CN112196562A - Multi-section split type rotary joint for slurry shield - Google Patents
Multi-section split type rotary joint for slurry shield Download PDFInfo
- Publication number
- CN112196562A CN112196562A CN202011076148.5A CN202011076148A CN112196562A CN 112196562 A CN112196562 A CN 112196562A CN 202011076148 A CN202011076148 A CN 202011076148A CN 112196562 A CN112196562 A CN 112196562A
- Authority
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- China
- Prior art keywords
- medium channel
- medium
- seal groove
- casing
- mounting hole
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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
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- 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
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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- 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
Abstract
The invention provides a rotary joint for a multi-section split type slurry shield, which comprises a shell and a sleeve, the shell is fixedly connected with the sleeve through a connecting frame, a rotating shaft is rotatably arranged in the shell, the left part of the sleeve is rotatably provided with a connecting shaft, the right part of the sleeve is provided with a first medium channel along the axial direction, a second medium channel is arranged in the rotating shaft along the axial direction, a third medium channel is arranged in the connecting shaft along the axial direction, the processing difficulty and the manufacturing cost are greatly reduced through the multi-section structural design, the medium channel with large drift diameter is formed by communicating the first medium channel, the second medium channel and the third medium channel and is used for conveying slurry, meanwhile, the medium channels are arranged on the side walls of the rotating shaft and the shell to provide improved media, so that the feeding of the improved media is separated from the discharging of slurry, and the leakage problem between the feeding of the improved media and the discharging of the slurry is avoided.
Description
Technical Field
The invention relates to the field of manufacture of rotary joints, in particular to a rotary joint for a multi-section split type slurry shield.
Background
The basic working principle of the shield tunneling machine is that a cylindrical steel component is pushed forwards along the axis of the tunnel to excavate soil. Excavation is implemented to the blade disc when shield structure machine is worked, the work of soil property improvement is carried out to the excavation portion of blade disc to the while, the improvement medium that generally uses is water, foam or bentonite, the blade disc is in size running state, need input improvement medium and the mud transportation discharge that will dig out through rotary joint, rotary joint for shield structure machine among the prior art generally is overall structure, the processing degree of difficulty is big, the processing cost is high, and all connect medium channel and mud channel through the shell, this has caused the passageway flow little, easy jam, and take place the scheduling problem of leaking easily between the medium.
Disclosure of Invention
The invention aims to solve the technical problems that a rotary joint for a shield tunneling machine in the prior art is generally of an integral structure, the machining difficulty is high, the machining cost is high, and a medium channel and a slurry channel are connected through a shell, so that the channel flow is small, the blockage is easy, and the leakage is easy to occur between the media.
The technical scheme adopted by the invention for solving the technical problems is as follows: a rotary joint for a multi-section split type slurry shield comprises a shell and a sleeve, wherein the shell is fixedly connected with the sleeve through a connecting frame, a first mounting hole penetrating through the shell is formed in the shell in the axial direction, a second mounting hole is formed in the left part of the sleeve in the axial direction, a first medium channel is formed in the right part of the sleeve in the axial direction, the first mounting hole and the second mounting hole are coaxially arranged, a rotary shaft is rotatably mounted in the first mounting hole, a connecting shaft is rotatably mounted in the second mounting hole, the left end face of the rotary shaft is fixedly connected with the right end face of the connecting shaft, a second medium channel is formed in the rotary shaft in the axial direction, a third medium channel is formed in the connecting shaft in the axial direction, and the first medium channel is communicated with the second medium channel through the third medium channel; the rotating shaft is further provided with a fourth medium channel, the side wall of the shell is provided with a medium inlet, the outer wall of the rotating shaft is provided with a medium outlet, and the medium inlet is communicated with the medium outlet through the fourth medium channel.
Further: the rotary joint further comprises an installation sleeve, the installation sleeve is arranged on the connecting shaft and fixedly installed on the left end face of the sleeve through a bolt, a first bearing is arranged between the installation sleeve and the connecting shaft, the outer ring of the first bearing is attached to the inner wall of the installation sleeve, the inner ring of the first bearing is attached to the outer wall of the connecting shaft, an end cover is fixedly installed at the left end of the installation sleeve, and the end cover is arranged on the connecting shaft.
