CN221096519U - Construction device for blowing sand to backfill thin soft rock tunnel collapse cavity - Google Patents

Abstract

The utility model discloses a construction device for blowing sand to backfill a thin layer-shaped soft rock tunnel collapse cavity, which belongs to the technical field of tunnel blowing sand backfill and comprises an engineering vehicle, wherein a filter box is fixed at one end of the engineering vehicle, a filter screen is arranged at one side in the filter box, and the filter screen is obliquely fixedly connected with the filter box. Through setting up rose box, filter screen, bottom plate, first base, electric putter and second base, cancel the filter screen of pipeline department, then make mortar enter into the rose box in carrying the in-process and filter through the filter screen, and the filter screen is the slope form and can lead filterable stone and sand ball to the bottom plate department, drive the bottom plate through first base through electric putter on the second base after carrying to rotate, and then make accumulational stone and sand ball discharge, need not manual cleaning, and stone and sand ball pile up the cross section that can not reduce the pipeline in one side in the rose box, thereby guarantee to blow sand pressure and backfill quality.

Description

Construction device for blowing sand to backfill thin soft rock tunnel collapse cavity

Technical Field

The utility model relates to the technical field of sand blowing and backfilling of tunnels, in particular to a construction device for blowing and backfilling thin-layer soft rock tunnel collapse cavities.

Background

Tunnels are engineering structures buried in an underground formation, a form of human use of underground space. Tunnels can be classified into traffic tunnels, hydraulic tunnels, municipal tunnels, mine tunnels, and military tunnels.

The collapse of vault in soft rock tunnel can form a collapse cavity, pumping sand or fly ash by pumping pipe is used to fill the collapse cavity in construction, sand blowing backfill is to convey ready-mixed mortar by pipeline pump, enter pipeline to reach filling wall, but when the excavated area is far away from the soil taking place, the sand is needed to be conveyed by relay pump, during transportation, high pressure continuously impacts pipe wall due to stone and sand ball in mortar, when the stone and sand ball pass through relay pump, damage to pump body is caused, and work of relay pump is affected,

In order to solve the problem that the stones and the sand balls can damage the pipeline and the relay pump, a layer of filter screen is usually added at the pipe orifice, but stones and the sand balls can be accumulated at the filter screen, so that the cross section of the pipeline is continuously reduced, the sand blowing pressure and the backfilling quality are affected, and manual regular cleaning is needed.

Disclosure of utility model

The utility model mainly aims to provide a construction device for blowing sand to backfill a thin layer-shaped soft rock tunnel collapse cavity.

The aim of the utility model can be achieved by adopting the following technical scheme:

The utility model provides a blow construction equipment of thin layer form soft rock tunnel cavity that collapses of husky backfill, includes the machineshop car, machineshop car one end is fixed with the rose box, one side installation filter screen in the rose box, the filter screen be the slope form with rose box fixed connection, the rose box bottom is close to filter screen bottom one side rotates connecting bottom plate, bottom plate bottom symmetry is fixed with first base, rotate on the first base and be connected with electric putter, electric putter one end rotates and is connected with the second base, the second base with machineshop car bolted connection.

Preferably, an output pipe is installed on one side of the filter box, the output pipe penetrates through the filter box, and the output pipe is welded with the filter box.

Preferably, an operation panel is installed on one side of the engineering truck, and the operation panel is electrically connected with the electric push rod.

Preferably, a charging basket is fixed on one side of the top of the engineering truck, and a filter plate is fixed on the upper part in the charging basket.

Preferably, a connecting pipe is installed at the bottom of the charging basket, and the connecting pipe is connected with the charging basket flange.

Preferably, a sand blasting pump is installed at one end of the connecting pipe, the sand blasting pump is in flange connection with the connecting pipe, and the charging basket is connected with the sand blasting pump through the connecting pipe.

Preferably, a spray pipe is arranged on one side of the sand blasting pump, the spray pipe is of an inclined structure, and one end of the spray pipe penetrates through the top wall of the filter box.

The beneficial technical effects of the utility model are as follows:

According to the utility model, the filter screen at the pipeline is canceled by arranging the filter box, the filter screen, the bottom plate, the first base, the electric push rod and the second base, then mortar enters the filter box to be filtered by the filter screen in the conveying process, the filter screen is inclined, so that filtered stones and sand balls can be guided to the bottom plate, after conveying is finished, the electric push rod on the second base drives the bottom plate to rotate by the first base, further, accumulated stones and sand balls are discharged, manual cleaning is not needed, and the cross section of the pipeline is not reduced when stones and sand balls are accumulated at one side in the filter box, so that sand blowing pressure and backfilling quality are ensured.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a construction apparatus for sand-blown backfilling of thin-layer soft rock tunnel collapse cavities according to the present utility model;

FIG. 2 is a front cross-sectional view of a filter box in a preferred embodiment of a construction apparatus for sand-blown backfilling of thin-layer soft rock tunnel collapse cavities in accordance with the present utility model;

Fig. 3 is a schematic diagram of connection relation among a first base, an electric push rod and a second base in a preferred embodiment of a construction device for blowing sand to backfill a thin layer-shaped soft rock tunnel collapse cavity according to the present utility model.

The reference numerals are explained as follows:

1. Engineering vehicle; 2. a filter box; 3. a filter screen; 4. an output pipe; 5. a bottom plate; 6. a first base; 7. an electric push rod; 8. a second base; 9. an operation panel; 10. a charging barrel; 11. a filter plate; 12. a connecting pipe; 13. a sand-blasting pump; 14. a spray pipe.

Description of the embodiments

In order to make the technical solution of the present utility model more clear and obvious to those skilled in the art, the present utility model will be described in further detail with reference to examples and drawings, but the embodiments of the present utility model are not limited thereto.

As shown in fig. 1-3, the construction device for the thin layer soft rock tunnel collapse cavity of sand-blowing backfill provided by the embodiment comprises an engineering vehicle 1, wherein one end of the engineering vehicle 1 is fixedly provided with a filter box 2, one side in the filter box 2 is provided with a filter screen 3, the filter screen 3 is fixedly connected with the filter box 2 in an inclined manner, the bottom of the filter box 2 is close to one side of the bottom of the filter screen 3 and is rotationally connected with a bottom plate 5, the bottom of the bottom plate 5 is symmetrically fixed with a first base 6, the first base 6 is rotationally connected with an electric push rod 7, one end of the electric push rod 7 is rotationally connected with a second base 8, the second base 8 is in bolted connection with the engineering vehicle 1, the filter screen 3 at a pipeline is removed, mortar is then introduced into the filter box 2 to be filtered through the filter screen 3 in the conveying process, the filter screen 3 is in an inclined manner, and filtered stones and sand balls can be conveyed to the bottom plate 5 through the electric push rod 7 on the second base 8 after conveying is completed, and the bottom plate 5 is driven to rotate through the first base 6, so that piled stones and sand balls are not required to be discharged, and sand balls are piled up on one side of the filter box 2, and the cross section of the pipeline is not reduced.

An output pipe 4 is arranged on one side of the filter tank 2, the output pipe 4 penetrates through the filter tank 2, the output pipe 4 is welded with the filter tank 2, and filtered mortar can enter an external pumping pipe through the output pipe 4 for sand blasting.

An operation panel 9 is arranged on one side of the engineering truck 1, the operation panel 9 is electrically connected with the electric push rod 7, and workers can conveniently use the operation panel 9 to control the electric push rod 7 to work.

The charging basket 10 is fixed with on one side of the engineering truck 1 top, and the upper side is fixed with filter plate 11 in the charging basket 10, can make outside material car carry mortar to in the charging basket 10, then filters wherein large diameter stone through filter plate 11.

The connecting pipe 12 is installed at the bottom of the charging basket 10, and the connecting pipe 12 is in flange connection with the charging basket 10, so that mortar in the charging basket 10 can be conveyed through the connecting pipe 12.

