CN114320468B - Roadway surrounding rock ore pressure detection device and method - Google Patents
Roadway surrounding rock ore pressure detection device and method Download PDFInfo
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- CN114320468B CN114320468B CN202111588051.7A CN202111588051A CN114320468B CN 114320468 B CN114320468 B CN 114320468B CN 202111588051 A CN202111588051 A CN 202111588051A CN 114320468 B CN114320468 B CN 114320468B
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Abstract
The invention provides a roadway surrounding rock ore pressure detection device and a roadway surrounding rock ore pressure detection method, which relate to the technical field of roadway construction.
Description
Technical Field
The invention relates to the technical field of roadway construction, in particular to a roadway surrounding rock mine pressure detection device and method.
Background
The roadway is drilled between the ground surface and the coal bodyVarious passages for carrying out operations such as ore transportation, ventilation, drainage, pedestrians, etc. The mining of the stoping working face forms high stress concentration areas on two sides of the surrounding rock of the roadway in the using process of the roadway and is inevitably influenced by the mining of the stoping working face, when the k gamma H value (wherein k is a stress concentration coefficient; gamma is the roof stratum volume weight, kg/m) corresponding to the two sides of the surrounding rock of the roadway 3 The method comprises the steps of carrying out a first treatment on the surface of the H is the burial depth, m) exceeds the roof rock stratum bearing limit, the roof can fracture and then produce impact vibration, and high stress concentration and impact vibration act on tunnel surrounding rock and lead to serious deformation damage of tunnel.
Deformation damage of roadway surrounding rock is a dynamic progressive deformation damage process, and the process is regular and searchable. Therefore, in order to predict the development of the rock pressure of the surrounding rock of the roadway and also guide the subsequent control technology of the stability of the surrounding rock, people can actively observe the stress, impact vibration and displacement of the surrounding rock of the roadway.
For monitoring of the surface displacement of the surrounding rock of the roadway, more than one tape is adopted for manual monitoring, and the tape is used widely due to the advantages of convenience and easiness in use, but the monitored data error is often larger.
For monitoring of related variables such as roadway surrounding rock stress, impact vibration and the like, people often spend huge economic cost to manufacture a huge data acquisition system, large and heavy equipment is installed on the roadway surrounding rock to monitor by means of a production power supply of a coal mine, various equipment such as a power box and the like are moved in real time along with the promotion of work, and a data line with a length of hundreds of meters is exposed on the roadway surrounding rock and is easily damaged by underground production and construction, so that production is influenced, and normal operation of data acquisition work is influenced.
In summary, it can be seen that, for the development work of the roadway surrounding rock ore pressure, the amounts to be monitored are roadway surrounding rock displacement, impact vibration, surrounding rock stress and the like, but the existing monitoring work of the roadway surrounding rock displacement, impact vibration and surrounding rock stress is generally to monitor these variables by different monitoring devices and different methods, and it is difficult to uniformly monitor these variables in real time at the same time point, so that there is an urgent need for a roadway surrounding rock ore pressure detection device that can uniformly monitor multiple parameters in real time, has a simple structure, is self-sufficient in power supply, is low in cost, is light and easy to take, and can independently monitor the roadway surrounding rock in a certain area.
Disclosure of Invention
The invention provides a roadway surrounding rock mine pressure detection device and method, which aim at solving the problems that in the prior art, different monitoring devices are generally adopted and different methods are adopted for monitoring the roadway surrounding rock displacement, impact vibration and surrounding rock stress, and the variables are difficult to uniformly monitor in real time at the same time point.
The first aspect of the invention provides a roadway surrounding rock mine pressure detection device, which comprises:
the connecting assembly is suitable for being placed in surrounding rock of a roadway and is connected with a vibration sensor, an upper stress sensor, a lower stress sensor, a front stress sensor and a rear stress sensor, the upper stress sensor and the lower stress sensor are respectively connected to the upper end and the lower end of the connecting assembly, the arrangement directions of the front stress sensor and the rear stress sensor are along the length direction of the roadway, and the front stress sensor and the rear stress sensor are respectively located on two opposite sides of the connecting assembly.
Further, the method further comprises the following steps:
the data analysis acquisition instrument is suitable for being connected with the surface of the surrounding rock of the roadway, and is in signal connection with the vibration sensor, the upper stress sensor, the lower stress sensor, the front stress sensor and the rear stress sensor.
