CN211079881U - Large-span full hydraulic tire walking type tunnel inverted arch trestle - Google Patents
Large-span full hydraulic tire walking type tunnel inverted arch trestle Download PDFInfo
- Publication number
- CN211079881U CN211079881U CN201921544433.8U CN201921544433U CN211079881U CN 211079881 U CN211079881 U CN 211079881U CN 201921544433 U CN201921544433 U CN 201921544433U CN 211079881 U CN211079881 U CN 211079881U
- Authority
- CN
- China
- Prior art keywords
- walking
- bridge
- main bridge
- leg
- main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model belongs to the technical field of tunnel invert construction equipment. A large-span all-hydraulic tire walking tunnel inverted arch trestle comprises a main bridge, a front slope bridge, a rear walking mechanism and a walking trolley, wherein a supporting leg is arranged at the bottom of the main bridge, and the front slope bridge is arranged at the front end of the main bridge; the rear slope bridge is arranged at the rear end of the main bridge; the rear travelling mechanism is arranged at the rear end of the main bridge and drives the main bridge to act; the lower part of the walking trolley is provided with a walking supporting leg, and the walking trolley and the main bridge can move relatively. The utility model provides a problem, the landing stage of inverted arch construction and the interference of the work of working through traffic of face do not cross the problem of no inverted arch section by oneself to and the difficult problem of excavation under the front slope bridge. The utility model discloses can all have very strong adaptability in step method excavation, full section excavation, and simple structure, scene assemble the convenience, can realize 24m effective invert construction interval, improved tunnel construction's efficiency.
Description
Technical Field
The utility model belongs to the technical field of tunnel invert construction equipment, concretely relates to full-hydraulic tire walking tunnel invert landing stage of large-span.
Background
The tunnel inverted arch trestle is a device for solving the problem of vehicle passing interference between inverted arch construction and tunnel face construction, and can accelerate construction progress. The existing inverted arch trestle has more problems, the trestle with the span of 12m is more in application, the construction of an inverted arch template with the span of 12m can be met only once in the construction, the next cycle construction can be carried out after concrete is solidified, and the construction progress is influenced; the front slope bridge has a small overturning angle, so that full-section excavation is difficult to meet and bench method excavation is also met; the front and rear height difference of the trestle is large, and when the trestle is suitable for an inverted arch section, the trestle cannot conveniently pass through the inverted arch section; therefore, the large-span full hydraulic tire walking tunnel inverted arch trestle with strong universality and high automation degree is provided.
Disclosure of Invention
The utility model discloses the purpose is to the problem that above-mentioned exists and not enough, provides a full hydraulic tire walking tunnel invert trestle and construction method of large-span, and it has excavation strong adaptability, and overall structure is on-the-spot to be assembled, and has sufficient construction space, optimizes tunnel invert construction technology.
In order to realize the purpose, the adopted technical scheme is as follows:
the utility model provides a full hydraulic pressure tire walking tunnel invert landing stage of large-span, includes:
the bottom of the main bridge is provided with a supporting leg;
a front slope bridge disposed at a front end of the main bridge;
a rear slope bridge provided at a rear end of the main bridge;
the rear travelling mechanism is arranged at the rear end of the main bridge and drives the main bridge to act; and
the lower part of the walking trolley is provided with a walking support leg, and the walking trolley and the main bridge can move relatively;
when the rear walking mechanism drives the main bridge to move forward, the walking trolley supports the ground, and the front end of the main bridge is supported on the walking trolley and moves forward relative to the walking trolley.
According to the utility model discloses full-hydraulic tire walking tunnel invert landing stage of large-span, preferably, back running gear includes:
a walking support seat;
the walking wheel is arranged on the walking support seat; and
and the walking driving part drives the walking wheels to move and drives the main bridge to move.
The travelling wheels are solid rubber tires; the walking driving part is a hydraulic motor, and the walking driving part and the walking wheels are in gear transmission through matching and meshing.
According to the utility model discloses full-hydraulic tire walking tunnel invert landing stage of large-span, preferably, walking supporting seat top is provided with the lift pedestal, be provided with between walking supporting seat and the lift pedestal and match the interior sleeve pipe of going up and down and go up and down the outer tube that cup joints, just be in going up and down the interior sleeve pipe with be provided with first hydro-cylinder between the lift outer tube.
