CN112145172B - Mining drilling machine filtering and vibrating device - Google Patents
Mining drilling machine filtering and vibrating device Download PDFInfo
- Publication number
- CN112145172B CN112145172B CN202011027959.6A CN202011027959A CN112145172B CN 112145172 B CN112145172 B CN 112145172B CN 202011027959 A CN202011027959 A CN 202011027959A CN 112145172 B CN112145172 B CN 112145172B
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- fixedly connected
- damping
- installation
- transverse plate
- strain
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- 238000001914 filtration Methods 0.000 title claims abstract description 25
- 238000005065 mining Methods 0.000 title claims abstract description 25
- 238000005553 drilling Methods 0.000 title claims description 17
- 238000013016 damping Methods 0.000 claims abstract description 62
- 238000009434 installation Methods 0.000 claims abstract description 30
- 239000011324 bead Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
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- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
-
- 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
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- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/106—Squeeze-tube devices
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides a mining drill vibration filtering device, wherein the left side and the right side of a first transverse plate are fixedly connected with first supporting rods, the middle position of the upper surface of the first transverse plate is fixedly connected with an installation column, the outer sides of the lower ends of the first supporting rods are respectively sleeved with a second supporting rod, the lower surfaces of the first supporting rods are respectively fixedly connected with a supporting spring, and the front surfaces of the installation columns are connected with installation blocks in a sliding mode. When the rig downshifts and drills, drive first bracing piece and compress connecting spring downwards, then drive first diaphragm and move downwards, drive the parting bead internalization of push rod at straining and shake the damping tube, promote damping oil and make a round trip to flow inside and outside straining and shake the parting bead of damping tube, slow down connecting spring's recovery rate, through rotatory installation carousel, adjust the motion position of damping plate, then adjust the flow volume of damping oil, a plurality of connection chain dish and the same cup jointing of chain that strain the shake equipment through the bottom link to each other, play the effect of straining the shake in step.
Description
Technical Field
The invention relates to the technical field of drilling machine vibration filtering, in particular to a mining drilling machine vibration filtering device.
Background
Mining machinery is the used mechanical equipment of the useful mineral of direct mining and mining preparation work, mainly is all kinds of drilling machinery, and the mining groove is mined out through the drilling machinery, expanding processing is being carried out, and mining rig need install the vibrations of straining when shake device buffering mining when adding man-hour, keeps the accuracy of exploitation, but current mining rig strain shake device still has some weak points, for example current mining rig strain shake device performance general, the strain shake device that current mining rig strained shake device can not adjust according to the difference of mining hole and strain the shake effect moreover.
Disclosure of Invention
In order to solve the technical problems, the invention provides a mining drill vibration filtering device, which is achieved by the following specific technical means:
a mining drilling machine seismic filtering device comprises a first transverse plate, wherein the left side and the right side of the first transverse plate are fixedly connected with first supporting rods, the middle position of the upper surface of the first transverse plate is fixedly connected with an installation column, the outer side of the lower end of each first supporting rod is sleeved with a second supporting rod, the lower surface of each first supporting rod is fixedly connected with a supporting spring, the front surface of the installation column is slidably connected with an installation block, the front surface of the installation block is provided with a drilling machine, the inner side surface of each second supporting rod is fixedly connected with a second transverse plate, the upper surface of each second transverse plate is provided with a connecting chain disc, the upper surface of each connecting chain disc is fixedly connected with a seismic filtering damping pipe, the outer side surface of each connecting chain disc is provided with a chain, the inner part of each seismic filtering damping pipe is fixedly connected with an isolation strip, the outer side of each seismic filtering damping pipe is sleeved with a connecting spring, and the lower surface of each seismic filtering damping pipe is provided with an installation rotary disc, and the lower extreme fixedly connected with of straining and shake damping pipe outside surface connects the straight flute, strain the inside packing of shake damping pipe and have damping oil, and strain the inside intermediate position department of shake damping pipe and be provided with the push rod, the outside fixed surface of installation carousel is connected with and connects the chute, and the upper surface swing joint of installation carousel has the damping plate, the outside of damping plate all is provided with the connection lug.
Preferably, the upper end of the push rod is fixedly connected with the lower surface of the first transverse plate, and the lower end of the push rod is located at the inner side of the isolating strip.
Preferably, the connecting convex blocks are members made of aluminum alloy materials, and the connecting convex blocks are clamped inside the connecting straight grooves and the connecting inclined grooves.
Preferably, the lower end of the push rod is fixedly connected with a sealing plug, the sealing plug is a rubber component, the left side and the right side of the sealing plug are attached to the isolating strips, the damping oil has certain viscosity and tension, and the recovery speed of the connecting spring is reduced in the process of recovering the shape after the connecting spring deforms.
As optimization, connecting spring is stainless steel's component, and connecting spring's upper end and first diaphragm fixed connection, connecting spring's lower extreme and second diaphragm fixed connection, rotatory installation carousel is through the joint of connecting the lug and the spacing of connecting chute, connecting the straight flute, adjusts the damping oil flow volume between installation carousel aperture.
Preferably, the first support rod is slidably connected inside the second support rod, and the lower end of the support spring is connected with the bottom end of the inside of the second support rod.
The invention has the following beneficial effects:
1. this mining drilling machine strains and shakes device, when the rig moves down and drills, drive first bracing piece compress connecting spring downwards, drive first diaphragm rebound then, drive the push rod and strain the spacing strip internalization of shake damping pipe, promote damping oil and make a round trip to flow inside and outside straining the spacing strip of shake damping pipe, damping oil has certain viscidity and tension, takes place to resume the in-process of shape after connecting spring takes place to deform, slows down connecting spring's recovery speed.
2. This mining drilling machine strains shake device, through rotatory installation carousel, joint and connection chute through connecting the lug, connect the spacing of straight flute, the damping plate moves on the upper surface radius route of connecting the chain dish, adjust the damping oil flow between installation carousel aperture, if the damping plate gathers together the motion to installation carousel centre of a circle direction, then the unit damping oil flow volume will reduce, the damping increase, the deformation recovery speed of coupling spring will reduce, coupling spring tends towards the rigidity, keep away from centre of a circle direction diffusion motion when the damping plate to the installation carousel, then the unit damping oil flow volume will increase, coupling spring's deformation recovery speed will increase, a plurality of connection chain dish and the same the cup jointing of chain that strain the shake equipment through the bottom link to each other, play the effect of synchronous strain shake.
Drawings
FIG. 1 is a cross-sectional view of a shock absorbing damper tube according to the present invention;
FIG. 2 is a sectional view showing the internal structure of the present invention;
FIG. 3 is a cross-sectional view of the connecting link plate of the present invention;
FIG. 4 is a cross-sectional view of the mounting turntable of the present invention;
fig. 5 is an enlarged view of a in fig. 1.
In the figure: 1. mounting a column; 2. mounting blocks; 3. a drilling machine; 4. a first transverse plate; 5. a first support bar; 6. a second support bar; 7. a connecting spring; 8. a second transverse plate; 9. a support spring; 10. a spacer bar; 11. a shock filtering damping tube; 12. damping oil; 13. connecting the straight grooves; 14. a chain; 15. connecting a chain disc; 16. a push rod; 17. a damping plate; 18. a connection bump; 19. installing a turntable; 20. is connected with the chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a mining drilling machine vibration filtering device comprises a first transverse plate 4, wherein the left side and the right side of the first transverse plate 4 are fixedly connected with a first supporting rod 5, the middle position of the upper surface of the first transverse plate 4 is fixedly connected with a mounting column 1, the outer side of the lower end of the first supporting rod 5 is sleeved with a second supporting rod 6, the lower surface of the first supporting rod 5 is fixedly connected with a supporting spring 9, the first supporting rod 5 is slidably connected inside the second supporting rod 6, the lower end of the supporting spring 9 is connected with the bottom end of the inner part of the second supporting rod 6, the front surface of the mounting column 1 is slidably connected with a mounting block 2, the front surface of the mounting block 2 is provided with a drilling machine 3, the inner side surface of the second supporting rod 6 is fixedly connected with a second transverse plate 8, the upper surface of the second transverse plate 8 is provided with a connecting chain disc 15, the upper surface of the connecting chain disc 15 is fixedly connected with a vibration filtering damping tube 11, the outer side surface of the connecting chain disc 15 is provided with a chain 14, the interior of the earthquake filtering damping tube 11 is fixedly connected with an isolating strip 10, the outer side of the earthquake filtering damping tube 11 is sleeved with a connecting spring 7, the connecting spring 7 is a component made of stainless steel, the upper end of the connecting spring 7 is fixedly connected with a first transverse plate 4, the lower end of the connecting spring 7 is fixedly connected with a second transverse plate 8, the lower surface of the earthquake filtering damping tube 11 is provided with a mounting rotary disc 19, the lower end of the outer side surface of the earthquake filtering damping tube 11 is fixedly connected with a connecting straight groove 13, the interior of the earthquake filtering damping tube 11 is filled with damping oil 12, the middle position of the interior of the earthquake filtering damping tube 11 is provided with a push rod 16, the lower end of the push rod 16 is fixedly connected with a sealing plug, the component made of rubber is attached to the isolating strip 10 on the left side and the right side, and the upper end of the push rod sealing plug 16 is fixedly connected with the lower surface of the first transverse plate 4, and the lower extreme of push rod 16 is located the inboard position department of parting bead 10, and the outside fixed surface of installation carousel 19 is connected with and connects chute 20, and the upper surface swing joint of installation carousel 19 has damping plate 17, and the outside of damping plate 17 all is provided with connecting lug 18, and connecting lug 18 is the component of aluminum alloy material, and connecting lug 18 joint is in the inside of connecting straight flute 13 and connecting chute 20.
When the drilling machine is used, when the drilling machine 3 moves downwards for drilling, the first supporting rod 5 is driven to compress the connecting spring 7 downwards, the first transverse plate 4 is driven to move downwards, the push rod 16 is driven to move in the isolating strip 10 of the filtering and vibrating damping pipe 11, the damping oil 12 is pushed to flow back and forth inside and outside the isolating strip 10 of the filtering and vibrating damping pipe 11, the damping oil 12 has certain viscosity and tension, and the recovery speed of the connecting spring 7 is reduced in the process of recovering the shape after the connecting spring 7 deforms.
Through rotatory installation carousel 19, joint and connection chute 20 through connecting lug 18, connect the spacing of straight flute 13, damping plate 17 moves on the upper surface radius route of connecting chain dish 15, adjust the damping oil 12 flow volume between installation carousel 19 aperture, if damping plate 17 gathers together the motion to installation carousel 19 centre of a circle direction, the unit damping oil 12 flow volume will reduce, the damping increases, the deformation recovery speed of coupling spring 7 will reduce, coupling spring 7 tends to the rigidity, keep away from centre of a circle direction diffusion motion to installation carousel 19 when damping plate 17, the unit damping oil 12 flow volume will increase, the deformation recovery speed of coupling spring 7 will increase, a plurality of vibrations filtering equipment link to each other through the same cover of connecting chain dish 15 and chain 14 of bottom, play the effect of synchronous vibration filtering.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a mining rig shakes device, includes first diaphragm (4), its characterized in that: the left side and the right side of the first transverse plate (4) are fixedly connected with first supporting rods (5), the middle position of the upper surface of the first transverse plate (4) is fixedly connected with an installation column (1), the outer side of the lower end of the first supporting rod (5) is sleeved with a second supporting rod (6), the lower surface of the first supporting rod (5) is fixedly connected with a supporting spring (9), the front surface of the installation column (1) is slidably connected with an installation block (2), the front surface of the installation block (2) is provided with a drilling machine (3), the inner side surface of the second supporting rod (6) is fixedly connected with a second transverse plate (8), the upper surface of the second transverse plate (8) is provided with a connecting chain disc (15), the upper surface of the connecting chain disc (15) is fixedly connected with a filtering and vibrating damping pipe (11), and the outer side surface of the connecting chain disc (15) is provided with a chain (14), strain inside fixedly connected with parting bead (10) of shaking damping tube (11), and strain the outside of shaking damping tube (11) and cup jointed coupling spring (7), strain the lower surface mounting of shaking damping tube (11) and have installation carousel (19), and strain the lower extreme fixedly connected with of shaking damping tube (11) outside surface and connect straight flute (13), strain the inside packing of shaking damping tube (11) and have damping oil (12), and strain the inside intermediate position department of shaking damping tube (11) and be provided with push rod (16), the outside fixed surface of installation carousel (19) is connected with and connects chute (20), and the last surface swing joint of installation carousel (19) has damping plate (17), the outside of damping plate (17) all is provided with connection lug (18).
2. The mining drill shock filter of claim 1, wherein: the upper end of the push rod (16) is fixedly connected with the lower surface of the first transverse plate (4), and the lower end of the push rod (16) is located at the inner side position of the isolating strip (10).
3. The mining drill shock filter of claim 1, wherein: the connecting lug (18) is a component made of an aluminum alloy material, and the connecting lug (18) is clamped in the connecting straight groove (13) and the connecting inclined groove (20).
4. The mining drill shock filter of claim 1, wherein: the lower end of the push rod (16) is fixedly connected with a sealing plug, the sealing plug is a component made of rubber, and the left side and the right side of the sealing plug are attached to the isolating strips (10).
5. The mining drill shock filter of claim 1, wherein: connecting spring (7) are stainless steel's component, and the upper end and first diaphragm (4) fixed connection of connecting spring (7), the lower extreme and second diaphragm (8) fixed connection of connecting spring (7).
6. The mining drill shock filter of claim 1, wherein: first bracing piece (5) sliding connection is in the inside of second bracing piece (6), the lower extreme of supporting spring (9) is connected with the inside bottom of second bracing piece (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011027959.6A CN112145172B (en) | 2020-09-26 | 2020-09-26 | Mining drilling machine filtering and vibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011027959.6A CN112145172B (en) | 2020-09-26 | 2020-09-26 | Mining drilling machine filtering and vibrating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112145172A CN112145172A (en) | 2020-12-29 |
| CN112145172B true CN112145172B (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011027959.6A Active CN112145172B (en) | 2020-09-26 | 2020-09-26 | Mining drilling machine filtering and vibrating device |
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| CN (1) | CN112145172B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10317787A (en) * | 1997-05-23 | 1998-12-02 | Kenwood Corp | Reclining mechanism which uses spring of spring |
| JP4357764B2 (en) * | 2001-04-16 | 2009-11-04 | 株式会社ニフコ | Rotary actuator for hinge |
| CN102537184A (en) * | 2012-01-18 | 2012-07-04 | 江南大学 | Shock absorber capable with dynamically adjustable damping |
| CN202707895U (en) * | 2012-02-20 | 2013-01-30 | 东南大学 | Rotating and shaft-driving fluid damper |
| CN108086919A (en) * | 2017-12-25 | 2018-05-29 | 郑州格瑞塔电子信息技术有限公司 | One kind is adjustable to adopt mining-drilling machine |
| CN209340405U (en) * | 2018-12-26 | 2019-09-03 | 河南豫中地质勘察工程公司 | A kind of oil-well rig vibration isolator |
| CN110645300A (en) * | 2019-09-30 | 2020-01-03 | 江苏军宏机械有限公司 | Shock-absorbing oil cylinder for rotary drilling rig |
| CN210888803U (en) * | 2019-11-30 | 2020-06-30 | 郑艳栋 | Mining is with rig that has shock-absorbing function |
-
2020
- 2020-09-26 CN CN202011027959.6A patent/CN112145172B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10317787A (en) * | 1997-05-23 | 1998-12-02 | Kenwood Corp | Reclining mechanism which uses spring of spring |
| JP4357764B2 (en) * | 2001-04-16 | 2009-11-04 | 株式会社ニフコ | Rotary actuator for hinge |
| CN102537184A (en) * | 2012-01-18 | 2012-07-04 | 江南大学 | Shock absorber capable with dynamically adjustable damping |
| CN202707895U (en) * | 2012-02-20 | 2013-01-30 | 东南大学 | Rotating and shaft-driving fluid damper |
| CN108086919A (en) * | 2017-12-25 | 2018-05-29 | 郑州格瑞塔电子信息技术有限公司 | One kind is adjustable to adopt mining-drilling machine |
| CN209340405U (en) * | 2018-12-26 | 2019-09-03 | 河南豫中地质勘察工程公司 | A kind of oil-well rig vibration isolator |
| CN110645300A (en) * | 2019-09-30 | 2020-01-03 | 江苏军宏机械有限公司 | Shock-absorbing oil cylinder for rotary drilling rig |
| CN210888803U (en) * | 2019-11-30 | 2020-06-30 | 郑艳栋 | Mining is with rig that has shock-absorbing function |
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| Publication number | Publication date |
|---|---|
| CN112145172A (en) | 2020-12-29 |
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Effective date of registration: 20210818 Address after: 277600 Han Zhuang Zhen Chi Shan Cun, Weishan County, Jining City, Shandong Province Applicant after: SHANDONG WEISHANHU RARE EARTH Co.,Ltd. Address before: No.108, Tongjiang Middle Road, Xinbei District, Changzhou City, Jiangsu Province 213022 Applicant before: Ni Guoming |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A mining drilling rig vibration filtering device Granted publication date: 20210910 Pledgee: Industrial and Commercial Bank of China Limited Weishan sub branch Pledgor: SHANDONG WEISHANHU RARE EARTH Co.,Ltd. Registration number: Y2024980019844 |