Flushing and connecting device for oil pipeline of radiator

Abstract

The utility model provides a radiator oil pipeline flushing and connecting device, which relates to the technical field of finned radiator related equipment, and comprises a flushing pipe structure, a pressing and fixing mechanism and a radiating pipe joint assembly, the flushing pipe structure comprises a conical joint, and the conical joint is connected with the radiating pipe joint assembly; the pressing and fixing mechanism is connected with the flushing pipe structure, and the pressing and fixing mechanism is used for pressing and connecting the heat dissipation pipe joint assembly and the flushing pipe structure, so that the conical joint is fixed relative to the heat dissipation pipe joint assembly; the heat dissipation pipe joint assembly is used for being connected with a heat dissipation pipe of an external heat dissipation device. The technical problems that in the prior art, an upper pipe connector and a lower pipe connector of a radiator are inconvenient to connect with a pipe connector of a flushing device, and oil leakage is caused due to the fact that fastening force is not in place are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of plate-type radiator related equipment, in particular to a radiator oil pipeline flushing connection device. Background Art

[0002] The plate radiator is a heat exchange device used in oil-immersed transformers or reactor products, and its appearance is a metal plate.

[0003] According to industry standards, the plate radiator needs to undergo an internal flushing test to ensure the cleanliness of the inner cavity of the plate radiator. The internal flushing test uses heated transformer oil to circulate and flush the inner cavity of the radiator through a flushing device. The transformer oil is flushed into the upper port of the plate radiator and flushed out from the lower port. The upper and lower ports of the radiator are connected by a unified pipe joint flange connection method, and the flushing equipment also uses pipe joints of the same caliber to connect to the inlet and outlet of the radiator.

[0004] However, currently, when the radiator is subjected to an internal flushing test, the upper and lower pipe joints of the radiator and the pipe joint of the flushing device generally use two pipe joint flanges connected to each other and fastened with bolts. Utility Model Content

[0005] The utility model aims to provide a radiator oil pipeline flushing connection device to alleviate the technical problems existing in the prior art of inconvenient connection between the upper and lower pipe joints of the radiator and the pipe joints of the flushing device, as well as oil leakage caused by insufficient tightening force.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] In a first aspect, the utility model provides a radiator oil pipeline flushing connection device, comprising a flushing pipe structure, a pressing and fixing mechanism and a radiating pipe joint assembly, wherein the flushing pipe structure comprises a tapered joint, and the tapered joint is connected to the radiating pipe joint assembly;

[0008] The pressing and fixing mechanism is connected to the flushing pipe structure, and the pressing and fixing mechanism is used to press and connect the heat dissipation pipe joint assembly with the flushing pipe structure, so that the conical joint is fixed relative to the heat dissipation pipe joint assembly;

[0009] The heat dissipation pipe joint assembly is used to connect with the heat dissipation pipe of the external radiator body.

[0010] Further, the flushing pipe structure includes a flushing pipe assembly and a bracket assembly, and the flushing pipe assembly is connected to the bracket assembly;

[0011] The flushing pipe assembly includes the tapered joint;

[0012] The pressing and fixing mechanism is connected to the bracket assembly.

[0013] Furthermore, the flushing pipe assembly further comprises a flushing pipe body, one end of which is connected to the joint, and the other end of which is used to be connected to an external flushing device;

[0014] The bracket assembly is connected to one end of the flushing pipe body facing the joint.

[0015] Furthermore, the flushing pipe assembly also includes an elastic bellows, which is sleeved on the outer wall of the flushing pipe body and is used to limit the flushing pipe body.

[0016] Further, the bracket assembly includes a first joint flange and a bracket body, and the first joint flange is connected to the conical joint, and the first joint flange is tightly abutted against the heat dissipation pipe joint assembly;

[0017] The bracket body is connected to the first joint flange, and the bracket body is connected to the clamping and fixing mechanism.

[0018] Further, the clamping and fixing mechanism comprises a cylinder and a clamping assembly, and the cylinder is connected to the flushing pipe structure;

[0019] The clamping assembly is connected to the cylinder, and the cylinder is used to drive the clamping assembly to clamp and fix the heat dissipation pipe joint assembly.

[0020] Further, the clamping assembly includes a driving rod, a pressing plate and a connecting rod, one end of the driving rod is connected to the output end of the cylinder, and the other end is rotatably connected to the pressing plate;

[0021] One end of the connecting rod is connected to the cylinder, and the other end is rotatably connected to the pressing plate;

[0022] The end of the pressing plate away from the driving rod is used to press and fix the heat dissipation pipe joint assembly.

[0023] Furthermore, a second joint flange is provided at one end of the heat dissipation pipe joint assembly facing the flushing pipe structure, and the second joint flange is tightly connected to the flushing pipe structure through the clamping and fixing mechanism.

[0024] Furthermore, a sealing ring is circumferentially provided on a side of the second joint flange facing the flushing pipe structure, and the sealing ring is used to seal the joint between the second joint flange and the flushing pipe structure.

[0025] Furthermore, the conical joint is provided with slots spaced apart along the circumference of the end portion thereof.

[0026] The utility model can achieve the following beneficial effects:

[0027] In the first aspect, the utility model provides a radiator oil pipeline flushing connection device, including a flushing pipe structure, a clamping and fixing mechanism and a heat dissipation pipe joint assembly, the flushing pipe structure including a tapered joint, the tapered joint being connected to the heat dissipation pipe joint assembly; the clamping and fixing mechanism being connected to the flushing pipe structure, and the clamping and fixing mechanism being used to clamp and connect the heat dissipation pipe joint assembly to the flushing pipe structure so that the tapered joint is fixed relative to the heat dissipation pipe joint assembly; the heat dissipation pipe joint assembly being used to connect to the heat dissipation pipe of an external radiator body.

[0028] In the utility model, one end of the flushing pipe structure is connected to an external feeding device, and the other end is provided with a conical joint. When in use, the conical joint is inserted into the heat dissipation pipe joint assembly, and after insertion, the flushing pipe structure and the heat dissipation pipe joint assembly are pressed and fixed by a clamping and fixing mechanism to avoid technical problems such as oil leakage caused by insufficient tightening force.

[0029] Compared with the prior art, the radiator oil pipeline flushing connection device provided by the utility model sets one end of the flushing pipe structure as a conical joint to facilitate its insertion into the radiator pipe joint assembly, and then achieves a tight connection between the two through a clamping and fixing mechanism, thereby avoiding the technical problem of oil leakage at the connection portion between the two.

[0030] In summary, the utility model at least alleviates the technical problems existing in the prior art of the inconvenience in connecting the upper and lower pipe joints of the radiator with the pipe joints of the flushing device, as well as the oil leakage caused by insufficient tightening force. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 A schematic diagram of the overall structure of the radiator oil pipeline flushing connection device provided by the embodiment of the utility model in the use state;

[0033] Figure 2 A schematic diagram of the front view of the structure of the radiator oil pipeline flushing connection device provided by an embodiment of the utility model;

[0034] Figure 3 A schematic side view of the partial structure of a radiator oil pipeline flushing connection device provided in an embodiment of the utility model.

[0035] Icons: 1-flushing pipe structure; 11-flushing pipe assembly; 111-flushing pipe body; 112-joint; 1121-slot; 113-elastic bellows; 12-bracket assembly; 121-first joint flange; 122-bracket body; 2-clamping and fixing mechanism; 21-cylinder; 22-clamping assembly; 221-driving rod; 222-pressure plate; 223-connecting rod; 3-heat dissipation pipe joint assembly; 31-second joint flange; 311-sealing ring; 4-radiator body. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0037] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0039] In the description of the present utility model, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0040] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0041] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0043] Embodiment 1

[0044] This embodiment provides a radiator oil pipeline flushing connection device, referring to Figure 1 The radiator oil pipeline flushing connection device includes a flushing pipe structure 1, a clamping and fixing mechanism 2 and a heat dissipation pipe joint assembly 3. The flushing pipe structure 1 includes a tapered joint 112, and the tapered joint 112 is connected to the heat dissipation pipe joint assembly 3; the clamping and fixing mechanism 2 is connected to the flushing pipe structure 1, and the clamping and fixing mechanism 2 is used to clamp and connect the heat dissipation pipe joint assembly 3 with the flushing pipe structure 1 so that the tapered joint 112 is fixed relative to the heat dissipation pipe joint assembly 3; the heat dissipation pipe joint assembly 3 is used to connect to the heat dissipation pipe of the external radiator body 4.

[0045] The embodiments of the utility model at least alleviate the technical problems existing in the prior art of the inconvenience in connecting the upper and lower pipe joints of the radiator with the pipe joints of the flushing device, as well as the oil leakage caused by insufficient fastening force.

[0046] In the embodiment of the utility model, one end of the flushing pipe structure 1 is connected to an external feeding device, and the other end is provided with a conical joint 112. When in use, the conical joint 112 is inserted into the heat dissipation pipe joint assembly 3, and after insertion, the flushing pipe structure 1 and the heat dissipation pipe joint assembly 3 are pressed and fixed by the clamping and fixing mechanism 2 to avoid technical problems such as oil leakage caused by insufficient tightening force.

[0047] Compared with the prior art, the radiator oil pipeline flushing connection device provided in the embodiment of the utility model, by setting one end of the flushing pipe structure 1 as a conical joint 112, so as to facilitate its extension into the radiator pipe joint assembly 3, and then the two are tightly connected through the clamping and fixing mechanism 2, thereby avoiding the technical problem of oil leakage at the connection portion of the two.

[0048] In an optional implementation manner of this embodiment, refer to Figure 2 or Figure 3The flushing pipe structure 1 includes a flushing pipe assembly 11 and a bracket assembly 12 , the flushing pipe assembly 11 is connected to the bracket assembly 12 ; the flushing pipe assembly 11 includes a conical joint 112 ; the clamping and fixing mechanism 2 is connected to the bracket assembly 12 .

[0049] Specifically: the flushing pipe assembly 11 is connected to the bracket assembly 12. When in use, the bracket assembly 12 is connected to an external device, and one end of the flushing pipe assembly 11 is provided with a conical joint 112, and the other end is connected to an external feeding device; and the clamping and fixing mechanism 2 is connected to the bracket assembly 12. After the conical joint 112 is plugged into the heat dissipation pipe joint assembly 3, the heat dissipation pipe joint assembly 3 is fixed relative to the bracket assembly 12 by the clamping and fixing mechanism 2.

[0050] Further, refer to Figure 2 The flushing tube assembly 11 also includes a flushing tube body 111, one end of which is connected to the conical joint 112, and the other end is used to connect to an external flushing device; the bracket assembly 12 is connected to one end of the flushing tube body 111 facing the conical joint 112.

[0051] Specifically: one end of the flushing tube body 111 is connected to the conical joint 112, and the connecting end of the flushing tube body 111 and the conical joint 112 is connected to the bracket assembly 12. When in use, the conical joint 112 is fully inserted into the heat dissipation pipe joint assembly 3 until the heat dissipation pipe joint assembly 3 abuts against the bracket assembly 12.

[0052] Further, refer to Figure 2 or Figure 3 The flushing pipe assembly 11 also includes an elastic bellows 113 , which is sleeved on the outer wall of the flushing pipe body 111 and is used to limit the flushing pipe body 111 .

[0053] Specifically: the elastic bellows 113 is sleeved on the outer wall of the flushing tube body 111, and the flushing tube body 111 is limited by the elastic force of the elastic bellows 113 to avoid deviation of the flushing tube body 111 during the movement and insertion process, so as to make the insertion process smoother.

[0054] In an optional implementation manner of this embodiment, refer to Figure 2 or Figure 3 The bracket assembly 12 includes a first joint flange 121 and a bracket body 122, and the first joint flange 121 is connected to the conical joint 112, and the first joint flange 121 is tightly abutted against the heat dissipation pipe joint assembly 3; the bracket body 122 is connected to the first joint flange 121, and the bracket body 122 is connected to the clamping and fixing mechanism 2.

