CN213392186U - Shallow-buried bias small-clear-distance tunnel lining trolley - Google Patents
Shallow-buried bias small-clear-distance tunnel lining trolley Download PDFInfo
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- CN213392186U CN213392186U CN202021936530.4U CN202021936530U CN213392186U CN 213392186 U CN213392186 U CN 213392186U CN 202021936530 U CN202021936530 U CN 202021936530U CN 213392186 U CN213392186 U CN 213392186U
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Abstract
The utility model discloses a shallow little clean apart from tunnel lining platform truck of bias voltage that buries relates to tunnel construction equipment technical field. The utility model comprises a walking track laid in the tunnel channel, a trolley arranged on the walking track and a walking mechanism arranged on the trolley; a template component is connected outside the trolley, a supporting component of the template component is arranged in the trolley, and the template component comprises a plurality of steel templates which can be folded and spliced; the supporting component comprises a vault supporting piece, a waist supporting piece and an arch foot supporting piece, and the vault supporting piece and the waist supporting piece are respectively abutted against different steel templates; the arch support comprises a flat top plate and a hydraulic oil cylinder, and a piston rod of the hydraulic oil cylinder is connected to the flat top plate. The utility model provides a biasing support avoids at the lining cutting in-process, because the harm that the biasing caused, makes the construction safer.
Description
Technical Field
The utility model relates to a tunnel construction equipment technical field, concretely relates to shallow little clean apart from tunnel lining platform truck of bias voltage that buries.
Background
The tunnel lining trolley consists of a trolley and a template. The template takes profile steel as a framework, an upper laying steel plate forms a shell, a drawing mechanism is arranged, and the template erecting and removing operations are carried out through an electric hydraulic device arranged on a trolley. The template and the trolley are independent systems, after the concrete is poured into each section of lining, the trolley can be separated from the template, and the lining concrete is supported by the template structure. After another section of formwork which can be disassembled by pouring concrete is collected by the trolley, the trolley is pulled by the electric level vehicle, passes through the installed formwork and then reaches the front pre-pouring section to carry out formwork erection operation.
The shallow-buried bias tunnel is a tunnel with larger surrounding rock pressure difference or asymmetric load action at two sides of a tunnel supporting structure. The section is generally in a horseshoe shape, and due to factors such as asymmetric terrain, geological rock stratum, construction and the like, loads on two sides of the tunnel structure are asymmetric, so that bias voltage is formed.
When the bias voltage is not large, the back pressure backfill method is generally preferred to change the topography of the bias voltage terrain and increase the stability of the tunnel and the slope, but before backfilling, the influence caused by the bias voltage terrain needs to be considered when lining is carried out.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shallow little clear distance tunnel lining platform truck of bias voltage that buries provides the bias voltage and supports, avoids at the lining cutting in-process, because the harm that the bias voltage caused makes the construction safer.
In order to realize the above purpose, the utility model discloses a technical scheme specifically be:
a shallow-buried bias small-clear-distance tunnel lining trolley comprises a travelling rail paved in a tunnel channel, a trolley arranged on the travelling rail and a travelling mechanism arranged on the trolley; a template component is connected outside the trolley, a supporting component of the template component is arranged in the trolley, and the template component comprises a plurality of steel templates which can be folded and spliced; the supporting component comprises a vault supporting piece, a waist supporting piece and an arch foot supporting piece, and the vault supporting piece and the waist supporting piece are respectively abutted against different steel templates; the arch support comprises a flat top plate and a hydraulic oil cylinder, and a piston rod of the hydraulic oil cylinder is connected to the flat top plate.
Furthermore, the walking track comprises I-shaped rails, a sleeper installed between the two I-shaped rails and I-shaped rail fixing structures installed at two ends of the sleeper.
Furthermore, the fixed knot constructs including a backup plate, and the backup plate passes through the card firmware to be fixed on the sleeper, and backup plate one end is provided with the arc screens section, the arc screens section and I-shaped rail bottom adaptation.
Further, the formwork assembly further comprises an arch foot supporting formwork frame, supporting steel bars are arranged in the arch foot supporting formwork frame, and the arch foot supporting formwork frame is communicated with the steel formwork.
Further, be provided with hydraulic system on the platform truck, hydraulic system includes oil pump and a plurality of hydro-cylinder, and the hydro-cylinder includes perpendicular hydro-cylinder, side direction hydro-cylinder and hunch foot support cylinder at least.
Further, the vertical rams are connected to a dome support, the lateral rams are connected to a lumbar support, and the arch support rams are connected to an arch support.
Further, a concrete injection hole is arranged on the steel formwork arranged at the top.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a provide hunch foot support piece, additionally provide the holding power to hunch foot position, and the extra reinforced concrete's that provides of hunch foot department supports. Tunnel bias pressure makes lining structure atress asymmetric, and is most unfavorable to the lining arch foot atress of the great one side of buried depth, and the uneven problem of bias pressure atress can effectively be solved to arch foot support piece at the extra holding power of lining in-process to form reinforced concrete structure in arch foot department, support as the later stage, avoid the destruction that the arch foot atress is uneven causes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a schematic structural view of a shallow-buried bias small-clearance tunnel lining trolley provided by the present invention;
fig. 2 is a schematic structural view of an i-shaped rail of the shallow-buried bias small-clear-distance tunnel lining trolley provided by the present invention;
FIG. 3 is a first schematic view of the shallow-buried bias small-clearance tunnel lining trolley provided by the present invention;
FIG. 4 is a second schematic view of the shallow bias small clear distance tunnel lining trolley according to the present invention;
FIG. 5 is a third schematic view of the shallow bias small clear distance tunnel lining trolley according to the present invention;
FIG. 6 is a fourth schematic view of the shallow bias small clear distance tunnel lining trolley according to the present invention;
FIG. 7 is a fifth schematic view of the shallow bias small clear distance tunnel lining trolley according to the present invention;
reference numerals: the concrete mixing and transporting device comprises a trolley 1, a walking track 2, a template component 3, an arch foot supporting piece 4, an I-shaped rail 5, a supporting plate 6, a clamping piece 7, a vertical oil cylinder 8, a lateral oil cylinder 9, a concrete mixing and transporting machine 10 and a concrete guide pipe 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
As shown in fig. 1, a shallow-buried bias small-clear-distance tunnel lining trolley comprises a walking track 2 laid in a tunnel channel, a trolley 1 arranged on the walking track 2 and a walking mechanism arranged on the trolley 1; the trolley 1 is externally connected with a template component 3, a supporting component of the template component 3 is arranged in the trolley 1, and the template component 3 comprises a plurality of steel templates which can be folded and spliced; the supporting component comprises a vault supporting piece, a waist supporting piece and an arch foot supporting piece 4, and the vault supporting piece and the waist supporting piece are respectively abutted against different steel templates; the arch foot support 4 comprises a flat top plate and a hydraulic oil cylinder, and a piston rod of the hydraulic oil cylinder is connected to the flat top plate.
In a shallow-buried bias tunnel, the deterioration of lining bending moment on the tunnel section is irregular, the bending moment of a vault part is relatively small, the bending moment of two side arch feet is large, and because the tunnel has certain bias, the stress on two sides of the tunnel is not even, so that the stress on one side is more adverse, particularly the stress on the arch feet of the side. The utility model provides a shallow little clean apart from tunnel lining platform truck 1 of bias voltage that buries adopts rail mounted running gear to be used for advancing to through providing hunch foot support piece 4, additionally provide the holding power to hunch foot position, and additionally provide reinforced concrete's additional support in hunch foot department.
The flat top plate of the arch springing supporting piece 4 is stably propped against the arch springing template through a hydraulic oil cylinder of the flat top plate, and can make an additional arch springing supporting template frame prop open, so that reinforced concrete reinforced support is formed at the arch springing.
The walking track 2 comprises I-shaped rails 5, sleepers arranged between the two I-shaped rails 5 and I-shaped rail 5 fixing structures arranged at two ends of the sleepers. The fixing structure comprises a supporting plate 6, the supporting plate 6 is fixed on the sleeper through a clamping piece 7, an arc clamping section is arranged at one end of the supporting plate 6, and the arc clamping section is matched with the bottom of the I-shaped rail 5. And a track type travelling mechanism is adopted, so that the load resistance is stronger. And the I-shaped rail 5 is reinforced through the supporting plate 6, so that derailment and deformation caused by factors of bias voltage are avoided.
The template component 3 further comprises an arch foot supporting template frame, supporting steel bars are arranged in the arch foot supporting template frame, and the arch foot supporting template frame is communicated with the steel template. The arch foot supporting template frame can form a reinforced concrete structure at the arch foot position and form supporting reinforcement. The steel formwork of the vault formwork is formed by bending 18-size I-steel and channel steel, a steel plate with the thickness of 6mm is paved and welded on the surface of the vault formwork, and a concrete injection hole is reserved in the top of the steel formwork.
The formwork assembly 3 further comprises 11 pieces of vault formworks, footing formworks, folding formworks, side wall formworks, arch footing formworks, arch waist formworks, widening blocks and the like, and fittings of footing jacks, footing inclined struts, plug blocks, folding hinges, connecting hinges and the like, and the specific structure and the use of the formwork assembly 3 are restricted by those skilled in the art and are not described repeatedly herein.
And a hydraulic system is arranged on the trolley 1, the hydraulic system comprises an oil pump and a plurality of oil cylinders, and the oil cylinders at least comprise a vertical oil cylinder 8, a lateral oil cylinder 9 and an arch foot supporting oil cylinder. The vertical oil cylinder 8 is connected to the vault support piece, the vault support piece is driven to move through the vertical oil cylinder 8, the vault support piece is connected with a vault template, and the vault template is folded or unfolded through the movement of the vault support piece. Similarly, the lateral oil cylinder 9 is connected to the waist support member, and the arch foot support oil cylinder is connected to the arch foot support member 4 and respectively controls the side wall templates and the like to be folded or unfolded.
In particular use, first, as shown in figure 3, the formwork assemblies 3 are collapsed at this point and the lining trolley 1 is moved through the tracks laid in the tunnel and brought to the desired position. Secondly, as shown in fig. 4, when the trolley 1 reaches a predetermined position, the hydraulic system on the lining trolley 1 starts to work, the vertical oil cylinder 8 works, and the vertical oil cylinder 8 drives the vault support member to ascend, so that the vault formwork connected to the vault support member reaches a designated position, and the first strutting operation is completed. Then, as shown in fig. 5, the lateral cylinders 9 are operated, and the lateral cylinders 9 open the reinforcing formworks to a specified position, and in the process, the arch springing supports 4 are operated to abut against the arch springing position formwork and open the arch springing support formwork frame to a specified position. Then, as shown in fig. 6, the concrete mixing conveyor is operated, and the concrete guide pipe 11 is connected to the concrete injection hole on the top of the steel formwork of the arch crown formwork and the mixed concrete is poured in. After the concrete is poured, the truck 1 is separated from the form as shown in fig. 7 after the concrete is cooled and solidified, and the above work is repeated to move to the next station.
In the process, the problem of uneven stress of the bias voltage can be effectively solved by the extra supporting force of the arch springing supporting piece 4 in the lining process, and a reinforced concrete structure is formed at the arch springing position and used as later-stage support to avoid damage caused by uneven stress of the arch springing. The problem that the stress of the lining structure is asymmetric due to tunnel bias and the stress of the lining arch springing on the side with larger burial depth is the most unfavorable is solved.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (7)
1. The utility model provides a shallow little clear distance tunnel lining platform truck of bias voltage that buries which characterized in that: comprises a walking track (2) laid in a tunnel channel, a trolley (1) arranged on the walking track (2) and a walking mechanism arranged on the trolley (1); the trolley (1) is externally connected with a template component (3), a supporting component of the template component (3) is arranged in the trolley (1), and the template component (3) comprises a plurality of steel templates which can be furled and spliced; the supporting component comprises a vault supporting piece, a waist supporting piece and an arch foot supporting piece (4), and the vault supporting piece and the waist supporting piece are respectively abutted against different steel templates; the arch support (4) comprises a flat top plate and a hydraulic oil cylinder, and a piston rod of the hydraulic oil cylinder is connected to the flat top plate.
2. The shallow-buried biased small-clearance tunnel lining trolley of claim 1, wherein: the walking track (2) comprises I-shaped rails (5), a sleeper installed between the two I-shaped rails (5) and I-shaped rail (5) fixing structures installed at the two ends of the sleeper.
3. The shallow-buried biased small-clearance tunnel lining trolley of claim 2, wherein: the fixing structure comprises a supporting plate (6), the supporting plate (6) is fixed on a sleeper through a clamping piece (7), an arc clamping section is arranged at one end of the supporting plate (6), and the arc clamping section is matched with the bottom of the I-shaped rail (5).
4. The shallow-buried biased small-clearance tunnel lining trolley of claim 1, wherein: template subassembly (3) still include hunch foot support template frame, be provided with the support reinforcement in the hunch foot support template frame, just hunch foot support template frame and steel form intercommunication.
5. The shallow-buried biased small-clearance tunnel lining trolley of claim 1, wherein: the hydraulic system is arranged on the trolley (1) and comprises an oil pump and a plurality of oil cylinders, and the oil cylinders at least comprise vertical oil cylinders (8), lateral oil cylinders (9) and arch foot supporting oil cylinders.
6. The shallow-buried biased small-clearance tunnel lining trolley of claim 5, wherein: the vertical cylinders (8) are connected to the arch support, the lateral cylinders (9) are connected to the lumbar support, and the arch support cylinders are connected to the arch support (4).
7. The shallow-buried biased small-clearance tunnel lining trolley of claim 1, wherein: the steel form at the top is provided with a concrete injection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021936530.4U CN213392186U (en) | 2020-09-08 | 2020-09-08 | Shallow-buried bias small-clear-distance tunnel lining trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021936530.4U CN213392186U (en) | 2020-09-08 | 2020-09-08 | Shallow-buried bias small-clear-distance tunnel lining trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213392186U true CN213392186U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021936530.4U Active CN213392186U (en) | 2020-09-08 | 2020-09-08 | Shallow-buried bias small-clear-distance tunnel lining trolley |
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| CN (1) | CN213392186U (en) |
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- 2020-09-08 CN CN202021936530.4U patent/CN213392186U/en active Active
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