CN214836404U

CN214836404U - Tunnel large-mixing-amount steel slag powder spraying concrete construction equipment

Info

Publication number: CN214836404U
Application number: CN202120846685.7U
Authority: CN
Inventors: 吴初平; 任保军; 李正球; 李伟强; 黄锋武; 宋柏林; 郭旺; 熊茂林; 肖锦轩; 贺红璐
Original assignee: Hunan International Communications Economic Engineering Cooperation Co ltd
Current assignee: Hunan International Communications Economic Engineering Cooperation Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-23
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a tunnel large-doping-amount steel slag powder spraying concrete construction equipment, which belongs to the technical field of tunnel construction, and comprises a wet spraying machine and a pretreatment device, wherein the pretreatment device is connected with a wet spraying machine pipeline and comprises a first cylinder, a lifting mechanism, a tank body, an inner cylinder, a motor, an inserting shaft, a chassis and a base; the side wall of the tank body is provided with an injection material outlet, an injection material inlet and a residue outlet; the inner cylinder, the chassis and the base are all positioned in the tank body, the base is supported at the bottom of the inner cylinder and is in rotating fit with the inner cylinder, a throwing hole is formed in the inner cylinder, the motor is installed at the bottom of the tank body, the inserting shaft is used for driving the inner cylinder and the chassis to rotate synchronously, and the central axis of the inserting shaft is superposed with the central axes of the inner cylinder and the tank body; the chassis is located the inner tube, and hoist mechanism is used for driving the chassis and reciprocates, and first cylinder is used for driving the base and reciprocates. The utility model discloses can improve the construction quality who sprays the concrete with the large granule impurity filtering in the material that sprays.

Description

Tunnel large-mixing-amount steel slag powder spraying concrete construction equipment

Technical Field

The utility model relates to a tunnel construction technical field, more specifically say, it relates to a tunnel mixes volume slag powder injection concrete construction equipment greatly.

Background

The spray concrete (HPSC) is a spray process construction which takes a high-performance cement-based composite material as a basic raw material and combines spray construction and the trenchless repair requirements of submarine tunnels and underground sewage structures. The sprayed concrete (HPSC) is compounded with cement base material, superfine activating material, anticorrosive and waterproof functional additive, hydrophobic drag-reducing surface activating component, special polymer surfactant, special thixotropic agent and other material.

The traditional spraying material is directly sprayed with slurry through a wet spraying machine, but because the spraying material is transported in a long way and is long in time and passes through a plurality of devices, large-particle mortar coagulated blocks, solid impurities and the like exist in the spraying material entering the wet spraying machine, and if the impurities are not screened out, the construction quality of the sprayed concrete can be influenced, and the wet spraying machine can be damaged to a certain extent.

In view of this, the utility model provides a tunnel large-dosage slag powder sprays concrete construction equipment.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a tunnel mixes volume slag powder greatly and sprays concrete construction equipment can improve the construction quality who sprays the concrete with the large granule impurity filtering in the material that sprays.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a kind of tunnel mixes the construction equipment of the steel slag powder spray concrete greatly, including the wet blasting machine, also include the pre-treatment apparatus, the said pre-treatment apparatus is connected with said wet blasting machine pipeline, the said pre-treatment apparatus includes the first air cylinder, hoisting mechanism, tank body, inner tube, electrical machinery, insert axle, chassis and base;

the side wall of the tank body is provided with a sprayed material outlet, a sprayed material inlet and a residue outlet, the sprayed material outlet is positioned on one side of the lower part of the tank body, the residue outlet is positioned on one side of the upper part of the tank body, and the wet spraying machine is connected with the sprayed material outlet through a pipeline;

the inner cylinder, the chassis and the base are all positioned in the tank body, the base is supported at the bottom of the inner cylinder and is in rotating fit with the inner cylinder, the outer diameter of the inner cylinder is the same as the inner diameter of the tank body, a throwing hole is formed in the inner cylinder, the motor is installed at the bottom of the tank body, the lower end of the plug shaft is connected with the output shaft of the motor, the upper end of the plug shaft is used for driving the inner cylinder and the chassis to rotate synchronously, and the central shaft of the plug shaft is superposed with the central shafts of the inner cylinder and the tank body;

the chassis is located in the inner cylinder, the lifting mechanism is used for driving the chassis to move up and down, and the first air cylinder is used for driving the base to move up and down.

