CN108100805A - A kind of safety tongs based on elevator bi-directional braking - Google Patents
A kind of safety tongs based on elevator bi-directional braking Download PDFInfo
- Publication number
- CN108100805A CN108100805A CN201711043649.1A CN201711043649A CN108100805A CN 108100805 A CN108100805 A CN 108100805A CN 201711043649 A CN201711043649 A CN 201711043649A CN 108100805 A CN108100805 A CN 108100805A
- Authority
- CN
- China
- Prior art keywords
- voussoir
- fixed
- safety tongs
- directional
- elevator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
Classifications
-
- 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
- B66B5/22—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 by means of linearly-movable wedges
-
- 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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/044—Mechanical overspeed governors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention provides a kind of safety tongs based on elevator bi-directional braking, including safety tongs stent, fixed voussoir, needle roller row, bi-directional movable voussoir, adjusting mechanism, lifting rod, linkage board and compression spring, fixed voussoir is fixed on safety tongs stent, lifting rod is placed through safety tongs stent, lifting rod is fixedly connected with linkage board, linkage board is fixedly connected with bi-directional movable voussoir, compression spring is set on lifting rod, needle roller row is arranged between fixed voussoir and bi-directional movable voussoir, adjusting mechanism is arranged on safety tongs stent, and is connected with fixed voussoir.The beneficial effects of the invention are as follows that can realize bi-directional braking, elevator safety is improved, and compact-sized, installation and debugging are conveniently；The adjusting mechanism being arranged on safety tongs stent is error free when the balance of fixed voussoir and symmetrical, guarantee can not only be maintained to clamp, and ensures security, but also can be adjusted according to the brake request of different elevators, and the scope of application is wider.
Description
Technical field
The invention belongs to elevator components technical field, more particularly, to a kind of safety tongs based on elevator bi-directional braking.
Background technology
Safety tongs is safety component important in lift facility, when elevator hypervelocity, disconnected rope occurs when serious failure, is used
In by the urgent stop of car and car being clamped on cage guide.Safety tongs can elevator overspeed and it is out of control when play safety
The important function of guarantee, it may be said that exactly because the development of safety tongs, it is essential as a kind of skyscraper to be only elevator
Means of transport.
In the prior art, common safety tongs only has overspeed descending brake apparatus, can not without protection device for over-speed ascending
Prevention elevator is rushed to summit the generation of accident, can not ensure the security of elevator.
The content of the invention
The shortcomings that it is an object of the invention to overcome the prior art, provides a kind of safety tongs based on elevator bi-directional braking,
It can realize bi-directional braking, improve security.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of safety based on elevator bi-directional braking
Pincers including safety tongs stent, fix voussoir, needle roller row, bi-directional movable voussoir, adjusting mechanism, lifting rod, linkage board and compression spring,
The fixed voussoir is fixed on the safety tongs stent, and the lifting rod is placed through the safety tongs stent, described
Lifting rod is fixedly connected with the linkage board, and the linkage board is fixedly connected with the bi-directional movable voussoir, and the compression spring is arranged
On the lifting rod, the needle roller row is arranged between the fixed voussoir and the bi-directional movable voussoir, the adjusting machine
Structure is arranged on the safety tongs stent, and is connected with the fixed voussoir；The safety tongs stent include top panel, below
Plate, partition plate and connecting plate, the top panel are arranged in parallel with the lower panel, and the connecting plate is arranged on the top panel and institute
Between stating lower panel, the partition plate is fixed at the inside of the connecting plate, and the partition plate is mutually perpendicular to the connecting plate
It sets, described partition plate one end is connected with the fixed voussoir, is respectively provided on the partition plate, the top panel and the lower panel
There is sliding slot, the compression spring is arranged between the top panel and the lower panel；The adjusting mechanism includes adjustment bolt, slide plate
And elastic component, the slide plate are movably arranged in the sliding slot, the adjustment bolt is set through the connecting plate, the adjustment
Bolt one end is fixedly connected with the slide plate, and described elastic component one end is connected with the slide plate, the other end and the fixed voussoir
It is connected；The fixed voussoir is divided into fixed voussoir and lower fixed voussoir, and fixed voussoir is fixed on described
On panel, the lower fixed voussoir is fixed on the lower panel, fixed voussoir and the lower fixed voussoir
Guide surface is inclined-plane, and sliding surface and the slopes which match of the bi-directional movable voussoir are set.
Further, it is provided with brake block on the clamping face of the bi-directional movable voussoir.
Further, the working surface of the brake block is tooth-shape structure.
Further, the fixed voussoir and the matched inclined-plane of bi-directional movable voussoir are step structure.
Further, the bi-directional movable voussoir include left movable wedge and right movable wedge, the left movable wedge and
The right movable wedge is symmetricly set on the both sides of the lifting rod.
Further, the adjusting mechanism is provided with four groups, and four groups of adjusting mechanisms are separately positioned on fixed
The both sides of voussoir and lower fixed voussoir.
Further, the elastic component is spring.
The invention has the advantages and positive effects that：Due to the adoption of the above technical scheme, it can realize bi-directional braking, carry
High elevator safety, and compact-sized, installation and debugging are conveniently；The adjusting mechanism being arranged on safety tongs stent can not only be tieed up
The balance of fixed voussoir and symmetrical, error free when ensureing to clamp is held, ensures security, but also can be according to the braking of different elevators
It is required that being adjusted, the scope of application is wider.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structure diagram of mounting clamp stent of the present invention；
Fig. 3 is the structure diagram of partition plate of the present invention；
Fig. 4 is the structure diagram that voussoir is fixed in the present invention；
Fig. 5 is the structure diagram of the left movable wedge of the present invention.
In figure：
1st, safety tongs stent 11, top panel 12, connecting plate
13rd, lower panel 14, partition plate 15, sliding slot
2nd, fixed voussoir 21, upper fixed voussoir 22, lower fixed voussoir
23rd, guide surface 3, needle roller row 4, bi-directional movable voussoir
41st, left movable wedge 42, right movable wedge 43, brake block
44th, clamping face 45, tooth-shape structure 46, sliding surface
47th, step structure 5, adjusting mechanism 51, slide plate
52nd, elastic component 53, adjusting bolt 6, linkage board
7th, lifting rod 8, compression spring
Specific embodiment
With reference to embodiment and attached drawing, the present invention is described further.
As shown in Figures 1 to 5, the present embodiment provides a kind of safety tongs based on elevator bi-directional braking, including safety tongs branch
Frame 1, fixed voussoir 2, needle roller row 3, bi-directional movable voussoir 4, adjusting mechanism 5, lifting rod 7, linkage board 6 and compression spring 8, fixed voussoir
2 are fixed on safety tongs stent 1, and lifting rod 7 is placed through safety tongs stent 1, and lifting rod 7 is fixedly connected with linkage board 6,
Linkage board 6 is fixedly connected with bi-directional movable voussoir 4, and compression spring 8 is set on lifting rod 7, needle roller row 3 be arranged on fixed voussoir 2 with
Between bi-directional movable voussoir 4, adjusting mechanism 5 is arranged on safety tongs stent 1, and is connected with fixed voussoir 2.
Safety tongs stent 1 includes top panel 11, lower panel 13, partition plate 14 and connecting plate 12, top panel 11 and lower panel 13
It being arranged in parallel, connecting plate 12 is arranged above between plate 11 and lower panel 13, and partition plate 14 is fixed at the inside of connecting plate 12,
Partition plate 14 is arranged in a mutually vertical manner with connecting plate 12, and 14 one end of partition plate is connected with fixed voussoir 2, partition plate 14, top panel 11 and under
Sliding slot 15 is both provided on panel 13, compression spring 8 is arranged above between plate 11 and lower panel 13.
Adjusting mechanism 5 includes adjustment bolt 53, slide plate 51 and elastic component 52, and slide plate 51 is movably arranged in sliding slot 15, adjusts
Whole bolt 53 is set through connecting plate 12, and 53 one end of adjustment bolt is fixedly connected with slide plate 51,52 one end of elastic component and slide plate 51
Connection, the other end are connected with fixed voussoir 2.
Fixed voussoir 2 divides for upper fixed voussoir 21 and lower fixed voussoir 22, and upper fixed voussoir 21 is fixed at top panel
On 11, lower fixed voussoir 22 is fixed on lower panel 13, and the guide surface 23 of upper fixed voussoir 21 and lower fixed voussoir 22 is equal
For inclined-plane, sliding surface 46 and the slopes which match of bi-directional movable voussoir 4 are set.Needle roller row is arranged on sliding surface 46 and guide surface 23
Between.
Brake block 43 is provided on the clamping face 44 of bi-directional movable voussoir 4.In order to increase frictional force, improve clamping effect,
The working surface of brake block 43 is tooth-shape structure 45.Bi-directional movable voussoir 4 includes left movable wedge 41 and right movable wedge 42, left
Movable wedge 41 and right movable wedge 42 are symmetricly set on the both sides of lifting rod, and left movable wedge 41 and right movable wedge 42 pass through
Linkage board 6 is connected.
In order to prevent since active force is excessive, bi-directional movable voussoir 4 is made to depart from fixed voussoir 2, fixed voussoir 2 and two-way work
4 matched inclined-plane of dynamic voussoir is step structure 47.
Adjusting mechanism 5 is provided with four groups, and four groups of adjusting mechanisms 5 are separately positioned on fixed voussoir 21 and lower fixed voussoir 22
Both sides, there are four corresponding partition plate 14 is set.
Elastic component is spring.
When lift car is in normal operating condition, bi-directional movable voussoir 4 is in an intermediate position, bi-directional movable voussoir 4
Clamping face 44 keeps certain spacing with cage guide, and under abnormal elevator state, car quickly drops and speed reaches speed limit
During the responsiveness of device setting, limiter of speed is lifted up linkage board 6 by lifting rod 7, while drives on bi-directional movable voussoir 4
It moves, bi-directional movable voussoir 4 is moved upwards by needle roller row 3 along the guide surface 23 of upper fixed voussoir 21, until bi-directional movable wedge
The clamping face 44 of block 4 is in contact with cage guide, and brake block 43 firmly clamps cage guide, makes lift car stop motion,
So as to ensure the safety of passenger and article in lift car.When uplink exceeds the speed limit, lifting rod 7 drives downwards linkage board 6, while band
Dynamic bi-directional movable voussoir 4 moves down, and is moved downward along the guide surface 23 of lower fixed voussoir 22.
The beneficial effects of the invention are as follows：Due to the adoption of the above technical scheme, it can realize bi-directional braking, improve elevator safety
Property, and compact-sized, installation and debugging are conveniently；The adjusting mechanism being arranged on safety tongs stent can not only maintain fixed voussoir
Balance and symmetrical, error free when ensureing to clamp, ensure security, but also can be adjusted according to the brake request of different elevators
Section, the scope of application are wider.
One or more embodiments of the invention is described in detail above, but the content be only the present invention compared with
Good embodiment, it is impossible to be construed as limiting the practical range of the present invention.All equivalent changes made according to the present patent application scope
With improve etc., should all still belong to the present invention patent covering scope within.
Claims (7)
1. a kind of safety tongs based on elevator bi-directional braking, it is characterised in that：Including safety tongs stent, fixed voussoir, needle roller row,
Bi-directional movable voussoir, adjusting mechanism, lifting rod, linkage board and compression spring, the fixed voussoir are fixed at the safety tongs branch
On frame, the lifting rod is placed through the safety tongs stent, and the lifting rod is fixedly connected with the linkage board, the linkage
Plate is fixedly connected with the bi-directional movable voussoir, and the compression spring is set on the lifting rod, and the needle roller row is arranged on described
Between fixed voussoir and the bi-directional movable voussoir, the adjusting mechanism is arranged on the safety tongs stent, and with it is described solid
Determines voussoir is connected；
The safety tongs stent includes top panel, lower panel, partition plate and connecting plate, and the top panel is parallel with the lower panel to be set
It puts, the connecting plate is arranged between the top panel and the lower panel, and the partition plate is fixed at the connecting plate
Inside, the partition plate are arranged in a mutually vertical manner with the connecting plate, and described partition plate one end is connected with the fixed voussoir, it is described every
Sliding slot is both provided on plate, the top panel and the lower panel, the compression spring is arranged on the top panel and the lower panel
Between；
The adjusting mechanism includes adjustment bolt, slide plate and elastic component, and the slide plate is movably arranged in the sliding slot, the tune
Connecting plate described in whole bolt-through is set, and described adjustment bolt one end is fixedly connected with the slide plate, described elastic component one end and
The slide plate connection, the other end are connected with the fixed voussoir；
The fixed voussoir is divided into fixed voussoir and lower fixed voussoir, and fixed voussoir is fixed at the top panel
On, the lower fixed voussoir is fixed on the lower panel, the guiding of fixed voussoir and the lower fixed voussoir
Face is inclined-plane, and sliding surface and the slopes which match of the bi-directional movable voussoir are set.
2. the safety tongs according to claim 1 based on elevator bi-directional braking, it is characterised in that：The bi-directional movable voussoir
Clamping face on be provided with brake block.
3. the safety tongs according to claim 2 based on elevator bi-directional braking, it is characterised in that：The work of the brake block
Surface is tooth-shape structure.
4. the safety tongs according to claim 1 based on elevator bi-directional braking, it is characterised in that：The fixed voussoir and institute
It is step structure to state the matched inclined-plane of bi-directional movable voussoir.
5. the safety tongs according to claim 1 based on elevator bi-directional braking, it is characterised in that：The bi-directional movable voussoir
Including left movable wedge and right movable wedge, the left movable wedge and the right movable wedge are symmetricly set on the lifting rod
Both sides.
6. the safety tongs according to claim 1 based on elevator bi-directional braking, it is characterised in that：The adjusting mechanism is set
There are four groups, four groups of adjusting mechanisms are separately positioned on the both sides of fixed voussoir and lower fixed voussoir.
7. the safety tongs according to claim 1 based on elevator bi-directional braking, it is characterised in that：The elastic component is bullet
Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043649.1A CN108100805A (en) | 2017-10-31 | 2017-10-31 | A kind of safety tongs based on elevator bi-directional braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043649.1A CN108100805A (en) | 2017-10-31 | 2017-10-31 | A kind of safety tongs based on elevator bi-directional braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108100805A true CN108100805A (en) | 2018-06-01 |
Family
ID=62206257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711043649.1A Pending CN108100805A (en) | 2017-10-31 | 2017-10-31 | A kind of safety tongs based on elevator bi-directional braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108100805A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173913A (en) * | 2020-10-23 | 2021-01-05 | 晋江华菱电梯有限公司 | Safety elevator |
| CN113401763A (en) * | 2021-07-23 | 2021-09-17 | 苏州东方富力电梯部件有限公司 | Elevator safety tongs capable of realizing bidirectional braking and having high stability |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096020A (en) * | 1989-12-14 | 1992-03-17 | Kone Elevator Gmbh | Elevator safety apparatus |
| CN1319551A (en) * | 2000-04-14 | 2001-10-31 | 中国建筑科学研究院建筑机械化研究分院 | Bidirectional safety tongs for elevator |
| CN2721586Y (en) * | 2004-05-24 | 2005-08-31 | 宁波申菱电梯配件有限公司 | Bidirectional speed limited safety pliers for elevator |
| CN102120539A (en) * | 2010-12-30 | 2011-07-13 | 沈阳博林特电梯股份有限公司 | Electromagnetic wedge-shaped bidirectional rope gripper |
| CN103482448A (en) * | 2013-09-18 | 2014-01-01 | 宁波赛富特电梯部件有限公司 | Bilateral safe pliers |
| CN205953255U (en) * | 2016-08-03 | 2017-02-15 | 陕西小溪机电科技有限公司 | Bidirectional safety tongs for elevator |
| CN207511632U (en) * | 2017-10-31 | 2018-06-19 | 天津乐驰电梯配件有限公司 | A kind of elevator bidirectional safety tongs |
-
2017
- 2017-10-31 CN CN201711043649.1A patent/CN108100805A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096020A (en) * | 1989-12-14 | 1992-03-17 | Kone Elevator Gmbh | Elevator safety apparatus |
| CN1319551A (en) * | 2000-04-14 | 2001-10-31 | 中国建筑科学研究院建筑机械化研究分院 | Bidirectional safety tongs for elevator |
| CN2721586Y (en) * | 2004-05-24 | 2005-08-31 | 宁波申菱电梯配件有限公司 | Bidirectional speed limited safety pliers for elevator |
| CN102120539A (en) * | 2010-12-30 | 2011-07-13 | 沈阳博林特电梯股份有限公司 | Electromagnetic wedge-shaped bidirectional rope gripper |
| CN103482448A (en) * | 2013-09-18 | 2014-01-01 | 宁波赛富特电梯部件有限公司 | Bilateral safe pliers |
| CN205953255U (en) * | 2016-08-03 | 2017-02-15 | 陕西小溪机电科技有限公司 | Bidirectional safety tongs for elevator |
| CN207511632U (en) * | 2017-10-31 | 2018-06-19 | 天津乐驰电梯配件有限公司 | A kind of elevator bidirectional safety tongs |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173913A (en) * | 2020-10-23 | 2021-01-05 | 晋江华菱电梯有限公司 | Safety elevator |
| CN113401763A (en) * | 2021-07-23 | 2021-09-17 | 苏州东方富力电梯部件有限公司 | Elevator safety tongs capable of realizing bidirectional braking and having high stability |
| CN113401763B (en) * | 2021-07-23 | 2022-12-09 | 苏州东方富力电梯部件有限公司 | Elevator safety tongs capable of realizing bidirectional braking and having high stability |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180601 |