Automatic docking device for gas pipeline joints

Abstract

The present invention is an automatic docking device for gas pipeline joints, including a first joint, a second joint and a control unit. The first joint can be connected to a movable facility pipeline, and a first gas path that runs axially through is provided in the first joint, and a self-sealing valve is provided in the first gas path; the second joint can adjust the height position and horizontal position under the drive of an adjustment mechanism, and a second gas path that runs axially through and is normally open is provided in the second joint; a docking propulsion structure is connected to the second joint, and the docking propulsion structure can drive the second joint to insert into the first joint to push against and open the self-sealing valve to connect the gas path or drive the second joint to leave the first joint; the second joint is also connected to an alignment guide structure; the adjustment mechanism, the docking propulsion structure and the alignment guide structure can all be electrically connected to the control unit. The device can realize the rapid and automatic docking of fixed facility pipelines and movable facility pipelines, and meet the automation and intelligent requirements of gas transportation or atmosphere detection in industrial production.

Description

Technical Field

[0001] The invention relates to the technical field of metallurgical detection, and in particular to an automatic docking device for gas pipeline joints. Background Art

[0002] With the advancement of science and technology, advanced technologies and intelligent equipment have been widely adopted by manufacturing companies to reduce labor costs and improve product quality and efficiency, ultimately realizing automation and intelligence in the entire production process and improving the competitiveness of companies in the market.

[0003] There is a high-quality cold-rolled silicon steel high-temperature continuous annealing technology and equipment in the prior art. In terms of atmosphere and dew point detection, it still uses manual operation to complete the collection of multiple important process data. Not only is the labor intensity of workers high, but it also cannot fully realize the automation and intelligence of the entire process. How to realize the automatic supply of gas from fixed gas supply facilities to active gas receiving facilities or automatic atmosphere detection of active facilities has become the focus of research.

[0004] Therefore, the inventor, relying on his many years of experience and practice in related industries, proposes an automatic docking device for gas pipeline joints to overcome the defects of the prior art. Summary of the invention

[0005] The purpose of the present invention is to provide a gas pipeline joint automatic docking device to overcome the problems existing in the prior art. The device can realize the rapid automatic docking of fixed facility pipelines and movable facility pipelines, meeting the automation and intelligent requirements of gas transportation or atmosphere detection in industrial production.

[0006] The objective of the present invention is achieved in this way. A gas pipeline joint automatic docking device comprises a first joint, a second joint and a control unit, wherein the first joint can be connected to the pipeline of an activity facility, a first gas path which is axially connected is provided in the first joint, a self-sealing valve which can close and cut off the gas path and can be pushed to open the connected gas path is provided in the first gas path; the second joint can adjust the height position and the horizontal position under the drive of the adjusting mechanism, and a second gas path which is axially connected and normally open is provided in the second joint; a docking propulsion structure which can drive the second joint to reciprocate in the axial direction is connected to the second joint, and the docking propulsion structure can drive the second joint to be inserted into the first joint to push against and open the self-sealing valve to connect the gas path or drive the second joint to leave the first joint; an alignment guide structure is also connected to the second joint, and the alignment guide structure can guide the movement direction of the second joint so that the second joint can be aligned and inserted into the first joint; the adjusting mechanism, the docking propulsion structure and the alignment guide structure can all be electrically connected to the control unit.

[0007] In a preferred embodiment of the present invention, the first joint is fixedly arranged on the first panel, and the first panel can be fixedly arranged on the movable facility; the second joint is fixedly arranged on the second panel; the alignment guide structure includes an alignment guide drive unit, an alignment guide rod and an alignment guide sleeve, the alignment guide sleeve is arranged on the first panel, and the second panel can be axially slidably sleeved on the alignment guide rod, and the alignment guide drive unit can drive the alignment guide rod to move axially to insert into or leave the alignment guide sleeve.

[0008] In a preferred embodiment of the present invention, an alignment sleeve guide hole is axially provided on the alignment guide sleeve, the alignment guide rod can be inserted into the alignment sleeve guide hole, a first transition cone surface with a gradually expanding diameter is provided on the outer wall of the alignment guide rod from the end close to the first joint inwardly, and a second transition cone surface with a gradually expanding diameter is provided in the alignment sleeve guide hole from the end close to the second joint inwardly.

[0009] In a preferred embodiment of the present invention, the adjustment mechanism includes a vertical floating frame, the docking propulsion structure, the alignment guide drive unit, the alignment guide rod, the second panel and the second joint are all arranged on the vertical floating frame, and the vertical floating frame can reciprocate in the vertical direction to adjust the height position of the second joint.

[0010] In a preferred embodiment of the present invention, the adjusting mechanism also includes a suspension structure, which suspends the vertical floating frame from the top and can drive it to reciprocate in the vertical direction; vertical guide cylinders are respectively connected to both sides of the vertical floating frame, and a movable bottom plate that can move in the horizontal direction is arranged under the vertical floating frame, and vertical guide rods corresponding to the vertical guide cylinders are respectively extended upward from the movable bottom plate, and the vertical guide cylinders can be slidably mounted on the vertical guide rods to guide the vertical movement of the vertical floating frame.

