CN101580199A - Test method of brake - Google Patents
Test method of brake Download PDFInfo
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- CN101580199A CN101580199A CN 200910139080 CN200910139080A CN101580199A CN 101580199 A CN101580199 A CN 101580199A CN 200910139080 CN200910139080 CN 200910139080 CN 200910139080 A CN200910139080 A CN 200910139080A CN 101580199 A CN101580199 A CN 101580199A
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- Cage And Drive Apparatuses For Elevators (AREA)
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Abstract
A test method of a brake according to the invention is used for an elevator windlass (11) which is used for a brake (15), wherein the brake (15) is provided with a drum (21) and a brake shoe (22) which contacts with the drum (21) for exerting braking or is separated from the drum (21) for releasing the braking. The test method of brake comprises applying the following processes: after configuring a pressure-sensitive sheet (31) which changes the color under pressure to a clearance between the drum (21) and the brake shoe (22), pushing the brake shoe (22) to the drum (21) so as to clamp the pressure-sensitive sheet (31) between the drum (21) and the brake shoe (22), holding for a preset time period in the state, and removing the brake shoe (22) from the drum (21) for taking out the pressure-sensitive sheet (31). When the area of the color-changing part of the pressure-sensitive sheet (31) is less than a certain amount, the brake is thought to unqualified.
Description
Technical field
The present invention relates to be used for confirm the test method of brake of the lock torque of Winch for elevator.
Background technology
In TOHKEMY 2001-278572 communique for example, the elevator emergency stop device that has reduced the deceleration/decel of car when car promptly stops to be disclosed.This emergency braking device has: be used to brake equipment that car is stopped; Under the driving of washout, work, calculate the Distance Remaining calculating unit of Distance Remaining of the terminating layer in service direction the place ahead; Calculating with this Distance Remaining makes car stop the urgent control torque calculating unit of needed urgent control torque; Calculate the static hold torque calculating unit that under static state keeps the needed static hold torque of car; Select bigger in urgent control torque and the static hold torque a required lock torque calculating unit as needed lock torque; Make the brake equipment action to produce the brak control unit of required lock torque.
In case the washout of sending, this emergency braking device just calculates with the Distance Remaining from the current location of car to the terminating layer in service direction the place ahead and makes car stop needed urgent control torque, and calculate and under static state keep the needed static hold torque of car, select a wherein bigger side as required lock torque, car is promptly stopped thereby producing this required lock torque with brake equipment.Therefore, make in operational process under its situation about promptly stopping even having, the deceleration/decel of car can excessive such effect yet.
But, in most cases on brake plate (brake pad) or brake shoe (brake shoe), have trickle concavo-convex.The area of contact of concavo-convex left and right sides brake plate that this is trickle or brake shoe and (braking) dish (disc) or (braking) drum (drum), and then the moment properties of influence braking.Therefore, produce required lock torque, be necessary check stop boots and the area of contact of drum or the area of contact of check stop sheet and dish before winch is installed in order to make winch.In order to confirm this area of contact, brake shoe or brake plate are slided on friction face, pull down brake shoe or brake plate from winch then.At this moment, the surface of Visual Confirmation brake shoe or brake plate has the part of gloss, and whether check has required area to contact with friction face.
So, the brake equipment of the winch of prior art need be pulled down them from winch and confirm that it is miscellaneous that operation becomes for the area of contact of check stop boots or brake plate.And after the brake shoe that will pull down or brake plate reinstalled on the winch, the contact strength when being necessary to finely tune brake shoe or brake plate bump drum or dish once more etc. also needed production time.
Summary of the invention
Purpose of the present invention is exactly the test method of brake that will obtain to confirm simply the area of contact of brake shoe or brake plate and drum or dish.
In order to achieve the above object, the test method of brake of an example of the present invention is the test method of brake that is used for having the Winch for elevator of brake equipment, described brake equipment has drum, with contact brake activation with above-mentioned drum or leave the brake shoe of above-mentioned bulging brake off, it is characterized in that, implement following the processing: under will effect at pressure in the pressure-sensitive gap that is configured between above-mentioned drum and the above-mentioned brake shoe of variable color after, push above-mentioned brake shoe to above-mentioned drum so that above-mentioned pressure-sensitive is clipped between above-mentioned drum and the above-mentioned brake shoe, keep preset time in this state, thereby make above-mentioned brake shoe leave above-mentioned drum and take out above-mentioned pressure-sensitive, when the area of above-mentioned pressure-sensitive variable color part, is thought to be not suitable for when following a certain amount of.
