CN204917796U - Lever block's chain guard device - Google Patents
Lever block's chain guard device Download PDFInfo
- Publication number
- CN204917796U CN204917796U CN201520670304.9U CN201520670304U CN204917796U CN 204917796 U CN204917796 U CN 204917796U CN 201520670304 U CN201520670304 U CN 201520670304U CN 204917796 U CN204917796 U CN 204917796U
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- chain
- straight flange
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- arc
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Abstract
(B, ) the utility model relates to hoisting equipment technical field specifically is a lever block's chain guard device which comprises the setting is at lever block's preceding wallboard and the guider that goes on leading to pine end one side of lever block's load chain of being used for between the back wallboard, be used for the 2nd guider who goes on leading to load end one side of lever block's load chain and coordinate the 3rd guider that a guider goes on leading to pine end one side of lever block's load chain, a guider sets up the just coiling that is equipped with between lever block's preceding wallboard and back wallboard have place one side that lies in load chain's pine end of load chain's hoisting chain wheel, the 2nd guider sets up in place one side that lies in load chain's load end of hoisting chain wheel, and the 3rd guider sets up in the front the position that lies in the hoisting chain wheel below between wallboard and the back wallboard, and (b) (b) stability safe in utilization, strong, the smooth degree of bearing force are high, and just guiding effect is good. (B, )
Description
Technical field
the utility model relates to technical field of crane equipment, is specially a kind of chain guide device 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, the chain guide device of a kind of Lever Blocks of 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, guidance quality is poor, guide effect is not good, easily occurs strengthening beat, not only affects operation but also there is potential safety hazard.
Utility model content
an object of the present utility model is to provide that a kind of use safety is stablized, load-carrying capacity is strong, fluency is high and the chain guide device of the Lever Blocks that guide effect is good.
above-mentioned technical purpose of the present utility model is achieved by the following technical programs: a kind of chain guide device of Lever Blocks, comprise the first guide piece led for the Song Duan side of the hoisting chain to Lever Blocks be arranged between the front wallboard of Lever Blocks and rear wall plate, the second guide piece led for the load end side of the hoisting chain to Lever Blocks and the 3rd guide piece coordinating the Song Duan side of the first guide piece to the hoisting chain of Lever Blocks to lead, described first guide piece be arranged on be provided with between the front wallboard of Lever Blocks and rear wall plate and be wound with the chain hoist wheel of described hoisting chain be positioned at hoisting chain pine end side, second guide piece is arranged on the side being positioned at the load end of hoisting chain of chain hoist wheel, 3rd guide piece is arranged on the position be positioned between front wallboard and rear wall plate below chain hoist wheel.
in technique scheme, integrally-built connectivity is better, layout is more reasonable, distribution of force is more superior, 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, service life is extended, and guidance quality is better, guide effect is better, when load operation, hoisting chain pine end each chain link with chain hoist wheel annular groove engage operate in can produce inside and outside beat, each chain link will be had influence on operate if this beat is excessive with engaging of sprocket wheel annular groove, when the hoisting chain pine outside beat of end, the first guide piece can control accordingly, during inside beat, the 3rd guide piece can control accordingly, and the second guide piece is arranged should be compacter and coordinate chain hoist wheel to carry out the guiding operation without nutation type to the load end of hoisting chain at any time, this structure is positioned between the wallboard of front and back, do not expose, compact, good concealment, also comparatively attractive in appearance.
as to preferably of the present utility model, first guide piece comprises rotatable track adjusting wheel, formed between described track adjusting wheel and chain hoist wheel and for the guiding clearance of hoisting chain process, the peripheral part of described track adjusting wheel can offer passing through and the annular direction recess that it is led by the sidepiece outside chain hoist wheel for hoisting chain.Optimize structure further, make structural strength higher, distribution of force is optimized more, load-carrying capacity is stronger, run safety and stability more, be also not easy to cause damage to itself and load, run more smooth, guidance quality is good, guide effect is better, adopts the guiding operation of track adjusting wheel roller, can also reduce resistance, further minimizing damage, increases the service life.
as to preferably of the present utility model, in annular direction recess, be greater than 3/1 to four/5ths of the link length of hoisting chain for the upper-lower height in the region of hoisting chain process is poor.Optimize structure further, make structural strength higher, distribution of force is optimized more, and load-carrying capacity is stronger, runs safety and stability more, and be also not easy to cause damage to itself and load, run more smooth, guidance quality is good, and guide effect is better.
as to preferably of the present utility model, second guide piece comprises orienting lug, between described orienting lug and chain hoist wheel, formation can for the guiding clearance of hoisting chain process, and described orienting lug is provided with passing through by the sidepiece outside chain hoist wheel and leading to it and the direction recess up and down offered along above-below direction for hoisting chain by hoisting chain side.Optimize structure further, make structural strength higher, distribution of force is optimized more, and load-carrying capacity is stronger, runs safety and stability more, and be also not easy to cause damage to itself and load, run more smooth, guidance quality is good, and guide effect is better.
