阅读说明：本技术 支持减震的微震监测系统地下保护装置 (Support absorbing microseism monitoring system underground protection device ) 是由 吴涛 庞聪 江勇 廖成旺 丁炜 于 2020-06-30 设计创作，主要内容包括：本发明公开了一种支持减震的微震监测系统地下保护装置,涉及一种微震监测系统保护装置。本发明包括保护壳(10)、底座(20)、固定支架(30)、螺栓(40)和螺母(50)；从下到上,底座(20)和固定支架(30)连接,通过螺栓(40)和螺母(50)将底座(20)和保护壳(10)旋紧连接。与现有技术相比,本发明具有以下优点和积极效果：①轻便小巧,便于携带；②安全性好,具备减震、密封功能,可降低微震监测系统被破坏的风险；③适用于微震监测、强震动观测、土木结构振动入侵预警等领域。(The invention discloses an underground protection device of a micro-seismic monitoring system supporting shock absorption, and relates to a protection device of a micro-seismic monitoring system. The invention comprises a protective shell (10), a base (20), a fixed support (30), a bolt (40) and a nut (50); from bottom to top, base (20) and fixed bolster (30) are connected, screw the connection with protective housing (10) base (20) through bolt (40) and nut (50). Compared with the prior art, the invention has the following advantages and positive effects: the portable type multifunctional electric water heater is light, small and convenient to carry; the safety is good, the functions of shock absorption and sealing are achieved, and the risk of damage of the micro-seismic monitoring system can be reduced; and the method is suitable for the fields of micro-seismic monitoring, strong-seismic observation, civil structure vibration invasion early warning and the like.)

1. The utility model provides a support absorbing microseism monitoring system underground protection device which characterized in that:

comprises a protective shell (10), a base (20), a fixed support (30), a bolt (40) and a nut (50);

from bottom to top, base (20) and fixed bolster (30) are connected, screw the connection with protective housing (10) base (20) through bolt (40) and nut (50).

2. The seismic supportive microseismic monitoring system underground protective device of claim 1 wherein:

the protective shell (10) is a shell consisting of a cylinder (11) with a top and a circular ring piece (12) which are connected up and down;

3 round holes (121) and 6 damping brackets (122) are uniformly distributed on the circular ring piece (12) in a staggered manner;

the round hole (121) is connected with the bolt (40) in an adaptive manner;

the damping support (122) is in adaptive connection with the bidirectional spring ball block (123);

the bidirectional spring ball block (123) is formed by connecting 1 stainless steel block (123-1), 2 alloy steel springs (123-2) and 2 stainless steel balls (123-3) in a bilateral symmetry mode, a central circular through hole of the stainless steel block (123-1) is connected with the shock absorption support (12) in an adaptive mode and placed in the spring block sector ring track (21).

3. The seismic supportive microseismic monitoring system underground protective device of claim 1 wherein:

the base (20) is a stainless steel disc;

on the disc, from outer lane to inner circle, have in proper order:

6 spring block fan ring tracks (21) and 6 fixing holes (23) are uniformly and alternately arranged, a sealing ring (22) is arranged, 6 bracket holes (24) are uniformly arranged, and a fixing pit (25) is arranged;

the spring block sector ring rail (21) is used for placing the bidirectional spring ball block (13), the fixing hole (23) is used for placing the bolt (40), the sealing ring (22) is internally provided with the silica gel gasket (26), the bracket hole (24) is used for placing the fixing bracket (30), and the fixing pit (25) is used for placing the microseismic monitoring system.

4. The seismic supportive microseismic monitoring system underground protective device of claim 1 wherein:

the fixed bracket (30) is a bracket consisting of a brass column (31) and a circular ring piece (32);

6 brass columns (31) are uniformly distributed on the outer side of the bracket;

a circular ring piece (32) is arranged in the middle of the support, 6 circular through holes are uniformly distributed on the outer side of the support, and the circular through holes are connected with the brass columns (31) in a size-adaptive manner.

