CN217440050U - A novel lining cutting platform truck for heavy grade tunnel secondary lining construction - Google Patents
A novel lining cutting platform truck for heavy grade tunnel secondary lining construction Download PDFInfo
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- CN217440050U CN217440050U CN202221390962.9U CN202221390962U CN217440050U CN 217440050 U CN217440050 U CN 217440050U CN 202221390962 U CN202221390962 U CN 202221390962U CN 217440050 U CN217440050 U CN 217440050U
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Abstract
The utility model relates to a novel lining cutting platform truck for secondary lining construction of a tunnel with large gradient, which comprises a template system, a portal system, a hydraulic system, a walking system, a transverse fine adjustment system assembly, a special track for climbing, a basic supporting lead screw, an anti-inclination locking mechanism, a rail clamping device, an anti-sliding vehicle locking mechanism, a river-crossing supporting telescopic lead screw of a template, a lifting adjusting system, a template opening and closing adjusting system, a lateral supporting lead screw and a vertical supporting lead screw; the portal system comprises portal columns, portal beams, portal upper longitudinal beams, upper longitudinal beam connecting beams, portal beam longitudinal links, portal stabilizing shear supports and portal lower longitudinal beams; the anti-tilting locking mechanism comprises a locking vertical rod piece, a locking diagonal rod piece, a locking screw rod and a locking nut. The utility model relates to an ingenious, construction convenience reduces the operator technical level degree of difficulty, has reduced operating personnel intensity of labour, improves the efficiency and the quality of tunnel lining construction, to prior art, has fine market prospect and development space.
Description
Technical Field
The utility model relates to a slope tunnel lining construction machinery device field, concretely relates to a novel lining cutting platform truck for construction of heavy grade tunnel secondary lining.
Background
The tunnel secondary lining trolley is used as indispensable special equipment for constructing tunnels by a drilling and blasting method, and makes a great contribution to the rapid construction of tunnel engineering. The efficiency and the safety quality of the tunnel secondary lining trolley play an important role in keeping the operation safety of the tunnel. Due to the requirements of safe driving, comfort and ventilation and drainage of railways or highways, the slope of a conventional tunnel longitudinal slope should generally be not less than 0.3% and not more than 3%. The conventional gradient tunnel has a mature two-lining trolley application, but with the construction and extension of national high-speed rails, long and large tunnels are more and more, and national defense underground engineering is constructed, in order to accelerate the construction period, the traditional opposite excavation mode of two ends cannot adapt to the requirement of the construction period, and a multi-point tunnel excavation face construction mode must be adopted. Wherein for the consideration of slag tapping and safe passage, will build several inclined shaft passageways, these passageways often must adopt the tunnel construction of heavy grade because of geological conditions restriction or distance is short. And rely on traditional conventional tunnel trolley thinking of growing up in the platform truck construction design, often take place a series of problems, if the traveling system skidded, the platform truck slips down, pouring in-process template relative slip etc.. Great potential safety hazard is caused to the quality of tunnel construction. How to discover the potential safety hazard of the design of the tunnel trolley as early as possible and take feasible remedial measures, and the occurrence of safety accidents of tunnel engineering collapse prevention is very important.
In the traditional tunnel engineering construction, due to a large ramp, a winch is often required to be equipped for providing pulling force or temporarily using the thrust of engineering machinery when a walking system slips; when concrete pouring construction is carried out, due to the fact that the self weight is large, support is unstable or a steel wire rope of a winch is broken, the problem that the appearance quality of a lining of a template running formwork is poor due to the fact that construction is not standardized is often caused, and even safety accidents are caused when construction is serious. Even if the problems can be found in time, if the problems of die running and car sliding are handled by professionals each time, firstly, the requirements on the construction experience level of operators are high, and common personnel are difficult to master; secondly, repeated adjustment causes construction pause, and the working efficiency of lining construction is seriously influenced. Therefore, the method becomes a technical problem to be solved.
In response to these problems, manufacturing units have also tried several times in recent years. According to the patent CN206972254U, an anti-skid device assembled by using telescopic oil cylinders is arranged on a portal assembly at one end with a low gradient, so that the large-gradient inclined shaft lining trolley is formed. The problem of swift current car has been improved to a certain extent, but it needs to rely on hydraulic cylinder to stretch out and draw back repeatedly in proper order in turn and go forward, and the speed of marcing is very slow, moves the machine in great tunnel engineering and takes a lot of work and time, and manufacturing process is complicated, the installation degree of difficulty is big in manufacturing process, is not convenient for popularize and apply in actual tunnel construction, still can not fundamentally effectively solve the problem.
How to design a design benefit, solve the lining cutting step appearance quality problem that the template ran the mould and caused in the tunnel trolley construction, solve the big platform truck swift current car problem that causes of pressure in the pouring construction, construction convenience reduces the operator technical level degree of difficulty, has reduced operating personnel intensity of labour, and a novel lining cutting platform truck for heavy grade tunnel secondary lining construction that improves the efficiency and the quality of tunnel lining construction is the problem that needs to solve at present.
SUMMERY OF THE UTILITY MODEL
In order to solve lining cutting step appearance quality that the template roadster caused in the current tunnel platform truck construction, the platform truck swift current car that pressure caused greatly in the construction of pouring, technical problem such as work efficiency that influences the lining cutting construction, the utility model provides a novel lining cutting platform truck for construction of heavy grade tunnel secondary lining realizes design benefit, solves lining cutting step appearance quality problem that the template roadster caused in the tunnel platform truck construction, solves the platform truck swift current car problem that pressure caused greatly in the construction of pouring, construction convenience reduces the operator technical level degree of difficulty, has reduced operating personnel intensity of labour, improves the efficiency of tunnel lining cutting construction and the purpose of quality.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a novel lining trolley for secondary lining construction of a large-gradient tunnel comprises a template system, a portal system, a hydraulic system, a walking system, a transverse fine adjustment system assembly, a special climbing track, a foundation support screw rod, an anti-inclination locking mechanism, a rail clamping device, an anti-sliding vehicle locking mechanism, a template river-crossing support telescopic screw rod, a lifting adjusting system, a template opening and closing adjusting system, a lateral support screw rod and a vertical support screw rod, wherein the template system is formed by connecting a plurality of sections of template structures through bolts and pin shafts to form an arc-shaped template; the portal system comprises portal columns, portal beams, portal upper longitudinal beams, upper longitudinal beam connecting beams, portal beam longitudinal links, portal stable shear supports and portal lower longitudinal beams, and all structural components of the portal system are screwed by bolts to form a rigid whole; the anti-tilting locking mechanism comprises a locking vertical rod piece, a locking diagonal rod piece, a locking screw rod and a locking nut, wherein the locking vertical rod piece and the locking diagonal rod piece are fixed on the longitudinal beam on the portal through bolt connection, the locking nut is welded on the locking vertical rod piece, and the locking screw rod is assembled in the locking nut and can be adjusted on the locking nut in a telescopic mode.
The anti-sliding locking mechanism comprises an upper sleeve, a left-handed screw rod, a left-handed nut, an adjusting sleeve, a right-handed nut, a right-handed screw rod, a lower sleeve and a rail locking mechanism, wherein the upper sleeve is fixedly connected with the upright post of the door frame through a bolt piece; the upper sleeve and the left-handed screw rod are welded together through a connecting plate; the right-handed screw rod and the lower sleeve are also welded together through a connecting plate; the left-handed screw rod and the right-handed screw rod can rotate in the adjusting mechanism in the positive and negative directions to adjust the telescopic displacement.
And the lower end of the lower sleeve is welded with a track locking mechanism, and the track locking mechanism is screwed up and locked with a special climbing track through bolts.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a template system, portal system, hydraulic system, traveling system, horizontal fine setting system assembly, special track of climbing, basic support lead screw, anti-tilt locking mechanism, card rail ware, prevent swift current car locking mechanism, template cross the river and support telescopic screw, lift adjustment system, template and open and close governing system, side direction support lead screw and vertical support lead screw, the utility model discloses a structural innovation design adopts a novel template auto-lock structure and prevents swift current car locking mechanism and accomplish and pour in-process platform truck auto-lock. Meanwhile, a special track for creeping formwork is designed on the basis of the original traditional track, and a rail clamping device locking mechanism is added in a matching manner, so that an operator can easily switch between a lining working state and a non-working state, and the operation is convenient and fast.
Drawings
FIG. 1 is a schematic elevation view of a tunnel lining trolley;
FIG. 2 is a schematic side view of a tunnel secondary lining trolley;
FIG. 3 is a front schematic view of a gantry system;
FIG. 4 is a side schematic view of the gantry system;
FIG. 5 is a partial schematic view of the anti-tip locking mechanism;
FIG. 6 is a partial schematic view of the anti-roll locking mechanism;
the mark in the figure is: 1. template system, 2, gantry system, 201, gantry upright post, 202, gantry beam, 203, gantry upper longitudinal beam, 204, upper longitudinal beam connecting beam, 205, gantry beam longitudinal connection, 206, gantry stable shearing force support, 207, gantry lower longitudinal beam, 3, hydraulic system, 4, traveling system, 5, transverse fine adjustment system assembly, 6, special track for climbing, 7, foundation support lead screw, 8, anti-inclination locking mechanism, 801, locking vertical rod, 802, locking diagonal rod, 803, locking lead screw, 804, locking nut, 9, rail clamping device, 10, anti-slide vehicle locking mechanism, 1001, upper sleeve, 1002, left-handed lead screw, 1003, left-handed nut, 1005, adjusting sleeve, 803, right-handed nut, 1006, right-handed lead screw, 1007, lower sleeve, 1008, track locking mechanism, 11, template river-passing support telescopic lead screw, 12, lifting adjusting system, 13, template opening and closing adjusting system, 14. lateral support lead screw, 15, vertical support lead screw.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The layout overall structure diagram of the secondary lining trolley of the steep tunnel is shown in fig. 1 and fig. 2, and the novel lining trolley for the secondary lining construction of the steep tunnel comprises a template system 1, a portal system 2, a hydraulic system 3, a traveling system 4, a transverse fine adjustment system assembly 5, a special climbing track 6, a basic supporting lead screw 7, an anti-inclination locking mechanism 8, a rail clamping device 9, an anti-rolling vehicle locking mechanism 10, a river-crossing template supporting telescopic lead screw 11, a lifting adjusting system 12, a template opening and closing adjusting system 13, a lateral supporting lead screw 14 and a vertical supporting lead screw 15, wherein the template system 1 is formed into a circular arc template by connecting a plurality of sections of template structures through bolts and pins.
As shown in fig. 3 and 4, the gantry system 2 includes a gantry upright 201, a gantry cross beam 202, a gantry upper longitudinal beam 203, an upper longitudinal beam connecting beam 204, a gantry cross beam longitudinal link 205, a gantry stabilizing shear support 206 and a gantry lower longitudinal beam 207, and the various structural components of the gantry system 2 are screwed together by bolts to form a rigid whole.
As shown in fig. 5, fig. 5 is a partial schematic view of the anti-tilt locking mechanism, the anti-tilt locking mechanism 8 includes a locking vertical rod 801, a locking diagonal rod 802, a locking screw 803 and a locking nut 804, wherein the locking vertical rod 801 and the locking diagonal rod 802 are fixed on the upper longitudinal beam 203 of the gantry through bolt connection, the locking nut 804 is welded on the locking vertical rod 801, and the locking screw 803 is assembled in the locking nut 804 and can be telescopically adjusted on the locking nut 804; a plurality of groups of anti-tilting locking mechanism structures are symmetrical on a single trolley; when the tunnel trolley climbs or concrete is poured on a slope, a plurality of groups of anti-inclination locking mechanisms arranged on the trolley lock the whole template structure in the mutual direction, and the whole trolley template has no movable gap, so that the template is free of relative sliding and running.
As shown in fig. 6, fig. 6 is a partial schematic view of the anti-rolling locking mechanism, the anti-rolling locking mechanism 10 includes an upper sleeve 1001, a left-handed screw rod 1002, a left-handed nut 1003, an adjusting sleeve 1004, a right-handed nut 1005, a right-handed screw rod 1006, a lower sleeve 1007 and a track locking mechanism 1008, wherein the upper sleeve 1001 is fixedly connected with the gantry column 201 through a bolt; the upper sleeve 1001 and the left-handed screw rod 1002 are welded together through a connecting plate; the right-handed screw 1006 and the lower sleeve 1007 are welded together through a connecting plate; the left-handed nut 1003, the adjusting sleeve 1004 and the right-handed nut 1005 are welded together to form a forward and reverse rotation adjusting mechanism, and the left-handed screw rod 1002 and the right-handed screw rod 1006 can rotate forward and reverse in the adjusting mechanism to adjust telescopic displacement.
The lower end of the lower sleeve 1007 is welded with a track locking mechanism 1008, and the track locking mechanism 1008 is screwed with the special climbing track 6 through bolts and locked.
In practical operation, the utility model discloses a theory of operation does: in an initial state, the large-gradient tunnel secondary lining trolley moves to a pouring position under the driving of the traveling system 4, and when the tunnel lining trolley stops, a mechanical locking system is needed to fix the tunnel lining trolley; and the transverse fine adjustment system assembly 5, the lifting adjustment system 12 and the template opening and closing adjustment system 13 sequentially adjust the trolley pouring parameters in place. Then, adjusting the anti-tilt locking mechanism structure 8 to lock the whole template system; then adjusting the anti-sliding locking mechanism structure 10 to directly adjust and lock the whole trolley and the track, wherein the whole trolley is in a fastening connection state from top to bottom; a concrete pouring process can be performed. When the tunnel lining trolley is ready to walk after being poured, the structural system of the anti-sliding locking mechanism 8 is checked firstly, so that the anti-sliding locking mechanism is separated from the track. Then the workpiece is driven by a power system to move to the next working position.
The two-lining trolley for the large-gradient tunnel is light in structure and convenient to implement, enlarges the working range of the tunnel lining trolley, and can be used for large-gradient tunnels and conventional tunnels. Under normal conditions, the tunnel lining trolley does not need to be adjusted midway, the installation efficiency and quality of the tunnel lining trolley are improved, and the tunnel lining trolley can be repeatedly used.
The utility model relates to an ingenious, the lining cutting step appearance quality problem that the template ran the mould and caused in the construction of solution tunnel platform truck, the big platform truck swift current car problem that causes of pressure in the solution construction, construction convenience reduces the operator technical level degree of difficulty, has reduced operating personnel intensity of labour, improves the efficiency and the quality of tunnel lining construction, to prior art, has fine market prospect and development space.
The preferred embodiments and examples of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments and examples, and various changes can be made without departing from the concept of the present invention within the knowledge of those skilled in the art.
Claims (3)
1. The utility model provides a novel lining cutting platform truck for construction of heavy grade tunnel secondary lining which characterized in that: the device comprises a template system (1), a gantry system (2), a hydraulic system (3), a traveling system (4), a transverse fine adjustment system assembly (5), a special climbing track (6), a foundation support lead screw (7), an anti-inclination locking mechanism (8), a rail clamping device (9), an anti-sliding vehicle locking mechanism (10), a template river-crossing support telescopic lead screw (11), a lifting adjusting system (12), a template opening and closing adjusting system (13), a lateral support lead screw (14) and a vertical support lead screw (15), wherein the template system (1) is formed by connecting a plurality of sections of template structures through bolts and pin shafts; the gantry system (2) comprises gantry upright columns (201), gantry cross beams (202), gantry upper longitudinal beams (203), upper longitudinal beam connecting beams (204), gantry cross beam longitudinal connections (205), gantry stable shear supports (206) and gantry lower longitudinal beams (207), and all structural components of the gantry system (2) are screwed by bolts to form a rigid whole; the anti-inclination locking mechanism (8) comprises a locking vertical rod piece (801), a locking diagonal rod piece (802), a locking screw rod (803) and a locking nut (804), wherein the locking vertical rod piece (801) and the locking diagonal rod piece (802) are fixed on the upper longitudinal beam (203) of the door frame through bolt connection, the locking nut (804) is welded on the locking vertical rod piece (801), and the locking screw rod (803) is assembled in the locking nut (804) and can be adjusted in a telescopic mode on the locking nut (804).
2. The novel lining trolley for the secondary lining construction of the large-gradient tunnel as claimed in claim 1, wherein: the anti-sliding locking mechanism (10) comprises an upper sleeve (1001), a left-handed screw rod (1002), a left-handed nut (1003), an adjusting sleeve (1004), a right-handed nut (1005), a right-handed screw rod (1006), a lower sleeve (1007) and a track locking mechanism (1008), wherein the upper sleeve (1001) is fixedly connected with a portal upright post (201) through a bolt piece; the upper sleeve (1001) and the left-handed screw rod (1002) are welded together through a connecting plate; the right-handed screw rod (1006) and the lower sleeve (1007) are welded together through a connecting plate; the left-handed nut (1003), the adjusting sleeve (1004) and the right-handed nut (1005) are welded together to form a forward and reverse rotation adjusting mechanism, and the left-handed screw rod (1002) and the right-handed screw rod (1006) can rotate forward and reverse in the adjusting mechanism to adjust telescopic displacement.
3. The novel lining trolley for the secondary lining construction of the large-gradient tunnel as claimed in claim 2, wherein: the lower end of the lower sleeve (1007) is welded with a track locking mechanism (1008), and the track locking mechanism (1008) is screwed and locked with a special climbing track (6) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221390962.9U CN217440050U (en) | 2022-06-06 | 2022-06-06 | A novel lining cutting platform truck for heavy grade tunnel secondary lining construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221390962.9U CN217440050U (en) | 2022-06-06 | 2022-06-06 | A novel lining cutting platform truck for heavy grade tunnel secondary lining construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217440050U true CN217440050U (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221390962.9U Active CN217440050U (en) | 2022-06-06 | 2022-06-06 | A novel lining cutting platform truck for heavy grade tunnel secondary lining construction |
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| Country | Link |
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| CN (1) | CN217440050U (en) |
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2022
- 2022-06-06 CN CN202221390962.9U patent/CN217440050U/en active Active
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