[0011] In a preferred embodiment of the present invention, a fixed machine base is arranged below the movable base plate, and a rolling linear guide pair is arranged between the movable base plate and the fixed machine base. The movable base plate can reciprocate along the length direction of the rolling linear guide pair under the action of the rolling linear guide pair. The length direction of the rolling linear guide pair and the axial direction of the second joint and the axial direction of the vertical guide rod are all arranged vertically to each other in space, and horizontal return springs that can push the rolling linear guide pair to return to their original position are arranged at both ends of the rolling linear guide pair.

[0012] In a preferred embodiment of the present invention, the rolling linear guide pair includes a guide rail arranged on the fixed machine base, and a guide rail groove that can slide along the guide rail is arranged on the bottom surface of the movable base plate, and the horizontal return springs are respectively connected to both ends of the guide rail groove, and the other end of each of the horizontal return springs is connected to a screw end, and each of the screw ends is respectively passed through a screw nut seat fixed on the fixed machine base.

[0013] In a preferred embodiment of the present invention, the suspension structure includes support seats respectively located at the top of each of the vertical guide rods, each of the support seats is hinged with a steering sprocket, a chain is mounted on the steering sprocket, one end of each of the chains is connected to the vertical floating frame, and the other end of each of the chains is connected to a counterweight block, and each of the support seats is also adjustably provided with a vertical pull rod, the bottom end of each of the vertical pull rods is respectively connected to a hanging spring, and the bottom end of each of the hanging springs is connected to the vertical floating frame, and each of the vertical pull rods and the hanging springs can adjust the initial height of the vertical floating frame.

[0014] In a preferred embodiment of the present invention, a through tie rod through hole is provided on the support seat, an external tie rod thread is provided on the upper portion of the vertical tie rod, and a tie rod positioning nut is threadedly connected to the vertical tie rod above the tie rod through hole.

[0015] In a preferred embodiment of the present invention, the docking propulsion structure includes a propulsion cylinder, which includes a propulsion cylinder barrel fixed on a vertical floating frame, a propulsion rod sealingly and slidingly penetrated in the propulsion cylinder barrel, and a free end of the propulsion rod is connected to the second panel.

[0016] In a preferred embodiment of the present invention, a first step portion with an increased diameter is provided on the second joint, and a second joint mounting hole is provided on the second panel, and the aperture size of the second joint mounting hole is larger than the outer diameter size of the second joint; a positioning groove with an increased diameter is provided at one end of the second joint mounting hole close to the first joint, and the end face of the first step portion away from the first joint can axially abut against the bottom of the positioning groove, and the aperture size of the positioning groove is larger than the outer diameter size of the first step portion; an annular rubber block is also plugged in the positioning groove, and an annular pressure plate that can axially abut against and fix the annular rubber block is connected to the end face of the second panel.

[0017] As described above, the automatic docking device for gas pipeline joints provided by the present invention has the following beneficial effects:

[0018] In the automatic docking device for gas pipeline joints provided by the present invention, the alignment guide rod and the second joint have a relatively accurate spatial positioning relationship, the alignment guide sleeve and the first joint have an accurate spatial positioning relationship, and the alignment guide structure can ensure that the axes of the second joint and the first joint are basically aligned, creating a centering condition for subsequent joint docking and connection;

[0019] The head of the alignment guide rod is designed as a large-angle conical structure, and the entrance of the alignment guide sleeve is designed as a large-cone-angle conical hole, so that when the moving first panel has a large stopping error, the alignment guide rod can also be smoothly inserted into the alignment guide sleeve on the first panel;

[0020] The total weight of the vertical floating frame and the structures attached to it is balanced by the counterweight block and the tension of the hanging spring. The friction resistance of the alignment guide rod is greatly reduced during the insertion of the alignment guide sleeve, and the wear of the alignment guide rod and the alignment guide sleeve is greatly reduced. The repeated alignment accuracy is improved, the equipment life is significantly extended, and the reliability of equipment operation is significantly improved; the initial suspension height of the vertical floating frame can be flexibly adjusted by the vertical tie rod and the tie rod positioning nut, making the initial installation and adjustment of the equipment more convenient and simple;

[0021] The second joint uses an annular rubber block on the second panel, so that during the docking process, the second joint can make a slight radial displacement within 360°, overcoming the slight alignment error caused by the gap of the alignment guide structure, reducing wear, ensuring the sealing performance is intact, and achieving reliable and smooth docking;

[0022] The insertion, connection and separation of the second joint and the first joint are completed under the action of the docking and pushing structure, avoiding manual operation. The unique structural design fully meets the automation and intelligent requirements of gas transportation or atmosphere detection in industrial production, especially in the transportation of dangerous or toxic gases, which requires higher safety, reliability and stability of the equipment, and the advantages of this device are more prominent;

[0023] The gas pipeline joint automatic docking device provided by the present invention is a key equipment for realizing automatic atmosphere detection, which can quickly and automatically dock fixed facility pipelines with movable facility pipelines without gas leakage after docking, and the device has a long service life and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The following drawings are intended only to illustrate and explain the present invention, and are not intended to limit the scope of the present invention.

