CN215846046U

CN215846046U - Cutting device is used in city gas pipeline installation

Info

Publication number: CN215846046U
Application number: CN202121885300.4U
Authority: CN
Inventors: 范双涛; 黄骞
Original assignee: Lufeng Shenzhou Gas Co ltd
Current assignee: Lufeng Shenzhou Gas Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-02-18
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a cutting device for mounting an urban gas pipeline, and relates to the technical field of gas pipeline mounting. The cutting device comprises a first ring piece, wherein a plurality of second connecting rods are uniformly hinged to the bottom of the first ring piece in the circumferential direction, and a tightening device used for driving the second connecting rods to rotate upwards is arranged on the first ring piece; the upper side surface of the first ring piece is provided with a supporting seat which can rotate around the first ring piece, the supporting seat is provided with a cutting machine, and a sliding mechanism which slides along the radial direction of the first ring piece is arranged between the supporting seat and the cutting machine. The utility model has small integral framework and convenient carrying, and is convenient for operators to enter the house to cut the gas pipeline; the cutting machine can carry out the action cutting of encircleing the rotary type to the gas pipeline, and the pipeline incision cross-section after the cutting is level and smooth, is favorable to the erection joint or the welding of gas pipeline.

Description

Cutting device is used in city gas pipeline installation

Technical Field

The utility model relates to the technical field of gas pipeline installation, in particular to a cutting device for urban gas pipeline installation.

Background

The gas is one of three main pillar energy sources in the world, along with the continuous development of the times, people can not live in the gas, and along with the development of cities, the gas pipeline is often required to be cut and welded, so that the gas pipeline cutting device is produced.

In the installation process of the urban household gas pipeline, the cutting adjustment of the gas pipeline is often carried out according to the actual house requirement, and the conventional gas pipeline cutting device is large in size, not beneficial to carrying of operators and difficult to cut in households. And use handheld type small-size cutting machine to the gas pipeline cutting, need the handheld control of operation personnel, when the dynamics of holding is not good, have the phenomenon of cutting cross-section unevenness again, be unfavorable for the erection joint or the welding of pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cutting device for mounting an urban gas pipeline, which is convenient for workers to carry and cut in the house, is convenient for the cutting handle of the workers to control, and enables the cut section of the pipeline to be smoother.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a city is cutting device for gas pipeline installation, includes first ring piece, the bottom of first ring piece upwards evenly articulates a plurality of second connecting rods, be provided with on the first ring piece and be used for the drive the upwards pivoted binding means of second connecting rod.

The upper side surface of the first ring piece is provided with a supporting seat which can rotate around the first ring piece, the supporting seat is provided with a cutting machine, and a sliding mechanism which slides along the radial direction of the first ring piece is arranged between the supporting seat and the cutting machine.

Preferably, the tightening device comprises a second ring piece, a plurality of screw rods are uniformly fixed on the circumferential direction of the bottom surface of the first ring piece, the second ring piece is arranged on the screw rods in a sliding manner, and adjusting nuts matched with the screw rods are arranged below the second ring piece.

Preferably, one end of the supporting seat is provided with a lantern ring, the upper side surface of the first ring piece is coaxially provided with a ring seat, and the lantern ring is sleeved on the ring seat.

Preferably, a bearing is arranged between the lantern ring and the lantern ring seat.

Preferably, the sliding mechanism comprises a sliding rail fixed on the top of the supporting seat and a sliding seat fixed at the bottom of the cutting machine, and a sliding groove matched with the sliding rail is formed in the bottom of the sliding seat.

Preferably, the second connecting rod is in transitional connection with the first ring piece through a first connecting rod, and the first connecting rod is arranged in an outward inclined manner.

Preferably, the hanging end of the second connecting rod is hinged with a clamping plate.

Preferably, a fireproof plate is arranged at the top of the collar.

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

1. the utility model has small integral framework and convenient carrying, and is convenient for operators to enter the house to cut the gas pipeline.

2. According to the gas pipeline cutting machine, the gas pipeline can be cut in a surrounding rotating mode, the cut section of the cut pipeline is flat, and the gas pipeline is convenient to install, connect or weld.

3. According to the utility model, the second connecting rod can clamp and fix gas pipelines with different diameters, and the applicability is strong.

Drawings

FIG. 1 is an external view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural view of the supporting base of the present invention.

In the figure:

1-a first ring sheet, 11-a screw rod, 121-a first connecting rod, 122-a second connecting rod, 13-a ring seat, 131-a bearing,

2-the clamping plate is used for clamping the bone,

3-a second ring plate, 31-an adjusting nut,

41-supporting seat, 42-lantern ring, 43-sliding rail, 44-sliding seat, 441-sliding groove, 45-fireproof plate,

5-a cutting machine and 6-a gas pipeline.

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.

As shown in fig. 1-3, a cutting device for installing an urban gas pipeline includes a first ring piece 1, a plurality of second connecting rods 122 are evenly hinged to the bottom of the first ring piece 1 in the circumferential direction, and a tightening device for driving the second connecting rods 122 to rotate upwards is arranged on the first ring piece 1.

The upper side surface of the first ring piece 1 is provided with a supporting seat 41 which can rotate around the first ring piece 1, the supporting seat 41 is provided with a cutting machine 5, and a sliding mechanism used for the cutting machine 5 to move along the radial direction of the first ring piece 1 is arranged between the supporting seat 41 and the cutting machine 5.

As a specific implementation manner, as shown in fig. 2, the tightening device includes a second ring piece 3, a plurality of lead screws 11 are uniformly fixed on the bottom surface of the first ring piece 1 circumferentially, an avoiding hole corresponding to the lead screw 11 is formed on the second ring piece 3, the second ring piece 3 is slidably disposed on the lead screw 11 through the avoiding hole, and an adjusting nut 31 matched with the lead screw 11 is disposed below the second ring piece 3. During the use, through screwing up adjusting nut 31 and upwards moving, adjusting nut 31 promotes second ring piece 3 and upwards moves, and the in-process of removal, second ring piece 3 extrudes second connecting rod 122 and makes second connecting rod 122 upwards rotate, and second connecting rod 122 pivoted in-process, the free end of second connecting rod 122 is close to the axis of first ring piece 1, and when having the gas pipeline in first ring piece 1, the gas pipeline is tightly pressed from both sides in second connecting rod 122 by second connecting rod 122.

Preferably, the number of the screw rods 11 is the same as that of the second connecting rods 122, and the screw rods 11 and the second connecting rods 122 are arranged at intervals. This improves the clamping effect of the second connecting rod 122 on the gas pipe.

As a specific embodiment, as shown in fig. 2 and fig. 3, one end of the supporting seat 41 is provided with a collar 42, the upper side surface of the first ring piece 1 is coaxially provided with a ring seat 13, and the collar 42 is sleeved on the ring seat 13. In this way, the supporting seat 41 can be driven to rotate the supporting seat 41 around the ring seat 13 through the collar 42, so that the cutting machine 5 can rotate and cut the gas pipeline arranged in the first ring piece 1 around the first ring piece 1.

Preferably, as shown in fig. 2, a bearing 131 is disposed between the collar 42 and the ring seat 13 to improve stability and smoothness of the collar 42 during rotation.

As a specific embodiment, as shown in fig. 1 and 2, the sliding mechanism includes a slide rail 43 and a slide base 44. Preferably, the slide rail 43 is fixed to the top of the support seat 41, the guiding direction of the slide rail 43 passes through the center of the first ring piece 1, a sliding groove 441 matched with the slide rail 43 is formed at the bottom of the slide seat 44, and the cutting machine 5 is fixed to the top of the slide seat 44. Like this, use cutting machine 5 to be located when the gas pipeline 6 in the first ring piece 1 rotates the cutting, can make cutting machine 5 do linear movement on slide rail 43 through sliding seat 44, make cutting machine 5's cutting piece be close to gas pipeline 6 gradually, make cutting machine 5 cut gas pipeline gradually, one can guarantee to cut off gas pipeline 6 steadily, two can make the incision of the gas pipeline 6 after the cutting more level and smooth.

Preferably, the slide rail 43 is provided in a dovetail shape, the slide groove 441 is provided in a dovetail groove corresponding to the slide rail 43, and the slide rail 43 and the slide groove 441 in the dovetail shape make the sliding fit relationship more stable.

Preferably, as shown in fig. 1-2, the second connecting rod 122 is transitionally connected with the first ring plate 1 through a first connecting rod 121, and the first connecting rod 121 is disposed obliquely towards the outside (with the side away from the axial center of the first ring plate 1 as the outside). In a specific embodiment, the first connecting rods 121 are uniformly fixed in the circumferential direction of the bottom surface of the first ring plate 1, and the second connecting rods 122 are hinged to the free ends of the first connecting rods 121. In a preferred embodiment, the inclined angle between the first connecting rod 121 and the axis of the first ring plate 1 is 30-50 °. The aim at of design like this, through the setting of the outside slope of head rod 121, can make second connecting rod 122 press from both sides more to be close to the horizontality when pressing from both sides the tight gas pipe of same diameter, and then make the stress point of the gas pipe that is pressed from both sides tightly more be close to first ring piece 1, the radial force that the reinforcing gas pipe received is favorable to second ring piece 3 to compress tightly gas pipeline 6 through second connecting rod 122, stability when improving the cutting.

Preferably, as shown in fig. 1-2, the hanging end of the second connecting rod 122 is hinged with a clamping plate 2. The second connecting rod 122 clamps the gas pipeline 6 through the clamping plate 2, so that the clamping area of the gas pipeline 6 is increased, and the stability of the gas pipeline 6 in clamping is improved.

Preferably, the contact surface of the clamping plate 2 and the gas pipeline 6 is arc-shaped, and an anti-skid rubber pad (not shown) is arranged on the arc-shaped surface. Therefore, firstly, the contact area between the clamping plate 2 and the gas pipeline 6 can be increased, and secondly, the contact friction force between the clamping plate 2 and the gas pipeline 6 can be improved, so that the effect of stably clamping is achieved.

Preferably, as shown in fig. 2 and 3, a fire-proof plate 45 is coaxially disposed on the top of the collar 42. In one embodiment, the fire-proof plate 45 is arranged in an annular C-shaped structure, and the C-shaped notch of the fire-proof plate 45 faces the supporting seat 41. Thus, when the cutting of the gas pipeline 6 by the cutting machine 5 is not affected, the spark generated by the cutting machine 5 is prevented from splashing by the fireproof plate 45, and the safety during cutting is improved.

The working principle is as follows: before carrying out the gas pipeline cutting, pass first ring piece 1 and second ring piece 3 with gas pipeline 6 earlier, then adjust splint 2 and make splint 2 laminate on gas pipeline 6's outer wall, it moves upwards to twist adjusting nut 31 afterwards, adjusting nut 31 promotes second ring piece 3 and moves upwards, the in-process of removal, second ring piece 3 extrudees second connecting rod 122 and makes second connecting rod 122 upwards rotate, second connecting rod 122 pivoted in-process makes splint 2 press from both sides tightly to gas pipeline 6, it is fixed with the axle center between gas pipeline 6 and the first ring piece 1 to make. And then, the cutting machine 5 is connected to a power supply to perform cutting operation, during cutting, the cutting machine 5 is firstly moved along the slide rail 43 through the slide seat 44, a cutting blade of the cutting machine 5 is made to contact with the gas pipeline 6, then the supporting seat 41 is made to rotate around the ring seat 13 through the lantern ring 42, the cutting machine 5 is made to perform rotary cutting on the gas pipeline 6 until the gas pipeline 6 is completely cut off, and finally the adjusting nut 31 is loosened to take out the gas pipeline 6. Through cutting machine 5's rotary type cutting, make the tangent plane of gas pipeline more level and smooth, during the cutting, need not to remove the gas pipeline moreover, easy operation is convenient, has improved high operating efficiency.

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. The utility model provides a cutting device is used in city gas pipeline installation which characterized in that: the binding device comprises a first ring piece, wherein a plurality of second connecting rods are uniformly hinged to the bottom of the first ring piece in the circumferential direction, and a binding device used for driving the second connecting rods to rotate upwards is arranged on the first ring piece;

2. The cutting device for urban gas pipeline installation according to claim 1, wherein: the tightening device comprises a second ring piece, a plurality of screw rods are uniformly fixed on the circumferential direction of the bottom surface of the first ring piece, the second ring piece is arranged on the screw rods in a sliding mode, and adjusting nuts matched with the screw rods are arranged below the second ring piece.

3. The cutting device for urban gas pipeline installation according to claim 1, wherein: one end of the supporting seat is provided with a lantern ring, the upper side face of the first ring piece is coaxially provided with a ring seat, and the lantern ring is sleeved on the ring seat.

4. The cutting device for city gas pipeline installation according to claim 3, characterized in that: and a bearing is arranged between the lantern ring and the lantern ring seat.

5. The cutting device for urban gas pipeline installation according to claim 1, wherein: the sliding mechanism comprises a sliding rail fixed at the top of the supporting seat and a sliding seat fixed at the bottom of the cutting machine, and a sliding groove matched with the sliding rail is formed in the bottom of the sliding seat.

6. The cutting device for urban gas pipeline installation according to claim 1, wherein: the second connecting rod is in transition connection with the first ring piece through the first connecting rod, and the first connecting rod is arranged in an outward inclined mode.

7. The cutting device for urban gas pipeline installation according to claim 1, wherein: the hanging end of the second connecting rod is hinged with a clamping plate.

8. The cutting device for city gas pipeline installation according to claim 3, characterized in that: and a fireproof plate is arranged at the top of the lantern ring.