Blast hole cleaning equipment for tunnel blasting

By designing a blasthole cleaning device for tunnel blasting with a drive chamber and a plug-in cleaning head, the problem of blasthole blockage is solved, efficient cleaning and convenient operation are achieved, and the effect of tunnel blasting is improved.

CN223335740UActive Publication Date: 2025-09-16FUJIAN JIANGXIA UNIV
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Patent Information

Application Number
CN202422541903.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-09-16
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

During the existing tunnel blasting process, the blastholes are easily clogged by rock powder and gravel, resulting in incomplete cleaning and low efficiency, which affects the blasting effect.

Method used

A blasthole cleaning device for tunnel blasting is designed, which includes a drive chamber, a blasthole cleaning assembly, a protective cover and a plug-in cleaning head. The cleaning brush and the spray hole are driven by a forward and reverse motor, and a dust collection device is combined to achieve efficient cleaning.

Benefits of technology

It achieves efficient cleaning of blastholes, prevents dust from flying, improves cleaning efficiency and convenience, and ensures blasting effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a blast hole cleaning device for tunnel blasting, which comprises a driving cavity, a blast hole cleaning assembly, a protective cover and a plug-in type cleaning head, the blast hole cleaning assembly is arranged in the driving cavity, the protective cover is installed at the front end of the driving cavity in a sealing and sliding mode, and the plug-in type cleaning head is installed on the blast hole cleaning assembly and located in the protective cover. A plurality of sets of fixing holes are formed in the upper end and the lower end of the outer side wall of the driving cavity at intervals, quick-release screws matched with the fixing holes are symmetrically connected to the upper end and the lower end of one side of the protective cover in a threaded mode, the quick-release screws are in threaded connection with one set of fixing holes, and the protective cover is detachably installed in the driving cavity through cooperation of the quick-release screws and the fixing holes. The utility model relates to the technical field of blast hole cleaning equipment for tunnel blasting, in particular to blast hole cleaning equipment for tunnel blasting, which has a good cleaning effect, can be used for conveniently and quickly carrying out efficient ash and slag removal on a tunnel blast hole, and improves the use convenience and the blast hole cleaning efficiency.
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Description

Technical Field

[0001] The utility model relates to the technical field of tunnel blasting blasthole slag cleaning equipment, in particular to a blasthole cleaning equipment for tunnel blasting. Background Art

[0002] During tunnel blasting construction, blasthole placement is a crucial step, and its effectiveness directly impacts the blasting, mining, and transportation of surrounding rock. Due to the diverse geological conditions and rock formations, drilled blastholes can sometimes become clogged with rock dust and slag that falls from the hole mouth or around the hole walls. This can hinder the loading of explosives, resulting in blockage or waste, rendering the blasthole inoperable and compromising blasting effectiveness. Therefore, blasthole waste removal is essential.

[0003] Most of the existing blasthole cleaning requires manual use of other tools to remove debris such as rock powder and gravel slag in the blasthole. Manual operations are not only prone to incomplete cleaning, but also have problems such as poor cleaning effect and low cleaning efficiency. Therefore, improvements are needed to address the existing problems. Utility Model Content

[0004] In view of the above situation, in order to overcome the current technical defects, the utility model provides a tunnel blasting hole cleaning device with good cleaning effect. Through this device, the tunnel blast holes can be cleaned and slag removed efficiently and conveniently, thereby improving the convenience of use and the efficiency of blast hole cleaning.

[0005] The technical solution adopted by the present utility model is as follows: The blasthole cleaning equipment for tunnel blasting provided by this solution includes a driving chamber, a blasthole cleaning assembly, a protective cover and a plug-in cleaning head. The blasthole cleaning assembly is arranged in the driving chamber, and the protective cover is sealingly and slidingly installed at the front end of the driving chamber. The plug-in cleaning head is installed on the blasthole cleaning assembly and is located in the protective cover. A plurality of groups of fixing holes are provided at intervals at the upper and lower ends of the outer side wall of the driving chamber. The upper and lower ends of one side of the protective cover are symmetrically threaded with quick-release screws that are compatible with the fixing holes. The quick-release screws are threadedly connected to one group of fixing holes, and the protective cover can be detachably installed in the driving chamber through the cooperation of the quick-release screws and the fixing holes.

