CN117514239A - Full-ring lining trolley, full-ring lining device of water conservancy tunnel and construction method - Google Patents

Abstract

The application relates to a full-loop lining trolley, a full-loop lining device of a water conservancy tunnel and a construction method, wherein the full-loop lining trolley comprises a center frame and a template assembly; the template assembly includes: a top mold; the two side dies are respectively and symmetrically hinged to the two ends of the top die; the lateral oil cylinder drives the lateral die to rotate around the hinging point of the top die and the lateral die; the side die comprises a side die outer plate and a side die end plate; the side die end plate is connected to the edge of the side die outer plate, and an intersecting line is formed between the side die end plate and the side die outer plate; the bottom die comprises a bottom die outer plate and a bottom die end plate; the bottom die end plate is connected to the edge of the bottom die outer plate; the side die end plates are propped against part of the bottom die end plates and are attached to part of the bottom die end plates; the top die, the side die and the bottom die form a full ring; the bottom die end plate is inclined downwards along the direction from outside to inside, and when the side die rotates around the hinging point of the top die and the side die, the intersecting line does not interfere with the bottom die end plate. The construction process of the water conservancy tunnel can be quickened.

Description

Full-ring lining trolley, full-ring lining device of water conservancy tunnel and construction method

Technical Field

The application relates to the technical field of construction of water conservancy tunnels, in particular to a full-ring lining trolley, a full-ring lining device of a water conservancy tunnel and a construction method.

Background

The tunnel is an engineering building embedded in the stratum and comprises a traffic tunnel, a water conservancy tunnel and the like, wherein the traffic tunnel comprises a tunnel body, an inverted arch backfill and the like, and the water conservancy tunnel comprises the tunnel body and does not comprise the inverted arch backfill. In the water conservancy tunnel construction process, the mode of adopting inverted arch and arc arch wall to separately construct is generally adopted to carry out secondary lining pouring, and not only is a plurality of construction steps needed to be divided into to construct, but also the position accuracy between the inverted arch and the lining trolley is needed to be repeatedly adjusted when the secondary lining of the arc arch wall is poured, so that the whole construction process of the traffic tunnel is slow.

Disclosure of Invention

Based on the above, it is necessary to provide a full-loop lining trolley, a full-loop lining device for a water conservancy tunnel and a construction method, and the concrete scheme is as follows.

A full-ring lining trolley comprises a center frame and a template assembly; the template assembly includes:

the top die is connected with the center frame through the upper demoulding assembly;

the two side dies are respectively and symmetrically hinged to the two ends of the top die; the side die is connected with the center frame through a side oil cylinder, and the side oil cylinder drives the side die to rotate around the hinging point of the top die and the side die; the side die comprises a side die outer plate and a side die end plate; the side die end plate is connected to the edge of the side die outer plate, and an intersecting line is formed between the side die end plate and the side die outer plate;

the bottom die comprises a bottom die outer plate and a bottom die end plate; the bottom die end plate is connected to the edge of the bottom die outer plate; the side die end plates are propped against part of the bottom die end plates and are attached to part of the bottom die end plates; the top die, the side die and the bottom die form a full ring; the bottom die end plate is inclined downwards along the direction from outside to inside, and when the side die rotates around the hinging point of the top die and the side die, the intersecting line does not interfere with the bottom die end plate.

Further, the side die further comprises a fixing plate, wherein the fixing plate is connected to the edge of the side die end plate far away from the side die outer plate, and an included angle is formed between the fixing plate and the bottom die end plate; a first supporting rod is connected between the side mold outer plate and the center frame, and a second supporting rod is connected between the fixed plate and the center frame; the first support rod and the second support rod are both hinged on the same connecting support on the center frame; the connecting support is positioned below the side die, so that the first support rod and the second support rod support the side die obliquely upwards.

A full-loop lining device for a water conservancy tunnel, comprising:

the landing stage assembly comprises a landing stage main body and a first telescopic landing leg, and the first telescopic landing leg is arranged on the landing stage main body; the trestle body is sequentially divided into a first construction section, a second construction section and a reserved auxiliary section along the axial direction;

the full-loop lining trolley as described above, further comprising a second telescopic leg mounted on the center frame; the center frame is arranged on the trestle main body through a first travelling assembly, so that the full-ring lining trolley travels between the first construction section and the second construction section;

the laying trolley comprises a laying trolley main body and a third telescopic supporting leg; the paving and hanging trolley main body is arranged on the trestle main body through a second traveling assembly, so that the paving and hanging trolley travels between the second construction section and the reserved auxiliary section; the third telescopic supporting leg is arranged on the paving trolley main body; the laying and hanging trolley is used for laying waterproof boards and hanging two lining steel bars.

Further, the trestle main body comprises a rectangular frame structure and a passage pavement; the rectangular frame structure comprises two upper girders and two lower girders, wherein an upper cross beam is connected between the two upper girders, a lower cross beam is connected between the two lower girders, and the upper girders are connected with the lower girders through vertical girders; the passage pavement comprises a passage corridor, approach bridges hinged to two ends of the passage corridor, and approach bridge lifting devices; the approach bridge lifting device comprises a lifting oil cylinder, a lifting rod and a lifting beam; one end of the lifting oil cylinder is hinged with the rectangular frame structure, and the other end of the lifting oil cylinder is hinged with the lifting rod; the lifting rod is hinged with the lifting beam; the lifting beam is transversely arranged below the bridge approach and is connected with the bridge approach.

