CN210217775U - Steel mould trolley for small-section tunnel - Google Patents
Steel mould trolley for small-section tunnel Download PDFInfo
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- CN210217775U CN210217775U CN201921284215.5U CN201921284215U CN210217775U CN 210217775 U CN210217775 U CN 210217775U CN 201921284215 U CN201921284215 U CN 201921284215U CN 210217775 U CN210217775 U CN 210217775U
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Abstract
The utility model relates to the technical field of tunnel engineering equipment, in particular to a steel mould trolley for a small-section tunnel, which is formed by splicing a plurality of steel mould trolley components along the length direction of the tunnel, wherein each steel mould trolley component comprises a shaping steel template and a supporting frame, and the shaping steel template comprises a top template and a side template; the middle cross beam is connected with a plurality of longitudinal supporting steel legs, the top of each longitudinal supporting steel leg is connected to the middle cross beam through an adjustable jacking, the bottom of each longitudinal supporting steel leg is connected with an adjustable base, the middle cross beams are connected into a whole along the length direction of the tunnel through middle connecting cross beams, arc-shaped steel pipe frameworks are arranged between the middle connecting cross beams on two sides, the arc-shaped steel pipe frameworks are connected with the middle cross beams through top formwork supporting longitudinal beams, and top formwork supporting frameworks are arranged on two sides of each top formwork supporting longitudinal beam respectively; install the top template on most arc steel pipe skeleton, lateral part template is connected to top template both sides, the utility model is suitable for a section less tunnel can adjust.
Description
Technical Field
The utility model relates to a tunnel engineering equipment technical field, concretely relates to steel mould platform truck for small cross section tunnel.
Background
The steel mould trolley is a special equipment designed and manufactured for improving the surface finish degree and lining speed of the tunnel lining and reducing the labor intensity. The roof arch type with edges, the roof arch type with a straight wall and a variable cross section, the full-circle needle beam type, the full-circle walk type and the like. The form trolley is a special mechanical construction device for pouring a lining concrete slab in a tunnel according to different tunnel inner contour shapes and different tunnel lining concrete pouring modes in tunnel construction, and is widely used in engineering construction of railways, highways, water conservancy and hydropower and the like. The template trolley can avoid construction interference and improve construction efficiency, more importantly, lining construction quality in the tunnel is greatly improved, and the mechanization degree of tunnel construction is also improved. To the less tunnel construction of section, for example 2 meters to 2.5 meters tunnel concrete placement, current steel mould platform truck is not convenient for adjust, and the structure is too complicated, and the size is huge, and it is very inconvenient to remove, install and dismantle, has caused the efficiency of construction low.
Disclosure of Invention
In view of prior art's defect, the utility model provides a steel mould platform truck for small cross section tunnel, its design steel form is assembled and is formed with the support system combination, is applicable to the less tunnel of section, can adjust.
In order to achieve the purpose, the technical scheme of the utility model is a steel mould trolley for a small-section tunnel, which is formed by splicing a plurality of steel mould trolley components along the length direction of the tunnel, wherein each steel mould trolley component comprises a shaped steel template and a supporting frame, and the shaped steel template comprises a top template and a side template; the supporting frame comprises a middle cross beam, a middle connecting cross beam, a longitudinal supporting steel leg, a top formwork supporting framework, a top formwork supporting longitudinal beam, an arc-shaped steel pipe framework, an adjustable jacking and an adjustable base; the middle cross beam is connected with a plurality of longitudinal support steel legs, the top of each longitudinal support steel leg is connected to the middle cross beam through an adjustable jacking, the bottom of each longitudinal support steel leg is connected with an adjustable base, a plurality of middle cross beams are connected into a whole along the length direction of the tunnel through middle connecting cross beams, arc-shaped steel pipe frameworks are arranged between the middle connecting cross beams on two sides, the arc-shaped steel pipe frameworks are connected with the middle cross beams through top formwork support longitudinal beams, and top formwork support frameworks are arranged on two sides of each top formwork support longitudinal beam; the arc-shaped steel pipe framework is provided with a top template, and two sides of the top template are connected with side templates.
