CN215444837U

CN215444837U - Drill rod braking device for horizontal directional drilling machine

Info

Publication number: CN215444837U
Application number: CN202120976393.5U
Authority: CN
Inventors: 陈晓雷
Original assignee: Nanjing Sitong Construction Machinery Co ltd
Current assignee: Nanjing Sitong Construction Machinery Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-01-07
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a drill rod braking device for a horizontal directional drilling machine, which comprises a casing, a braking shaft, an end cylinder sleeve and a pneumatic connector, wherein a butt joint groove is formed in one side of the casing, a butt joint block is arranged in the butt joint groove, one end of the butt joint block is fixed with a baffle plate, the braking shaft is connected to the inner side of the baffle plate in a penetrating manner, a handle is fixed on the surface of one side of the baffle plate, a fixed friction plate is arranged on the edge of the casing close to the braking shaft, and the fixed friction plate is connected with a dynamic friction plate. This a drilling rod arresting gear for directional rig of level, the butt joint groove of seting up on fixed butt joint piece in baffle one side and the casing docks, then through handle rotating baffle, the butt joint piece can carry out screw thread locking with the butt joint groove, can accomplish the installation of baffle, otherwise, handheld handle opposite direction rotation can accomplish the dismantlement of baffle to reach and be convenient for dismantle the effect of overhauing to the inside friction disc of drilling rod arresting gear.

Description

Drill rod braking device for horizontal directional drilling machine

Technical Field

The utility model relates to the technical field of drill rod braking devices, in particular to a drill rod braking device for a horizontal directional drilling machine.

Background

The horizontal directional drilling machine is a construction machine for laying various underground utility pipelines, cables and the like under the condition of not excavating the ground surface, has the advantages of high construction speed, low construction precision, low cost and the like, is widely applied to the pipeline laying construction engineering of water supply, gas, electric power, telecommunication, natural gas, petroleum and the like, most of the conventional drilling machine cuts off the power supply when the drill rod of the conventional drilling machine needs to stop running, so that the drill rod loses power support and finally stops running, and the drilling precision drilled by the drill rod is poor under the condition, so a braking device is needed to forcibly brake the drill rod, however, the conventional drilling rod braking device also has the problem that the conventional braking device is inconvenient to disassemble and overhaul internal friction plates, therefore, the conventional braking device needs to be improved, and the maximum effect is achieved.

The rod brake devices for horizontal directional drilling machines currently on the market, although very numerous in type and number, have the following disadvantages: the drill rod braking device is inconvenient to disassemble and overhaul the internal friction plate, the pushing piston of the drill rod braking device is inconvenient to install, and the piston of the drill rod braking device is unstable in the pushing process and easy to deviate. Improvements are therefore needed in the present drill rod braking devices for horizontal directional drilling machines.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drill rod braking device for a horizontal directional drilling machine, which aims to solve the problems that the drill rod braking device in the market at present is inconvenient to disassemble and overhaul an internal friction plate, a pushing piston of the drill rod braking device is inconvenient to install, and the drill rod braking device is unstable in the piston pushing process and easy to deviate.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a drilling rod arresting gear for directional rig of level, includes casing, brake shaft, end cylinder liner and pneumatic connector, the butt joint groove has been seted up to one side of casing, the inside in butt joint groove is provided with butt joint piece, butt joint piece's one end is fixed with the baffle, brake shaft through connection is in the inboard of baffle, the fixed surface of baffle one side has the handle, the edge that the casing is close to the brake shaft is provided with the piece of deciding the friction, decide the friction piece and be connected with the dynamic friction piece.

Preferably, the butt-joint block is in a circular ring shape, the size of the butt-joint block is matched with that of the butt-joint groove, the surface of the butt-joint block is in a threaded shape, and the butt-joint block and the butt-joint groove are in threaded connection.

Preferably, a limiting groove is formed in one side, away from the butt joint groove, of the casing, a limiting block is arranged inside the limiting groove, the end cylinder sleeve is fixed to one end of the limiting block, a sealing gasket is arranged on the surface of the inner wall of the end cylinder sleeve, the sealing gasket is connected with the piston, the limiting block is arc-shaped, the size of the limiting block is matched with that of the limiting groove, and the limiting block forms a plug-in structure with the casing through the limiting groove.

Preferably, the shape of the sealing gasket is circular ring shape, and the maximum diameter of the sealing gasket is matched with the inner diameter of the end cylinder sleeve.

Preferably, a sliding groove is formed in the end cylinder sleeve, a sliding block is arranged in the sliding groove, one end of the sliding block is fixed with the piston, and the air pressure joint is arranged on one side of the end cylinder sleeve.

