CN213684162U - Subway shield tunnel longitudinal rigidity additional strengthening - Google Patents
Subway shield tunnel longitudinal rigidity additional strengthening Download PDFInfo
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- CN213684162U CN213684162U CN202022884064.6U CN202022884064U CN213684162U CN 213684162 U CN213684162 U CN 213684162U CN 202022884064 U CN202022884064 U CN 202022884064U CN 213684162 U CN213684162 U CN 213684162U
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- support column
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- shield tunnel
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Abstract
The utility model belongs to the technical field of support reinforcement, in particular to a longitudinal rigidity strengthening structure of a subway shield tunnel, which comprises a telescopic support column, a top support plate, a main support column and a base, wherein the bottom end of the telescopic support column is movably connected with a rotary adjusting block, the bottom end of the rotary adjusting block is connected with a fixed disc in a nesting way, the bottom end of the fixed disc is fixedly connected with the main support column, the bottom end of the main support column is fixedly connected with the base, the periphery of the rotary adjusting block is fixedly connected with a convex column, the convex column enables a user to more easily and conveniently drive the rotary adjusting block to correspondingly rotate, and after the user installs the main support column, the user can correspondingly adjust the length of the telescopic support column through the support adjusting mechanism, thereby the telescopic support column can better support the top of the tunnel through the top support plate, and then make flexible support column and main support column can be better to the longitudinal support of tunnel.
Description
Technical Field
The utility model relates to a support and consolidate technical field, specifically be a subway shield tunnel longitudinal rigidity additional strengthening.
Background
The shield tunnel is a slender tubular structure and is formed by splicing segments, the longitudinal rigidity, the bending rigidity and the torsional rigidity of the shield tunnel are both small, so that the problems of deformation such as uneven settlement, torsion, horizontal deviation and the like are easy to occur in the subway operation and use process, the problems of overlarge segment joint opening amount, water leakage, even segment joint damage and the like are caused, the segment edges and corners are cracked, the threads of connecting bolts are subjected to plastic deformation, the connecting bolts are pulled apart or sheared off and the like are further caused, the inner side of the segments of the existing shield tunnel is a smooth surface, although the track plate is a cast-in-place reinforced concrete plate, the longitudinal rigidity of the track plate is large, when the shield tunnel is deformed such as uneven settlement, torsion, horizontal deviation and the like, the track plate cannot play a role in large longitudinal rigidity, and is easy to void between the track plate and the shield tunnel, and vibration between the track plate and the tunnel is easy to occur under the action of train load, and accelerates tunnel and track damage.
The tunnel that the frame was accomplished carries out the fixed stay installation that current longitudinal rigidity additional strengthening installer can not be convenient quick light, and also can not be fine after the installation is fixed carry out longitudinal support to the tunnel, and the place of current longitudinal rigidity additional strengthening installation can not be better because ground is smooth enough and stands and carry out fixed mounting on current subaerial simultaneously to make the support that longitudinal rigidity additional strengthening can not be fine carry out longitudinal support to the tunnel on current unevenness consolidate.
Therefore, how to design a longitudinal rigidity reinforcing structure of the subway shield tunnel becomes a problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a subway shield tunnel longitudinal rigidity additional strengthening to solve the problem that the tunnel of providing in the above-mentioned background art can not be fine after the installation carries out longitudinal support and can not be fine standing and support on the subaerial of unevenness.
In order to achieve the above object, the utility model provides a following technical scheme: a longitudinal rigidity reinforcing structure of a subway shield tunnel comprises a telescopic supporting column, a top supporting plate, a main supporting column and a base, wherein the bottom end of the telescopic supporting column is movably connected with a rotary adjusting block, the bottom end of the rotary adjusting block is connected with a fixed disc in an embedded manner, the bottom end of the fixed disc is fixedly connected with the main supporting column, the bottom end of the main supporting column is fixedly connected with the base, the periphery of the bottom of the rotary adjusting block is fixedly connected with a first rotary joint, the periphery of the bottom of the first rotary joint is connected with a first movable groove in an embedded manner, the middle of the rotary adjusting block is connected with a first thread groove in a penetrating manner, the periphery of the base is connected with a second thread groove in a penetrating manner, the inner side of the second thread groove is connected with a supporting rod in a penetrating manner, the bottom end of the supporting rod is connected with a second movable, the bottom fixedly connected with rubber supporting legs of second rotary joint, the top fixedly connected with top backup pad of flexible support column, fixedly connected with embedding screw rod in the middle of the bottom of flexible support column.
Preferably, the two sides of the bottom end of the top supporting plate are fixedly connected with auxiliary supporting frames.
Preferably, the periphery of the rotary adjusting block is fixedly connected with a protruding column.
Preferably, the main supporting column is embedded and connected with a square movable groove.
Preferably, the rotary adjusting block and a fixed disk at the bottom end of the rotary adjusting block, a first rotary joint at the periphery of the bottom of the rotary adjusting block, a first movable groove at the periphery of the bottom of the first rotary joint and a first thread groove in the middle of the rotary adjusting block form a supporting and adjusting mechanism together.
Preferably, the second thread groove and the support rod at the inner side of the second thread groove, the second movable groove at the bottom end of the support rod, the second rotary joint at the inner side of the second movable groove and the rubber support foot at the bottom end of the second rotary joint form a stable support mechanism together.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this longitudinal rigidity additional strengthening of subway shield tunnel supports adjustment mechanism and after the user installed the main tributary dagger, the user can carry out corresponding regulation through supporting the quick length to the flexible support column of adjustment mechanism to make the top of supporting plate to the tunnel support through the top that flexible support column can be better, and then make the vertical support to the tunnel that flexible support column and main tributary dagger can be better.
2. This subway shield tunnel longitudinal rigidity additional strengthening, stable supporting mechanism need place the main tributary dagger when the unevennesses subaerial vertically supports the tunnel, the user can adjust four rubber supporting legs's support length through stable supporting mechanism to make the main tributary dagger can be better support subaerial to flexible support column through four rubber supporting legs, and then make the vertical supporting effect to the tunnel better.
Drawings
FIG. 1 is a schematic view of the overall structure of the reinforcing structure of the present invention;
FIG. 2 is a schematic view of the overall front cross-sectional structure of the reinforcing structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;
fig. 4 is an enlarged schematic structural diagram of the position B of the present invention.
The labels in the figure are: 1. a telescopic support column; 2. a top support plate; 3. an auxiliary support frame; 4. rotating the adjusting block; 5. a projecting post; 6. fixing the disc; 7. a main support column; 8. a base; 9. a square movable groove; 10. embedding a screw rod; 11. a first rotary joint; 12. a first movable slot; 13. a first thread groove; 14. a support bar; 15. a second thread groove; 16. a second rotary joint; 17. a second movable slot; 18. the rubber supports the foot.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a longitudinal rigidity strengthening structure of a subway shield tunnel comprises a telescopic supporting column 1, a top supporting plate 2, a main supporting column 7 and a base 8, wherein the bottom end of the telescopic supporting column 1 is movably connected with a rotary adjusting block 4, the bottom end of the rotary adjusting block 4 is connected with a fixed disc 6 in an embedded manner, the bottom end of the fixed disc 6 is fixedly connected with the main supporting column 7, the bottom end of the main supporting column 7 is fixedly connected with the base 8, the periphery of the bottom of the rotary adjusting block 4 is fixedly connected with a first rotary joint 11, the periphery of the bottom of the first rotary joint 11 is connected with a first movable groove 12 in an embedded manner, the middle of the rotary adjusting block 4 is connected with a first thread groove 13 in a penetrating manner, the periphery of the base 8 is connected with a second thread groove 15 in a penetrating manner, the inner side of the second thread groove 15 is connected with a supporting rod 14 in a penetrating manner, the bottom end of the supporting, the bottom end of the second rotary joint 16 is fixedly connected with a rubber supporting foot 18, the top end of the telescopic supporting column 1 is fixedly connected with a top supporting plate 2, and the middle of the bottom of the telescopic supporting column 1 is fixedly connected with an embedded screw 10.
Preferably, the bottom both sides fixedly connected with auxiliary stay frame 3 of top backup pad 2, the top of auxiliary stay frame 3 is together fixed with top backup pad 2, the bottom is together fixed with the top both sides of telescopic support post 1 to a triangle-shaped form has been constituted, and then make auxiliary stay frame 3 can be more stable support top backup pad 2, make top backup pad 2 can be more stable through such setting fix the top at telescopic support post 1 through auxiliary stay frame 3.
Preferably, the periphery of the rotary adjusting block 4 is fixedly connected with the protruding columns 5, the periphery of the protruding columns 5 is provided with irregular patterns, the length of the telescopic supporting column 1 required to be adjusted by the supporting and adjusting mechanism is adjusted by a user, the user can drive the rotary adjusting block 4 to rotate correspondingly by manually holding the protruding columns 5, and the periphery of the protruding columns 5 is provided with the irregular patterns, so that the rotary adjusting block 4 can be driven to rotate better through the patterns when the user holds the protruding columns 5 manually (the patterns can increase the friction force between the palm of the user and the protruding columns 5).
Preferably, the main support column 7 is connected with a square movable groove 9 in an embedded manner, the square movable groove 9 is square when viewed from the top, so the bottom end of the embedded screw 10 is also square, the embedded screw 10 cannot rotate along with the rotating adjusting block 4 when the user rotates the rotating adjusting block 4, and can only move up and down through the square movable groove 9, and the user can better adjust the length of the telescopic support column 1 through the support adjusting mechanism through the arrangement.
Preferably, the rotary adjusting block 4, the fixed disk 6 at the bottom end of the rotary adjusting block 4, the first rotary joint 11 at the periphery of the bottom of the rotary adjusting block 4, the first movable groove 12 at the periphery of the bottom of the first rotary joint 11, and the first thread groove 13 in the middle of the rotary adjusting block 4 jointly form a supporting and adjusting mechanism, after a user uses the stable supporting mechanism to fixedly install the main supporting column 1 in a tunnel, the user can correspondingly adjust the length of the telescopic supporting column 1 through the supporting and adjusting mechanism, so that the telescopic supporting column 1 can better support the top of the tunnel through the top supporting plate 2, when the user uses the supporting and adjusting mechanism, the user can drive the rotary adjusting block 4 to rotate clockwise through a tool, when the user drives the rotary adjusting block 4 to rotate clockwise through the tool, the rotary adjusting block 4 can correspondingly rotate inside the first movable groove 12 through the first rotary joint 11, since the center of the rotation adjusting block 4 is provided with the first screw groove 13 having a straight screw with the periphery of the embedded screw 10, when the user rotates the rotary knob 4 clockwise, the embedded threaded rod 10 is slowly moved upward, while the embedded threaded rod 10 moves upwards, the telescopic supporting column 1 can slowly push the top supporting plate 2 to move upwards, so that the top support plate 2 can better support the top of the tunnel, and by this arrangement the user can, after installing the main support pole 7, the user can quickly adjust the length of the telescopic supporting column 1 through the supporting and adjusting mechanism, so that the telescopic supporting columns 1 can better support the top of the tunnel through the top supporting plate 1, thereby enabling the telescopic supporting columns 1 and the main supporting columns 7 to better support the longitudinal direction of the tunnel.
Preferably, the second thread groove 15 and the support bar 14 inside the second thread groove 15, the second movable groove 17 at the bottom end of the support bar 14, the second rotary joint 16 inside the second movable groove 17 and the rubber support foot 18 at the bottom end of the second rotary joint 16 jointly form a stable support mechanism, after a user carries the main support column 7 to an installation destination, the user can firstly place the main support column 7 on the installation floor through the base 8, after the main support column is placed, the user can check whether the rubber support feet 18 at the bottom ends around the base 8 are tightly attached to the ground, when a certain rubber support foot 18 is not tightly attached to the ground, the user can manually rotate the support bar 14 clockwise, so that the support bar 14 can slowly move downwards through the second thread groove 15, and when the support bar 14 rotates while moving downwards, the second rotary joint 16 can enter the inside the second movable groove 17 when the rubber support foot 18 is in contact with the ground Go corresponding rotation to make rubber supporting legs 18 can not rotate along with bracing piece 14 simultaneously, and then make the support that rubber supporting legs 18 can be better subaerial, make the user place main tributary dagger 7 on the subaerial tunnel of unevenness when carrying out longitudinal support through such setting up, the user can adjust the support length of four rubber supporting legs 18 through stabilizing supporting mechanism, thereby make main tributary dagger 7 can be better support subaerial to flexible support column 1 through four rubber supporting legs 18, and then make the longitudinal support effect to the tunnel better.
The working principle is as follows: at first, the top of auxiliary stay frame 3 is together fixed with top backup pad 2, and the bottom is together fixed with telescopic support post 1's top both sides to a triangle-shaped form has been constituted, and then make auxiliary stay frame 3 can be more stable support top backup pad 2, make top backup pad 2 can be more stable through such setting fix the top at telescopic support post 1 through auxiliary stay frame 3.
Then, irregular patterns are arranged on the periphery of the protruding column 5, and when a user needs to use the supporting and adjusting mechanism to adjust the length of the telescopic supporting column 1, the user can manually hold the protruding column 5 to drive the rotary adjusting block 4 to rotate correspondingly, and the irregular patterns are arranged on the periphery of the protruding column 5, so that the user can better drive the rotary adjusting block 4 to rotate through the patterns when manually holding the protruding column 5 (the arrangement of the patterns can increase the friction force between the palm of the user and the protruding column 5).
Next, since the square movable groove 9 is square in a plan view, the bottom end of the embedded screw 10 is also square, and therefore, when the user rotates the rotation adjustment block 4, the embedded screw 10 cannot rotate simultaneously with the rotation adjustment block 4, and can only move up and down through the square movable groove 9, and by such an arrangement, the user can better adjust the length of the telescopic supporting column 1 through the supporting adjustment mechanism.
Next, after the user uses the stable supporting mechanism to fixedly install the main supporting column 1 in the tunnel, the user can correspondingly adjust the length of the telescopic supporting column 1 through the supporting adjusting mechanism, so that the telescopic supporting column 1 can better support the top of the tunnel through the top supporting plate 2, when the user uses the supporting adjusting mechanism, the user can drive the rotary adjusting block 4 to rotate clockwise through the tool, when the user drives the rotary adjusting block 4 to rotate clockwise through the tool, the rotary adjusting block 4 can correspondingly rotate inside the first movable groove 12 through the first rotary joint 11, because the first thread groove 13 with a straight thread which is in line with the periphery of the embedded screw 10 is arranged in the middle of the rotary adjusting block 4, when the user rotates the rotary adjusting block 4 clockwise, the embedded screw 10 will slowly move upwards, when embedding threaded rod 10 up-moving, flexible support column 1 also can slow promotion top backup pad 2 up-moving, thereby make top backup pad 2 can be better support the top in tunnel, make the user install main tributary strut 7 back through such setting up, the user can carry out corresponding regulation through the quick length to flexible support column 1 of supporting adjustment mechanism, thereby make flexible support column 1 can be better support the top in tunnel through top backup pad 1, and then make the vertical support to the tunnel that flexible support column 1 and main tributary strut 7 can be better.
Finally, after the user carries the main support column 7 to the installation destination, the user can place the main support column 7 on the installation ground through the base 8, after the placement, the user can check whether the rubber support feet 18 at the bottom ends around the base 8 are tightly attached to the ground, when a certain rubber support foot 18 is not tightly attached to the ground, the user can manually rotate the support rod 14 clockwise, so that the support rod 14 can slowly move downwards through the second thread groove 15, when the support rod 14 moves downwards and rotates, the second rotary joint 16 can correspondingly rotate on the inner side of the second movable groove 17 when the rubber support foot 18 is in contact with the ground, so that the rubber support feet 18 cannot simultaneously rotate along with the support rod 14, and the rubber support feet 18 can be better supported on the ground, through the arrangement, when a user places the main supporting column 7 on the ground with unevenness to longitudinally support the tunnel, the user can adjust the supporting lengths of the four rubber supporting feet 18 through the stabilizing and supporting mechanism, so that the main supporting column 7 can be better supported on the telescopic supporting column 1 through the four rubber supporting feet 18, the longitudinal supporting effect on the tunnel is better, and the working principle of the longitudinal rigidity reinforcing structure of the subway shield tunnel is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a subway shield tunnel longitudinal rigidity additional strengthening, includes flexible support column (1), top backup pad (2), main tributary dagger (7) and base (8), its characterized in that: the bottom swing joint of flexible support column (1) has rotation regulation piece (4), the bottom nested connection of rotation regulation piece (4) has fixed disk (6), the bottom fixedly connected with main tributary dagger (7) of fixed disk (6), the bottom fixedly connected with base (8) of main tributary dagger (7), the peripheral fixedly connected with first rotary joint (11) in bottom of rotation regulation piece (4), the peripheral nested connection in bottom of first rotary joint (11) has first movable groove (12), the centre through connection of rotation regulation piece (4) has first thread groove (13), the periphery through connection of base (8) has second thread groove (15), the inboard through connection of second thread groove (15) has bracing piece (14), the bottom embedding of bracing piece (14) is connected with second movable groove (17), the inner side of the second movable groove (17) is embedded and connected with a second rotary joint (16), and the bottom end of the second rotary joint (16) is fixedly connected with a rubber supporting leg (18).
2. The longitudinal rigidity reinforcing structure of the subway shield tunnel according to claim 1, wherein: the top fixedly connected with top backup pad (2) of flexible support column (1), fixedly connected with embedding screw rod (10) in the middle of the bottom of flexible support column (1).
3. The longitudinal rigidity reinforcing structure of the subway shield tunnel according to claim 2, wherein: and the two sides of the bottom end of the top supporting plate (2) are fixedly connected with auxiliary supporting frames (3).
4. The longitudinal rigidity reinforcing structure of the subway shield tunnel according to claim 1, wherein: the periphery of the rotary adjusting block (4) is fixedly connected with a protruding column (5).
5. The longitudinal rigidity reinforcing structure of the subway shield tunnel according to claim 1, wherein: the inside embedding of main tributary dagger (7) is connected with square activity groove (9).
6. The longitudinal rigidity reinforcing structure of the subway shield tunnel according to claim 1, wherein: the supporting and adjusting mechanism is formed by the rotary adjusting block (4), a fixed disc (6) at the bottom end of the rotary adjusting block (4), a first rotary joint (11) at the periphery of the bottom of the rotary adjusting block (4), a first movable groove (12) at the periphery of the bottom of the first rotary joint (11) and a first thread groove (13) in the middle of the rotary adjusting block (4).
7. The longitudinal rigidity reinforcing structure of the subway shield tunnel according to claim 1, wherein: the second thread groove (15) and a support rod (14) at the inner side of the second thread groove (15), a second movable groove (17) at the bottom end of the support rod (14), a second rotary joint (16) at the inner side of the second movable groove (17) and a rubber support foot (18) at the bottom end of the second rotary joint (16) jointly form a stable support mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022884064.6U CN213684162U (en) | 2020-12-05 | 2020-12-05 | Subway shield tunnel longitudinal rigidity additional strengthening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022884064.6U CN213684162U (en) | 2020-12-05 | 2020-12-05 | Subway shield tunnel longitudinal rigidity additional strengthening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213684162U true CN213684162U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022884064.6U Active CN213684162U (en) | 2020-12-05 | 2020-12-05 | Subway shield tunnel longitudinal rigidity additional strengthening |
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| Country | Link |
|---|---|
| CN (1) | CN213684162U (en) |
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- 2020-12-05 CN CN202022884064.6U patent/CN213684162U/en active Active
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