A gas pipeline port polishing device

Abstract

The application relates to the technical field of polishing devices, and discloses a gas pipeline port polishing device which comprises a supporting table, first electric push rods, a top plate, supporting blocks, second electric push rods, a bending plate, a motor, a grinding wheel, a clamping piece and a carrying piece. When in use, the pipeline is placed behind the supporting blocks, the first electric push rods on the two sides are controlled to work, the two sides of the top plate can be driven to move towards each other or in the same direction. After the two sides of the top plate abut against the two ends of the pipeline respectively, the pipeline can be centered to make the pipeline position the middle position. Then the carrying piece and the clamping piece are controlled to work in sequence, the pipeline can be carried from the position of the supporting blocks to the position of the clamping piece, and the pipeline can be clamped and fixed. Then the second electric push rods on the two sides and the electric motors on the two sides are controlled to work, the two sides of the grinding wheel can rotate while moving, and the two ends of the pipeline can be polished at the same time. Therefore, the two ends of the pipeline can be polished at the same time, and the polishing efficiency of the pipeline is improved.

Description

Technical Field

[0001] This application relates to the field of polishing equipment technology, for example to a polishing device for gas pipeline ports. Background Technology

[0002] A related technology (publication number: CN220481174U) discloses a gas pipeline port grinding device, including a worktable, a clamping mechanism, and a grinding mechanism. The clamping mechanism includes a fixed block fixedly installed on the top left side of the worktable. Limiting rods are fixedly installed around the top of the fixed block. A top seat is fixedly installed on the top of the limiting rods. A cylinder is fixedly installed in the center of the top of the top seat. A movable block is fixedly installed on the output shaft of the cylinder. Arc-shaped grooves are formed on opposite sides of both the fixed block and the movable block. The grinding mechanism includes a fixed box fixedly installed on the top right side of the worktable. A second cylinder is fixedly installed in the center of the fixed box. A movable box is fixedly installed on the output shaft of the second cylinder. A servo motor is fixedly installed inside the movable box. A grinding block is fixedly installed on the output shaft of the servo motor.

[0003] In implementing the above embodiments, at least the following problems were found in the related technology:

[0004] This gas pipeline end grinding equipment uses a movable block driven by cylinder one to move relative to the fixed block, thus clamping the gas pipeline to be ground. Driven by cylinder two and a servo motor, the grinding block performs linear and rotary motions, grinding the clamped end of the gas pipeline. However, after grinding one end of the gas pipeline, it must be disassembled and re-secured before grinding the other end. Therefore, the grinding efficiency is low.

[0005] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0006] To provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended as a general commentary, nor is it intended to identify key / important components or describe the scope of protection of these embodiments, but rather as a prelude to the detailed description that follows.

[0007] This disclosure provides a gas pipeline port grinding device to improve grinding efficiency.

[0008] In some embodiments, the gas pipeline port grinding device includes: a support platform; first electric push rods, installed along the length direction of the support platform on the top surface of the support platform and located on both sides of the support platform, with the moving ends of the first electric push rods on both sides being distributed opposite to each other; top plates, respectively installed on the moving ends of the first electric push rods on both sides; support blocks, installed on the top surface of the support platform and located between the top plates on both sides, for supporting the gas pipeline; and second electric push rods, installed along the length direction of the support platform on the top surface of the support platform and located on both sides of the support platform, with the moving ends of the first electric push rods on both sides being distributed opposite to each other; top plates, respectively installed on the moving ends of the first electric push rods on both sides; support blocks, installed on the top surface of the support platform and located between the top plates on both sides, for supporting the gas pipeline; and second electric push rods, installed along the length direction of the support platform on the top surface of the support platform and located on both sides of the support platform, with the moving ends of the first electric push rods on both sides being distributed opposite to each other; top plates, respectively installed on the moving ends of the first electric push rods on both sides; and support blocks, installed on the top surface of the support platform and located between the top plates on both sides, for supporting the gas pipeline; and second electric push rods, installed along the length direction of the support platform on the top surface of the support platform and located on both sides of the support platform, with the moving ends of the first electric push rods on both sides being distributed opposite to each other; and ... The moving ends of the second electric push rod are relatively distributed; bending plates are respectively installed on the moving ends of the second electric push rod on both sides; motors are respectively installed on the bending plates on both sides along the length direction of the support platform, and the rotating ends of the motors on both sides are relatively distributed; grinding wheels are respectively installed on the rotating ends of the motors on both sides; clamping members are installed on the top wall of the support platform, located between the top plates on both sides, for clamping the gas pipeline, and the clamping members and the support blocks are located on both sides of the support platform along the width direction of the support platform; a transporting member is installed on the top surface of the support platform for transporting the gas pipeline.

