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CN-122015600-A - Loop type automatic explosive charging device for surface blasting mixed explosive hose

CN122015600ACN 122015600 ACN122015600 ACN 122015600ACN-122015600-A

Abstract

The invention discloses a hose loop type automatic charging device for mixed explosive in surface blasting, which belongs to the technical field of automatic equipment for surface blasting, and comprises a hole site alignment mechanism fixed at the tail end of a bearing chassis, a hollow base beam axially arranged along the chassis, a moving assembly with a guide roller, and a flexible output hose penetrating through the transverse guide beam, entering the inside of the base beam and bypassing the guide roller to form a U-shaped loop with variable length, wherein the hole site alignment mechanism comprises a support back plate, a transverse guide beam and a transverse guide block. The invention solves the technical problems of low manual hole alignment efficiency, easy winding and damage of the exposed hose, difficult control of retraction precision and the like, and remarkably improves the automation degree and the system stability of the charging operation through mechanized adjustment and built-in loop management.

Inventors

  • HU QIWEN
  • Hua Haozhan
  • ZHOU YIBO
  • WANG YIHUA

Assignees

  • 昆明理工大学

Dates

Publication Date
20260512
Application Date
20260410

Claims (10)

  1. 1. A kind of open-air blasting loads in charge the automatic charging means of hose circuit type of explosive in mixture, characterized by: comprises a hole position aligning mechanism, a hollow base beam (9), a moving assembly and a flexible output hose (43); The hole site aligning mechanism is arranged at the tail end of a frame of the mixed explosive truck and comprises a support back plate (81), a transverse guide beam (82) and a transverse guide block (85), wherein the transverse guide beam (82) is arranged on the support back plate (81) in a moving way along the extending direction of the frame, the transverse guide block (85) is arranged on the transverse guide beam (82) in a transversely-moving way, the hollow base beam (9) is arranged at the upper side of the frame, a moving assembly which moves horizontally along the axial direction of the hollow base beam (9) is arranged inside the hollow base beam (9), and a guide roller (923) is connected to the moving assembly in a rotating way; The flexible output hose (43) input and explosive production source intercommunication, flexible output hose (43) pass in proper order sideslip guide block (85) get into inside cavity basic beam (9), and walk around guide roller (923) forms the U type return circuit of variable length, finally by the output position vertical extension of sideslip guide block (85) below, through moving the subassembly axial displacement in cavity basic beam (9) is adjusted the outside length of hanging of flexible output hose (43).
  2. 2. The automatic charging device for the open-air blasting mixed explosive hose circuit is characterized in that a telescopic driving cylinder (83) is fixed at the rear end of the supporting back plate (81), the piston end of the telescopic driving cylinder (83) horizontally penetrates through the supporting back plate (81) and is fixedly connected with the middle of the transverse guide beam (82), two horizontal sliding rods (84) are symmetrically fixed at two ends of the transverse guide beam (82), and the two horizontal sliding rods (84) horizontally slide through two ends of the supporting back plate (81).
  3. 3. The automatic charging device for the open-air blasting mixed explosive hose circuit is characterized in that a strip-shaped through groove (821) extending along the length direction of the transverse guide beam (82) is formed in the transverse guide beam (82) in a penetrating mode, a transmission screw (86) driven by a motor is rotationally arranged in the strip-shaped through groove (821), and the transmission screw (86) is arranged in parallel along the extending direction of the transverse guide beam (82) and penetrates through the transverse guide block (85) to drive the transverse guide block (85) to perform left-right transverse displacement adjustment on the transverse guide beam (82).
  4. 4. The automatic charging device for the open-air blasting mixed explosive hose loop according to claim 3, wherein limit sliding grooves (822) extending transversely are formed in the inner walls of the two sides of the strip-shaped through groove (821), sliding flanges (851) are arranged at two ends of the side wall of the transverse moving guide block (85), and the sliding flanges (851) are embedded into the limit sliding grooves (822).
  5. 5. The automatic charging device of the surface blasting mixed explosive hose loop type according to claim 1, wherein two parallel guide rails (91) extending along the direction of the hollow base beam (9) are arranged in the middle of the inner bottom surface of the hollow base beam (9), the moving assembly comprises two walking supports (921), the two walking supports (921) are respectively provided with two guide rails (91) in a moving mode, a fixed connecting shaft (922) is connected between the two walking supports (921), and the guide rollers (923) are coaxially and rotatably sleeved on the fixed connecting shaft (922).
  6. 6. The automatic charging device for the open-air blasting mixed explosive hose loop according to claim 5, wherein a driving rotating shaft (924) is further rotatably connected between the two walking supports (921), a worm and gear speed reducing mechanism (926) driven by a motor is arranged at the outer end of the driving rotating shaft (924), two driving gears (925) are arranged on the driving rotating shaft (924), the top side of the guide rail (91) is in a rack structure, and the two driving gears (925) are respectively meshed with the top side racks of the two guide rails (91).
  7. 7. The automatic charging device of the open-air blasting mixed explosive hose loop type is characterized by further comprising a tank body (1) arranged on a frame and a sensitizer storage tank (6) arranged at the rear end of the tank body (1), wherein a discharge main pipe (4) for outputting base materials is arranged at the rear end of the tank body (1), a sensitizer output branch pipe (61) is arranged at the lower end of the sensitizer storage tank (6), and the discharge main pipe (4) and the sensitizer output branch pipe (61) are both communicated to the flexible output hose (43).
  8. 8. The automatic charging device of a surface blasting mixed explosive hose loop type according to claim 7, further comprising a mixing drum (7), wherein the mixing drum (7) is arranged above the rear end of the hollow base beam (9), the mixing drum (7) is of a horizontal cylindrical structure, the discharging main pipe (4) and the sensitizer output branch pipe (61) are communicated to the front end of the mixing drum (7), a stirring main shaft (71) transversely penetrates through the mixing drum (7), a spiral blade (72) is fixedly arranged on the stirring main shaft (71), the spiral blade (72) is spirally wound on the surface of the stirring main shaft (71), and an explosive discharging port (73) connected with the flexible output hose (43) is arranged at the rear end of the mixing drum (7).
  9. 9. The automatic charging device for the open-air blasting mixed explosive hose circuit is characterized in that an upper vertical through hole (852) is formed in the transverse guide block (85) in a penetrating mode, a base module (87) is connected to the lower portion of the transverse guide block (85) through a connecting frame (88), a lower vertical through hole (871) which is coaxially arranged with the upper vertical through hole (852) is formed in the base module (87), kong Weikuai (93) is fixedly arranged in the middle of the front end of the hollow base beam (9), and two guide holes for the flexible output hose (43) to penetrate in and out are formed in the hole site block (93) in an up-down mode.
  10. 10. The automatic charging device for the open-air blasting mixed explosive hose loop is characterized in that two friction transmission shafts (872) meshed through gear transmission pairs (873) are rotatably arranged in the base module (87), flexible compression wheels (874) are coaxially arranged on the friction transmission shafts (872) respectively, the two flexible compression wheels (874) are exposed out of the lower vertical through holes (871) and are extruded on the pipe walls at the two sides of the flexible output hose (43), and terminal balancing weights (431) used for guiding the descending are arranged at the tail ends of the flexible output hose (43).

