CN104340912A - Manual hoisting chain block - Google Patents
Manual hoisting chain block Download PDFInfo
- Publication number
- CN104340912A CN104340912A CN201410554095.1A CN201410554095A CN104340912A CN 104340912 A CN104340912 A CN 104340912A CN 201410554095 A CN201410554095 A CN 201410554095A CN 104340912 A CN104340912 A CN 104340912A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- pin
- gear
- gear sleeve
- manual hoisting
- 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.)
- Granted
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Classifications
-
- 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
- B66D3/16—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable operated by an endless chain passing over a pulley or a sprocket
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
- Retarders (AREA)
Abstract
The invention discloses a manual hoisting chain block. The manual hoisting chain block comprises a driving chain wheel, a driven chain wheel, a driving chain and a hoisting chain, wherein an eccentric sleeve is arranged on one side of the driving chain wheel; a pin gear sleeve is arranged between the driving chain wheel and the driven chain wheel, and gear pins are uniformly distributed on the pin gear sleeve; the eccentric sleeve is inserted in the pin gear sleeve; an outer gear sleeve is arranged on one side of the driven chain wheel; the outer gear sleeve is inserted in the pin gear sleeve and is engaged with a portion of gear pins; the amount of the teeth of the outer gear sleeve is one smaller than that of the gear pins; the sum of the diameter of the outer gear sleeve and duplex eccentric distance of the eccentric sleeve is equal to the pitch diameters of the gear pins; a connecting shaft sleeve is arranged in the driving chain wheel and the driven chain wheel; mounting plates are arranged at the two ends of the connecting shaft sleeve; the upper ends of the two mounting plates are connected with each other through a mounting sleeve; a boss is arranged on the outer wall of the pin gear sleeve; the boss is clamped outside the mounting sleeve. The manual hoisting chain block has the advantages of simple and compact structure, convenient use and mounting, low manufacturing cost, small size, low weight, no idle running of the driving chain, labor saving and time saving, and the labor intensity of operators is alleviated.
Description
Technical field
The present invention relates to a kind of elevator machinery, particularly a kind of Manual hoisting jack.
Background technology
" jack " has another name called " chain block ", a kind ofly use Manual hoisting instrument simple and easy, easy to carry, use the principle of wheel shaft thus served labour-saving effect, be applicable to the installation exercises such as factory, mine, building ground, harbour, vessel, warehouse, for outdoor and more have its important function without electric operation.
Jack conventional is at present by housing, is located at the anti-down self-locking device composition of the gear cluster in housing, friction pair and ratchet.This jack complex structure, manufacturing cost is high, uses and installs inconvenience, particularly lifts by crane and once needs the endless chain idle travel on drive sprocket to refund afterwards just can carry out secondary hoisting, time-consuming, increases the labour intensity of workman.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of simple and compact for structure, uses, easy for installation, and no-idle running, saving of work and time, has auto-lock function, the Manual hoisting jack that cost of manufacture is low.
For solving the problem, the present invention adopts following technical scheme:
A kind of Manual hoisting jack, comprise drive sprocket and driven sprocket, drive sprocket and driven sprocket are respectively equipped with annular key way, and drive chain and lifting chain is respectively equipped with in annular key way, an eccentric bushing is provided with in drive sprocket side, a pin gear sleeve is provided with between drive sprocket and driven sprocket, a circle gear pin is evenly equipped with in pin gear sleeve, described eccentric bushing inserts in the centre hole of pin gear sleeve, an external tooth cover is provided with in driven sprocket side, described external tooth cover to insert in pin gear sleeve and is engaged with part gear pin, few one of the quantity of the teeth number ratio gear pin of external tooth cover, the eccentric bushing eccentric throw sum of the diameter of external tooth cover and two times equals the uniform reference diameter of gear pin, a connecting bushing is provided with in the centre hole of drive sprocket and driven sprocket, adapter plate is arranged with respectively at connecting bushing two ends, the upper end of two adapter plates is interconnected by an installation sleeve, a boss is provided with at pin gear sleeve outer wall, described boss is stuck in outside installation sleeve by the U-shaped groove in the middle part of it.
Preferably, the width of described U-shaped groove equals the diameter of installation sleeve and the eccentric bushing eccentric throw sum of two times.
Preferably, in the centre hole of drive sprocket and driven sprocket and be respectively equipped with needle bearing A between connecting bushing.
Preferably, between eccentric bushing and the centre hole of pin gear sleeve, needle bearing B is provided with.
Preferably, between driven sprocket and the end face of pin gear sleeve, seal ring is provided with.
Preferably, pin gear sleeve is processed with an annular groove, described gear pin is fixed on the inwall place, large footpath of annular groove.
Preferably, described connecting bushing two ends are connected to dowel bolt, to realize the location to two adapter plates.
Preferably, be connected to bolt of rear end plate at the two ends of installation sleeve, the upper end of described two adapter plates to be set on installation sleeve and spacing by bolt of rear end plate.
The invention has the beneficial effects as follows:
1, because this jack is only made up of several parts, and the parts carrying out relatively rotating are few, therefore simple and compact for structure, use, easy for installation, cost of manufacture is low, and volume is little, lightweight.
2, due to after drive sprocket rotation, pin gear sleeve is driven to do sieve pendular motion in original place by eccentric bushing, thus drive driven sprocket to do differential speed rotation by gear pin, therefore drive chain no-idle running, solve traditional jack and the idle travel of drive chain must be refunded the difficult problem just carrying out secondary hoisting, saving of work and time, alleviates the labour intensity of operator.
3, the hoisting function owing to utilizing cycloidal-pin wheel differentia transmission principle to realize jack, therefore this jack structure has auto-lock function, without the need to arranging the anti-down self-locking device of ratchet more in addition, further simplify structure.Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 3.
In figure: driven sprocket 1, annular key way 101, external tooth cover 2, installation sleeve 3, pin gear sleeve 4, annular groove 401, boss 402, U-shaped groove 403, bolt of rear end plate 5, adapter plate 6, needle bearing B7, drive sprocket 8, annular key way 801, needle bearing A9, dowel bolt 10, connecting bushing 11, eccentric bushing 12, circle gear pin 13, drive chain 14, seal ring 15, lifting chain 16.
Detailed description of the invention
As shown in Figure 1-Figure 3, a kind of Manual hoisting jack involved in the present invention, comprise drive sprocket 8 and driven sprocket 1, drive sprocket 8 and driven sprocket 1 are respectively equipped with annular key way 801 and 101, in the annular key way 801 and 101 of drive sprocket 8 and driven sprocket 1, are respectively equipped with drive chain 14 and the lifting chain 16 of ring seal.An eccentric bushing 12 is provided with in drive sprocket 8 corresponding driven sprocket 1 side, eccentric bushing 12 and drive sprocket 8 are structure as a whole, a pin gear sleeve 4 is provided with between drive sprocket 8 and driven sprocket 1, described eccentric bushing 12 inserts in the centre hole of pin gear sleeve 4, is provided with needle bearing B7 between eccentric bushing 12 and the centre hole of pin gear sleeve 4.
Pin gear sleeve 4 is processed with an annular groove 401, is fixedly installed with a circle gear pin 13 the inwall place, large footpath of described annular groove 401 is uniform, as preferably, the present embodiment gear pin 13 is for 40.The circumference half part of gear pin 13 protrudes the large footpath inwall of described annular groove 401.Be provided with a trapezoid boss 402 at pin gear sleeve 4 outer wall, in the middle part of boss 402, be processed with a U-shaped groove 403.
