CN218716842U - Tunnel lining anti-hollowing integrated system - Google Patents
Tunnel lining anti-hollowing integrated system Download PDFInfo
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- CN218716842U CN218716842U CN202223139654.1U CN202223139654U CN218716842U CN 218716842 U CN218716842 U CN 218716842U CN 202223139654 U CN202223139654 U CN 202223139654U CN 218716842 U CN218716842 U CN 218716842U
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Abstract
The utility model provides a tunnel lining anticreep sky integrated system relates to tunnel technical field. The utility model provides a tunnel lining anti-disengaging integrated system, includes the lining cutting platform truck, and lining cutting platform truck top is equipped with the installation roof, and the installation roof is equipped with a plurality of windows of pouring and vibrates the window, and the installation roof is equipped with a plurality of concrete vibrators. Adopt the utility model discloses, it can avoid tunnel lining to take off the sky, owe thick, owe main defects such as closely knit, ensures lining concrete entity quality, stops later stage defect remediation and lining cutting and reworks.
Description
Technical Field
The utility model relates to a tunnel technical field particularly, relates to a tunnel lining anti-disengaging integrated system.
Background
The traditional lining concrete pumping, pouring and distributing process needs a plurality of workers to cooperate to dismantle, replace, move and wash the pump pipe for a plurality of times, and has low production efficiency, high labor intensity and limited operation space. One-window concrete hole distribution material or directly pour to the end from two windows, three-window hole distribution material, even vault one hole, and the phenomenon such as automatically flow paves takes place occasionally, leads to quality safety hidden danger such as concrete intensity is not enough, vault is vacated, hoop construction joint concrete is not closely knit, and the later stage takes place huge tunnel defect remediation expense. In order to block the lining reworking and the 'bleeding hole' of the later-stage defect correction, the labor intensity of tunnel lining construction operation must be reduced, the artificial subjective uncontrollable factors are reduced, and the lining concrete construction quality is ensured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tunnel lining anticreep is empty synthesizes system, it can avoid tunnel lining to take off the sky, owe thick, owe main defects such as closely knit, ensures lining concrete entity quality, stops later stage defect renovation and lining cutting rework.
The embodiment of the utility model is realized like this:
the embodiment of the application provides a tunnel lining anticreep is empty to synthesize system, including the lining cutting platform truck, lining cutting platform truck top is equipped with the installation roof, and the installation roof is equipped with a plurality of windows of pouring and vibrates the window, and the installation roof is equipped with a plurality of concrete vibrators.
Further, in some embodiments of the present invention, the concrete vibrator includes a plurality of insertion-type vibrators installed on the installation top plate.
Further, in some embodiments of the present invention, the concrete vibrator includes a plurality of attachment vibrators mounted on the mounting top plate.
Further, in some embodiments of the present invention, the concrete vibrator includes a plurality of pneumatic vibrators installed on the installation top plate.
Further, in some embodiments of the present invention, the number of the installation top plates is plural and the installation top plates are sequentially connected together.
Further, in some embodiments of the present invention, the installation top plate is arched.
Furthermore, in some embodiments of the present invention, the lining trolley is provided with a distributed compaction sensor.
Further, in some embodiments of the utility model, 3 layers are arranged respectively on the left side and the right side that above-mentioned window of pouring and the window of vibrating are located the lining cutting platform truck.
Further, in some embodiments of the present invention, each of the layers includes 4 pouring windows and 4 vibrating windows.
Further, in some embodiments of the present invention, the lining trolley is provided with a concrete spreader.
Compared with the prior art, the embodiment of the utility model provides a have following advantage or beneficial effect at least:
an embodiment of the utility model provides a tunnel lining anti-disengaging integrated system, including the lining cutting platform truck, lining cutting platform truck top is equipped with the installation roof, and the installation roof is equipped with a plurality of windows of building and the window of vibrating, and the installation roof is equipped with a plurality of concrete vibrators.
The method can avoid main defects of tunnel lining void, lack of thickness, lack of compactness and the like, ensure the quality of the lining concrete entity, and avoid defect remediation and lining reworking in the later period.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a front view of a lining trolley provided by an embodiment of the present invention;
fig. 2 is a top view of the lining trolley provided by the embodiment of the present invention.
Icon: 1-lining trolley; 2, installing a top plate; 3, pouring a window; 4-vibrating the window; 5-plug-in vibrator; 6-attachment vibrator; 7-pneumatic vibrator.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not require that the components be absolutely horizontal or vertical, but may be slightly inclined. Such as "horizontal" simply means that its orientation is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
Referring to fig. 1-2, the embodiment provides a tunnel lining anti-void integrated system, which includes a lining trolley 1, a mounting top plate 2 is disposed on the top of the lining trolley 1, the mounting top plate 2 is provided with a plurality of pouring windows 3 and vibrating windows 4, and the mounting top plate 2 is provided with a plurality of concrete vibrators. The lining trolley 1 is provided with a concrete spreader.
The concrete vibrator includes a plurality of insertion-type vibrators 5, an attachment-type vibrator 6, and a pneumatic vibrator 7, which are provided on the installation top plate 2. The number of the installation top plates 2 is multiple and the installation top plates 2 are connected together in sequence, and the installation top plates 2 are arched. Pouring windows 3 and vibrating windows 4 are located on the left side and the right side of the lining trolley 1 and are respectively arranged in 3 layers, and each layer respectively comprises 4 pouring windows 3 and vibrating windows 4.
When the concrete is actually used, the slump of the concrete of the lining side wall is 160-200 mm, the maximum particle size of the aggregate is 31.5mm, the materials are fed layer by layer window, the layer thickness is controlled according to 0.5m, and the left side and the right side of the concrete are symmetrically poured; and sequentially capping the vault pouring from the poured section to the non-poured section. The distance between the first pouring hole and the lap joint end is 75cm, the lining trolley 1 is radially arranged, pouring is carried out from the first pouring window 3 (in the process, a person specially observes the fullness of feeding), capping is sequentially carried out, and the slump of capping concrete is 180-220 mm. The two lining concrete is vibrated by different vibration modes aiming at different parts.
Mainly uses an inserted vibrator 5 for vibration and an attached vibrator 6 for assistance; the vibrating operation is divided into a region for people to settle the post, and the post is hung. Pneumatic vibrators 7 are installed at both ends of the lining trolley 1. The inserted vibrator 5 adopts a vibrating rod with the diameter of 50mm, the pouring window 3 and the vibrating window 4 are used for vibrating, and the vibration of each window is carried out until no air bubbles appear on the surface of the concrete; each side of an attached vibrator 6 (2.2 KW) side wall is provided with 3 (4 rows), and each layer of window vibrates for 10s. The arch part 2 rows of attached vibrators 6 (1.5 kW) are arranged 4 by 4, and the vibration time is 15-20 s.
The existing construction examples are as follows: at present, a newly-built self-tribute to Yibin line ZYZQ-3 standard of a south city boundary railway in Sichuan is cast with 662m lining, and the coring strength is completely qualified after the defects of self-inspection, three-inspection, special construction inspection, random nondestructive inspection, entity sampling inspection and the like are overcome; internal and external supervision and inspection and special supervision of red lines of the national iron group are all qualified in random coring strength.
The technology effectively improves the quality control level of the tunnel lining concrete entity and obviously improves the appearance quality of the lining concrete. The main defects of tunnel lining void, lack of thickness, lack of compactness and the like can be avoided, the quality of the lining concrete entity is ensured, and later-stage defect repair and lining rework are avoided.
The concrete spreader adopts the existing product, for example adopts the concrete layering spreader.
The working principle of the concrete layering distributing machine is as follows:
the concrete layering distributing machine adopts a form of combining a distributing trolley and a pumping pipeline. The distribution trolley can longitudinally travel to change positions, swing left and right to distribute flow and lift up and down to align to complete automatic switching and butt joint of the pumping pipelines, and the concrete is distributed to a required position. The concrete layering distributing machine adopts a closed pipeline conveying mode, combines a distributing rod and a distributing vehicle on a distributing distribution trolley, and realizes the construction equipment for light, convenient and fast layering and pouring of concrete through an intelligent control system.
The layered concrete distributor consists of concrete conveying pipeline, distributing vehicle, distributing rod, hydraulic system, electric system and other parts.
(1) The pipeline consists of a feeding pipeline and a layered discharging pipeline, the feeding pipeline is paved to the upper part of the portal from the end part of the lining trolley 1, the continuity of the concrete conveying pipeline in the walking process of the distributing trolley is realized by arranging a folding pipeline, and then the concrete conveying pipeline is connected with a distributing rod on the distributing trolley; the layered discharge pipeline distributes pipelines to each layer of window, and the feeding ports are arranged in a centralized mode through the pump pipe mounting rack.
(2) And a material distribution trolley track, wherein the material distribution trolley track is arranged in a space between the upper part of the bracket of the lining trolley 1 and the template.
(3) The material distribution vehicle comprises components required by the tube replacement action of the whole layered pouring, and is provided with a walking driving hydraulic motor, a material distribution rod, a hydraulic system, an electric system and the like.
(4) The distributing rod consists of a guide post, a guide sleeve, a telescopic oil cylinder, a rotary seat, a rotary driving device and a pumping pipeline. The cloth rod adopts a telescopic structure formed by combining guide columns and guide sleeves, is driven to stretch by a hydraulic oil cylinder, has a telescopic stroke of 300mm, can rotate and swing for 180 degrees along the circumferential direction of the tunnel through a rotary driving device, and realizes the quick butt joint of a concrete feeding pipe and a feeding interface which is arranged in a centralized manner.
When the lining concrete is poured by the lining concrete forced layering distributing machine, the lining concrete is poured by layering and by windows, the maximum falling height of the concrete is not more than 2m, the height difference of the front concrete and the rear concrete of the trolley is not more than 0.6m, and the height of the left concrete and the right concrete is not more than 0.5m; a special tamping window is additionally arranged to protect the three windows and the concrete below the three windows from fully vibrating; and parameters such as the height of the operation and observation platform are adjusted, so that the operation of a human body is facilitated. The construction efficiency is greatly improved, the concrete lining quality is ensured, the benefit is improved, and the cost is reduced.
The concrete pouring forced layering window-by-window pouring process comprises the following steps:
1. after the concrete tank car is in place, connecting a distribution system pipeline to the trailer pump, and aligning a first pouring bell mouth;
2. starting a pumping switch, wetting each pipeline of the material distributor with water to ensure that the pipe wall is wetted, and then wetting the pipe with mortar;
3. closing a pumping switch, unloading the concrete into the trailer pump and stirring;
4. a feeding port of a telescopic rotating device of the concrete spreader is aligned and locked with a feeding bell mouth of a front end working window of a first layer on the right side of the lining trolley 1;
5. starting a pumping switch, adjusting the pumping speed and starting pumping the concrete;
6. when the pouring height of the second lining concrete is about 500mm, lubricating a feeding pipeline of a first layer rear end working window on the right side of the lining trolley 1;
7. turning off a towing pump pumping switch, turning on a pump station motor of the concrete spreader and adjusting an oil cylinder to withdraw a telescopic rotating device of the concrete spreader, and cleaning a feeding bell mouth and a feeding port of the telescopic device by using cleaning cloth;
8. adjusting a rotary device to align a feeding port of a telescopic rotary device to a feeding horn port of a rear end working window of a first layer on the right side of the lining trolley 1, closing a pump station motor of a concrete distributor, starting a pumping switch, and pumping concrete.
9. When the pouring height of the second lining concrete is about 500mm, lubricating a feeding pipeline of a rear end working window of a first layer on the left side of the lining trolley 1;
10. turning off a pump-pulling switch, turning on a pump station motor of the concrete spreader and adjusting an oil cylinder to withdraw a spreader telescopic rotating device, and cleaning a feed horn mouth and a feed inlet of the telescopic device by using cleaning cloth;
11. and adjusting the material distribution trolley and the rotating device to align the material inlet of the telescopic device to the material inlet bell mouth of the rear end working window of the first layer on the left side of the lining trolley 1, closing a pump station motor of the concrete material distribution machine, starting a pumping switch and pumping concrete.
12. When the pouring height of the second lining concrete is about 500mm, lubricating a feeding pipeline of a front end working window of a first layer on the left side of the lining trolley 1;
13. turning off a pump-pulling switch, turning on a pump station motor of the concrete spreader and adjusting an oil cylinder to withdraw a spreader telescopic rotating device, and cleaning a feed horn mouth and a feed inlet of the telescopic device by using cleaning cloth;
14. adjusting a rotary device to align a feeding port of a telescopic rotary device to a feeding bell mouth of a front end working window of a first layer on the left side of the lining trolley 1, closing a pump station motor of the distributing machine, starting a pumping switch and starting pumping concrete.
15. Repeating the steps 4-14 to pour the front three layers of the feed materials layer by layer from right to left and from bottom to top, ensuring that the left-right height difference of the second lining concrete is not more than 500mm in the pumping process, wetting the pipes of the pipelines which are not poured temporarily in advance to prevent the pipes from being blocked, cleaning the bell mouths of the poured pump pipes by using cleaning cloth to prevent the sealing from not being tight when pouring again, and cleaning and closing the working windows after pouring of each layer of the pipelines; the casting speed is not more than 0.8m/h when the position below the casting waist line is cast, and the casting speed is not more than 1m/h when the position above the casting waist line is cast.
As shown in fig. 1-2, in some embodiments of the present invention, lining trolley 1 is provided with a distributed compaction sensor. The distributed compaction sensor is arranged between the geotextile and the waterproof plate and at the center of the arch part, and only displays a red light when the concrete does not generate pressure; when the concrete generates pressure, the green light of the distributed compaction sensor is on. Therefore, whether the tunnel lining is empty can be judged through the distributed compaction sensors.
The technology can effectively improve the entity quality and the appearance quality of the two-lining concrete pouring, reduce the pipe replacement construction process, reduce the labor intensity, reduce the operation personnel (the traditional pipe replacement needs 4 persons at least), save the pouring time (save the pipe replacement time for about 1-2 hours), and reduce the construction cost and the safety risk. The main effects are as follows:
(1) The hydraulic system of the concrete spreader is controlled to realize that the pumping interface changes different positions, realize the layered window-by-window concrete pouring, overcome the defects of concrete segregation, cold joint of a herringbone slope and the like caused by pouring from one hole to the bottom;
(2) The pipeline is directly communicated with the discharge port from the feed port, and an intermediate operation link is not required, so that the method is simple and easy to implement and has high efficiency;
(3) The pipelines are closed, concrete cannot leak, material waste and field pollution are avoided, pressure conveying can be realized, and cleaning is facilitated;
(4) The special vibrating window 4 and the pneumatic vibrator 7 are added, so that lining concrete can be fully tamped, and the compactness and the strength of the concrete meet the design requirements.
While the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the details of the foregoing illustrative embodiments, and that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a tunnel lining anticreep sky integrated system, includes the lining cutting platform truck, lining cutting platform truck top is equipped with installation roof, its characterized in that: the mounting top plate is provided with a plurality of pouring windows and vibrating windows and is provided with a plurality of concrete vibrators.
2. The tunnel lining anti-run-out integrated system of claim 1, wherein: the concrete vibrator comprises a plurality of plug-in vibrators arranged on the mounting top plate.
3. The tunnel lining anti-run-out integrated system of claim 1, wherein: the concrete vibrator comprises a plurality of attached vibrators arranged on the mounting top plate.
4. The tunnel lining anti-run-out integrated system of claim 1, wherein: the concrete vibrator includes a plurality of pneumatic type vibrators of locating the installation roof.
5. The tunnel lining anti-run-out integrated system of claim 1, wherein: the number of the installation top plates is multiple and the installation top plates are connected together in sequence.
6. The tunnel lining anti-run-out integrated system of claim 1, wherein: the installation top plate is arched.
7. The tunnel lining anti-run-out integrated system of claim 1, wherein: the lining trolley is provided with a distributed compaction sensor.
8. The tunnel lining anti-run-out integrated system of claim 1, wherein: and the pouring window and the vibrating window are positioned on the left side and the right side of the lining trolley and are respectively provided with 3 layers.
9. The tunnel lining anti-run-out integrated system of claim 8, wherein: each layer comprises 4 casting windows and vibrating windows.
10. The tunnel lining anti-run-out integrated system of claim 1, wherein: the lining trolley is provided with a concrete spreader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223139654.1U CN218716842U (en) | 2022-11-25 | 2022-11-25 | Tunnel lining anti-hollowing integrated system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223139654.1U CN218716842U (en) | 2022-11-25 | 2022-11-25 | Tunnel lining anti-hollowing integrated system |
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| Publication Number | Publication Date |
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| CN218716842U true CN218716842U (en) | 2023-03-24 |
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| CN202223139654.1U Active CN218716842U (en) | 2022-11-25 | 2022-11-25 | Tunnel lining anti-hollowing integrated system |
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