Deep hole blasting spacer

Abstract

The utility model relates to the technical field of spacers, and discloses a deep hole blasting spacer which comprises an air bag, a supporting barrel is fixedly installed at the top of the air bag, hooks are fixedly connected to the outer surfaces of the two sides of the supporting barrel, a motor is fixedly installed on one side of the top of the supporting barrel, and the output end of the motor is fixedly connected with a transmission shaft. A first bevel gear is fixedly connected to one end of the transmission shaft, a movable supporting seat is fixedly connected to the inner surface of one side of the supporting cylinder, a rotating rod is rotationally connected between one side of the movable supporting seat and the inner wall of the supporting cylinder, a half gear is fixedly connected to the outer surface of one end of the rotating rod, and a second bevel gear is fixedly connected to the side, away from the half gear, of the outer surface of the rotating rod; the inner surfaces of the two ends of the supporting cylinder are fixedly connected with supporting rods, the top of one end of each supporting rod is fixedly connected with a sliding block, the top end of the inner wall of the supporting cylinder is fixedly connected with a telescopic rod, air leakage of the air bag during air exchange can be avoided, and then the air inflation efficiency of the air bag is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spacers, in particular to a deep hole blasting spacer. Background Art

[0002] At present, the construction of mountain tunnels inevitably involves rock blasting. In deep hole blasting, deep hole blasting spacers are required.

[0003] However, the existing blasting spacers inflate slowly during the inflation process and are prone to deflation, which will affect the use of the spacer and further limit the blasting efficiency. For this reason, we propose a deep hole blasting spacer. Utility Model Content

[0004] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, one purpose of the utility model is to provide a deep hole blasting spacer, which avoids air leakage during inflation and improves the inflation efficiency of the device.

[0005] According to the deep hole blasting spacer proposed in the utility model, it includes an airbag, a support tube is fixedly installed on the top of the airbag, hooks are fixedly connected to the outer surfaces of both sides of the support tube, a motor is fixedly installed on one side of the top of the support tube, the output end of the motor is fixedly connected to a transmission shaft, one end of the transmission shaft is fixedly connected to a first bevel gear, a movable support seat is fixedly connected to the inner surface of one side of the support tube, a rotating rod is rotatably connected between one side of the movable support seat and the inner wall of the support tube, a half gear is fixedly connected to the outer surface of one end of the rotating rod, a second bevel gear is fixedly connected to the outer surface of the rotating rod away from the half gear, and the second bevel gear is meshed with the first bevel gear, the inner surfaces of both ends of the support tube are fixedly connected to support rods, and the tops of the two support rods at one end The top of the inner wall of the support tube is fixedly connected with a telescopic rod, and one end of the bottom of the telescopic rod is fixedly connected with a lifting column, and a first spring is fixedly connected between the top of the lifting column and the inner wall of the support tube and sleeved on the outer end of the telescopic rod. The outer surface of the lifting column is provided with a plurality of tooth grooves on one side of the semi-gear, and the plurality of tooth grooves are meshed with the semi-gear, and the bottom of the lifting column is fixedly connected with a piston, and the bottom end of the support tube and the lower end of the piston are fixedly connected with an intake pipe, and the outer diameter of the piston is slidably connected with the inner diameter of the intake pipe, and the bottom of the support tube is slidably connected with a movable rod, and the upper end of the outer surface of the movable rod is fixedly connected with a plurality of limit blocks distributed in a circle center array, and the bottoms of the plurality of limit blocks are fixedly connected with a second spring.

[0006] Preferably, a plurality of protrusions are fixedly connected to the outer surface of the airbag.

[0007] Preferably, through holes are formed on both sides of the top of the support tube.

[0008] Preferably, the outer surface of the lifting column is provided with sliding grooves on both sides of the support rod, and the sliding blocks are both clamped in the sliding grooves.

[0009] Preferably, the bottom of the support tube is provided with a plurality of limit grooves distributed in a circular array, and the limit blocks are all clamped in the limit grooves, and a through groove is formed through one end of a plurality of the limit grooves, and the through groove extends downward to the inside of the airbag.

[0010] The beneficial effects of the utility model are as follows: first, the motor is started to drive the transmission shaft to rotate, and then the first bevel gear, the second bevel gear, the rotating rod, the half gear, the lifting column, the plurality of tooth grooves, the first spring, and the support rod are used in conjunction with each other, so that the piston can slide back and forth up and down along the inner wall of the intake pipe, thereby improving the inflation efficiency. At the same time, the setting of the limit groove, the movable rod, the limit block, the second spring, and the through groove can avoid air leakage of the airbag during ventilation, thereby improving the inflation efficiency of the airbag. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the overall structure of the deep hole blasting spacer proposed by the utility model.

[0012] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the deep hole blasting spacer proposed by the utility model.

[0013] Figure 3 This is a schematic diagram of the cross-sectional structure of the support tube of the deep hole blasting spacer proposed by the utility model.

[0014] Figure 4 This is a schematic diagram of the lifting column structure of the deep hole blasting spacer proposed by the utility model.

[0015] Figure 5 This is a schematic diagram of the enlarged structure of point A of the deep hole blasting spacer proposed in the utility model.

[0016] In the figure: 1. airbag; 11. protrusion; 2. support tube; 201. through hole; 202. limit groove; 203. through groove; 21. hook; 22. motor; 23. transmission shaft; 24. first bevel gear; 3. rotating rod; 31. half gear; 32. second bevel gear; 33. movable support seat; 4. support rod; 41. slider; 5. lifting column; 51. slide groove; 52. tooth groove; 53. telescopic rod; 54. first spring; 6. piston; 61. intake pipe; 7. movable rod; 71. limit block; 72. second spring. DETAILED DESCRIPTION

[0017] Reference Figure 1-5The deep hole blasting spacer comprises an airbag 1, a support tube 2 is fixedly installed on the top of the airbag 1, hooks 21 are fixedly connected to the outer surfaces of both sides of the support tube 2, a motor 22 is fixedly installed on one side of the top of the support tube 2, a transmission shaft 23 is fixedly connected to the output end of the motor 22, one end of the transmission shaft 23 is fixedly connected to the first bevel gear 24, a movable support seat 33 is fixedly connected to the inner surface of one side of the support tube 2, a rotating rod 3 is rotatably connected between one side of the movable support seat 33 and the inner wall of the support tube 2, a half gear 31 is fixedly connected to the outer surface of one end of the rotating rod 3, a second bevel gear 32 is fixedly connected to the outer surface of the rotating rod 3 away from the half gear 31, and the second bevel gear 32 is meshed with the first bevel gear 24, support rods 4 are fixedly connected to the inner surfaces of both ends of the support tube 2, and sliding wheels 33 are fixedly connected to the tops of one end of the two support rods 4. Block 41, a telescopic rod 53 is fixedly connected to the top of the inner wall of the support cylinder 2, and a lifting column 5 is fixedly connected to one end of the bottom of the telescopic rod 53. A first spring 54 is fixedly connected between the top of the lifting column 5 and the inner wall of the support cylinder 2 and is sleeved on the outer end of the telescopic rod 53. A plurality of tooth grooves 52 are provided on the outer surface of the lifting column 5 on one side of the half gear 31, and the plurality of tooth grooves 52 are meshed and connected with the half gear 31. A piston 6 is fixedly connected to the bottom of the lifting column 5. An air intake pipe 61 is fixedly connected to the bottom of the support cylinder 2 and located at the lower end of the piston 6, and the outer diameter of the piston 6 is slidably connected to the inner diameter of the air intake pipe 61. A movable rod 7 is slidably connected to the bottom of the support cylinder 2. A plurality of limit blocks 71 distributed in a circle array are fixedly connected to the upper end of the outer surface of the movable rod 7, and a second spring 72 is fixedly connected to the bottom of the plurality of limit blocks 71.

[0018] Furthermore, a plurality of protrusions 11 are fixedly connected to the outer surface of the airbag 1 , and the protrusions 11 can increase the friction between the airbag 1 and the inner wall of the deep hole.

[0019] Furthermore, through holes 201 are provided on both sides of the top of the support tube 2 , and the through holes 201 serve to facilitate air flow.

[0020] Furthermore, the outer surface of the lifting column 5 is provided with sliding grooves 51 on both sides of the support rod 4 , and the sliders 41 are both stuck in the sliding grooves 51 , and the lifting column 5 slides up and down along the sliders 41 through the sliding grooves 51 .

[0021] Furthermore, a plurality of limit grooves 202 distributed in a circular array are provided at the bottom of the support tube 2, and the limit blocks 71 are all stuck in the limit grooves 202. A through groove 203 is provided at one end of a plurality of limit grooves 202, and the through groove 203 extends downward to the interior of the airbag 1. The limit blocks 71 will compress the second spring 72 along the inner wall of the limit groove 202, and the gas will be transported to the interior of the airbag 1 through the limit groove 202 and the through groove 203.