Further, two sides of the lifting beam are respectively connected with a connecting rod perpendicular to the surface of the lifting beam; a wing plate is arranged on the side surface of the approach bridge, and a through hole penetrating through the wing plate is connected to the wing plate; the connecting rod penetrates through the through hole and is connected with a limit nut; the two sides of the wing plate are respectively connected with a first spring and a second spring; the first spring is propped against the limit nut, and the second spring is propped against the lifting beam.

Further, the paving trolley main body comprises a paving trolley bracket, annular guide rails respectively arranged at two ends of the paving trolley bracket and a moving assembly; the moving assembly comprises a laying trolley which is respectively and movably arranged on the two annular guide rails, and a rotating shaft for installing a coiled waterproof board is rotatably arranged on the laying trolley; a movable rod is connected between the two paving and hanging trolleys, a plurality of telescopic supporting rods which are arranged along the length direction of the movable rod are arranged on the movable rod, and a waterproof plate pinch roller or a steel bar bending chuck is detachably connected to the telescopic supporting rods.

Further, travelling wheels are arranged on the paving trolley, and the paving trolley drives the travelling wheels to roll when moving along the annular guide rail; the middle part of the movable rod is provided with a sliding groove extending along the length direction of the movable rod, the telescopic supporting rod is connected with a sliding block, and the sliding block is slidingly arranged in the sliding groove along the extending direction of the sliding groove; a travelling wheel is connected with a telescopic supporting rod through a driving piece, so that the telescopic supporting rod is driven to reciprocate along the sliding groove when the travelling wheel rotates.

Further, the driving piece comprises a first spherical hinge support arranged on the travelling wheel, a second spherical hinge support arranged on the telescopic stay rod and a spherical hinge rod; one end of the spherical hinge rod is connected with a first small ball, and the other end of the spherical hinge rod is connected with a second small ball; the first small ball is connected with the first spherical hinge support to form a first spherical pair, and the second small ball is connected with the second spherical hinge support to form a second spherical pair; the telescopic supporting rods are connected through serial rods.

Further, the bending clamp comprises a clamping ring for accommodating the steel bar to pass through and a first dismounting rod connected with the clamping ring, and the first dismounting rod is detachably connected with the telescopic supporting rod.

The method for constructing the water conservancy tunnel by using the full-loop lining device comprises the following steps of:

s1, moving a full-ring lining trolley to a first construction section, and performing secondary lining pouring on the first construction section; simultaneously, the paving and hanging trolley is moved to the second construction section, so that the paving and hanging trolley traverses the whole second construction section to carry out waterproof board paving and hanging and two-lining steel bar binding on the second construction section;

s2, after the construction of the waterproof board and the two lining steel bars in the second construction section is completed, the paving and hanging trolley is moved to the reserved auxiliary section;

s3, after the secondary lining pouring of the first construction section is completed, moving the full-ring lining trolley to the second construction section;

s4, after the inverted arch concrete in the first construction section is enough in strength, enabling the first telescopic supporting leg to be shortened, the second telescopic supporting leg to be elongated and the third telescopic supporting leg to be elongated respectively, enabling the trestle assembly to form a suspension state, and enabling the lining trolley and the paving trolley to form a fixed state; after the trestle assembly moves forward by the length of one construction section; respectively lengthening the first telescopic supporting leg, shortening the second telescopic supporting leg and shortening the third telescopic supporting leg, so that the trestle is restored to a fixed state, and the lining trolley and the paving trolley are restored to a suspended state;

s5, repeating the steps S1-S4 until pouring of the traffic tunnel is completed.

The beneficial effects are that: 1. according to the full-ring lining trolley, full-ring integral pouring can be directly carried out during secondary lining pouring, step pouring is not needed, construction steps are reduced, and therefore construction efficiency is improved, and the integral construction process of a water conservancy tunnel is accelerated; and the bottom die end plate and the side die end plate are mutually attached, so that the tightness is improved, the slurry overflow is avoided, and interference between the side die and the bottom die in the demolding process is avoided.

2. According to the full-ring lining trolley, the fixed plate of the side die and the outer plate of the side die are respectively supported obliquely upwards by the first support rod and the second support rod, so that stability of the joint of the bottom die and the side die is guaranteed, concrete load and self load are prevented from directly acting on the bottom die by the side die, and deflection of the bottom die due to overload is avoided.

3. The full-ring lining device for the water conservancy tunnel provided by the invention can synchronously perform secondary lining pouring, steel bar binding and waterproof board laying and hanging operations, and alternately perform operations along with the walking of the trestle assembly, so that the construction efficiency of the water conservancy tunnel is further improved.

4. According to the full-loop lining device for the water conservancy tunnel, the first spring and the second spring are used for buffering between the bridge approach and the lifting beam, so that a certain distance exists between the lifting beam and the bridge approach when the bridge approach is in a fixed state, load born on the bridge approach cannot directly act on the lifting beam, overload of a lifting oil cylinder is avoided, failure is avoided, and damage caused by collision between the lifting beam and the bridge approach directly during action can be avoided by buffering the first spring and the second spring.

5. According to the full-loop lining device for the water conservancy tunnel, provided by the invention, in the waterproof cloth paving process, the paving trolley walks on the annular guide rail to carry out full-loop paving, and the telescopic support rod moves circumferentially and axially in a reciprocating manner along with the annular movement of the paving trolley, so that a continuous wavy movement track is formed, the pressing wheel is used for carrying out multi-area coverage on the waterproof board, wrinkles are reduced, and the waterproof board is better attached to the inner wall of the tunnel.

6. The full-ring lining device for the water conservancy tunnel provided by the invention has the advantages that the steel bar clamping heads are utilized to assist the bending of the two lining steel bars, and the positions of the two lining steel bars can be adjusted by utilizing the radial expansion and the axial movement of the expansion supporting rods so as to position the two lining steel bars.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic front view of a full loop lining trolley;

FIG. 2 is an enlarged schematic view of area A of FIG. 1;

FIG. 3 is one of the schematic diagrams of a full loop lining trolley de-molding;

FIG. 4 is a second schematic illustration of demolding of a full loop lining trolley;

FIG. 5 is a schematic side view of a full loop lining apparatus;

FIG. 6 is an elevational schematic of a full loop lining apparatus;

FIG. 7 is a schematic elevational view of a paving trolley;

FIG. 8 is a schematic side view of a landing stage assembly;

FIG. 9 is a partial schematic view of a lifting beam connected to an approach bridge;

FIG. 10 is a schematic side view of a paving trolley;

FIG. 11 is a schematic illustration of the connection of a spreader carriage to a telescoping strut;

fig. 12 is a schematic view of a rebar bending clip;

FIG. 13 is a schematic flow chart of construction of a water conservancy tunnel;

FIG. 14 is one of the construction status schematics;

FIG. 15 is a second schematic view of the construction state;

reference numerals illustrate: 1. a trestle assembly; 2. full-ring lining trolley; 3. paving and hanging a trolley;

11. a trestle body; 12. a first telescoping leg;

111. an upper girder; 112. a lower girder; 113. an upper cross beam; 114. a lower cross beam; 115. a vertical beam; 116. a passageway corridor; 117. bridging; 118. a lifting device;

1171. a wing plate;

1181. a lifting cylinder; 1182. a lifting rod; 1183. lifting the beam; 1184. a connecting rod; 1185. a limit nut; 1186. a first spring; 1187. a second spring;

101. a first construction section; 102. a second construction section; 103. reserving an auxiliary section;

21. a template assembly; 22. a center frame; 23. a second telescoping leg;

211. a top mold; 212. a side mold; 213. a bottom die; 214. an upper stripper assembly; 215. a lower stripper assembly; 216. a lateral oil cylinder; 217. a first travel assembly;

2121. side form outer plate; 2122. a side mold end plate; 2123. a fixing plate; 2124. a first support bar; 2125. a second support bar; 2126. A hinged support;

2131. a bottom die outer plate; 2132. A bottom die end plate;

31. a paving and hanging trolley main body; 32. a third telescoping leg; 33. a second walking assembly; 34. paving and hanging a trolley bracket; 35. an annular guide rail; 36. a moving assembly; 37. a construction platform;

361. paving and hanging a trolley; 362. a rotation shaft; 363. a moving rod; 364. a telescopic stay bar; 365. a waterproof plate pinch roller; 366. a steel bar bending chuck; 367. a driving member; 368. a string link rod;

3611. a walking wheel;

3631. a sub-moving lever; 3632. a side groove;

3641. a slide block;

3661. a clamping ring; 3662. a first disassembly lever;

3671. the first spherical hinge support is provided with a first spherical hinge support body; 3672. the second spherical hinge support is provided with a second spherical hinge support; 3673. and a spherical hinge rod.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Example 1

The present embodiment provides a full loop lining trolley 2, shown with reference to fig. 1, comprising a centre frame 22 and a formwork assembly 21; wherein the template assembly 21 comprises a top mold 211, two side molds 212 symmetrically arranged along the center line of the top mold 211, and a bottom mold 213; side dies 212 are hinged to two sides of the top die 211 respectively, and two ends of the bottom die 213 respectively abut against the two side dies 212, so that the top die 211, the side dies 212 and the bottom die 213 are surrounded into a full ring shape. The top mold 211 is connected with the center frame 22 through an upper demolding assembly 214, and the upper demolding piece drives the top mold 211 to move vertically for demolding or standing, and drives the top mold 211 to move transversely for adjustment and alignment. The bottom die 213 is connected with the center frame 22 through a lower demolding assembly 215, and the lower demolding assembly 215 drives the bottom die 213 to vertically move for demolding or standing, and drives the top die 211 to transversely move for adjustment and alignment. The side die 212 is connected with the center frame 22 through a side oil cylinder 216, and the side oil cylinder 216 drives the side die 212 to rotate around the hinge point of the top die 211 and the side die 212, so that the demolding and the vertical die of the side die 212 are realized.

Referring to fig. 2, the bottom die 213 includes a bottom die outer plate 2131 and a bottom die end plate 2132; the bottom die end plate 2132 is connected to the edge of the bottom die outer plate 2131; the side form 212 includes a side form outer plate 2121 and a side form end plate 2122; the side mold end plate 2122 is connected to the edge of the side mold outer plate 2121, and an intersecting line is formed between the side mold end plate 2122 and the side mold outer plate 2121, the side mold end plate 2122 is attached to a part of the bottom mold end plate 2132, and the bottom mold end plate 2132 is inclined downward along the outer-to-inner direction, and when the side mold 212 rotates around the hinge point of the top mold 211 and the side mold 212, the intersecting line does not interfere with the bottom mold end plate 2132, and the dotted line part in fig. 2 is the rotation track of the intersecting line.

Specifically, the demolding process includes retracting the side cylinders 216 to drive the side molds 212 to rotate inwards around the hinge points, and the state of the lining trolley is shown in FIG. 3; then, the upper demolding assembly 214 is retracted to drive the top mold 211 to retract, and the lower demolding assembly 215 is retracted to drive the bottom mold 213 to retract, so that demolding is completed, and the lining trolley is in a state shown in FIG. 4.

According to the full-ring lining trolley 2 provided by the embodiment, full-ring integral pouring can be directly carried out during secondary lining pouring, step pouring is not needed, construction steps are reduced, and therefore construction efficiency is improved, and the integral construction process of a water conservancy tunnel is accelerated; and not only ensures the mutual adhesion between the bottom die end plate 2132 and the side die end plate 2122 to improve the tightness and avoid slurry overflow, but also ensures that the side die 212 and the bottom die 213 cannot interfere in the demolding process.

With continued reference to FIG. 2, the retainer plate 2123 is attached to the edge of the side mold end plate 2122 remote from the side mold outer plate 2121, and the retainer plate 2123 forms an angle with the bottom mold end plate 2132; a first support bar 2124 is connected between the side mold outer plate 2121 and the center frame 22, and a second support bar 2125 is connected between the fixed plate 2123 and the center frame 22; the first support bar 2124 and the second support bar 2125 are both hinged to the same hinged support 2126 on the central frame 22; the connecting support is located below the side mold 212, so that the first support bar 2124 and the second support bar 2125 support the side mold 212 obliquely upward.

According to the full-ring lining trolley 2 provided by the embodiment, the fixed plate 2123 of the side die 212 and the side die outer plate 2121 are respectively supported obliquely upwards by the first support rod 2124 and the second support rod 2125, so that stability of the joint of the bottom die 213 and the side die 212 is guaranteed, concrete load and self load are directly acted on the bottom die 213 by the side die 212, and deviation of the bottom die 213 due to overload is avoided.

Example 2

Referring to fig. 5, the present embodiment provides a full-loop lining apparatus of a water conservancy tunnel, which includes a trestle assembly 1, a full-loop lining trolley 2 as described in embodiment 1, and a paving trolley 3.

Specifically, the landing stage assembly 1 includes a landing stage main body 11 and first telescopic support legs 12, and the two first telescopic support legs 12 are respectively installed at the front end and the rear end of the landing stage main body 11, and support the landing stage main body 11 by using the first telescopic support legs 12. The trestle body 11 is sequentially divided into a first construction section 101, a second construction section 102 and a reserved auxiliary section 103 along the axial direction, wherein the axial direction is the same as the axial direction of the tunnel, and the radial direction is the same as the radial direction of the tunnel.

Referring to fig. 5 and 6, the full-ring lining trolley 2 further includes a second telescopic leg 23, the second telescopic leg 23 is mounted on the central frame 22, and when the second telescopic leg 23 extends to abut against the bottom of the tunnel, the lining trolley is supported and fixed by the second telescopic leg 23. The center frame 22 is mounted on the trestle body 11 through a first traveling assembly 217 to enable the lining trolley to travel between the first construction section 101 and the second construction section 102.

Referring to fig. 7, the paving trolley 3 includes a paving trolley body 31 and a third telescopic leg 32; the paving and hanging trolley 3 is arranged on the trestle assembly 1 through a second traveling assembly 33, so that the paving and hanging trolley 3 can travel between the second construction section 102 and the third construction section; the third telescopic support leg 32 is mounted on the paving trolley body 31, and when the third telescopic support leg 32 stretches to prop against the bottom of the tunnel, the third telescopic support leg 32 supports the paving trolley 3.

In this embodiment, the first traveling assembly 217 and the second traveling assembly 33 may both adopt a matching structure of a track and a pulley.

The full-ring lining device for the water conservancy tunnel provided by the embodiment can synchronously perform secondary lining pouring, steel bar binding and waterproof board paving and hanging operations, and alternately operate along with the walking of the trestle assembly 1, so that the construction efficiency of the water conservancy tunnel is further improved.

Specifically, referring to fig. 8, the landing stage main body 11 includes a rectangular frame structure and a passage way; the rectangular frame structure comprises two upper girders 111 and two lower girders 112 extending along the axial direction, as shown in fig. 6, an upper cross beam 113 is connected between the two upper girders 111, a lower cross beam 114 is connected between the two lower girders 112, and the upper girders 111 and the lower girders 112 are connected through vertical girders 115; the passage way comprises a passage corridor 116, access bridges 117 hinged at both ends of the passage corridor 116, and lifting devices 118. The passage walkway passes through the rectangular frame structure and is used for accommodating construction vehicles, constructors and the like to pass through, and the approach bridge 117 is arranged at the bottom of the tunnel and is used for guiding the construction vehicles and the constructors to move from the bottom of the tunnel to the passage corridor 116. The lifting device 118 includes a lift cylinder 1181, a lift rod 1182 and a lift beam 1183; one end of the lifting cylinder 1181 is hinged with the rectangular frame structure, the other end of the lifting cylinder is hinged with the lifting rod 1182, and the lifting rod 1182 is hinged with the lifting beam 1183; the lifting beam 1183 is transversely arranged below the approach bridge 117 and is connected with the approach bridge 117. When the trestle assembly 1 moves, the access bridge 117 needs to be lifted by the lifting device 118, so that the access bridge 117 is suspended. When the bridge approach 117 is lifted, the lifting cylinder 1181 is shortened, and the lifting beam 1183 is connected with the bridge approach 117 to limit the horizontal movement of the lifting beam 1183, so that when the lifting cylinder 1181 is shortened, the bridge approach 117 is supported by the lifting beam 1183, and the bridge approach 117 rotates around the hinge point to suspend.

As a further improvement of the present embodiment, referring to fig. 9, two sides of the lifting beam 1183 are respectively connected with a connecting rod 1184 perpendicular to the surface of the lifting beam 1183; a wing plate 1171 is arranged on the side surface of the approach bridge 117, and a through hole penetrating through the wing plate 1171 is connected to the wing plate 1171; the connecting rod 1184 passes through the through hole and then is connected with the limit nut 1185. The two sides of the wing plate 1171 are respectively connected with a first spring 1186 and a second spring 1187, the first spring 1186 is supported between the limit nut 1185 and the wing plate 1171, and the second spring 1187 is supported between the approach bridge 117 and the lifting beam 1183. In the process of lifting the bridge approach 117 to suspend the bridge approach 117, the lifting beam 1183 moves upwards relative to the bridge approach 117 first, overcomes the elasticity of the spring, and drives the bridge approach 117 to move until the elasticity of the spring is not less than the dead weight of the bridge approach 117. In the process of putting down the approach bridge 117 to enable the approach bridge 117 to be put on the bottom of the tunnel, the approach bridge 117 is driven by the lifting beam 1183 to move downwards, when the approach bridge 117 is put on the bottom of the tunnel, the lifting beam 1183 is continuously driven by the lifting cylinder 1181 to move downwards, so that the lifting beam 1183 and the approach bridge 117 are separated, the approach bridge 117 is prevented from directly applying vehicle loads and the like to the lifting cylinder 1181, and the failure of the lifting cylinder 1181 due to overload is avoided; meanwhile, under the buffer of the first spring 1186 and the second spring 1187, the collision between the lifting beam 1183 and the approach bridge 117 can be effectively avoided.

According to the full-ring lining device for the water conservancy tunnel, the first spring 1186 and the second spring 1187 are utilized to serve as buffering between the bridge approach 117 and the lifting beam 1183, so that when the bridge approach 117 is in a fixed state, a certain distance exists between the lifting beam 1183 and the bridge approach 117, load born by the bridge approach 117 cannot directly act on the lifting beam 1183, overload of the lifting cylinder 1181 is avoided, failure is avoided, and in addition, the first spring 1186 and the second spring 1187 are utilized to buffer the bridge approach 117, and damage caused by collision between the bridge approach 117 can be avoided.

Specifically, referring to fig. 7, the paving carriage body 31 includes a paving carriage bracket 34, annular guide rails 35 respectively mounted on both ends of the paving carriage bracket 34, and a moving assembly 36. The moving assembly 36 comprises a laying trolley 361 which is respectively and movably arranged on the two annular guide rails 35, and a rotating shaft 362 for installing a coiled waterproof board is rotatably arranged on the laying trolley 361. Referring to fig. 10, a moving rod 363 is connected between two paving trolleys 361, a plurality of telescopic supporting rods 364 arranged along the length direction of the moving rod 363 are mounted on the moving rod 363, waterproof plate pinch rollers 365 or steel bar bending chucks 366 are detachably connected to the telescopic supporting rods 364, and the detachable connection mode can be screw connection, buckle connection or the like, which is not described in detail in this embodiment. With continued reference to fig. 7 and 10, a plurality of groups of moving assemblies 36 are mounted on the annular guide rail 35, and a plurality of construction platforms 37 are mounted on the laying trolley support 34 and are arranged in a circumferential direction, wherein the construction platforms 37 facilitate standing construction of personnel.

In the process of paving the waterproof board, a group of moving assemblies 36 pull the coiled waterproof board, a penetrating pipe of the coiled waterproof board is fixed on rotating shafts 362 of two paving and hanging trolleys 361 of the group of moving assemblies 36, the waterproof board is pressed on the wall of a tunnel by a pressing wheel, when the paving and hanging trolleys 361 move along the annular guide rail 35, one end of the waterproof board is fixed on the wall of the tunnel, so that the coiled waterproof board is released along with the movement of the paving and hanging trolleys 361, and meanwhile, the pressing wheel in each group of moving assemblies 36 moves along with the paving and hanging trolleys 361 to press the waterproof board on the wall of the tunnel, so that the waterproof board is attached to the wall of the tunnel.

In the course of hanging the secondary lining bars, the bar is pulled by the constructor to pass through the steel bending chucks in each group of moving assemblies 36, so that the bar is bent into a ring shape, and the position of the bar is adjusted by the telescopic stay bar 364 to radially position the bar.

As a further improvement of the embodiment, referring to fig. 11, the travelling wheels 3611 are installed on the paving trolley 361, and the travelling wheels 3611 are driven to roll when the paving trolley 361 moves along the annular guide rail 35; the middle part of the movable rod 363 is provided with a sliding groove extending along the length direction, the telescopic supporting rod 364 is connected with a sliding block 3641, and the sliding block 3641 is slidingly arranged in the sliding groove along the extending direction of the sliding groove. Specifically, the moving rod 363 includes two sub-moving rods 3631, side slots 3632 are respectively provided at the middle parts of the side surfaces of the two sub-moving rods 3631, the two sub-moving rods 3631 are connected to each other and form a gap for accommodating the telescopic stay 364 to pass through, and the two side slots 3632 form a sliding slot, the sliding block 3641 is disposed in the sliding slot, so that the sliding block 3641 can only move along the extending direction of the sliding slot, that is, the sliding block 3641 can only move along the axial direction of the tunnel, and the sliding block 3641 is limited to move along the radial direction of the tunnel. A travelling wheel 3611 is connected with a telescopic stay bar 364 nearest to the travelling wheel 3611 through a driving piece 367, so that the travelling wheel 3611 drives the telescopic stay bar 364 to reciprocate along a chute when rotating; the driving member 367 comprises a first spherical hinge support 3671 arranged on the travelling wheel 3611, a second spherical hinge support 3672 arranged on the telescopic stay 364 and a spherical hinge rod 3673; one end of the spherical hinge rod 3673 is connected with a first small ball, and the other end is connected with a second small ball; the first ball is connected with the first ball hinge support 3671 to form a first spherical pair, and the second ball is connected with the second ball hinge support 3672 to form a second spherical pair. During the process of rolling the travelling wheel 3611 along the annular guide rail 35, the distance between the first spherical hinge support 3671 and the second spherical hinge support 3672 is relatively changed, and the second spherical hinge support 3672 is pushed to move along the extending direction of the chute because the distance between the spherical hinge rods 3673 is unchanged, so that the telescopic stay rod 364 rolls along the travelling wheel 3611 to reciprocate along the chute. The telescopic support rods 364 are connected through serial link rods 368, so that the telescopic support rods 364 move synchronously. Therefore, each pressing wheel moves along with the movement of the telescopic supporting rod 364 to perform continuous wave track movement, so that each area of the waterproof cloth can be better pressed and covered by the pressing wheels, the waterproof board is pressed and covered in multiple areas by the pressing wheels, the wrinkles of the waterproof board are reduced, and the waterproof board is better attached to the inner wall of the tunnel. In this embodiment, in order to enable the puck to perform continuous wavy line trajectory motion more smoothly, spherical wheels are used as the puck.

In this embodiment, the plurality of groups of moving assemblies 36 are arranged along the circumferential direction of the annular guide rail 35, so that when the telescopic support rods 364 of the moving assemblies 36 move to the same position, the telescopic support rods 364 of the moving assemblies 36 are arranged in a staggered manner, and the waterproof board pinch rollers 365 of the moving assemblies 36 respectively form staggered movement tracks. In the process of laying and hanging the waterproof board, the coiled waterproof board is fixed on one group of moving assemblies 36, meanwhile, each moving assembly 36 is started to move along the annular guide rail 35, the staggered moving track of each waterproof board pinch roller 365 compresses each area of the waterproof board more densely, the fold of the waterproof board is further reduced, and the waterproof board is enabled to be better attached to the inner wall of the tunnel.

In addition, when the steel bar bending clamp 366 is replaced to hang the secondary lining steel bar, the travelling wheel 3611 can be rolled by a corresponding distance to adjust the radial position of the steel bar.

Specifically, referring to fig. 12, the bar bending clamp 366 includes a clamping ring 3661 for receiving a bar therethrough, and a first detaching lever 3662 coupled to the clamping ring 3661, the first detaching lever 3662 being detachably coupled to the telescopic stay 364. The reinforcing bars are clamped by the clamping ring 3661.

Example 3

Referring to fig. 13, the present embodiment provides a construction method for constructing a water conservancy tunnel using the full-loop lining apparatus described in embodiment 2, comprising the steps of:

s1, moving a full-ring lining trolley 2 to a first construction section 101, and performing secondary lining pouring on the first construction section 101; simultaneously, the paving and hanging trolley 3 is moved to the second construction section 102, so that the paving and hanging trolley 3 traverses the whole second construction section 102 to carry out waterproof board paving and hanging and two-lining steel bar binding on the second construction section 102; the state of which is shown in fig. 5;

s2, after the construction of the waterproof board and the two lining steel bars in the second construction section 102 is completed, the paving and hanging trolley 3 is moved to the reserved auxiliary section 103; the state of which is shown in fig. 14;

s3, after the secondary lining pouring of the first construction section 101 is completed, moving the full-ring lining trolley 2 to the second construction section 102; the state of which is shown in fig. 15;

s4, after the inverted arch concrete in the first construction section 101 is strong enough, respectively shortening the first telescopic supporting leg 12, extending the second telescopic supporting leg 23 and extending the third telescopic supporting leg 32, so that the trestle assembly 1 forms a suspension state, and the lining trolley and the paving trolley 3 form a fixed state; after the trestle assembly 1 is moved forward by the length of one construction section; then the first telescopic supporting leg 12 is lengthened, the second telescopic supporting leg 23 is shortened, and the third telescopic supporting leg 32 is shortened, so that the trestle is restored to a fixed state, and the lining trolley and the paving trolley 3 are restored to a suspended state; the state of which is shown in fig. 5;

s5, repeating the steps S1-S4 until pouring of the traffic tunnel is completed.

The process of performing flashing paving in step S1 includes:

s11, fixing the coiled waterproof board on a rotating shaft 362, and adjusting a telescopic supporting rod 364 to enable a pressing wheel to press the waterproof board on the wall of a tunnel;

s12, driving the paving trolley 361 to move around the annular guide rail 35, and enabling the telescopic stay rod 364 to move along with the paving trolley 361 to form continuous curve motion and compress the waterproof plate in the moving process, so that the waterproof plate is paved around the wall of the tunnel; when the waterproof plates are in butt joint, the lower plate presses the upper waterproof plate to form an integral ring for fixation;

s13, moving the paving trolley 3 to a next paving area for paving until the whole waterproof board paving in the second construction section 102 is completed; each section of laying area is set to 4-5 meters according to the width of the waterproof board.

The process of carrying out the binding of the two lining steel bars in the step S1 comprises the following steps:

s15, adjusting the length of the telescopic stay bar 364 and the position of the telescopic stay bar 364 in the axial direction of the tunnel to enable the steel bar bending clamping head 366 to reach a design position corresponding to the installation of the two lining steel bars;

s15, a former operator stands on the construction platform 37 to clamp the end of the steel bar, a latter operator pushes the steel bar towards the former operator, and the former operator sequentially passes the steel bar through the clamping rings 3661 of the steel bar bending clamping heads 366, so that the steel bar forms a ring shape and is fixed.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. The full-ring lining trolley is characterized by comprising a center frame and a template assembly; the template assembly includes:

the top die is connected with the center frame through the upper demoulding assembly;

the two side dies are respectively and symmetrically hinged to the two ends of the top die; the side die is connected with the center frame through a side oil cylinder, and the side oil cylinder drives the side die to rotate around the hinging point of the top die and the side die; the side die comprises a side die outer plate and a side die end plate; the side die end plate is connected to the edge of the side die outer plate, and an intersecting line is formed between the side die end plate and the side die outer plate;

the bottom die is connected with the center frame through a lower demoulding assembly; the bottom die comprises a bottom die outer plate and a bottom die end plate; the bottom die end plate is connected to the edge of the bottom die outer plate; the side die end plates are propped against part of the bottom die end plates and are attached to part of the bottom die end plates; the top die, the side die and the bottom die form a full ring; the bottom die end plate is inclined downwards along the direction from outside to inside, and when the side die rotates around the hinging point of the top die and the side die, the intersecting line does not interfere with the bottom die end plate.

2. The full ring lining trolley of claim 1, wherein the side form further comprises a fixed plate, the fixed plate is connected to the edge of the side form end plate away from the side form outer plate, and the fixed plate forms an included angle with the bottom form end plate; a first supporting rod is connected between the side mold outer plate and the center frame, and a second supporting rod is connected between the fixed plate and the center frame; the first support rod and the second support rod are both hinged on the same connecting support on the center frame; the connecting support is positioned below the side die, so that the first support rod and the second support rod support the side die obliquely upwards.

3. A full-loop lining device for a water conservancy tunnel, comprising:

the landing stage assembly comprises a landing stage main body and a first telescopic landing leg, and the first telescopic landing leg is arranged on the landing stage main body; the trestle body is sequentially divided into a first construction section, a second construction section and a reserved auxiliary section along the axial direction;

the full-loop-lining trolley of claim 1 or 2, further comprising a second telescoping leg mounted on a center frame; the center frame is arranged on the trestle main body through a first travelling assembly, so that the full-ring lining trolley travels between the first construction section and the second construction section;

the laying trolley comprises a laying trolley main body and a third telescopic supporting leg; the paving and hanging trolley main body is arranged on the trestle main body through a second traveling assembly, so that the paving and hanging trolley travels between the second construction section and the reserved auxiliary section; the third telescopic supporting leg is arranged on the paving trolley main body; the laying and hanging trolley is used for laying waterproof boards and hanging two lining steel bars.

4. A full ring lining apparatus for a water conservancy tunnel according to claim 3, wherein the trestle body comprises a rectangular frame structure and a walkway; the rectangular frame structure comprises two upper girders and two lower girders, wherein an upper cross beam is connected between the two upper girders, a lower cross beam is connected between the two lower girders, and the upper girders are connected with the lower girders through vertical girders; the passage pavement comprises a passage corridor, approach bridges hinged to two ends of the passage corridor, and approach bridge lifting devices; the approach bridge lifting device comprises a lifting oil cylinder, a lifting rod and a lifting beam; one end of the lifting oil cylinder is hinged with the rectangular frame structure, and the other end of the lifting oil cylinder is hinged with the lifting rod; the lifting rod is hinged with the lifting beam; the lifting beam is transversely arranged below the bridge approach and is connected with the bridge approach.

5. The full-loop lining device of a water conservancy tunnel according to claim 4, wherein two sides of the lifting beam are respectively connected with a connecting rod perpendicular to the surface of the lifting beam; a wing plate is arranged on the side surface of the approach bridge, and a through hole penetrating through the wing plate is connected to the wing plate; the connecting rod penetrates through the through hole and is connected with a limit nut; the two sides of the wing plate are respectively connected with a first spring and a second spring; the first spring is propped against the limit nut, and the second spring is propped against the lifting beam.

6. The full-loop lining apparatus for a water conservancy tunnel according to claim 3, wherein the paving trolley body comprises a paving trolley bracket, annular guide rails respectively installed at two ends of the paving trolley bracket, and a moving assembly; the moving assembly comprises a laying trolley which is respectively and movably arranged on the two annular guide rails, and a rotating shaft for installing a coiled waterproof board is rotatably arranged on the laying trolley; a movable rod is connected between the two paving and hanging trolleys, a plurality of telescopic supporting rods which are arranged along the length direction of the movable rod are arranged on the movable rod, and a waterproof plate pinch roller or a steel bar bending chuck is detachably connected to the telescopic supporting rods.

7. The full-loop lining device of the water conservancy tunnel according to claim 6, wherein the paving trolley is provided with travelling wheels, and the paving trolley drives the travelling wheels to roll when moving along the annular guide rail; the middle part of the movable rod is provided with a sliding groove extending along the length direction of the movable rod, the telescopic supporting rod is connected with a sliding block, and the sliding block is slidingly arranged in the sliding groove along the extending direction of the sliding groove; a travelling wheel is connected with a telescopic supporting rod through a driving piece, so that the telescopic supporting rod is driven to reciprocate along the sliding groove when the travelling wheel rotates.

8. The full ring lining apparatus of water conservancy tunnel of claim 7, wherein the driving member comprises a first spherical hinge support installed on the travelling wheel, a second spherical hinge support installed on the telescopic stay, and a spherical hinge rod; one end of the spherical hinge rod is connected with a first small ball, and the other end of the spherical hinge rod is connected with a second small ball; the first small ball is connected with the first spherical hinge support to form a first spherical pair, and the second small ball is connected with the second spherical hinge support to form a second spherical pair; the telescopic supporting rods are connected through serial rods.

9. The full ring lining apparatus of a hydraulic tunnel of claim 8, wherein the bar bending clamp comprises a clamp ring for receiving a bar therethrough, and a first dismounting rod connected to the clamp ring, the first dismounting rod being detachably connected to the telescopic strut.

10. A method of constructing a water conservancy tunnel using the full-loop lining apparatus as claimed in any one of claims 3 to 9, comprising the steps of:

s1, moving a full-ring lining trolley to a first construction section, and performing secondary lining pouring on the first construction section; simultaneously, the paving and hanging trolley is moved to the second construction section, so that the paving and hanging trolley traverses the whole second construction section to carry out waterproof board paving and hanging and two-lining steel bar binding on the second construction section;

s2, after the construction of the waterproof board and the two lining steel bars in the second construction section is completed, the paving and hanging trolley is moved to the reserved auxiliary section;

s3, after the secondary lining pouring of the first construction section is completed, moving the full-ring lining trolley to the second construction section;

s4, after the inverted arch concrete in the first construction section is enough in strength, enabling the first telescopic supporting leg to be shortened, the second telescopic supporting leg to be elongated and the third telescopic supporting leg to be elongated respectively, enabling the trestle assembly to form a suspension state, and enabling the lining trolley and the paving trolley to form a fixed state; after the trestle assembly moves forward by the length of one construction section;

respectively lengthening the first telescopic supporting leg, shortening the second telescopic supporting leg and shortening the third telescopic supporting leg, so that the trestle is restored to a fixed state, and the lining trolley and the paving trolley are restored to a suspended state;

s5, repeating the steps S1-S4 until pouring of the water conservancy tunnel is completed.