An external tooth cover 2 is provided with in driven sprocket 1 corresponding drive sprocket 8 side, external tooth cover 2 and driven sprocket 1 are structure as a whole, be engaged with part gear pin 13 in the annular groove 401 that described external tooth cover 2 inserts pin gear sleeve 4, few one of the quantity of the teeth number ratio gear pin 13 of external tooth cover 2, the eccentric throw sum of the eccentric bushing 12 of the diameter of external tooth cover 2 and two times equals the uniform reference diameter of gear pin 13, to guarantee relative motion to be realized between the external tooth cover 2 of driven sprocket 1 and pin gear sleeve 4, namely drive driven sprocket 1 differential speed rotation by the sieve pendular motion of pin gear sleeve 4.
In the centre hole of drive sprocket 8 and driven sprocket 1, be inserted with a connecting bushing 11, between connecting bushing 11 and the centre hole of drive sprocket 8 and driven sprocket 1, be separately installed with a set of needle bearing A9.Be arranged with adapter plate 6 respectively at connecting bushing 11 two ends, described drive sprocket 8 and driven sprocket 1 are clipped between two adapter plates 6, respectively by the dowel bolt 10 that has been threaded in the centre hole of connecting bushing 11 two ends, to realize the location to two adapter plates 6.
The upper end of described two adapter plates 6 is interconnected by an installation sleeve 3, and respectively by the bolt of rear end plate 5 that has been threaded in the two ends centre hole of installation sleeve 3, the upper end of described two adapter plates 6 to be set on installation sleeve 3 and spacing by bolt of rear end plate 5.Described pin gear sleeve 4 is stuck in outside installation sleeve 3 by the U-shaped groove 403 on its boss 402, and the width of described U-shaped groove 403 equals the eccentric throw sum of the diameter of installation sleeve 3 and the eccentric bushing 12 of two times.
As preferably, between driven sprocket 1 and the end face of pin gear sleeve 4, be provided with seal ring 15, so that realize the teeth of external tooth cover 2 and the lubrication and seal of gear pin 13.
During use, this Manual hoisting jack is suspended on jack support by installation sleeve 3, drop the drive chain 14 on drive sprocket 8, drive sprocket 8 is driven to rotate, and drive the eccentric bushing 12 on drive sprocket 8 to do eccentric rotary, pin gear sleeve 4 is driven to move by the rotation of eccentric bushing 12, because pin gear sleeve 4 upper end is stuck in outside installation sleeve 3, therefore pin gear sleeve 4 can realize doing sieve pendular motion in original place, being engaged with the part of external tooth cover 2 by gear pin 13 drives driven sprocket 1 to do differential speed rotation, thus drive lifting chain 16 cycle rotation, realize the lifting to weight.Manual drives drive sprocket 8 often turns around, and pin gear sleeve 4 drives driven sprocket 1 turn of teeth, and therefore lifting is steady.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (8)
1. a Manual hoisting jack, comprise drive sprocket and driven sprocket, drive sprocket and driven sprocket are respectively equipped with annular key way, and drive chain and lifting chain is respectively equipped with in annular key way, it is characterized in that: be provided with an eccentric bushing in drive sprocket side, a pin gear sleeve is provided with between drive sprocket and driven sprocket, a circle gear pin is evenly equipped with in pin gear sleeve, described eccentric bushing inserts in the centre hole of pin gear sleeve, an external tooth cover is provided with in driven sprocket side, described external tooth cover to insert in pin gear sleeve and is engaged with part gear pin, few one of the quantity of the teeth number ratio gear pin of external tooth cover, the eccentric bushing eccentric throw sum of the diameter of external tooth cover and two times equals the uniform reference diameter of gear pin, a connecting bushing is provided with in the centre hole of drive sprocket and driven sprocket, adapter plate is arranged with respectively at connecting bushing two ends, the upper end of two adapter plates is interconnected by an installation sleeve, a boss is provided with at pin gear sleeve outer wall, described boss is stuck in outside installation sleeve by the U-shaped groove in the middle part of it.
2. Manual hoisting jack according to claim 1, is characterized in that: the width of described U-shaped groove equals the diameter of installation sleeve and the eccentric bushing eccentric throw sum of two times.
3. Manual hoisting jack according to claim 1 and 2, is characterized in that: in the centre hole of drive sprocket and driven sprocket and be respectively equipped with needle bearing A between connecting bushing.
4. Manual hoisting jack according to claim 3, is characterized in that: between eccentric bushing and the centre hole of pin gear sleeve, be provided with needle bearing B.
5. Manual hoisting jack according to claim 1, is characterized in that: between driven sprocket and the end face of pin gear sleeve, be provided with seal ring.
6. Manual hoisting jack according to claim 1 and 2, is characterized in that: on pin gear sleeve, be processed with an annular groove, and described gear pin is fixed on the inwall place, large footpath of annular groove.
7. Manual hoisting jack according to claim 1 and 2, is characterized in that: described connecting bushing two ends are connected to dowel bolt, to realize the location to two adapter plates.
8. Manual hoisting jack according to claim 1 and 2, is characterized in that: be connected to bolt of rear end plate at the two ends of installation sleeve, and the upper end of described two adapter plates to be set on installation sleeve and spacing by bolt of rear end plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554095.1A CN104340912B (en) | 2014-10-17 | 2014-10-17 | Manual hoisting jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554095.1A CN104340912B (en) | 2014-10-17 | 2014-10-17 | Manual hoisting jack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104340912A true CN104340912A (en) | 2015-02-11 |
| CN104340912B CN104340912B (en) | 2016-11-23 |
Family
ID=52497462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410554095.1A Active CN104340912B (en) | 2014-10-17 | 2014-10-17 | Manual hoisting jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104340912B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821148A (en) * | 2018-07-19 | 2018-11-16 | 河北怀鸽起重机械集团有限公司 | A kind of anti-sticking chain hangs upside down side and goes out chain electric block |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR343265A (en) * | 1904-05-18 | 1904-09-29 | Gaetan De Sainte Aldegonde | Differential gear hoist |
| US1588115A (en) * | 1921-05-14 | 1926-06-08 | John W Kittredge | Hoisting block |
| CN1103051A (en) * | 1993-07-02 | 1995-05-31 | 象印链滑车株式会社 | Manual chain block |
| CN2791005Y (en) * | 2005-04-14 | 2006-06-28 | 张文曰 | Oscillating tooth drive mechanism of hand-driven ring-chain hoist |
| CN2825583Y (en) * | 2005-09-29 | 2006-10-11 | 金安桐 | Chain type double-hook hoist |
-
2014
- 2014-10-17 CN CN201410554095.1A patent/CN104340912B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR343265A (en) * | 1904-05-18 | 1904-09-29 | Gaetan De Sainte Aldegonde | Differential gear hoist |
| US1588115A (en) * | 1921-05-14 | 1926-06-08 | John W Kittredge | Hoisting block |
| CN1103051A (en) * | 1993-07-02 | 1995-05-31 | 象印链滑车株式会社 | Manual chain block |
| CN2791005Y (en) * | 2005-04-14 | 2006-06-28 | 张文曰 | Oscillating tooth drive mechanism of hand-driven ring-chain hoist |
| CN2825583Y (en) * | 2005-09-29 | 2006-10-11 | 金安桐 | Chain type double-hook hoist |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821148A (en) * | 2018-07-19 | 2018-11-16 | 河北怀鸽起重机械集团有限公司 | A kind of anti-sticking chain hangs upside down side and goes out chain electric block |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104340912B (en) | 2016-11-23 |
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| CP02 | Change in the address of a patent holder |
Address after: 536000 the Guangxi Zhuang Autonomous Region, Beihai Avenue, northwest sea export processing zone Patentee after: Lu Zhiwen Address before: 532200 the Guangxi Zhuang Autonomous Region Chongzuo Jiangzhou District No. 3 Jianshe Road Patentee before: Lu Zhiwen |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191129 Address after: 215100 4th floor, building 5, No. 892, Wusong Road, Guoxiang street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: Harvey Optoelectronic Technology (Suzhou) Co., Ltd Address before: 536000 the Guangxi Zhuang Autonomous Region, Beihai Avenue, northwest sea export processing zone Patentee before: Lu Zhiwen |