CN110467110B - Overturning mechanism and overturning method suitable for assembled underpass tunnel - Google Patents
Overturning mechanism and overturning method suitable for assembled underpass tunnel Download PDFInfo
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- CN110467110B CN110467110B CN201910832228.XA CN201910832228A CN110467110B CN 110467110 B CN110467110 B CN 110467110B CN 201910832228 A CN201910832228 A CN 201910832228A CN 110467110 B CN110467110 B CN 110467110B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000007306 turnover Effects 0.000 claims abstract description 32
- 230000008569 process Effects 0.000 claims abstract description 17
- 230000008093 supporting effect Effects 0.000 claims description 40
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 25
- 238000009434 installation Methods 0.000 description 18
- 238000009417 prefabrication Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
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- General Life Sciences & Earth Sciences (AREA)
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- Geology (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to the technical field of constructional engineering, in particular to a turnover mechanism suitable for an assembled underpass tunnel and a turnover method. The turnover mechanism has the advantages that turnover efficiency is greatly improved, labor intensity of workers in the turnover process is reduced, the risk of damage to prefabricated parts is reduced, and construction risk of the workers is also reduced.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a turnover mechanism and a turnover method suitable for an assembled underpass tunnel.
Background
In the technical field of building engineering, tunnel components are usually cast-in-place and prefabricated in urban underpass tunnel construction, and for the cast-in-place mode, a long maintenance period is needed, so that the construction period is not shortened, and at present, for a transfer type underpass tunnel, a prefabricated construction mode is usually adopted.
Although the construction period can be greatly shortened when the tunnel member is prefabricated by adopting a prefabrication method, the inventor finds that the prior tunnel member prefabrication construction still has the defects in further construction design, and particularly:
because the size and the weight of components related to the tunnel are large usually, and the overturning process is difficult, most of few prefabrication modes are prefabrication modes adopting working forms, but for some components, prefabrication under the working forms is inconvenient, for example, for an M frame beam and a W frame beam, when a pouring mould is manufactured according to the W frame beam, and the M frame beam is prefabricated, the pouring mould is difficult to overturn, so that after the components are prefabricated, the prefabricated components need to be overturned by 180 degrees, because the M frame beam is large in size and heavy in weight, the M frame beam is usually overturned in a traditional mode that large hoisting equipment is matched with a sand pit at present, the overturning method is low in work efficiency, meanwhile, the prefabricated components are easy to damage in the overturning process, and a large construction risk exists in the overturning process.
Therefore, at present, a turning device which is suitable for turning tunnel components, can improve turning efficiency and reduce construction risks needs to be designed.
Disclosure of Invention
The invention aims to: aiming at the defects that the prior tunnel member has low overturning work efficiency, is easy to damage a prefabricated member in the overturning process and has great construction danger in the overturning process, the overturning device not only can be suitable for overturning the tunnel member, but also can improve the overturning efficiency and reduce the construction danger is provided.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a tilting mechanism suitable for assembled tunnel of wearing down, includes the card that is used for holding prefabricated component and holds the part and be used for supporting the first supporting seat and the second supporting seat of holding the part are held to the card, the card is held the component and is had the prefabricated component can run through the card that passes through in vertical and hold the space, first supporting seat and second supporting seat set up relatively, and with supporting component rotary fit still be provided with the drive on first supporting seat and/or the second supporting seat hold part pivoted drive assembly the card is held still to be provided with a plurality of passing on holding the part the bracing piece in card space is held, the bracing piece is used for vertical right the prefabricated component forms the support, the bracing piece with it connects for detachable to hold between the part.
The turnover mechanism is in a prefabricating state after prefabrication of prefabricated parts is completed, if the prefabricated parts in the state are directly transported to a construction site, direct assembly is difficult, the state of the prefabricated parts needs to be adjusted to an installation state, therefore, by adopting the turnover mechanism, after prefabrication of the prefabricated parts is completed, a lower supporting rod is arranged for the prefabricated parts needing to be rotated and turned, then the prefabricated parts are lifted to a clamping space by adopting a lifting device, the corresponding supporting rods above the prefabricated parts are arranged, then a driving part is started to rotate or reverse the clamping part by 180 degrees, when the prefabricated parts rotate to the same installation state, the driving part is stopped, the supporting rods above the prefabricated parts are dismantled, then the prefabricated parts are lifted to an installation position or carrying equipment, and thus position adjustment of the prefabricated parts is realized, adopt the tilting mechanism of this application, compare in the mode of traditional large-scale hoisting equipment cooperation sand pit, upset efficiency has obtained very big improvement, but also has reduced workman's among the upset process intensity of labour, owing to all have the support of card holding part and bracing piece in whole upset process, has reduced the risk that prefabricated component damaged, has also reduced workman's construction risk.
As a preferred technical solution, the clamping component includes a first truss piece and a second truss piece which are arranged oppositely, a distance which is adapted to the width of the prefabricated component is provided between the first truss piece and the second truss piece, the first truss piece and the second truss piece are further provided with a first connecting assembly and a second connecting assembly which are used for fixing the relative positions of the first truss piece and the second truss piece, the distance between the first connecting assembly and the second connecting assembly is greater than the length of the prefabricated component, so that the clamping space is formed between the first truss piece and the second truss piece, and the supporting rods are detachably connected to the first truss piece and the second truss piece respectively.
Preferably, the first connecting assembly and the second connecting assembly are arranged at the ends of the first truss piece and the second truss piece, and the first connecting assembly and/or the second connecting assembly are in transmission connection with the driving component.
As a preferable technical solution, a limiting part is detachably connected between the first connecting assembly and/or the second connecting assembly and the holding part, and the limiting part is used for fixing the relative position between the holding part and the first connecting assembly and/or the second connecting assembly.
Preferably, a speed reducer is further provided between the first connecting assembly and/or the second connecting assembly and the driving member.
As a preferable technical scheme, a plurality of sliding support assemblies are further arranged on the clamping component, each sliding support assembly is arranged at intervals along the length direction of the clamping component, and the sliding support assemblies are used for providing vertical support for the clamping component in the overturning process of the clamping component.
As a preferable technical scheme, the sliding support assembly comprises an arc-shaped guide rail connected with the clamping part, the outer layer edge of the guide rail is arc-shaped, the center of the arc-shaped guide rail is coincident with the rotation central axis of the clamping part, and a guide wheel matched with the guide rail is further arranged on the basis corresponding to the guide rail.
Preferably, the guide wheel vertically supports the guide rail.
As a preferable technical scheme, the guide rail is in the shape of an arc plate, and a plurality of support frames are detachably connected between the guide rail and the clamping part.
As a preferred technical solution, the guide rail is a split structure including a first guide rail section and a second guide rail section, the first guide rail section is two, one of the first guide rail section is located at one end of the vertical opening of the clamping space, the other guide rail section is located at the other end of the vertical opening of the clamping space, and the second guide rail section is disposed between the two first guide rail sections. The first guide rail section and/or the second guide rail section are detachably connected with the clamping part, and when the first guide rail section is detached, the prefabricated part can vertically penetrate through the clamping space, so that the guide rail does not form obstruction to the hoisting of the prefabricated part.
The application also discloses a method for prefabricating the tunnel frame member by adopting the turnover mechanism,
step one, a design step: in the design stage, dividing a tunnel frame component to be constructed into a W-shaped frame and an M-shaped frame along the horizontal direction;
step two, casting mold manufacturing: manufacturing a W-shaped frame pouring mold or an M-shaped frame pouring mold;
step three, pouring: pouring the W-shaped frame and the M-shaped frame in the W-shaped frame pouring mold or the M-shaped frame pouring mold in the second step;
step four, turning over the component:
when the pouring mold is a W-shaped frame pouring mold, hoisting the M-shaped frame obtained by pouring into a clamping space of the turnover mechanism, and then starting a driving device of the turnover mechanism to turn over the clamping part by 180 degrees so as to enable the M-shaped frame to be in an installation form;
when the pouring mold is an M-shaped frame pouring mold, the poured W-shaped frame is lifted to the clamping space of the turnover mechanism, and then the driving device of the turnover mechanism is started to turn over the clamping part by 180 degrees, so that the W-shaped frame is in an installation form.
As a preferred technical scheme, in the fourth step, after the prefabricated member is hoisted into the clamping space, a skid is further embedded into a gap between the prefabricated member and the side wall of the clamping space. The risk that the prefabricated part is displaced and damaged in the overturning process is avoided.
The tunnel frame component prefabricating method divides a tunnel frame into a W-shaped frame and an M-shaped frame along the horizontal direction, the W-shaped frame and the M-shaped frame are symmetrical along the horizontal dividing plane, so that only the pouring mould of the W-shaped frame or the M-shaped frame is needed to be manufactured when the pouring mould is manufactured, the prefabricating cost of the component is greatly reduced, in addition, the same pouring mould is adopted for prefabricating, the upper part or the lower part of the component is turned over for 180 degrees into the installation form through the turning mechanism, the tunnel component transported to the design position of the tunnel is ensured to be in the installation form without turning, the assembly construction is convenient, in addition, the uniformity of the structural quality of the upper part and the lower part of the tunnel frame component is also ensured, and the assembly construction and the quality of the tunnel frame component are also convenient during the field assembly.
Compared with the prior art, the invention has the beneficial effects that:
the turnover mechanism is in a prefabricating state after prefabrication of prefabricated parts is completed, if the prefabricated parts in the state are directly transported to a construction site, direct assembly is difficult, the state of the prefabricated parts needs to be adjusted to an installation state, therefore, by adopting the turnover mechanism, after prefabrication of the prefabricated parts is completed, a lower supporting rod is arranged for the prefabricated parts needing to be rotated and turned, then the prefabricated parts are lifted to a clamping space by adopting a lifting device, the corresponding supporting rods above the prefabricated parts are arranged, then a driving part is started to rotate or reverse the clamping part by 180 degrees, when the prefabricated parts rotate to the same installation state, the driving part is stopped, the supporting rods above the prefabricated parts are dismantled, then the prefabricated parts are lifted to an installation position or carrying equipment, and thus position adjustment of the prefabricated parts is realized, compared with the mode that the traditional large-scale hoisting equipment is matched with the sand pit, the turnover mechanism greatly improves turnover efficiency, reduces labor intensity of workers in the turnover process, reduces damage risks of prefabricated parts and reduces construction risks of the workers due to the fact that clamping parts and supporting rods are supported in the whole turnover process;
the tunnel frame component prefabricating method divides a tunnel frame into a W-shaped frame and an M-shaped frame along the horizontal direction, the W-shaped frame and the M-shaped frame are symmetrical along the horizontal dividing plane, so that only the pouring mould of the W-shaped frame or the M-shaped frame is needed to be manufactured when the pouring mould is manufactured, the prefabricating cost of the component is greatly reduced, in addition, the same pouring mould is adopted for prefabricating, the upper part or the lower part of the component is turned over for 180 degrees into the installation form through the turning mechanism, the tunnel component transported to the design position of the tunnel is ensured to be in the installation form without turning, the assembly construction is convenient, in addition, the uniformity of the structural quality of the upper part and the lower part of the tunnel frame component is also ensured, and the assembly construction and the quality of the tunnel frame component are also convenient during the field assembly.
Description of the drawings:
FIG. 1 is a schematic diagram of one embodiment of a turnover mechanism;
FIG. 2 is a schematic view of the canting mechanism of FIG. 1 engaged with a prefabricated component;
figure 3 is a schematic cross-sectional view a-a of figure 1,
the following are marked in the figure: 1-clamping part, 2-first supporting seat, 3-second supporting seat, 4-supporting rod, 5-first connecting component, 6-second connecting component, 7-limiting part, 8-speed reducer, 9-first guide rail section, 10-second guide rail section, 11-supporting frame, 12-guide wheel and 13-prefabricated part.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments, but it should not be construed that the scope of the above-described subject matter of the present invention is limited to the following examples, and that techniques realized based on the contents of the present invention are within the scope of the present invention.
Example 1, as shown in figures 1-3:
the utility model provides a tilting mechanism suitable for assembled tunnel of wearing down, includes the card that is used for holding prefabricated component 13 and holds part 1 and is used for supporting the first supporting seat 2 and the second supporting seat 3 of holding part 1 are held to the card, hold the component and have prefabricated component 13 can run through the card that passes through in vertical and hold the space, first supporting seat 2 and the relative setting of second supporting seat 3, and with supporting component rotary fit still be provided with the drive on first supporting seat 2 and/or the second supporting seat 3 hold part 1 pivoted drive unit hold part 1 and still be provided with a plurality of passages on holding part 1 hold bracing piece 4 in the space of holding, bracing piece 4 is used for vertical right prefabricated component 13 forms the support, bracing piece 4 with hold and be detachable between the part 1 and be connected.
After the prefabricated component 13 is prefabricated, in this embodiment, the prefabricated component 13 is in a prefabricated state by taking a W-shaped frame as an example, and if the prefabricated component 13 in this state is directly transported to a construction site, it is difficult to directly assemble, and it is necessary to adjust the state of the prefabricated component 13 to an installation state, so that, by using the turnover mechanism of this embodiment, after the prefabricated component 13 is prefabricated, for the prefabricated component 13 to be rotated and flipped, the lower support rod 4 is arranged first, the support rod 4 may be various profile rod members, such as i-steel, then, the prefabricated component 13 is lifted by a lifting device into the clamping space, the corresponding support rod 4 above the prefabricated component 13 is arranged, then the driving part is started to rotate or reverse the clamping part 1 by 180 degrees, the driving part is a conventional motor, when the prefabricated component 13 is rotated to the installation state, stop the driver part, then demolish bracing piece 4 above prefabricated component 13, then lift by crane prefabricated component 13 to the mounted position or carry the equipment on, so, realize the position control of prefabricated component 13, adopt the tilting mechanism of this embodiment, compare in the mode of traditional large-scale hoisting equipment cooperation sand pit, turnover efficiency has obtained very big improvement, and still reduced the intensity of labour of upset in-process workman, and owing to all there is the support of card dress part 1 and bracing piece 4 in whole upset in-process, the risk that prefabricated component 13 damaged has been reduced, workman's construction risk has also been reduced.
As a preferable embodiment, on the basis of the above embodiment, the holding member 1 further includes a first truss piece and a second truss piece which are arranged oppositely, a distance between the first truss piece and the second truss piece is configured to be matched with the width of the prefabricated component 13, a first connecting assembly 5 and a second connecting assembly 6 for fixing the opposite positions of the first truss piece and the second truss piece are further disposed on the first truss piece and the second truss piece, the distance between the first connecting assembly 5 and the second connecting assembly 6 is greater than the length of the prefabricated component 13, so that the holding space is formed between the first truss piece and the second truss piece, and the support rods 4 are detachably connected to the first truss piece and the second truss piece respectively. In this embodiment, first truss piece and second truss piece obtain slice truss girder for adopting the structure member piecing together, and the dead truss piece has good structural strength on the one hand, and weight is lighter moreover, when realizing good supporting effect, still has lighter weight, reduces the upset degree of difficulty, forms the card that link up from top to bottom between first truss piece and second truss piece naturally moreover and holds the space, has also made things convenient for hanging into and hanging out of prefabricated component 13.
In a preferred embodiment, the first connecting member 5 and the second connecting member 6 are arranged at the ends of the first truss segment and the second truss segment, and the first connecting member 5 and/or the second connecting member 6 are in transmission connection with the driving member.
In a preferred embodiment, a position limiting component 7 is detachably connected between the first connecting component 5 and/or the second connecting component 6 and the holding part 1, and the position limiting component 7 is used for fixing the relative position between the holding part 1 and the first connecting component 5 and/or the second connecting component 6. In the shutdown operation process, the clamping part 1 is fixedly clamped through the limiting part 7, so that the construction safety is ensured, and in the embodiment, the limiting part 7 is a limiting pin.
In a preferred embodiment, a speed reducer 8 is further provided between the first connecting assembly 5 and/or the second connecting assembly 6 and the driving member. Through setting up reduction gear 8, reduction gear 8's rotation input section links to each other with drive assembly's power take off end, and reduction gear 8's rotation output end links to each other with first coupling assembling 5 and/or second coupling assembling 6, adopts such mode on the one hand to increase the moment of torsion output, so can reduce drive arrangement power requirement, and on the other hand still reduces the slew velocity of card holding part 1, avoids rotating at the excessive speed and leads to the risk that prefabricated component 13 damaged to and reduce the construction risk.
As a preferred embodiment, a plurality of sliding support assemblies are further disposed on the holding part 1, each sliding support assembly is spaced apart along the length direction of the holding part 1, and the sliding support assemblies are used for providing vertical support for the holding part 1 during the overturning process of the holding part 1. Through the support of the sliding support component, the safety and the reliability of the clamping part 1 in the rotating process are further improved.
As a preferred embodiment, the sliding support assembly includes an arc-shaped guide rail connected to the retaining member 1, an outer edge of the guide rail is arc-shaped, a center of the arc-shaped guide rail coincides with a rotation central axis of the retaining member 1, and a guide wheel 12 matched with the guide rail is further disposed on a basis corresponding to the guide rail. In this application, the cooperation of guide rail and guide pulley is conventional guide rail guide pulley cooperation, through the cooperation of guide rail and guide pulley 12, not only forms good support to the part 1 that blocks, but also can play the guide effect, further ensures the stability and the reliability that the part 1 overturns are blocked to the card.
In a preferred embodiment, the guide wheel 12 supports the guide rail in the vertical direction.
In a preferred embodiment, the guide rail is a circular arc plate, and a plurality of support frames 11 are detachably connected between the guide rail and the holding member 1. A light weight is also ensured while a reliable supporting effect is created.
In a preferred embodiment, the guide rail is a split structure including a first guide rail section 9 and a second guide rail section 10, the first guide rail section 9 is two, one of the two guide rail sections is located at one end of the vertical opening of the catching space, the other guide rail section is located at the other end of the vertical opening of the catching space, and the second guide rail section 10 is disposed between the two first guide rail sections 9. The first guide rail section 9 and/or the second guide rail section 10 are detachably connected with the clamping part 1, when the first guide rail section 9 is removed, the prefabricated part 13 can vertically penetrate through a clamping space, and the guide rail does not form obstruction to the hanging-in and hanging-out of the prefabricated part 13.
Example 2, as shown in figures 1-3,
a method for prefabricating a tunnel frame member by adopting the turnover mechanism,
step one, a design step: in the design stage, dividing a tunnel frame component to be constructed into a W-shaped frame and an M-shaped frame along the horizontal direction;
step two, casting mold manufacturing: manufacturing a W-shaped frame pouring mold or an M-shaped frame pouring mold;
step three, pouring: pouring the W-shaped frame and the M-shaped frame in the W-shaped frame pouring mold or the M-shaped frame pouring mold in the second step;
step four, turning over the component:
when the pouring mold is a W-shaped frame pouring mold, hoisting the M-shaped frame obtained by pouring into a clamping space of the turnover mechanism, and then starting a driving device of the turnover mechanism to turn over the clamping component 1 by 180 degrees so as to enable the M-shaped frame to be in an installation form;
when the pouring mold is an M-shaped frame pouring mold, the poured W-shaped frame is lifted to the clamping space of the turnover mechanism, and then the driving device of the turnover mechanism is started to turn the clamping part 1 for 180 degrees, so that the W-shaped frame is in an installation form.
In a preferred embodiment, in the fourth step, after the prefabricated member is hoisted into the holding space, a skid is further embedded in the gap between the prefabricated member 13 and the side wall of the holding space. The risk of displacement and damage of the prefabricated part 13 during the turning-over process is avoided.
The tunnel frame member prefabricating method of the embodiment divides a tunnel frame into a W-shaped frame and an M-shaped frame along the horizontal direction, the W-shaped frame and the M-shaped frame are symmetrical along the horizontal dividing plane, so that only a pouring mould of the W-shaped frame or the M-shaped frame is needed to be manufactured when a pouring mould is manufactured, the prefabricating cost of the member is greatly reduced, in addition, the same pouring mould is adopted for prefabricating, the upper part or the lower part of the member is turned into an installation form by 180 degrees through a turning mechanism, the tunnel member transported to the design position of the tunnel is ensured to be in the installation form without turning, the assembly construction is convenient, the uniformity of the structural quality of the upper part and the lower part of the tunnel frame member is also ensured, and the assembly construction and the quality of the tunnel frame member are also convenient during field assembly.
The above embodiments are only used for illustrating the invention and not for limiting the technical solutions described in the invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; all such modifications and variations are intended to be included herein within the scope of this disclosure and the appended claims.
Claims (8)
1. The utility model provides a tilting mechanism suitable for tunnel is worn under assembled which characterized in that: the clamping device comprises a clamping part for clamping a prefabricated part, a first supporting seat and a second supporting seat for supporting the clamping part, wherein the clamping part is provided with a clamping space through which the prefabricated part can vertically penetrate, the first supporting seat and the second supporting seat are oppositely arranged and are in rotary fit with the clamping part, a driving part for driving the clamping part to rotate is further arranged on the first supporting seat and/or the second supporting seat, a plurality of supporting rods penetrating through the clamping space are further arranged on the clamping part, the supporting rods are used for vertically supporting the prefabricated part, and the supporting rods are detachably connected with the clamping part; the clamping component comprises a first truss sheet and a second truss sheet which are arranged oppositely, the distance between the first truss sheet and the second truss sheet is matched with the width of a prefabricated part, the first truss sheet and the second truss sheet are further provided with a first connecting assembly and a second connecting assembly which are used for fixing the relative positions of the first truss sheet and the second truss sheet, the distance between the first connecting assembly and the second connecting assembly is larger than the length of the prefabricated part, so that a clamping space is formed between the first truss sheet and the second truss sheet, and the supporting rods are respectively detachably connected with the first truss sheet and the second truss sheet.
2. The canting mechanism of claim 1 wherein: the first connecting assembly and the second connecting assembly are arranged at the ends of the first truss piece and the second truss piece, and the first connecting assembly and/or the second connecting assembly are in transmission connection with the driving component.
3. The canting mechanism of claim 1 wherein: and a limiting part is detachably connected between the first connecting assembly and/or the second connecting assembly and the clamping part, and the limiting part is used for fixing the relative position between the clamping part and the first connecting assembly and/or the second connecting assembly.
4. A turnover mechanism as set forth in claim 3 in which: and a speed reducer is arranged between the first connecting assembly and/or the second connecting assembly and the driving part.
5. The canting mechanism of claim 4 wherein: the clamping part is also provided with a plurality of sliding support assemblies, each sliding support assembly is arranged along the length direction of the clamping part at intervals, and the sliding support assemblies are used for providing vertical support for the clamping part in the overturning process of the clamping part.
6. The canting mechanism of claim 5 wherein: the sliding support assembly comprises an arc-shaped guide rail connected with the clamping component, the outer layer edge of the guide rail is arc-shaped, the center of the arc-shaped guide rail is coincident with the rotation central axis of the clamping component, and a guide wheel matched with the guide rail is further arranged on the basis corresponding to the guide rail.
7. The canting mechanism of claim 6 wherein: the guide rail is in the shape of a circular arc plate, and a plurality of support frames are detachably connected between the guide rail and the clamping part.
8. The canting mechanism of claim 7 wherein: the guide rail is a split structure comprising a first guide rail section and a second guide rail section, the number of the first guide rail section is two, one of the first guide rail section is located at one end of the vertical opening of the clamping space, the other guide rail section is located at the other end of the vertical opening of the clamping space, and the second guide rail section is arranged between the two first guide rail sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910832228.XA CN110467110B (en) | 2019-09-04 | 2019-09-04 | Overturning mechanism and overturning method suitable for assembled underpass tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910832228.XA CN110467110B (en) | 2019-09-04 | 2019-09-04 | Overturning mechanism and overturning method suitable for assembled underpass tunnel |
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| Publication Number | Publication Date |
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| CN110467110A CN110467110A (en) | 2019-11-19 |
| CN110467110B true CN110467110B (en) | 2020-06-30 |
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| CN207861824U (en) * | 2017-12-25 | 2018-09-14 | 北京中铁房山桥梁有限公司 | The concrete prefabricated piping lane tipping arrangement of track bearing-type |
| CN108483371B (en) * | 2018-03-22 | 2019-11-05 | 通号建设集团有限公司 | A kind of turning operation mechanism and prefabricated piping lane method for turning |
| CN208105313U (en) * | 2018-03-30 | 2018-11-16 | 广西路桥工程集团有限公司 | A kind of device for the overturning of prefabricated underground pipe gallery framework of steel reinforcement |
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2019
- 2019-09-04 CN CN201910832228.XA patent/CN110467110B/en active Active
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