[0025] Figure 1 : It is a top view of the automatic docking device for gas pipeline joints of the present invention.

[0026] Figure 2 :for Figure 1 Section view at AA in the middle.

[0027] Figure 3 :for Figure 1 Cross-sectional view at BB in the middle.

[0028] Figure 4 : It is a schematic diagram of the joint after the automatic docking device for gas pipeline joints of the present invention is docked.

[0029] Figure 5 : is a schematic diagram of the first joint of the present invention.

[0030] Figure 6 : is a schematic diagram of the second joint of the present invention.

[0031] In the figure:

[0032] 100. Automatic docking device for gas pipeline joints;

[0033] 1. First joint; 10. First gas path; 101. Stop step; 102. Stop chamfer; 11. Self-sealing valve; 111. Valve core; 112. Valve core seat; 113. Valve seat flow channel; 114. Valve core sleeve; 115. Valve core end; 116. Stop cone; 117. Flow groove; 118. Radial notch; 119. Valve core spring; 12. First panel;

[0034] 2. second joint; 20. second gas path; 21. second panel; 22. first step portion; 23. annular rubber block; 24. annular pressure plate;

[0035] 3. Docking propulsion structure; 31. Propulsion cylinder; 311. Propulsion cylinder barrel; 312. Propulsion rod;

[0036] 4. Alignment guide structure; 41. Alignment guide drive unit; 42. Alignment guide rod; 421. First transition cone surface; 43. Alignment guide sleeve; 431. Alignment sleeve guide hole; 432. Second transition cone surface;

[0037] 5. Vertical floating frame; 51. Vertical guide cylinder; 52. Guide rod support; 53. Propulsion cylinder support; 54. Guide cylinder support;

[0038] 6. Suspension structure; 61. Support seat; 62. Steering sprocket; 63. Chain; 64. Counterweight; 65. Vertical pull rod; 66. Suspension spring; 67. Pull rod positioning nut;

[0039] 7. Movable bottom plate; 71. Vertical guide rod;

[0040] 8. Fix the machine base;

[0041] 9. Rolling linear guide pair; 91. Horizontal return spring; 92. Guide rail; 93. Guide rail groove; 94. Screw end; 95. Screw nut seat. DETAILED DESCRIPTION

[0042] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, specific embodiments of the present invention are now described with reference to the accompanying drawings.

[0043] The specific embodiments of the present invention described herein are only used to explain the purpose of the present invention and cannot be understood as limiting the present invention in any way. Under the guidance of the present invention, technicians can conceive of any possible variations based on the present invention, which should be considered to belong to the scope of the present invention. It should be noted that when an element is referred to as "arranged on" another element, it can be directly on the other element or there can also be a central element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a central element at the same time. The terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for illustrative purposes and do not represent the only implementation method.

[0044] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0045] like Figures 1 to 6 As shown, the present invention provides an automatic docking device 100 for gas pipeline joints, comprising a first joint 1 (female joint), a second joint 2 (male joint) and a control unit (intelligent control unit, not shown in the figure), the first joint 1 can be connected to the pipeline of an active facility (the active facility is an active gas receiving facility or an active facility detected by the atmosphere), the first joint 1 is provided with a first gas path 10 that penetrates along the axial direction, the first gas path 10 is provided with a self-sealing valve 11 that can close and cut off the gas path and can be pushed to open the connected gas path, and the structure of the self-sealing valve can adopt the existing technology; as shown in FIG. Figure 4 , Figure 5As shown, in a specific embodiment of the present invention, a locking step 101 with a reduced diameter is provided in the first gas path 10, and a locking chamfer 102 is provided at one end of the locking step 101 away from the second joint. The self-sealing valve 11 includes a valve core 111 and a valve core seat 112. The valve core seat 112 is fixedly sleeved in the first gas path 10, and an axially penetrating valve seat flow channel 113 is provided on the valve core seat 112. A valve core sleeve 114 is fixedly provided in the valve core seat 112, and the valve core 111 can slide along the valve core sleeve 114. A valve core end 115 with an outer diameter matching the inner diameter of the locking step is provided at one end of the valve core 111, a locking cone 116 which can be locked on the locking chamfer is provided at the end of the valve core end 115 close to the valve core sleeve, a flow groove 117 is recessed inwardly at the end of the valve core end away from the valve core sleeve, and radial notches 118 are circumferentially spaced apart on the side wall of the flow groove 117 on the side of the locking cone close to the second joint 2, and a valve core spring 119 is provided between the valve core end 115 and the valve core sleeve 114. Under normal conditions, under the action of the valve core spring 119, the valve core end 115 passes through the locking step 101 and the locking cone 116 seals against the locking chamfer 102, and the first gas path 10 is sealed and closed by the self-sealing valve 11; when the valve core 111 is pushed, the locking cone 116 tightly leaves the locking chamfer 102, the flow groove 117 is connected to the valve seat flow channel 113 through the radial notch 118, and the first gas path 10 is in an open and connected state.

[0046] The second joint can be connected to a fixed facility (a fixed gas supply facility that automatically supplies gas to a movable gas receiving facility, or a fixed gas receiving facility that can receive gas from a movable gas supply facility), or connected to a detection device that performs atmosphere detection on a movable facility (including important production process parameters such as composition and dew point). The second joint 2 can adjust the height position and the horizontal position under the drive of the adjustment mechanism. A second gas path 20 that is axially through and normally open is provided in the second joint 2; a docking propulsion structure 3 that can drive the second joint 2 to reciprocate axially is connected to the second joint 2, and the docking propulsion structure 3 can drive the second joint 2 to insert into the first joint 1, press against and open the self-sealing valve 11 to connect the gas path, or drive the second joint 2 to leave the first joint 1; the second joint 2 is also connected to an alignment guide structure 4, and the alignment guide structure 4 can guide the movement direction of the second joint 2 so that the second joint 2 can be aligned and inserted into the first joint 1; the adjustment mechanism, the docking propulsion structure and the alignment guide structure can all be electrically connected to the control unit.

[0047] The automatic docking device 100 for gas pipeline joints of the present invention is suitable for the intermittent supply of high, medium and low pressure gases to mobile facilities or the detection of the atmosphere inside the facilities, especially for industrial production fields that require multi-point, sequential, periodic and cyclic gas supply or atmosphere detection, such as a high-temperature annular annealing heat treatment furnace for cold-rolled silicon steel.

[0048] In the automatic docking device for gas pipeline joints provided by the present invention, the alignment guide structure can ensure that the axes of the second joint and the first joint are basically aligned, creating alignment conditions for subsequent joint docking and connection; the insertion, connection and separation of the second joint and the first joint are completed under the action of the docking propulsion structure, avoiding manual operation, and the unique structural design fully meets the automation and intelligent requirements of gas transportation or atmosphere detection in industrial production, especially in the transportation of dangerous or toxic gases, the safety, reliability and stability of the equipment are required to be higher, and the advantages of the device are more prominent; the automatic docking device for gas pipeline joints provided by the present invention is a key equipment for realizing automatic atmosphere detection, and can quickly and automatically dock the fixed facility pipeline with the movable facility pipeline, and there is no gas leakage after the docking is completed. At the same time, the device has a durable service life and reliability.

[0049] Further, if Figure 1 , Figure 2 , Figure 3 As shown, the first joint 1 is fixedly arranged on the first panel 12. In a specific embodiment of the present invention, a third step portion with an increased diameter is arranged at one end of the first joint 1, which is axially pressed against the first panel 12 and fixed by screws to realize the connection between the first joint 1 and the first panel 12; the first panel 12 can be fixedly arranged on the movable facility. In a specific embodiment of the present invention, the first panel 12 is connected to the movable facility by screws;

[0050] The second joint 2 is fixedly arranged on the second panel 21; the alignment guide structure 4 includes an alignment guide driving unit 41, an alignment guide rod 42 and an alignment guide sleeve 43, the alignment guide sleeve 43 is arranged on the first panel 12, the second panel 21 can be axially slidably sleeved on the alignment guide rod 42, and the alignment guide driving unit 41 can drive the alignment guide rod 42 to move axially to insert into or leave the alignment guide sleeve 43. The alignment guide driving unit 41 is electrically connected to the control unit, and the control unit can control the opening and closing of the alignment guide driving unit 41.

[0051] like Figure 1 , Figure 2As shown, in the present embodiment, there are two alignment guide drive parts 41, alignment guide rods 42 and alignment guide sleeves 43, which are respectively arranged on both sides of the second joint 2 in parallel and at intervals; the alignment guide drive part 41 adopts an alignment guide cylinder (it can also be a driving structure such as an electric push-pull rod), the alignment guide rod 42 is connected to the piston rod of the alignment guide cylinder, the second joint 2 and the two alignment guide rods 42 have a relatively precise spatial positioning relationship, and horizontal guide sleeves are provided on both sides of the second panel 21, and the two horizontal guide sleeves can be slidably mounted on the alignment guide rods 42 respectively; the two alignment guide sleeves 43 are respectively located on both sides of the first joint 1 on the first panel 12, and have a precise spatial positioning relationship with the first joint 1, after the alignment guide drive part 41 pushes the alignment guide rod 42 to insert into the alignment guide sleeve 43, it ensures that the axes of the first joint 1 and the second joint 2 are basically aligned, creating conditions for the subsequent docking of the first joint 1 and the second joint 2.

[0052] Driven by the docking propulsion structure 3 , the second panel 21 reciprocates along the axial direction of the alignment guide rod 42 to achieve docking or separation of the first joint 1 and the second joint 2 .

[0053] Further, if Figure 1 As shown, an alignment sleeve guide hole 431 is axially provided on the alignment guide sleeve 43, and the alignment guide rod 42 can be inserted into the alignment sleeve guide hole 431. A first transition cone surface 421 with a gradually expanding diameter is provided on the outer wall of the alignment guide rod 42 from the end close to the first joint 1 inwardly, and a second transition cone surface 432 with a gradually expanding diameter is provided in the alignment sleeve guide hole 431 from the end close to the second joint 2 inwardly.

[0054] The head of the alignment guide rod 42 of the alignment guide structure 4 is designed as a large-angle conical structure (the large angle here means that the cone vertex angle is large, so that its opening is large), and the entrance of the alignment guide sleeve 43 on the second panel 21 is designed as a large-angle conical hole, so that when the moving first panel 12 has a large stop error, the alignment guide rod 42 can also be smoothly inserted into the alignment guide sleeve 43 on the first panel 12. The outlet of the alignment sleeve guide hole 431 is still a cylindrical hole to meet the alignment sleeve guide hole 431 The guiding and circumferential limiting function of the alignment guide rod 42.

[0055] Further, if Figure 1 , Figure 2 , Figure 3 As shown, the adjustment mechanism includes a vertical floating frame 5, and the docking propulsion structure 3, the alignment guide drive unit 41, the alignment guide rod 42, the second panel 21 and the second joint 2 are all arranged on the vertical floating frame 5, and the vertical floating frame 5 can reciprocate in the vertical direction to adjust the height position of the second joint 2.

[0056] In order to enable the alignment guide rod 42 to move smoothly, a guide rod support 52 for the alignment guide rod 42 to slide through is provided on the vertical floating frame 5, and each alignment guide rod 42 is generally passed through two guide rod supports 52. The alignment guide driving unit 41 is fixedly connected to the vertical floating frame 5 through a guide cylinder support 54.

[0057] Further, if Figure 2 , Figure 3 As shown, the adjustment mechanism also includes a suspension structure 6, which suspends the vertical floating frame 5 from the top and can drive it to reciprocate in the vertical direction; vertical guide cylinders 51 are respectively connected to both sides of the vertical floating frame 5, and a movable bottom plate 7 that can move in the horizontal direction is arranged below the vertical floating frame 5, and vertical guide rods 71 ​​corresponding to the vertical guide cylinders 51 are respectively extended upward on the movable bottom plate 7. In this embodiment, the bottom end of the vertical guide rod 71 is connected to the movable bottom plate 7 to form a whole, and the vertical guide cylinder 51 can be slidably mounted on the vertical guide rod 71 to guide the vertical movement of the vertical floating frame 5.

[0058] Further, if Figure 2 , Figure 3 As shown, a fixed machine base 8 is arranged below the movable base plate 7, and the fixed machine base 8 is fixed on the foundation; a rolling linear guide pair 9 is arranged between the movable base plate 7 and the fixed machine base 8, and the movable base plate 7 can reciprocate along the length direction of the rolling linear guide pair under the action of the rolling linear guide pair 9, and the length direction of the rolling linear guide pair 9 is spatially perpendicular to the axial direction of the second joint 2 and the axial direction of the vertical guide rod 71 (the rolling linear guide pair 9 is horizontally arranged, and its length direction is parallel to the cross-sectional direction of the second joint 2), and horizontal reset springs 91 that can push the rolling linear guide pair to reset are arranged at both ends of the rolling linear guide pair 9.

[0059] like Figure 2 , Figure 3 As shown, the rolling linear guide pair 9 includes a guide rail 92 arranged on the fixed machine base 8, a guide rail groove 93 is arranged on the bottom surface of the movable base plate 7, and horizontal return springs 91 are respectively connected to the two ends of the guide rail groove 93, and the other end of each horizontal return spring 91 is connected to a lead screw end 94, and each lead screw end 94 is respectively passed through a lead screw nut seat 95 fixed on the fixed machine base 8. The guide rail groove 93, i.e. the initial position of the movable base plate 7, is adjusted by rotating and adjusting the lead screw end 94. When docking, the movable base plate 7 is pushed (driven by the vertical floating frame 5 and the second joint 2 thereon through the vertical guide rod 71) to make it move horizontally to meet the horizontal alignment of the second joint 2 and the first joint 1; after the second joint 2 and the first joint 1 are docked and separated, the movable base plate 7 is reset under the action of the horizontal return spring 91.

[0060] Further, if Figure 2 , Figure 3 As shown, the suspension structure 6 includes a support seat 61 located at the top of each vertical guide rod 71, each support seat 61 is hinged with a steering sprocket 62, a chain 63 is sleeved on the steering sprocket 62, one end of each chain 63 is connected to the vertical floating frame 5, and the other end of each chain 63 is connected to a counterweight 64. Each support seat 61 is also provided with a vertical pull rod 65 that can be adjusted, and the bottom end of each vertical pull rod 65 is connected to a hanging spring 66, and the bottom end of each hanging spring 66 is connected to the vertical floating frame 5. Each vertical pull rod 65 and the hanging spring 66 can adjust the initial height of the vertical floating frame 5. In this embodiment, a through pull rod through hole is provided on the support seat 61, and a pull rod external thread is provided on the upper part of the vertical pull rod 65, and a pull rod positioning nut 67 is threadedly connected to the vertical pull rod 65 at a position above the pull rod through hole.

[0061] During the docking and positioning process, the movable base plate 7 drives the vertical floating frame 5 and the structures attached thereto through the vertical guide rod 71 to make horizontal linear reciprocating motion under the constraint of the rolling linear guide pair 9, accurately realizing horizontal positioning for smooth docking; after the first joint 1 and the second joint 2 are separated, the movable base plate 7 returns to its original position under the action of the horizontal return spring 91.

[0062] Since the total weight of the vertical floating frame 5 and the structures attached thereto is balanced by the tension of the counterweight block 64 and the hanging spring 66, the friction resistance of the alignment guide rod 42 of the alignment guide structure 4 is greatly reduced during the insertion of the alignment guide sleeve 43, the wear of the alignment guide rod 42 and the alignment guide sleeve 43 is greatly reduced, the repeated alignment accuracy is improved, the equipment life is significantly extended, and the reliability of the equipment operation is significantly improved; the initial hanging height of the vertical floating frame 5 can be flexibly adjusted by the vertical pull rod 65 and the pull rod positioning nut, making the initial installation and adjustment of the equipment more convenient and simple.

[0063] The movable base plate 7 is installed on the fixed machine base 8 through a rolling linear guide pair 9, so that the horizontal lateral resistance of the movable base plate 7, the vertical guide rod 71, the vertical floating frame 5 and the various structures attached thereto during the alignment and guiding process is greatly reduced, the repeated alignment accuracy is improved, the equipment life is significantly extended, and the reliability of the equipment operation is significantly improved; the horizontal return springs 91 at both ends can ensure that the movable base plate 7, the vertical guide rod 71, the vertical floating frame 5 and the various structures attached thereto return to their original positions after each docking is completed.

[0064] In this embodiment, if Figure 1 , Figure 3As shown, the docking propulsion structure 3 includes a propulsion cylinder 31, which includes a propulsion cylinder barrel 311 fixed on the vertical floating frame, and a propulsion rod 312 is sealed and slidably penetrated in the propulsion cylinder barrel 311, and the free end of the propulsion rod 312 is connected to the second panel 21. The propulsion cylinder 31 is electrically connected to the control unit, and the control unit can control the opening and closing of the propulsion cylinder 31. The propulsion cylinder barrel 311 is fixedly connected to the vertical floating frame 5 through the propulsion cylinder support 53.

[0065] Further, if Figure 4 , Figure 6 As shown, the second joint 2 is provided with a first step portion 22 with an increased diameter, and the second panel 21 is provided with a second joint mounting hole, and the aperture size of the second joint mounting hole is larger than the outer diameter size of the second joint 2; a positioning groove with an increased diameter is provided at one end of the second joint mounting hole close to the first joint 1, and the end face of the first step portion 22 away from the first joint 1 can axially abut against the bottom of the positioning groove, and the aperture size of the positioning groove is larger than the outer diameter size of the first step portion 22; an annular rubber block 23 is also plugged in the positioning groove, and an annular pressure plate 24 that can axially abut and fix the annular rubber block 23 is connected to the end face of the second panel 21. In this embodiment, the annular pressure plate 24 can be fixed to the second panel 21 by screws.

[0066] The second joint 2 uses an annular rubber block 23 on the second panel 21 to allow the second joint 2 to make a slight radial displacement within a range of 360° during the docking process, thereby overcoming the slight alignment error caused by the gap of the alignment guide structure 4, reducing wear, ensuring the sealing performance is intact, and achieving reliable and smooth docking.

[0067] When the automatic docking device 100 of the gas pipeline joint of the present invention is used, the height position of the vertical floating frame 5 is first adjusted by the vertical pull rod 65 and the pull rod positioning nut, and the position needs to meet the requirements of the corresponding height positions of the second joint 2 and the first joint 1; the lateral position of the movable bottom plate 7 is adjusted by the rolling linear guide pair 9, and the position needs to meet the requirements of the corresponding lateral positions of the second joint 2 and the first joint 1; the alignment guide drive part 41 is started to push the alignment guide rod 42 to smoothly insert into the alignment guide sleeve 43 on the first panel 12, and then the propulsion cylinder 31 is started to push the second panel 21 and the second joint 2 thereon to insert into the first joint 1 to achieve docking. After the second joint 2 and the first joint 1 are docked, as shown in Figure 4 As shown, the self-sealing valve 11 in the first joint 1 is opened, and the first gas path 10 is connected with the second gas path 20 to realize gas circulation; when the second joint 2 is separated from the first joint 1, the self-sealing valve 11 in the first joint 1 closes automatically, cutting off the gas path to prevent gas leakage. The second joint 2 and the first joint 1 can be connected and separated under the control of the control unit, reducing manual operations and meeting the automation and intelligent requirements of joint connection.

[0068] As described above, the automatic docking device for gas pipeline joints provided by the present invention has the following beneficial effects:

[0069] In the automatic docking device for gas pipeline joints provided by the present invention, the alignment guide rod and the second joint have a relatively accurate spatial positioning relationship, the alignment guide sleeve and the first joint have an accurate spatial positioning relationship, and the alignment guide structure can ensure that the axes of the second joint and the first joint are basically aligned, creating a centering condition for subsequent joint docking and connection;

[0070] The head of the alignment guide rod is designed as a large-angle conical structure, and the entrance of the alignment guide sleeve is designed as a large-cone-angle conical hole, so that when the moving first panel has a large stopping error, the alignment guide rod can also be smoothly inserted into the alignment guide sleeve on the first panel;

[0071] The total weight of the vertical floating frame and the structures attached to it is balanced by the counterweight block and the tension of the hanging spring. The friction resistance of the alignment guide rod is greatly reduced during the insertion of the alignment guide sleeve, and the wear of the alignment guide rod and the alignment guide sleeve is greatly reduced. The repeated alignment accuracy is improved, the equipment life is significantly extended, and the reliability of equipment operation is significantly improved; the initial suspension height of the vertical floating frame can be flexibly adjusted by the vertical tie rod and the tie rod positioning nut, making the initial installation and adjustment of the equipment more convenient and simple;

[0072] The second joint uses an annular rubber block on the second panel, so that during the docking process, the second joint can make a slight radial displacement within 360°, overcoming the slight alignment error caused by the gap of the alignment guide structure, reducing wear, ensuring the sealing performance is intact, and achieving reliable and smooth docking;

[0073] The insertion, connection and separation of the second joint and the first joint are completed under the action of the docking and pushing structure, avoiding manual operation. The unique structural design fully meets the automation and intelligent requirements of gas transportation or atmosphere detection in industrial production, especially in the transportation of dangerous or toxic gases, which requires higher safety, reliability and stability of the equipment, and the advantages of this device are more prominent;

[0074] The gas pipeline joint automatic docking device provided by the present invention is a key equipment for realizing automatic atmosphere detection, which can quickly and automatically dock fixed facility pipelines with movable facility pipelines without gas leakage after docking, and the device has a long service life and reliability.

[0075] The above description is only an illustrative embodiment of the present invention and is not intended to limit the scope of the present invention. Any equivalent changes and modifications made by any person skilled in the art without departing from the concept and principle of the present invention shall fall within the scope of protection of the present invention.

