CN205892599U - Lever block - Google Patents
Lever block Download PDFInfo
- Publication number
- CN205892599U CN205892599U CN201620537888.7U CN201620537888U CN205892599U CN 205892599 U CN205892599 U CN 205892599U CN 201620537888 U CN201620537888 U CN 201620537888U CN 205892599 U CN205892599 U CN 205892599U
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- CN
- China
- Prior art keywords
- chain
- limit block
- stopper
- lever blocks
- wallboard
- 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.)
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Abstract
The utility model relates to a hoisting equipment technical field specifically is a lever block, be equipped with hoisting chain wheel between the relative preceding wallboard that sets up in interval and back wallboard around including, preceding wallboard and back wallboard, the last major axis of connecting of hoisting chain wheel is connected with clutch on, and clutch is equipped with wrench device outward, is equipped with the couple between preceding wallboard and the back wallboard, the last coiling load chain of hoisting chain wheel, and load chain one end is connected with the lifting hook, and the other end is connected with the tail and encircles stop device, and the tail encircles stop device and includes the stopper left side stopper and right stopper are equipped with the confined spacing groove on, left side stopper is articulated with right stopper, and the other end of left stopper passes through the joint structural connection with the other end of right stopper. The utility model discloses can adjust to spacing position by the quick travel chain, avoid taking place the chain jamming phenomenon, simple structure, convenient operation, and safe and reliable, can with the stopper firmly the joint prevent that the stopper breaks away from and loses limiting displacement on the chain.
Description
Technical field
The utility model is related to technical field of crane equipment, specially a kind of Lever Blocks.
Background technology
Loop chain turnbuckle is to pass through handle drives chain by manpower, to drive the lifting gear of load-engaging device motion.Its knot
Structure is compact, easy to carry, and easily operation is it is adaptable to the lifting in outlying district and field, dragging and draw operation, and lifted and drag draw away from
From unrestricted, can be by selected chain length depending on.Generally the tail end in chain arranges tail ring limits device, according to weight
The operating position to adjust tail ring limits device for the position.
For example: a kind of tail ring limits device described in the Chinese utility model patent of Application No. 200720109131.9,
The limited block block center of tail ring limits device be chain via, the end of the side of block be provided with ejector pin and optional screw-in or
Exit chain via., the disadvantage is that, this tail ring limits device is inconvenient when adjusting restraining position, chain is easily stuck in chain for it
Bar via.
Utility model content
A purpose of the present utility model is to provide a kind of Lever Blocks, has the characteristics that easy to adjust, security performance is high.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of Lever Blocks, bag
Include front wallboard and the rear wall plate that time interval is oppositely arranged, between described front wallboard and rear wall plate, be provided with chain hoist wheel, described
The major axis stretching out in front-rear direction is connected on heavy chain wheel, the position of front side that described major axis is located at front wallboard is connected with clutch
Device, described arrangement of clutch is externally provided with wrench device, is provided with the top positioned at chain hoist wheel between described front wallboard and rear wall plate
Hook, described chain hoist wheel is wound with the sagging hoisting chain of down either side to the left and right, the described hoisting chain left and right sides
In one end of wherein side be connected with suspension hook as load end, and one end of opposite side is connected with the spacing dress of tail ring as loose end
Put, described tail ring stopping means includes limited block, described limited block is split-type structural, including left limit block and right limit block,
Described limited block is provided with the stopper slot forming closing after described left limit block and described right limit merged block；Described left limit
One end of position block is hinged with one end of described right limit block, the other end of described left limit block and the other end of described right limit block
Connected by interface arrangment.
Preferably, described arrangement of clutch include being arranged on described major axis brake seat, ratchet, brake spring, system
Dynamic nut and handwheel, described major axis passes through front wallboard, and described brake seat is located at the front side of front wallboard, and the both sides of described ratchet set
Friction plate, the termination of the rear and front end of described brake spring be separately fixed on described brake seat and stop-nut on, described
Stop-nut periphery position is arranged in the wrench device of Lever Blocks, described handwheel be arranged on wrench device outside and with institute
State stop-nut to connect.
Preferably, being hinged with Carcel plate on described suspension hook, one end of described Carcel plate is resisted against on described suspension hook, described
Described Carcel plate is located on suspension hook against going out to be provided with draw-in groove.
Preferably, the width of described stopper slot is more than the thickness of described chain link, the length of described stopper slot is more than or waits
Outer width in chain link.
Preferably, described stopper slot is provided with limiting section, described limiting section is used for stoping chain from passing perpendicularly through stopper slot.
Preferably, described interface arrangment includes closing piece, one end of described closing piece is hinged on the end of described left limit block,
The other end of described closing piece is provided with Access Division, and the end of described right limit block is provided with the clamping area matching with described Access Division,
Described Access Division is connected together with described clamping area.
