Cutting pick welding equipment for heading machine

Abstract

The utility model relates to the field of cutting pick welding, in particular to heading machine cutting pick welding equipment which comprises a cylinder, a rotating protrusion is welded to the center of the outer wall of the cylinder, the outer wall, located at the rotating protrusion, of the cylinder is connected with a rotating sleeve in a sliding mode, a ball head is welded to the center of the outer wall of the bottom end of the rotating sleeve, and a connecting base is arranged at the bottom end of the ball head. A movable groove is formed in the center of the top of the connecting base, a tripod is installed on the outer wall of the bottom of the connecting base, a threaded groove is formed in the outer wall of the top end of the connecting base, and contraction grooves distributed at equal intervals are formed in the outer wall of the top of the connecting base. The fixing screws are screwed into the fixing holes to fix the cutting picks in the cylinder, the fastening nuts on the outer walls of the fastening screws are loosened, the cylinder of the rotating sleeve is rotated through the handle, the fracture positions of the cutting picks are adjusted, welding coincidence of the cutting picks is facilitated, the cutting picks are convenient to adjust, auxiliary welding is facilitated, the cutting picks are prevented from being supported manually, and welding stability is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of pick welding, in particular to a pick welding device for a tunnel boring machine. Background Art

[0002] A roadheader is a machine specially used for underground engineering excavation. Its working principle is to use power to drive cutting tools to cut and crush rocks, soil and other materials. Cutters are divided into coal mining machine cutters and roadheader cutters, which are parts of mining and excavation machines.

[0003] During operation, the tunnel boring machine grinds the stones through the friction between the picks and the stones, and finally transports them away. The metal strength of the picks is high, and the picks may break during use. If the cost of replacing new picks is high, the broken picks will be welded and then continued to be used. However, the picks need to be fixed during welding, and the picks are heavy, so fixing the picks is inconvenient, resulting in the subsequent welded picks still being prone to breakage. Utility Model Content

[0004] The purpose of the utility model is to address the above-mentioned problems and shortcomings and to propose a cutting tooth welding device for a tunnel boring machine: a fixing screw is screwed into a fixing hole to fix the cutting tooth inside the cylinder, a fixing nut on the outer wall of the fixing screw is loosened, and the cylinder of the rotating sleeve is rotated by a handle to adjust the fracture position of the cutting tooth to facilitate the welding overlap of the cutting tooth, facilitate the adjustment of the cutting tooth, facilitate auxiliary welding, avoid manual support of the cutting tooth, ensure welding stability, and solve the problem of unstable fixing of the cutting tooth.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A tunnel boring machine pick welding device comprises a cylinder, a rotating protrusion welded at the center of the outer wall of the cylinder, and a rotating sleeve is slidably connected to the outer wall of the cylinder located at the rotating protrusion, a ball head is welded at the center of the bottom outer wall of the rotating sleeve, and a connecting seat is provided at the bottom end of the ball head, a movable groove is provided at the center of the top of the connecting seat, and a tripod is installed on the bottom outer wall of the connecting seat, a threaded groove is provided on the top outer wall of the connecting seat, and shrinkage grooves distributed at equal distances are provided on the top outer wall of the connecting seat.

[0007] Preferably, the outer wall of the connecting seat is threadedly connected to a threaded tube, and the inner wall of the top end of the threaded tube is inclined inward, and the outer wall of one end of the ball head is slidably connected to the movable groove.

[0008] Preferably, a fastening screw is welded at the center of the outer wall of the rotating protrusion, and a rotating hole is opened at one end of the outer wall of the rotating sleeve, a fastening nut is threadedly connected to the outer wall of the fastening screw, and the outer wall of the bottom of the fastening nut is in contact with the outer wall of the rotating sleeve;

[0009] According to the above scheme: screw the fixing screw into the fixing hole to fix the pick inside the cylinder, loosen the fastening nut on the outer wall of the fastening screw, rotate the cylinder of the rotating sleeve through the handle, adjust the fracture position of the pick to facilitate the welding overlap of the pick, facilitate the adjustment of the pick, facilitate auxiliary welding, avoid manual support of the pick, and ensure welding stability.

