CN108907627A - A kind of tail shield bulk shortening and its processing method - Google Patents
A kind of tail shield bulk shortening and its processing method Download PDFInfo
- Publication number
- CN108907627A CN108907627A CN201810884993.1A CN201810884993A CN108907627A CN 108907627 A CN108907627 A CN 108907627A CN 201810884993 A CN201810884993 A CN 201810884993A CN 108907627 A CN108907627 A CN 108907627A
- Authority
- CN
- China
- Prior art keywords
- grease
- main body
- block main
- grease groove
- groove
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of tail shield bulk shortening and its processing methods, the bulk shortening includes muti-piece grease block main body, the grease block main body is the hardened structure of rectangular arc being welded by grease block main body leading portion and grease block main body back segment, and the thickness of grease block main body back segment is 10mm smaller than the thickness of grease block main body leading portion；The bulk shortening main body inner wall is equipped with the short grease groove and long grease groove being parallel to each other, and cover board is welded on the short grease groove and long grease groove of the bulk shortening main body inner wall, and patch ends are equipped with grease holes；The muti-piece grease block main body and the weldering of other shell groups constitute tail shield.The present invention divides housing 135 into several parts, processing before the elongated slot of bulk shortening is mentioned to welding, each bulk shortening and shield body shell group are welded into tail shield again after the completion, avoid welding needs large scale equipment to carry out grease groove processing after the completion, it reduces difficulty of processing and selects the flexibility of process equipment, fabrication cycle of the present invention is short, at low cost, easy processing, it is easy to operate.
Description
Technical field
The present invention relates to a kind of tail shield bulk shortening and its processing methods, belong to shield machine technical field.
Background technique
Shield machine shield body mainly has anterior shield, middle shield, tail shield at the diameter of shield body belongs to heavy processing in 6.5m or so
Part, shield tail shield are equipped with the elongated slot passed through for grease, and grease groove generally completes post-processing, processing in tail shield case weld
The cover board of grease groove is welded after out again.Since shield body is relatively large in diameter, weight is too heavy, and the processing of grease groove is needed to arrange in large size
It is processed on boring and milling machine, lifting positioning is inconvenient and tooling is needed to assist.Grease elongated slot as sharing seven groups on tail shield, on workpiece
Before work, pincers worker needs to mark the grease elongated slot in tail shield shield body processing position line and punching of drawing a design, and then boring machine is according to pincers worker
Draw position line bores elongated slot, and the hole of grease was drilled through in the end of elongated slot, after processing is completed again by grease groove bridge welding
On, workpiece, which needs to lift seven times, can just complete the process, at high cost, low efficiency long so as to cause the process-cycle, and account for for a long time
With large scale equipment (the machining state figure that Fig. 5 show shield body boring and milling grease groove).
Summary of the invention
The technical problem to be solved by the present invention is in view of the defects existing in the prior art, provide a kind of tail shield bulk shortening and
Its processing method.
In order to solve this technical problem, described the present invention provides a kind of tail shield bulk shortening, including muti-piece grease block main body
Grease block main body is the hardened structure of rectangular arc being welded by grease block main body leading portion and grease block main body back segment, the bulk shortening
The thickness of main body back segment is 10mm smaller than the thickness of grease block main body leading portion；The bulk shortening main body inner wall is equipped with and is parallel to each other
Short grease groove and long grease groove are welded with cover board on the short grease groove and long grease groove of the bulk shortening main body inner wall, described
Patch ends are equipped with grease holes；The muti-piece grease block main body and the weldering of other shell groups constitute tail shield.
The short grease groove and long grease groove are made of leading portion grease groove and back segment grease groove, wherein short grease groove and length
The leading portion grease groove of grease groove is isometric；Bottom wall depth 5mm of the back segment grease groove than leading portion grease groove.
The cover board includes front shroud, back shroud one and back shroud two, and the front shroud is welded on short grease groove and long oil
On the leading portion grease groove of rouge slot, back shroud one is welded on the back segment grease groove of short grease groove, and back shroud two is welded on long grease
On the back segment grease groove of slot.
The front shroud is 5mm bigger than the thickness of back shroud one and back shroud two, front shroud, back shroud one and rear cover after welding
The upper plane of plate two is concordant with the upper plane of grease block main body respectively.
The long grease groove is than short oil rouge flute length 710mm.
The grease block main body leading portion and grease block main body back segment are processed by steel plate fluting；Front shroud, back shroud
One and back shroud two be made of steel plate.
