CN105035982A - Lever block - Google Patents
Lever block Download PDFInfo
- Publication number
- CN105035982A CN105035982A CN201510549396.XA CN201510549396A CN105035982A CN 105035982 A CN105035982 A CN 105035982A CN 201510549396 A CN201510549396 A CN 201510549396A CN 105035982 A CN105035982 A CN 105035982A
- Authority
- CN
- China
- Prior art keywords
- straight flange
- arc
- edge
- arc edge
- wall plate
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/04—Driving gear manually operated
-
- 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
- B66D2700/0116—Manually or spring operated winches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention relates to the technical field of lifting equipment, in particular to a lever block. The lever block comprises a front wall plate and a back wall plate oppositely arranged at intervals in a front-back manner, wherein a lifting chain wheel is arranged between the front wall plate and the back wall plate, and is connected with a long shaft extending in a front-back direction; the part, positioned at the front side of the front wall plate, of the long shaft is connected with a clutching device; a spanner device connected with the front wall plate and fitting the clutching device is arranged outside the clutching device; an upper support rod is connected above the lifting chain wheel between the front wall plate and the back wall plate, and is connected with a hanging hook; the lifting chain wheel is wound with a lifting chain dropping down to the lower sides of the left and right sides; one end, at one side of the left and right sides, of the lifting chain serves as a load end connected with a hanging hook, and one end at the other side serves as a loose end connected with a limiting pull ring; and the lever block is safe and stable in use, strong in loading capacity and not liable to be damaged.
Description
Technical field
the present invention relates to technical field of crane equipment, be specially a kind of Lever Blocks.
Background technology
lever Blocks pulls spanner by manpower manual, and by lever principle, thus obtain the straight line tractive force matched with load, thus drive weight to realize moving up and down.Because Lever Blocks volume is little, lightweight, therefore carry and operate all very convenient, be applicable to the weight of less tonnage, existing Lever Blocks, due to the relation of this body structure, distribution of force is optimized not enough, load-carrying capacity is strong not enough, stable not enough also smooth and easy not enough during operation, operational process easily easily causes damage to load or Lever Blocks itself, and service life is long not enough.
Summary of the invention
an object of the present invention is to provide that a kind of use safety is stablized, load-carrying capacity by force and not easily damaged Lever Blocks.
above-mentioned technical purpose of the present invention is achieved by the following technical programs: a kind of Lever Blocks, comprise front wallboard and rear wall plate that time interval is oppositely arranged, chain hoist wheel is provided with between described front wallboard and rear wall plate, described chain hoist wheel is connected with the major axis stretched out in front-rear direction, the position described major axis being positioned at the front side of front wallboard is connected with arrangement of clutch, be provided with outside described arrangement of clutch and be connected and the wrench device coordinated with described arrangement of clutch with front wallboard, the top being positioned at chain hoist wheel between described front wallboard and rear wall plate is connected with upper support bar, described upper support bar is connected with hook, described chain hoist wheel is wound with the hoisting chain that down either side is sagging to the left and right, one end that in the described hoisting chain left and right sides, wherein one end of side is connected with suspension hook and opposite side as load end is connected with spacing draw ring as pine end.
in technique scheme, integrally-built connectivity is better, distribution of force is more superior, structural strength is higher, run more stable, be convenient to the carrying out of the load lift work of efficient stable, load-carrying capacity is stronger, safety is higher, also be more not easy impaired, arrangement of clutch and wrench device all can adopt structure of the prior art, by the cooperation of arrangement of clutch and wrench device, the running of chain hoist wheel is driven finally to realize the lift work of hoisting chain, spacing draw ring not only can carry out the position adjustments of hoisting chain when zero load, hoisting chain can be prevented to be pulled through head simultaneously, and by playing good position-limiting action with the effect of front and back wallboard.
