CN208037904U - Double hook chain block - Google Patents
Double hook chain block Download PDFInfo
- Publication number
- CN208037904U CN208037904U CN201820409609.8U CN201820409609U CN208037904U CN 208037904 U CN208037904 U CN 208037904U CN 201820409609 U CN201820409609 U CN 201820409609U CN 208037904 U CN208037904 U CN 208037904U
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- China
- Prior art keywords
- wallboard
- chain
- driven disc
- brake disc
- long axis
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Abstract
The utility model discloses double hook chain blocks, including right shell body, driven disc, brake disc, pull sprocket wheel, long axis, supporting rod, chain hoist wheel, splined hole gear, right shell body is mounted on right wallboard side and is equipped with driven disc therebetween, brake disc, pull sprocket wheel, spring, locking nut and gasket, ratchet mode connects between driven disc and brake disc, the long axis left end is equipped with the transmission teeth portion that can be meshed with plate gear group, long axis right end passes perpendicularly through splined hole gear, left wallboard, chain hoist wheel, right wallboard, brake disc, driven disc, it is connected with locking nut behind the inside of gasket, several supporting rods are installed between left wallboard and right wallboard, the side of left wallboard is installed with left shell and is equipped with the plate gear group and splined hole gear of intermeshing connection therebetween.There is the utility model hoisting chain to realize that bi-directional braking, when lifting heavy are laborsaving, and positioning accuracy is good, double hook it is big using angular range the advantages that.
Description
【Technical field】
The utility model is related to the technical fields of chain block, the especially technical field of double hook chain block.
【Background technology】
Chain block is a kind of using Manual hoisting machinery simple, easy to carry, it be using ring chain make as
Weight flexible piece, vertical hanging object not only may be implemented, can also realize laterally draw object, be suitble to factory, mine, construction site, harbour,
The places such as warehouse carry out installation machine, lifting cargo, especially can more show its superiority in outdoor and non-transformer operation, often
It is used for the short distance handling of mini-plant and cargo.There are chain hoist wheels due to being one-way brake for some existing chain blocks
Can only one use lower suspension hook to make lifting efficiency bad, need to expend more manpower, chain block braking in lifting process
When due to platen be spiral compression friction plate and compress before have certain sliding be easy so that its positioning progress it is poor the problems such as.
【Invention content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of double hook chain block, can make
Hoisting chain realizes that bi-directional braking, when lifting heavy are laborsaving, and positioning accuracy is good, double hook it is big using angular range.
To achieve the above object, the utility model proposes a kind of double hook chain blocks, including right shell body, driven disc, system
Moving plate pulls sprocket wheel, long axis, supporting rod, chain hoist wheel, splined hole gear, and the right shell body is equipped with chain straight slot, right shell body
It is fixedly mounted on the side of right wallboard and is equipped with driven disc, brake disc therebetween, pulls sprocket wheel, bullet with several arc grooves
Spring, locking nut and gasket, the right end of the driven disc and the left end of brake disc are equipped with the ratchet for the connection that can cooperate, from
Moving plate be equipped with it is several use the fixed bearings of bolt, it is described pull to be equipped on sprocket wheel pull chain, the left end of the long axis is set
Have a transmission teeth portion, the right end of long axis pass perpendicularly through splined hole gear, left wallboard, chain hoist wheel, right wallboard, brake disc, driven disc,
It is connected with locking nut behind the inside of gasket, coordinates between left wallboard and right wallboard and several supports parallel with long axis are installed
Bar is equipped with guide wheel on supporting rod, hook and the hoisting chain with several lower suspension hooks is equipped on the chain hoist wheel, described
The side of left wallboard is installed with left shell, and the plate gear group and flower of intermeshing connection are equipped between left shell and left wallboard
Keyhole gear, plate gear group include plate gear A and plate gear B, and plate gear A and plate gear B are mutually nibbled with the transmission teeth portion of long axis
It closes.
Preferably, the left wallboard and right wallboard are mutually parallel, described pull is equipped between sprocket wheel and brake disc from profit
Plain besring, if brake disc is fixedly mounted on bolt stem on right wallboard.
Preferably, being connected with involute spline between the long axis and driven disc inner wall, the chain hoist wheel and spline
It is connected with spline between the gear inner wall of hole.
Preferably, the arc groove for pulling sprocket wheel can correspond to place driven disc on bearing, the brake disc and from
Ratchet on Moving plate is equipped with pointed nose and plane teeth waist.
Preferably, being equipped with needle bearing between the guide wheel and supporting rod, the quantity of the lower suspension hook is to be hung under 2,2
Angular range when hook uses is between 0 ° -180 °.
The beneficial effects of the utility model：The utility model can be cooperated by will be equipped in brake disc and driven disc
The bi-directional braking of chain hoist wheel may be implemented in the ratchet of connection, the ratchet mode of braking between brake disc and driven disc so that rises
Lower suspension hook can be used in the both ends of heavy chain item；Sprocket wheel will be pulled to be used in storage or open-top driven disc equipped with several arc grooves
Bearing makes brake disc and driven disc detach, and the frictional force that both bearings on arc groove and driven disc generate when contacting is small, just
On-position can be released with smaller power in user completes lifting heavy；Ratchet in brake disc and driven disc is all provided with
There are pointed nose and plane teeth waist so that brake disc and driven disc can only be completed to position when being connected in fixed angle, can be subtracted
Few position error ensures positioning accuracy；Spring will be equipped between gasket and driven disc so that driven disc can realize active homing；It will
Supporting rod is installed between left wallboard and right wallboard, guide wheel is installed on supporting rod so that the lower suspension hook at hoisting chain both ends it
Between it is big using angular range, it can be achieved that larger workpiece or framework overturning；It will pull and be equipped between sprocket wheel and brake disc from profit
Plain besring is equipped with needle bearing between guide wheel and supporting rod, frictional force is relatively small during use；The double hook chain block is torn open
It fills easy to maintain, can easily be accommodated control, work smoothness are high, sound construction, and lifting precision is good.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is the front view of the utility model double hook chain block；
Fig. 2 is the first top plan view of the utility model double hook chain block；
Fig. 3 is the second top plan view of the utility model double hook chain block；
Fig. 4 is that the whole of the utility model double hook chain block splits schematic diagram；
Fig. 5 is that the part of the utility model double hook chain block splits schematic diagram.
In figure：1- right shell bodies, 2- driven discs, 3- brake discs, 4- pull sprocket wheel, 5- long axis, 6- supporting rods, 7- guide wheels, 8-
Chain hoist wheel, 9- splined holes gear, 10- left shells, 21- bearings, 22- springs, 41- pull chain, 81- hoisting chains, 91- pieces
Gear set.
【Specific implementation mode】
Refering to fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the utility model double hook chain block, including right shell body 1, driven disc 2,
Brake disc 3 pulls sprocket wheel 4, long axis 5, supporting rod 6, chain hoist wheel 8, splined hole gear 9, and the right shell body 1 is logical equipped with chain
Slot, right shell body 1 are fixedly mounted on the side of right wallboard and are equipped with driven disc 2, brake disc 3 therebetween, with several arc grooves
Sprocket wheel 4, spring 22, locking nut and gasket are pulled, the right end of the driven disc 2 and the left end of brake disc 3 are equipped with can be mutual
The ratchet of mating connection, driven disc 2 be equipped with it is several use the fixed bearings 21 of bolt, it is described pull to be equipped on sprocket wheel 4 pull
The left end of chain 41, the long axis 5 is equipped with transmission teeth portion, and the right end of long axis 5 passes perpendicularly through splined hole gear 9, left wallboard, lifting
Sprocket wheel 8, right wallboard, brake disc 3, driven disc 2, gasket inside after be connected with locking nut, match between left wallboard and right wallboard
Conjunction is equipped with several supporting rods 6 parallel with long axis 5, and guide wheel 7 is equipped on supporting rod 6, is equipped on the chain hoist wheel 8
Hook and hoisting chain 81 with several lower suspension hooks, the side of the left wallboard is installed with left shell 10, left shell 10
Between left wallboard be equipped with intermeshing connection plate gear group 91 and splined hole gear 9, plate gear group 91 include plate gear A and
Plate gear B, plate gear A and plate gear B are meshed with the transmission teeth portion of long axis 5, and the left wallboard and right wallboard are mutually parallel,
Described pull is equipped with self-lubricating bearing between sprocket wheel 4 and brake disc 3, if brake disc 3 is fixedly mounted on bolt stem on right wallboard,
It is connected with involute spline between 2 inner wall of the long axis 5 and driven disc, between 9 inner wall of the chain hoist wheel 8 and splined hole gear
It is connected with spline, the arc groove for pulling sprocket wheel 4 can correspond to the bearing placed on driven disc 2, the brake disc 3 and driven disc
Ratchet on 2 is equipped with pointed nose and plane teeth waist, and needle bearing, the lower suspension hook are equipped between the guide wheel 7 and supporting rod 6
Quantity be angular range when 2,2 lower suspension hooks use between 0 ° -180 °.
Utility model works process：
Hook during the work time, can be fixed on trolley or crossbeam, pass through by the utility model double hook chain block
Pulling pulls chain 41 so that pulling the rotation of sprocket wheel 4, pulling arc groove in 4 rotation process of sprocket wheel can be to the bearing on driven disc 2
21 one outside thrust of generation so that driven disc 2 is gradually close until resisting gasket completely to gasket, at this time spring 22
In compressive state, driven disc 2, which follows, to be pulled sprocket wheel 4 and rotates together, and the rotation of driven disc 2 drives the rotation of long axis 5, long axis 5
Rotation drive the rotation of plate gear A, plate gear B, the rotation of plate gear A, plate gear B to drive the rotation of splined hole gear 9,
Splined hole gear 9 transmits rotating torque to chain hoist wheel 8 by the spline of endoporus and chain hoist wheel 8 is made to generate rotation, hoisting-chain
Item 81 realizes lifting, is elevated to after certain position to stop drag and pulls chain 41 so that spring 22 starts to reset and drives driven disc
The ratchet on ratchet and brake disc 3 on 2 engages again completes sealed positioning, wherein two lower suspension hooks on hoisting chain 81
Between use when angle do not increase on supporting rod 67 quantity of guide wheel be no more than 32 °, when increase guide wheel 7 quantity after
And the angle maximum under same left wallboard and right wallboard state between double lower suspension hooks is increasing left wallboard and You Qiang up to 90 °
Angle maximum after the thickness of plate between double lower suspension hooks is up to 180 ° (in the case where reducing lifting capacity).
The utility model double hook chain block will be equipped with the spine for the connection that can cooperate in brake disc 3 and driven disc 2
The bi-directional braking of chain hoist wheel 8 may be implemented in tooth, the ratchet mode of braking between brake disc 3 and driven disc 2 so that hoisting chain
Lower suspension hook can be used in 81 both ends；By pull sprocket wheel 4 equipped with several arc grooves be used for store or open-top driven disc 2 on axis
Holding 21 makes brake disc 3 and driven disc 2 detach, the frictional force that both bearings 21 on arc groove and driven disc 2 generate when contacting
It is small, on-position can be released with smaller power convenient for user completes lifting heavy；It will be in brake disc 3 and driven disc 2
Ratchet is equipped with pointed nose and plane teeth waist so that brake disc 3 and driven disc 2 can only be completed when being connected in fixed angle
Positioning can reduce position error and ensure positioning accuracy；Spring 22 will be equipped between gasket and driven disc 2 so that driven disc 2 can be real
Existing active homing；Supporting rod 6 will be installed between left wallboard and right wallboard, guide wheel 7 is installed so that hoisting-chain on supporting rod 6
Big using angular range between the lower suspension hook at 81 both ends of item, it can be achieved that larger workpiece or framework overturning；4 He of sprocket wheel will be pulled
It is equipped with self-lubricating bearing between brake disc 3, needle bearing is equipped between guide wheel 7 and supporting rod 6, frictional force is opposite during use
It is smaller；Double hook chain block dismounting is easy to maintain, can easily be accommodated control, and work smoothness are high, sound construction, lift precision
It is good.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, any new to this practicality
Scheme after type simple transformation belongs to the scope of protection of the utility model.
Claims (5)
1. a kind of double hook chain block, it is characterised in that：Including right shell body (1), driven disc (2), brake disc (3), pull sprocket wheel
(4), long axis (5), supporting rod (6), chain hoist wheel (8), splined hole gear (9), the right shell body (1) are equipped with chain straight slot,
Right shell body (1) is fixedly mounted on the side of right wallboard and is equipped with driven disc (2), brake disc (3) therebetween, with several arc grooves
Pull sprocket wheel (4), spring (22), locking nut and gasket, on the right end of the driven disc (2) and the left end of brake disc (3)
Ratchet equipped with the connection that can cooperate, driven disc (2) is equipped with several use fixed bearings of bolt (21), described to pull sprocket wheel
(4) it is equipped on and pulls chain (41), the left end of the long axis (5) is equipped with transmission teeth portion, and the right end of long axis (5) passes perpendicularly through flower
Keyhole gear (9), left wallboard, chain hoist wheel (8), right wallboard, brake disc (3), driven disc (2), gasket inside after and lock
Nut is connected, and coordinates between left wallboard and right wallboard and is equipped with several supporting rods (6) parallel with long axis (5), supporting rod (6)
On guide wheel (7) is installed, hook and the hoisting chain (81) with several lower suspension hooks, institute are installed on the chain hoist wheel (8)
The side for stating left wallboard is installed with left shell (10), and the piece of intermeshing connection is equipped between left shell (10) and left wallboard
Gear set (91) and splined hole gear (9), plate gear group (91) include plate gear A and plate gear B, and plate gear A and plate gear B are equal
It is meshed with the transmission teeth portion of long axis (5).
2. double hook chain block as described in claim 1, it is characterised in that：The left wallboard and right wallboard are mutually parallel, institute
It states to pull and is equipped with self-lubricating bearing between sprocket wheel (4) and brake disc (3), brake disc (3) with bolt stem if be fixedly mounted on right wall
On plate.
3. double hook chain block as described in claim 1, it is characterised in that：Between the long axis (5) and driven disc (2) inner wall
It is connected with involute spline, is connected with spline between the chain hoist wheel (8) and splined hole gear (9) inner wall.
4. double hook chain block as described in claim 1, it is characterised in that：The arc groove for pulling sprocket wheel (4) can correspond to
The bearing on driven disc (2) is placed, the ratchet on the brake disc (3) and driven disc (2) is equipped with pointed nose and plane teeth waist.
5. double hook chain block as described in claim 1, it is characterised in that：It is equipped between the guide wheel (7) and supporting rod (6)
Needle bearing, the angular range when quantity of the lower suspension hook is 2,2 lower suspension hooks uses is between 0 ° -180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820409609.8U CN208037904U (en) | 2018-03-26 | 2018-03-26 | Double hook chain block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820409609.8U CN208037904U (en) | 2018-03-26 | 2018-03-26 | Double hook chain block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208037904U true CN208037904U (en) | 2018-11-02 |
Family
ID=63949172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820409609.8U Active CN208037904U (en) | 2018-03-26 | 2018-03-26 | Double hook chain block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208037904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108285101A (en) * | 2018-03-26 | 2018-07-17 | 王�琦 | Double hook chain block |
-
2018
- 2018-03-26 CN CN201820409609.8U patent/CN208037904U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| GR01 | Patent grant |