CN114719908A - Coal petrography dynamic disaster auxiliary measuring device - Google Patents
Coal petrography dynamic disaster auxiliary measuring device Download PDFInfo
- Publication number
- CN114719908A CN114719908A CN202210369886.1A CN202210369886A CN114719908A CN 114719908 A CN114719908 A CN 114719908A CN 202210369886 A CN202210369886 A CN 202210369886A CN 114719908 A CN114719908 A CN 114719908A
- Authority
- CN
- China
- Prior art keywords
- plate
- base plate
- column
- measuring device
- fixedly arranged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003245 coal Substances 0.000 title claims abstract description 29
- 239000011435 rock Substances 0.000 claims abstract description 23
- 230000003139 buffering effect Effects 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 230000000712 assembly Effects 0.000 abstract description 5
- 238000000429 assembly Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 238000013016 damping Methods 0.000 description 7
- 230000005670 electromagnetic radiation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
Abstract
The invention relates to an auxiliary measuring device for coal rock dynamic disasters, and relates to the technical field of auxiliary measuring equipment. The device comprises a base plate and a mounting plate fixedly arranged at the top end of the base plate and used for mounting measuring equipment, wherein four corners of the bottom end of the base plate are fixedly provided with bearing columns, a plurality of groups of bottom rings are rotatably mounted on the base plate, the lower ends of the bottom rings are fixedly provided with hinged blocks, the inner sides of the hinged blocks are hinged with adjusting columns, and the bottom ends, far away from the hinged blocks, of the adjusting columns are fixedly provided with a ground contact buffering assembly. The base plate and the placing plate are supported by the bearing columns, the measuring equipment is installed on the placing plate, the bottom ring arranged at the lower end of the base plate can rotate to drive the adjusting columns below the bottom ring to rotate synchronously, the bottom end of each adjusting column is abutted against the ground by the aid of the buffer assemblies at the bottom ends of the adjusting columns, and the whole base plate and the placing plate can be buffered in multiple directions due to the fact that the lower end of the base plate is provided with the plurality of groups of bottom rings and the lower end of each group of bottom rings is provided with the adjusting columns and the buffer assemblies.
Description
Technical Field
The invention belongs to the technical field of auxiliary measurement equipment, and relates to an auxiliary measurement device for coal rock dynamic disasters.
Background
The coal rock dynamic disaster is a result of combined action of ground stress, gas pressure and a coal rock body, is a sudden change behavior generated after a development process, and definitely has an obvious precursor, namely, the coal rock body in front of a working face is in a high stress state or the gas pressure is in a high pressure state, and then the electromagnetic radiation signal of the coal rock body is strong; or the electromagnetic radiation signal of the coal rock mass is gradually enhanced in the gradually enhanced deformation and fracture process of the coal rock mass.
When a coal and rock dynamic disaster occurs, because a certain precursor appears on the site, the auxiliary measurement equipment can be used for measuring values to determine the disaster occurrence progress, and meanwhile, after the disaster occurs, the disaster situation on the site needs to be rapidly determined, wherein the measurement equipment needs to be used for measuring various values on the site, including the stress state of the coal and rock mass, the pressure state of gas, the electromagnetic radiation signal of the coal and rock mass and other values, so as to prevent the occurrence of multiple disasters.
Most of existing auxiliary measurement equipment for coal and rock dynamic disasters do not have bases capable of assisting, so that the auxiliary measurement equipment cannot be stably arranged in a mine tunnel of a coal and rock mass, ground movement and other conditions are easily caused when the coal and rock dynamic disasters occur, certain trouble is caused to arrangement of the auxiliary measurement equipment, and in order to solve the problem that the auxiliary measurement equipment for the coal and rock dynamic disasters is unstable to be arranged on site, the invention provides an auxiliary measurement device for the coal and rock dynamic disasters to solve the existing defects
Disclosure of Invention
In view of this, the invention aims to provide an auxiliary measuring device for coal petrography dynamic disasters.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a coal petrography dynamic disaster auxiliary measuring device, includes the base plate and fixes the mounting plate who sets up on the base plate top and be used for installing measuring equipment, base plate bottom four corners is all fixed and is equipped with the heel post, it installs multiunit bottom ring to rotate on the base plate, the fixed articulated piece that is provided with of bottom ring lower extreme, articulated inboard articulated the having of piece has the regulation post, the bottom mounting that articulated piece was kept away from to the regulation post is provided with the buffering subassembly that cushions to touch to earth.
Further, the buffering subassembly includes bottom plate, buffer spring, touches the floor, runs through axle, lagging and coupling spring, the bottom plate is fixed to be set up in regulation post bottom, buffer spring is fixed to be set up in the bottom plate bottom, it is fixed to set up in the buffer spring bottom to touch the board, run through four fixed settings of axle and be contacting the board top for a set of, and run through the axle activity and run through the bottom plate, the lagging is fixed to be set up and is running through the tip that the axle passed the bottom plate, and the lagging cover is established in the regulation post outside, coupling spring is fixed to be set up between bottom plate and lagging.
Furthermore, the four buffer springs are fixedly arranged between the bottom surface of the bottom plate and the top surface of the grounding plate in a group, and the buffer springs are arranged outside the penetrating shaft in a surrounding mode.
Furthermore, four connecting springs are fixedly arranged between the bottom plate and the sleeve plate in a group, and the connecting springs are arranged on the outer side of the through shaft in a surrounding mode.
Furthermore, the upper end and the lower end of the bottom ring are fixedly provided with convex rings, the convex rings are attached to the upper bottom surface and the lower bottom surface of the substrate, the rotating axis of the bottom ring is perpendicular to the substrate, and the rotating plane of the bottom ring is parallel to the bottom surface of the substrate.
Furthermore, adjust the fixed articulated post that is provided with of post tip, and adjust the articulated post that the post passes through the tip and articulate at articulated piece inboard, the tip screw thread that articulated post passed articulated piece is provided with fastening nut, fastening nut is laminating articulated piece outer wall.
Further, adjust the post and include that base pillar and screw thread insert the post, articulated post is fixed to be set up at the base pillar tip, the screw thread is inserted the post screw thread and is inserted and establish the base pillar other end, the setting of buffering subassembly is inserted the post bottom at the screw thread.
Furthermore, a plurality of groups of mounting holes for mounting measuring equipment are formed in the top surface of the mounting plate, parallel mounting rails are fixedly arranged at the edges of the two sides of the top surface of the mounting plate, and sliding plates are arranged on the two mounting rails in a sliding manner.
The invention has the beneficial effects that: compared with the prior art, the device supports the base plate and the mounting plate through the bearing columns, the measuring equipment is installed on the mounting plate, the bottom ring arranged at the lower end of the base plate can rotate to drive the adjusting columns below the bottom ring to rotate synchronously, the buffering assemblies at the bottom ends of the adjusting columns are utilized to abut against the ground, and the whole base plate and the mounting plate can be buffered in multiple directions due to the fact that the plurality of groups of bottom rings are arranged at the lower end of the base plate, and the adjusting columns and the buffering assemblies are arranged at the lower ends of each group of bottom rings.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is an enlarged view of a portion of the present invention;
FIG. 4 is a top view of the present invention;
fig. 5 is a sectional view taken along the line a-a in fig. 4 according to the present invention.
Reference numerals: 1. a substrate; 2. placing a plate; 3. a load-bearing column; 4. a bottom ring; 5. a hinged block; 6. an adjustment column; 601. a bottom pillar; 602. inserting a column through threads; 7. a buffer assembly; 701. a base plate; 702. a buffer spring; 703. touching the floor; 704. penetrating the shaft; 705. sheathing; 706. a connecting spring; 8. a hinged column; 9. fastening a nut; 10. mounting holes; 11. arranging a track; 12. a sliding plate.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
As shown in fig. 1, 2, 3 and 5, an auxiliary measuring device for coal and rock dynamic disasters comprises a base plate 1 and a mounting plate 2 fixedly arranged at the top end of the base plate 1 for mounting measuring equipment, four corners of the bottom end of the base plate 1 are fixedly provided with bearing columns 3, a plurality of groups of bottom rings 4 are rotatably mounted on the base plate 1, the bottom rings 4 are uniformly distributed on a plate body of the base plate 1, the lower end of each bottom ring 4 is fixedly provided with a hinged block 5, the inner side of each hinged block 5 is hinged with an adjusting column 6, the bottom end of each adjusting column 6 far away from the hinged block 5 is fixedly provided with a buffer assembly 7 for ground contact buffer, when in use, the base plate 1 and the mounting plate 2 are supported through the bearing columns 3, the measuring equipment is mounted on the mounting plate 2, the bottom rings 4 arranged at the lower end of the base plate 1 can rotate to drive the adjusting columns 6 below the bottom rings 4 to synchronously rotate, the buffer assemblies 7 at the bottom ends of the adjusting columns 6 are abutted against the ground for buffering, because 1 lower extreme of base plate is provided with multiunit end ring 4, and 4 lower extremes of every group end ring all are provided with and adjust post 6 and buffer assembly 7, can carry out diversified buffering to whole base plate 1 and place plate 2 to more have the practicality.
As shown in fig. 1, 2 and 3, in some embodiments, the damping assembly 7 includes a base plate 701, a damping spring 702, a ground contacting plate 703, a penetrating shaft 704, a sleeve plate 705 and a connecting spring 706, the base plate 701 is fixedly disposed at the bottom end of the adjusting column 6, the damping spring 702 is fixedly disposed at the bottom end of the base plate 701, the ground contacting plate 703 is fixedly disposed at the bottom end of the damping spring 702, the penetrating shaft 704 is fixedly disposed at the top end of the ground contacting plate 703 in a group of four, the penetrating shaft 704 movably penetrates the base plate 701, the sleeve plate 705 is fixedly disposed at the end of the penetrating shaft 704 penetrating the base plate 701, the sleeve plate 705 is sleeved outside the adjusting column 6, the connecting spring 706 is fixedly disposed between the base plate 701 and the sleeve plate 705, preferably, when the adjusting column 6 rotates to make the damping assembly 7 contact the ground, the ground contacting plate 703 presses the damping spring 702, while the ground contacting plate 703 compresses the damping spring 702, and the penetrating shaft 704 moves upward synchronously with the ground contacting plate 703, at this time, the sleeve 705 penetrating the other end of the shaft 704 moves upward along the adjusting post 6, pulling the connecting spring 706, and buffering is performed by the combined action of the buffering spring 702 and the connecting spring 706.
As shown in fig. 1 and 3, in some embodiments, four buffer springs 702 are fixedly disposed between the bottom surface of the base plate 701 and the top surface of the ground contacting plate 703 in a group, and the buffer springs 702 are disposed around the outside of the through shaft 704, and the buffer springs 702 can prevent the buffer springs 702 from bending and deforming around the outside of the through shaft 704, and preferably, a plurality of buffer springs 702 can better buffer the ground contacting plate 703.
As shown in fig. 1 and 3, in some embodiments, four connection springs 706 are fixedly disposed between the bottom plate 701 and the sleeve plate 705 in a group, the connection springs 706 are disposed around the through shaft 704 to prevent the connection springs 706 from bending, and preferably, the groups of connection springs 706 can pull the sleeve plate 705 more stably to increase the structural stability.
In some embodiments, as shown in fig. 5, the protruding rings are fixedly disposed on the upper and lower ends of the bottom ring 4, and the protruding rings are attached to the upper and lower bottom surfaces of the substrate 1, the axis of rotation of the bottom ring 4 is perpendicular to the substrate 1, and the rotation plane of the bottom ring 4 is parallel to the bottom surface of the substrate 1, preferably, as shown in fig. 5, the protruding rings on the upper and lower ends of the bottom ring 4 are attached to the upper and lower bottom surfaces of the substrate 1, so as to limit the rotation position of the bottom ring 4 and stabilize the position of the bottom ring 4 on the substrate 1.
As shown in fig. 2, in some embodiments, the end of the adjusting column 6 is fixedly provided with a hinged column 8, the adjusting column 6 is hinged inside the hinged block 5 through the hinged column 8 at the end, the hinged column 8 is provided with a fastening nut 9 through the end thread of the hinged block 5, the fastening nut 9 is attached to the outer wall of the hinged block 5, preferably, the adjusting column 6 rotates in the hinged block 5 through the hinged column 8, the angle of the adjusting column 6 to the ground is adjusted, the fastening nut 9 can be rotated after the adjustment is completed, the fastening nut 9 is abutted against the outer wall of the hinged block 5, the position of the hinged column 8 is locked, and the position of the adjusting column 6 in the hinged block 5 is locked.
As shown in fig. 2, in some embodiments, the adjusting column 6 includes a bottom column 601 and a threaded insert column 602, the hinge column 8 is fixedly disposed at an end of the bottom column 601, the threaded insert column 602 is threadedly inserted into the other end of the bottom column 601, the buffer assembly 7 is disposed at a bottom end of the threaded insert column 602, and preferably, the threaded insert column 602 is rotated to adjust a position of the threaded insert column 602 below the bottom column 601 and adjust a length of the whole adjusting column 6.
As shown in fig. 1, in some embodiments, a plurality of sets of mounting holes 10 for mounting the measuring device are formed in the top surface of the mounting plate 2, parallel mounting rails 11 are fixedly disposed at two side edges of the top surface of the mounting plate 2, and sliding plates 12 are slidably disposed on the two mounting rails 11, preferably, the sliding plates 12 can slide on the mounting rails 11, so as to adjust the position of the sliding plates 12 on the top surface of the mounting plate 2, and meanwhile, the measuring device is mounted on the mounting plate 2 by using the mounting holes 10 and the sliding plates 12, so as to adapt to different installations.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (8)
1. The utility model provides a coal petrography dynamic disaster auxiliary measuring device, its characterized in that includes base plate (1) and fixed mounting plate (2) that set up and be used for installing measuring equipment on base plate (1) top, base plate (1) bottom four corners is all fixed and is equipped with heel post (3), it installs multiunit bottom ring (4) to rotate on base plate (1), bottom ring (4) lower extreme is fixed and is provided with articulated piece (5), articulated piece (5) inboard articulates there is regulation post (6), the bottom mounting that articulated piece (5) were kept away from in regulation post (6) is provided with the buffering subassembly (7) that cushions to touch to earth.
2. The coal petrography dynamic disaster auxiliary measuring device of claim 1, the buffer assembly (7) comprises a bottom plate (701), a buffer spring (702), a grounding plate (703), a through shaft (704), a sleeve plate (705) and a connecting spring (706), the bottom plate (701) is fixedly arranged at the bottom end of the adjusting column (6), the buffer spring (702) is fixedly arranged at the bottom end of the bottom plate (701), the touch floor (703) is fixedly arranged at the bottom end of the buffer spring (702), four penetrating shafts (704) are fixedly arranged at the top end of the touch floor (703) in a group, the penetrating shaft (704) movably penetrates through the bottom plate (701), the sleeve plate (705) is fixedly arranged at the end part of the penetrating shaft (704) penetrating through the bottom plate (701), and the sleeve plate (705) is sleeved on the outer side of the adjusting column (6), and the connecting spring (706) is fixedly arranged between the bottom plate (701) and the sleeve plate (705).
3. A coal rock dynamic disaster auxiliary measuring device as claimed in claim 2, characterized in that the four buffer springs (702) are fixedly arranged between the bottom surface of the bottom plate (701) and the top surface of the touch floor (703) in a group, and the buffer springs (702) are arranged around the outside of the through shaft (704).
4. A coal rock dynamic disaster auxiliary measuring device as claimed in claim 2, characterized in that, the four connecting springs (706) are fixedly arranged between the bottom plate (701) and the sleeve plate (705) in a group, and the connecting springs (706) are arranged around the outside of the through shaft (704).
5. The coal rock dynamic disaster auxiliary measuring device as claimed in claim 1, wherein the upper and lower ends of the bottom ring (4) are fixedly provided with convex rings, the convex rings are attached to the upper and lower bottom surfaces of the base plate (1), the axis of rotation of the bottom ring (4) is perpendicular to the base plate (1), and the rotation plane of the bottom ring (4) is parallel to the bottom surface of the base plate (1).
6. The coal rock dynamic disaster auxiliary measuring device is characterized in that the end part of the adjusting column (6) is fixedly provided with a hinged column (8), the adjusting column (6) is hinged on the inner side of the hinged block (5) through the hinged column (8) at the end part, the hinged column (8) penetrates through the end part of the hinged block (5) and is provided with a fastening nut (9), and the fastening nut (9) is attached to the outer wall of the hinged block (5).
7. The coal rock dynamic disaster auxiliary measuring device is characterized in that the adjusting column (6) comprises a bottom column (601) and a threaded insert column (602), the hinged column (8) is fixedly arranged at the end of the bottom column (601), the threaded insert column (602) is inserted at the other end of the bottom column (601) in a threaded manner, and the buffer assembly (7) is arranged at the bottom end of the threaded insert column (602).
8. The coal rock dynamic disaster auxiliary measuring device as claimed in claim 1, wherein the top surface of the mounting plate (2) is provided with a plurality of groups of mounting holes (10) for mounting measuring equipment, two parallel mounting rails (11) are fixedly arranged at two side edges of the top surface of the mounting plate (2), and sliding plates (12) are slidably arranged on the two mounting rails (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210369886.1A CN114719908B (en) | 2022-04-08 | 2022-04-08 | Auxiliary measuring device for dynamic disaster of coal rock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210369886.1A CN114719908B (en) | 2022-04-08 | 2022-04-08 | Auxiliary measuring device for dynamic disaster of coal rock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114719908A true CN114719908A (en) | 2022-07-08 |
| CN114719908B CN114719908B (en) | 2024-02-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210369886.1A Active CN114719908B (en) | 2022-04-08 | 2022-04-08 | Auxiliary measuring device for dynamic disaster of coal rock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114719908B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207320574U (en) * | 2017-08-18 | 2018-05-04 | 国网山东省电力公司庆云县供电公司 | It is a kind of to store stable electric power cabinet stent |
| KR102009695B1 (en) * | 2018-12-13 | 2019-08-12 | 김태진 | Double Earthquake Proof Mechanism Of An Outside Installing Box |
| CN110566185A (en) * | 2019-09-10 | 2019-12-13 | 华北科技学院 | Gas pressure measuring device with high safety coefficient and use method thereof |
| CN210920776U (en) * | 2019-11-14 | 2020-07-03 | 重庆育才工程咨询监理有限公司 | Detect support and use this gas detection device who detects support |
| CN214067230U (en) * | 2021-01-15 | 2021-08-27 | 西安亚能电气有限责任公司 | Fixing device for gas relay calibrator |
| CN216131690U (en) * | 2021-07-05 | 2022-03-25 | 王兴运 | Auxiliary device for coal mine measurement |
-
2022
- 2022-04-08 CN CN202210369886.1A patent/CN114719908B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207320574U (en) * | 2017-08-18 | 2018-05-04 | 国网山东省电力公司庆云县供电公司 | It is a kind of to store stable electric power cabinet stent |
| KR102009695B1 (en) * | 2018-12-13 | 2019-08-12 | 김태진 | Double Earthquake Proof Mechanism Of An Outside Installing Box |
| CN110566185A (en) * | 2019-09-10 | 2019-12-13 | 华北科技学院 | Gas pressure measuring device with high safety coefficient and use method thereof |
| CN210920776U (en) * | 2019-11-14 | 2020-07-03 | 重庆育才工程咨询监理有限公司 | Detect support and use this gas detection device who detects support |
| CN214067230U (en) * | 2021-01-15 | 2021-08-27 | 西安亚能电气有限责任公司 | Fixing device for gas relay calibrator |
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| Title |
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| 鲁俊;尹光志;高恒;李铭辉;邓博知;: "真三轴加载条件下含瓦斯煤体复合动力灾害及钻孔卸压试验研究", 煤炭学报, vol. 45, no. 05, pages 1812 - 1823 * |
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| Publication number | Publication date |
|---|---|
| CN114719908B (en) | 2024-02-06 |
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