CN209322234U - A kind of elevator brake and the elevator including it - Google Patents
A kind of elevator brake and the elevator including it Download PDFInfo
- Publication number
- CN209322234U CN209322234U CN201821590612.0U CN201821590612U CN209322234U CN 209322234 U CN209322234 U CN 209322234U CN 201821590612 U CN201821590612 U CN 201821590612U CN 209322234 U CN209322234 U CN 209322234U
- Authority
- CN
- China
- Prior art keywords
- bolt
- iron core
- armature
- elevator brake
- 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.)
- Active
Links
Landscapes
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The utility model relates to a kind of elevator brake and including its elevator.The elevator brake is installed on base and including iron core, the armature matched with iron core, open tubular column and bolt group, one end of the open tubular column is contacted with base, the other end crosses the armature and contacts with the iron core, and the armature can move back and forth along the open tubular column；Each bolt in the bolt group crosses the iron core and passes through the open tubular column, wherein the bolt group includes M the first bolts and N number of second bolt so that the elevator brake to be fixed on the base, wherein M is integer more than or equal to 0, and N is positive integer, and M+N > 2；And wherein the outer-diameter accuracy of second bolt is greater than the outer-diameter accuracy of first bolt, and clearance fit value≤0.2mm of second bolt and the iron core and the open tubular column.
Description
Technical field
The utility model relates to elevator technology field more particularly to elevator traction brake techniques fields, more specifically relate to
And a kind of elevator brake.
Background technique
The elevator system of the rotor for braking suspension elevator wire rope is provided on elevator traction machine used at present
Dynamic device, when lift car stops, which keeps the stationary rotor of traction machine, to guarantee that lift car stops safety.
Not high (the outer diameter of outer-diameter accuracy of traditional elevator brake used plain bolt when being fixed on base
Variation is big), and positioning function is had no, therefore the fit clearance that certainly will be will lead between bolt and iron core and open tubular column is bigger than normal, leads
The center of arc face and rotor center for causing the friction plate indent on brake generate larger deviation, so as to cause following defects:
1, the contact surface of friction plate and rotor is bad, makes friction plate eccentric wear, causes braking moment insufficient when serious, causes electricity
Terraced security risk；
2, brake electromagnetism gap (when brake powers off, the gap between iron core and armature) changes greatly, and is easy to cause
Brake high noise or monitoring switch malfunction, rise elevator faults rate.
Therefore, how reliable location is carried out to brake, is to be worth issues that need special attention in elevator brake design.Institute
The elevator brake reliably braked can be can be realized under the various running conditions of elevator by being badly in need of one kind with this field.
It should be noted that the information for being disclosed in the utility model background technology part is merely intended to deepen to this reality
With the understanding of novel general background technique, and it is not construed as recognizing or implying in any form that information composition be
The prior art well known to the technical staff of field.
Utility model content
The purpose of this utility model provides one kind aiming at above-mentioned technological deficiency present in existing elevator brake
Improved, the higher elevator brake of safety coefficient.
One aspect according to the present utility model, provides a kind of elevator brake, and the elevator brake is installed on machine
On seat, which is characterized in that the elevator brake includes iron core, the armature matched with iron core, open tubular column and bolt group, institute
The one end for stating open tubular column is contacted with base, and the other end crosses the armature and contacts with the iron core, and the armature can be along institute
Open tubular column is stated to move back and forth；Each bolt in the bolt group crosses the iron core and passes through the open tubular column,
Wherein the bolt group includes M the first bolts and N number of second bolt so that the elevator brake is fixed on institute
It states on base, wherein M is integer more than or equal to 0, and N is positive integer, and M+N > 2；And
Wherein the outer-diameter accuracy of second bolt be greater than first bolt outer-diameter accuracy, and second bolt with
The clearance fit of the iron core and open tubular column value≤0.2mm.
Preferably, clearance fit value≤0.15mm of second bolt and the iron core and the open tubular column.
Preferably, the M+N=4, and at least one described second bolt is installed on the downside of the elevator brake.
