CN112361923B - Measuring device for monitoring coal mine tunnel roof deviation - Google Patents
Measuring device for monitoring coal mine tunnel roof deviation Download PDFInfo
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- CN112361923B CN112361923B CN202011216677.0A CN202011216677A CN112361923B CN 112361923 B CN112361923 B CN 112361923B CN 202011216677 A CN202011216677 A CN 202011216677A CN 112361923 B CN112361923 B CN 112361923B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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Abstract
The invention discloses a measuring device for monitoring coal mine roadway roof deviation, which comprises a first measuring component, a second measuring component, a third measuring component, a connecting cylinder, a first adjusting component and a second adjusting component, wherein the first measuring component is vertically arranged, the positions of two sides of the lower part of the first measuring component are respectively hinged with the second measuring component and the third measuring component through horizontal hinged parts, the other end of the second measuring component is hinged with the side wall of a roadway through the first adjusting component, the other end of the third measuring component is hinged with the side wall of the roadway through the second adjusting component, and the top of the first measuring component is fixedly connected with the top of the roadway through the connecting cylinder; when the roadway roof deflects along the horizontal direction, the first measuring component drives the second measuring component and the third measuring component to deflect and measure; and, when the tunnel roof carried out the skew along vertical direction, connecting cylinder drives first measuring component and carries out the skew and measure.
Description
Technical Field
The invention relates to the technical field of roof deviation measurement, in particular to a measuring device for monitoring roof deviation of a coal mine roadway.
Background
The roadway is various passages drilled between the ground surface and an ore body and is used for carrying ores, ventilating, draining, pedestrians and various necessary preparation projects newly dug for mining ores of metallurgical equipment, so that the stability of the roadway is critical, the personal safety is critical, the progress of the project is critical, the exposure degree of a top plate of the roadway is larger along with the advance of the roadway, and the top plate can be deviated.
Therefore, there is a need for a measuring device for monitoring coal mine roadway roof deviation, which solves the problems of the background art mentioned above.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a measuring device for monitoring coal mine roadway roof deviation comprises a first measuring assembly, a second measuring assembly, a third measuring assembly, a connecting cylinder, a first adjusting assembly and a second adjusting assembly, wherein the first measuring assembly is vertically arranged, positions on two sides of the lower portion of the first measuring assembly are respectively hinged to the second measuring assembly and the third measuring assembly through horizontal hinged parts, the other end of the second measuring assembly is hinged to the side wall of a roadway through the first adjusting assembly, the other end of the third measuring assembly is hinged to the side wall of the roadway through the second adjusting assembly, and the top of the first measuring assembly is fixedly connected with the top of the roadway through the connecting cylinder;
when the roadway roof deflects along the horizontal direction, the first measuring component drives the second measuring component and the third measuring component to deflect and measure;
and, when the tunnel roof carried out the skew along vertical direction, connecting cylinder drives first measuring component and carries out the skew and measure.
Further, as preferred, be fixed with the stock of anchor on the roof in the connecting cylinder, the stock is supplied by the slip casting pipe, and, when the offset of tunnel roof exceeded the default threshold value, through slip casting pipe slip casting in to the stock to consolidate the tunnel roof and continue the monitoring.
Further, as preferred, one end of the grouting pipe is communicated with a grouting barrel, the other end of the grouting barrel is communicated with a grouting head assembly, and a grouting pressure detector is further connected in the grouting barrel and used for detecting grouting pressure.
Further, preferably, the grouting head assembly comprises a first grouting head, a first mixing bin, a second grouting head, a second mixing bin and a third mixing bin, wherein one side of the third mixing bin is communicated with the first mixing bin through a first guide pipe, the first mixing bin is further communicated with the first grouting head, the other side of the third mixing bin is communicated with the second mixing bin through a second guide pipe, and the second mixing bin is further communicated with the second grouting head;
the first guide pipe is arranged towards the bottom of the third mixing bin, and the second guide pipe is arranged towards the top of the third mixing bin.
Further, as a preferred option, a mixing wheel is rotatably arranged in each of the first mixing bin, the second mixing bin and the third mixing bin.
Further, preferably, the first measuring assembly, the second measuring assembly and the third measuring assembly have the same structure and respectively comprise a measuring cylinder, a sliding plug, a measuring rod, a contact rod, a first contactor and a second contactor, wherein the sliding plug is arranged in the measuring cylinder in a sliding manner, one end of the sliding plug is fixed with the contact rod, the other end of the sliding plug is fixed with the measuring rod, the measuring rod extends out of the measuring cylinder in a sliding manner, and symmetrically arranged scale marks are distributed on the measuring rod;
a first contactor is fixed at the bottom of the measuring cylinder, and a second contactor is arranged at the top of the measuring cylinder;
the sliding plug is connected with the bottom of the measuring cylinder through a spring, and in an initial state, the 0 scale mark of the measuring rod is flush with the surface of the measuring cylinder.
Further, preferably, the first adjusting assembly and the second adjusting assembly have the same structure and respectively comprise an adjusting cylinder, a base, a connecting arm, a bearing seat, a screw rod, a limiting cylinder and a telescopic arm, wherein one end of the adjusting cylinder is fixedly connected with the connecting arm through the base, the other end of the connecting arm is fixedly connected with the second measuring assembly, the screw rod is rotatably arranged in the adjusting cylinder through the bearing seat, the telescopic arm is in transmission connection with the screw rod, one end of the telescopic arm extending out of the adjusting cylinder is hinged with the hinge seat, and the other end of the hinge seat is fixed on the side wall of the roadway;
and a limiting cylinder capable of limiting the rotation of the telescopic arm is further fixed on the inner wall of the adjusting cylinder.
Further, as preferred, the regulation section of thick bamboo rotates the embedding and has the swivel becket that the cross section is the I shape to cut apart into two parts with the regulation section of thick bamboo, the surface of the regulation section of thick bamboo of every part all corresponds the endotheca that has a bearing of welding, two the overcoat of bearing all welds with the swivel becket mutually, thereby supports the swivel becket and rotates to and connect two parts of adjusting the section of thick bamboo.
Further, as preferred, the outside cover of lead screw is equipped with spacing arch, be fixed with on the inner wall of an adjusting cylinder and have elasticity and can the spacing bellied chucking cover of chucking, set up the cell body that multiunit has the inclined plane on the circumference of chucking cover, and slide on the inclined plane and be provided with the chucking claw, the surface threaded connection of an adjusting cylinder has the chucking nut that can drive the chucking claw and carry out the removal.
Further, as preferred, horizontal articulated elements includes horizontal folding joint and articulated rod, and wherein, two sets of articulated rod longitudinal symmetry's hinge is between first measuring component and second measuring component, and other two sets of articulated rod longitudinal symmetry's hinge is between first measuring component and third measuring component.
Compared with the prior art, the invention provides a measuring device for monitoring coal mine roadway roof deviation, which has the following beneficial effects:
the device is fixedly connected with the top of a roadway by using the connecting cylinder, meanwhile, the anchor rod is synchronously anchored in the top plate, and when the top plate of the roadway is deviated along the horizontal direction, the first measuring component drives the second measuring component and the third measuring component to deviate and measure; when the tunnel roof squints along vertical direction, the connecting cylinder drives first measuring component and squints and measures, when the tunnel roof squints along vertical and horizontal direction, first measuring component this moment, second measuring component and third measuring component all participate in the measurement, thereby realize diversified monitoring and measuring, and, when the offset of tunnel roof exceedes preset threshold value, slip casting in to the stock through the slip casting pipe, thereby consolidate the tunnel roof and continue the monitoring, holistic response time has been reduced, and the artifical reinforced action of participating in the slip casting has been reduced, still can continue the monitoring when improving the security, and whole cost is lower.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a plan view of the middle portion of FIG. 1;
FIG. 3 is a schematic structural view of a grouting head assembly according to the present invention;
FIG. 4 is a schematic structural view of a second measuring assembly according to the present invention;
FIG. 5 is a schematic view of a first adjustment assembly of the present invention;
in the figure: 1. a first measurement assembly; 2. a second measurement assembly; 3. a horizontal hinge; 31. a horizontal folding joint; 32. a hinged lever; 4. a third measurement assembly; 5. a connecting cylinder; 6. an anchor rod; 7. a first adjustment assembly; 8. a second adjustment assembly; 9. a connecting flange; 10. a grouting cylinder; 11. a grouting pipe; 12. a grouting pressure detector; 13. a grouting head assembly; 131. a first grouting head; 132. a first mixing bin; 133. a first draft tube; 134. a second grouting head; 135. a second mixing bin; 136. a second draft tube; 137. a third mixing bin; 138. a mixing wheel; 21. a measuring cylinder; 22. a sliding plug; 23. a measuring rod; 24. a feeler lever; 25. a first contactor; 26. a second contactor; 27. a spring; 71. an adjusting cylinder; 72. a base; 73. a connecting arm; 74. a bearing seat; 75. a lead screw; 76. a limiting cylinder; 77. a telescopic arm; 78. a hinged seat; 79. a rotating ring; 710. a bearing; 711. a limiting bulge; 712. a clamping sleeve; 713. a clamping claw; 714. and (4) clamping the nut.
Detailed Description
Referring to fig. 1 to 5, in the embodiment of the present invention, a measuring device for monitoring coal mine roadway roof deviation includes a first measuring assembly 1, a second measuring assembly 2, a third measuring assembly 4, a connecting cylinder 5, a first adjusting assembly 7 and a second adjusting assembly 8, wherein the first measuring assembly 1 is vertically disposed, positions on two sides of a lower portion of the first measuring assembly 1 are respectively hinged to the second measuring assembly 2 and the third measuring assembly 4 by using a horizontal hinge 3, another end of the second measuring assembly 2 is hinged to a side wall of a roadway by using the first adjusting assembly 7, another end of the third measuring assembly 4 is hinged to the side wall of the roadway by using the second adjusting assembly 8, and a top of the first measuring assembly 1 is fixedly connected to a top of the roadway by using the connecting cylinder 5;
when the roadway roof is shifted along the horizontal direction, the first measuring component 1 drives the second measuring component 2 and the third measuring component 4 to shift and measure;
and, when the tunnel roof carried out the skew along vertical direction, connecting cylinder 5 drove first measuring component 1 and carried out the skew and measure, certainly, when the tunnel roof carried out the skew along vertical and horizontal direction, first measuring component, second measuring component and third measuring component all participated in the measurement this moment.
In this embodiment, be fixed with anchor 6 on the roof in the connecting cylinder 5, anchor 6 is supplied by slip casting pipe 11, and, when the offset of tunnel roof exceeded the default threshold value, through slip casting pipe 11 to anchor 6 in to consolidate the tunnel roof and continue the monitoring, reduced holistic response time, and reduced artifical participation slip casting reinforced (rfd) action, still can continue the monitoring when improving the security.
In a preferred embodiment, as shown in fig. 2, one end of the grouting pipe 11 is communicated with a grouting cylinder 10, the other end of the grouting cylinder 10 is communicated with a grouting head assembly 13, and a grouting pressure detector 12 is further connected in the grouting cylinder 10 for detecting grouting pressure.
In this embodiment, as shown in fig. 3, the grouting head assembly 13 includes a first grouting head 131, a first mixing bin 132, a second grouting head 134, a second mixing bin 135 and a third mixing bin 137, wherein one side of the third mixing bin 137 is communicated with the first mixing bin 132 by using a first flow guide pipe 133, the first mixing bin 132 is further communicated with the first grouting head 131, the other side of the third mixing bin 137 is communicated with the second mixing bin 135 by using a second flow guide pipe 136, and the second mixing bin 135 is further communicated with the second grouting head 134;
the first guide pipe 133 is disposed toward the bottom of the third mixing chamber 137, the second guide pipe 136 is disposed toward the top of the third mixing chamber 137, so that a vortex is formed in the third mixing chamber 137 to improve the mixing effect, and the first grouting head 131 may be connected to an external slurry pipe and the second grouting head 134 may be connected to an external accelerator pipe.
In a preferred embodiment, the first mixing chamber 132, the second mixing chamber 135 and the third mixing chamber 137 are rotatably provided with mixing wheels 138.
In this embodiment, as shown in fig. 4, the first measuring component 1, the second measuring component 2, and the third measuring component 4 have the same structure, and each of the first measuring component 1, the second measuring component 2, and the third measuring component 4 includes a measuring cylinder 21, a sliding plug 22, a measuring rod 23, a contact rod 24, a first contactor 25, and a second contactor 26, where the sliding plug 22 is slidably disposed in the measuring cylinder 21, one end of the sliding plug 22 is fixed with the contact rod 24, the other end of the sliding plug is fixed with the measuring rod 23, the measuring rod 23 slidably extends out of the measuring cylinder 21, and symmetrically disposed scale marks are distributed on the measuring rod 23;
a first contactor 25 is fixed at the bottom of the measuring cylinder 21, a second contactor 26 is arranged at the top of the measuring cylinder, the first contactor 25 and the second contactor 26 can be sound alarms or contact switches, and taking the sound alarms as an example, when the contact rod 24 touches the first contactor 25, a sound is emitted to alarm;
the sliding plug 22 is connected with the bottom of the measuring cylinder 21 by a spring 27, and in an initial state, the scale line of '0' of the measuring rod 23 is flush with the surface of the measuring cylinder.
In this embodiment, as shown in fig. 5, the first adjusting assembly 7 and the second adjusting assembly 8 both include an adjusting cylinder 71, a base 72, a connecting arm 73, a bearing seat 74, a screw 75, a limiting cylinder 76, and a telescopic arm 77, where one end of the adjusting cylinder 71 is fixedly connected to the connecting arm 73 through the base 72, the other end of the connecting arm 73 is used for fixedly connecting to the second measuring assembly 2, the adjusting cylinder 71 is rotatably provided with the screw 75 through the bearing seat 74, the screw 75 is connected to the telescopic arm 77 in a transmission manner, one end of the telescopic arm 77 extending out of the adjusting cylinder 71 is hinged to a hinge seat 78, and the other end of the hinge seat 78 is fixed to a roadway side wall;
still be fixed with on the inner wall of adjusting a section of thick bamboo 71 and restrict a spacing section of thick bamboo 76 of telescopic boom 77 pivoted, it is concrete, can set up the spacing groove on the inner wall of a spacing section of thick bamboo 76, and the spacing gliding setting of telescopic boom can in the spacing groove, consequently through the rotation of lead screw 75, can drive telescopic boom 77 and stretch out and draw back, be convenient for adapt to the width in tunnel.
In a preferred embodiment, a rotating ring 79 with an i-shaped cross section is rotatably embedded in the adjusting cylinder 71, so that the adjusting cylinder 71 is divided into two parts, an inner sleeve of a bearing is correspondingly welded on the outer surface of the adjusting cylinder 71 of each part, and outer sleeves of the two bearings are welded with the rotating ring 79, so as to support the rotating ring 79 to rotate, and connect the two parts of the adjusting cylinder 71.
As a preferred embodiment, a limiting protrusion 711 is sleeved outside the lead screw 75, a clamping sleeve 712 which has elasticity and can clamp the limiting protrusion 711 is fixed on the inner wall of the adjusting cylinder 71, a plurality of groups of groove bodies with inclined planes are formed on the circumference of the clamping sleeve 712, clamping claws 713 are slidably arranged on the inclined planes, and a clamping nut 714 which can drive the clamping claws 713 to move is connected to the outer surface of the adjusting cylinder 71 through threads.
In this embodiment, the horizontal hinge 3 includes a horizontal folding joint 31 and two hinge rods 32, wherein two groups of the hinge rods 32 are symmetrically hinged between the first measuring assembly 1 and the second measuring assembly 2, and the other two groups of the hinge rods 32 are symmetrically hinged between the first measuring assembly 1 and the third measuring assembly 4.
In the concrete implementation, the first measuring component 1 is vertically placed and fixedly connected with the top of a roadway by using the connecting cylinder 5, meanwhile, the anchor rod 6 is synchronously anchored in a roof plate, then the overall length of the first adjusting component 7 and the second adjusting component 8 is adjusted so as to adapt to the width of the roadway, when the roof plate of the roadway deviates along the horizontal direction, the first measuring component 1 drives the second measuring component 2 and the third measuring component 4 to deviate and measure, when the roof plate of the roadway deviates along the vertical direction, the connecting cylinder 5 drives the first measuring component 1 to deviate and measure, when the roof plate of the roadway deviates along the vertical direction and the horizontal direction, the first measuring component, the second measuring component and the third measuring component all participate in the measurement, and when the deviation amount of the roof plate of the roadway exceeds a preset threshold value, the anchor rod 6 is grouted through the grouting pipe 11, thereby consolidate the tunnel roof and continue the monitoring, reduced holistic response time to reduce artifical participation slip casting reinforced action, still can continue the monitoring when improving the security.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (9)
1. The utility model provides a measuring device for be used for monitoring colliery tunnel roof skew which characterized in that: the device comprises a first measuring component (1), a second measuring component (2), a third measuring component (4), a connecting cylinder (5), a first adjusting component (7) and a second adjusting component (8), wherein the first measuring component (1) is vertically arranged, the positions of two sides of the lower part of the first measuring component (1) are respectively hinged with the second measuring component (2) and the third measuring component (4) through horizontal hinged pieces (3), the other end of the second measuring component (2) is hinged with the side wall of a roadway through the first adjusting component (7), the other end of the third measuring component (4) is hinged with the side wall of the roadway through the second adjusting component (8), and the top of the first measuring component (1) is fixedly connected with the top of the roadway through the connecting cylinder (5);
when the roadway roof deflects along the horizontal direction, the first measuring component (1) drives the second measuring component (2) and the third measuring component (4) to deflect and measure;
when the roadway roof deflects along the vertical direction, the connecting cylinder (5) drives the first measuring assembly (1) to deflect and measure;
the first measuring component (1), the second measuring component (2) and the third measuring component (4) are identical in structure and respectively comprise a measuring cylinder (21), a sliding plug (22), a measuring rod (23), a contact rod (24), a first contactor (25) and a second contactor (26), wherein the sliding plug (22) is arranged in the measuring cylinder (21) in a sliding mode, the contact rod (24) is fixed to one end of the sliding plug (22), the measuring rod (23) is fixed to the other end of the sliding plug, the measuring rod (23) stretches out of the measuring cylinder (21) in a sliding mode, and scale marks which are symmetrically arranged are distributed on the measuring rod (23);
a first contactor (25) is fixed at the bottom of the measuring cylinder (21), and a second contactor (26) is arranged at the top of the measuring cylinder;
the sliding plug (22) is connected with the bottom of the measuring cylinder (21) through a spring (27), and in an initial state, the 0-degree scale line of the measuring rod (23) is flush with the surface of the measuring cylinder.
2. A measuring device for monitoring coal mine roadway roof deflection as claimed in claim 1, wherein: be fixed with stock (6) of anchor on the roof in connecting cylinder (5), stock (6) are supplied by slip casting pipe (11), and, when the offset of tunnel roof exceeded preset threshold value, through slip casting pipe (11) to in stock (6) slip casting to consolidate the tunnel roof and continue the monitoring.
3. A measuring device for monitoring coal mine roadway roof deflection as claimed in claim 2, wherein: one end of the grouting pipe (11) is communicated with the grouting barrel (10), the other end of the grouting barrel (10) is communicated with the grouting head assembly (13), and the grouting barrel (10) is also connected with a grouting pressure detector (12) for detecting grouting pressure.
4. A measuring device for monitoring coal mine roadway roof drift according to claim 3, wherein: the grouting head assembly (13) comprises a first grouting head (131), a first mixing bin (132), a second grouting head (134), a second mixing bin (135) and a third mixing bin (137), wherein one side of the third mixing bin (137) is communicated with the first mixing bin (132) through a first guide pipe (133), the first mixing bin (132) is further communicated with the first grouting head (131), the other side of the third mixing bin (137) is communicated with the second mixing bin (135) through a second guide pipe (136), and the second mixing bin (135) is further communicated with the second grouting head (134);
the first guide pipe (133) is arranged towards the bottom of the third mixing bin (137), and the second guide pipe (136) is arranged towards the top of the third mixing bin (137).
5. A measuring device for monitoring coal mine roadway roof drift according to claim 4, wherein: and mixing wheels (138) are arranged in the first mixing bin (132), the second mixing bin (135) and the third mixing bin (137) in a rotating mode.
6. A measuring device for monitoring coal mine roadway roof deflection as claimed in claim 1, wherein: the structure of the first adjusting assembly (7) is the same as that of the second adjusting assembly (8), and the first adjusting assembly and the second adjusting assembly both comprise adjusting cylinders (71), bases (72), connecting arms (73), bearing seats (74), lead screws (75), limiting cylinders (76) and telescopic arms (77), wherein one ends of the adjusting cylinders (71) are fixedly connected with the connecting arms (73) through the bases (72), the other ends of the connecting arms (73) are fixedly connected with the second measuring assembly (2), the adjusting cylinders (71) are rotatably provided with the lead screws (75) through the bearing seats (74), the lead screws (75) are in transmission connection with the telescopic arms (77), one ends of the telescopic arms (77) extending out of the adjusting cylinders (71) are hinged with hinged seats (78), and the other ends of the hinged seats (78) are fixed on a roadway side wall;
and a limiting cylinder (76) capable of limiting the rotation of the telescopic arm (77) is further fixed on the inner wall of the adjusting cylinder (71).
7. A measuring device for monitoring coal mine roadway roof drift according to claim 6, wherein: the adjusting cylinder (71) is embedded with a rotating ring (79) with an I-shaped cross section in a rotating mode, so that the adjusting cylinder (71) is divided into two parts, the outer surface of the adjusting cylinder (71) of each part is correspondingly welded with an inner sleeve of a bearing, the outer sleeve of the bearing is welded with the rotating ring (79), and therefore the rotating ring (79) is supported to rotate, and the two parts of the adjusting cylinder (71) are connected.
8. A measuring device for monitoring coal mine roadway roof drift according to claim 6, wherein: the outside cover of lead screw (75) is equipped with spacing arch (711), be fixed with on the inner wall of adjusting a section of thick bamboo (71) have elasticity and can the spacing chucking cover (712) of protruding (711) of chucking, set up the cell body that many groups have the inclined plane on the circumference of chucking cover (712), and slide on the inclined plane and be provided with chucking claw (713), the surface threaded connection of adjusting a section of thick bamboo (71) has chucking nut (714) that can drive chucking claw (713) and carry out the removal.
9. A measuring device for monitoring coal mine roadway roof deflection as claimed in claim 1, wherein: the horizontal hinged part (3) comprises a horizontal folding joint (31) and hinged rods (32), wherein the two groups of hinged rods (32) are hinged between the first measuring component (1) and the second measuring component (2) in a vertical symmetrical mode, and the other two groups of hinged rods (32) are hinged between the first measuring component (1) and the third measuring component (4) in a vertical symmetrical mode.
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| CN202011216677.0A CN112361923B (en) | 2020-11-04 | 2020-11-04 | Measuring device for monitoring coal mine tunnel roof deviation |
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| CN202011216677.0A CN112361923B (en) | 2020-11-04 | 2020-11-04 | Measuring device for monitoring coal mine tunnel roof deviation |
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| CN112902793B (en) * | 2021-01-27 | 2022-03-01 | 青岛青特众力车桥有限公司 | General type half shell air hole length gauge assembly |
| CN113048858B (en) * | 2021-03-19 | 2023-05-26 | 重庆安全技术职业学院 | Convenient measuring device for architectural decoration design |
| CN116182668A (en) * | 2023-04-25 | 2023-05-30 | 山东中兴科技开发有限公司 | Measuring device for monitoring coal mine tunnel roof deflection |
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