CN112925014A - Microseismic monitoring sensor assembly based on high-position installation and removal method thereof - Google Patents
Microseismic monitoring sensor assembly based on high-position installation and removal method thereof Download PDFInfo
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- CN112925014A CN112925014A CN202110119571.7A CN202110119571A CN112925014A CN 112925014 A CN112925014 A CN 112925014A CN 202110119571 A CN202110119571 A CN 202110119571A CN 112925014 A CN112925014 A CN 112925014A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 54
- 238000009434 installation Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 42
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000004873 anchoring Methods 0.000 claims description 29
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims 1
- 239000012634 fragment Substances 0.000 description 12
- 239000004570 mortar (masonry) Substances 0.000 description 10
- 238000005507 spraying Methods 0.000 description 9
- 210000005056 cell body Anatomy 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/288—Event detection in seismic signals, e.g. microseismics
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/143—Generating seismic energy using mechanical driving means, e.g. motor driven shaft
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Abstract
The invention provides a microseismic monitoring sensor assembly based on high-position installation, which comprises a shell, a first protective cover and a sensor, wherein a first connecting end and a second connecting end of the shell are fixedly connected through a long-rod bolt, a wire passing hole is arranged on the first protective cover in a penetrating way, a cable wire of the sensor passes through the wire passing hole to be connected with an external connecting wire, one end of the sensor, which is far away from the cable wire, is fixed on the connecting end through a short-rod bolt, a hook-and-pull ring is arranged on the outer side of the shell, a supporting base is also fixed on the lower shell, the sensor is supported on the supporting base, the supporting base comprises a supporting part fixedly connected with the lower shell and a rubber ring fixed on the supporting part. The invention also provides a method for installing and dismantling the microseismic monitoring sensor assembly based on high-position installation. The microseismic monitoring sensor assembly based on high-position installation has a simple structure, is easy to disassemble and assemble, and can be smoothly recycled after being installed at a high position.
Description
Technical Field
The invention relates to the technical field of underground engineering, in particular to a microseismic monitoring sensor assembly based on high-position installation and an installation and dismantling method thereof.
Background
When the microseism monitoring equipment is installed in a tunnel, in order to ensure that signals are received in an all-dimensional mode, the sensors need to be installed in a scattering mode during arrangement, and therefore part of the sensors need to be installed at the position of the tunnel arch shoulder or the arch crown. When the installation, the staff can install to TBM platform truck position through climbing, but along with the propulsion of working face, TBM advances gradually, leads to a period of time later, and relative displacement takes place for platform truck position and vault sensor position, causes the sensor after the installation because highly too big and unable recycle, causes loss of property. In addition, in the tunnel construction, for the sake of safety, mortar spraying protection treatment can be carried out, and due to monitoring needs, the sensor installation process is carried out before the spraying protection of a construction unit, so that part of sensors cannot bear the mortar spraying pressure, and the sensors are damaged, or because the mortar spraying thickness is large, the sensors cannot be recovered after being buried by mortar, so that micro-seismic monitoring equipment cannot normally and continuously work, the monitoring effect is influenced, and property loss is further caused.
Therefore, there is a need to provide a new microseismic monitoring sensor assembly based on high mount installation and a method for installing and removing the same to solve the above problems.
Disclosure of Invention
The invention aims to overcome the technical problems and provides a microseismic monitoring sensor component based on high-position installation and an installation and removal method thereof.
In order to achieve the above object, the invention provides a microseismic monitoring sensor assembly based on high-mount installation, which comprises a shell with an accommodating space, a first protective cover covering the shell and a sensor accommodated in the accommodating space, wherein the shell is anchored on a free surface in a tunnel through an anchoring sheet, the shell comprises an upper shell and a lower shell, the upper shell and the lower shell are matched to form a structure with one closed end and one open end, the first protective cover covers the open end of the shell, the upper shell, the lower shell and the first protective cover are matched to form the accommodating space, the upper shell comprises a first connecting end, the lower shell comprises a second connecting end, the first connecting end and the second connecting end are fixedly connected through a long rod bolt, the first connecting end and the second connecting end are matched to form a connecting end, and a wire passing hole is arranged on the first protective cover in a penetrating manner, the cable conductor of sensor passes cross the line hole and be connected with external connecting wire, the link is located the casing is kept away from cross the one end in line hole, the sensor is kept away from the one end of cable conductor is fixed in through the quarter butt bolt on the link, the outside of casing is provided with colludes the pull ring, still be fixed with the support base down on the casing, the sensor support in support on the base, support the base include with casing fixed connection's supporting part and be fixed in down rubber ring on the supporting part, the rubber ring is ring shape, and it corresponds the cover and locates the outer circumference of sensor.
