CN214247348U - Accurate shower nozzle device of tunnel wet blasting manipulator - Google Patents

Abstract

The utility model discloses an accurate shower nozzle device of tunnel wet blasting manipulator in the tunnel construction field, including connecting the supporting seat in the manipulator, be connected with a plurality of evenly distributed's nozzle on the supporting seat, the supporting seat side is encircleed and is equipped with rubber baffle, and rubber baffle and nozzle are located the homonymy of supporting seat. The utility model discloses can solve current concrete wet blasting machine manipulator system and adopt single sprinkler structure, the concrete spouts the layer roughness and is difficult to control, and the extravagant big problem of concrete can effectively reduce the waste of shotcrete, and the accurate control concrete injection volume improves the roughness of shotcrete surface through forming the face form injection, ensures that the injection thickness is up to standard, raises the efficiency, has improved the economic benefits of construction.

Description

Accurate shower nozzle device of tunnel wet blasting manipulator

Technical Field

The utility model relates to a tunnel construction field, concretely relates to accurate shower nozzle device of tunnel wet blasting manipulator.

Background

In the tunnel construction process, in order to control the stress of surrounding rocks to be properly released and deformed, the structural safety degree is increased, the construction is convenient, and a structural layer which has smaller rigidity and is used as a part of a permanent bearing structure is constructed immediately after the tunnel is excavated and is called primary support. The primary support mostly adopts an anchor spraying net structure, and comprises the steps of firstly spraying concrete to the surface of surrounding rock by using a spraying machine to complete primary spraying, and then constructing an anchor rod, a steel frame and a reinforcing mesh as supports and then carrying out secondary spraying. The spraying of concrete is mainly wet spraying, namely, aggregate, cement and water are mixed and then an accelerator is added and sprayed onto the rock surface of the tunnel wall by a spraying machine. The wet spraying machine for spraying concrete mainly comprises a chassis, a traveling mechanism, a power system, a concrete conveying system, an accelerator system, a cleaning system, a hydraulic system, an electric control system, a cab, a manipulator system and other functional parts, wherein the manipulator system is used as an execution structure for spraying concrete and comprises a manipulator with multi-angle movable adjustment, and a spray head is connected to the manipulator through a pipeline. But current wet blasting machine is single shower nozzle structure, only is equipped with an open independent nozzle, and the injection of concrete appears beaming radiatively in the use, and the concrete of center is concentrated to be sprayed, but the spray surface is less, is difficult to control the roughness on concrete layer after spraying, and the concrete injection pressure in the outside is less, and the sputtering of everywhere drops, can not effective stroke concrete support layer, and this has caused the certain waste of concrete.

SUMMERY OF THE UTILITY MODEL

The utility model provides an accurate shower nozzle device of tunnel wet blasting manipulator to solve current concrete wet blasting machine manipulator system and adopt single sprinkler structure, concrete spout the layer roughness uncontrollable, the extravagant big problem of concrete.

In order to achieve the above purpose, the basic technical scheme of the utility model is as follows: the utility model provides an accurate shower nozzle device of tunnel wet blasting manipulator, is connected with a plurality of evenly distributed's nozzle including connecting the supporting seat on the manipulator on the supporting seat, and the supporting seat side is encircleed and is equipped with rubber baffle, and rubber baffle and nozzle are located the homonymy of supporting seat.

The principle and the advantages of the scheme are as follows: during the practical application, the supporting seat is connected on the manipulator of wet blasting machine, follows the manipulator and carries out the activity of multi-angle, and a plurality of evenly distributed's nozzle is spraying in step under the drive of wet blasting machine, is the face form with the concrete and sprays, and rubber baffle carries out the scope to the concrete beam of nozzle injection in the outside and prescribes a limit to, and the air current that cooperation nozzle injection pressure formed wraps up and carries the effective spraying of concrete on peripheral concrete granule and the middle part to tunnel cave wall country rock surface. The problem that in the prior art, the pressure applied to the peripheral concrete after the concrete is ejected from the nozzle is suddenly reduced, so that the peripheral particles of the sprayed concrete beams are sputtered all around or fall to the ground to cause a large amount of waste is effectively solved. Compared with single-nozzle cluster spraying in the prior art, the planar spraying range formed by the plurality of nozzles is larger, the spraying flatness is better, the spraying efficiency is higher, and better social and economic benefits are achieved.

