CN112943357A - Tunnel center ditch template - Google Patents
Tunnel center ditch template Download PDFInfo
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- CN112943357A CN112943357A CN202110195243.5A CN202110195243A CN112943357A CN 112943357 A CN112943357 A CN 112943357A CN 202110195243 A CN202110195243 A CN 202110195243A CN 112943357 A CN112943357 A CN 112943357A
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 32
- 230000008569 process Effects 0.000 claims abstract description 31
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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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
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Architecture (AREA)
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel center ditch template, which comprises: the demoulding mechanism comprises a lower template, an upper template and a demoulding mechanism; the upper template and the lower template are attached, and the attaching surfaces of the upper template and the lower template are inclined planes; one of the upper template and the lower template is connected with the fixed end of the demoulding mechanism, and the other of the upper template and the lower template is connected with the telescopic end of the demoulding mechanism, so that the upper template can be arranged in a sliding way along the inclined plane relative to the lower template, and the width of the whole formed by the upper template and the lower template is changed in the sliding process. The tunnel center ditch template provided by the invention can realize automatic demoulding in the using process, so that the demoulding process is simplified, manual disassembly is not needed, the operation time is saved, and the working efficiency is improved; in addition, in the process of repeated use, the process of repeated assembly and disassembly is avoided, and manpower and material resources are saved.
Description
Technical Field
The invention relates to the technical field of tunnel construction equipment, in particular to a tunnel center ditch template.
Background
In the process of tunnel construction, most of double-line tunnels are designed by adopting a central ditch, and in the construction process, concrete pouring of the central ditch needs to be carried out independently. When the filling and leveling construction is carried out on the tunnel, the central ditch template is required to be used for reserving the position of the central ditch.
In the prior art, the templates of the central ditch are all split structures and are composed of scattered side molds, bottom molds and the like, and during construction, the scattered components need to be manually combined and spliced into the templates and then poured. Because the tunnel is usually very long, can reach several kilometers or even tens of kilometers, and the template of central ditch often only has several meters, and the template needs repeated dismantlement and equipment in the work progress, and it needs a large amount of manpowers, material resources, consumes labour, consuming time, and efficiency is extremely low.
In addition, the template formed by temporary combination is easy to generate defects such as gaps, dislocation and the like between plates; the overall line shape of the poured central ditch is difficult to control, and the appearance is influenced. In addition, the combination of the central ditch template has higher technical requirements on operators; concrete easily falls into the template inboard in the pouring process, causes clean difficulty.
In summary, how to improve the construction efficiency of the central ditch is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a tunnel central gutter template, wherein during a use process, an upper template can be driven to move relative to a lower template through extension and retraction of a demolding mechanism, so that the tunnel central gutter template is adjusted to a state corresponding to a central gutter, or an overall width formed by the upper template and the lower template is narrowed, so as to achieve demolding; the problem of existing equipment in the use has been avoided, has saved manpower, material resources, has improved the efficiency of pouring of central ditch.
In order to achieve the above purpose, the invention provides the following technical scheme:
a tunnel center gutter template comprising: the demoulding mechanism comprises a lower template, an upper template and a demoulding mechanism;
the upper template and the lower template are attached, and the attaching surfaces of the upper template and the lower template are inclined planes;
one of the upper template and the lower template is connected with the fixed end of the demoulding mechanism, and the other of the upper template and the lower template is connected with the telescopic end of the demoulding mechanism, so that the upper template can be arranged along the inclined plane in a sliding manner relative to the lower template, and the width of the whole formed by the upper template and the lower template is changed in the sliding process.
Preferably, the cross sections of the upper template and the lower template are both trapezoidal or triangular.
Preferably, the cross sections of the upper template and the lower template are both right-angled trapezoids;
the lower template comprises at least two lower die rib plates which are arranged in the length direction perpendicular to the tunnel central ditch template, a lower die side panel which is arranged on the outer side of the lower die rib plate and is attached to the lower die side panel, and a bottom panel which is arranged on the lower part of the lower die rib plate and is attached to the lower die rib plate;
the upper die plate comprises at least two upper die rib plates perpendicular to the length direction of the tunnel central ditch die plate and an upper die side plate arranged on the outer side of the upper die rib plates and attached to the upper die rib plates.
Preferably, the demoulding mechanism comprises at least one demoulding oil cylinder, the lower template is provided with a first oil cylinder lug seat used for being connected with the fixed end of the demoulding oil cylinder, and the upper template is provided with a second oil cylinder lug seat used for being connected with the telescopic end of the demoulding oil cylinder.
Preferably, the lower template is provided with a third oil cylinder lug seat, and the third oil cylinder lug seat is provided with a first sliding groove matched with the telescopic end of the demoulding oil cylinder;
the upper die plate is provided with a fourth oil cylinder lug seat, and the fourth oil cylinder lug seat is provided with a second sliding groove matched with the fixed end of the demoulding oil cylinder.
Preferably, a pipeline bracket for fixing the hydraulic pipeline is arranged in the upper template.
Preferably, the front end of lower bolster is provided with preceding mount pad and is used for connecting the connection otic placode of landing stage travelling car, connect the otic placode with preceding mount pad can dismantle the connection.
Preferably, the rear end of the lower template is provided with a rear mounting seat and a rear jacking oil cylinder mounted on the rear mounting seat, and the rear jacking oil cylinder can extend out or retract along the height direction of the tunnel central ditch template;
the front mounting seat is provided with a front-end jacking oil cylinder, and the front-end jacking oil cylinder can extend out or retract along the height direction of the tunnel central ditch template.
Preferably, the device also comprises a travelling mechanism arranged at the rear end;
the walking mechanism is provided with a first mounting hole and a second mounting hole which are located at different heights.
Preferably, a filling plug plate for blocking concrete is arranged at the front end of the tunnel central ditch template and is formed by splicing a plurality of plate-shaped modules.
In the process of using the tunnel center ditch template provided by the invention, the tunnel center ditch template is firstly placed at a corresponding position, the demoulding mechanism is adjusted to enable the upper template to slide along the inclined plane relative to the lower template until the upper template and the lower template move relatively to a proper pouring position, the position where the tunnel center ditch template is located is poured, and after a certain time, the demoulding mechanism is adjusted to enable the upper template to move along the inclined plane relative to the lower template and reduce the width of the whole body formed by the upper template and the lower template so as to realize demoulding.
Compared with the prior art, the tunnel center ditch template provided by the invention can realize automatic demoulding in the using process, so that the demoulding process is simplified, manual disassembly is not needed, the operation time is saved, and the working efficiency is improved; in addition, in the process of repeated use, the process of repeated assembly and disassembly is avoided, and manpower and material resources are saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a tunnel center gutter template provided by the present invention;
FIG. 2 is a schematic structural diagram of the upper plate of FIG. 1;
FIG. 3 is a side view of the upper die plate of FIG. 2;
FIG. 4 is a schematic structural view of the lower template of FIG. 1;
FIG. 5 is a side view of the lower platen of FIG. 4;
FIG. 6 is a schematic structural view of the front end of the tunnel center gutter template;
FIG. 7 is a schematic structural view of the rear end of the tunnel center gutter template;
FIG. 8 is a schematic structural view of a tunnel center gutter template before demolding;
fig. 9 is a schematic structural diagram of the tunnel center ditch template after demolding.
In FIGS. 1-9:
1 is a lower template, 1.1 is a rear mounting seat, 1.2 is a lower die side panel, 1.3 is a lower die rib plate, 1.4 is a first oil cylinder lug seat, 1.5 is a bottom panel, 1.6 is a lower die reinforcing rib, 1.7 is a third oil cylinder lug seat, 1.8 is a front mounting seat, 2 is a demoulding oil cylinder, 3 is an oil cylinder pin, 4 is a connecting lug plate, 5 is a jacking oil cylinder, 5.1 is a front jacking oil cylinder, 5.2 is a rear jacking oil cylinder, 6 is a travelling mechanism, 7 is an upper template, 7.1 is an upper die rib plate, 7.2 is an upper die side panel, 7.3 is a pipeline bracket, 7.4 is a second oil cylinder lug seat, 7.5 is a fourth oil cylinder lug seat, 7.6 is an upper die reinforcing rib, 8 is a filling blanking plate, 9 is a supporting lead screw, 10 is a connecting pin, and 11 is a fastener.
Detailed Description
The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a tunnel central ditch template, in the using process, the upper template can be driven to move relative to the lower template through the extension and retraction of a demoulding mechanism, so that the tunnel central ditch template is adjusted to be in a state corresponding to the central ditch, or the whole width formed by the upper template and the lower template is narrowed, and the automatic demoulding is realized; the problem of existing equipment in the use has been avoided, has saved manpower, material resources, has improved the efficiency of pouring of central ditch.
Please refer to fig. 1-9.
This embodiment provides a tunnel center ditch template, includes: the demoulding mechanism comprises a lower template 1, an upper template 7 and a demoulding mechanism;
the upper template 7 and the lower template 1 are attached, and the attaching surfaces of the upper template and the lower template are inclined planes;
one of the upper template 7 and the lower template 1 is connected with a fixed end of the demoulding mechanism, and the other of the upper template 7 and the lower template 1 is connected with a telescopic end of the demoulding mechanism, so that the upper template 7 can be arranged in a sliding way along an inclined plane relative to the lower template 1, and the width of the whole formed by the upper template 7 and the lower template 1 is changed in the sliding process.
It should be noted that, in the using process, the width of the whole body formed by the upper template 7 and the lower template 1 may be changed at a part of the width, or may be changed at each position of the whole body, which is determined according to the actual situation.
The cross sections of the upper template 7 and the lower template 1 are both trapezoidal or triangular.
As shown in fig. 8 and 9, the cross sections of the upper template 7 and the lower template 1 are both right trapezoid, and the inclined surfaces of the upper template and the lower template are attached to form a rectangle; in the process that the upper template 7 and the lower template 1 slide relatively along the inclined surface, the width of each position of the whole formed by the upper template and the lower template can be changed.
When the upper template 7 and the lower template 1 are both triangular, the whole formed by the upper template 7 and the lower template 1 may be partially changed in position in the process of relative sliding of the upper template and the lower template along the inclined plane, and the demolding is realized as long as the upper template 7 or the lower template 1 is separated from the pouring structure.
The shapes of the upper template 7 and the lower template 1 can also be other shapes meeting the requirements, which are not described herein again and are determined according to the actual situation.
In the process of using the tunnel center gutter template provided in this embodiment, first, the tunnel center gutter template needs to be placed at a corresponding position, and the demolding mechanism is adjusted to slide the upper template 7 along the inclined plane relative to the lower template 1 until the upper template and the lower template move relatively to each other to a suitable pouring position, and concrete is poured at the position where the tunnel center gutter template is located, and after a certain time, the demolding mechanism is adjusted to move the upper template 7 along the inclined plane relative to the lower template 1, and reduce the width of the whole body formed by the upper template 7 and the lower template 1, so as to achieve demolding.
Compared with the prior art, the tunnel center ditch template provided by the embodiment can realize automatic demolding in the using process, so that the demolding process is simplified, manual disassembly is not needed, the operation time is saved, and the working efficiency is improved; in addition, in the process of repeated use, the process of repeated assembly and disassembly is avoided, and manpower and material resources are saved.
As shown in fig. 2-5, the cross sections of the upper template 7 and the lower template 1 are both right-angled trapezoids;
the lower template 1 comprises at least two lower die rib plates 1.3 which are arranged in the length direction vertical to the tunnel central ditch template, a lower die side panel 1.2 which is arranged at the outer side of the lower die rib plate 1.3 and is jointed with the lower die rib plate, and a bottom panel 1.5 which is arranged at the lower part of the lower die rib plate 1.3 and is jointed with the lower die rib plate.
The upper template 7 comprises at least two upper die rib plates 7.1 which are arranged in the length direction vertical to the tunnel central ditch template and an upper die side panel 7.2 which is arranged at the outer side of the upper die rib plates 7.1 and is jointed with the upper die rib plates.
The number of the lower die rib plates 1.3 and the number of the upper die rib plates 7.1 can be determined according to actual conditions, the number of the lower die rib plates can be multiple, the lower die rib plates 1.3 can be preferably selected, two of the lower die rib plates 1.3 can be arranged at two ends of the lower die plate 1 in the length direction, the rest lower die rib plates 1.3 are arranged between the lower die rib plates 1.3 at the two ends, the distance between the adjacent lower die rib plates 1.3 needs to be set according to actual requirements, the distance can be set to be the same. Two of the upper die rib plates 7.1 are arranged at two ends of the upper die plate 7 in the length direction, the rest upper die rib plates 7.1 are arranged between the upper die rib plates 7.1 at the two ends, and the distance between the adjacent upper die rib plates 7.1 needs to be set according to actual requirements, and can be set to be the same as or different from each other.
In order to improve the strength of the upper die plate 7, an upper die reinforcing rib 7.6 can be arranged on the upper die plate 7, a lower die reinforcing rib 1.6 is arranged on the lower die plate 1, and the specific arrangement position and size of the reinforcing rib need to be determined according to actual conditions, which is not described herein again.
Preferably, a pipeline support 7.3 for fixing the hydraulic pipeline is arranged in the upper template 7, and the specific number and the arrangement position of the pipeline supports 7.3 are determined according to actual conditions.
In order to facilitate the installation of the demoulding mechanism, the demoulding mechanism can comprise at least one demoulding oil cylinder 2, the lower template 1 is provided with a first oil cylinder lug seat 1.4 used for being connected with the fixed end of the demoulding oil cylinder 2, and the upper template 7 is provided with a second oil cylinder lug seat 7.4 used for being connected with the telescopic end of the demoulding oil cylinder 2.
In the using process, as shown in fig. 8 and 9, the stretching out of the demolding cylinder 2 can drive the upper template 7 to move downwards along the inclined plane relative to the lower template 1, so that the width of the whole formed by the upper template 7 and the lower template 1 is increased, and when the retracting of the demolding cylinder 2 is performed, the upper template 7 can be driven to move upwards along the inclined plane relative to the lower template 1, so that the width of the whole formed by the upper template 7 and the lower template 1 is reduced, and the automatic demolding is realized.
In order to limit the sliding direction of the upper template 7 relative to the lower template 1, a third oil cylinder lug seat 1.7 can be arranged on the lower template 1, and the third oil cylinder lug seat 1.7 is provided with a first sliding groove matched with the telescopic end of the demoulding oil cylinder 2; the telescopic end of the demoulding oil cylinder 2 can be provided with an oil cylinder pin 3 or a sliding block and other structures matched with the first sliding groove, so that the oil cylinder pin 3 or the sliding block slides along the first sliding groove, the telescopic direction of the demoulding oil cylinder 2 is limited, and the first sliding groove is arranged to be a waist-shaped hole, and the limiting effect can be achieved.
The upper template 7 is provided with a fourth oil cylinder lug seat 7.5, and the fourth oil cylinder lug seat 7.5 is provided with a second sliding groove matched with the fixed end of the demoulding oil cylinder 2; an oil cylinder pin 3 can be arranged at the fixed end of the demoulding oil cylinder 2, the oil cylinder pin 3 is matched with the second sliding groove, and the oil cylinder pin 3 slides along the second sliding groove in the process that the upper template 7 slides relative to the lower template 1.
In order to make the upper template 7 slide more stably relative to the lower template 1, a plurality of demoulding cylinders 2 can be arranged, and the plurality of demoulding cylinders 2 are controlled by a hydraulic synchronous system, so that the upper template 7 slides upwards along the lower template 1 under the action of the demoulding cylinders 2, the left-right distance of the template is reduced, and the template demoulding is carried out.
Preferably, a plurality of demoulding cylinders 2 can be symmetrically distributed about the middle section of the tunnel central ditch template in the length direction, so that the upper template 7 is stressed uniformly in the process of sliding relative to the lower template 1.
On the basis of the above embodiment, a front mounting seat 1.8 and a connecting ear plate 4 for connecting a movable trolley of a trestle can be arranged at the front end of the lower template 1, and the connecting ear plate 4 is detachably connected with the front mounting seat 1.8.
As shown in fig. 6, the connection ear plate 4 is connected to the front mounting base 1.8 through a connection pin 10, and in the using process, the connection ear plate 4 can be welded on a self-propelled inverted arch trestle movable trolley which is used in a matched manner, and is connected with the front mounting base 1.8 of the central gutter template through the connection pin 10, so that the trestle movable trolley drives the central gutter template to move forward and backward; after the movement is completed, the connecting pin 10 can be pulled out, so that the connecting lug plate 4 is disconnected from the front mounting base 1.8.
The rear end of the lower template 1 is provided with a rear mounting seat 1.1 and a rear jacking oil cylinder 5.2 mounted on the rear mounting seat 1.1, and the rear jacking oil cylinder 5.2 can extend out or retract along the height direction of the tunnel central ditch template; as shown in fig. 7, the rear jacking cylinder 5.2 and the traveling mechanism 6 are connected to the rear mounting base 1.1 through a fastener 11.
The front mounting seat 1.8 is provided with a front end jacking oil cylinder 5.1, and the front end jacking oil cylinder 5.1 can extend out or retract along the height direction of the tunnel central ditch template. As shown in fig. 6, the front jacking cylinder 5.1 and the support screw 9 are connected with the front mounting base 1.8 through a fastener 11.
Preferably, the traveling mechanism 6 may include a telescopic cylinder, a wheel carrier, a screw, a tire, a bearing, a shaft sleeve, and a pin. The central ditch template mainly plays a role in walking and positioning, and can move back and forth under the driving of the movable trolley of the inverted arch trestle.
The rear mounting base 1.1 is provided with an outer sleeve, the travelling mechanism 6 is provided with a first mounting hole and a second mounting hole which are located at different heights, the height of the second mounting hole is higher than that of the first mounting hole, the outer sleeve is provided with a through hole used for being matched with the first mounting hole or the second mounting hole, when the first mounting hole of the travelling mechanism 6 corresponds to the through hole, the travelling mechanism 6 is in a retracting state, and when the second mounting hole of the travelling mechanism 6 corresponds to the through hole, the travelling mechanism 6 is in an extending state and can be in contact with the ground of the tunnel.
In the actual use process, when the tunnel center ditch template travels, the template is jacked up through the jacking oil cylinder 5, so that the front mounting seat 1.8 of the template is connected with the connecting lug plate 4 welded on the movable trolley of the inverted arch trestle through the connecting pin 10; suspending the rear end of the tunnel central ditch template, and putting down a travelling wheel of a travelling mechanism 6 to enable the travelling wheel to be in contact with the poured central ditch surface; then retracting the two groups of jacking oil cylinders 5 to enable the front end of the tunnel center ditch template to be suspended and connected with the inverted arch trestle movable trolley, and the travelling wheels at the rear end of the tunnel center ditch template to land. And then driving the trestle movable trolley to advance to drive the tunnel central ditch template to realize the advancing function, after the tunnel central ditch template moves to the next station, extending out the jacking oil cylinder 5 and landing, taking down the connecting pin 10 at the front end of the template 1, and withdrawing the travelling wheels at the rear end. And then adjusting the vertical height of the template to reach the position required by the design, namely completing the template cycle operation.
Before the central ditch is poured, the demolding oil cylinder 2 is adjusted to ensure that the width of the tunnel central ditch template reaches the actual required size, and the tunnel central ditch template is fixed; meanwhile, the front and back heights of the tunnel center ditch template are adjusted through the jacking oil cylinder 5, and the automatic positioning of the tunnel center ditch template can be realized. And after the tunnel center ditch template is positioned, the inverted arch filling concrete pouring operation can be carried out.
A filling plug plate 8 for blocking concrete is arranged at the front end of the tunnel central ditch template, and the filling plug plate 8 is formed by splicing a plurality of plate-shaped modules; the plate-shaped modules are connected and fixed through fasteners 11, and the size of each plate-shaped module is determined by the size of the inverted arch surface of the tunnel; the fastening member 11 may be a bolt or other structures meeting the requirements, which are not described herein.
It should be noted that, in the first mounting hole and the second mounting hole, the first sliding groove and the second sliding groove, and the first cylinder lug 1.4, the second cylinder lug 7.4, the third cylinder lug 1.7, and the fourth cylinder lug 7.5 mentioned in this document, the first, the second, the third, and the fourth are only for distinguishing the difference of the mounting positions, and are not sequentially distinguished.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.
The tunnel center ditch template provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A tunnel center ditch template, comprising: the demoulding device comprises a lower template (1), an upper template (7) and a demoulding mechanism;
the upper template (7) and the lower template (1) are attached, and the attaching surfaces of the upper template and the lower template are inclined planes;
one of the upper template (7) and the lower template (1) is connected with a fixed end of the demoulding mechanism, the other one of the upper template (7) and the lower template (1) is connected with a telescopic end of the demoulding mechanism, so that the upper template (7) can be arranged along the inclined plane in a sliding mode relative to the lower template (1), and the width of the whole formed by the upper template (7) and the lower template (1) is changed in the sliding process.
2. The tunnel central gutter template according to claim 1, characterized in that the cross-sections of the upper template (7) and the lower template (1) are both trapezoidal or triangular.
3. The tunnel central gutter template according to claim 2, characterized in that the cross sections of the upper template (7) and the lower template (1) are both right-angled trapezoids;
the lower template (1) comprises at least two lower die rib plates (1.3) which are arranged in the length direction of the tunnel central ditch template, lower die side panels (1.2) which are arranged at the outer sides of the lower die rib plates (1.3) and are attached to the lower die rib plates, and a bottom panel (1.5) which is arranged at the lower part of the lower die rib plates (1.3) and is attached to the lower die rib plates;
the upper template (7) comprises at least two upper die rib plates (7.1) which are perpendicular to the length direction of the tunnel central ditch template and an upper die side panel (7.2) which is arranged on the outer side of the upper die rib plates (7.1) and is attached to the upper die rib plates.
4. The tunnel center gutter template according to claim 3, characterized in that the demolding mechanism comprises at least one demolding cylinder (2), the lower template (1) is provided with a first cylinder lug (1.4) for connecting with a fixed end of the demolding cylinder (2), and the upper template (7) is provided with a second cylinder lug (7.4) for connecting with a telescopic end of the demolding cylinder (2).
5. The tunnel center gutter template according to claim 4, characterized in that the lower template (1) is provided with a third cylinder lug (1.7), the third cylinder lug (1.7) being provided with a first runner cooperating with the telescopic end of the demolding cylinder (2);
the upper die plate (7) is provided with a fourth oil cylinder lug seat (7.5), and the fourth oil cylinder lug seat (7.5) is provided with a second sliding groove matched with the fixed end of the demoulding oil cylinder (2).
6. The tunnel center gutter template according to claim 4, characterized in that a pipe support (7.3) for fixing a hydraulic pipe is provided in the upper template (7).
7. The tunnel center gutter template according to any one of claims 1 to 6, characterized in that the front end of the lower template (1) is provided with a front mounting seat (1.8) and a connecting lug plate (4) for connecting a movable trolley of a trestle, and the connecting lug plate (4) is detachably connected with the front mounting seat (1.8).
8. The tunnel center gutter template according to claim 7, characterized in that the rear end of the lower template (1) is provided with a rear mounting seat (1.1) and a rear jacking cylinder (5.2) mounted on the rear mounting seat (1.1), and the rear jacking cylinder (5.2) can extend out or retract along the height direction of the tunnel center gutter template;
the front mounting seat (1.8) is provided with a front-end jacking oil cylinder (5.1), and the front-end jacking oil cylinder (5.1) can extend out or retract along the height direction of the tunnel central ditch template.
9. The tunnel center gutter template according to claim 8, further comprising a traveling mechanism (6) mounted to the rear end;
the travelling mechanism (6) is provided with a first mounting hole and a second mounting hole which are located at different heights.
10. The tunnel center gutter module according to any one of claims 1 to 6, wherein a filling plug plate (8) for blocking concrete is provided at a front end of the tunnel center gutter module, and the filling plug plate (8) is formed by splicing a plurality of plate-shaped modules.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110195243.5A CN112943357B (en) | 2021-02-20 | 2021-02-20 | Tunnel center ditch template |
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| CN202110195243.5A CN112943357B (en) | 2021-02-20 | 2021-02-20 | Tunnel center ditch template |
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| CN112943357A true CN112943357A (en) | 2021-06-11 |
| CN112943357B CN112943357B (en) | 2023-03-14 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09291799A (en) * | 1996-04-26 | 1997-11-11 | Okumura Corp | Inner formwork for lining tunnel wall surface with concrete |
| CN102828758A (en) * | 2012-09-29 | 2012-12-19 | 中铁二十五局集团轨道交通工程有限公司 | Forming device for tunnel center gutter and side ditches and forming process thereof |
| CN109899088A (en) * | 2017-12-08 | 2019-06-18 | 中铁二局集团有限公司 | It is a kind of for being poured the mobile formwork and pouring procedure of tunnel Central drain |
| CN209025675U (en) * | 2018-09-21 | 2019-06-25 | 湖南五新模板有限公司 | It is a kind of can a rotational forming inverted arch filling template |
| CN210422643U (en) * | 2019-09-23 | 2020-04-28 | 中交第二公路工程局有限公司 | Tunnel center drainage ditch pouring template |
| CN210768822U (en) * | 2019-10-11 | 2020-06-16 | 中铁十二局集团第二工程有限公司 | Central ditch template system applied to tunnel inverted arch trestle |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09291799A (en) * | 1996-04-26 | 1997-11-11 | Okumura Corp | Inner formwork for lining tunnel wall surface with concrete |
| CN102828758A (en) * | 2012-09-29 | 2012-12-19 | 中铁二十五局集团轨道交通工程有限公司 | Forming device for tunnel center gutter and side ditches and forming process thereof |
| CN109899088A (en) * | 2017-12-08 | 2019-06-18 | 中铁二局集团有限公司 | It is a kind of for being poured the mobile formwork and pouring procedure of tunnel Central drain |
| CN209025675U (en) * | 2018-09-21 | 2019-06-25 | 湖南五新模板有限公司 | It is a kind of can a rotational forming inverted arch filling template |
| CN210422643U (en) * | 2019-09-23 | 2020-04-28 | 中交第二公路工程局有限公司 | Tunnel center drainage ditch pouring template |
| CN210768822U (en) * | 2019-10-11 | 2020-06-16 | 中铁十二局集团第二工程有限公司 | Central ditch template system applied to tunnel inverted arch trestle |
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| CN112943357B (en) | 2023-03-14 |
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