Vibration monitoring and safety protection device for blasting

Abstract

The utility model provides a shock monitoring and safety protection device for blasting, which comprises a hollow protection plate with an opening, and a shock absorption plate parallel to the protection plate is embedded at the opening; a plurality of fixing rods are arranged at the inner top end and the inner bottom end of the protection plate, the axial direction of the fixing rods is perpendicular to the damping plate, the fixing rods are sleeved with movable blocks, and the movable blocks are fixedly connected with the damping plate; and a damping device is arranged between the protection plate and the damping plate. Vibration monitoring and damping protection are both considered, the impact force of flying rocks is effectively relieved through the damping device while it is guaranteed that blasting vibration data caused by impact vibration of the flying rocks are effectively monitored, and scientific and objective data and basis are safely and effectively provided for blasting construction.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of blasting construction technology, specifically relates to a vibration monitoring and safety protection device for blasting. BACKGROUND

[0002] In the specific use in the blasting construction process, in order to timely adjust the blasting design parameter, provide scientific, objective data and basis for blasting construction, need through the measured vibration data, thereby determine the reasonable blasting scale.

[0003] The control blasting flystone generally adopts the dosage calculation form of reinforced loose blasting, makes the blasting rock only produce crushing and proper displacement, does not have too much energy to produce the throwing effect to the blasting rock, simultaneously fully creates and utilizes the free surface, and adopts the millisecond blasting technique, makes the blasthole blasting start from the free surface and sequentially millisecond interval detonation from outside to inside, reduces the clamping effect of the rear blasthole during blasting, prevents the generation of overlong flystone.

[0004] When carrying out the blasting operation outdoors, the blasting operation is carried out through the damage reduction of the excavation face, the explosion flystone shock wave data of the blasting face needs to be tested, the blasting vibration data needs to be detected in real time, the underground vibration detection of the blasting face and the ground vibration detection caused by the underground vibration are detected, and the stress surface and impulse kinetic energy of the flystone impact wave are tested. But the flystone impacts the ground to form the flystone jet surface, causes the blasting flystone to scatter and splash, is easy to hurt people and damage the building materials around the excavation face, needs to be controlled and protected, and the flystone protection fence structure is simple at present, the anti-impact performance is low, and the monitoring function is not possessed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a vibration monitoring and safety protection device for blasting to solve the above-mentioned prior art deficiencies.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A vibration monitoring and safety protection device for blasting, comprising two bases, the upper end face of the base is provided with a support column, and the support column is vertically provided with a hollow protection plate between the support columns.

[0008] The front surface of the protection plate is provided with an opening, and the opening is embedded with a damping plate parallel to the protection plate.

[0009] The inner top end and the inner bottom end of the protection plate are provided with a plurality of fixing rods, the axial direction of the fixing rod is perpendicular to the damping plate, and the fixing rod is provided with a movable block, and the movable block is fixedly connected with the damping plate.

[0010] The damping device is arranged between the protective plate and the damping plate, and comprises a first connecting head fixedly connected with the back surface of the damping plate, a movable rod with one axial end movably connected with the first connecting head, a second connecting head movably connected with the other axial end of the movable rod, a sliding block fixedly connected with the second connecting head, and a limiting mechanism.

[0011] The limiting mechanism comprises a sliding groove arranged on the inner wall of the protective plate and a spring with one axial end fixedly connected with the inner wall of the sliding groove, and the other axial end of the spring is in abutment with the sliding block, so that the sliding block is limited to move in the sliding groove.

[0012] Further, the front surface of the damping plate is provided with a blasting vibration tester.

[0013] Further, the back surface of the protective plate is provided with a support frame, the support frame comprises a fixed plate and an extension rod, one axial end of the fixed plate is hingedly connected with a reinforcing base, the other axial end of the fixed plate is sleeved with one axial end of the extension rod and is provided with a locking piece, and the other axial end of the extension rod is hingedly connected with the back surface of the protective plate.

[0014] Further, the surface of the base is provided with a plurality of bolt holes.

[0015] According to the above technical scheme, the blasting vibration monitoring and damping protection are considered, the blasting vibration data caused by the impact of flying stones is effectively monitored, the impact force of the flying stones is effectively relieved through the damping device, and scientific and objective data and basis are provided for the blasting construction. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a protective plate and damping plate structure schematic view of the utility model;

[0018] Figure 3 It is a damping device structure schematic view of the utility model;

[0019] Figure 4 It is a support frame structure schematic view of the utility model;

[0020] In the drawing: 1, base; 2, support column; 3, protective plate; 4, damping plate; 5, fixed rod; 6, movable block; 7, damping device; 8, blasting vibration tester; 9, support frame; 701, first connecting head; 702, movable rod; 703, second connecting head; 704, sliding block; 705, sliding groove; 706, spring; 901, fixed plate; 902, extension rod; 903, reinforcing base; 904, locking piece; 101, bolt hole. DETAILED DESCRIPTION

[0021] A preferred embodiment of the utility model will be described in detail below in combination with the drawings.

[0022] As Figure 1 The shock monitoring and safety protection device for blasting comprises two bases 1, the upper end face of the base 1 is provided with a support column 2, and the support column 2 is vertically provided with a hollow protection plate 3; the front face of the protection plate 3 is provided with an opening, and the opening is embedded with a damping plate 4 which is arranged in parallel with the protection plate 3.

[0023] As Figure 2 The inner top end and the inner bottom end of the protection plate 3 are provided with a plurality of fixing rods 5, the axial direction of the fixing rod 5 is perpendicular to the damping plate 4, a movable block 6 is sleeved on the fixing rod 5, the movable block 6 is fixedly connected with the damping plate 4, and a damping device 7 is arranged between the protection plate 3 and the damping plate 4.

[0024] As Figure 2 And 3 The damping device 7 comprises a first connecting head 701 fixedly connected with the back face of the damping plate 4, a movable rod 702 movably connected with one end of the axial direction of the first connecting head 701, a second connecting head 703 movably connected with the other end of the axial direction of the movable rod 702, a sliding block 704 fixedly connected with the second connecting head 703, and a limiting mechanism; the limiting mechanism comprises a sliding groove 705 arranged on the inner wall of the protection plate 3 and a spring 706 fixedly connected with the inner wall of the sliding groove 705 at one end of the axial direction, and the other end of the axial direction of the spring 706 is in abutment with the sliding block 704, so that the sliding block 704 is limited to move in the sliding groove 705.

[0025] The front face of the damping plate 4 is provided with a blasting vibration tester 8, and the blasting vibration tester 8 can effectively monitor the blasting vibration data caused by the impact vibration of flying stones.

[0026] In order to strengthen the stability of the whole device, the back face of the protection plate 3 is provided with a support frame 9, as Figure 4 The support frame 9 comprises a fixed plate 901 and an extension rod 902, one end of the axial direction of the fixed plate 901 is hinged with a reinforcing base 903, the other end of the axial direction of the fixed plate 901 is sleeved with one end of the axial direction of the extension rod 902 and is provided with a locking piece 904, and the other end of the axial direction of the extension rod 902 is hinged with the back face of the protection plate 3. Similarly, the surface of the base 1 is provided with a plurality of bolt holes 101, and in specific use, the bolts can be inserted into the bolt holes 101 to further increase the stability of the whole device.

[0027] Working principle: when the blasting process has a flying stone impact, the shock absorbing plate 4 receives the impact force, drives the movable block 6 to move on the fixed rod 5, at the same time, the first connecting head 701 extrudes the movable rod 702 inward, the movable rod 702 drives the sliding block 704 to move in the sliding groove 705, at the same time, the spring 706 is extruded by the sliding block 704 and shrinks, thereby playing a shock absorbing effect, so as to effectively prevent the impact force of the flying stone, and at the same time, the blasting vibration tester 8 can monitor the flying stone.

[0028] The above-described embodiments are merely preferred embodiments of the present application, and are not intended to limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements to the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A shock monitoring and safety protection device for blasting, comprising two bases (1), characterized in that, The upper end face of the base (1) is provided with support columns (2), and hollow protective plates (3) are vertically arranged between the support columns (2); The front face of the protective plate (3) is provided with an opening, and a damping plate (4) parallel to the protective plate (3) is embedded at the opening; The inner top end and the inner bottom end of the protective plate (3) are provided with a plurality of fixing rods (5), the axial direction of the fixing rods (5) is perpendicular to the damping plate (4), and a movable block (6) is sleeved on the fixing rod (5), and the movable block (6) is fixedly connected with the damping plate (4); A damping device (7) is arranged between the protective plate (3) and the damping plate (4), the damping device (7) comprises a first connecting head (701) fixedly connected with the back face of the damping plate (4), a movable rod (702) movably connected with one end of the first connecting head (701) in the axial direction, a second connecting head (703) movably connected with the other end of the movable rod (702) in the axial direction, a sliding block (704) fixedly connected with the second connecting head (703), and a limiting mechanism; The limiting mechanism comprises a sliding groove (705) arranged on the inner wall of the protective plate (3) and a spring (706) fixedly connected with the inner wall of the sliding groove (705) at one end in the axial direction, and the other end of the spring (706) is in abutment with the sliding block (704), so that the sliding block (704) is limited to move in the sliding groove (705).

2. The shock monitoring and safety protection device for blasting according to claim 1, characterized in that, The front face of the damping plate (4) is provided with a blasting vibration tester (8).

3. The shock monitoring and safety protection device for blasting according to claim 1, characterized in that, The back face of the protective plate (3) is provided with a support frame (9), the support frame (9) comprises a fixed plate (901) and an extension rod (902), one end of the fixed plate (901) is hingedly connected with a reinforcing base (903), the other end of the fixed plate (901) is sleeved with one end of the extension rod (902) and is provided with a locking piece (904), and the other end of the extension rod (902) is hingedly connected with the back face of the protective plate (3).

4. The shock monitoring and safety protection device for blasting according to claim 1, characterized in that, The surface of the base (1) is provided with a plurality of bolt holes (101).

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