Furthermore, each nozzle is connected with an electric control valve which is electrically connected with an electric control system. Preferably, each nozzle can be independently controlled through the electric control valve, each nozzle can be controlled according to the flatness condition of sprayed concrete so as to ensure the flatness of the sprayed concrete, and the spraying pressure of the nozzle can also be controlled so as to effectively finish the spraying of the concrete in high-altitude low-air-pressure areas.

Furthermore, a plurality of rubber barrier strips are integrally formed at the end part of the rubber baffle. The waste of concrete splash can be further prevented by preferably using a rubber barrier strip.

Furthermore, a laser ranging sensor is arranged on the supporting seat on the outer side of the nozzle and is in signal connection with the electric control system. The spraying thickness of the concrete on the surrounding rock can be accurately identified through the laser ranging sensor preferably, and then the spraying amount and the spraying pressure of the nozzle are accurately controlled through an electric control system of the wet spraying machine, so that the thickness and the flatness of the sprayed concrete can meet the design and specification requirements.

Further, the rubber baffle comprises a bottom plate and a panel which is connected to the bottom plate in a sliding mode. The rubber baffle forms a telescopic structure preferably, so that the sputtering of concrete can be controlled conveniently according to needs, and the waste of sprayed concrete can be reduced.

Furthermore, all be equipped with a plurality of jacks on bottom plate and the panel, wear to be equipped with the pin pole in the jack. The telescopic control of the bottom plate and the panel is realized simply and effectively through the use of the jacks and the pin rods as the optimization, the operation can be carried out conveniently and effectively on the construction site with complex environment, and the waste of concrete spraying can be controlled conveniently and efficiently.

Furthermore, the number of the nozzles is four, the supporting seat is in a rectangular plate shape, and the four nozzles are distributed on the supporting seat in a matrix shape. Preferably, the sprayed concrete is more uniform and more efficient, and the economic benefit is better improved.

Furthermore, a laser ranging sensor is correspondingly arranged on the outer side of each nozzle. As the optimization, the concrete spraying condition of each nozzle spraying range can be accurately identified and detected, so that the spraying quality of the concrete can be accurately regulated and controlled, and the flatness of the sprayed concrete is guaranteed. The laser distance measuring device can also prevent the manipulator from colliding with the outside barrier, the barrier is identified by measuring the distance, and the manipulator is controlled by the electric control system to automatically avoid.

Drawings

FIG. 1 is a side view of the whole body of the embodiment of the present invention after being connected with a robot;

FIG. 2 is a side view of the support base in the embodiment of the present invention;

fig. 3 is a front view of the supporting seat in the embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a manipulator 1, a supporting seat 2, a bottom plate 3, a panel 4, a rubber barrier strip 5, a jack 6, an electric control valve 7, a nozzle 8 and a laser ranging sensor 9.

The embodiment is basically as shown in the attached figures 1 and 2: the utility model provides an accurate shower nozzle device of tunnel wet blasting manipulator, includes that spherical hinge connects the rectangular plate shape supporting seat 2 on manipulator 1, combines fig. 3 to show, and bolted connection has four evenly distributed's nozzle 8 on supporting seat 2, and every nozzle 8 all is connected with electrical valve 7, and electrical valve 7 is connected with the electrical system electricity of wet blasting machine. 2 sides of supporting seat encircle and are equipped with rubber baffle, and rubber baffle and 2 screw connections of supporting seat, the tip integrated into one piece that rubber baffle deviates from supporting seat 2 have a plurality of rubber blend stops 5, and rubber baffle and nozzle 8 are located the homonymy of supporting seat 2. Rubber baffle includes bottom plate 3 and sliding connection panel 4 on bottom plate 3, all is equipped with a plurality of jacks 6 on bottom plate 3 and the panel 4, wears to be equipped with the pin pole in jack 6, and rubber blend stop 5 is located panel 4.

