CN110203842B - Hook and unhook for hoist - Google Patents
Hook and unhook for hoist Download PDFInfo
- Publication number
- CN110203842B CN110203842B CN201910615931.5A CN201910615931A CN110203842B CN 110203842 B CN110203842 B CN 110203842B CN 201910615931 A CN201910615931 A CN 201910615931A CN 110203842 B CN110203842 B CN 110203842B
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- China
- Prior art keywords
- gear
- shaft
- torsion spring
- hook
- ratchet wheel
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Classifications
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- 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
- B66D5/32—Detent devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a hanging and unhooking device for a hoist, which comprises a support frame, a left wallboard, a right wallboard, a connecting seat and a hanging and unhooking device arranged between the left wallboard and the right wallboard, and is characterized in that: hang and take off the device and include couple, first gear, second gear, first reset torsion spring, second reset torsion spring, first locking subassembly and second locking subassembly, through rotating first gear and second gear, rotate the couple, the work is taken off to the completion couple to rethread first reset torsion spring and second reset torsion spring, and the completion is to couple double-lock to the couple to rethread first locking subassembly and second locking subassembly. The invention has simple mechanism and convenient use and reduces the safety risk.
Description
Technical Field
The invention belongs to the technical field of hoisting, and particularly relates to a hook-and-unhook for a hoisting hoist.
Background
The chain block is also called a fairy block, a chain block, a manual block, is a manual hoisting machine which is simple to use and convenient to carry, and is also called a 'chain block' or a 'chain block'. The lifting device is suitable for short-distance lifting of small equipment and goods, the lifting capacity generally does not exceed 10T, the maximum lifting capacity can reach 20T, and the lifting height generally does not exceed 6 m. Chain block mainly includes the couple, the jack-up chain wheel, the chain, hand sprocket, the stopper, couple etc. down, couple from top to bottom and be furnished with safe buckle, pull safe buckle through the manual work during the operation with when finishing the operation, make the heavy object hang on couple under and break away from couple down, need the operator to frequently stimulate chain block this moment, the operation is complicated, safe buckle fragile does not adorn safe buckle even on a lot of couple from top to bottom simultaneously, lead to couple and sling not hard up, bounce, take place personal danger or mechanical injury, the personnel of appearing is pounded by the object even, lead to the casualties.
Disclosure of Invention
The invention provides a hook-and-unhook for a hoist crane, aiming at overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a hook and release device for a hoist comprises a support frame, a left wall plate, a right wall plate, a connecting seat and a hook and release device arranged between the left wall plate and the right wall plate, wherein the hook and release device comprises a hook, a first shaft arranged on the left wall plate and the right wall plate and positioned on the left side of the hook, a second shaft arranged on the right side of the hook and positioned on the left wall plate and the right wall plate, a first gear sleeved on the first shaft, a second gear sleeved on the second shaft, a first locking component arranged below the second gear, a first reset torsion spring sleeved on the first shaft, one end of the first reset torsion spring is fixed on the first gear, the other end of the first reset torsion spring is fixed on the second gear, a second locking component arranged on the first gear and the second gear simultaneously, a third shaft arranged below the connecting seat and fixed on the left wall plate and the right wall plate simultaneously, a second reset torsion spring sleeved, The first locking assembly and the second locking assembly stop working, the first gear and the second gear simultaneously rotate clockwise to drive the hook to rotate anticlockwise, the second gear is firstly separated from the hook, the third gear is separated from the hook, the second gear is meshed with the hook again, the hook is positioned under the third gear, the hook and the support frame form a closed circle, the second locking assembly is started to respectively lock the first gear and the second gear, and the second gear is simultaneously driven by the first locking assembly to be locked so as to lock the hook; the hook is opened, the first locking assembly and the second locking assembly are closed, the first gear and the second gear rotate anticlockwise through the first reset torsion spring and the second reset torsion spring, the hook rotates clockwise, the hook is firstly separated from the second gear, then meshed with the third gear and finally meshed with the second gear again, the hook is simultaneously combined with the second gear and the third gear and is positioned under the third gear to stop rotating, and the first gear is always meshed with the hook; rotate through the couple and realize inclosed circle with the support frame, avoid damaging or lack safe buckle because of safe buckle, lead to couple and lifting rope utensil not hard up, the bullet is opened, takes place the emergence of personal danger or mechanical injury scheduling problem, and the rethread sets up first locking subassembly and second locking subassembly, and the dual fail-safe reduces safe risk, this mechanism simple structure, convenient to use.
