CN113374403A - Multi-seal silt-proof rotary drilling rig power head - Google Patents
Multi-seal silt-proof rotary drilling rig power head Download PDFInfo
- Publication number
- CN113374403A CN113374403A CN202110579477.XA CN202110579477A CN113374403A CN 113374403 A CN113374403 A CN 113374403A CN 202110579477 A CN202110579477 A CN 202110579477A CN 113374403 A CN113374403 A CN 113374403A
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- Prior art keywords
- headstock
- fixedly connected
- silt
- seal
- sealed
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- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 239000000945 filler Substances 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 12
- 239000003921 oil Substances 0.000 description 7
- 239000012208 gear oil Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
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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
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the technical field of rotary drilling rigs, and particularly relates to a power head of a multi-seal silt-preventing rotary drilling rig. According to the power head, the supporting plate and the scraper are arranged, the rotating shaft can be used for driving the supporting plate to rotate, so that the scraper is driven to rotate, the scraper can continuously scrape the outer surface of the flange in a circumferential mode, mud avoided by the flange is effectively scraped, the mud is prevented from entering the power box through the third sealing bearing, the cleanliness of the power box is effectively kept, a rotating unit in the power box can normally operate, the service life of the power head is prolonged, and the working efficiency of the power head is improved.
Description
Technical Field
The invention relates to the technical field of rotary drilling rigs, in particular to a power head of a multi-seal silt-preventing rotary drilling rig.
Background
The rotary digging drill is also called rotary digging machine and pile driver, it is a construction machinery suitable for hole forming operation in the building foundation engineering, it can use many bottom layers, it has characteristics such as fast hole forming speed, little pollution and strong maneuverability, the short spiral bit can do dry digging operation, also can use the rotary bit to do wet digging operation under the condition of mud dado, the rotary digging machine can do hole digging operation after drilling hard stratum with the impact hammer, the rotary digging machine adopts multilayer telescopic drilling rod, the drilling auxiliary time is little, the labor intensity is low, it does not need mud circulation to arrange slag and save the cost, especially suitable for the foundation construction of city construction.
The power head is often needed to be used in the process of construction of the rotary excavating machine, the situation that slurry enters the power head box body can often occur in the process of using the power head, the slurry enters the box body and easily causes damage to the power head, the slurry enters the inside of the gear box and pollutes gear oil, the lubricating effect of the gear is influenced, the service life of the gear is reduced, the excavating work of the rotary excavating machine is further influenced, and the problems above are solved by the power head of the rotary excavating machine with multiple sealing silt prevention rotary excavating rigs.
The invention is easy to cause
Aiming at the defects of the prior art, the invention provides a multi-seal silt-proof rotary drilling rig power head, which solves the problems that slurry enters a power head box body frequently in the use process of the power head, the slurry enters the box body to easily cause damage to the power head, enters the gear box to pollute gear oil, influences the lubricating effect of gears, reduces the service life of the gears and further influences the excavating work of a rotary drilling machine.
In order to achieve the purpose, the invention provides the following technical scheme: the multi-seal silt-preventing rotary drilling rig power head comprises a power box, wherein a rotating gear set is arranged inside the power box, a speed reducer set is arranged above the power box, the output end of the speed reducer set is fixedly connected with a rotating shaft, the upper surface of the power box is provided with a placing groove, a first seal bearing is fixedly embedded on the inner bottom wall of the placing groove, a second seal bearing is fixedly embedded on the bottom surface of the power box, a waterproof pad is fixedly connected with the upper surface of the power box, a flange plate is fixedly connected with the upper surface of the waterproof pad, a third seal bearing is fixedly connected with the inner wall of the flange plate, the bottom end of the rotating shaft sequentially penetrates through the third seal bearing, the first seal bearing and the rotating gear set and is fixedly connected with the inner ring of the second seal bearing, a first seal gasket is fixedly connected with the outer surface of the rotating shaft and is positioned inside the placing groove, the outer fixed surface of axis of rotation is connected with the second and seals up, the sealed below that is located third sealed bearing of second, the outer fixed surface of axis of rotation is connected with the supporting disk, the bottom surface fixedly connected with annular scraper blade of arranging of supporting disk, every the scraper blade all contacts with the surface of ring flange.
As a preferred technical scheme of the invention, the upper surface of the power box is fixedly connected with a buffer unit, damping springs which are arranged in a ring shape are arranged in the buffer unit, a limiting rod is sleeved in each damping spring, and the top end of each limiting rod is fixedly connected with the inner top wall of the buffer unit.
As a preferred technical scheme of the present invention, an oil injection hole is formed in a left side surface of the power box, a thread is formed in an inner wall of the oil injection hole, a sealing plug is connected to the inner wall of the oil injection hole in a threaded manner, a third sealing gasket is fixedly connected to an outer surface of the sealing plug, and the third sealing gasket is in contact with the outer surface of the power box.
As a preferable technical scheme of the invention, the front surface of the power box and the back surface of the power box are both fixedly connected with fixed plates, and one side surface of each of the two fixed plates, which is far away from each other, is fixedly connected with a sliding frame.
According to a preferable technical scheme of the invention, the bottom end of the power box is fixedly connected with a connecting disc, a pressure plate is arranged below the connecting disc, fastening holes which are annularly arranged are jointly formed in the top end of the pressure plate and the bottom surface of the connecting disc, a first fastening nut is arranged inside each fastening hole, a first bolt is in threaded connection with the top end of each first fastening nut, and an annularly arranged stabilizing plate is fixedly connected to the outer surface of the pressure plate.
As a preferable technical scheme of the invention, the upper surface of the flange plate and the upper surface of the waterproof pad are provided with through holes which are annularly arranged, the upper surface of the power box is provided with first threaded grooves which are annularly arranged, a group of threaded nails which are matched with the first threaded grooves are arranged above the flange plate, each threaded nail penetrates through the through hole and extends to the inside of the first threaded groove, and each threaded nail is in threaded connection with the first threaded groove.
As a preferable technical scheme of the present invention, the inner top wall of the power box is provided with a circular groove, the inner portion of the circular groove is clamped with a sealing ring, the outer surface of the rotating shaft is fixedly connected with a support plate, and the upper surface of the support plate is fixedly connected with the bottom surface of the sealing ring.
As a preferable technical scheme of the invention, the bottom surface of the power box is provided with second threaded grooves which are annularly arranged, a lower sealing plate is arranged below the power box, the upper surface of the lower sealing plate is fixedly connected with a fourth sealing gasket, the fourth sealing gasket is in contact with the bottom surface of the power box, the bottom surface of the lower sealing plate is provided with sliding holes which are annularly arranged, a group of second nuts which are matched with the second threaded grooves are arranged below the lower sealing plate, the top end of each second nut penetrates through the sliding hole and extends into the second threaded groove, and each second nut is in threaded connection with the second threaded groove.
As a preferable technical scheme of the invention, a nameplate is arranged in front of the power box, and the inner surface of the nameplate is fixedly connected with the front surface of the power box.
Compared with the prior art, the invention provides a multi-seal silt-proof rotary drilling rig power head, which has the following beneficial effects:
1. this many sealings prevent silt and dig rig unit head soon, through setting up first sealed pad, waterproof pad and flange dish can protect and seal axis of rotation and first sealed bearing's junction, screw nail and first thread groove through setting up, can utilize threaded connection between screw nail and the first thread groove, it is fixed to extrude ring flange and waterproof pad, increase the waterproof type of seal of axis of rotation, effectively avoid mud to get into the inside of headstock through first sealed bearing, realize the sealed protection to the headstock, avoid the pollution of the inside gear oil of headstock, and the harm of mud to the gear, it is more steady to make the gear revolve, the permanent use of the unit head of being convenient for, increase the life of unit head.
2. This many sealings prevent silt and dig rig unit head soon, through setting up supporting disk and scraper blade, can utilize the axis of rotation to rotate and drive the supporting disk and rotate, and then drive the rotation of scraper blade, make the scraper blade carry out the circumference to the surface of ring flange and continuously scrape, effectively strike off the mud that the ring flange was avoided, avoid mud to get into the inside of headstock through third sealed bearing, effectively keep the cleanliness of headstock, make the inside normal operating of unit that rotates of headstock, the life of unit head has been increased and then has increased the work efficiency of unit head.
