CN217107086U - Roof supporting mechanism for supporting tunnel construction steel mould trolley - Google Patents
Roof supporting mechanism for supporting tunnel construction steel mould trolley Download PDFInfo
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- CN217107086U CN217107086U CN202220847834.6U CN202220847834U CN217107086U CN 217107086 U CN217107086 U CN 217107086U CN 202220847834 U CN202220847834 U CN 202220847834U CN 217107086 U CN217107086 U CN 217107086U
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Abstract
The utility model discloses a roof supporting mechanism for supporting a tunnel construction steel mould trolley, wherein two telescopic supporting legs are arranged at intervals on the same section, and an interval space is formed between the two telescopic supporting legs; the side supporting beam is arranged on the tops of the two telescopic supporting feet, two ends of the side supporting beam are in contact support with the inner surface of the lining template, and the lower part of the side supporting beam and the two telescopic supporting feet at intervals form a space for installing a ventilation pipe; the tunnel ventilation device is characterized by further comprising a ventilation pipe capable of ventilating the tunnel, wherein the ventilation pipe is arranged in a space formed by the lower portion of the side supporting beam and the two spaced telescopic supporting legs. Because the ventilation pipe is located the space that side props roof beam lower part and two spaced flexible supporting legss constitute, when carrying out concrete and pour and appear the atress unstability in later stage maintenance and lead to the inside lining template to warp, the side props the roof beam can bear the deformability with inside lining template contact, has solved the ventilation pipe and has directly contacted with inside lining arc template, has inside lining arc template to warp the problem that can extrude the ventilation pipe damage.
Description
Technical Field
The utility model relates to a support roof supporting mechanism of tunnel construction steel mould platform truck belongs to tunnel construction technical field.
Background
In the construction of a tunnel, it is necessary to support the inner surface of the tunnel using a steel form car or the like as a support device, and then cast the inner surface of the tunnel using concrete.
When the steel mould trolley is used for construction, in order to facilitate construction operation at the lower part of the frame 5 and achieve the ventilation effect, the ventilation pipe 10 needs to be installed on the frame 5 for ventilation, in the construction method with the Chinese patent publication number of CN101403305B for continuous mucking, lining and excavation synchronization, although the ventilation can be realized at the top of the steel mould trolley by the disclosed construction technology, the ventilation pipe directly contacts with the lining arc-shaped template, when the lining template deforms due to unstable stress during concrete pouring and later maintenance, the problem that the ventilation pipe is extruded and damaged due to deformation of the lining arc-shaped template exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a support roof supporting mechanism of tunnel construction steel mould platform truck.
The utility model discloses a following technical scheme can realize.
The utility model provides a pair of support roof supporting mechanism of tunnel construction steel mould platform truck, include:
the telescopic supporting legs are two at intervals on the same section, and an interval space is formed between the two telescopic supporting legs;
the side supporting beam is arranged on the tops of the two telescopic supporting feet, two ends of the side supporting beam are in contact support with the inner surface of the lining template, and the lower part of the side supporting beam and the two telescopic supporting feet at intervals form a space for installing a ventilation pipe;
the tunnel ventilation device is characterized by further comprising a ventilation pipe capable of ventilating the tunnel, wherein the ventilation pipe is arranged in a space formed by the lower portion of the side supporting beam and the two spaced telescopic supporting legs.
The side supporting beam and the top of the telescopic supporting leg are in sliding sleeve joint or are fixedly welded or fixedly installed through bolts.
And two ends of the side supporting beam are inclined planes which are in contact with and supported by the inner surface of the lining template.
Be located two flexible supporting legs top position be fixed with the shore beam on the side shore beam, the shore beam supports inside lining template top, and shore beam top and inside lining template top inner face contact support have the interval space easy access between the shore beam, and when inside lining template top inner face was out of shape downwards, the shore beam was first earlier supported, and the side shore beam is carrying out the secondary and is supporting.
The top bracing beam and the side bracing beam are fixed through bolts or welding.
And the top of the jacking beam is in contact support with the inner surface inclined plane at the top of the lining template.
The telescopic supporting foot device is characterized by further comprising a telescopic pulling piece, wherein the two ends of the telescopic pulling piece are mounted at the bottoms of the two telescopic supporting feet, and the telescopic pulling piece stretches to strain the bottoms of the two telescopic supporting feet.
The telescopic pulling piece is a telescopic hydraulic rod or a telescopic air pressure rod.
The beneficial effects of the utility model reside in that: because the ventilation pipe is located the space that side props roof beam lower part and two spaced flexible supporting legss constitute, when carrying out concrete and pour and appear the atress unstability in later stage maintenance and lead to the inside lining template to warp, the side props the roof beam can bear the deformability with inside lining template contact, has solved the ventilation pipe and has directly contacted with inside lining arc template, has inside lining arc template to warp the problem that can extrude the ventilation pipe damage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1-tunnel inner wall part; 2-a support plate; 3-a drainage ditch; 4-orbit; 5-a frame; 51-supporting feet; 511-a standing part; 512-a bend; 52-a cross beam; 6, lining a template; 7-roof support mechanism; 71-telescopic supporting legs; 72-side bracing beams; 73-a top bracing beam; 74-a telescoping pull; 8-a telescopic member; 9-heat preservation pipe bundle; 10-ventilating pipe.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
In the circular water delivery tunnel steel mould trolley lining structure with the Chinese patent publication number of CN212359792U, although the disclosed technology can realize the lining of concrete used in the later period of supporting a tunnel, because a trolley bottom mould, a trolley side mould and a trolley top mould are all contacted with the concrete of a tunnel wall, the technical problem of inconvenient construction of dismantling in the later period exists.
As shown in fig. 1.
The utility model discloses a support roof supporting mechanism of tunnel construction steel mould platform truck, include:
pouring concrete in advance to fix and form the tunnel inner wall parts 1 at the bottom and the side edges of the tunnel, wherein the tunnel inner wall parts 1 are formed at the bottom and the vertical side edges of the tunnel in advance;
a supporting plate 2 which is formed on the bottom surface inside the inner wall part 1 of the tunnel by pouring concrete, wherein a drainage ditch 3 for draining water is formed at an interval between one end of the supporting plate 2 and the inside of the inner wall part 1 of the tunnel;
a track 4 arranged on the supporting plate 2, wherein a frame 5 is arranged on the track 4 in a controllable rolling manner through a roller;
the lining template 6 is arranged on the upper part of the frame 5, and two outer sides of the bottom of the lining template 6 are in contact installation with the top of the inner wall part 1 of the tunnel;
and a roof support mechanism 7 mounted on the top of the vehicle frame 5 for supporting the inner surface of the top of the lining form 6.
Because the tunnel inner wall part 1 installed in contact with the lining template 6 is formed in advance, concrete is poured in the space between the tunnel and the lining template 6 at the later stage, only the lining template 6 at the top of the tunnel needs to be dismantled, the space convenient for construction can be obtained at the tunnel inner wall part 1, the lining template 6 is convenient to dismantle, and the technical problem that the inconvenient construction is carried out during the later stage is solved.
The two sides of the frame 5 are connected with the lining template 6 through the telescopic parts 8, and the telescopic parts 8 are controlled to telescopically adjust the supporting force of the frame 5 on the lining template 6.
The two ends of the expansion piece 8 are closed and rotatably hinged with the frame 5 and the lining template 6, so that the expansion piece 8 can be conveniently installed at a rotating point.
The telescopic part 8 is a telescopic hydraulic rod or a telescopic air pressure rod.
When the steel mould trolley is constructed, sometimes when a plurality of heat preservation pipe bundles 9 for preserving heat of concrete by passing through heat preservation media are installed on the inner wall part 1 of the tunnel, the frame of the existing steel mould trolley is in a vertical straight-going state, for example, the steel mould trolley with a positioning structure for the small-section tunnel of Chinese patent publication No. CN210564562U, the frame in the vertical straight-going state can drive the whole steel mould trolley to go forward, but the space between the frame in the vertical straight-going state and the inner wall part 1 of the tunnel is too narrow, so that the problem that the installation operation of the plurality of heat preservation pipes 9 on the inner wall part 1 of the tunnel is inconvenient exists.
The utility model discloses a support frame of tunnel construction steel mould platform truck, frame 5 includes:
the supporting legs 51 are distributed on the same cross section at intervals, the supporting legs 51 are divided into an upright part 511 made of a steel plate and a bent part 512 made of a steel plate, and the bottom of the upright part 51 is provided with a roller which is installed and matched with the rail 4 in a controllable rolling manner;
the cross beam 52 is connected with the top of the supporting foot 51, and the cross beam 52 is fixedly connected with the top of the supporting foot 51 through bolts or welding; one end of the bending part 512 is bent inwards and fixedly arranged at the top of the upright part 511, and the other end of the bending part 512 is fixedly connected with the bottom of the cross beam 52 through bolts or welding.
When the heat preservation pipe bundle installing device is used, the space between the bending portion 512 at the upper middle part of the frame 5 and the inner wall part 1 of the tunnel is enlarged, so that the installation operation of a plurality of heat preservation pipe bundles 9 on the inner wall part 1 of the tunnel is facilitated, and the problem that the space between the frame in a vertical straight state and the inner wall part 1 of the tunnel is too narrow, and the installation operation of the plurality of heat preservation pipe bundles 9 on the inner wall part 1 of the tunnel is inconvenient is solved.
The reinforcing rib 53 is further included, and two ends of the reinforcing rib 53 are fixedly connected with the bottom of the cross beam 52 and the bending part 512 in a welding mode for reinforcing.
The utility model provides a support roof supporting mechanism of tunnel construction steel mould platform truck, roof supporting mechanism 7 includes:
the bottom of the telescopic supporting leg 71 is arranged on the cross beam 52 of the frame 5, the two telescopic supporting legs 71 are spaced on the same section, and a spaced space is formed between the two telescopic supporting legs 71;
the side supporting beam 72 can be slidably sleeved or welded and fixed or fixedly installed on the tops of the two telescopic supporting feet 71 through bolts, two ends of the side supporting beam 72 are inclined planes which are in contact with and supported by the inner surface of the lining template 6, and the lower part of the side supporting beam 72 and the two telescopic supporting feet 71 at intervals form a space for installing the ventilation pipe 10;
the tunnel ventilation device further comprises a ventilation pipe 10 capable of ventilating the tunnel, and the ventilation pipe 10 is arranged in a space formed by the lower part of the side supporting beam 72 and the two spaced telescopic supporting feet 71.
Because ventilation pipe 10 is located the space that side brace roof beam 72 lower part and two spaced telescopic support legs 71 constitute, when concrete is pour and later stage maintenance phase appears the atress unstability and leads to the inside lining template to warp, side brace roof beam 72 can bear the deformability with inside lining template 6 contact, has solved the ventilation pipe and has directly contacted with inside lining arc template, has inside lining arc template to warp the problem that can damage the ventilation pipe extrusion.
Be located two telescopic support leg 71 top positions bolt or welded fastening have a shore beam 73 on the roof beam 72, shore beam 73 supports inside liner template 6 top, shore beam 73 top and the contact of inside liner template 6 top inner face inclined plane support, have the interstitial space easy to overhaul between the roof beam 73, when inside liner template top inner face warp downwards, shore beam 73 carries out first earlier and supports, and the roof beam 72 is being carried out the secondary and is supporting.
The telescopic supporting leg structure further comprises a telescopic pulling piece 74, two ends of the telescopic pulling piece 74 are mounted at the bottoms of the two telescopic supporting legs 71, and the telescopic pulling piece 74 stretches and contracts to strain and stress the bottoms of the two telescopic supporting legs 71, so that the positions of the two telescopic supporting legs 71 on the cross beam 52 of the frame 5 are stably controlled. When installed, the tension members 74 are secured to the cross member 52.
