CN213540399U - Shield constructs negative ring canal piece counterforce device - Google Patents
Shield constructs negative ring canal piece counterforce device Download PDFInfo
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- CN213540399U CN213540399U CN202022221678.6U CN202022221678U CN213540399U CN 213540399 U CN213540399 U CN 213540399U CN 202022221678 U CN202022221678 U CN 202022221678U CN 213540399 U CN213540399 U CN 213540399U
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Abstract
The present disclosure provides a shield negative ring canal piece counterforce device; relate to shield structure equipment field, support section of jurisdiction and annular butt section of jurisdiction including the tip butt joint, it is the circular arc board structure of semicircle annular for the cross-section to support the section of jurisdiction top installation portal trestle, support bottom connection support section of jurisdiction, support one side laminating butt joint section of jurisdiction, the opposite side passes through diagonal brace connection support section of jurisdiction, the support section of jurisdiction of assembling through the butt section of jurisdiction cooperation semi-ring that whole ring was assembled cooperates, the convenience is fixed to the section of jurisdiction, support section of jurisdiction top installation portal trestle supports the first part of butt section of jurisdiction, reduce assembling of semi-ring section of jurisdiction, the holistic support performance of butt joint section of jurisdiction has been guaranteed, satisfy the support stability demand of shield structure machine to the reaction frame.
Description
Technical Field
The utility model relates to a shield constructs the equipment field, in particular to shield constructs negative ring canal piece counterforce device.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In the shield construction, the starting and receiving of the shield machine are an important technical link, and the reaction frame is used as a support structure for starting the shield machine and provides a supporting force for overcoming various frictional resistances for the shield machine, so that the safety of the shield construction is directly influenced by the installation and the structure of the reaction frame.
The inventor finds that currently in the traditional shield launching process, the reaction frame generally takes two forms: one is that direct support acts on the headwall, another kind acts on the bottom plate for adopting the bracing, however, along with the influence of shield diameter's increase and stratum change, direct support acts on the reaction frame of headwall and is limited in the intensity of headwall, it is difficult to effectively support to some major diameter's shield structure machines, and the reaction frame that adopts the bracing is when arranging, along with the increase of shield diameter, the length and the volume weight of bracing all can increase gradually, be difficult to carry out holistic transport and installation, and the structural strength that general reaction frame exists is poor, short service life, the installation is makeed troublesome, with high costs, defects such as wholeness difference are increasingly prominent.
SUMMERY OF THE UTILITY MODEL
The purpose of the present disclosure is to provide a shield negative ring canal sheet counterforce device aiming at the defects existing in the prior art; can cooperate through the support section of jurisdiction that butt section of jurisdiction cooperation semi-ring was assembled of whole ring is assembled, conveniently supports the fixed of section of jurisdiction top installation portal type support and supports the first half of butt section of jurisdiction, reduces assembling of semi-ring section of jurisdiction, has guaranteed to the holistic support performance of butt section of jurisdiction, satisfies the support stability demand of shield structure machine to the reaction frame.
In order to realize the purpose, the following technical scheme is adopted:
the utility model provides a shield constructs burden ring canal piece counterforce device, includes support section of jurisdiction and annular butt section of jurisdiction of tip butt joint, supports the section of jurisdiction and is the annular arc plate structure of semicircle for the cross-section, supports section of jurisdiction top installation portal frame, and support bottom joint supports the section of jurisdiction, and support one side laminating butt joint section of jurisdiction, opposite side pass through the diagonal brace joint support section of jurisdiction.
Further, the support segment comprises a plurality of arc plates which are sequentially spliced along the axial direction, and the arc plates and the annular butt segment are coaxially arranged.
Further, the radius of supporting the section of jurisdiction and butt section of jurisdiction equals, and the outer arc surface of supporting the section of jurisdiction aligns with the outer periphery of butt section of jurisdiction.
Further, the butt section of jurisdiction arranges one at least, when the butt section of jurisdiction has a plurality ofly, stacks along the butt joint of axial terminal surface in proper order.
Further, the support includes longeron and the crossbeam of connecting the longeron, and the one end of circular arc board is connected to a longeron, and the other end that the circular arc board is relative is connected to another longeron, connects through the crossbeam between two longerons, forms door-type structure jointly.
Furthermore, the longitudinal beam extends along the tangential direction of the circular arc plate, and the longitudinal beam is installed on the circular arc plate through a connecting piece.
Furthermore, a reinforcing beam is connected between the longitudinal beam and the cross beam, the reinforcing beam is matched with the longitudinal beam and the cross beam to form a triangular supporting structure, and one side of the reinforcing beam is attached to the abutting duct piece.
Furthermore, inclined support rods are arranged at two ends of the support corresponding to the arc plates, and the two groups of inclined support rods are symmetrically arranged relative to the axis of the butting pipe piece.
Furthermore, a set of diagonal brace includes parallel arrangement's first pole and second pole, first pole and second pole parallel arrangement, and first pole one end linking bridge, the circular arc board is connected to the other end, second pole one end linking bridge, and the circular arc board is connected to the other end.
Furthermore, the first rod and the support are arranged at an included angle, and a plurality of reinforcing ribs are connected between the first rod and the second rod.
Compared with the prior art, the utility model has the advantages and positive effects that:
(1) the whole-ring assembled butt pipe piece is matched with the semi-ring assembled support pipe piece, so that the pipe piece is convenient to fix, a door type support is arranged above the support pipe piece to support the upper half part of the butt pipe piece, the assembly of the semi-ring pipe piece is reduced, the integral support performance of the butt pipe piece is ensured, and the support stability requirement of the shield machine on a reaction frame is met;
(2) the problem of insufficient strength caused by the fact that a traditional reaction frame is only connected with an end wall is solved, the support pipe piece is connected with a foundation pit, the abutting pipe piece is abutted, the lower half part of the abutting pipe piece is supported, a portal support is arranged above the support pipe piece, the end face of the abutting pipe piece is attached, and the upper duty part of the abutting pipe piece is supported, so that the abutting pipe piece of the abutting shield machine is completely and stably supported, and the requirement of the shield machine on the reaction frame is met;
(3) compare in whole section of jurisdiction of adopting the whole ring to assemble, adopt the whole ring to assemble to the butt ring piece of direct contact shield structure machine, satisfy the demand that the cooperation shield constructs the machine, to the follow-up support part that does not directly contact, adopt the semi-ring to assemble cooperation top support, can effectively reduce the degree of difficulty of assembling of section of jurisdiction to utilize portal frame structure to replace the upper portion section of jurisdiction, guaranteed promptly and supported the performance, avoided the bulky problem that the hoist and mount is difficult to arrange of whole use bracing again.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
FIG. 1 is a schematic view of the overall construction of a reaction force device according to an embodiment of the present disclosure;
fig. 2 is a schematic connection diagram of a portal frame in an embodiment of the disclosure.
In the figure, 1 crossbeam, 2 columns, 3 crossbars, 4 first struts, 5 second struts, 6 bolts, 7 complete negative ring segments, 8 first lower negative ring segments, 9 second lower negative ring segments and 10 third lower negative ring segments.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
For convenience of description, the words "up", "down", "left" and "right" in this disclosure, if any, merely indicate that the directions of movement are consistent with those of the figures themselves, and are not limiting in structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present disclosure.
As introduced in the background art, the reaction frame fixed on the end wall and the reaction frame of the inclined strut in the prior art are difficult to meet the requirements of a large-diameter shield machine, the problems of insufficient supporting force and difficulty in arrangement exist, and the shield negative ring pipe sheet counter-force device is provided in the disclosure aiming at the problems.
Example 1
In an exemplary embodiment of the present disclosure, as shown in fig. 1-2, a shield negative collar segment counterforce device is provided.
The support pipe mainly comprises a support pipe piece, a butt joint pipe piece and a door type support, wherein the support pipe piece is butted with the end part of the butt joint pipe piece, the support pipe piece is of an arc plate structure with a semicircular section, the door type support is arranged at the top of the support pipe piece, the bottom of the support is connected with the support pipe piece, one side of the support is jointed with the butt joint pipe piece, and the other side of the support pipe piece is connected with the support;
specifically, the abutting duct piece is of a whole-ring assembled duct piece structure, the supporting duct piece is in butt joint with the lower half part of the abutting duct piece and supports the lower half part of the abutting duct piece, the door-type support is arranged at the top of the abutting duct piece, the abutting duct piece is attached to one side of the door-type support, and the upper half part of the abutting duct piece is supported;
compare in traditional bracing reaction frame, can reduce the volume of support part to conveniently arrange reaction frame device in the limited foundation ditch in space, and the quality of little volume support is less, can reduce the degree of difficulty of hoist and mount.
The configuration of the supporting duct piece is a structure which is stacked along the axial direction and comprises a plurality of arc plates which are sequentially spliced along the axial direction, and the arc plates and the annular butting duct piece are coaxially arranged;
in this embodiment, support the section of jurisdiction and can choose for use half negative ring section of jurisdiction down, in this embodiment to three support the section of jurisdiction as the example, half negative ring section of jurisdiction 8 under first way, half negative ring section of jurisdiction 9 under second way and half negative ring section of jurisdiction 10 under the third way superpose along the axial in proper order, form the support section of jurisdiction that satisfies the demand.