5. Method for processing and using underground protection device of micro-seismic monitoring system supporting shock absorption based on claim 1, 2, 3 or 4

Digging a foundation pit: the protection device places the place and should select hidden soft soil layer, utilizes mechanical rotary drill bit to excavate the cuboid foundation ditch, and the foundation ditch size is: length x width x height = 0.4m x 0.32m x 0.8m, the bottom of the foundation pit is flat and has no foreign matter;

secondly, casting a protective shell (10) by using a sand mold, machining 6 circular holes (121) with symmetrical circumferences in a numerical control mode, and connecting and fixing 6 damping supports (122) and the bottom surface of the protective shell (10) through welding;

thirdly, a base (20) is die-cast, a spring block sector ring track (21) is drilled, a fixed hole (23) and a bracket hole (24) are machined in a numerical control mode, a sealing ring (22) is turned, and a fixed pit (25) is cut;

pouring the brass columns (31), die-casting the annular sheets (32) made of aluminum alloy materials, machining through holes with the diameter of 4mm in the annular sheets (32) in a numerical control mode, and connecting and fixing the brass columns (31) and the annular sheets (32) through welding;

placing the bottom of the fixed support (30) in a fixed hole (23) of the base (20), placing a silica gel gasket (26) in the sealing ring (22), tightly connecting and fixing the protective shell (10) and the base (20) in a bolt (40) connection mode, and screwing a nut (50);

sixthly, the bottom of the protection device is directly contacted with the bottom surface of the foundation pit, the protection device is placed in the 180-degree horizontal direction, and soft soil or gravel is used for burying.

Technical Field

The invention relates to a protection device of a micro-seismic monitoring system, in particular to an underground protection device of a micro-seismic monitoring system supporting shock absorption. The protection device has better sealing performance and convenient carrying, can reduce the damage of the protection device caused by the horizontal shearing force of the earthquake, and can provide a portable and safe protection device for strong-vibration observation, micro-vibration monitoring, civil engineering structure vibration intrusion early warning and the like.

Background

In order to ensure the reliability of the microseismic monitoring system in the underground working process and reduce the influence of factors such as earthquake, underground fluid, manual operation and the like, a stable and corrosion-resistant cylindrical or truncated cone-shaped protection device is usually required to be arranged for a long time. The existing underground protection device of the micro-seismic monitoring system has the problem of poor damping performance, and can be kept standing for a long time after underground installation and layout are completed, but the device of the micro-seismic monitoring system can be transversely damaged probably because horizontal shearing damage of a larger seismic event is unavailable, and great inconvenience is brought to micro-seismic observation work.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the underground protection device of the micro-seismic monitoring system supporting shock absorption; the protection device has certain tightness, provides certain damping effect horizontally, is light and reliable, is economical and practical, and ensures long-term smooth operation of underground observation operation.

The purpose of the invention is realized as follows:

the invention comprises a protective shell, a base, a fixed bracket, a bolt and a nut;

from the bottom up, base and fixed bolster are connected, screw the connection with base and protective housing through bolt and nut.

The working mechanism is as follows:

the 6 bidirectional spring ball blocks are correspondingly sleeved with the 6 damping supports at the bottom of the protective shell one by one, then the bidirectional spring ball blocks are placed in the spring block sector ring track of the base, and the protective shell is screwed and fixed on the base by bolts and nuts;

once larger earthquake motion occurs and larger horizontal shear waves are generated near the protection device, the protection device can rotate to a certain degree by virtue of the two-way spring ball blocks arranged circumferentially so as to avoid the direct torsional damage of the protection device by the horizontal shear waves; the risk that the protection device is damaged can be reduced, and the safety of the protection device is ensured;

compared with the prior art, the invention has the following advantages and positive effects:

the portable type multifunctional electric water heater is light, small and convenient to carry;

the safety is good, the functions of shock absorption and sealing are achieved, and the risk of damage of the micro-seismic monitoring system can be reduced;

and the method is suitable for the fields of micro-seismic monitoring, strong-seismic observation, civil structure vibration invasion early warning and the like.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a top view of the base 20;

FIG. 4 is a perspective view of the bi-directional spring ball block 123;

fig. 5 is a perspective view of the fixing bracket 30;

fig. 6 is a bottom view of the protective case 10.

