Buffer device for mine blasting

Abstract

The utility model discloses a buffer device for mine blasting, which comprises a tripod top plate, a vertical buffer and a horizontal buffer are fixedly connected above the tripod top plate, the vertical buffer and the horizontal buffer can buffer vibration generated during blasting work, a vertical damping spring is fixedly connected below the inside of the vertical buffer, and the vertical damping spring is fixedly connected below the inside of the horizontal buffer. When a connecting plate vibrates, a moving rod and a limiting plate can be driven to move vertically so as to extrude a vertical damping spring, and a damper in the vertical damping spring can play a role in buffering vibration in the vertical direction. The second connecting block is rotationally connected with the first connecting block through the first connecting rod, when the connecting plate vibrates, the second connecting block is driven to vertically move, the first connecting block is driven to horizontally move through the first connecting rod, and then the sliding block extrudes the horizontal damping spring; and a damper in the horizontal damping spring can play a role in buffering vibration in the horizontal direction.

Description

Technical Field

[0001] The utility model relates to the field of mine blasting, in particular to a buffer device for mine blasting. Background Art

[0002] In the field of mining blasting technology, a buffer device for mining blasting is often used. The buffer device for mining blasting is mainly composed of a buffer device and an explosive cartridge, wherein the buffer device is used to buffer the vibration generated by the blasting, and the explosive cartridge is used to place the explosive.

[0003] However, the existing buffer devices for mine blasting do not sufficiently buffer the vibrations caused by blasting, and cannot quickly adjust the position of the explosive barrel, which reduces the safety of mine blasting and affects work efficiency. Utility Model Content

[0004] The utility model aims to provide a buffer device for mine blasting, which solves the problem in the prior art that the buffer device is not sufficient to buffer the vibration generated by blasting, thereby reducing the safety of mine blasting, and also realizes the function of quickly adjusting the position of the explosive barrel, thereby improving work efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a buffer device for mine blasting, comprising a tripod top plate, a vertical buffer and a horizontal buffer are fixedly connected on the top of the tripod top plate, a vertical damping spring is fixedly connected to the lower part of the vertical buffer, the upper end of the vertical damping spring is fixedly connected to a limit plate, a moving rod is fixedly connected to the upper side of the limit plate, and passes through the vertical buffer and is fixedly connected to the connecting plate upward. A horizontal damping spring is fixedly connected to one side of the interior of the horizontal buffer. A slider is fixedly connected to one end of the horizontal damping spring, and a first connecting block is fixedly connected to the top of the slider, and the first connecting block is slidably connected to the top of the horizontal buffer.

[0006] As a further description of the above technical solution: an explosive barrel is fixedly connected to the upper part of the connecting plate, a second connecting block is fixedly connected to the lower part of the connecting plate, and the second connecting block is rotatably connected to the first connecting block through a first connecting rod.

[0007] As a further description of the above technical solution: a tripod outer bracket is fixedly connected to the lower side of the tripod top plate, a movable groove is provided inside the tripod outer bracket, a tripod inner bracket is movably connected inside the movable groove, and a buffer pad is fixedly connected to the end of the tripod inner bracket.

[0008] As a further description of the above technical solution: a rack is fixedly connected to the inner bracket of the tripod, the rack is meshingly connected to a gear, a second connecting rod is fixedly connected to one side of the gear, and the second connecting rod passes through the outer bracket of the tripod and is fixedly connected to a knob outward.

[0009] As a further description of the above technical solution: the buffer pad is composed of a plurality of metal shock-absorbing pads and the top and the bottom are both metal shock-absorbing pads, and a plurality of rubber shock-absorbing pads are fixedly connected between the plurality of metal shock-absorbing pads.