The telescopic pulling member 74 is a telescopic hydraulic rod or a telescopic pneumatic rod.
The technology of the application is derived from the karst double-section III-mark construction process of Xinjiang quotation water supply second-stage water delivery engineering.
Claims (8)
1. The utility model provides a support roof supporting mechanism of tunnel construction steel mould platform truck which characterized in that includes:
the telescopic supporting legs (71), the telescopic supporting legs (71) are two at intervals on the same cross section, and an interval space is formed between the two telescopic supporting legs (71);
the side supporting beam (72) is arranged on the tops of the two telescopic supporting feet (71), two ends of the side supporting beam (72) are in contact support with the inner surface of the lining template (6), and the lower part of the side supporting beam (72) and the two telescopic supporting feet (71) at intervals form a space for installing the ventilation pipe (10);
the tunnel ventilation device is characterized by further comprising a ventilation pipe (10) capable of ventilating the tunnel, wherein the ventilation pipe (10) is arranged in a space formed by the lower portion of the side supporting beam (72) and the two spaced telescopic supporting legs (71).
2. The roof support mechanism of a support tunnel construction steel form trolley of claim 1, characterized in that: the side supporting beam (72) and the top of the telescopic supporting leg (71) can be in sliding sleeve joint or welded and fixed or fixed through bolts.
3. The roof support mechanism of the support tunnel construction steel form trolley of claim 2, characterized in that: and two ends of the side supporting beam (72) are inclined planes which are in contact with and supported by the inner surface of the lining template (6).
4. The roof support mechanism of a support tunnel construction steel form trolley of claim 1, characterized in that: be located two telescopic support foot (71) top positions be fixed with shore beam (73) on side shore beam (72), shore beam (73) supports inside lining template (6) top inner face, shore beam (73) top and inside lining template (6) top inner face contact support, have the interval space between shore beam (73).
5. The roof support mechanism of a support tunnel construction steel form trolley of claim 4, characterized in that: the top bracing beam (73) and the side bracing beam (72) are fixed through bolts or welding.
6. The roof support mechanism of a support tunnel construction steel form trolley of claim 4, characterized in that: the top of the jacking beam (73) is in contact with the inner surface inclined plane at the top of the lining template (6) for supporting.
7. The roof support mechanism of a support tunnel construction steel form trolley of claim 4, characterized in that: the telescopic supporting foot device is characterized by further comprising a telescopic pulling piece (74), wherein two ends of the telescopic pulling piece (74) are installed at the bottoms of the two telescopic supporting feet (71), and the telescopic pulling piece (74) stretches to strain and bear the bottoms of the two telescopic supporting feet (71).
8. A roof support mechanism for supporting a tunnel construction steel form trolley according to claim 7, characterized in that: the telescopic pulling piece (74) is a telescopic hydraulic rod or a telescopic air pressure rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220847834.6U CN217107086U (en) | 2022-04-13 | 2022-04-13 | Roof supporting mechanism for supporting tunnel construction steel mould trolley |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220847834.6U CN217107086U (en) | 2022-04-13 | 2022-04-13 | Roof supporting mechanism for supporting tunnel construction steel mould trolley |
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| CN217107086U true CN217107086U (en) | 2022-08-02 |
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| CN202220847834.6U Active CN217107086U (en) | 2022-04-13 | 2022-04-13 | Roof supporting mechanism for supporting tunnel construction steel mould trolley |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030761A (en) * | 2022-08-11 | 2022-09-09 | 应急管理部国家自然灾害防治研究院 | Tunnel portal supporting equipment for preventing earthquake landslide and rockfall impact and using method |
-
2022
- 2022-04-13 CN CN202220847834.6U patent/CN217107086U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030761A (en) * | 2022-08-11 | 2022-09-09 | 应急管理部国家自然灾害防治研究院 | Tunnel portal supporting equipment for preventing earthquake landslide and rockfall impact and using method |
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