CN109518550B - Walking intelligent multifunctional track beam and method for carrying out tunnel construction by using same - Google Patents
Walking intelligent multifunctional track beam and method for carrying out tunnel construction by using same Download PDFInfo
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- CN109518550B CN109518550B CN201811592776.1A CN201811592776A CN109518550B CN 109518550 B CN109518550 B CN 109518550B CN 201811592776 A CN201811592776 A CN 201811592776A CN 109518550 B CN109518550 B CN 109518550B
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- 238000010276 construction Methods 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000003825 pressing Methods 0.000 claims description 13
- 238000009412 basement excavation Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000004745 nonwoven fabric Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
- E01B23/10—Shiftable tracks for heavy loads, e.g. carrying excavators
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
- E01B23/10—Shiftable tracks for heavy loads, e.g. carrying excavators
- E01B23/14—Fastening or joining means
-
- 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
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
-
- 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
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention belongs to the technical field of tunnel construction tracks, and discloses a walking intelligent multifunctional track beam and a tunnel construction method using the track beam. The main technical characteristics are as follows: the track comprises a track body, wherein a track traveling rear wheel and a track traveling front wheel are arranged below the track body, at least three supporting beams are arranged below the track body behind the track traveling front wheel, telescopic mechanisms are arranged in the supporting beams, supporting pipes are arranged at two ends of the telescopic mechanisms, and beam traveling mechanisms are arranged at two ends close to the supporting beams. During construction, the supporting beam is moved to a set position; the two ends of the supporting tube are propped against the side wall of the tunnel; after the construction is completed, all the construction trolleys are moved backwards to the position above the track body above the track travelling rear wheels, the telescopic mechanism in the supporting beam is retracted, and the whole track body is moved forwards, so that various constructions of the rear ends of the newly-excavated inverted arch tunnels, which are reached by the track travelling rear wheels, can be simultaneously carried out on different action surfaces, and the construction period is greatly shortened.
Description
Technical Field
The invention belongs to the technical field of track beams, and particularly relates to a walking intelligent multifunctional track beam and a tunnel construction method using the track beam.
Background
With the rapid development of the economy of China, various infrastructures of China are continuously developed and perfected, and due to the fact that the terrains and regions are complex, a large number of tunnels are required to be built when infrastructures such as roads, railways and the like are built so as to meet production and living requirements. In tunnel construction, a tunnel at the front is excavated, inverted arch is laid, a steel frame is required at the top or both sides of the tunnel, anchor rods are beaten, non-woven fabrics are laid, waterproof paint is sprayed, and the like. At present, tunneling and inverted arch pouring are completed through trestle, and after inverted arch pouring is completed, the working procedures of steel frame erecting, anchor rod beating, non-woven fabric paving and the like are performed. The above method has the following defects: firstly, after the previous working procedure is finished, the next working procedure is carried out, and the construction period is long; secondly, after pouring a section of inverted arch mould, hoisting to the next position, and readjusting the height of the mould, wherein the adjustment is time-consuming and labor-consuming; thirdly, the error is big when the mould is adjusted, and construction quality is poor.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide the walking intelligent multifunctional track beam which is convenient to move and lift, fast in construction progress and high in construction quality.
In order to solve the problems, the invention adopts the following technical scheme that: the folding type track comprises a track body, wherein the cross section of the track body is in a shape like a Chinese character 'ji' or 'L' with folded edges, a track advancing rear wheel is arranged below the rear part of the track body, a track advancing front wheel is arranged below the front part of the track body, at least three supporting beams are arranged below the track body behind the track advancing front wheel, each supporting beam comprises a beam body with an inner cavity, a telescopic mechanism is arranged in the middle position of the inner cavity of the beam body, supporting pipes are arranged at the two ends of each telescopic mechanism, the outer ends of the supporting pipes extend out of the beam body, and beam advancing mechanisms are arranged at the two ends close to the beam body; the beam body advancing mechanism comprises a fixing frame fixed with the beam body, an advancing gear is arranged on the fixing frame, a track pinch roller is arranged above the advancing gear, the advancing gear and the track pinch roller are in power connection with the power mechanism, the advancing gear is attached to the lower portion of the track body, and the track pinch roller is pressed above the folded edge of the track body.