Preferably, the lockhole in described clamping area is run through on described right limit block, in described lockhole, it is provided with elastic component, described
The end of elastic component is provided with card bead, and described Access Division is provided with the locked groove engaging with described card bead.
Preferably, described left limit block is provided with card column, described right limit block is provided with for card column described in grafting
Jack.
Preferably, being less than the inner width of chain link between described card column.
The beneficial effects of the utility model: the utility model can quickly move chain and be adjusted to restraining position, it is to avoid send out
Raw card chain phenomenon, structure is simple and convenient to operate；And safe and reliable, limited block firmly can be connected on chain, prevent
Limited block departs from and loses position-limiting action.
Brief description
Fig. 1 is the perspective view of the utility model embodiment；
Fig. 2 is the exploded view of the utility model embodiment；
Fig. 3 is the elevational cross-sectional view of the utility model embodiment；
Fig. 4 is the structural representation of the suspension hook in the utility model embodiment；
Fig. 5 is structural representation during the spacing merged block in the utility model embodiment；
Fig. 6 is structural representation when limited block in the utility model embodiment is opened；
In figure: 1- front wallboard, 2- rear wall plate, 3- chain hoist wheel, 31- hoisting chain, 32- guide chain block, 4- major axis, 5- clutch
Device, 51- brake seat, 52- friction plate, 53- ratchet, 54- brake spring, 55- stop-nut, 56- handwheel, 6- spanner fills
Put, 7- links up with, 8- suspension hook, 81- Carcel plate, 82- draw-in groove, 9- tail ring stopping means, 91- left limit block, 911- card column, 92- is right
Limited block, 921- elastic component, 922- card bead, 93- closing piece, 931- Access Division, 932- locked groove, 94- stopper slot, 95- limiting section.
Specific embodiment
Specific examples below is only to explanation of the present utility model, and it is not to restriction of the present utility model, this
Skilled person can make to the present embodiment after reading this specification as needed does not have the modification of creative contribution,
But as long as all being protected by Patent Law in right of the present utility model.
Embodiment, as shown in Figure 1, Figure 2 and Figure 3, a kind of Lever Blocks, the front wallboard 1 being oppositely arranged including time interval
With rear wall plate 2, the guide chain block 32 being provided with chain hoist wheel 3 between described front wallboard 1 and rear wall plate 2 and being located at chain hoist wheel 3 side.
The major axis 4 stretching out in front-rear direction is connected on described chain hoist wheel 3, described major axis 4 is located on the position of front side of front wallboard 1
It is connected with arrangement of clutch 5, described arrangement of clutch 5 is externally provided with wrench device 6, is provided with and is located between described front wallboard 1 and rear wall plate 2
The hook 7 of the top of chain hoist wheel 3, described chain hoist wheel 3 is wound with the sagging hoisting chain of down either side to the left and right 31, institute
The one end stating wherein side in hoisting chain 31 left and right sides is connected with suspension hook 8 as load end, and one end conduct of opposite side
Song Duan is connected with tail ring stopping means 9.
Brake seat 51 that described arrangement of clutch 5 includes being arranged on described major axis 4, ratchet 53, brake spring 54, braking
Nut 55 and handwheel 56, described major axis 4 passes through front wallboard 1, and described brake seat 51 is located at the front side of front wallboard 1, described ratchet
53 both sides set friction plate 52, the termination of the rear and front end of described brake spring 54 be separately fixed on described brake seat 51 and
On stop-nut 55.Described stop-nut 55 periphery position is arranged in the wrench device 6 of Lever Blocks, and described handwheel 56 is arranged
It is connected in the outside of wrench device 6 and with described stop-nut 55.
As shown in figure 4, being hinged with Carcel plate 81 on described suspension hook 8, one end of described Carcel plate 81 is resisted against described suspension hook 8
On, described suspension hook 8 is located at described Carcel plate 81 against going out to be provided with draw-in groove 82.
As shown in Figure 5 and Figure 6, described tail ring stopping means 9 includes limited block, and described limited block is split-type structural, bag
Include left limit block 91 and right limit block 92, described limited block is provided with and is closed by described left limit block 91 and described right limit block 92
And forming the stopper slot 94 closed afterwards, the width of described stopper slot 94 is more than the thickness of described chain link, the length of described stopper slot
Outer width more than or equal to chain link.Described stopper slot 94 is provided with limiting section 95, and described limiting section 95 is the groove of depression, for hindering
Only chain passes perpendicularly through stopper slot 94.One end of described left limit block 91 is hinged with one end of described right limit block 92, a described left side
The other end of limited block 91 is connected by interface arrangment with the other end of described right limit block 92.Described interface arrangment includes closing piece
93, one end of described closing piece 93 is hinged on the end of described left limit block 91, and the other end of described closing piece 93 is provided with Access Division
931, the end of described right limit block 92 is provided with the clamping area matching with described Access Division 931, described Access Division 931 with described
Clamping area is connected together.The lockhole in described clamping area is run through on described right limit block 92, in described lockhole, is provided with elastic component 921,
The end of described elastic component 921 is provided with card bead 922, and described Access Division 931 is provided with the locked groove 932 engaging with described card bead 922.Institute
State left limit block 91 and be provided with card column 911, described right limit block 92 is provided with the jack for card column described in grafting 911, described
Block the inner width being less than chain link between 911 posts.
Claims (9)
1. a kind of Lever Blocks, the front wallboard being oppositely arranged including time interval (1) and rear wall plate (2), described front wallboard (1) and
It is provided with chain hoist wheel (3) between rear wall plate (2), the major axis (4) that the upper connection of described chain hoist wheel (3) is stretched out in front-rear direction, institute
State major axis (4) and above on the position of front side of front wallboard (1), be connected with arrangement of clutch (5), described arrangement of clutch (5) is externally provided with
Wrench device (6), is provided with the hook (7) positioned at the top of chain hoist wheel (3), institute between described front wallboard (1) and rear wall plate (2)
State and the sagging hoisting chain of down either side to the left and right (31) is wound with chain hoist wheel (3), two about described hoisting chain (31)
In side, one end of wherein side is connected with suspension hook (8) as load end, and one end of opposite side is connected with tail ring limit as loose end
Position device (9), described tail ring stopping means (9) include limited block it is characterised in that: described limited block is split-type structural, bag
Include left limit block (91) and right limit block (92), described limited block is provided with by described left limit block (91) and described right limit
Block (92) forms the stopper slot (94) of closing after merging；One end of described left limit block (91) and the one of described right limit block (92)
End is hinged, and the other end of described left limit block (91) is connected by interface arrangment with the other end of described right limit block (92).
2. a kind of Lever Blocks according to claim 1 it is characterised in that: described arrangement of clutch (5) includes being arranged on institute
State brake seat (51) on major axis, ratchet (53), brake spring (54), stop-nut (55) and handwheel (56), described major axis
(4) pass through front wallboard (1), described brake seat (51) is located at the front side of front wallboard (1), and the both sides of described ratchet (53) set friction
Piece (52), the termination of the rear and front end of described brake spring (54) is separately fixed on described brake seat (51) and stop-nut
(55) on, described stop-nut (55) periphery position is arranged in the wrench device (6) of Lever Blocks, described handwheel (56) setting
It is connected in the outside of wrench device (6) and with described stop-nut (55).
3. a kind of Lever Blocks according to claim 2 it is characterised in that: be hinged with Carcel plate on described suspension hook (8)
(81), one end of described Carcel plate (81) is resisted against on described suspension hook (8), and described suspension hook (8) is upper to be located at described Carcel plate (81)
Against going out to be provided with draw-in groove (82).
4. a kind of Lever Blocks according to claim 3 it is characterised in that: the width of described stopper slot (94) be more than chain link
Thickness, the length of described stopper slot (94) is more than or equal to the outer width of chain link.
5. a kind of Lever Blocks according to claim 4 it is characterised in that: described stopper slot (94) is provided with limiting section
(95), described limiting section (95) is used for stoping chain from passing perpendicularly through stopper slot (94).
6. a kind of Lever Blocks according to claim 5 it is characterised in that: described interface arrangment includes closing piece, described lock
One end of block (93) is hinged on the end of described left limit block (91), and the other end of described closing piece (93) is provided with Access Division (931),
The end of described right limit block (92) is provided with the clamping area matching with described Access Division (931), described Access Division (931) and institute
State clamping area to be connected together.
7. a kind of Lever Blocks according to claim 6 it is characterised in that: run through described card on described right limit block (92)
Connect the lockhole in area, be provided with elastic component (921) in described lockhole, the end of described elastic component (921) is provided with card bead (922), described
Access Division (931) is provided with the locked groove (932) engaging with described card bead (922).
8. a kind of Lever Blocks according to claim 7 it is characterised in that: described left limit block (91) is provided with card column
(911), described right limit block (92) is provided with the jack for card column described in grafting (911).
9. a kind of Lever Blocks according to claim 8 it is characterised in that: between described card column (911) be less than chain link
Inner width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620537888.7U CN205892599U (en) | 2016-06-06 | 2016-06-06 | Lever block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620537888.7U CN205892599U (en) | 2016-06-06 | 2016-06-06 | Lever block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205892599U true CN205892599U (en) | 2017-01-18 |
Family
ID=57767082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620537888.7U Active CN205892599U (en) | 2016-06-06 | 2016-06-06 | Lever block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205892599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255411A (en) * | 2019-06-26 | 2019-09-20 | 夏孝清 | A kind of chain type electric hoist |
-
2016
- 2016-06-06 CN CN201620537888.7U patent/CN205892599U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255411A (en) * | 2019-06-26 | 2019-09-20 | 夏孝清 | A kind of chain type electric hoist |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |