CN106081987B - A kind of underloading Lever Blocks and its arrestment mechanism - Google Patents
A kind of underloading Lever Blocks and its arrestment mechanism Download PDFInfo
- Publication number
- CN106081987B CN106081987B CN201610563936.4A CN201610563936A CN106081987B CN 106081987 B CN106081987 B CN 106081987B CN 201610563936 A CN201610563936 A CN 201610563936A CN 106081987 B CN106081987 B CN 106081987B
- Authority
- CN
- China
- Prior art keywords
- ratchet
- handwheel
- underloading
- slot
- pin
- 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.)
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Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 238000009423 ventilation Methods 0.000 claims abstract description 27
- 238000005461 lubrication Methods 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims description 14
- 230000013011 mating Effects 0.000 claims description 3
- 240000009087 Crescentia cujete Species 0.000 claims 1
- 235000005983 Crescentia cujete Nutrition 0.000 claims 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 claims 1
- 235000014676 Phragmites communis Nutrition 0.000 claims 1
- 230000007812 deficiency Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/023—Cooling of brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0183—Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of underloading Lever Blocks arrestment mechanisms, including chain hoist wheel, chain hoist wheel is socketed on long axis, brake disc is fixedly connected on long axis, ratchet is socketed in brake disc, commutation ratchet is socketed on long axis, handwheel is connected on commutation ratchet, positioning seat is fixed on the inside of handwheel, positioning seat is connect by spring positioning pearl with handwheel lubrication groove, handwheel spring is connected between handwheel and handwheel lubrication groove, looping pit is provided on the contact surface of ratchet and commutation ratchet, runner is provided in looping pit, several the first ventilation slots being parallel to each other are provided between the bottom surface and runner of ratchet, several the second ventilation slots being parallel to each other are provided on runner, the angle of first ventilation slot and the second ventilation slot is 20 °~40 °, the pin with looping pit selectivity grafting is provided on commutation ratchet, pin and turning wheel interval cooperate.The present invention can improve the deficiencies in the prior art, reduce the heat fade problem of arrestment mechanism, improve the release uniformity of brake force.
Description
Technical field
The present invention relates to a kind of mechanical hoisting mechanism, especially a kind of underloading Lever Blocks and its arrestment mechanism.
Background technique
Lever Blocks is a using simple, easy to carry Manual hoisting tool.Lever Blocks can be promoted, be led
The operations such as draw, decline, calibrating.Lifting capacity is usually no more than 50T, be widely used in shipbuilding, electric power, transport, building, mine,
The equipment of the industries such as post and telecommunications is installed, article lifting, parts drawing etc..
Currently, general Lever Blocks brake apparatus due to structure, is being less than rated load 10% or unloaded feelings
Under condition, it may appear that the phenomenon that load or load free fall brake failure cannot be lifted, here it is the underloading characteristic of Lever Blocks,
Since this feature Lever Blocks is certain using haveing the defects that in certain circumstances.
Chinese utility model patent CN 204569272U discloses a kind of underloading Lever Blocks and its arrestment mechanism, realizes
Underloading or it is unloaded when slinging work.But this brake structure heat fade is fairly obvious, brake force release is uneven
It is even.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of underloading Lever Blocks and its arrestment mechanisms, are able to solve existing
The deficiency of technology reduces the heat fade problem of arrestment mechanism, improves the release uniformity of brake force.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of underloading Lever Blocks arrestment mechanism, including chain hoist wheel, chain hoist wheel are socketed on long axis, fixed on long axis
It is connected with brake disc, ratchet is socketed in brake disc, commutation ratchet is socketed on long axis, is connected with handwheel, hand on the ratchet that commutates
Wheel inside is fixed with positioning seat, and positioning seat is connect with handwheel lubrication groove by spring positioning pearl, connected between handwheel and handwheel lubrication groove
There is handwheel spring, is provided with looping pit on ratchet and the contact surface of commutation ratchet, runner, the bottom surface of ratchet are provided in looping pit
Several the first ventilation slots being parallel to each other are provided between runner, be provided with that several are parallel to each other on runner second is logical
The angle of wind groove, the first ventilation slot and the second ventilation slot is 20 °~40 °, is provided on the ratchet that commutates and selectively inserts with looping pit
The pin connect, pin and turning wheel interval cooperate.
Preferably, the surface of the pin is evenly arranged with several axial diversion slots, adjacent axial diversion slot it
Between be provided with bypass slot, bypass slot is parallel to each other with the second ventilation slot.