The sand-blasting pump 13 is installed to connecting pipe 12 one end, and sand-blasting pump 13 and connecting pipe 12 flange joint, and storage bucket 10 and sand-blasting pump 13 pass through connecting pipe 12 and link to each other, can make sand-blasting pump 13 draw the mortar in the storage bucket 10 through connecting pipe 12.

A spray pipe 14 is arranged on one side of the sand blasting pump 13, the spray pipe 14 is of an inclined structure, one end of the spray pipe 14 penetrates through the top wall of the filter tank 2, and the sand blasting pump 13 can convey mortar into the filter tank 2 through the spray pipe 14.

The working principle of the device is as follows: when the device is specifically used, a worker moves the device to a station through the engineering truck 1, an external material truck conveys mortar into the charging basket 10, then large-diameter stones therein are filtered through the filter plate 11, the sand injection pump 13 pumps the mortar filtered in the charging basket 10 through the connecting pipe 12, the mortar is conveyed into the filter box 2 through the spray pipe 14 and filtered through the filter screen 3, the filter screen 3 is inclined and can guide the filtered stones and sand balls to the bottom plate 5, the bottom plate 5 is driven to rotate through the first base 6 through the electric push rod 7 on the second base 8 after conveying is finished, further, the piled stones and sand balls are discharged, manual cleaning is not needed, and the stones and the sand balls are piled on one side in the filter box 2 and can not reduce the cross section of a pipeline, so that the sand blowing pressure and backfilling quality are ensured.

The above is merely a further embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present utility model within the scope of the present utility model disclosed in the present utility model.

Claims (7)

1. The utility model provides a construction equipment of thin layer form soft rock tunnel cavity that collapses is backfilled to blowing sand which characterized in that: including engineering truck (1), engineering truck (1) one end is fixed with rose box (2), one side installation filter screen (3) in rose box (2), filter screen (3) be the slope form with rose box (2) fixed connection, rose box (2) bottom is close to filter screen (3) bottom one side rotates connecting plate (5), bottom plate (5) bottom symmetry is fixed with first base (6), it is connected with electric putter (7) to rotate on first base (6), electric putter (7) one end rotates and is connected with second base (8), second base (8) with engineering truck (1) bolted connection.

2. The construction device for blowing sand to backfill the thin layer soft rock tunnel collapse cavity according to claim 1, wherein the construction device comprises: an output pipe (4) is arranged on one side of the filter box (2), the output pipe (4) penetrates through the filter box (2), and the output pipe (4) is welded with the filter box (2).

3. The construction device for blowing sand to backfill the thin layer soft rock tunnel collapse cavity according to claim 2, wherein: an operation panel (9) is arranged on one side of the engineering vehicle (1), and the operation panel (9) is electrically connected with the electric push rod (7).

4. A construction device for blowing sand to backfill a thin layer soft rock tunnel collapse cavity according to claim 3, which is characterized in that: a charging basket (10) is fixed on one side of the top of the engineering vehicle (1), and a filter plate (11) is fixed above the charging basket (10).

5. The construction device for blowing sand to backfill the collapsed cavity of the lamellar soft rock tunnel according to claim 4, wherein the construction device comprises: a connecting pipe (12) is arranged at the bottom of the charging basket (10), and the connecting pipe (12) is in flange connection with the charging basket (10).

6. The construction device for blowing sand to backfill the collapsed cavity of the lamellar soft rock tunnel according to claim 5, wherein the construction device comprises: the sand blasting device is characterized in that a sand blasting pump (13) is arranged at one end of the connecting pipe (12), the sand blasting pump (13) is connected with the connecting pipe (12) in a flange mode, and the charging basket (10) is connected with the sand blasting pump (13) through the connecting pipe (12).

7. The construction device for blowing sand to backfill the collapsed cavity of the lamellar soft rock tunnel according to claim 6, wherein the construction device comprises: a spray pipe (14) is arranged on one side of the sand blasting pump (13), the spray pipe (14) is of an inclined structure, and one end of the spray pipe (14) penetrates through the top wall of the filter tank (2).