CN205892607U - Lever block that can go up and down fast during no -load - Google Patents
Lever block that can go up and down fast during no -load Download PDFInfo
- Publication number
- CN205892607U CN205892607U CN201620861776.7U CN201620861776U CN205892607U CN 205892607 U CN205892607 U CN 205892607U CN 201620861776 U CN201620861776 U CN 201620861776U CN 205892607 U CN205892607 U CN 205892607U
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- CN
- China
- Prior art keywords
- assembly
- major axis
- tooth
- chain hoist
- hoist wheel
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a lever block that can go up and down fast during no -load, including relative left wallboard subassembly and the right wallboard subassembly that sets up in interval, the hook component that hangs oneself has been erect between left side wallboard subassembly and the right wallboard subassembly, hoisting chain wheel has rotationally been erect between left side wallboard subassembly and the right wallboard subassembly, wear to be equipped with six tooth major axis in hoisting chain wheel's the shaft hole, hoisting chain wheel is close to the counter bore has been seted up to the one end of the tooth portion of six tooth major axis, the internal diameter of counter bore is greater than the tooth portion external diameter of six tooth major axis, the degree of depth of counter bore is greater than the tooth minister degree of six tooth major axis. The utility model discloses a drawing the hand wheel, with six tooth major axis, the one section distance of outwards moving, making in tooth portion falls into into the counter bore, the tooth portion and the hoisting chain wheel of six such tooth major axis break away from the transmission relation, and hoisting chain wheel can the free rotation, and load chain just can realize quick lift through the pulling, and is efficient, labour saving and time saving.
Description
Technical field
This utility model be related to during a kind of Lever Blocks field, more particularly, to no-load can fast lifting Lever Blocks.
Background technology
Lever Blocks is a using simple, easy to carry Manual hoisting instrument.Lever Blocks can carry out being lifted,
The operations such as traction, decline, calibration.Lifting capacity is usually no more than 50t, is widely used in shipbuilding, electric power, transport, building, ore deposit
The equipment of the industries such as mountain, post and telecommunications is installed, article lifting, parts tractive etc..
Through retrieval, disclose a kind of Lever Blocks [patent No.: zl 200920114164.1 in Chinese patent literature；Award
Power notification number: cn 201343409y].This Lever Blocks, is mainly to include with lower component: major axis, splined hole gear, hangs oneself
Hook assembly, left and right wall assembly, guide wheel, gear carrier bar, ratchet, brake, ratchet, wearing piece, cam, shell, hoisting chain, under hang
Hook assembly, only lock ring assembly, locking nut, sprocket shaft composition it is characterised in that: hook assembly of hanging oneself passes through hook beam and left and right wall group
Part is fixed, and left and right wall assembly is fixed with shell by support bar, and lower hook assembly is fixed on one end of hoisting chain,
The side setting guide wheel of sprocket shaft, setting gear carrier bar on wall assembly about the bottom of sprocket shaft, the right-hand member of major axis is sequentially arranged with spine
Wheel, ratchet right-hand member is connected with handle, taper knob in the outside commutating ratchet, its left and right two ends respectively with handwheel and ratchet case
It is flexibly connected, brake is contained in inside spanner, the brake seat of brake is installed wearing piece, ratchet case is arranged on frame
Right side plan, chain guides, sprocket shaft are arranged on the centre of frame, and form rising of a secondary rotation with arrestment mechanism and commutation ratchet
Heavy-duty machine structure.
Although the calabash rapid operation disclosed in this patent, this calabash adopts load brake, can not be quick when unloaded
Elevating chain, inefficiency；When preventing from using pawl-and-gearing reversing, the angle of ratchet rollback is larger, and lifting speed is relatively
Slowly, there is potential safety hazard, therefore, it is necessary for designing a kind of no-load Lever Blocks.
