CN220599871U - Displacement monitoring and early warning device for soft rock with different depths - Google Patents
Displacement monitoring and early warning device for soft rock with different depths Download PDFInfo
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- CN220599871U CN220599871U CN202321933457.9U CN202321933457U CN220599871U CN 220599871 U CN220599871 U CN 220599871U CN 202321933457 U CN202321933457 U CN 202321933457U CN 220599871 U CN220599871 U CN 220599871U
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- early warning
- warning device
- displacement monitoring
- cylinder
- soft rock
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- 239000011435 rock Substances 0.000 title claims abstract description 39
- 238000012544 monitoring process Methods 0.000 title claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 35
- 238000009434 installation Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a displacement monitoring and early warning device for soft rock with different depths, which comprises a mounting plate, wherein the middle part of one side of the mounting plate is fixedly connected with a cylinder, the cylinder is provided with a mounting groove, a group of pressure cylinders are sleeved on the cylinder in a ring manner, the pressure cylinders are of hollow structures, the inner side of each pressure cylinder is fixedly communicated with one end of a connecting pipe, the other end of each connecting pipe is fixedly communicated with a piston cylinder, each piston cylinder is respectively arranged in a corresponding mounting groove, each piston cylinder is respectively provided with a corresponding piston, the middle part of each piston is fixedly connected with a guide rod, and the upper end of each guide rod penetrates through a corresponding guide hole. The displacement monitoring and early warning device for the soft rock with different depths is beneficial to realizing monitoring and early warning of the displacement of the soft rock with different depths.
Description
Technical Field
The utility model relates to the field of monitoring equipment, in particular to a displacement monitoring and early warning device for soft rocks with different depths.
Background
In the construction of underground cavern surrounding rock engineering, scientific monitoring and early warning are very important, and when the top arch is excavated, the top arch is inevitably passed through a soft rock zone, and is easy to displace greatly due to poor mechanical properties of rock mass, and a series of disastrous events can be even caused in serious cases. In the prior art, aiming at the monitoring work of soft rock deformation, a multipoint displacement meter is generally adopted for long-term measurement, holes are generally formed in a temporary surface, and then a measuring instrument is arranged at a plurality of different heights by adopting a steel cable, so that the displacement condition of the soft rock stratum is comprehensively reflected.
For example, in the present chinese patent with publication number CN213579850U, a multipoint displacement meter suitable for soft rock deformation monitoring is disclosed, which comprises a box body, a dynamometer, a coupling component, a protection barrel, and a steel cable, wherein the bottom end of the steel cable is fixed with a counterweight ball.
The prior art solutions described above have the following drawbacks: 1. in monitoring the surrounding rock layer on the upper side of the tunnel roof arch, the above patent needs to be installed upside down because the steel cable is soft in texture, and the steel cable can bend under the action of gravity, and cannot be installed. 2. The above-mentioned patent needs to pour into the concrete slurry into the exploratory hole and pack when settling, and the installation is comparatively troublesome.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the displacement monitoring and early warning device suitable for the soft rock at different depths of the arch position of the cavity, which is beneficial to realizing the monitoring and early warning of the displacement of the soft rock at different depths.
The utility model adopts the following technical scheme.
The displacement monitoring and early warning device for soft rock with different depths comprises a mounting plate, wherein the middle part of one side of the mounting plate is fixedly connected with a cylinder, and the other side of the mounting plate is provided with a piezoelectric sensor, a controller and a bulb;
the cylinder is provided with a mounting groove, and the outer ring of the cylinder is sleeved with a pressure cylinder;
the inner side of the pressure cylinder is fixedly communicated with one end of a connecting pipe, the other end of the connecting pipe is fixedly communicated with a piston cylinder, the piston cylinder is arranged in the mounting groove, corresponding pistons are respectively arranged in the piston cylinder, and the middle part of each piston is fixedly connected with a guide rod;
the upper end of the guide rod passes through the corresponding guide hole, and the guide hole is arranged on the mounting plate; the device is fixed on soft rock to be monitored through the mounting plate.
As a further limitation of the technical scheme, one side of the mounting plate is fixedly connected with a square rod, and a square sleeve is sleeved on the square rod.
As a further limitation of the technical scheme, a jackscrew is connected to the middle of one side of the square sleeve in a threaded manner, and a piezoelectric sensor is fixedly connected to one side of the square sleeve.
As a further limitation of the technical scheme, the controller is electrically connected with the piezoelectric sensor and the bulb.
As a further limitation of the technical scheme, a plurality of mounting holes are formed in the edge of the mounting plate.
As a further limitation of the technical scheme, a threaded blind hole is formed in the middle of the lower end of the cylinder, and a bolt penetrates through the middle of the baffle plate to be connected with the threaded blind hole.
As a further limitation of the technical scheme, a threaded through hole is formed in the upper side of the pressure cylinder, and the threaded through hole is connected with a plug through internal threads.
As a further limitation of the technical scheme, a plurality of pressure cylinders are arranged, and the pressure cylinders are of hollow structures.
As a further limitation of the present technical solution, the connecting tube, the piston cylinder, the piston, the guide rod and the guide hole are provided with a plurality of connecting tubes.
As a further limitation of the present solution, the length of each guide rod is not equal, and each guide rod end is flush with the upper side of the mounting plate.
The utility model has the beneficial effects that compared with the prior art:
1. the device can monitor the deformation of surrounding rock at the position of the roof arch of the cavity.
2. The device can fix the mounting plate at the monitored position, and concrete slurry does not need to be injected into the exploratory hole for filling, so that the device is convenient to install.
3. The screw, the baffle and the threaded blind hole are convenient for disassembly, assembly and maintenance of the device, and the aim of recycling can be fulfilled.
4. The displacement monitoring and early warning device is used for displacement monitoring and early warning of soft rocks with different depths, and is beneficial to monitoring and early warning of displacement of soft rocks with different depths at the top arch position.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;
FIG. 3 is a schematic diagram of the connection of the connecting tube, the piston cylinder and the guide rod in the present utility model;
FIG. 4 is a schematic illustration of a piston and guide rod connection in accordance with the present utility model;
FIG. 5 is a second schematic illustration of the connection of the piston to the guide rod in the present utility model;
FIG. 6 is a schematic view of a guide bar according to the present utility model;
FIG. 7 is a schematic view of a piston cylinder according to the present utility model;
fig. 8 is a schematic view of the connection of the cylinder to the mounting plate in the present utility model.
In the figure: 1. mounting panel, 2, bulb, 3, mounting hole, 4, pressure tube, 5, baffle, 6, controller, 7, square pole, 8, square sleeve, 9, jackscrew, 10, piezoelectric sensor, 11, connecting pipe, 12, piston tube, 13, plug, 14, piston, 15, guide arm, 16, threaded through hole, 17, threaded blind hole, 18, cylinder, 19, mounting groove, 20, guide hole, 21, bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described herein are merely some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are within the scope of the present utility model.
It should be noted that, in the embodiments of the present utility model, terms such as left, right, up, down, front, and back are merely relative terms or references to a normal use state of a product, i.e. a traveling direction of the product, and should not be construed as limiting.
When an element is referred to as being "on" or "disposed on" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
As shown in fig. 1-2, for the displacement monitoring and early warning device for soft rock with different depths, the mounting plate 1, the pressure cylinder 4 and the baffle 5 are sequentially connected from top to bottom. As shown in fig. 8, the utility model comprises a mounting plate 1, wherein a cylinder 18 is fixedly connected to the middle part of one side of the mounting plate 1, a group of mounting grooves 19 are formed in the cylinder 18, a group of pressure cylinders 4 are sleeved on the cylinder 18 in a ring manner, and the pressure cylinders 4 are of hollow structures;
the displacement monitoring and early warning device is fixed on soft rock to be detected through a mounting plate 1.
As shown in fig. 3-7, the connecting tube 11, the piston cylinder 12, the piston 14, the guide rod 15 and the guide hole 20 are provided with a plurality of groups. The inner side of the pressure cylinder 4 is fixedly communicated with one end of a connecting pipe 11, the other end of the connecting pipe 11 is fixedly communicated with a piston cylinder 12, each piston cylinder 12 is respectively arranged in a corresponding mounting groove 19, each piston cylinder 12 is respectively provided with a corresponding piston 14, and the middle part of each piston 14 is fixedly connected with a guide rod 15;
the upper end of each guide rod 15 passes through a corresponding guide hole 20, a group of guide holes 20 are arranged on the mounting plate 1, the length of each guide rod 15 is unequal, and the end of each guide rod 15 is level with the upper side of the mounting plate 1.
The square pole 7 is fixedly connected to the upper side of the mounting plate 1, and a square sleeve 8 is sleeved on the square pole 7.
The middle part of one side of square sleeve 8 is threaded to be connected with jackscrew 9, one side of square sleeve 8 fixedly connected with piezoelectric sensor 10, piezoelectric sensor 10's model is DT1-028K.
The lamp bulb lamp is characterized in that a controller 6 is fixedly connected to the upper side of the mounting plate 1, a lamp bulb 2 is mounted on the upper side of the mounting plate 1, and mounting holes 3 are formed in the edge of the mounting plate 1.
The middle part of the lower end of the cylinder 18 is provided with a threaded blind hole 17, a bolt 21 penetrates through the middle part of the baffle 5, and the bolt 21 is in threaded connection with the threaded blind hole 17.
The upper side of the pressure cylinder 4 is provided with a threaded through hole 16, and the threaded through hole 16 is internally connected with a screwed plug 13.
When the device is used, hydraulic oil is firstly added into the pressure cylinders 4 through the threaded through holes 16, then the plugs 13 are screwed, then each pressure cylinder 4 is sequentially sleeved on the cylinder 18, each piston cylinder 12 is respectively arranged in a corresponding mounting groove 19, then bolts 21 penetrate through the middle of the baffle plate 5 and are connected with the threaded blind holes 17 in a threaded manner, and a group of pressure cylinders 4 are limited between the mounting plate 1 and the baffle plate 5.
Then to punching to the position that needs to monitor, the diameter that punches keeps unanimous with the external diameter of pressure cylinder 4, then put into the hole of punching with this device is whole, then passes mounting hole 3 through using the inflation screw, fixes mounting panel 1 in the position of monitoring, then the external circuit is connected to controller 6, and piezoelectric sensor 10 and bulb 2 are connected in the circular telegram of controller 6.
When surrounding rock of one depth displaces, the displaced surrounding rock presses the pressure cylinder 4 of the corresponding depth, the outer wall of the corresponding pressure cylinder 4 is extruded and flattened, hydraulic oil in the pressure cylinder 4 is extruded into the piston cylinder 12, the hydraulic oil pushes the piston 14 to move, the piston 14 drives the guide rod 15 to move towards the direction close to the piezoelectric sensor 10, when the end part of the guide rod 15 contacts the piezoelectric sensor 10, the piezoelectric sensor 10 feeds back signals to the controller 6, the controller 6 controls the bulb 2 to lighten, when a worker observes the bulb 2, the piezoelectric sensor 10 can be detached, and the specific guide rod 15 is observed to stretch out, so that the depth and the area of the displaced surrounding rock can be determined because one guide rod 15 corresponds to one pressure cylinder 4.
The utility model has the beneficial effects that compared with the prior art:
1. the device can monitor the deformation of surrounding rock at the position of the roof arch of the cavity;
2. the device can fix the mounting plate at the monitored position without injecting concrete slurry into the exploratory hole for filling, and is convenient to install;
3. the screw, the baffle and the threaded blind hole are convenient for disassembly, assembly and maintenance of the device, and the aim of recycling can be fulfilled.
4. The displacement monitoring and early warning device is used for displacement monitoring and early warning of soft rocks with different depths, and is beneficial to monitoring and early warning of displacement of soft rocks with different depths at the top arch position.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (10)
1. A displacement monitoring early warning device for soft rock of different degree of depth, includes mounting panel (1), characterized by:
the middle part of one side of the mounting plate (1) is fixedly connected with a cylinder (18), and the other side of the mounting plate is provided with a piezoelectric sensor (10), a controller (6) and a bulb (2);
the cylinder (18) is provided with a mounting groove (19), and the outer ring of the cylinder (18) is sleeved with a pressure cylinder (4);
one end of a connecting pipe (11) is fixedly communicated with the inner side of the pressure cylinder (4), a piston cylinder (12) is fixedly communicated with the other end of the connecting pipe (11), the piston cylinder (12) is arranged in an installation groove (19), corresponding pistons (14) are respectively arranged in the piston cylinder (12), and a guide rod (15) is fixedly connected with the middle part of each piston (14);
the upper end of the guide rod (15) passes through a corresponding guide hole (20), and the guide hole (20) is arranged on the mounting plate (1); the device is fixed on soft rock to be monitored through a mounting plate (1).
2. The displacement monitoring and early warning device for soft rock of different depths according to claim 1, wherein the displacement monitoring and early warning device is characterized in that:
one side of the mounting plate (1) is fixedly connected with a square rod (7), and the square rod (7) is sleeved with a square sleeve (8).
3. The displacement monitoring and early warning device for soft rock of different depths according to claim 2, characterized in that:
the middle part of one side of square sleeve (8) is threaded to be connected with jackscrew (9), the opposite side of square sleeve (8) fixedly connected with piezoelectric sensor (10).
4. The displacement monitoring and early warning device for soft rock of different depths according to claim 3, wherein:
the controller (6) is electrically connected with the piezoelectric sensor (10) and the bulb (2).
5. The displacement monitoring and early warning device for soft rock of different depths according to claim 1, wherein the displacement monitoring and early warning device is characterized in that:
the edge of the mounting plate (1) is provided with a plurality of mounting holes (3).
6. The displacement monitoring and early warning device for soft rock of different depths according to claim 1, wherein the displacement monitoring and early warning device is characterized in that:
the middle part of the lower end of the cylinder (18) is provided with a threaded blind hole (17), and a bolt (21) penetrates through the middle part of the baffle (5) to be connected with the threaded blind hole (17).
7. The displacement monitoring and early warning device for soft rock of different depths according to claim 1, wherein the displacement monitoring and early warning device is characterized in that:
the upper side of the pressure cylinder (4) is provided with a threaded through hole (16), and the threaded through hole (16) is internally connected with a screwed plug (13).
8. The displacement monitoring and early warning device for soft rock of different depths according to claim 7, wherein:
the pressure cylinders (4) are arranged in a plurality, and the pressure cylinders (4) are of hollow structures.
9. The displacement monitoring and early warning device for soft rock of different depths according to claim 1, wherein the displacement monitoring and early warning device is characterized in that:
the connecting pipe (11), the piston cylinder (12), the piston (14), the guide rod (15) and the guide hole (20) are provided with a plurality of connecting pipes.
10. The displacement monitoring and early warning device for soft rock of different depths according to claim 9, characterized in that:
the length of each guide rod (15) is unequal, and the end part of each guide rod (15) is flush with the upper side of the mounting plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321933457.9U CN220599871U (en) | 2023-07-21 | 2023-07-21 | Displacement monitoring and early warning device for soft rock with different depths |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321933457.9U CN220599871U (en) | 2023-07-21 | 2023-07-21 | Displacement monitoring and early warning device for soft rock with different depths |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220599871U true CN220599871U (en) | 2024-03-15 |
Family
ID=90174648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321933457.9U Active CN220599871U (en) | 2023-07-21 | 2023-07-21 | Displacement monitoring and early warning device for soft rock with different depths |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220599871U (en) |
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2023
- 2023-07-21 CN CN202321933457.9U patent/CN220599871U/en active Active
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