[0055] Specifically: the first joint flange 121 is connected to the external device through the bracket body 122, and the first joint flange 121 is connected to the flushing pipe assembly 11. After the flushing pipe assembly 11 is inserted into the heat dissipation pipe joint assembly 3, the first joint flange 121 is tightly abutted against the heat dissipation pipe joint assembly 3; and the clamping and fixing mechanism 2 is preferably provided with two, and the two clamping and fixing mechanisms 2 are relatively distributed and connected to the bracket body 122. The clamping and fixing mechanism 2 is used to connect the first joint flange 121 and the heat dissipation pipe joint assembly 3 more tightly.

[0056] In an optional implementation manner of this embodiment, refer to Figure 2 or Figure 3 The clamping and fixing mechanism 2 includes a cylinder 21 and a clamping assembly 22. The cylinder 21 is connected to the flushing pipe structure 1; the clamping assembly 22 is connected to the cylinder 21, and the cylinder 21 is used to drive the clamping assembly 22 to clamp and fix the heat dissipation pipe joint assembly 3.

[0057] Specifically, the cylinder 21 is connected to the bracket assembly 12 , and the output end of the cylinder 21 is pressed and fixed relative to the first joint flange 121 by the pressing assembly 22 .

[0058] Further, refer to Figure 2 or Figure 3 The clamping assembly 22 includes a driving rod 221, a pressing plate 222 and a connecting rod 223. One end of the driving rod 221 is connected to the output end of the cylinder 21, and the other end is rotatably connected to the pressing plate 222; one end of the connecting rod 223 is connected to the cylinder 21, and the other end is rotatably connected to the pressing plate 222; the end of the pressing plate 222 away from the driving rod 221 is used to clamp and fix the heat dissipation pipe joint assembly 3.

[0059] Specifically, one end of the driving rod 221 is connected to the output end of the cylinder 21, and the other end is rotatably connected to one end of the pressing plate 222; one end of the connecting rod 223 is connected to the cylinder 21, and the other end is rotatably connected to the middle of the pressing plate 222. When in use, the cylinder 21 pushes out the driving rod 221, and at this time, the driving rod 221 pushes one end of the pressing plate 222, and the other end of the pressing plate 222 rotates in the opposite direction due to the rotation support of the connecting rod 223, that is, moves toward the direction of the first joint flange 121, and during the movement, it abuts against the heat dissipation pipe joint assembly 3, thereby pressing the heat dissipation pipe joint assembly 3 against the first joint flange 121.

[0060] In an optional implementation manner of this embodiment, refer to Figure 2 or Figure 3 A second joint flange 31 is provided at one end of the heat dissipation pipe joint assembly 3 facing the flushing pipe structure 1 , and the second joint flange 31 is tightly connected to the flushing pipe structure 1 through a clamping and fixing mechanism 2 .

[0061] Specifically: when the conical joint 112 is inserted into the heat dissipation pipe joint assembly 3, the first joint flange 121 abuts against the second joint flange 31. At this time, the driving rod 221 is pushed by the cylinder 21, thereby driving the pressure plate 222 to press on the second joint flange 31, so as to achieve the technical effect of pressing the second joint flange 31 on the first joint flange 121.

[0062] Further, refer to Figure 2 or Figure 3 A sealing ring 311 is circumferentially provided on one side of the second joint flange 31 facing the flushing pipe structure 1 , and the sealing ring 311 is used to seal the joint between the second joint flange 31 and the flushing pipe structure 1 .

[0063] Specifically: a sealing ring 311 is circumferentially provided on one side of the second joint flange 31 facing the first joint flange 121 , and the sealing ring 311 is used to seal the joint between the second joint flange 31 and the flushing pipe structure 1 to avoid oil leakage.

[0064] Preferably, a sealing member is provided on the conical surface of the conical joint 112 to achieve a sealing effect from the inside of the heat dissipation pipe joint assembly 3 .

[0065] In an optional implementation manner of this embodiment, refer to Figure 2 The conical joint 112 is provided with slots 1121 spaced apart circumferentially along the end thereof.

[0066] Preferably, the front end of the conical joint 112 is provided with slots 1121 at intervals, so that after flushing is completed and the conical joint 112 is pulled out, the oil on the surface can flow into the conical pipe along the slots 1121, thereby preventing a large amount of oil from dripping onto the ground or equipment, thereby avoiding contaminating the ground and equipment.

