Pipeline butt joint device for natural gas long-distance pipeline construction

By introducing a rack and pinion locking mechanism into the hydraulic jack docking device, the problem of poor convenience caused by a single locking mechanism is solved, achieving stable locking and flexible adaptation of the docking device, and improving the safety and efficiency of the docking process.

CN223947222UActive Publication Date: 2026-02-27三防(山东)新材料科技有限公司
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Patent Information

Application Number
CN202520382630.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-02-27
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

Traditional hydraulic jack locking mechanisms are simple, resulting in poor ease of use and potential safety hazards.

Method used

A pipe docking device including a first alignment frame and a second alignment frame is designed. It adopts a locking mechanism of rack and pinion and pawl. The engagement of the rack and pawl forms a stable locking mechanism. It is equipped with a hydraulic jack to provide adjustable support force. The clamping plate ensures that the pipe is firmly clamped.

Benefits of technology

It improves the flexibility and reliability of the docking device, ensures the stability and safety of the docking process, adapts to different terrains and pipe sizes, simplifies the operation process, and reduces friction and wear.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pipeline butt joint device for natural gas long-distance pipeline construction, and relates to the field of hydraulic jack aligning devices. The alignment device comprises a first alignment frame and a second alignment frame, one side of the first alignment frame is rotationally connected with one side of the second alignment frame, a first mounting plate and a second mounting plate are fixedly arranged on the other side of the first alignment frame and the other side of the second alignment frame respectively, and locking mechanisms are mounted on the two sides of the first mounting plate and the two sides of the second mounting plate respectively. The rack is inserted into the hollow groove in the inner side of the locking block through the locking mechanism, so that the pawl is clamped with the ratchet on the rack, a reliable locking mechanism is provided, relative movement between the first mounting plate and the second mounting plate can be effectively prevented through close fit of the rack and the pawl, and the service life of the first mounting plate and the second mounting plate is prolonged. Therefore, the position stability in the butt joint process is ensured, the anti-interference capacity of the butt joint device is greatly improved when the butt joint device bears external force, and the accuracy and safety of butt joint of natural gas pipelines are ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of hydraulic jack mouthpiece, concretely is a pipeline butt joint device for natural gas long -distance pipeline construction. BACKGROUND

[0002] The hydraulic jack mouthpiece plays a key role in the field of natural gas long -distance pipeline construction, improves the preparation efficiency before pipeline welding through accurate mouthpiece, ensures the welding quality, and can adapt to the needs of different terrains and pipeline directions, and enhances the construction flexibility.

[0003] The existing natural gas pipeline has a relatively important role in the process of welding alignment, but there is a problem in the welding use, specifically: the hydraulic jack mouthpiece has only one locking mechanism, which is a hydraulic jack, and is supported and locked by the hydraulic jack, if the hydraulic jack suddenly fails, the mouthpiece cannot continue to work normally, which reduces the user's convenience of using the mouthpiece. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a pipeline butt joint device for natural gas long -distance pipeline construction to solve the technical problem of single locking mechanism of traditional hydraulic jack mouthpiece, which causes poor use convenience.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pipeline butt joint device for natural gas long -distance pipeline construction, including first alignment frame, second alignment frame, the side of first alignment frame, second alignment frame is rotatably connected, and the other side of first alignment frame, second alignment frame is respectively fixedly provided with first mounting plate, second mounting plate, the both sides of first mounting plate, second mounting plate are all installed with locking mechanism, the locking mechanism includes rack, one end of rack is rotatably connected with second mounting plate, the both sides of first mounting plate are rotatably installed with locking block, the inside of locking block is provided with the empty slot for the rack to enter, and the side of locking block is rotatably installed with pawl through torsion shaft.

[0006] Through the above technical scheme, the pipeline butt joint device for natural gas long -distance pipeline construction of the embodiment is rotatably connected with the side of first alignment frame and second alignment frame, realizes the flexible adjustment between two alignment frames, and adapts to the needs of different butt joint angles and positions.

[0007] Further, the side of rack is equidistantly arranged with a plurality of ratchets, and the pawl is engaged with the ratchet on the rack.

[0008] Through adoption of the above technical scheme, the ratchet teeth on the rack side are equidistantly arranged and engaged with the pawl, forming a stable locking mechanism, which not only ensures that the locking mechanism can maintain a stable locking state when bearing external force, but also allows the locking mechanism to be unlocked through simple operation when necessary.

[0009] Further, one side of the locking block is provided with a mounting groove for the pawl to access the rack.

[0010] Through adoption of the above technical scheme, the mounting groove provides the pawl with a channel to access the rack, so that the pawl can be smoothly engaged with or separated from the ratchet teeth on the rack, which not only simplifies the structure of the locking mechanism, but also improves the flexibility and reliability of the locking mechanism.

