CN103466493B - A kind of chain block - Google Patents
A kind of chain block Download PDFInfo
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- CN103466493B CN103466493B CN201310456568.XA CN201310456568A CN103466493B CN 103466493 B CN103466493 B CN 103466493B CN 201310456568 A CN201310456568 A CN 201310456568A CN 103466493 B CN103466493 B CN 103466493B
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- wallboard
- chain
- support bar
- case
- major axis
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Abstract
The invention provides a kind of chain block, belong to field of mechanical technique.It solve existing chain block stability and the technical problem such as reliability is poor.This chain block includes the hoisting chain with chain hoist wheel and pulling sprocket engagement respectively and pulls chain, left wallboard is connected with chain hoist wheel by bearing with right wallboard, chain hoist wheel is connected with major axis, pull sprocket wheel be set on major axis and can rotate relative to major axis, connect between left case and right case and have at least three support bars one, support bar one is located on left wallboard and right wallboard, there is on support bar one a location shaft shoulder one, the two sides of the location shaft shoulder one respectively with the medial surface of left wallboard and right wallboard against；Be additionally provided with at least two support bars two between left wallboard and right wallboard, support bar two have a location shaft shoulder two, the two sides of the location shaft shoulder two respectively with the medial surface of left wallboard and right wallboard against.The present invention has the advantages such as preferable stability and reliability.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of chain block.
Background technology
Chain block makes again chain block, jin not fall, and is that one uses simple, the side of carrying
Just Manual hoisting machinery, also referred to as " ring-chain hoist " or " jack ".It is applicable to small-sized setting
The standby short distance handling with goods, lifting capacity is usually no more than 100T, and chain block passes through
Drop and pull chain, bangle wheel rotates, and friction plate ratchet, brake seat are pressed into one
Common rotation, tooth major axis just rotatable lamella gear, the short axle of tooth and splined hole gear.So,
Device chain hoist wheel on splined hole gear just drives hoisting chain, thus smoothly carries
Rise weight.Use ratchet friction disk type one-way brake, under loads can automatic brake,
Ratchet engages with ratchet under the action of the spring, brake trouble free service.
Chain block is frequently used for the occasion that the environment such as job site are the most severe, due to it
Itself is heavier, and workmen often throws on ground after making to be finished chain block, with ground
Face or other hard object collisions etc., cause the impaired deformation of left and right case of chain block,
Thus to keeping the left and right sidesing wall plate of space of the drive disk assembly such as chain hoist wheel by buckling
Shape, Ka Shisong when causing chain block in use to occur, time weight time the situation such as light,
Chain hoist wheel, major axis or other drive disk assemblies is there will be stuck, it is impossible to operating etc. time serious,
The service life not only making chain block is shorter, it is also possible to construction accident occur.
For improving the safety in utilization of chain block, stability and reliability, and this is proposed
Scheme, be devoted to raising chain block is hit ability.
Summary of the invention
It is an object of the invention to the problems referred to above existed for existing technology, it is provided that a kind of
Chain block, the technical problem to be solved is how to prevent chain block from being hit
Rear deformation, improves stability and the reliability of calabash.
The purpose of the present invention can be realized by following technical proposal: a kind of chain block,
Including left case, right case, left wallboard, right wallboard, chain hoist wheel, pull sprocket wheel and
Major axis, described chain block also include respectively with chain hoist wheel and pull sprocket engagement rise
Heavy chain bar passes through bearing and described hoisting-chain with pulling chain, described left wallboard and right wallboard
Wheel is connected, and described chain hoist wheel and major axis are connected, described in pull sprocket wheel and be set on major axis
And can rotate relative to major axis, it is characterised in that connect between described left case and right case
Being connected at least three support bars one, described support bar one is located on left wallboard and right wallboard,
Having a location shaft shoulder one on described support bar one, the two sides of the described location shaft shoulder one are divided
Not with the medial surface of left wallboard and right wallboard against；Between described left wallboard and right wallboard also
It is provided with at least two support bars two, described support bar two has a location shaft shoulder two, institute
State the two sides of the location shaft shoulder two respectively with the medial surface of left wallboard and right wallboard against.
Chain block also includes hook and lower suspension hook, hook and left wallboard and right wallboard
Being connected, lower suspension hook is connected with one end of hoisting chain, major axis is fixedly provided with and is positioned at hoisting-chain
Wheel and the brake seat pulled between sprocket wheel, brake seat is arranged with can relative brake
The ratchet of device seat left rotation and right rotation, left wallboard is provided with the ratchet engaged with ratchet, ratchet
Two sides be installed with respectively with pull sprocket wheel and brake seat against friction plate one and friction
Sheet two；Hook is hung on the fixtures such as support, the object treating lifting is hung over down and hangs
On hook, pulling and pull chain and make to pull sprocket wheel and rotate, ratchet allows that ratchet rotates, moment
Through pulling sprocket wheel, friction plate one, ratchet, friction plate two, brake seat and major axis,
It is transferred to chain hoist wheel and hoisting chain, thus drives the object on lower suspension hook to rise；Thing
When part declines, reversely pulling and pull chain, now, ratchet is impermissible for ratchet and rotates, and depends on
Frictionally sheet one and friction plate two are respectively and the friction that pulls between sprocket wheel and brake seat
Power, makes object slowly decline；Often there are following feelings in this construction tool of chain block
Condition: the most mixed and disorderly placement, use after thrown fall ground, install and use during with
External object collides, severe storage and the working environment intensity band to chain block
Test, the left wallboard of chain block and right wallboard hit after deform, can make left wallboard and
Bearing between right wallboard and chain hoist wheel is impaired, so that chain block was using
Ka Shisong when occurring in journey, time weight time the situation such as light, there will be time serious chain hoist wheel,
Major axis or other drive disk assemblies are stuck, it is impossible to operating etc., not only make the use of chain block
Life-span is shorter, it is also possible to construction accident occur；In this programme, at left wallboard and You Qiang
Support bar one and support bar two, a pair left case of support bar and right case it is provided with between plate
Be fixed, and on support bar one arrange the location shaft shoulder one can keep left wallboard and
Distance between right wallboard, add position on upper support bar two shaft shoulder two again to left wallboard and
It is supported between right wallboard, to being supported between left wallboard and right wallboard and positioning,
Ensure the intensity between left wallboard and right wallboard, when chain block is hit, do not have
The problems such as left wallboard or right wallboard deformation, extend the service life of chain block, raising
The safety in utilization of chain block, reliability and stability.
In above-mentioned a kind of chain block, the outside of described left wallboard is provided with and left wallboard
Against ratchet case, described support bar one is located on described ratchet case, every institute
State and on support bar one, be all arranged with a support set, the two ends of described support set respectively with ratchet
The lateral surface of case and the medial surface of left case against；The two ends, left and right of described support bar one
The most threaded have locking nut one.Ratchet casing valve jacket is located at and pulls on sprocket wheel, and by spine
Wheel covers, and this ratchet case will pull sprocket wheel and separate with ratchet, to chain block ratchet and
Ratchet is protected, and is arranged with support set on support bar one, increase support bar one with
Left case and the distance pulled between sprocket wheel, play support between left wallboard and left case
Effect with location；Support set can keep the spacing between left wallboard and left case, makes
This chain block use when various angle of inclination do not have more jumping chain (pull
A rear Huantiao of chain is to the position of previous ring), the situation such as card chain (block and pull chain),
Improve stability and reliability.
In above-mentioned a kind of chain block, described right wallboard is provided with two short axles, and two
Being respectively arranged with a plate gear on short axle described in root, the right part of described major axis is provided with necessarily
Position gear, described location gear and two described plate gear engagements.Plate gear and positioning tooth
Take turns the position to major axis to position, keep the centrad of major axis, make each drive disk assembly pass
Dynamic steady, rub little.
In above-mentioned a kind of chain block, the outside of described right wallboard is provided with and right wallboard
Against Side fascia, described support bar two is located on described Side fascia, described support bar
The two ends, left and right of two are the most threaded locking nut two, the inner side of described locking nut two
It is provided with the elastomeric pad being set on support bar two.Side fascia is by plate gear and location gear
Parcel, makes to keep apart between plate gear and location gear and right case, can effectively keep away
Exempt from right case to deform major axis and the impact of plate gear.
In above-mentioned a kind of chain block, described support bar one and support bar two are respectively arranged with three
Root, three described support bars one are distributed in isosceles triangle between left case and right case,
Three described support bars two are distributed between left wallboard and right wallboard in isosceles triangle.?
Strut one and the left wallboard of support bar two even support and right wallboard, improve left wallboard and You Qiang
Bonding strength between plate.
In above-mentioned a kind of chain block, wherein a described support bar two is positioned at lifting
The lower section of sprocket wheel, other two described support bars two lay respectively at the upper left side of chain hoist wheel
And upper right side.
In above-mentioned a kind of chain block, connect between described left wallboard and right wallboard and have
One suspension hook pin, the lower end of described hook has the articulated joint of a round pie, described in hang
Two pieces of framework sheets between left wallboard and right wallboard, described framework it is equipped with on hook pin
Having a recess on sheet, described articulated joint is connected between two recesses.Lower suspension hook with rise
Having similar structure between heavy chain bar, this structure is advantageous in that, articulated joint passes through two
Recess between block framework sheet realizes the connection between suspension hook pin, easy for installation, and
Articulated joint on hook can rotate freely in the chamber that two recesses are formed, and reduces
The external carbuncle that during lifting, hook is subject to.
In above-mentioned a kind of chain block, the middle part of described Side fascia and described major axis
End is hinged, the middle part of described right case be provided with several stretch out right case medial surface and with
The projection that the lateral surface of described Side fascia leans, described projection is circumferentially distributed, and described
The axis of major axis enclose with described projection in the centrage of circle overlap, the right side of described major axis
Gap it is provided with between end and Side fascia.These projections are by Side fascia and the interval of right case
Open, make to be not easy to lean between the end of major axis and right case, prevent major axis and right cover
Contact between shell and stuck phenomenon occurs.
In above-mentioned a kind of chain block, the most fixed between described left wallboard and right wallboard
Have a baffle plate pin, described baffle plate pins position in the lower section of chain hoist wheel, described baffle plate pin and position
One piece of baffle plate it is arranged with on support bar two below chain hoist wheel.This baffle plate pin and wherein
Hoisting chain can be carried out guiding and spacing by the baffle plate connected between one support bar two,
Two ends hoisting chain is made mutually to collide.
In above-mentioned a kind of chain block, described support set is that carbon steel is made.
The effect of support set is to maintain left case and the distance pulled between sprocket wheel and left wallboard, its
Material has certain rigidity and intensity, uses price inexpensively, and processing is simple
Q235 carbon steel, cost and difficulty of processing can be reduced.
Compared with prior art, the invention have the advantages that
1, in this programme, between left wallboard and right wallboard, it is provided with support bar one and supports
Bar two, a pair left case of support bar and right case are fixed, and set on support bar one
The location shaft shoulder one put can keep the distance between left wallboard and right wallboard, adds support
Position the shaft shoulder two on bar two to be again supported between left wallboard and right wallboard, to left wall
It is supported between plate and right wallboard and positions, it is ensured that strong between left wallboard and right wallboard
Degree, when chain block is hit, does not haves the problem such as left wallboard or right wallboard deformation,
The service life extending chain block, the safety in utilization that improve chain block, can
By property and stability.
