Explosion hole cleaner

Abstract

This utility model relates to the field of blasting auxiliary technology, specifically a blasting hole cleaner, including a bracket. A motor is fixedly installed inside the bracket. A support rod is rotatably connected to the bottom of the bracket, and a receiving chamber is rotatably connected to the bottom of the support rod. An adjustment mechanism is provided on both the support rod and the receiving chamber. The adjustment mechanism includes an air bladder, a lifting ring, and multiple support cylinders. A rotating handle is fixedly connected to the top of the lifting ring. Springs are fixedly connected inside each support cylinder, and a moving ring is fixedly connected to one end of each spring inside the support cylinder. The beneficial effects of this utility model are: it can avoid the concentrated impact force from damaging the stability of the scraper, ensuring that the scraper remains stable in position during the rotation cleaning process, without deviation or shaking, thus ensuring the continuity of the cleaning operation. Furthermore, the air bladder can ensure that all excess soil clods on the hole wall are removed, preventing soil clods from falling to the bottom of the blasting hole during the scraping process.

Description

Technical Field

[0001] This utility model relates to the field of blasting auxiliary technology, specifically a blasting hole cleaner. Background Technology

[0002] Hole cleaning is a crucial step in blasting operations. Its core purpose is to remove loose deposits from the hole walls, ensuring a tight fit between the explosive and the hole wall, avoiding gap effects that could lead to energy loss during blasting, and guaranteeing both blasting effectiveness and operational safety. Currently, hole cleaners have developed into a diverse technological system, which can be categorized into three types based on their cleaning principles: mechanical cleaning, fluid purging, and combined cleaning. Mechanical cleaning devices, such as scoops and scrapers, remove deposits and deposits from the hole walls through scooping or scraping. They are simple in structure and low in cost. Fluid purging devices, mainly including compressed air blowers and high-pressure water flushers, use high-speed airflow or water flow to expel impurities from the hole, resulting in high cleaning efficiency. Combined cleaning devices integrate mechanical scraping and fluid purging functions, simultaneously removing deposits from the hole and cleaning the hole walls.

[0003] A Chinese patent document with publication number CN223543554U disclosed on November 14, 2025, a mining blasting hole cleaning device, including a fixing plate, a fixing rod fixedly connected to the bottom of the fixing plate, a connecting cylinder provided on the outer surface of the fixing rod, a rectangular groove opened on the outer surface of the connecting cylinder, an adjusting plate being engaged with the inner wall of the rectangular groove, a docking plate fixedly connected to the side of the adjusting plate, a circular slot opening opened on the outer surface of the docking plate, and a spring fixedly connected to the inner wall of the circular slot. This utility model relates to a mining blasting hole cleaning device. Through the arrangement of a fixed rod, connecting cylinder, adjusting plate, docking plate, spring, docking ball, and cleaning brush, when dust on the inner wall of the blasting hole cannot be sucked away, the operator can adjust the length of the adjusting plate on the inner wall of the connecting cylinder according to the hole size. The docking plate on the adjusting plate will move on the inner wall of the connecting cylinder, and the docking ball on the docking plate will be locked in the slot on the inner wall of the connecting cylinder. Although the above application has many beneficial effects, it still has the following shortcomings: During use, although the position of the cleaning brush is adjustable, the soil and protruding rocks remaining on the hole wall are all hard materials. The cleaning brush's support and positioning rely entirely on the cooperation structure of the docking ball and the spring. The docking ball is locked and limited at the recess of the sliding groove, and the spring provides elastic support to the docking ball. The contact force generated by the cleaning brush contacting the protruding hard materials on the hole wall will be entirely transmitted to the docking ball and spring components. This force distribution method easily destroys the locking stability of the two, causing the cleaning brush to shift or deviate during the rotation cleaning process, affecting the continuity and effectiveness of the cleaning operation. Utility Model Content

[0004] The purpose of this invention is to provide a blast hole cleaner to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a blasting hole cleaner, including a bracket, a motor fixedly installed inside the bracket, a support rod rotatably connected to the bottom end of the bracket, a material receiving chamber rotatably connected to the bottom end of the support rod, an adjustment mechanism shared by the support rod and the material receiving chamber, the adjustment mechanism including an air bladder, a lifting ring, and multiple support cylinders, a rotating handle fixedly connected to the top end of the lifting ring, a spring fixedly connected inside each support cylinder, a movable ring fixedly connected to one end of each spring inside each support cylinder, a telescopic rod fixedly connected to one end of each movable ring, a scraper fixedly connected to one end of each telescopic rod, a support seat fixedly connected to the scraper at the bottom end of each lifting ring, the lifting ring threadedly connected to the support rod, and the rotating handle rotatably connected to the support rod at the top end of the lifting ring.