Drawings
FIG. 1 is a front view of the power box of the present invention;
FIG. 2 is a cross-sectional view of a front view of the power box of the present invention;
FIG. 3 is a schematic perspective view of the power box of the present invention;
FIG. 4 is a bottom view of the support tray of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 2 according to the present invention.
In the figure: 1. a power box; 2. a sealing plug; 3. a third gasket; 4. a nameplate; 5. a buffer unit; 6. a speed reduction unit; 7. a fixing plate; 8. a carriage; 9. a second gasket; 10. a fourth gasket; 11. a lower sealing plate; 12. a platen; 13. a fastening hole; 14. a connecting disc; 15. a stabilizing plate; 16. a first fastening nut; 17. a first bolt; 18. an oil filler hole; 19. a damping spring; 20. a limiting rod; 21. a rotating gear set; 22. a rotating shaft; 23. a support disc; 24. a squeegee; 25. a threaded nail; 26. a flange plate; 27. a waterproof pad; 28. a through hole; 29. a first thread groove; 30. a placement groove; 31. a seal ring; 32. a circular groove; 33. a support plate; 34. a first sealed bearing; 35. a first gasket; 36. a second thread groove; 37. a second nut; 38. a slide hole; 39. a second sealed bearing; 40. and a third sealed bearing.
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.
Examples
Referring to fig. 1-6, in the present embodiment: a power head of a multi-seal silt-proof rotary drilling rig comprises a power box 1, a rotating gear set 21 is arranged inside the power box 1, a speed reducing unit 6 is arranged above the power box 1, an output end of the speed reducing unit 6 is fixedly connected with a rotating shaft 22, a placing groove 30 is formed in the upper surface of the power box 1, a first sealing bearing 34 is fixedly embedded in the inner bottom wall of the placing groove 30, a second sealing bearing 39 is fixedly embedded in the bottom surface of the power box 1, a waterproof pad 27 is fixedly connected to the upper surface of the power box 1, a flange plate 26 is fixedly connected to the upper surface of the waterproof pad 27, mud can be protected by the waterproof pad 27 and the flange plate 26, the mud is prevented from entering the inside of the flange plate 26, the power box 1 is protected, a third sealing bearing 40 is fixedly connected to the inner wall of the flange plate 26, the bottom end of the rotating shaft 22 sequentially penetrates through the third sealing bearing 40, the first sealing bearing 34 and the rotating gear set 21 and is fixedly connected with the inner ring of the second sealing bearing 39, the first sealed pad 35 of outer fixed surface of axis of rotation 22, the first sealed inside that is located standing groove 30 that fills up 35, the sealed pad 9 of outer fixed surface of axis of rotation 22 is connected with the second, the sealed below that 9 is located third sealed bearing 40 of second, the outer fixed surface of axis of rotation 22 is connected with supporting disk 23, the scraper blade 24 of the bottom surface fixedly connected with annular range of supporting disk 23, every scraper blade 24 all contacts with the surface of ring flange 26, can drive supporting disk 23 and scraper blade 24's rotation through axis of rotation 22 rotation, realize avoiding striking off of mud to ring flange 26, avoid mud to get into the inside of ring flange 26, and then get into the inside of headstock 1, the realization is protected the secondary seal of headstock 1.
In this embodiment, the last fixed surface of power box 1 is connected with buffering unit 5, the inside of buffering unit 5 is equipped with the shock attenuation spring 19 that the annular was arranged, the inside of every shock attenuation spring 19 all overlaps and is equipped with gag lever post 20, the top of every gag lever post 20 all with the interior roof fixed connection of buffering unit 5, can effectually damp shock to the unit head, reduce the shock-absorbing power of power box 1, the realization is protected the shock attenuation of power box 1, oil filler point 18 has been seted up to the left surface of power box 1, the screw thread has been seted up to the inner wall of oil filler point 18, the inner wall threaded connection of oil filler point 18 has sealing plug 2, the outer fixed surface of sealing plug 2 is connected with the sealed 3 of third, the sealed surface of third contacts with power box 1, can make things convenient for the change of staff to the inside gear oil of power box 1, be convenient for the inside rotation of power box 1 to change gear group 21.
