CN212563235U - Shaft heading machine - Google Patents
Shaft heading machine Download PDFInfo
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- CN212563235U CN212563235U CN202021337919.7U CN202021337919U CN212563235U CN 212563235 U CN212563235 U CN 212563235U CN 202021337919 U CN202021337919 U CN 202021337919U CN 212563235 U CN212563235 U CN 212563235U
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Abstract
The utility model discloses a shaft entry driving machine belongs to shaft construction technical field, including well head frame, driving piece, tunnelling blade disc and a plurality of arc steel pipe piece, a plurality of arc steel pipe piece end to end connect forms annular steel pipe, its characterized in that: the upper frame is provided with a holding device, the holding device comprises a plurality of holding oil cylinders, a plurality of holding blocks and a plurality of holding friction blocks, the lower frame is provided with a guiding propulsion device, the guiding propulsion device comprises a reset oil cylinder, a propulsion oil cylinder and a guiding friction block, the bottom of the annular steel pipe is fixedly connected with a shield body, and the driving piece is fixedly connected with the shield body. The utility model has simple structure, can reliably hold the arc-shaped steel pipe sheet and the shield body tightly, saves space for assembling the arc-shaped steel pipe sheet, not only improves the holding reliability, but also simplifies the construction process and has convenient assembly and disassembly; the shield body and the arc-shaped steel pipe sheet can be effectively prevented from rotating during shaft tunneling, the shaft tunneling reliability is improved, and the tunneling efficiency is further improved.
Description
Technical Field
The utility model relates to shaft construction technical field especially relates to a 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 the patent document adopts walking type boring to improve the working efficiency of the shaft boring machine, but the segment assembling space is narrow, the process is complex, and the disassembly and the assembly are inconvenient; the shield body and the duct piece are easy to rotate during shaft excavation, the shaft excavation reliability is low, and the excavation efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a shaft boring machine for overcoming the defects of the prior art, which has simple structure, can reliably hold the arc-shaped steel pipe sheet and the shield body tightly, saves space for assembling the arc-shaped steel pipe sheet, not only improves the reliability of holding tightly, but also simplifies the construction process and has convenient assembly and disassembly; the shield body and the arc-shaped steel pipe sheet can be effectively prevented from rotating during shaft tunneling, the shaft tunneling reliability is improved, and the tunneling efficiency is further improved.
The utility model discloses a following technical scheme realizes:
the utility model provides a shaft entry driving machine, includes well head frame, driving piece, tunnelling blade disc and a plurality of arc steel pipe piece, and a plurality of arc steel pipe piece end to end connect forms annular steel pipe, tunnelling blade disc and driving piece fixed connection, its characterized in that: the wellhead frame is of a split structure and comprises an upper frame and a lower frame, wherein the upper frame is provided with a holding device, the holding device 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 a holding oil cylinder for holding and releasing the holding blocks, the holding blocks form holding rings, the lower frame is provided with a guide propulsion device, the guide propulsion device comprises a reset oil cylinder, a propulsion oil cylinder and a guide friction block, one end of the reset oil cylinder is connected with the upper frame, the other end of the reset oil cylinder is connected with the lower frame, one end of the propulsion oil cylinder is fixed on the lower frame, the other end of the propulsion oil cylinder is connected with the guide friction blocks, the bottom of the annular steel pipe is fixedly connected with a shield body, and a driving piece is fixedly connected with the shield body.
The number of the holding oil cylinder, the number of the holding blocks and the number of the holding friction blocks are four.
The two guiding propulsion devices are symmetrically distributed along the central axis of the annular steel pipe.
The reset oil cylinder is vertically fixed between the upper frame and the lower frame.
The annular steel pipe is located in the clasping ring, and the clasping ring is located above the upper rack.