The supporting seat 2 outside the nozzles 8 is provided with a laser ranging sensor 9, the outside of each nozzle 8 is correspondingly provided with a laser ranging sensor 9, and the laser ranging sensors 9 are in signal connection with an electric control system of the wet spraying machine. Each nozzle 8 is in communication with the concrete delivery system of the wet-blasting machine. In this embodiment, the laser distance measuring sensor 9 is preferably a pulse type laser distance measuring sensor, and products of different manufacturers on the market can be purchased according to actual needs in specific models, for example, domestic laser distance measuring sensors with a model of JGS-30D are sold on the market.

The specific implementation process is as follows: when the primary support construction of the tunnel wall is carried out, the wet spraying machine conveys concrete to each nozzle 8, the manipulator 1 moves under the control of the electric control system to enable the supporting seat 2 to face the surface of the surrounding rock of the tunnel wall, the nozzles 8 and the surface of the surrounding rock are kept in the right-angle distribution, and the wet spraying machine provides pressure to spray the concrete mixed with the accelerating agent to the surrounding rock from the nozzles 8. The concrete that sprays the in-process of concrete from 8 spun of nozzle receives the restriction of rubber baffle, and the rubber baffle makes 8 air currents that jet pressure of nozzle formed wrap the outside at the concrete beam of spouting, reduces the sputtering of peripheral concrete extravagant, and the extravagant effect of concrete is avoided in further improvement of the last rubber blend stop 5 of rubber baffle. The laser ranging sensor 9 in the 8 outsides of spray nozzle among the shotcrete process detects the thickness of surrounding rock surface shotcrete to through give the electrical system of wet shotcrete machine with data signal transmission, and then electrical system's steerable spray nozzle 8 electric control valve 7 control injection pressure or jet volume, and then the concrete jet volume on accurate control surrounding rock surface, four spray nozzles 8 spray simultaneously and form planar shotcrete coverage, and then improve the roughness of surrounding rock surface shotcrete. When the device is used for construction in areas with different altitudes and air pressures, the spraying pressure can be controlled according to the air pressure, the sprayed concrete can be stably and reliably attached to the surface of surrounding rocks, and the device is suitable for construction in low-air-pressure areas such as plateaus. Generally, adopt such shower nozzle device to carry out tunnel wet blasting operation, can effectively reduce the waste of shotcrete, accurate control concrete injection volume improves shotcrete surface's roughness through forming the face form and sprays, ensures that spray thickness is up to standard, raises the efficiency, has improved the economic benefits of construction.

The technical scheme of the embodiment can be used for spraying mortar besides being used for spraying concrete, and the multifunctional use of the technical scheme is realized by controlling the flow of the nozzle 8.

The foregoing is merely an example of the present invention and common general knowledge in the art of known specific structures and/or features has not been set forth herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (8)

1. The utility model provides an accurate shower nozzle device of tunnel wet blasting manipulator which characterized in that: including connecting the supporting seat on the manipulator, be connected with a plurality of evenly distributed's nozzle on the supporting seat, the supporting seat side is encircleed and is equipped with rubber baffle, and rubber baffle and nozzle are located the homonymy of supporting seat.

2. The accurate nozzle device of tunnel wet blasting manipulator of claim 1, characterized in that: each nozzle is connected with an electric control valve which is electrically connected with an electric control system.

3. The accurate nozzle device of tunnel wet blasting manipulator of claim 1, characterized in that: the end part of the rubber baffle is integrally formed with a plurality of rubber barrier strips.

4. The accurate nozzle device of tunnel wet blasting manipulator of claim 1, characterized in that: and a laser ranging sensor is arranged on the supporting seat outside the nozzle and is in signal connection with an electric control system.

5. The accurate nozzle device of tunnel wet blasting manipulator of claim 1, characterized in that: the rubber baffle comprises a bottom plate and a panel connected to the bottom plate in a sliding mode.

6. The accurate nozzle device of tunnel wet blasting manipulator of claim 5, characterized in that: and a plurality of jacks are arranged on the bottom plate and the panel, and pin rods are arranged in the jacks in a penetrating manner.

7. The accurate nozzle device of tunnel wet blasting manipulator of claim 1, characterized in that: the number of the nozzles is four, the supporting seat is in a rectangular plate shape, and the four nozzles are distributed on the supporting seat in a matrix shape.

8. The accurate nozzle device of tunnel wet blasting manipulator of claim 4, characterized in that: and a laser ranging sensor is correspondingly arranged on the outer side of each nozzle.

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