The first locking assembly comprises a base, a spring positioned in the base, a moving seat positioned above the spring in the base, a rotating roller rotatably arranged on the moving seat, a fixed column fixedly arranged on the moving seat, a rotary disc contacted with one end of the fixed column, two fixed blocks fixedly arranged on the upper part and the lower part of the rotary disc and a handle for driving the rotary disc to rotate; the handle rotates 90 degrees, upper and lower fixed blocks on carousel and the carousel rotate 90 degrees, thrust to removing the seat through the spring, make and remove the seat rebound, make to change to roll and the second gear tooth closes, the second gear rotates, make to change to roll and rotate, make simultaneously and remove the seat and move down, the rethread spring makes and removes the seat and shift up, make first locking subassembly can not be to the second gear locking, rethread rotates handle 90 degrees once more, make carousel and upper and lower fixed block on the carousel rotate 90 degrees, make upper and lower fixed block carry on spacingly to the fixed column that removes on the seat, make and remove the seat and can not move down, make the second gear can not rotate, to the second gear locking.
The second locking assembly comprises a first roller and a second roller which are rotatably arranged on the left wall plate, a rotating roller arranged between the first roller and the second roller, a first ratchet wheel fixed on the first gear, a second ratchet wheel fixed on the second gear, a first ratchet wheel meshed with the first ratchet wheel, a second ratchet wheel meshed with the second ratchet wheel, a first short shaft and a second short shaft which are fixedly arranged on the left wall plate, a first torsion spring sleeved on the first short shaft, a second torsion spring sleeved on the second short shaft, and a thin steel wire rope which is fixed on the first ratchet wheel and the second ratchet wheel, winds around the first roller and the second roller and simultaneously penetrates through the rotating roller; the first ratchet wheel and the second ratchet wheel are opposite in direction, and the first ratchet wheel and the second ratchet wheel are opposite in direction; the rotating roller rotates to enable the thin steel wire rope to wind on the rotating roller, the first ratchet and the second ratchet are pulled simultaneously, the first ratchet and the second ratchet are separated from the first ratchet and the second ratchet, the rotating roller stops rotating, the first torsion spring and the second torsion spring reset the first ratchet and the second ratchet, and the rotating roller rotates reversely to enable the first ratchet and the second ratchet to be meshed with the first ratchet and the second ratchet again; according to the invention, the first ratchet wheel, the second ratchet wheel, the first ratchet wheel and the second ratchet wheel are arranged to lock the first gear wheel and the second gear wheel, the thin steel wire rope is wound on the rotating roller through the rotation of the rotating roller, and meanwhile, the first ratchet wheel and the second ratchet wheel are pulled by the steel wire rope to separate the first ratchet wheel and the second ratchet wheel, so that the first ratchet wheel and the second ratchet wheel cannot lock the first ratchet wheel and the second ratchet wheel; the first ratchet and the second ratchet are reset by the first torsion spring and the second torsion spring, the rotating roller rotates reversely, the pulling force on the steel wire rope is released, the first ratchet and the second ratchet are meshed with the first ratchet wheel and the second ratchet wheel again, and the first ratchet and the second ratchet wheel are locked by the first ratchet and the second ratchet wheel again.
The hook comprises an arc-shaped hook, an arc-shaped rack arranged on the outer surface of the arc-shaped hook and a plurality of anti-skidding pieces arranged on the inner surface of the arc; make first gear and second gear rotation can drive the arc hook and rotate, through setting up a plurality of antiskid, increase stability avoids the heavy object that hangs to rock and drives the arc hook and rock and avoid wire rope wearing and tearing.
The anti-skid piece is provided with a plurality of through holes which are distributed annularly; the deformability of the anti-slip piece is increased, the anti-slip effect is increased, and the anti-slip piece can be prevented from deforming for a long time to cause tearing damage to the anti-slip piece.
The bottom surface below the support frame is arranged in an arc shape; the guide device has a guide effect on the hoisting positions of the steel wire rope or the handle and the like, so that the steel wire rope or the handle and the like are better positioned in the middle of the arc-shaped hook.
The contact part of the lower part of the connecting seat and the supporting seat is arranged in an arc shape; the contact area is increased, and meanwhile, the arc-shaped arrangement disperses the gravity borne by the connecting seat, so that the connecting seat is more durable.