The present invention also provides a kind of processing methods of tail shield bulk shortening, include the following steps：
1) the front and back section blanking first, in accordance with size to tail shield shell, front shroud and back shroud one, back shroud two are by under figure
Material；
2) section before and after tail shield shell is rolled into cylinder, posterior segment internal diameter is 20mm bigger than leading portion, by two sections of weldering breaks
It is segmented into rectangular arc plate, i.e. grease block main body；
3) short grease groove and long grease groove are opened in grease block main body, grease groove back segment is than leading portion bottom wall depth 5mm；Front cover
Plate, back shroud one and back shroud second-speculation's nose circle process circular through hole, i.e. grease holes；
4) front shroud is welded on the leading portion grease groove of grease block main body；Back shroud one, back shroud two are welded on bulk shortening
On the back segment grease groove of main body.
Beneficial effect：The present invention divides housing 135 into several parts, processing before the elongated slot of bulk shortening is mentioned to welding, by after the completion of
Each bulk shortening and shield body shell group are welded into tail shield again, welding is avoided and large scale equipment progress grease groove is needed to add after the completion
Work reduces difficulty of processing and improves the flexibility for selecting process equipment, and present invention shortening fabrication cycle is short, reduces cost, has
It economizes on resources, is easy to process, easy to operate advantage.
Detailed description of the invention
Fig. 1 is structural representation front view of the invention；
Fig. 2 is the A-A schematic cross-sectional view of Fig. 1 of the present invention；
Fig. 3 is the B-B schematic cross-sectional view of Fig. 2 of the present invention；
Fig. 4 is the C-C schematic cross-sectional view of Fig. 2 of the present invention；
Fig. 5 is the machining state schematic diagram of shield body boring and milling grease groove in the prior art.
In figure：1 grease block main body leading portion, 2 grease block main body back segments, 3 front shrouds, 4 back shrouds one, 5 back shrouds two, 6 are short
Grease groove, 7 long grease grooves.
Specific embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
Fig. 1 show structural representation front view of the invention.
The present invention provides a kind of tail shield bulk shortening, including muti-piece grease block main body, the muti-piece grease block main body and its
He constitutes tail shield at the weldering of shell group.
The grease block main body is the rectangular arc plate being welded by grease block main body leading portion 1 and grease block main body back segment 2
Structure；The bulk shortening main body inner wall is equipped with the short grease groove 6 and long grease groove 7 that are parallel to each other, in the grease block main body
Cover board is welded on the short grease groove 6 and long grease groove 7 of wall, the patch ends are equipped with grease holes.
The thickness of the grease block main body back segment 2 is 10mm smaller than the thickness of grease block main body leading portion 1.
Fig. 2 show the A-A schematic cross-sectional view of Fig. 1 of the present invention.
The short grease groove 6 and long grease groove 7 are made of leading portion grease groove and back segment grease groove, wherein short grease groove 6
It is isometric with the leading portion grease groove of long grease groove 7；Bottom wall depth 5mm of the back segment grease groove than leading portion grease groove.
The long grease groove 7 is 710mm longer than short grease groove 6.
Fig. 3 show the B-B schematic cross-sectional view of Fig. 2 of the present invention.
Fig. 4 show the C-C schematic cross-sectional view of Fig. 2 of the present invention.
The cover board includes front shroud 3, back shroud 1 and back shroud 25, and the front shroud 3 is welded on short 6 He of grease groove
On the leading portion grease groove of long grease groove 7, back shroud 1 is welded on the back segment grease groove of short grease groove 6, and back shroud 25 welds
On the back segment grease groove of long grease groove 7.
The front shroud 3, back shroud 1 and 25 rounding end of back shroud are equipped with circular through hole.
The front shroud 3 is 5mm bigger than the thickness of back shroud 1 and back shroud 25, front shroud 3, back shroud 1 after welding
And the upper plane of back shroud 25 is concordant with the upper plane of grease block main body respectively.
The grease block main body leading portion 1 and grease block main body back segment 2 are processed by steel plate fluting.
The front shroud 3, back shroud 1 and back shroud 25 are made of steel plate.
The present invention also provides a kind of processing methods of tail shield bulk shortening, include the following steps：
1) the front and back section blanking first, in accordance with size to tail shield shell, front shroud 3 and back shroud 1, back shroud 25 are by figure
Blanking；
2) section before and after tail shield shell is rolled into cylinder, posterior segment internal diameter is 20mm bigger than leading portion, by two sections of weldering breaks
It is segmented into rectangular arc plate, i.e. grease block main body；
3) short grease groove 6 and long grease groove 7 are opened in grease block main body, grease groove back segment is than leading portion bottom wall depth 5mm；Front cover
Plate 3, back shroud 1 and 25 rounding end of back shroud process circular through hole, i.e. grease holes；
4) front shroud 3 is welded on the leading portion grease groove of grease block main body；Back shroud 1, back shroud 25 are welded on grease
On the back segment grease groove of block main body.