Preferably, the sliding blocks are distributed at equal included angles relative to the axial line of the piston, the size of each sliding block is matched with that of the corresponding sliding groove, and the sliding blocks form a sliding structure with the end cylinder sleeve through the sliding grooves.

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

(1) the drill rod braking device for the horizontal directional drilling machine is characterized in that a butt joint block fixed on one side of a baffle is in butt joint with a butt joint groove formed in a casing, then the baffle is rotated through a handle, the butt joint block and the butt joint groove are locked in a threaded mode, and therefore the installation of the baffle can be completed, otherwise, the handle is held by a hand to rotate in the opposite direction, and the disassembly of the baffle can be completed, so that the effect of conveniently disassembling and overhauling a friction plate in the drill rod braking device is achieved;

(2) according to the drill rod braking device for the horizontal directional drilling machine, the limiting block fixed on one side of the end cylinder sleeve is butted with the limiting groove formed in the casing, the end cylinder sleeve can be preliminarily installed after the limiting block is butted, and then the end cylinder sleeve is fixed with the casing by penetrating through the end cylinder sleeve through the fixing bolt, so that the effect of conveniently installing the piston is achieved;

(3) this a drilling rod arresting gear for horizontal directional drilling machine injects this arresting gear with high-pressure gas through atmospheric pressure joint, and high-pressure gas then can promote the inside piston of end cylinder liner and remove, and the piston removes the extrusion and moves the friction disc, moves the friction disc and then can produce the high strength friction with deciding the friction disc extrusion, can brake the drilling rod, and the removal in-process of piston, the slider can be at the inside removal of spout to reach the stable effect that promotes of piston.

Drawings

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

FIG. 2 is a schematic right-view structural view of the baffle of the present invention;

FIG. 3 is a left side view schematic illustration of the end liner of the present invention;

FIG. 4 is a left side cross-sectional structural view of the end cylinder liner of the present invention.

In the figure: 1. a housing; 2. a butt joint groove; 3. a butt joint block; 4. a baffle plate; 5. a brake shaft; 6. a handle; 7. fixing a friction plate; 8. a dynamic friction plate; 9. a limiting groove; 10. a limiting block; 11. an end cylinder sleeve; 12. fixing the bolt; 13. a gasket; 14. a piston; 15. a chute; 16. a slider; 17. a pneumatic joint.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a drilling rod arresting gear for horizontal directional drilling machine, includes casing 1, butt joint groove 2, butt joint piece 3, baffle 4, brake axle 5, handle 6, decides friction disc 7, dynamic friction piece 8, spacing groove 9, stopper 10, end cylinder liner 11, fixing bolt 12, sealed pad 13, piston 14, spout 15, slider 16 and pneumatic connector 17, butt joint groove 2 has been seted up to one side of casing 1, the inside of butt joint groove 2 is provided with butt joint piece 3, the one end of butt joint piece 3 is fixed with baffle 4, brake axle 5 through connection is in the inboard of baffle 4, the fixed surface of baffle 4 one side has handle 6, the edge that casing 1 is close to brake axle 5 is provided with decides friction disc 7, decide friction disc 7 and dynamic friction piece 8 and be connected.

Butt joint piece 3's shape is the ring shape, and butt joint piece 3's size and butt joint groove 2's size phase-match to butt joint piece 3's surface is the screw thread form, constitutes threaded connection between butt joint piece 3 and the butt joint groove 2 moreover, can accomplish the installation and the dismantlement of baffle 4 through the rotation, thereby reach the effect of being convenient for overhaul brake device inside.

Spacing groove 9 has been seted up to one side that butt joint groove 2 was kept away from to casing 1, the inside of spacing groove 9 is provided with stopper 10, end cylinder sleeve 11 is fixed with the one end of stopper 10, the inner wall surface of end cylinder sleeve 11 is provided with sealed pad 13, sealed pad 13 is connected with piston 14, the shape of stopper 10 is arc, and the size of stopper 10 and the size phase-match of spacing groove 9 to stopper 10 constitutes grafting structure through between spacing groove 9 and the casing 1, through the butt joint of stopper 10 and spacing groove 9, can accomplish the primary erection of end cylinder sleeve 11.

The shape of the sealing gasket 13 is circular ring, the maximum diameter of the sealing gasket 13 is matched with the inner diameter of the end cylinder sleeve 11, and the sealing gasket 13 plays a sealing role.

The end cylinder sleeve 11 is internally provided with a sliding groove 15, the sliding groove 15 is internally provided with a sliding block 16, one end of the sliding block 16 is fixed with the piston 14, the air pressure joint 17 is arranged on one side of the end cylinder sleeve 11, high-pressure air is connected into the air pressure joint 17 to push the piston 14 to move, and the piston 14 moves to extrude the friction plate 8, so that the braking effect is achieved.

The sliding blocks 16 are distributed at equal included angles relative to the axial line of the piston 14, the size of each sliding block 16 is matched with that of the corresponding sliding groove 15, the sliding blocks 16 form a sliding structure with the end cylinder sleeve 11 through the sliding grooves 15, and the sliding blocks 16 move in the sliding grooves 15, so that the piston 14 can be moved more stably, and the piston 14 is prevented from deviating.

The working principle is as follows: when the drill rod braking device for the horizontal directional drilling machine is used, firstly, the butt joint block 3 fixed on one side of the baffle 4 is butted with the butt joint groove 2 formed in the machine shell 1, then the baffle 4 is rotated through the handle 6, the butt joint block 3 can be in threaded locking with the butt joint groove 2, the installation of the baffle 4 can be completed, the baffle 4 can be disassembled by rotating the handle 6 reversely, secondly, the limiting block 10 fixed on one side of the end cylinder sleeve 11 is butted with the limiting groove 9 formed in the machine shell 1, the preliminary installation of the end cylinder sleeve 11 can be completed after the limiting block 10 is butted, then the end cylinder sleeve 11 is penetrated through by the fixing bolt 12 to be fixed with the machine shell 1, finally, the drill rod of the drilling machine is connected with the braking shaft 5 of the braking device, when the drill rod needs to be braked, high-pressure gas is injected into the braking device through the gas pressure joint 17, the high-pressure gas can push the piston 14 in the end cylinder sleeve 11 to move, the piston 14 moves to extrude the dynamic friction plate 8, the dynamic friction plate 8 can extrude with the fixed friction plate 7 to generate high-strength friction, the drill rod can be braked, and the sliding block 16 can move in the sliding groove 15 in the moving process of the piston 14, so that the piston 14 is pushed more stably and cannot deviate, and the content which is not described in detail in the description belongs to the prior art which is well known by persons skilled in the art.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a drilling rod arresting gear for directional rig of level, includes casing (1), brake axle (5), end cylinder liner (11) and air pressure joint (17), butt joint groove (2), its characterized in that have been seted up to one side of casing (1): butt joint piece (3) is provided with to the inside in groove (2), the one end and baffle (4) of butt joint piece (3) are fixed, brake shaft (5) through connection is in the inboard of baffle (4), the fixed surface of baffle (4) one side has handle (6), the edge that casing (1) is close to brake shaft (5) is provided with decides friction disc (7), decide friction disc (7) and move friction disc (8) and be connected.

2. The drill rod braking device for a horizontal directional drilling machine as claimed in claim 1, wherein: the butt joint block (3) is in a circular ring shape, the size of the butt joint block (3) is matched with that of the butt joint groove (2), the surface of the butt joint block (3) is in a threaded shape, and the butt joint block (3) is in threaded connection with the butt joint groove (2).

3. The drill rod braking device for a horizontal directional drilling machine as claimed in claim 1, wherein: spacing groove (9) have been seted up to one side that butt joint groove (2) was kept away from in casing (1), the inside of spacing groove (9) is provided with stopper (10), end cylinder liner (11) are fixed with the one end of stopper (10), the inner wall surface of end cylinder liner (11) is provided with sealed pad (13), sealed pad (13) are connected with piston (14), the shape of stopper (10) is arc, and the size of stopper (10) and the size phase-match of spacing groove (9) to stopper (10) are through constituting grafting structure between spacing groove (9) and casing (1).

4. A drill rod braking device for a horizontal directional drilling machine as claimed in claim 3, wherein: the shape of the sealing gasket (13) is circular ring, and the maximum diameter of the sealing gasket (13) is matched with the inner diameter of the end cylinder sleeve (11).

5. A drill rod braking device for a horizontal directional drilling machine as claimed in claim 3, wherein: the end cylinder sleeve is characterized in that a sliding groove (15) is formed in the end cylinder sleeve (11), a sliding block (16) is arranged in the sliding groove (15), one end of the sliding block (16) is fixed with a piston (14), and an air pressure joint (17) is arranged on one side of the end cylinder sleeve (11).

6. The drill rod braking device for a horizontal directional drilling machine as claimed in claim 5, wherein: the sliding blocks (16) are distributed at equal included angles relative to the axial lead of the piston (14), the size of each sliding block (16) is matched with that of the sliding groove (15), and the sliding blocks (16) form a sliding structure with the end cylinder sleeve (11) through the sliding grooves (15).