CN213574092U - Shield constructs supplementary steel bushing device of receiving - Google Patents
Shield constructs supplementary steel bushing device of receiving Download PDFInfo
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- CN213574092U CN213574092U CN202120637143.9U CN202120637143U CN213574092U CN 213574092 U CN213574092 U CN 213574092U CN 202120637143 U CN202120637143 U CN 202120637143U CN 213574092 U CN213574092 U CN 213574092U
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Abstract
The utility model discloses a shield constructs supplementary steel sleeve device of receiving, include: the steel sleeve comprises a steel sleeve body, wherein the steel sleeve body comprises a plurality of sections of barrels connected end to end, and flanges are arranged at the ends of two adjacent sections of barrels, wherein an annular groove is arranged on the inner side of the end of each barrel, the inner wall of the annular groove is obliquely arranged, and the opening is narrow and the bottom is wide; the sealing ring comprises a ring main body and a first protruding part and a second protruding part which are arranged on the outer circumference of the ring main body, wherein the height of the first protruding part is matched with the height of a flange of the end of the cylinder body, the second protruding parts are arranged in two numbers and are arranged on two sides of the first protruding part respectively, two opposite side edges of the second protruding part are obliquely arranged and are narrow at the upper part and are matched with the annular groove, and when the two sections of cylinder bodies are connected, the two second protruding parts are arranged in the annular grooves on the inner sides of the two adjacent cylinder body ends respectively. The device can improve the leakproofness of steel sleeve, also can improve seal structure's stability.
Description
Technical Field
The utility model relates to a shield constructs quick-witted auxiliary assembly. More specifically, the utility model relates to a shield constructs supplementary steel sleeve device of receiving.
Background
The shield machine is the most advanced ultra-large special equipment for tunnel excavation at present, is high-tech construction equipment for realizing one-step excavation and hole forming of excavation, unearthing, supporting and the like, and is widely applied to tunnel engineering of urban rail transit, railways, highways, municipal administration, hydropower and the like. In the construction of the shield method interval tunnel of the urban subway engineering, the shield machine receiving is a key process in the whole engineering and is also a link with the greatest difficulty and the highest risk. The starting and receiving of the shield machine are key links in the shield construction, and play a decisive role in the success or failure of the project. The shield machine is usually constructed by adopting a closed starting construction method for starting and receiving, before the shield is tunneled, a steel sleeve is arranged in a shield starting well, the shield machine is arranged in the steel sleeve, then backfill materials are filled in the steel sleeve, and water for balancing the tunnel face is provided through the closed space of the steel sleeve. At present, a steel sleeve is generally formed by assembling a plurality of sections of cylinders, and each section of cylinder is also formed by assembling an upper semicircular ring and a lower semicircular ring. In order to improve the sealing performance of the steel sleeve, a sealing ring is usually inserted between the connecting flanges of adjacent cylinders by a constructor, but the stability of the sealing structure is poor.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model discloses still another purpose provides a shield constructs supplementary steel sleeve device of receiving, and it can enough improve the leakproofness of steel sleeve, also can improve seal structure's stability.
In order to achieve these objects and other advantages of the present invention, there is provided a shield auxiliary receiving steel sleeve device, including:
the steel sleeve comprises a steel sleeve body, wherein the steel sleeve body comprises a plurality of sections of barrels connected end to end, and flanges are arranged at the ends of two adjacent sections of barrels, wherein an annular groove is arranged on the inner side of the end of each barrel, the inner wall of the annular groove is obliquely arranged, and the opening is narrow and the bottom is wide;
the sealing ring comprises a ring main body and a first protruding part and a second protruding part which are arranged on the outer circumference of the ring main body, wherein the height of the first protruding part is matched with the height of a flange of the end of the cylinder body, the second protruding parts are arranged in two numbers and are arranged on two sides of the first protruding part respectively, two opposite side edges of the second protruding part are obliquely arranged and are narrow at the upper part and are matched with the annular groove, and when the two sections of cylinder bodies are connected, the two second protruding parts are arranged in the annular grooves on the inner sides of the two adjacent cylinder body ends respectively.
Preferably, the shield assists in receiving the steel sleeve device, and the inclination angle of the inner wall of the annular groove is 2-5 degrees.
Preferably, the inner wall of the inner wall and the outer wall of the annular groove are higher than the inner wall of the outer wall, so that after the two sections of cylinders are connected, the joint and the inner wall of the cylinder are in the same straight line.
Preferably, the first protruding portion of the shield auxiliary receiving steel sleeve device is provided with a round hole, and the round hole is matched with the round hole on the flange, so that the flange of two adjacent sections of ends can be fixed by using bolts.
Preferably, the shield auxiliary receiving steel sleeve device is characterized in that the thickness of the first protruding portion is smaller than 2mm, and the thickness of the ring main body is 5-8 mm.