Further: and second bearings are respectively arranged on the left side and the right side of the medium inlet in the shell, the outer ring of each second bearing is attached to the shell, and the inner ring of each bearing is attached to the outer wall of the rotating shaft.
Further: all be equipped with first seal groove on the sheathed tube inner wall, first seal groove sets up along circumference, the quantity of first seal groove is a plurality of, and is a plurality of first seal groove is along axial evenly distributed, adjacent two be provided with the lubrication groove between the first seal groove, still be equipped with first oiling mouth on the sleeve pipe, first oiling mouth with the lubrication groove is linked together, install first sealing washer in the first seal groove.
Further: and a second sealing ring is arranged at the bottom of the second mounting hole and is in sealing contact with the right end face of the connecting shaft.
Further: be equipped with the second oiling mouth on the casing, through the second oiling mouth can to pour into lubricating oil into in the second bearing, on the inner wall of casing, be located the medium import with be equipped with the second seal groove between the second oiling mouth, the second seal groove sets up along circumference, install the third sealing washer in the second seal groove.
The invention has the advantages that the rotary joint for the multi-section split type slurry shield is designed in a multi-section structure, the rotating part consists of the rotary shaft and the connecting shaft, the fixing part consists of the shell and the sleeve, the processing difficulty and the manufacturing cost are greatly reduced, meanwhile, the medium channels with large drift diameters are arranged in the rotary shaft, the connecting shaft and the sleeve and are used for conveying slurry, the medium channels are arranged on the side walls of the rotary shaft and the shell to provide improved media, the feeding of the improved media is separated from the discharging of the slurry, and the leakage problem between the rotary shaft, the connecting shaft and the sleeve is avoided.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a swivel joint for a multi-section split type slurry shield according to the present invention;
in the figure, the bearing comprises a shell 1, a shell 2, a sleeve 3, a connecting frame 6, a first medium channel 7, a rotating shaft 8, a connecting shaft 9, a second medium channel 10, a third medium channel 11, a fourth medium channel 12, a medium inlet 13, a medium outlet 20, a mounting sleeve 21, a first shaft sleeve 22, an end cover 23, a second bearing 24, a first sealing groove 25, a lubricating oil groove 26, a first oil filling opening 27, a first sealing ring 28, a second sealing ring 30, a second oil filling opening 31 and a second sealing groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
As shown in figure 1, the invention provides a rotary joint for a multi-section split type slurry shield, which comprises a shell 1 and a sleeve 2, the shell 1 is fixedly connected with the sleeve 2 through a connecting frame 3, a first through mounting hole is arranged in the shell 1 along the axial direction, a second mounting hole is axially arranged at the left part of the sleeve 2, a first medium channel 6 is axially arranged at the right part of the sleeve 2, the first mounting hole and the second mounting hole are coaxially arranged, a rotating shaft 7 is rotatably mounted in the first mounting hole, a connecting shaft 8 is rotatably arranged in the second mounting hole, the left end surface of the rotating shaft 7 is fixedly connected with the right end surface of the connecting shaft 8, a second medium channel 9 is arranged in the rotating shaft 7 along the axial direction, a third medium channel 10 is arranged in the connecting shaft 8 along the axial direction, the first medium passage 6 and the second medium passage 9 communicate through the third medium passage 10; the rotating shaft 7 is further provided with a fourth medium channel 11, the side wall of the shell 1 is provided with a medium inlet 12, the outer wall of the rotating shaft 7 is provided with a medium outlet 13, and the medium inlet 12 is communicated with the medium outlet 13 through the fourth medium channel 11.
Through the design of multisection formula structure, the rotation portion comprises pivot 7 and connecting axle 8 two parts, and the fixed part comprises casing 1 and sleeve pipe 2, very big reduction the processing degree of difficulty and manufacturing cost, be used for carrying mud through set up the medium passageway of big latus rectum in pivot 7, connecting axle 8 and sleeve pipe 2 simultaneously, set up the medium passageway on the lateral wall of pivot 7 and casing 1 and provide the improvement medium for the feeding of improvement medium is separated with the ejection of compact of mud, has avoided the leakage problem between the two.
Swivel joint still includes installation cover 20, installation cover 20 cover is established on connecting axle 8 to through bolt fixed mounting on the left end face of sleeve pipe 2, installation cover 20 with be provided with first bearing 21 between the connecting axle 8, first bearing 21's outer lane with the inner wall laminating setting of installation cover 20, first bearing 21's inner circle with the outer wall laminating setting of connecting axle 8, the left end fixed mounting of installation cover 20 has end cover 22, end cover 22 cover is established on the connecting axle 8.
Through setting up installation cover 20 in the left side of sleeve pipe 2, set up first bearing 21 between connecting axle 8 and installation cover 20 to close first bearing 21 through end cover 22 lid, stability when can improve the connecting axle 8 and rotate avoids connecting axle 8 and sleeve pipe 2 to take place the interlock phenomenon, improves the life of product.
And second bearings 23 are respectively arranged on the left side and the right side of the medium inlet 12 in the shell 1, the outer rings of the second bearings 23 are attached to the shell 1, and the inner rings of the bearings 11 are attached to the outer wall of the rotating shaft 7. The second bearing 23 supports the connecting shell 1 and the rotating shaft 7, so that the stability of the rotating shaft 7 during rotation is ensured, and the service life of the product is prolonged.
All be equipped with first seal groove 24 on the inner wall of sleeve pipe 2, first seal groove sets up along circumference, the quantity of first seal groove 24 is a plurality of, and is a plurality of first seal groove 24 is along axial evenly distributed, adjacent two be provided with lubricating oil groove 25 between the first seal groove 24, still be equipped with first oiling mouth 26 on the sleeve pipe 2, first oiling mouth 26 with lubricating oil groove 25 is linked together, install first sealing washer 27 in the first seal groove 24.
Can pour into lubricating oil into lubrication groove 25 through first oiling mouth 26 for produce one deck lubricating oil film between connecting axle 8 and the sleeve pipe 2, thereby reach the purpose of cooperation connecting axle 8 pivoted, reduce the wearing and tearing of connecting axle 8 and sleeve pipe 2, the life of extension product sets up first seal groove 24 through the both sides at lubrication groove 25, and install first sealing washer 27 in first seal groove 24, can avoid lubricating oil to leak in medium passageway and the second mounting hole.
And a second sealing ring 28 is arranged at the bottom of the second mounting hole, and the second sealing ring 28 is in sealing contact with the right end face of the connecting shaft 8. When the connecting shaft 8 is installed in the second installation hole, a certain gap exists between the connecting shaft 8 and the bottom of the second installation hole, a medium can seep to the outer wall of the connecting shaft 8 through the gap to form resistance to the rotation of the connecting shaft 8, and the phenomenon is avoided by arranging the second sealing ring 28.
