CN209263934U - Elevator brake disc detection system - Google Patents
Elevator brake disc detection system Download PDFInfo
- Publication number
- CN209263934U CN209263934U CN201920263912.6U CN201920263912U CN209263934U CN 209263934 U CN209263934 U CN 209263934U CN 201920263912 U CN201920263912 U CN 201920263912U CN 209263934 U CN209263934 U CN 209263934U
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- brake disc
- brake shoe
- face
- detection system
- lock washer
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Abstract
The utility model discloses a kind of elevator brake disc detection systems, for measuring the gap between brake disc and brake shoe, the brake disc is arranged on rotary roller, and the brake shoe is by oil cylinder and spring drive actions, displacement sensor is installed, institute's displacement sensors are arranged towards the brake disc on the brake shoe；Institute's displacement sensors are mounted on brake shoe by installation set, spherical washer, the first lock washer, the second lock washer and nut: the detection system further includes control device, and the control device is connected with institute's displacement sensors.The utility model detects the gap width between brake disc and brake shoe by displacement sensor, and measurement accuracy is up to 0.02mm, and measurement is accurate, reliable, it is ensured that production safety carries out.
Description
Technical field
The utility model relates to a kind of systems in gap at detection elevator brake disc.
Background technique
The brake disc of elevator is typically secured on rotary roller, and braking is realized in such a way that brake shoe is contacted with brake disc.Brake shoe
By oil cylinder and the common drive actions of spring.When declutching, cylinder action, driving brake shoe are mobile to the direction far from brake disc, while bullet
Spring compression；When braking, oil cylinder draining, brake shoe under the driving of spring to brake disc it is close until contact.
According to national " metal and nonmetal mine safety regulation " regulation, after the brake disc of elevator declutches, opening clearance must
2mm must be must not exceed in 1mm or so, maximum value.
Traditional elevator lacks the effective means in detection brake disc gap, usually carries out rough inspection using microswitch
It surveys, cannot accurately measure gap width, the problem of signal false alarm shutdown often occur.Stop to reduce the failure of elevator
Such error protection is even shielded or is removed in violation of rules and regulations by vehicle, some operators, leaves hidden danger for the safe operation of elevator.Cause
How this, accurately, effectively measure brake disc gap, is the problem of urgent need to resolve.
Utility model content
The utility model proposes a kind of elevator brake disc detection system, the purpose is to: accurately, effectively detect at brake disc
Gap.
Technical solutions of the utility model are as follows:
A kind of elevator brake disc detection system, for measuring the gap between brake disc and brake shoe, the brake disc setting is being returned
On transfer roller, by oil cylinder and spring drive actions, the oil cylinder includes the cylinder body of fixed setting and is mounted in cylinder body the brake shoe
Piston rod, after the inner cavity of cylinder body is divided into the contraction chamber on front side of cylinder body and is located at cylinder body by the piston on the piston rod
The elongate chamber of side, the contraction chamber have hydraulic station by piping connection, are equipped in the elongate chamber for pushing piston rod forward
The mobile spring in side, the brake shoe are fixedly installed in the front end of the piston rod, and the brake shoe is set in parallel relative to brake disc
It sets, realize braking for being in contact with the brake disc；
Displacement sensor is installed, institute's displacement sensors are arranged towards the brake disc on the brake shoe；
Institute's displacement sensors are mounted on by installation set, spherical washer, the first lock washer, the second lock washer and nut
On brake shoe: the inner hole front end of the installation set is equipped with the threaded hole being threadedly engaged with institute displacement sensors；The brake shoe
Front end face offer inner groovy, the bottom surface of the inner groovy is equipped with spherical groove, and the spherical washer is sleeved on installation set
Upper, rear end face is that the shoulder face on the spherical matched with the spherical groove, front end face and the installation set periphery matches
It closes；The installation set sequentially pass through from front to back after the spherical washer, brake shoe, the first lock washer and the second lock washer with it is described
Nut is threadedly connected；First lock washer and the second lock washer are stacked, and the lock washer is annular gasket,
Angle between front end face and rear end face is 1 ° to 3 °；
The detection system further includes control device, and the control device is connected with institute's displacement sensors.
