CN208996645U - Sealed tube in full-rotating drill base device - Google Patents
Sealed tube in full-rotating drill base device Download PDFInfo
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- CN208996645U CN208996645U CN201821209159.4U CN201821209159U CN208996645U CN 208996645 U CN208996645 U CN 208996645U CN 201821209159 U CN201821209159 U CN 201821209159U CN 208996645 U CN208996645 U CN 208996645U
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- cylinder
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- sealed tube
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Abstract
Sealed tube in a kind of full-rotating drill base device, including rolling into the symmetrical circular cylinder in front and back by steel plate, the cylinder in the horizontal plane be projected as closed ring curve, the closed ring curve includes 2 sections of front and back great circle camber line, 6 straightways and 4 sections of filtering circular arc lines, wherein two straightways of left and right are parallel to each other and perpendicular to the plane of symmetry before and after the cylinder；The polygon that is projected as trapezoidal and rectangle is composed of the cylinder on the plane of symmetry of front and back.The structure optimized using shape and size effectively increases the bearing capacity and stability of base device by the Proper Match with related components in shape and structure.Its simple in structure, good airproof performance, it is at low cost.
Description
Technical field
The utility model relates to a kind of dedicated closing cylinder, it is especially a kind of suitable for full-rotating drill base device in
Sealed tube.
Background technique
Base device is the installation foundation of full-rotating drill guide upright post assembly, each support oil cylinder etc., and interior sealed tube is pedestal
Device important composition part and load bearing component are bored to the integral strength and rigidity for ensuring base device, and then to guarantee full circle swinging
Machine work smoothness, reliability all play a significant role, and while avoiding drilling machine from working produced mud enters chassis interior
Important barrier.Mainly there is deficiency existing for sealed tube in existing full-rotating drill base device: first is that unreasonable structural design shadow
Ring the bearing capacity and job stability of entire base device；Second is that being associated with the structure and ruler at position with upper cap assembly, lower cover etc.
Very little design is unreasonable, influences connection reliability, influences sealing effect.
Summary of the invention
Technical problem: the purpose of the utility model is to overcome the shortcoming in prior art, provide a kind of structure it is simple,
The strong interior sealed tube of good airproof performance, bearing capacity.
Technical solution: sealed tube in the full-rotating drill base device of the utility model, including by steel plate roll into front and back it is right
The circular cylinder of title, the cylinder in the horizontal plane be projected as closed ring curve, which includes front and back 2
Duan great Yuan camber line, 6 straightways and 4 sections of filtering circular arc lines, wherein two straightways of left and right are parallel to each other and perpendicular to the cylinder
The plane of symmetry before and after body；The polygon that is projected as trapezoidal and rectangle is composed of the cylinder on the plane of symmetry of front and back.
A square through hole A is machined in the front and back great circle cambered surface of the circular cylinder.
2 sections of great circle camber lines are located on same circumference, and arc length is equal.
The utility model has the advantages that by adopting the above-described technical solution, what the utility model was optimized using shape and size
Structure, by the Proper Match with related components in shape and structure, effectively increase base device bearing capacity and
Stability.Solve the problems, such as that unreasonable structural design influences the bearing capacity and job stability of entire base device；And it solves
The structure and size design for being associated with position with upper cap assembly, lower cover etc. are unreasonable, influence connection reliability, influence sealing effect
The problem of.Its simple in structure, good airproof performance, it is at low cost, there is wide applicability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the mansion view structure chart of Fig. 1.
Specific embodiment
One embodiment of the utility model is further described with reference to the accompanying drawing:
As shown in Figure 1, sealed tube in a kind of dedicated full-rotating drill base device, including front and back is rolled into symmetrically by steel plate
Circular cylinder, the cylinder in the horizontal plane be projected as closed ring curve, which includes 2 sections of front and back
Great circle camber line, 6 straightways and 4 sections of filtering circular arc lines, wherein two straightways of left and right are parallel to each other and perpendicular to the cylinder
The front and back plane of symmetry；2 sections of great circle camber lines are located on same circumference, and arc length is equal.The cylinder is on the plane of symmetry of front and back
The polygon for being projected as trapezoidal and rectangle and being composed, be machined with one in the front and back great circle cambered surface of the circular cylinder
Square through hole A.
Claims (3)
1. sealed tube in a kind of full-rotating drill base device, including the symmetrical circular cylinder in front and back, feature are rolled by steel plate
Be: the cylinder in the horizontal plane be projected as closed ring curve, which includes 2 sections of front and back orthodrome
Line, 6 straightways and 4 sections of filtering circular arc lines, wherein two straightways of left and right are parallel to each other and perpendicular to right before and after the cylinder
Title face；The polygon that is projected as trapezoidal and rectangle is composed of the cylinder on the plane of symmetry of front and back.
2. sealed tube in full-rotating drill base device according to claim 1, it is characterised in that: the circular cylinder
A square through hole A is machined in the great circle cambered surface of front and back.
3. sealed tube in full-rotating drill base device according to claim 1, it is characterised in that: 2 sections of orthodromes
Line is located on same circumference, and arc length is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821209159.4U CN208996645U (en) | 2018-07-29 | 2018-07-29 | Sealed tube in full-rotating drill base device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821209159.4U CN208996645U (en) | 2018-07-29 | 2018-07-29 | Sealed tube in full-rotating drill base device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208996645U true CN208996645U (en) | 2019-06-18 |
Family
ID=66797614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821209159.4U Active CN208996645U (en) | 2018-07-29 | 2018-07-29 | Sealed tube in full-rotating drill base device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208996645U (en) |
-
2018
- 2018-07-29 CN CN201821209159.4U patent/CN208996645U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant |