CN213116350U - A buffer equipment for hydraulic support rock burst resistance - Google Patents
A buffer equipment for hydraulic support rock burst resistance Download PDFInfo
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- CN213116350U CN213116350U CN202021587623.0U CN202021587623U CN213116350U CN 213116350 U CN213116350 U CN 213116350U CN 202021587623 U CN202021587623 U CN 202021587623U CN 213116350 U CN213116350 U CN 213116350U
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Abstract
The utility model discloses a buffer device for hydraulic support rock burst resistance, concretely relates to mine support field, including the hydraulic support mobile jib, the top demountable installation of hydraulic support mobile jib has the hydraulic support ejector pin, the bottom movable sleeve of hydraulic support mobile jib is equipped with the gag lever post, the outside fixed mounting that the gag lever post extends to the hydraulic support mobile jib has the top piston, the bottom movable sleeve of top piston is equipped with the shell, the bottom fixed mounting of shell has the base shell. The utility model discloses a control pneumatic cylinder for two pressure sensor's of adjustment position, until pressure sensor and the mutual contact in ore deposit hole top, then the numerical value of record pressure sensor transmission to display panel on, accomplish the installation this moment, when meeting the ore deposit and press the change, pressure sensor top pressure change this moment shows that numerical value changes on the display panel, according to data change degree, thereby accomplishes and unloads the power, has made things convenient for this device to carry out the pressure release pressure in advance then.
Description
Technical Field
The utility model relates to a mine support technical field, more specifically says, the utility model relates to a buffer device that is used for hydraulic support to resist shock earth pressure.
Background
With the increase of the mining depth and the mining intensity of coal resources, dynamic disasters such as mine rock burst and the like are increasingly aggravated, and the safety of coal mining is seriously threatened. Rock mass around a roadway or a working face is subjected to sudden and severe damage due to instantaneous release of elastic deformation energy, and the phenomena of coal rock mass throwing, loud sound, air waves and the like are often accompanied.
At present, a large-flow safety valve is additionally arranged in a stand column to solve the impact problem, the support and the stand column structure are prevented from being damaged by rock burst by means of unloading after the large-flow safety valve exceeds a set pressure, and the support cannot be actively adjusted and responded according to the rock burst incoming pressure intensity and strength.
It is therefore desirable to provide a cushioning apparatus for a hydraulic mount that resists rock-pressure.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a buffer equipment for hydraulic support presses against shock, through the control pneumatic cylinder, make two pressure sensor's of adjustment position, until pressure sensor and the mutual contact of ore hole top, then record pressure sensor transmits the numerical value to on the display panel, the installation is accomplished this moment, when meeting the ore deposit and pressing the change, pressure sensor top pressure change this moment, show numerical value change on the display panel, according to data change degree, this hydraulic support of controller control carries out the pressure release, pressure conduction to top piston, give the pressure release spring through top piston dispersion, thereby accomplish the power of unloading, then made things convenient for this device to carry out pressure release precognition pressure, in order to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a buffering equipment for hydraulic support rock burst resistance, includes the hydraulic support mobile jib, the top demountable installation of hydraulic support mobile jib has the hydraulic support ejector pin, the bottom movable sleeve of hydraulic support mobile jib is equipped with the gag lever post, the external fixed mounting that the gag lever post extends to the hydraulic support mobile jib has the top piston, the bottom movable sleeve of top piston is equipped with the shell, the bottom fixed mounting of shell has a base shell, the outside winding of gag lever post has the data line, the bottom of top piston extends to the inside of shell and fixed mounting has the pressure release spring, the external fixed mounting of hydraulic support mobile jib has the controller shell, the positive fixed mounting of controller shell has display panel, the left and right sides of controller shell is fixed mounting respectively has the fixed plate, the top fixed mounting of fixed plate has the hydraulic stem, the pneumatic cylinder is installed at the top of hydraulic stem, the top fixed mounting of pneumatic cylinder has pressure sensor, pressure sensor's input and output electric connection have the controller, pressure sensor's output and display panel's input electric connection.
In a preferred embodiment, the top of the main rod of the hydraulic support is movably sleeved with a connecting frame, and the top of the connecting frame is clamped with the bottom of the top rod of the hydraulic support.
In a preferred embodiment, a bottom limiting plate is fixedly mounted at the bottom of the pressure relief spring, and the bottom surface of the bottom limiting plate is attached to the inner wall of the base shell.
In a preferred embodiment, the end of the fixing plate is fixedly sleeved with a stabilizing block, and the side surface of the stabilizing block is fixedly connected with the side surface of the controller shell.
In a preferred embodiment, the outside of the hydraulic rod is movably sleeved with a balance spring, and the upper end and the lower end of the balance spring are fixedly connected with the top surface of the hydraulic cylinder and the top surface of the fixing plate respectively.
In a preferred embodiment, the bottom of the hydraulic rod is fixedly sleeved with a fastening sleeve block, and the bottom surface of the fastening sleeve block is fixedly connected with the top surface of the fixing plate.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a control pneumatic cylinder for two pressure sensor's of adjustment position, until pressure sensor and the mutual contact in ore deposit hole top, then record pressure sensor and transmit the numerical value on the display panel, accomplish the installation this moment, when meeting the ore deposit and press the change, pressure sensor top pressure change this moment, the last numerical value that shows of display panel changes, according to the data change degree, this hydraulic support of controller control carries out the pressure release, pressure conduction is to the top piston, give the pressure release spring through the top piston dispersion, thereby accomplish and unload the power, then made things convenient for this device to carry out the pressure release pressure in advance.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the bottom structure schematic diagram of the hydraulic support of the present invention.
Fig. 3 is a system block diagram of the present invention.
Fig. 4 is a circuit diagram of the controller of the present invention.
The reference signs are: 1. a main rod of the hydraulic support; 2. a hydraulic support ejector rod; 3. a connecting frame; 4. a limiting rod; 5. a data line; 6. a top piston; 7. a housing; 8. a pressure relief spring; 9. a bottom limiting plate; 10. a base housing; 11. a controller housing; 12. a display panel; 13. a fixing plate; 14. a hydraulic lever; 15. a balance spring; 16. a hydraulic cylinder; 17. a pressure sensor; 18. and a controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The buffering device for the hydraulic support to resist impact ground pressure comprises a hydraulic support main rod 1, a hydraulic support ejector rod 2 is detachably mounted at the top of the hydraulic support main rod 1, a limiting rod 4 is movably sleeved at the bottom of the hydraulic support main rod 1, a top piston 6 is fixedly mounted at the outer part of the hydraulic support main rod 1, a shell 7 is movably sleeved at the bottom of the top piston 6, a base shell 10 is fixedly mounted at the bottom of the shell 7, a data line 5 is wound at the outer part of the limiting rod 4, a pressure relief spring 8 is fixedly mounted at the bottom of the top piston 6, a controller shell 11 is fixedly mounted at the outer part of the hydraulic support main rod 1, a display panel 12 is fixedly mounted at the front of the controller shell 11, and fixing plates 13 are fixedly mounted at the left side and the right side of the controller shell 11 respectively, the top fixed mounting of fixed plate 13 has hydraulic stem 14, pneumatic cylinder 16 is installed at the top of hydraulic stem 14, the top fixed mounting of pneumatic cylinder 16 has pressure sensor 17, pressure sensor 17's input and output electric connection have controller 18, pressure sensor 17's output and display panel 12's input electric connection.
The top movable sleeve of hydraulic support mobile jib 1 is equipped with link 3, the top of link 3 and the mutual joint in bottom of hydraulic support ejector pin 2, the bottom fixed mounting of pressure release spring 8 has bottom limiting plate 9, the bottom surface of bottom limiting plate 9 and the inner wall of base shell 10 laminate each other, the end fixing cover of fixed plate 13 is equipped with the stable nested piece, and the side of stabilizing the nested piece and the side fixed connection of controller shell 11, the outside movable sleeve of hydraulic stem 14 is equipped with balance spring 15, balance spring 15's upper and lower both ends respectively with the top surface of pneumatic cylinder 16 and the top surface fixed connection of fixed plate 13, the fixed cover in bottom of hydraulic stem 14 is equipped with the fastening nested piece, and the bottom surface of fastening nested piece and the top surface fixed connection of fixed plate 13.
The implementation mode is specifically as follows: through control hydraulic cylinder 16, make two pressure sensor 17's of adjustment position, until pressure sensor 17 and the mutual contact in ore deposit hole top, then record pressure sensor 17 and transmit the numerical value on display panel 12, accomplish the installation this moment, when meeting the ore deposit and pressing the change, pressure sensor 17 top pressure change this moment, display value changes on display panel 12, according to data change degree, this hydraulic support of controller 18 control carries out the pressure release, pressure conduction is to top piston 6, give pressure release spring 8 through top piston 6 dispersion, thereby accomplish and unload the power, then made things convenient for this device to carry out the pressure release and know pressure in advance.
The utility model discloses the theory of operation:
firstly, the device is installed at a preset position, the position of a pressure sensor 17 is not in contact with the top of a mine hole at the moment, then a controller 18 is started, the positions of two pressure sensors 17 are adjusted by controlling a hydraulic cylinder 16 until the pressure sensors 17 are in contact with the top of the mine hole, then the numerical value transmitted to a display panel 12 by the pressure sensors 17 is recorded, the installation is completed at the moment, when the mine pressure changes, the pressure at the top of the pressure sensors 17 changes, the numerical value change is displayed on the display panel 12, the controller 18 controls the hydraulic support to release pressure according to the data change degree, the pressure is transmitted to a top piston 6 and is dispersed to a pressure release spring 8 through the top piston 6, and therefore the force release is completed;
the hydraulic support has a pressure relief function and belongs to the known technology, the main process is that the mining hydraulic support generally adopts the mode that a large-flow safety valve is additionally arranged in a stand column to solve the impact problem, the support and the stand column structure are prevented from being damaged by rock burst by means of unloading after the large-flow safety valve exceeds a set pressure, and the controller 18 has a switching function.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a buffer equipment for hydraulic support rock burst resistance, includes hydraulic support mobile jib (1), its characterized in that: the hydraulic support is characterized in that a hydraulic support ejector rod (2) is detachably mounted at the top of the hydraulic support main rod (1), a limiting rod (4) is movably sleeved at the bottom of the hydraulic support main rod (1), a top piston (6) is fixedly mounted at the outer part of the hydraulic support main rod (1) in the limiting rod (4), a shell (7) is movably sleeved at the bottom of the top piston (6), a base shell (10) is fixedly mounted at the bottom of the shell (7), a data line (5) is wound on the outer part of the limiting rod (4), the bottom of the top piston (6) is extended to the inner part of the shell (7) and is fixedly mounted with a pressure relief spring (8), a controller shell (11) is fixedly mounted at the outer part of the hydraulic support main rod (1), a display panel (12) is fixedly mounted at the front part of the controller shell (11), and a fixing plate (13) is fixedly mounted at the left side and the, the top fixed mounting of fixed plate (13) has hydraulic stem (14), pneumatic cylinder (16) are installed at the top of hydraulic stem (14), the top fixed mounting of pneumatic cylinder (16) has pressure sensor (17), the input and the output electric connection of pressure sensor (17) have controller (18), the output of pressure sensor (17) and the input electric connection of display panel (12).
2. A damping apparatus for a hydraulic mount resistant to rock pressure according to claim 1, wherein: the top movable sleeve of hydraulic support mobile jib (1) is equipped with link (3), the top of link (3) and the mutual joint of bottom of hydraulic support ejector pin (2).
3. A damping apparatus for a hydraulic mount resistant to rock pressure according to claim 1, wherein: the bottom fixed mounting of pressure release spring (8) has bottom limiting plate (9), the bottom surface of bottom limiting plate (9) and the inner wall of base shell (10) laminate each other.
4. A damping apparatus for a hydraulic mount resistant to rock pressure according to claim 1, wherein: the end part of the fixing plate (13) is fixedly sleeved with a stabilizing sleeve block, and the side surface of the stabilizing sleeve block is fixedly connected with the side surface of the controller shell (11).
5. A damping apparatus for a hydraulic mount resistant to rock pressure according to claim 1, wherein: the hydraulic rod (14) is movably sleeved with a balance spring (15), and the upper end and the lower end of the balance spring (15) are fixedly connected with the top surface of the hydraulic cylinder (16) and the top surface of the fixing plate (13) respectively.
6. A damping apparatus for a hydraulic mount resistant to rock pressure according to claim 1, wherein: the bottom of the hydraulic rod (14) is fixedly sleeved with a fastening sleeve block, and the bottom surface of the fastening sleeve block is fixedly connected with the top surface of the fixing plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021587623.0U CN213116350U (en) | 2020-08-04 | 2020-08-04 | A buffer equipment for hydraulic support rock burst resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021587623.0U CN213116350U (en) | 2020-08-04 | 2020-08-04 | A buffer equipment for hydraulic support rock burst resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213116350U true CN213116350U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021587623.0U Active CN213116350U (en) | 2020-08-04 | 2020-08-04 | A buffer equipment for hydraulic support rock burst resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213116350U (en) |
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2020
- 2020-08-04 CN CN202021587623.0U patent/CN213116350U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230327 Address after: 116000 floor 1, No. 40-3, yanjiatun, Zhanqian street, Jinzhou District, Dalian City, Liaoning Province Patentee after: Kodola hydraulic (Dalian) Co.,Ltd. Address before: Room 304, unit 4, building 101, didili community, Fushun street, Daoli District, Harbin City, Heilongjiang Province Patentee before: Jing Ying |
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| TR01 | Transfer of patent right |