braking machine of express elevator limiter of speed
Structure.
Background technique
Elevator governor is one of the safety con-trol part in elevator safety protection system.It monitors control sedan-chair at any time
The speed in compartment reaches the 115% of rated speed of lift when no matter which kind of reason makes carriage exceed the speed limit to elevator in operation
When, in addition fall danger when, can issue on-off model in time, cut off power supply circuit, brake traction machine.If electric
Ladder still can not be braked, and speed continues growing, then limiter of speed will drive mechanical braking and carriage is forced stop, to avoid occurring
Casualties and equipment damage accident.
Existing elevator governor includes a rope sheave, and safety rope is equipped on rope sheave, and one end of safety rope is fixed on electricity
On the sedan-chair body of ladder, the other end passes through rope sheave and tensioning wheel respectively, is equally fixed on the sedan-chair body of elevator, and the safety rope at this end is also
Connect the safety tongs of elevator.When elevator in normal speed ranges when driving, safety rope recycles between rope sheave and tensioning wheel, no
It will affect the operation of elevator, once elevator overspeed travels, safety rope will affect safety tongs, safety tongs is made to clamp cage guide,
Elevator is set to brake by force.What existing elevator governor used is all mechanical braking, damage ratio of the wirerope to rope sheave (race)
Larger, higher for the precision and intensity requirement of component each in limiter of speed, cost is larger.In addition, being by safe clamp brake
Caving-in bash is haveed no alternative but less than non-, does not open caliper easily.So on the one hand to control the speed of service of elevator, it is allowed to not
On the other hand overspeed will prevent the frequent unlatching of safety tongs, this puts forward new requirements elevator governor.Existing limit
Fast device is not high for sensitivity and stability, brakes and unreliable, it is therefore desirable to redesign to limiter of speed.
Mechanical braking arrangement is the important component of limiter of speed, and structure is complicated for existing machinery arrestment mechanism, manufacturing cost is high, limit
Wirerope be easy to cause damage to rope sheave (race) when fast device is braked, abrasion than more serious, and brake be not it is very sensitive, after braking
It is not easy to reset.
Utility model content
The purpose of this utility model is exactly to provide a kind of machinery of express elevator limiter of speed to solve the above-mentioned problems
Arrestment mechanism.
The purpose of this utility model is achieved through the following technical solutions:
A kind of mechanical braking arrangement of express elevator limiter of speed, including mechanical frizzen, rope-clamping connecting rod and rope-clamping connect
The hinged rope-clamping unit in extension bar lower end and the lifting unit hinged with rope-clamping connecting rod upper end, the machinery frizzen pass through hinge
Contact is articulated in the support plate of limiter of speed, and one end of mechanical frizzen is contacted with the centrifugation trigger mechanism of limiter of speed, the other end
It is against in rope-clamping connecting rod, the machinery frizzen loosens, the folder under the triggering of centrifugation trigger mechanism with rope-clamping connecting rod
Rope unit clamping steel wire rope under the action of lifting unit.
Further, the rope-clamping unit includes that rope-clamping determines block and rope-clamping motion block, and the rope-clamping determines block and is fixed at speed limit
On the bottom plate of device, the rope-clamping motion block is fixed at the lower end of rope-clamping connecting rod.
Further, the rope-clamping determines block and rope-clamping motion block and is respectively equipped with brake shoe on their opposite contact surfaces.
Further, the lower end of the rope-clamping connecting rod is articulated on the bottom plate of limiter of speed by ears connecting plate.
Further, the lifting unit includes the force value spring powered for triggering connecting rod and connecting with triggering connecting rod
Component, rope-clamping connecting rod upper end and triggering connecting rod end are hinged.
Further, the force value spring powered component includes force value spring, spring guiding axis, spring front end panel, bullet
Spring rear bearing sheet and adjusting nut, the force value spring are set on spring guiding axis, the both ends point of the spring guiding axis
It is not mounted between spring front end panel and spring rear bearing sheet, the adjusting nut is set to the rear portion of spring rear bearing sheet.
Further, the force value spring and spring guiding axis are equipped with 2-3 group.
Further, the rope-clamping connecting rod is equipped with contact tab, the end of the machinery frizzen and contact tab
Clamping.
Further, the contact tab is set to upper position among rope-clamping connecting rod.
Further, the mechanical frizzen is L shape workpiece, and hinge joint is located at the right angle of L shape workpiece.
The concrete operating principle of the utility model is the rope sheave of steel wire penetrating limiter of speed, when the lift car speed of service
When too fast, governor sheave does high speed rotation, once being more than normal speed, the centrifugation trigger mechanism triggering machine on rope sheave is arranged in
One end of tool frizzen, mechanical frizzen rotation, the mechanical frizzen other end are loosened with rope-clamping connecting rod, and rope-clamping unit passes through
Rope-clamping connecting rod clamping steel wire rope under the action of lifting unit completes mechanical braking.
The specific advantage of the utility model are as follows:
1, it is braked by the lever principle using rope-clamping connecting rod, reliable in action, sensitivity are higher；
2, the direct clamping steel wire rope of rope-clamping unit is evaded because wirerope is to the damage of rope sheave (race) when limiter of speed braking
It is bad, help to improve the service life.
3, mechanical frizzen is L shape workpiece, and hinge joint is located at the right angle of L shape workpiece, when resetting apparatus is resetted very
It is convenient, increase convenience and safety, prevents from causing personal injury.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model concrete application；
Fig. 3 is the top view for lifting unit.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment
Such as Fig. 1,2, a kind of mechanical braking arrangement of express elevator limiter of speed, including mechanical frizzen 1, rope-clamping connecting rod
2, mechanical to trigger with the hinged rope-clamping unit in 2 lower end of rope-clamping connecting rod and the lifting unit hinged with 2 upper end of rope-clamping connecting rod
Bar 1 is articulated in the support plate of limiter of speed by hinge joint, and one end of mechanical frizzen 1 and the centrifugation trigger mechanism of limiter of speed connect
Touching, the other end are against in rope-clamping connecting rod 2, and mechanical frizzen 1 is under the triggering of centrifugation trigger mechanism, with 2 pine of rope-clamping connecting rod
It is de-, rope-clamping unit clamping steel wire rope under the action of lifting unit.Mechanical frizzen 1 is L shape workpiece, and hinge joint is located at L shape work
The right angle of part.
Wherein, rope-clamping unit includes that rope-clamping determines block 7 and rope-clamping motion block 4, and rope-clamping determines the bottom plate that block 7 is fixed at limiter of speed
On, rope-clamping motion block 4 is fixed at the lower end of rope-clamping connecting rod 2.Rope-clamping determines block 7 with rope-clamping motion block 4 in their opposite contact surfaces
On be respectively equipped with brake shoe 6.The lower end of rope-clamping connecting rod 2 is articulated on the bottom plate of limiter of speed by ears connecting plate 5.
Such as Fig. 3, lifting unit includes the force value spring powered component for triggering connecting rod 8 and connecting with triggering connecting rod 8,
2 upper end of rope-clamping connecting rod and triggering 8 end of connecting rod are hinged.Force value spring powered component includes force value spring 11, spring guiding
Axis 9, spring front end panel 10, spring rear bearing sheet 12 and adjusting nut 13, force value spring 11 are set in spring guiding axis 9
On, the both ends of spring guiding axis 9 are separately mounted between spring front end panel 10 and spring rear bearing sheet 12, and adjusting nut 13 is set
In the rear portion of spring rear bearing sheet 12.Force value spring 11 and spring guiding axis 9 are equipped with 2 groups.It is convex that rope-clamping connecting rod 2 is equipped with contact
Block 3, the end of mechanical frizzen 1 and contact tab 3 are clamped.Contact tab 3 is set to the intermediate upper position of rope-clamping connecting rod 2.
When specific works, the rope sheave of steel wire penetrating limiter of speed, when the lift car speed of service is too fast, governor sheave
High speed rotation is done, once being more than normal speed, one end of the centrifugation trigger mechanism Crush trigger frizzen on rope sheave, machine are set
The rotation of tool frizzen, the mechanical frizzen other end are loosened with rope-clamping connecting rod, and rope-clamping unit is being lifted by rope-clamping connecting rod
Clamping steel wire rope under the action of unit completes mechanical braking.
It can understand the above description of the embodiments is intended to facilitate those skilled in the art and use practical
It is novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope is made and
Modification should be all within the protection scope of the utility model.
Claims (10)
1. a kind of mechanical braking arrangement of express elevator limiter of speed, which is characterized in that connect including mechanical frizzen (1), rope-clamping
Extension bar (2) and the hinged rope-clamping unit in rope-clamping connecting rod (2) lower end and the lifting list hinged with rope-clamping connecting rod (2) upper end
Member, the machinery frizzen (1) are articulated in the support plate of limiter of speed by hinge joint, one end of mechanical frizzen (1) and limit
The centrifugation trigger mechanism of fast device contacts, and the other end is against on rope-clamping connecting rod (2), and the machinery frizzen (1) is triggered in centrifugation
It under the triggering of mechanism, is loosened with rope-clamping connecting rod (2), rope-clamping unit clamping steel wire rope under the action of lifting unit.
2. a kind of mechanical braking arrangement of express elevator limiter of speed according to claim 1, which is characterized in that the folder
Unit of restricting includes that rope-clamping determines block (7) and rope-clamping motion block (4), and the rope-clamping is determined block (7) and is fixed on the bottom plate of limiter of speed, described
Rope-clamping motion block (4) is fixed at the lower end of rope-clamping connecting rod (2).
3. a kind of mechanical braking arrangement of express elevator limiter of speed according to claim 2, which is characterized in that the folder
Rope determines block (7) and rope-clamping motion block (4) is respectively equipped with brake shoe (6) on their opposite contact surfaces.
4. a kind of mechanical braking arrangement of express elevator limiter of speed according to claim 2, which is characterized in that the folder
The lower end of rope connecting rod (2) is articulated on the bottom plate of limiter of speed by ears connecting plate (5).
5. a kind of mechanical braking arrangement of express elevator limiter of speed according to claim 1, which is characterized in that described to mention
Drawing unit includes the force value spring powered component for triggering connecting rod (8) and connecting with triggering connecting rod (8), the rope-clamping connection
Bar (2) upper end and triggering connecting rod (8) end are hinged.
6. a kind of mechanical braking arrangement of express elevator limiter of speed according to claim 5, which is characterized in that the power
Value spring powered component includes force value spring (11), spring guiding axis (9), spring front end panel (10), spring rear bearing sheet
(12) and adjusting nut (13), the force value spring (11) are set on spring guiding axis (9), the spring guiding axis (9)
Both ends be separately mounted between spring front end panel (10) and spring rear bearing sheet (12), the adjusting nut (13) be set to bullet
The rear portion of spring rear bearing sheet (12).
7. a kind of mechanical braking arrangement of express elevator limiter of speed according to claim 6, which is characterized in that the power
It is worth spring (11) and spring guiding axis (9) and is equipped with 2-3 group.
8. a kind of mechanical braking arrangement of express elevator limiter of speed according to claim 1, which is characterized in that the folder
Connecting rod (2) are restricted equipped with contact tab (3), the end and contact tab (3) of the machinery frizzen (1) are clamped.
9. a kind of mechanical braking arrangement of express elevator limiter of speed according to claim 8, which is characterized in that described to connect
It touches convex block (3) and is set to rope-clamping connecting rod (2) intermediate upper position.
10. a kind of mechanical braking arrangement of express elevator limiter of speed according to claim 1, which is characterized in that described
Mechanical frizzen (1) is L shape workpiece, and hinge joint is located at the right angle of L shape workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242918.3U CN209522442U (en) | 2018-12-29 | 2018-12-29 | A kind of mechanical braking arrangement of express elevator limiter of speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242918.3U CN209522442U (en) | 2018-12-29 | 2018-12-29 | A kind of mechanical braking arrangement of express elevator limiter of speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209522442U true CN209522442U (en) | 2019-10-22 |
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ID=68228627
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822242918.3U Active CN209522442U (en) | 2018-12-29 | 2018-12-29 | A kind of mechanical braking arrangement of express elevator limiter of speed |
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| CN (1) | CN209522442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498638A (en) * | 2020-05-22 | 2020-08-07 | 福州快科电梯工业有限公司 | Mechanical speed limiting protection device for elevator and working method thereof |
-
2018
- 2018-12-29 CN CN201822242918.3U patent/CN209522442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498638A (en) * | 2020-05-22 | 2020-08-07 | 福州快科电梯工业有限公司 | Mechanical speed limiting protection device for elevator and working method thereof |
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