Automatic docking equipment and method for flowmeter detection

Abstract

The invention discloses an automatic docking device and method for flowmeter detection, and relates to the technical field of natural gas flowmeters.The automatic docking device comprises a bottom plate, fixing frames are fixedly connected to the two sides of the upper end face of the bottom plate correspondingly, and detection pipelines are fixedly connected to the upper ends of the fixing frames correspondingly; the opposite ends of the two detection pipelines are each provided with a butt joint assembly used for being in butt joint with a flowmeter. Through the arrangement of the driving assembly, the inclined frame, the horizontal table, the positioning frame and the like, a flowmeter can be carried, so that the flowmeter does not need to be carried to a detection pipeline by a worker to be assembled, the labor intensity of the worker is effectively reduced, and the working efficiency is improved. Meanwhile, the arranged butt joint assembly can be automatically connected to two flange openings of the flow meter in a butt joint mode for sealing after the flow meter is lifted, then the flow meter is detected, the monitoring efficiency of the flow meter can be greatly improved, meanwhile, the danger when the large-weight flow meter is carried is reduced, and the production safety is improved.

Description

Technical Field

[0001] The invention relates to the technical field of natural gas flowmeters, in particular to automatic docking equipment and method for flowmeter detection. Background Art

[0002] Natural gas refers to a mixture of hydrocarbons and non-hydrocarbon gases naturally stored in the strata. In petroleum geology, it usually refers to oilfield gas and gasfield gas. In the transportation of natural gas, flow meters are needed to detect the flow of natural gas in the pipeline. Commonly used flow meters can be divided into differential pressure flow meters, rotor flow meters, throttling flow meters, slit flow meters, volumetric flow meters, electromagnetic flow meters, ultrasonic flow meters, etc.

[0003] In the production process of flow meters, the flow meters need to be inspected to eliminate unqualified products. When inspecting the flow meters, the flow meters need to be connected to the inspection pipeline of the inspection equipment, and then the gas is introduced to test the performance of the flow meters. However, for some large flow meters, due to the heavy weight of the flow meters, manual transportation and assembly to the inspection pipeline are very troublesome, time-consuming and labor-intensive, and the work efficiency is low. In view of the above problems, we provide an automatic docking device and method for flow meter inspection to solve the above-mentioned problems. Summary of the invention

[0004] The object of the present invention is to provide an automatic docking device and method for flow meter detection to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An automatic docking device for flow meter detection, comprising a bottom plate, both sides of the upper surface of the bottom plate are fixedly connected with a fixing frame, the upper ends of the fixing frames are fixedly connected with a detection pipe, and the opposite ends of the two detection pipes are provided with a docking assembly for docking with the flow meter;

[0007] An inclined frame is fixedly connected to the middle of the upper end surface of the base plate, and the inclined frame is inclined. The end of the inclined frame away from the base plate is fixedly connected to the support frame, and the lower end of the support frame is fixedly connected to the base plate. A sliding plate is slidably connected inside the inclined frame, and a horizontal platform is fixedly connected to the sliding plate. Positioning frames are fixedly connected to both sides of the upper end surface of the horizontal platform, and a driving component for driving the sliding plate to slide along the inclined frame is provided inside the inclined frame.

[0008] As a further solution of the present invention: the docking assembly includes two outer sleeves, and the two outer sleeves are respectively slidably connected to the opposite ends of the two detection pipes, and the opposite ends of the two outer sleeves are fixedly connected to the docking disk, and the ends of the outer sleeves away from the docking disk are fixedly connected to the limiting disk, and the positions of the detection pipes close to the limiting disk are fixedly connected to the fixed disk, and the fixed disk and the limiting disk are provided with a number of tension springs, and the limiting disk is fixedly connected with a number of limiting slide rods, and the limiting slide rods are slidably connected to the fixed disk, and the bottom plate is also provided with a propulsion assembly for driving the docking disk to dock with the two interfaces of the flow meter.

[0009] As a further solution of the present invention: an annular groove is provided at one end of the detection pipe close to the docking plate and at one end of the inner wall of the outer sleeve away from the docking plate, and a sealing ring is provided in each of the annular grooves.

[0010] As a further solution of the present invention: a sealing gasket is attached to an end surface of the docking plate away from the outer sleeve.