as to preferably of the present invention, suspension hook is positioned at the left side of chain hoist wheel, spacing draw ring is positioned at the right side of sprocket wheel, front wallboard is identical with the exterior contour of rear wall plate and include the peripheral minor arc shape edge near hook all with arc-shaped side, be positioned at the first left arc edge of described minor arc shape edge lower left, be positioned at the bottom-right first right arc edge of described minor arc shape edge, be positioned at the bottom-right second left arc edge of described first left arc edge and be positioned at the bottom-right second right arc edge of described first right arc edge, described second right arc-shaped side portion is positioned at the upper right side of described second left arc edge, to be connected by the peripheral first left straight flange portion with straight flange between minor arc shape edge and the first left arc edge and straight flange two of the first periphery, left straight flange portion is connected with the arc-shaped side of minor arc shape edge with the first left arc edge periphery respectively, to be connected by the peripheral first right straight flange portion with straight flange between minor arc shape edge and the first right arc edge and straight flange two of the first periphery, right straight flange portion is connected with the arc-shaped side of minor arc shape edge with the first right arc edge periphery respectively, be connected by the peripheral second left straight flange portion with straight flange between first left arc edge and the second left arc edge and straight flange two of the second periphery, left straight flange portion respectively arc edge left with first be connected with the arc-shaped side of the second left arc edge periphery, be connected by the peripheral second right straight flange portion with straight flange between first right arc edge and the second right arc edge and straight flange two of the second periphery, right straight flange portion respectively arc edge right with first be connected with the arc-shaped side of the second right arc edge periphery, be connected by the peripheral straight flange portion, the end with straight flange between second left arc edge and the second right arc edge and straight flange two of periphery, straight flange portion, the end respectively arc edge left with second be connected with the arc-shaped side of the second right arc edge periphery.Optimize structure further, make structural strength higher, distribution of force is optimized more, and load-carrying capacity is stronger, runs safety and stability more, is also not easy to cause damage to itself and load.
as to preferably of the present invention, the radian of the arc-shaped side of the first left arc edge, the first right arc edge and the second left arc edge is all equal with radius and be all less than radian and the radius of the arc-shaped side of minor arc shape edge, and the radian of the arc-shaped side of described minor arc shape edge and radius are all less than radian and the radius of the arc-shaped side of the second right arc edge.Optimize structure further, make structural strength higher, distribution of force is optimized more, and load-carrying capacity is stronger, runs safety and stability more, is also not easy to cause damage to itself and load.
as to preferably of the present invention, the length of straight flange in the length of straight flange in straight flange portion, the end, the length of straight flange in the second right straight flange portion, the length of straight flange in the first left straight flange portion, the length of straight flange in the first right straight flange portion and the second left straight flange portion becomes large successively gradually.Optimize structure further, make structural strength higher, distribution of force is optimized more, and load-carrying capacity is stronger, runs safety and stability more, is also not easy to cause damage to itself and load.
as to preferably of the present invention, the region being positioned at the first left arc edge, the first right arc edge and the second left arc edge between front wallboard and rear wall plate is respectively equipped with the latching device along fore-and-aft direction locking, and described latching device comprises bolt and nut.Optimize structure further, make structural strength higher, distribution of force is optimized more, and load-carrying capacity is stronger, runs safety and stability more, is also not easy to cause damage to itself and load.
as to preferably of the present invention, the periphery that chain hoist wheel rearward exceeds rear wall plate is provided with spline gear, the region that described rear wall plate is positioned at rear is provided with two minor axises with keyway coordinated with described spline gear, and what described minor axis and major axis were positioned at chain hoist wheel rearward exceeds spline gear one end all with driven gear and mutual meshing connection.Make the running of chain hoist wheel more smooth, stable to ensure that the dynamic load of hoisting chain band more effectively carries out lift work.
as to preferably of the present invention, the rear side of rear wall plate is connected with the rear outer cover extended to the second right arc edge by minor arc shape edge.One is play protective action, and two is optimize structure further, and make structural strength higher, distribution of force is optimized more, and load-carrying capacity is stronger, runs safety and stability more, is also not easy to cause damage to itself and load.
as to preferably of the present invention, between front wallboard and the first left arc edge of rear wall plate, be provided with the orienting lug for hoisting chain guiding.Actv. guiding is carried out to hoisting chain, prevents larger beat and cause interruption even safety problem etc. of running.