Preferably, the ratchet side with brake disc is provided with endless metal elastic slice, endless metal elastic slice and annular
Hole is connected, and pin is selectively squeezed with endless metal elastic slice and contacted, and axial deflector hole is provided in pin, deflector hole passes through
Capillary is connected to axial diversion slot.
Preferably, being provided with rough layer, the bottom of rough layer on the contact surface of the brake disc and endless metal elastic slice
It is provided with oven wire mesh blanket, the bottom of oven wire mesh blanket is provided with ventilation duct.
Preferably, the surface of the brake disc contacted with ratchet bottom surface is provided with rubber bumps portion, the top in rubber bumps portion
Portion is provided with bulb, and the bottom setting in rubber bumps portion is fluted, and bulb and the first ventilation slot are selectively mating.
Preferably, being vertically arranged with sliding rail on the positioning seat, sliding is provided with trigonal slider, triangle in sliding rail
Buffer spring is connected between sliding block and sliding rail, spring positioning pearl is in contact with trigonal slider, the bottom of trigonal slider with
The touching of handwheel spring interface.
A kind of underloading Lever Blocks, including above-mentioned underloading Lever Blocks arrestment mechanism.
Brought beneficial effect is by adopting the above technical scheme: the present invention is by improving ratchet, commutation ratchet and system
The CONTACT WITH FRICTION structure of Moving plate, not only increases the heat dissipation effect of entire frictional contact surface, reduces heat fade effect, Er Qietong
Multi-level brake force release is crossed, influence of the heat fade for the brake force release uniformity can be effectively reduced.
Detailed description of the invention
Fig. 1 is the structure chart of a specific embodiment of the invention.
Fig. 2 is the structure chart of ratchet and commutation ratchet contact position in a specific embodiment of the invention.
Fig. 3 is the sectional view of pin in a specific embodiment of the invention.
Fig. 4 is the structure chart in rubber bumps portion in a specific embodiment of the invention.
Fig. 5 is the structure chart of brake disc and ratchet contact position in a specific embodiment of the invention.
Fig. 6 is the structure chart of positioning seat in a specific embodiment of the invention.
In figure: 1, chain hoist wheel；2, long axis；3, brake disc；4, ratchet；5, commutate ratchet；6, handwheel；7, positioning seat；8,
Handwheel spring；9, handwheel lubrication groove；10, spring positioning pearl；11, looping pit；12, runner；13, the first ventilation slot；14, the second ventilation
Slot；15, pin；16, axial diversion slot；17, bypass slot；18, rubber bumps portion；19, bulb；20, groove；21, endless metal
Elastic slice；22, deflector hole；23, capillary；24, rough layer；25, oven wire mesh blanket；26, ventilation duct；27, trigonal slider；28,
Sliding rail；29, buffer spring.
Specific embodiment
The standardized element used in the present invention can commercially, and shaped piece is according to specification and attached drawing
Record can carry out customized, and the specific connection type of each part is all made of in the prior art mature bolt, rivet, weldering
The conventional means such as connect, paste, this will not be detailed here.
Referring to Fig.1-6, a specific embodiment of the invention includes chain hoist wheel 1, and chain hoist wheel 1 is socketed on long axis 2,
It is fixedly connected with brake disc 3 on long axis 2, ratchet 4 is socketed in brake disc 3, commutation ratchet 5 is socketed on long axis 2, commutate ratchet
It is connected with handwheel 6 on 5, positioning seat 7 is fixed on the inside of handwheel 6, positioning seat 7 is connect by spring positioning pearl 10 with handwheel lubrication groove 9,
It is connected with handwheel spring 8 between handwheel 6 and handwheel lubrication groove 9, is provided with looping pit 11 on ratchet 4 and the contact surface of commutation ratchet 5,
It is provided with runner 12 in looping pit 11, several the first ventilations being parallel to each other are provided between the bottom surface and runner 12 of ratchet 4
Slot 13, is provided with several the second ventilation slots 14 being parallel to each other on runner 12, the first ventilation slot 14 and the second ventilation slot 14
Angle is 25 °, and the pin 15 with the selective grafting of looping pit 11 is provided on the ratchet 5 that commutates, and pin 15 is matched with 12 gap of runner
It closes.The surface of pin 15 is evenly arranged with several axial diversion slots 16, is provided with bypass between adjacent axial diversion slot 16
Slot 17, bypass slot 17 are parallel to each other with the second ventilation slot 14.4 side of ratchet contacted with brake disc 3 is provided with endless metal bullet
Piece 21, endless metal elastic slice 21 are connected with looping pit 11, and pin 15 is squeezed with 21 selectivity of endless metal elastic slice and contacted, pin
Axial deflector hole 22 is provided in 15, deflector hole 22 is connected to by capillary 23 with axial diversion slot 16.Brake disc 3 and annular
Rough layer 24 is provided on the contact surface of metal clips 21, the bottom of rough layer 24 is provided with oven wire mesh blanket 25, wire mesh
The bottom of layer 25 is provided with ventilation duct 26.The surface of the brake disc 3 contacted with 4 bottom surface of ratchet is provided with rubber bumps portion 18, rubber
The top of glue lug boss 18 is provided with bulb 19, the bottom setting fluted 20 in rubber bumps portion 18, bulb 19 and the first ventilation
13 selectivity of slot is mating.Sliding rail 28 is vertically arranged on the positioning seat 7, sliding is provided with trigonal slider in sliding rail 28
27, buffer spring 29 is connected between trigonal slider 27 and sliding rail 28, spring positioning pearl 10 is in contact with trigonal slider 27,
The bottom of trigonal slider 27 is in contact with handwheel spring 8.