The beneficial effects of the utility model are mainly expressed in the following aspect:
1. the utility model discloses, the well head frame is split type structure, including upper frame and lower frame, upper frame installs on the device of holding tightly, the device of holding tightly includes a plurality of holding hydro-cylinders, a plurality of holding blocks and a plurality of holding friction block, holding friction block fixes on holding block inner wall, be provided with one on arbitrary two adjacent holding blocks and be used for holding tightly and relaxing holding the holding hydro-cylinder of holding tightly the block, a plurality of holding blocks form and hold tightly the ring, lower frame installs the direction advancing device, the direction advancing device includes reset hydro-cylinder, thrust hydro-cylinder and direction friction block, reset hydro-cylinder's one end and upper frame link, the other end and lower frame link, thrust hydro-cylinder's one end fixes on the lower frame, the other end and direction friction block link, the bottom fixedly connected with shield body of cyclic annular steel pipe, driving piece and shield body fixed connection, in use, holding hydro-cylinder withdrawal, holding ring closure, the holding friction block is in close contact with the outer surfaces of the arc-shaped steel pipe sheet and the shield body, the friction force of the holding friction block is greater than the weight of the arc-shaped steel pipe sheet and the shield body, and the holding friction block can reliably hold the arc-shaped steel pipe sheet and the shield body; the guide friction block is pressed on the outer wall of the annular steel pipe by the extension of the propulsion oil cylinder; the shield body and the arc-shaped steel pipe sheet can be effectively prevented from rotating during shaft tunneling, after one tunneling cycle is completed, the propulsion oil cylinder retracts, the reset oil cylinder resets, the lower rack is pulled towards the upper rack, the guide friction block is reset to the initial position of the next tunneling cycle, the guide friction block is pressed on the outer wall of the annular steel pipe through the propulsion oil cylinder again, and the next cyclic tunneling is carried out; compared with the prior art, the space can be saved for assembling the arc-shaped steel pipe sheets, the holding reliability is improved, the construction process is simplified, the dismounting and the mounting are convenient, the reliability of shaft tunneling is improved, and the tunneling efficiency is further improved.
2. The utility model discloses, hold the hydro-cylinder tightly, hold the piece tightly and hold the clutch blocks tightly and be four, can make holding the effort more even apply on arc steel pipe piece and shield body tightly, further guarantee holds stability tightly.
3. The utility model discloses, direction advancing device is two, and two direction advancing device can improve and compress tightly the effect along the central axis symmetric distribution of cyclic annular steel pipe, and the shield body and the arc steel pipe piece produce rotatoryly when preventing the shaft tunnelling.
4. The utility model discloses, the hydro-cylinder vertical fixation that resets can improve the stability that resets between last frame and lower frame, is convenient for reset fast.
5. The utility model discloses, cyclic annular steel pipe is located and embraces the ring, embraces the top that the ring is located the frame, goes up the frame and for embracing the ring and provide good support, does benefit to the stability of embracing tightly that improves and embraces the ring.
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;
the labels in the figure are: 1. the device comprises a driving piece, 2, a tunneling cutter head, 3, an annular steel pipe, 4, an upper frame, 5, a lower frame, 6, a holding oil cylinder, 7, a holding block, 8, a holding friction block, 9, a holding ring, 10, a reset oil cylinder, 11, a propelling oil cylinder, 12, a guide friction block, 13 and a shield body.
Detailed Description
Example 1
Referring to fig. 1 and 2, a shaft boring machine comprises a wellhead frame, a driving piece 1, a boring cutter head 2 and a plurality of arc-shaped steel pipe sheets, wherein the arc-shaped steel pipe sheets are connected end to form an annular steel pipe 3, the boring cutter head 2 is fixedly connected with the driving piece 1, the wellhead frame is of a split structure and comprises an upper frame 4 and a lower frame 5, a holding device is installed on the upper frame 4 and comprises a plurality of holding cylinders 6, a plurality of holding blocks 7 and a plurality of holding friction blocks 8, the holding friction blocks 8 are fixed on the inner walls of the holding blocks 7, a holding cylinder 6 for holding and releasing the holding blocks 7 is arranged on any two adjacent holding blocks 7, the holding blocks 7 form a holding ring 9, a guide propulsion device is installed on the lower frame 5 and comprises a reset cylinder 10, a propulsion cylinder 11 and a guide friction block 12, one end of the reset oil cylinder 10 is connected with the upper frame 4, the other end of the reset oil cylinder is connected with the lower frame 5, one end of the propulsion oil cylinder 11 is fixed on the lower frame 5, the other end of the propulsion oil cylinder is connected with the guide friction block 12, the bottom of the annular steel pipe 3 is fixedly connected with a shield body 13, and the driving piece 1 is fixedly connected with the shield body 13.
