Urban gas pipeline tapping tool

Abstract

The utility model belongs to the technical field of pipeline tapping, and aims to solve the problems that a tapping machine vibrates too much and is high in manufacturing cost in the gas pipeline drilling process. According to the urban gas pipeline trepanning tool, a drilling mechanism comprises a drill rod, a drill bit and a ratchet wrench; the drill bit is detachably arranged at the head of the drill rod, and a square block matched with the ratchet wrench is arranged at the tail of the drill rod. The supporting mechanism comprises a supporting seat and a supporting frame, a bolt hole connected with a valve flange of the gas pipeline is formed in the outer ring of the bottom end of the supporting seat, and the supporting frame is connected to the upper end of the supporting seat through a locking nut; the drill rod movably penetrates through the supporting seat; the auxiliary feeding mechanism comprises an ejector head, a threaded rod and a rotating handle. The threaded rod is in threaded connection to the supporting frame, and the upper end and the lower end of the threaded rod are connected with the rotating handle and the ejector head correspondingly. The center lines of the threaded rod and the drill rod coincide. The device is simple and compact in structure and can achieve the effect of drilling hole walls.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline hole opening, and in particular relates to a city gas pipeline hole opening tool. Background Art

[0002] Generally, when a gas pipeline fails, the faulty pipeline must be processed as soon as possible and holes must be drilled in the gas pipeline. However, the drilling machine vibrates too much during the drilling process and is expensive. Utility Model Content

[0003] In order to solve at least one of the above technical problems existing in the prior art, the utility model provides a city gas pipeline opening tool.

[0004] The utility model is implemented by the following technical scheme: a city gas pipeline hole opening tool, including a drilling mechanism, a supporting mechanism and an auxiliary feeding mechanism; the drilling mechanism includes a drill rod, a drill bit and a ratchet wrench; the drill bit is detachably arranged on the head of the drill rod, and a square block matching with the ratchet wrench is arranged on the tail of the drill rod; the supporting mechanism includes a supporting seat and a supporting frame, the outer ring of the bottom end of the supporting seat is provided with a bolt hole connected with the valve flange of the gas pipeline, and the supporting frame is connected to the upper end of the supporting seat through a locking nut; the drill rod movably penetrates the supporting seat; the auxiliary feeding mechanism includes a top head, a threaded rod and a rotating handle, the threaded rod is threadedly connected to the supporting frame, and the upper and lower ends of the threaded rod are respectively connected with the rotating handle and the top head; the center lines of the threaded rod and the drill rod coincide.

[0005] Preferably, a cutter set is provided at the lower part of the drill rod near the drill bit, and the drill bit is located below the cutter set.

[0006] Preferably, the bottom and top ends of the support seat are both disc-shaped structures, with two cylindrical bodies in the middle, and the diameter of the lower cylindrical body is greater than the diameter of the upper cylindrical body.

[0007] Preferably, holes are provided on the disc-shaped structure at the upper end of the support seat, and the support frame includes two support rods and a support plate. The support rods are connected between the disc-shaped structure at the upper end of the support seat and the support plate and are locked in position by locking nuts. A threaded hole that cooperates with the thread of the threaded rod is provided in the middle position of the support plate.

[0008] Preferably, the lower portion of the head of the auxiliary feeding mechanism is an inverted cone structure, and the upper end of the threaded rod has a hole for movably passing the rotating handle.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The device has a simple and compact structure. The reciprocating motion of the ratchet wrench causes the drill bit and the cutter set to rotate clockwise, and then the threaded rod is slowly rotated to perform a feed motion, so that the top head is always pressed against the square block, and finally the hole wall is drilled. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the overall structure of the device;

[0013] Figure 2 It is a structural schematic diagram of the drilling mechanism of the device (without including the ratchet wrench);

[0014] Figure 3 It is a schematic diagram of the connection structure of the supporting mechanism and the auxiliary feeding mechanism of the device.

[0015] In the figure: 1-drill rod; 1.1-square block; 2-drill bit; 3-ratchet wrench; 4-support seat; 5-support frame; 5.1-support rod; 5.2-support plate; 6-locking nut; 7-head; 8-threaded rod; 9-rotating handle; 10-knife set. DETAILED DESCRIPTION

[0016] Combined with the drawings in the embodiments of the utility model, the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them. They are not used to limit the conditions under which the present invention can be implemented, so they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention. It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0018] The utility model provides an embodiment:

[0019] A city gas pipeline hole opening tool, comprising a drilling mechanism, a supporting mechanism and an auxiliary feeding mechanism;

[0020] The drilling mechanism comprises a drill rod 1, a drill bit 2 and a ratchet wrench 3; the drill bit 2 is detachably arranged at the head of the drill rod 1, and a square block 1.1 matching with the ratchet wrench 3 is arranged at the tail of the drill rod 1;

[0021] The support mechanism includes a support seat 4 and a support frame 5. The outer ring of the bottom end of the support seat 4 is provided with bolt holes connected to the valve flange of the gas pipeline. The support frame 5 is connected to the upper end of the support seat 4 through a locking nut 6. The drill rod 1 movably passes through the support seat 4.

[0022] The auxiliary feeding mechanism comprises a top head 7, a threaded rod 8 and a rotating handle 9. The threaded rod 8 is threadedly connected to the support frame 5 and the upper and lower ends of the threaded rod 8 are respectively connected to the rotating handle 9 and the top head 7; the center lines of the threaded rod 8 and the drill rod 1 coincide.

[0023] In this embodiment, a cutter set 10 is provided at the lower part of the drill rod 1 near the drill bit 2 , and the drill bit 2 is located below the cutter set 10 .

[0024] The bottom and top of the support seat 4 are both disc-shaped structures, with two cylindrical bodies in the middle, and the diameter of the lower cylindrical body is larger than the diameter of the upper cylindrical body. The disc-shaped structure at the top of the support seat 4 is provided with holes, and the support frame 5 includes two support rods 5.1 and a support plate 5.2. The support rod 5.1 is connected between the disc-shaped structure at the top of the support seat 4 and the support plate 5.2 and is locked in position by a locking nut 6. The middle position of the support plate 5.2 is provided with a threaded hole that is threadedly matched with the threaded rod 8.

[0025] The lower part of the head 7 of the auxiliary feeding mechanism is an inverted cone structure, and the upper end of the threaded rod 8 is provided with a hole for movably passing the rotating handle 9.

[0026] Specific working principle:

[0027] The ratchet wrench reciprocates to make the drill bit and the cutter set rotate clockwise, and then the threaded rod is slowly turned to make a feed motion, so that the top head always presses on the square block;

[0028] Finally, the drill bit and the cutter set work together to complete the drilling operation of the gas pipeline.

[0029] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the protection scope of the claims.

Claims

1. A city gas pipeline hole opening tool, characterized in that: It includes a drilling mechanism, a supporting mechanism and an auxiliary feeding mechanism; The drilling mechanism comprises a drill rod (1), a drill bit (2) and a ratchet wrench (3); the drill bit (2) is detachably arranged on the head of the drill rod (1), and the tail of the drill rod (1) is provided with a square block (1.1) matching with the ratchet wrench (3); The support mechanism comprises a support seat (4) and a support frame (5); the outer ring of the bottom end of the support seat (4) is provided with a bolt hole connected to the valve flange of the gas pipeline; the support frame (5) is connected to the upper end of the support seat (4) through a locking nut (6); the drill rod (1) movably passes through the support seat (4); The auxiliary feeding mechanism comprises a top head (7), a threaded rod (8) and a rotating handle (9); the threaded rod (8) is threadedly connected to the support frame (5), and the upper and lower ends of the threaded rod (8) are respectively connected to the rotating handle (9) and the top head (7); the center lines of the threaded rod (8) and the drill rod (1) coincide.

2. A city gas pipeline hole opening tool according to claim 1, characterized in that: A cutter set (10) is arranged at a position near the drill bit (2) at the lower part of the drill rod (1), and the drill bit (2) is located below the cutter set (10).

3. A city gas pipeline hole opening tool according to claim 1, characterized in that: The bottom and top of the support seat (4) are both disc-shaped structures, with two cylindrical bodies in the middle, and the diameter of the lower cylindrical body is larger than the diameter of the upper cylindrical body.

4. A city gas pipeline hole opening tool according to claim 3, characterized in that: The disc-shaped structure at the upper end of the support seat (4) is provided with a hole, and the support frame (5) comprises two support rods (5.1) and a support plate (5.2), the support rod (5.1) is connected between the disc-shaped structure at the upper end of the support seat (4) and the support plate (5.2) and is locked in position by a locking nut (6), and a threaded hole that is threadably matched with the threaded rod (8) is provided in the middle position of the support plate (5.2).

5. A city gas pipeline hole opening tool according to claim 1, characterized in that: The lower part of the top head (7) of the auxiliary feeding mechanism is an inverted cone structure, and the upper end of the threaded rod (8) is provided with a hole for movably passing through the rotating handle (9).

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