Utility model content
The purpose of this utility model be provide a kind of no-load when can fast lifting Lever Blocks, solve existing Lever Blocks
During no-load, the speed of service is identical with speed of service during heavy duty, does not have the problem of special loose running mode.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that
During a kind of no-load of this utility model can fast lifting Lever Blocks, including the left wallboard assembly that is oppositely arranged of interval
And right wallboard assembly；Hook assembly of hanging oneself is set up between described left wallboard assembly and right wallboard assembly；Described left wallboard assembly and
Rotationally setting up between right wallboard assembly has chain hoist wheel；Down either side to the left and right is wound with described chain hoist wheel sagging
Hoisting chain, in the described hoisting chain left and right sides, one end of wherein side is connected with lower hook housing assembly as load end, and another
One end of side is connected with last-of-chain ring as loose end；It is equipped with six tooth major axis in the axis hole of described chain hoist wheel；Described hoisting-chain
Wheel offers counterbore near one end of the teeth portion of described six tooth major axis；The internal diameter of described counterbore is more than the teeth portion of described six tooth major axis
External diameter；The depth of described counterbore is more than the teeth portion length of described six tooth major axis；
Described right wallboard assembly is provided with Side fascia away from described left wallboard assembly side, described Side fascia and described right wall
Rotationally setting up between board component has two piece tooth minor axis component, and two described tooth minor axis component are long with respect to described six teeth
The centrage of axle is symmetrical arranged；Described tooth minor axis component one end is engaged with the teeth portion of described six tooth major axis, the other end and setting
Splined hole gear engagement on described chain hoist wheel；Described splined hole gear is set in one end of described chain hoist wheel, passes through
Spline couples；
Start from the inside to the outside sheathed brake assemblies and wrench assembly successively from described left wallboard assembly on described six tooth major axis；
It is provided with support wall panel assembly outside described brake assemblies and wrench assembly；The threaded portion of described six tooth major axis passes described support
Wall panel assembly, and handwheel is fixed with by nut；It is provided with described left wallboard assembly and separates closing piece, the described closing piece that separates includes
Connecting portion, handss pull portion and press keeping section；Described connecting portion carries manhole, is connected to described left wallboard assembly by self-locking nut
On；Torque spring is arranged with described self-locking nut, one of termination of described torque spring is fixed, another termination acts on
Pull in portion in described handss, make described press keeping section by described support wall panel assembly pressure holding to the position contacting with described left wallboard assembly
Put.
Further, rotationally setting up between described left wallboard assembly and right wallboard assembly has two guide wheels；Two institutes
State guide wheel and be located at the described chain hoist wheel left and right sides respectively, and the centrage centrosymmetry with regard to described chain hoist wheel.
Further, described brake assemblies include setting gradually from the inside to the outside brake seat, the first friction plate, spine
Wheel, the second friction plate and brake disc.
Further, described six tooth major axis are multidiameter, are more than and institute with the shaft section diameter of described chain hoist wheel cooperation
State the shaft section diameter of brake seat cooperation, step is stuck in described brake seat one end.
Further, the axis hole of described chain hoist wheel and described six tooth major axis coordinate for gap.
Compared with prior art, Advantageous Effects of the present utility model are as follows:
This utility model, by opening up counterbore in chain hoist wheel near teeth portion one end of six tooth major axis, supports wall panel assembly bag
The brake assemblies wrapping and wrench assembly are detached with left wallboard assembly, and the other end of six tooth major axis is fixed with handss by nut
Wheel, by drawing handwheel, six tooth major axis is moved out a segment distance, so that teeth portion is trapped in counterbore, simultaneously brake assemblies, spanner
Assembly and support wall panel assembly are also separated a distance with left wallboard assembly, and the teeth portion of such six tooth major axis is departed from chain hoist wheel
Drive connection, chain hoist wheel can be freely rotatable, just can realize fast lifting, efficiency high by pulling hoisting chain, save time
Laborsaving.
Brief description
The utility model is described in further detail for explanation below in conjunction with the accompanying drawings.