A kind of underloading Lever Blocks, including above-mentioned underloading Lever Blocks arrestment mechanism.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. a kind of underloading Lever Blocks arrestment mechanism, including chain hoist wheel (1), chain hoist wheel (1) are socketed on long axis (2), long
It is fixedly connected with brake disc (3), is socketed in brake disc (3) ratchet (4) on axis (2), long axis is socketed with commutation ratchet on (2)
(5), it is connected with handwheel (6) in commutation ratchet (5), is fixed with positioning seat (7) on the inside of handwheel (6), positioning seat (7) is fixed by spring
Position pearl (10) connect with handwheel lubrication groove (9), handwheel spring (8) is connected between handwheel (6) and handwheel lubrication groove (9), feature exists
In: it is provided with looping pit (11) on ratchet (4) and the contact surface of commutation ratchet (5), is provided with runner (12) in looping pit (11),
Several first ventilation slots (13) being parallel to each other are provided between the bottom surface and runner (12) of ratchet (4), runner is set on (12)
Several the second ventilation slots (14) being parallel to each other are equipped with, the first ventilation slot (13) and the angle of the second ventilation slot (14) are 20 °
~40 °, it is provided with the pin (15) with looping pit (11) selective grafting in commutation ratchet (5), pin (15) and runner (12)
Clearance fit；
The surface of the pin (15) is evenly arranged with several axial diversion slots (16), between adjacent axial diversion slot (16)
It is provided with bypass slot (17), bypass slot (17) is parallel to each other with the second ventilation slot (14)；
Ratchet (4) side contacted with brake disc (3) is provided with endless metal elastic slice (21), endless metal elastic slice (21) and annular
Hole (11) is connected, and pin (15) is selectively squeezed with endless metal elastic slice (21) and contacted, and is provided in pin (15) axial
Deflector hole (22), deflector hole (22) are connected to by capillary (23) with axial diversion slot (16).
2. underloading Lever Blocks arrestment mechanism according to claim 1, it is characterised in that: brake disc (3) and endless metal
It is provided on the contact surface of elastic slice (21) rough layer (24), the bottom of rough layer (24) is provided with oven wire mesh blanket (25), metal
The bottom of silk screen layer (25) is provided with ventilation duct (26).
3. underloading Lever Blocks arrestment mechanism according to claim 1, it is characterised in that: contacted with ratchet (4) bottom surface
The surface of brake disc (3) is provided with rubber bumps portion (18), and bulb (19), rubber convex are provided at the top of rubber bumps portion (18)
Fluted (20) are arranged in the bottom for playing portion (18), and bulb (19) and the first ventilation slot (13) selectivity are mating.
4. underloading Lever Blocks arrestment mechanism according to claim 1, it is characterised in that: vertical on the positioning seat (7)
Be provided with sliding rail (28), sliding is provided with trigonal slider (27) in sliding rail (28), trigonal slider (27) and sliding rail (28) it
Between be connected with buffer spring (29), spring positioning pearl (10) is in contact with trigonal slider (27), the bottom of trigonal slider (27)
Portion is in contact with handwheel spring (8).