[0011] Further, the opening of the groove towards the rack side is formed with inclined grooves on both sides for guiding the rack to access the groove.

[0012] Through adoption of the above technical scheme, the inclined grooves provide a guiding effect for the rack to access the groove, so that the rack can be inserted into the groove more smoothly, reducing friction and wear and improving the durability of the locking mechanism.

[0013] Further, the outer side of the first mounting plate is rotatably provided with a limiting frame, and a hydraulic jack is supported between the limiting frame and the top surface of the second mounting plate.

[0014] Through adoption of the above technical scheme, the hydraulic jack provides the limiting frame with an adjustable supporting force, so that the docking device can adapt to natural gas pipelines of different sizes, improving the versatility and flexibility of the docking device.

[0015] Further, the inner side of the first limiting frame and the second limiting frame is provided with a plurality of clamping plates, and the clamping plates abut against the outer surface of the natural gas pipeline.

[0016] Through adoption of the above technical scheme, the plurality of clamping plates abut against the outer surface of the natural gas pipeline, achieving stable clamping of the pipeline, which not only ensures the positional stability of the pipeline during docking, but also prevents the pipeline from being displaced or deformed due to external force.

[0017] In summary, the utility model mainly has the following beneficial effects:

[0018] The utility model discloses a locking mechanism is inserted into the inside of the inside slot of locking block, makes the ratchet pawl and the ratchet on the rack card, provides a reliable locking mechanism, and the close cooperation of rack and ratchet pawl can effectively prevent the relative movement between the first mounting plate and the second mounting plate, thereby ensuring the position stability in the docking process, simultaneously, this locking mode has self -locking, once the ratchet pawl and the ratchet card, unless the active unlocking operation is carried out, otherwise will not because the external force and easily break off, this has improved the anti -interference ability of docking device when bearing external force greatly, has guaranteed the accuracy and safety of natural gas pipeline docking. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the bottom structure schematic diagram of the utility model;

[0021] Figure 3 It is the front structure schematic diagram of the utility model;

[0022] Figure 4 It is the utility model Figure 3 The enlarged structure schematic diagram of A place in the utility model.

[0023] In the drawing: 1, first alignment frame;2, second alignment frame;301, first mounting plate;302, second mounting plate;4, limit frame;5, jack;6, locking mechanism;601, rack;602, locking block;603, empty slot;604, inclined slot;605, installation slot;606, ratchet pawl;607, torsion shaft;7, clamping plate. DETAILED DESCRIPTION

[0024] The technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as the limitation of the utility model.

[0025] A kind of pipeline docking device for natural gas long-distance pipeline construction, such as Figures 1-4As shown, including the first alignment frame 1, the second alignment frame 2, the first alignment frame 1, the second alignment frame 2 is rotatably connected on one side, the first alignment frame 1, the second alignment frame 2 is respectively fixedly provided with the first mounting plate 301, the second mounting plate 302 on the other side, the two sides of the first mounting plate 301, the second mounting plate 302 are provided with locking mechanism 6, locking mechanism 6 includes rack 601, one end of rack 601 is rotatably connected with second mounting plate 302, locking block 602 is rotatably installed on both sides of first mounting plate 301, the inside of locking block 602 is provided with an empty slot 603 for rack 601, one side of locking block 602 is rotatably installed with pawl 606 through torsion shaft 607, the pipeline butt joint device for natural gas long-distance pipeline construction of the embodiment, through the rotatable connection of the first alignment frame 1 and the second alignment frame 2, the flexible adjustment between the two alignment frames is realized, the requirements of different butt joint angles and positions are adapted, meanwhile, the locking mechanism 6 installed on both sides of the first mounting plate 301 and the second mounting plate 302 provides stable support and locking function for the alignment frame, the rack 601 in the locking mechanism 6 is rotatably connected with the second mounting plate 302, the locking block 602 is rotatably installed with the first mounting plate 301, and through the design of the empty slot 603 and the pawl 606, reliable locking effect is realized, the stability and safety in the butt joint process are ensured.

[0026] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , the side of the rack 601 is equidistantly arranged with a plurality of ratchets, the pawl 606 is engaged with the ratchet on the rack 601, the equidistantly arranged ratchets on the side of the rack 601 are engaged with the pawl 606, forming a stable locking mechanism, not only ensuring that the locking mechanism 6 can maintain a stable locking state when bearing external force, but also allowing simple operation to realize unlocking when needed, meanwhile, the cooperation of the ratchet and the pawl 606 provides clear locking and unlocking position feedback, so that the operator can intuitively judge the working state of the locking mechanism, improving the accuracy and reliability of the operation.

[0027] Referring to Figure 4 , the side of the locking block 602 is provided with a mounting groove 605, which provides a channel for the pawl 606 to access the rack 601, so that the pawl 606 can be smoothly engaged with or separated from the ratchet on the rack 601, not only simplifying the structure of the locking mechanism 6, but also improving the flexibility and reliability of its work, meanwhile, the design of the mounting groove 605 also facilitates the installation and maintenance of the pawl 606, reducing the use cost.