[0022] When the device is used, the spacer can be placed at the required position inside the blasting hole through the two hooks 21, and then the motor 22 is started to drive the transmission shaft 23 to rotate. The rotation of the transmission shaft 23 drives the first bevel gear 24, and the first bevel gear 24 drives the second bevel gear 32 to rotate through engagement. The rotation of the second bevel gear 32 drives the rotating rod 3 to rotate along the movable support seat 33, and then the rotating rod 3 will drive the half gear 31 to engage with a plurality of tooth grooves 52, so as to drive the lifting column 5 to move upward, and the lifting column 5 slides up and down along the slider 41 through the slide groove 51, which will cause the lifting column 5 to compress the first spring 54. When the half gear 31 rotates to the other side without engaging with a plurality of tooth grooves 52, it will immediately pass through the first spring 5 The reset action of 4 drives the lifting column 5 to move downward, which in turn causes the piston 6 to move reciprocatingly up and down, so that the piston 6 can inflate the inside of the air intake pipe 61. When the piston 6 is squeezed inside the air intake pipe 61, it will drive the movable rod 7 to slide downward along the limit groove 202 through the limit block 71, thereby compressing the second spring 72. When several limit blocks 71 slide to the lower end of the limit groove 202, the limit groove 202 and the through groove 203 are in a state of mutual communication, so that the inside of the airbag 1 can be inflated. When the piston 6 moves upward for ventilation, the limit block 71 will be stuck at the upper end of the limit groove 202 through the reset action of the second spring 72, so as to avoid leakage of the airbag 1 during ventilation, thereby improving the inflation efficiency of the airbag 1.

Claims

1. A deep hole blasting spacer, comprising an air bag (1), characterized in that: A support tube (2) is fixedly installed on the top of the airbag (1), and hooks (21) are fixedly connected to the outer surfaces of both sides of the support tube (2). A motor (22) is fixedly installed on one side of the top of the support tube (2), and the output end of the motor (22) is fixedly connected to a transmission shaft (23), and one end of the transmission shaft (23) is fixedly connected to a first bevel gear (24). A movable support seat (33) is fixedly connected to the inner surface of one side of the support tube (2), and a rotating rod (3) is rotatably connected between one side of the movable support seat (33) and the inner wall of the support tube (2). A half gear (31) is fixedly connected to the outer surface of one end of the rotating rod (3), and a second bevel gear (32) is fixedly connected to the outer surface of the rotating rod (3) away from the half gear (31), and the second bevel gear (32) is meshingly connected to the first bevel gear (24). Support rods (4) are fixedly connected to the inner surfaces of both ends of the support tube (2), and sliders (41) are fixedly connected to the tops of one ends of the two support rods (4). The top of the inner wall of the support tube (2) is fixedly connected with a telescopic rod (53), and one end of the bottom of the telescopic rod (53) is fixedly connected with a lifting column (5). A first spring (54) is fixedly connected between the top of the lifting column (5) and the inner wall of the support tube (2) and is sleeved on the outer end of the telescopic rod (53). The outer surface of the lifting column (5) is located on one side of the half gear (31) and is provided with a plurality of tooth grooves (52), and the plurality of tooth grooves (52) are meshed with the half gear (31). The lifting column (5) 5) A piston (6) is fixedly connected to the bottom, an air intake pipe (61) is fixedly connected to the bottom of the support cylinder (2) and located below the piston (6), and the outer diameter of the piston (6) is slidably connected to the inner diameter of the air intake pipe (61), a movable rod (7) is slidably connected to the bottom of the support cylinder (2), and a plurality of limit blocks (71) distributed in a circle array are fixedly connected to the upper end of the outer surface of the movable rod (7), and a second spring (72) is fixedly connected to the bottom of the plurality of limit blocks (71).

2. The deep hole blasting spacer according to claim 1, characterized in that: A plurality of protrusions (11) are fixedly connected to the outer surface of the airbag (1).

3. The deep hole blasting spacer according to claim 1, characterized in that: Through holes (201) are formed on both sides of the top of the support tube (2).

4. The deep hole blasting spacer according to claim 1, characterized in that: The outer surface of the lifting column (5) is provided with sliding grooves (51) on both sides of the support rod (4), and the sliding blocks (41) are both clamped in the sliding grooves (51).

5. The deep hole blasting spacer according to claim 1, characterized in that: The bottom of the support tube (2) is provided with a plurality of limit grooves (202) distributed in a circle array, and the limit blocks (71) are all clamped in the limit grooves (202), and a through groove (203) is formed through one end of the plurality of limit grooves (202), and the through groove (203) extends downward to the interior of the airbag (1).

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