It preferably, is single stepped hole or multistage stepped hole with the mounting hole of second bolt cooperation in the iron core.
Preferably, the iron core and the mounting hole of second bolt cooperation are divided into two sections, wherein that at armature
Section is smaller than another section of internal diameter at separate armature.
Preferably, the separate iron core of the armature is fixed with friction plate on one side, and the friction plate has interior concaved circular cambered surface,
The interior concaved circular cambered surface is bonded with the surface of rotor.
Preferably, spring is equipped between the iron core and the armature, and the core interior is additionally provided with coil.
Preferably, the iron core generates electromagnetic force when the coil is powered and armature is sucked, and makes to be fixed on armature
Friction plate is separated with the rotor of traction machine.
Preferably, the electromagnetic force of the iron core disappears in the coil blackout, and the spring pushes armature far from iron core
To make friction plate contact with Capstan rotor with elevator brake.
Other side according to the present utility model, provides a kind of elevator, and the elevator includes foregoing elevator
Brake.
The utility model has the following beneficial effects: by one in bolt group and the above quantity have be higher than it is common
The specific bolt (i.e. the second bolt) of the outer-diameter accuracy of bolt (i.e. the first bolt), to control the gap of itself and iron core and open tubular column
Value reduces offset of the brake on diameter of bolt direction, that is, uses the specific bolt (i.e. second with high outer-diameter accuracy
Bolt) with the cooperation of iron core brake is positioned, it ensure that the arc surface and rotor of the friction plate indent on brake
To neutrality, to ensure that friction plate circular arc is bonded completely with rotor surface, the contact area of friction plate and rotor is improved, is guaranteed
Braking moment, while electromagnetism gap variable quantity can also be reduced, reduce switch fault rate.
Detailed description of the invention
It is described in more detail below in conjunction with exemplary embodiment of the attached drawing to the utility model.Clearly to rise
See, identical component is shown in different attached drawings with identical label.In addition, those skilled in the art will appreciate that, attached drawing institute
The specific embodiment shown is merely exemplary, and they are not intended to limit the scope of the utility model, and the utility model
Attached drawing is not necessarily drawn to scale.Wherein,
Fig. 1 shows the positive structure diagram of the elevator brake of embodiment according to the present utility model；
Fig. 2 shows the side structure schematic views of the elevator brake of embodiment according to the present utility model；And
Fig. 3 shows the partial enlarged view in elevator brake shown in Fig. 1 at the second bolt.
Specific embodiment
It elaborates below in conjunction with attached drawing to the utility model exemplary embodiment.For clarity and brevity,
Actual embodiment is not limited to these technical characteristics described in this description.It should be noted that any one
Practical embodiments improve, during modification, to realize a certain specific target, the improvement, modification process may be
It is extremely complex and time-consuming, but this is still conventional skill for the those skilled in the art for knowing the utility model benefit
Art means.The present embodiment is implemented under premised on technical solutions of the utility model, give detailed embodiment and
Process, but the protection scope of the utility model includes but are not limited to following embodiments.
Certain terms are used to refer to particular system component from beginning to end in present specification.Such as those skilled in the art
As will be recognized, identical component can be usually indicated with different titles, thus present specification is not intended to distinguish
Those are only in nominally different rather than functionally different component.In present specification, make in open form
With the terms "include", "comprise" and " having ", and therefore should be construed as meaning " including but not limited to ... ".
The technical issues of the utility model is solved can be realized using following preferred embodiment.
Fig. 1 shows the positive structure diagram of the elevator brake of embodiment according to the present utility model.Such as Fig. 1 institute
Show, is installed on base 1 according to the elevator brake 10 of the utility model embodiment.It can be clear in conjunction with the partial enlarged view of Fig. 3
To find out to Chu, elevator brake 10 includes iron core 11, the armature 12 matched with iron core 11, open tubular column 13 and bolt group 16,
One end of the open tubular column 13 is contacted with base 1, and the other end crosses the armature 12 and contacts with the iron core 11, the armature
12 can move back and forth along the open tubular column 13.In addition, each bolt in the bolt group crosses the iron core 11 and passes through
The open tubular column 13 is worn so that the elevator brake 10 to be fixed on the base 1.
The utility model sets bolt group 16 to include M to solve the defect in the presence of the aforementioned prior art
First bolt (such as common lesser bolt of outer-diameter accuracy) and N number of second bolt 16-1 are to consolidate the elevator brake 10
Due on the base 1, wherein M is the integer more than or equal to 0, and N is positive integer, and M+N > 2；And wherein second spiral shell
The outer-diameter accuracy of bolt 16-1 is greater than the outer-diameter accuracy of first bolt, and the second bolt 16-1 and the iron core 11 and
Clearance fit value≤0.2mm of the open tubular column 13.Preferably, the second bolt 16-1 and the iron core 11 and described hollow
Clearance fit value≤0.15mm of column 13.
For example, at least one bolt in bolt group can be set to the second bolt with higher outer-diameter accuracy,
When being installed in iron core 11 and open tubular column 13 ,≤0.2mm can achieve with the clearance fit value of iron core 11 and open tubular column 13, it is excellent
Selection of land≤0.15mm.Making bolt group so not only has the fixed function that elevator brake 10 is fixed on to base 1, also has
Positioning function, ensure that brake and rotor to neutrality.
Second bolt 16-1 according to the present utility model can be made of various techniques, such as, but not limited to by pair
M12 type bolt carries out turning finishing to obtain the second spiral shell of the outer-diameter accuracy higher than plain bolt (the first bolt) of M10 type
Bolt.
A preferred embodiment according to the present utility model, as shown in Fig. 2, bolt group can include 4 bolts, i.e. M+ altogether
N=4, and at least one described second bolt 16-1 is installed on the downside of the elevator brake 10 (such as, but not limited to
Lower right side as shown in Figure 2).
In addition, another preferred embodiment according to the present utility model, in iron core 11 with the peace of the second bolt 16-1 cooperation
Dress hole can be set to single stepped hole or multistage stepped hole, to control the specific bolt and the iron core mating part
Length.
Preferably, as shown in figure 3, because bolt 16-1 outer-diameter accuracy is higher, so mounting hole in order to guarantee iron core 11
Precision, the mounting hole that the utility model preferably cooperates iron core 11 and bolt 16-1 is divided into two sections, wherein at armature 12
That section it is smaller than another section of internal diameter at separate armature 12.After bolt 16-1 passes through iron core 11 and open tubular column 13, because of itself and iron
Fit clearance≤0.2mm (preferably≤0.15mm) of core 11 and open tubular column 13, it is possible to effectively reduce brake 10 in spiral shell
The diametric offset of bolt 16-1, this ensure that brake 10 is with Capstan rotor 2 to neutrality.
In addition, as shown in Figure 1, the separate iron core 11 of armature 12 is further fixed on friction plate 17, the friction plate 17 on one side
With interior concaved circular cambered surface, the interior concaved circular cambered surface is bonded with the surface of Capstan rotor 2.
As shown in Figure 1, being equipped with spring 15 between iron core 11 and armature 12, and coil 14 is additionally provided with inside iron core 11.Work as line
Electromagnetic force is generated when circle 14 is powered, on iron core 11 armature 12 is sucked, make the friction plate 17 being fixed on armature 12 and traction machine
Rotor 2 separate.When coil 14 powers off, the electromagnetic force of iron core 11 disappears, and the spring 15 pushes armature 12 far from iron core 11
To make friction plate 17 contact with Capstan rotor 2 with elevator brake.
The interior concave arc of the friction plate 17 on brake 10 can be effectively reduced by the above-mentioned design of the utility model
The offset of median plane and 2 center of rotor, so that:
1, the fitting area for guaranteeing friction plate 17 and rotor 2 reduces the feelings because of the eccentric wear in the process of running of friction plate 17
Condition and the situation of braking moment deficiency occurred, improve the safety of elevator；
2, reduce brake 10 in the process of running electromagnetism gap (brake power off when, between iron core and armature between
Gap) variable quantity, efficiently reduce because electromagnetism gap variation caused by monitoring switch malfunction and brake 10 noise
Become larger, improves elevator operating efficiency.
Further embodiment according to the present utility model, provides a kind of elevator, and the elevator includes foregoing
Elevator brake.Since its core component has been described in detail above with structure, which is not described herein again.
Elevator brake structure provided by the utility model is practical succinct, and can effectively and reliably provide lift car
Reliable braking；It positions brake by the cooperation of the second bolt and iron core with high outer-diameter accuracy, to mention
The contact area of high friction plate and rotor guarantees braking moment, while can also reduce electromagnetism gap variable quantity, reduces switch event
Barrier rate, to improve elevator operating efficiency.
The purpose for diagram and explanation proposes the aforementioned disclosure of embodiment of the disclosure.It is not intended to thoroughly
It is lifting or the disclosure is made to be confined to disclosed precise forms.According to disclosed above, many changes of embodiment as described herein
It will be apparent for those of ordinary skill in the art with modification.It is restricted to note that above-mentioned example is not intended to
's.It is also contemplated that may include the additional embodiment of the device of many features described above, system and equipment.In research attached drawing and in detail
Describe in detail it is bright after, other devices of the disclosure, equipment, feature and advantage are more aobvious and easy for those skilled in the art
See.It is intended to all such other devices, equipment, feature and advantage include within the protection scope of the present utility model.
Otherwise understand unless specifically stated otherwise or in used context, otherwise such as " energy
It is enough ", "available", " possibility " or " can with " etc conditional statement is generally intended to reception and registration is that some embodiments may include but need not
Must include certain features and or element.Therefore, such conditional statement be usually not intended to imply that require in any way one or
Multiple embodiments must include the feature and or element.
Claims (10)
1. a kind of elevator brake (10), the elevator brake (10) is installed on base (1), which is characterized in that the electricity
Armature (12), open tubular column (13) and the bolt group (16) that terraced brake (10) includes iron core (11), matches with iron core (11),
One end of the open tubular column (13) is contacted with base (1), and the other end crosses the armature (12) and contacts with the iron core (11), institute
Stating armature (12) can move back and forth along the open tubular column (13)；Each bolt in the bolt group (16) crosses the iron core
(11) and the open tubular column (13) are passed through,
Wherein the bolt group (16) includes M the first bolts and N number of second bolt (16-1) with by the elevator brake
(10) it is fixed on the base (1), wherein M is integer more than or equal to 0, and N is positive integer, and M+N > 2；And
Wherein the outer-diameter accuracy of second bolt (16-1) is greater than the outer-diameter accuracy of first bolt, and second bolt
Clearance fit value≤0.2mm of (16-1) and the iron core (11) and the open tubular column (13).
2. elevator brake (10) according to claim 1, which is characterized in that second bolt (16-1) and the iron
Clearance fit value≤0.15mm of core (11) and the open tubular column (13).
3. elevator brake (10) according to claim 1 or 2, which is characterized in that
The M+N=4, and at least one described second bolt is installed on the downside of the elevator brake (10).
4. elevator brake (10) according to claim 1 or 2, which is characterized in that with described in the iron core (11)
The mounting hole of two bolts (16-1) cooperation is single stepped hole or multistage stepped hole.
5. elevator brake (10) according to claim 1 or 2, which is characterized in that the iron core (11) and described second
The mounting hole of bolt (16-1) cooperation is divided into two sections, wherein that section at armature (12) is than another at separate armature (12)
Section internal diameter is small.
6. elevator brake (10) according to claim 1 or 2, which is characterized in that the separate iron core of the armature (12)
(11) be fixed on one side friction plate (17), the friction plate (17) have interior concaved circular cambered surface, the interior concaved circular cambered surface and rotor
(2) surface fitting.
7. elevator brake (10) according to claim 6, which is characterized in that the iron core (11) and the armature (12)
Between be equipped with spring (15), and the iron core (11) inside be additionally provided with coil (14).
8. elevator brake (10) according to claim 7, which is characterized in that the iron core (11) is in the coil (14)
Electromagnetic force is generated when energization armature (12) is sucked, make the rotor of friction plate (17) and traction machine being fixed on armature (12)
(2) it separates.
9. elevator brake (10) according to claim 8, which is characterized in that the electromagnetic force of the iron core (11) is described
Coil (14) disappears when powering off, and the spring (15) pushes armature (12) far from iron core (11) to make friction plate (17) and traction
Machine rotor (2) is contacted with elevator brake.
10. a kind of elevator, which is characterized in that the elevator includes elevator brake as claimed in any one of claims 1-9 wherein
(10)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821590612.0U CN209322234U (en) | 2018-09-28 | 2018-09-28 | A kind of elevator brake and the elevator including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821590612.0U CN209322234U (en) | 2018-09-28 | 2018-09-28 | A kind of elevator brake and the elevator including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209322234U true CN209322234U (en) | 2019-08-30 |
Family
ID=67707453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821590612.0U Active CN209322234U (en) | 2018-09-28 | 2018-09-28 | A kind of elevator brake and the elevator including it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209322234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112357A (en) * | 2021-11-22 | 2022-03-01 | 昆山铁生精密科技有限公司 | Elevator brake assembly detection equipment and detection method |
-
2018
- 2018-09-28 CN CN201821590612.0U patent/CN209322234U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112357A (en) * | 2021-11-22 | 2022-03-01 | 昆山铁生精密科技有限公司 | Elevator brake assembly detection equipment and detection method |
| CN114112357B (en) * | 2021-11-22 | 2023-06-27 | 昆山铁生精密科技有限公司 | Elevator brake assembly detection equipment and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209322234U (en) | A kind of elevator brake and the elevator including it | |
| DE102008016277A1 (en) | Electromagnetically actuated clutch and water pump with an electromagnetically actuated clutch | |
| CN102128227A (en) | Electromagnet and friction composite disc type brake and brake method | |
| JPS59205083A (en) | Electromagnet for valve | |
| CN103089858A (en) | Electromagnetic brake, rotating electrical machine, and elevator | |
| CN103618409B (en) | The brake assemblies of Silent tubular motor | |
| CN103051151B (en) | Vertical type magnetic powder brake | |
| EP2675744B1 (en) | Fixing interface for a machinery brake, and a machinery brake | |
| CN101259941B (en) | Outer rotor type permanent magnetism synchronization gear wheel free traction machine | |
| CN208948747U (en) | A kind of elevator brake and the elevator including it | |
| CN105151949A (en) | Elevator guide rail capable of reducing noise | |
| CN201180072Y (en) | External rotor type permanent magnetism synchronous gearless machine | |
| CN201608577U (en) | Electric corrosion resistant rotor | |
| CN210885066U (en) | Steel wire rope steering and rope arranging device with floating structure | |
| CN208087125U (en) | A kind of unicoil brake | |
| CN203049179U (en) | Plastic circular weaving machine | |
| CN207644408U (en) | The brake bar of dress single effect lock tune device | |
| CN208900586U (en) | A kind of braked wheel | |
| CN102375398A (en) | Barrel for a self winding timepiece | |
| CN207961332U (en) | A kind of block brake | |
| EP1614209B1 (en) | Brake device for an electric motor | |
| CN206584791U (en) | One kind becomes sideshake proportion electro-magnet | |
| CN206943274U (en) | The traction brake system of synchronous release | |
| CN107045741A (en) | A kind of charging gun electromagnetism lock system, its control method and charging gun | |
| CN207192661U (en) | A kind of drum brake of elevator traction machine with self-lubricating structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201602 No.2 Xunye Road, Sheshan District, Songjiang Industrial Zone, Songjiang District, Shanghai Patentee after: Tisheng elevator (Shanghai) Co.,Ltd. Address before: 201602 No.2 Xunye Road, Sheshan District, Songjiang Industrial Zone, Songjiang District, Shanghai Patentee before: ThyssenKrupp Elevator (Shanghai) Co.,Ltd. |