Fig. 1 be this utility model no-load when can fast lifting Lever Blocks structural representation；
Fig. 2 removes the front view after Side fascia for this utility model；
Fig. 3 is for a-a in Fig. 2 to sectional view；
Description of reference numerals: 1, left wallboard assembly；2nd, right wallboard assembly；3rd, hang oneself hook assembly；4th, chain hoist wheel；401st, sink
Hole；5th, hoisting chain；6th, lower hook housing assembly；7th, last-of-chain ring；8th, six tooth major axis；801st, teeth portion；802nd, threaded portion；9th, Side fascia；
10th, piece tooth minor axis component；11st, splined hole gear；12nd, brake assemblies；1201st, brake；1202nd, the first friction plate；1203rd, spine
Wheel；1204th, the second friction plate；1205th, brake disc；13rd, wrench assembly；14th, support wall panel assembly；15th, handwheel；16th, separate and lock
Block；1601st, connecting portion；1602nd, handss pull portion；1603rd, press keeping section；17th, self-locking nut；18th, torque spring；19th, guide wheel.
Specific embodiment
As Figure 1-3, during a kind of no-load can fast lifting Lever Blocks, including the left wallboard group that is oppositely arranged of interval
Part 1 and right wallboard assembly 2；Set up, between described left wallboard assembly 1 and right wallboard assembly 2, hook assembly 3 of hanging oneself, be used for being hung in height
The fixing point at place carrys out lifting heavy goods；Rotationally setting up between described left wallboard assembly 1 and right wallboard assembly 2 has chain hoist wheel 4.
The sagging hoisting chain of down either side to the left and right 5 is wound with described chain hoist wheel 4, in described hoisting chain 5 left and right sides its
One end of middle side is connected with lower hook housing assembly 6 as load end, with the rotation of chain hoist wheel, drives lower hook housing assembly to hook
Weight moves upwards；And one end of opposite side is connected with last-of-chain ring 7 as loose end, abjection when last-of-chain ring prevents hoisting chain from falling after rise
Chain hoist wheel.It is equipped with six tooth major axis 8, six tooth major axis have teeth portion for one end, the other end has in the axis hole of described chain hoist wheel 4
There is the major axis of threaded portion.One end of the teeth portion 801 near described six tooth major axis 8 for the described chain hoist wheel 4 offers counterbore 401；Institute
The internal diameter stating counterbore 401 is more than teeth portion 801 external diameter of described six tooth major axis 8；It is long that the depth of described counterbore 401 is more than described six teeth
Teeth portion 801 length of axle 8, six tooth major axis can pull out, and so that teeth portion is entered in the middle of counterbore, not with piece tooth minor axis component
One end is meshed.
Described right wallboard assembly 2 is provided with Side fascia 9 away from described left wallboard assembly 1 side and clasps right wallboard assembly,
And be bolted.Rotationally setting up between described Side fascia 9 and described right wallboard assembly 2 has two piece tooth minor axis component
10, piece tooth minor axis component is the short axle being erected between Side fascia and right wallboard assembly, is respectively fixed at two ends with two gears；Two
Individual described tooth minor axis component 10 is symmetrical arranged with respect to the centrage of described six tooth major axis 8；Described tooth minor axis component 10 1
End is engaged with the teeth portion 801 of described six tooth major axis 8, and the other end is nibbled with the splined hole gear 11 being arranged on described chain hoist wheel 4
Close；Described splined hole gear 11 is set in one end of described chain hoist wheel 4, and this end side face of chain hoist wheel is provided with and spline
The spline that hole gear matches, splined hole geared sleeve is realized spline connection at this end of chain hoist wheel；During motion, wrench assembly
The rotation of rotational movement six tooth major axis, be driven by teeth portion and piece tooth minor axis component, drive splined hole pinion rotation, then
Drive chain hoist wheel to rotate, drive hoisting chain lifting weight.
