CN215057183U

CN215057183U - High-performance wear-resistant core pipe

Info

Publication number: CN215057183U
Application number: CN202120421082.2U
Authority: CN
Inventors: 张军
Original assignee: Chengdu Hongjia High Tech Co ltd
Current assignee: Sichuan Huafeng Drilling Engineering Co.,Ltd.
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-12-07
Anticipated expiration: 2031-02-25

Abstract

The utility model discloses a wear-resisting core pipe of high performance, a serial communication port, including being hollow pipy pipe, be provided with the round hole of symmetric distribution on the pipe body on the pipe, the cross section of pipe is circular, the one end of pipe is provided with and cup joints fixing device, the other end of pipe is provided with joint fixing device, the round hole sets up and cup joints between fixing device and the joint fixing device. The beneficial effects of the utility model are that, utilize the joint fixing device card of the pipe other end to catch the drill bit, utilize the interior card spacing ring and fix the drill bit with the first spacing draw-in groove between the outer spacing ring of calorie, be provided with on the drill bit with the joint face that agrees with mutually at the card interface of outer calorie spacing ring upper end symmetry, utilize the joint face with the drill bit joint advance in the pipe, guarantee that the pipe has sufficient moment of torsion to the drill bit, reduce the smooth silk phenomenon that product and main shaft appear, reduce each item cost that the maintenance brought, improve result of use and rate of utilization, reduce many damages that the monomer damaged the bringing.

Description

High-performance wear-resistant core pipe

Technical Field

The utility model relates to a rig unit head technical field, especially a wear-resisting core pipe of high performance.

Background

The power head type drilling machine can realize long-stroke feeding and tower-free lifting, can conveniently lift a drill rod when drilling holes at various angles are constructed, shows obvious superiority in tunnel drilling, and becomes a leading machine type of the tunnel drilling machine in many countries. Especially, the full hydraulic power head type drilling machine can realize the operation linkage through reasonably designing a hydraulic system, and can still reach the lifting speed equivalent to the lifting speed of the long stand with the tower under the condition of screwing and unscrewing a single drill rod, so that the application range of the full hydraulic power head type drilling machine in ground drilling also tends to be continuously expanded. The mechanical power head type drilling machine has the advantages of high transmission efficiency and capability of reducing the weight of the whole machine when the requirements on the speed change range and the gear number are not high. Rock drills, which are more commonly used in production, are successful examples of small power head drills. In large-scale engineering construction drilling machines, mechanical power head structures are also adopted. But in the aspect of geological exploration, the structure of the drilling machine is not as good as that of a full hydraulic power head, and the application is less.

The core tube in the existing power head is generally assembled in a spiral assembly mode or a fixed shaft clamping mode, the core tube is frequently damaged due to the assembly mode, the use effect is not ideal, and the maintenance and replacement cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a high-performance wear-resistant core pipe is designed.

Realize above-mentioned purpose the technical scheme of the utility model be, a wear-resisting core pipe of high performance, including being hollow pipy pipe, be provided with the round hole of symmetric distribution on the pipe shaft on the pipe, the cross section of pipe is circular, the one end of pipe is provided with cup joints fixing device, the other end of pipe is provided with joint fixing device, the round hole sets up and cup joints between fixing device and the joint fixing device.

As right the utility model discloses a further explanation, joint fixing device is including setting up the inside callipers spacing ring on the pipe inner wall, the inside callipers spacing ring is protruding form at the pipe inside, one side of inside callipers spacing ring is provided with the outside spacing ring that blocks, be provided with first spacing draw-in groove between inside callipers spacing ring and the outside spacing ring that blocks, the joint face that is provided with of outside callipers spacing ring both ends symmetry.

As right the utility model discloses a further explain, cup joint fixing device is including setting up the inscription spacing ring on the pipe inner wall, the inscription spacing ring is protruding form inside the pipe, one side of inscription spacing ring is provided with external spacing ring, be provided with the spacing draw-in groove of second between inscription spacing ring and the external spacing ring.

The drill bit has the advantages that the sleeve-joint fixing device at one end of the circular tube is sleeved on the driving device, the circular tube is fixed by the aid of the second limiting clamping groove between the inner limiting ring and the outer limiting ring, the fixed shaft penetrates through the circular hole in the tube body of the circular tube and the driving device to further fix the circular tube, the drill bit is clamped by the clamping fixing device at the other end of the circular tube, the drill bit is fixed by the aid of the first limiting clamping groove between the inner limiting ring and the outer limiting ring, the drill bit is provided with clamping surfaces matched with clamping interfaces symmetrical to two ends of the outer limiting ring, the drill bit is clamped into the circular tube by the aid of the clamping surfaces, the circular tube is guaranteed to have enough torque for the drill bit, the phenomenon of thread slipping of products and a main shaft is reduced, cost brought by maintenance is reduced, using effect and using rate are improved, and multiple damages caused by single damage are reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of another view angle of the present invention;

fig. 3 is a schematic structural view of another view angle of the present invention;

in the figure, 1, a circular tube; 2. a circular hole; 3. a fixed device is sleeved; 4. clamping and connecting the fixing device; 5. an inner clamping limiting ring; 6. an outer clamping limiting ring; 7. a first limiting clamping groove; 8. a clamping surface; 9. a limiting ring is inscribed; 10. a limit ring is externally connected; 11. and a second limiting clamping groove.

Detailed Description

Explaining earlier and proposing the utility model's purpose, the core pipe in the present unit head generally adopts spiral equipment form or dead axle screens form to assemble, and such equipment mode can cause the core pipe damage often to appear, and the result of use is not so ideal, and maintenance replacement cost is higher, so proposed the utility model discloses.

The present invention will be described in detail with reference to the accompanying drawings, as shown in fig. 1 to 3, a high-performance wear-resistant core tube comprises a hollow tubular round tube 1, wherein a round hole 2 is symmetrically distributed on the tube body of the round tube 1, the cross section of the round tube 1 is circular, one end of the round tube 1 is provided with a socket fixing device 3, the other end of the round tube 1 is provided with a clamp fixing device 4, and the round hole 2 is arranged between the socket fixing device 3 and the clamp fixing device 4.

Introduce joint fixing device 4 next, joint fixing device 4 is including setting up interior card spacing ring 5 on 1 inner wall of pipe, interior card spacing ring 5 is protruding form inside pipe 1, one side of interior card spacing ring 5 is provided with outer card spacing ring 6, be provided with first spacing draw-in groove 7 between interior card spacing ring 5 and the outer card spacing ring 6, the symmetrical joint face 8 that is provided with in outer card spacing ring 6 both ends.

Introduce finally and cup joint fixing device 3, cup joint fixing device 3 including setting up inscription spacing ring 9 on 1 inner wall of pipe, inscription spacing ring 9 is protruding form in 1 inside of pipe, one side of inscription spacing ring 9 is provided with external spacing ring 10, be provided with the spacing draw-in groove 11 of second between inscription spacing ring 9 and the external spacing ring 10.

The working principle is as follows: the sleeve fixing device 3 at one end of the circular tube 1 is sleeved on the driving device, the circular tube 1 is fixed by using a second limit clamping groove 11 between an internal limit ring 9 and an external limit ring 10, the fixed shaft passes through a circular hole 2 on the tube body of the circular tube 1 and the driving device to further fix the circular tube 1, the drill bit is clamped by using a clamping fixing device 4 at the other end of the circular tube 1, the drill bit is fixed by using a first limit clamping groove 7 between an internal clamp limit ring 5 and an external clamp limit ring 6, the drill bit is provided with a clamping surface 8 which is matched with the clamping interfaces which are symmetrical at the two ends of the outer clamping limiting ring 6, the drill bit is clamped into the circular tube 1 by utilizing the clamping surface 8, guarantee that pipe 1 has sufficient moment of torsion to the drill bit, reduce the smooth silk phenomenon that product and main shaft appear, reduce each item cost that the maintenance brought, improve result of use and rate of utilization, reduce many damages that the monomer damaged and brought.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The utility model provides a wear-resisting core pipe of high performance, its characterized in that, is including being hollow pipy pipe (1), be provided with round hole (2) of symmetric distribution on pipe (1) pipe shaft on pipe (1), the cross section of pipe (1) is circular, the one end of pipe (1) is provided with cup joints fixing device (3), the other end of pipe (1) is provided with joint fixing device (4), round hole (2) set up in cup joint between fixing device (3) and joint fixing device (4).

2. The high-performance wear-resistant core tube according to claim 1, wherein the clamping fixing device (4) comprises an inner clamping limiting ring (5) arranged on the inner wall of the circular tube (1), the inner clamping limiting ring (5) is convex inside the circular tube (1), an outer clamping limiting ring (6) is arranged on one side of the inner clamping limiting ring (5), a first limiting clamping groove (7) is arranged between the inner clamping limiting ring (5) and the outer clamping limiting ring (6), and clamping surfaces (8) are symmetrically arranged at two ends of the outer clamping limiting ring (6).

3. The high-performance wear-resistant core tube according to claim 1, characterized in that the sleeving and fixing device (3) comprises an internal connection limiting ring (9) arranged on the inner wall of the circular tube (1), the internal connection limiting ring (9) is convex inside the circular tube (1), an external connection limiting ring (10) is arranged on one side of the internal connection limiting ring (9), and a second limiting clamping groove (11) is arranged between the internal connection limiting ring (9) and the external connection limiting ring (10).