Tunnel blast sand recovery device

Abstract

The utility model discloses a tunnel sandblast recovery device, including collection material mouth, negative pressure device, lifting device and sandblast stock bin, negative pressure device is communicated with storage bin and is connected to the top of storage bin, the other end of collection material mouth is connected to the middle of storage bin through hose, storage bin is provided on the side wall of sandblast stock bin, and the lifting device is connected to the top of the storage bin through hose. The upper portion of the storage bin is connected with a lifting device, the lower end of the lifting device is located at the inner bottom of the storage bin, the upper end of the lifting device is arranged above the sand blasting bin and communicated with the top of the sand blasting bin, and a first vibrating screen and a second vibrating screen are arranged in the sand blasting bin. And the first vibrating screen is arranged above the second vibrating screen. The tunnel blast sand recovery device has the advantages of reducing dust pollution on a construction site, screening waste materials on site, recycling blast sand and reducing the amount of the waste materials in transportation and transfer, improves the overall working efficiency and ensures the working benefit.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel sandblasting, and in particular relates to a tunnel sandblasting recovery device. Background Art

[0002] When sandblasting a tunnel, there are problems such as small space, high pollution, and difficulty in recycling and transporting waste. The current treatment method is to directly clean or use a vacuum cleaner to extract the waste, and use a hoist to lift it to the transfer equipment when there is a level difference, and directly discard it or screen the waste for sandblasting and reuse. The overall process is complicated, inefficient, and requires the coordination of multiple equipment. It is not convenient for the recycling of sandblasting materials, which affects the overall work efficiency. Summary of the invention

[0003] The utility model aims to provide a tunnel sandblasting recovery device to solve the above problems existing in the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A tunnel sandblasting recovery device comprises a material collection port, a negative pressure device, a lifting device and a sandblasting material bin, wherein the negative pressure device is connected to a material storage bin and is connected to the top of the material storage bin, the other end of the material collection port is connected to the middle of the material storage bin through a hose, the material storage bin is arranged on the side wall of the sandblasting material bin, the upper part of the material storage bin is connected to the lifting device, the lower end of the lifting device is located at the inner bottom of the material storage bin, the upper end of the lifting device is arranged above the sandblasting material bin and is connected to the top of the sandblasting material bin, a first vibrating screen and a second vibrating screen are arranged in the sandblasting material bin, and the first vibrating screen is connected to the middle of the material storage bin through a hose. The moving screen is arranged above the second vibrating screen, the first vibrating screen and the second vibrating screen are both arranged to be inclined downward, the inclination direction of the first vibrating screen is opposite to the inclination direction of the second vibrating screen, a feed plate is arranged obliquely below the second vibrating screen, and the feed plate is arranged parallel to the first vibrating screen, a clean material bin and a waste material bin are respectively arranged at the bottom of the sandblasting bin, the clean material bin is located directly below the second vibrating screen, and the waste material bin is located below the lowest end of the feed baffle, and the mesh diameter of the first vibrating screen is larger than the mesh diameter of the second vibrating screen.

[0006] The working process and principle of the above structure are as follows:

[0007] During work, the negative pressure device is turned on, and the staff holds the material collection port to suck the used sandblasting materials into the storage bin. The lifting device is operated to transfer the materials in the storage bin to the top of the sandblasting bin, and they fall automatically on the first vibrating screen for preliminary screening. The screened materials fall on the second vibrating screen for secondary screening, and finally the clean granular sand materials fall into the clean bin, and the screened large particles fall into the waste bin under the action of the first vibrating screen and are discharged, and the dust waste screened out by the second vibrating screen also falls on the unloading plate and finally falls into the waste bin. Negative pressure collects sandblasting waste to reduce dust pollution on the construction site; waste is screened on site and reused for sandblasting, which reduces the amount of waste in transportation and transfer, improves the overall work efficiency, and ensures work benefits.

[0008] Furthermore, the lifting device includes a driving motor, a feeding barrel and a feeding screw rotatably arranged in the feeding barrel, the feeding barrel is arranged at an angle, the driving motor is arranged at the upper end of the feeding barrel and is connected to the feeding screw transmission, and a waste discharge port is arranged at the lower part of the top end of the feeding barrel, and the waste discharge port is connected to the top of the sandblasting silo.

[0009] The driving motor drives the feeding screw to rotate, and the material is transferred from the bottom of the storage bin to the top of the sandblasting bin, so that it can be automatically dropped and screened.

[0010] Furthermore, the inner bottom surface of the storage bin is in an arc-shaped structure, and the bottom end of the feeding cylinder extends to the lowest position of the inner bottom surface of the storage bin.

[0011] The arc-shaped bottom of the storage bin allows the material to automatically slide down and collect at the bottom of the storage bin when there is less material, making it easier for the lifting device to transport the material.

[0012] Furthermore, the bottoms of the clean material bin and the waste material bin are respectively provided with a first discharge opening and a second discharge opening.

[0013] The materials in the clean bin and the waste bin can be discharged and transported away through the first discharge port and the second discharge port.

[0014] Furthermore, a movable wheel is provided at the bottom of the sandblasting bin.

[0015] The setting of the moving wheels makes it easy for the sandblasting recovery device to move in the tunnel.

[0016] Beneficial effect: during operation, the utility model opens the negative pressure device, and the staff holds the material collection port to suck the used sandblasting materials into the storage bin, and the lifting device operates to transfer the materials in the storage bin to the top of the sandblasting bin, and the materials automatically fall onto the first vibrating screen for preliminary screening, and the screened materials fall onto the second vibrating screen for secondary screening, and finally the clean granular sand materials fall into the clean bin, and the screened large particles fall into the waste bin under the action of the first vibrating screen for discharge, and the dust waste screened out by the second vibrating screen also falls onto the unloading plate and finally falls into the waste bin, and the sandblasting waste is collected by negative pressure to reduce dust pollution at the construction site; the waste is screened on site and reused by sandblasting, which reduces the amount of waste in transportation and transfer, improves the overall work efficiency, and ensures work benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural front view of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of the sandblasting bin in the utility model.

[0019] Figure numerals: 1. collecting material port; 2. negative pressure device; 3. lifting device; 4. sandblasting material bin; 5. storage bin; 6. hose; 7. first vibrating screen; 8. second vibrating screen; 9. clean material bin; 10. waste bin; 11. driving motor; 12. feed barrel; 13. feed screw; 14. waste discharge port; 15. first discharge port; 16. second discharge port; 17. moving wheel; 18. unloading plate. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the utility model will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation of the utility model. Example

[0021] like Figure 1 and Figure 2As shown, this embodiment provides a tunnel sandblasting recovery device, including a collecting material port 1, a negative pressure device 2, a lifting device 3 and a sandblasting material bin 4, the negative pressure device 2 is connected to a material storage bin 5 and is connected to the top of the material storage bin 5, the other end of the collecting material port 1 is connected to the middle of the material storage bin 5 through a hose 6, the material storage bin 5 is arranged on the side wall of the sandblasting material bin 4, the upper part of the material storage bin 5 is connected to the lifting device 3, the lower end of the lifting device 3 is located at the inner bottom of the material storage bin 5, the upper end of the lifting device 3 is arranged above the sandblasting material bin 4 and is connected to the top of the sandblasting material bin 4, and the sandblasting material bin 4 is connected to the upper end of the lifting device 3. The first vibrating screen 7 and the second vibrating screen 8 are tilted in the sand bin 4. The first vibrating screen 7 and the second vibrating screen 8 are tilted downward. The tilting direction of the first vibrating screen 7 is opposite to that of the second vibrating screen 8. A blanking plate 18 is tilted below the second vibrating screen 8. The blanking plate 18 is arranged parallel to the first vibrating screen 7. A clean bin 9 and a waste bin 10 are respectively arranged at the bottom of the sandblasting bin 4. The clean bin 9 is located directly below the second vibrating screen 8, and the waste bin 10 is located below the lowest end of the blanking plate 18. The negative pressure device 2 is a negative pressure suction pump. The first vibrating screen 7 is a screen with a mesh diameter of 2 mm, and the second vibrating screen 8 is a screen with a mesh diameter of 1 mm. The first vibrating screen 7 and the second vibrating screen 8 are conventional vibrating screens.

[0022] The working process and principle of the above structure are as follows:

[0023] During operation, the negative pressure device 2 is opened, and the staff holds the collecting material port 1 to suck the used sandblasting material into the storage bin 5, and the lifting device 3 is operated to transfer the material in the storage bin 5 to the top of the sandblasting bin 4, and the material falls on the first vibrating screen 7 when it falls automatically, and the screened material falls on the second vibrating screen 8 for secondary screening, and finally the clean granular sand material falls into the clean bin 9, and the screened large particle material falls into the waste bin 10 under the vibration of the first vibrating screen 7 and is discharged, and the dust waste screened out by the second vibrating screen 8 also falls on the unloading plate 18, and finally falls into the waste bin 10, and the negative pressure collects the sandblasting waste to reduce the dust pollution at the construction site; the waste is screened on site and reused by sandblasting, which reduces the amount of waste in transportation and transfer, improves the overall work efficiency, and ensures the work benefits.

[0024] In another embodiment of the present invention, Figure 1 and Figure 2 As shown, the lifting device 3 includes a driving motor 11, a feeding barrel 12 and a feeding screw 13 rotatably arranged in the feeding barrel 12. The feeding barrel 12 is arranged at an angle. The driving motor 11 is arranged at the upper end of the feeding barrel 12 and is transmission-connected to the feeding screw 13. A waste discharge port 14 is arranged at the lower part of the top end of the feeding barrel 12, and the waste discharge port 14 is connected to the top of the sandblasting bin 4.

[0025] The driving motor 11 drives the feeding screw 13 to rotate, and the material is transferred from the bottom of the storage bin 5 to the top of the sandblasting bin 4, so as to be automatically dropped and screened.

[0026] In another embodiment of the present invention, Figure 1 and Figure 2 As shown, the inner bottom surface of the storage bin 5 is in an arc-shaped structure, and the bottom end of the feeding cylinder 12 extends to the lowest position of the inner bottom surface of the storage bin 5 .

[0027] The arc-shaped bottom of the storage bin 5 allows the material to automatically slide down and collect at the bottom of the storage bin 5 when there is less material, making it convenient for the lifting device 3 to transport the material.

[0028] In another embodiment of the present invention, Figure 1 and Figure 2 As shown, the bottom of the clean bin 9 and the waste bin 10 are respectively provided with a first discharge port 15 and a second discharge port 16. The first discharge port 15 and the second discharge port 16 are provided with sealing plugs.

[0029] The materials in the clean bin 9 and the waste bin 10 can be discharged and transported away through the first discharge port 15 and the second discharge port 16 .

[0030] In another embodiment of the present invention, Figure 1 and Figure 2 As shown, a moving wheel 17 is provided at the bottom of the sandblasting bin 4 .

[0031] The arrangement of the moving wheels 17 facilitates the movement of the sandblasting recovery device in the tunnel.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A tunnel sandblasting recovery device, characterized in that: The invention comprises a collecting material port, a negative pressure device, a lifting device and a sandblasting material bin, wherein the negative pressure device is connected to a material storage bin and is connected to the top of the material storage bin, the other end of the collecting material port is connected to the middle of the material storage bin through a hose, the material storage bin is arranged on the side wall of the sandblasting material bin, the upper part of the material storage bin is connected to the lifting device, the lower end of the lifting device is located at the inner bottom of the material storage bin, the upper end of the lifting device is arranged above the sandblasting material bin and is connected to the top of the sandblasting material bin, a first vibrating screen and a second vibrating screen are arranged in the sandblasting material bin, and the first vibrating screen is arranged Above the second vibrating screen, the first vibrating screen and the second vibrating screen are both arranged to be inclined downward, and the inclination direction of the first vibrating screen is opposite to that of the second vibrating screen. A blanking plate is arranged obliquely below the second vibrating screen, and the blanking plate is arranged parallel to the first vibrating screen. A clean material bin and a waste material bin are respectively arranged at the bottom of the sandblasting bin, and the clean material bin is located directly below the second vibrating screen, and the waste material bin is located below the lowest end of the blanking plate. The mesh diameter of the first vibrating screen is larger than the mesh diameter of the second vibrating screen.

2. The tunnel sandblasting recovery device according to claim 1, characterized in that: The lifting device includes a driving motor, a feeding barrel and a feeding screw rotatably arranged in the feeding barrel. The feeding barrel is arranged at an angle, the driving motor is arranged at the upper end of the feeding barrel and is connected to the feeding screw transmission, and a waste discharge port is arranged at the lower part of the top end of the feeding barrel, and the waste discharge port is connected to the top of the sandblasting bin.

3. The tunnel sandblasting recovery device according to claim 2, characterized in that: The inner bottom surface of the storage bin is in an arc-shaped structure, and the bottom end of the feeding cylinder extends to the lowest position of the inner bottom surface of the storage bin.

4. The tunnel sandblasting recovery device according to claim 1, characterized in that: The bottoms of the clean material bin and the waste material bin are respectively provided with a first discharge opening and a second discharge opening.

5. The tunnel sandblasting recovery device according to claim 1, characterized in that: The bottom of the sandblasting bin is provided with moving wheels.

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