CN203682972U - Convenient-to-use lever pulley block - Google Patents
Convenient-to-use lever pulley block Download PDFInfo
- Publication number
- CN203682972U CN203682972U CN201320842002.6U CN201320842002U CN203682972U CN 203682972 U CN203682972 U CN 203682972U CN 201320842002 U CN201320842002 U CN 201320842002U CN 203682972 U CN203682972 U CN 203682972U
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- CN
- China
- Prior art keywords
- ratchet
- chain
- housing
- contraction spring
- main casing
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- 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.)
- Expired - Lifetime
Links
- 230000008602 contraction Effects 0.000 claims description 26
- 239000011800 void material Substances 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a convenient-to-use lever pulley block, which comprises a main body shell, a ratchet wrench device, a driven chain wheel device, a glasal component and a chain component, wherein an anti-reversion gear transmission mechanism and a chain wheel transmission mechanism are arranged in the main body shell; the chain component comprises three chains; a small chain wheel mechanism is also arranged in the main body shell; the driven chain wheel device comprises a large chain wheel mechanism; the small chain wheel mechanism comprises a first shell and a fixed pulley arranged in the first shell; the large chain wheel mechanism comprises a second shell and a movable pulley arranged in the second shell; first chain holes and second chain holes are formed in the bottom of the main body shell; one end of each chain is arranged at the upper end of the second shell, and the other ends of the chains are sequentially wound on the fixed pulley and the movable pulley, penetrate through the first chain holes, are wound on a main shaft of the chain wheel transmission mechanism, and penetrate through the second chain wheels. The lever pulley block has the advantages of simple and compact structure, low deformation rate, flexibility in use, lightweight, convenience, safety and the like, and can be applied to aloft work.
Description
Technical field
The present invention relates to lever hoist technical field, especially relate to a kind of lever hoist easy to use.
Background technology
Lever Blocks is that a use is simple, Manual hoisting instrument easy to carry.The operations such as it can promote, draw, decline, calibration.Hoisting capacity be generally no more than 50T. be widely used in the departments such as shipbuilding, electric power, transportation, building, mine, post and telecommunications equipment install, article lifting, parts tractive etc.
The screw of existing lever hoist is easily loosening, and link is easily out of shape, and causes and comes off, and produces potential safety hazard, old product four lines chain, and hoisting speed is slow, uses constant.
Summary of the invention
The deficiency existing for above-mentioned prior art, the object of this invention is to provide a kind of lever hoist easy to use, and it has simple and compact for structure, is not easy distortion, uses lithe, and convenient, safety, applicable to aloft work.
To achieve these goals, the technical solution adopted in the present invention is: a kind of lever hoist easy to use, comprise body shell, ratchet wrench device, driven sprocket device, Carcel board component and be arranged at body shell and driven sprocket device between chain assemblies, in described main casing, be provided with anti-backoff teeth wheel drive mechanism and chain wheel driving mechanism, described chain assemblies comprises three row chains, in described body shell, be also provided with minor sprocket mechanism, described driven sprocket device comprises hinge wheel mechanism, described minor sprocket mechanism comprises the first housing and is arranged at the fixed pulley in the first housing, described hinge wheel mechanism comprises the second housing and is arranged at the movable pulley in the second housing, the bottom of described main casing is provided with the first chain cylindrical void and the second chain cylindrical void, one end of described chain is arranged at the upper end of the second housing, the other end of described chain is successively around process fixed pulley and movable pulley, again through the first chain cylindrical void, be surrounded on the main shaft of chain wheel driving mechanism, again through the second chain cylindrical void.
Preferably, described chain is arranged with recoil spring near this one end of free wrench mechanism, and the end of recoil spring is provided with retaining ring.
Preferably, described ratchet wrench device comprises handwheel, ratchet handle, the large ratchet being sheathed on successively on main casing inner gear shaft and falls along ratchet.
Preferably, described handwheel is by hex screw and ratchet handle assembling, and large ratchet is articulated with the end of ratchet handle.
Preferably, described anti-backoff teeth wheel drive mechanism comprises braking ratchet, the first contraction spring, anti-reverse ratchet and the second contraction spring, described braking ratchet and anti-reverse ratchet all with main casing pin joint, one end of described the first contraction spring is fixedly connected with braking ratchet, the other end of described the first contraction spring is fixedly connected with main casing, and described braking ratchet is by the first contraction spring location; One end of described the second contraction spring is fixedly connected with anti-reverse ratchet, and the other end of described the second contraction spring is fixedly connected with main casing, and described anti-reverse ratchet is by the second contraction spring location.
Preferably, one end of described braking ratchet is spacing by anti-reverse ratchet, and the other end of described braking ratchet is by the main shaft in chain wheel driving mechanism and the between cog butt of large ratchet.
Preferably, described Carcel board component comprises upper lift ring and lower lift ring, and described upper lift ring is arranged at the upper end of the first housing, and described lower lift ring is arranged at the lower end of the second housing.
Adopt after said structure, the advantage that compared to the prior art the present invention had is: a kind of lever hoist easy to use, comprise body shell, ratchet wrench device, driven sprocket device, Carcel board component and be arranged at body shell and driven sprocket device between chain assemblies, in described main casing, be provided with anti-backoff teeth wheel drive mechanism and chain wheel driving mechanism, it is characterized in that: described chain assemblies comprises three row chains, in described body shell, be also provided with minor sprocket mechanism, described driven sprocket device comprises hinge wheel mechanism, described minor sprocket mechanism comprises the first housing and is arranged at the fixed pulley in the first housing, described hinge wheel mechanism comprises the second housing and is arranged at the movable pulley in the second housing, the bottom of described main casing is provided with the first chain cylindrical void and the second chain cylindrical void, one end of described chain is arranged at the upper end of the second housing, the other end of described chain is successively around process fixed pulley and movable pulley, again through the first chain cylindrical void, be surrounded on the main shaft of chain wheel driving mechanism, again through the second chain cylindrical void, its high-strength light main body, high-strength alloy steel link chain, have simple and compact for structure, be not easy distortion, use lithe, convenient, safety, applicable to aloft work.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is front view of the present invention.
Fig. 2 is decomposition texture schematic diagram of the present invention.
Reference numeral: main casing--1, chain--2, the first housings--31, fixed pulley--32,
The second housing--41, movable pulley--42, recoil spring--51, retaining ring--52,
Handwheel--61, ratchet handle--62, large ratchet--63, fall along ratchet--64,
Braking ratchet--71, the first contraction springs--72, anti-reverse ratchet--73,
The second contraction spring--74, upper lift ring--81, lower lift ring--82.
The specific embodiment
The following stated is only preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
As shown in Figure 1 to Figure 2, a kind of lever hoist easy to use, comprise body shell 1, ratchet wrench device, driven sprocket device, Carcel board component and be arranged at body shell 1 and driven sprocket device between chain assemblies, in described main casing 1, be provided with anti-backoff teeth wheel drive mechanism and chain wheel driving mechanism, described chain assemblies comprises three row chains 2, in described body shell 1, be also provided with minor sprocket mechanism, described driven sprocket device comprises hinge wheel mechanism, described minor sprocket mechanism comprises the first housing 3 and is arranged at the fixed pulley in the first housing 3, described hinge wheel mechanism comprises the second housing 4 and is arranged at the movable pulley in the second housing 4, the bottom of described main casing 1 is provided with the first chain cylindrical void and the second chain cylindrical void, one end of described chain 2 is arranged at the upper end of the second housing 4, the other end of described chain 2 is successively around process fixed pulley and movable pulley, again through the first chain cylindrical void, be surrounded on the main shaft of chain wheel driving mechanism, again through the second chain cylindrical void.
Its high-strength light body shell 1 of the technical program, high-strength alloy steel link chain 2, has simple and compact for structurely, is not easy distortion, uses lithe, and convenient, safety, applicable to aloft work.
In the technical program, described chain 2 is arranged with recoil spring 51 near this one end of free wrench mechanism, and the end of recoil spring 51 is provided with retaining ring 52.
In the technical program, described ratchet wrench device comprises handwheel 61, ratchet handle 62, the large ratchet 63 being sheathed on successively on main casing 1 inner gear shaft and falls along ratchet 64.
In the technical program, described handwheel 61 assembles by hex screw and ratchet handle 62, and large ratchet 63 is articulated with the end of ratchet handle 62.
In the technical program, described anti-backoff teeth wheel drive mechanism comprises braking ratchet 71, the first contraction spring 72, anti-reverse ratchet 73 and the second contraction spring 74, described braking ratchet 71 and anti-reverse ratchet 73 all with main casing 1 pin joint, one end of described the first contraction spring 72 is fixedly connected with braking ratchet 71, the other end of described the first contraction spring 72 is fixedly connected with main casing 1, and described braking ratchet 71 is located by the first contraction spring 72; One end of described the second contraction spring 74 is fixedly connected with anti-reverse ratchet 73, and the other end of described the second contraction spring 74 is fixedly connected with main casing 1, and described anti-reverse ratchet 73 is located by the second contraction spring 74.