[0006] In order to facilitate the cleaning of the blast hole, the blast hole cleaning assembly includes a forward and reverse motor and a drive tube. The forward and reverse motor is arranged on one side of the upper top wall of the drive chamber. The drive tube is rotatably arranged in the drive chamber. The output shaft of the forward and reverse motor extends into the drive chamber. The drive tube and the output shaft of the forward and reverse motor are provided with mutually adapted bevel gears, and the bevel gears are engaged with each other. A rotary joint is provided at the rear end of the drive tube, and a quick-connect hose is connected to the rotary joint.

[0007] In which, a sealing baffle is provided at the end of the driving chamber, and the sealing baffle supports and limits the driving tube. One end of the driving tube extends to one side of the sealing baffle, and one end of the plug-in cleaning head is provided with a quick-release mounting joint. One end of the driving tube is provided with a sealing mounting groove adapted to the quick-release mounting joint. The quick-release mounting joint is engaged and installed with the sealing mounting groove. The plug-in cleaning head is connected to the driving tube through the quick-release joint, and a rotary joint is provided at the rear end of the driving tube, and a quick-connect hose is connected to the rotary joint.

[0008] Furthermore, the plug-in cleaning head is a hollow cavity structure, the outer side wall of the plug-in cleaning head is provided with multiple groups of cleaning brushes for cleaning the blastholes, and the front end of the plug-in cleaning head is provided with a spray hole for cleaning dust from the blastholes.

[0009] In order to facilitate the collection of cleaned dust, the bottom of the protective cover is connected to a dust collecting hopper, and the dust collecting hopper is connected to a collecting hose.

[0010] For ease of use, a handle is provided at the lower end of the drive chamber, and a fixed protective frame is provided at the rear end of the drive chamber.

[0011] In order to facilitate the cleaning of blastholes of different depths, multiple groups of plug-in cleaning heads are provided, and the lengths of the multiple groups of plug-in cleaning heads are different.

[0012] The beneficial effects achieved by the utility model using the above structure are as follows: The utility model is a blasthole cleaning device for tunnel blasting:

[0013] 1. The blasthole cleaning assembly can drive the plug-in cleaning head to clean the inside of the blasthole. The protective cover can protect the area around the blasthole during cleaning to prevent dust and stone chips from flying out and causing harm.

[0014] 2. The plug-in cleaning heads of different sizes can be adjusted according to the depth of the blasthole to ensure the cleaning effect inside the blasthole;

[0015] 3. The dust collecting hopper at the bottom of the protective cover can collect the cleaned debris and dust through the collecting hose;

[0016] 4. When cleaning the blast hole, the water pump or air pump can be connected through the quick-connect hose, so that water or compressed air can be sprayed into the blast hole through the spray hole and the cleaning brush to further improve the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a three-dimensional structure diagram of a blasthole cleaning device for tunnel blasting in this utility model. Figure 1 ;

[0019] Figure 2 This is a three-dimensional structure diagram of a blasthole cleaning device for tunnel blasting in this utility model. Figure 2 ;

[0020] Figure 3 This is a schematic cross-sectional view of a blasthole cleaning device for tunnel blasting according to the present invention;

[0021] Figure 4 The utility model is a schematic diagram of the installation of a plug-in cleaning head of a blasthole cleaning device for tunnel blasting.

[0022] Among them, 1. Drive chamber, 2. Gunhole cleaning assembly, 3. Protective cover, 4. Plug-in cleaning head, 5. Fixing hole, 6. Quick-release screw, 7. Forward and reverse motor, 8. Drive tube, 9. Bevel gear, 10. Rotary joint, 11. Quick-connect hose, 12. Sealing plug, 13. Cleaning brush, 14. Spray hole, 15. Dust hopper, 16. Collection hose, 17. Handle, 18. Fixed protective frame, 19. Quick-release mounting connector, 20. Sealing mounting slot. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the accompanying drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0025] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, the technical solution adopted by the present invention is as follows: the blasthole cleaning equipment for tunnel blasting provided by this solution includes a driving chamber 1, a blasthole cleaning assembly 2, a protective cover 3 and a plug-in cleaning head 4, the lower end of the driving chamber 1 is provided with a handle 17, the rear end of the driving chamber 1 is provided with a fixed protective frame 18, the blasthole cleaning assembly 2 is arranged in the driving chamber 1, the protective cover 3 is sealingly slidably installed at the front end of the driving chamber 1, the plug-in cleaning head 4 is installed on the blasthole cleaning assembly and is located in the protective cover 3, the bottom of the protective cover 3 is connected to a dust collecting hopper 15, the dust collecting hopper 15 is connected to a collection hose 16, the plug-in cleaning head 4 is a hollow cavity structure, the outer side wall of the plug-in cleaning head 4 is provided with a plurality of groups of cleaning brushes 13 for cleaning the blasthole, and the front end of the plug-in cleaning head 4 is provided with a spray hole 14 for cleaning the blasthole.

[0026] like Figure 1 and Figure 3 As shown, multiple groups of fixing holes 5 are provided at intervals on the upper and lower ends of the outer wall of the drive chamber 1. The upper and lower ends of one side of the protective cover 3 are symmetrically threaded with quick-release screws 6 that are compatible with the fixing holes 5. The quick-release screws 6 are threadedly connected to one group of fixing holes 5. The protective cover 3 can be detachably installed in the drive chamber 1 through the cooperation of the quick-release screws 6 and the fixing holes 5. The blast hole cleaning assembly 2 includes a forward and reverse motor 7 and a driving tube 8. The forward and reverse motor 7 is provided on one side of the upper top wall of the drive chamber 1. The driving tube 8 is rotatably provided in the drive chamber 1. The output shaft of the forward and reverse motor 7 extends into the drive chamber 1. The driving tube 8 and the forward and reverse motor The output shaft of the machine 7 is provided with bevel gears 9 that are adapted to each other, and the bevel gears 9 are meshed with each other. A sealing plug 12 is provided at the end of the driving chamber 1, and the sealing plug 12 supports and limits the driving tube 8. One end of the driving tube 8 extends to one side of the sealing plug 12. A quick-release mounting joint 19 is provided at one end of the plug-in cleaning head 4, and a sealing mounting groove 20 that is adapted to the quick-release mounting joint 19 is provided at one end of the driving tube 8. The quick-release mounting joint 19 is engaged with the sealing mounting groove 20 for installation. A rotary joint 10 is provided at the rear end of the driving tube 8, and a quick-connect hose 11 is connected to the rotary joint 10.

[0027] like Figure 4 As shown, multiple groups of plug-in cleaning heads 4 are provided, and the multiple groups of plug-in cleaning heads 4 have different lengths and are used for cleaning blastholes of different depths.

[0028] When in use, the plug-in cleaning head 4 is inserted into the blast hole to be cleaned, so that the protective cover 3 protects the surrounding area of ​​the blast hole, and the forward and reverse motor 7 is started to drive the driving tube 8 to rotate under the engagement of the bevel gear 9, thereby causing the plug-in cleaning head 4 to rotate and use the cleaning brush 13 to clean the blast hole;

[0029] When cleaning the blasthole, the quick-connect hose 11 is connected to the water pump, so that the water pump sprays water through the spray holes 14 provided on the plug-in cleaning head 4, and then cooperates with the cleaning brush 13 to flush out debris such as rock chips, soil and dust inside the blasthole, thereby further improving the cleaning effect;

[0030] When cleaning the blasthole, connect the quick-connect hose 11 to the air pump, so that the compressed gas is ejected through the nozzle 14 provided on the plug-in cleaning head 4, and then cooperate with the cleaning brush 13 to effectively blow away the debris in the blasthole, thereby improving the cleaning effect, preventing possible water accumulation in the blasthole, and keeping the blasthole dry;

[0031] When cleaning the blasthole, the protective cover 3 can prevent dust and debris from scattering, and the dust collecting hopper 15 set at the bottom of the protective cover 3 can collect the cleaned debris and dust through the collecting hose 16;

[0032] During use, the length of the protective cover 3 is adjusted to adjust the protection according to the depth of the blast hole and the length of the plug-in cleaning head 4. After the adjustment is completed, the quick-release screw 6 is screwed to fix it to the relative fixing hole 5, thereby fixing the protective cover 3.

[0033] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, material, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, material, or apparatus.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blasthole cleaning device for tunnel blasting, comprising a drive chamber and a blasthole cleaning assembly, characterized in that: It also includes a protective cover and a plug-in cleaning head. The blast hole cleaning assembly is arranged in the driving cavity. The protective cover is sealingly and slidingly installed at the front end of the driving cavity. The plug-in cleaning head is installed on the blast hole cleaning assembly and is located in the protective cover. A plurality of fixing holes are provided at intervals at the upper and lower ends of the outer side wall of the driving cavity. The upper and lower ends of one side of the protective cover are symmetrically threaded with quick-release screws that are compatible with the fixing holes. The quick-release screws are threadedly connected to one group of fixing holes. The protective cover can be detachably installed in the driving cavity through the cooperation of the quick-release screws and the fixing holes.

2. The blasthole cleaning equipment for tunnel blasting according to claim 1, characterized in that: The blast hole cleaning assembly includes a forward and reverse motor and a drive tube. The forward and reverse motor is arranged on one side of the upper top wall of the drive chamber. The drive tube is rotatably arranged in the drive chamber. The output shaft of the forward and reverse motor extends into the drive chamber. The drive tube and the output shaft of the forward and reverse motor are both provided with mutually adapted bevel gears, and the bevel gears are engaged with each other. A rotary joint is provided at the rear end of the drive tube, and a quick-connect hose is connected to the rotary joint.

3. The blasthole cleaning equipment for tunnel blasting according to claim 2, characterized in that: A sealing baffle is provided at the end of the driving chamber, and the sealing baffle supports and limits the driving tube. One end of the driving tube extends to one side of the sealing baffle. One end of the plug-in cleaning head is provided with a quick-release mounting joint. One end of the driving tube is provided with a sealing mounting groove that is compatible with the quick-release mounting joint. The quick-release mounting joint is engaged with the sealing mounting groove, and the plug-in cleaning head is connected to the driving tube through the quick-release mounting joint.

4. The blasthole cleaning equipment for tunnel blasting according to claim 3, characterized in that: The plug-in cleaning head is a hollow cavity structure. The outer side wall of the plug-in cleaning head is provided with multiple groups of cleaning brushes for cleaning the blastholes. The front end of the plug-in cleaning head is provided with a spray hole for cleaning the blastholes.

5. The blasthole cleaning equipment for tunnel blasting according to claim 4, characterized in that: The bottom of the protective cover is connected to a dust collecting hopper, and the dust collecting hopper is connected to a collecting hose.

6. The blasthole cleaning equipment for tunnel blasting according to claim 5, characterized in that: A handle is provided at the lower end of the driving cavity, and a fixed protective frame is provided at the rear end of the driving cavity.

7. The blasthole cleaning equipment for tunnel blasting according to claim 6, characterized in that: The plug-in cleaning heads are provided in multiple groups, and the plug-in cleaning heads in the multiple groups are of different lengths.