More preferably: the inner cylinder comprises a bottom plate and a side plate fixed at the top of the bottom plate, the throwing-out hole is formed in the side plate, and the side plate is cylindrical;

the bottom plate bottom surface has seted up the annular, the annular is the dovetail, the annular is the ring form and the centre of a circle is located on the plug spindle center pin, the base top be fixed with the sand grip of annular looks adaptation, the sand grip inlay in the annular and with annular sliding fit.

More preferably: the base is provided with a through hole for inserting the inserting shaft along the thickness direction, the bottom plate is provided with an inserting hole for inserting the inserting shaft along the thickness direction, the bottom of the base plate is provided with an inserting groove for inserting the inserting shaft, and the inserting groove, the inserting hole and the through hole are sequentially arranged from top to bottom;

the inserting shaft is rectangular, the inserting grooves and the inserting holes are rectangular and are matched with the inserting shaft, and the inserting shaft is used for being inserted into the inserting grooves, the inserting holes and the through holes so as to drive the inner cylinder and the chassis to rotate.

More preferably: the lifting mechanism comprises a second cylinder and an electromagnet, the second cylinder is fixed at the top of the tank body and comprises a piston rod, and the lower end of the piston rod of the second cylinder extends into the tank body and is fixed with the electromagnet;

the electromagnet is used for being magnetically connected with the chassis to drive the chassis to move up and down in the inner cylinder.

More preferably: the chassis is obliquely arranged, the lower side of the horizontal height of the chassis and the residue outlet are positioned on the same side of the tank body, and the chassis is in up-and-down sliding fit with the inner cylinder.

More preferably: the throwing holes are arranged in a plurality of numbers, and the throwing holes are uniformly distributed on the side plates.

To sum up, the utility model discloses following beneficial effect has: the pretreatment equipment can filter large particle impurities in the sprayed material, such as mortar coagulation blocks and the like, and then spray construction is carried out through the wet spraying machine, so that the construction quality of sprayed concrete is improved. This pretreatment equipment adopts the mode that the rotary screen removed, after spouting the material and getting into the inner tube through spouting the material, the inner tube can drive and spout the material rotation, under the centrifugal force effect, the less material that sprays of particle diameter will be through getting rid of the hole, spout the material export and get into the wet blasting machine, and the great impurity granule of particle diameter will exist temporarily in the inner tube. When foreign particles need to be discharged outwards in the inner cylinder, the chassis can be driven to move upwards by the second cylinder, so that the foreign particles in the inner cylinder are gradually moved upwards, and the foreign particles are discharged outwards through the residue outlet.

Drawings

FIG. 1 is a schematic sectional view of an embodiment, which is mainly used for embodying the structure of a pretreatment apparatus;

fig. 2 is a schematic cross-sectional view of an embodiment, which is mainly used for embodying the structure of the pretreatment apparatus.

In the figure, 1, a first cylinder; 21. a second cylinder; 22. an electromagnet; 3. a tank body; 41. a base plate; 42. a side plate; 5. throwing out holes; 6. a motor; 7. inserting a shaft; 8. a spray material outlet; 9. a spray material inlet; 10. a residue outlet; 11. a chassis; 12. a base; 13. perforating; 14. a jack; 15. a slot; 16. and (4) raised strips.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example (b): a construction device for spraying concrete by using large-dosage steel slag powder in a tunnel is shown in figures 1-2 and comprises a pretreatment device and a wet spraying machine (not shown in the figure), wherein the pretreatment device is connected with a pipeline inlet of the wet spraying machine, and is used for filtering large-particle impurities in a sprayed material, such as mortar coagulated blocks and the like, so as to ensure the spraying quality. Preferably, the pretreatment equipment comprises a first cylinder 1, a lifting mechanism, a tank body 3, an inner cylinder, a motor 6, an inserting shaft 7, a chassis 11 and a base 12. The tank body 3 is cylindrical, the side wall of the tank body is provided with an injection material outlet 8, an injection material inlet 9 and a residue outlet 10, the injection material outlet 8 is positioned on one side of the lower part of the tank body 3, the residue outlet 10 is positioned on one side of the upper part of the tank body 3, and the residue outlet 10 and the injection material outlet 8 are both positioned on the same side of the tank body 3. The injection material inlet 9 is positioned on the other side of the tank body 3 relative to the injection material outlet 8, and the level of the injection material outlet 8 is lower than that of the residue outlet 10 and higher than that of the injection material outlet 8. The wet spraying machine is connected with a spraying material outlet 8 through a pipeline, and the spraying material enters the inner cylinder through a spraying material inlet 9.