In the technical program, one end of described braking ratchet 71 is spacing by anti-reverse ratchet 73, and the other end of described braking ratchet 71 is by the main shaft in chain wheel driving mechanism and the between cog butt of large ratchet 63.
In the technical program, described Carcel board component comprises upper lift ring 81 and lower lift ring 82, and described upper lift ring 81 is arranged at the upper end of the first housing 3, and described lower lift ring 82 is arranged at the lower end of the second housing 4.
Principle of work of the present invention:
To fall and open along ratchet 64, ratchet handle 62 is in neutral position, braking ratchet 71 is opened simultaneously, and made it depart from the selected place while operation, upper lift ring 81 is fixed on a bit, ratchet handle 62 is contacted with large ratchet 63, then rotate handwheel 61, handwheel 61 drives main casing 1 inner gear shaft to rotate, and gear wheel shaft drives big gear wheel and the head sprocket in main casing 1 to rotate, now, friction disc, anti-lock rubber ring, front friction plate, rear friction lining and friction wheel are entirely in off working state; Suspended object is hung on lower lift ring 82, to brake again ratchet 71 and large ratchet 63 interlocks, adjust again the little ratchet of handle and suitable ratchet 64 interlocks on ratchet handle 62, cw shake ratchet handle 62, fall and rotate with the gear wheel shaft of fixed handle clavula wheel along ratchet 64, transmission big gear wheel again and head sprocket are in interlocking pattern, and front friction plate, rear friction lining are started working, and adjust thus the length of chain; One end of described chain 2 is arranged at the upper end of the second housing 4, the other end of described chain 2 successively around through fixed pulley 32 and movable pulley 42, again through the first chain cylindrical void motion, be surrounded on the main shaft of chain wheel driving mechanism, again through the second chain cylindrical void motion, until suspended object arrives assigned address, in work, forbid opening anti-reverse ratchet 73.
After above-mentioned end-of-job, open anti-reverse ratchet 73, adjust ratchet handle 62 and fall along ratchet 64, rotate counterclockwise ratchet handle 62, friction disc, anti-lock rubber ring, front friction plate, rear friction lining are thrown off with friction wheel and large ratchet 63, rotate again handwheel 61, adjust the length of chain 2, take off suspended object.
Above content is only preferred embodiment of the present invention, for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, and this description should not be construed as limitation of the present invention.
Claims (7)
1. a lever hoist easy to use, comprise body shell (1), ratchet wrench device, driven sprocket device, Carcel board component and be arranged at the chain assemblies between body shell (1) and driven sprocket device, described main casing is provided with anti-backoff teeth wheel drive mechanism and chain wheel driving mechanism in (1), it is characterized in that: described chain assemblies comprises three row chains (2), described body shell is also provided with minor sprocket mechanism in (1), described driven sprocket device comprises hinge wheel mechanism, described minor sprocket mechanism comprises the first housing (31) and is arranged at the fixed pulley (32) in the first housing (31), described hinge wheel mechanism comprises the second housing (41) and is arranged at the movable pulley (42) in the second housing (41), the bottom of described main casing (1) is provided with the first chain cylindrical void and the second chain cylindrical void, one end of described chain (2) is arranged at the upper end of the second housing (4), the other end of described chain (2) is successively around process fixed pulley (32) and movable pulley (42), again through the first chain cylindrical void, be surrounded on the main shaft of chain wheel driving mechanism, again through the second chain cylindrical void.
2. a kind of lever hoist easy to use according to claim 1, it is characterized in that: described chain (2) is arranged with recoil spring (51) near this one end of free wrench mechanism, and the end of recoil spring (51) is provided with retaining ring (52).
3. a kind of lever hoist easy to use according to claim 1, is characterized in that: described ratchet wrench device comprises handwheel (61), ratchet handle (62), the large ratchet (63) being sheathed on successively on main casing (1) inner gear shaft and falls along ratchet (64).
4. a kind of lever hoist easy to use according to claim 3, it is characterized in that: described handwheel (61) is by hex screw and ratchet handle (62) assembling, and large ratchet (63) is articulated with the end of ratchet handle (62).
5. a kind of lever hoist easy to use according to claim 1, it is characterized in that: described anti-backoff teeth wheel drive mechanism comprises braking ratchet (71), the first contraction spring (72), anti-reverse ratchet (73) and the second contraction spring (74), described braking ratchet (71) and anti-reverse ratchet (73) all with main casing (1) pin joint, one end of described the first contraction spring (72) is fixedly connected with braking ratchet (71), the other end of described the first contraction spring (72) is fixedly connected with main casing (1), described braking ratchet (71) is by the first contraction spring (72) location, one end of described the second contraction spring (74) is fixedly connected with anti-reverse ratchet (73), the other end of described the second contraction spring (74) is fixedly connected with main casing (1), and described anti-reverse ratchet (73) is by the second contraction spring (74) location.
6. a kind of lever hoist easy to use according to claim 5, it is characterized in that: one end of described braking ratchet (71) is spacing by anti-reverse ratchet (73), the other end of described braking ratchet (71) is by the main shaft in chain wheel driving mechanism and the between cog butt of large ratchet (63).
7. a kind of lever hoist easy to use according to claim 1, it is characterized in that: described Carcel board component comprises upper lift ring (81) and lower lift ring (82), described upper lift ring (81) is arranged at the upper end of the first housing (3), and described lower lift ring (82) is arranged at the lower end of the second housing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320842002.6U CN203682972U (en) | 2013-11-15 | 2013-12-18 | Convenient-to-use lever pulley block |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320730075 | 2013-11-15 | ||
| CN201320730075.6 | 2013-11-15 | ||
| CN201320842002.6U CN203682972U (en) | 2013-11-15 | 2013-12-18 | Convenient-to-use lever pulley block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203682972U true CN203682972U (en) | 2014-07-02 |
Family
ID=50246357
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310703991.5A Pending CN103641019A (en) | 2013-11-15 | 2013-12-18 | Lever pulley block convenient to use |
| CN201320842002.6U Expired - Lifetime CN203682972U (en) | 2013-11-15 | 2013-12-18 | Convenient-to-use lever pulley block |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310703991.5A Pending CN103641019A (en) | 2013-11-15 | 2013-12-18 | Lever pulley block convenient to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103641019A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103641019A (en) * | 2013-11-15 | 2014-03-19 | 王震 | Lever pulley block convenient to use |
| CN105174100A (en) * | 2015-09-01 | 2015-12-23 | 浙江冠林机械有限公司 | Limiting pull ring of lever block |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107720592B (en) * | 2017-11-24 | 2023-11-07 | 马志明 | Chain block capable of quickly adjusting length |
| CN109132915A (en) * | 2018-11-06 | 2019-01-04 | 上海沃恒机械设备有限公司 | A kind of tension device |
| CN109941876B (en) * | 2019-03-02 | 2020-08-18 | 诸暨易联众创企业管理服务有限公司 | Inner wall protection device for shaking of electric power construction tool |
| CN111170189A (en) * | 2020-01-18 | 2020-05-19 | 浙江手牌起重葫芦有限公司 | Four-row hoisting chain ring chain hoist capable of adapting to high-precision rapid lifting |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0442318Y2 (en) * | 1988-02-29 | 1992-10-06 | ||
| CN200958019Y (en) * | 2006-08-31 | 2007-10-10 | 邱以刚 | Spanner hoist with triple-link chain structure |
| CN200954992Y (en) * | 2006-08-31 | 2007-10-03 | 邱以刚 | Hand-pulling block with four-row chain structure |
| CN200954990Y (en) * | 2006-08-31 | 2007-10-03 | 邱以刚 | Hand hoist with two-row-chain structure |
| CN201605124U (en) * | 2009-12-23 | 2010-10-13 | 上海峰翔电力设备有限公司 | Aluminum alloy lever hoist |
| CN103641019A (en) * | 2013-11-15 | 2014-03-19 | 王震 | Lever pulley block convenient to use |
-
2013
- 2013-12-18 CN CN201310703991.5A patent/CN103641019A/en active Pending
- 2013-12-18 CN CN201320842002.6U patent/CN203682972U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103641019A (en) * | 2013-11-15 | 2014-03-19 | 王震 | Lever pulley block convenient to use |
| CN105174100A (en) * | 2015-09-01 | 2015-12-23 | 浙江冠林机械有限公司 | Limiting pull ring of lever block |
| CN105174100B (en) * | 2015-09-01 | 2017-09-08 | 浙江冠林机械有限公司 | A kind of spacing draw ring of Lever Blocks |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103641019A (en) | 2014-03-19 |
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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: 20140702 |