[0010] The utility model has the following beneficial effects:

[0011] 1. Compared with the prior art, the buffer device for mine blasting increases the degree of buffering of vibrations caused by blasting by providing a vertical buffer, a horizontal buffer, a buffer pad, a second connecting block, and a first connecting rod;

[0012] 2. Compared with the prior art, the buffer device for mine blasting is provided with a tripod inner bracket, a rack, a gear, a second connecting rod, and a knob. The length of the inner bracket exposed outside the tripod can be adjusted by the knob to adjust the height of the tripod top plate and the direction of the connecting plate, thereby quickly adjusting the position of the explosive barrel.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a three-dimensional schematic diagram of the internal structure of the horizontal buffer of the utility model.

[0017] Figure 3 It is a side view of the internal structure of the outer support of the tripod of the utility model.

[0018] Figure 4 It is a schematic diagram of the structure of the buffer pad of the utility model.

[0019] Legend:

[0020] 1. Tripod top plate; 2. Tripod outer bracket; 3. Buffer pad; 4. Vertical buffer; 5. Vertical damping spring; 6. Limit plate; 7. Moving rod; 8. Connecting plate; 9. Explosive barrel; 10. Horizontal buffer; 11. Horizontal damping spring; 12. Sliding block; 13. First connecting block; 14. Second connecting block; 15. First connecting rod; 16. Movable slot; 17. Tripod inner bracket; 18. Rack; 19. Gear; 20. Second connecting rod; 21. Knob; 22. Metal shock-absorbing pad; 23. Rubber shock-absorbing pad. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 An embodiment of the utility model provides a buffer device for mine blasting, including a tripod top plate 1, a vertical buffer 4 and a horizontal buffer 10 are fixedly connected above the tripod top plate 1, the vertical buffer 4 and the horizontal buffer 10 can buffer the vibration generated during blasting work, a vertical damping spring 5 is fixedly connected to the lower part of the vertical buffer 4, the upper end of the vertical damping spring 5 is fixedly connected to a limiting plate 6, a moving rod 7 is fixedly connected to the upper side of the limiting plate 6, and the moving rod 7 passes through the vertical buffer 4 and is fixedly connected to the connecting plate 8 upward, the limiting plate 6 can prevent the moving rod 7 from detaching from the vertical buffer 4, when the connecting plate 8 vibrates, it will drive the moving rod 7 and the limiting plate 6 to vertically displace and then squeeze the vertical damping spring 5, the damper inside the vertical damping spring 5 can buffer the vibration in the vertical direction.

[0023] A horizontal damping spring 11 is fixedly connected to one side of the interior of the horizontal buffer 10. A slider 12 is fixedly connected to one end of the horizontal damping spring 11, and a first connecting block 13 is fixedly connected above the slider 12. The first connecting block 13 is slidably connected above the horizontal buffer 10, and when the first connecting block 13 slides, it will slide with the slider 12.

[0024] A powder barrel 9 is fixedly connected to the top of the connecting plate 8, and the powder barrel 9 is used to place explosives. A second connecting block 14 is fixedly connected to the bottom of the connecting plate 8. The second connecting block 14 is rotatably connected to the first connecting block 13 through a first connecting rod 15. When the connecting plate 8 vibrates, the second connecting block 14 is driven to move vertically, and the first connecting block 13 is horizontally displaced through the first connecting rod 15, so that the slider 12 squeezes the horizontal damping spring 11. The damper inside the horizontal damping spring 11 can buffer the vibration in the horizontal direction.

[0025] A tripod outer bracket 2 is fixedly connected to the lower side of the tripod top plate 1, a movable groove 16 is provided inside the tripod outer bracket 2, a tripod inner bracket 17 is movably connected inside the movable groove 16, a buffer pad 3 is fixedly connected to the end of the tripod inner bracket 17, and the buffer pad 3 is placed on the ground to further buffer the vibration generated by the blasting.

