Tubular heat exchanger pipeline inner wall polishing device

Abstract

The utility model discloses a tubular heat exchanger pipeline inner wall polishing device which comprises a convenient polishing mechanism, an extension mechanism, an observation mechanism and an adjusting mechanism, the convenient polishing mechanism comprises a first electric push rod, one end of the first electric push rod is fixedly connected with a setting plate, and a hidden groove is formed in the setting plate; and a first motor is fixedly mounted in the hidden groove. According to the tubular heat exchanger polishing device, through the arrangement of the convenient polishing mechanism, the adjusting mechanism and the extending mechanism, the convenient polishing mechanism goes deep into the tubular heat exchanger, and a first electric push rod drives a setting plate to move, so that a polishing wheel can make contact with the inner wall of the tubular heat exchanger; the first motor drives the grinding wheel to rotate to grind the inner wall of the tubular heat exchanger, when the inner wall of the tubular heat exchanger is ground, a worker does not need to be fixed in a posture for a long time, the worker does not need to go deep into the tubular heat exchanger, and accidental injuries caused in the grinding process can be prevented.

Description

Technical Field

[0001] The utility model relates to the field of a tube-type heat exchanger pipeline inner wall grinding device, in particular to a tube-type heat exchanger pipeline inner wall grinding device. Background Art

[0002] A tubular heat exchanger is a device used to transfer heat between fluids, usually for heating, cooling or condensation processes; the main components of this heat exchanger are a series of tubes, with one fluid flowing through the tubes and another fluid flowing on the outside of the tubes.

[0003] In order to maintain the fluidity inside the tubular heat exchanger and prevent fouling, the inner wall of the tubular heat exchanger is generally polished. The existing polishing method is that a person squats on the inner wall of the pipe with a grinder in hand and polishes while moving along the length of the pipe. During the polishing process, the person needs to maintain a fixed posture for a long time. Secondly, the person is easily affected by the grinder during the polishing process, causing accidental injuries, and the practicality is not good. Therefore, in order to solve the above problems, a device for polishing the inner wall of a tubular heat exchanger pipe is proposed. Utility Model Content

[0004] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a device for polishing the inner wall of a pipe of a tubular heat exchanger.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for grinding the inner wall of a tubular heat exchanger pipe, comprising a convenient grinding mechanism, an extension mechanism, an observation mechanism and an adjustment mechanism, the convenient grinding mechanism comprising a first electric push rod, one end of the first electric push rod is fixedly connected to a setting plate, a hidden groove is provided inside the setting plate, a first motor is fixedly installed inside the hidden groove, an output end of the first motor is fixedly connected to a rotating shaft, one end of the rotating shaft is fixedly connected to a grinding wheel, a setting groove is provided inside the hidden groove, the device grinds the inner wall of the heat exchanger pipe by contacting the surface of the grinding wheel with the inner wall of the heat exchanger pipe, and the position of the grinding wheel can be adjusted by the extension mechanism and the adjustment mechanism.

[0006] Preferably, the extension mechanism includes a mounting block, a second electric push rod is rotatably mounted on one side of the mounting block, and the adjustment mechanism is arranged on one side of the second electric push rod. After the convenient grinding mechanism penetrates into the heat exchanger pipe, the position of the grinding wheel inside the heat exchanger pipe can be adjusted by extending and retracting the second electric push rod.

[0007] Preferably, two of the convenient grinding mechanisms are provided, and the convenient grinding mechanisms are provided on both sides of the mounting block, and the grinding wheels are provided inside the setting groove. Two first electric push rods are provided on each convenient grinding mechanism, and through the setting of the first electric push rods, the grinding wheels can contact the inner wall of the heat exchanger pipe to grind the inner wall.

[0008] Preferably, the observation mechanism includes a first mounting groove, a camera is fixedly installed inside the first mounting groove, a second mounting groove is opened inside the setting plate, a flashlight is fixedly installed inside the second mounting groove, the first mounting groove is opened inside the setting plate, four flashlights are provided, respectively arranged at the four corners inside the setting plate, so as to illuminate the position observed by the camera.

[0009] Preferably, the adjusting mechanism includes a counterweight block, a mounting frame is fixedly connected to the upper side of the counterweight block, a second motor is fixedly installed on the upper side of the mounting frame, a threaded rod is fixedly connected to the output end of the second motor, an adjusting block is arranged outside the threaded rod, a limiting groove is arranged inside the mounting frame, a limiting block is arranged inside the limiting groove, a connecting rod is fixedly connected to one side of the limiting block, the connecting rod is fixedly connected to the adjusting block, one end of the threaded rod is arranged on the upper side of the counterweight block, and is rotatably connected to the counterweight block, so that the threaded rod can rotate more stably.

[0010] Preferably, the threaded rod is threadedly connected to the adjusting block, the limiting block is slidably connected to the limiting groove, two limiting grooves are provided, and the connecting rods are provided on both sides of the adjusting block.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model sets a convenient grinding mechanism, sets an adjustment mechanism and an extension mechanism to extend the convenient grinding mechanism into the interior of the tubular heat exchanger, drives the setting plate to move by the first electric push rod, so that the grinding wheel can contact the inner wall of the tubular heat exchanger, and drives the grinding wheel to rotate by the first motor to grind the inner wall of the tubular heat exchanger. When grinding the inner wall of the tubular heat exchanger, it is not necessary for manual labor to be fixed in one posture for a long time, and manual labor does not need to go deep into the tubular heat exchanger, which can prevent accidental injuries during the grinding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model from the side;

[0016] Figure 3 It is a schematic diagram of the overall structure of the convenient grinding mechanism of the utility model.

[0017] In the figure: 1. first electric push rod; 2. setting plate; 3. hidden slot; 4. first motor; 5. rotating shaft; 6. grinding wheel; 7. setting slot; 8. mounting block; 9. second electric push rod; 10. first mounting slot; 11. camera; 12. second mounting slot; 13. flashlight; 14. counterweight; 15. mounting frame; 16. second motor; 17. threaded rod; 18. adjusting block; 19. limit slot; 20. limit block; 21. connecting rod. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3A device for grinding the inner wall of a pipe of a tubular heat exchanger comprises a convenient grinding mechanism, an extension mechanism, an observation mechanism and an adjustment mechanism. The convenient grinding mechanism comprises a first electric push rod 1, one end of the first electric push rod 1 is fixedly connected with a setting plate 2, a hidden groove 3 is provided inside the setting plate 2, a first motor 4 is fixedly installed inside the hidden groove 3, a rotating shaft 5 is fixedly connected to the output end of the first motor 4, a grinding wheel 6 is fixedly connected to one end of the rotating shaft 5, a setting groove 7 is provided inside the hidden groove 3, the extension mechanism comprises a mounting block 8, a second electric push rod 9 is fixedly installed on one side of the mounting block 8, the adjustment mechanism is arranged on one side of the second electric push rod 9, two convenient grinding mechanisms are arranged, the convenient grinding mechanisms are arranged on both sides of the mounting block 8, the grinding wheel 6 is arranged inside the setting groove 7, the device can be placed at the pipe port of the tubular heat exchanger, and the height of the convenient grinding mechanism can be adjusted by the adjustment mechanism. degree, and then the convenient grinding mechanism is extended into the interior of the tubular heat exchanger through the extension mechanism, and the setting plate 2 is driven to move by the first electric push rod 1, so that the grinding wheel 6 can contact the inner wall of the tubular heat exchanger, and the grinding wheel 6 is driven by the first motor 4 to rotate to grind the inner wall of the tubular heat exchanger. At the same time, during grinding, the grinding situation can be observed through the observation mechanism, so that when grinding the inner wall of the tubular heat exchanger, there is no need for manual fixation in a posture for a long time, and manual labor does not need to go deep into the tubular heat exchanger, which can prevent accidental injuries during the grinding process. The second electric push rod 9 is rotatably connected to the mounting block 8, and the mounting block 8 can be fixed by an external tool during the grinding process. When the grinding position needs to be adjusted, the grinding wheel 6 can be stopped first, and then the mounting block 8 is rotated to adjust the position of the grinding wheel 6, and then the mounting block 8 is fixed again.

[0020] In one aspect of the present embodiment, when the grinding wheel 6 is disposed inside the tubular heat exchanger to grind the inner wall of the tubular heat exchanger, the flashlight 13 in the second mounting groove 12 can be turned on to illuminate the interior of the tubular heat exchanger, and then the camera 11 installed in the first mounting groove 10 can be turned on to observe the grinding condition inside the tubular heat exchanger through a display connected to the camera 11, so that the grinding position of the grinding wheel 6 can be adjusted conveniently and timely.

[0021] In one aspect of this embodiment, when in use, the device is first used to center the tubular heat exchanger, and then the second motor 16 on the mounting frame 15 is started to drive the threaded rod 17 to rotate. The threaded rod 17 is fixedly connected to the adjusting block 18, and the limit block 20 is slidably connected to the limit groove 19. The limit block 20 is fixedly connected to the adjusting block 18 through the connecting rod 21. Therefore, when the threaded rod 17 rotates, the height of the adjusting block 18 can be adjusted, so that the convenient grinding mechanism can be aligned with the tubular heat exchanger, and the convenient grinding mechanism can be extended into the interior of the tubular heat exchanger to grind the inner wall of the tubular heat exchanger through the setting of the extension mechanism. The counterweight block 14 can place the device more stably.

[0022] Working principle of the utility model: when the tube heat exchanger pipe inner wall grinding device is used, the device is firstly used to center the tube heat exchanger, and then the second motor 16 on the mounting frame 15 is started to drive the threaded rod 17 to rotate, and the threaded rod 17 is fixedly connected to the adjustment block 18 through the setting of the setting of the limit block 20 and the limit groove 19 being slidably connected. The limit block 20 is fixedly connected to the adjustment block 18 through the connecting rod 21. Therefore, when the threaded rod 17 rotates, the height of the adjustment block 18 can be adjusted, so that the convenient grinding mechanism can be aligned with the tube heat exchanger, and then the second electric push rod 9 is started to drive the mounting block 8 to move. Move the convenient grinding mechanism into the interior of the tubular heat exchanger, and then fix the mounting block 8 with an external tool to prevent it from rotating. The first electric push rod 1 drives the setting plate 2 to move so that the grinding wheel 6 can contact the inner wall of the tubular heat exchanger. The first motor 4 drives the grinding wheel 6 to rotate to grind the inner wall of the tubular heat exchanger. At the same time, during grinding, turn on the flashlight 13 to illuminate the inside of the tubular heat exchanger, and then turn on the camera 11 to observe the grinding situation inside the tubular heat exchanger through the display connected to the camera 11. All electrical equipment in this solution is powered by an external power supply.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A tube heat exchanger pipe inner wall grinding device, comprising a convenient grinding mechanism, an extension mechanism, an observation mechanism and an adjustment mechanism, characterized in that: The convenient grinding mechanism comprises a first electric push rod (1), one end of the first electric push rod (1) is fixedly connected to a setting plate (2), a hidden groove (3) is provided inside the setting plate (2), a first motor (4) is fixedly installed inside the hidden groove (3), an output end of the first motor (4) is fixedly connected to a rotating shaft (5), one end of the rotating shaft (5) is fixedly connected to a grinding wheel (6), and a setting groove (7) is provided inside the hidden groove (3).

2. The inner wall polishing device of a tube heat exchanger according to claim 1, characterized in that: The extending mechanism comprises a mounting block (8), a second electric push rod (9) is rotatably mounted on one side of the mounting block (8), and the adjusting mechanism is arranged on one side of the second electric push rod (9).

3. The inner wall polishing device of a tube heat exchanger according to claim 2, characterized in that: The convenient grinding mechanisms are provided with two, and the convenient grinding mechanisms are provided on both sides of the mounting block (8), and the grinding wheel (6) is provided inside the setting groove (7).

4. The inner wall polishing device of a tube heat exchanger according to claim 1, characterized in that: The observation mechanism comprises a first mounting groove (10), a camera (11) is fixedly mounted inside the first mounting groove (10), a second mounting groove (12) is opened inside the setting plate (2), a flashlight (13) is fixedly mounted inside the second mounting groove (12), and the first mounting groove (10) is opened inside the setting plate (2).

5. The inner wall polishing device of a tube heat exchanger according to claim 1, characterized in that: The adjustment mechanism comprises a counterweight (14), a mounting frame (15) is fixedly connected to the upper side of the counterweight (14), a second motor (16) is fixedly mounted to the upper side of the mounting frame (15), a threaded rod (17) is fixedly connected to the output end of the second motor (16), an adjustment block (18) is arranged outside the threaded rod (17), a limiting groove (19) is provided inside the mounting frame (15), a limiting block (20) is arranged inside the limiting groove (19), a connecting rod (21) is fixedly connected to one side of the limiting block (20), and the connecting rod (21) is fixedly connected to the adjustment block (18).

6. The inner wall polishing device of a tube heat exchanger according to claim 5, characterized in that: The threaded rod (17) is threadedly connected to the adjustment block (18), and the limiting block (20) is slidably connected to the limiting groove (19).

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