as to preferably of the present invention, orienting lug is arranged on the bolt of the latching device that the region that is positioned at the first left arc edge between front wallboard and rear wall plate is provided with.Optimize structure further, make structural strength higher, distribution of force is optimized more, and load-carrying capacity is stronger, runs safety and stability more, is also not easy to cause damage to itself and load.
as to preferably of the present invention, bolt is arranged with the reinforcement protecting jacket be directly socketed for orienting lug.Improve the degree of reliability of assembling, optimize structure further, make structural strength higher, distribution of force is optimized more, and load-carrying capacity is stronger, runs safety and stability more, is also not easy to cause damage to itself and load.
beneficial effect of the present invention: integrally-built connectivity is better, and distribution of force is more superior, and structural strength is higher, run more stable, be convenient to the carrying out of the load lift work of efficient stable, load-carrying capacity is stronger, safety is higher, is also more not easy impaired, longer service life.
Accompanying drawing explanation
fig. 1 is the perspective view of the embodiment of the present invention;
fig. 2 is the front elevation of the base portion of the embodiment of the present invention;
fig. 3 is the back view of the base portion of the embodiment of the present invention;
fig. 4 is the cut-away illustration of the base portion of embodiment of the present invention when facing;
fig. 5 is the perspective view of the fractionation in the chain hoist wheel region of the embodiment of the present invention;
cut-away illustration when Fig. 6 is the side-looking of the base portion of the embodiment of the present invention;
fig. 7 is the perspective view after the arrangement of clutch of the embodiment of the present invention splits.
in figure: 1, front wallboard, 2, rear wall plate, 3, chain hoist wheel, 4, major axis, 5, arrangement of clutch, 6, wrench device, 11, upper support bar, 12, hook, 31, hoisting chain, 32, suspension hook, 33, spacing draw ring, 101, minor arc shape edge, 102, first left arc edge, 103, first right arc edge, 104, second left arc edge, 105, second right arc edge, 106, first left straight flange portion, 107, first right straight flange portion, 108, second left straight flange portion, 109, second right straight flange portion, 100, straight flange portion, the end, 131, bolt, 132, nut, 133, strengthen protecting jacket, 14, spline gear, 15, minor axis, 16, driven gear, 17, rear outer cover, 18, orienting lug.
Detailed description of the invention
following specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this specification sheets, as long as but be all subject to the protection of patent law in right of the present invention.
embodiment, as Fig. 1, 2, 3, 4, 5, 6, shown in 7, a kind of Lever Blocks, comprise front wallboard 1 and rear wall plate 2 that time interval is oppositely arranged, chain hoist wheel 3 is provided with between described front wallboard 1 and rear wall plate 2, described chain hoist wheel 3 is connected with the major axis 4 stretched out in front-rear direction, the position described major axis 4 being positioned at the front side of front wallboard 1 is connected with arrangement of clutch 5, be provided with outside described arrangement of clutch 5 and be connected and the wrench device 6 coordinated with described arrangement of clutch 5 with front wallboard 1, the top being positioned at chain hoist wheel 3 between described front wallboard 1 and rear wall plate 2 is connected with upper support bar 11, described upper support bar 11 is connected with hook 12, described chain hoist wheel 3 is wound with the sagging hoisting chain of down either side to the left and right 31, one end that in described hoisting chain 31 left and right sides, wherein one end of side is connected with suspension hook 32 and opposite side as load end is connected with spacing draw ring 33 as pine end.