Preferably, the shield auxiliary receiving steel sleeve device comprises an upper semicircular ring and a lower semicircular ring which are assembled.
Preferably, the shield auxiliary receiving steel sleeve device is provided with a strip-shaped protrusion on the end surface of the lower semicircular ring, and a strip-shaped groove matched with the strip-shaped protrusion is formed on the end surface of the upper semicircular ring.
Preferably, the shield auxiliary steel sleeve receiving device is characterized in that reinforcing ribs are arranged on the outer wall of the sleeve body and comprise longitudinal reinforcing ribs and transverse reinforcing ribs.
The utility model discloses at least, include following beneficial effect: because the inner side of the end of the cylinder body is provided with the annular groove, the inner wall of the annular groove is obliquely arranged, the opening is narrow, the bottom is wide, and the second bulge parts of the arranged sealing rings are matched with the annular groove, when the two sections of cylinder bodies are connected, the first bulge part is positioned between the end flanges of the two sections of cylinder bodies, and then the two second bulge parts are respectively pressed into the annular groove. Because the inner wall slope of annular groove sets up, and the second bellying is also wide from top to bottom narrow, with the sealing ring block like this in two sections adjacent barrel junctions, not only stability is good, has still improved the leakproofness of junction greatly, also can play waterproof effect simultaneously. When the shield machine runs in the cylinder body and the cylinder body vibrates, the stability of the arranged sealing ring is very good, and the sealing ring cannot fall out of the annular groove. To sum up, this steel sleeve device, simple structure, in the aspect of the equipment, also improved the efficiency of construction greatly, also provide the guarantee for the security of tunnel shield machine construction.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of a cylinder body in a shield auxiliary receiving steel sleeve device in the embodiment of the utility model;
FIG. 2 is a schematic structural view of a sealing ring section in the shield auxiliary receiving steel sleeve device in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a semicircular ring in the shield auxiliary receiving steel sleeve device in the embodiment of the utility model.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1-2, the utility model provides a shield constructs supplementary steel sleeve device of receiving, include: the steel sleeve comprises a steel sleeve body, wherein the steel sleeve body comprises a plurality of sections of barrels 1 which are connected end to end, flanges 2 are arranged at the ends of the two adjacent sections of barrels 1, an annular groove 3 is arranged on the inner side of the end of the barrel 1, the inner wall of the annular groove 3 is obliquely arranged, and the steel sleeve body is narrow in opening and wide in bottom; sealing ring 4, it includes ring main part 41 and sets up first bellying 42 and second bellying 43 on the outer circumference of ring main part 41, first bellying 42 the height with the high looks adaptation of flange 2 of barrel 1 end sets up, second bellying 43 is provided with two, sets up respectively the both sides of first bellying 42, the relative both sides limit slope of second bellying 43 sets up, and is narrow down wide, with annular groove 3 looks adaptation sets up, when two sections barrels 1 connect, makes two second bellying 43 respectively in the inboard annular groove of two sections adjacent barrel ends.
In the above embodiment, since the annular groove 3 is arranged on the inner side of the end of the cylinder 1, the inner wall of the annular groove 3 is inclined, the mouth is narrow, the bottom is wide, and the second protruding portion 43 of the arranged sealing ring 4 is matched with the annular groove 3, when two cylinders are connected, the first protruding portion 42 is located between the two cylinder end flanges 2, and then the two second protruding portions 43 are respectively pressed into the annular groove 3. Because the inner wall slope setting of annular groove 3, and second bellying 43 is also wide from top to bottom narrow, with sealing ring 4 block in two adjacent section barrel junctions like this, not only stability is good, has still improved the leakproofness of junction greatly, also can play waterproof effect simultaneously. When the shield machine runs in the cylinder body and the cylinder body vibrates, the stability of the arranged sealing ring is very good, and the sealing ring cannot fall out of the annular groove. To sum up, this steel sleeve device, simple structure, in the aspect of the equipment, also improved the efficiency of construction greatly, also provide the guarantee for the security of tunnel shield machine construction.
In one specific embodiment, the shield auxiliary receiving steel sleeve device is characterized in that the inclination angle of the inner wall of the annular groove 3 is 2-5 degrees. Set the inner wall of annular groove 3 to the tilt state, be for the stability that increases the sealing ring, the angle of this slope can not be too big, also can not be too little, if too big, can be very hard during the installation, be difficult to with the second bellying impel the annular groove in, if too little, during the barrel vibration, the second bellying can be followed and fallen out in the annular groove. This embodiment gives only the preferred ranges.
In one embodiment of the shield auxiliary steel sleeve receiving device, the inner wall and the outer wall of the annular groove 3 are higher than the inner wall close to the outer wall, so that after the two sections of cylinders are connected, the connection position and the inner wall of the cylinder are in the same straight line. The advantage of setting up like this is, shield constructs the machine when the barrel operation, can not make the diameter reduce because of having added the sealing ring because of the junction, influence the operation of shield structure machine.