Further, the method further comprises the following steps:
the distance measuring device is arranged on the data analysis collector and is in signal connection with the data analysis collector.
Further, the data analysis collector is provided with a data analysis collector switch, a vibration button, a stress button and an information display screen.
Further, the data analysis collector is suitable for being connected with a roadway surrounding rock anchor net.
Further, a power supply is arranged in the data analysis acquisition instrument, and the power supply is used for supplying power to the data analysis acquisition instrument, the upper stress sensor, the lower stress sensor, the front stress sensor and the rear stress sensor.
Further, the method further comprises the following steps:
and one end of the data wire is electrically connected with the data analysis acquisition instrument, and the other end of the data wire is suitable for being electrically connected with the vibration sensor, the upper stress sensor, the lower stress sensor, the front stress sensor and the rear stress sensor.
Further, the method further comprises the following steps:
the six-way electric connector is respectively suitable for being electrically connected with the upper stress sensor, the lower stress sensor, the front stress sensor, the rear stress sensor, the vibration sensor and the data wire;
the connecting assembly is provided with a first through hole, a second through hole and a third through hole, the first through hole, the second through hole and the third through hole are perpendicular to each other in pairs, a space with the middle part suitable for accommodating the six-way electric connector is formed, the extending direction of the first through hole is along the vertical direction, the upper end and the lower end of the first through hole are respectively suitable for being sleeved with the upper stress sensor and the lower stress sensor, the extending direction of the second through hole is along the length direction of a roadway, the two ends of the second through hole are respectively suitable for being sleeved with the front stress sensor and the rear stress sensor, the extending direction of the third through hole is perpendicular to the length direction of the roadway, one end of the third through hole, which is close to the data analysis acquisition instrument, is suitable for being connected with the data wire, and the other end of the third through hole is suitable for being sleeved with the vibration sensor.
Further, the connection assembly includes:
the plane end of the first hemisphere is provided with a first arc-shaped groove and a second arc-shaped groove, the first arc-shaped groove and the second arc-shaped groove are vertically crossed, the crossing part is positioned at the sphere center position of the first hemisphere, the first hemisphere is provided with a fourth through hole, and the extending direction of the fourth through hole is along the axial direction of the first hemisphere and is vertical to the plane end of the first hemisphere;
the plane end of the second hemisphere is provided with a third arc-shaped groove and a fourth arc-shaped groove, the third arc-shaped groove and the fourth arc-shaped groove are vertically crossed, the crossing part is positioned at the sphere center position of the second hemisphere, the second hemisphere is provided with a fifth through hole, and the extending direction of the fifth through hole is along the axial direction of the second hemisphere and is vertical to the plane end of the second hemisphere;
by apposing the first hemisphere and the second hemisphere such that: the first arc-shaped groove and the third arc-shaped groove are combined to form the first through hole, the second arc-shaped groove and the fourth arc-shaped groove are combined to form the second through hole, and the fourth through hole and the fifth through hole are in butt joint to form the third through hole.
The second aspect of the invention provides a roadway surrounding rock ore pressure detection method, which comprises the following steps:
the roadway surrounding rock ore pressure detection device provided by the first aspect of the invention is utilized to detect the roadway surrounding rock ore pressure.
The roadway surrounding rock ore pressure detection device provided by the invention has the beneficial effects that:
on the roadway surrounding rock, surrounding rock stress in the upper direction, the lower direction, the front direction and the rear direction can directly influence the deformation condition of the roadway surrounding rock, the connecting component is placed in the roadway surrounding rock, the upper stress sensor, the lower stress sensor, the front stress sensor and the rear stress sensor are connected to the connecting component so as to monitor the upper stress, the lower stress of the roadway surrounding rock and the front stress and the rear stress along the length direction of the roadway respectively, further monitor the surrounding rock stress which can influence the deformation of the roadway surrounding rock in real time, in addition, the vibration sensor is arranged on the connecting component so as to monitor the impact vibration condition borne by the roadway surrounding rock in real time, the monitoring of the surrounding rock stress and the impact vibration is simultaneously realized on one device, and the problem that the conventional monitoring mode is difficult to uniformly monitor a plurality of variables such as the surrounding rock stress and the impact vibration in real time in the same time is avoided.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a stope surrounding rock under passive and static loading;
fig. 2 is a schematic diagram of the overall structure of the roadway surrounding rock mine pressure detection device provided by the invention;
FIG. 3 is one of schematic structural diagrams of a first hemisphere of the roadway surrounding rock mine pressure detecting device provided by the invention;
FIG. 4 is a second schematic diagram of the structure of a first hemisphere of the roadway surrounding rock mine pressure detecting device provided by the invention;
FIG. 5 is a schematic diagram of the structure of a second hemisphere of the roadway surrounding rock mine pressure detecting device provided by the invention;
FIG. 6 is a schematic structural diagram of a data analysis collector of the roadway surrounding rock ore pressure detection device provided by the invention;
FIG. 7 is a schematic diagram of the structure of a data wire of the roadway surrounding rock mine pressure detection device provided by the invention;
FIG. 8 is a schematic structural view of a six-way electrical connector of the roadway surrounding rock mine pressure detection device provided by the invention;
fig. 9 is a schematic diagram of field installation and use of the roadway surrounding rock mine pressure detection device.
