CN212563237U - Holding device suitable for shaft heading machine - Google Patents
Holding device suitable for shaft heading machine Download PDFInfo
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- CN212563237U CN212563237U CN202021337965.7U CN202021337965U CN212563237U CN 212563237 U CN212563237 U CN 212563237U CN 202021337965 U CN202021337965 U CN 202021337965U CN 212563237 U CN212563237 U CN 212563237U
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Abstract
The utility model discloses a device is held to cohesion suitable for shaft entry driving machine belongs to shaft construction technical field, including well head frame, shield body and a plurality of arc steel-pipe piece, a plurality of arc steel-pipe piece end to end connection form annular steel pipe, its characterized in that: install in the well head frame and hold the mechanism, hold the mechanism and include a plurality of hydro-cylinders of holding, a plurality of piece and a plurality of rubbing block of holding, hold the rubbing block and fix on holding a piece inner wall, arbitrary two adjacent holding is provided with one on the piece and is used for tightening up and relaxs and hold the hydro-cylinder of holding the piece, a plurality of piece formations of holding are held and are lived the ring, the bottom of holding the ring is provided with the guide block, be provided with in the well head frame and be used for the gliding guide rail groove of guide block, hold the ring and pass through guide block and well head frame sliding connection. The utility model discloses simple structure can reliably hold arc steel-pipe piece and shield body, for arc steel-pipe piece equipment practices thrift the space, has not only improved and has held the reliability, has simplified construction process moreover, easy dismounting.
Description
Technical Field
The utility model relates to shaft construction technical field especially relates to a hold device suitable for shaft entry driving machine.
Background
The shaft-like pipe with vertical wall is called vertical shaft, and the vertical shaft is a kind of collapse funnel. The vertical shaft is square, long strip or irregular round in plane outline. The strips develop along one set of joints, and the squares or circles develop along two sets of joints. The well wall is steep and nearly vertical.
The vertical shaft is widely applied to water taking, water diversion, ventilation and air exhaust, slag sliding and air supplement of water conservancy and hydropower engineering, and the vertical shaft construction has the characteristics of small occupied area and less interference on peripheral construction. However, the safety risk of shaft construction is prominent due to small shaft construction space, long construction period, high ascending, multiple edge operations and inconvenient passage.
The vertical shaft plays an important role in underground engineering, and the application range of the vertical shaft is wider and wider. At present, a common shaft sinking method is commonly adopted in shaft construction, and the existing heading machine has the problems of low excavation speed, complex structure, difficulty in providing propelling force, long segment assembling process and flow and inconvenience in equipment disassembly and assembly; and the mechanization degree is lower, and the safety risk is large.
Chinese patent publication No. CN 110671113a, published as 2020, 01, 10 discloses a shaft boring machine, which is characterized by comprising: the outer ring cutter head is movably sleeved on the outer ring of the central cutter head; the central driving mechanism and the outer ring driving mechanism are respectively used for connecting the central cutter head and the outer ring cutter head and driving the central cutter head and the outer ring cutter head to rotate; the central driving mechanism is connected to the shield body through a telescopic central driving and pushing mechanism, and the outer ring driving mechanism is connected to the shield body.
The shaft boring machine disclosed in this patent document performs boring work in a walking type boring state, but the holding manner structure of the segment and the shield is complicated, and there are problems of a narrow segment assembling space, a complicated procedure, and inconvenience in disassembly and assembly.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art's defect, provide a device is held to be applicable to shaft entry driving machine, the utility model discloses simple structure can reliably hold arc steel-pipe piece and shield body, for arc steel-pipe piece equipment practices thrift the space, has not only improved and has held the reliability, has simplified construction process moreover, easy dismounting.
The utility model discloses a following technical scheme realizes:
the utility model provides a embrace device suitable for shaft entry driving machine, includes well head frame, shield body and a plurality of arc steel pipe piece, and a plurality of arc steel pipe piece end to end connect forms annular steel pipe, its characterized in that: the wellhead rack is provided with a holding mechanism, the holding mechanism comprises a plurality of holding oil cylinders, a plurality of holding blocks and a plurality of holding friction blocks, the holding friction blocks are fixed on the inner walls of the holding blocks, any two adjacent holding blocks are provided with one holding oil cylinder for tightening and loosening the holding blocks, the plurality of holding blocks form a holding ring, the bottom of the holding ring is provided with a guide block, the wellhead rack is provided with a guide rail groove for sliding the guide block, and the holding ring is connected with the wellhead rack in a sliding manner through the guide block.
The annular steel pipe is positioned in the holding ring, and the holding ring is positioned above the wellhead frame.
The number of the holding oil cylinder, the holding block and the holding friction block is four.
The guide block is four, and any holding block is fixedly connected with a guide block.