Preferably, a clamping groove is arranged on the second connecting end, the shape of the clamping groove is matched with that of the first connecting end, and the first connecting end is correspondingly clamped in the clamping groove.
Preferably, be equipped with on the link with quarter butt bolt assorted bolt groove, the base of quarter butt bolt accept and be spacing in the bolt inslot, the bolt groove is including being located first cell body on the last casing and being located first cell body on the casing down, go up the casing with the back is got up in the casing concatenation down, first cell body with first cell body concatenation forms the bolt groove down.
Preferably, the hooking pull ring is arranged on the outer side of the lower shell, and two ends of the hooking pull ring are fixedly connected with the lower shell to form a semicircular closing structure.
Preferably, the top end of the first connecting end protrudes away from the lower shell to form a first convex ring, the inner surface of the first convex ring is matched with the first connecting end to form an obstructing groove, the base of the long rod bolt is correspondingly accommodated in the obstructing groove, the opening end of the obstructing groove is provided with a second protective cover, and the second protective cover is in threaded connection with the obstructing groove; the bottom of second link is to being close to go up the sunken second bulge loop that is formed with of casing direction, the internal surface of second bulge loop with the cooperation of second link forms the protection groove, the terminal and the nut of the screw rod of stock bolt correspond accept in the protection groove, the open end in protection groove is equipped with the third visor, the third visor with protection groove threaded connection.
The invention also provides a method for mounting the microseismic monitoring sensor assembly based on high-position mounting, which comprises the following steps:
s11: connecting and screwing a sensor and a short rod bolt, then sleeving the sensor into the rubber ring, and moving the position of the sensor left and right to clamp the base of the short rod bolt into the lower half groove body;
s12: placing the upper shell on a clamping groove of the lower shell to ensure the alignment between the upper shell and the lower shell, extending a long rod bolt into a bolt hole from the top end of the first connecting end until a screw rod of the long rod bolt penetrates out of the bolt hole of the lower shell, screwing a second protective cover onto the second convex ring, screwing a nut onto the long rod bolt, and screwing and fixing the nut;
s13: the cable of the sensor passes through the wire passing hole, and then the first protective cover is screwed to the combined shell;
s14: and adhering the anchoring sheet to the free surface in the tunnel by using the wetted anchoring agent until the anchoring agent is hardened, and finishing the installation of the microseismic monitoring sensor assembly based on high-position installation.
The invention also provides a method for dismounting the microseismic monitoring sensor assembly based on high-position installation, which comprises the following steps:
s21: providing a connecting rod, a knocking hammer, a hooking device, a large hexagonal screwdriver and a small hexagonal screwdriver, wherein the connecting rod comprises a first rod body and a second rod body which are detachably connected;
s22: after the knocking hammer and the connecting rod are assembled, knocking the hardened anchoring agent, and if the anchoring agent and the anchoring sheet are loosened, executing step S23; if the anchoring agent and the anchoring sheet cannot be loosened, executing step S24;
s23: replacing the knocking hammer with a hooking and pulling device to be assembled with the connecting rod, extruding and sleeving a hooking and pulling ring by the hooking and pulling device, and pulling the whole micro-seismic monitoring sensor assembly downwards to finish the dismantling of the micro-seismic monitoring sensor assembly;
s24: lightly knocking the microseismic monitoring sensor component to enable guniting on the surface to fall off, then replacing a knocking hammer with a hook puller and a connecting rod to be assembled, connecting the knocking hammer with a hook pull ring, separating the second rod body from the first rod body, assembling the second rod body with the large hexagonal screwdriver, and taking down the first protective cover and the third protective cover by adopting the large hexagonal screwdriver;
s25: assembling the small hexagonal screwdriver and the second rod body, taking down a nut of the long rod bolt by using the small hexagonal screwdriver, and then separating the lower shell from the upper shell;
s26: and taking down the sensor to finish the dismantling of the microseismic monitoring sensor component.
Preferably, the first rod body is in threaded connection with the second rod body, wherein an internal thread is arranged at one end of the first rod body close to the second rod body, external threads are arranged at two ends of the second rod body, and the internal thread on the first rod body is matched with the external threads of the second rod body; the first rod body comprises a connecting part, the second rod body comprises a fixing part, the connecting part and the fixing part are connected through an elastic iron ring, after the first rod body and the second rod body are assembled, the part, located between the connecting part and the fixing part, of the connecting rod is a hollow area, and the elastic iron ring is accommodated in the hollow area; the connecting part is provided with an internal thread at one end far away from the fixed part, and the handle bodies of the knocking hammer and the hooking device are respectively provided with an external thread matched with the internal thread of the connecting part, so that the knocking hammer and the hooking device can be assembled on the connecting part.
