CN217558246U

CN217558246U - Screw power head device capable of improving sealing performance

Info

Publication number: CN217558246U
Application number: CN202221311731.4U
Authority: CN
Inventors: 陈刚; 江峰
Original assignee: Ningbo Xincan Hydraulic Transmission Co ltd
Current assignee: Ningbo Xincan Hydraulic Transmission Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-10-11
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to a spiral drilling machine technical field just discloses a improve sealing performance's screw rod unit head device, which comprises a bracket, the left side fixed mounting of support has the big torque motor of low-speed, the right side of support is rotated and is installed the output drilling rod. This improve screw rod unit head device of sealing performance, use two big moment of torsion hydraulic motors of low-speed to connect in parallel the drive, the output torque is big, compact structure, and is small, the drive speed reducer adopts one-level big and small gear engagement transmission, high transmission efficiency, adopt jumbo size conical bearing and cylindrical bearing to bear radial force and axial force on the output drilling rod, the rigidity increases, reduce the deformation, reduce sealed damage, long service life, the input adopts double-deck Y to seal and adds the retaining ring, increase seal strength, anti-soil performance is good, external dirt resistance is good, output drilling rod front end adopts oil blanket and dust ring, external silt has been reduced, the wearing and tearing of granule to the drilling rod, the seal of output has been protected, sealing performance is high, long service life.

Description

Screw power head device capable of improving sealing performance

Technical Field

The utility model relates to a spiral drilling machine technical field specifically is an improve sealing performance's screw rod unit head device.

Background

The spiral drilling machine is a spiral blade drilling machine and comprises a drilling machine frame, a slide way is arranged on the drilling machine frame, a reduction gearbox capable of sliding up and down along the slide way is further arranged, the reduction gearbox is connected with a power input shaft and a power output shaft, the other end of the power input shaft is connected with a hydraulic motor, the other end of the power output shaft is connected with a drill rod, the lower end of the drill rod is connected with a drill bit, and a screw power head device is required to be used in the using process of the spiral drilling machine.

However, the existing screw power head device is small in output torque, large in size and high in production cost, meanwhile, the existing screw power head device is poor in sealing capacity, external silt often enters the inside of the screw power head device, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an improve sealing performance's screw rod unit head device to propose current screw rod unit head device in solving above-mentioned background, output torque is little, and the volume is great, and manufacturing cost is higher, current screw rod unit head device simultaneously, sealing capacity is relatively poor, often appears external silt and gets into the inside condition of screw rod unit head device, the relatively poor problem of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an improve sealing performance's screw rod unit head device, includes the support, the left side fixed mounting of support has low-speed big torque motor, the right side of support is rotated and is installed the output drilling rod, the protecgulum has been cup jointed with the junction of support to the output drilling rod, taper bearing, cylindrical bearing, oil blanket and dust ring have set gradually from a left side to the right side between protecgulum and the output drilling rod, the embedded inside of installing at the protecgulum of dust ring, the pinion is installed in the rotation of low-speed big torque motor's output, the pinion is provided with the deep groove bearing with the junction of support, be provided with the gear wheel between pinion and the output drilling rod, the input disc is installed through the bolt-up in the left side of support, Y type circle, spacer ring and retaining ring have set gradually from a left side to the right side between input disc and the output drilling rod.

Preferably, the two low-speed large-torque motors are arranged, the two low-speed large-torque motors are symmetrically distributed on two sides of the output drill rod, and the two low-speed large-torque motors and the support are fastened and installed through bolts.

Preferably, the pinion and the bull gear are both provided with the same two, the pinion and the bull gear are symmetrically distributed on two sides of the output drill rod, the pinion and the bull gear are connected in a meshing manner, and the bull gear is connected with the output drill rod in a meshing manner.

Preferably, the conical bearing, the cylindrical bearing and the oil seal are arranged in the same two numbers, the conical bearing, the cylindrical bearing and the oil seal are all installed on the outer side of the output drill rod in a sleeved mode, and the conical bearing, the cylindrical bearing and the oil seal are symmetrically distributed on the two sides of the large gear.

Preferably, the cylindrical bearing is located between the conical bearing and the oil seal, the spacer ring is located between the Y-shaped ring and the check ring, and the Y-shaped ring, the spacer ring and the check ring are located inside the input disc.

Preferably, the deep groove bearings are provided with two identical groups, the two groups of deep groove bearings are symmetrically distributed on two sides of the output drill rod, and the deep groove bearings are symmetrically distributed on two sides of the pinion.

Compared with the prior art, the utility model provides an improve sealing performance's screw rod unit head device possesses following beneficial effect:

1. the screw power head device for improving the sealing performance is driven by two low-speed large-torque hydraulic motors in parallel, the output torque is large, the structure is compact, the size is small, the price is low, a driving speed reducer is driven by meshing of a first-stage large gear and a second-stage large gear, the transmission efficiency is high, the weight is light, the manufacturing cost is low, a large-size conical bearing and a cylindrical bearing are adopted on an output drill rod to bear radial force and axial force, the rigidity is increased, the deformation is reduced, the sealing damage is reduced, and the service life is long.

2. This improve screw rod unit head device of sealing performance, the input adopts double-deck Y to seal with the retaining ring, increases seal strength, and anti-soil performance is good, and external mud resistance is good, and output drilling rod front end adopts the oil blanket to add the dust ring, has reduced external silt, and the granule has protected the sealed of output to the wearing and tearing of drilling rod, and sealing performance is high, long service life.

Drawings

Fig. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a schematic view of the top view structure of the present invention.

Wherein: 1. a low speed, high torque motor; 2. a support; 3. outputting the drill rod; 4. a pinion gear; 5. a deep groove bearing; 6. a bull gear; 7. a conical bearing; 8. a cylindrical bearing; 9. oil sealing; 10. a dust ring; 11. A front cover; 12. an input disc; 13. a Y-shaped ring; 14. a space ring; 15. and a retainer ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a screw power head device for improving sealing performance comprises a support 2, a low-speed large-torque motor 1 is fixedly installed on the left side of the support 2, an output drill rod 3 is rotatably installed on the right side of the support 2, a front cover 11 is sleeved at the joint of the output drill rod 3 and the support 2, a conical bearing 7, a cylindrical bearing 8, an oil seal 9 and a dust ring 10 are sequentially arranged between the front cover 11 and the output drill rod 3 from left to right, the dust ring 10 is installed in the front cover 11 in an embedded manner, a small gear 4 is rotatably installed at the output end of the low-speed large-torque motor 1, a deep groove bearing 5 is arranged at the joint of the small gear 4 and the support 2, a large gear 6 is arranged between the small gear 4 and the output drill rod 3, an input disc 12 is fixedly installed on the left side of the support 2 through a bolt, a Y-shaped ring 13, a spacer ring 14 and a retainer ring 15 are sequentially arranged between the input disc 12 and the output drill rod 3 from right, the front end of the output drill rod 3 is sealed by two layers of the oil seal 9 and the dust ring 10, double layers are installed on the front cover 11, installation and maintenance are convenient, the input disc 12 is also used for increasing the service life of the double-layer seal ring 14, and the seal ring 15;

the low-speed large-torque motors 1 are provided with two same motors, the low-speed large-torque motors 1 are symmetrically distributed on two sides of an output drill rod 3, the low-speed large-torque motors 1 and a support 2 are fastened and installed through bolts, the small gears 4 and the large gears 6 are both provided with two same motors, the small gears 4 and the large gears 6 are symmetrically distributed on two sides of the output drill rod 3, the small gears 4 and the large gears 6 are in meshed connection, the large gears 6 are in meshed connection with the output drill rod 3, in the using process of the device, the two low-speed large-torque motors 1 are driven, the two low-speed large-torque motors 1 are connected in parallel, the small gears 4 and the large gears 6 are respectively in meshed transmission through the small gears 4, the small gears 4 are symmetrically supported between the two deep groove bearings 5, the large gears 6 are symmetrically supported between the two conical bearings 7 capable of bearing large axial force and large radial force, the output drill rod 3 is particularly large in radial force bearing, so that a cylindrical bearing radial force is added at the front end of the output drill rod 3, the large gears 6 can transmit power to the output drill rod 3, and power output of the two low-speed large-torque motors 1 in parallel connection can be realized;

the conical bearing 7, the cylindrical bearing 8 and the oil seal 9 are provided with two identical bearings, the conical bearing 7, the cylindrical bearing 8 and the oil seal 9 are all installed on the outer side of the output drill rod 3 in a sleeved mode, the conical bearing 7, the cylindrical bearing 8 and the oil seal 9 are symmetrically distributed on two sides of the large gear 6, the cylindrical bearing 8 is located between the conical bearing 7 and the oil seal 9, the spacer rings 14 are located between the Y-shaped ring 13 and the check ring 15, the Y-shaped ring 13, the spacer rings 14 and the check ring 15 are located inside the input disc 12, the deep groove bearings 5 are provided with two identical groups, the two groups of deep groove bearings 5 are symmetrically distributed on two sides of the output drill rod 3, the deep groove bearings 5 are symmetrically distributed on two sides of the small gear 4, the front end of the output drill rod 3 is sealed in a double-layer mode through the oil seal 9 and the dust-proof ring 10, the double-layer seals are installed on the front cover 11, installation and maintenance are convenient, the input disc 12 at the rear end of the output drill rod 3 is sealed in a double-layer through the double-layer-way through the Y13, the spacer rings 14 and the check ring 15 are additionally provided, the sealing pressure resistance and the service life are prolonged.

When the device is used, the two low-speed large-torque motors 1 are driven, the two low-speed large-torque motors 1 are connected in parallel and are respectively in meshing transmission with the large gear 6 through the small gear 4, the large gear 6 can transmit power to the output drill rod 3, power output of the two low-speed large-torque motors 1 in parallel can be achieved, the small gear 4 is symmetrically supported between the two deep groove bearings 5, the large gear 6 is symmetrically supported between the two conical bearings 7 capable of bearing large axial force and radial force, and the output drill rod 3 is particularly large in bearing radial force, so that a cylindrical bearing 8 bearing radial force is additionally arranged at the front end of the output drill rod 3, the front end of the output drill rod 3 is sealed in a double-layer mode through an oil seal 9 and a dust ring 10, the double-layer seals are both arranged on the front cover 11, installation and maintenance are convenient, the input disc 12 at the rear end of the output drill rod 3 is also sealed through a double-channel Y-shaped ring 13, a spacer ring 14 and a retainer ring 15 are additionally arranged, the pressure resistance of the seals is increased, the service life of the seal is prolonged, the design is reasonable, the use is convenient, the whole sealing performance is strong, the use is convenient, and the service life of the device is prolonged.

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

1. The utility model provides an improve sealing performance's screw rod unit head device, includes support (2), its characterized in that: the left side fixed mounting of support (2) has low-speed big torque motor (1), the right side of support (2) is rotated and is installed output drilling rod (3), front cover (11) have been cup jointed with the junction of support (2) in output drilling rod (3), conical bearing (7), cylindrical bearing (8), oil blanket (9) and dust ring (10) have set gradually from a left side to the right side between front cover (11) and output drilling rod (3), the embedded inside of installing at front cover (11) of dust ring (10), pinion (4) are installed in the rotation of the output of low-speed big torque motor (1), pinion (4) are provided with deep groove bearing (5) with the junction of support (2), be provided with gear wheel (6) between pinion (4) and the output drilling rod (3), there is input dish (12) in the left side of support (2) through bolt-up mounting, Y type circle (13), spacer ring (14) and retaining ring (15) have set gradually from a left side to the right side between input dish (12) and the output drilling rod (3).

2. The screw power head device for improving the sealing performance of the screw power head device according to claim 1, is characterized in that: the low-speed large-torque motor (1) is provided with two identical motors, the low-speed large-torque motors (1) are symmetrically distributed on two sides of the output drill rod (3), and the low-speed large-torque motor (1) and the support (2) are fastened and installed through bolts.

3. The screw power head device for improving the sealing performance according to claim 1, characterized in that: pinion (4) and gear wheel (6) all are provided with the same two, pinion (4) and gear wheel (6) symmetric distribution are in the both sides of output drilling rod (3), pinion (4) and gear wheel (6) are the meshing connection, gear wheel (6) are the meshing connection with output drilling rod (3).

4. The screw power head device for improving the sealing performance according to claim 1, characterized in that: the drill rod is characterized in that the conical bearing (7), the cylindrical bearing (8) and the oil seal (9) are arranged in the same mode, the conical bearing (7), the cylindrical bearing (8) and the oil seal (9) are installed on the outer side of the output drill rod (3) in a sleeved mode, and the conical bearing (7), the cylindrical bearing (8) and the oil seal (9) are symmetrically distributed on the two sides of the large gear (6).

5. The screw power head device for improving the sealing performance of the screw power head device according to claim 1, is characterized in that: the cylindrical bearing (8) is located between the conical bearing (7) and the oil seal (9), the spacer ring (14) is located between the Y-shaped ring (13) and the retainer ring (15), and the Y-shaped ring (13), the spacer ring (14) and the retainer ring (15) are located inside the input disc (12).

6. The screw power head device for improving the sealing performance according to claim 1, characterized in that: the deep groove bearings (5) are arranged in two identical groups, the two groups of deep groove bearings (5) are symmetrically distributed on two sides of the output drill rod (3), and the deep groove bearings (5) are symmetrically distributed on two sides of the pinion (4).