suspension hook 32 is positioned at the left side of chain hoist wheel 3, spacing draw ring 33 is positioned at the right side of sprocket wheel, front wallboard 1 is identical with the exterior contour of rear wall plate 2 and include the peripheral minor arc shape edge 101 near hook 12 all with arc-shaped side, be positioned at the first left arc edge 102 of described minor arc shape edge 101 lower left, be positioned at the bottom-right first right arc edge 103 of described minor arc shape edge 101, be positioned at the bottom-right second left arc edge 104 of described first left arc edge 102 and be positioned at the bottom-right second right arc edge 105 of described first right arc edge 103, described second right arc edge 105 is positioned at the upper right side of described second left arc edge 104, to be connected by the peripheral first left straight flange portion 106 with straight flange between minor arc shape edge 101 and the first left arc edge 102 and straight flange two of the first periphery, left straight flange portion 106 is connected with the arc-shaped side of minor arc shape edge 101 with the first left arc edge 102 periphery respectively, to be connected by the peripheral first right straight flange portion 107 with straight flange between minor arc shape edge 101 and the first right arc edge 103 and straight flange two of the first periphery, right straight flange portion 107 is connected with the arc-shaped side of minor arc shape edge 101 with the first right arc edge 103 periphery respectively, be connected by the peripheral second left straight flange portion 108 with straight flange between first left arc edge 102 and the second left arc edge 104 and straight flange two of the second periphery, left straight flange portion 108 respectively arc edge 102 left with first be connected with the arc-shaped side of the second left arc edge 104 periphery, be connected by the peripheral second right straight flange portion 109 with straight flange between first right arc edge 103 and the second right arc edge 105 and straight flange two of the second periphery, right straight flange portion 109 respectively arc edge 103 right with first be connected with the arc-shaped side of the second right arc edge 105 periphery, be connected by the peripheral straight flange portion, the end 100 with straight flange between second left arc edge 104 and the second right arc edge 105 and straight flange two of periphery, straight flange portion 100, the end respectively arc edge 104 left with second be connected with the arc-shaped side of the second right arc edge 105 periphery.
the radian of the arc-shaped side of the first right arc edge 103 of left arc edge 102, first and the second left arc edge 104 is all equal with radius and be all less than radian and the radius of the arc-shaped side of minor arc shape edge 101, and the radian of the arc-shaped side of described minor arc shape edge 101 and radius are all less than radian and the radius of the arc-shaped side of the second right arc edge 105.The length of straight flange in the length of straight flange in straight flange portion, the end 100, the length of straight flange in the second right straight flange portion 109, the length of straight flange in the first left straight flange portion 106, the length of straight flange in the first right straight flange portion 107 and the second left straight flange portion 108 becomes large successively gradually.
the region being positioned at the first right arc edge 103 of left arc edge 102, first and the second left arc edge 104 between front wallboard 1 and rear wall plate 2 is respectively equipped with the latching device of locking along fore-and-aft direction, and described latching device comprises bolt 131 and nut 132.The periphery that chain hoist wheel 3 rearward exceeds rear wall plate 2 is provided with spline gear 14, the region that described rear wall plate 2 is positioned at rear is provided with two minor axises 15 with keyway coordinated with described spline gear 14, and what described minor axis 15 and major axis 4 were positioned at chain hoist wheel 3 rearward exceeds spline gear 14 one end all with driven gear 16 and mutual meshing connection.
the rear side of rear wall plate 2 is connected with the rear outer cover 17 extended to the second right arc edge 105 by minor arc shape edge 101.The orienting lug 18 led for hoisting chain 31 is provided with between front wallboard 1 and the first left arc edge 102 of rear wall plate 2.Orienting lug 18 is arranged on the bolt 131 of the latching device that the region that is positioned at the first left arc edge 102 between front wallboard 1 and rear wall plate 2 is provided with.Bolt 131 is arranged with the reinforcement protecting jacket 133 be directly socketed for orienting lug 18.
Claims (10)
1. a Lever Blocks, it is characterized in that: comprise front wallboard (1) and rear wall plate (2) that time interval is oppositely arranged, chain hoist wheel (3) is provided with between described front wallboard (1) and rear wall plate (2), described chain hoist wheel (3) is connected with the major axis (4) stretched out in front-rear direction, the position described major axis (4) being positioned at the front side of front wallboard (1) is connected with arrangement of clutch (5), be provided with outside described arrangement of clutch (5) and be connected and the wrench device (6) coordinated with described arrangement of clutch (5) with front wallboard (1), the top being positioned at chain hoist wheel (3) between described front wallboard (1) and rear wall plate (2) is connected with upper support bar (11), described upper support bar (11) is connected with hook (12), described chain hoist wheel (3) is wound with the sagging hoisting chain of down either side to the left and right (31), in described hoisting chain (31) left and right sides, wherein one end of side is connected with suspension hook (32) and one end of opposite side as load end and is connected with spacing draw ring (33) as pine end.