Claims

1. An automatic docking device for gas pipeline joints, It is characterized in that The invention comprises a first joint, a second joint and a control part, wherein the first joint can be communicated with a pipeline of an activity facility, a first air path which is axially penetrated is provided in the first joint, a self-sealing valve which can close and cut off the air path and can be pushed to open the connected air path is provided in the first air path; the second joint can adjust the height position and the horizontal position under the drive of the adjustment mechanism, and a second air path which is axially penetrated and normally open is provided in the second joint; a docking propulsion structure which can drive the second joint to reciprocate in the axial direction is connected to the second joint, and the docking propulsion structure can drive the second joint to be inserted into the first joint to push against and open the self-sealing valve to connect the air path or drive the second joint to leave the first joint; the second joint is also connected to an alignment guide structure, and the alignment guide structure can guide the movement direction of the second joint so that the second joint can be aligned and inserted into the first joint; the adjustment mechanism, the docking propulsion structure and the alignment guide structure can all be electrically connected to the control part; A locking step with a reduced diameter is arranged in the first gas circuit, and a locking chamfer is arranged at one end of the locking step away from the second joint. The self-sealing valve comprises a valve core and a valve core seat, and the valve core seat is fixedly sleeved in the first gas circuit, and an axially penetrating valve seat flow channel is arranged on the valve core seat, a valve core sleeve is fixedly arranged in the valve core seat, and the valve core can slide along the valve core sleeve, a valve core end head with an outer diameter matching the inner diameter of the locking step is arranged at one end of the valve core, and a locking cone which can be locked on the locking chamfer is arranged at one end of the valve core end head close to the valve core sleeve, and an end of the valve core end head away from the valve core sleeve is provided with a locking cone. A flow groove is concavely arranged inwardly, and radial notches are arranged at intervals in the circumferential direction on the side wall of the flow groove on the side of the locking cone close to the second joint, and a valve core spring is arranged between the valve core end and the valve core sleeve; in a normal state, under the action of the valve core spring, the valve core end passes through the locking step and the locking cone seal is pressed against the locking chamfer, and the first gas path is sealed and closed by the self-sealing valve; when the valve core is pressed, the locking cone seal leaves the locking chamfer, the flow groove is connected to the valve seat flow channel through the radial notch, and the first gas path is in an open and connected state; The first joint is fixedly arranged on the first panel, and the first panel can be fixedly arranged on the movable facility; the second joint is fixedly arranged on the second panel; the alignment guide structure comprises an alignment guide driving part, an alignment guide rod and an alignment guide sleeve, the alignment guide sleeve is arranged on the first panel, the second panel can be axially slidably sleeved on the alignment guide rod, and the alignment guide driving part can drive the alignment guide rod to move axially to insert into or leave the alignment guide sleeve; The adjustment mechanism comprises a vertical floating frame, the docking propulsion structure, the alignment guide driving unit, the alignment guide rod, the second panel and the second joint are all arranged on the vertical floating frame, and the vertical floating frame can reciprocate in the vertical direction to adjust the height position of the second joint; The adjustment mechanism also includes a suspension structure, which suspends the vertical floating frame from the top and can drive it to reciprocate in the vertical direction; vertical guide cylinders are respectively connected to the two sides of the vertical floating frame, and a movable bottom plate that can move in the horizontal direction is arranged below the vertical floating frame, and vertical guide rods corresponding to the vertical guide cylinders are respectively extended upward on the movable bottom plate, and the vertical guide cylinders can be slidably sleeved on the vertical guide rods to guide the vertical movement of the vertical floating frame; The second joint is provided with a first step portion with an increased diameter, and the second panel is provided with a second joint mounting hole, the aperture size of the second joint mounting hole is larger than the outer diameter size of the second joint; a positioning groove with an increased diameter is provided at one end of the second joint mounting hole close to the first joint, the end surface of the first step portion away from the first joint can axially abut against the bottom of the positioning groove, and the aperture size of the positioning groove is larger than the outer diameter size of the first step portion; an annular rubber block is also plugged in the positioning groove, and an annular pressure plate that can axially abut and fix the annular rubber block is connected to the end surface of the second panel.

2. The automatic docking device for gas pipeline joints according to claim 1, It is characterized in that An alignment sleeve guide hole is axially arranged on the alignment guide sleeve, and the alignment guide rod can be inserted into the alignment sleeve guide hole. A first transition cone surface with a gradually expanding diameter is arranged on the outer wall of the alignment guide rod from the end close to the first joint inwardly, and a second transition cone surface with a gradually expanding diameter is arranged in the alignment sleeve guide hole from the end close to the second joint inwardly.

3. The automatic docking device for gas pipeline joints according to claim 1, It is characterized in that A fixed machine base is arranged below the movable base plate, and a rolling linear guide pair is arranged between the movable base plate and the fixed machine base. The movable base plate can reciprocate along the length direction of the rolling linear guide pair under the action of the rolling linear guide pair. The length direction of the rolling linear guide pair and the axial direction of the second joint and the axial direction of the vertical guide rod are all arranged vertically to each other in space. Horizontal return springs that can push the rolling linear guide pair to return to their original position are arranged at both ends of the rolling linear guide pair.

4. The automatic docking device for gas pipeline joints according to claim 3, It is characterized in that The rolling linear guide pair includes a guide rail arranged on the fixed machine base, and a guide rail groove that can slide along the guide rail is arranged on the bottom surface of the movable base plate. The horizontal return springs are respectively connected to the two ends of the guide rail groove, and the other end of each horizontal return spring is connected to the end of the screw, and each of the lead screw ends is respectively passed through a lead screw nut seat fixed on the fixed machine base.

5. The automatic docking device for gas pipeline joints according to claim 1, It is characterized in that The suspension structure includes support seats respectively located at the top of each of the vertical guide rods, each of the support seats is hinged with a steering sprocket, a chain is mounted on the steering sprocket, one end of each of the chains is connected to the vertical floating frame, and the other end of each of the chains is connected to a counterweight block. Each of the support seats is also respectively and adjustably provided with a vertical pull rod, the bottom end of each of the vertical pull rods is respectively connected to a hanging spring, and the bottom end of each of the hanging springs is connected to the vertical floating frame. Each of the vertical pull rods and the hanging springs can adjust the initial height of the vertical floating frame.

6. The automatic docking device for gas pipeline joints according to claim 5, It is characterized in that The support seat is provided with a through pull rod through hole, the upper part of the vertical pull rod is provided with a pull rod external thread, and the vertical pull rod is threadedly connected with a pull rod positioning nut at a position above the pull rod through hole.

7. The automatic docking device for gas pipeline joints according to claim 1, It is characterized in that The docking propulsion structure includes a propulsion cylinder, which includes a propulsion cylinder barrel fixed on the vertical floating frame, a propulsion rod sealingly and slidingly penetrated in the propulsion cylinder barrel, and a free end of the propulsion rod is connected to the second panel.

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