The additional technical characteristics are as follows:
the outer end of the supporting tube is provided with supporting feet;
the supporting legs are arc-shaped;
the telescopic mechanism comprises a fixed seat positioned at the middle position, hydraulic cylinders are arranged at two ends of the fixed seat, and ejector rods of the hydraulic cylinders are connected with the supporting tubes;
the beam body comprises two beam splitting bodies and a connecting mechanism positioned between the two beam splitting bodies;
a through hole is formed in the side face of the beam body;
an end die hydraulic cylinder is arranged below the middle supporting beam, and a push rod of the end die hydraulic cylinder is fixedly connected with the end die; a first side die travelling wheel frame is arranged behind the middle supporting beam, a first side die travelling wheel is arranged on the first side die travelling wheel frame, a first side die limiting pinch roller is arranged above the first side die travelling wheel, the first side die travelling wheel is attached below the track body, the first side die limiting pinch roller is pressed above the folded edge of the track body, a first side die hanging frame is arranged below the first side die travelling wheel frame, a first side die hydraulic cylinder is arranged below the first side die hanging frame, and a push rod of the first side die hydraulic cylinder is connected with the first side die; a drain groove mold is arranged at the rear lower part of the support beam positioned at the rear; the rear of the supporting beam at the rear is provided with a second side die advancing wheel frame, a second side die advancing wheel is arranged on the second side die advancing wheel frame, a second side die limiting pinch roller is arranged above the second side die advancing wheel, the second side die advancing wheel is attached to the lower portion of the track body, the second side die limiting pinch roller is pressed on the folded edge of the track body, a second side die hanging frame is arranged below the second side die advancing wheel frame, a second side die hydraulic cylinder is arranged below the second side die hanging frame, and a push rod of the second side die hydraulic cylinder is connected with the second side die.
The second technical problem to be solved by the invention is to provide a method for tunnel construction by using the walking intelligent multifunctional track beam.
In order to solve the problems, the method for constructing the tunnel by using the walking intelligent multifunctional track beam adopts the following technical scheme:
the method comprises the following steps:
first step, paving a track body
The track advancing front wheel of the track body is arranged on the front plane of the excavated inverted arch tunnel, and the track advancing rear wheel of the track body is arranged on a paved road surface behind the inverted arch tunnel;
second step, mounting supporting beam
Pressing a rail pressing wheel of a supporting beam above the folded edge of the rail body, and propping the travelling gear against the lower surface of the rail body;
third, the supporting beam is moved to a set position
The supporting cross beam is moved to a set position through the rotation of the travelling gear and the track pinch roller;
fourth step, the supporting beam is unfolded
The support tube is moved outwards through a telescopic mechanism in the support beam, so that two ends of the support tube are propped against the side wall of the tunnel;
fifth, the corresponding construction trolley is arranged on the corresponding working surface
Moving wheels of the construction trolley along the track body, and arranging the corresponding construction trolley on a corresponding working surface;
sixth step, construction
The construction trolley on each working surface performs respective construction;
seventh, the construction is completed, and the track is moved forwards
After construction is completed, all the construction trolleys are moved backwards to the position above the track body above the track travelling rear wheels, the telescopic mechanism in the supporting beam is retracted, the outer side end part of the supporting tube is separated from the side wall of the tunnel, and the whole track body is moved forwards by rotating the track travelling rear wheels and the track travelling front wheels, so that the track travelling rear wheels reach the rear end of a newly dug inverted arch tunnel;
and eighth step, repeating the fourth step to the seventh step until the completion.
For a walk-on intelligent multi-functional track beam with an inverted arch mold, a method for tunnel construction using the walk-on intelligent multi-functional track beam, the method comprising the steps of:
first step, paving a track body
The track advancing front wheel of the track body is arranged on the front plane of the excavated inverted arch tunnel, and the track advancing rear wheel of the track body is arranged on a paved road surface behind the inverted arch tunnel;
second step, mounting supporting beam
Pressing a rail pressing wheel of a supporting beam above the folded edge of the rail body, and propping the travelling gear against the lower surface of the rail body;
third step, installing end mold, first side mold, second side mold and drain groove mold
An end mould is arranged below the middle supporting beam, a drain groove mould is arranged below the rear supporting beam, a first side mould hanging frame is arranged on a track body behind the middle supporting beam, a first side mould is arranged below the first side mould hanging frame, a second side mould hanging frame is arranged on the track body behind the rear supporting beam, and a second side mould is arranged below the second side mould hanging frame;
fourth, the supporting beam is moved to a set position
The supporting cross beam is moved to a set position through the rotation of the travelling gear and the track pinch roller;
fifth step, the supporting beam is unfolded
The support tube is moved outwards through a telescopic mechanism in the support beam, so that two ends of the support tube are propped against the side wall of the tunnel;
sixth, the corresponding construction trolley is arranged on the corresponding working surface
Moving wheels of the construction trolley along the track body, and arranging the corresponding construction trolley on a corresponding working surface;
seventh, constructing and pouring the inverted arch
The construction trolley on each working surface performs respective construction; when each construction trolley is used for construction, the supporting beam positioned in front moves forwards along with the forward pushing of the excavation surface, a first layer of concrete is poured into a cavity formed by the end mould and the first side mould, and a second layer of concrete is poured into a cavity between the drain mould and the second side mould;
eighth step, stripping
After pouring is completed, lifting the end mould and the first side mould upwards through an end mould hydraulic cylinder and a first side mould hydraulic cylinder, lifting the second side mould through a second side mould hydraulic cylinder, retracting a supporting pipe on a supporting beam positioned in the middle and a supporting beam positioned at the back when the lifting height is reached, leaving the end part of the supporting pipe from the tunnel wall, and driving the middle supporting beam, the back supporting beam, the end mould, the first side mould, the second side mould and the drainage ditch mould to move forwards for a certain distance through a travelling gear and a track pinch roller, a first side mould travelling wheel, a first side mould limiting pinch roller, a second side mould travelling wheel and a second side mould limiting pinch roller;
ninth step, the construction is completed, and the track is moved forwards
After construction is completed, all the construction trolleys are moved backwards to the position above the track body above the track travelling rear wheels, the telescopic mechanism in the supporting beam is retracted, the outer side end part of the supporting tube is separated from the side wall of the tunnel, and the whole track body is moved forwards by rotating the track travelling rear wheels and the track travelling front wheels, so that the track travelling rear wheels reach the rear end of a newly dug inverted arch tunnel;
and a tenth step, repeating the fifth step to the ninth step until the completion.