2. a kind of Lever Blocks according to claim 1, it is characterized in that: suspension hook (32) is positioned at the left side of chain hoist wheel (3), spacing draw ring (33) is positioned at the right side of sprocket wheel, front wallboard (1) is identical with the exterior contour of rear wall plate (2) and include the peripheral minor arc shape edge (101) near hook (12) all with arc-shaped side, be positioned at the first left arc edge (102) of described minor arc shape edge (101) lower left, be positioned at the bottom-right first right arc edge (103) of described minor arc shape edge (101), be positioned at the bottom-right second left arc edge (104) of described first left arc edge (102) and be positioned at the bottom-right second right arc edge (105) of described first right arc edge (103), described second right arc edge (105) is positioned at the upper right side of described second left arc edge (104), to be connected by the peripheral first left straight flange portion (106) with straight flange between minor arc shape edge (101) and the first left arc edge (102) and the peripheral straight flange two of the first left straight flange portion (106) is connected with the arc-shaped side of minor arc shape edge (101) and the first left arc edge (102) periphery respectively, to be connected by the peripheral first right straight flange portion (107) with straight flange between minor arc shape edge (101) and the first right arc edge (103) and the peripheral straight flange two of the first right straight flange portion (107) is connected with the arc-shaped side of minor arc shape edge (101) and the first right arc edge (103) periphery respectively, to be connected by the peripheral second left straight flange portion (108) with straight flange between first left arc edge (102) and the second left arc edge (104) and the arc-shaped side of the peripheral straight flange two of the second left straight flange portion (108) arc edge (102) left with first and the second left arc edge (104) periphery is respectively connected, to be connected by the peripheral second right straight flange portion (109) with straight flange between first right arc edge (103) and the second right arc edge (105) and the arc-shaped side of the peripheral straight flange two of the second right straight flange portion (109) arc edge (103) right with first and the second right arc edge (105) periphery is respectively connected, to be connected by the peripheral straight flange portion, the end (100) with straight flange between second left arc edge (104) and the second right arc edge (105) and the arc-shaped side of peripheral straight flange two, straight flange portion, the end (100) arc edge (104) left with second and the second right arc edge (105) periphery is respectively connected.
3. a kind of Lever Blocks according to claim 2, it is characterized in that: the radian of the arc-shaped side of the first left arc edge (102), the first right arc edge (103) and the second left arc edge (104) is all equal with radius and be all less than radian and the radius of the arc-shaped side of minor arc shape edge (101), the radian of the arc-shaped side of described minor arc shape edge (101) and radius are all less than radian and the radius of the arc-shaped side of the second right arc edge (105).
4. a kind of Lever Blocks according to claim 3, is characterized in that: the length of straight flange of the length of straight flange in straight flange portion, the end (100), the length of straight flange of the second right straight flange portion (109), the length of straight flange of the first left straight flange portion (106), the length of straight flange of the first right straight flange portion (107) and the second left straight flange portion (108) becomes large successively gradually.
5. a kind of Lever Blocks according to claim 4, it is characterized in that: be positioned at the first left arc edge (102) between front wallboard (1) and rear wall plate (2), the region of the first right arc edge (103) and the second left arc edge (104) is respectively equipped with latching device along fore-and-aft direction locking, described latching device comprises bolt (131) and nut (132).
6. a kind of Lever Blocks according to Claims 2 or 3 or 4 or 5, it is characterized in that: the periphery that chain hoist wheel (3) rearward exceeds rear wall plate (2) is provided with spline gear (14), the region that described rear wall plate (2) is positioned at rear is provided with two minor axises with keyway coordinated with described spline gear (14) (15), and what described minor axis (15) and major axis (4) were positioned at chain hoist wheel (3) rearward exceeds spline gear (14) one end all with driven gear (16) and mutual meshing connection.
7. a kind of Lever Blocks according to claim 6, is characterized in that: the rear side of rear wall plate (2) is connected with the rear outer cover (17) extended to the second right arc edge (105) by minor arc shape edge (101).