The embodiment is the most basic implementation mode, the wellhead frame is a split structure, and comprises an upper frame 4 and a lower frame 5, wherein the upper frame 4 is provided with a holding device, the holding device comprises a plurality of holding cylinders 6, a plurality of holding blocks 7 and a plurality of holding friction blocks 8, the holding friction blocks 8 are fixed on the inner walls of the holding blocks 7, any two adjacent holding blocks 7 are provided with one holding cylinder 6 for holding and releasing the holding blocks 7, the holding blocks 7 form a holding ring 9, the lower frame 5 is provided with a guiding and propelling device, the guiding and propelling device comprises a resetting cylinder 10, a propelling cylinder 11 and a guiding friction block 12, one end of the resetting cylinder 10 is connected with the upper frame 4, the other end of the resetting cylinder 10 is connected with the lower frame 5, one end of the propelling cylinder 11 is fixed on the lower frame 5, the other end of the resetting cylinder is connected with the guiding friction block 12, the bottom of the annular steel pipe 3 is fixedly connected with a shield body 13, the driving piece 1 is fixedly connected with the shield body 13, when the device is used, the holding oil cylinder 6 retracts, the holding ring 9 is closed, the holding friction block 8 is tightly contacted with the outer surfaces of the arc-shaped steel pipe sheet and the shield body 13, the friction force is greater than the weight of the arc-shaped steel pipe sheet and the shield body 13, and the arc-shaped steel pipe sheet and the shield body 13 can be reliably held tightly; the guide friction block 12 is pressed on the outer wall of the annular steel pipe 3 by extending the propulsion oil cylinder 11; the shield body 13 and the arc-shaped steel pipe sheet can be effectively prevented from rotating during shaft tunneling, after one tunneling cycle is completed, the propelling oil cylinder 11 retracts, the resetting oil cylinder 10 resets, the lower rack 5 is pulled towards the upper rack 4, the guiding friction block 12 is reset to the initial position of the next tunneling cycle, and the guiding friction block 12 is pressed on the outer wall of the annular steel pipe 3 through the propelling oil cylinder 11 again to conduct the next tunneling cycle; compared with the prior art, the space can be saved for assembling the arc-shaped steel pipe sheets, the holding reliability is improved, the construction process is simplified, the dismounting and the mounting are convenient, the reliability of shaft tunneling is improved, and the tunneling efficiency is further improved.
Example 2
Referring to fig. 1 and 2, a shaft boring machine comprises a wellhead frame, a driving piece 1, a boring cutter head 2 and a plurality of arc-shaped steel pipe sheets, wherein the arc-shaped steel pipe sheets are connected end to form an annular steel pipe 3, the boring cutter head 2 is fixedly connected with the driving piece 1, the wellhead frame is of a split structure and comprises an upper frame 4 and a lower frame 5, a holding device is installed on the upper frame 4 and comprises a plurality of holding cylinders 6, a plurality of holding blocks 7 and a plurality of holding friction blocks 8, the holding friction blocks 8 are fixed on the inner walls of the holding blocks 7, a holding cylinder 6 for holding and releasing the holding blocks 7 is arranged on any two adjacent holding blocks 7, the holding blocks 7 form a holding ring 9, a guide propulsion device is installed on the lower frame 5 and comprises a reset cylinder 10, a propulsion cylinder 11 and a guide friction block 12, one end of the reset oil cylinder 10 is connected with the upper frame 4, the other end of the reset oil cylinder is connected with the lower frame 5, one end of the propulsion oil cylinder 11 is fixed on the lower frame 5, the other end of the propulsion oil cylinder is connected with the guide friction block 12, the bottom of the annular steel pipe 3 is fixedly connected with a shield body 13, and the driving piece 1 is fixedly connected with the shield body 13.