The front surface of the power box 1 and the back surface of the power box 1 are fixedly connected with fixing plates 7, one side surface, away from each other, of each fixing plate 7 is fixedly connected with a sliding frame 8, the power box 1 can be conveniently supported and fixed, the stability of the power box 1 is improved, the use of the power box 1 is facilitated, the bottom end of the power box 1 is fixedly connected with a connecting disc 14, a pressure disc 12 is arranged below the connecting disc 14, fastening holes 13 which are annularly arranged are formed in the top end of the pressure disc 12 and the bottom surface of the connecting disc 14, a first fastening nut 16 is arranged inside each fastening hole 13, a first bolt 17 is in threaded connection with the top end of each first fastening nut 16, a stabilizing plate 15 which is annularly arranged is fixedly connected to the outer surface of the pressure disc 12, the fixing force of the power box 1 on a drill rod can be effectively improved, the drill rod is enabled to rotate more stably, the soil excavation work of a rotary digging head is facilitated, through holes 28 which are annularly arranged are formed in the upper surface of a flange 26 and the upper surface of a waterproof pad 27, first thread groove 29 that the annular was arranged is seted up to the upper surface of headstock 1, the top of ring flange 26 is equipped with a set of screw 25 with first thread groove 29 looks adaptation, every screw 25 all runs through-hole 28 and extends to the inside of first thread groove 29, every screw 25 all with first thread groove 29 threaded connection, can utilize screw 25 and the threaded connection of first thread groove 29, it is fixed to extrude ring flange 26 and waterproof pad 27, increase waterproof pad 27's sealed effect, avoid mud to pass through waterproof pad 27.
The inner top wall of the power box 1 is provided with a circular groove 32, the inside of the circular groove 32 is clamped with a sealing ring 31, the outer surface of the rotating shaft 22 is fixedly connected with a supporting plate 33, the upper surface of the supporting plate 33 is fixedly connected with the bottom surface of the sealing ring 31, the bottom end of the first sealing bearing 34 can be sealed again, the sealing performance of the first sealing bearing 34 is improved, slurry is effectively prevented from entering the inside of the power box 1, the bottom surface of the power box 1 is provided with second threaded grooves 36 which are arranged in an annular mode, a lower sealing plate 11 is arranged below the power box 1, the upper surface of the lower sealing plate 11 is fixedly connected with a fourth sealing gasket 10, the fourth sealing gasket 10 is contacted with the bottom surface of the power box 1, the bottom surface of the lower sealing plate 11 is provided with sliding holes 38 which are arranged in an annular mode, a group of second nuts 37 which are matched with the second threaded grooves 36 is arranged below the lower sealing plate 11, the top end of each second nut 37 penetrates through the sliding holes 38 and extends to the inside of the second threaded grooves 36, every second nut 37 all with 36 threaded connection of second thread groove, can seal second seal bearing 39's bottom, avoids mud to carry out the inside of headstock 1 through second seal bearing 39, realizes the protection to headstock 1, and the place ahead of headstock 1 is equipped with data plate 4, and the inner face of data plate 4 and the positive fixed connection of headstock 1 can be expounded the operation flow of unit head, and the staff of being convenient for is to the operation of unit head.
The working principle and the using process of the invention are as follows: when the device is used, firstly, the sliding frame 8 is hung and buckled on a working vehicle body, the power box 1 is supported and fixed, then a drill rod is sleeved inside the buffer unit 5, the power box 1 and the pressure plate 12, the power box 1 and the speed reducer unit 6 work simultaneously to drive the drill rod to rotate, the drill rod is used for driving the drill bit to rotate, soil is excavated, when slurry is excavated out, the slurry falls on the power box 1 through the drill rod, the flange plate 26 and the waterproof pad 27 are extruded by using the threaded connection of the threaded nail 25 and the first threaded groove 29, the separation and the sealing of the slurry are realized, meanwhile, the slurry is prevented from flowing onto the first sealing bearing 34 through the matching with the first sealing pad 35, the slurry is further prevented from entering the inside of the power box 1, the slurry is prevented from damaging the unit equipment inside the power box 1, and meanwhile, the rotating shaft 22 rotates to drive the supporting disc 23 to rotate, and then drive the rotation of scraper blade 24, realize scraper blade 24 and avoid scraping off of mud to ring flange 26, effectively block that mud gets into the inside of headstock 1 through third sealed bearing 40, through the cooperation with waterproof pad 27 and the sealed pad 35 of first, can effectually seal headstock 1, avoid mud to get into the inside of headstock 1, realize the protection to the inside unit equipment of headstock 1 and gear oil, increased the life of unit head.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. Many sealings prevent silt and dig rig unit head soon, including headstock (1), its characterized in that: the inside of headstock (1) is equipped with rotation gear group (21), the top of headstock (1) is equipped with speed reduction unit (6), the output fixedly connected with axis of rotation (22) of speed reduction unit (6), standing groove (30) have been seted up to the upper surface of headstock (1), the interior diapire fixed of standing groove (30) is inlayed and is had first sealed bearing (34), the bottom surface fixed of headstock (1) is inlayed and is had second sealed bearing (39), the last fixed surface of headstock (1) is connected with waterproof pad (27), the last fixed surface of waterproof pad (27) is connected with ring flange (26), the inner wall fixed connection of ring flange (26) has third sealed bearing (40), the bottom of axis of rotation (22) runs through third sealed bearing (40), first sealed bearing (34) and rotation gear group (21) in proper order and with the inner circle fixed connection of second sealed bearing (39), the utility model discloses a sealing device, including axis of rotation (22), the first sealed pad of surface fixedly connected with (35) of axis of rotation (22), first sealed pad (35) are located the inside of standing groove (30), the sealed pad (9) of surface fixedly connected with second of axis of rotation (22), the sealed below that (9) are located third sealed bearing (40) of second, the surface fixedly connected with supporting disk (23) of axis of rotation (22), the bottom surface fixedly connected with annular scraper blade (24) of arranging of supporting disk (23), every scraper blade (24) all contact with the surface of ring flange (26).
2. The multi-seal silt-prevention rotary drilling rig power head according to claim 1, characterized in that: the upper surface fixed connection of headstock (1) has buffer unit (5), the inside of buffer unit (5) is equipped with damping spring (19) that the annular was arranged, every damping spring (19)'s inside all is equipped with gag lever post (20), every the top of gag lever post (20) all with the interior roof fixed connection of buffer unit (5).
3. The multi-seal silt-prevention rotary drilling rig power head according to claim 1, characterized in that: oil filler point (18) have been seted up to the left surface of headstock (1), the inner wall of oil filler point (18) is seted up threadedly, the inner wall threaded connection of oil filler point (18) has sealing plug (2), the outer fixed surface of sealing plug (2) is connected with the sealed pad of third (3), the sealed surface of pad (3) of third and headstock (1) contacts.
4. The multi-seal silt-prevention rotary drilling rig power head according to claim 1, characterized in that: the front of headstock (1) and the equal fixedly connected with fixed plate (7) in the back of headstock (1), two the common fixedly connected with carriage (8) of a side that fixed plate (7) kept away from each other.
5. The multi-seal silt-prevention rotary drilling rig power head according to claim 1, characterized in that: the bottom end of the power box (1) is fixedly connected with a connecting disc (14), a pressure plate (12) is arranged below the connecting disc (14), fastening holes (13) which are annularly arranged are jointly formed in the top end of the pressure plate (12) and the bottom surface of the connecting disc (14), a first fastening nut (16) is arranged inside each fastening hole (13), each first fastening nut (16) is connected with a first bolt (17) in a threaded mode at the top end, and a stabilizing plate (15) which is annularly arranged is fixedly connected to the outer surface of the pressure plate (12).
6. The multi-seal silt-prevention rotary drilling rig power head according to claim 1, characterized in that: the upper surface of ring flange (26) and the upper surface of waterproof pad (27) offer through-hole (28) that the annular was arranged jointly, first thread groove (29) that the annular was arranged are offered to the upper surface of headstock (1), the top of ring flange (26) is equipped with a set of screw (25) with first thread groove (29) looks adaptation, every screw (25) all run through-hole (28) and extend to the inside of first thread groove (29), every screw (25) all with first thread groove (29) threaded connection.
7. The multi-seal silt-prevention rotary drilling rig power head according to claim 1, characterized in that: circular recess (32) have been seted up to the interior roof of headstock (1), the inside joint of circular recess (32) has sealing ring (31), the fixed surface of axis of rotation (22) is connected with backup pad (33), the upper surface of backup pad (33) and the bottom surface fixed connection of sealing ring (31).
8. The multi-seal silt-prevention rotary drilling rig power head according to claim 1, characterized in that: second thread groove (36) that the annular was arranged are seted up to the bottom surface of headstock (1), the below of headstock (1) is equipped with down shrouding (11), the sealed pad (10) of last fixed surface of shrouding (11) down, the sealed pad (10) of fourth contacts with the bottom surface of headstock (1), the slide opening (38) that the annular was arranged are seted up to the bottom surface of shrouding (11) down, the below of shrouding (11) is equipped with a set of second nut (37) with second thread groove (36) looks adaptation down, every the top of second nut (37) all runs through slide opening (38) and extends to the inside of second thread groove (36), every second nut (37) all with second thread groove (36) threaded connection.
9. The multi-seal silt-prevention rotary drilling rig power head according to claim 1, characterized in that: a nameplate (4) is arranged in front of the power box (1), and the inner surface of the nameplate (4) is fixedly connected with the front surface of the power box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110579477.XA CN113374403A (en) | 2021-05-26 | 2021-05-26 | Multi-seal silt-proof rotary drilling rig power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110579477.XA CN113374403A (en) | 2021-05-26 | 2021-05-26 | Multi-seal silt-proof rotary drilling rig power head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113374403A true CN113374403A (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110579477.XA Pending CN113374403A (en) | 2021-05-26 | 2021-05-26 | Multi-seal silt-proof rotary drilling rig power head |
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| CN (1) | CN113374403A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201891380U (en) * | 2010-12-13 | 2011-07-06 | 北京市三一重机有限公司 | Rotary drilling rig and power control box thereof |
| CN201902161U (en) * | 2010-12-13 | 2011-07-20 | 北京市三一重机有限公司 | Rotary drilling rig power head and rotary drilling rig |
| CN202391341U (en) * | 2011-12-09 | 2012-08-22 | 徐州雷曼机械科技有限公司 | Labyrinth sealing structure for power head of rotary drilling rig |
| CN203023451U (en) * | 2012-12-19 | 2013-06-26 | 郑州宇通重工有限公司 | Anti-silt device of power head box body of rotary drilling rig |
| CN209458339U (en) * | 2018-12-21 | 2019-10-01 | 常州回回机械科技有限公司 | A kind of rotary drilling rig headstock with damping device |
| CN211624155U (en) * | 2020-01-18 | 2020-10-02 | 徐州腾宇回转支承制造有限公司 | Seal structure of rotary drilling rig power head |
-
2021
- 2021-05-26 CN CN202110579477.XA patent/CN113374403A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201891380U (en) * | 2010-12-13 | 2011-07-06 | 北京市三一重机有限公司 | Rotary drilling rig and power control box thereof |
| CN201902161U (en) * | 2010-12-13 | 2011-07-20 | 北京市三一重机有限公司 | Rotary drilling rig power head and rotary drilling rig |
| CN202391341U (en) * | 2011-12-09 | 2012-08-22 | 徐州雷曼机械科技有限公司 | Labyrinth sealing structure for power head of rotary drilling rig |
| CN203023451U (en) * | 2012-12-19 | 2013-06-26 | 郑州宇通重工有限公司 | Anti-silt device of power head box body of rotary drilling rig |
| CN209458339U (en) * | 2018-12-21 | 2019-10-01 | 常州回回机械科技有限公司 | A kind of rotary drilling rig headstock with damping device |
| CN211624155U (en) * | 2020-01-18 | 2020-10-02 | 徐州腾宇回转支承制造有限公司 | Seal structure of rotary drilling rig power head |
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Application publication date: 20210910 |