CN208381307U - Head and underwater milling digging machine are dug in the milling of underwater milling digging machine - Google Patents
Head and underwater milling digging machine are dug in the milling of underwater milling digging machine Download PDFInfo
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- CN208381307U CN208381307U CN201820346160.5U CN201820346160U CN208381307U CN 208381307 U CN208381307 U CN 208381307U CN 201820346160 U CN201820346160 U CN 201820346160U CN 208381307 U CN208381307 U CN 208381307U
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Abstract
The utility model discloses the millings of underwater milling digging machine to dig head and underwater milling digging machine, head is dug in the milling of underwater milling digging machine, including driving assembly, driving assembly includes shell and output shaft, there is running clearance between shell and output shaft, the outer sheath of output shaft is equipped with pick sleeve, annular seat component is covered on shell and output shaft, annular seat component using running clearance as boundary be divided into active connection part be fixedly connected with portion, the inner wall of active connection part is adjacent to output shaft, shell is fixed in the portion of being fixedly connected, by being disposed with silt barrier components and liquid barrier component inside outside on the inner wall of the active connection part of annular seat component, it the advantage is that active connection part setting silt barrier components and liquid barrier component, it first passes through silt barrier components and silt is filtered one step ahead, then water further progress is isolated by liquid barrier component , to realize waterproof and sediment prevention, simultaneously also bring the function of preventing hydraulic oil from revealing.
Description
Technical field
The utility model relates to a kind of engineering excavation construction articles, more particularly, to the underwater milling digging head for milling digging machine and under water
Mill digging machine.
Background technique
Milling digging machine can be widely applied to the operation of the excavations such as tunnel, road surface, irrigation canals and ditches.Existing milling digging machine includes that manipulation is dug in milling
Head is dug in main body and milling, and it includes driving assembly that milling, which digs head to include, and driving assembly includes shell and output shaft, is arranged on the outside of output shaft
There is pick sleeve.When milling digging machine work, output shaft rotation, shell is motionless, so having centainly between output shaft and shell
Running clearance.Rainwater or silt can be entered inside driving assembly by running clearance, to cause the damage of milling digging machine.
With China's maritime rights and interests improve and economic construction continuous development, underwater construction be related to more and more fields and
Industry, such as the laying of submerged cable, optical cable, dredging engineering under river, the underwater foundation construction etc. of the bridge pier of science of bridge building
More and more industries and field are related to ditching under the operating condition of underwater operation, especially deep water, and dredging mixing plant is very scarce
It is weary.In view of the above circumstances, developing the underwater milling digging machine of one kind has very big market prospects.Underwater milling digging machine is a kind of can be used under water
Operation, has fluting, and ditching and the milling of dredging agitating function dig standby；Underwater milling digging machine have biggish output torque so as to
Biggish Milling Force is provided, underwater harder substance is dug convenient for milling, has higher milling and dig efficiency；Underwater milling digging machine has the bottom
30 meters of deepwater work ability.
Underwater milling digging machine technical problem to be solved: 1, under water milling digging machine under water operation when, need to prevent in water
Enter water inside milling digging machine and causes to mill digging machine damage under water；2, under water milling digging machine need to prevent underwater silt because
It is mixed to mill the agitation of digging machine with water, into milling digging machine sealing structure, accelerates milling digging machine seal structure damage；3, sealing structure exists
When underwater operation, needs to prevent to mill under water inside the hydraulic fluid leak to water inside digging machine, cause environmental pollution.
Utility model content
The technical problem to be solved by the utility model is to provide the underwater millings having with waterproof and sediment prevention function
Head and underwater milling digging machine are dug in the milling of digging machine, and the utility model is mainly hindered by the way that silt is arranged in the poor active connection part of leakproofness
Every component and liquid barrier component, first passes through silt barrier components and silt is filtered one step ahead, then pass through liquid barrier
Water further progress is isolated in component, to realize waterproof and sediment prevention, simultaneously also bringing prevents hydraulic oil leakage
Function.
Technical solution adopted by the utility model to solve the above technical problems is as follows: head is dug in the milling of milling digging machine under water, including
Driving assembly, driving assembly include shell and output shaft, have running clearance, the outer sheath of output shaft between shell and output shaft
Equipped with pick sleeve, it is characterised in that annular seat component is covered on shell and output shaft, between annular seat component is to rotate
Gap is that boundary is divided into active connection part and the portion that is fixedly connected, and the inner wall of active connection part is adjacent to output shaft, and the portion of being fixedly connected is fixed on
Shell, by being disposed with silt barrier components and liquid barrier inside outside on the inner wall of the active connection part of annular seat component
Component.
