CN208793495U - Brake strip limit of wear warning device and arrestment mechanism - Google Patents
Brake strip limit of wear warning device and arrestment mechanism Download PDFInfo
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- CN208793495U CN208793495U CN201821418581.0U CN201821418581U CN208793495U CN 208793495 U CN208793495 U CN 208793495U CN 201821418581 U CN201821418581 U CN 201821418581U CN 208793495 U CN208793495 U CN 208793495U
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- slide bar
- brake strip
- limit
- wear
- shell
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Abstract
The utility model discloses a kind of brake strip limit of wear warning device and arrestment mechanisms, warning device includes shell, slide bar and is arranged in the intracorporal power supply of shell, contact, alarm device and damping ring, shell is directly or indirectly fixed on drag friction on piece, and slide bar one end passes through the outer wall of shell and cooperates with damping ring；Power supply, contact, alarm device and slide bar are in same series circuit, when being flushed when the first end face that brake strip leans out shell one end on the side of wheel and slide bar, during brake strip brakes wheel, wheel acts on the first end face of slide bar；And then as brake strip is worn, wheel pushes slide bar mobile to enclosure interior direction, until the second end face of the slide bar other end is contacted with contact when brake strip reaches the limit of wear, power supply is connected with circuit where alarm device.The warning device structure of the utility model is simple, easy for installation, does not influence original braking system, and the accuracy of wear monitoring is high.
Description
Technical field
The utility model relates to braking device detection field more particularly to a kind of brake strip limit of wear warning devices
And arrestment mechanism.
Background technique
In existing rail traffic braking system, tread brake is a kind of widely applied friction catch mode.Tyre tread system
Dynamic is frictional heat energy to be converted kinetic energy by the friction between brake shoe and wheel, therefore the pair that rubs can have loss, if made
With abrasion to the brake shoe of limit, the damage of wheel or braking system will lead to, it is serious to will lead to driving accident, influence production and transport
Safety.Therefore the detection for whether wearing away limit for brake shoe is particularly significant.And at present in track transportation industry, it is worn away using brake shoe
Mode to limit alarm is few.
The disclosed alarm as described by patent CN204704298U, the external power supply used control sound by relay
Light alarm device.Then after insulated wire is worn away, trigger relay is acted, then alarm equipment alarm.It needs in its system to lock
It watt is transformed accordingly, so that insulating properties can be embedded to brake shoe；And having external power supply and relay, system complex is difficult
Existing braking system and brake shoe is transformed.
And the composite brake shoe with warning function introduced in patent CN207080537U, pass through the composite brake shoe in insulation
Arrangement coil in vivo, when coil is arrived in friction, trigger signal to train system, which needs brake shoe insulated with material, and needs
Wiring groove is opened in brake shoe in advance, while needing external power supply, without direct indicator.Based on this kind of alarm application of these features
Shi Huiyou many restrictions.
Utility model content
In order to solve the problems in the existing technology, the utility model provides a kind of brake strip limit of wear report
Alarm device and arrestment mechanism, the power generated when the utility model is using braking, push slide bar, trigger warning device, the technology
Scheme is as follows:
On the one hand, the utility model provides a kind of brake strip limit of wear warning device, including shell, slide bar and
It is arranged in the intracorporal power supply of the shell, contact, alarm device and damping ring, the shell is directly or indirectly fixed on brake strip
On, one end of the slide bar passes through the outer wall of shell and cooperates with the damping ring；
The power supply, contact, alarm device and slide bar are in same series circuit, when the brake strip is close to wheel
When leaning out the first end face of shell one end on side and slide bar and flushing, during brake strip brakes wheel,
The wheel acts on the first end face of the slide bar；And then as the brake strip is worn, the wheel is pushed
The slide bar is mobile to enclosure interior direction, until when the brake strip reaches the limit of wear, the slide bar other end
Second end face is contacted with the contact, and the power supply is connected with the circuit where alarm device.
Optionally, the initial position of the brake strip leans out for the brake strip close to the side of wheel described
The first end face of slide bar, and leaning out distance is d1；Meanwhile the distance between the second end face of the slide bar and the contact are
D2, d1 and d2 meet the following conditions: the sum of d1 and d2 length are less than or equal to the limit of wear thickness value of the brake strip.
Optionally, the initial position of the brake strip is side and the cunning of the brake strip close to wheel
The first end face of bar flushes, and the distance between the second end face of the slide bar and the contact are d3, and d3 is less than or equal to described
The limit of wear thickness value of brake strip.
Further, the length direction of the slide bar is parallel with the wear direction of the brake strip, the slide bar
First end face is rotatable ball spherical surface.
Further, the power supply is dc-battery, and the alarm device includes audible alarm and/or light alarm device；Institute
Stating brake strip is brake lining or brake shoe.
Further, the brake strip limit of wear warning device further includes the first test splice drawn from slide bar
And the second test splice drawn from contact.
Further, the frictional resistance between the damping ring and slide bar is less than wheel under on-position and damps to slide bar edge
Thrust on ring moving direction, the power being subject to along damping ring moving direction greater than slide bar caused by vibration or sandstone.
On the other hand, the utility model additionally provides a kind of arrestment mechanism, including brake strip and system as described above
Movable friction plate limit of wear warning device.
Technical solution bring provided by the utility model has the beneficial effect that:
A. warning device is independently of brake strip, without carrying out processing change to brake strip；
B. the main component (in addition to slide bar) of warning device is packaged in enclosure interior, built in battery, does not need external electricity
Source, water proof and dust proof is easy to use and reliable, is easily installed；
C. reach the limit of wear brake strip scrap after, only warning device need to be resetted again installation can be realized again
It is multiple to utilize；
D. compact structure facilitates installation, and detection route is simple, reduces cost；
Can e. separately there are test points for warning device, work normally for detecting warning device, avoid false dismissal report.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of brake strip limit of wear warning device provided by the embodiment of the utility model；
Wherein, appended drawing reference includes: 1- shell, 2- power supply, the contact 3-, 4- alarm device, 5- damping ring, 6- slide bar, 61-
One end face, 62- second end face, the first test splice of 71-, the second test splice of 72-.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
In one embodiment of the utility model, a kind of brake strip limit of wear warning device is provided, referring to
Fig. 1, the warning device include shell 1, slide bar 6 and the power supply 2 being arranged in the shell 1, contact 3, alarm device 4 and damping
Ring 5, the shell 1 are directly or indirectly fixed on drag friction on piece (shell 1 and brake strip keep opposing stationary), alarm
The shell 1 of device can be close to the installation of brake strip outer ledge, can also pass through intermediate connector and the brake strip
It is fixedly connected, does not need to replace alarm module simultaneously when brake strip needs replacing, warning device can be repeated several times use.Institute
The one end for stating slide bar 6 passes through the outer wall of shell 1 and cooperates with the damping ring 5, the meaning that the slide bar 6 cooperates with damping ring 5
As the inner wall of the outer wall of slide bar 6 and damping ring 5 cooperates, and slide bar 6 can move, institute under certain effect power along damping ring 5
The minimum value for stating certain effect power should be greater than the frictional force between damping ring 5 and slide bar 6: the internal diameter of damping ring 5 and slide bar 6
The difference of outer diameter is smaller, then frictional force is bigger, this difference can be adjusted according to the actual situation (selects the damping ring 5 of suitable inner diameter
Or select the slide bar 6 of suitable outer diameter) so that the frictional resistance between the damping ring 5 and slide bar 6 is got off less than on-position
The thrust to slide bar 6 on 5 moving direction of damping ring is taken turns, is greater than slide bar 6 caused by vibration or sandstone along 5 moving direction of damping ring
On the power that is subject to, that is to say, that it is mobile can to push slide bar 6 for wheel under on-position, and vibration during wheels travel or
Sandstone impact or other factors can not push slide bar 6 mobile on vehicle line, effectively prevent false alarm phenomenon.Shell 1 is in addition to opening
Equipped with the through-hole passed through for slide bar 6, remaining makees Seal treatment, dustproof and waterproof, and the damping ring 5 is preferably provided at the shell 1
Through-hole on the inside of, the contact 3 is fixedly arranged preferably to the position opposite with the through-hole on shell 1, as shown in Figure 1, with upper
It installs only as alternative embodiment, and not as limiting of its scope.
As shown in Figure 1, the power supply 2, contact 3, alarm device 4 and slide bar 6 are in same series circuit, concatenated sequence is not
The connection relationship being only limitted on figure, for example power supply 2 in Fig. 1 is exchanged into position with alarm device 4, the utility model equally may be implemented
Technical solution, but it is sure that, be to be contacted as slide bar 6 is slided into contact 3, the series circuit is by disconnection shape
State is converted into closed state, and in closed state, the power supply 2 is the power supply of alarm device 4, and then alarm device 4 works.The slide bar
6 sliding process is specific as follows: when the brake strip leans out the of 1 one end of shell on the side of wheel and slide bar 6
When one end face 61 (i.e. the left end of slide bar 6 in Fig. 1) flushes, during brake strip brakes wheel, the vehicle
Wheel acts on the first end face 61 of the slide bar 6；And then as the brake strip is worn, described in the wheel promotion
Slide bar 6 is mobile to 1 internal direction of shell, until when the brake strip reaches the limit of wear, the of 6 other end of slide bar
Biend 62 (i.e. the right end of slide bar 6 in Fig. 1) is contacted with the contact 3, leads the power supply 2 with the circuit where alarm device 4
It is logical.
In a preferred embodiment of the utility model, the initial position of the brake strip is the drag friction
Piece leans out the first end face 61 of the slide bar 6 close to the side of wheel, and leaning out distance is d1；Meanwhile the second of the slide bar 6
The distance between end face 62 and the contact 3 be d2, d1 and d2 meet the following conditions: the sum of d1 and d2 length equal to (or summary
Less than) limit of wear thickness value of the brake strip.
In another alternative embodiment of the utility model, the initial position of the brake strip is that the braking rubs
Pad is flushed close to the side of wheel with the first end face 61 of the slide bar 6, the second end face 62 of the slide bar 6 and the contact
The distance between 3 be d3, and d3 is equal to the limit of wear thickness value of (or being slightly less than) described brake strip.
Limit of wear thickness value described in both the above mode refers to the maximum allowable wear-thickness of brake strip, one
Denier reaches the degree of wear, that is, needs prompting changing brake strip, and the brake strip is brake lining or brake shoe.Compare with
For upper two kinds of position set-up modes, the former is more excellent, the reason is that: the principle of detection is by abrasion brake strip and then to push cunning
Bar 6 is close to contact to generate alarm signal when until contacting, then the mobile accuracy of slide bar 6 is related to the precision of abrasion detection,
Therefore, for the former set-up mode, before drag friction pad wear d1 thickness, wheel does not contact slide bar 6, reduces
Slide bar 6 is mobile accurately to the influence of testing result, so that final detection result is more acurrate.
In order to further increase the accuracy of testing result, it is also necessary to set the slide bar 6 to and the drag friction
The wear direction of piece is parallel, it is highly preferred that guide and limit channel is arranged for slide bar 6 on this basis, prevents slide bar 6 from moving in level
Downward shift occurs when dynamic, therefore, in an embodiment, the lower surface of the brake strip is arranged in the slide bar 6
(or upper surface), on the one hand maintain it is parallel with wear direction, on the other hand also by the position-limiting action of brake strip；Furthermore
When wheel to slide bar 6 generate active force when, in order to avoid wheel wear slide bar 6 first end face 61 rather than push slide bar 6 to
The mobile situation in contact occurs, and should reduce wheel to the frictional force of first end face 61, therefore, the first end face of the slide bar 6
62 be preferably rotatable ball spherical surface, for example, ball is formed first end face embedded in the end of slide bar 6, structure be can refer to
Ball bearing in the prior art, details are not described herein, this is preferred embodiment certainly, and is protected not as to the utility model
The limitation of range, other measures for reducing frictional force can equally use, for example set spherical surface for first end face, on spherical surface
It is preferably coated with lubricant, etc..
In the embodiments of the present invention, dc-battery (such as No. 5 dry electricity are can be selected in the power supply 2 of the warning device
Pond), without being powered by braking system, on original wheel brake system without influence；Slide bar 6 does not connect with fixed contact 3
When touching, indicate that brake shoe/brake lining does not wear away limit, then alarm device 4 does not work, and the alarm device 4 includes audible alarm and/or light
Alarm device；When the slide bar 6 is contacted with contact 3, audible alarm makes a sound warning information and/or light alarm indicator light
It is bright, indicate that brake shoe/brake lining has worn away limit, only brake shoe/brake lining abrasion can just consume battery capacity, save electricity in limited time,
It does not need to be replaced as frequently as battery.In abrasion in limited time, slide bar 6 and contact 3 are completely attached to, and in the friction masterpiece of damping ring 5
Under, so that the two contact is without departing from the circuit inside shell 1 is connected, so that audible alarm is yowled and/or light alarm device
Indicator light length is bright.In order to prevent (for example perhaps alarm device 4 is broken power supply 2 or intermediate a certain route is disconnected etc. that factor is led
Cause) leak detection event (having arrived limit of wear state, slide bar 6 contacts with contact 3 and can not trigger alarm device 4), the braking
Friction disc wear limiting alarm device further preferably includes the first test splice 71 drawn from slide bar 6 and draw from contact 3 the
First test splice 71 and the second test splice 72 are shorted by two test splices 72, tester, if alarm device works,
Proving the route of warning device, there is no problem, if alarm device 4 is not triggered, maintenance and inspection route is needed, until described the
The testing result that one test splice 71 and the second test splice 72 are shorted is triggering alarm device work.
On the other hand, the utility model provides a kind of peace of brake strip limit of wear warning device as described above
Dress method, comprising the following steps:
S11, the length L1 according to slide bar, are fixedly mounted on designated position for shell, and the intracorporal contact of shell is made to rub with braking
Pad is less than or equal to the sum of L1 and the limit of wear thickness value of brake strip close to the distance between side of wheel；
S12, one end of the slide bar is passed through into shell and is protruded into damping ring.
In another aspect, the utility model provides second of brake strip limit of wear warning device as described above
Installation method, comprising the following steps:
S21, the intracorporal contact of shell and brake strip are fixedly mounted at position between the side of wheel according to shell
Distance L2, selection meets the slide bar of following length condition: the length of the slide bar is greater than or equal to L2 and brake strip
The difference of limit of wear thickness value；
S22, one end of the slide bar is passed through into shell and is protruded into damping ring.
Both the above mounting means can realize the mill such as the warning device in one embodiment to brake strip
The detection of the limit is damaged, the principle specifically detected and movement are no longer superfluous in this installation method embodiment as described in above-described embodiment
It states.
Except this, the utility model additionally provides a kind of arrestment mechanism, including brake strip and braking as described above rub
Pad limit of wear warning device, the warning device are pacified according to process provided by above-mentioned two installation method embodiment
Dress.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of brake strip limit of wear warning device, which is characterized in that including shell (1), slide bar (6) and be arranged in institute
The power supply (2) in shell (1), contact (3), alarm device (4) and damping ring (5), the shell (1) is stated directly or indirectly to be fixed on
Drag friction on piece, one end of the slide bar (6) pass through the outer wall of shell (1) and cooperate with the damping ring (5)；
The power supply (2), contact (3), alarm device (4) and slide bar (6) are in same series circuit, when the brake strip leans on
When leaning out the first end face (61) of shell (1) one end on the side and slide bar (6) of nearly wheel and flushing, in brake strip to wheel
During being braked, the wheel acts on the first end face (61) of the slide bar (6)；And then with the drag friction
Piece is worn, and the wheel pushes the slide bar (6) mobile to shell (1) internal direction, until the brake strip reaches
When to the limit of wear, the second end face (62) of slide bar (6) other end is contacted with the contact (3), make the power supply (2) with
Circuit conducting where alarm device (4).