In the technical scheme, the traditional spraying material is directly sprayed by the wet spraying machine, but because the spraying material is in a long transportation path and long in time and passes through a plurality of devices, large-particle mortar coagulated blocks, solid impurities and the like exist in the spraying material entering the wet spraying machine, and if the impurities are not screened out, the construction quality of the sprayed concrete can be influenced, and the wet spraying machine can be damaged to a certain extent. Therefore the utility model discloses set up the pretreatment equipment, can be with the large granule impurity in the material that sprays, like filtering such as mortar coagulation piece, then spray the construction through the wet blasting machine again, improved the construction quality who sprays the concrete.

Referring to fig. 1-2, the inner cylinder, the chassis 11 and the base 12 are all located in the tank body 3, the base 12 is supported at the bottom of the inner cylinder and is in running fit with the inner cylinder, the outer diameter of the inner cylinder is the same as the inner diameter of the tank body 3, and the inner cylinder is provided with a throwing hole 5 for throwing the sprayed material outwards. Preferably, the inner cylinder includes a bottom plate 41 and a side plate 42 fixed to the top of the bottom plate 41, the side plate 42 is cylindrical, and the ejection hole 5 is opened in the side plate 42. Specifically, get rid of and go out hole 5 and be the circular port and axial direction and curb plate 42 thickness direction the same, it is provided with a plurality ofly to get rid of hole 5, and a plurality ofly gets rid of 5 equipartitions of hole on curb plate 42. The outer diameter of the side plate 42 is the same as the inner diameter of the can body 3 so that the side plate 42 is in close contact with the inner wall of the can body 3. The bottom surface of the bottom plate 41 is provided with a ring groove which is a dovetail groove, the ring groove is annular, the center of the ring groove is positioned on the central axis of the inserting shaft 7, and the central axis of the inserting shaft 7 is coincided with the central axes of the inner cylinder and the tank body 3. The top of the base 12 is fixed with a convex strip 16 matched with the annular groove, the convex strip 16 is embedded in the annular groove and is in sliding fit with the annular groove, and the convex strip 16 is annular and has a circle center positioned on the central shaft of the inserting shaft 7. The first cylinder 1 is located the bottom of the tank body 3 and is used for driving the base 12 to move up and down, preferably, the first cylinder 1 comprises a piston rod, and the upper end of the piston rod of the first cylinder 1 extends into the tank body 3 and is fixed with the base 12 so as to drive the base 12, the inner cylinder and the chassis 11 to move up and down integrally. The number of the first cylinders 1 is two, and the two first cylinders 1 are symmetrically arranged on two opposite sides of the inserting shaft 7.

Referring to fig. 1-2, a motor 6 is installed at the center of the bottom of a tank body 3, the lower end of an insertion shaft 7 is connected with an output shaft of the motor 6, and the upper end of the insertion shaft extends into the tank body 3 and is used for driving an inner cylinder and a chassis 11 to rotate synchronously. Chassis 11 is located the inner tube, and base 12 middle part is seted up along its thickness direction and is used for inserting axle 7 male perforation 13, and bottom plate 41 middle part is seted up along its thickness direction and is used for inserting axle 7