2, ratchet casing valve jacket is located at least three support bars one, is positioned at and pulls under sprocket wheel
Face, and ratchet is covered, this ratchet case will pull sprocket wheel and separate with ratchet, to pulling
Calabash ratchet and ratchet are protected, and be arranged with support set, increase on support bar one
The contact area of support bar one and left case and adjust and pull the spacing of sprocket wheel, to left wall
Play between plate and left case and support and the effect of location；Support set can keep left wallboard
And the spacing between left case, makes this chain block make when various angle of inclination
With not havinging jumping chain (pulling the rear Huantiao position to previous ring of chain), card chain more
Situations such as (block and pull chain), improves stability and reliability.
Accompanying drawing explanation
Fig. 1 is the sectional view of this chain block.
Fig. 2 is the sectional view in A-A direction in Fig. 1.
Fig. 3 is the sectional view in E-E direction in Fig. 1.
Fig. 4 is the partial sectional view after upper and lower suspension hook removed by this chain block.
Fig. 5 is the enlarged drawing after Fig. 2 removes lower suspension hook.
In figure, 1, left case；2, right case；3, hook；4, lower suspension hook；5、
Left wallboard；6, right wallboard；7, chain hoist wheel；8, sprocket wheel is pulled；9, major axis；10、
Pull chain；11, hoisting chain；12, brake seat；13, ratchet；14, ratchet；
15, friction plate one；16, friction plate two；17, support bar one；18, support bar two；
19, the location shaft shoulder one；20, the location shaft shoulder two；21, ratchet case；22, support set；
23, locking nut one；24, short axle；25, plate gear；26, location gear；27、
Side fascia；28, locking nut two；29, elastomeric pad；30, suspension hook pin；31, hinge
Joint；32, framework sheet；33, recess；34, projection；35, baffle plate；36, baffle plate
Pin.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
As shown in Figure 1, Figure 2 with shown in Fig. 5, a kind of chain block, including left case 1, the right side
Case 2, hook 3, lower suspension hook 4, left wallboard 5, right wallboard 6, chain hoist wheel 7,
Pull sprocket wheel 8 and major axis 9, chain block also include respectively with chain hoist wheel 7 and pulling
The hoisting chain 11 of sprocket wheel 8 engagement and pull chain 10, left wallboard 5 and right wallboard 6
Being connected with chain hoist wheel 7 by bearing, chain hoist wheel 7 is connected with major axis 9, pulls chain
Wheel 8 is set on major axis 9 and can rotate relative to major axis 9, and major axis 9 is fixedly provided with
At chain hoist wheel 7 and the brake seat 12 that pulls between sprocket wheel 8, brake seat 12
On be arranged with can the ratchet 13 of relative brake device seat 12 left rotation and right rotation, on left wallboard 5
Be provided with the ratchet 14 engaged with ratchet 13, the two sides of ratchet 13 be installed with respectively with hands
Slide fastener wheel 8 and brake seat 12 against friction plate 1 and friction plate 2 16, left cover
Connect between shell 1 and right case 2 and have at least three support bars 1, support bar 1
It is located on left wallboard 5 and right wallboard 6, support bar 1 has a location shaft shoulder one
19, location the shaft shoulder 1 two sides respectively with left wallboard 5 and the medial surface of right wallboard 6
Against；It is additionally provided with at least two support bars 2 18 between left wallboard 5 and right wallboard 6,
Having a location shaft shoulder 2 20 on strut 2 18, the two sides of the location shaft shoulder 2 20 are respectively
With the medial surface of left wallboard 5 and right wallboard 6 against；Hook 3 and left wallboard 5 and the right side
Wallboard 6 is connected, and lower suspension hook 4 is connected with one end of hoisting chain 11.
As shown in Figure 3 and Figure 5, support bar 1 and support bar 2 18 are respectively arranged with three,
Three support bars 1 are distributed in isosceles triangle between left case 1 and right case 2,
Three support bars 2 18 are distributed in isosceles triangle between left wallboard 5 and right wallboard 6,
Support bar 1 and the left wallboard of support bar 2 18 even support 5 and right wallboard 6, improve
Bonding strength between left wallboard 5 and right wallboard 6.