[0009] Optionally, the support platform includes: a support plate, which is the top wall of the support platform, and the top surface of the support plate is the top surface of the support platform; and support rods, which are respectively installed at the four corners of the bottom surface of the support plate.

[0010] Optionally, the clamping member includes: a support base, mounted on the top wall of the support platform; grippers, rotatably mounted on the support base, located on both sides of the support base along the width direction of the support platform; a hydraulic cylinder, mounted on the support base along the height direction of the support platform, and located below the grippers on both sides, with the moving end of the hydraulic cylinder facing the grippers on both sides; and connecting rods, rotatably mounted between the moving end of the hydraulic cylinder and the grippers on both sides.

[0011] Optionally, the conveying component includes: a support frame mounted on the top surface of the support platform; a linear slide mounted on the support frame along the width direction of the support platform and located above the support block and the clamping component along the height direction of the support platform; a guide rod cylinder mounted on the moving end of the linear slide along the height direction of the support platform; a thumb cylinder mounted on the moving end of the guide rod cylinder; and finger clamps respectively mounted on each moving end of the thumb cylinder. The support block and the two side grippers each include notches for the finger clamps to pass through.

[0012] Optionally, the transport component further includes: a movable seat, which is respectively installed between the movable end of the linear slide and the guide rod cylinder and between the movable end of the guide rod cylinder and the thumb cylinder.

[0013] Optionally, it further includes: a first guide rail, which is installed on the top surface of the support platform along the length direction of the support platform; and a first slider, which is slidably installed on the first guide rail along the length direction of the support platform and located on both sides of the first guide rail, with the bent plates on both sides respectively installed on the first sliders on both sides.

[0014] Optionally, it further includes: a second guide rail, installed on the top surface of the support platform along the length direction of the support platform; a second slider, slidably installed on the second guide rail along the length direction of the support platform and located on both sides of the second guide rail; and movable plates, respectively installed on the second sliders on both sides, with the top plates on both sides respectively connected to the movable plates on both sides.

[0015] Optionally, it further includes: a first support, which is installed on the top surface of the support platform along the length direction of the support platform and located on both sides of the support platform, and the first electric push rods on both sides are respectively installed on the first supports on both sides.

[0016] Optionally, it further includes: a second support, which is installed on the top surface of the support platform along the length direction of the support platform and located on both sides of the support platform, and the second electric push rods on both sides are respectively installed on the second supports on both sides.

[0017] The gas pipeline port grinding device provided in this disclosure can achieve the following technical effects:

[0018] This disclosure provides a gas pipeline port grinding device, comprising a support platform, a first electric push rod, a top plate, a support block, a second electric push rod, a bending plate, a motor, a grinding wheel, a clamping component, and a conveying component. The support platform supports the entire device. The first electric push rods are installed on the top surface of the support platform along its length and are located on both sides of the support platform. The moving ends of the first electric push rods on both sides are relatively distributed and are used to provide driving force to achieve opposite or reverse movement. The top plate is respectively installed on the moving ends of the first electric push rods on both sides and moves towards or in opposite directions under the drive of the first electric push rods. The support block is installed on the top surface of the support platform, located between the two top plates, and is used to support the pipeline. The top surface of the support block includes a V-groove that matches the pipeline. The second electric push rods are installed on the top surface of the support platform along its length and are located on both sides of the support platform. The moving ends of the second electric push rods on both sides are relatively distributed and are used to provide driving force to achieve opposite or reverse movement. Bending plates are mounted on the moving ends of the second electric push rods on both sides, moving towards or in opposite directions under the drive of the second electric push rods. Motors are mounted on the bending plates on both sides along the length of the support platform, with their rotating ends opposite each other, both providing driving force to achieve the rotational motion. Grinding wheels are mounted on the rotating ends of the motors on both sides, rotating under the drive of the motors. Clamping components are mounted on the top wall of the support platform, located between the two top plates, and are used to clamp the pipes. Along the width of the support platform, the clamping components and support blocks are located on both sides of the support platform. A transport component is mounted on the top surface of the support platform, used to transport the pipes from the location of the support blocks to the location of the clamping components.