In order to achieve the above object, the test method of brake of other examples of the present invention is the test method of brake that is used for having the Winch for elevator of brake equipment, described brake equipment has dish and contacts brake activation with above-mentioned dish or leave the brake plate of above-mentioned dish brake off, it is characterized in that, implement following the processing: under will effect at pressure in the pressure-sensitive gap that is configured between above-mentioned dish and the above-mentioned brake plate of variable color after, push above-mentioned brake plate to above-mentioned dish so that above-mentioned pressure-sensitive is clipped between above-mentioned dish and the above-mentioned brake plate, keep preset time in this state, thereby make above-mentioned brake plate leave above-mentioned dish and take out above-mentioned pressure-sensitive, when the area of above-mentioned pressure-sensitive variable color part, is thought to be not suitable for when following a certain amount of.
If employing the present invention can obtain to confirm simply the test method of brake of the area of contact of brake shoe or brake plate and drum or dish.
Other features of the present invention will be illustrated in the following description, and a part is apparent or can acquire from the invention practice from narration.Feature of the present invention can be recognized and obtains by the example hereinafter pointed out in detail and combination thereof.
Description of drawings
Below accompanying drawing incorporate in the specification sheets and constitute the part of specification sheets, be used for casehistory example of the present invention, in conjunction with being described in detail of the embodiment of above concise and to the point narration and back, be used for illustrating principle of the present invention.
Fig. 1 is for seeing the cutaway view of the Winch for elevator of the 1st example from the front.
Fig. 2 is from laterally seeing the lateral plan of Winch for elevator shown in Fig. 1.
Fig. 3 is for schematically representing the employed pressure-sensitive cutaway view of test of Winch for elevator brake equipment.
Fig. 4 is for seeing shown in Fig. 3 pressure-sensitive birds-eye view from the top.
Fig. 5 is the front view of the Winch for elevator of expression the 2nd example.
Fig. 6 is for seeing the lateral plan of Winch for elevator shown in Fig. 5 from the side.
The specific embodiment
The example of Winch for elevator is described below with reference to Fig. 1 to Fig. 4.
As depicted in figs. 1 and 2, Winch for elevator 11 adopts the flat-disk shape structure of thin thickness.Winch 11 have at central part be built-in with the main body 12 of the electrical motor that does not have expression among the figure, from the outstanding S. A. 13 of main body 12, be fixed on the pulley 14 of S. A. 13 top ends, the brake equipment 15 that is used for making the rotation of S. A. 13 to stop.Pulley 14 has a plurality of grooves 16, is wound with to be used for not having among the figure of suspension craning cab and balance weight the main rope of expression on this groove 16.Winch 11 can make the car rising or car is descended by main rope in lift path.
This brake equipment 15 have the inner and cylindrical shape of main body of being arranged on 12 drum 21, be arranged near the drum 21 brake shoe 22, make brake shoe 22 and drum 21 contact or leave drum 21 electronic closing device 23, be used for adjusting the moment adjusting mechanism 24 that brake shoe 22 is squeezed in the pressure on the drum 21.Brake shoe 22 is not had the spring device of expression to press to drum 21 always among the figure.Electronic closing device 23 overcomes this spring device under the driving of built-in screw actuator (solenoid) the application of force makes brake shoe 22 move to the direction of leaving drum 21.
Employed pressure-sensitive (sheet) 31 of test of drg of the winch 11 of this example is described below with reference to Fig. 3 and Fig. 4.Be used for perception brake shoe 22 for pressure-sensitive 31 and be pressed in pressure on the drum 21, judge whether the moment of drg is suitable.