The number of the holding oil cylinder 6, the number of the holding block 7 and the number of the holding friction block 8 are four.
This embodiment is a preferred implementation mode, holds cylinder 6 tightly, holds block 7 tightly and holds the clutch blocks 8 tightly and be four, can make holding the more even application of effort on arc steel pipe piece and shield 13 tightly, further guarantee to hold stability tightly.
Example 3
Referring to fig. 1 and 2, a shaft boring machine comprises a wellhead frame, a driving piece 1, a boring cutter head 2 and a plurality of arc-shaped steel pipe sheets, wherein the arc-shaped steel pipe sheets are connected end to form an annular steel pipe 3, the boring cutter head 2 is fixedly connected with the driving piece 1, the wellhead frame is of a split structure and comprises an upper frame 4 and a lower frame 5, a holding device is installed on the upper frame 4 and comprises a plurality of holding cylinders 6, a plurality of holding blocks 7 and a plurality of holding friction blocks 8, the holding friction blocks 8 are fixed on the inner walls of the holding blocks 7, a holding cylinder 6 for holding and releasing the holding blocks 7 is arranged on any two adjacent holding blocks 7, the holding blocks 7 form a holding ring 9, a guide propulsion device is installed on the lower frame 5 and comprises a reset cylinder 10, a propulsion cylinder 11 and a guide friction block 12, one end of the reset oil cylinder 10 is connected with the upper frame 4, the other end of the reset oil cylinder is connected with the lower frame 5, one end of the propulsion oil cylinder 11 is fixed on the lower frame 5, the other end of the propulsion oil cylinder is connected with the guide friction block 12, the bottom of the annular steel pipe 3 is fixedly connected with a shield body 13, and the driving piece 1 is fixedly connected with the shield body 13.
The number of the holding oil cylinder 6, the number of the holding block 7 and the number of the holding friction block 8 are four.
The number of the guide propelling devices is two, and the two guide propelling devices are symmetrically distributed along the central axis of the annular steel pipe 3.
In the present embodiment, two guiding and propelling devices are provided, and the two guiding and propelling devices are symmetrically distributed along the central axis of the annular steel tube 3, so that the pressing effect can be improved, and the shield body 13 and the arc-shaped steel tube sheet can be prevented from rotating during shaft excavation.
Example 4
Referring to fig. 1 and 2, a shaft boring machine comprises a wellhead frame, a driving piece 1, a boring cutter head 2 and a plurality of arc-shaped steel pipe sheets, wherein the arc-shaped steel pipe sheets are connected end to form an annular steel pipe 3, the boring cutter head 2 is fixedly connected with the driving piece 1, the wellhead frame is of a split structure and comprises an upper frame 4 and a lower frame 5, a holding device is installed on the upper frame 4 and comprises a plurality of holding cylinders 6, a plurality of holding blocks 7 and a plurality of holding friction blocks 8, the holding friction blocks 8 are fixed on the inner walls of the holding blocks 7, a holding cylinder 6 for holding and releasing the holding blocks 7 is arranged on any two adjacent holding blocks 7, the holding blocks 7 form a holding ring 9, a guide propulsion device is installed on the lower frame 5 and comprises a reset cylinder 10, a propulsion cylinder 11 and a guide friction block 12, one end of the reset oil cylinder 10 is connected with the upper frame 4, the other end of the reset oil cylinder is connected with the lower frame 5, one end of the propulsion oil cylinder 11 is fixed on the lower frame 5, the other end of the propulsion oil cylinder is connected with the guide friction block 12, the bottom of the annular steel pipe 3 is fixedly connected with a shield body 13, and the driving piece 1 is fixedly connected with the shield body 13.