[0006] Preferably, a support handle is fixedly connected to the top of the bracket, and the motor output end is fixedly connected to the top of the support rod.

[0007] Preferably, the airbag is fixedly connected to the outer wall of the receiving chamber, and an air inlet / outlet is fixedly connected to the top of the airbag, with the air inlet / outlet communicating with the airbag.

[0008] Preferably, the support cylinder array is fixedly connected to the support rod.

[0009] Preferably, one end of each spring is fixedly connected to a corresponding movable ring, and one end of each telescopic rod slides through the corresponding support cylinder and is fixedly connected to the scraper.

[0010] Preferably, one of the outer walls of the support base is inclined, and the inclined outer wall of the support base abuts against the bottom corner of the lifting ring.

[0011] Compared with the prior art, the beneficial effects of this utility model are: improving the contact stability and avoiding cleaning displacement. In view of the problem that the cleaning brush in the prior art relies on the contact ball and spring support and the contact force is easily transmitted to the elastic component, causing displacement, this device can avoid the contact force from being concentrated and destroying the stability of the scraper, ensuring that the scraper always maintains a stable position during the rotation cleaning process, without deviation or shaking, and ensuring the continuity of cleaning operation.

[0012] Furthermore, the airbags ensure that all excess soil blocks on the tunnel wall are removed, preventing soil blocks from falling to the bottom of the blast hole during the scraping process. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0014] Figure 2This is a schematic diagram of the material receiving chamber of this utility model with the air bladder removed and the rotating handle, lifting ring and support rod separated.

[0015] Figure 3 This is a cross-sectional view of the support cylinder of this utility model;

[0016] Figure 4 For the present utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0017] In the diagram: 1. Bracket; 2. Motor; 3. Support rod; 4. Receiving chamber; 5. Adjustment mechanism; 51. Airbag; 52. Lifting ring; 53. Support cylinder; 54. Rotating handle; 55. Spring; 56. Moving ring; 57. Telescopic rod; 58. Scraper; 59. Support base. Detailed Implementation

[0018] Please see Figure 1-4 The present invention provides the following technical solution:

[0019] The blast hole cleaner includes a bracket 1, a motor 2 fixedly installed inside the bracket 1, a support rod 3 rotatably connected to the bottom of the bracket 1, a receiving chamber 4 rotatably connected to the bottom of the support rod 3, and an adjustment mechanism 5 jointly provided on the support rod 3 and the receiving chamber 4. The adjustment mechanism 5 includes an air bladder 51, a lifting ring 52 and multiple support cylinders 53. A rotating handle 54 is fixedly connected to the top of the lifting ring 52. A spring 55 is fixedly connected inside each support cylinder 53. A moving ring 56 is fixedly connected to one end of each spring 55 inside each support cylinder 53. A telescopic rod 57 is fixedly connected to one end of each moving ring 56. A scraper 58 is fixedly connected to one end of each telescopic rod 57. A support seat 59 is fixedly connected to each scraper 58 at the bottom end of the lifting ring 52.

[0020] A support handle is fixedly connected to the top of the bracket 1. The output end of the motor 2 is fixedly connected to the top of the support rod 3. The support handle makes it easy for the operator to hold the entire cleaner, and the motor 2 can easily drive the support rod 3 to rotate. The air bladder 51 is fixedly connected to the outer wall of the receiving chamber 4. An air inlet and outlet are fixedly connected to the top of the air bladder 51. The air inlet and outlet are in communication with the air bladder 51, which facilitates the release of gas inside the air bladder 51 or the injection of gas into the air bladder 51. The lifting ring 52 is threadedly connected to the support rod 3, and the rotating handle 54 is rotatably connected to the support rod 3 at the position corresponding to the top of the lifting ring 52. At this location, the rotating handle 54 facilitates direct rotation of the lifting ring 52. The array of support cylinders 53 is fixedly connected to the support rod 3. One end of each spring 55 is fixedly connected to the corresponding moving ring 56. One end of each telescopic rod 57 slides through the corresponding support cylinder 53 and is fixedly connected to the scraper 58. The spring 55 facilitates the reset and movement of the moving ring 56 and the telescopic rod 57. One of the outer walls of the support base 59 is inclined. The inclined outer wall of the support base 59 abuts against the bottom corner of the lifting ring 52. When the lifting ring 52 moves, it is convenient to drive the scraper 58 to move through the support base 59.

[0021] In use, hold the entire cleaner by the support handle. First, insert the receiving chamber 4 and the airbag 51 into the rupture hole. The diameter of the rupture hole is smaller than that of the airbag 51. Therefore, when the airbag 51 enters the rupture hole, it will be squeezed by the inner wall of the rupture hole. When the airbag 51 is compressed, its outer wall will fit tightly against the inner wall of the rupture hole. When the outer wall of the airbag 51 is scraped by hard objects on the hole wall, it will adaptively deform. Because of the deformation of the airbag 51, it can also prevent damage from protruding hard objects, thus ignoring the obstruction of protruding objects on the hole wall and continuing to penetrate deeper into the hole, achieving the effect of adapting to rupture holes of different diameters. Then, the airbag 51 is... The bladder 51 and the receiving chamber 4 extend deep into the blast hole. When each scraper 58 enters the blast hole, the operator directly rotates the handle 54. The rotation of the handle 54 will drive the lifting ring 52 to rotate, and the lifting ring 52 will move up and down on the support rod 3. When the lifting ring 52 moves down, its bottom corner will squeeze the outer wall of the multiple support seats 59 which are inclined. At this time, the support seats 59 will all move away from the lifting ring 52 due to the force. The movement of the support seats 59 will drive the scraper 58 to move. The movement of the scraper 58 will drive the telescopic rod 57 to extend outward on the support cylinder 53. The movement of the telescopic rod 57 will drive the moving ring. 56 moves inside the support cylinder 53, and the movement of the moving ring 56 stretches the corresponding spring 55. When the scraper 58 is in contact with the inner wall of the rupture hole, the rotation of the lifting ring 52 can be stopped. At this time, the lifting ring 52 is rigidly in contact with the bottom end of the support base 59. Without external force to actively rotate the lifting ring 52, the positioning stability of the scraper 58 is guaranteed, preventing displacement when the scraper 58 rotates and rubs against the inner wall of the rupture hole. At this time, the entire cleaner can be inserted into the rupture hole. The motor 2 is started by external power, and the motor 2 will drive the support rod 3 to rotate. The receiving chamber 4 is not affected because... The retracted airbag 51 has a large frictional force with the inner wall of the blast hole. The rotation of the support rod 3 will drive the scrapers 58 to rotate through the support cylinder 53 and the telescopic rod 57. The rotation of the scrapers 58 will scrape and clean the inner wall of the blast hole, removing excess soil. The soil that falls will enter the receiving chamber 4. Because the airbag 51 is in close contact with the inner wall of the blast hole, the soil will not fall into the blast hole. Then, as the scrapers 58 rotate, the entire cleaner can be lifted upwards until the cleaner is completely separated from the blast hole. After separation, the blast hole wall is cleaned.

Claims

1. A blast hole cleaner, characterized in that: The system includes a bracket (1), a motor (2) fixedly installed inside the bracket (1), a support rod (3) rotatably connected to the bottom end of the bracket (1), a receiving cavity (4) rotatably connected to the bottom end of the support rod (3), and an adjustment mechanism (5) provided on both the support rod (3) and the receiving cavity (4). The adjustment mechanism (5) includes an airbag (51), a lifting ring (52), and multiple support cylinders (53). The airbag (51) is fixedly connected to the outer wall of the receiving cavity (4), and a rotating handle (54) is fixedly connected to the top end of the lifting ring (52). The support cylinders (53) are internally... All are fixedly connected to a spring (55). Inside the support cylinder (53), a movable ring (56) is fixedly connected to one end of the spring (55). A telescopic rod (57) is fixedly connected to one end of the movable ring (56). A scraper (58) is fixedly connected to one end of the telescopic rod (57). A support seat (59) is fixedly connected to the scraper (58) at the bottom end of the lifting ring (52). The lifting ring (52) is threaded onto the support rod (3). The rotating handle (54) is rotatably connected to the support rod (3) at the top end of the lifting ring (52).

2. The blast hole cleaner according to claim 1, characterized in that: The top of the bracket (1) is fixedly connected to a support handle, and the output end of the motor (2) is fixedly connected to the top of the support rod (3).

3. The blast hole cleaner according to claim 1, characterized in that: The top of the airbag (51) is fixedly connected to an air inlet and outlet, which are in communication with the airbag (51).

4. The blast hole cleaner according to claim 1, characterized in that: The array of support cylinders (53) is fixedly connected to the support rod (3).

5. The blast hole cleaner according to claim 1, characterized in that: One end of each spring (55) is fixedly connected to the corresponding moving ring (56), and one end of each telescopic rod (57) slides through the corresponding support cylinder (53) and is fixedly connected to the scraper (58).

6. The blast hole cleaner according to claim 1, characterized in that: One of the outer walls of the support base (59) is inclined, and the inclined outer wall of the support base (59) abuts against the bottom corner of the lifting ring (52).

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