Further, wherein support bar 2 18 is positioned at the lower section of chain hoist wheel 7, separately
Outer two support bars 2 18 lay respectively at upper left side and the upper right side of chain hoist wheel 7.
As shown in Figure 1 and Figure 5, the outside of left wallboard 5 be provided with left wallboard 5 against
Ratchet case 21, support bar 1 is located on ratchet case 21, every support bar one
All be arranged with a support set 22 on 17, the two ends of support set 22 respectively with ratchet case 21
Lateral surface and left case 1 medial surface against；The equal spiral shell in two ends, left and right of support bar 1
Stricture of vagina connects to be had locking nut 1, ratchet case 21 to be set in pull on sprocket wheel 8, and
Being covered by ratchet 13, this ratchet case 21 will pull sprocket wheel 8 and separate with ratchet 13, right
Chain block ratchet 13 and ratchet 14 are protected, and be arranged with and prop up on support bar 1
Support set 22, increases support bar 1 and the contact area of left case 1 and adjustment and hands
Slide fastener wheel 8 spacing, to play between left wallboard 5 and left case 1 support and location
Effect；Support set 22 can keep the spacing between left wallboard 5 and left case 1, makes this
Chain block use when various angle of inclination do not have more jumping chain (pull chain
A rear Huantiao of bar 10 is to the position of previous ring), card chain (block and pull chain 10) etc.
Situation, improves stability and reliability.
Support set 22 is made for carbon steel.The effect of support set 22 is to maintain left cover
Shell 1 and the distance pulled between sprocket wheel 8 and left wallboard 5, its material has certain rigidity
With intensity, use price inexpensively, and process simple Q235 carbon steel, can
To reduce cost and difficulty of processing.
As shown in Figure 3 and Figure 4, right wallboard 6 is provided with two short axles 24, two short axles
Being respectively arranged with a plate gear 25 on 24, the right part of major axis 9 is provided with a location gear
26, location gear 26 engages with two plate gears 25.Plate gear 25 and location gear
The position of 26 pairs of major axis 9 positions, and keeps the centrad of major axis 9, makes each driving section
Part stable drive, rubs little, the outside of right wallboard 6 be provided with right wallboard 6 against outside
Wallboard 27, support bar 2 18 is located on Side fascia 27, the left and right of support bar 2 18
Two ends are the most threaded locking nut 2 28, and the inner side of locking nut 2 28 is provided with set
The elastomeric pad 29 being located on support bar 2 18.Side fascia 27 is by plate gear 25 and determines
Position gear 26 wraps up, and makes to isolate between plate gear 25 and location gear 26 and right case 2
Come, can effectively avoid right case 2 to deform major axis 9 and the impact of plate gear 25.
A suspension hook pin 30 is had as it is shown in figure 1, connect between left wallboard 5 and right wallboard 6,
The lower end of hook 3 has the articulated joint 31 of a round pie, and suspension hook pin 30 wears
There are two pieces of framework sheets 32 between left wallboard 5 and right wallboard 6, on framework sheet 32
Having a recess 33, articulated joint 31 is connected between two recesses 33, lower suspension hook 4 with
Having similar structure between hoisting chain 11, this structure is advantageous in that, articulated joint
31 realize the company between suspension hook pin 30 by the recess 33 between two pieces of framework sheets 32
Connect, easy for installation, and also the articulated joint 31 on hook 3 can be at two recesses 33
Rotate freely in the chamber formed, the external carbuncle that when reducing lifting, hook 3 is subject to, outward
The middle part of wallboard 27 is hinged with the end of major axis 9, and the middle part of right case 2 is provided with several
Stretch out right case 2 medial surface and projection 34 that the lateral surface with Side fascia 27 leans,
Projection 34 is circumferentially distributed, and the axis of major axis 9 and projection 34 enclose in the center of circle
Line overlaps, and is provided with gap, these projections between right part and the Side fascia 27 of major axis 9
34 is spaced apart with right case 2 by Side fascia 27, makes the end of major axis 9 and right case 2
Between be not easy to lean, prevent from contacting between major axis 9 with right case 2 and occurring stuck
Phenomenon.