The number of the holding oil cylinder 6, the number of the holding block 7 and the number of the holding friction block 8 are four.
The number of the guide propelling devices is two, and the two guide propelling devices are symmetrically distributed along the central axis of the annular steel pipe 3.
The reset oil cylinder 10 is vertically fixed between the upper frame 4 and the lower frame 5.
The annular steel pipe 3 is positioned in the clasping ring 9, and the clasping ring 9 is positioned above the upper frame 4.
In the preferred embodiment, the reset cylinder 10 is vertically fixed between the upper frame 4 and the lower frame 5, so that the reset stability can be improved, and the quick reset is facilitated.
Claims (5)
1. The utility model provides a shaft heading machine, includes well head frame, driving piece (1), tunnelling blade disc (2) and a plurality of arc steel pipe piece, and a plurality of arc steel pipe piece end to end connection form cyclic annular steel pipe (3), tunnelling blade disc (2) and driving piece (1) fixed connection, its characterized in that: the wellhead frame is of a split structure and comprises an upper frame (4) and a lower frame (5), wherein the upper frame (4) is provided with a holding device, the holding device comprises a plurality of holding oil cylinders (6), a plurality of holding blocks (7) and a plurality of holding friction blocks (8), the holding friction blocks (8) are fixed on the inner wall of the holding blocks (7), any two adjacent holding blocks (7) are provided with one holding oil cylinder (6) for holding and loosening the holding blocks (7), the plurality of holding blocks (7) form holding rings (9), the lower frame (5) is provided with a guide propulsion device, the guide propulsion device comprises a reset oil cylinder (10), a propulsion oil cylinder (11) and a guide friction block (12), one end of the reset oil cylinder (10) is connected with the upper frame (4), the other end of the reset oil cylinder is connected with the lower frame (5), one end of the propulsion oil cylinder (11) is fixed on the lower frame (5), the other end is connected with a guide friction block (12), the bottom of the annular steel pipe (3) is fixedly connected with a shield body (13), and the driving piece (1) is fixedly connected with the shield body (13).
2. A shaft boring machine according to claim 1, wherein: the number of the holding oil cylinder (6), the number of the holding block (7) and the number of the holding friction block (8) are four.
3. A shaft boring machine according to claim 1, wherein: the number of the guide propelling devices is two, and the two guide propelling devices are symmetrically distributed along the central axis of the annular steel pipe (3).
4. A shaft boring machine according to claim 1, wherein: the reset oil cylinder (10) is vertically fixed between the upper frame (4) and the lower frame (5).
5. A shaft boring machine according to claim 1, wherein: the annular steel pipe (3) is positioned in the clasping ring (9), and the clasping ring (9) is positioned above the upper rack (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021337919.7U CN212563235U (en) | 2020-07-09 | 2020-07-09 | Shaft heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021337919.7U CN212563235U (en) | 2020-07-09 | 2020-07-09 | Shaft heading machine |
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| Publication Number | Publication Date |
|---|---|
| CN212563235U true CN212563235U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021337919.7U Active CN212563235U (en) | 2020-07-09 | 2020-07-09 | Shaft heading machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135292A (en) * | 2021-11-30 | 2022-03-04 | 中国铁建重工集团股份有限公司 | Shaft heading machine and modular multiplexing shield thereof |
-
2020
- 2020-07-09 CN CN202021337919.7U patent/CN212563235U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135292A (en) * | 2021-11-30 | 2022-03-04 | 中国铁建重工集团股份有限公司 | Shaft heading machine and modular multiplexing shield thereof |
| CN114135292B (en) * | 2021-11-30 | 2024-05-07 | 中国铁建重工集团股份有限公司 | Shaft development machine and modularized multiplexing shield body thereof |
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