Based on above-mentioned technical scheme, in view of the tunnel section is less, two lining concrete form boards all adopt the design steel form to assemble and support the system combination and form, wherein utilize middle part crossbeam, middle part connecting beam, vertical support steel leg, top template support skeleton, top template support longeron, arc steel pipe skeleton for whole support system is more reliable. This technical scheme's steel mould platform truck is formed along tunnel length direction concatenation by a plurality of steel mould platform truck subassembly, compares in integral steel mould platform truck, removes more in a flexible way, and the structure is simpler. Every vertical support steel leg top is held in the palm through adjustable top and is adjusted, and the bottom carries out altitude mixture control through adjustable base, utilizes two adjusting device to adjust the position of design steel form to make things convenient for the ann of top arch form to tear open, two adjusting device set up respectively in upper portion and lower part, and the constructor of being convenient for can carry out regulation nearby when different body posture states are under construction at the co-altitude, and is more convenient.
Preferably, the adjustable jacking comprises a jacking seat, a first ball bearing, a first adjusting screw and a first rotating handle; the top of the longitudinal support steel leg is in threaded connection with a first adjusting screw rod, the first adjusting screw rod is fixedly connected with a first rotating handle, the upper portion of the first adjusting screw rod is connected with a jacking seat through a first ball bearing, and the jacking seat is fixedly connected with a middle cross beam.
Based on above-mentioned technical scheme, to the small cross section tunnel, the small-size tunnel that the small cross section is less than 3m in this application, in the tunnel work progress, can face the environment abominable, the outage condition, utilizes mechanical regulation structure more reliable this moment. This position setting is in the below of being close to the top template, and the constructor of being convenient for like this stands and adjusts when carrying out the operation in higher position.
Another kind of technical scheme, it is preferred, adjustable top support includes top bracket, a hydraulic cylinder of vertical support steel leg top fixed mounting, a hydraulic cylinder removal end connection top bracket, top bracket fixed connection middle part crossbeam.
Based on above-mentioned technical scheme, adopt hydraulic cylinder, can practice thrift the manpower, it is more convenient to adjust, and concrete manual regulation or the technical scheme who utilizes the pneumatic cylinder to adjust can select through actual need.
Furthermore, the adjustable base comprises a base, a second ball bearing, a second adjusting screw and a second rotating handle; and the second adjusting screw is fixedly provided with a second rotating handle, the bottom of the second adjusting screw is connected with the base through a second ball bearing, and the top of the second adjusting screw is in threaded connection with the bottom of the longitudinal support steel leg.
It should be noted that the adjustable base may adopt a common lifting adjustment base structure, and the structure can adjust the relative height of the longitudinal support steel leg.
According to another technical scheme, preferably, the adjustable base comprises a base and a second lifting hydraulic cylinder, the second lifting hydraulic cylinder is fixedly installed on the base, and the moving end of the second lifting hydraulic cylinder is connected with the bottom of the longitudinal support steel leg.
Furthermore, walking wheels are detachably mounted at the bottom of the base on two sides of the central axis of the steel mould trolley assembly, a walking positioning assembly is mounted at the bottom of the base at the position of the central axis of the steel mould trolley assembly, the walking positioning assembly comprises guide wheels and auxiliary walking wheels, and a plurality of guide wheels are mounted in the middle of the bottom of the base; a plurality of guide wheels are distributed along the central axis direction of the tunnel, and the guide wheels are installed in parallel with the base; and auxiliary travelling wheels are respectively installed on two sides of the guide wheel, channel steel is installed on the axis of the tunnel, the guide wheel is embedded into the channel steel to rotate, and the auxiliary travelling wheels on the two sides walk on the upper part of the channel steel.
Based on the technical scheme, before the construction process begins, the engineering requires that the central axis of the steel mould trolley coincides with the central axis of the tunnel and walks from the central position, the walking tracks are generally arranged on two sides and the steel mould trolley walks along the walking tracks in the prior art, but the method needs to measure more in the early stage, determines the positions of the walking tracks on the two sides and correspondingly sets the positions of the walking wheels, and the positions of the walking wheels and the walking tracks have slight deviation to cause dislocation or abrasion of the walking wheels and the tracks. The steel mould trolley needs to be adjusted or replaced, and centering positioning is adopted, so that the steel mould trolley can adapt to different steel mould trolley components.
Further, a plurality of middle part connecting cross beams on one side of the steel mould trolley assembly central axis are connected through a bridging connecting frame, and the tunnel central axis is symmetrical in structure on two sides.
Based on above-mentioned technical scheme, the braced frame of both sides is more firm reliable.
Preferably, the steel form trolley assembly is 3m in length.
Preferably, the top forms at the top of adjacent steel form trolley assemblies are secured by U-shaped snaps or connecting bolts.
Based on above-mentioned technical scheme, fixed with U type buckle or connecting bolt between the top template, the fastening must not miss the top, avoids producing the displacement at concrete placement in-process top template atress, leads to the concrete face to produce wrong platform.
Preferably, the middle cross beam and the middle connecting cross beam are made of steel pipes with the diameter of 48mm, and the thickness of the top template and the thickness of the side templates are 4 mm.
To the utility model discloses a further explain, during the construction, be a unit (steel mould platform truck subassembly) along every 3m of tunnel axis direction, set up the completion outside the hole, every unit makes up into a whole with phi 48 steel pipes, U type buckle or connecting bolt fixed connection in the tunnel. Before installing the top template and the side template, the template surface is cleaned and coated with a release agent. When the side templates are installed, the side templates are required to be positioned and controlled to be vertical to meet the requirements. The template is reinforced by adopting a mode of pulling the inner top outwards, the transverse and vertical enclosing purlins of the template are made of phi 48mm steel pipes, and a supporting system is fixed after the side templates are installed, so that the supporting system is tightly attached to the side templates. The top template is assembled along a phi 48mm steel pipe keel (a top template support framework, a top template support longitudinal beam and an arc-shaped steel pipe framework) and then fixed on the keel, and the template with the injection port is installed at a specified position. The top templates and the side templates on two sides are fixed, and when the adjacent top templates are assembled, tight and smooth joints are ensured, so that slurry leakage or slab staggering is prevented.
The utility model has the advantages that: the steel formwork assembling and supporting system is simple in structure, applicable to tunnels with small sections and capable of being adjusted.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the A-A support frame of FIG. 1;
FIG. 3 is a schematic structural view of an adjustable base in embodiment 1;
FIG. 4 is a schematic structural view of an adjustable jacking device in embodiment 1;
FIG. 5 is a schematic structural diagram of embodiments 2 and 3;
FIG. 6 is a schematic structural view of the walking positioning assembly B shown in FIG. 5;
in the figure: 1. the steel mould trolley comprises a top template, 2, a side template, 3, a middle beam, 4, a middle connecting beam, 5, longitudinal supporting steel legs, 6, a top template supporting framework, 7, a top template supporting longitudinal beam, 8, an arc-shaped steel pipe framework, 9, an adjustable jacking, 10, an adjustable base, 11, a jacking seat, 12, a first ball bearing, 13, a first adjusting screw rod, 14, a first rotating handle, 15, a first lifting hydraulic cylinder, 16, a base, 17, a second ball bearing, 18, a second adjusting screw rod, 19, a second rotating handle, 20, a travelling wheel, 21, a second lifting hydraulic cylinder, 22, a guide wheel, 23, an auxiliary travelling wheel, 24, a base of the axis position of the steel mould trolley component, 25, a channel steel, 26, a scissor support connecting frame, 27 and a bearing.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
As shown in fig. 1-4, a steel form trolley for a small-section tunnel is formed by splicing a plurality of steel form trolley components along the length direction of the tunnel, wherein each steel form trolley component comprises a shaped steel form and a support frame, and each shaped steel form comprises a top form 1 and a side form 2; the supporting frame comprises a middle cross beam 3, a middle connecting cross beam 4, longitudinal supporting steel legs 5, a top formwork supporting framework 6, a top formwork supporting longitudinal beam 7, an arc-shaped steel pipe framework 8, an adjustable jacking 9 and an adjustable base 10; the middle cross beam 3 is connected with a plurality of longitudinal support steel legs 5, the top of each longitudinal support steel leg 5 is connected to the middle cross beam 3 through an adjustable jacking 9, the bottom of each longitudinal support steel leg 5 is connected with an adjustable base 10, a plurality of middle cross beams 3 are connected into a whole along the length direction of the tunnel through middle connecting cross beams 4, arc-shaped steel pipe frameworks 8 are arranged between the middle connecting cross beams 4 at two sides, the arc-shaped steel pipe frameworks 8 are connected with the middle cross beams 3 through top formwork support longitudinal beams 7, and top formwork support frameworks 6 are respectively arranged at two sides of each top formwork support longitudinal beam 7; a top template 1 is installed on the arc-shaped steel pipe framework 8, and the two sides of the top template 1 are connected with side templates 2.
Preferably, the adjustable jacking 9 comprises a jacking seat 11, a first ball bearing 12, a first adjusting screw 13 and a first rotating handle 14; the top of the longitudinal support steel leg 5 is in threaded connection with a first adjusting screw 13, the first adjusting screw 13 is fixedly connected with a first rotating handle 14, the upper portion of the first adjusting screw 13 is connected with a jacking seat 11 through a first ball bearing 12, and the jacking seat 11 is fixedly connected with a middle cross beam 3.
Further, the adjustable base 10 comprises a base 16, a second ball bearing 17, a second adjusting screw 18 and a second rotating handle 19; and a second rotating handle 19 is fixedly arranged on the second adjusting screw 18, the bottom of the second adjusting screw 18 is connected with the base 16 through a second ball bearing 17, and the top of the second adjusting screw 18 is in threaded connection with the bottom of the longitudinal support steel leg 5.
Further, a plurality of middle part connecting cross beams on one side of the steel mould trolley assembly central axis are connected through a bridging connecting frame 26, and the tunnel central axis is symmetrical in structure on two sides.
Preferably, the steel form trolley assembly is 3m in length.
Preferably, the top forms 1 on top of adjacent steel form trolley assemblies are secured by U-shaped snaps or connecting bolts.
Preferably, the middle cross beam 3 and the middle connecting cross beam 4 are made of steel pipes with the diameter of 48mm, and the thicknesses of the top template 1 and the side templates 2 are 4 mm.
The technical scheme of this embodiment is applicable to 2 meters to 2.5 meters tunnel concrete placement, has obtained the application in the lane tunnel of the engineering Wenji branch trunk in the mountain irrigation district of the Yangtze river boat.
Example 2
As shown in fig. 5, the steel form trolley for the small-section tunnel is formed by splicing a plurality of steel form trolley components along the length direction of the tunnel, wherein each steel form trolley component comprises a shaped steel form and a support frame, and each shaped steel form comprises a top form 1 and a side form 2; the supporting frame comprises a middle cross beam 3, a middle connecting cross beam 4, longitudinal supporting steel legs 5, a top formwork supporting framework 6, a top formwork supporting longitudinal beam 7, an arc-shaped steel pipe framework 8, an adjustable jacking 9 and an adjustable base 10; the middle cross beam 3 is connected with a plurality of longitudinal support steel legs 5, the top of each longitudinal support steel leg 5 is connected to the middle cross beam 3 through an adjustable jacking 9, the bottom of each longitudinal support steel leg 5 is connected with an adjustable base 10, a plurality of middle cross beams 3 are connected into a whole along the length direction of the tunnel through middle connecting cross beams 4, arc-shaped steel pipe frameworks 8 are arranged between the middle connecting cross beams 4 at two sides, the arc-shaped steel pipe frameworks 8 are connected with the middle cross beams 3 through top formwork support longitudinal beams 7, and top formwork support frameworks 6 are respectively arranged at two sides of each top formwork support longitudinal beam 7; a top template 1 is installed on the arc-shaped steel pipe framework 8, and the two sides of the top template 1 are connected with side templates 2.
Preferably, the adjustable jacking 9 comprises a jacking seat 11 and a first hydraulic lifting cylinder 15, the first hydraulic lifting cylinder 15 is fixedly mounted at the top of the longitudinal support steel leg 5, the moving end of the first hydraulic lifting cylinder 15 is connected with the jacking seat 11, and the jacking seat 11 is fixedly connected with the middle cross beam 3.
Preferably, the adjustable base 10 comprises a base 16 and a second lifting hydraulic cylinder 21, the second lifting hydraulic cylinder 21 is fixedly installed on the base 20, and the moving end of the second lifting hydraulic cylinder 21 is connected with the bottom of the longitudinal support steel leg 5.
Further, a plurality of middle part connecting cross beams on one side of the steel mould trolley assembly central axis are connected through a bridging connecting frame 26, and the tunnel central axis is symmetrical in structure on two sides.
Preferably, the steel form trolley assembly is 3m in length.
Preferably, the top forms 1 on top of adjacent steel form trolley assemblies are secured by U-shaped snaps or connecting bolts.
Preferably, the middle cross beam 3 and the middle connecting cross beam 4 are made of steel pipes with the diameter of 48mm, and the thicknesses of the top template 1 and the side templates 2 are 4 mm.
Example 3
As shown in fig. 5 and 6, the steel form trolley for the small-section tunnel is formed by splicing a plurality of steel form trolley components along the length direction of the tunnel, wherein each steel form trolley component comprises a shaped steel form and a support frame, and each shaped steel form comprises a top form 1 and a side form 2; the supporting frame comprises a middle cross beam 3, a middle connecting cross beam 4, longitudinal supporting steel legs 5, a top formwork supporting framework 6, a top formwork supporting longitudinal beam 7, an arc-shaped steel pipe framework 8, an adjustable jacking 9 and an adjustable base 10; the middle cross beam 3 is connected with a plurality of longitudinal support steel legs 5, the top of each longitudinal support steel leg 5 is connected to the middle cross beam 3 through an adjustable jacking 9, the bottom of each longitudinal support steel leg 5 is connected with an adjustable base 10, a plurality of middle cross beams 3 are connected into a whole along the length direction of the tunnel through middle connecting cross beams 4, arc-shaped steel pipe frameworks 8 are arranged between the middle connecting cross beams 4 at two sides, the arc-shaped steel pipe frameworks 8 are connected with the middle cross beams 3 through top formwork support longitudinal beams 7, and top formwork support frameworks 6 are respectively arranged at two sides of each top formwork support longitudinal beam 7; a top template 1 is installed on the arc-shaped steel pipe framework 8, and the two sides of the top template 1 are connected with side templates 2.
Preferably, the adjustable jacking 9 comprises a jacking seat 11 and a first hydraulic lifting cylinder 15, the first hydraulic lifting cylinder 15 is fixedly mounted at the top of the longitudinal support steel leg 5, the moving end of the first hydraulic lifting cylinder 15 is connected with the jacking seat 11, and the jacking seat 11 is fixedly connected with the middle cross beam 3.
Preferably, the adjustable base 10 comprises a base 16 and a second lifting hydraulic cylinder 21, the second lifting hydraulic cylinder 21 is fixedly installed on the base 20, and the moving end of the second lifting hydraulic cylinder 21 is connected with the bottom of the longitudinal support steel leg 5.
Further, walking wheels 20 are detachably mounted at the bottoms of the bases on the two sides of the central axis of the steel mould trolley assembly, a walking positioning assembly is mounted at the bottom of a base 24 at the central axis of the steel mould trolley assembly, the walking positioning assembly comprises guide wheels 22 and auxiliary walking wheels 23, and a plurality of guide wheels 22 are mounted in the middle of the bottom of the base 23; a plurality of guide wheels 22 are distributed along the central axis direction of the tunnel, and the guide wheels 22 are arranged in parallel to the base 23; the auxiliary walking wheels 23 are respectively installed on two sides of the guide wheel 22, a channel steel 25 is installed on the axis of the tunnel, the guide wheel 22 is embedded into the channel steel 25 to rotate, and the auxiliary walking wheels 23 on the two sides walk on the upper portion of the channel steel 25.
Further, a plurality of middle part connecting cross beams on one side of the steel mould trolley assembly central axis are connected through a bridging connecting frame 26, and the tunnel central axis is symmetrical in structure on two sides.
Preferably, the steel form trolley assembly is 3m in length.
Preferably, the top forms 1 on top of adjacent steel form trolley assemblies are secured by U-shaped snaps or connecting bolts.
Preferably, the middle cross beam 3 and the middle connecting cross beam 4 are made of steel pipes with the diameter of 48mm, and the thicknesses of the top template 1 and the side templates 2 are 4 mm.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (10)
1. The utility model provides a steel mould platform truck for small cross section tunnel which characterized in that: the steel form trolley assembly is formed by splicing a plurality of steel form trolley assemblies along the length direction of a tunnel, each steel form trolley assembly comprises a shaped steel form and a supporting frame, and each shaped steel form comprises a top form and a side form; the supporting frame comprises a middle cross beam, a middle connecting cross beam, a longitudinal supporting steel leg, a top formwork supporting framework, a top formwork supporting longitudinal beam, an arc-shaped steel pipe framework, an adjustable jacking and an adjustable base; the middle cross beam is connected with a plurality of longitudinal support steel legs, the top of each longitudinal support steel leg is connected to the middle cross beam through an adjustable jacking, the bottom of each longitudinal support steel leg is connected with an adjustable base, a plurality of middle cross beams are connected into a whole along the length direction of the tunnel through middle connecting cross beams, arc-shaped steel pipe frameworks are arranged between the middle connecting cross beams on two sides, the arc-shaped steel pipe frameworks are connected with the middle cross beams through top formwork support longitudinal beams, and top formwork support frameworks are arranged on two sides of each top formwork support longitudinal beam; the arc-shaped steel pipe framework is provided with a top template, and two sides of the top template are connected with side templates.
2. The steel mould trolley for the small-section tunnel according to claim 1, characterized in that: the adjustable jacking comprises a jacking seat, a first ball bearing, a first adjusting screw and a first rotating handle; the top of the longitudinal support steel leg is in threaded connection with a first adjusting screw rod, the first adjusting screw rod is fixedly connected with a first rotating handle, the upper portion of the first adjusting screw rod is connected with a jacking seat through a first ball bearing, and the jacking seat is fixedly connected with a middle cross beam.
3. The steel mould trolley for the small-section tunnel according to claim 1, characterized in that: the adjustable jacking comprises a jacking seat and a first lifting hydraulic cylinder, the first lifting hydraulic cylinder is fixedly installed at the top of the longitudinal support steel leg, the moving end of the first lifting hydraulic cylinder is connected with the jacking seat, and the jacking seat is fixedly connected with the middle cross beam.
4. The steel form trolley for the small-section tunnel according to claim 1 or 2, wherein: the adjustable base comprises a base, a second ball bearing, a second adjusting screw and a second rotating handle; and the second adjusting screw is fixedly provided with a second rotating handle, the bottom of the second adjusting screw is connected with the base through a second ball bearing, and the top of the second adjusting screw is in threaded connection with the bottom of the longitudinal support steel leg.
5. The steel form trolley for the small-section tunnel according to claim 1 or 3, wherein: the adjustable base comprises a base and a second lifting hydraulic cylinder, the second lifting hydraulic cylinder is fixedly installed on the base, and the moving end of the second lifting hydraulic cylinder is connected with the bottom of the longitudinal support steel leg.
6. The steel mould trolley for the small-section tunnel according to claim 5, wherein: the walking wheels are detachably mounted at the bottoms of the bases on two sides of the central axis of the steel mould trolley assembly, the walking positioning assembly is mounted at the bottom of the base at the central axis position of the steel mould trolley assembly and comprises guide wheels and auxiliary walking wheels, and a plurality of guide wheels are mounted in the middle of the bottom of the base; a plurality of guide wheels are distributed along the central axis direction of the tunnel, and the guide wheels are installed in parallel with the base; and auxiliary travelling wheels are respectively installed on two sides of the guide wheel, channel steel is installed on the axis of the tunnel, the guide wheel is embedded into the channel steel to rotate, and the auxiliary travelling wheels on the two sides walk on the upper part of the channel steel.
7. The steel mould trolley for the small-section tunnel according to claim 1, characterized in that: a plurality of middle part connecting cross beams on one side of the steel mould trolley assembly central axis are connected through a bridging connecting frame, and the tunnel central axis is symmetrical in structure on two sides.
8. The steel mould trolley for the small-section tunnel according to claim 1, characterized in that: the length of the steel mould trolley component is 3 m.
9. The steel mould trolley for the small-section tunnel according to claim 1, characterized in that: and the top templates at the tops of the adjacent steel mould trolley components are fixed through U-shaped buckles or connecting bolts.
10. The steel mould trolley for the small-section tunnel according to claim 1, characterized in that: the middle cross beam and the middle connecting cross beam are made of steel pipes with the diameter of 48mm, and the thickness of the top template and the thickness of the side template are 4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921284215.5U CN210217775U (en) | 2019-08-09 | 2019-08-09 | Steel mould trolley for small-section tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921284215.5U CN210217775U (en) | 2019-08-09 | 2019-08-09 | Steel mould trolley for small-section tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN210217775U true CN210217775U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921284215.5U Expired - Fee Related CN210217775U (en) | 2019-08-09 | 2019-08-09 | Steel mould trolley for small-section tunnel |
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| CN (1) | CN210217775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605685A (en) * | 2021-08-05 | 2021-11-05 | 中国二十二冶集团有限公司 | Construction method of flue top plate arch structure supporting system |
| CN113738403A (en) * | 2021-09-24 | 2021-12-03 | 山东水总有限公司 | Small-section tunnel lining trolley |
-
2019
- 2019-08-09 CN CN201921284215.5U patent/CN210217775U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605685A (en) * | 2021-08-05 | 2021-11-05 | 中国二十二冶集团有限公司 | Construction method of flue top plate arch structure supporting system |
| CN113738403A (en) * | 2021-09-24 | 2021-12-03 | 山东水总有限公司 | Small-section tunnel lining trolley |
| CN113738403B (en) * | 2021-09-24 | 2024-06-11 | 山东水总有限公司 | Small-section tunnel lining trolley |
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Granted publication date: 20200331 Termination date: 20200809 |