CN216553753U

CN216553753U - Air supply elevator for heavy-caliber down-the-hole hammer

Info

Publication number: CN216553753U
Application number: CN202122925611.5U
Authority: CN
Inventors: 赵业臣; 鄢承良; 景奉征; 赵业春
Original assignee: Shandong Haozhou Geothermal Engineering Co ltd
Current assignee: Haozhou Drilling Engineering Machinery Shandong Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-17
Anticipated expiration: 2031-11-26

Abstract

The utility model relates to the technical field of down-the-hole hammers, in particular to an air feeding elevator of a heavy-caliber down-the-hole hammer, which adopts the technical scheme that the air feeding elevator comprises: the water faucet comprises a first outer barrel, supporting blocks, a connecting shaft, a second outer barrel, a transmission shaft and roller bearings, wherein the second outer barrel is installed on one side of the outer wall of the lower end of the first outer barrel, the supporting blocks are installed on one side of the upper end of the inner wall of the second outer barrel, the roller bearings are installed on one side of the inner wall of the supporting blocks and one side of the lower end of the inner wall of the second outer barrel, the transmission shaft is installed inside the roller bearings in a rotating mode, a water faucet sealing box is installed on one side of the outer wall of the upper end of the supporting blocks, and the connecting shaft is arranged inside the supporting blocks and the transmission shaft. According to the utility model, through arranging the supporting block, the connecting shaft and the transmission shaft, the effect of convenient disassembly and maintenance is achieved, the purpose of convenient disassembly and maintenance of the connecting shaft is achieved, the disassembly and maintenance efficiency of the equipment is improved, the shock absorber body achieves the purpose of relieving the shock amplitude of the equipment during working, and the service life of the equipment is prolonged.

Description

Air supply elevator for heavy-caliber down-the-hole hammer

Technical Field

The utility model relates to the technical field of down-the-hole hammers, in particular to an air feeding elevator for a large-diameter down-the-hole hammer.

Background

The hydraulic down-the-hole hammer is a generator of impact load in hydraulic impact rotary drilling, and directly drives the impact hammer in the hydraulic hammer to form up-and-down reciprocating motion by utilizing the energy in flushing liquid supplied by a slurry pump in the drilling process, and continuously applies impact load with certain frequency to a lower drilling tool, thereby realizing impact rotary drilling.

Through mass retrieval, the typical pneumatic down-the-hole hammer three-channel multifunctional water faucet disclosed as CN104695882B in the prior art is found, a down-the-hole hammer air supply pipeline for supplying an air source to the down-the-hole hammer for working, an air lift reverse circulation air supply pipeline for supplying the air source to realize air lift slag removal and a slag removal pipeline for discharging broken stones and sundries in construction are arranged in a water faucet main body, and a connecting piece for connecting a drill rod is arranged at the bottom end of the water faucet main body. The three-channel water faucet structure is adopted, three pipelines of down-the-hole hammer air supply, gas lift reverse circulation air supply and slag discharge can operate independently, the slag discharge efficiency is high, and the three pipelines are safe and environment-friendly.

The down-the-hole hammer has large vibration force in construction, the air supply elevator is easy to damage, the elevator device used by the existing down-the-hole hammer is inconvenient to disassemble, and lacks of buffer equipment, the service life of the air supply elevator is seriously influenced, and the down-the-hole hammer is not beneficial to equipment use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air delivery elevator for a large-diameter down-the-hole hammer, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: heavy-calibre down-the-hole hammer air feed elevator, including first urceolus, supporting shoe, connecting axle, second urceolus, transmission shaft and roller bearing, the second urceolus is installed to first urceolus lower extreme outer wall one side, the supporting shoe is installed to second urceolus inner wall upper end one side, roller bearing is all installed to supporting shoe inner wall one side and second urceolus inner wall lower extreme one side, the transmission shaft is installed in the inside rotation of roller bearing, tap seal box is installed to supporting shoe upper end outer wall one side, supporting shoe and the inside connecting axle that is provided with of transmission shaft.

Preferably, the transmission shaft penetrates through the outer wall of one side of the second outer cylinder and is provided with a damper body. The shock absorber body has reached the vibrations range of alleviating equipment during operation.

Preferably, the lower end of the inner wall of the second outer cylinder is provided with a supporting framework, and the supporting framework is in contact with the outer wall of the transmission shaft. The supporting framework ensures the sealing property of the second outer cylinder and the transmission shaft, and prevents external foreign matters from entering through a gap between the second outer cylinder and the transmission shaft.

Preferably, the lower end of the outer wall on one side of the connecting shaft is symmetrically attached and fixed with a sealing ring, and the sealing ring is in contact with the inner wall of the transmission shaft. The sealing ring ensures the sealing performance between the connecting shaft and the transmission shaft.

Preferably, a rubber ring is fixedly attached to one side of the inner wall of the supporting block, and the inner wall of the rubber ring is in contact with the connecting shaft. The rubber ring ensures the sealing performance between the supporting block and the connecting shaft.

Preferably, one end of the water tap sealing box is positioned outside the first outer barrel.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the supporting block, the connecting shaft and the transmission shaft are arranged, so that the effect of convenient disassembly and maintenance is achieved, the first outer cylinder and the second outer cylinder are separated from each other by disassembling the second outer cylinder by an operator, the sealing box of the faucet is exposed, the connecting shaft is exposed by disassembling the operator through the supporting block, the connecting shaft achieves the purpose of disassembly and replacement, the purpose of convenient disassembly and maintenance of the connecting shaft is achieved, the disassembly and maintenance efficiency of equipment is improved, the vibration amplitude of the equipment during working is relieved by the damper body, and the service life of the equipment is prolonged.

Drawings

Fig. 1 is a schematic sectional view of the first outer cylinder structure of the present invention.

In the figure: 1. a first outer barrel; 2. a faucet seal box; 3. a support block; 4. a connecting shaft; 5. a second outer barrel; 6. a drive shaft; 7. a damper body; 8. a support framework; 9. a roller bearing; 10. a seal ring; 11. a rubber ring.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, an embodiment of the present invention: the air feeding elevator of the heavy-calibre down-the-hole hammer comprises a first outer cylinder 1, supporting blocks 3, a connecting shaft 4, a second outer cylinder 5, a transmission shaft 6 and roller bearings 9, wherein the second outer cylinder 5 is installed on one side of the outer wall of the lower end of the first outer cylinder 1, the supporting blocks 3 are installed on one side of the upper end of the inner wall of the second outer cylinder 5, a rubber ring 11 is fixedly attached to one side of the inner wall of the supporting blocks 3, the inner wall of the rubber ring 11 is in contact with the connecting shaft 4, the rubber ring 11 ensures the sealing property between the supporting blocks 3 and the connecting shaft 4, a flange plate is arranged on the upper end of the connecting shaft 4 and can adjust the tightness between the rubber ring 11 and the connecting shaft 4, the roller bearings 9 are installed on one side of the inner wall of the supporting blocks 3 and one side of the lower end of the inner wall of the second outer cylinder 5, the transmission shaft 6 is rotatably installed inside the roller bearings 9, the roller bearings 9 ensure the stability of the rotating position of the transmission shaft 6, and a damper body 7 is arranged on the outer wall of one side of the second outer cylinder 5, the shock absorber body 7 achieves the purpose of relieving the vibration amplitude of the equipment during working, and the service life of the equipment is prolonged.

The lower end of the inner wall of the second outer barrel 5 is provided with a supporting framework 8, the supporting framework 8 is contacted with the outer wall of the transmission shaft 6, the supporting framework 8 ensures the sealing property of the second outer barrel 5 and the transmission shaft 6, and prevents external foreign matters from entering through a gap between the second outer barrel 5 and the transmission shaft 6, a tap sealing box 2 is installed on one side of the outer wall of the upper end of the supporting block 3, one end of the tap sealing box 2 is positioned outside the first outer barrel 1, a connecting shaft 4 is arranged inside the supporting block 3 and the transmission shaft 6, the lower end of the outer wall of one side of the connecting shaft 4 is symmetrically attached and fixed with a sealing ring 10, the sealing ring 10 is contacted with the inner wall of the transmission shaft 6, the sealing property between the connecting shaft 4 and the transmission shaft 6 is ensured by the sealing ring 10, a worker separates the first outer barrel 1 and the second outer barrel 5 by detaching the second outer barrel 5, thereby exposing the tap sealing box 2, and the worker detaches the supporting block 3, therefore, the connecting shaft 4 is exposed, the connecting shaft 4 can be detached and replaced, the connecting shaft 4 is convenient to detach and maintain, and the detaching and maintaining efficiency of the equipment is improved.

The working principle is as follows: the staff makes first urceolus 1 and second urceolus 5 break away from mutually through dismantling second urceolus 5 to expose tap seal box 2, the staff is through dismantling supporting shoe 3, thereby expose connecting axle 4, connecting axle 4 has reached the purpose that can dismantle the change, the purpose of connecting axle 4 is maintained in convenient to detach has been reached, the dismantlement maintenance efficiency of equipment has been improved, and bumper shock absorber body 7 has reached the purpose of alleviating the range of vibration of equipment during operation, the life of equipment has been improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Heavy-calibre down-the-hole hammer air feed elevator, including first urceolus (1), supporting shoe (3), connecting axle (4), second urceolus (5), transmission shaft (6) and roller bearing (9), its characterized in that: second urceolus (5) are installed to first urceolus (1) lower extreme outer wall one side, supporting shoe (3) are installed to second urceolus (5) inner wall upper end one side, roller bearing (9) are all installed to supporting shoe (3) inner wall one side and second urceolus (5) inner wall lower extreme one side, roller bearing (9) internal rotation installs transmission shaft (6), tap seal box (2) are installed to supporting shoe (3) upper end outer wall one side, supporting shoe (3) and transmission shaft (6) inside are provided with connecting axle (4).

2. The heavy caliber down-the-hole hammer air feed elevator of claim 1, wherein: the transmission shaft (6) penetrates through the outer wall of one side of the second outer barrel (5) and is provided with a damper body (7).

3. The heavy caliber down-the-hole hammer air feed elevator of claim 1, wherein: the lower end of the inner wall of the second outer barrel (5) is provided with a supporting framework (8), and the supporting framework (8) is in contact with the outer wall of the transmission shaft (6).

4. The heavy caliber down-the-hole hammer air feed elevator of claim 1, wherein: the sealing ring (10) is symmetrically attached and fixed to the lower end of the outer wall of one side of the connecting shaft (4), and the sealing ring (10) is in contact with the inner wall of the transmission shaft (6).

5. The heavy caliber down-the-hole hammer air feed elevator of claim 1, wherein: and a rubber ring (11) is attached and fixed to one side of the inner wall of the supporting block (3), and the inner wall of the rubber ring (11) is in contact with the connecting shaft (4).

6. The heavy caliber down-the-hole hammer air feed elevator of claim 1, wherein: one end of the water tap sealing box (2) is positioned at the outer side of the first outer barrel (1).