CN205714000U - Raise boring machine cutterhead casing and pull bar card keyed attachment structure - Google Patents
Raise boring machine cutterhead casing and pull bar card keyed attachment structure Download PDFInfo
- Publication number
- CN205714000U CN205714000U CN201620318117.9U CN201620318117U CN205714000U CN 205714000 U CN205714000 U CN 205714000U CN 201620318117 U CN201620318117 U CN 201620318117U CN 205714000 U CN205714000 U CN 205714000U
- Authority
- CN
- China
- Prior art keywords
- pull bar
- cutterhead casing
- casing
- cutterhead
- card key
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of raise boring machine cutterhead casing and pull bar card keyed attachment structure, including pull bar, cutterhead casing and card key, it is enclosed within the outer surface of described pull bar outside described cutterhead casing, described pull bar is connected with described cutterhead casing by the ring flange of described tie rod end, it is provided with groove on the ring flange of described tie rod end, after the described groove of described card key alignment, described cutterhead casing and described card key are joined weldering；The inner surface of described cutterhead casing has gap relative to the outer surface of described pull bar, and described pull bar is provided with oil duct, and described oil duct is connected with described gap.The utility model structure is reliable, and low cost of manufacture is convenient to mount and dismount, economical and practical, easy to maintenance.
Description
Technical field
The utility model belongs to mining machinery technical field, particularly relates to a kind of raise boring machine cutterhead casing and draws
Bar card keyed attachment structure.
Background technology
Raise boring machine is that raise boring machine is most important as important construction machinery a kind of in mining machinery, reaming cutterhead
One of construction parts, the reliability of cutterhead casing and the attachment structure of pull bar directly affects the reliability of equipment.
Major part cutterhead casing is connected with the spline that is connected by of pull bar at present, and its structure is complicated, and processing cost is high,
Uneconomical practicality, and maintenance trouble.
As disclosed in the patent No. 201320107192.7, a kind of modularized combination type cutterhead, is used for rig, including
Cutterhead casing, pull bar, knife rest and cutter group, described pull bar one end is connected with the drilling rod of rig, the other end with described
Cutterhead box house is fixing to be connected to transmit moment of torsion, and described knife rest removably connects with described cutterhead casing, described
Cutter group removably connects with described cutterhead casing, described knife rest.Described pull bar is pressed on inner conical drogue by conical ring
In cutterhead casing；Described conical ring and/or inner conical drogue have elasticity, can carry out elastic deformation.Described cutterhead casing
Inside being fixedly connected with inner spline housing, described pull bar one end arranges and is connected with external splines, by described external splines and institute
Stating the matched in clearance of internal spline, described pull bar one end is fixing with described cutterhead box house to be connected to transmit moment of torsion.
In this patent its similarly cutterhead casing and pull bar use the connected mode of spline, still cannot break away from
The technical problems such as processing cost is high, maintenance trouble.
Utility model content
The purpose of this utility model is that and overcomes the deficiencies in the prior art, provides a kind of structure reliable, manufactures
Low cost, is convenient to mount and dismount, economical and practical, and raise boring machine cutterhead casing easy to maintenance is connected with pull bar card keyed
Structure.
To achieve these goals, the utility model provides a kind of raise boring machine cutterhead casing and pull bar card keyed
Attachment structure, including pull bar, cutterhead casing and card key, is enclosed within the outer surface of described pull bar outside described cutterhead casing,
Described pull bar is connected with described cutterhead casing by the ring flange of described tie rod end, the method for described tie rod end
It is provided with groove on blue dish, after the described groove of described card key alignment, described cutterhead casing and described card key are joined weldering；
The inner surface of described cutterhead casing has gap relative to the outer surface of described pull bar, and described pull bar is provided with oil
Road, described oil duct is connected with described gap.
Further, the inner surface of described cutterhead casing has gap relative to the outer surface of described pull bar, is positioned at institute
Stating the top in gap, the inner surface at described cutterhead casing is provided with sealing ring.
Further, the inner surface of described cutterhead casing matches relative to the outer surface two ends of described pull bar, in
Between have described gap.
Further, the oil-in of described oil duct is provided with forced filling oil cup, and described oil-in is opened in described drag link end
On the ring flange in portion.
Further, described groove is arranged along the outer rim of described ring flange, and described groove is along described ring flange
The uniform setting of outer marginal circumference.
Further, described groove is trapezoidal, and described card key includes that trapezoidal portions and U-shaped portion are divided, described card key
Trapezoidal portions and described fit depressions, the table of the described cutterhead casing of plane laminating that described card key U-shaped portion is divided
Face.
Further, after the described groove of described card key alignment, the profile dividing along described card key U-shaped portion, by institute
State cutterhead casing and join weldering with described card key.
Further, described pull bar is connected with described cutterhead box body bolt by the ring flange of described tie rod end.
Compared with prior art, the beneficial effects of the utility model:
1st, the utility model is by arranging groove on the ring flange in tie rod end, after card key alignment indentation, and will
Cutterhead casing and card key join weldering, and structure is reliable, low cost of manufacture.Simultaneously because cutterhead casing is connected with pull bar
Card key be arranged on outside, be not only convenient to mount and dismount, maintenance is also convenient for, and has broken away from existing cutterhead casing and has adopted with pull bar
Connect with built-in spline, the problems such as the processing cost brought is high, and mounting or dismounting bother, inconvenient maintenance.
2nd, the utility model cutterhead interior relative to the outer surface of pull bar between be provided with gap,
Gap is used for storing butter, effectively prevents cutterhead casing from getting rusty with pull bar mating part, it is ensured that permanent adverse circumstances are made
Can still dismantle smoothly after industry.
3rd, groove of the present utility model is designed to trapezoidal, and the part that card key is matched therewith is also designed to trapezoidal,
The moment of torsion making pull bar is transferred to cutterhead casing by two prisms of card key, due to the face of two prisms of card key
Long-pending big, thus the moment of torsion of transmission is big, pure shear stress is effectively decomposed into two points by the design of two prisms again
Power, it is to avoid pure shear stress is excessive, causes pull bar or cutterhead casing to damage.
4th, when cutterhead casing and card key are joined weldering by the utility model, its profile dividing along card key U-shaped portion joins weldering,
And the utility model card key uses trapezoidal portions and U-shaped portion to divide the version of combination, what U-shaped portion was divided is designed with
Increase to effect the weld length of cutterhead casing and card key so that welding is more firm, and structure is relatively reliable.
Brief description
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to reality
The accompanying drawing executing required use in example or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present utility model, for those of ordinary skill in the art, not
On the premise of paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the top view of Fig. 1.
Above-mentioned reference:
1 pull bar, 2 sealing rings, 3 cutterhead casings, 4 forced filling oil cups, 5 bolts, 6 card keys.
Detailed description of the invention
Below in conjunction with the accompanying drawings utility model is further illustrated, but be not limited to scope of the present utility model.
Embodiment
As shown in Figure 1, 2, a kind of raise boring machine cutterhead casing that the utility model provides is with pull bar card keyed even
Access node structure, including pull bar the 1st, cutterhead casing 3 and card key 6, is enclosed within described pull bar 1 outside described cutterhead casing 3
Outer surface, described pull bar 1 is connected with described cutterhead casing 3 by the ring flange of described pull bar 1 end,
It is provided with groove, after described card key 6 is directed at described groove, by described cutter on the ring flange of described pull bar 1 end
Dish casing 3 and card key 6 join weldering；The inner surface of described cutterhead casing 3 has relative to the outer surface of described pull bar 1
Gap, described pull bar 1 is provided with oil duct, and described oil duct is connected with described gap.
Described pull bar 1 of the present utility model is by the ring flange of described pull bar 1 end and described cutterhead casing 3
Bolt 5 connects.After cutterhead casing 3 is connected with pull bar 1 bolt 5, after card key 6 alignment indentation, by cutterhead
Casing 3 and card key 6 join weldering, and structure is reliable, low cost of manufacture.Simultaneously because cutterhead casing 3 and pull bar 1
The card key 6 being connected is arranged on outside, is not only convenient to mount and dismount, and maintenance is also convenient for, and has broken away from existing cutterhead casing
3 use built-in spline to be connected with pull bar 1, and the processing cost brought is high, and mounting or dismounting bother, inconvenient maintenance etc.
Problem.
The inner surface of described cutterhead casing 3 of the present utility model has gap relative to the outer surface of described pull bar 1,
Being positioned at the top in described gap, the inner surface at described cutterhead casing 3 is provided with sealing ring 2.The utility model
Preferably, sealing ring 2 is O RunddichtringO.
The inner surface of described cutterhead casing 3 of the present utility model matches relative to the outer surface two ends of described pull bar 1
Closing, there is described gap centre.Cutterhead casing 3 and pull bar 1 use the form that two ends coordinate, and are effectively guaranteed
, there is cutterhead casing 3 and pull bar 1 in the reliability that cutterhead casing 3 coordinates with pull bar 1, it is to avoid coordinate long
There is axial additional torsion, affect the intensity of pull bar 1 and cutterhead casing 3.
The oil-in of described oil duct of the present utility model is provided with forced filling oil cup 4, described oil-in be opened in described in draw
On the ring flange of bar 1 end.Preferably, forced filling oil cup 4 uses through type forced filling oil cup to the utility model.
Butter injects the inner surface of cutterhead casing 3 relative to pull bar 1 outer surface by forced filling oil cup 4 through oil duct
In gap, gap upper end is sealed by sealing ring 2.Inject between cutterhead casing 3 and pull bar 1 gap through oil duct
Butter, can effectively prevent pull bar 1 from getting rusty with cutterhead casing 3 mating part, it is ensured that permanent adverse circumstances operation
Under remain to dismantle smoothly.
Described groove of the present utility model is arranged along the outer rim of described ring flange, and described groove is along described flange
The uniform setting of outer marginal circumference of dish.Groove is arranged along the ring flange circumference uniform distribution of pull bar 1 end, is effectively ensured
After card key 6 alignment indentation, when cutterhead casing 3 and card key 6 are joined weldering, the reliability of welding on circumferencial direction,
And the uniform property of welding stress distribution.