Be equipped with second oiling mouth 30 on casing 1, through second oiling mouth 30 can to pour into lubricating oil in the second bearing 23, on the inner wall of casing 1, be located medium import 12 with be equipped with second seal groove 31 between the second oiling mouth 30, second seal groove 31 sets up along circumference, install the third sealing washer in the second seal groove 31. Lubricating oil can be injected into the second bearing 23 through the second oil injection port 30, the service life of the second bearing 23 is prolonged, and the second sealing groove 31 is arranged between the medium inlet 12 and the second oil injection port 30, so that the lubricating oil and the medium can be prevented from leaking mutually.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a split type mud water shield of multisection is rotary joint for shield, includes casing (1) and sleeve pipe (2), its characterized in that: the casing (1) is fixedly connected with the casing (2) through a connecting frame (3), a first mounting hole which penetrates through the casing (1) is arranged along the axial direction, a second mounting hole is arranged on the left part of the casing (2) along the axial direction, a first medium channel (6) is arranged on the right part of the casing (2) along the axial direction, the first mounting hole and the second mounting hole are coaxially arranged, a rotating shaft (7) is rotatably mounted in the first mounting hole, a connecting shaft (8) is rotatably mounted in the second mounting hole,
the left end face of the rotating shaft (7) is fixedly connected with the right end face of the connecting shaft (8), a second medium channel (9) is arranged in the rotating shaft (7) along the axial direction, a third medium channel (10) is arranged in the connecting shaft (8) along the axial direction, and the first medium channel (6) is communicated with the second medium channel (9) through the third medium channel (10);
the rotary shaft (7) is further provided with a fourth medium channel (11), the side wall of the shell (1) is provided with a medium inlet (12), the outer wall of the rotary shaft (7) is provided with a medium outlet (13), and the medium inlet (12) is communicated with the medium outlet (13) through the fourth medium channel (11).
2. The multi-section split type rotary joint for slurry shield of claim 1, characterized in that: swivel joint still includes installation cover (20), installation cover (20) cover is established on connecting axle (8), and through bolt fixed mounting in on the left end face of sleeve pipe (2), installation cover (20) with be provided with first bearing (21) between connecting axle (8), the outer lane of first bearing (21) with the inner wall laminating setting of installation cover (20), the inner circle of first bearing (21) with the outer wall laminating setting of connecting axle (8), the left end fixed mounting of installation cover (20) has end cover (22), end cover (22) cover is established on connecting axle (8).
3. The multi-section split type rotary joint for slurry shield of claim 1, characterized in that: and in the shell (1), second bearings (23) are respectively arranged at the left side and the right side of the medium inlet (12), the outer ring of each second bearing (23) is attached to the shell (1), and the inner ring of each bearing (11) is attached to the outer wall of the rotating shaft (7).
4. The multi-section split type rotary joint for slurry shield of claim 1, characterized in that: all be equipped with first seal groove (24) on the inner wall of sleeve pipe (2), first seal groove sets up along circumference, the quantity of first seal groove (24) is a plurality of, and is a plurality of axial evenly distributed is followed in first seal groove (24), adjacent two be provided with lubricating groove (25) between first seal groove (24), still be equipped with first oiling mouth (26) on sleeve pipe (2), first oiling mouth (26) with lubricating groove (25) are linked together, install first sealing washer (27) in first seal groove (24).
5. The multi-section split type rotary joint for slurry shield of claim 1, characterized in that: and a second sealing ring (28) is arranged at the bottom of the second mounting hole, and the second sealing ring (28) is in sealing contact with the right end face of the connecting shaft (8).
6. The multi-section split type rotary joint for slurry shield of claim 3, characterized in that: be equipped with second oiling mouth (30) on casing (1), through second oiling mouth (30) can to pour into lubricating oil in second bearing (23), on the inner wall of casing (1), be located medium import (12) with be equipped with second seal groove (31) between second oiling mouth (30), second seal groove (31) are along circumference setting, install the third sealing washer in second seal groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011076148.5A CN112196562A (en) | 2020-10-10 | 2020-10-10 | Multi-section split type rotary joint for slurry shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011076148.5A CN112196562A (en) | 2020-10-10 | 2020-10-10 | Multi-section split type rotary joint for slurry shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112196562A true CN112196562A (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011076148.5A Pending CN112196562A (en) | 2020-10-10 | 2020-10-10 | Multi-section split type rotary joint for slurry shield |
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| Country | Link |
|---|---|
| CN (1) | CN112196562A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202490A (en) * | 2021-05-31 | 2021-08-03 | 中国铁建重工集团股份有限公司 | Water jet flow adapter for shield tunneling machine |
-
2020
- 2020-10-10 CN CN202011076148.5A patent/CN112196562A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202490A (en) * | 2021-05-31 | 2021-08-03 | 中国铁建重工集团股份有限公司 | Water jet flow adapter for shield tunneling machine |
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