2. brake strip limit of wear warning device according to claim 1, which is characterized in that the brake strip
Initial position be that the brake strip leans out the first end face (61) of the slide bar (6) close to the side of wheel, and lean out
Distance is d1；Meanwhile the distance between the second end face (62) of the slide bar (6) and the contact (3) are d2, d1 and d2 satisfaction
The following conditions: the sum of d1 and d2 length are less than or equal to the limit of wear thickness value of the brake strip.
3. brake strip limit of wear warning device according to claim 1, which is characterized in that the brake strip
Initial position be the brake strip flushed close to the side of wheel with the first end face (61) of the slide bar (6), it is described
The distance between the second end face (62) of slide bar (6) and the contact (3) are d3, and d3 is less than or equal to the brake strip
Limit of wear thickness value.
4. brake strip limit of wear warning device according to claim 1, which is characterized in that the slide bar (6)
Length direction is parallel with the wear direction of the brake strip, and the first end face (61) of the slide bar (6) is rotatable rolling
Pearl spherical surface.
5. according to brake strip limit of wear warning device described in claim 1, which is characterized in that the power supply (2) is straight
Galvanic battery, the alarm device (4) include audible alarm and/or light alarm device；The brake strip is brake lining or brake shoe.
6. brake strip limit of wear warning device according to claim 1, which is characterized in that further include from slide bar
(6) the first test splice (71) drawn and the second test splice (72) drawn from contact (3).
7. brake strip limit of wear warning device according to claim 1, which is characterized in that the damping ring (5)
Frictional resistance between slide bar (6) be less than under on-position wheel to slide bar (6) pushing away on damping ring (5) moving direction
Power is greater than the power that slide bar (6) caused by vibration or sandstone is subject to along damping ring (5) moving direction.
8. a kind of arrestment mechanism, which is characterized in that the system including brake strip and as described in any one of claim 1-7
Movable friction plate limit of wear warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821418581.0U CN208793495U (en) | 2018-08-31 | 2018-08-31 | Brake strip limit of wear warning device and arrestment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821418581.0U CN208793495U (en) | 2018-08-31 | 2018-08-31 | Brake strip limit of wear warning device and arrestment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208793495U true CN208793495U (en) | 2019-04-26 |
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ID=66207818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821418581.0U Active CN208793495U (en) | 2018-08-31 | 2018-08-31 | Brake strip limit of wear warning device and arrestment mechanism |
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| Country | Link |
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| CN (1) | CN208793495U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895100A (en) * | 2018-08-31 | 2018-11-27 | 克诺尔车辆设备(苏州)有限公司 | Brake strip limit of wear warning device and its installation method and arrestment mechanism |
| CN114857191A (en) * | 2022-07-08 | 2022-08-05 | 东营市汇城石油机械有限责任公司 | Brake pad device of petroleum drilling machine and using method thereof |
-
2018
- 2018-08-31 CN CN201821418581.0U patent/CN208793495U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895100A (en) * | 2018-08-31 | 2018-11-27 | 克诺尔车辆设备(苏州)有限公司 | Brake strip limit of wear warning device and its installation method and arrestment mechanism |
| CN108895100B (en) * | 2018-08-31 | 2024-01-19 | 克诺尔车辆设备(苏州)有限公司 | Brake friction plate wear limit alarm device, mounting method thereof and brake mechanism |
| CN114857191A (en) * | 2022-07-08 | 2022-08-05 | 东营市汇城石油机械有限责任公司 | Brake pad device of petroleum drilling machine and using method thereof |
| CN114857191B (en) * | 2022-07-08 | 2022-09-09 | 东营市汇城石油机械有限责任公司 | Brake pad device of petroleum drilling machine and using method thereof |
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