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CN-224230864-U - Spacer for blasting with multilayer protection bag structure

CN224230864UCN 224230864 UCN224230864 UCN 224230864UCN-224230864-U

Abstract

The utility model belongs to the technical field of spacers for blasting, in particular to a spacer for blasting with a multilayer protection bag structure, which comprises a mounting frame, the inner wall of the mounting frame is penetrated with a bidirectional screw rod, the top end of the bidirectional screw rod is connected with a chassis in a threaded manner, and the top end of the chassis is fixedly connected with an outer sealing ring. According to the utility model, the outer protection bag and the inner protection bag are arranged, when the bidirectional screw rod rotates, the chassis and the top plate are driven to slide relatively along the inner wall of the installation frame, the chassis slides to drive the outer sealing ring to be attached to the edge of the outer wall of the outer protection bag, so that the outer protection bag is driven to be tightly attached to the outer wall of the installation frame, and meanwhile, the top plate slides to drive the inner sealing ring to be attached to the edge of the outer wall of the inner protection bag, so that the inner protection bag is driven to be tightly attached to the outer wall of the installation frame, the installation of the outer protection bag and the inner protection bag is realized, the protection bag is prevented from deforming when being inflated, and the stability of the utility model is improved.

Inventors

  • LIU YUANYUAN

Assignees

  • 安博尔(山东)新材料科技有限公司

Dates

Publication Date
20260512
Application Date
20250630

Claims (7)

  1. 1. The utility model provides a spacer for blasting with multilayer protection bag structure, its characterized in that, including installing frame (1), the inner wall of installing frame (1) runs through there is bi-directional screw (2), the top threaded connection of bi-directional screw (2) has chassis (3), the top fixedly connected with outer sealing washer (4) of chassis (3), the inseparable pressfitting in junction part of outer sealing washer (4) and installing frame (1) has outer protection bag (5), the outer wall of outer protection bag (5) is provided with anti-skidding packing ring (6), the bottom threaded connection of bi-directional screw (2) has roof-plate (7), the bottom fixedly connected with inner sealing washer (8) of roof-plate (7), the junction part inseparable pressfitting of inner sealing washer (8) and installing frame (1) has inner protection bag (9), the bottom of inner protection bag (9) is provided with air vent (10), the bottom fixedly connected with inflator (11) of installing frame (1), the bottom fixedly connected with mouth (12) of inflator (11), the bottom fixedly connected with balancing weight (13) of outer protection bag (5), the bottom fixedly connected with frame (13) of balancing weight (13).
  2. 2. The blasting spacer with a multi-layered protection bag structure according to claim 1, wherein the cross section of the installation frame (1) is in an I shape, and the central axes of the bottom plate (3) and the top plate (7) coincide.
  3. 3. The spacer for blasting having a multi-layered protection bag structure according to claim 1, wherein the outer protection bag (5) is formed into a sealing structure between the outer sealing ring (4) and the mounting frame (1), and the anti-slip washers (6) are equidistantly distributed along the outer wall of the outer protection bag (5).
  4. 4. The blasting spacer with a multi-layered protection bag structure according to claim 1, wherein the inner protection bag (9) is formed in a sealing structure between the inner sealing ring (8) and the mounting frame (1).
  5. 5. The spacer with the multilayer protection bag structure for blasting according to claim 1, wherein the inner wall of the positioning frame (13) is rotatably connected with a positioning spring (15), one end of the positioning spring (15) is fixedly connected with a connecting block (16), the outer wall of the connecting block (16) is rotatably connected with a supporting plate (17) rotatably connected with the inner wall of the positioning frame (13), the outer wall of the supporting plate (17) is fixedly connected with a connecting ring (18), and one end of the supporting plate (17) is fixedly connected with a positioning column (19).
  6. 6. The blasting spacer with a multi-layered protection bag structure according to claim 5, wherein the positioning frames (13) are provided with four groups, and the four groups of the positioning frames (13) are circumferentially distributed at equal angles with respect to the central axis of the outer protection bag (5).
  7. 7. The blasting spacer with a multi-layered protection bag structure according to claim 5, wherein the supporting plate (17) has an inclined shape in its outer shape.