As in figure 2 it is shown, be fixedly provided with a baffle plate pin 36 between left wallboard 5 and right wallboard 6,
Baffle plate pin 36 is positioned at the lower section of chain hoist wheel 7, baffle plate pin 36 and be positioned at chain hoist wheel 7
It is arranged with one piece of baffle plate 35 on the support bar 2 18 of lower section.This baffle plate pin 36 and wherein one
Between individual support bar 2 18 connect baffle plate 35 hoisting chain 11 can be carried out guide and
Spacing, make two ends hoisting chain 11 mutually to collide.
The operation principle of this chain block is: hang on the fixtures such as support by hook 3,
The object treating lifting is hung on lower suspension hook 4, pulls and pull chain 10 and make to pull sprocket wheel 8
Rotating, ratchet 14 allows that ratchet 13 rotates, and moment is through pulling sprocket wheel 8, friction plate
One 15, ratchet 13, friction plate 2 16, brake seat 12 and major axis 9, be transferred to
Heavy chain wheel 7 and hoisting chain 11, thus drive the object on lower suspension hook 4 to rise；Object
During decline, reversely pulling and pull chain 10, now, ratchet 14 is impermissible for ratchet 13 and revolves
Turn, rely on friction plate 1 and friction plate 2 16 respectively with pull sprocket wheel 8 and brake
Frictional force between seat 12, makes object slowly decline；Chain block this construction tool warp
Often there will be situations below: the most mixed and disorderly placement, use after thrown fall on ground, installation
Collide with external object during using, severe storage and working environment opponent
The intensity drawing calabash brings test, after the left wallboard 5 of chain block and right wallboard 6 are hit
Deformation, can make the bearing between left wallboard 5 and right wallboard 6 and chain hoist wheel 7 impaired,
So that Ka Shisong when chain block in use occurs, time weight time the situation such as light,
Chain hoist wheel 7, major axis 9 or other drive disk assemblies is there will be stuck, it is impossible to fortune time serious
Turning, the service life not only making chain block is shorter, it is also possible to construction accident occur；
In this programme, between left wallboard 5 and right wallboard 6, it is provided with support bar 1 and supports
Bar 2 18, left case 1 and right case 2 are fixed by support bar 1, Er Qiezhi
The location shaft shoulder 1 arranged on strut 1 can keep left wallboard 5 and right wallboard 6
Between distance, add on upper support bar 2 18 position the shaft shoulder 2 20 again to left wallboard 5
And be supported between right wallboard 6, it is supported between left wallboard 5 and right wallboard 6
And location, it is ensured that the intensity between left wallboard 5 and right wallboard 6, hit at chain block
Time, do not have the problem such as left wallboard 5 or right wallboard 6 deformation, extend chain block
Service life, improve the safety in utilization of chain block, reliability and stability.
