CN204057547U - For the disposal device that building hoist two drgs declutch and brake simultaneously - Google Patents
For the disposal device that building hoist two drgs declutch and brake simultaneously Download PDFInfo
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- CN204057547U CN204057547U CN201420321629.1U CN201420321629U CN204057547U CN 204057547 U CN204057547 U CN 204057547U CN 201420321629 U CN201420321629 U CN 201420321629U CN 204057547 U CN204057547 U CN 204057547U
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- pressing plate
- ripping
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- handle
- joint
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- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 230000007480 spreading Effects 0.000 claims abstract description 4
- 238000003892 spreading Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
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- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to the disposal device declutching simultaneously for building hoist two drgs and brake, comprise drive motor rear side housing, pressing plate component, ripping bar, U-joint, total handle, it is characterized in that, described total handle two ends bolted splice U-joint, described U-joint hinge bolt connects one end of two ripping bars, after the other end of two ripping bars connects pressing plate component respectively, two first wife's short handle power arm ends are inserted in respectively together with pressing plate component, respectively the fly nut at pressing plate two ends is screwed pressing plate fix screw by manual, two ripping bars are locked respectively on two short handles, the short handle of two drgs and two ripping bars are made to form spreading power arm, make original two independently leverage be connected, form the composition linkage mechanism comprising two leverages in a four-bar linkage.The advantages such as it is simple that the utility model has structure, easy to operate, safe and reliable.
Description
Technical field
The utility model belongs to elevator field, especially a kind of disposal device declutching simultaneously for building hoist two drgs and brake.
Background technology
At present, along with the development of skyscraper, building hoist usage quantity gets more and more.Domestic building hoist mostly is SC type, usually configuration 2 or 3 drive motor, and each motor is provided with a drg.Therefore, it has 2 or 3 brake usually.But when fault power-off, it declutches and moves down disposal device that cage overcomes difficulties is adopt single drg to declutch operating mode, in advance other drg screw positive opening, and only by a brake, there is braking unreliable, cage easily hits the potential safety hazard at the end.And, in the past be equipped with brake-releasing gear very imperfection, it is shorter that first wife singly brakes brake-releasing gear handle, the required power that declutches can not meet the requirement that should be not more than 400N of GB26557-2011 " cage has the dual-purpose building hoist of people's goods of vertically-guided " far away, need to find interim ripping bar to operate declutch (note: declutch and brake and must hocket, to move down cage at a slow speed).Traditional single drg declutches the mode of overcoming difficulties, and driver (female) generally dare not operate, and wait for specialized maintenance work stair climbing, then climbs steel structure and come, and also will find interim ripping bar.A brake is insecure, declutches just more difficult simultaneously, find two interim ripping bars, and want hand control two ripping bar to declutch simultaneously, discharge simultaneously if will operate two drgs, even veteran specialized maintenance work is all difficult to control.Potential safety hazard is well imagined.
The rated load of the dual-purpose construction elevator cage of most domestic SC type people's goods is 2T, label energy carrying 24 people of dispatching from the factory, and the dual-purpose building hoist declaration of an accident of SC type people goods is a lot of in recent years, as Wuhan death by accident 19 people, and Changsha death by accident 18 people.The dual-purpose building hoist of SC200/200 people's goods that in November, 2012, we once checked one to move in the camp site of this area to install, in the inspection carrying out left side cage, the test failure of overcoming difficulties that declutches operated by installation personnel, there occurs cage and hits end phenomenon.This cage has 3 drive motor, namely 3 drgs are had, installation personnel is overcome difficulties in test operation process declutching, first 2 drgs are declutched with screw in advance, make 2 drg adjusting bolts be threaded to position of declutching, then the release of other 1 drg of M/C and braking, its braking failure, left side cage flings from the test height of 1.5m and hits the end, fortunately limitation in height, otherwise consequence is hardly imaginable.
When building hoist adopts 2 motors to drive, every platform power of motor is 15KW; When adopting 3 motors to drive, every platform power of motor is 11KW.The traditional approach that a brake service of only declutching is overcome difficulties, to 2 motor-driven elevators, its braking force is only 1/2nd of design value; Drive elevator to 3 motors, its braking force is only 1/3rd of design value, and safety factor is very low.
Utility model content
The purpose of this utility model is the disposal device declutching simultaneously for building hoist two drgs and brake providing a kind of structure simple, easy to operate, safe and reliable.
As follows for reaching the technical solution that above-mentioned object adopts:
1, a kind of disposal device declutching simultaneously for two drgs of building hoist and brake, comprise drive motor rear side housing, ripping bar, U-joint, total handle, it is characterized in that, described total handle two ends bolted splice U-joint, described U-joint hinge bolt connects one end of two ripping bars, the other end of two ripping bars is respectively by 2 pressing plate fix screws, pressing plate retracing spring, fly nut and pressing plate are fitted together in advance, and ripping bar end and pressing plate are remained be equivalent to the gap of the short handle thickness of first wife, the preassembled unit end of two ripping bars is inserted in respectively the upper of two first wife's short handle power arm ends, lower surface, with hand, fly nut is screwed pressing plate, short handle and ripping bar is made to form spreading power arm, make original two independently leverage be connected, form the composition linkage mechanism comprising two leverages in a four-bar linkage.