The further preferred embodiment of the utility model are as follows: the silt barrier components include being arranged in active connection part
First annular groove and packing on wall, packing are filled in first annular groove.
The further preferred embodiment of the utility model are as follows: the liquid barrier component includes being arranged in active connection part
Second annular groove, third annular groove and fourth annular groove on wall, the setting of third annular groove in second annular groove and
Between fourth annular groove, sealing element and lock ring circle, third annular are provided in second annular groove and fourth annular groove
Lubricating oil is provided in groove, lubricating oil enters second annular groove along the gap between annular seal assembly and output shaft
In fourth annular groove.
The further preferred embodiment of the utility model are as follows: at least one buffering is provided on the inner wall of the sealing element
Slot, lock ring snare are located at the outside of sealing element.
The further preferred embodiment of the utility model are as follows: be provided on the outside of the annular seat component for compact disk
The pressing plate of root, is provided with gap between pressing plate and output shaft, the height in gap is greater than between annular seat component and output shaft
The height in gap.
The further preferred embodiment of the utility model are as follows: be provided with screw hole in the annular seat component and screw is logical
The portion of being fixedly connected in road, annular seat component is fixed by screws on shell.
The further preferred embodiment of the utility model are as follows: be provided with first on the pressing plate of two side position of screw conduits
Seal groove and the second seal groove are provided with the first sealing ring in the first seal groove, the second sealing ring are provided in the second seal groove,
The portion of being fixedly connected above screw is provided with third seal groove, and third sealing ring is provided on third seal groove.
The further preferred embodiment of the utility model are as follows: described is fixedly connected with the Z-shaped structure in portion, the shell and ring
The junction of shape containment member also Z-shaped structure, is fixedly connected with portion and shell fits.
The further preferred embodiment of the utility model are as follows: the packing is made of polytetrafluoroethylene material, described
Sealing element is rotation tetrafluoroethene sealing element.
Underwater milling digging machine, it is characterised in that including hull, pedestal and actuating arm are equipped on hull, one end of actuating arm connects
It connects milling described above and digs head.
Silt and water mainly pass through running clearance and enter inside driving assembly, and it is fixed for being fixedly connected between portion and shell
Connection does not need to carry out relative motion, so waterproof type is relatively easy；It and is that activity connects between active connection part and output shaft
It connects, needs neither to influence the rotation of output shaft, and can be realized waterproof and sediment prevention, realize more difficult.With prior art phase
Than, for the utility model by the way that twice defence line is arranged in active connection part, first is silt barrier components for obstructing silt, the
Two be liquid barrier component for obstructing water, and the mixture of silt and water first passes around silt barrier components, then enters
Liquid barrier component realizes the function of waterproof and sediment prevention；Simultaneously, running clearance by active connection part be fixedly connected
Portion is enclosed in centre, has completely cut off the connection with the external world, realizes the function of preventing hydraulic oil from revealing.
Detailed description of the invention
Fig. 1 is the side view of the utility model；
Fig. 2 is the cross-sectional view in Fig. 1 at A；
Fig. 3 is the enlarged drawing in Fig. 2 at B；
Fig. 4 is the enlarged drawing in Fig. 3 at C；
Fig. 5 is the front view of the utility model；
Fig. 6 is the perspective view that the utility model removes sleeve；
Fig. 7 is the explosive view of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in Fig. 1-Fig. 7, head, including driving assembly 1 are dug in the underwater milling for milling digging machine, and driving assembly 1 includes 2 He of shell
Output shaft 3, has running clearance 5 between shell 2 and output shaft 3, output shaft 3 is rotated relative to shell 2, rubbed to reduce to the greatest extent
It wipes, necessarily has certain interval between the two.On the one hand it needs to prevent extraneous silt and water from entering in running clearance 5, separately
On the one hand it needs that the hydraulic oil in driving assembly 1 is prevented to be leaked to the external world.The outer sheath of output shaft 3 is equipped with pick sleeve 6, shell
2 and output shaft 3 on be covered with annular seat component 7, annular seat component 7 is that boundary is divided into active connection part 71 with running clearance 5
With the portion that is fixedly connected 72, the inner wall of active connection part 71 is adjacent to output shaft 3, is fixedly connected with portion 72 and is fixed on shell 2, ring packing
By being disposed with silt barrier components 8 and liquid barrier component 9 inside outside on the inner wall of the active connection part 71 of component 7.The
Be together silt barrier components 8 for obstructing silt, second is liquid barrier component 9 for obstructing water, silt and water it is mixed
Zoarium first passes around silt barrier components 8, then enters liquid barrier component 9, realizes the function of waterproof and sediment prevention；In
This simultaneously, running clearance 5 is enclosed in centre with the portion that is fixedly connected 72 by active connection part 71, has completely cut off and extraneous connection, real
The function of preventing hydraulic oil from revealing is showed.