8. a kind of Lever Blocks according to Claims 2 or 3 or 4 or 5, is characterized in that: be provided with the orienting lug (18) led for hoisting chain (31) between front wallboard (1) and the first left arc edge (102) of rear wall plate (2).
9. a kind of Lever Blocks according to claim 8, is characterized in that: orienting lug (18) is arranged on the bolt (131) of the latching device that the region that is positioned at the first left arc edge (102) between front wallboard (1) and rear wall plate (2) is provided with.
10. a kind of Lever Blocks according to claim 9, is characterized in that: bolt (131) is arranged with the reinforcement protecting jacket (133) be directly socketed for orienting lug (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510549396.XA CN105035982A (en) | 2015-09-01 | 2015-09-01 | Lever block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510549396.XA CN105035982A (en) | 2015-09-01 | 2015-09-01 | Lever block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105035982A true CN105035982A (en) | 2015-11-11 |
Family
ID=54443036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510549396.XA Pending CN105035982A (en) | 2015-09-01 | 2015-09-01 | Lever block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105035982A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006437A (en) * | 2016-08-11 | 2016-10-12 | 杭州维多利机械有限公司 | Lever hoist capable of quickly ascending and descending in no-load state |
| CN111573542A (en) * | 2020-06-04 | 2020-08-25 | 浙江冠林机械有限公司 | Automatic lubricated anti-sticking chain protection electric block of oiling |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067699U (en) * | 1990-03-18 | 1990-12-19 | 夏元峰 | Automatic variable speed hand pulling hoist |
| CN2212582Y (en) * | 1994-03-22 | 1995-11-15 | 北京起重工具厂 | Loop chain type hand hoist |
| CN2787632Y (en) * | 2005-01-07 | 2006-06-14 | 王建卫 | Chain block |
| CN201209101Y (en) * | 2008-03-07 | 2009-03-18 | 张文忠 | Engaging and disengaging gear for aluminium alloy wire tightener |
| CN201647902U (en) * | 2009-11-06 | 2010-11-24 | 张龙 | Lever hoist lifting hook |
| CN203513161U (en) * | 2013-09-29 | 2014-04-02 | 江苏超联机械有限公司 | Chain block |
| CN104229656A (en) * | 2014-09-12 | 2014-12-24 | 谭晓婧 | Springback handle of lever block |
| CN204917784U (en) * | 2015-09-01 | 2015-12-30 | 浙江冠林机械有限公司 | Lever block |
-
2015
- 2015-09-01 CN CN201510549396.XA patent/CN105035982A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067699U (en) * | 1990-03-18 | 1990-12-19 | 夏元峰 | Automatic variable speed hand pulling hoist |
| CN2212582Y (en) * | 1994-03-22 | 1995-11-15 | 北京起重工具厂 | Loop chain type hand hoist |
| CN2787632Y (en) * | 2005-01-07 | 2006-06-14 | 王建卫 | Chain block |
| CN201209101Y (en) * | 2008-03-07 | 2009-03-18 | 张文忠 | Engaging and disengaging gear for aluminium alloy wire tightener |
| CN201647902U (en) * | 2009-11-06 | 2010-11-24 | 张龙 | Lever hoist lifting hook |
| CN203513161U (en) * | 2013-09-29 | 2014-04-02 | 江苏超联机械有限公司 | Chain block |
| CN104229656A (en) * | 2014-09-12 | 2014-12-24 | 谭晓婧 | Springback handle of lever block |
| CN204917784U (en) * | 2015-09-01 | 2015-12-30 | 浙江冠林机械有限公司 | Lever block |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006437A (en) * | 2016-08-11 | 2016-10-12 | 杭州维多利机械有限公司 | Lever hoist capable of quickly ascending and descending in no-load state |
| CN106006437B (en) * | 2016-08-11 | 2018-09-28 | 杭州维多利机械有限公司 | When a kind of no-load can fast lifting Lever Blocks |
| CN111573542A (en) * | 2020-06-04 | 2020-08-25 | 浙江冠林机械有限公司 | Automatic lubricated anti-sticking chain protection electric block of oiling |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151111 |