male jack

14, and 11 bottom centers on chassis are seted up and are used for inserting axle 7 male slot 15, and slot 15, jack 14 and perforation 13 from top to bottom set gradually. The inserting shaft 7 is rectangular, the inserting slot 15 and the inserting hole 14 are both rectangular and are matched with the inserting shaft 7, and the inserting shaft 7 is used for being inserted into the inserting slot 15, the inserting hole 14 and the through hole 13 so as to drive the inner cylinder and the chassis 11 to rotate on the base 12. The through hole 13 is circular and has a diameter larger than the length of the diagonal of the insertion shaft 7 so as to prevent the base 12 from obstructing the insertion shaft 7 from driving the inner cylinder and the chassis 11 to rotate. Chassis 11 contacts with bottom plate 41 top surface and curb plate 42 inboard respectively, and chassis 11 and curb plate 42 are sliding fit from top to bottom, and preferably, chassis 11 surface is provided with slider (not shown in the figure), and curb plate 42 inboard is seted up the spout (not shown in the figure) with slider looks adaptation, and the slider is inserted in the spout and with spout sliding fit.

Referring to fig. 1-2, the lifting mechanism is used to move the chassis 11 up and down, and preferably, the lifting mechanism includes a second cylinder 21 and an electromagnet 22. The second cylinder 21 is fixed in the top center of the tank body 3, the second cylinder 21 comprises a piston rod, and the lower end of the piston rod of the second cylinder 21 extends into the tank body 3 and is fixed with the electromagnet 22. The electromagnet 22 is used for being magnetically connected with the chassis 11 so as to drive the chassis 11 to move up and down in the inner cylinder. Specifically, the middle of the chassis 11 is provided with an iron block for magnetic connection with the electromagnet 22, and the iron block is located inside the chassis 11. The chassis 11 is arranged obliquely, the lower side of the horizontal height and the residue outlet 10 are positioned on the same side of the tank body 3, and the chassis 11 is in up-and-down sliding fit with the inner cylinder.

In above-mentioned technical scheme, this pretreatment equipment adopts the mode that the rotary screen removed, and after spouting the material and getting into the inner tube through spouting the material, the inner tube can drive and spout the material rotation, and under the centrifugal force effect, the less material that sprays of particle diameter will get into the wet blasting machine through getting rid of hole 5, spouting material export 8, and the great impurity granule of particle diameter will exist temporarily in the inner tube. When the foreign particles in the inner cylinder need to be discharged outwards, the chassis 11 can be driven by the second cylinder 21 to move upwards, so that the foreign particles in the inner cylinder are pushed to move upwards gradually, and the foreign particles are discharged outwards through the residue outlet 10.

The use process and principle are as follows: the first cylinder 1 is started to drive the base 12, the inner cylinder and the chassis 11 to integrally move downwards until the spindle passes through the through hole 13 and the jack 14 and then is completely inserted into the slot 15, at the moment, the side plate 42 moves to the position below the injection material inlet 9 and the injection material outlet 8, the injection material is exposed, the side plate 42 just corresponds to the injection material outlet 8, and the residue outlet 10 is positioned above the inner cylinder and close to the top surface of the side plate 42. After the insertion shaft 7 is inserted into the through hole 13, the insertion hole 14 and the insertion slot 15, feeding to the inner cylinder by the injection material is started, and simultaneously, the motor 6 is started, so that the inner cylinder and the chassis 11 synchronously rotate in the tank body 3. The inner cylinder and the chassis 11 rotate synchronously in the tank body 3, the injection material with smaller particle size in the inner cylinder is thrown outwards through the throwing hole 5 and the injection material, and the impurity particles with larger particle size are temporarily stored in the inner cylinder. When the foreign particles in the inner cylinder need to be discharged outwards, feeding is stopped, the motor 6 stops running, and the second air cylinder 21 is started, so that the piston rod of the second air cylinder 21 moves downwards, and the chassis 11 is sucked by the electromagnet 22. After the second cylinder 21 is magnetically connected to the chassis 11, the second cylinder 21 drives the chassis 11 to move upward, so as to push the impurity particles in the inner cylinder to gradually move upward, so that the impurity particles are discharged through the residue outlet 10.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should be construed as the scope of the present invention.