[0011] As a further solution of the present invention: the propulsion assembly includes side plates, which are respectively fixedly connected to the positions on both sides of the upper end surface of the bottom plate, the upper ends of the side plates are rotatably connected to top shafts, the opposite ends of the two top shafts are fixedly connected to cams, the ends of the top shafts away from the cams are fixedly connected to the first gears, the lower ends of the outer sleeves are fixedly connected to bottom shift blocks, the sides of the bottom shift blocks that contact the cams are equipped with rollers, and the side plates are also provided with a synchronization assembly for making the two first gears rotate synchronously.

[0012] As a further solution of the present invention: the synchronization component includes a synchronization shaft, which is rotatably connected to a position between two side vertical plates, and both ends of the synchronization shaft are fixedly connected with second gears, and the second gears at both ends of the synchronization shaft are respectively meshed with two first gears. A rotating component for driving the second gear to rotate is also provided on the bottom plate.

[0013] As a further solution of the present invention: the rotating component includes a bar block, the bar block is fixedly connected to a position on one side of the upper end surface of the base plate, a limiting slide groove is provided at the upper end of the bar block, a rack is slidably connected inside the limiting slide groove, the rack is meshed with the corresponding second gear, an electric push rod is fixedly connected to one side of the bar block, and the output end of the electric push rod is fixedly connected to one end of the rack.

[0014] As a further solution of the present invention: the driving assembly includes a threaded rod, which is rotatably connected to the middle position inside the inclined frame, a servo motor is installed in the middle of the horizontal plate at the upper end of the inclined frame, the output end of the servo motor is connected to the threaded rod, and the threaded rod is threadedly connected to the sliding plate.

[0015] As a further solution of the present invention: a control module is also provided on the base plate, and the servo motor and the electric push rod are both electrically connected to the control module.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention can carry out the work of transporting the flow meter by means of the drive assembly, inclined frame, horizontal platform, positioning frame, etc., so that workers do not need to carry the flow meter to the detection pipeline for assembly, which effectively reduces the labor intensity of workers. At the same time, the docking assembly can automatically dock with the two flange ports of the flow meter for sealing after the flow meter is raised, and then the flow meter can be tested, which can greatly improve the monitoring efficiency of the flow meter, reduce the danger of carrying a heavy flow meter, and improve the safety of production. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention.

[0019] Figure 2 It is a structural schematic diagram of the other side of the present invention.

[0020] Figure 3 It is a schematic diagram of the local structure in the present invention.

[0021] Figure 4 It is a schematic diagram of the structure of the rotating assembly in the present invention.

[0022] Figure 5 It is a schematic cross-sectional structural diagram of the outer sleeve in the present invention.

[0023] Figure 6 It is a structural schematic diagram of the docking assembly in the present invention.

[0024] Among them: 1. bottom plate; 2. bar block; 3. fixed frame; 4. rack; 5. first gear; 6. limit plate; 7. outer sleeve; 8. docking plate; 9. servo motor; 11. cam; 12. detection pipeline; 13. second gear; 14. side plate; 15. synchronous shaft; 16. inclined frame; 17. threaded rod; 18. sliding plate; 19. positioning frame; 20. horizontal platform; 21. limit slide groove; 22. electric push rod; 23. tension spring; 24. fixed plate; 25. bottom shift block; 26. roller; 27. limit slide rod; 28. top shaft; 29. ​​support frame; 30. sealing ring. DETAILED DESCRIPTION

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0026] Please refer to Figure 1-Figure 6 , in the embodiment of the present invention, an automatic docking device for flowmeter detection includes a bottom plate 1. Both sides of the upper end surface of the bottom plate 1 are fixedly connected with fixing frames 3. The upper ends of the fixing frames 3 are fixedly connected with detection pipelines 12. One end of each of the two detection pipelines 12 facing each other is provided with a docking component for docking with a flowmeter; the docking component includes two outer sleeves 7. The two outer sleeves 7 are respectively slidably connected to one end of the two detection pipelines 12 facing each other. One end of each of the two outer sleeves 7 facing each other is fixedly connected with a docking plate 8. One end of the outer sleeve 7 away from the docking plate 8 is fixedly connected with a limiting plate 6. Fixing plates 24 are fixedly connected to the positions of the detection pipelines 12 close to the limiting plates 6. A plurality of tension springs 23 are provided between the fixing plates 24 and the limiting plates 6. A plurality of limiting sliding rods 27 are fixedly connected to the limiting plates 6. The limiting sliding rods 27 are slidably connected to the fixing plates 24. The bottom plate 1 is further provided with a propulsion component for driving the docking plate 8 to dock with the two interfaces of the flowmeter; through the provided docking plate 8 and outer sleeve 7, the two interfaces of the flowmeter can be docked during the detection of the flowmeter, greatly improving the convenience of flowmeter detection.

[0027] Ring grooves are provided at one end of the detection pipeline 12 close to the docking plate 8 and at one end of the inner wall of the outer sleeve 7 away from the docking plate 8. Sealing rings 30 are provided in the ring grooves; sealing gaskets are attached to the end surfaces of the docking plate 8 away from the outer sleeves 7; through the provided sealing rings 30, the sealing performance between the detection pipeline 12 and the outer sleeve 7 can be ensured, so that good sealing performance can still be ensured when the outer sleeve 7 slides. At the same time, the provided sealing gaskets can ensure the sealing performance of the docking between the docking plate 8 and the two ports of the flowmeter.

[0028] The propulsion assembly includes a side plate 14, which is fixedly connected to the positions on both sides of the upper end surface of the bottom plate 1 respectively, and the upper ends of the side plates 14 are rotatably connected to top shafts 28, and the opposite ends of the two top shafts 28 are fixedly connected to cams 11, and the ends of the top shafts 28 away from the cams 11 are fixedly connected to the first gear 5, and the lower ends of the outer sleeves 7 are fixedly connected to bottom shift blocks 25, and the sides of the bottom shift blocks 25 that contact the cam 11 are installed with rollers 26, and the side plates 14 are also provided with a synchronization assembly for making the two first gears 5 rotate synchronously; the synchronization assembly includes a synchronization shaft 15, which is rotatably connected to the position between the two side plates 14, and the two ends of the synchronization shaft 15 are fixedly connected to the second gear 13, and the second gears 13 at the two ends of the synchronization shaft 15 are respectively meshed with the two first gears 5, and the bottom plate 1 is also provided with a rotating assembly for driving the second gear 13 to rotate; the rotating assembly includes a bar block 2 The bar block 2 is fixedly connected to a position on one side of the upper end surface of the bottom plate 1, and a limited sliding groove 21 is provided on the upper end of the bar block 2. A rack 4 is slidably connected inside the limited sliding groove 21, and the rack 4 is meshed with the corresponding second gear 13. An electric push rod 22 is fixedly connected to one side of the bar block 2, and the output end of the electric push rod 22 is fixedly connected to one end of the rack 4; when the docking plate 8 is docked with the flow meter, the electric push rod 22 drives the rack 4 to move, and the movement of the rack 4 can drive the second gear 13 to rotate, and the rotation of the second gear 13 can drive the synchronous shaft 15 to rotate, and the rotation of the synchronous shaft 15 can make the two second gears 13 rotate synchronously, and the rotation of the two second gears 13 can drive the first gear 5 to rotate, and the rotation of the two first gears 5 can drive the cam 11 to rotate, and the rotation of the cam 11 can push the bottom shift block 25 to move, and the movement of the bottom shift block 25 can push the outer sleeve 7 to move, and the outer sleeve 7 can drive the docking plate 8 to move, so as to achieve docking with the flow meter.

[0029] An inclined frame 16 is fixedly connected to the middle of the upper end surface of the bottom plate 1, and the inclined frame 16 is inclined. The end of the inclined frame 16 away from the bottom plate 1 is fixedly connected to a support frame 29, and the lower end of the support frame 29 is fixedly connected to the bottom plate 1. A sliding plate 18 is slidably connected inside the inclined frame 16, and a horizontal platform 20 is fixedly connected to the sliding plate 18. Positioning frames 19 are fixedly connected to both sides of the upper end surface of the horizontal platform 20. A driving component for driving the sliding plate 18 to slide along the inclined frame 16 is provided inside the inclined frame 16; the driving component includes a threaded rod 17, and the threaded rod 17 is rotatably connected to the middle position inside the inclined frame 16. A servo motor 9 is installed in the middle of the upper horizontal plate 16, and the output end of the servo motor 9 is connected to the threaded rod 17, and the threaded rod 17 is threadedly connected to the sliding plate 18; a control module is also provided on the bottom plate 1, and the servo motor 9 and the electric push rod 22 are electrically connected to the control module; when in use, the horizontal platform 20 is first lowered to the lowest level, and then the flow meter is placed on the positioning frame 19. After placement, the threaded rod 17 is driven to rotate by the servo motor 9, and the rotation of the threaded rod 17 drives the sliding plate 18 to move along the inclined frame 16, and the flow meter on the positioning frame 19 is sent to the position between the two docking plates 8, which is convenient for subsequent docking.

[0030] The working principle of the present invention is as follows: when in use, the horizontal platform 20 is first lowered to the lowest position, and then the flow meter is placed on the positioning frame 19. After placement, the threaded rod 17 is driven to rotate by the servo motor 9. The rotation of the threaded rod 17 drives the sliding plate 18 to move along the inclined frame 16, and the flow meter on the positioning frame 19 is sent to the position between the two docking plates 8. Then the electric push rod 22 drives the rack 4 to move. The movement of the rack 4 can drive the second gear 13 to rotate. The rotation of the second gear 13 can drive the synchronous shaft 15 to rotate. The rotation of the synchronous shaft 15 can make the two second gears 13 rotate synchronously. The two second The rotation of gear 13 can drive the first gear 5 to rotate, the rotation of the two first gears 5 can drive the cam 11 to rotate, the rotation of cam 11 can push the bottom shift block 25 to move, the movement of the bottom shift block 25 can push the outer sleeve 7 to move, the outer sleeve 7 can drive the docking plate 8 to move, and docking with the flow meter is achieved. After the docking is completed, the gas is transported through the detection pipeline 12 for detection. After the flow meter detection is completed, the cam 11 is reset. After the cam 11 is reset, the outer sleeve 7 and the docking plate 8 are separated from the flow meter under the action of the tension spring 23, and then the flow meter is sent to the inclined frame 16 through the driving assembly.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Although this specification is described in accordance with the implementation modes, not every implementation mode includes only one technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automatic docking device for flow meter detection, comprising a bottom plate (1), characterized in that: Both sides of the upper end surface of the bottom plate (1) are fixedly connected to fixing frames (3), the upper ends of the fixing frames (3) are fixedly connected to detection pipes (12), and opposite ends of the two detection pipes (12) are provided with docking assemblies for docking with the flow meter; An inclined frame (16) is fixedly connected to the middle of the upper end surface of the base plate (1), and the inclined frame (16) is arranged to be inclined. One end of the inclined frame (16) away from the base plate (1) is fixedly connected to a support frame (29), and the lower end of the support frame (29) is fixedly connected to the base plate (1). A sliding plate (18) is slidably connected inside the inclined frame (16), and a horizontal platform (20) is fixedly connected to the sliding plate (18). Positioning frames (19) are fixedly connected to both sides of the upper end surface of the horizontal platform (20), and a driving component for driving the sliding plate (18) to slide along the inclined frame (16) is provided inside the inclined frame (16).

2. The automatic docking device for flow meter detection according to claim 1, characterized in that: The docking assembly comprises two outer sleeves (7), the two outer sleeves (7) are respectively slidably connected to the opposite ends of the two detection pipes (12), the opposite ends of the two outer sleeves (7) are fixedly connected to the docking plate (8), the ends of the outer sleeves (7) away from the docking plate (8) are fixedly connected to the limiting plate (6), the positions of the detection pipes (12) close to the limiting plate (6) are fixedly connected to the fixed plate (24), the fixed plate (24) and the limiting plate (6) are provided with a plurality of tension springs (23), the limiting plate (6) is fixedly connected to a plurality of limiting slide bars (27), the limiting slide bars (27) are slidably connected to the fixed plate (24), and the bottom plate (1) is also provided with a propulsion assembly for driving the docking plate (8) to dock with the two interfaces of the flow meter.

3. The automatic docking device for flow meter detection according to claim 2, characterized in that: An annular groove is provided at one end of the detection pipe (12) close to the docking plate (8) and at one end of the inner wall of the outer sleeve (7) away from the docking plate (8), and a sealing ring (30) is provided in each of the annular grooves.

4. The automatic docking device for flow meter detection according to claim 2, characterized in that: A sealing gasket is attached to one end surface of the docking plate (8) away from the outer sleeve (7).

5. The automatic docking device for flow meter detection according to claim 2, characterized in that: The propulsion assembly comprises side upright plates (14), the side upright plates (14) are respectively fixedly connected to positions on both sides of the upper end surface of the bottom plate (1), the upper ends of the side upright plates (14) are rotatably connected to top shafts (28), the opposite ends of the two top shafts (28) are fixedly connected to cams (11), the ends of the top shafts (28) away from the cams (11) are fixedly connected to first gears (5), the lower ends of the outer sleeves (7) are fixedly connected to bottom shifting blocks (25), the sides of the bottom shifting blocks (25) in contact with the cams (11) are equipped with rollers (26), and the side upright plates (14) are also provided with a synchronization assembly for making the two first gears (5) rotate synchronously.

6. The automatic docking device for flow meter detection according to claim 5, characterized in that: The synchronization component comprises a synchronization shaft (15), the synchronization shaft (15) is rotatably connected to a position between two side vertical plates (14), both ends of the synchronization shaft (15) are fixedly connected to second gears (13), the second gears (13) at both ends of the synchronization shaft (15) are respectively meshed with two first gears (5), and the bottom plate (1) is also provided with a rotation component for driving the second gear (13) to rotate.

7. The automatic docking device for flow meter detection according to claim 6, characterized in that: The rotating assembly comprises a bar block (2), the bar block (2) being fixedly connected to a position on one side of the upper end surface of the base plate (1), a limiting slide groove (21) being provided at the upper end of the bar block (2), a rack (4) being slidably connected inside the limiting slide groove (21), the rack (4) being meshed with a corresponding second gear (13), an electric push rod (22) being fixedly connected to one side of the bar block (2), and an output end of the electric push rod (22) being fixedly connected to one end of the rack (4).

8. The automatic docking device for flow meter detection according to claim 7, characterized in that: The driving assembly comprises a threaded rod (17), the threaded rod (17) being rotatably connected to a middle position inside the inclined frame (16), a servo motor (9) being installed in the middle of a horizontal plate at an upper end of the inclined frame (16), an output end of the servo motor (9) being connected to the threaded rod (17), and the threaded rod (17) being threadedly connected to a sliding plate (18).

9. The automatic docking device for flow meter detection according to claim 8, characterized in that: A control module is also provided on the base plate (1), and the servo motor (9) and the electric push rod (22) are both electrically connected to the control module.

10. A docking method for an automatic docking device for flow meter detection according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: When in use, first lower the horizontal platform (20) to the lowest position, and then place the flow meter on the positioning frame (19); Step 2, after placement, the threaded rod (17) is driven to rotate by the servo motor (9), and the rotation of the threaded rod (17) drives the sliding plate (18) to move along the inclined frame (16), and the flow meter on the positioning frame (19) is sent to the position between the two docking plates (8), and then the electric push rod (22) drives the rack (4) to move, and the movement of the rack (4) can drive the second gear (13) to rotate, and the rotation of the second gear (13) can drive the synchronous shaft (15) to rotate, and the rotation of the synchronous shaft (15) can make the two second gears (13) rotate synchronously, and the rotation of the two second gears (13) can drive the first gear (5) to rotate, and the rotation of the two first gears (5) can drive the cam (11) to rotate, and the rotation of the cam (11) can push the bottom shift block (25) to move, and the movement of the bottom shift block (25) can push the outer sleeve (7) to move, and the outer sleeve (7) can drive the docking plate (8) to move, so as to achieve docking with the flow meter; Step 3, after the docking is completed, gas is transported through the detection pipeline (12) for detection. After the flow meter detection is completed, the cam (11) is reset. After the cam (11) is reset, the outer sleeve (7) and the docking plate (8) are separated from the flow meter under the action of the tension spring (23), and then the flow meter is sent to the inclined frame (16) through the driving component.

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