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Claims (8)
1. a chain block, including left case (1), right case (2), left wallboard (5),
Right wallboard (6), chain hoist wheel (7), pull sprocket wheel (8) and major axis (9), described hands
Draw calabash also include respectively with chain hoist wheel (7) and pull the lifting that sprocket wheel (8) engages
Chain (11) and pull chain (10), described left wallboard (5) and right wallboard (6) lead to
Cross bearing to be connected with described chain hoist wheel (7), described chain hoist wheel (7) and major axis (9)
Be connected, described in pull sprocket wheel (8) to be set in major axis (9) upper and can major axis (9) relatively
Rotate, it is characterised in that connect between described left case (1) and right case (2) and have
Support bar one (17), described support bar one (17) is located in left wallboard (5) He Youqiang
On plate (6), described support bar one (17) has a location shaft shoulder one (19), institute
State location the shaft shoulder one (19) two sides respectively with left wallboard (5) and right wallboard (6)
Medial surface against；It is additionally provided with support between described left wallboard (5) and right wallboard (6)
Bar two (18), described support bar two (18) has a location shaft shoulder two (20), institute
State location the shaft shoulder two (20) two sides respectively with left wallboard (5) and right wallboard (6)
Medial surface against；Described support bar one (17) and support bar two (18) are respectively arranged with three,
Three described support bars one (17) are distributed in left case (1) and right cover in isosceles triangle
Between shell (2), three described support bars two (18) are distributed in left wall in isosceles triangle
Between plate (5) and right wallboard (6)；Wherein a described support bar two (18) is positioned at
The lower section of chain hoist wheel (7), other two described support bars two (18) have laid respectively at
The upper left side of heavy chain wheel (7) and upper right side；The outside of described right wallboard (6) be provided with
Right wallboard (6) against Side fascia (27), described support bar two (18) is located in institute
Stating on Side fascia (27), the middle part of described right case (2) is provided with several and stretches out right cover
The projection (34) that shell (2) medial surface and the lateral surface with described Side fascia (27) lean,
Described projection (34) is circumferentially distributed, and the axis of described major axis (9) and described projection (34)
The centrage of the circle surrounded overlaps.
Chain block the most according to claim 1, it is characterised in that described left wall
The outside of plate (5) be provided with left wallboard (5) against ratchet case (21), described
Strut one (17) is located on described ratchet case (21), every described support bar one
(17) being all arranged with a support set (22) on, the two ends of described support set (22) are respectively
With the lateral surface of ratchet case (21) and the medial surface of left case (1) against；Described
The two ends, left and right of strut one (17) are the most threaded locking nut one (23).
Chain block the most according to claim 1 and 2, it is characterised in that described
Right wallboard (6) is provided with two short axles (24), and two described short axles (24) are upper respectively
Being provided with a plate gear (25), the right part of described major axis (9) is provided with a location gear
(26), described location gear (26) engages with two described plate gears (25).
Chain block the most according to claim 1 and 2, it is characterised in that described
The two ends, left and right of support bar two (18) are the most threaded locking nut two (28), described
The inner side of locking nut two (28) is provided with the cushion being set on support bar two (18)
Sheet (29).
Chain block the most according to claim 1 and 2, it is characterised in that described
Connect between left wallboard (5) and right wallboard (6) and have a suspension hook pin (30), hook (3)
Lower end there is the articulated joint (31) of a round pie, described suspension hook pin (30) wears
There are two pieces of framework sheets (32) being positioned between left wallboard (5) and right wallboard (6), described
Having a recess (33) on framework sheet (32), described articulated joint (31) is connected to two
Between recess (33).
Chain block the most according to claim 4, it is characterised in that described exterior wall
The middle part of plate (27) is hinged with the end of described major axis (9), described major axis (9)
It is provided with gap between right part and Side fascia (27).
Chain block the most according to claim 1 and 2, it is characterised in that described
A baffle plate pin (36), described gear it is fixedly provided with between left wallboard (5) and right wallboard (6)
Plate pin (36) is positioned at the lower section of chain hoist wheel (7), described baffle plate pin (36) and being positioned at
It is arranged with one piece of baffle plate (35) on the support bar two (18) of chain hoist wheel (7) lower section.