The guide rail grooves are four, and any two adjacent guide rail grooves are perpendicular to each other after passing through the extension lines of the central axes of the annular steel pipes.
The working principle of the utility model is as follows:
the holding friction block is fixed on the inner wall of the holding block, and is contacted with the arc-shaped steel pipe sheet and the outer surface of the shield body under the holding working condition; any two adjacent holding blocks are provided with a holding oil cylinder for tightening and loosening the holding blocks, the holding oil cylinder stretches to adjust the distance between the adjacent holding blocks, namely, the diameter of the whole holding ring is adjusted, the inner diameter of the holding ring is larger than the outer diameters of the annular steel pipe and the shield body in an open state, the inner diameter of the holding ring is smaller than the outer diameters of the annular steel pipe and the shield body in a closed state, the guide blocks of the holding ring are arranged in the guide rail groove of the wellhead frame, the holding oil cylinders simultaneously act to drive the holding ring to do centripetal motion, and therefore the change of the inner diameter of the holding ring is achieved.
The holding ring is in a closed state, the holding oil cylinder retracts, the friction block is held to be in close contact with the outer surfaces of the arc-shaped steel pipe sheet and the shield body, the friction force of the friction block is larger than the weight of the arc-shaped steel pipe sheet and the weight of the shield body, the arc-shaped steel pipe sheet and the shield body can be reliably held, the arc-shaped steel pipe sheet is assembled, the upper space required by the assembly of the arc-shaped steel pipe sheet is not occupied, the holding reliability is improved, and the construction process is simplified.
The beneficial effects of the utility model are mainly expressed in the following aspect:
the utility model discloses a, install on the well head frame and hold the mechanism, hold the mechanism and include a plurality of hydro-cylinders of holding, a plurality of piece and a plurality of clutch blocks of holding, hold the clutch block and fix on holding the piece inner wall, arbitrary two adjacent hold and be provided with one on the piece and be used for tightening up and relaxing the holding hydro-cylinder of holding the piece, a plurality of holding the piece and form and hold the ring, the bottom of holding the ring is provided with the guide block, be provided with the guide rail groove that is used for the guide block slip on the well head frame, hold the ring and pass through guide block and well head frame sliding connection, in use, hold the hydro-cylinder withdrawal, hold the ring closure, hold the clutch block and the outer surface in close contact with of arc steel pipe piece and shield body, its frictional force is greater than the weight of arc steel pipe piece and shield body, compared with current technology, moreover, the structure is simple, can reliably hold arc steel pipe piece and shield body, for arc steel pipe piece equipment saves space, not only improved and hold the reliability, and the construction process is simplified, and the disassembly and the assembly are convenient.
Two, the utility model discloses, cyclic annular steel pipe is located and holds the intra-annular, holds the top that the ring is located the well head frame, and the well head frame does benefit to the improvement and holds stability of holding the ring for holding the ring and providing good support.
Three, the utility model discloses, hold the hydro-cylinder, hold the piece and hold the clutch blocks and be four, can make holding more even applying of effort on arc steel pipe piece and shield body, further guarantee holding stability.
Four, the utility model discloses, the guide block is four, and arbitrary one holds guide block of equal fixedly connected with on the piece, can make whole holding that the ring is smooth and easy realize closed and open in the well head frame.
Fifthly, the utility model discloses, the guide rail groove is four, and two arbitrary adjacent guide rail grooves pass the extension line mutually perpendicular of cyclic annular steel pipe the central axis, can do benefit to the quick opening and shutting that realizes holding the ring under the structural strength of guarantee well head frame.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a schematic structural view of the holding block of the present invention;
the labels in the figure are: 1. the device comprises a wellhead frame, 2, a shield body, 3, an annular steel pipe, 4, a holding oil cylinder, 5, a holding block, 6, a holding friction block, 7, a holding ring, 8, a guide block, 9 and a guide rail groove.
Detailed Description
Example 1
Referring to fig. 1-3, a holding device suitable for a shaft boring machine comprises a wellhead frame 1, a shield body 2 and a plurality of arc-shaped steel pipe pieces, wherein the arc-shaped steel pipe pieces are connected end to form an annular steel pipe 3, the wellhead frame 1 is provided with a holding mechanism, the holding mechanism comprises a plurality of holding oil cylinders 4, a plurality of holding blocks 5 and a plurality of holding friction blocks 6, the holding friction blocks 6 are fixed on the inner walls of the holding blocks 5, any two adjacent holding blocks 5 are provided with one holding oil cylinder 4 for tightening and loosening the holding block 5, the holding blocks 5 form a holding ring 7, the bottom of the holding ring 7 is provided with a guide block 8, the wellhead frame 1 is provided with a guide rail groove 9 for sliding of the guide block 8, and the holding ring 7 is connected with the wellhead frame 1 in a sliding manner through the guide block 8.
