CN216098138U - Grinding device for pipeline welded junction filling operation - Google Patents

Abstract

The utility model provides a grinding device for pipeline welded junction defect repairing operation, which comprises an L-shaped shell, wherein the L-shaped shell comprises a square through hole and a grinding assembly, the square through hole is arranged on the inner surface of one side of the L-shaped shell, the grinding assembly is arranged on one side of the square through hole, the grinding assembly comprises a threaded rod, the threaded rod is arranged on the top surface of the L-shaped shell, the bottom end of the threaded rod extends to the inner part of the L-shaped shell and is connected with an L-shaped fixed block, one end of the threaded rod, which is close to the L-shaped fixed block, is sleeved with an elastic assembly, the inner surface of the L-shaped fixed block is provided with a pressing wheel, the inner walls of the square through holes on the two sides of the pressing wheel are respectively provided with a first rotating wheel, one side of one first rotating wheel is provided with a motor, the motor is movably connected with the first rotating wheel, the inner wall of the L-shaped shell below the first rotating wheel is movably connected with a movable block through a torsion spring, the bottom end of the movable block is provided with a second rotating wheel, the first rotating wheel is rotatably connected with the second rotating wheel through a grinding belt, the pipeline welding port polishing device can polish pipeline welding ports with different sizes, and is convenient for workers to use.

Description

Grinding device for pipeline welded junction filling operation

Technical Field

The utility model mainly relates to the technical field of pipeline polishing, in particular to a polishing device for pipeline welded junction filling operation.

Background

Can need polish the pipeline weld bead through grinding device in the pipeline installation process, avoid weld bead surface adnexed impurity to produce the influence to the welding process, but it generally can't polish not unidimensional pipeline weld bead of current grinding device, the staff's of being not convenient for use.

The utility model discloses a grinding device for a row welding opening of a small-diameter tube dense tube according to the patent document application number (CN201821452665.6), which comprises: the handheld piece is internally provided with an accommodating space for accommodating the motor; the motor is connected with the driving mechanism and provides driving force for the driving mechanism; the polishing wheel is connected with one side of the driving mechanism and is driven to rotate by the driving mechanism; the driven wheel is connected with the other side of the driving mechanism; the axis of the motor is vertical to the axis of the grinding wheel, power output by the motor is vertically steered through the matching of the driving mechanism and the motor, and the power is output to the grinding wheel. The device has the advantages of compact structure, self radian, small volume, light weight and portability, is particularly suitable for polishing small-diameter pipe dense pipe rows on construction sites, and realizes mechanical polishing of narrow-gap weld joints.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a polishing device for pipeline welded junction filling operation, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a polishing device for pipeline weld joint filling operation comprises an L-shaped shell, wherein the L-shaped shell comprises a square through hole and a polishing assembly, the square through hole is formed in the inner surface of one side of the L-shaped shell, the polishing assembly is arranged on one side of the square through hole and comprises a threaded rod, the threaded rod is arranged on the top surface of the L-shaped shell, the bottom end of the threaded rod extends into the L-shaped shell and is connected with an L-shaped fixed block, an elastic assembly is sleeved at one end, close to the L-shaped fixed block, of the threaded rod, a pressing wheel is arranged on the inner surface of the L-shaped fixed block, first rotating wheels are respectively arranged on the inner walls of the square through holes on the two sides of the pressing wheel, a motor is arranged on one side of each first rotating wheel and is movably connected with the first rotating wheel, a movable block is movably connected to the inner wall of the L-shaped shell below the first rotating wheel through a torsion spring, and a second rotating wheel is arranged at the bottom end of the movable block, the first rotating wheel is rotatably connected with the second rotating wheel through a polishing belt.

Preferably, the top of threaded rod is rotated and is connected with fixation nut, can play the effect of fixing the threaded rod through fixation nut, avoids the threaded rod to drive the in-process that the pinch roller was polished and takes place unnecessary and rock.

Preferably, the bottom end of the threaded rod is movably connected with the L-shaped fixing block through a bearing, and the bearing can play a role in enabling the threaded rod to horizontally drive the L-shaped fixing block to move up and down.

Preferably, one side swing joint that L type casing is close to the motor has the baffle, the baffle surface is equipped with the holding rod, can play the effect of avoiding the in-process object of polishing to sputter the staff through the baffle, has protected staff life safety to can play the operation of making things convenient for the staff to polish through the holding rod.

Preferably, first runner and second runner are the I-shaped setting, and the I-shaped setting through first runner and second runner can play the effect of fixed polishing area, prevents to polish the effect that the in-process of taking place to drop and remove of area.

Preferably, a handle is arranged on the top surface of one side, away from the holding rod, of the L-shaped shell, and the handle can play a role in facilitating the pipeline polishing of workers.

Preferably, the outer surfaces of the holding rod and the grip are respectively provided with a sliding-resistant pad, so that the effect of increasing friction among hands, the holding rod and the grip can be achieved through the sliding-resistant pads, and accidental hand release of the polishing device is avoided.

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

the pipeline welding port grinding machine can be used for grinding pipeline welding ports with different sizes through the L-shaped shell, the square through hole, the threaded rod, the L-shaped fixed block, the elastic assembly, the pressing wheel, the first rotating wheel, the movable block, the motor, the second rotating wheel and the grinding belt, and is convenient for workers to use; the threaded rod can be fixed through the fixing nut, so that unnecessary shaking caused by the fact that the threaded rod drives the pressing wheel in the polishing process is avoided; the baffle can prevent objects from being splashed to workers in the polishing process, so that the life safety of the workers is protected; the pipeline polishing function of workers can be facilitated through the holding rod and the handle; the friction force among the hands, the holding rod and the handle can be increased through the anti-slip pad, and the polishing device is prevented from accidentally falling off the hands.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is a schematic structural view of an L-shaped fixing block according to the present invention.

In the figure: 1. an L-shaped housing; 11. a square through hole; 12. polishing the assembly; 121. a threaded rod; 1211. fixing a nut; 122. an L-shaped fixed block; 123. an elastic component; 124. a pinch roller; 125. a first runner; 126. a motor; 127. a movable block; 128. a second runner; 129. polishing the belt; 13. a baffle plate; 131. a holding rod; 132. a slip-resistant pad; 14. a handle.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4 heavily, a polishing device for pipeline weld joint repair operation comprises an L-shaped casing 1, wherein the L-shaped casing 1 comprises a square through hole 11 and a polishing assembly 12, the square through hole 11 is arranged on the inner surface of one side of the L-shaped casing 1, the polishing assembly 12 is arranged on one side of the square through hole 11, the polishing assembly 12 comprises a threaded rod 121, the threaded rod 121 is arranged on the top surface of the L-shaped casing 1, the bottom end of the threaded rod 121 extends into the L-shaped casing 1 and is connected with an L-shaped fixing block 122, an elastic assembly 123 is sleeved at one end of the threaded rod 121 close to the L-shaped fixing block 122, a pinch roller 124 is arranged on the inner surface of the L-shaped fixing block 122, first rotating wheels 125 are respectively arranged on the inner walls of the square through holes 11 at two sides of the pinch roller 124, a motor 126 is arranged on one side of the first rotating wheels 125, and the motor 126 is movably connected with the first rotating wheels 125, and the inner wall of the L-shaped shell 1 below the first rotating wheel 125 is movably connected with a movable block 127 through a torsion spring, the bottom end of the movable block 127 is provided with a second rotating wheel 128, and the first rotating wheel 125 is rotatably connected with the second rotating wheel 128 through a polishing belt 129.

Referring to fig. 1, 2 and 3 again, the top end of the threaded rod 121 is rotatably connected with a fixing nut 1211, and the fixing nut 1211 can fix the threaded rod 121, so as to prevent the threaded rod 121 from driving the pressing wheel 124 to unnecessarily shake during the polishing process.

Referring to fig. 1, 2, 3 and 4 again, the bottom end of the threaded rod 121 is movably connected to the L-shaped fixing block 122 through a bearing, and the bearing can make the threaded rod 121 horizontally drive the L-shaped fixing block 122 to move up and down.

Please refer to fig. 1 and 2, a baffle 13 is movably connected to one side of the L-shaped housing 1 close to the motor 126, a holding rod 131 is disposed on an outer surface of the baffle 13, the baffle 13 can prevent objects from being splashed to workers during polishing, life safety of the workers is protected, and the holding rod 131 can facilitate polishing operations of the workers.

Referring to fig. 1 and 2 again, the first rotating wheel 125 and the second rotating wheel 128 are disposed in an i-shape, and the i-shape of the first rotating wheel 125 and the second rotating wheel 128 can fix the polishing belt 129, thereby preventing the polishing belt 129 from falling off and moving during polishing.

Please refer to fig. 1 and 2, a handle 14 is disposed on a top surface of the L-shaped housing 1 away from the holding rod 131, and the handle 14 can be used for facilitating the pipeline polishing of the worker.

Please refer to fig. 1 and 2, the outer surfaces of the holding rod 131 and the grip 14 are respectively provided with a sliding-stopping pad 132, and the sliding-stopping pad 132 can increase the friction force between the hand, the holding rod 131 and the grip 14, thereby preventing the grinding device from accidentally falling off the hand.

The specific operation mode of the utility model is as follows:

firstly, aligning a polishing belt 129 of a polishing component 12 to a pipeline weld seam, when the size of a pipeline is smaller than that of a square through hole 11, driving an L-shaped shell 1 through a holding rod 131 and a handle 14, driving a movable block 127 to shrink towards the inside of the square through hole 11 through a second rotating wheel 128 by the polishing belt 129, enabling the polishing belt 129 to be tightly attached to the pipeline weld seam, simultaneously pushing a pressing wheel 124 to move upwards by the polishing belt 129, driving an L-shaped fixed block 122 and a threaded rod 121 to move upwards by the pressing wheel 124, forcing an elastic component 123 at the bottom end of the threaded rod 121 to shrink, fixing the threaded rod 121 through a fixing nut 1211, preventing the pressing wheel 124 from moving upwards and downwards by the threaded rod 121, rotating the polishing belt 129 through a first rotating wheel 125 by a motor 126, polishing the pipeline weld seam by the polishing belt 129, when the size of the pipeline is larger than that of the square through hole 11, pushing the threaded rod 121 on the top surface of the L-shaped shell 1, driving the pressing wheel 124 to move downwards through the L-shaped fixed block 122 by the threaded rod 121, the pressure wheel 124 causes the sanding belt 129 to protrude downward and then secures the threaded rod 121 via the securing nut 1211.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims (7)

1. The utility model provides a pipeline crater is grinding device for filling up operation, includes L type casing (1), its characterized in that, L type casing (1) includes square hole (11) and grinding component (12), square hole (11) set up in one side internal surface of L type casing (1), one side of square hole (11) is equipped with grinding component (12), grinding component (12) include threaded rod (121), threaded rod (121) set up in L type casing (1) top surface, threaded rod (121) bottom extends to L type casing (1) inside and is connected with L type fixed block (122), and threaded rod (121) are close to the one end of L type fixed block (122) and cup joint elastic component (123), L type fixed block (122) internal surface is equipped with pinch roller (124), square hole (11) inner wall of the both sides of pinch roller (124) is equipped with first runner (125) respectively, one side of one of them first runner (125) is equipped with motor (126), motor (126) swing joint first runner (125), and L type casing (1) inner wall of first runner (125) below has movable block (127) through torsion spring swing joint, movable block (127) bottom is equipped with second runner (128), first runner (125) are through polishing area (129) rotation connection second runner (128).

2. The grinding device for the pipe weld crater patching operation according to claim 1, characterized in that a fixing nut (1211) is rotatably connected to the top end of the threaded rod (121).

3. The grinding device for the pipeline weld crater patching operation according to claim 1, wherein the bottom end of the threaded rod (121) is movably connected with an L-shaped fixing block (122) through a bearing.

4. The grinding device for the pipeline weld crater patching operation according to claim 1, wherein a baffle (13) is movably connected to one side of the L-shaped shell (1) close to the motor (126), and a holding rod (131) is arranged on the outer surface of the baffle (13).

5. The grinding device for the pipe weld joint repairing operation according to claim 1, wherein the first rotating wheel (125) and the second rotating wheel (128) are arranged in an I shape.

6. The grinding device for the pipeline weld crater patching operation according to claim 1, wherein a handle (14) is arranged on the top surface of one side of the L-shaped shell (1) far away from the holding rod (131).

7. The grinding device for the pipe weld joint repairing operation according to claim 4, wherein the outer surfaces of the holding rod (131) and the grip (14) are respectively provided with a sliding-resisting pad (132).

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