Start from the inside to the outside sheathed brake assemblies 12 and spanner successively from described left wallboard assembly 1 on described six tooth major axis 8
Assembly 13；It is provided with support wall panel assembly 14 outside described brake assemblies 12 and wrench assembly 13, will by support wall panel assembly
Brake assemblies and wrench assembly wrap, and play the effect of protection internal structure.The threaded portion 802 of described six tooth major axis 8 passes
Described support wall panel assembly 14, and handwheel 15 is fixed with by nut, outwards pulled out by hand-held handwheel, drive six tooth major axis, system
Dynamic assembly, wrench assembly move out together with supporting wall panel assembly, so that the teeth portion of six tooth major axis is entered in counterbore, not with piece
Tooth minor axis component engages, and makes piece tooth minor axis component, splined hole gear and chain hoist wheel not be subject to control for brake, can be by pulling
Heavy chain bar realizes no-load fast lifting.It is provided with described left wallboard assembly 1 and separates closing piece 16, the described closing piece 16 that separates is included even
Socket part 1601, handss pull portion 1602 and press keeping section 1603；Described connecting portion 1601 carries manhole, is connected by self-locking nut 17
On described left wallboard assembly 1；Torque spring 18 is arranged with described self-locking nut 17, described torque spring 18 one of
Termination is fixed, and another termination acts on described handss and pulls in portion 1602, pulls one, portion revolving force to handss, so that press keeping section is rotated to and props up
On buttress board component, by described support wall panel assembly 14 pressure holding to the position contacting with described left wallboard assembly 1, need handwheel
When extracting together with six tooth major axis, brake assemblies, wrench assembly and support wall panel assembly, just with handss, the handss portion of pulling is dialled round about
Dynamic, so that press keeping section is decontroled and support wall panel assembly.
Specifically, rotationally setting up between described left wallboard assembly 1 and right wallboard assembly 2 has two guide wheels 19；Two
Described guide wheel 19 is located at described chain hoist wheel 4 left and right sides respectively, and the centrage centrosymmetry with regard to described chain hoist wheel 4；
The present embodiment is that two guide wheels shift to install up and down, and hoisting chain is wound on chain hoist wheel, prevents from.
During in order to six tooth major axis being extracted, can exactly by brake assemblies, wrench assembly and support wall panel assembly in the lump
Take out of, described six tooth major axis 8 are multidiameter, because described brake assemblies 12 include the brake seat that sets gradually from the inside to the outside
1201st, the first friction plate 1202, ratchet 1203, the second friction plate 1204 and brake disc 1205, with described lifting on six tooth major axis
The shaft section diameter of sprocket wheel 4 cooperation is more than the shaft section diameter with the cooperation of described brake seat 1201, and step is stuck in described brake seat
1201 one end, extract and are pulled outwardly it is ensured that at the step of six tooth major axis blocking brake seat during handwheel, drive braking group simultaneously
Part, wrench assembly move out together with supporting wall panel assembly.
The axis hole of described chain hoist wheel 4 is coordinated for gap with described six tooth major axis 8, makes the axle of six tooth major axis and chain hoist wheel
Hole does not rub, and can extract.
Embodiment described above is only optimal way of the present utility model to be described, not to of the present utility model
Scope is defined, and on the premise of without departing from this utility model design spirit, those of ordinary skill in the art are new to this practicality
Various modifications and improvement that the technical scheme of type is made, all should fall into the protection domain of this utility model claims determination
Interior.