2. the disposal device declutching simultaneously for two drgs of building hoist and brake as described in technical scheme 1, wherein, one end of two described ripping bars also can with short shake hands to design as a whole, directly be installed on drive motor rear side housing adjusting screw(rod) and with declutching between nut, retain the gap of 3 to 5mm.
3. the disposal device declutching simultaneously for two drgs of building hoist and brake as described in technical scheme 1, wherein, described total handle is provided with several groups of symmetrical holes, can adjust the installation site of U-joint.
The utility model has following feature and advantage:
(1) which solves declutch overcome difficulties difficulty, single drg of domestic SC type building hoist two drgs to declutch a professional difficult problem of overcoming difficulties unsafe, achieve SC type building hoist two drgs and to declutch the secured fashion of overcoming difficulties.
(2) lock torque of two drgs and the skimble-scamble gordian technique of stroke that declutches is solved.
(3) the required power that declutches is less, and this device declutches pulling force < 100N, meets GB26557-2011 " needed for brake-loosing mechanism, pulling force is not more than 400N " requirement.Solve the single drg of the former handle apparatus that declutches all to can not draw away, need the conventional difficulties by interim ripping bar.
(4) simple to operate efficient, safe and reliable.Through in-place test, female driver one people just can complete operation, satisfactory for result.Solution has become former brake-loosing mechanism specialized maintenance personnel must could operate the present situation declutching and overcome difficulties.
(5) this brake-releasing gear can be used for the periodic inspection each drg being carried out to deceleration and stopping performance, prevents from there is the phenomenon of being an incompetent person or a person unequal to his task during multiple brake.For 3 motor-driven 3 drgs, two can be unclamped arbitrarily with brake-releasing gear, check the damped condition of another one; For 2 motor-driven 2 drgs, only can pull one end of total handle with brake-releasing gear, check another damped condition.
(6) popularizing application prospect is wide.Domestic nearly all high building project, all adopt SC type building hoist, annual increment is ten hundreds of, and skyscraper is more, and usage quantity is larger.
(7) for the formulation of safety standard provides failure-free technical support.
Accompanying drawing explanation
Fig. 1 is the front view of usual using state of the present utility model,
Fig. 2 is the birds-eye view of usual using state of the present utility model,
Fig. 3 is the birds-eye view of another kind of using state of the present utility model.
In in the drawings ~ Fig. 3, drive motor rear side housing (1), short handle (2), the nut that declutches (3), adjusting screw(rod) (4), pressing plate (5), fly nut (6), pressing plate bolt of rear end plate (7), pressing plate retracing spring (8), ripping bar (9), hinge bolt (10), U-joint (11), bolt (12), total handle (13).
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described:
Shown in Fig. 3, a kind of disposal device declutching simultaneously for two drgs of building hoist and brake, comprise drive motor rear side housing, ripping bar, U-joint, total handle, wherein, the described hinged U-joint 11 of total handle 13 two ends bolt 12, described U-joint 11 connects one end of two ripping bars 9 with hinge bolt 10, the other end of two ripping bars 9 is respectively by 2 pressing plate fix screws 7, pressing plate retracing spring 8, fly nut 6 and pressing plate 5 are fitted together in advance, and make ripping bar 9 end and pressing plate 5 remain with the gap being equivalent to first wife's short handle 2 thickness, the preassembled unit end of two ripping bars 9 is inserted in respectively the upper of two first wife's short handle 2 power arm ends, lower surface, with hand, fly nut 6 is screwed pressing plate 5, short handle 2 is made to form spreading power arm with ripping bar 9, make original two independently leverage be connected, form the composition linkage mechanism comprising two leverages in a four-bar linkage.One end of two described ripping bars 9 also can be designed as a whole with short handle 2, be directly installed on drive motor rear side housing 1 adjusting screw(rod) 3 and with declutching between nut 4, retain 3 to 5mm gap.
Described total handle 13 is provided with several groups of symmetrical holes, can adjust the installation site of U-joint 11.
The method of overcoming difficulties that declutches is: first cut off the electricity supply, and according to the positional distance between 2 drgs, 2 U-joint symmetries installed and the two ends of always shaking hands, the other end of U-joint is connected with ripping bar.(note: three is motor-driven, the nut 3 that first will be declutched by one of them electromotor brake spanner screws, it is made to declutch in advance), then, 2 ripping bars 9 are inserted respectively the end of the short handle 2 of the original configuration of two drgs together with pressing plate 5 parts, by hand two pressing plates 5 are screwed respectively, check that two groups of nuts 3 that declutch keep roughly the same gap with short handle 2, general about 3 ~ 5mm, then, 13 do discontinuous by always shaking hands outward and pull, must put by a pine one, now, the rear side housing of two drive motor is the fulcrum of two ripping bars respectively; Declutch nut 3 and adjusting screw(rod) 4 above it, under the effect of two ripping bars 9, up move formation respectively to declutch simultaneously, then move down formation band-type brake again simultaneously, form two drgs and carry out alternative expression one pine one simultaneously and put, thus the discontinuous realizing cage moves down.Flat bed puts people and unloading nearby.
When applying pulling force outward at total handle 13, two lengthen ripping bar parts 9 rotates around the fulcrum of respective leverage immediately, two leverages lengthened in ripping bar 9 parts make that two drgs are simultaneously brisk to declutch respectively, cage moves down immediately under Gravitative Loads, moment that what they were different declutch and the stroke that declutches, adjust with the change of ripping bar 9 hinged joint position automatically by the U-joint 11 being arranged on total handle 13 two ends.When manually will always shake hands 13 release time, the band-type brake spring of two drive motor drgs makes rapidly respective brake braking simultaneously, and cage stops mobile immediately under two drg effects.
As shown in Figure 3, U-joint 11 can turn to fixing, and by U-joint 11 half-twist, the handle be between two drgs is the using state of parallel installation.
Total handle 13 is opened more several groups of symmetrical holes, also can perforate targetedly, in order to adjust the installation site of U-joint 11; For the situation that two drg distances are longer, two ripping bar extending devices (comprising former handle) can oppositely be installed, to reduce size and the material of main handle.Manufacture a product to the building hoist of having shaped, this brake-releasing gear supporting can be made to measure, with reduce some sizes, material and some move fixing link, connection fittings etc.
Claims (3)
1. the disposal device declutching simultaneously for two drgs of building hoist and brake, comprise drive motor rear side housing, ripping bar, U-joint, total handle, it is characterized in that, described total handle (13) two ends bolt (12) hinged U-joint (11), described U-joint (11) connects one end of two ripping bars (9) with hinge bolt (10), the other end of two ripping bars (9) is respectively by 2 pressing plate fix screws (7), pressing plate retracing spring (8), fly nut (6) and pressing plate (5) are fitted together in advance, and make ripping bar (9) end and pressing plate (5) remain with the gap being equivalent to the short handle of first wife (2) thickness, the preassembled unit end of two ripping bars (9) is inserted in respectively the upper of two the short handle of first wife (2) power arm ends, lower surface, with hand, fly nut (6) is screwed pressing plate (5), short handle (2) and ripping bar (9) is made to form spreading power arm, make original two independently leverage be connected, form the composition linkage mechanism comprising two leverages in a four-bar linkage.
2. the disposal device declutching simultaneously for two drgs of building hoist and brake according to claim 1, it is characterized in that, one end of two described ripping bars (9) also can be designed as a whole with short handle (2), directly be installed on drive motor rear side housing (1) adjusting screw(rod) (3) and with between the nut that declutches (4), retain 3 to 5mm gap.
3. the disposal device declutching simultaneously for two drgs of building hoist and brake according to claim 1, it is characterized in that, described total handle (13) is provided with several groups of symmetrical holes, can adjust the installation site of U-joint (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420321629.1U CN204057547U (en) | 2013-09-05 | 2014-06-17 | For the disposal device that building hoist two drgs declutch and brake simultaneously |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549472.3 | 2013-09-05 | ||
| CN201320549472 | 2013-09-05 | ||
| CN201420321629.1U CN204057547U (en) | 2013-09-05 | 2014-06-17 | For the disposal device that building hoist two drgs declutch and brake simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204057547U true CN204057547U (en) | 2014-12-31 |
Family
ID=52199103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420321629.1U Expired - Lifetime CN204057547U (en) | 2013-09-05 | 2014-06-17 | For the disposal device that building hoist two drgs declutch and brake simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204057547U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104418208A (en) * | 2013-09-05 | 2015-03-18 | 广西壮族自治区特种设备监督检验院 | Difficulty-overcoming device for simultaneously releasing and braking two brakes of building hoist |
| CN106586757A (en) * | 2017-01-17 | 2017-04-26 | 广西壮族自治区特种设备检验研究院 | Difficulty overcoming device of construction lifter |
-
2014
- 2014-06-17 CN CN201420321629.1U patent/CN204057547U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104418208A (en) * | 2013-09-05 | 2015-03-18 | 广西壮族自治区特种设备监督检验院 | Difficulty-overcoming device for simultaneously releasing and braking two brakes of building hoist |
| CN106586757A (en) * | 2017-01-17 | 2017-04-26 | 广西壮族自治区特种设备检验研究院 | Difficulty overcoming device of construction lifter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141231 |