Compared with the prior art, the walking intelligent multifunctional track beam provided by the invention has the following advantages: the track body is in a shape like a Chinese character 'ji' or is L-shaped, a track advancing rear wheel is arranged below the rear part of the track body, a track advancing front wheel is arranged below the front part of the track body, at least three supporting beams are arranged below the track body behind the track advancing front wheel, each supporting beam comprises a beam body with an inner cavity, a telescopic mechanism is arranged in the middle of the inner cavity of the beam body, supporting pipes are arranged at two ends of each telescopic mechanism, the outer ends of the supporting pipes extend out of the beam body, and beam advancing mechanisms are arranged at two ends close to the beam body; the beam body advancing mechanism comprises a fixing frame fixed with the beam body, an advancing gear is arranged on the fixing frame, a track pinch roller is arranged above the advancing gear, the advancing gear and the track pinch roller are in power connection with the power mechanism, the advancing gear is attached to the lower portion of the track body, the track pinch roller is pressed above the folded edge of the track body, a track advancing front wheel of the track body is arranged on a front plane of an excavated inverted arch tunnel, and a track advancing rear wheel of the track body is arranged on a paved road surface behind the inverted arch tunnel during construction; pressing a rail pressing wheel of a supporting beam above the folded edge of the rail body, and propping the travelling gear against the lower surface of the rail body; the supporting cross beam is moved to a set position through the rotation of the travelling gear and the track pinch roller; the support tube is moved outwards through a telescopic mechanism in the support beam, so that two ends of the support tube are propped against the side wall of the tunnel; moving wheels of the construction trolley along the track body, and arranging the corresponding construction trolley on a corresponding working surface; the construction trolley on each working surface performs respective construction; after construction is completed, all the construction trolleys are moved backwards to the position above the track body above the track travelling rear wheels, the telescopic mechanism in the supporting beam is retracted, the outer side end part of the supporting tube is separated from the side wall of the tunnel, and the whole track body is moved forwards by rotating the track travelling rear wheels and the track travelling front wheels, so that the track travelling rear wheels reach the rear end of a newly dug inverted arch tunnel; the steps are repeated until the construction is completed, and when the front excavation and inverted arch pouring are carried out, the construction of a steel frame, the anchor rod pouring, the waterproof non-woven fabric laying or the waterproof coating spraying and the like can be completed, and various constructions can be carried out simultaneously on different action surfaces, so that the construction period is greatly shortened; secondly, as the supporting legs are arranged at the outer ends of the supporting tubes, the contact area between the supporting tubes and the tunnel wall is enlarged, the tunnel wall is prevented from being damaged due to overlarge pressure, the friction force between the supporting legs and the tunnel wall is increased, and the stability is better; thirdly, as the supporting legs are arc-shaped, acting force between the supporting legs and the tunnel wall is increased, and stability is further improved; fourthly, as the telescopic mechanism comprises the fixed seat positioned at the middle position, hydraulic cylinders are arranged at two ends of the fixed seat, and ejector rods of the hydraulic cylinders are connected with the supporting pipes, the acting force between the supporting pipes and the tunnel wall is basically equal, and the telescopic mechanism is convenient to process; fifthly, the beam body comprises two beam-splitting bodies and a connecting mechanism positioned between the two beam-splitting bodies, so that the weight is reduced, and the storage, the transportation and the installation are convenient; sixthly, as the through holes are formed in the side face of the beam body, the compressive strength of the beam body is improved, the weight of the beam body is reduced, materials are saved, and the cost is reduced; seventhly, an end die hydraulic cylinder is arranged below the middle supporting beam, and a push rod of the end die hydraulic cylinder is fixedly connected with the end die; a first side die travelling wheel frame is arranged behind the middle supporting beam, a first side die travelling wheel is arranged on the first side die travelling wheel frame, a first side die limiting pinch roller is arranged above the first side die travelling wheel, the first side die travelling wheel is attached below the track body, the first side die limiting pinch roller is pressed above the folded edge of the track body, a first side die hanging frame is arranged below the first side die travelling wheel frame, a first side die hydraulic cylinder is arranged below the first side die hanging frame, and a push rod of the first side die hydraulic cylinder