as to preferably of the present utility model, in upper and lower direction recess, be greater than 4/5ths of the link length of hoisting chain for the upper-lower height in the region of hoisting chain process is poor.Optimize structure further, make structural strength higher, distribution of force is optimized more, and load-carrying capacity is stronger, run safety and stability more, also be not easy to cause damage to itself and load, run more smooth, guidance quality is good, guide effect is better, certainly, further enhance the guide effect of the second guide piece to hoisting chain load end, structure is more effectively compact.
as to preferably of the present utility model, 3rd guide piece comprises the deflector apron led to the sidepiece being wound on chain hoist wheel side of hoisting chain, the two ends of described deflector apron are semicircle shape and middle part is isosceles trapezoid shape, in the two ends of the semicircle shape of described deflector apron, wherein the radius of one end is greater than the radius of the other end and the radius at these two ends is equal with short base with the base of the length of the middle part in isosceles trapezoid shape respectively, and the direction of the large one end of the radius of described deflector apron to little one end of radius arranges along oblique upper and points to hoisting chain.Optimize structure further, make structural strength higher, distribution of force is optimized more, and load-carrying capacity is stronger, runs safety and stability more, and be also not easy to cause damage to itself and load, run more smooth, guidance quality is good, and guide effect is better.
as to preferably of the present utility model, front wallboard is identical with the exterior contour of rear wall plate and include the peripheral minor arc shape edge all with the hook of the close Lever Blocks of 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, first guide piece is arranged on the second position on the lower, right straight flange portion, second guide piece is arranged on the position of the first left arc edge, 3rd guide piece is arranged on the position of the second left 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, and be also not easy to cause damage to itself and load, run more smooth, guidance quality is good, and guide effect is better.
the beneficial effects of the utility model: integrally-built connectivity is better, layout is more reasonable, and distribution of force is more superior, run more stable, be convenient to the carrying out of the load lift work of efficient stable, load-carrying capacity is stronger, and safety is higher, also be more not easy impaired, service life is extended, and, run fluency higher, guidance quality is better, and guide effect is better.
Accompanying drawing explanation
fig. 1 is the perspective view of the fractionation in the chain hoist wheel region of the utility model embodiment;
cut-away illustration when Fig. 2 is facing of the chain hoist wheel region of the utility model embodiment;
perspective view when Fig. 3 is being assembled on Lever Blocks of the utility model embodiment.
in figure: 1, front wallboard, 2, rear wall plate, 3, chain hoist wheel, 12, hook, 31, hoisting chain, 101, minor arc shape edge, the 102, first left arc edge, the 103, first right arc edge, 104, the second left arc edge, 105, the second right arc edge, the 106, first left straight flange portion, the 107, first right straight flange portion, 108, the second left straight flange portion, 109, the second right straight flange portion, 100, straight flange portion, the end, 18, orienting lug, 71, track adjusting wheel, 710, annular direction recess, 720, up and down direction recess, 73, deflector apron.
Detailed description of the invention
following specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; 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 utility model.
embodiment, as Fig. 1, 2, shown in 3, a kind of chain guide device of Lever Blocks, comprise the first guide piece led for the Song Duan side of the hoisting chain 31 to Lever Blocks be arranged between the front wallboard 1 of Lever Blocks and rear wall plate 2, the second guide piece led for the load end side of the hoisting chain 31 to Lever Blocks and the 3rd guide piece coordinating the Song Duan side of the first guide piece to the hoisting chain 31 of Lever Blocks to lead, described first guide piece be arranged on be provided with between the front wallboard 1 of Lever Blocks and rear wall plate 2 and be wound with the chain hoist wheel 3 of described hoisting chain 31 be positioned at hoisting chain 31 pine end side, second guide piece is arranged on the side being positioned at the load end of hoisting chain 31 of chain hoist wheel 3, 3rd guide piece is arranged on the position be positioned between front wallboard 1 and rear wall plate 2 below chain hoist wheel 3.
first guide piece comprises rotatable track adjusting wheel 71, formed between described track adjusting wheel 71 and chain hoist wheel 3 and for the guiding clearance of hoisting chain 31 process, the peripheral part of described track adjusting wheel 71 can offer passing through and the annular direction recess 710 that it is led by the sidepiece outside chain hoist wheel 3 for hoisting chain 31.Upper-lower height difference for the region of hoisting chain 31 process in annular direction recess 710 is greater than 3/1 to four/5ths of the link length of hoisting chain 31.
second guide piece comprises orienting lug 18, between described orienting lug 18 and chain hoist wheel 3, formation can for the guiding clearance of hoisting chain 31 process, and described orienting lug 18 is provided with passing through by the sidepiece outside chain hoist wheel 3 and leading to it and the direction recess up and down 720 offered along above-below direction for hoisting chain 31 by hoisting chain 31 side.Upper-lower height difference for the region of hoisting chain 31 process in upper and lower direction recess 720 is greater than 4/5ths of the link length of hoisting chain 31.
3rd guide piece comprises the deflector apron 73 led to the sidepiece being wound on chain hoist wheel 3 side of hoisting chain 31, the two ends of described deflector apron 73 are semicircle shape and middle part is isosceles trapezoid shape, in the two ends of the semicircle shape of described deflector apron 73, wherein the radius of one end is greater than the radius of the other end and the radius at these two ends is equal with short base with the base of the length of the middle part in isosceles trapezoid shape respectively, and the direction of the large one end of the radius of described deflector apron 73 to little one end of radius arranges along oblique upper and points to hoisting chain 31.
front wallboard 1 is identical with the exterior contour of rear wall plate 2 and include the peripheral minor arc shape edge 101 all with the hook 12 of the close Lever Blocks of 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, first guide piece is arranged on the second position on the lower, right straight flange portion 109, second guide piece is arranged on the position of the first left arc edge 102,3rd guide piece is arranged on the position of the second left arc edge 104.
Claims (7)
1. the chain guide device of a Lever Blocks, it is characterized in that: comprise the first guide piece led for the Song Duan side of the hoisting chain (31) to Lever Blocks between front wallboard (1) and rear wall plate (2) being arranged on Lever Blocks, the second guide piece led for the load end side of the hoisting chain (31) to Lever Blocks and the 3rd guide piece coordinating the Song Duan side of the first guide piece to the hoisting chain (31) of Lever Blocks to lead, described first guide piece be arranged on be provided with between the front wallboard (1) of Lever Blocks and rear wall plate (2) and be wound with the chain hoist wheel (3) of described hoisting chain (31) be positioned at hoisting chain (31) pine end side, second guide piece is arranged on the side being positioned at the load end of hoisting chain (31) of chain hoist wheel (3), 3rd guide piece is arranged on the position being positioned at chain hoist wheel (3) below between front wallboard (1) and rear wall plate (2).
2. the chain guide device of a kind of Lever Blocks according to claim 1, it is characterized in that: the first guide piece comprises rotatable track adjusting wheel (71), form the guiding clearance that can supply hoisting chain (31) process between described track adjusting wheel (71) and chain hoist wheel (3), the sidepiece by chain hoist wheel (3) the outside peripheral part of described track adjusting wheel (71) offered for hoisting chain (31) passes through and the annular direction recess (710) led to it.
3. the chain guide device of a kind of Lever Blocks according to claim 2, is characterized in that: the upper-lower height difference in the region for hoisting chain (31) process in annular direction recess (710) is greater than 3/1 to four/5ths of the link length of hoisting chain (31).
4. the chain guide device of a kind of Lever Blocks according to claim 1, it is characterized in that: the second guide piece comprises orienting lug (18), form the guiding clearance that can supply hoisting chain (31) process between described orienting lug (18) and chain hoist wheel (3), the sidepiece by chain hoist wheel (3) outside that described orienting lug (18) is provided with for hoisting chain (31) by hoisting chain (31) side passes through and leads to it and the direction recess up and down (720) offered along above-below direction.
5. the chain guide device of a kind of Lever Blocks according to claim 4, is characterized in that: the upper-lower height difference up and down for the region of hoisting chain (31) process in direction recess (720) is greater than 4/5ths of the link length of hoisting chain (31).
6. the chain guide device of a kind of Lever Blocks according to claim 1, it is characterized in that: the 3rd guide piece comprises the deflector apron (73) led to the sidepiece being wound on chain hoist wheel (3) side of hoisting chain (31), the two ends of described deflector apron (73) are semicircle shape and middle part is isosceles trapezoid shape, in the two ends of the semicircle shape of described deflector apron (73), wherein the radius of one end is greater than the radius of the other end and the radius at these two ends is equal with short base with the base of the length of the middle part in isosceles trapezoid shape respectively, the direction of the large one end of the radius of described deflector apron (73) to little one end of radius arranges along oblique upper and points to hoisting chain (31).
7. the chain guide device of a kind of Lever Blocks according to claim 1, it is characterized in that: front wallboard (1) is identical with the exterior contour of rear wall plate (2) and include the peripheral minor arc shape edge (101) all with the hook (12) of the close Lever Blocks of 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, first guide piece is arranged on the second right straight flange portion (109) position on the lower, second guide piece is arranged on the position of the first left arc edge (102), 3rd guide piece is arranged on the position of the second left arc edge (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520670304.9U CN204917796U (en) | 2015-09-01 | 2015-09-01 | Lever block's chain guard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520670304.9U CN204917796U (en) | 2015-09-01 | 2015-09-01 | Lever block's chain guard device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204917796U true CN204917796U (en) | 2015-12-30 |
Family
ID=54966944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520670304.9U Expired - Fee Related CN204917796U (en) | 2015-09-01 | 2015-09-01 | Lever block's chain guard device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204917796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174099A (en) * | 2015-09-01 | 2015-12-23 | 浙江冠林机械有限公司 | Guide chain device of lever block |
-
2015
- 2015-09-01 CN CN201520670304.9U patent/CN204917796U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174099A (en) * | 2015-09-01 | 2015-12-23 | 浙江冠林机械有限公司 | Guide chain device of lever block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20170901 |
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| CF01 | Termination of patent right due to non-payment of annual fee |