As Figure 1-Figure 4, silt barrier components 8 include the first annular groove being arranged on 71 inner wall of active connection part
81 and packing 82, packing 82 be filled in first annular groove 81.Packing 82 is also named airtight and watertight padding, usually by relatively soft threadiness
Object weaves, and usual sectional area is that square or rectangular, circular bar are filled in first annular groove 81.Packing
82 inside has certain gap, passing through for volume biggish particulate matter (such as silt) is prevented, for the moisture of small volume
Son does not hinder.Liquid barrier component 9 includes that setting second annular groove 92, third annular on 71 inner wall of active connection part are recessed
Slot 93 and fourth annular groove 94, third annular groove 93 are arranged between second annular groove 92 and fourth annular groove 94,
It is provided with sealing element 10 and lock ring circle 11 in second annular groove 92 and fourth annular groove 94, is set in third annular groove 93
It is equipped with lubricating oil, lubricating oil enters 92 He of second annular groove along the gap between annular seal assembly 7 and output shaft 3
In fourth annular groove 94.Third annular groove 93 connects lubrication filler 12, and the external world is by lubrication filler 12 toward the
Lubricating oil is conveyed in three annular grooves 93.Sealing element 10 and lock ring circle 11, fourth annular groove 94 in second annular groove 92
Interior sealing element 10 and lock ring circle 11, has had certain sealing function, then provide lubricating oil on the basis of this, has on the one hand used
In forming oil sealing, friction on the other hand is reduced for providing lubrication, when in the second sealed groove 92 and the 4th sealed groove 94
When lubricating oil is reduced, the lubricating oil in third sealed groove 93 can be automatically flowed into the second sealed groove 92 and the 4th sealed groove
In 94.The hydraulic oil in driving assembly 1 can be prevented to be leaked to preventing extraneous water to be flowed into running clearance 5
It is extraneous.At least one dashpot 13 is provided on the inner wall of sealing element 10.Lock ring circle 11 is set in the outside of sealing element 10.Buffering
Slot 13 reduces friction to the greatest extent under the premise of guaranteeing sealing effect for reducing compressing of the sealing element 10 to output shaft.Packing 82
It is made of polytetrafluoroethylene material, sealing element 10 is rotation tetrafluoroethene sealing element 10.Rotation tetrafluoroethene sealing element 10 contains
There is bronze powder.
As shown in figure 4, the relationship needs between annular seat component 7 and output shaft 3 solve two problems: 1, spacing is as far as possible
It is small, to reach the requirement of sealing；2, silt cannot snap between annular seat component 7 and output shaft 3, cause ring packing structure
The abrasion of part 7 and output shaft 3.The outside of annular seat component 7 is provided with the pressing plate 12 for compressing packing 82,12 He of pressing plate
Gap 15 is provided between output shaft 3, the height in gap 15 is greater than the gap 14 between annular seat component 7 and output shaft 3
Highly.The height in gap 15 is greater than the diameter of silt, prevents silt to be caught in gap, causes annular seat component 7 and output shaft 3
Abrasion；Silt is left the particle of water and small volume, chinky altitude is smaller will not to generate asking for abrasion after filtering
Topic.Screw hole 16 and screw conduits 17 are provided in annular seat component 7, the portion 72 that is fixedly connected of annular seat component 7 passes through
Screw 18 is fixed on shell 2.The first seal groove 19 and the second sealing are provided on the pressing plate 12 of 17 liang of side positions of screw conduits
Slot 20 is provided with the first sealing ring 191 in first seal groove 19, is provided with the second sealing ring 201 in the second seal groove 20, and first
Sealing ring 191 and the second sealing ring 201 are made for preventing silt from entering inside shell 2 by screw conduits 17, screw hole 16
At the damage of driving assembly 1.The portion 72 that is fixedly connected of the top of screw 18 is provided with third seal groove 21, on third seal groove 21
It is provided with third sealing ring 211.
As shown in figure 3, being fixedly connected with the Z-shaped structure in portion 72, the junction of shell 2 and annular seat component 7 is also in Z type
Structure, is fixedly connected with portion 72 and shell 2 fits.The fixed form of Z-type has multiple bending parts, is capable of forming preferable sealing
Effect.
It is underwater to mill digging machine, including hull (attached drawing is not shown), pedestal and actuating arm, one end of actuating arm are installed on hull
It connects above-mentioned milling and digs head.