For the specifications of the supporting duct piece and the abutting duct piece, in order to facilitate the bearing stability of the supporting duct piece and the abutting duct piece during butt joint, the radius of the supporting duct piece is equal to that of the abutting duct piece, and the outer arc surface of the supporting duct piece is aligned with the outer circumference surface of the abutting duct piece;
the end faces of the supporting pipe pieces are aligned, the butt joint stress is stable, the supporting pipe pieces and the outer circumferential faces of the abutting pipe pieces are continuously arranged, and the supporting pipe pieces and the abutting pipe pieces are conveniently fixed.
At least one abutting pipe piece is a complete negative ring pipe piece 7, and when a plurality of abutting pipe pieces are arranged, end faces are sequentially butted in the axial direction for superposition;
the integral negative ring duct piece and the lower half negative ring duct piece are both of an assembled structure, and the duct pieces meeting the requirements are formed by assembling and connecting segmented duct pieces which are the same as the inner lining of the tunnel;
compare in whole section of jurisdiction of adopting the whole ring to assemble, adopt the whole ring to assemble to the butt ring piece of direct contact shield structure machine, satisfy the demand that the cooperation shield constructs the machine, to the follow-up support part that does not directly contact, adopt the semi-ring to assemble cooperation top support, can effectively reduce the degree of difficulty of assembling of section of jurisdiction to utilize portal frame structure to replace the upper portion section of jurisdiction, guaranteed promptly and supported the performance, avoided the bulky problem that the hoist and mount is difficult to arrange of whole use bracing again.
For the fixing of the supporting duct piece and the abutting duct piece, in the embodiment, the fixing in various modes can be carried out according to the requirement;
for example, the abutting segment is connected and anchored with a tunnel end wall, the supporting segment is fixed with the bottom of a foundation pit, the abutting segment and the supporting segment are jointly fixed, sufficient force of the abutting segment and the supporting segment on a shield machine is guaranteed, and the requirement on the stability of a reaction frame is met;
for example, the abutting duct pieces and the supporting duct pieces are fixed at the bottom of the foundation pit, and the abutting duct pieces are assembled and superposed along with the feeding of the shield machine, so that compared with the case that the whole ring duct pieces are adopted, the assembling steps on the upper parts of the supporting duct pieces can be saved, and the assembling difficulty and the fixing difficulty are saved;
it can be understood that other fixing modes can be adopted, and the requirement of the shield on the output of the reaction frame in the operation process can be met.
For the portal support, the non-assembled part at the upper part of the support segment is replaced to support the butting segment, in the embodiment, the support comprises longitudinal beams and a cross beam 1 for connecting the longitudinal beams, one longitudinal beam is connected with one end of the arc plate, the other longitudinal beam is connected with the other end opposite to the arc plate, and the two longitudinal beams are connected through the cross beam to form a portal structure together;
with the combination of the attached drawings, the longitudinal beam is an upright post 2 arranged at two ends of the arc plate, the top part of the longitudinal beam is matched with the cross beam to form a door type structure, and the door type support is attached to and abutted against the upper half part of the end surface of the duct piece;
the longitudinal beam extends along the tangential direction of the arc plate, is arranged on the arc plate through the connecting piece, maintains the vertical state of the longitudinal beam, and can ensure the attaching state of the longitudinal beam and the butting duct piece;
as shown in fig. 1, a longitudinal beam is positioned on a first lower semi-negative ring pipe sheet directly connected with an abutting pipe sheet, a reinforcing beam is connected between the longitudinal beam and a cross beam, the reinforcing beam is matched with the longitudinal beam and the cross beam to form a triangular support structure, and one side of the reinforcing beam is attached to the abutting pipe sheet;
the stiffening beam is as stull 3, can form triangular supports structure, consolidates the hookup location between longeron and the crossbeam to, it can also increase the whole area of contact with the butt section of jurisdiction of support, improves the holding power.
Inclined support rods are arranged at two ends of the bracket corresponding to the arc plate, and the two groups of inclined support rods are symmetrically arranged relative to the axis of the butting pipe piece;
the inclined supporting rods comprise a first rod and a second rod which are arranged in parallel, the first rod and the second rod are arranged in parallel, one end of the first rod is connected with the bracket, the other end of the first rod is connected with the arc plate, one end of the second rod is connected with the bracket, and the other end of the second rod is connected with the arc plate; the first rod and the support are arranged at an included angle, and a plurality of reinforcing ribs are connected between the first rod and the second rod.
With reference to the attached drawings, a first rod is used as a first diagonal brace 4, a second rod is used as a second diagonal brace 5, and a support duct piece are connected, in the embodiment, one end of the first diagonal brace 4 is connected with the middle of the support, the other end of the first diagonal brace is connected with a second lower half negative ring duct piece, one end of the second diagonal brace 5 is connected with the top end of the support, and the other end of the second diagonal brace is connected with a third lower half negative ring duct piece;
reinforcing different positions of the bracket to ensure the support stability of the bracket; it is understood that two struts are one solution in this embodiment, and in other embodiments, the number of the struts, such as one strut, three struts, etc., may be increased or decreased according to the height of the support;
the first inclined strut 4 is connected to the junction of the upright post 2 and the cross strut 3 and a second lower negative ring pipe piece 9, and the joint of the second lower negative ring pipe piece 9 needs to be drilled and is connected with the first inclined strut 4 through a bolt 6;
the second inclined strut 5 is connected to the junction of the upright post 2 and the cross beam 1 and the third lower negative ring pipe piece 10, and the joint of the third lower negative ring pipe piece 10 needs to be drilled and is connected with the second inclined strut 5 through a bolt 6.
In this example, the cross beam 1, the upright post 2, the cross brace 3, the first inclined brace 4 and the second inclined brace 5 have a symmetrical structure.
When arranging multichannel bracing, in order to guarantee the relative position between the bracing, can also arrange the strengthening rib between the bracing, the material of strengthening rib can be unanimous with the material of bracing, suitably adjusts its sectional area, satisfies the demand of conveniently arranging, intensity.
The support section of jurisdiction of assembling through the butt section of jurisdiction cooperation semi-ring that whole ring was assembled cooperates, and the convenience is fixed to the section of jurisdiction, supports the first half of section of jurisdiction top installation portal type support to the butt section of jurisdiction and supports, reduces assembling of semi-ring section of jurisdiction, has guaranteed to the holistic support performance of butt section of jurisdiction, satisfies the support stability demand of shield structure machine to the reaction frame.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (10)
1. The utility model provides a shield constructs burden ring canal piece counterforce device, its characterized in that, including the support section of jurisdiction and the annular butt section of jurisdiction of tip butt joint, support the section of jurisdiction and be the annular circular arc board structure of semicircle for the cross-section, support section of jurisdiction top installation portal frame, support bottom joint support section of jurisdiction, support one side laminating butt joint section of jurisdiction, the opposite side is through diagonal brace joint support section of jurisdiction.
2. The shield negative ring segment counterforce device of claim 1, wherein said supporting segment comprises a plurality of circular arc plates sequentially spliced along the axial direction, and the circular arc plates and the annular abutting segment are coaxially arranged.
3. The shield negative loop segment counterforce apparatus of claim 2, wherein the support segment and the abutting segment have the same radius, and the outer arc surface of the support segment is aligned with the outer circumference surface of the abutting segment.
4. The shield negative collar segment counterforce device of claim 1, wherein at least one of said abutting segments is arranged, and when there are a plurality of abutting segments, they are stacked by end face butt joint in sequence along the axial direction.
5. The shield negative ring pipe sheet counterforce device of claim 1, wherein the support comprises longitudinal beams and a cross beam connecting the longitudinal beams, one longitudinal beam is connected with one end of the circular arc plate, the other longitudinal beam is connected with the other end of the circular arc plate, and the two longitudinal beams are connected through the cross beam to form a door type structure together.
6. The shield negative collar plate counterforce device of claim 5, wherein said longitudinal beam extends tangentially to the circular arc plate on which it is mounted by means of a connecting piece.
7. The shield negative ring pipe sheet counterforce device of claim 6, wherein a stiffening beam is connected between the longitudinal beam and the cross beam, the stiffening beam cooperates with the longitudinal beam and the cross beam to form a triangular support structure, and one side of the stiffening beam abuts against the pipe sheet.
8. The shield negative loop pipe segment counterforce device of claim 1, wherein two ends of the bracket corresponding to the arc plate are provided with inclined support rods, and the two groups of inclined support rods are symmetrically arranged relative to the axis of the abutting pipe segment.
9. The shield negative ring pipe sheet counterforce device of claim 8, wherein one set of diagonal braces comprises a first rod and a second rod arranged in parallel, the first rod and the second rod are arranged in parallel, one end of the first rod is connected with the bracket, the other end of the first rod is connected with the arc plate, one end of the second rod is connected with the bracket, and the other end of the second rod is connected with the arc plate.
10. The shield negative ring canal piece counterforce device of claim 9, wherein the first rod is disposed at an angle to the support, and a plurality of reinforcing ribs are connected between the first rod and the second rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022221678.6U CN213540399U (en) | 2020-09-30 | 2020-09-30 | Shield constructs negative ring canal piece counterforce device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022221678.6U CN213540399U (en) | 2020-09-30 | 2020-09-30 | Shield constructs negative ring canal piece counterforce device |
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| Publication Number | Publication Date |
|---|---|
| CN213540399U true CN213540399U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022221678.6U Active CN213540399U (en) | 2020-09-30 | 2020-09-30 | Shield constructs negative ring canal piece counterforce device |
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|---|---|
| CN (1) | CN213540399U (en) |
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2020
- 2020-09-30 CN CN202022221678.6U patent/CN213540399U/en active Active
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