[0019] In use, after placing the pipe on the support block, controlling the first electric push rods on both sides will cause the top plates on both sides to move towards or in the same direction. Once the top plates abut against both ends of the pipe, the pipe is centered. Then, controlling the transport and clamping components sequentially moves the pipe from the support block to the clamping components, securing it in place. Finally, controlling the second electric push rods on both sides and the electric actuators on both sides causes the grinding wheels on both sides to rotate while moving, thus simultaneously grinding both ends of the pipe. Therefore, both ends of the pipe can be ground simultaneously, improving grinding efficiency.

[0020] The above general description and the description below are exemplary and illustrative only and are not intended to limit this application. Attached Figure Description

[0021] One or more embodiments are illustrated by way of example with reference to the accompanying drawings. These illustrations and drawings do not constitute a limitation on the embodiments. Elements having the same reference numerals in the drawings are considered similar elements. The drawings do not constitute a limitation of scale, and wherein:

[0022] Figure 1 This is a front view structural schematic diagram of a gas pipeline port grinding device provided in an embodiment of this disclosure;

[0023] Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure at point AA;

[0024] Figure 3 yes Figure 1 Schematic diagram of the cross-sectional structure at point BB;

[0025] Figure 4 This is a top view of a gas pipeline port grinding device provided in an embodiment of this disclosure.

[0026] Figure label:

[0027] 10: Support platform; 20: First electric push rod; 30: Top plate; 40: Support block; 50: Second electric push rod; 60: Bending plate; 70: Motor; 80: Grinding wheel; 90: Clamping component; 91: Support seat; 92: Gripper; 93: Hydraulic cylinder; 94: Connecting rod; 100: Handling component; 101: Support frame; 102: Linear slide; 103: Guide rod cylinder; 104: Thumb cylinder; 105: Finger clamp; 110: Moving plate; 120: First support; 130: Second support. Detailed Implementation

[0028] To provide a more detailed understanding of the features and technical content of the embodiments of this disclosure, the implementation of the embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for illustrative purposes only and are not intended to limit the embodiments of this disclosure. In the following technical description, for ease of explanation, several details are used to provide a full understanding of the disclosed embodiments. However, one or more embodiments may still be implemented without these details. In other cases, well-known structures and devices may be simplified in their depiction to simplify the drawings.

[0029] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this disclosure described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0030] In this disclosure, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better description of the embodiments of this disclosure and their implementations, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to require them to be constructed and operated in a specific orientation. Furthermore, some of the aforementioned terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in the embodiments of this disclosure according to the specific circumstances.

[0031] Furthermore, the terms "set up," "connect," and "fix" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0032] Unless otherwise stated, the term "multiple" means two or more.

[0033] In this embodiment of the disclosure, the character " / " indicates that the objects before and after it are in an "or" relationship. For example, A / B means: A or B.

[0034] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0035] It should be noted that, unless otherwise specified, the embodiments and features described in the present disclosure can be combined with each other.

[0036] Combination Figures 1 to 4As shown, this embodiment of the present disclosure provides a gas pipeline port grinding device, including a support platform 10, a first electric push rod 20, a top plate 30, a support block 40, a second electric push rod 50, a bending plate 60, a motor 70, a grinding wheel 80, a clamping component 90, and a conveying component 100. The support platform 10 supports the entire device. The first electric push rod 20 is installed on the top surface of the support platform 10 along its length and is located on both sides of the support platform 10. The moving ends of the first electric push rods 20 on both sides are oppositely distributed and are used to provide driving force to achieve opposite or reverse movement. The top plate 30 is respectively installed on the moving ends of the first electric push rods 20 on both sides, and moves towards or in opposite directions under the drive of the first electric push rods 20 on both sides. The support block 40 is installed on the top surface of the support platform 10, located between the two top plates 30, and is used to support the pipeline. The top surface of the support block 40 includes a V-shaped groove that matches the pipeline. The second electric actuator 50 is installed on the top surface of the support platform 10 along its length and on both sides of the support platform 10. The moving ends of the second electric actuators 50 on both sides are distributed opposite to each other and are used to provide driving force to achieve the function of moving in opposite directions. The bending plates 60 are respectively installed on the moving ends of the second electric actuators 50 on both sides and move in opposite directions under the drive of the second electric actuators 50. The motors 70 are installed on the bending plates 60 on both sides along the length of the support platform 10. The rotating ends of the motors 70 on both sides are distributed opposite to each other and are used to provide driving force to achieve the function of rotational movement. The grinding wheels 80 are respectively installed on the rotating ends of the motors 70 on both sides and rotate under the drive of the motors 70. The clamping member 90 is installed on the top wall of the support platform 10, located between the two top plates 30, and is used to clamp the pipe. Along the width direction of the support platform 10, the clamping member 90 and the support block 40 are located on both sides of the support platform 10. The transport component 100 is installed on the top surface of the support platform 10 and is used to transport the pipe from the location of the support block 40 to the location of the clamping component 90.

[0037] This embodiment of the invention provides a gas pipeline end grinding device. After the pipeline is placed on the support block 40, the operation of the first electric push rods 20 on both sides drives the top plates 30 on both sides to move towards each other or in the same direction. When the top plates 30 on both sides abut against the two ends of the pipeline, the pipeline is centered. Then, the operation of the transport component 100 and the clamping component 90 is controlled in sequence to transport the pipeline from the position of the support block 40 to the position of the clamping component 90 and clamp and fix the pipeline. Then, the operation of the second electric push rods 50 on both sides and the electric operation of both sides causes the grinding wheels 80 on both sides to rotate while moving, thereby grinding both ends of the pipeline simultaneously. Therefore, both ends of the pipeline can be ground at the same time, improving the grinding efficiency of the pipeline.

[0038] Optionally, combined Figure 1 and Figure 4As shown, the support platform 10 includes a support plate and support rods. The support plate is the top wall of the support platform 10, and the top surface of the support plate is the top surface of the support platform 10. The support rods are respectively installed at the four corners of the bottom surface of the support plate.

[0039] In this embodiment, the support plate is used to support the relevant components of the mounting device. The support rods at the four corners are used to abut against the ground, thereby supporting the entire device.

[0040] Optionally, combined Figure 1 and Figure 4 As shown, the clamping member 90 includes a support base 91, grippers 92, a hydraulic cylinder 93, and connecting rods 94. The support base 91 is mounted on the top wall of the support platform 10 and supports the hydraulic cylinder 93 and the rotatable grippers 92. The grippers 92 are rotatably mounted on the support base 91, located on both sides of the support base 91 along the width direction of the support platform 10, and both sides can rotate relative to the support base 91, each including a groove matching the pipe's shape. The hydraulic cylinder 93 is mounted on the support base 91 along the height direction of the support platform 10 and is located below the grippers 92 on both sides, with the moving end of the hydraulic cylinder 93 facing the grippers 92 to provide driving force. The connecting rods 94 are rotatably mounted between the moving end of the hydraulic cylinder 93 and the grippers 92 on both sides, respectively, to transmit driving force, and can rotate relative to both the moving end of the hydraulic cylinder 93 and the grippers 92 on both sides.

[0041] In this embodiment of the disclosure, the hydraulic cylinder 93 is controlled to work. Under the pulling or pushing of the connecting rods 94 on both sides, the grippers 92 on both sides can rotate relative to the support base 91 in opposite directions, thereby clamping or releasing the pipeline.

[0042] Optionally, combined Figure 1 and Figure 4 As shown, the conveying component 100 includes a support frame 101, a linear slide 102, a guide rod cylinder 103, a thumb cylinder 104, and a finger clamp 105. The support frame 101 is mounted on the top surface of the support platform 10 and supports the linear slide 102. The linear slide 102 is mounted on the support frame 101 along the width direction of the support platform 10 and is located above the support block 40 and the clamping member 90 along the height direction of the support platform 10, providing driving force to achieve linear movement. The guide rod cylinder 103 is mounted on the moving end of the linear slide 102 along the height direction of the support platform 10, and moves sequentially above the support block 40 and the clamping member 90 along the width direction of the support platform 10 under the drive of the linear slide 102. The thumb cylinder 104 is mounted on the moving end of the guide rod cylinder 103 and moves along the height direction of the support platform 10 under the drive of the guide rod cylinder 103. Each of the finger clamps 105 is mounted on each moving end of the thumb cylinder 104 for clamping or releasing the pipe, and each includes a groove that matches the pipe. The support block 40 and the two side grippers 92 both include notches for the passage of the finger clamps 105 to avoid interference.

[0043] In this embodiment, the linear slide 102 and the guide rod cylinder 103 work together to enable the thumb cylinder 104 to move along the width and height directions of the support platform 10. This allows the two gripping fingers 105 to move to the positions of the support block 40 and the clamping member 90, respectively, thereby clamping and transporting the pipe from the support block 40 to the clamping member 90, thus automatically transferring the pipe.

[0044] Optionally, combined Figure 1 and Figure 4 As shown, the transport component 100 also includes a movable seat. The movable seat is respectively installed between the movable end of the linear slide 102 and the guide rod cylinder 103 and between the movable end of the guide rod cylinder 103 and the thumb cylinder 104.

[0045] In this embodiment of the disclosure, the movable seat is used to provide stability for the guide rod cylinder 103 and the thumb cylinder 104, and to facilitate the disassembly of the guide rod cylinder 103 and the thumb cylinder 104.

[0046] Optionally, combined Figures 1 to 4 As shown, it also includes a first guide rail and a first slider. The first guide rail is installed on the top surface of the support platform 10 along its length and is used to support the slidable first slider. The first slider is slidably installed on the first guide rail along its length and is located on both sides of the first guide rail. The first guide rail and the two first sliders together serve as guides and supports. Two bent plates 60 are respectively installed on the two first sliders.

[0047] In this embodiment of the present disclosure, the stability of the bending plates 60 on both sides is improved by the guiding support of the first guide rail and the first sliders on both sides, and the radial force on the moving ends of the first electric push rods 20 on both sides is reduced.

[0048] Optionally, combined Figures 1 to 4 As shown, it also includes a second guide rail, a second slider, and a movable plate 110. The second guide rail is installed on the top surface of the support platform 10 along its length and is used to support the slidable second slider. The second slider is slidably installed on the second guide rail along its length and is located on both sides of the second guide rail. The second guide rail and the two second sliders together serve as guides and supports. The movable plates 110 are respectively installed on the two second sliders, and the two top plates 30 are respectively connected to the two movable plates 110, and the two move synchronously.

[0049] In this embodiment, the stability of the moving plates 110 on both sides is improved by the guiding support of the second guide rail and the second sliders on both sides. This further improves the stability of the moving plates on both sides, while reducing the radial force on the moving ends of the second electric push rods 50 on both sides.

[0050] Optionally, combined Figures 1 to 3 As shown, it also includes a first support 120. The first support 120 is installed on the top surface of the support platform 10 along the length direction of the support platform 10 and is located on both sides of the support platform 10. The first electric push rods 20 on both sides are respectively installed on the first support 120 on both sides.

[0051] In this embodiment, the first supports 120 on both sides are used to support and install the first electric push rods 20 on both sides, so as to facilitate the subsequent disassembly, maintenance and replacement of the first electric push rods 20 on both sides.

[0052] Optionally, combined Figures 1 to 4 As shown, it also includes a second support 130. The second support 130 is installed on the top surface of the support platform 10 along the length direction of the support platform 10 and is located on both sides of the support platform 10. The second electric push rods 50 on both sides are respectively installed on the second supports 130 on both sides.

[0053] In this embodiment, the second supports 130 on both sides are used to support and install the second electric push rods 50 on both sides, so as to facilitate the subsequent disassembly, maintenance and replacement of the second electric push rods 50 on both sides.

[0054] The foregoing description and accompanying drawings fully illustrate embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Parts and features of some embodiments may be included or substituted for parts and features of other embodiments. Embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from its scope. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A gas pipeline end grinding device, characterized in that, include: Support platform; The first electric push rod is installed on the top surface of the support platform along the length direction of the support platform and is located on both sides of the support platform, with the moving ends of the first electric push rod on both sides being distributed opposite to each other. The top plate is installed on the moving end of the first electric push rod on both sides; A support block is installed on the top surface of the support platform, located between the two top plates, and is used to support the gas pipeline; The second electric push rod is installed on the top surface of the support platform along the length direction of the support platform and is located on both sides of the support platform, with the moving ends of the second electric push rod on both sides being distributed opposite to each other; The bending plates are respectively installed on the moving ends of the second electric push rods on both sides; Motors are mounted on the two sides of the bending plates along the length of the support platform, with the rotating ends of the motors on both sides being distributed opposite to each other. Grinding wheels are respectively installed on the rotating ends of the motors on both sides; A clamping component is installed on the top wall of the support platform, located between the top plates on both sides, for clamping the gas pipeline. Along the width direction of the support platform, the clamping component and the support block are located on both sides of the support platform. A transport component, installed on the top surface of the support platform, is used for transporting gas pipelines.

2. The gas pipeline end grinding device according to claim 1, characterized in that, The support platform includes: A support plate, wherein the support plate is the top wall of the support platform, and the top surface of the support plate is the top surface of the support platform; Support rods are installed at the four corners of the bottom surface of the support plate.

3. The gas pipeline end grinding device according to claim 1, characterized in that, The clamping element includes: A support base is installed on the top wall of the support platform; The grippers are rotatably mounted on the support base and are located on both sides of the support base along the width direction of the support platform; A hydraulic cylinder is installed on the support base along the height direction of the support platform and is located below the grippers on both sides, with the moving end of the hydraulic cylinder facing the grippers on both sides. The connecting rods are rotatably mounted between the moving end of the hydraulic cylinder and the grippers on both sides.

4. A gas pipeline end grinding device according to claim 3, characterized in that, The transport component includes: A support frame is installed on the top surface of the support platform; A linear slide is mounted on the support frame along the width direction of the support platform and located above the support block and the clamping member along the height direction of the support platform; A guide rod cylinder is installed on the moving end of the linear slide table along the height direction of the support platform. A thumb cylinder is installed at the moving end of the guide rod cylinder; The finger grippers are respectively installed at each moving end of the thumb cylinder, and the support block and the grippers on both sides include notches for the finger grippers to pass through.

5. A gas pipeline end grinding device according to claim 4, characterized in that, The transport component also includes: The movable seats are respectively installed between the movable end of the linear slide table and the guide rod cylinder, and between the movable end of the guide rod cylinder and the thumb cylinder.

6. A gas pipeline end grinding device according to any one of claims 1 to 5, characterized in that, Also includes: The first guide rail is installed on the top surface of the support platform along the length of the support platform; The first slider is slidably mounted on the first guide rail along the length of the support platform and is located on both sides of the first guide rail. The bending plates on both sides are respectively mounted on the first slider on both sides.

7. A gas pipeline port grinding device according to any one of claims 1 to 5, characterized in that, Also includes: The second guide rail is installed on the top surface of the support platform along the length of the support platform; The second slider is slidably mounted on the second guide rail along the length of the support platform and is located on both sides of the second guide rail; Movable plates are respectively installed on the second sliders on both sides, and the top plates on both sides are respectively connected to the movable plates on both sides.

8. A gas pipeline port grinding device according to any one of claims 1 to 5, characterized in that, Also includes: The first support is installed on the top surface of the support platform along the length of the support platform and is located on both sides of the support platform. The first electric push rods on both sides are respectively installed on the first support on both sides.

9. A gas pipeline end grinding device according to any one of claims 1 to 5, characterized in that, Also includes: The second support is installed on the top surface of the support platform along the length of the support platform and is located on both sides of the support platform. The second electric push rods on both sides are respectively installed on the second support on both sides.

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