Further improvement as the device: further including temperature sensor, and the temperature sensor is set to the side of brake shoe
Side, the temperature sensor are connected with the control device.
Further improvement as the device: the rear end face of the cylinder body is the rear cover of fixed setting, in the elongate chamber
It is additionally provided with throw-out collar, the throw-out collar front end face is in contact with the rear end of spring, covers after described and be additionally provided with tapped through hole, described
Bolt is installed, the end of the bolt is in contact with the rear end face of the throw-out collar in tapped through hole；The front end of the spring with
Piston rod is in contact.
Further improvement as the device: the hydraulic station includes hydraulic pump, fuel tank and two-position three way magnetic valve, described
The input terminal of hydraulic pump is connected with the fuel tank, output end is connected with the first input end of the two-position three way magnetic valve,
Second input terminal of the two-position three way magnetic valve is connected with the fuel tank, the output end of the two-position three way magnetic valve and institute
The contraction chamber for stating oil cylinder is connected；The two-position three way magnetic valve is connected with the control device.
Further improvement as the device: on the oil circuit of the output end of the two-position three way magnetic valve to oil cylinder contraction chamber
It is additionally provided with pressure sensor, the pressure sensor is connected with the control device.
Further improvement as the device: the control device is also connected with acoustic-optic alarm.
Compared with the existing technology, the utility model has the positive effect that: (1) the utility model passes through displacement sensor
The gap width between brake disc and brake shoe is detected, for measurement accuracy up to 0.02mm, measurement is accurate, reliable；(2) pass through spherical washer structure
With lock washer mechanism, the not only direction of adjustable displacement sensor, it is ensured that it is perpendicular between brake disc, reduces measurement and misses
Difference, while also ensuring that installation is reliable, place its it is vibrated after loosen.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the partial enlargement diagram of part A in Fig. 1.
Specific embodiment
The technical solution that according to the present invention will be described in detail below with reference to the accompanying drawings:
Such as Fig. 1, a kind of elevator brake disc detection system, for measuring the gap between brake disc and brake shoe 1, the brake disc is set
It sets on rotary roller, for the brake shoe 1 by 6 drive actions of oil cylinder and spring, the oil cylinder includes cylinder body 4 and the installation of fixed setting
The inner cavity of cylinder body 4 is divided into the contraction positioned at 4 front side of cylinder body by the piston rod 5 in cylinder body 4, the piston on the piston rod 5
Chamber and the elongate chamber on rear side of cylinder body 4, the contraction chamber have hydraulic station by piping connection, are equipped with and are used in the elongate chamber
The mobile spring 6 in side forward of piston rod 5 is pushed, spring 6 is preferably the disc spring of closed assembly, and the brake shoe 1 is fixedly installed in institute
The front end of piston rod 5 is stated, the brake shoe 1 is arranged in parallel relative to brake disc, realizes braking for being in contact with the brake disc.
Further, the rear end face of the cylinder body 4 is the rear cover 8 of fixed setting, is additionally provided with throw-out collar in the elongate chamber
7,7 front end face of throw-out collar is in contact with the rear end of spring 6, and tapped through hole, the tapped through hole are additionally provided on the rear cover 8
Bolt 9 is inside installed, the end of the bolt 9 is in contact with the rear end face of the throw-out collar 7；The front end of the spring 6 and piston
Bar 5 is in contact.Change the position of throw-out collar 7 by adjusting bolt 9, thus it is possible to vary the compression degree of spring 6 realizes brake force and pine
The adjustment of brake clearance.When brake force is met the requirements, need to individually adjust when declutching gap, should to hydraulic station go out oil pressure into
Row adjustment.
Displacement sensor 2 is installed, institute's displacement sensors 2 are arranged towards the brake disc on the brake shoe 1；The displacement
Sensor 2 selects the GS-21Y model sensor of Shang Haihai Ying Lan automatic measure control Technology Co., Ltd., and range 10mm is surveyed
Accuracy of measurement has IP67 degree of protection up to 0.02mm, can be applied to that greasy dirt is serious, the serious bad working environments of moisture, can not only
Enough realize precise measurement, and also solve travel switch at the scene easy-to-rust the problem of.
The detection system further includes control device 3, and the control device 3 is connected with institute displacement sensors 2, described
Control device 3 is PLC, can obtain gap data in real time, while being also connected with acoustic-optic alarm, once discovery gap width is super
Preset range out can sound an alarm and remind staff.
Further, detection system further includes temperature sensor 12, and the temperature sensor 12 is set to the side of brake shoe 1
Side, the temperature sensor 12 are connected with the control device 3, the temperature of real-time monitoring brake shoe 1.
The specific structure of the hydraulic station are as follows: including hydraulic pump, fuel tank and two-position three way magnetic valve 10, the hydraulic pump
Input terminal is connected with the fuel tank, output end is connected with the first input end of the two-position three way magnetic valve 10, and described two
Second input terminal of position-3-way solenoid valve 10 is connected with the fuel tank, the output end of the two-position three way magnetic valve 10 with it is described
The contraction chamber of oil cylinder is connected；The two-position three way magnetic valve 10 is connected with the control device 3.PLC can control two
The switching of three-way magnetic valve 10, brake shoe 1 will be driven when the contraction chamber of oil cylinder is passed through hydraulic oil, and side is mobile backward, is allowed to unclamp, when
When contraction chamber draining, spring 6 pushes piston rod 5 to move forward, and realizes braking.The output end of hydraulic pump should also connect pressure reducing valve, be used for
Oil pressure is finely tuned out, connection type is the common knowledge of Hydraulic Field, is omitted in Fig. 1, concrete principle does not repeat them here.
Pressure sensor 11, institute are additionally provided on the output end of the two-position three way magnetic valve 10 to the oil circuit of oil cylinder contraction chamber
It states pressure sensor 11 to be connected with the control device 3, goes out oil pressure for real-time monitoring.
The main innovation point of the utility model also resides in the mounting means of institute's displacement sensors 2: such as Fig. 2, displacement sensing
Device 2 is mounted on brake shoe 1 by installation set 13, spherical washer 14, the first lock washer 15, the second lock washer 16 and nut 17:
The inner hole front end of the installation set 13 is equipped with the threaded hole being threadedly engaged with institute displacement sensors 2；Before the brake shoe 1
End face offers inner groovy, and the bottom surface of the inner groovy is equipped with spherical groove, and the spherical washer 14 is sleeved on installation set 13
Upper, rear end face is the shoulder face phase on the spherical matched with the spherical groove, front end face and 13 periphery of installation set
Cooperation；The installation set 13 sequentially passes through the spherical washer 14, brake shoe 1, the first lock washer 15 and the second taper liner from front to back
Threadedly it is connected after piece 16 with the nut 17；First lock washer 15 and the second lock washer 16 are stacked, institute
Stating lock washer is annular gasket, and the angle between front end face and rear end face is 1 ° to 3 °.When installation and debugging, fastened in nut 17
Before, can adjust the angle of displacement sensor 2 by ball type of contact surface, until its detected value is minimum, at this point, displacement sensor 2 with
It is vertical relation between brake disc, detection error is minimum, and position and the angle of set 13 can be fixedly mounted by mode for dispensing glue；So
And at this time may be not fully vertical due to the presence of mismachining tolerance, between installation set 13 and the rear end face of brake shoe 1, nut 17
The angle that directly fastening may cause installation set 13 changes, it is therefore desirable to the adjustment of angle is carried out by two groups of lock washers:
When the thickness of two groups of lock washers is corresponding in thinnest part, the front/rear end of lock washer component is parallel, when phase between the two
Mutually when rotation, a small angle, then unitary rotation lock washer component can be generated between front/rear end, so that it may so that this is micro-
Small angle offsets inclination angle of the installation set 13 relative to 1 rear end face of brake shoe, and fastening nut 17, nut 17 can be with taper liners at this time
The rear end face comprehensive engagement of piece component, it is ensured that the angle of condom does not change.
The utility model can be declutched by displacement sensor 2 with real-time detection after gap width, be operator and maintenance
Personnel provide foundation, it is ensured that safety in production is gone on smoothly.
Claims (6)
1. a kind of elevator brake disc detection system, for measuring the gap between brake disc and brake shoe (1), the brake disc setting is being returned
On transfer roller, for the brake shoe (1) by oil cylinder and spring (6) drive actions, the oil cylinder includes cylinder body (4) and the installation of fixed setting
The inner cavity of cylinder body (4) is divided into positioned at cylinder body (4) by the piston rod (5) in cylinder body (4), the piston on the piston rod (5)
The contraction chamber of front side and the elongate chamber being located on rear side of cylinder body (4), the contraction chamber have hydraulic station, the elongation by piping connection
Intracavitary to be equipped with for pushing piston rod (5) spring (6) that side is moved forward, the brake shoe (1) is fixedly installed in the work
The front end of stopper rod (5), the brake shoe (1) is arranged in parallel relative to brake disc, realizes braking for being in contact with the brake disc, special
Sign is: being equipped with displacement sensor (2) on the brake shoe (1), institute's displacement sensors (2) are arranged towards the brake disc；
Institute's displacement sensors (2) pass through installation set (13), spherical washer (14), the first lock washer (15), the second lock washer
(16) and nut (17) is mounted on brake shoe (1): the inner hole front end of the installation set (13) is equipped with and institute's displacement sensors
(2) threaded hole being threadedly engaged；The front end face of the brake shoe (1) offers inner groovy, sets on the bottom surface of the inner groovy
There is spherical groove, the spherical washer (14) is sleeved on installation set (13), rear end face is matched with the spherical groove
Spherical, front end face are matched with the shoulder face on the installation set (13) periphery；The installation set (13) is from front to back successively
It is logical with the nut (17) afterwards across the spherical washer (14), brake shoe (1), the first lock washer (15) and the second lock washer (16)
Engagement thread is crossed to be connected；First lock washer (15) and the second lock washer (16) are stacked, and the lock washer is air ring
Piece, the angle between front end face and rear end face are 1 ° to 3 °；
The detection system further includes control device (3), and the control device (3) is connected with institute's displacement sensors (2).
2. elevator brake disc detection system as described in claim 1, it is characterised in that: further include temperature sensor (12), institute
The side that temperature sensor (12) is set to brake shoe (1) is stated, the temperature sensor (12) is connected with the control device (3)
It connects.
3. elevator brake disc detection system as described in claim 1, it is characterised in that: the rear end face of the cylinder body (4) is solid
Surely the rear cover (8) being arranged is additionally provided with throw-out collar (7) in the elongate chamber, the rear end of throw-out collar (7) front end face and spring (6)
It is in contact, is additionally provided with tapped through hole on the rear cover (8), is equipped in the tapped through hole bolt (9), the bolt (9)
End be in contact with the rear end face of the throw-out collar (7)；The front end of the spring (6) is in contact with piston rod (5).
4. elevator brake disc detection system as described in claim 1, it is characterised in that: the hydraulic station includes hydraulic pump, oil
Case and two-position three way magnetic valve (10), the input terminal of the hydraulic pump is connected with the fuel tank, output end with described two three
The first input end of three-way electromagnetic valve (10) is connected, the second input terminal and the fuel tank phase of the two-position three way magnetic valve (10)
Connection, the output end of the two-position three way magnetic valve (10) are connected with the contraction chamber of the oil cylinder；The two-position three-way electromagnetic
Valve (10) is connected with the control device (3).
5. elevator brake disc detection system as claimed in claim 4, it is characterised in that: the two-position three way magnetic valve (10)
It is additionally provided on output end to the oil circuit of oil cylinder contraction chamber pressure sensor (11), the pressure sensor (11) and the control fill
(3) are set to be connected.
6. elevator brake disc detection system as claimed in claim 1 to 5, it is characterised in that: the control device (3) is also
It is connected with acoustic-optic alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920263912.6U CN209263934U (en) | 2019-03-02 | 2019-03-02 | Elevator brake disc detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920263912.6U CN209263934U (en) | 2019-03-02 | 2019-03-02 | Elevator brake disc detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209263934U true CN209263934U (en) | 2019-08-16 |
Family
ID=67585585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920263912.6U Active CN209263934U (en) | 2019-03-02 | 2019-03-02 | Elevator brake disc detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209263934U (en) |
-
2019
- 2019-03-02 CN CN201920263912.6U patent/CN209263934U/en active Active
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