Claims

1. The utility model provides a tunnel large mixing amount slag powder sprays concrete construction equipment, includes the wet blasting machine, its characterized in that: the wet spraying machine is characterized by further comprising pretreatment equipment, wherein the pretreatment equipment is connected with an inlet pipeline of the wet spraying machine and comprises a first cylinder (1), a lifting mechanism, a tank body (3), an inner cylinder, a motor (6), an inserting shaft (7), a chassis (11) and a base (12);

the side wall of the tank body (3) is provided with a sprayed material outlet (8), a sprayed material inlet (9) and a residue outlet (10), the sprayed material outlet (8) is positioned on one side of the lower part of the tank body (3), the residue outlet (10) is positioned on one side of the upper part of the tank body (3), and the wet spraying machine is connected with the sprayed material outlet (8) through a pipeline;

the inner cylinder, the chassis (11) and the base (12) are all located in the tank body (3), the base (12) is supported at the bottom of the inner cylinder and is in running fit with the inner cylinder, the outer diameter of the inner cylinder is the same as the inner diameter of the tank body (3), a throwing hole (5) is formed in the inner cylinder, the motor (6) is installed at the bottom of the tank body (3), the lower end of the inserting shaft (7) is connected with an output shaft of the motor (6), the upper end of the inserting shaft is used for driving the inner cylinder and the chassis (11) to synchronously rotate, and the central shaft of the inserting shaft (7) is superposed with the central shafts of the inner cylinder and the tank body (3);

the chassis (11) is located in the inner cylinder, the lifting mechanism is used for driving the chassis (11) to move up and down, and the first air cylinder (1) is used for driving the base (12) to move up and down.

2. The tunnel large-dosage steel slag powder spraying concrete construction equipment as claimed in claim 1, wherein: the inner cylinder comprises a bottom plate (41) and a side plate (42) fixed to the top of the bottom plate (41), the throwing hole (5) is formed in the side plate (42), and the side plate (42) is cylindrical;

the bottom plate (41) bottom surface has been seted up the annular, the annular is the dovetail, the annular is the ring form and the centre of a circle is located insert on axle (7) the center pin, base (12) top be fixed with sand grip (16) of annular looks adaptation, sand grip (16) inlay in the annular and with annular sliding fit.

3. The tunnel large-dosage steel slag powder spraying concrete construction equipment as claimed in claim 2, wherein: the base (12) is provided with a through hole (13) for inserting the inserting shaft (7) along the thickness direction, the bottom plate (41) is provided with an inserting hole (14) for inserting the inserting shaft (7) along the thickness direction, the bottom of the chassis (11) is provided with an inserting groove (15) for inserting the inserting shaft (7), and the inserting groove (15), the inserting hole (14) and the through hole (13) are sequentially arranged from top to bottom;

insert axle (7) and be the rectangle, slot (15), jack (14) are the rectangle and with insert axle (7) looks adaptation, insert axle (7) and be used for inserting and establish in slot (15), jack (14) and perforation (13), in order to drive the inner tube with chassis (11) rotate.

4. The tunnel large-dosage steel slag powder spraying concrete construction equipment as claimed in claim 3, wherein: the lifting mechanism comprises a second cylinder (21) and an electromagnet (22), the second cylinder (21) is fixed at the top of the tank body (3), the second cylinder (21) comprises a piston rod, and the lower end of the piston rod of the second cylinder (21) extends into the tank body (3) and is fixed with the electromagnet (22);

the electromagnet (22) is used for being magnetically connected with the chassis (11) so as to drive the chassis (11) to move up and down in the inner cylinder.

5. The tunnel large-dosage steel slag powder spraying concrete construction equipment as claimed in claim 3, wherein: the chassis (11) is obliquely arranged, the lower side of the horizontal height of the chassis and the residue outlet (10) are positioned on the same side of the tank body (3), and the chassis (11) is in up-and-down sliding fit with the inner cylinder.

6. The tunnel large-dosage steel slag powder spraying concrete construction equipment as claimed in claim 2, wherein: the throwing holes (5) are arranged in a plurality, and the throwing holes (5) are uniformly distributed on the side plates (42).