In one embodiment, the first protruding portion 42 of the shield auxiliary receiving steel sleeve device is provided with a circular hole, and the circular hole is matched with the circular hole on the flange 2, so that the flanges of two adjacent sections of end heads can be fixed by using bolts. The provision of the first projecting portion 42 can also compensate for the problem of poor sealing property and instability caused by the unsmooth flange surface.
In one embodiment, the thickness of the first protruding portion 42 is less than 2mm, and the thickness of the ring body is 5-8 mm.
In one embodiment, as shown in fig. 3, the shield auxiliary receiving steel sleeve device includes an assembled upper and lower semicircular rings 100 of the cylinder 1.
In one embodiment, as shown in fig. 3, the shield auxiliary receiving steel sleeve device is provided with an elongated protrusion (not shown) on the end surface of the lower semicircular ring, and an elongated groove 102 adapted to the elongated protrusion is provided on the end surface of the upper semicircular ring. When the upper semicircular ring and the lower semicircular ring are assembled, the strip-shaped protrusion is arranged in the strip-shaped groove 102, and then the flange is fixed by using the bolt, so that the stability and the sealing property of the cylinder body can be greatly improved.
In one specific embodiment, the shield auxiliary receiving steel sleeve device is provided with reinforcing ribs 101 on the outer wall of the sleeve body 1, and the reinforcing ribs 101 include longitudinal reinforcing ribs and transverse reinforcing ribs. The reinforcing ribs can enhance the strength of the side wall of the cylinder body and provide uniform stress for the shield tunneling machine to keep stable.
To sum up, the embodiment of the utility model provides a can enough improve the leakproofness of steel sleeve, also can improve seal structure's stability.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. Shield constructs supplementary steel sleeve device of receiving, its characterized in that includes:
the steel sleeve comprises a steel sleeve body, wherein the steel sleeve body comprises a plurality of sections of barrels connected end to end, and flanges are arranged at the ends of two adjacent sections of barrels, wherein an annular groove is arranged on the inner side of the end of each barrel, the inner wall of the annular groove is obliquely arranged, and the opening is narrow and the bottom is wide;
the sealing ring comprises a ring main body and a first protruding part and a second protruding part which are arranged on the outer circumference of the ring main body, wherein the height of the first protruding part is matched with the height of a flange of the end of the cylinder body, the second protruding parts are arranged in two numbers and are arranged on two sides of the first protruding part respectively, two opposite side edges of the second protruding part are obliquely arranged and are narrow at the upper part and are matched with the annular groove, and when the two sections of cylinder bodies are connected, the two second protruding parts are arranged in the annular grooves on the inner sides of the two adjacent cylinder body ends respectively.
2. The shield auxiliary receiving steel sleeve device as claimed in claim 1, wherein the inner wall of the annular groove is inclined at an angle of 2-5 degrees.
3. A shield auxiliary receiving steel sleeve device according to claim 2, wherein the inner and outer walls of the annular groove have a height greater near the inner wall than near the outer wall, so that after the two sections of the sleeve are connected, the connection is aligned with the inner wall of the sleeve.
4. A shield auxiliary receiving steel sleeve device according to claim 3, wherein a circular hole is provided on the first protruding portion, and the circular hole is adapted to the circular hole on the flange, so as to fix the flanges of two adjacent sections of end heads by using bolts.
5. A shield assisted receiving steel sleeve device according to claim 4, wherein the thickness of the first boss is less than 2mm and the thickness of the ring body is 5 to 8 mm.
6. The shield assisted receiving steel sleeve device of claim 1, wherein the sleeve comprises two semi-circular rings assembled.
7. The shield auxiliary receiving steel sleeve device as claimed in claim 6, wherein the end surface of the lower semicircular ring is provided with an elongated protrusion, and the end surface of the upper semicircular ring is provided with an elongated groove matched with the elongated protrusion.
8. A shield assisted reception steel sleeve assembly according to claim 1, in which reinforcing ribs are provided on the outer wall of the sleeve, the reinforcing ribs including longitudinal and transverse reinforcing ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120637143.9U CN213574092U (en) | 2021-03-29 | 2021-03-29 | Shield constructs supplementary steel bushing device of receiving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120637143.9U CN213574092U (en) | 2021-03-29 | 2021-03-29 | Shield constructs supplementary steel bushing device of receiving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213574092U true CN213574092U (en) | 2021-06-29 |
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ID=76553255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120637143.9U Active CN213574092U (en) | 2021-03-29 | 2021-03-29 | Shield constructs supplementary steel bushing device of receiving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213574092U (en) |
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2021
- 2021-03-29 CN CN202120637143.9U patent/CN213574092U/en active Active
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