1. A connection assembly; 11. a first hemisphere; 111. a first arcuate recess; 112. a second arcuate recess; 113. a fourth through hole; 12. a second hemisphere; 121. a third arcuate recess; 122. a fourth arcuate recess; 123. a fifth through hole; 2. a vibration sensor; 31. a stress sensor is arranged on the upper part; 32. a lower stress sensor; 33. a front stress sensor; 34. a post stress sensor; 4. a data analysis acquisition instrument; 41. a data analysis collector switch; 42. a vibration button; 43. a stress button; 44. an information display screen; 45. a data analyzer joint; 46. a displacement button; 5. a distance measuring device; 6. a data wire; 61. a first joint; 62. a second joint; 7. a six-way digital electrical connector; 71. a data conductor joint; 81. a first through hole; 82. a second through hole; 83. and a third through hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which would be apparent to one of ordinary skill in the art without making any inventive effort are intended to be within the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present invention will be understood in detail by those of ordinary skill in the art.
In embodiments of the invention, unless expressly specified and limited otherwise, a feature "up" or "down" on a second feature may be in direct contact with that second feature or in indirect contact with that second feature via an intervening medium. Moreover, features "above", "over" and "on" a second feature may be features directly above or obliquely above the second feature, or simply indicate that the feature level is higher than the second feature. Features "under", "under" and "beneath" a second feature may be features directly under or obliquely under the second feature, or simply mean that the feature level is less than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "an embodiment of aspects," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The roadway is a variety of passages drilled between the ground surface and the coal body for carrying out the work of ore transportation, ventilation, drainage, pedestrians and the like. In the roadway, the mining effect of the stope face is hardly avoided, referring to fig. 1, since the mining of the stope face forms high stress concentration areas on two sides of the surrounding rock of the roadway, the high stress concentration areas on two sides correspond to k respectively 1 Gamma H value and k 2 Gamma H value (wherein k 1 And k 2 Is the stress concentration coefficient; gamma is the volume weight of the roof stratum, kg/m 3 The method comprises the steps of carrying out a first treatment on the surface of the H is the depth of burial, m), when k 1 Gamma H value and k 2 When the gamma H value exceeds the bearing limit of the roof strata, the roof can fracture to generate impact vibration, and high stress concentration and impact are realizedThe vibration action is used for surrounding rock of the roadway to cause serious deformation and damage of the roadway.
Deformation damage of roadway surrounding rock is a dynamic progressive deformation damage process, and the process is regular and searchable. Therefore, in order to predict the development of the rock pressure of the surrounding rock of the roadway and also guide the subsequent control technology of the stability of the surrounding rock, people can actively observe the stress, impact vibration and displacement of the surrounding rock of the roadway.
For monitoring of the surface displacement of the surrounding rock of the roadway, more than one tape is adopted for manual monitoring, and the mode of manual monitoring through the tape is widely used due to the advantages of convenience and easiness in use, but the monitored data error is often larger.
In addition, for monitoring related variables such as roadway surrounding rock stress, impact vibration and the like, people often spend huge economic cost to manufacture a huge data acquisition system, large and heavy equipment is installed on the roadway surrounding rock to monitor by means of a production power supply of a coal mine, various equipment such as a power box is moved in real time along with the promotion of work, and a data line with the length of hundreds of meters is exposed on the roadway surrounding rock and is easily damaged by underground production and construction, so that production is influenced, and the normal running of data acquisition work is also influenced.
To sum up, it can be seen that, for the development work of the roadway surrounding rock ore pressure, the amounts to be monitored are roadway surrounding rock displacement, impact vibration, surrounding rock stress and the like, but the existing monitoring work of the roadway surrounding rock displacement, impact vibration and surrounding rock stress is generally to monitor these variables by different monitoring devices and different methods, and it is difficult to uniformly monitor these variables in real time at the same time point, therefore, there is an urgent need for a roadway surrounding rock ore pressure detection device which can uniformly monitor multiple parameters in real time, has a simple structure, is self-contained in power supply, is low in cost, is light and easy to take, and can independently monitor the roadway surrounding rock in a certain area, and for this purpose:
in a first aspect, the invention provides a roadway surrounding rock mine pressure detection device, which mainly comprises a connection assembly 1, a vibration sensor 2, an upper stress sensor 31, a lower stress sensor 32, a front stress sensor 33 and a rear stress sensor 34:
as shown in fig. 9 and 2, the connecting assembly 1 is suitable for being placed in a surrounding rock of a roadway, the vibration sensor 2, the upper stress sensor 31, the lower stress sensor 32, the front stress sensor 33 and the rear stress sensor 34 are connected to the connecting assembly 1, the upper stress sensor 31 and the lower stress sensor 32 are respectively connected to the upper end and the lower end of the connecting assembly 1, the arrangement direction of the front stress sensor 33 and the rear stress sensor 34 is along the length direction of the roadway, and the front stress sensor 33 and the rear stress sensor 34 are respectively positioned on two opposite sides of the connecting assembly 1.
In this embodiment, on the surrounding rock of the roadway, the surrounding rock stress in the upper, lower, front and rear directions can directly affect the deformation condition of the surrounding rock of the roadway, and understandably, the front and rear directions are along the length direction of the roadway, and based on the actual condition, the embodiment simultaneously monitors the surrounding rock stress and the impact vibration in a device by placing the connecting component 1 in the surrounding rock of the roadway and connecting the upper stress sensor 31, the lower stress sensor 32, the front stress sensor 33 and the rear stress sensor 34 on the connecting component 1 so as to monitor the upper stress, the lower stress of the surrounding rock of the roadway and the front stress and the rear stress along the length direction of the roadway respectively, and further monitor the surrounding rock stress which can affect the deformation of the surrounding rock of the roadway in real time.
Referring to fig. 6, according to an embodiment of the present invention, the method further includes:
the data analysis collector 4, the data analysis collector 4 is suitable for connecting the roadway surrounding rock surface, and the data analysis collector 4 is in signal connection with the vibration sensor 2, the upper stress sensor 31, the lower stress sensor 32, the front stress sensor 33 and the rear stress sensor 34.
It may be appreciated that the data analysis collector 4 is provided with a controller (not shown in the figure) for implementing functions such as data receiving, data storage and data analysis, and the controller may be built in the data analysis collector 4 or may be externally arranged on the data analysis collector 4, preferably, in this embodiment, in order to avoid damage to the controller due to tunnel construction, the controller is built in the data analysis collector 4, and the controller is in signal connection with the vibration sensor 2, the upper stress sensor 31, the lower stress sensor 32, the front stress sensor 33 and the rear stress sensor 34.
Specifically, in the present embodiment, the data analysis collector 4 is provided with a data analysis collector switch 41, a vibration button 42, a stress button 43, and an information display screen 44, the data analysis collector switch 41 is used to turn on or off the data analysis collector 4, the vibration button 42 is used to control the on or off of the operation of the vibration sensor 2, the stress button 43 is used to control the on or off of the operation of the upper stress sensor 31, the lower stress sensor 32, the front stress sensor 33, and the rear stress sensor 34, and the information display screen 44 is used to visualize the data measured by the vibration sensor 2, the upper stress sensor 31, the lower stress sensor 32, the front stress sensor 33, and the rear stress sensor 34.
According to one embodiment of the present invention, further comprising:
the distance measuring device 5, the distance measuring device 5 sets up on data analysis collector 4, and distance measuring device 5 and data analysis collector 4 signal connection.
In this embodiment, the ranging device 5 monitors the tunnel width change condition or the tunnel height change condition in real time, so as to realize the displacement change condition of the surface of the surrounding rock of the tunnel, and it can be seen that the embodiment can uniformly measure the displacement, impact vibration and stress of the surrounding rock of the tunnel at the same time point.
Specifically, the ranging device 5 includes a laser ranging sensor, a measuring end of the laser ranging sensor faces the opposite roadway surrounding rock, and understandably, if the data analysis collector 4 is connected to the roadway left side surrounding rock, the measuring end of the laser ranging sensor faces the roadway right side surrounding rock so as to measure the distance between the roadway right side surrounding rock and the roadway left side surrounding rock, so as to realize real-time monitoring on the roadway width change condition, and if the data analysis collector 4 is connected to the roadway top plate surrounding rock, the measuring end of the laser ranging sensor faces the roadway bottom plate surrounding rock so as to measure the distance between the roadway top plate surrounding rock and the roadway bottom plate surrounding rock, so that real-time monitoring on the roadway height change condition is realized.
More specifically, the data analysis collector 4 is further provided with a displacement button 46, the displacement button 46 being used for switching on or off the operation of the distance measuring device 5.
According to one embodiment of the invention, the data analysis collector 4 is adapted to be connected to a roadway surrounding rock anchor net.
In this embodiment, compared with the manner of hanging or connecting the data analysis collector 4 on the surface of the surrounding rock of the roadway to form a spraying layer, the data analysis collector 4 is directly connected with the anchor net of the surrounding rock of the roadway, so that the fixing effect of the data analysis collector 4 can be improved, and the problem that the data analysis collector 4 is easy to drop in the roadway construction process can be avoided.
According to one embodiment of the present invention, the data analysis collector 4 has a power supply built therein for powering the data analysis collector 4, the upper stress sensor 31, the lower stress sensor 32, the front stress sensor 33 and the rear stress sensor 34.
In particular, the power supply is also used to power the shock sensor 2.
In this embodiment, the upper stress sensor 31, the lower stress sensor 32, the front stress sensor 33, the rear stress sensor 34 and the vibration sensor 2 are powered by the power supply built in the data analysis collector 4, so that the power supply of each sensor is not needed by the production power supply of a coal mine, and the problem that various devices such as a power box are required to be moved in real time along with the promotion of work is avoided.
In the present embodiment, the specific mode of incorporating the power supply into the data analysis and acquisition device 4 may refer to the structure of the conventional data analysis and acquisition device including the self-contained power supply, and the present embodiment does not limit the built-in power supply and the mounting mode of the built-in power supply, and it is understood that the power supply incorporated into the data analysis and acquisition device 4 transmits power to each sensor through a wire capable of transmitting electric energy.
Referring to fig. 7 and 9, according to an embodiment of the present invention, the method further includes:
and one end of the data wire 6 is electrically connected with the data analysis collector 4, and the other end of the data wire 6 is suitable for being electrically connected with the vibration sensor 2, the upper stress sensor 31, the lower stress sensor 32, the front stress sensor 33 and the rear stress sensor 34.
By providing the data conductors 6 to enable electrical connection between each sensor and the data analysis collector 4, the transmission performance is stable, and the transmitted signals include, but are not limited to, data signals.
Referring to fig. 8, according to an embodiment of the present invention, further includes:
the six-way electric connector 7, the six connectors of the six-way electric connector 7 are respectively suitable for being electrically connected with the upper stress sensor 31, the lower stress sensor 32, the front stress sensor 33, the rear stress sensor 34, the vibration sensor 2 and the data wire 6;
referring to fig. 2-5, the connecting assembly 1 is provided with a first through hole 81, a second through hole 82 and a third through hole 83, the first through hole 81, the second through hole 82 and the third through hole 83 are crossed in pairs, so as to form a space with a middle part suitable for accommodating the six-way electric connector 7, the extending direction of the first through hole 81 is along the vertical direction, the upper end and the lower end of the first through hole 81 are respectively suitable for sleeving the upper stress sensor 31 and the lower stress sensor 32, the extending direction of the second through hole 82 is along the length direction of the roadway, the two ends of the second through hole 82 are respectively suitable for sleeving the front stress sensor 33 and the rear stress sensor 34, the extending direction of the third through hole 83 is perpendicular to the length direction of the roadway, one end, close to the data analysis collector 4, of the third through hole 83 is suitable for connecting the data wire 6, and the other end of the third through hole 83 is suitable for sleeving the vibration sensor 2.
In this embodiment, by arranging the six-way electrical connector 7 to realize the electrical connection between the upper stress sensor 31, the lower stress sensor 32, the front stress sensor 33, the rear stress sensor 34, the vibration sensor 2 and the data wire 6, which are respectively located in six directions of the six-way electrical connector 7, the six-way electrical connector 7 is fixed by accommodating the six-way electrical connector 7 through a cavity formed by the vertical intersection of the first through hole 81, the second through hole 82 and the third through hole 83, and the end parts of the six-way electrical connector 7, the sensors and the data wire 6, which are internally arranged in the connecting assembly 1, can be protected by the connecting assembly 1 in such a way that the sensors are penetrated into the connecting assembly 1.
Specifically, for convenience of description, the connector of the six-way electrical connector 7 adapted to connect to the data wire 6 is a data wire connector 71, the connector of the data analysis collector 4 adapted to connect to the data wire 6 is a data analyzer connector 45, two ends of the data wire 6 are respectively a first connector 61 and a second connector 62, the first connector 61 is used for connecting to the data wire connector 71, and the second connector 62 is used for connecting to the data analyzer connector 45.
Referring to fig. 2 to 5, according to an embodiment of the present invention, a connection assembly 1 includes:
the first hemisphere 11, the plane end of the first hemisphere 11 is provided with a first arc-shaped groove 111 and a second arc-shaped groove 112, the first arc-shaped groove 111 and the second arc-shaped groove 112 are vertically crossed, the crossing part is positioned at the sphere center position of the first hemisphere 11, the first hemisphere 11 is provided with a fourth through hole 113, and the extending direction of the fourth through hole 113 is along the axial direction of the first hemisphere 11 and is vertical to the plane end of the first hemisphere 11;
the plane end of the second hemisphere 12 is provided with a third arc-shaped groove 121 and a fourth arc-shaped groove 122, the third arc-shaped groove 121 and the fourth arc-shaped groove 122 are vertically crossed, the crossing part is positioned at the sphere center position of the second hemisphere 12, the second hemisphere 12 is provided with a fifth through hole 123, and the extending direction of the fifth through hole 123 is along the axial direction of the second hemisphere 12 and is vertical to the plane end of the second hemisphere 12;
by bringing the first hemisphere 11 and the second hemisphere 12 into apposition, so that: the first arc-shaped groove 111 and the third arc-shaped groove 121 are combined to form a first through hole 81, the second arc-shaped groove 112 and the fourth arc-shaped groove 122 are combined to form a second through hole 82, and the fourth through hole 113 and the fifth through hole 123 are butted to form a third through hole 83.
It will be appreciated that the first hemisphere 11 and the second hemisphere 12 may be joined to form a sphere.
In this embodiment, by arranging the first hemisphere 11 and the second hemisphere 12 that are matched, the six-way electrical connector 7, the upper stress sensor 31, the lower stress sensor 32, the front stress sensor 33, the rear stress sensor 34, the vibration sensor 2 and the data wire 6 can be respectively placed in the matched arc-shaped grooves or through holes through the first hemisphere 11 and the second hemisphere 12 in the split state, and finally the first hemisphere 11 and the second hemisphere 12 are connected in a butt joint mode to form a whole, so that the detachable connection among the six-way electrical connector 7, the data wire 6 and the sensors and the connecting assembly 1 is realized, and the installation mode is simple.
In addition, after drilling holes in surrounding rocks of a roadway, the end face of the formed drilled holes is a circular face, the connecting assembly 1 is made into a spherical structure, and the connecting assembly 1 with the spherical structure is more suitable for placing the connecting assembly 1 into the drilled holes and fixing the connecting assembly.
In a second aspect, the invention provides a method for detecting the mine pressure of surrounding rock of a roadway, which comprises the following steps:
the roadway surrounding rock ore pressure detection device provided by the first aspect of the invention is utilized to detect the roadway surrounding rock ore pressure.
Specifically, the method comprises the following steps:
firstly, selecting a position where a measuring point is to be arranged in a roadway surrounding rock, and marking the middle parts of a top plate, a bottom plate, a left side wall and a right side wall at the position;
secondly, drilling holes at the marked positions, wherein the drilling depth is self-determined according to the positions of the monitored surrounding rocks;
then, the six-way electric connector 7, each stress sensor and the vibration sensor 2 are assembled in the connecting assembly 1 comprising the first hemisphere 11 and the second hemisphere 12, and the first hemisphere 11 and the second hemisphere 12 are combined to form a sphere structure, and for convenience of description, the whole sphere structure connected with the six-way electric connector 7, each stress sensor and the vibration sensor 2 is named as a stress vibration sphere;
next, the data wire connector 71 is connected to the first connector 61 of the data wire 6 through the third through hole 83;
and paving an anchoring agent with proper dosage on the anchor rod, conveying the stress vibration ball to the bottom of the drilling hole through the anchor rod, and then sealing the drilling hole by using the anchoring agent.
Secondly, connecting a second connector 62 of the data wire 6 to the data analyzer connector 45, and then fixing the data analyzer connector 45 on the roadway surrounding rock anchor net;
then, referring to fig. 9, the above steps are repeated to complete the installation work of the roadway surrounding rock mine pressure detection device provided by the embodiment relative to the top plate, the bottom plate, the left side and the right side, specifically, four stress vibration balls are provided in the embodiment, each stress vibration ball is correspondingly provided with a data analysis collector 4 and a data wire 6, and the four stress vibration balls are respectively placed in the top plate, the bottom plate, the left side and the right side;
and finally, opening all the switches of the data analysis acquisition instrument 4, starting to enter a working state, and completing the installation work of the roadway surrounding rock mine pressure detection device for detecting the appearance of the roadway surrounding rock mine pressure.
In this embodiment, the whole body formed by each stress vibration ball, the data analysis collector and the data wire may be regarded as one embodiment, or a plurality of the whole bodies may be regarded as one embodiment.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. Roadway surrounding rock ore pressure detection device, which is characterized by comprising:
the connecting component (1) is arranged in a drilling hole of the surrounding rock of the roadway, is matched with the drilling hole in shape, and is suitable for being fixed in the drilling hole;
the vibration sensor (2) is arranged in the connecting component (1);
an upper stress sensor (31) arranged in the connecting component (1);
a lower stress sensor (32) arranged in the connecting component (1);
a front stress sensor (33) arranged in the connecting component (1);
a rear stress sensor (34) arranged in the connecting component (1);
six-way electric connectors (7) are positioned in the connecting assembly (1) and are provided with six connectors, and the six connectors are respectively and electrically connected with the vibration sensor (2), the upper stress sensor (31), the lower stress sensor (32), the front stress sensor (33), the rear stress sensor (34) and the data wire (6);
the data wire (6) is provided with a first connector (61) and a second connector (62), the data wire (6) extends from the inside of the connecting assembly (1) to the outside of the connecting assembly (1), and the first connector (61) is connected with the connector of the six-way electric connector (7);
the data analysis acquisition instrument (4) is arranged on the surface of the roadway surrounding rock and is connected with the second joint (62);
the connecting assembly (1) is provided with a first through hole (81), a second through hole (82) and a third through hole (83);
the first through holes (81), the second through holes (82) and the third through holes (83) are vertically crossed in pairs to form a space with the middle part suitable for accommodating the six-way electric connector (7), the extending direction of the first through holes (81) is along the vertical direction, and the upper end and the lower end of the first through holes (81) are respectively suitable for sleeving the upper stress sensor (31) and the lower stress sensor (32);
the extending direction of the second through hole (82) is along the length direction of the roadway, and two ends of the second through hole (82) are respectively suitable for sleeving the front stress sensor (33) and the rear stress sensor (34);
the extending direction of the third through hole (83) is perpendicular to the length direction of the roadway, one end, close to the data analysis collector (4), of the third through hole (83) is suitable for being connected with the data wire (6), and the other end of the third through hole (83) is suitable for being sleeved with the vibration sensor (2).
2. The roadway surrounding rock mine pressure detection apparatus of claim 1, further comprising:
the distance measuring device (5), the distance measuring device (5) is arranged on the data analysis acquisition instrument (4), and the distance measuring device (5) is in signal connection with the data analysis acquisition instrument (4).
3. The roadway surrounding rock ore pressure detection device according to claim 1, wherein the data analysis collector (4) is provided with a data analysis collector switch, a vibration button (42), a stress button (43) and an information display screen (44).
4. The roadway surrounding rock mine pressure detection apparatus of claim 1, wherein the data analysis collector (4) is adapted to be connected to a roadway surrounding rock anchor net.
5. The roadway surrounding rock ore pressure detection device according to claim 1, wherein a power supply is arranged in the data analysis and acquisition instrument (4), and the power supply is used for supplying power to the data analysis and acquisition instrument (4), the upper stress sensor (31), the lower stress sensor (32), the front stress sensor (33) and the rear stress sensor (34).
6. The roadway surrounding rock mine pressure detection device of claim 1, wherein the connection assembly (1) comprises:
the novel semi-sphere comprises a first semi-sphere (11), wherein a first arc-shaped groove (111) and a second arc-shaped groove (112) are formed in the plane end of the first semi-sphere (11), the first arc-shaped groove (111) and the second arc-shaped groove (112) are vertically crossed, the crossed part is positioned at the sphere center of the first semi-sphere (11), a fourth through hole (113) is formed in the first semi-sphere (11), and the extending direction of the fourth through hole (113) is along the axial direction of the first semi-sphere (11) and is perpendicular to the plane end of the first semi-sphere (11);
the plane end of the second hemisphere (12) is provided with a third arc-shaped groove (121) and a fourth arc-shaped groove (122), the third arc-shaped groove (121) and the fourth arc-shaped groove (122) are vertically crossed, the crossing part is positioned at the sphere center position of the second hemisphere (12), the second hemisphere (12) is provided with a fifth through hole (123), and the extending direction of the fifth through hole (123) is along the axial direction of the second hemisphere (12) and is vertical to the plane end of the second hemisphere (12);
-by bringing the first hemisphere (11) and the second hemisphere (12) into apposition such that: the first arc-shaped groove (111) and the third arc-shaped groove (121) are combined to form the first through hole (81), the second arc-shaped groove (112) and the fourth arc-shaped groove (122) are combined to form the second through hole (82), and the fourth through hole (113) and the fifth through hole (123) are abutted to form the third through hole (83).
7. The method for detecting the mine pressure of the surrounding rock of the roadway is characterized by comprising the following steps of:
the mine pressure of the surrounding rock of the roadway is detected by the mine pressure detection device of the surrounding rock of the roadway according to any one of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111588051.7A CN114320468B (en) | 2021-12-23 | 2021-12-23 | Roadway surrounding rock ore pressure detection device and method |
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| CN202111588051.7A CN114320468B (en) | 2021-12-23 | 2021-12-23 | Roadway surrounding rock ore pressure detection device and method |
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| CN114320468B true CN114320468B (en) | 2024-03-22 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019245146A1 (en) * | 2018-06-22 | 2019-12-26 | 코탐(주) | Ict-based system for monitoring, in real time, displacements in mine |
| CN111271129A (en) * | 2020-01-31 | 2020-06-12 | 天地科技股份有限公司 | Method for acquiring deformation and fracture expansion rule of stoping roadway surrounding rock |
| CN211174222U (en) * | 2019-10-10 | 2020-08-04 | 天地科技股份有限公司 | Goaf stress monitoring device and supporting monitoring equipment |
| CN111577360A (en) * | 2020-06-12 | 2020-08-25 | 中南大学 | Recoverable acquisition instrument for real-time observation of stress characteristic and vibration characteristic of stope surrounding rock and use method |
| CN112302722A (en) * | 2020-11-17 | 2021-02-02 | 山西潞安环保能源开发股份有限公司常村煤矿 | Coal mine roadway multi-azimuth stress and deformation wireless monitoring and early warning method and system |
| CN215004047U (en) * | 2021-03-09 | 2021-12-03 | 中国人民解放军军事科学院国防工程研究院 | Three-dimensional vector soil pressure sensor capable of being dynamically oriented |
-
2021
- 2021-12-23 CN CN202111588051.7A patent/CN114320468B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019245146A1 (en) * | 2018-06-22 | 2019-12-26 | 코탐(주) | Ict-based system for monitoring, in real time, displacements in mine |
| CN211174222U (en) * | 2019-10-10 | 2020-08-04 | 天地科技股份有限公司 | Goaf stress monitoring device and supporting monitoring equipment |
| CN111271129A (en) * | 2020-01-31 | 2020-06-12 | 天地科技股份有限公司 | Method for acquiring deformation and fracture expansion rule of stoping roadway surrounding rock |
| CN111577360A (en) * | 2020-06-12 | 2020-08-25 | 中南大学 | Recoverable acquisition instrument for real-time observation of stress characteristic and vibration characteristic of stope surrounding rock and use method |
| CN112302722A (en) * | 2020-11-17 | 2021-02-02 | 山西潞安环保能源开发股份有限公司常村煤矿 | Coal mine roadway multi-azimuth stress and deformation wireless monitoring and early warning method and system |
| CN215004047U (en) * | 2021-03-09 | 2021-12-03 | 中国人民解放军军事科学院国防工程研究院 | Three-dimensional vector soil pressure sensor capable of being dynamically oriented |
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| CN114320468A (en) | 2022-04-12 |
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