The embodiment is the most basic embodiment, the wellhead frame 1 is provided with a holding mechanism, the holding mechanism comprises a plurality of holding cylinders 4, a plurality of holding blocks 5 and a plurality of holding friction blocks 6, the holding friction blocks 6 are fixed on the inner walls of the holding blocks 5, any two adjacent holding blocks 5 are provided with one holding cylinder 4 for tightening and loosening the holding block 5, the plurality of holding blocks 5 form a holding ring 7, the bottom of the holding ring 7 is provided with a guide block 8, the wellhead frame 1 is provided with a guide rail groove 9 for sliding of the guide block 8, the holding ring 7 is connected with the wellhead frame 1 in a sliding way through the guide block 8, when in use, the holding cylinders 4 retract, the holding ring 7 is closed, the holding friction blocks 6 are tightly contacted with the outer surfaces of the arc-shaped steel pipe sheets and the shield body 2, the friction force of the holding mechanism is larger than the weight of the arc-shaped steel pipe sheets and the shield body 2, compared with the prior art, the structure is simple, can reliably hold arc steel-pipe piece and shield body 2, practice thrift the space for the equipment of arc steel-pipe piece, not only improve and hold the reliability, simplify construction process moreover, easy dismounting.
Example 2
Referring to fig. 1-3, a holding device suitable for a shaft boring machine comprises a wellhead frame 1, a shield body 2 and a plurality of arc-shaped steel pipe pieces, wherein the arc-shaped steel pipe pieces are connected end to form an annular steel pipe 3, the wellhead frame 1 is provided with a holding mechanism, the holding mechanism comprises a plurality of holding oil cylinders 4, a plurality of holding blocks 5 and a plurality of holding friction blocks 6, the holding friction blocks 6 are fixed on the inner walls of the holding blocks 5, any two adjacent holding blocks 5 are provided with one holding oil cylinder 4 for tightening and loosening the holding block 5, the holding blocks 5 form a holding ring 7, the bottom of the holding ring 7 is provided with a guide block 8, the wellhead frame 1 is provided with a guide rail groove 9 for sliding of the guide block 8, and the holding ring 7 is connected with the wellhead frame 1 in a sliding manner through the guide block 8.
The annular steel pipe 3 is positioned in the holding ring 7, and the holding ring 7 is positioned above the wellhead rack 1.
In this embodiment, the annular steel pipe 3 is located in the holding ring 7, the holding ring 7 is located above the wellhead housing 1, and the wellhead housing 1 provides a good support for the holding ring 7, which is beneficial to improving the holding stability of the holding ring 7.
Example 3
Referring to fig. 1-3, a holding device suitable for a shaft boring machine comprises a wellhead frame 1, a shield body 2 and a plurality of arc-shaped steel pipe pieces, wherein the arc-shaped steel pipe pieces are connected end to form an annular steel pipe 3, the wellhead frame 1 is provided with a holding mechanism, the holding mechanism comprises a plurality of holding oil cylinders 4, a plurality of holding blocks 5 and a plurality of holding friction blocks 6, the holding friction blocks 6 are fixed on the inner walls of the holding blocks 5, any two adjacent holding blocks 5 are provided with one holding oil cylinder 4 for tightening and loosening the holding block 5, the holding blocks 5 form a holding ring 7, the bottom of the holding ring 7 is provided with a guide block 8, the wellhead frame 1 is provided with a guide rail groove 9 for sliding of the guide block 8, and the holding ring 7 is connected with the wellhead frame 1 in a sliding manner through the guide block 8.
The annular steel pipe 3 is positioned in the holding ring 7, and the holding ring 7 is positioned above the wellhead rack 1.
The number of the holding oil cylinder 4, the holding block 5 and the holding friction block 6 is four.
In this embodiment, four holding cylinders 4, four holding blocks 5 and four holding friction blocks 6 are provided, so that holding force can be more uniformly applied to the arc-shaped steel pipe sheet and the shield body 2, and holding stability can be further ensured.
Example 4
Referring to fig. 1-3, a holding device suitable for a shaft boring machine comprises a wellhead frame 1, a shield body 2 and a plurality of arc-shaped steel pipe pieces, wherein the arc-shaped steel pipe pieces are connected end to form an annular steel pipe 3, the wellhead frame 1 is provided with a holding mechanism, the holding mechanism comprises a plurality of holding oil cylinders 4, a plurality of holding blocks 5 and a plurality of holding friction blocks 6, the holding friction blocks 6 are fixed on the inner walls of the holding blocks 5, any two adjacent holding blocks 5 are provided with one holding oil cylinder 4 for tightening and loosening the holding block 5, the holding blocks 5 form a holding ring 7, the bottom of the holding ring 7 is provided with a guide block 8, the wellhead frame 1 is provided with a guide rail groove 9 for sliding of the guide block 8, and the holding ring 7 is connected with the wellhead frame 1 in a sliding manner through the guide block 8.
