Exciting coil for petroleum pipeline transportation

Abstract

The utility model discloses an exciting coil for petroleum pipeline transportation, which is characterized in that an insulating layer for protecting the exciting coil and preventing the exciting coil from short circuit is arranged outside the exciting coil, and an electrical connector for ensuring that current can smoothly pass through is connected outside the exciting coil. According to the exciting coil for petroleum pipeline transportation, lubricating oil is injected into the oil accumulation spiral groove in the exciting coil, leakage is prevented by means of the sealing cover, and the friction force of the movable iron core in the operation process is effectively reduced. And meanwhile, the durability of the lubricating effect is ensured through complete infiltration of the lubricating oil, and the durability of the device is further enhanced. The first connecting shell and the second connecting shell are slowly closed through elastic force of the torsion spring, and firm locking of the exciting coil and the electrical connector in the mounting groove is ensured through matched use of the mounting sleeve, the first gasket, the second gasket and the locking sleeve.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of exciting coil, concretely relates to an exciting coil for petroleum pipeline transportation. BACKGROUND

[0002] In the petroleum pipeline transportation system, the exciting coil as a key component, its performance stability and reliability are directly related to the operation efficiency and safety of the whole transportation system.

[0003] For example, the utility model discloses a kind of exciting coil of Chinese utility model patent (authorized announcement number CN201655454U), the exciting coil uses multilayer insulation coating, so that the coil insulation performance is good, and after being wound into, soak ET-90A insulating varnish, further increase the insulation performance of coil. However, in actual use process, since the protection measures of exciting coil are not perfect enough, just rely on simple wrapping or coating to protect, this protection mode is not up to the task when facing harsh transportation environment. For example, in humid environment, coil is prone to dampness and lead to short circuit;In corrosive environment, the coating on the surface of coil is easy to fall off, and then expose the metal part inside coil, accelerate the corrosion process;And in physical impact or vibration environment, the fixed mode of coil can not be stable enough, lead to coil loosening or damage. In addition, the exciting coil in prior art also has many inconveniences in installation and maintenance process. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of exciting coil for petroleum pipeline transportation, can effectively prevent the accidental separation of first connecting shell and second connecting shell in use process, to improve the overall stability and security of device.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of exciting coil for petroleum pipeline transportation, including the exciting coil for petroleum pipeline transportation, the insulating layer of the exciting coil outside is provided with the insulating layer of the exciting coil and prevents the short circuit of exciting coil, the electrical connector of the current that the exciting coil outside is connected with is ensured to pass smoothly.

[0006] The first connecting shell is provided outside the exciting coil to support and protect the exciting coil, and the second connecting shell is rotatably arranged outside the first connecting shell.

[0007] An assembly auxiliary assembly is arranged between the first connecting shell and the second connecting shell to assemble and fix the first connecting shell and the second connecting shell.

[0008] The assembly auxiliary assembly includes a first mounting bracket arranged outside the first connecting shell and a second mounting bracket arranged outside the second connecting shell, and the first mounting bracket and the second mounting bracket are rotatably mounted.

[0009] Preferably, the assembly auxiliary assembly further comprises a connecting rod arranged in the first mounting frame, and the connecting rod is externally sleeved with a torsional spring.

[0010] Preferably, the two ends of the torsional spring are fixedly connected with the second mounting frame.

[0011] Preferably, the assembly auxiliary assembly further comprises a mounting sleeve arranged outside the first connecting shell and the second connecting shell, and the mounting sleeve is externally threadedly connected with a locking sleeve.

[0012] Preferably, the assembly auxiliary assembly further comprises a first gasket arranged outside the mounting sleeve, and the locking sleeve is externally fixed with a second gasket close to the first gasket.

[0013] Preferably, the excitation coil is provided with an oil storage assembly for reducing the friction when the moving iron core moves up and down, the oil storage assembly comprises an oil injection port arranged in the excitation coil, and the excitation coil is further provided with an oil accumulation spiral groove for flowing lubricating oil.

[0014] Preferably, the oil storage assembly further comprises a cover arranged in the excitation coil for avoiding the leakage of lubricating oil during use, and the cover is located away from the oil injection port.

[0015] Preferably, the first connecting shell and the second connecting shell are both provided with a mounting groove for passing through the electrical connector.

[0016] Compared with the prior art, the excitation coil for oil pipeline transportation has the following beneficial effects:

[0017] 1. The excitation coil for oil pipeline transportation effectively reduces the friction of the moving iron core during operation by injecting lubricating oil into the oil accumulation spiral groove in the excitation coil and preventing leakage by means of the cover. This design not only improves the operation efficiency of the device, but also significantly prolongs the service life of the moving iron core and related components, because the wear caused by friction is reduced. At the same time, the complete immersion of the lubricating oil ensures the durability of the lubrication effect, further enhancing the durability of the device.

[0018] 2. The excitation coil for oil pipeline transportation utilizes the elastic force of the torsional spring to achieve slow closure of the first connecting shell and the second connecting shell, and through the cooperation of the mounting sleeve, the first gasket, the second gasket and the locking sleeve, the firm locking of the excitation coil and its electrical connector in the mounting groove is ensured. This design effectively prevents accidental separation of the first connecting shell and the second connecting shell during use, thereby improving the overall stability and safety of the device. Stable connection not only ensures reliable transmission of electrical signals, but also reduces the risk of faults caused by loose connection. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1The utility model discloses a kind of petroleum pipeline conveying excitation coil three-dimensional structure schematic diagram Figure One .

[0020] Figure 2 The utility model discloses a kind of petroleum pipeline conveying excitation coil three-dimensional structure schematic diagram Figure Two .

[0021] Figure 3 The utility model discloses a kind of petroleum pipeline conveying excitation coil partial three-dimensional structure schematic diagram Figure One .

[0022] Figure 4 The utility model discloses a kind of petroleum pipeline conveying excitation coil partial three-dimensional structure schematic diagram Figure Two .

[0023] Figure 5 The utility model discloses a kind of petroleum pipeline conveying excitation coil partial three-dimensional structure schematic diagram Figure Three .

[0024] Figure 6 The utility model discloses a kind of petroleum pipeline conveying excitation coil partial disassembly structure schematic view.

[0025] Figure 7 The utility model discloses a kind of petroleum pipeline conveying excitation coil partial three-dimensional structure schematic diagram Figure Four .

[0026] In the drawing: 1, excitation coil;2, insulating layer;3, electrical connector;4, first connecting shell;5, second connecting shell;6, assembly auxiliary assembly;61, first mounting bracket;62, second mounting bracket;63, connecting rod;64, torsional spring;65, mounting sleeve;66, first gasket;67, second gasket;68, locking sleeve;7, oil storage assembly;71, oil inlet;72, oil accumulation spiral groove;73, cover. Specific implementation

[0027] In order to further understand the features, technical means and specific purposes and functions achieved by the utility model, the utility model is further described in detail in conjunction with the drawings and specific embodiments.

[0028] Embodiment one: please refer to Figures 1-6 The utility model provides a kind of technical scheme: a kind of petroleum pipeline conveying excitation coil, including the excitation coil 1 for petroleum pipeline conveying, the excitation coil 1 outside is provided with the insulating layer 2 of protection excitation coil 1 and prevent excitation coil 1 short circuit, excitation coil 1 is connected with the electrical connector 3 of ensuring that current can smoothly pass.

[0029] The excitation coil 1 is provided with a first connecting shell 4 outside the excitation coil 1 for supporting and protecting the excitation coil 1, and the first connecting shell 4 is rotationally provided with a second connecting shell 5 outside.

[0030] An assembly auxiliary assembly 6 is arranged between the first connecting shell 4 and the second connecting shell 5 for assembling and fixing the first connecting shell 4 and the second connecting shell 5.

[0031] The assembly auxiliary assembly 6 comprises a first mounting bracket 61 arranged outside the first connecting shell 4 and a second mounting bracket 62 arranged outside the second connecting shell 5, and the first mounting bracket 61 is rotationally mounted with the second mounting bracket 62. This design protects the excitation coil 1 through the insulating layer 2 to prevent short circuit, and the electrical connector 3 ensures smooth current, and the first connecting shell 4 and the second connecting shell 5 and the assembly auxiliary assembly 6 provide stable support and protection, facilitating installation and maintenance.

[0032] Further, the assembly auxiliary assembly 6 further comprises a connecting rod 63 arranged in the first mounting bracket 61, and the connecting rod 63 is provided with a torsional spring 64. The arrangement of the torsional spring 64 enables the first connecting shell 4 and the second connecting shell 5 to be automatically closed, thereby improving the assembly efficiency and stability.

[0033] Further, the two ends of the torsional spring 64 are fixedly connected with the second mounting bracket 62. The fixed connection of the two ends of the torsional spring 64 ensures the stability and durability of the torsional spring 64, and further improves the closing effect of the first connecting shell 4 and the second connecting shell 5.

[0034] Further, the assembly auxiliary assembly 6 further comprises a mounting sleeve 65 arranged outside the first connecting shell 4 and the second connecting shell 5, and the mounting sleeve 65 is threadedly connected with a locking sleeve 68 outside. The design of the mounting sleeve 65 and the locking sleeve 68 provides an additional fixing mode, thereby enhancing the connection strength between the first connecting shell 4 and the second connecting shell 5.

[0035] Further, the assembly auxiliary assembly 6 further comprises a first gasket 66 arranged outside the mounting sleeve 65, and a second gasket 67 is fixedly arranged outside the locking sleeve 68 close to the first gasket 66. The cooperation of the first gasket 66 and the second gasket 67 further enhances the locking effect of the locking sleeve 68 to prevent loosening.

[0036] Further, the first connecting shell 4 and the second connecting shell 5 are each provided with a mounting groove for the electrical connector 3 to pass through. The design of the mounting groove enables the electrical connector 3 to pass through smoothly, while ensuring the close closure of the first connecting shell 4 and the second connecting shell 5, without affecting the function of the electrical connector 3.

[0037] Embodiment two: please refer to Figure 7And combined with the first embodiment, further obtained, the excitation coil 1 is provided with the oil storage assembly 7 for reducing the friction force when the moving iron core moves up and down, the oil storage assembly 7 includes the oil injection port 71 arranged in the excitation coil 1, and the oil storage spiral groove 72 for the lubricating oil to flow is also arranged in the excitation coil 1. The design of the oil storage assembly 7 effectively reduces the friction force of the moving iron core, improves the operation efficiency, and the oil storage spiral groove 72 ensures uniform distribution of the lubricating oil and persistent lubrication.

[0038] Further, the oil storage assembly 7 further comprises a cover 73 arranged in the excitation coil 1 for avoiding the lubricating oil from being discharged during use, and the cover 73 is located away from the oil injection port 71. The cover 73 effectively prevents the leakage of the lubricating oil, and ensures the long-term stable operation of the oil storage assembly 7.

[0039] In actual operation, first, the insulating layer 2 is installed outside the excitation coil 1. In order to reduce the friction force of the moving iron core during operation, the lubricating oil is added to the oil storage spiral groove 72 in the excitation coil 1 through the oil injection port 71, until the lubricating oil completely wets the inside of the excitation coil 1, and under the action of the cover 73, the lubricating oil can be prevented from being discharged in the subsequent use process.

[0040] Then, the first connecting shell 4 and the second connecting shell 5 are unfolded, and the excitation coil 1 is arranged between the two. Then, the first connecting shell 4 is slowly released, the elastic force of the torsional spring 64 is used to slowly close the first connecting shell 4 and the second connecting shell 5, and at the same time, the mounting sleeve 65 is combined, and the electrical connector 3 is also embedded into the mounting groove of the first connecting shell 4 and the second connecting shell 5.

[0041] Then, the first gasket 66 is sleeved outside the mounting sleeve 65, and the locking sleeve 68 is sleeved on the mounting sleeve 65. By rotating the mounting sleeve 65, the second gasket 67 is in contact with the first gasket 66. Under the joint action of the second gasket 67 and the locking sleeve 68, the first connecting shell 4 and the second connecting shell 5 are firmly locked, and separation during use is prevented.

[0042] The above embodiments only express one or several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. An excitation coil for oil pipeline transportation, comprising an excitation coil (1), wherein an insulating layer (2) is provided outside the excitation coil (1) to protect the excitation coil (1) and prevent short circuits in the excitation coil (1), characterized in that: The excitation coil (1) is externally connected to an electrical connector (3) to ensure that the current can pass smoothly; The excitation coil (1) is provided with a first connecting shell (4) for supporting and protecting the excitation coil (1), and a second connecting shell (5) is rotatably provided outside the first connecting shell (4); An assembly auxiliary component (6) for assembling and fixing the first connecting shell (4) and the second connecting shell (5) is provided between the first connecting shell (4) and the second connecting shell (5); The assembly auxiliary component (6) includes a first mounting bracket (61) disposed outside the first connecting shell (4) and a second mounting bracket (62) disposed outside the second connecting shell (5), wherein the first mounting bracket (61) and the second mounting bracket (62) are rotatably mounted.

2. The excitation coil for oil pipeline transportation according to claim 1, characterized in that: The assembly auxiliary component (6) further includes a connecting rod (63) disposed in the first mounting bracket (61), and the connecting rod (63) is fitted with a torsion spring (64).

3. The excitation coil for oil pipeline transportation according to claim 2, characterized in that: The two ends of the torsion spring (64) are fixedly connected to the second mounting bracket (62).

4. The excitation coil for oil pipeline transportation according to claim 1, characterized in that: The assembly auxiliary component (6) further includes an installation sleeve (65) disposed outside the first connecting shell (4) and the second connecting shell (5), and the installation sleeve (65) is externally threaded with a locking sleeve (68).

5. The excitation coil for oil pipeline transportation according to claim 4, characterized in that: The assembly auxiliary component (6) further includes a first gasket (66) disposed outside the mounting sleeve (65), and a second gasket (67) is fixed to the side of the locking sleeve (68) near the first gasket (66).

6. The excitation coil for oil pipeline transportation according to claim 1, characterized in that: The excitation coil (1) is provided with an oil storage component (7) to reduce the friction force when the moving iron core moves up and down. The oil storage component (7) includes an oil inlet (71) provided in the excitation coil (1). The excitation coil (1) is also provided with an oil accumulation spiral groove (72) for lubricating oil to flow.

7. An excitation coil for oil pipeline transportation according to claim 6, characterized in that: The oil storage assembly (7) also includes a cap (73) disposed in the excitation coil (1) to prevent lubricating oil from being discharged during use. The cap (73) is located on the side away from the oil inlet (71).

8. An excitation coil for oil pipeline transportation according to claim 1, characterized in that: Both the first connecting shell (4) and the second connecting shell (5) have mounting grooves through which the power supply connector (3) passes.

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