In the figure:

10-a protective shell, wherein the protective shell is provided with a shell body,

11-a cylinder with a top part,

12-a circular ring piece is arranged on the upper surface of the circular ring,

121-a circular hole,

122-a shock-absorbing support, the shock-absorbing support,

123-a bidirectional spring ball block,

123-1-a stainless steel block,

123-2-a spring of alloy steel,

123-3-stainless steel pellets;

20-a base, wherein the base is provided with a plurality of grooves,

21-a spring block sector ring track,

22-a sealing ring, which is,

23-a fixing hole is formed in the upper surface of the base,

24-the holes of the bracket are provided,

25-a fixed pit, wherein the fixed pit is arranged on the upper portion of the frame,

26-silica gel gasket;

30-a fixed support, wherein the fixed support is provided with a plurality of fixing holes,

31-a brass column, and a copper rod,

32-ring pieces;

40-bolt;

50-nut.

Detailed Description

The following detailed description is made in conjunction with the accompanying drawings and examples;

a, device

As shown in fig. 1, the present invention includes a protective case 10, a base 20, a fixing bracket 30, a bolt 40, and a nut 50;

from the bottom up, the base 20 is connected to the fixing bracket 30, and the base 20 is screwed to the protective case 10 by the bolts 40 and the nuts 50.

2. Functional component

1) Protective case 10

The protective case 10 is a case composed of a cylinder 11 with a top and a circular ring 12 connected up and down.

3 round holes 121 and 6 damping brackets 122 are uniformly distributed on the circular ring piece 12 in a staggered manner;

the round hole 121 is in adaptive connection with the bolt 40;

a bi-directional spring ball block 123 is provided within the shock bracket 122.

(1) Circular hole 121

The circular hole 121 is a circular through hole, without threads, and has the dimensions: the diameter x height =0.006m x 0.008m, and is adapted to the bolt 40.

(2) Shock-absorbing support 122

The shock mount 122 is a stainless steel cylindrical mount having dimensions: the diameter x height =0.006m x 0.005m, and is fittingly connected with the bidirectional spring ball block 123.

(3) Bidirectional spring ball block 123

The bidirectional spring ball block 123 is formed by connecting 1 stainless steel block 123-1, 2 alloy steel springs 123-2 and 2 stainless steel balls 123-3 in bilateral symmetry, a central circular through hole of the stainless steel block 123-1 is in adaptive connection with the damping support 12 and is placed in the spring block sector ring track 21, and the size of the bidirectional spring ball block is as follows: diameter × height =0.008m × 0.02 m.

2) Base 20

As shown in fig. 3, the base 20 is a stainless steel disc;

on the disc, from outer lane to inner circle, have in proper order:

6 spring block fan ring tracks 21 and 6 fixing holes 23 are uniformly and alternately arranged, sealing rings 22 are arranged, 6 bracket holes 24 are uniformly arranged, and fixing pits 25 are arranged;

the spring block sector ring track 21 is used for placing the bidirectional spring ball block 13, the fixing hole 23 is used for placing the bolt 40, the sealing ring 22 is internally provided with the silica gel gasket 26, the bracket hole 24 is used for placing the fixing bracket 30, and the fixing pit 25 is used for placing the microseismic monitoring system.

(1) Spring block sector ring track 21

The spring block circular arc track 21 is a sector annular cavity of approximately the size: outer circle diameter × width × central arc length × inner circle diameter =0.1212m × 0.0093m × 0.0327m × 0.1027 m;

(2) sealing ring 22

The sealing ring 22 is an annular cavity of the size: outer diameter x depth x inner diameter =0.110m x 0.001m x 0.106m for placing the silicone gasket 26;

(3) fixing hole 23

The fixing hole 23 is a fan-ring-shaped through hole having a size of about: the outer circle diameter x the width x the center arc length x the inner circle diameter =0.126m x 0.006m x 0.015m x 0.114m, and is adapted to the bolt 40;

(4) bracket hole 24

The holder bore 24 is a cylindrical cavity of the size: diameter × height =0.008m × 0.006m for placing the fixing bracket 30;

(5) fixing pit 25

The fixing pit 25 is a rectangular parallelepiped cavity having the dimensions: length x width x height =0.032m x 0.006m for placement of a microseismic monitoring system;

(6) silica gel washer 26

The silicone gasket 26 is a circular silicone sealing gasket having the dimensions: outer diameter × inner diameter × thickness =0.110m × 0.106m × 0.002m, is placed in the seal ring 22 for sealing the protective case 10 and the base 20.

3) Fixed support 30

The fixing bracket 30 is a bracket composed of a brass column 31 and a circular ring piece 32, which are welded together.

6 brass columns 31 are uniformly distributed on the outer side of the bracket;

a circular ring piece 32 is arranged in the middle of the bracket, 6 circular through holes are uniformly distributed on the outer side of the circular ring piece, and the circular through holes are in size adaptive connection with the brass columns 31;

(1) brass cylinder 31

The brass cylinder 31 is a hexagonal cylindrical hollow tube having dimensions of about: outer diameter x inner diameter x height =0.0069m x 0.004m x 0.101m, placed in the stent hole 24;

(2) circular ring piece 32

The segment 32 is an aluminum alloy segment having dimensions of approximately: outer diameter × inner diameter × thickness =0.044m × 0.076m × 0.003m, and 6 brass columns 31 were welded at intermediate positions thereof.

4) Bolt 40

The bolt 40 is an outer hexagonal stainless steel bolt, the whole length of which is 26mm, the diameter of the screw is 6mm, the thread pitch is 0.6mm, the thread rotates clockwise, the thickness of the countersunk head of the bolt is 4mm, and the diameter of the countersunk head is 8 mm.

5) Nut 50

The nut 50 is a stainless steel hexagonal nut, which is adapted to the bolt 40 in size, and has a thickness of 6mm, an outer diameter of 8mm, and an inner diameter of 6 mm.

Second, processing and using method

Digging a foundation pit: the protection device places the place and should select hidden soft soil layer, utilizes mechanical rotary drill bit to excavate the cuboid foundation ditch, and the foundation ditch size is: length x width x height = 0.4m x 0.32m x 0.8m, the bottom of the foundation pit is flat and has no foreign matter;

secondly, casting the protective shell 10 by using a sand mold, machining 6 circular holes 121 with symmetrical circumferences in a numerical control mode, and connecting and fixing 6 damping supports 122 and the bottom surface of the protective shell 10 by welding;

thirdly, die-casting the base 20, drilling a spring block sector ring track 21, machining a fixing hole 23 and a support hole 24 in a numerical control mode, turning a sealing ring 22 and cutting a fixing pit 25;

fourthly, pouring the brass columns 31, die-casting the annular sheets 32 made of aluminum alloy materials, machining through holes with the diameter of 4mm in the annular sheets 32 in a numerical control mode, and connecting and fixing the brass columns 31 and the annular sheets 32 through welding;

the bottom of the fixing bracket 30 is placed in the fixing hole 23 of the base 20, the silicone gasket 26 is placed in the sealing ring 22, the protective shell 10 and the base 20 are tightly fixed by means of the connection of the bolts 40, and the nuts 50 are tightened.

Sixthly, the bottom of the protection device is directly contacted with the bottom surface of the foundation pit, the protection device is placed in the 180-degree horizontal direction, and soft soil or gravel is used for burying.