The present invention divides housing 135 into several parts, processing before the elongated slot of bulk shortening is mentioned to welding, again will be each by after the completion of
Bulk shortening and shield body shell group are welded into tail shield, avoid welding and large scale equipment is needed to carry out grease groove processing after the completion, reduce and add
Work difficulty and improve select process equipment flexibility, the present invention shorten fabrication cycle it is short, reduce cost, have economize on resources,
Easy to process, easy to operate advantage.
The embodiment above of the present invention, is merely illustrative, be not it is only, it is all within the scope of the present invention or it is equivalent this
Change in the range of invention is surrounded by the present invention.
Claims (7)
1. a kind of tail shield bulk shortening, it is characterised in that：Including muti-piece grease block main body, the grease block main body is by bulk shortening master
The hardened structure of rectangular arc that body leading portion (1) and grease block main body back segment (2) are welded, the thickness of the grease block main body back segment (2)
It spends 10mm smaller than the thickness of grease block main body leading portion (1)；The bulk shortening main body inner wall is equipped with the short grease groove being parallel to each other
(6) and long grease groove (7) it, is welded with cover board on the short grease groove (6) and long grease groove (7) of the bulk shortening main body inner wall,
The patch ends are equipped with grease holes；The muti-piece grease block main body and the weldering of other shell groups constitute tail shield.
2. tail shield bulk shortening according to claim 1, it is characterised in that：The short grease groove (6) and long grease groove (7) are equal
It is made of leading portion grease groove and back segment grease groove, wherein the leading portion grease groove of short grease groove (6) and long grease groove (7) is isometric；Institute
Bottom wall depth 5mm of the back segment grease groove stated than leading portion grease groove.
3. tail shield bulk shortening according to claim 2, it is characterised in that：The cover board includes front shroud (3), back shroud one
(4) it is welded on the leading portion grease groove of short grease groove (6) and long grease groove (7) with back shroud two (5), the front shroud (3), after
Cover board one (4) is welded on the back segment grease groove of short grease groove (6), and back shroud two (5) is welded on the back segment oil of long grease groove (7)
On rouge slot.
4. tail shield bulk shortening according to claim 3, it is characterised in that：The front shroud (3) than back shroud one (4) and after
The big 5mm of the thickness of cover board two (5), after welding the upper plane of front shroud (3), back shroud one (4) and back shroud two (5) respectively with oil
The upper plane of rouge block main body is concordant.
5. tail shield bulk shortening according to claim 1, it is characterised in that：The long grease groove (7) is longer than short grease groove (6)
710mm。
6. tail shield bulk shortening according to claim 1-5, it is characterised in that：The grease block main body leading portion (1)
It is processed into grease block main body back segment (2) by steel plate fluting；Front shroud (3), back shroud one (4) and back shroud two (5) are equal
It is made of steel plate.
7. a kind of processing method of tail shield bulk shortening as claimed in any one of claims 1 to 6, it is characterised in that：Including walking as follows
Suddenly：
1) the front and back section blanking first, in accordance with size to tail shield shell, front shroud (3) and back shroud one (4), back shroud two (5) are pressed
Figure blanking；
2) section before and after tail shield shell is rolled into cylinder, posterior segment internal diameter is 20mm bigger than leading portion, will be cut into after two sections of welding
Rectangular arc plate, i.e. grease block main body；
3) short grease groove (6) and long grease groove (7) are opened in grease block main body, grease groove back segment is than leading portion bottom wall depth 5mm；Front cover
Plate (3), back shroud one (4) and back shroud two (5) rounding end process circular through hole, i.e. grease holes；
4) front shroud (3) is welded on the leading portion grease groove of grease block main body；Back shroud one (4), back shroud two (5) are welded on oil
On the back segment grease groove of rouge block main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810884993.1A CN108907627A (en) | 2018-08-06 | 2018-08-06 | A kind of tail shield bulk shortening and its processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810884993.1A CN108907627A (en) | 2018-08-06 | 2018-08-06 | A kind of tail shield bulk shortening and its processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108907627A true CN108907627A (en) | 2018-11-30 |
Family
ID=64397353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810884993.1A Pending CN108907627A (en) | 2018-08-06 | 2018-08-06 | A kind of tail shield bulk shortening and its processing method |
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| Country | Link |
|---|---|
| CN (1) | CN108907627A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894269A (en) * | 2020-12-29 | 2021-06-04 | 中铁科工集团轨道交通装备有限公司 | Tail shield grouting block processing method |
-
2018
- 2018-08-06 CN CN201810884993.1A patent/CN108907627A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894269A (en) * | 2020-12-29 | 2021-06-04 | 中铁科工集团轨道交通装备有限公司 | Tail shield grouting block processing method |
| CN112894269B (en) * | 2020-12-29 | 2022-09-09 | 中铁科工集团轨道交通装备有限公司 | Tail shield grouting block processing method |
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