The invention has the following advantages: rotate through the couple and realize inclosed circle with the support frame, avoid damaging or lack safe buckle because of safe buckle, lead to couple and lifting rope utensil not hard up, the bullet is opened, takes place the emergence of personal danger or mechanical injury scheduling problem, and the rethread sets up first locking subassembly and second locking subassembly, and the dual fail-safe reduces safe risk, this mechanism simple structure, convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of a hook for a hoist.
Fig. 2 is a first structural diagram of the hanging and taking-off device.
Fig. 3 is a second structural diagram of the hanging and releasing device.
Fig. 4 is an enlarged view of a portion a in fig. 2.
Fig. 5 is an enlarged view of fig. 2 at B.
Fig. 6 is a first structural diagram of the first locking assembly.
Fig. 7 is a second structural diagram of the first locking assembly.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-7, a hoist crane is with hanging unhook includes support frame 1, left wallboard 2, right wallboard 3, connecting seat 4, arranges hanging and taking off device 5 between left wallboard and the right wallboard in, its characterized in that: the hanging and releasing device 5 comprises a hook, a first shaft 52, a second shaft 53, a first gear 54, a second gear 55, a first locking component 56, a first reset torsion spring 57, a second reset torsion spring 58, a second locking component 59, a third shaft 60 and a third gear 61, wherein the first shaft 52 is arranged on the left wall plate and the right wall plate and is positioned on the left side of the hook, the second shaft 53 is arranged on the left wall plate and the right wall plate and is positioned on the right side of the hook, the first gear 54 is sleeved on the first shaft, the second gear 55 is sleeved on the second shaft, the first locking component 56 is arranged below the second gear, the first reset torsion spring 57 is sleeved on the first shaft, one end of the first reset torsion spring is fixed on the first shaft, the other end of the first torsion spring is fixed on the first shaft, the second reset torsion spring 58 is; the hook comprises an arc-shaped hook 510, an arc-shaped rack 520 arranged on the outer surface of the arc-shaped hook, and a plurality of anti-skidding pieces 530 arranged on the inner surface of the arc; the anti-slip piece is provided with a plurality of through holes 5301 which are distributed annularly; the first locking assembly and the second locking assembly stop working, the first gear and the second gear simultaneously rotate clockwise to drive the hook to rotate anticlockwise, the second gear is firstly separated from the hook, the third gear is separated from the hook, the second gear is meshed with the hook again, the hook is positioned under the third gear, the hook and the support frame form a closed circle, the second locking assembly is started to respectively lock the first gear and the second gear, and the second gear is simultaneously locked by driving of the first locking assembly to lock the hook; the couple is opened, and first locking subassembly and second locking subassembly are closed, make first gear and second gear anticlockwise rotation through first reduction torsional spring and second reduction torsional spring, and the couple clockwise turns, and the couple breaks away from the second gear at first, and then with the third gear meshing, finally again with the second gear meshing, the couple is located the third gear directly below stall with second gear and third gear tooth combination simultaneously, first gear all the time with the couple meshing.
The first locking assembly comprises a base 561, a spring 562 positioned in the base, a moving seat 563 positioned above the spring in the base, a rotating roller 564 rotatably arranged on the moving seat, a fixed column 565 fixedly arranged on the moving seat, a rotating disc 566 in contact with one end of the fixed column, two fixed blocks 567 fixedly arranged on the upper part and the lower part of the rotating disc, and a handle 568 driving the rotating disc to rotate; the handle rotates 90 degrees, upper and lower fixed blocks on carousel and the carousel rotate 90 degrees, thrust to removing the seat through the spring, make and remove the seat rebound, make to change to roll and the second gear tooth closes, the second gear rotates, make to change to roll and rotate, make simultaneously and remove the seat and move down, the rethread spring makes and removes the seat and shift up, make first locking subassembly can not be to the second gear locking, rethread rotates handle 90 degrees once more, make carousel and upper and lower fixed block on the carousel rotate 90 degrees, make upper and lower fixed block carry on spacingly to the fixed column that removes on the seat, make and remove the seat and can not move down, make the second gear can not rotate, to the second gear locking.
The second locking assembly comprises a first roller 591 and a second roller 592 rotatably arranged on the left wall board, a rotating roller 593 positioned between the first roller and the second roller, a first ratchet 594 fixed on the first gear, a second ratchet 595 fixed on the second gear, a first ratchet 596 engaged with the first ratchet, a second ratchet 597 engaged with the second ratchet, a first stub shaft 598 and a second stub shaft 599 fixedly arranged on the left wall board, a first torsion spring 5910 sleeved on the first stub shaft, a second torsion spring 5920 sleeved on the second stub shaft, and a hairline 5930 fixed on the first ratchet and the second ratchet and wound on the first roller and the second roller and simultaneously passing through the rotating roller; the first ratchet wheel and the second ratchet wheel are opposite in direction, and the first ratchet wheel and the second ratchet wheel are opposite in direction; the rotating roller rotates to enable the thin steel wire rope to wind on the rotating roller, the first ratchet and the second ratchet are pulled simultaneously, the first ratchet and the second ratchet are separated from the first ratchet and the second ratchet, the rotating roller stops rotating, the first torsion spring and the second torsion spring reset the first ratchet and the second ratchet, and the rotating roller rotates reversely to enable the first ratchet and the second ratchet to be meshed with the first ratchet and the second ratchet again.
Claims (7)
1. The utility model provides a hoist crane is with hanging unhook, includes support frame (1), left wallboard (2), right wallboard (3), connecting seat (4), arranges hanging take-off device (5) between left wallboard and the right wallboard in, its characterized in that: the hanging and releasing device (5) comprises a hook, a first shaft (52) which is arranged on the left wall plate and the right wall plate and is positioned on the left side of the hook, a second shaft (53) which is arranged on the left wall plate and the right wall plate and is positioned on the right side of the hook, a first gear (54) which is sleeved on the first shaft, a second gear (55) which is sleeved on the second shaft, and a first locking component (56) which is arranged below the second gear, the first reset torsion spring (57) is sleeved on the first shaft, one end of the first reset torsion spring is fixed on the first shaft, the other end of the first reset torsion spring is fixed on the first gear, the second reset torsion spring (58) is sleeved on the second shaft, one end of the second reset torsion spring is fixed on the second shaft, the other end of the second reset torsion spring is fixed on the second gear, the second locking assembly (59) is simultaneously arranged on the first gear and the second gear, the third shaft (60) is positioned below the connecting seat and is simultaneously fixed on the left wall plate and the right wall plate, and the third gear.
2. The unhooking device for the hoist as claimed in claim 1, wherein: the first locking assembly comprises a base (561), a spring (562) positioned in the base, a moving seat (563) positioned above the spring in the base, a rotating roller (564) rotatably arranged on the moving seat, a fixed column (565) fixedly arranged on the moving seat, a rotating disc (566) contacted with one end of the fixed column, an upper fixed block (567) and a lower fixed block (567) fixedly arranged on the rotating disc, and a handle (568) driving the rotating disc to rotate.
3. The unhooking device for the hoist as claimed in claim 1, wherein: the second locking assembly comprises a first roller (591) and a second roller (592) which are rotatably arranged on the left wall board, a rotating roller (593) arranged between the first roller and the second roller, a first ratchet wheel (594) fixed on the first gear, a second ratchet wheel (595) fixed on the second gear, a first ratchet wheel (596) meshed with the first ratchet wheel, a second ratchet wheel (597) meshed with the second ratchet wheel, a first short shaft (598) and a second short shaft (599) which are fixedly arranged on the left wall board, a first torsion spring (5910) sleeved on the first short shaft, a second torsion spring (5920) sleeved on the second short shaft, and a thin steel wire rope (5930) which is fixed on the first ratchet wheel and the second ratchet wheel, winds around the first roller and the second roller and simultaneously penetrates through the rotating roller.
4. The unhooking device for the hoist as claimed in claim 1, wherein: the hook comprises an arc-shaped hook (510), an arc-shaped rack (520) arranged on the outer surface of the arc-shaped hook, and a plurality of anti-skidding pieces (530) arranged on the inner surface of the arc.
5. The unhooking device for the hoist as claimed in claim 4, wherein: the anti-slip piece is provided with a plurality of through holes (5301) distributed in an annular manner.
6. The unhooking device for the hoist as claimed in claim 1, wherein: the bottom surface of the lower part of the support frame (1) is arc-shaped.
7. The unhooking device for the hoist as claimed in claim 1, wherein: the contact part of the lower part of the connecting seat (4) and the supporting seat is arc-shaped.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010658485.9A CN111891958B (en) | 2019-07-09 | 2019-07-09 | Convenient to use's hoist crane is with hanging unhook |
| CN201910615931.5A CN110203842B (en) | 2019-07-09 | 2019-07-09 | Hook and unhook for hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910615931.5A CN110203842B (en) | 2019-07-09 | 2019-07-09 | Hook and unhook for hoist |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010658485.9A Division CN111891958B (en) | 2019-07-09 | 2019-07-09 | Convenient to use's hoist crane is with hanging unhook |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110203842A CN110203842A (en) | 2019-09-06 |
| CN110203842B true CN110203842B (en) | 2020-12-11 |
Family
ID=67796998
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910615931.5A Active CN110203842B (en) | 2019-07-09 | 2019-07-09 | Hook and unhook for hoist |
| CN202010658485.9A Active CN111891958B (en) | 2019-07-09 | 2019-07-09 | Convenient to use's hoist crane is with hanging unhook |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010658485.9A Active CN111891958B (en) | 2019-07-09 | 2019-07-09 | Convenient to use's hoist crane is with hanging unhook |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110203842B (en) |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU948868A2 (en) * | 1981-01-04 | 1982-08-07 | Предприятие П/Я А-3590 | Variable-gearing pulley block for crane |
| DE3910369A1 (en) * | 1989-03-28 | 1990-10-04 | Mannesmann Ag | SECURITY DEVICE |
| US7255330B2 (en) * | 2004-06-09 | 2007-08-14 | The Crosby Group, Inc. | Field adjustable bridge crane block |
| CN201296615Y (en) * | 2008-10-21 | 2009-08-26 | 仇德发 | Hand pulling block |
| CN201424352Y (en) * | 2009-05-07 | 2010-03-17 | 胡汉珍 | Electric block of cylindrical mini steel wire rope |
| CN101962162A (en) * | 2010-11-05 | 2011-02-02 | 八达机电有限公司 | Suspended electric block |
| CN202492320U (en) * | 2012-01-05 | 2012-10-17 | 安徽九华机械有限公司 | Chain hoist |
| CN105253801A (en) * | 2015-11-10 | 2016-01-20 | 八达机电有限公司 | Electric block |
| CN106276667B (en) * | 2016-10-24 | 2019-03-05 | 慈溪捷豹起重机械有限公司 | A kind of mini Lever Blocks |
| US9796323B1 (en) * | 2016-10-26 | 2017-10-24 | Erik Edward Anderson | Ratcheting strap with take-up reel and hook storage |
| CN106348196A (en) * | 2016-11-30 | 2017-01-25 | 江西洪都航空工业集团有限责任公司 | Reverse self-locking mechanism of rotating shaft |
| CN107253681A (en) * | 2017-06-12 | 2017-10-17 | 国网山东省电力公司邹城市供电公司 | Power distribution construction drawing device |
| CN207483242U (en) * | 2017-11-24 | 2018-06-12 | 马志明 | It is a kind of can quick adjustment length jack |
| CN208218295U (en) * | 2018-03-16 | 2018-12-11 | 浙江安科磁力科技有限公司 | A kind of manual rope traction machine |
| CN208631981U (en) * | 2018-08-01 | 2019-03-22 | 法适达(上海)机械设备有限公司 | A kind of loading elevator |
| CN208747524U (en) * | 2018-09-26 | 2019-04-16 | 广东好太太科技集团股份有限公司 | A kind of clothes airing machine safe wire cable protection structure |
-
2019
- 2019-07-09 CN CN201910615931.5A patent/CN110203842B/en active Active
- 2019-07-09 CN CN202010658485.9A patent/CN111891958B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110203842A (en) | 2019-09-06 |
| CN111891958B (en) | 2021-08-31 |
| CN111891958A (en) | 2020-11-06 |
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Effective date of registration: 20201125 Address after: Room 1509-2, building 1, Jiaxing photovoltaic technology innovation park, 1288 Kanghe Road, Gaozhao street, Xiuzhou District, Jiaxing City, Zhejiang Province Applicant after: Jiaxing Huawei new energy Co., Ltd Address before: 313300 No. 7 Wufu Road, Tianzihu Industrial Park, Tianzihu Town, Anji County, Huzhou City, Zhejiang Province Applicant before: ZHEJIANG GUANLIN MACHINERY Inc. |
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