Have the area roughly the same for pressure-sensitive 31 with the area of brake shoe 22.Have the 1st thin layer (film) 31A and the 2nd thin layer 31B for pressure-sensitive 31.The 1st thin layer 31A has the basalis 32 of PET (Polyethyleneterephthalate, polyethylene terephthalate) system and is arranged on the surface of basalis 32, has a dyed layer 34 that a plurality of inside comprise the microencapsulation (microcapsule) 33 of colorant.The 2nd thin layer 31B comprise the basalis 32 of PET system and be arranged on the surface of basalis 32, the developer layer 35 of adsorption coloring agent.Be used for pressure-sensitive 31 of drg test and have area area about equally with brake shoe 22.Use for pressure-sensitive 31 can perception the device of the pressure of 0.1MPa～10MPa for example.
Then pressure-sensitive 31 test method of brake has been used in explanation.The test of this drg was carried out before being installed to winch 11 on the building.At first, drive the electronic closing device 23 of winch 11, brake shoe 22 is separated with the drum 21 of brake equipment 15, become the state of brake off.Under this state, be provided with pressure-sensitive 31 in the gap between drum 21 and brake shoe 22.Drive electronic closing device 23 then, brake shoe 22 is pressed on the drum 21, become the state that has applied braking.Under this state, pressure-sensitive 31 is sandwiched between drum 21 and the brake shoe 22.This state that has applied braking keeps for example 2 minutes time.Make brake shoe 22 leave drum 21 then, brake off is pulled down pressure-sensitive 31.
After Fig. 4 represents to test pressure-sensitive 31.As shown in this pressure-sensitive 31, the microencapsulation 33 of dyed layer 34 of the 1st thin layer 31A that has born the part of pressure is squeezed broken, and its in-to-in colorant sorption produces chemical reaction on the developer layer 35 of the 2nd thin layer 31B.Thus, with corresponding developer layer 35 variable colors of the part of bearing pressure.When the area of the variable color part 36 of this variable color accounts for pressure-sensitive 31 for example 70% when above of whole area, brake shoe 22 contacts enough with the face of drum 21, and it is qualified to be judged to be.In contrast,, think to be not suitable for, brake shoe 22 is implemented to handle when the area of variable color part 36 accounts for pressure-sensitive 31 for example 70% when following of whole area.The processing of the brake shoe 22 that is replaced with other etc. is arranged as the processing to this unaccommodated brake shoe 22.
If adopt this example, test method of brake is used to have the Winch for elevator 11 of brake equipment 15, described brake equipment 15 has drum 21 and contacts brake activation with drum 21 or leave the brake shoe 22 of drum 21 brake offs, this test method is implemented following the processing: under will effect at pressure in pressure-sensitive 31 gap that is configured between drum 21 and the brake shoe 22 of variable color after, push brake shoe 22 to drum 21 so that pressure-sensitive 31 is clipped between drum 21 and the brake shoe 22, keep preset time in this state, make brake shoe 22 leave drum 21 and take out pressure-sensitive 31, when the area of pressure-sensitive 31 variable color part when certain proportion is following, think to be not suitable for.
If adopt this structure and since need not from winch 11 pull down brake shoe 22 just can the check stop boots 22 with the area of contact of drum 21, so can simply promptly test.And, the inner face of the brake shoe of pulling down owing to the visual observation affirmation in the test method of prior art 22, therefore operator's according to the observation different judgements such as skill level might produce deviation.Therefore the test method of this example can judge the area of contact acceptance or rejection of drg objectively because the area of pressure-sensitive 31 variable color part 36 is used for judging.And, in case pull down brake shoe 22, not only it to be installed just passablely, need finely tune the intensity of brake shoe 22 once more with respect to the contact of drum 21.If adopt the test method of this example, pulling down, install brake shoe 22 and adjusting contact strength etc. does not once more need, and can shorten the production time that the drg test is spent significantly.
The 2nd example below with reference to Fig. 5,6 explanation Winch for elevator.The Winch for elevator 41 of the 2nd example be not so-called slim type, and different with the 1st example on the whole cylindrical this point, other part is identical.Therefore, below main just different part with the 1st example describe, the place interpolation identical mark common with the 1st example omits its explanation.
Winch for elevator 41 have the electrical motor that do not have expression among the built-in figure and cylindrical circular main body 42, from the outstanding S. A. 13 of main body 42, be fixed on S. A. 13 top ends pulley 14, be used for brake equipment 43 that S. A. 13 is stopped the rotation.
This brake equipment 43 has and is disc shaped dish 44, is arranged near the brake plate 45 of dish 44, makes brake plate 45 and dish 44 contacts or leave to coil 44 electronic closing device 23, is used for adjusting brake plate 45 and is pressed in the moment adjusting mechanism 24 that coils the pressure on 44.Brake plate 45 is not had the spring device of expression to press to dish 44 always among the figure.Electronic closing device 23 overcomes this spring device under built-in solenoidal driving the application of force makes brake plate 45 move to the direction of leaving dish 44.
Pressure-sensitive 31 identical with the 1st example.Have the area roughly the same for pressure-sensitive 31 with the area of brake plate 45.Be used for perception brake plate 45 for pressure-sensitive 31 and be pressed in the pressure that coils on 44, judge whether lock torque is suitable.
The test method of brake of the 2nd example then is described.The test of this drg was carried out before being installed to winch 41 on the building.At first, drive electronic closing device 23, brake plate 45 is separated with the dish 44 of brake equipment 43, become the state of brake off.Under this state, as shown in Figure 6,2 pressure-sensitive 31 is separately positioned in 1 gap of coiling between 44 and 2 brake plates 45.Drive electronic closing device 23 then, brake plate 45 is squeezed on the dish 44, become the state that has applied braking.Under this state, pressure-sensitive 31 is sandwiched between dish 44 and the brake plate 45.This state that has applied braking keeps for example 2 minutes time.Thereby make brake plate 45 leave dish 44 brake offs then, pull down pressure-sensitive 31.When the area of variable color part 36 of this variable color in pressure-sensitive 31 after the test accounts for pressure-sensitive 31 for example 70% when above of whole area, brake plate 45 contacts enough with the face that coils 44, and it is qualified to be judged to be.In contrast,, think to be not suitable for, brake plate 45 is implemented to handle when the area of variable color part 36 accounts for pressure-sensitive 31 for example 70% when following of whole area.The processing of the brake plate 45 of changing other etc. is arranged as the processing for this unaccommodated brake plate 45.
If adopt the 2nd example, test method of brake is used to have the Winch for elevator 41 of brake equipment 43, and described brake equipment 43 has dish 44 and contacts brake activation or leave the brake plate 45 that coils 44 brake offs with dish 44; Under will effect at pressure in pressure-sensitive 31 gap that is configured between dish 44 and the brake plate 45 of variable color after, push coil brake plate 45 to 44 so that pressure-sensitive 31 is clipped between dish 44 and the brake plate 45, keep preset time in this state, make brake plate 45 leave dish 44 and take out pressure-sensitive 31, when the area of pressure-sensitive 31 variable color part when above, thinks qualified a certain amount of.
If adopt this structure and since need not from winch 41 pull down brake plate 45 just can the check stop sheet 45 with the area of contact of dish 44, so can simply promptly test.And, if adopt the test method of this example, need not be visual, can enough pressure-sensitive 31 face contact acceptance or rejections of judging drg objectively.And if adopt the test method of this example, pulling down, install brake plate 45 and adjusting contact strength etc. does not once more need, and can shorten the production time that the drg test is spent significantly.
The present invention is not limited to above-mentioned example.In addition, certainly carrying out all distortion in the scope that does not break away from the invention aim implements.
Can easily expect other features and improvement for the people who is proficient in the foregoing invention technology.So the wideer form of the present invention is not limited to detailed description and representational example here.Therefore, in order that does not exceed additional claim and cooresponding requirement thereof and scope, can carry out all distortion.