According to the large-span all-hydraulic tire walking tunnel inverted arch trestle of the utility model, preferably, the support legs comprise a front support leg component and a rear support leg component which are respectively arranged at the front end and the rear end of the main bridge;
the front support leg assembly includes:
the two first leg outer sleeves are correspondingly arranged on the left side and the right side of the main bridge, a cross support beam is arranged between the two first leg outer sleeves, the main bridge is arranged on the cross support beam in a matching sliding manner, and a cable-stayed lead screw is arranged between the lower parts of the two ends of the cross support beam and each first leg outer sleeve;
the first leg inner sleeve is sleeved in the first leg outer sleeve in a sliding manner, and the bottom of the first leg inner sleeve is provided with a heightened leg;
the second oil cylinder drives the first leg outer sleeve and the first leg inner sleeve to slide relatively; and
the third oil cylinder is arranged between the cross support beam and the main axle and drives the main axle and the cross support beam to move relatively;
the rear support leg assembly includes:
the sliding seat is arranged at the bottom of the main bridge;
the sliding seat is arranged on the transverse moving base in a sliding manner; and
and the fourth oil cylinder is arranged between the sliding seat and the transverse moving base and drives the sliding seat and the transverse moving base to move relatively.
According to the utility model discloses full-hydraulic tire walking type tunnel invert landing stage of large-span, preferably, the walking dolly includes:
the main bridge is supported and arranged on the trolley body; and
the walking support legs are arranged at each end corner of the trolley body and are lifting support legs; and
and the walking assembly drives the trolley body to reciprocate back and forth on the main bridge.
According to the large-span all-hydraulic tire walking tunnel inverted arch trestle of the utility model, preferably, the trolley body is provided with a main axle bearing rail travelling wheel, and the main axle is matched, attached and rolled and supported on the main axle bearing rail travelling wheel;
the walking leg includes:
a second leg outer sleeve;
the second support leg inner sleeve is arranged in the second support leg outer sleeve in a sliding mode, and a heightening support leg is arranged at the bottom of the second support leg inner sleeve; and
the fifth oil cylinder drives the second supporting leg outer sleeve and the second supporting leg inner sleeve to slide relatively;
the trolley body is fixedly arranged among the second supporting leg outer sleeves, side retaining wheels are further arranged on the second supporting leg outer sleeves, and the side part of the main axle is rolled and supported among the side retaining wheels; the walking assembly is arranged at the top of the walking support leg and comprises a trolley walking rail walking wheel, a hydraulic motor and a main driving chain wheel, and a walking track corresponding to the trolley walking rail walking wheel and a bent plate chain corresponding to the main driving chain wheel are arranged at the top of the main bridge; and a heightening seat is arranged between the bent plate chain and the main bridge.
According to the utility model discloses full-hydraulic tire walking tunnel invert landing stage of large-span, preferably, the main bridge includes at least:
the front slope bridge is hinged to the end of the first section, a sixth oil cylinder is arranged between the front slope bridge and the first section, and the sixth oil cylinder controls the overturning action of the front slope bridge;
the rear slope bridge is hinged to the end of the second section, a seventh oil cylinder is arranged between the rear slope bridge and the second section, and the seventh oil cylinder controls the overturning action of the rear slope bridge; and
a third section disposed between the first section and the second section.
According to the utility model discloses full-hydraulic tire walking tunnel invert trestle of large-span, preferably, first district section, second district section and third district section all include:
box girders symmetrically arranged at left and right sides; and
the cross beam is arranged between the two box girders, a walkway is arranged on the cross beam, and a bracket corresponding to the cross beam is arranged at the lower part of each box girder;
the box girder and the cross beam as well as the cross beam and the walkway are fixed through bolting; and the first section and the third section, and the second section and the third section are bolted through the correspondingly arranged box girder internal butt flange and the external supplementary connecting flange.
The hydraulic electric system comprises a first hydraulic electric control assembly and a second hydraulic electric control assembly, and the first hydraulic electric control assembly is arranged in a box girder at one end of the main bridge; the second hydraulic electric control component is arranged on the walking trolley and controls the walking trolley to act.
By adopting the technical scheme, the beneficial effects are as follows:
the utility model provides a problem, the landing stage of inverted arch construction and the interference of the work of working through traffic of face do not cross the problem of no inverted arch section by oneself to and the difficult problem of excavation under the front slope bridge. The utility model discloses can all have very strong adaptability in step method excavation, full section excavation, and simple structure, scene assemble the convenience, can realize 24m effective invert construction interval, improved tunnel construction's efficiency.
The rear travelling mechanism is arranged, the poured inverted arch can be prevented from being crushed through the arrangement of the solid rubber tires, the hydraulic motor and the gear are adopted for transmission, the torque can be increased, the travelling speed is controlled to be 3-10m/min, the travelling stability is guaranteed, the travelling wheels support the ground or are separated from the ground in different stages, the switching of modes is further guaranteed, and the functions of the trestle are further perfected and developed.
The main bridge adopts a multi-section structure, so that the transportation, the transportation and the field assembly are convenient, and the main bridge can be combined according to different requirements to form a short trestle or a long trestle; the concrete structure of main bridge adopts the integrated form of box girder and crossbeam in this application, lay the pavement through the bolt on the crossbeam, and improve the whole atress condition of main bridge through setting up the bracket, the stability of main bridge structure has been ensured, wherein one end at the box girder sets up the pump station, electrical system, can avoid taking place to interfere with other walking equipment, preceding supporting leg subassembly and the back supporting leg subassembly in the main bridge bottom can improve its stability, and can be adapted to the big condition of landing stage front and back discrepancy through the setting of heightening the landing leg, the strong adaptability's characteristics have, preceding supporting leg subassembly and back supporting leg subassembly all can realize the landing stage front and back end's sideslip action further improvement the adaptability and the flexibility of landing stage.
The front slope bridge of this application can be by the rotatory swing of inverted arch bottom to 40 jiaos more than the water flat line to can satisfy the bench method excavation and dig the operation with breaking off comprehensively, make whole landing stage accommodation wider, it is littleer to the influence of the operation construction of different district sections, more can improve the efficiency of construction operation, optimize the construction process progress.
The structural design of the walking trolley not only can be used for lifting and conveying the template, but also can realize the step-changing advancing of the trestle, and the integration of the functional structure of the trestle is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
Fig. 1 is one of the structural schematic diagrams of a large-span all-hydraulic tire walking tunnel invert trestle according to the embodiment of the present invention.
Fig. 2 is a second schematic structural view of a large-span all-hydraulic tire walking tunnel invert trestle according to an embodiment of the present invention.
Fig. 3 is a schematic view of the structure in the direction of a-a in fig. 1.
Fig. 4 is a schematic structural view in the direction B-B in fig. 1.
FIG. 5 is a schematic view of the structure in the direction C-C in FIG. 1.
Fig. 6 is a schematic view of the structure in the direction of D-D in fig. 1.
FIG. 7 is a schematic view of the structure in the direction E-E in FIG. 1.
FIG. 8 is a schematic view of the structure in the direction F-F in FIG. 1.
Fig. 9 is a schematic structural view of a rear traveling mechanism according to an embodiment of the present invention.
Fig. 10 is a schematic structural view of a walking leg according to an embodiment of the present invention.
Fig. 11 is a schematic structural view of the first leg outer sleeve and the first leg inner sleeve according to an embodiment of the present invention.
Number in the figure:
100 is a main bridge, 101 is a first section, 102 is a second section, 103 is a third section, 104 is a box girder, 105 is a cross beam, 106 is a walkway, 107 is a walking track, and 108 is a bent plate chain;
210 is a front slope bridge, 211 is a sixth oil cylinder, 212 is H-shaped steel, 213 is deformed steel, 220 is a rear slope bridge, and 221 is a seventh oil cylinder;
300 is a rear travelling mechanism, 301 is a travelling support base, 302 is a solid rubber tire, 303 is a hydraulic motor, 304 is a lifting pedestal, 305 is a lifting inner sleeve, 306 is a lifting outer sleeve, and 307 is a first oil cylinder;
400 is a front supporting leg assembly, 401 is a first supporting leg outer sleeve, 402 is a first supporting leg inner sleeve, 403 is a second oil cylinder, 404 is a third oil cylinder, 405 is a cross supporting beam, 406 is a heightening supporting leg, 407 is a U-shaped clamping sleeve, 408 is a diagonal lead screw, and 409 is a peephole;
500 is a rear supporting leg assembly, 501 is a sliding seat, 502 is a transverse moving base, 503 is a fourth oil cylinder;
600 is a walking trolley, 601 is a trolley body, 602 is a walking support leg, 6021 is a second support leg outer sleeve, 6022 is a second support leg inner sleeve, 6023 is a fifth oil cylinder, 603 is a main axle bearing rail running wheel, 604 is a side gear wheel, 605 is a trolley running rail running wheel, and 606 is a limit pin shaft;
701 is a first hydraulic electric control component, and 702 is a second hydraulic electric control component.
Detailed Description
The embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art.
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for describing various elements of the present invention, and do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
It should be noted that when an element is referred to as being "connected," "coupled," or "connected" to another element, it can be directly connected, coupled, or connected, but it is understood that intervening elements may be present therebetween; i.e., positional relationships encompassing both direct and indirect connections.
It should be noted that the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
It should be noted that terms indicating orientation or positional relationship such as "upper", "lower", "left", "right", and the like, are used only for indicating relative positional relationship, which is for convenience of describing the present invention, and not that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation; when the absolute position of the object to be described is changed, the relative positional relationship may also be changed accordingly.
Referring to fig. 1 to 11, the large-span full hydraulic tire walking tunnel inverted arch trestle comprises a main bridge 100, a front slope bridge 210, a rear slope bridge 220, a rear walking mechanism 300 and a walking trolley 600, wherein support legs are arranged at the bottom of the main bridge 100, and the front slope bridge 210 is arranged at the front end of the main bridge 100; a rear slope bridge 220 is provided at the rear end of the main bridge 100; the rear traveling mechanism 300 is arranged at the rear end of the main axle 100 and drives the main axle 100 to move; a walking support leg 602 is arranged at the lower part of the walking trolley 600, and the walking trolley 600 and the main bridge 100 can move relatively; when the rear traveling mechanism 300 drives the main axle 100 to travel, the walking car 600 supports the ground, and the front end of the main axle 100 is supported on the walking car 600 and travels forward relative to the walking car 600.
The main bridge 100 at least comprises a first section 101, a second section 102 and a third section 103, a front slope bridge 210 is hinged to the end of the first section 101, a sixth oil cylinder 211 is arranged between the front slope bridge 210 and the first section 101, the sixth oil cylinder 211 controls the turning action of the front slope bridge 210, the lowest end of the turning angle can be in contact with the bottom of an inverted arch for jacking, and the highest end of the turning angle can form an included angle of 40 degrees with the horizontal plane, so that the main bridge can be suitable for step excavation and comprehensive broken excavation; the rear slope bridge 220 is hinged to the end of the second section 102, a seventh oil cylinder 221 is arranged between the rear slope bridge 220 and the second section 102, and the seventh oil cylinder 221 controls the overturning action of the rear slope bridge 220; the third section 103 is disposed between the first section 101 and the second section 102.
In this embodiment, the specific structure of the main bridge is as follows: the first section 101, the second section 102 and the third section 103 respectively comprise box girders 104 and cross girders 105 which are arranged in bilateral symmetry, the cross girders 105 are arranged between the two box girders 104, walkways 106 are arranged on the cross girders 105, and corbels corresponding to the cross girders 105 are arranged at the lower parts of the box girders 104 and can bear acting force transmitted by a part of the cross girders, so that the overall stress condition of the main bridge is improved, and the stability is improved; the box girder 104 and the cross girder 105, and the cross girder 105 and the walkway 106 are fixed through bolting; and the first section 101 and the third section 103 and the second section 102 and the third section 103 are bolted through the correspondingly arranged inner butt flange and outer supplementary connecting flange of the box girder 104. In the actual use process, according to different length requirements, any combination of the sections can be performed, for example, the middle third section is removed, and the first section and the second section are directly butted, so that a short trestle can be formed.
The hydraulic electric system is further arranged, so that in order to avoid spatial interference between the arrangement of the hydraulic electric system and other structures or interference in the action process of other components, the hydraulic electric system in the embodiment comprises a first hydraulic electric control assembly 701 and a second hydraulic electric control assembly 702, wherein the first hydraulic electric control assembly 701 is arranged in a box girder 104 at one end of a main bridge and is used for controlling the actions of a front slope bridge, a rear slope bridge, supporting legs and other components at the front end and the rear end of the main bridge; the second hydraulic control component 702 is arranged on the walking trolley 600 and controls the walking trolley 600 to act, and at the moment, the reciprocating motion of the walking trolley relative to the main bridge cannot be influenced and interfered.
Furthermore, the front and rear slope bridge frameworks in the structure are composed of H-shaped steel 212, the surface of the front and rear slope bridge frameworks is paved with and welded with deformed steel bars 213 to form a vehicle passing anti-skid surface, and a support is arranged below the rear slope bridge, so that the span is shortened, the structure is optimized, and the vehicle passing safety is improved. The front slope bridge and the rear slope bridge are hinged with the main bridge through pin shafts, the length of the front slope bridge is about 8m, and the available space below the front slope bridge can be used for primary support operation; box girders and cross girders which are symmetrical on the main bridge are bolted, walkways are laid on the cross girders, and the walkways are bolted with the cross girders. Not only be convenient for the transportation, and be convenient for assemble the combination, whole turnover is convenient, and the flexibility ratio is high and strong adaptability.
The rear travelling mechanism 300 comprises a travelling support base 301, travelling wheels and a travelling driving part, wherein the travelling wheels are arranged on the travelling support base 301; the traveling driving part drives the traveling wheels to move and drives the main axle 100 to move. The walking wheel is a solid rubber tire 302, a poured inverted arch is prevented from being crushed, the walking driving part is a hydraulic motor 303, the walking driving part and the walking wheel are in gear transmission through matching and meshing, the speed is reduced through the gear transmission, the torque is increased, the running speed is 3-10m/min, and the walking stability is guaranteed. Further, a lifting pedestal 304 is arranged at the top of the walking support base 301, a lifting inner sleeve 305 and a lifting outer sleeve 306 which are matched and sleeved are arranged between the walking support base 301 and the lifting pedestal 304, and a first oil cylinder 307 is arranged between the lifting inner sleeve 305 and the lifting outer sleeve 306, so that the solid rubber tire can be controlled to support the ground or leave the ground.
The support leg in this embodiment includes a front support leg assembly 400 and a rear support leg assembly 500 disposed at the front and rear ends of the main bridge, respectively.
Specifically, in the present embodiment, the front support leg assembly 400 includes a first leg outer sleeve 401, a first leg inner sleeve 402, a second cylinder 403 and a third cylinder 404, the two first leg outer sleeves 401 are correspondingly arranged on both sides of the main bridge 100, the first leg inner sleeve 402 is slidably sleeved in the first leg outer sleeve 401, and a heightening leg 406 is arranged at the bottom of the first leg inner sleeve 402; the second oil cylinder 403 drives the first leg outer sleeve 401 and the first leg inner sleeve 402 to slide relatively; be provided with spreader 405 between two first leg outer tubes 401, main axle 100 matches the slip setting on spreader 405, preferably, through set up U type cutting ferrule 407 in the main axle bottom, spreader 405 wears to establish in U type cutting ferrule 407, not only plays spacing supporting role, is convenient for assemble moreover, third hydro-cylinder 404 sets up between spreader 405 and main axle 100 for drive main axle 100 and spreader 405's relative action, thereby realize the sideslip of the front end of main axle. In order to improve its stability, still be provided with and draw the lead screw to one side, two draw the lead screw to one side symmetry to set up between the both ends of crossbeam and the two first leg outer tubes of main bridge both sides (also can set up the lower extreme that draws the lead screw to one side according to the difference of height and increase landing leg or first leg inner tube), draw the concrete structure of lead screw to one side to be: the oblique-pulling screw 408 comprises a positive-rotation screw, a negative-rotation screw and an adjusting sleeve positioned in the middle, the extension or the shortening of the oblique-pulling screw can be realized by rotating the adjusting sleeve, and the adjusting sleeve is provided with a peephole 409 for observing the position of the screw.
The rear support leg assembly 500 in this embodiment includes a sliding seat 501, a traversing base 502, and a fourth cylinder 503, wherein the sliding seat 501 is arranged at the bottom of the main bridge 100; the sliding seat 501 is arranged on the transverse moving base 502 in a sliding manner; the fourth oil cylinder 503 is arranged between the sliding seat 501 and the transverse moving base 502, and drives the sliding seat 501 and the transverse moving base 502 to move relatively, the sliding seat and the transverse moving base are arranged on the left side and the right side of the main axle, and the rear end of the main axle is driven to move transversely through the synchronous action of the two arranged fourth oil cylinders.
The walking trolley 600 comprises a trolley body 601, walking support legs 602 and a walking assembly, wherein the main bridge 100 is supported and arranged on the trolley body 601, and in order to ensure the smooth walking of the main bridge on the trolley body, a plurality of main bridge bearing rail travelling wheels 603 are arranged on the trolley body 100, so that a box girder of the main bridge 100 can be matched, attached and rolled and supported on the main bridge bearing rail travelling wheels 603, the rolling support is realized, and the stable support and the relative movement of the front end of the main bridge through the trolley body can be ensured in the walking process of the main bridge; in this embodiment, the walking legs 602 are disposed at each end corner of the cart body 601, and the walking legs 602 are lifting legs.
Since the main axle is required to be supported on the walking trolley to walk, and the walking trolley reciprocates on the main axle after the main axle is supported and stabilized by the front support leg assembly and the rear support leg assembly, a walking assembly is required to be arranged, and the walking assembly is used for driving the trolley body 601 to walk on the main axle 100 back and forth in a reciprocating manner.
Preferably, the walking leg 602 in this embodiment includes a second leg outer sleeve 6021, a second leg inner sleeve 6022 and a fifth cylinder 6023, the second leg inner sleeve 6022 is slidably disposed in the second leg outer sleeve 6021, and a heightening leg 406 is disposed at the bottom of the second leg inner sleeve 6022, where the heightening leg can also achieve a telescopic function, so that the height adjustment range is wider, and the heightening leg is disposed through the telescopic sleeve and the limit pin 606; the fifth oil cylinder 6023 drives the second support leg outer sleeve 6021 and the second support leg inner sleeve 6022 to slide relatively; the trolley body 601 is fixedly arranged among a plurality of second support leg outer sleeves 6021, the second support leg outer sleeves 6021 are also provided with side blocking wheels 604, and the side part of the main bridge 100 rolls and props among the plurality of side blocking wheels 604; the walking assembly sets up the top at walking landing leg 602, the walking assembly includes dolly walking rail walking wheel 605, hydraulic motor and main drive sprocket, be provided with the walking track 107 that corresponds with dolly walking rail walking wheel and the bent plate chain 108 that corresponds with main drive sprocket at the top of main bridge 100, walking track 107 adopts the two rectangular rails that set up side by side on the case roof beam of main bridge both sides, can also set up the stull on the two-step landing leg of homonymy, hydraulic motor fixes and drives the sprocket rotation through gear drive on the stull, and then by sprocket and bent plate chain meshing, thereby turn into linear motion with rotary motion, thereby drive the reciprocating motion of dolly body on the main bridge, not only can be used for transporting the template, and when the main bridge moves, can play the support of stepping change, thereby the steady of effectual guarantee main bridge operation. In order to avoid that dust accumulated on the bent plate chain is inconvenient to clean, the lower part of the bent plate chain is provided with a heightening seat which is fixed on the box girder and is connected with the heightening seat through a bolt.
In the actual construction process, the method can have various states; when the walking vehicle is on a plane without an inverted arch, the heightened legs in the front supporting leg assembly and the heightened legs of the walking vehicle can be removed; when the height difference of the inverted arch is certain or large, the height difference of the inverted arch excavation with different thicknesses is adapted through the expansion amount of each supporting leg, and the heightened supporting legs can be selected to be added, so that the adaptation range and the operation convenience are improved.
The large-span full hydraulic tire walking tunnel inverted arch trestle is used for operating construction, and the method specifically comprises the following steps:
a. assembling in corresponding sections to complete installation and debugging of the large-span full hydraulic tire walking tunnel inverted arch trestle, and performing operation construction in corresponding sections;
b. after the construction of the section is finished, lifting the front slope bridge, the rear slope bridge and the supporting legs, and supporting the main bridge through a rear walking mechanism and the walking trolley;
c. driving the rear walking mechanism to act to drive the main bridge to move forwards relative to the walking trolley, and after the walking is carried out to a set distance S, supporting the main bridge by the supporting legs, and enabling the walking legs of the walking trolley to contract and driving the walking trolley to move forwards on the main bridge;
and when the set distance S of single walking is smaller than the distance between two adjacent construction sections, repeating the steps b and c until the large-span full hydraulic tire walking tunnel inverted arch trestle moves to a set position, and then performing construction operation of the next section.
This application can realize 24m inverted arch free operation space, and the commonality is strong, degree of automation is high, and in order to ensure the stability of the removal in-process of main bridge, general single step changing length is 6m, sets for distance S promptly and is 6m, and the distance of two adjacent construction sections is 12m generally, consequently need twice step changing to remove at single removal in-process. The construction of this application can stride the operation of many sections to overcome the problem that traditional construction circulation received concrete setting time's restriction, the adaptability of this application is stronger simultaneously, and the flexibility is high, has new breakthrough to the construction operation of big span, and efficiency of construction and convenience are higher in the application.
While the above description has described in detail the preferred embodiments for carrying out the invention, it should be understood that these embodiments are presented by way of example only, and are not intended to limit the scope, applicability, or configuration of the invention in any way. The scope of the invention is defined by the appended claims and equivalents thereof. Many modifications may be made to the foregoing embodiments by those skilled in the art in light of the teachings of the present disclosure, and such modifications are intended to be within the scope of the present disclosure.
Claims (10)
1. The utility model provides a full hydraulic pressure tire walking tunnel invert trestle of large-span which characterized in that includes:
the bottom of the main bridge is provided with a supporting leg;
a front slope bridge disposed at a front end of the main bridge;
a rear slope bridge provided at a rear end of the main bridge;
the rear travelling mechanism is arranged at the rear end of the main bridge and drives the main bridge to act; and
the lower part of the walking trolley is provided with a walking support leg, and the walking trolley and the main bridge can move relatively;
when the rear walking mechanism drives the main bridge to move forward, the walking trolley supports the ground, and the front end of the main bridge is supported on the walking trolley and moves forward relative to the walking trolley.
2. The large-span all-hydraulic tire walking tunnel invert trestle of claim 1, wherein the rear running mechanism comprises:
a walking support seat;
the walking wheel is arranged on the walking support seat; and
and the walking driving part drives the walking wheels to move and drives the main bridge to move.
3. The large-span all-hydraulic tire walking tunnel invert trestle of claim 2, wherein the road wheels are solid rubber tires; the walking driving part is a hydraulic motor, and the walking driving part and the walking wheels are in gear transmission through matching and meshing.
4. The large-span full hydraulic tire walking tunnel invert trestle according to claim 2, wherein a lifting pedestal is arranged on the top of the walking support seat, a lifting inner sleeve and a lifting outer sleeve which are matched and sleeved are arranged between the walking support seat and the lifting pedestal, and a first cylinder is arranged between the lifting inner sleeve and the lifting outer sleeve.
5. The large-span all-hydraulic tire walking tunnel invert trestle of claim 1, wherein the support legs comprise a front support leg assembly and a rear support leg assembly respectively disposed at the front and rear ends of the main bridge;
the front support leg assembly includes:
the two first leg outer sleeves are correspondingly arranged on the left side and the right side of the main bridge, a cross support beam is arranged between the two first leg outer sleeves, the main bridge is arranged on the cross support beam in a matching sliding manner, and a cable-stayed lead screw is arranged between the lower parts of the two ends of the cross support beam and each first leg outer sleeve;
the first leg inner sleeve is sleeved in the first leg outer sleeve in a sliding manner, and the bottom of the first leg inner sleeve is provided with a heightened leg;
the second oil cylinder drives the first leg outer sleeve and the first leg inner sleeve to slide relatively; and
the third oil cylinder is arranged between the cross support beam and the main axle and drives the main axle and the cross support beam to move relatively;
the rear support leg assembly includes:
the sliding seat is arranged at the bottom of the main bridge;
the sliding seat is arranged on the transverse moving base in a sliding manner; and
and the fourth oil cylinder is arranged between the sliding seat and the transverse moving base and drives the sliding seat and the transverse moving base to move relatively.
6. The large-span all-hydraulic tire walking tunnel invert trestle of claim 1, wherein the walking trolley comprises:
the main bridge is supported and arranged on the trolley body;
the walking support legs are arranged at each end corner of the trolley body and are lifting support legs; and
and the walking assembly drives the trolley body to reciprocate back and forth on the main bridge.
7. The large-span all-hydraulic tire walking tunnel invert trestle of claim 6, wherein the trolley body is provided with main bridge bearing rail running wheels, and the main bridge is matched, attached and supported on the main bridge bearing rail running wheels in a rolling manner;
the walking leg includes:
a second leg outer sleeve;
the second support leg inner sleeve is arranged in the second support leg outer sleeve in a sliding mode, and a heightening support leg is arranged at the bottom of the second support leg inner sleeve; and
the fifth oil cylinder drives the second supporting leg outer sleeve and the second supporting leg inner sleeve to slide relatively;
the trolley body is fixedly arranged among the second supporting leg outer sleeves, side retaining wheels are further arranged on the second supporting leg outer sleeves, and the side part of the main axle is rolled and supported among the side retaining wheels; the walking assembly is arranged at the top of the walking support leg and comprises a trolley walking rail walking wheel, a hydraulic motor and a main driving chain wheel, and a walking track corresponding to the trolley walking rail walking wheel and a bent plate chain corresponding to the main driving chain wheel are arranged at the top of the main bridge; and a heightening seat is arranged between the bent plate chain and the main bridge.
8. The large-span all-hydraulic tire walking tunnel invert trestle of claim 1, wherein the main bridge comprises at least:
the front slope bridge is hinged to the end of the first section, a sixth oil cylinder is arranged between the front slope bridge and the first section, and the sixth oil cylinder controls the overturning action of the front slope bridge;
the rear slope bridge is hinged to the end of the second section, a seventh oil cylinder is arranged between the rear slope bridge and the second section, and the seventh oil cylinder controls the overturning action of the rear slope bridge; and
a third section disposed between the first section and the second section.
9. The large-span all-hydraulic tire walking tunnel invert trestle of claim 8, wherein the first, second and third sections each comprise:
box girders symmetrically arranged at left and right sides; and
the cross beam is arranged between the two box girders, a walkway is arranged on the cross beam, and a bracket corresponding to the cross beam is arranged at the lower part of each box girder;
the box girder and the cross beam as well as the cross beam and the walkway are fixed through bolting; and the first section and the third section, and the second section and the third section are bolted through the correspondingly arranged box girder internal butt flange and the external supplementary connecting flange.
10. The large-span all-hydraulic tire walking tunnel invert trestle of claim 9, further comprising a hydraulic-electric system, wherein the hydraulic-electric system comprises a first hydraulic-electric control component and a second hydraulic-electric control component, and the first hydraulic-electric control component is arranged in a box girder at one end of the main bridge; the second hydraulic electric control component is arranged on the walking trolley and controls the walking trolley to act.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921544433.8U CN211079881U (en) | 2019-09-17 | 2019-09-17 | Large-span full hydraulic tire walking type tunnel inverted arch trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921544433.8U CN211079881U (en) | 2019-09-17 | 2019-09-17 | Large-span full hydraulic tire walking type tunnel inverted arch trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211079881U true CN211079881U (en) | 2020-07-24 |
Family
ID=71646431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921544433.8U Active CN211079881U (en) | 2019-09-17 | 2019-09-17 | Large-span full hydraulic tire walking type tunnel inverted arch trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211079881U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541347A (en) * | 2019-09-17 | 2019-12-06 | 中铁工程装备集团隧道设备制造有限公司 | large-span full-hydraulic tire walking type tunnel inverted arch trestle and construction method |
| CN112943303A (en) * | 2021-02-23 | 2021-06-11 | 中建桥梁有限公司 | Tunnel inverted arch construction method adopting hydraulic arc-shaped template |
-
2019
- 2019-09-17 CN CN201921544433.8U patent/CN211079881U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541347A (en) * | 2019-09-17 | 2019-12-06 | 中铁工程装备集团隧道设备制造有限公司 | large-span full-hydraulic tire walking type tunnel inverted arch trestle and construction method |
| CN112943303A (en) * | 2021-02-23 | 2021-06-11 | 中建桥梁有限公司 | Tunnel inverted arch construction method adopting hydraulic arc-shaped template |
| CN112943303B (en) * | 2021-02-23 | 2022-11-01 | 中建桥梁有限公司 | Tunnel inverted arch construction method adopting hydraulic arc-shaped template |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110541347A (en) | large-span full-hydraulic tire walking type tunnel inverted arch trestle and construction method | |
| CN211079881U (en) | Large-span full hydraulic tire walking type tunnel inverted arch trestle | |
| CN110953004A (en) | Shield tunnel middle box culvert installation trolley and construction method | |
| CN210177344U (en) | Inverted arch trestle | |
| CN211547116U (en) | A operation car for railway switch is spread and is traded | |
| CN105114103A (en) | Rail-traveling type hydraulic ditch cable trench trolley formwork system | |
| CN201284462Y (en) | Bridging machine for both highway and railway | |
| CN108130862B (en) | Tunnel passing beam vehicle | |
| CN104343084A (en) | Trackless lower chord inspection vehicle for steel truss bridges | |
| CN204023336U (en) | A kind of subway track-laying machine | |
| CN211498492U (en) | Bridge construction bridging machine with prevent that incline inclined to one side overhead traveling crane sideslip track | |
| CN116553372A (en) | Lifting equipment for bridge construction and bridge construction method | |
| CN108130864B (en) | Integrally-assembled bridge whole-span beam transportation and erection equipment | |
| CN106087763B (en) | It is a kind of to cross the double girder rubber-tyred railway T-girder bridge girder erections of tunnel type and bridging method | |
| CN102493358B (en) | Highway and railway two-purpose bridge girder erection machine | |
| CN211573548U (en) | Box culvert installation trolley in middle of shield tunnel | |
| CN201362255Y (en) | Two-way track transport vehicle | |
| CN115405326A (en) | Trolley for assembling tunnel lining sheets | |
| CN104929056B (en) | The hydraulic drive of a kind of sphere track and control Bridge Erector, bridge formation system and bridging method | |
| CN212202075U (en) | Trackless self-propelled tunnel secondary lining trolley | |
| CN211524827U (en) | Large-span telescopic movable trestle | |
| CN112554068A (en) | Combined construction equipment and construction method for fully-prefabricated bridge pier and bridge | |
| CN110805452A (en) | Large-span telescopic movable trestle | |
| CN103382701B (en) | Transport system for corbel mechanism of under-deck non-self-propelled movable mould frame and mounting method of transport system | |
| CN111335180A (en) | Steering system of bridge girder erection machine and use method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |