CN111734300A - Hydraulic drive reverse circulation drilling machine power head - Google Patents
Hydraulic drive reverse circulation drilling machine power head Download PDFInfo
- Publication number
- CN111734300A CN111734300A CN202010057585.6A CN202010057585A CN111734300A CN 111734300 A CN111734300 A CN 111734300A CN 202010057585 A CN202010057585 A CN 202010057585A CN 111734300 A CN111734300 A CN 111734300A
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- bearing
- sealing plug
- sealing
- groove
- head
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- 238000005553 drilling Methods 0.000 title description 10
- 238000007789 sealing Methods 0.000 claims abstract description 139
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000000670 limiting effect Effects 0.000 claims abstract description 12
- 230000007797 corrosion Effects 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 abstract description 26
- 239000010687 lubricating oil Substances 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- 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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a hydraulic drive reverse circulation drill power head, belonging to the technical field of engineering mechanical equipment, wherein a connecting groove is arranged in a shell, a mandrel is in contact connection in the connecting groove, a left bearing and a right bearing are fixedly sleeved on the surface of the mandrel, a left oil filling hole and a right oil filling hole are respectively arranged on the surfaces of the left bearing and the right bearing, an oil seal and a pressure bearing sheet are in contact connection on the right side of the left bearing, a connecting shaft is clamped at the left end of the mandrel, a clamping block and a limiting plate are fixedly connected at the left end of the connecting shaft, a left sealing plug and a right sealing plug which are arranged have the function of automatic sealing, a user can conveniently and rapidly add lubricating oil to the left bearing and the right bearing without complex disassembly, the service lives of the left bearing and the right bearing are further prolonged, the connecting shaft is stable in transmission, the mandrel is convenient to, the maintenance efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of engineering mechanical equipment, in particular to a power head of a hydraulically-driven reverse circulation drilling machine.
Background
The power head is used for driving the drilling tool to rotate, transmitting the torque to the drill bit and simultaneously transmitting the acting force of the drilling machine drilling lifting system for pressurizing and lifting the drilling tool so as to achieve the aim of drilling.
At present, the bearing that a hydraulic drive reverse circulation rig unit head set up of current needs to consume more time and remove the interpolation lubricating oil after long-time the use, in order to ensure the lubricity of bearing, but need dismantle rig unit head casing, it is comparatively time-consuming and energy-consuming, often be difficult to timely add lubricating oil to the bearing, lead to the bearing not enough to cause the damage, the life of bearing has been shortened, and the mandrel that current rig unit head set up is comparatively loaded down with trivial details when wearing and tearing are changed wastes time, great reduction the later stage maintenance efficiency of rig unit head.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a hydraulic drive reverse circulation drill power head, wherein a left sealing plug and a right sealing plug arranged in the hydraulic drive reverse circulation drill power head have the function of automatic sealing, a user can conveniently and rapidly add lubricating oil to a left bearing and a right bearing without complex disassembly, the service lives of the left bearing and the right bearing are further prolonged, a connecting shaft arranged in the hydraulic drive reverse circulation drill power head is stable in transmission, a mandrel is convenient to disassemble and replace, the later maintenance of the drill power head is facilitated, and the maintenance efficiency is greatly improved.
In order to solve the above problems, the present invention adopts the following technical solutions.
A hydraulic drive reverse circulation drilling machine power head comprises a shell, wherein a connecting groove is formed in the shell, a mandrel is in contact connection in the connecting groove, a left bearing and a right bearing are sleeved on the surface of the mandrel in a fixed mode, a left oil filling hole and a right oil filling hole are respectively formed in the surfaces of the left bearing and the right bearing, an oil seal and a bearing plate are connected on the right side of the left bearing in a contact mode, a connecting shaft is connected to the left end of the mandrel in a clamping mode, a clamping block and a limiting plate are fixedly connected to the left end of the connecting shaft, the clamping block and the limiting plate are square in shape, a transmission shaft is connected to the left end of the clamping block in a clamping mode, a fixing groove is formed in the right side of the transmission shaft, a motor is fixedly connected to the left end of the transmission shaft, a mounting plate, the left sealing plug and the right sealing plug that it set up not only have self-sealing's function, and convenient to use person is quick in addition need not to carry out complicated dismantlement to left bearing and right bearing interpolation lubricating oil, and then has prolonged the life of left bearing and right bearing, and the connecting axle that sets up not only transmission is stable, and the dismantlement of the mandrel of being convenient for moreover is changed, the later stage maintenance of the rig unit head of being convenient for, great improvement maintenance efficiency.
Further, the inner wall of spread groove is opened there is the connecting hole, the left end intercommunication of connecting hole has the dead slot of keeping away, the right-hand member intercommunication of connecting hole has the countersunk groove, countersunk groove in-groove contact is connected with left sealing plug, and the countersunk groove of setting can avoid the surface of left sealing plug protrusion casing, prevents that the object from scraping and touch left sealing plug, has improved the sealing stability of left sealing plug.
Further, the left side fixedly connected with sealing rod of left side sealing plug, the shape of sealing rod is cylindrical, the material of sealing rod is corrosion-resistant elastic rubber, the surface contact of sealing rod is connected with the connecting hole, when the sealing rod receives the extrusion of connecting hole, has the effect of compression elasticity, and elasticity makes the sealing rod have sealed and automatic positioning's function.
Further, the left end fixedly connected with anticreep head of sealing rod, the right side contact of anticreep head is connected with keeps away the dead slot, the shape of anticreep head is conical, the material of anticreep head is corrosion-resistant elastic rubber, and the anticreep head of setting can avoid the sealing rod to break away from the connecting hole right, has the spacing function of anticreep, has improved the sealing stability of sealing rod.
Further, the surface sealing connection of casing has right sealing plug, the structure of right sealing plug is constituteed the same with the structure of left sealing plug, the sealing method of right sealing plug is the same with left sealing plug sealing method, and the right sealing plug convenient to use person who sets up is quick carries out additional lubricating oil to right bearing, and then has prolonged the life of right bearing.
Further, the fixed surface of left side sealing plug has cup jointed the stopper, the external diameter of stopper is greater than the internal diameter of connecting hole, the left side contact of stopper is connected with the countersunk groove, and the stopper that sets up is used for restricting the sealing position of left sealing plug, but also can seal the right-hand member opening of connecting hole, has sealed dirt-proof effect.
Furthermore, the surface of left side sealing plug is equipped with anti-skidding line, the right-hand member fixedly connected with anticreep piece of left side sealing plug, the external diameter of anticreep piece is greater than the external diameter of left sealing plug, and the anticreep piece person of facilitating the use who sets up finger grasps left sealing plug, has the effect of anticreep antiskid.
Further, the right side contact of pressure-bearing piece is connected with the spread groove, open the left side of pressure-bearing piece has the groove of accomodating, the diameter in the groove of accomodating that the pressure-bearing piece set up is greater than the diameter of oil blanket, and the pressure-bearing piece of setting can avoid the oil blanket to receive excessive extrusion and produce the damage, has prolonged the life of oil blanket.
Compared with the prior art, the invention has the advantages that:
(1) the left sealing plug and the right sealing plug that this scheme set up not only have self-sealing's function, and convenient to use person is quick in addition to left bearing and right bearing add lubricating oil, need not to carry out complicated dismantlement, and then has prolonged the life of left bearing and right bearing, and the connecting axle that sets up not only the transmission is stable, and the dismantlement of the mandrel of being convenient for moreover is changed, the later stage maintenance of the rig unit head of being convenient for, great improvement maintenance efficiency.
(2) The inner wall of spread groove is opened there is the connecting hole, and the left end intercommunication of connecting hole has the dead slot of keeping away, and the right-hand member intercommunication of connecting hole has the countersunk head groove, and countersunk head inslot contact is connected with left sealing plug, and the countersunk head groove of setting can avoid the surface of left sealing plug protrusion casing, prevents that the object from scraping and touch left sealing plug, has improved the sealing stability of left sealing plug.
(3) The left side fixedly connected with sealing rod of left side sealing plug, the shape of sealing rod is cylindrical, and the material of sealing rod is corrosion-resistant elastic rubber, and the surface contact of sealing rod is connected with the connecting hole, and when the sealing rod received the extrusion of connecting hole, has the effect of compression elasticity, and elasticity makes the sealing rod have sealed and automatic positioning's function.
(4) The left end fixedly connected with anticreep head of sealing rod, the right side contact of anticreep head is connected with keeps away the dead slot, and the shape of anticreep head is conical, and the material of anticreep head is corrosion-resistant elastic rubber, and the anticreep head of setting can avoid the sealing rod to break away from the connecting hole right, has the spacing function of anticreep, has improved the sealing stability of sealing rod.
(5) The surface sealing connection of casing has right sealing plug, and the structure of right sealing plug is constituteed the same with the structure of left sealing plug, and the sealing method of right sealing plug is the same with left sealing plug sealing method of preventing, and the right sealing plug convenient to use person of setting is quick carries out additional lubrication oil to right bearing, and then has prolonged the life of right bearing.
(6) The fixed surface of left side sealing plug has cup jointed the stopper, and the external diameter of stopper is greater than the internal diameter of connecting hole, and the left side contact of stopper is connected with the countersunk groove, and the stopper that sets up is used for restricting the sealed position of left sealing plug, but also can seal the right-hand member opening of connecting hole, has sealed dirt-proof effect.
(7) The surface of left side sealing plug is equipped with anti-skidding line, and the right-hand member fixedly connected with anticreep piece of left side sealing plug, the external diameter of anticreep piece are greater than the external diameter of left sealing plug, and the anticreep piece person of being convenient for use who sets up finger grabs left sealing plug, has the effect of anticreep antiskid.
(8) The right side contact of pressure-bearing piece is connected with the spread groove, and open the left side of pressure-bearing piece has the groove of accomodating, and the diameter in the groove of accomodating that the pressure-bearing piece set up is greater than the diameter of oil blanket, and the pressure-bearing piece of setting can avoid the oil blanket to receive excessive extrusion and produce the damage, has prolonged the life of oil blanket.
Drawings
FIG. 1 is a perspective view of the overall construction of the present invention;
FIG. 2 is a cross-sectional view of the overall construction of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
FIG. 5 is a side view of the left sealing plug and housing mounting structure of the present invention;
fig. 6 is an enlarged view of a portion C of fig. 5.
The reference numbers in the figures illustrate:
the anti-drop device comprises a shell 1, a connecting groove 11, a connecting hole 12, a clearance groove 13, a countersunk groove 14, a mandrel 2, a left bearing 3, a left oil filling hole 31, an oil seal 32, a pressure bearing sheet 33, a right bearing 4, a right oil filling hole 41, a left sealing plug 5, a stop block 51, a stop block 52, a sealing rod 53, a stop block 54, a right sealing plug 6, a connecting shaft 7, a clamping block 71, a limit plate 72, a connecting sleeve 73, a motor 8, a transmission shaft 81, a fixing groove 82 and a mounting plate 83.
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. 1-6, a hydraulic drive reverse circulation drill power head comprises a housing 1, referring to fig. 1-6, a connecting groove 11 is arranged in the housing 1, a sealing cover is fixedly connected to the right side of the housing 1 and used for sealing a right bearing 4 and the right side of the housing 1, a mandrel 2 is connected in the connecting groove 11 in a contacting manner, the right end of the mandrel 2 is used for connecting a drill rod, the drill rod and the drill rod have a splitting function, the drill rod and the mandrel 2 can be conveniently replaced in the later period, a left bearing 3 and a right bearing 4 are fixedly sleeved on the surface of the mandrel 2, the left bearing 3 and the right bearing 4 are fixedly sleeved at two ends of the connecting groove 11, a left oil filling hole 31 and a right oil filling hole 41 are respectively formed on the surfaces of the left bearing 3 and the right bearing 4, the left oil filling hole 31 and the right oil filling hole 41 are positioned on the same plane and are mutually communicated with a symmetrical connecting hole 12, the right side of the left bearing 3 is in contact connection with an oil seal 32 and a bearing sheet 33, the left end of the mandrel 2 is clamped with a connecting shaft 7, the left end of the connecting shaft 7 is fixedly connected with a clamping block 71 and a limiting plate 72, the clamping block 71 is square, the left end of the clamping block 71 is clamped with a transmission shaft 81, the right side of the transmission shaft 81 is provided with a fixing groove 82, the fixing groove 82 is square and used for fixing the position of the clamping block 71, the limiting plate 72 is in contact with the right side of a connecting plate 83 and has a limiting effect, the left end of the transmission shaft 81 is fixedly connected with a motor 8, the motor 8 belongs to the prior art and is a commonly used part of a person skilled in the art, the working principle of the motor is well known by a person skilled in the art or can be known by a technical manual, the motor 8 is used for driving the transmission shaft 81 to rotate, the right side of the motor 8 is fixedly connected with a mounting plate 83, the mounting plate 83 is fixedly connected with a connecting sleeve 73 through a bolt, and the right side of the connecting sleeve 73 is hermetically connected with the shell 1 through a bolt.
Referring to fig. 6, a connecting hole 12 is formed in the inner wall of a connecting groove 11, a clearance groove 13 is communicated with the left end of the connecting hole 12, a countersunk groove 14 is communicated with the right end of the connecting hole 12, a left sealing plug 5 is connected in the countersunk groove 14 in a contacting manner, the countersunk groove 14 is arranged to prevent the left sealing plug 5 from protruding out of the surface of the housing 1, and prevent an object from being scraped and touching the left sealing plug 5, so that the sealing stability of the left sealing plug 5 is improved, a sealing rod 53 is fixedly connected to the left side of the left sealing plug 5, the sealing rod 53 is cylindrical, the sealing rod 53 is made of corrosion-resistant elastic rubber, the connecting hole 12 is connected in a contacting manner to the surface of the sealing rod 53, when the sealing rod 53 is extruded by the connecting hole 12, the sealing rod 53 has the effect of compression elasticity, so that the sealing rod 53 has the functions of sealing and automatic positioning, anti, the external diameter of anticreep piece 51 is greater than the external diameter of left sealing plug 5, and the anticreep piece 51 that sets up is convenient for the user's finger to grasp left sealing plug 5, has the effect of anticreep antiskid.
Please refer to fig. 1 and 6, the left end fixedly connected with anticreep head 54 of sealing rod 53, the right side contact of anticreep head 54 is connected with keeps away empty groove 13, the shape of anticreep head 54 is conical, the material of anticreep head 54 is corrosion-resistant elastic rubber, anticreep head 54 of setting can avoid sealing rod 53 to break away from connecting hole 12 to the right, have the spacing function of anticreep, sealing rod 53's sealing stability has been improved, the sealed surface of casing 1 is connected with right sealing plug 6, the structure of right sealing plug 6 is constituteed the same with the structure of left sealing plug 5, the sealing mode of right sealing plug 6 is the same with the sealing mode is prevented to left sealing plug 5, the right sealing plug 6 convenient to use person of setting is quick adds lubricating oil to right bearing 4, and then the life of right.
Please refer to fig. 4 and 6, the fixed surface of the left sealing plug 5 is sleeved with a limiting block 52, the outer diameter of the limiting block 52 is greater than the inner diameter of the connecting hole 12, the left side of the limiting block 52 is in contact with the countersunk groove 14, the set limiting block 52 is used for limiting the sealing position of the left sealing plug 5, and the right end opening of the connecting hole 12 can be sealed, which has the function of sealing and dust prevention, the right side of the bearing plate 33 is in contact with the connecting groove 11, the left side of the bearing plate 33 is opened with a storage groove, the diameter of the storage groove set by the bearing plate 33 is greater than that of the oil seal 32, the set bearing plate 33 can avoid the oil seal 32 from being damaged due to excessive extrusion, and.
When lubricating oil needs to be added to the power head of the hydraulically-driven reverse circulation drilling machine, the left sealing plug 5 is firstly held by hand to move rightwards, the left sealing plug 5 moves rightwards to drive the anti-falling head 54 to move rightwards, the anti-falling head 54 moves rightwards to be extruded by the connecting hole 12 to generate deformation, then the anti-falling head is moved out of the connecting hole 12, lubricating oil is injected into the connecting hole 12 through a lubricating oil gun, the lubricating oil reaches the left oil filling hole 31 through the connecting hole 12 and enters the left bearing 3 through the left oil filling hole 31 under the pressure of the oil gun, then the left sealing plug 5 is plugged into the connecting hole 12 to be sealed, then the right bearing 4 is lubricated according to the steps, the arranged left sealing plug 5 and the right sealing plug 6 not only have the function of automatic sealing, but also are convenient for a user to quickly add the lubricating oil to the left bearing 3 and the right bearing 4 without complex disassembly, when motor and rig unit head casing 1 need be disassembled, can directly loosen the bolt that mounting panel 83 and adapter sleeve 73 are fixed through the spanner can, then horizontal migration casing 1 or motor 8, can accomplish the disassembling between transmission shaft 81 and the mandrel 2, the connecting axle 7 of setting is not only the transmission stable, and the dismantlement of the mandrel 2 of being convenient for is changed in addition, the later stage maintenance of the rig unit head of being convenient for, great improvement maintenance efficiency.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (8)
1. A hydraulically driven reverse circulation drill unit head, includes casing (1), its characterized in that: the improved bearing device is characterized in that a connecting groove (11) is arranged in the shell (1), the connecting groove (11) is internally contacted with a mandrel (2), a left bearing (3) and a right bearing (4) are sleeved on the surface of the mandrel (2) in a fixed manner, a left oil filling hole (31) and a right oil filling hole (41) are respectively formed in the surfaces of the left bearing (3) and the right bearing (4), an oil seal (32) and a bearing plate (33) are connected on the right side of the left bearing (3) in a contact manner, a connecting shaft (7) is clamped at the left end of the mandrel (2), a clamping block (71) and a limiting plate (72) are fixedly connected at the left end of the connecting shaft (7), the clamping block (71) is square in shape, a transmission shaft (81) is clamped at the left end of the clamping block (71), a fixing groove (82) is formed in the right side of the transmission shaft, the right side fixedly connected with mounting panel (83) of motor (8), mounting panel (83) are through bolt fixedly connected with adapter sleeve (73), the right side of adapter sleeve (73) is through bolt and casing (1) sealing connection.
2. The power head of a hydraulically driven reverse circulation drill according to claim 1, wherein: the inner wall of the connecting groove (11) is provided with a connecting hole (12), the left end of the connecting hole (12) is communicated with a clearance groove (13), the right end of the connecting hole (12) is communicated with a counter sink groove (14), and the counter sink groove (14) is internally connected with a left sealing plug (5) in a contact manner.
3. The power head of a hydraulically driven reverse circulation drill of claim 2, wherein: the left side fixedly connected with sealing rod (53) of left side sealing plug (5), the shape of sealing rod (53) is cylindrical, the material of sealing rod (53) is corrosion-resistant elastic rubber, the surface contact of sealing rod (53) is connected with connecting hole (12).
4. A hydraulically driven reverse circulation drill power head as defined in claim 3, wherein: the left end fixedly connected with anticreep head (54) of sealing rod (53), the right side contact of anticreep head (54) is connected with clearance groove (13), the shape of anticreep head (54) is the cone, the material of anticreep head (54) is corrosion-resistant elastic rubber.
5. The power head of a hydraulically driven reverse circulation drill according to claim 1, wherein: the surface sealing connection of casing (1) has right sealing plug (6), the structure of right sealing plug (6) is constituteed the same with the structure of left sealing plug (5), the sealing method of right sealing plug (6) is the same with left sealing plug (5) sealing method of preventing.
6. The power head of a hydraulically driven reverse circulation drill of claim 2, wherein: the fixed surface of left side sealing plug (5) has cup jointed stopper (52), the external diameter of stopper (52) is greater than the internal diameter of connecting hole (12), the left side contact of stopper (52) is connected with countersunk head groove (14).
7. The power head of a hydraulically driven reverse circulation drill of claim 2, wherein: the surface of the left sealing plug (5) is provided with anti-slip lines, the right end of the left sealing plug (5) is fixedly connected with an anti-falling block (51), and the outer diameter of the anti-falling block (51) is larger than that of the left sealing plug (5).
8. The power head of a hydraulically driven reverse circulation drill according to claim 1, wherein: the right side contact of pressure-bearing piece (33) is connected with spread groove (11), open the left side of pressure-bearing piece (33) and accomodate the groove, the diameter in the groove of accomodating that pressure-bearing piece (33) set up is greater than the diameter of oil blanket (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010057585.6A CN111734300A (en) | 2020-01-19 | 2020-01-19 | Hydraulic drive reverse circulation drilling machine power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010057585.6A CN111734300A (en) | 2020-01-19 | 2020-01-19 | Hydraulic drive reverse circulation drilling machine power head |
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| Publication Number | Publication Date |
|---|---|
| CN111734300A true CN111734300A (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010057585.6A Pending CN111734300A (en) | 2020-01-19 | 2020-01-19 | Hydraulic drive reverse circulation drilling machine power head |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015121615A2 (en) * | 2014-02-13 | 2015-08-20 | Auger Torque Europe Limited | Improvements in or relating to a secondary drive unit |
| CN204704270U (en) * | 2015-05-19 | 2015-10-14 | 宁波达奋精工轴承有限公司 | The matching mechanism of bearing and bearing support |
| CN205816879U (en) * | 2016-06-07 | 2016-12-21 | 浙江工业大学 | A kind of power head structure |
| CN207333451U (en) * | 2017-08-01 | 2018-05-08 | 新昌县嘉阳轴承有限公司 | A kind of noise abatement taper roll bearing |
| CN108361320A (en) * | 2018-04-12 | 2018-08-03 | 吉林大学 | The two-way main shaft buffer device of binary channels built using nitrogen gas spring |
| CN208185247U (en) * | 2018-05-21 | 2018-12-04 | 常山亚瑞轴承有限公司 | A kind of shield bearing |
| CN208281350U (en) * | 2018-05-14 | 2018-12-25 | 绍兴恩腾机械科技有限公司 | A kind of higher textile machine bearing of flexibility |
-
2020
- 2020-01-19 CN CN202010057585.6A patent/CN111734300A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015121615A2 (en) * | 2014-02-13 | 2015-08-20 | Auger Torque Europe Limited | Improvements in or relating to a secondary drive unit |
| CN204704270U (en) * | 2015-05-19 | 2015-10-14 | 宁波达奋精工轴承有限公司 | The matching mechanism of bearing and bearing support |
| CN205816879U (en) * | 2016-06-07 | 2016-12-21 | 浙江工业大学 | A kind of power head structure |
| CN207333451U (en) * | 2017-08-01 | 2018-05-08 | 新昌县嘉阳轴承有限公司 | A kind of noise abatement taper roll bearing |
| CN108361320A (en) * | 2018-04-12 | 2018-08-03 | 吉林大学 | The two-way main shaft buffer device of binary channels built using nitrogen gas spring |
| CN208281350U (en) * | 2018-05-14 | 2018-12-25 | 绍兴恩腾机械科技有限公司 | A kind of higher textile machine bearing of flexibility |
| CN208185247U (en) * | 2018-05-21 | 2018-12-04 | 常山亚瑞轴承有限公司 | A kind of shield bearing |
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