Claims (6)
1. be used for having brake equipment test method of brake of Winch for elevator of (15), described brake equipment (15) has drum (21) and contacts brake activation with above-mentioned drum (21) or leave the brake shoe (22) of above-mentioned drum (21) brake off, it is characterized in that, implement following the processing:
After pressure-sensitive (31) of variable color are configured in the gap between above-mentioned drum (21) and the above-mentioned brake shoe (22) under will the effect at pressure, push above-mentioned brake shoe (22) to above-mentioned drum (21) so that above-mentioned pressure-sensitive (31) are clipped between above-mentioned drum (21) and the above-mentioned brake shoe (22), keep preset time in this state, make above-mentioned brake shoe (22) leave above-mentioned drum (21) thus take out above-mentioned pressure-sensitive (31), when the area of the variable color of above-mentioned pressure-sensitive (31) part, is thought to be not suitable for when following a certain amount of.
2. test method of brake as claimed in claim 1 is characterized in that, the device of the pressure that above-mentioned pressure-sensitive use can perception 0.1MPa～10MPa.
3. test method of brake as claimed in claim 1 is characterized in that, above-mentioned pressure-sensitive use has the device of dyed layer that a plurality of inside comprise the microencapsulation of colorant.
4. be used for having brake equipment test method of brake of Winch for elevator of (43), described brake equipment (43) has dish (44) and contacts brake activation with above-mentioned dish (44) or leave the brake plate (45) of above-mentioned dish (44) brake off, it is characterized in that, implement following the processing: after pressure-sensitive (31) of variable color are configured in the gap between above-mentioned dish (44) and the above-mentioned brake plate (45) under will the effect at pressure, push above-mentioned brake plate (45) to above-mentioned dish (44) so that above-mentioned pressure-sensitive (31) are clipped between above-mentioned dish (44) and the above-mentioned brake plate (45), keep preset time in this state, make above-mentioned brake plate (45) leave above-mentioned dish (44) thus take out above-mentioned pressure-sensitive (31), when the area of the variable color of above-mentioned pressure-sensitive (31) part, is thought to be not suitable for when following a certain amount of.
5. test method of brake as claimed in claim 4 is characterized in that, the device of the pressure that above-mentioned pressure-sensitive use can perception 0.1MPa～10MPa.
6. test method of brake as claimed in claim 4 is characterized in that, above-mentioned pressure-sensitive use has the device of dyed layer that a plurality of inside comprise the microencapsulation of colorant.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008128703A JP4662379B2 (en) | 2008-05-15 | 2008-05-15 | Brake test method |
| JP128703/2008 | 2008-05-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101580199A true CN101580199A (en) | 2009-11-18 |
| CN101580199B CN101580199B (en) | 2011-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910139080 Active CN101580199B (en) | 2008-05-15 | 2009-05-15 | Test method of brake |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4662379B2 (en) |
| CN (1) | CN101580199B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110650911A (en) * | 2017-05-25 | 2020-01-03 | 三菱电机株式会社 | Control device for elevator |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5820084B1 (en) * | 2015-07-14 | 2015-11-24 | 株式会社ティ・エス・ケー | Anchor bolt driving jig, anchor bolt driving method, and anchor bolt fixing strength inspection method |
| CN108349704B (en) * | 2015-10-26 | 2019-11-05 | 株式会社日立制作所 | Lift appliance |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6220925A (en) * | 1985-07-19 | 1987-01-29 | Hitachi Elevator Eng & Serv Co Ltd | Braking pressure detector for elevator |
| WO2003004400A1 (en) * | 2001-07-05 | 2003-01-16 | Mitsubishi Denki Kabushiki Kaisha | Elevator hoist and brake device of the elevator hoist |
| JP2007009952A (en) * | 2005-06-28 | 2007-01-18 | Mitsubishi Electric Corp | Frictional connection conditioning device for friction member of brake |
| JP2007300033A (en) * | 2006-05-02 | 2007-11-15 | Hitachi Cable Ltd | Fixture for wafer bonding, and method of fabricating wafer for light-emitting device |
-
2008
- 2008-05-15 JP JP2008128703A patent/JP4662379B2/en active Active
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2009
- 2009-05-15 CN CN 200910139080 patent/CN101580199B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110650911A (en) * | 2017-05-25 | 2020-01-03 | 三菱电机株式会社 | Control device for elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009274834A (en) | 2009-11-26 |
| CN101580199B (en) | 2011-07-06 |
| JP4662379B2 (en) | 2011-03-30 |
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