Preferably, described groove is trapezoidal for the utility model, and described card key 6 includes that trapezoidal portions and U-shaped portion are divided,
The trapezoidal portions of described card key 6 and described fit depressions, the plane laminating of described card key 6U shape part is described
The surface of cutterhead casing 3.The design that the U-shaped portion of the utility model card key 6 is divided, increases card key 6 profile
Length.When cutterhead casing 3 and card key 6 are joined weldering, join weldering along the profile that the U-shaped portion of card key 6 is divided, welding
Length is long, and it is more firm to weld.
During transmission moment of torsion, the moment of torsion of pull bar 1 is transferred to cutterhead casing 3 by two prisms of card key 6, due to
The area of two prisms of card key 3 is big, thus the moment of torsion of transmission is big, and the design of two prisms again should by pure shear
Power is effectively decomposed into two component, it is to avoid pure shear stress is excessive, causes pull bar 1 or cutterhead casing 3
Damage.
Of the present utility model general principle, principal character and of the present utility model advantage have more than been shown and described.
Skilled person will appreciate that of the industry, the utility model is not restricted to the described embodiments, above-described embodiment and
Principle of the present utility model is simply described, without departing from the utility model spirit and scope described in specification
Under the premise of the utility model also have various changes and modifications, these changes and improvements both fall within claimed basis
In the range of utility model.The utility model claims scope by appending claims and equivalent circle thereof
Fixed.
Claims (8)
1. a raise boring machine cutterhead casing and pull bar card keyed attachment structure, it is characterised in that: include pull bar,
Cutterhead casing and card key, be enclosed within the outer surface of described pull bar outside described cutterhead casing, described pull bar is drawn by described
The ring flange of boom end is connected with described cutterhead casing, and the ring flange of described tie rod end is provided with groove,
After the described groove of described card key alignment, described cutterhead casing and described card key are joined weldering；Described cutterhead casing interior
There is gap on surface relative to the outer surface of described pull bar, and described pull bar is provided with oil duct, described oil duct with described
Gap is connected.
2. raise boring machine cutterhead casing according to claim 1 and pull bar card keyed attachment structure, it is special
Levying and being, the inner surface of described cutterhead casing has gap relative to the outer surface of described pull bar, is positioned at described gap
Top, the inner surface at described cutterhead casing is provided with sealing ring.
3. raise boring machine cutterhead casing according to claim 2 and pull bar card keyed attachment structure, it is special
Levying and being, the inner surface of described cutterhead casing matches relative to the outer surface two ends of described pull bar, and centre is
State gap.
4. raise boring machine cutterhead casing according to claim 1 and pull bar card keyed attachment structure, it is special
Levying and being, the oil-in of described oil duct is provided with forced filling oil cup, and described oil-in is opened in the method for described tie rod end
On blue dish.
5. raise boring machine cutterhead casing according to claim 1 and pull bar card keyed attachment structure, it is special
Levying and being, described groove is arranged along the outer rim of described ring flange, and described groove is along the outer rim of described ring flange
Circumference uniform distribution is arranged.
6. raise boring machine cutterhead casing according to claim 1 and pull bar card keyed attachment structure, it is special
Levying and being, described groove is trapezoidal, and described card key includes that trapezoidal portions and U-shaped portion are divided, described card key trapezoidal
Part and described fit depressions, the surface of the described cutterhead casing of plane laminating that described card key U-shaped portion is divided.
7. raise boring machine cutterhead casing according to claim 6 and pull bar card keyed attachment structure, it is special
Levying and being, after the described groove of described card key alignment, the profile dividing along described card key U-shaped portion, by described cutter
Dish casing and described card key join weldering.
8. raise boring machine cutterhead casing according to claim 1 and pull bar card keyed attachment structure, it is special
Levying and being, described pull bar is connected with described cutterhead box body bolt by the ring flange of described tie rod end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620318117.9U CN205714000U (en) | 2016-04-15 | 2016-04-15 | Raise boring machine cutterhead casing and pull bar card keyed attachment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620318117.9U CN205714000U (en) | 2016-04-15 | 2016-04-15 | Raise boring machine cutterhead casing and pull bar card keyed attachment structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205714000U true CN205714000U (en) | 2016-11-23 |
Family
ID=57308118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620318117.9U Expired - Fee Related CN205714000U (en) | 2016-04-15 | 2016-04-15 | Raise boring machine cutterhead casing and pull bar card keyed attachment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205714000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735904A (en) * | 2016-04-15 | 2016-07-06 | 湖南创远高新机械有限责任公司 | Clamping key type connecting structure for cutter disc case and pull rod of raise boring machine |
-
2016
- 2016-04-15 CN CN201620318117.9U patent/CN205714000U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735904A (en) * | 2016-04-15 | 2016-07-06 | 湖南创远高新机械有限责任公司 | Clamping key type connecting structure for cutter disc case and pull rod of raise boring machine |
| CN105735904B (en) * | 2016-04-15 | 2018-02-09 | 湖南创远高新机械有限责任公司 | Raise boring machine cutterhead casing and pull bar card key formula attachment structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20190415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |