Petrochemical pipeline coupling with compensation function

Abstract

The utility model discloses a petrochemical pipeline coupling with a compensation function, which relates to the technical field of petroleum pipeline connection and comprises a bottom plate, a plurality of mounting holes are arranged on the bottom plate, a lower fixing cylinder is arranged above the bottom plate, and a lifting mechanism is arranged between the bottom plate and the lower fixing cylinder. An upper fixing cylinder is arranged above the lower fixing cylinder, the lower fixing cylinder and the upper fixing cylinder are rotationally connected through a hinge, fixing mechanisms are arranged in the upper fixing cylinder and the lower fixing cylinder, fixing rings are arranged at the two ends of the lower fixing cylinder, limiting mechanisms are arranged in the fixing rings, and the height of the lower fixing cylinder can be adjusted through a lifting mechanism. The fixing mechanism can extrude and fix the pipeline, due to the change of the ambient temperature, the exterior of the pipeline can expand and shrink to a certain degree, the fixing mechanism can provide compensation and does not influence the tightness, and the limiting mechanism can limit the position of the pipeline, so that butt joint is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum pipeline connection, in particular to a petrochemical pipeline coupling with a compensation function. Background Art

[0002] Oil transportation is mostly carried out by pipeline transportation. Oil transportation pipelines play a very important role in oil transportation. Pipeline transportation is a more economical and reasonable way of transporting crude oil. The connection between oil pipes is usually carried out by oil pipe couplings.

[0003] A petroleum pipeline coupling described in the patent with patent announcement number CN211821154U is provided with a base, a sleeve, a threaded rod and a nut, so that the height of the device can be adjusted. The base is installed on the wall. After the device fixes the pipeline, the threaded rod can provide support force, which reduces the probability of pipeline damage and improves the stability of the device. However, it is more troublesome in the process of installing the pipeline, and the pipeline is not easy to dock. In addition, due to the change of ambient temperature, the external environment of the oil pipeline will expand and contract to a certain extent, which will cause the gap between the pipeline and the coupling to increase, thereby reducing the tightness of the connection between the oil pipeline and the coupling.

[0004] Based on this, a petrochemical pipeline coupling with a compensation function is now provided to eliminate the disadvantages of the existing device. Utility Model Content

[0005] The utility model aims to provide a petrochemical pipeline coupling with a compensation function, so as to solve the problems that the pipeline installation process in the background technology is troublesome, the pipeline is not easy to dock, and due to the change of ambient temperature, the oil pipeline will expand and contract to a certain extent due to the external environment, at this time, the gap between the pipeline and the coupling will increase, thereby affecting the tightness of the connection between the oil pipeline and the coupling.

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

[0007] A petrochemical pipeline coupling with a compensation function comprises a base plate, a plurality of mounting holes are arranged on the base plate, a lower fixing cylinder is arranged above the base plate, a lifting mechanism is arranged between the base plate and the lower fixing cylinder, an upper fixing cylinder is arranged above the lower fixing cylinder, the lower fixing cylinder and the upper fixing cylinder are rotatably connected via a hinge, fixing mechanisms are arranged in the upper fixing cylinder and the lower fixing cylinder, fixing rings are arranged at both ends of the lower fixing cylinder, and a limiting mechanism is arranged in the fixing rings.

[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0009] In an optional solution: the lifting mechanism includes a motor box, a first threaded rod is arranged in the motor box, the bottom end of the first threaded rod is fixedly connected to the motor output end in the motor box, a support frame is arranged at the top end of the first threaded rod, a fixed plate is arranged at the bottom of the lower fixed cylinder, and the support frame is fixedly connected to the fixed plate.

[0010] In an optional solution: symmetrical telescopic rods are arranged between the base plate and the support frame on both sides of the motor box, the bottom ends of the telescopic rods are fixedly connected to the base plate, and the top ends of the telescopic rods are fixedly connected to the support frame.

[0011] In an optional solution: a lower mounting plate is disposed on one side of the opening of the lower fixed tube, and an upper mounting plate is disposed on one side of the opening of the upper fixed tube, and the lower mounting plate and the upper mounting plate are fixedly connected by a plurality of bolts.

[0012] In an optional solution: the fixing mechanism includes a clamping plate, which is symmetrically arranged in the lower fixing tube and the upper fixing tube, and a plurality of first springs are arranged between the clamping plate and the inner walls of the lower fixing tube and the upper fixing tube.

[0013] In an optional solution: a rubber pad is provided on the inner wall of the clamping plate.

[0014] In an optional solution: three groups of evenly distributed sleeves are arranged on the fixing ring, the inner threads of the sleeves are rotatably connected to a second threaded rod, and a knob is arranged on the top of the second threaded rod.

