CN218563618U

CN218563618U - Coring drill unit head structure

Info

Publication number: CN218563618U
Application number: CN202222926788.1U
Authority: CN
Inventors: 陈传洪; 石思旭; 肖燕; 田怀波; 李群峰
Original assignee: Chongqing Honggong Engineering Machinery Co ltd
Current assignee: Chongqing Honggong Engineering Machinery Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-03
Anticipated expiration: 2032-11-03

Abstract

The utility model relates to a tunnel is got core and is bored technical field, specifically is a core drill unit head structure, including pushing away the mandrel, the gyration fixed axle, the second gear, the gyration shell, bore a section of thick bamboo connection pad, the tooth case, first bearing, bore a section of thick bamboo, driving motor, first gear, oil blanket and second bearing, the fixed external fixation of gyration fixed axle connects in the outside of pushing away the mandrel, the bottom fixedly connected with tooth case of gyration fixed axle one end, the tooth incasement has first gear through bearing and axle installation, driving motor is installed to the outer wall of tooth case one side, the utility model discloses the structure is ingenious and simple, bores a section of thick bamboo and unit head formula design as an organic whole, compares in the design that bores a section of thick bamboo and unit head split, has guaranteed a section of thick bamboo and has pushed away the depth of parallelism of mandrel, greatly reduced the emergence of disconnected core condition, also reduced the condition of first gear and second gear wearing and tearing simultaneously, has guaranteed the life of gear, bores a section of thick bamboo and rotates with the second gear is synchronous, has reduced the consumption of kinetic energy.

Description

Coring drill unit head structure

Technical Field

The utility model relates to a tunnel is got core and is bored technical field, specifically is a core drill unit head structure.

Background

The tunnel core drill is the necessary equipment for tunnel construction, the power head structure of the core drill is the core component of the core drill, the drill cylinder and the power head of most tunnel core drills on the current market are separated, the transmission is carried out in a grading way, the parallelism of the drill cylinder and the core pushing rod (shaft) is difficult to guarantee, so that the core breaking occurs when the tunnel core drill works, and the parallelism of the drill cylinder and the core pushing rod (shaft) is difficult to guarantee, the transmission gear in the gear box is easy to be stressed unevenly, the abrasion is intensified, and the service life of the tunnel core drill is further shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a core drill unit head structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a core drill unit head structure, is including pushing away mandrel, gyration fixed axle and gyration shell, the fixed cover of gyration fixed axle connects in the outside of pushing away the mandrel, the bottom fixedly connected with tooth case of gyration fixed axle one end, the tooth incasement has first gear through bearing and axle installation, driving motor is installed to the outer wall of tooth case one side, driving motor's rotation end and the axle fixed connection of installing first gear, the fixed cover in outside of gyration fixed axle has the second bearing, the fixed cover in outer lane of second bearing has connect the second gear, second gear and first gear intermeshing, one side fixed connection of second gear is in the one end of gyration shell, the one end fixedly connected with who keeps away from the second gear of gyration shell bores a section of thick bamboo.

Preferably, the second gear is fixedly connected with the rotary shell through a plurality of fastening screws.

Preferably, the outer wall of the end, far away from the second gear, of the rotary fixing shaft is fixedly sleeved with a first bearing, and the rotary shell is fixedly sleeved on an outer ring of the first bearing.

Preferably, one end of the rotary shell, which is far away from the second gear, is fixedly provided with a drill cylinder connecting disc through a plurality of fastening screws, and the drill cylinder is welded on one side of the drill cylinder connecting disc.

Preferably, oil seal mounting grooves are formed in the positions, close to each other, of the drilling cylinder connecting disc and the rotary fixing shaft, and oil seals are mounted in the oil seal mounting grooves.

The push spindle, the rotary fixed shaft and the second gear are arranged on the rotary fixed shaft; the axle center that gyration shell, bore a section of thick bamboo connection pad and bore a section of thick bamboo is the same, it is hollow structure to push away the mandrel, and hollow structure is used for the tunnel to get the core filling of water when the core is got to the core rig.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the structure is ingenious and simple, bores a section of thick bamboo and the design of unit head formula as an organic whole, compares in the design of boring a section of thick bamboo and unit head split, has guaranteed to bore a section of thick bamboo and has pushed away the depth of parallelism of mandrel, greatly reduced the emergence of disconnected core condition, also reduced the condition of first gear and second gear wearing and tearing simultaneously, guaranteed the life of gear, bore a section of thick bamboo and the synchronous rotation of second gear, reduced the consumption of kinetic energy.

Drawings

FIG. 1 is a schematic view of the sectional structure of the present invention;

fig. 2 is a schematic view of the three-dimensional structure of the present invention.

In the figure: 1. pushing the mandrel; 2. a rotating fixed shaft; 3. a second gear; 4. a swivel housing; 5. a drill cylinder connecting disc; 6. a tooth box; 7. a first bearing; 8. drilling a barrel; 9. a drive motor; 10. a first gear; 11. oil sealing; 12. a second bearing.

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 the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a core drill unit head structure, including push away mandrel 1, gyration fixed axle 2 and gyration shell 4, the fixed cover of gyration fixed axle 2 connects in the outside of push away mandrel 1, the bottom fixedly connected with tooth case 6 of 2 one ends of gyration fixed axle, install first gear 10 through bearing and axle in the tooth case 6, driving motor 9 is installed to the outer wall of tooth case 6 one side, driving motor 9's rotation end and the axle fixed connection of installing first gear 10, the fixed cover of outside of gyration fixed axle 2 has connect second bearing 12, the fixed cover of outer lane of second bearing 12 has connect second gear 3, second gear 3 and first gear 10 intermeshing, one side fixed connection of second gear 3 is in the one end of gyration shell 4, second gear 3 is through many fastening screws and gyration shell 4 fixed connection, the one end fixedly connected with of second gear 3 bores a section of thick bamboo 8 is kept away from to gyration shell 4.

Furthermore, the outer wall of the end of the rotary fixing shaft 2 far away from the second gear 3 is fixedly sleeved with a first bearing 7, and the rotary shell 4 is fixedly sleeved on an outer ring of the first bearing 7.

Furthermore, one end of the rotary shell 4, which is far away from the second gear 3, is fixedly provided with a drill cylinder connecting disc 5 through a plurality of fastening screws, and the drill cylinder 8 is welded on one side of the drill cylinder connecting disc 5.

Furtherly, bore a connecting pad 5 and gyration fixed axle 2 and all seted up the oil blanket mounting groove near each other, install oil blanket 11 in the oil blanket mounting groove, water adds in by pushing away the hollow of mandrel 1 when the core is got to the tunnel core drill, and gyration fixed axle 2 and oil blanket 11 between the connection pad 5 have avoided pushing away the water refluence in mandrel 1 to tooth case 6 in, have ensured the life of tooth case 6.

Further, a push spindle 1, a rotary fixed shaft 2 and a second gear 3; the axes of the rotary shell 4, the drill cylinder connecting disc 5 and the drill cylinder 8 are the same, the push spindle 1 is of a hollow structure, and the hollow structure is used for filling water when the tunnel core drill rig cores.

The working process of the utility model is as follows:

as shown in fig. 1-2, when the device is used, the driving motor 9 drives the first gear 10 to rotate, because the first gear 10 is meshed with the second gear 3, the second gear 3 is installed on the rotary fixed shaft 2 through the second bearing 12, one side of the second gear 3 is fixedly connected with one end of the rotary shell 4, when the first gear 10 rotates, the whole rotary shell 4 is driven to rotate, because the one end of the rotary shell 4 is fixedly provided with the drill barrel 8, the drill barrel 8 rotates synchronously along with the rotary shell 4, water is added from the hollow interior of the push rod shaft 1 when the tunnel core drill takes a core, the oil seal 11 between the rotary fixed shaft 2 and the drill barrel connecting disc 5 avoids the water in the push rod shaft 1 from flowing back to the tooth box 6, the service life of the tooth box 6 is ensured, the utility model discloses the structure is ingenious and simple, compared with the design of the split type of the drill barrel and the power head, the design of the drill barrel 8 and the power head are integrated type, the parallelism of the drill barrel and the push rod shaft 1 is ensured, the occurrence of the core breaking condition is greatly reduced, the abrasion of the first gear 10 and the second gear 3 are synchronously reduced, and the kinetic energy of the drill barrel 3 is reduced.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a core drill unit head structure, is including pushing away mandrel, gyration fixed axle and gyration shell, its characterized in that: the fixed cover of gyration fixed axle is fixed and is being connected in the outside of pushing away the mandrel, the bottom fixedly connected with tooth case of gyration fixed axle one end, the tooth incasement is installed with the axle through the bearing, driving motor is installed to the outer wall of tooth case one side, driving motor's rotation end and the axle fixed connection of installing first gear, the fixed cover in outside of gyration fixed axle has cup jointed the second bearing, the fixed cup joint in outer lane of second bearing has the second gear, second gear and first gear intermeshing, one side fixed connection of second gear is in the one end of gyration shell, the one end fixedly connected with drill barrel of second gear is kept away from to the gyration shell.

2. A coring drill head structure as claimed in claim 1, wherein: the second gear is fixedly connected with the rotary shell through a plurality of fastening screws.

3. A coring drill head structure as claimed in claim 1, wherein: the outer wall of one end, far away from the second gear, of the rotary fixed shaft is fixedly sleeved with a first bearing, and the rotary shell is fixedly sleeved on an outer ring of the first bearing.

4. The coring drill head structure of claim 1, wherein: one end of the rotary shell, which is far away from the second gear, is fixedly provided with a drill cylinder connecting disc through a plurality of fastening screws, and the drill cylinder is welded on one side of the drill cylinder connecting disc.

5. The coring drill head structure of claim 4, wherein: oil seal mounting grooves are formed in the positions, close to each other, of the drill cylinder connecting disc and the rotary fixing shaft, and oil seals are mounted in the oil seal mounting grooves.