Preferably, collude and draw the ware and include the ring body and the second handle body, the ring body is fixed in the one end of the second handle body, the ring body is non-closed circular form, collude the both ends interval formation breach that draws the ware, the both ends of ring body are equipped with the shell fragment, the shell fragment orientation the central point of ring body puts the extension, two the mutual butt of shell fragment, two the shell fragment with the breach cooperation forms elasticity closed angle.
Preferably, the large hexagonal screwdriver comprises a first screwdriver body and a third handle body, the first screwdriver body is fixed at one end of the third handle body and comprises an inner-layer screwdriver head and an outer-layer screwdriver head, the outer-layer screwdriver head is arranged at the periphery of the inner-layer screwdriver head at intervals, the height of the inner-layer screwdriver head is smaller than that of the outer-layer screwdriver head, and the shape of the outer-layer screwdriver head is matched with that of the first protective cover and used for correspondingly disassembling and assembling the first protective cover; the shape of inlayer tool bit with the shape phase-match of third visor for correspond the dismouting the third visor, be equipped with vertical internal thread hole and horizontal internal thread hole on the third handle body, vertical internal thread hole is followed the axis direction of the third handle body sets up, horizontal internal thread hole is followed the perpendicular to the third handle body axis direction sets up, vertical internal thread hole and horizontal internal thread hole on the third handle body all with the external screw thread phase-match of the second body of rod, the second body of rod can install in on the horizontal internal thread hole and the vertical internal thread hole of the third handle body.
Compared with the prior art, the microseismic monitoring sensor component based on high-position installation can prevent damage to the sensor caused by mortar spraying protection, ensure real-time continuous monitoring of microseismic monitoring equipment and prolong the service life of the sensor; meanwhile, the device is simple in structure, the materials are all steel products, the device can be repeatedly used, and the cost is greatly saved; the mounting method and the dismounting method provided by the invention have simple steps, do not need professional staff for mounting and dismounting, are convenient to use, can realize the recovery and the repeated use of the microseismic monitoring sensor assembly, and reduce the production cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a microseismic monitoring sensor assembly based on high mount provided by the present invention;
FIG. 2 is a top view of the high mount based microseismic monitoring sensor assembly of FIG. 1;
FIG. 3 is a side view of the high mount based microseismic monitoring sensor assembly of FIG. 1;
FIG. 4(a) is a schematic structural view of a connecting rod provided in the present invention; fig. 4(b) is a schematic structural diagram of a knocking hammer provided by the present invention; fig. 4(c) is a schematic structural view of a large hexagonal screwdriver provided by the invention; fig. 4(d) is a schematic structural view of the hook puller according to the present invention; fig. 4(e) is a schematic structural view of the small hexagonal screwdriver provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to fig. 4(e), the present invention provides a microseismic monitoring sensor assembly 100 based on high-mount installation, which includes a housing 11 having an accommodating space, a first protective cover 12 covering the housing 11, and a sensor 13 accommodated in the accommodating space, wherein the housing 11 is anchored on a free surface in a tunnel by an anchor sheet 14. First protective cover 12 with casing 11 threaded connection can easy to assemble and dismantle, it is provided with line hole 120 to run through on the first protective cover 12, sensor 13 includes cable conductor 131, cable conductor 131 passes line hole 120 is connected with external connecting wire.
The anchor tab 14 is arranged on the upper shell 111, and a hollow circle is arranged on the anchor tab 14 in a penetrating manner, so that the contact area between the anchoring agent and the free surface in the tunnel can be increased, and the installation stability of the anchor tab 14 is improved.
The housing 11 includes an upper housing 111 and a lower housing 112, the upper housing 111 and the lower housing 112 cooperate to form a structure with one closed end and one open end, and the first protective cover 12 covers the open end of the housing 11. The upper shell 111 and the lower shell 112 are detachably connected, and the anchor tab 14 is fixedly connected with the upper shell 111. After the microseismic monitoring sensor assembly 100 based on high-level installation is installed, mortar spraying protection treatment can be carried out on the empty surface in the tunnel, when the mortar spraying thickness is large, the anchoring piece 14 is easily and completely covered, in the recovery process, the anchoring piece 14 cannot be separated, the lower shell 112 can be directly separated from the upper shell 111, and then the lower shell 11 and the sensor 13 can be recovered.
The upper shell 111 includes a first connection end 1111, the lower shell 112 includes a second connection end 1121, the first connection end 1111 and the second connection end 1121 are fixedly connected by a long rod bolt 15, and the first connection end 1111 and the second connection end 1121 are matched to form a connection end, wherein the connection end is located at an end of the shell 11 away from the wire passing hole. The end of the sensor 13 remote from the cable 131 is secured to the connection end by a short bolt 16.
The long rod bolt 15 is used to fix the upper housing 111 and the lower housing 112, and the long rod bolt 15 also has a positioning function to assist the alignment of the upper housing 111 and the lower housing 112. The screw thread on the long rod bolt 15 is limited to the top of the screw rod, so that the contact part of the long rod bolt 15 and the upper shell 111 and the lower shell 112 is not threaded, the contact area can be increased, the seaming is firmer, the relative shaking between the upper shell 111 and the lower shell 112 is smaller, and the quality of the sensor 13 for receiving elastic waves can be improved.
Preferably, a clamping groove is formed in the second connecting end 1121, the shape of the clamping groove is matched with that of the first connecting end 1111, the first connecting end 1111 is correspondingly clamped in the clamping groove, the clamping groove plays a role in positioning during installation, and after the installation is completed, the clamping groove can also play a limiting role so as to prevent the first connecting end 1111 from deviating.
The card slot is an important component during installation, and the manufacture of the card slot requires an additional operation process, so that the card slot is arranged on the lower shell 112, and when the upper shell 111 cannot be recovered, the card slot can still be recovered together with the lower shell 112, thereby reducing cost consumption.
Be equipped with on the link with stub bolt 16 assorted bolt groove 113, stub bolt 16's base accept and be spacing in bolt groove 113, bolt groove 113 is including being located first cell body on last casing 111 and being located second cell body on lower casing 112, go up casing 111 with casing 112 splices the back down, first cell body with second cell body splices and forms bolt groove 113. The short bar bolt 16 can be fixed through the arrangement of the bolt groove 113, so that the sensor 13 is fixed, the bolt groove 113 is in a combined form of an upper part and a lower part, the short bar bolts 16 in different thread directions can be conveniently replaced, the device is suitable for the use of two sensors of positive and negative threads, and the application range of the device can be enlarged.
Further, a hooking ring 17 is provided on the outer side of the housing 11. Specifically, the hooking and pulling ring is arranged on the outer side of the lower shell 112, and both ends of the hooking and pulling ring 17 are fixedly connected with the lower shell 112 to form a semicircular closing structure.
A supporting base 18 is further fixed on the lower housing 112, the supporting base 18 is accommodated in the accommodating space, and the sensor 13 is supported on the supporting base 18. The supporting base 18 includes a supporting portion 181 fixedly connected to the lower housing 112 and a rubber ring 182 fixed to the supporting portion 181, wherein the rubber ring 182 is annular and is correspondingly sleeved on the outer circumference of the sensor 13. Preferably, the axis of the rubber ring 182 is on the same horizontal line as the axis of the bolt groove 113. The support base 18 is arranged to slow down the creep of the short-rod bolt 16, maintain the stability of the sensor 13 and improve the signal reception quality; on the other hand, a base 18 may be supported to fix the sensor 13 to the lower case 112, and may be removed and recovered together with the lower case 112.
The top end of the first connection end 1111 protrudes towards the direction away from the lower housing 112 to form a first protruding ring 1112, the inner surface of the first protruding ring 1112 is matched with the first connection end 1111 to form a blocking groove 1113, the base of the long rod bolt 15 is correspondingly accommodated in the blocking groove 1113, and the blocking groove 1113 can limit the rotation of the base of the long rod bolt 15, so as to limit the rotation of the long rod bolt 15. The open end of the blocking groove 1113 is provided with a second protective cover 1114, and the second protective cover 1114 is in threaded connection with the outer surface of the first convex ring 1112. The second protection cover 1114 can prevent the blocking slot 1113 from being polluted during mortar spraying, and can limit the up-down movement of the long rod bolt 15, and the long rod bolt 15 can be conveniently replaced by adopting a detachable connection mode through the second protection cover 1114.
A second convex ring 1122 is concavely formed at the bottom end of the second connection end 1121 toward the direction close to the upper housing 111, a protection groove 1123 is formed by the inner surface of the second convex ring 1122 and the second connection end 1121 in a matching manner, the screw end and the nut of the long rod bolt 15 are correspondingly accommodated in the protection groove 1123, a third protection cover 1124 is arranged at the opening end of the protection groove 1123, and the third protection cover 1124 is in threaded connection with the outer surface of the second convex ring 1122. The third protective cover 1124 can prevent the long rod bolt from being polluted when mortar is sprayed and protected.
Specifically, in this embodiment, the upper shell 111 is semicircular, the semicircular radius is 500mm, the length is 194mm, and the length of the first connection end 1111 is 54 mm; the height of the first convex ring 1112 is 8mm, and the outer diameter is 20 mm; the longitudinal section of the lower shell 112 is semicircular, the radius of the semicircle is 750mm, the length of the lower shell 112 is 200mm, the length of the second connection end 1121 is 60mm, the clamping groove is in a round cake shape, the radius is 15mm, and the depth is 6 mm. The second protruding ring 1122 has a height of 30mm, an outer diameter of 38mm, and an inner diameter of 30 mm.
The inner diameter of the first protection cover 12 is 100mm, the height is 30mm, and the inner diameter of the wire through hole 120 is 15 mm.
The sensor 13 has a diameter of 30mm and a length of 120 mm.
The whole anchor tab 14 is L-shaped, the length of the connecting part is 12mm, the length of the folded angle part is 100mm, the width of the folded angle part is 50mm, the thickness of the folded angle part is 3mm, and the diameter of the hollow circle is 2 mm.
The hexagon base part thickness of stock bolt 15 is 8mm, angle line length 10mm, the diameter 8mm of pole, length are 120mm, and thread length is 30mm, and the nut uses with the matching of stock bolt. The thickness of the base part of the short rod bolt 16 is 6mm, the length of the angle connection straight line is 12mm, and the overall length of the short rod bolt 16 is 30 mm.
The hooking ring 17 is semicircular and annular, and the diameter of the hooking ring is 60 mm. The diameter of the rubber ring 182 is 28mm, and the height of the support 181 is 36 mm.
The invention also provides an installation method of the microseismic monitoring sensor assembly 100 based on high-position installation, which comprises the following steps:
s11: connecting and screwing a sensor and a short rod bolt, then sleeving the sensor into the rubber ring, and moving the position of the sensor left and right to clamp the base of the short rod bolt into the lower half groove body;
s12: placing the upper shell on a clamping groove of the lower shell to ensure the alignment between the upper shell and the lower shell, extending a long rod bolt into a bolt hole from the top end of the first connecting end until a screw rod of the long rod bolt penetrates out of the bolt hole of the lower shell, screwing the second protective cover onto the first convex ring, and finally screwing a nut onto the long rod bolt until the long rod bolt is screwed and fixed;
s13: the movable end of the cable passes through the wire passing hole, and then the first protective cover is screwed to the shell;
s14: and adhering the anchoring sheet to the free surface in the tunnel by using the wetted anchoring agent until the anchoring agent is hardened, and finishing the installation of the microseismic monitoring sensor assembly based on high-position installation.
The invention also provides a method for dismounting the microseismic monitoring sensor assembly 100 based on high-position installation, which comprises the following steps:
s21: providing a connecting rod, a knocking hammer, a hooking device, a large hexagonal screwdriver and a small hexagonal screwdriver, wherein the connecting rod comprises a first rod body and a second rod body which are detachably connected;
the connecting rod 21 includes a first rod 211, a second rod 212, and an elastic iron ring 213. The first rod body 211 and the second rod body 212 are in threaded connection. Wherein the first body of rod 211 is close to the one end of second body of rod 212 is provided with the internal thread, second body of rod 212 both ends all are provided with the external screw thread, internal thread on the first body of rod 211 with the external screw thread phase-match of second body of rod 212.
The first rod 211 includes a connecting portion 2111, the second rod 212 includes a fixing portion 2121, and the connecting portion 2111 and the fixing portion 2121 are fixedly connected through the elastic iron ring 213. After the first rod 211 and the second rod 212 are assembled, a portion of the connecting rod 21 between the connecting portion 2111 and the fixing portion 2121 is a hollow area, and the elastic iron ring 213 is accommodated in the hollow area.
When in use, the first rod body 211 and the second rod body 212 are assembled, so that the connecting rod 211 has a larger length, and the use in a construction site is facilitated; when not in use, the first rod body 211 and the second rod body 212 are separated, the length is shortened, and the carrying is convenient. The connection function of the elastic iron ring 214 can enable the first rod body 211 and the second rod body 212 to be connected together all the time, and therefore the phenomenon that the first rod body is left on a construction site is avoided.
Furthermore, an internal thread is disposed at one end of the connecting portion 2111, which is away from the fixing portion 2121, external threads matched with the internal thread of the connecting portion 2111 are disposed on the handle bodies of the knocking hammer 22 and the hooking device 23, so that the knocking hammer 22 and the hooking device 23 can be connected to the connecting portion 2111, the front end of the connecting portion 2111 is vacant, the handle bodies of the knocking hammer 22 and the hooking device 23 are partially accommodated in the hollow area of the first rod body 211, and the stress can be transmitted to the first rod body 211, thereby preventing all the stress from being borne by the external thread on the knocking hammer 22 or the hooking device 23, and prolonging the service life of the knocking hammer 22 or the hooking device 23.
The knocking hammer 22 comprises a hammer head 221 and a first handle body 222, wherein the hammer head 221 is fixed at one end of the first handle body 222, one end of the hammer head 221 is conical, and the other end of the hammer head 221 is square, so that the using requirements of various field conditions can be met. One end of the first handle body 222, which is far away from the hammer head 221, is provided with a first mounting screw, the first mounting screw is provided with an external thread, the external thread of the first mounting screw is matched with the internal thread of the connecting portion 2111, and the mounting screw can be correspondingly mounted on the connecting portion 2111.
Collude and draw ware 23 includes ring body 231 and second handle body 232, ring body 231 is fixed in the one end of second handle body 232, ring body 231 is non-closed circular form, the both ends interval of ring body 231 forms the breach, the both ends of ring body 231 are equipped with the shell fragment, the shell fragment orientation the central point of ring body 231 puts the extension, two the mutual butt of shell fragment, two the shell fragment with the breach cooperation forms elasticity closed angle. During the use, will elasticity closed angle is aimed at collude pull ring 17, upwards promotes collude and draw ware 23, make collude pull ring 17 and correspond the extrusion the shell fragment, elasticity atress takes place deformation, two the shell fragment separation, elasticity closed angle is opened, collude pull ring 17 and get into in the space that ring body 231 encloses, work as collude pull ring 17 with during the shell fragment separation, the shell fragment return, elasticity closed angle seals, collude pull ring 17 with ring body 231 is nested each other, pulls downwards this moment collude and draw ware 23, can pass through with power collude pull ring 17 and conduct extremely on the casing 11.
The large hexagonal screwdriver 24 comprises a first screwdriver body 241 and a third handle 242, the first screwdriver body 241 is fixed at one end of the third handle 242, the first screwdriver body 241 comprises an inner layer screwdriver head 2411 and an outer layer screwdriver head 2412, the outer layer screwdriver head 2412 is arranged on the periphery of the inner layer screwdriver head 2411 at intervals, and the height of the inner layer screwdriver head 2411 is smaller than that of the outer layer screwdriver head 2412.
The shape of the outer layer cutter head 2412 is matched with that of the first protective cover 12, and is used for correspondingly disassembling and assembling the first protective cover 12; the shape of the inner layer tool bit 2411 is matched with that of the third protective cover 1124, so as to correspondingly disassemble and assemble the third protective cover 1124.
The third handle 242 is provided with a longitudinal internal thread hole and a transverse internal thread hole, the longitudinal internal thread hole is arranged along the axial direction of the third handle 4, and the transverse internal thread hole is arranged along the axial direction perpendicular to the third handle 242. The longitudinal internal thread hole and the transverse internal thread hole on the third handle 242 are both matched with the external thread of the second rod 213, and the second rod 213 can be installed on the transverse internal thread hole and the longitudinal internal thread hole of the third handle 242.
The small hexagonal screwdriver 25 comprises a second cutter body 251 and a fourth handle body 252, the second cutter body 251 is fixed at one end of the fourth handle body 252, and the shape of the second cutter body 251 is matched with the shape of the nut of the long rod bolt 15, so as to be used for correspondingly disassembling and assembling the nut of the long rod bolt 15.
Specifically, in this embodiment, the length of the connecting rod 21 is 2000mm, the outer diameter is 50mm, the inner diameter is 40mm, and the lengths of the first rod body 211 and the second rod body 212 are both 1000 mm.
The diameter of the internal thread on the connecting portion 2111 is 15mm, the length of the internal thread is 100mm, and the length of the elastic iron ring 214 after being straightened is 1000 mm.
The total length of the knocking hammer 22 is 300mm, and the diameter of the ring 231 of the hooking and pulling device 23 is 80 mm.
S22: after the knocking hammer and the connecting rod are assembled, knocking the hardened anchoring agent, and if the anchoring agent and the anchoring sheet are loosened, executing step S23; if the anchoring agent and the anchoring sheet cannot be loosened, executing step S24;
s23: replacing the knocking hammer with a hooking and pulling device to be assembled with the connecting rod, extruding and sleeving a hooking and pulling ring by the hooking and pulling device, and pulling the whole micro-seismic monitoring sensor assembly downwards to finish the dismantling of the micro-seismic monitoring sensor assembly;
s24: lightly knocking the microseismic monitoring sensor component to enable guniting on the surface to fall off, then replacing a knocking hammer with a hook puller and a connecting rod to be assembled, connecting the knocking hammer with a hook pull ring, separating the second rod body from the first rod body, assembling the second rod body with the large hexagonal screwdriver, and taking down the first protective cover and the third protective cover by adopting the large hexagonal screwdriver;
s25: assembling the small hexagonal screwdriver and the second rod body, taking down a nut of the long rod bolt by using the small hexagonal screwdriver, and then separating the lower shell from the upper shell;
s26: and taking down the sensor to finish the dismantling of the microseismic monitoring sensor component.
Compared with the prior art, the microseismic monitoring sensor component based on high-position installation can prevent damage to the sensor caused by mortar spraying protection, ensure real-time continuous monitoring of microseismic monitoring equipment and prolong the service life of the sensor; meanwhile, the device is simple in structure, the materials are all steel products, the device can be repeatedly used, and the cost is greatly saved; the mounting method and the dismounting method provided by the invention have simple steps, do not need professional workers to mount and dismount, are convenient to use, can realize the recovery and the repeated use of the microseismic monitoring sensor assembly, and reduce the production cost
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A microseismic monitoring sensor assembly based on high-position installation is characterized by comprising a shell with an accommodating space, a first protective cover and a sensor, wherein the first protective cover is arranged on the shell in a covering mode, the shell is anchored on a free face in a tunnel through an anchoring piece, the shell comprises an upper shell and a lower shell, the upper shell and the lower shell are matched to form a structure with one closed end and one open end, the first protective cover is arranged at the opening end of the shell in a covering mode, the upper shell, the lower shell and the first protective cover are matched to form the accommodating space, the upper shell comprises a first connecting end, the lower shell comprises a second connecting end, the first connecting end and the second connecting end are fixedly connected through a long rod bolt, the first connecting end and the second connecting end are matched to form a connecting end, and a wire passing hole is arranged on the first protective cover in a penetrating mode, the cable conductor of sensor passes cross the line hole and be connected with external connecting wire, the link is located the casing is kept away from cross the one end in line hole, the sensor is kept away from the one end of cable conductor is fixed in through the quarter butt bolt on the link, the outside of casing is provided with colludes the pull ring, still be fixed with the support base down on the casing, the sensor support in support on the base, support the base include with casing fixed connection's supporting part and be fixed in down rubber ring on the supporting part, the rubber ring is ring shape, and it corresponds the cover and locates the outer circumference of sensor.
2. The microseismic monitoring sensor assembly of claim 1 wherein the second connecting end is provided with a slot, the slot has a shape matching the shape of the first connecting end, and the first connecting end is correspondingly engaged in the slot.
3. The microseismic monitoring sensor assembly according to claim 2, wherein the connecting end is provided with a bolt groove matched with the short rod bolt, the base of the short rod bolt is accommodated and limited in the bolt groove, the bolt groove comprises an upper half groove body positioned on the upper shell and a lower half groove body positioned on the lower shell, and after the upper shell and the lower shell are spliced, the upper half groove body and the lower half groove body are spliced to form the bolt groove.
4. The microseismic monitoring sensor assembly of claim 3 wherein the hooking ring is disposed outside the lower housing, and both ends of the hooking ring are fixedly connected to the lower housing to form a semi-circular closed structure.
5. The microseismic monitoring sensor assembly of claim 4 wherein the top end of the first connecting end protrudes away from the lower housing to form a first protruding ring, the inner surface of the first protruding ring cooperates with the first connecting end to form an obstructing groove, the base of the long rod bolt is correspondingly accommodated in the obstructing groove, the open end of the obstructing groove is provided with a second protective cover, and the second protective cover is in threaded connection with the obstructing groove; the bottom of second link is to being close to go up the sunken second bulge loop that is formed with of casing direction, the internal surface of second bulge loop with the cooperation of second link forms the protection groove, the terminal and the nut of the screw rod of stock bolt correspond accept in the protection groove, the open end in protection groove is equipped with the third visor, the third visor with protection groove threaded connection.
6. A method of installing an elevated mount based microseismic monitoring sensor assembly as defined in claim 5 wherein the steps of:
s11: connecting and screwing a sensor and a short rod bolt, then sleeving the sensor into the rubber ring, and moving the position of the sensor left and right to clamp the base of the short rod bolt into the lower half groove body;
s12: placing the upper shell on a clamping groove of the lower shell to ensure the alignment between the upper shell and the lower shell, extending a long rod bolt into a bolt hole from the top end of the first connecting end until a screw rod of the long rod bolt penetrates out of the bolt hole of the lower shell, screwing a second protective cover onto the second convex ring, screwing a nut onto the long rod bolt, and screwing and fixing the nut;
s13: the cable of the sensor passes through the wire passing hole, and then the first protective cover is screwed to the combined shell;
s14: and adhering the anchoring sheet to the free surface in the tunnel by using the wetted anchoring agent until the anchoring agent is hardened, and finishing the installation of the microseismic monitoring sensor assembly based on high-position installation.
7. A method of removing an elevated mount based microseismic monitoring sensor assembly as defined in claim 5 including the steps of:
s21: providing a connecting rod, a knocking hammer, a hooking device, a large hexagonal screwdriver and a small hexagonal screwdriver, wherein the connecting rod comprises a first rod body and a second rod body which are detachably connected;
s22: after the knocking hammer and the connecting rod are assembled, knocking the hardened anchoring agent, and if the anchoring agent and the anchoring sheet are loosened, executing step S23; if the anchoring agent and the anchoring sheet cannot be loosened, executing step S24;
s23: replacing the knocking hammer with a hooking and pulling device to be assembled with the connecting rod, extruding and sleeving a hooking and pulling ring by the hooking and pulling device, and pulling the whole micro-seismic monitoring sensor assembly downwards to finish the dismantling of the micro-seismic monitoring sensor assembly;
s24: lightly knocking the microseismic monitoring sensor component to enable guniting on the surface to fall off, then replacing a knocking hammer with a hook puller and a connecting rod to be assembled, connecting the knocking hammer with a hook pull ring, separating the second rod body from the first rod body, assembling the second rod body with the large hexagonal screwdriver, and taking down the first protective cover and the third protective cover by adopting the large hexagonal screwdriver;
s25: assembling the small hexagonal screwdriver and the second rod body, taking down a nut of the long rod bolt by using the small hexagonal screwdriver, and then separating the lower shell from the upper shell;
s26: and taking down the sensor to finish the dismantling of the microseismic monitoring sensor component.
8. The method of claim 7, wherein the first rod and the second rod are connected by a screw thread, wherein the first rod has an internal thread at one end thereof adjacent to the second rod, and the second rod has an external thread at both ends thereof, and the internal thread on the first rod is matched with the external thread on the second rod; the first rod body comprises a connecting part, the second rod body comprises a fixing part, the connecting part and the fixing part are connected through an elastic iron ring, after the first rod body and the second rod body are assembled, the part, located between the connecting part and the fixing part, of the connecting rod is a hollow area, and the elastic iron ring is accommodated in the hollow area; the connecting part is provided with an internal thread at one end far away from the fixed part, and the handle bodies of the knocking hammer and the hooking device are respectively provided with an external thread matched with the internal thread of the connecting part, so that the knocking hammer and the hooking device can be assembled on the connecting part.
9. The method for removing the microseismic monitoring sensor assembly based on the high mount technology as claimed in claim 8, wherein the hooking device comprises a ring body and a second handle body, the ring body is fixed at one end of the second handle body, the ring body is in a non-closed circular shape, gaps are formed at two ends of the hooking device at intervals, elastic pieces are arranged at two ends of the ring body, the elastic pieces extend towards the center of the ring body, the two elastic pieces are mutually abutted, and the two elastic pieces are matched with the gaps to form an elastic closed angle.
10. The method for detaching the microseismic monitoring sensor assembly based on high position installation of claim 9 wherein the large hexagonal screwdriver comprises a first screwdriver body and a third handle body, the first screwdriver body is fixed at one end of the third handle body, the first screwdriver body comprises an inner layer screwdriver head and an outer layer screwdriver head, the outer layer screwdriver head is arranged at the periphery of the inner layer screwdriver head at intervals, the height of the inner layer screwdriver head is less than that of the outer layer screwdriver head, and the shape of the outer layer screwdriver head is matched with that of the first protective cover for correspondingly detaching the first protective cover; the shape of inlayer tool bit with the shape phase-match of third visor for correspond the dismouting the third visor, be equipped with vertical internal thread hole and horizontal internal thread hole on the third handle body, vertical internal thread hole is followed the axis direction of the third handle body sets up, horizontal internal thread hole is followed the perpendicular to the third handle body axis direction sets up, vertical internal thread hole and horizontal internal thread hole on the third handle body all with the external screw thread phase-match of the second body of rod, the second body of rod can install in on the horizontal internal thread hole and the vertical internal thread hole of the third handle body.
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