[0015] In an optional solution: the limiting mechanism includes a movable groove, the movable groove is located at the bottom of the second threaded rod, a movable ball is arranged at the end of the movable groove, and a second spring is arranged between the movable ball and the top surface of the movable groove.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] The utility model has a lifting mechanism arranged between the bottom plate and the lower fixed cylinder, an upper fixed cylinder is arranged above the lower fixed cylinder, the lower fixed cylinder and the upper fixed cylinder are rotatably connected by a hinge, fixing mechanisms are arranged in the upper fixed cylinder and the lower fixed cylinder, fixing rings are arranged at both ends of the lower fixed cylinder, and a limiting mechanism is arranged in the fixing ring. The lifting mechanism can adjust the height of the lower fixed cylinder to improve practicality, the fixing mechanism can squeeze and fix the pipeline, and due to changes in ambient temperature, the external environment of the pipeline will expand and shrink to a certain extent, the fixing mechanism can provide compensation without affecting the tightness, and the limiting mechanism can limit the position of the pipeline to facilitate docking. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the internal structure of a fixed cylinder on one side of the utility model.

[0020] Figure 3 It is a schematic diagram of the internal structure of the fixing cylinder on the other side of the utility model.

[0021] Figure 4 It is a schematic diagram of the structure of the limiting mechanism of the utility model.

[0022] Notes on the accompanying drawings: 1. Base plate; 2. Mounting hole; 3. Motor box; 4. First threaded rod; 5. Support frame; 6. Fixing plate; 7. Lower fixing cylinder; 8. Upper fixing cylinder; 9. Hinge; 10. Lower mounting plate; 11. Upper mounting plate; 12. Bolt; 13. Clamp; 14. First spring; 15. Rubber pad; 16. Fixing ring; 17. Sleeve; 18. Second threaded rod; 19. Knob; 20. Movable groove; 21. Movable ball; 22. Second spring; 23. Telescopic rod. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] In one embodiment, Figure 1-Figure 4 As shown, a petrochemical pipeline coupling with a compensation function comprises a base plate 1, a plurality of mounting holes 2 are arranged on the base plate 1, a lower fixing cylinder 7 is arranged above the base plate 1, a lifting mechanism is arranged between the base plate 1 and the lower fixing cylinder 7, an upper fixing cylinder 8 is arranged above the lower fixing cylinder 7, the lower fixing cylinder 7 and the upper fixing cylinder 8 are rotatably connected through a hinge 9, fixing mechanisms are arranged in the upper fixing cylinder 8 and the lower fixing cylinder 7, fixing rings 16 are arranged at both ends of the lower fixing cylinder 7, a limiting mechanism is arranged in the fixing ring 16, the lifting mechanism can adjust the height of the lower fixing cylinder to improve practicality, the fixing mechanism can squeeze and fix the pipeline, and the fixing mechanism can provide compensation without affecting the tightness, and the limiting mechanism can limit the position of the pipeline to facilitate docking.

[0025] In one embodiment, Figure 1 As shown, the lifting mechanism includes a motor box 3, a first threaded rod 4 is arranged in the motor box 3, the bottom end of the first threaded rod 4 is fixedly connected to the output end of the motor in the motor box 3, a support frame 5 is arranged at the top of the first threaded rod 4, a fixing plate 6 is arranged at the bottom of the lower fixing cylinder 7, the support frame 5 is fixedly connected to the fixing plate 6, and the motor in the motor box 3 can drive the first threaded rod 4 to rotate.

[0026] In one embodiment, Figure 1As shown, symmetrical telescopic rods 23 are arranged between the base plate 1 and the support frame 5 on both sides of the motor box 3. The bottom end of the telescopic rod 23 is fixedly connected to the base plate 1, and the top end of the telescopic rod 23 is fixedly connected to the support frame 5. The telescopic rod 23 can limit the rotation of the support frame 5.

[0027] In one embodiment, Figure 1 As shown, a lower mounting plate 10 is provided on one side of the opening of the lower fixed tube 7, and an upper mounting plate 11 is provided on one side of the opening of the upper fixed tube 8. The lower mounting plate 10 and the upper mounting plate 11 are fixedly connected by a plurality of bolts 12. The fixed connection by the bolts 12 can be disassembled.

[0028] In one embodiment, Figure 2 and Figure 3 As shown, the fixing mechanism includes a clamping plate 13, which is symmetrically arranged in the lower fixing tube 7 and the upper fixing tube 8. A plurality of first springs 14 are arranged between the clamping plate 13 and the inner walls of the lower fixing tube 7 and the upper fixing tube 8. The first springs 14 have a reset function.

[0029] In one embodiment, Figure 2 As shown, the inner wall of the clamping plate 13 is provided with a rubber pad 15, which can increase the friction and has an anti-slip effect.

[0030] In one embodiment, Figure 3 and Figure 4 As shown, three groups of evenly distributed sleeves 17 are arranged on the fixing ring 16, and the sleeve 17 is rotatably connected with the second threaded rod 18 through the internal thread. A knob 19 is arranged on the top of the second threaded rod 18, and the second threaded rod 18 can be raised or lowered by rotating the knob 19.

[0031] In one embodiment, Figure 4 As shown, the limiting mechanism includes a movable groove 20, which is located at the bottom of the second threaded rod 18. A movable ball 21 is arranged at the inner end of the movable groove 20, and a second spring 22 is arranged between the movable ball 21 and the inner top surface of the movable groove 20. When the movable ball 21 is squeezed, the second spring 22 is compressed inward.

[0032] The above embodiment discloses a petrochemical pipe coupling with a compensation function. When docking, the pipe is passed through the fixing ring 16, and the knob 19 is turned to drive the second threaded rod 18 to move downward until the movable ball 20 contacts and squeezes the pipe, and the end of the pipe is slid into the lower fixing tube 7, and the upper fixing tube 8 is closed and fixed by bolts. The clamping plate 13 squeezes the pipe and compresses the first spring 14. Due to changes in the ambient temperature, the outside of the pipe will expand and contract to a certain extent. The interaction between the clamping plate 13 and the first spring 14 can provide compensation without affecting the tightness.

[0033] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A petrochemical pipeline coupling with a compensation function, comprising a base plate (1), a plurality of mounting holes (2) being arranged on the base plate (1), a lower fixing cylinder (7) being arranged above the base plate (1), and characterized in that: A lifting mechanism is provided between the bottom plate (1) and the lower fixed cylinder (7); an upper fixed cylinder (8) is provided above the lower fixed cylinder (7); the lower fixed cylinder (7) and the upper fixed cylinder (8) are rotatably connected via a hinge (9); fixing mechanisms are provided inside the upper fixed cylinder (8) and the lower fixed cylinder (7); fixing rings (16) are provided at both ends of the lower fixed cylinder (7); and a limiting mechanism is provided inside the fixing ring (16).

2. The petrochemical pipeline coupling with compensation function according to claim 1 is characterized in that: The lifting mechanism comprises a motor box (3), a first threaded rod (4) is arranged in the motor box (3), the bottom end of the first threaded rod (4) is fixedly connected to the output end of the motor in the motor box (3), a support frame (5) is arranged at the top end of the first threaded rod (4), a fixing plate (6) is arranged at the bottom of the lower fixing cylinder (7), and the support frame (5) is fixedly connected to the fixing plate (6).

3. The petrochemical pipeline coupling with compensation function according to claim 2 is characterized in that: Symmetrical telescopic rods (23) are arranged between the base plate (1) and the support frame (5) on both sides of the motor box (3); the bottom ends of the telescopic rods (23) are fixedly connected to the base plate (1), and the top ends of the telescopic rods (23) are fixedly connected to the support frame (5).

4. The petrochemical pipeline coupling with compensation function according to claim 1 is characterized in that: A lower mounting plate (10) is provided on one side of the opening of the lower fixed tube (7), and an upper mounting plate (11) is provided on one side of the opening of the upper fixed tube (8); the lower mounting plate (10) and the upper mounting plate (11) are fixedly connected by a plurality of bolts (12).

5. The petrochemical pipeline coupling with compensation function according to claim 1, characterized in that: The fixing mechanism comprises a clamping plate (13) which is symmetrically arranged in the lower fixing tube (7) and the upper fixing tube (8), and a plurality of first springs (14) are arranged between the clamping plate (13) and the inner walls of the lower fixing tube (7) and the upper fixing tube (8).

6. The petrochemical pipeline coupling with compensation function according to claim 5, characterized in that: The inner wall of the clamping plate (13) is provided with a rubber pad (15).

7. The petrochemical pipeline coupling with compensation function according to claim 1, characterized in that: The fixing ring (16) is provided with three groups of sleeves (17) evenly distributed, the sleeves (17) are internally threadedly rotatably connected to a second threaded rod (18), and a knob (19) is provided at the top of the second threaded rod (18).

8. The petrochemical pipeline coupling with compensation function according to claim 7, characterized in that: The limiting mechanism comprises a movable groove (20), the movable groove (20) is located at the bottom of the second threaded rod (18), a movable ball (21) is arranged at the inner end of the movable groove (20), and a second spring (22) is arranged between the movable ball (21) and the inner top surface of the movable groove (20).

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