5. a kind of underloading Lever Blocks, it is characterised in that: pull calabash including underloading hand described in the claims 1-4 any one
Reed arrestment mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563936.4A CN106081987B (en) | 2016-07-18 | 2016-07-18 | A kind of underloading Lever Blocks and its arrestment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563936.4A CN106081987B (en) | 2016-07-18 | 2016-07-18 | A kind of underloading Lever Blocks and its arrestment mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106081987A CN106081987A (en) | 2016-11-09 |
| CN106081987B true CN106081987B (en) | 2019-02-12 |
Family
ID=57220572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610563936.4A Active CN106081987B (en) | 2016-07-18 | 2016-07-18 | A kind of underloading Lever Blocks and its arrestment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106081987B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106986279B (en) * | 2017-04-17 | 2018-09-28 | 维多利科技（江苏）有限公司 | A kind of braking clutch structure of Lever Blocks |
| JP6965074B2 (en) * | 2017-09-22 | 2021-11-10 | 株式会社シマノ | Spinning reel rotor braking device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2196206Y (en) * | 1994-04-21 | 1995-05-03 | 朱国胜 | Intermediate disc of friction clutch |
| CN2377395Y (en) * | 1998-06-01 | 2000-05-10 | 孔秋生 | Slave disc of friction clutch |
| CN101225860A (en) * | 2007-01-17 | 2008-07-23 | 湖北飞龙摩擦密封材料股份有限公司 | Brake sheet |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2608754Y (en) * | 2002-06-13 | 2004-03-31 | 英志企业股份有限公司 | Brake disk structure having deflecting heat dissipation |
| DE102009053613A1 (en) * | 2009-11-17 | 2011-05-19 | Demag Cranes & Components Gmbh | Chain hoist with a slip clutch |
| CN203922577U (en) * | 2014-06-25 | 2014-11-05 | 德森克电梯（中国）有限公司 | A kind of elevator traction sheave brake equipment |
| CN204569272U (en) * | 2015-02-04 | 2015-08-19 | 杭州维多利机械有限公司 | A kind of underloading Lever Blocks and stop mechanism thereof |
| CN105174116B (en) * | 2015-10-08 | 2017-09-29 | 浙江永天机电制造有限公司 | The two-way crane of multifunctional safe rope |
| CN105465254A (en) * | 2015-12-05 | 2016-04-06 | 重庆市永川区华益机械铸造有限责任公司 | Brake shoe for automobile |
-
2016
- 2016-07-18 CN CN201610563936.4A patent/CN106081987B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2196206Y (en) * | 1994-04-21 | 1995-05-03 | 朱国胜 | Intermediate disc of friction clutch |
| CN2377395Y (en) * | 1998-06-01 | 2000-05-10 | 孔秋生 | Slave disc of friction clutch |
| CN101225860A (en) * | 2007-01-17 | 2008-07-23 | 湖北飞龙摩擦密封材料股份有限公司 | Brake sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106081987A (en) | 2016-11-09 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181226 Address after: 223001 Huai'an Industrial Park, Huai'an City, Jiangsu Province, No. 8 East Development Road Applicant after: VICTORY TECHNOLOGY (JIANGSU) Co.,Ltd. Address before: 310000 No. 113 Tianhe Road, Yuhang Economic Development Zone, Hangzhou, Zhejiang Province Applicant before: VITALI (HANGZHOU) MACHINERY CO.,LTD. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Light-load lever block and brake mechanism thereof Effective date of registration: 20200120 Granted publication date: 20190212 Pledgee: Bank of China Limited Huai'an Qingjiangpu Branch Pledgor: VICTORY TECHNOLOGY (JIANGSU) Co.,Ltd. Registration number: Y2020320000086 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210107 Granted publication date: 20190212 Pledgee: Bank of China Limited Huai'an Qingjiangpu Branch Pledgor: VICTORY TECHNOLOGY (JIANGSU) Co.,Ltd. Registration number: Y2020320000086 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A light load handle hoist and its braking mechanism Effective date of registration: 20210108 Granted publication date: 20190212 Pledgee: Bank of China Limited Huai'an Qingjiangpu Branch Pledgor: VICTORY TECHNOLOGY (JIANGSU) Co.,Ltd. Registration number: Y2021980000189 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220803 Granted publication date: 20190212 Pledgee: Bank of China Limited Huai'an Qingjiangpu Branch Pledgor: VICTORY TECHNOLOGY (JIANGSU) Co.,Ltd. Registration number: Y2021980000189 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |