Mining surrounding rock convergence observation device
By designing a fixed base and transparent plate scale structure that is suitable for the adjustment of the tunnel width, the existing devices have solved the problem of large measurement errors under different tunnel widths, and achieved fast and accurate observation of surrounding rock movement close-up.
Patent Information
- Application Number
- CN202422398705.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-30
AI Technical Summary
The existing surrounding rock movement proximity observation device needs to adjust multiple sets of observation points under different tunnel widths, resulting in large measurement errors and increased workload.
A close-scale observation device for surrounding rock for mining is designed, using a fixed base, a laser fixed emission structure and an observation structure. The vertical rod width is adjusted to adapt to the width of the tunnel through the telescopic groove and hydraulic cylinder, and the moving data is recorded using transparent plates and scale lines. The fixed non-moving transparent plate of laser spotlight is marked with the movement of surrounding rock.
It realizes the rapid and accurate recording of the near-moving amount of surrounding rock under different tunnel widths, reducing measurement errors and workloads, and improving observation efficiency.
Smart Images
Figure CN223179495U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of surrounding rock equipment, and specifically refers to a mine surrounding rock convergence measurement device. Background Technique
[0002] In order to better realize the automation and digitization of coal mine pressure measurement, surrounding rock movement sensors have been more and more widely used in coal mines. They can effectively detect the dynamic changes of mine pressure, so as to strengthen the support before the pressure comes and prevent problems before they occur. In the three-soft coal seam, the roof lithology is carbonaceous mudstone, which belongs to the typical composite roof of soft rock roadway, and the surrounding rock convergence needs to be observed many times.
[0003] The existing surrounding rock convergence measurement devices need to set multiple groups of observation points. Since the widths of different roadways are different, each group of observation devices needs to be adjusted, otherwise the measurement error will be relatively large, increasing the workload. Content of the Utility Model
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a mine surrounding rock convergence measurement device, which effectively solves the problem that the surrounding rock convergence measurement device needs to set multiple groups of observation points. Since the widths of different roadways are different, each group of observation devices needs to be adjusted, otherwise the measurement error will be relatively large, increasing the workload.
[0005] The technical solution adopted by the utility model is as follows: A mine surrounding rock convergence measurement device proposed by the utility model includes a fixed base, a laser fixed emission structure and an observation structure. The laser fixed emission structure is arranged on the fixed base, and the observation structure is arranged on the side wall of the surrounding rock in front of the fixed base. The laser fixed emission structure includes a telescopic groove, a telescopic seat, a hydraulic cylinder, a controller, a vertical rod and a laser spotlight. The telescopic groove runs through the side of the fixed base, the telescopic seat slides in the telescopic groove, one end of the hydraulic cylinder is fixedly arranged in the telescopic seat and the other end is fixedly arranged on the fixed base, the controller is fixedly arranged on the telescopic seat, the vertical rod is fixedly arranged on the controller, and the laser spotlight is fixedly arranged on the vertical rod and electrically connected to the controller.
[0006] Preferably, the observation structure includes a mounting seat, an anchor bolt, a transparent plate and scale lines. The mounting seat is arranged on the side wall of the surrounding rock in front of the fixed base, the anchor bolt penetrates through the mounting seat and anchors in the surrounding rock, the transparent plate is fixedly arranged on the mounting seat, and the scale lines are fixedly arranged on the surface of the transparent plate.
[0007] In order to better achieve the effect of roadways with different widths, the telescopic seat slides and telescopically adjusts the width of the vertical rod on the controller to adapt to the roadway width in the telescopic groove.
[0008] In order to achieve the purpose of observation faster, multiple groups of the transparent plates are fixedly arranged on the surrounding rock wall at intervals.
[0009] Further, the transparent plate is made of a resin material.
[0010] To achieve an intuitive observation effect, the laser spotlight is fixed while the transparent plate moves with the surrounding rock.
[0011] The beneficial effects obtained by the present utility model with the above structure are as follows: A mine surrounding rock approach amount observation device proposed by this solution fixes the transparent plate on the surrounding rock wall through the mounting seat at a certain interval, turns on the laser spotlight on the vertical rod for laser irradiation. At this time, the laser emitted by the laser spotlight penetrates the transparent plate, and then uses a colored pen to mark on the scale line of the transparent plate. Then, after a period of time, observe the approach situation of the surrounding rock driving the transparent plate. At this time, mark the position of the scale line on the transparent plate by laser irradiation, so as to record the approach data. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of a mine surrounding rock approach amount observation device proposed by the present utility model;
[0013] Figure 2 It is a schematic diagram of the structure of another perspective of a mine surrounding rock approach amount observation device proposed by the present utility model;
[0014] Figure 3 It is a schematic diagram of the sectional structure of a mine surrounding rock approach amount observation device proposed by the present utility model.
[0015] Among them, 1, fixed base; 2, laser fixed emission structure; 3, observation structure; 4, telescopic groove; 5, telescopic seat; 6, hydraulic cylinder; 7, controller; 8, vertical rod; 9, laser spotlight; 10, mounting seat; 11, anchor bolt; 12, transparent plate; 13, scale line.
[0016] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present utility model.
[0018] Such as Figure 1 、 Figure 2 and Figure 3As shown in the figure, a mine surrounding rock convergence amount observation device proposed by the utility model includes a fixed base 1, a laser fixed emission structure 2 and an observation structure 3. The laser fixed emission structure 2 is arranged on the fixed base 1, and the observation structure 3 is arranged on the side wall of the surrounding rock in front of the fixed base 1. The laser fixed emission structure 2 includes a telescopic groove 4, a telescopic seat 5, a hydraulic cylinder 6, a controller 7, a vertical rod 8 and a laser spotlight 9. The telescopic groove 4 runs through the side of the fixed base 1, the telescopic seat 5 slides in the telescopic groove 4, one end of the hydraulic cylinder 6 is fixedly arranged in the telescopic seat 5 and the other end is fixedly arranged on the fixed base 1, the controller 7 is fixedly arranged on the telescopic seat 5, the vertical rod 8 is fixedly arranged on the controller 7, the telescopic seat 5 slides and expands in the telescopic groove 4 to adjust the width of the vertical rod 8 on the controller 7 to adapt to the roadway width, and the laser spotlight 9 is fixedly arranged on the vertical rod 8 and electrically connected to the controller 7.
[0019] As Figure 1 and Figure 2 shown in the figure, the observation structure 3 includes a mounting seat 10, an anchor bolt 11, a transparent plate 12 and a scale line 13. The mounting seat 10 is arranged on the surrounding rock side wall in front of the fixed base 1, the anchor bolt 11 penetrates through the mounting seat 10 and anchors in the surrounding rock, the transparent plate 12 is fixedly arranged on the mounting seat 10, multiple groups of transparent plates 12 are fixedly arranged at intervals on the surrounding rock wall, the transparent plate 12 is made of resin material, the laser spotlight 9 is fixed and immovable while the transparent plate 12 moves with the surrounding rock, and the scale line 13 is fixedly arranged on the surface of the transparent plate 12.
[0020] During specific use, when the user uses this device, first place the fixed base 1 into the roadway, and then according to the roadway width, control the hydraulic cylinder 6 to push the telescopic seat 5 to slide outwards in the telescopic groove 4 of the fixed base 1 until the telescopic seat 5 is pushed to a position five centimeters away from the surrounding rock. Then place the mounting seat 10 on the transparent plate 12 on the side wall of the surrounding rock, and then use the anchor bolt 11 to penetrate through the transparent plate 12 and fix it on the side wall of the surrounding rock. After fixing multiple groups of transparent plates 12, control the controller 7 to turn on the laser spotlight 9 on the vertical rod 8. At this time, the laser spotlight 9 emits laser light, and at this time the laser penetrates through the transparent plate 12 and is perpendicular to the scale line 13. Then use a marker pen to mark at the position where the laser penetrates through the scale line 13. After a period of time, observe the position where the laser penetrates through the scale line 13 on the transparent plate 12, and the distance of the surrounding rock movement can be directly observed, so as to quickly install and observe, improving the accuracy and efficiency. The above is the entire use process of the mine surrounding rock convergence amount observation device.
[0021] It should be noted that, in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.
[0022] Although embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
[0023] The above describes the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the purpose of the creation of the present utility model, design similar structural manners and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the present utility model.
Claims
1. A device for observing the approaching amount of surrounding rock in a mine, characterized in that: It includes a fixed base, a laser fixed emission structure and an observation structure. The laser fixed emission structure is arranged on the fixed base, and the observation structure is arranged on the side wall of the surrounding rock in front of the fixed base. The laser fixed emission structure includes a telescopic groove, a telescopic seat, a hydraulic cylinder, a controller, a vertical rod and a laser spotlight. The telescopic groove is arranged through the side of the fixed base, the telescopic seat is slidably arranged in the telescopic groove, one end of the hydraulic cylinder is fixedly arranged in the telescopic seat and the other end is fixedly arranged on the fixed base, the controller is fixedly arranged on the telescopic seat, the vertical rod is fixedly arranged on the controller, and the laser spotlight is fixedly arranged on the vertical rod and electrically connected to the controller.
2. The mine surrounding rock approaching amount observation device according to claim 1, characterized in that: The observation structure includes a mounting seat, anchor bolts, a transparent plate and scale lines. The mounting seat is arranged on the surrounding rock of the front side wall of the fixed base, the anchor bolts penetrate through the mounting seat and are anchored in the surrounding rock, the transparent plate is fixedly arranged on the mounting seat, and the scale lines are fixedly arranged on the surface of the transparent plate.
3. The observation device for the surrounding rock convergence amount in a mine according to claim 2, characterized in that: The telescopic seat slides and expands and contracts in the telescopic groove to adjust the width of the vertical rod on the controller to adapt to the roadway width.
4. A mine surrounding rock convergence measurement device according to claim 3, characterized in that: Multiple groups of the transparent plates are fixedly arranged at intervals on the surrounding rock wall.
5. The mine surrounding rock approach amount observation device according to claim 4, characterized in that: The transparent plate is made of resin material.
6. The mine surrounding rock approaching amount observation device according to claim 5, characterized in that: The laser spotlight is fixed and the transparent plate moves with the surrounding rock.