[0028] Referring to Figure 4The oblique groove 604 is formed on both sides of the opening of the empty slot 603 facing the rack 601, and the oblique groove 604 provides a guide for the rack 601 to access the empty slot 603, so that the rack 601 can be more smoothly inserted into the empty slot 603, reducing friction and wear, improving the durability of the locking mechanism 6, and at the same time, the oblique groove 604 also increases the smoothness of the rack 601 and the locking block 602, making the locking more stable and reliable.

[0029] Referring to Figure 1 , Figure 2 , Figure 3 The outer side of the first mounting plate 301 is rotatably mounted with a limiting frame 4, and a hydraulic jack 5 is supported between the limiting frame 4 and the top surface of the second mounting plate 302, which provides an adjustable supporting force for the limiting frame, so that the butt joint device can adapt to natural gas pipelines of different sizes, improving its versatility and flexibility, and at the same time, the use of the jack 5 also simplifies the adjustment steps in the butt joint process, improving the work efficiency.

[0030] Referring to Figure 1 , Figure 2 , Figure 3 The inner side of the first limiting frame 1 and the second limiting frame 2 is provided with a plurality of clamping plates 7, which abut against the outer surface of the natural gas pipeline, and a plurality of clamping plates 7 abut against the outer surface of the natural gas pipeline, which realizes stable clamping of the pipeline, not only ensures the positional stability of the pipeline during butt joint, but also prevents displacement or deformation of the pipeline due to external force, and at the same time, the clamping plate 7 also considers the different diameters of the pipeline, and by adjusting the position and number of the clamping plate 7, it can adapt to the butt joint requirements of pipelines of different specifications.

[0031] The implementation principle of the embodiment is that the device provides a stable support structure for the butt joint of the natural gas pipeline through the rotary connection of the first limiting frame 1 and the second limiting frame 2, and through the support of the hydraulic jack 5 to the first mounting plate 301 and the second mounting plate 302, during the butt joint process, first, the hydraulic jack 5 is supported between the limiting frame 4 and the second mounting plate 302, and the distance between the first limiting frame 1 and the second limiting frame 2 is adjusted to adapt to natural gas pipelines of different sizes, then the inner natural gas pipeline is clamped and fixed by the clamping plate 7, then the rack 601 is inserted into the inner empty slot 603 of the locking block 602, so that the pawl 606 is engaged with the ratchet teeth on the rack 601, thereby locking the relative position of the first mounting plate 301 and the second mounting plate 302, ensuring the stability during the butt joint process.

[0032] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A pipeline docking device for the construction of a long-distance natural gas pipeline, characterized in that: The system includes a first alignment frame (1) and a second alignment frame (2). The first alignment frame (1) and the second alignment frame (2) are rotatably connected on one side. The other side of the first alignment frame (1) and the second alignment frame (2) are respectively fixedly provided with a first mounting plate (301) and a second mounting plate (302). Both sides of the first mounting plate (301) and the second mounting plate (302) are equipped with locking mechanisms (6). The locking mechanism (6) includes a rack (601). One end of the rack (601) is rotatably connected to the second mounting plate (302). Both sides of the first mounting plate (301) are rotatably equipped with locking blocks (602). The inner side of the locking block (602) is provided with a slot (603) for the rack (601) to pass through. One side of the locking block (602) is rotatably equipped with a pawl (606) through a torque shaft (607).

2. The pipeline docking device for the construction of long-distance natural gas pipelines according to claim 1, characterized in that: A number of ratchet teeth are arranged at equal intervals on one side of the rack (601), and the pawl (606) engages with the ratchet teeth on the rack (601).

3. The pipeline docking device for the construction of long-distance natural gas pipelines according to claim 1, characterized in that: The locking block (602) has a mounting groove (605) on one side for the pawl (606) to access the channel of the rack (601).

4. The pipeline docking device for the construction of long-distance natural gas pipelines according to claim 1, characterized in that: The slot (603) has inclined grooves (604) on both sides of the opening facing the rack (601) to guide the rack (601) to access the slot (603).

5. The pipeline docking device for the construction of long-distance natural gas pipelines according to claim 1, characterized in that: A limiting frame (4) is rotatably mounted on the outer side of the first mounting plate (301), and a hydraulic jack (5) is provided between the limiting frame (4) and the top surface of the second mounting plate (302).

6. The pipeline docking device for the construction of long-distance natural gas pipelines according to claim 1, characterized in that: The inner sides of the first alignment frame (1) and the second alignment frame (2) are provided with several clamping plates (7), and the clamping plates (7) abut against the outer surface of the natural gas pipeline.