The annular steel pipe 3 is positioned in the holding ring 7, and the holding ring 7 is positioned above the wellhead rack 1.
The number of the holding oil cylinder 4, the holding block 5 and the holding friction block 6 is four.
The number of the guide blocks 8 is four, and one guide block 8 is fixedly connected to any holding block 5.
In this embodiment, four guide blocks 8 are provided, and one guide block 8 is fixedly connected to any one of the holding blocks 5, so that the whole holding ring 7 can be smoothly closed and opened on the wellhead housing 1.
Example 5
Referring to fig. 1-3, a holding device suitable for a shaft boring machine comprises a wellhead frame 1, a shield body 2 and a plurality of arc-shaped steel pipe pieces, wherein the arc-shaped steel pipe pieces are connected end to form an annular steel pipe 3, the wellhead frame 1 is provided with a holding mechanism, the holding mechanism comprises a plurality of holding oil cylinders 4, a plurality of holding blocks 5 and a plurality of holding friction blocks 6, the holding friction blocks 6 are fixed on the inner walls of the holding blocks 5, any two adjacent holding blocks 5 are provided with one holding oil cylinder 4 for tightening and loosening the holding block 5, the holding blocks 5 form a holding ring 7, the bottom of the holding ring 7 is provided with a guide block 8, the wellhead frame 1 is provided with a guide rail groove 9 for sliding of the guide block 8, and the holding ring 7 is connected with the wellhead frame 1 in a sliding manner through the guide block 8.
The annular steel pipe 3 is positioned in the holding ring 7, and the holding ring 7 is positioned above the wellhead rack 1.
The number of the holding oil cylinder 4, the holding block 5 and the holding friction block 6 is four.
The number of the guide blocks 8 is four, and one guide block 8 is fixedly connected to any holding block 5.
The number of the guide rail grooves 9 is four, and the extension lines of any two adjacent guide rail grooves 9 penetrating through the central axis of the annular steel pipe 3 are perpendicular to each other.
The embodiment is the best implementation mode, and the guide rail groove 9 is four, and two arbitrary adjacent guide rail grooves 9 pass the extension line mutually perpendicular of cyclic annular steel pipe 3 the central axis, can be under the structural strength of guarantee well head frame 1, do benefit to the quick realization and hold opening and shutting of ring 7.
Claims (5)
1. The utility model provides a embrace device suitable for shaft entry driving machine, includes well head frame (1), shield body (2) and a plurality of arc steel-pipe piece, a plurality of arc steel-pipe piece end to end connection form cyclic annular steel pipe (3), its characterized in that: install on well head frame (1) and hold the mechanism, hold the mechanism and include a plurality of hydro-cylinder (4) of holding, a plurality of hold piece (5) and a plurality of friction block (6) of holding, hold friction block (6) and fix on holding piece (5) inner wall, arbitrary two adjacent hold be provided with one on piece (5) be used for tightening up and relax hold hydro-cylinder (4) of holding piece (5), a plurality of hold piece (5) formation and hold ring (7), the bottom of holding ring (7) is provided with guide block (8), is provided with on well head frame (1) and is used for guide block (8) gliding guide rail groove (9), hold ring (7) through guide block (8) and well head frame (1) sliding connection.
2. A holding device suitable for a shaft boring machine according to claim 1, wherein: the annular steel pipe (3) is positioned in the holding ring (7), and the holding ring (7) is positioned above the wellhead rack (1).
3. A holding device suitable for a shaft boring machine according to claim 1, wherein: the number of the holding oil cylinder (4), the holding block (5) and the holding friction block (6) is four.
4. A holding device suitable for a shaft boring machine according to claim 1, wherein: the number of the guide blocks (8) is four, and any one of the holding blocks (5) is fixedly connected with one guide block (8).
5. A holding device suitable for a shaft boring machine according to claim 1, wherein: the number of the guide rail grooves (9) is four, and the extension lines of any two adjacent guide rail grooves (9) penetrating through the central axis of the annular steel pipe (3) are mutually perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021337965.7U CN212563237U (en) | 2020-07-09 | 2020-07-09 | Holding device suitable for shaft heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021337965.7U CN212563237U (en) | 2020-07-09 | 2020-07-09 | Holding device suitable for shaft heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212563237U true CN212563237U (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021337965.7U Active CN212563237U (en) | 2020-07-09 | 2020-07-09 | Holding device suitable for shaft heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212563237U (en) |
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2020
- 2020-07-09 CN CN202021337965.7U patent/CN212563237U/en active Active
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