[0010] Preferably, a handle is welded to the outer wall of the other end of the cylinder, and the outer wall of the fastening screw is slidably connected to the rotating hole of the rotating sleeve.

[0011] Preferably, the outer walls at both ends of the cylinder are provided with fixing holes distributed at equal distances, and fixing screws are threadedly connected in the fixing holes.

[0012] Preferably, the outer wall of the cylinder is provided with weight-reducing holes distributed at equal distances.

[0013] The beneficial effects of the utility model are:

[0014] 1. Screw the fixing screw into the fixing hole to fix the pick inside the cylinder, loosen the fastening nut on the outer wall of the fastening screw, rotate the cylinder of the rotating sleeve by the handle, adjust the fracture position of the pick to facilitate the welding overlap of the pick, facilitate the adjustment of the pick, facilitate auxiliary welding, avoid human support of the pick, and ensure welding stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the rotary sleeve structure of a tunnel boring machine pick welding device proposed in the utility model;

[0016] Figure 2 This is a schematic diagram of the connecting seat structure of a tunnel boring machine pick welding device proposed in the utility model;

[0017] Figure 3 The utility model is a schematic diagram of the overall structure of a tunnel boring machine pick welding device.

[0018] In the figure: 1 cylinder, 2 rotating protrusion, 3 rotating sleeve, 4 ball head, 5 connecting seat, 6 movable groove, 7 threaded groove, 8 threaded tube, 9 tripod, 10 contraction groove, 11 fastening screw, 12 fastening nut, 13 rotating hole, 14 handle, 15 fixing hole, 16 fixing screw, 17 weight reduction hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Example:

[0021] Reference Figure 1-3A tunnel boring machine pick welding device comprises a cylinder 1, a rotating protrusion 2 is welded at the center of the outer wall of the cylinder 1, and a rotating sleeve 3 is slidably connected to the outer wall of the cylinder 1 at the rotating protrusion 2, a ball head 4 is welded at the center of the outer wall of the bottom end of the rotating sleeve 3, and a connecting seat 5 is provided at the bottom end of the ball head 4, a movable groove 6 is opened at the center of the top of the connecting seat 5, and a tripod 9 is installed on the bottom outer wall of the connecting seat 5, a threaded groove 7 is opened on the top outer wall of the connecting seat 5, and shrinkage grooves 10 distributed at equal distances are opened on the top outer wall of the connecting seat 5. The cylinder 1 of the rotating sleeve 3 is rotated by the handle 14 to adjust the fracture position of the pick to facilitate the welding overlap of the picks. The fastening nut 12 is screwed onto the fastening screw 11 to fix the cylinder 1, and then the equipment is used to weld the pick.

[0022] The outer wall of the connecting seat 5 is threadedly connected to a threaded tube 8, and the inner wall of the top end of the threaded tube 8 is inclined inward. The outer wall of one end of the ball head 4 is slidably connected to the movable groove 6. Fixing screws 16 are provided at both ends of the cylinder 1. The fixing screws 16 fix the picks inside the cylinder 1, which is convenient for fixing picks of different sizes and easy to use.

[0023] A fastening screw 11 is welded at the center of the outer wall of the rotating protrusion 2, and a rotating hole 13 is opened at one end of the outer wall of the rotating sleeve 3. The outer wall of the fastening screw 11 is threadedly connected to a fastening nut 12, and the outer wall of the bottom of the fastening nut 12 contacts the outer wall of the rotating sleeve 3. The rotating hole 13 is semicircular. The fastening screw 11 limits the cylinder 1 from rotating ninety degrees inside the rotating sleeve 3, which is convenient for adjusting the angle. The threaded tube 8 is screwed into the threaded groove 7 of the connecting seat 5. The threaded tube 8 tightens the ball head 4 to facilitate adjusting the angle of the cylinder 1.

[0024] A handle 14 is welded to the outer wall of the other end of the cylinder 1, and the outer wall of the fastening screw 11 is slidably connected to the rotating hole 13 of the rotating sleeve 3. After loosening the fastening screw, the handle can be used to rotate the cylinder in the rotating sleeve to adjust the position of the cutting teeth, which is convenient for welding after docking the cutting teeth.

[0025] The outer walls of both ends of the cylinder 1 are provided with fixing holes 15 distributed at equal distances, and fixing screws 16 are threadedly connected in the fixing holes 15 .

[0026] The outer wall of the cylinder 1 is provided with weight-reducing holes 17 distributed at equal distances. The weight-reducing holes 17 on the outer wall of the cylinder 1 are convenient for reducing the weight of the cylinder 1 and making it easier to carry the entire cylinder for movement.

[0027] Working principle: When in use, move the entire device to the welding position, unfold the tripod 9 and adjust it to support the cylinder 1, place the pick to be welded on the inner wall of the cylinder 1, and screw the fixing screw 16 into the fixing hole 15 to fix the pick inside the cylinder 1. At this time, rotate the threaded tube 8 to loosen the ball head 4 of the connecting seat 5. Adjust the angle of the cylinder 1 and rotate the threaded tube 8. The threaded tube 8 is screwed into the thread groove 7 of the connecting seat 5. The connecting seat 5 at the compression shrinkage groove 10 squeezes the ball head 4 to fix the cylinder 1. Loosen the fastening nut 12 on the outer wall of the fastening screw 11, and rotate the cylinder 1 of the rotating sleeve 3 through the handle 14. Adjust the fracture position of the pick to facilitate the welding overlap of the pick. After the fastening nut 12 is screwed into the fastening screw 11, fix the cylinder 1, and then use the equipment to weld the pick.

[0028] The present invention is described in detail with reference to the examples of the exemplary embodiments. However, it will be understood by those skilled in the art that, without departing from the concept of the present invention, various modifications and variations can be made to the above-mentioned specific embodiments, and various combinations of the various technical features and structures proposed in the present invention can be made without exceeding the scope of protection of the present invention, which is determined by the appended claims. The foregoing description of the specific exemplary embodiments of the present invention is not intended to limit the present invention to the precise form disclosed, and it is obvious that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art can implement and utilize the various different exemplary embodiments of the present invention and various different options and changes. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. A roadheader pick welding device, comprising a cylinder (1), characterized in that: A rotating protrusion (2) is welded at the center of the outer wall of the cylinder (1), and a rotating sleeve (3) is slidably connected to the outer wall of the cylinder (1) at the rotating protrusion (2). A ball head (4) is welded at the center of the outer wall of the bottom end of the rotating sleeve (3), and a connecting seat (5) is provided at the bottom end of the ball head (4). A movable groove (6) is provided at the center of the top of the connecting seat (5), and a tripod (9) is installed on the bottom outer wall of the connecting seat (5). A threaded groove (7) is provided on the top outer wall of the connecting seat (5), and shrinkage grooves (10) distributed at equal distances are provided on the top outer wall of the connecting seat (5).

2. The tunnel boring machine pick welding equipment according to claim 1, characterized in that: The outer wall of the connecting seat (5) is threadedly connected to a threaded tube (8), and the inner wall of the top end of the threaded tube (8) is inclined inwardly. The outer wall of one end of the ball head (4) is slidably connected to the movable groove (6).

3. The tunnel boring machine pick welding equipment according to claim 1, characterized in that: A fastening screw (11) is welded at the center of the outer wall of the rotating protrusion (2), and a rotating hole (13) is opened at one end of the outer wall of the rotating sleeve (3). The outer wall of the fastening screw (11) is threadedly connected to a fastening nut (12), and the outer wall of the bottom of the fastening nut (12) contacts the outer wall of the rotating sleeve (3).

4. The tunnel boring machine pick welding equipment according to claim 1, characterized in that: A handle (14) is welded to the outer wall of the other end of the cylinder (1), and the outer wall of the fastening screw (11) is slidably connected to the rotating hole (13) of the rotating sleeve (3).

5. The tunnel boring machine pick welding equipment according to claim 1, characterized in that: The outer walls of both ends of the cylinder (1) are provided with fixing holes (15) distributed at equal distances, and fixing screws (16) are threadedly connected in the fixing holes (15).

6. The tunnel boring machine pick welding equipment according to claim 1, characterized in that: The outer wall of the cylinder (1) is provided with weight-reducing holes (17) distributed at equal distances.

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