Description

Spacer for blasting with multilayer protection bag structure Technical Field The utility model belongs to the technical field of spacers for blasting, and particularly relates to a spacer for blasting with a multi-layer protection bag structure. Background The spacer for blasting can reduce the specific explosive consumption, reduce the shock absorption, the water resistance and the root, reduce the explosion pressure in a blast hole, reduce or even avoid the impact and the crushing of rock ore formed by coupling charging, enlarge the range of a cracking area, improve the effective utilization rate of the blasting energy of the explosive, thereby reducing the specific explosive consumption. However, when the spacer is used, the protective bag is easy to deform when inflated, so that the effective spacing of the blast holes cannot be performed. Disclosure of Invention The utility model aims to provide a spacer for blasting with a multi-layer protection bag structure, which solves the problems in the prior art. In view of the above, the utility model provides a spacer for blasting with a multi-layer protection bag structure, which comprises a mounting frame, wherein the inner wall of the mounting frame is penetrated with a bidirectional screw, the top end of the bidirectional screw is in threaded connection with a chassis, the top end of the chassis is fixedly connected with an outer sealing ring, the connecting part of the outer sealing ring and the mounting frame is tightly pressed with an outer protection bag, the outer wall of the outer protection bag is provided with an anti-slip gasket, the bottom end of the bidirectional screw is in threaded connection with a top disc, the bottom end of the top disc is fixedly connected with an inner sealing ring, the connecting part of the inner sealing ring and the mounting frame is tightly pressed with an inner protection bag, the bottom end of the inner protection bag is provided with a vent, the bottom end of the mounting frame is fixedly connected with an inflator, the bottom end of the inflator is fixedly connected with an inflation inlet, the bottom end of the outer protection bag is fixedly connected with a positioning frame, and the bottom end of the positioning frame is fixedly connected with a balancing weight. Based on the structure, when the bidirectional screw rotates, the chassis and the top plate are driven to slide relatively along the inner wall of the installation frame, the chassis slides to drive the outer sealing ring to be attached to the edge of the outer wall of the outer protection bag, so that the outer protection bag is driven to be tightly attached to the outer wall of the installation frame, and meanwhile, the top plate slides to drive the inner sealing ring to be attached to the edge of the outer wall of the inner protection bag, so that the inner protection bag is driven to be tightly attached to the outer wall of the installation frame, the installation of the outer protection bag and the inner protection bag is realized, the protection bag is prevented from being deformed when being inflated, and the stability of the utility model is improved. Preferably, the cross section of the installation frame is in an i shape, the central axes of the bottom plate and the top plate are overlapped, in this embodiment, when the bidirectional screw rotates, the bottom plate and the top plate are driven to slide relatively along the inner wall of the installation frame, so as to realize the control operation of the relative sliding of the bottom plate and the top plate. Preferably, the outer protection bag passes through and constitutes seal structure between outer sealing washer and the installing frame, anti-skidding packing ring distributes along the outer wall equidistance of outer protection bag, and in this embodiment, the chassis slides and drives outer sealing washer and outer protection bag's outer wall edge and laminate mutually to drive outer protection bag and installing frame's outer wall and closely laminate, in this embodiment, the top disk slides and drives interior sealing washer and interior protection bag's outer wall edge and laminate mutually, thereby drives interior protection bag and installing frame's outer wall and closely laminate. Preferably, the inner protection bag forms a sealing structure with the installation frame through an inner sealing ring, in the embodiment, when the connecting ring moves, the supporting plate is driven to overcome the elastic force of the positioning spring to rotate, when the positioning column at one end of the supporting plate is attached to the inner wall of the blast hole, the positioning spring drives the supporting plate to position through the elastic force of the positioning spring, so that the positioning of the positioning frame is realized, and the slipping of the utility model is avoided. Preferably, the inner wall of the positioning frame is screwed with a positioning spring, one e