Claims (5)
1. during a kind of no-load can fast lifting Lever Blocks it is characterised in that: include the left wallboard assembly that is oppositely arranged of interval
And right wallboard assembly (2) (1)；Hook assembly (3) of hanging oneself is set up between described left wallboard assembly (1) and right wallboard assembly (2)；Institute
State rotationally to set up between left wallboard assembly (1) and right wallboard assembly (2) and have chain hoist wheel (4)；On described chain hoist wheel (4)
It is wound with the sagging hoisting chain of down either side to the left and right (5), in described hoisting chain (5) left and right sides one end of wherein side
It is connected with lower hook housing assembly (6) as load end, and one end of opposite side is connected with last-of-chain ring (7) as loose end；Described lifting
It is equipped with six tooth major axis (8) in the axis hole of sprocket wheel (4)；Described chain hoist wheel (4) is near the teeth portion of described six tooth major axis (8)
(801) one end offers counterbore (401)；The internal diameter of described counterbore (401) is more than the teeth portion (801) of described six tooth major axis (8)
External diameter；The depth of described counterbore (401) is more than teeth portion (801) length of described six tooth major axis (8)；
Described right wallboard assembly (2) is provided with Side fascia (9) away from described left wallboard assembly (1) side, described Side fascia (9) with
Rotationally setting up between described right wallboard assembly (2) has two pieces tooth minor axis component (10), two described tooth minor axis component
(10) it is symmetrical arranged with respect to the centrage of described six tooth major axis (8)；Described tooth minor axis component (10) one end and described six teeth
Teeth portion (801) engagement of major axis (8), the other end is engaged with the splined hole gear (11) being arranged on described chain hoist wheel (4)；Institute
State one end that splined hole gear (11) is set in described chain hoist wheel (4), coupled by spline；
Start from the inside to the outside sheathed brake assemblies (12) and pulling successively from described left wallboard assembly (1) on described six tooth major axis (8)
Handss assembly (13)；It is provided with support wall panel assembly (14) outside described brake assemblies (12) and wrench assembly (13)；Described six teeth
The threaded portion (802) of major axis (8) passes described support wall panel assembly (14), and is fixed with handwheel (15) by nut；A described left side
It is provided with wall panel assembly (1) and separates closing piece (16), described separation closing piece (16) includes connecting portion (1601), handss pull portion (1602)
With press keeping section (1603)；Described connecting portion (1601) carries manhole, is connected to described left wallboard by self-locking nut (17)
On assembly (1)；Torque spring (18), one of termination of described torque spring (18) are arranged with described self-locking nut (17)
Fixing, another termination acts on described handss and pulls in portion (1602), makes described press keeping section (1603) by described support wall panel assembly
(14) pressure holding is to the position contacting with described left wallboard assembly (1).
2. during no-load according to claim 1 can fast lifting Lever Blocks it is characterised in that: described left wallboard assembly
(1) rotationally setting up and right wallboard assembly (2) between has two guide wheels (19)；Two described guide wheels (19) are respectively positioned at described
Chain hoist wheel (4) left and right sides, and the centrage centrosymmetry with regard to described chain hoist wheel (4).
3. during no-load according to claim 1 can fast lifting Lever Blocks it is characterised in that: described brake assemblies
(12) include set gradually from the inside to the outside brake seat (1201), the first friction plate (1202), ratchet (1203), second friction
Piece (1204) and brake disc (1205).
4. during no-load according to claim 3 can fast lifting Lever Blocks it is characterised in that: described six tooth major axis
(8) it is multidiameter, the shaft section diameter coordinating with described chain hoist wheel (4) is more than the shaft part coordinating with described brake seat (1201)
Diameter, step is stuck in described brake seat (1201) one end.
5. during no-load according to claim 1 can fast lifting Lever Blocks it is characterised in that: described chain hoist wheel
(4) axis hole is coordinated for gap with described six tooth major axis (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620861776.7U CN205892607U (en) | 2016-08-11 | 2016-08-11 | Lever block that can go up and down fast during no -load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620861776.7U CN205892607U (en) | 2016-08-11 | 2016-08-11 | Lever block that can go up and down fast during no -load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205892607U true CN205892607U (en) | 2017-01-18 |
Family
ID=57780461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620861776.7U Withdrawn - After Issue CN205892607U (en) | 2016-08-11 | 2016-08-11 | Lever block that can go up and down fast during no -load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205892607U (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 |
| CN108285101A (en) * | 2018-03-26 | 2018-07-17 | 王�琦 | Double hook chain block |
-
2016
- 2016-08-11 CN CN201620861776.7U patent/CN205892607U/en not_active Withdrawn - After Issue
Cited By (4)
| 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 |
| CN108285101A (en) * | 2018-03-26 | 2018-07-17 | 王�琦 | Double hook chain block |
| CN108285101B (en) * | 2018-03-26 | 2023-11-17 | 浙江契卡拉起重机械有限公司 | Double-hook chain block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170118 Effective date of abandoning: 20180928 |
|
| AV01 | Patent right actively abandoned |