is connected with the first side die; a drain groove mold is arranged at the rear lower part of the support beam positioned at the rear; a second side die travelling wheel frame is arranged behind the rear supporting cross beam, a second side die travelling wheel is arranged on the second side die travelling wheel frame, a second side die limiting pinch roller is arranged above the second side die travelling wheel, the second side die travelling wheel is attached below the track body, the second side die limiting pinch roller is pressed on the folded edge of the track body, a second side die hanging frame is arranged below the second side die travelling wheel frame, a second side die hydraulic cylinder is arranged below the second side die hanging frame, and a push rod of the second side die hydraulic cylinder is connected with the second side die, and construction trolleys on all working surfaces perform respective construction; when each construction trolley is used for construction, the supporting beam positioned in front moves forwards along with the forward pushing of the excavation surface, a first layer of concrete is poured into a cavity formed by the end mould and the first side mould, and a second layer of concrete is poured into a cavity between the drain mould and the second side mould; after pouring is completed, lifting the end mould and the first side mould upwards through an end mould hydraulic cylinder and a first side mould hydraulic cylinder, lifting the second side mould through a second side mould hydraulic cylinder, retracting a supporting pipe on a supporting beam positioned in the middle and a supporting beam positioned at the back when the lifting height is reached, leaving the end part of the supporting pipe from the tunnel wall, and driving the middle supporting beam, the back supporting beam, the end mould, the first side mould, the second side mould and the drainage ditch mould to move forwards for a certain distance through a travelling gear and a track pinch roller, a first side mould travelling wheel, a first side mould limiting pinch roller, a second side mould travelling wheel and a second side mould limiting pinch roller; after the construction is completed, all the construction trolleys move backwards to the position above the track body above the track traveling rear wheel, the telescopic mechanism in the supporting beam is retracted, the outer side end part of the supporting tube is separated from the side wall of the tunnel, the track traveling rear wheel and the track traveling front wheel are rotated, the whole track body is moved forwards, the track traveling rear wheel reaches the rear end of a newly dug inverted arch tunnel, and the end mould, the first side mould, the second side mould and the drain ditch mould move forwards along with the track body, so that the installation, the drawing and the adjustment of the mould are convenient, and the use is more convenient.
Drawings
FIG. 1 is a schematic diagram of a walking intelligent multifunctional track beam;
FIG. 2 is a schematic view of the structure of a support beam;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of a walking intelligent multi-functional track beam with an inverted arch mold;
FIG. 5 is a schematic view of a support beam with end and first side dies;
FIG. 6 is an enlarged view of FIG. 5 at B;
FIG. 7 is an enlarged view of FIG. 5 at C;
FIG. 8 is an enlarged view of FIG. 4 at D;
fig. 9 is a schematic view of the structure when the track is moved after construction.
Detailed Description
The structure and the use principle of the walking intelligent multifunctional track beam and the method for constructing a tunnel by using the track beam are further described in detail below with reference to the accompanying drawings and the specific embodiments.
As shown in fig. 1, the walking intelligent multifunctional track beam comprises a track body 1, wherein the cross section of the track body 1 is in a shape like a Chinese character 'ji' or 'L' with a folded edge 15, a track traveling rear wheel 2 is arranged below the rear part of the track body 1, a track traveling front wheel 3 is arranged below the front part of the track body 1, at least three supporting beams 4 are arranged below the track body 1 behind the track traveling front wheel 3, the supporting beams 4 are structured as shown in fig. 2 and 3, each supporting beam 4 comprises a beam body 6 with an inner cavity 5, a telescopic mechanism 7 is arranged in the middle position of the inner cavity 5 of the beam body 6, supporting pipes 8 are arranged at two ends of each telescopic mechanism 7, the outer ends of each supporting pipe 8 extend out of the beam body 6, and beam body traveling mechanisms 10 are arranged at two ends close to the beam body 6; the beam body advancing mechanism 10 comprises a fixing frame 11 fixed with the beam body 6, an advancing gear 12 is arranged on the fixing frame 11, a track pinch roller 13 is arranged above the advancing gear 12, the advancing gear 12 and the track pinch roller 13 are in power connection with a power mechanism 14, the advancing gear 12 is attached to the lower portion of the track body 1, the track pinch roller 13 is pressed on the upper portion of a folded edge 15 of the track body 1, and the track advancing front wheel 3 of the track body 1 is arranged on the front plane of an inverted arch tunnel excavated.
When in construction, the track traveling rear wheels 2 of the track body 1 are placed on a paved road surface behind an inverted arch tunnel; pressing a rail pinch roller 13 of the supporting beam above a folded edge 15 of the rail body 1, and propping a travelling gear 12 against the lower surface of the rail body 1; the supporting beam 4 is moved to a set position by the rotation of the travelling gear 12 and the track pinch roller 13; the supporting tube 8 is moved outwards through the telescopic mechanism 7 in the supporting beam 4, so that two ends of the supporting tube 8 are propped against the side wall of the tunnel; as shown in fig. 9, the wheels of the construction trolley 16 are moved along the track body 1, and the respective construction trolley 16 is arranged on the respective work surface; the construction trolley on each working surface performs respective construction; after the construction is completed, all the construction trolleys 16 are moved backwards to the position above the track body 1 above the track travelling rear wheels 2, the telescopic mechanism 7 in the supporting beam 4 is retracted, the outer end part of the supporting tube 8 leaves the side wall of the tunnel, and the whole track body 1 is moved forwards by rotating the track travelling rear wheels 2 and the track travelling front wheels 3, so that the track travelling rear wheels 2 reach the rear end of the newly dug inverted arch tunnel; the steps are repeated until the construction is completed, and when the front excavation and inverted arch pouring are carried out, the construction of a steel frame, the anchor rod pouring, the waterproof non-woven fabric laying or the waterproof coating spraying can be completed, and various constructions can be carried out on different action surfaces simultaneously, so that the construction period is greatly shortened.
As shown in fig. 2 and 3, the supporting legs 17 are arranged at the outer ends of the supporting tubes 8, so that the contact area between the supporting tubes and the tunnel wall is enlarged, the tunnel wall is prevented from being damaged due to overlarge pressure, the friction force between the supporting legs 17 and the tunnel wall is increased, and the stability is better.
The outer side of the supporting leg 17 is arc-shaped, so that acting force between the supporting leg and the tunnel wall is increased, and stability is further improved.
As shown in fig. 3, the telescopic mechanism 7 comprises a fixed seat 18 positioned at the middle position, hydraulic cylinders 19 are arranged at two ends of the fixed seat 18, and ejector rods 20 of the hydraulic cylinders 19 are connected with the supporting tube 8, so that acting forces between the supporting tube 8 and the tunnel wall are basically equal, and the telescopic mechanism is convenient to process.
The beam body 6 comprises two beam-dividing bodies 21 and a connecting mechanism 22 positioned between the two beam-dividing bodies, so that the weight is reduced, and the storage, the transportation and the installation are convenient.
The through holes 23 are formed in the side face of the beam body 6, so that the compressive strength of the beam body is improved, the weight of the beam body is reduced, materials are saved, and the cost is reduced.
As shown in fig. 4, 5, 6, 7 and 8, an end die hydraulic cylinder 24 is arranged below the middle supporting beam 4, and a push rod 25 of the end die hydraulic cylinder 24 is fixedly connected with an end die 26; a first side die travelling wheel frame 27 is arranged behind the middle supporting beam 4, a first side die travelling wheel 28 is arranged on the first side die travelling wheel frame 27, a first side die limiting pinch roller 29 is arranged above the first side die travelling wheel 28, the first side die travelling wheel 28 is attached below the track body 1, the first side die limiting pinch roller 29 is pressed above the folded edge 15 of the track body 1, a first side die hanging frame 30 is arranged below the first side die travelling wheel frame 27, a first side die hydraulic cylinder 31 is arranged below the first side die hanging frame 30, and a push rod 32 of the first side die hydraulic cylinder 31 is connected with the first side die 33; a drain mold 34 is provided at the rear lower side of the support beam 4 located at the rear; as shown in fig. 8, a second side mold traveling wheel frame 35 is provided behind the support beam 4 located at the rear, a second side mold traveling wheel 36 is provided on the second side mold traveling wheel frame 35, a second side mold limiting pinch roller 37 is provided above the second side mold traveling wheel 36, the second side mold traveling wheel 36 is attached to the lower side of the rail body 1, and the second side mold limiting pinch roller 37 is pressed on the folded edge 15 of the rail body 1. A second side mold hanger 38 is arranged below the second side mold traveling wheel frame 35, a second side mold hydraulic cylinder 39 is arranged below the second side mold hanger 38, a top rod 40 of the second side mold hydraulic cylinder 39 is connected with a second side mold 41, and construction trolleys on each working surface perform respective construction; while each construction trolley is constructed, the supporting beam positioned at the front moves forwards along with the forward pushing of the excavation surface, a first layer of concrete is poured into a cavity enclosed by the end mould 26 and the first side mould 33, and a second layer of concrete is poured into a cavity between the drain mould 34 and the second side mould 41; after pouring is completed, the end mould 26 and the first side mould 33 are lifted upwards through the end mould hydraulic cylinder 24 and the first side mould hydraulic cylinder 31, the second side mould 41 is lifted through the second side mould hydraulic cylinder 39, when the lifting height is reached, the supporting beams positioned in the middle and the supporting tubes 8 positioned on the supporting beams positioned at the back are retracted, the end parts of the supporting tubes 8 leave the tunnel wall, and the traveling gear 12 and the track pinch roller 13, the first side mould traveling wheel 28 and the first side mould limiting pinch roller 29, and the second side mould traveling wheel 36 and the second side mould limiting pinch roller 37 drive the middle supporting beams, the supporting beams positioned at the back, the end mould 26, the first side mould 33, the second side mould 41 and the drain ditch mould 34 to move forwards for a certain distance; after construction is completed, all the construction trolleys are moved backwards to be above the track body above the track travelling rear wheels, the telescopic mechanism 7 in the supporting beam 4 is retracted, the outer end part of the supporting tube 8 is separated from the side wall of the tunnel, and the whole track body 1 is moved forwards by rotating the track travelling rear wheels 2 and the track travelling front wheels 3, so that the track travelling rear wheels 2 reach the rear end of a newly dug inverted arch tunnel; the end mold 26, the first side mold 33, the second side mold 41 and the drain groove mold 34 move forward along with the rail body, so that the mold is convenient to install, lift and adjust, and the use is more convenient.
The method for tunnel construction by using the walking intelligent multifunctional track beam,
the method comprises the following steps:
first step, paving a track body
The track advancing front wheel 3 of the track body 1 is arranged on the front plane of the excavated inverted arch tunnel, and the track advancing rear wheel 2 of the track body is arranged on a paved road surface behind the inverted arch tunnel;
second step, mounting supporting beam
Pressing a rail pinch roller 13 of the supporting beam 4 above a folded edge 15 of the rail body 1, and propping a travelling gear 12 against the lower surface of the rail body 1;
third, the supporting beam is moved to a set position
The supporting beam 4 is moved to a set position by the rotation of the travelling gear 12 and the track pinch roller 13;
fourth step, the supporting beam is unfolded
The supporting tube 8 is moved outwards through the telescopic mechanism 7 in the supporting beam 4, so that two ends of the supporting tube 8 are propped against the side wall of the tunnel;
fifth, the corresponding construction trolley is arranged on the corresponding working surface
Moving the wheels of the construction trolley 16 along the track body 1, disposing the respective construction trolley 16 on the respective work surface;
sixth step, construction
The construction trolley 16 on each working surface performs respective construction;
seventh, the construction is completed, and the track is moved forwards
After the construction is completed, all the construction trolleys 16 are moved backwards to the position above the track body 1 above the track travelling rear wheels 2, the telescopic mechanism 7 in the supporting beam 4 is retracted, the outer end part of the supporting tube 8 leaves the side wall of the tunnel, and the whole track body 1 is moved forwards by rotating the track travelling rear wheels 2 and the track travelling front wheels 3, so that the track travelling rear wheels reach the rear end of a newly dug inverted arch tunnel;
and eighth step, repeating the fourth step to the seventh step until the completion.
For a walk-on intelligent multi-functional track beam with an inverted arch mold, a method for tunnel construction using the walk-on intelligent multi-functional track beam, the method comprising the steps of:
first step, paving a track body
The track advancing front wheel 3 of the track body 1 is arranged on the front plane of the excavated inverted arch tunnel, and the track advancing rear wheel 2 of the track body is arranged on a paved road surface behind the inverted arch tunnel;
second step, mounting supporting beam
Pressing a rail pinch roller 13 of the supporting beam 4 above a folded edge 15 of the rail body 1, and propping a travelling gear 12 against the lower surface of the rail body 1;
third step, installing end mold, first side mold, second side mold and drain groove mold
An end die 26 is arranged below the middle supporting beam, a drain groove die 34 is arranged below the rear supporting beam, a first side die hanging bracket 30 is arranged on the track body 1 behind the middle supporting beam 4, a first side die 33 is arranged below the first side die hanging bracket 30, a second side die hanging bracket 38 is arranged on the track body 1 behind the rear supporting beam, and a second side die 41 is arranged below the second side die hanging bracket 38;
fourth, the supporting beam is moved to a set position
The supporting beam 4 is moved to a set position by the rotation of the travelling gear 12 and the track pinch roller 13;
fifth step, the supporting beam is unfolded
The supporting tube 8 is moved outwards through the telescopic mechanism 7 in the supporting beam 4, so that two ends of the supporting tube 8 are propped against the side wall of the tunnel;
sixth, the corresponding construction trolley is arranged on the corresponding working surface
Moving the wheels of the construction trolley 16 along the track body 1, disposing the respective construction trolley 16 on the respective work surface;
seventh, constructing and pouring the inverted arch
The construction trolley on each working surface performs respective construction; while each construction trolley is constructed, the supporting beam positioned at the front moves forwards along with the forward pushing of the excavation surface, a first layer of concrete is poured into a cavity enclosed by the end mould 26 and the first side mould 33, and a second layer of concrete is poured into a cavity between the drain mould 34 and the second side mould 41;
eighth step, stripping
After pouring is completed, the end mould 26 and the first side mould 33 are lifted upwards through the end mould hydraulic cylinder 24 and the first side mould hydraulic cylinder 31, the second side mould 41 is lifted through the second side mould hydraulic cylinder 39, when the lifting height is reached, the supporting beams positioned in the middle and the supporting pipes 8 positioned on the supporting beams positioned at the back are retracted, the end parts of the supporting pipes 8 leave the tunnel wall, and the traveling gear 12, the track pinch roller 13, the first side mould traveling wheel 28, the first side mould limiting pinch roller 29, the second side mould traveling wheel 36 and the second side mould limiting pinch roller 37 drive the middle supporting beam 4, the supporting beams 4 at the back, the end mould 26, the first side mould 33, the second side mould 41 and the drain ditch mould 34 to move forwards for a certain distance;
ninth step, the construction is completed, and the track is moved forwards
After the construction is completed, all the construction trolleys 16 are moved backwards to the position above the track body 1 above the track travelling rear wheels 2, the telescopic mechanism 7 in the supporting beam 4 is retracted, the outer end part of the supporting tube 8 leaves the side wall of the tunnel, and the whole track body 1 is moved forwards by rotating the track travelling rear wheels 2 and the track travelling front wheels 3, so that the track travelling rear wheels reach the rear end of a newly dug inverted arch tunnel;
and a tenth step, repeating the fifth step to the ninth step until the completion.
The protection scope of the present invention is not limited to the above embodiments, and falls within the protection scope of the present invention as long as the structure is the same as or similar to the structure of the walking type intelligent multifunctional track beam of the present invention, and the same as or similar to the method of tunnel construction using the walking type intelligent multifunctional track beam.
Claims (9)
1. Walk multi-functional track roof beam of formula intelligence, its characterized in that: the folding type track comprises a track body, wherein the cross section of the track body is in a shape like a Chinese character 'ji' or 'L' with folded edges, a track advancing rear wheel is arranged below the rear part of the track body, a track advancing front wheel is arranged below the front part of the track body, at least three supporting beams are arranged below the track body behind the track advancing front wheel, each supporting beam comprises a beam body with an inner cavity, a telescopic mechanism is arranged in the middle position of the inner cavity of the beam body, supporting pipes are arranged at the two ends of each telescopic mechanism, the outer ends of the supporting pipes extend out of the beam body, and beam advancing mechanisms are arranged at the two ends close to the beam body; the beam body advancing mechanism comprises a fixing frame fixed with the beam body, an advancing gear is arranged on the fixing frame, a track pinch roller is arranged above the advancing gear, the advancing gear and the track pinch roller are in power connection with the power mechanism, the advancing gear is attached to the lower portion of the track body, and the track pinch roller is pressed above the folded edge of the track body.
2. The walking intelligent multi-function rail beam of claim 1, wherein: and supporting feet are arranged at the outer ends of the supporting tubes.
3. The walking intelligent multi-function rail beam of claim 2, wherein: the supporting legs are arc-shaped.
4. The walking intelligent multi-function rail beam of claim 1, wherein: the telescopic mechanism comprises a fixed seat positioned at the middle position, hydraulic cylinders are arranged at two ends of the fixed seat, and ejector rods of the hydraulic cylinders are connected with the supporting tubes.
5. The walking intelligent multi-functional track beam of claim 4, wherein: the beam body comprises two beam splitting bodies and a connecting mechanism positioned between the two beam splitting bodies.
6. The walking intelligent multi-function rail beam of claim 1, wherein: and a through hole is formed in the side face of the beam body.
7. The walking intelligent multi-function rail beam of claim 1, wherein: an end die hydraulic cylinder is arranged below the middle supporting beam, and a push rod of the end die hydraulic cylinder is fixedly connected with the end die; a first side die travelling wheel frame is arranged behind the middle supporting beam, a first side die travelling wheel is arranged on the first side die travelling wheel frame, a first side die limiting pinch roller is arranged above the first side die travelling wheel, the first side die travelling wheel is attached below the track body, the first side die limiting pinch roller is pressed above the folded edge of the track body, a first side die hanging frame is arranged below the first side die travelling wheel frame, a first side die hydraulic cylinder is arranged below the first side die hanging frame, and a push rod of the first side die hydraulic cylinder is connected with the first side die;
a drain groove mold is arranged at the rear lower part of the support beam positioned at the rear; the rear of the supporting beam at the rear is provided with a second side die advancing wheel frame, a second side die advancing wheel is arranged on the second side die advancing wheel frame, a second side die limiting pinch roller is arranged above the second side die advancing wheel, the second side die advancing wheel is attached to the lower portion of the track body, the second side die limiting pinch roller is pressed on the folded edge of the track body, a second side die hanging frame is arranged below the second side die advancing wheel frame, a second side die hydraulic cylinder is arranged below the second side die hanging frame, and a push rod of the second side die hydraulic cylinder is connected with the second side die.