Description

Loop type automatic explosive charging device for surface blasting mixed explosive hose Technical Field The invention belongs to the technical field of automatic surface blasting equipment, and particularly relates to a hose loop type automatic charging device for mixed loading of explosives in surface blasting. Background In surface blasting, a mixed loading explosive truck is core equipment for realizing efficient on-site preparation and automatic loading of explosives. The vehicle is generally composed of a vehicle head and a bearing chassis connected at the rear end, wherein a tank body arranged in a long direction is arranged on the chassis, is used for storing oil-based and water-based mixed base materials of emulsion explosive, and is used for conveying materials to an operation terminal through a special output pipeline. Along with the promotion of wisdom mine construction, blasting operation has put forward higher requirement to the mechanization and the degree of automation of charging process, not only needs equipment to accomplish the scene of material and thoughtlessly join in marriage, more requires it to possess accurate hole site discernment alignment ability and receive and release management function to the automation of charging hose to the blasting hole site demand of complicated changeable mine topography and different degree of depth. Existing charging techniques still have significant limitations in practical applications. Firstly, the accurate alignment link of the charging hose and the blast hole often lacks an effective mechanical adjusting mechanism, so that the positioning process depends on manual traction or repeated fine adjustment of a vehicle, the operation efficiency is low, and the hose is difficult to be ensured to vertically enter the center of the hole. Secondly, for the storage and the flexible management of the long-distance flexible output hose, the hose is a technical pain point in the industry, and if the hose is exposed and hung outside a vehicle body for a long time, the hose is extremely easy to be influenced by the severe environment of a mine to cause winding, breakage or environmental interference and damage. In addition, the existing hose winding and unwinding devices often have difficulty in balancing space utilization and control precision, and lack of mechanical structures capable of realizing large-scale loop adjustment of the hose and maintaining linear stable output in a limited chassis space, so that accurate control of the charging depth and automatic continuity of the operation process are directly limited. Disclosure of Invention In view of the shortcomings of the prior art, the invention aims to provide a hose loop type automatic charging device for mixed explosive in surface blasting, which is used for solving the technical problems of low efficiency of manual hole alignment and easy winding and damage of exposed hoses in the prior art. In order to achieve the above purpose, the present invention provides the following technical solutions: The flexible explosive truck comprises a hole position aligning mechanism, a hollow base beam, a moving assembly and a flexible output hose, wherein the hole position aligning mechanism is arranged at the tail end of a truck frame of the explosive truck, the hole position aligning mechanism comprises a support back plate, a transverse guide beam and a transverse guide block, the transverse guide beam is arranged on the support back plate in a moving mode along the extending direction of the truck frame, the transverse guide block is horizontally arranged on the transverse guide beam in a moving mode, the hollow base beam is arranged on the upper side of the truck frame, the moving assembly horizontally moves along the axial direction of the hollow base beam is arranged inside the hollow base beam, the moving assembly is rotationally connected with a guide roller, the input end of the flexible output hose is communicated with an explosive production source, the flexible output hose sequentially penetrates through the transverse guide block to the inside of the hollow base beam and bypasses the guide roller to form a U-shaped loop with variable length, and finally extends vertically from an output position below the transverse guide block, and the outer overhang length of the flexible output hose is adjusted through axial displacement of the moving assembly in the hollow base beam. Optionally, the back end of the support backboard is fixed with a telescopic driving cylinder, the piston end of the telescopic driving cylinder horizontally passes through the support backboard and is fixedly connected with the middle part of the transverse guide beam, two horizontal sliding rods are symmetrically fixed at two ends of the transverse guide beam, and the two horizontal sliding rods horizontally slide through two ends of the support backboard. Optionally, the transverse guide beam is penetrated and provided with a strip-