Chain block the most according to claim 2, it is characterised in that described support
Set (22) is that carbon steel is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456568.XA CN103466493B (en) | 2013-09-29 | 2013-09-29 | A kind of chain block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456568.XA CN103466493B (en) | 2013-09-29 | 2013-09-29 | A kind of chain block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103466493A CN103466493A (en) | 2013-12-25 |
| CN103466493B true CN103466493B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310456568.XA Expired - Fee Related CN103466493B (en) | 2013-09-29 | 2013-09-29 | A kind of chain block |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104760898B (en) * | 2015-04-30 | 2017-08-15 | 重庆维大力起重设备有限公司 | A kind of chain block |
| CN104944306B (en) * | 2015-04-30 | 2017-08-15 | 重庆维大力起重设备有限公司 | A kind of rotary type chain block |
| CN105174100B (en) * | 2015-09-01 | 2017-09-08 | 浙江冠林机械有限公司 | A kind of spacing draw ring of Lever Blocks |
| CN105174115B (en) * | 2015-09-01 | 2017-09-01 | 浙江冠林机械有限公司 | Novel lever block structure |
| CN105129642B (en) * | 2015-09-01 | 2017-10-10 | 浙江冠林机械有限公司 | A kind of Lever Blocks structure |
| CN105174037A (en) * | 2015-10-21 | 2015-12-23 | 无锡港盛重型装备有限公司 | Lifting hook mechanism for crane |
| CN105347221A (en) * | 2015-11-24 | 2016-02-24 | 浙江维大茵特起重设备有限公司 | Waterproof lever block |
| CN105347214A (en) * | 2015-11-24 | 2016-02-24 | 浙江维大茵特起重设备有限公司 | Chain block |
| CN107720592B (en) * | 2017-11-24 | 2023-11-07 | 马志明 | Chain block capable of quickly adjusting length |
| CN111268580B (en) * | 2020-01-18 | 2021-07-30 | 浙江手牌起重葫芦有限公司 | Six-row hoisting chain link chain hoist capable of adapting to high-precision rapid lifting |
| CN111891941A (en) * | 2020-07-03 | 2020-11-06 | 广州市第一市政工程有限公司 | Municipal works construction carrier that lifts by crane |
| CN112551412B (en) * | 2020-11-30 | 2022-03-18 | 江苏御科机械有限公司 | Stable and reliable type chain block system |
| CN116835468B (en) * | 2023-07-10 | 2024-06-28 | 重庆凯荣机械有限责任公司 | Chain block with labor-saving structure and implementation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1949920A (en) * | 1931-03-26 | 1934-03-06 | Riley Engineering & Supply Co | Hoist |
| US3894720A (en) * | 1973-05-14 | 1975-07-15 | Toa Kikai Seisakusho Kk | Chain Block |
| CN2232911Y (en) * | 1995-10-04 | 1996-08-14 | 北京起重工具厂 | Safety and protecting chain block |
| CN200981798Y (en) * | 2006-10-27 | 2007-11-28 | 陈树忠 | No load fast lifting hand pulling block |
| CN202492320U (en) * | 2012-01-05 | 2012-10-17 | 安徽九华机械有限公司 | Chain hoist |
| CN203513161U (en) * | 2013-09-29 | 2014-04-02 | 江苏超联机械有限公司 | Chain block |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3355484B2 (en) * | 1998-11-19 | 2002-12-09 | 象印チエンブロック株式会社 | Hoisting machine |
-
2013
- 2013-09-29 CN CN201310456568.XA patent/CN103466493B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1949920A (en) * | 1931-03-26 | 1934-03-06 | Riley Engineering & Supply Co | Hoist |
| US3894720A (en) * | 1973-05-14 | 1975-07-15 | Toa Kikai Seisakusho Kk | Chain Block |
| CN2232911Y (en) * | 1995-10-04 | 1996-08-14 | 北京起重工具厂 | Safety and protecting chain block |
| CN200981798Y (en) * | 2006-10-27 | 2007-11-28 | 陈树忠 | No load fast lifting hand pulling block |
| CN202492320U (en) * | 2012-01-05 | 2012-10-17 | 安徽九华机械有限公司 | Chain hoist |
| CN203513161U (en) * | 2013-09-29 | 2014-04-02 | 江苏超联机械有限公司 | Chain block |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103466493A (en) | 2013-12-25 |
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