8. A method of tunnel construction using the walk intelligent multi-function track beam of claim 1, 2, 3, 4, 5, 6 or 7, the method comprising the steps of:
first step, paving a track body
The track advancing front wheel of the track body is arranged on the front plane of the excavated inverted arch tunnel, and the track advancing rear wheel of the track body is arranged on a paved road surface behind the inverted arch tunnel;
second step, mounting supporting beam
Pressing a rail pressing wheel of a supporting beam above the folded edge of the rail body, and propping the travelling gear against the lower surface of the rail body;
third, the supporting beam is moved to a set position
The supporting cross beam is moved to a set position through the rotation of the travelling gear and the track pinch roller;
fourth step, the supporting beam is unfolded
The support tube is moved outwards through a telescopic mechanism in the support beam, so that two ends of the support tube are propped against the side wall of the tunnel;
fifth, the corresponding construction trolley is arranged on the corresponding working surface
Moving wheels of the construction trolley along the track body, and arranging the corresponding construction trolley on a corresponding working surface;
sixth step, construction
The construction trolley on each working surface performs respective construction;
seventh, the construction is completed, and the track is moved forwards
After construction is completed, all the construction trolleys are moved backwards to the position above the track body above the track travelling rear wheels, the telescopic mechanism in the supporting beam is retracted, the outer side end part of the supporting tube is separated from the side wall of the tunnel, and the whole track body is moved forwards by rotating the track travelling rear wheels and the track travelling front wheels, so that the track travelling rear wheels reach the rear end of a newly dug inverted arch tunnel;
and eighth step, repeating the fourth step to the seventh step until the completion.
9. A method of tunnel construction using the walk intelligent multi-function track beam of claim 7, the method comprising the steps of:
first step, paving a track body
The track advancing front wheel of the track body is arranged on the front plane of the excavated inverted arch tunnel, and the track advancing rear wheel of the track body is arranged on a paved road surface behind the inverted arch tunnel;
second step, mounting supporting beam
Pressing a rail pressing wheel of a supporting beam above the folded edge of the rail body, and propping the travelling gear against the lower surface of the rail body;
third step, installing end mold, first side mold, second side mold and drain groove mold
An end mould is arranged below the middle supporting beam, a drain groove mould is arranged below the rear supporting beam, a first side mould hanging frame is arranged on a track body behind the middle supporting beam, a first side mould is arranged below the first side mould hanging frame, a second side mould hanging frame is arranged on the track body behind the rear supporting beam, and a second side mould is arranged below the second side mould hanging frame;
fourth, the supporting beam is moved to a set position
The supporting cross beam is moved to a set position through the rotation of the travelling gear and the track pinch roller;
fifth step, the supporting beam is unfolded
The support tube is moved outwards through a telescopic mechanism in the support beam, so that two ends of the support tube are propped against the side wall of the tunnel;
sixth, the corresponding construction trolley is arranged on the corresponding working surface
Moving wheels of the construction trolley along the track body, and arranging the corresponding construction trolley on a corresponding working surface;
seventh, constructing and pouring the inverted arch
The construction trolley on each working surface performs respective construction; when each construction trolley is used for construction, the supporting beam positioned in front moves forwards along with the forward pushing of the excavation surface, a first layer of concrete is poured into a cavity formed by the end mould and the first side mould, and a second layer of concrete is poured into a cavity between the drain mould and the second side mould;
eighth step, stripping
After pouring is completed, lifting the end mould and the first side mould upwards through an end mould hydraulic cylinder and a first side mould hydraulic cylinder, lifting the second side mould through a second side mould hydraulic cylinder, retracting a supporting pipe on a supporting beam positioned in the middle and a supporting beam positioned at the back when the lifting height is reached, leaving the end part of the supporting pipe from the tunnel wall, and driving the middle supporting beam, the back supporting beam, the end mould, the first side mould, the second side mould and the drainage ditch mould to move forwards for a certain distance through a travelling gear and a track pinch roller, a first side mould travelling wheel, a first side mould limiting pinch roller, a second side mould travelling wheel and a second side mould limiting pinch roller;
ninth step, the construction is completed, and the track is moved forwards
After construction is completed, all the construction trolleys are moved backwards to the position above the track body above the track travelling rear wheels, the telescopic mechanism in the supporting beam is retracted, the outer side end part of the supporting tube is separated from the side wall of the tunnel, and the whole track body is moved forwards by rotating the track travelling rear wheels and the track travelling front wheels, so that the track travelling rear wheels reach the rear end of a newly dug inverted arch tunnel;
and a tenth step, repeating the fifth step to the ninth step until the completion.
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| CN201811592776.1A CN109518550B (en) | 2018-12-20 | 2018-12-20 | Walking intelligent multifunctional track beam and method for carrying out tunnel construction by using same |
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| CN201811592776.1A CN109518550B (en) | 2018-12-20 | 2018-12-20 | Walking intelligent multifunctional track beam and method for carrying out tunnel construction by using same |
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| CN109518550B true CN109518550B (en) | 2023-11-17 |
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| CN209323277U (en) * | 2018-12-20 | 2019-08-30 | 河北创恒智能装备科技有限公司 | Walking type intelligent multifunctional track girder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0258700A (en) * | 1988-08-25 | 1990-02-27 | Gifu Kogyo Kk | Moving mechanism of movable form for covering works |
| JP2010007245A (en) * | 2008-06-24 | 2010-01-14 | Kajima Corp | Railroad girder movement and installation equipment, railroad girder movement and installation method, and railroad girder removal method |
| CN103046477A (en) * | 2012-12-31 | 2013-04-17 | 中铁十局集团第二工程有限公司 | Traveling-rail-free type triangular hanging basket traveling construction method |
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