[0067] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referenced to each other; the above embodiments in this specification are only used to illustrate the technical solution of the utility model, rather than to limit it; although the utility model is described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that: it is still possible to modify the technical solutions recorded in the aforementioned embodiments, or to replace some or all of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A radiator oil pipeline flushing connection device, characterized in that: It comprises a flushing pipe structure (1), a pressing and fixing mechanism (2) and a heat dissipation pipe joint assembly (3), wherein the flushing pipe structure (1) comprises a conical joint (112), and the conical joint (112) is connected to the heat dissipation pipe joint assembly (3); The pressing and fixing mechanism (2) is connected to the flushing pipe structure (1), and the pressing and fixing mechanism (2) is used to press and connect the heat dissipation pipe joint assembly (3) to the flushing pipe structure (1), so that the conical joint (112) is fixed relative to the heat dissipation pipe joint assembly (3); The heat dissipation pipe joint assembly (3) is used to connect to the heat dissipation pipe of an external radiator body (4).

2. The radiator oil pipeline flushing connection device according to claim 1, characterized in that: The flushing pipe structure (1) comprises a flushing pipe assembly (11) and a bracket assembly (12), wherein the flushing pipe assembly (11) is connected to the bracket assembly (12); The flushing pipe assembly (11) comprises the conical joint (112); The pressing and fixing mechanism (2) is connected to the bracket assembly (12).

3. The radiator oil pipeline flushing connection device according to claim 2, characterized in that: The flushing pipe assembly (11) further comprises a flushing pipe body (111), one end of the flushing pipe body (111) being connected to the conical joint (112), and the other end of the flushing pipe body (111) being used to be connected to an external flushing device; The support assembly (12) is connected to one end of the flushing pipe body (111) facing the conical joint (112).

4. The radiator oil pipeline flushing connection device according to claim 3, characterized in that: The flushing pipe assembly (11) further comprises an elastic bellows (113), wherein the elastic bellows (113) is sleeved on the outer wall of the flushing pipe body (111), and the elastic bellows (113) is used to limit the position of the flushing pipe body (111).

5. The radiator oil pipeline flushing connection device according to claim 2, characterized in that: The bracket assembly (12) comprises a first joint flange (121) and a bracket body (122), and the first joint flange (121) is connected to the conical joint (112), and the first joint flange (121) is tightly abutted against the heat dissipation pipe joint assembly (3); The support body (122) is connected to the first joint flange (121), and the support body (122) is connected to the pressing and fixing mechanism (2).

6. The radiator oil pipeline flushing connection device according to claim 1, characterized in that: The clamping and fixing mechanism (2) comprises a cylinder (21) and a clamping assembly (22), and the cylinder (21) is connected to the flushing pipe structure (1); The pressing assembly (22) is connected to the cylinder (21), and the cylinder (21) is used to drive the pressing assembly (22) to press and fix the heat dissipation pipe joint assembly (3).

7. The radiator oil pipeline flushing connection device according to claim 6, characterized in that: The clamping assembly (22) comprises a driving rod (221), a pressing plate (222) and a connecting rod (223); one end of the driving rod (221) is connected to the output end of the cylinder (21), and the other end is rotatably connected to the pressing plate (222); One end of the connecting rod (223) is connected to the cylinder (21), and the other end is rotatably connected to the pressing plate (222); One end of the pressing plate (222) away from the driving rod (221) is used to press and fix the heat dissipation pipe joint assembly (3).

8. The radiator oil pipeline flushing connection device according to claim 1, characterized in that: The heat dissipation pipe joint assembly (3) is provided with a second joint flange (31) at one end facing the flushing pipe structure (1); the second joint flange (31) is tightly connected to the flushing pipe structure (1) via the clamping and fixing mechanism (2).

9. The radiator oil pipeline flushing connection device according to claim 8, characterized in that: A sealing ring (311) is provided along the circumference of a side of the second joint flange (31) facing the flushing pipe structure (1), and the sealing ring (311) is used to seal the joint between the second joint flange (31) and the flushing pipe structure (1).

10. The radiator oil pipeline flushing connection device according to any one of claims 1 to 9, characterized in that: The conical joint (112) is provided with slots (1121) spaced apart along the circumference of the end portion thereof.

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