[0026] A rack 18 is fixedly connected to the inner bracket 17 of the tripod, and the rack 18 is meshedly connected to a gear 19. A second connecting rod 20 is fixedly connected to one side of the gear 19. The second connecting rod 20 passes through the outer bracket 2 of the tripod and is fixedly connected to a knob 21 outwardly. The second connecting rod 20 drives the gear 19 to rotate by rotating the knob 21. The rack 18 rotates under the meshing action, thereby driving the inner bracket 17 of the tripod to move outward, so as to adjust the height of the tripod top plate 1 and the direction of the connecting plate 8.

[0027] The buffer pad 3 is composed of a plurality of metal shock-absorbing pads 22 , and the top and the bottom are both metal shock-absorbing pads 22 , and a plurality of rubber shock-absorbing pads 23 are fixedly connected between the plurality of metal shock-absorbing pads 22 .

[0028] Working principle: When the device is in use, first turn the knob 21 to make the second connecting rod 20 drive the gear 19 to rotate, and under the meshing action, the rack 18 rotates and finally drives the inner bracket 17 of the tripod to move outward, adjust the height of the tripod top plate 1 and the direction of the connecting plate 8 to a suitable position and allow the explosive barrel 9 to enter the blast hole on the ore body; during blasting, the connecting plate 8 will vibrate and drive the moving rod 7 and the limit plate 6 to move vertically, thereby squeezing the vertical damping spring 5, and the damper inside the vertical damping spring 5 can buffer the vibration in the vertical direction, and also drive the second connecting block 14 to move vertically, and cause the first connecting block 13 to move horizontally through the first connecting rod 15, thereby causing the slider 12 to squeeze the horizontal damping spring 11, and the damper inside the horizontal damping spring 11 can buffer the vibration in the horizontal direction, and the end of the inner bracket 17 of the tripod is fixedly connected with a buffer pad 3, which can further buffer the vibration.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A buffer device for mine blasting, comprising a tripod top plate (1), characterized in that: A vertical buffer (4) and a horizontal buffer (10) are fixedly connected above the tripod top plate (1); a vertical damping spring (5) is fixedly connected to the lower part of the vertical buffer (4); the upper end of the vertical damping spring (5) is fixedly connected to a limit plate (6); a moving rod (7) is fixedly connected to the upper side of the limit plate (6), passes through the vertical buffer (4) and is fixedly connected to the connecting plate (8) upward; A horizontal damping spring (11) is fixedly connected to one side of the interior of the horizontal buffer (10), a slider (12) is fixedly connected to one end of the horizontal damping spring (11), a first connecting block (13) is fixedly connected above the slider (12), and the first connecting block (13) is slidably connected above the horizontal buffer (10).

2. A buffer device for mine blasting according to claim 1, characterized in that: An explosive barrel (9) is fixedly connected to the top of the connecting plate (8), and a second connecting block (14) is fixedly connected to the bottom of the connecting plate (8). The second connecting block (14) is rotatably connected to the first connecting block (13) via a first connecting rod (15).

3. A buffer device for mine blasting according to claim 1, characterized in that: The lower side of the tripod top plate (1) is fixedly connected to a tripod outer bracket (2), a movable groove (16) is provided inside the tripod outer bracket (2), a tripod inner bracket (17) is movably connected inside the movable groove (16), and a buffer pad (3) is fixedly connected to the end of the tripod inner bracket (17).

4. A buffer device for mine blasting according to claim 3, characterized in that: A rack (18) is fixedly connected to the inner tripod bracket (17), the rack (18) is meshingly connected to a gear (19), one side of the gear (19) is fixedly connected to a second connecting rod (20), and the second connecting rod (20) passes through the outer tripod bracket (2) and is fixedly connected to a knob (21) outwardly.

5. A buffer device for mine blasting according to claim 3, characterized in that: The buffer pad (3) is composed of a plurality of metal shock-absorbing pads (22), and the top and the bottom are both metal shock-absorbing pads (22), and a plurality of rubber shock-absorbing pads (23) are fixedly connected between the plurality of metal shock-absorbing pads (22).

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