Head is dug to the milling of underwater milling digging machine provided by the utility model above and underwater milling digging machine is described in detail,
Specific case used herein is expounded the principles of the present invention and embodiment, and the explanation of above embodiments is only
It is to be used to help understand the utility model and core concept.It should be pointed out that for those skilled in the art,
Without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these improvement
It is also fallen into the protection scope of the utility model claims with modification.
Claims (10)
1. head, including driving assembly are dug in the milling of milling digging machine under water, driving assembly includes shell and output shaft, shell and output shaft it
Between there is running clearance, the outer sheath of output shaft is equipped with pick sleeve, it is characterised in that is covered with annular on shell and output shaft
Containment member, annular seat component are divided into active connection part and the portion that is fixedly connected using running clearance as boundary, active connection part it is interior
Wall is adjacent to output shaft, and shell is fixed in the portion of being fixedly connected, on the inner wall of the active connection part of annular seat component by outside inside according to
It is secondary to be provided with silt barrier components and liquid barrier component.
2. head is dug in the milling of underwater milling digging machine according to claim 1, it is characterised in that the silt barrier components include
First annular groove on the inner wall of active connection part and packing are set, and packing is filled in first annular groove.
3. head is dug in the milling of underwater milling digging machine according to claim 2, it is characterised in that the liquid barrier component includes
Second annular groove, third annular groove and fourth annular groove, third annular groove is arranged on the inner wall of active connection part to set
It sets between second annular groove and fourth annular groove, is provided with sealing element in second annular groove and fourth annular groove
With lock ring circle, lubricating oil is provided in third annular groove, lubricating oil is along the gap between annular seal assembly and output shaft
It enters in second annular groove and fourth annular groove.
4. head is dug in the milling of underwater milling digging machine according to claim 3, it is characterised in that set on the inner wall of the sealing element
It is equipped at least one dashpot, lock ring snare is located at the outside of sealing element.
5. head is dug in the milling of underwater milling digging machine according to claim 2, it is characterised in that outside the annular seat component
Side is provided with the pressing plate for compressing packing, and gap is provided between pressing plate and output shaft, and the height in gap is greater than ring packing
The height in the gap between component and output shaft.
6. head is dug in the milling of underwater milling digging machine according to claim 5, it is characterised in that set in the annular seat component
It is equipped with screw hole and screw conduits, the portion of being fixedly connected of annular seat component is fixed by screws on shell.
7. head is dug in the milling of underwater milling digging machine according to claim 6, it is characterised in that two side position of screw conduits
Pressing plate on be provided with the first seal groove and the second seal groove, the first sealing ring, the second seal groove are provided in the first seal groove
It is inside provided with the second sealing ring, the portion of being fixedly connected above screw is provided with third seal groove, and is provided on third seal groove
Three sealing rings.
8. head is dug in the milling of underwater milling digging machine according to claim 1, it is characterised in that described is fixedly connected with the Z-shaped knot in portion
The junction of structure, the shell and annular seat component also Z-shaped structure, is fixedly connected with portion and shell fits.
9. head is dug in the milling of underwater milling digging machine according to claim 3, it is characterised in that the packing uses polytetrafluoroethyl-ne
Alkene material is made, and the sealing element is rotation tetrafluoroethene sealing element.
10. milling digging machine under water, it is characterised in that including hull, pedestal and actuating arm are equipped on hull, one end of actuating arm connects
It connects any milling of claim 1-9 and digs head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820346160.5U CN208381307U (en) | 2018-03-14 | 2018-03-14 | Head and underwater milling digging machine are dug in the milling of underwater milling digging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820346160.5U CN208381307U (en) | 2018-03-14 | 2018-03-14 | Head and underwater milling digging machine are dug in the milling of underwater milling digging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208381307U true CN208381307U (en) | 2019-01-15 |
Family
ID=64974425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820346160.5U Active CN208381307U (en) | 2018-03-14 | 2018-03-14 | Head and underwater milling digging machine are dug in the milling of underwater milling digging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208381307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223803A (en) * | 2018-03-14 | 2018-06-29 | 宁波恒通诺达液压股份有限公司 | Head and underwater milling digging machine are dug in the milling of underwater milling digging machine |
-
2018
- 2018-03-14 CN CN201820346160.5U patent/CN208381307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223803A (en) * | 2018-03-14 | 2018-06-29 | 宁波恒通诺达液压股份有限公司 | Head and underwater milling digging machine are dug in the milling of underwater milling digging machine |
| CN108223803B (en) * | 2018-03-14 | 2024-04-16 | 宁波恒通诺达液压股份有限公司 | Milling head of underwater milling machine and underwater milling machine |
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