Limiting device for fixing pipeline through Harvard joint

Abstract

The utility model relates to the technical field of pipeline engineering, and discloses a limiting device adopting a Harvard joint to fix a pipeline, which comprises a pipeline, the outer wall of the pipeline is fixedly connected with a fixing block, the outer wall of the fixing block is rotatably connected with a bottom plate, the outer wall of the bottom plate is rotatably connected with a rotating block, the inner wall of the rotating block is slidably connected with a sliding rod, and the sliding rod is fixedly connected with the pipeline. A limiting block is fixedly connected to one end of the sliding rod, a limiting ring is fixedly connected to the other end of the sliding rod, a hollow plate is fixedly connected to the outer wall of the pipeline, a connecting rod is slidably connected to the inner wall of the hollow plate, a reinforcing assembly used for reinforcing is fixedly connected to the outer surface of the pipeline, and the reinforcing assembly comprises Harvard joints. According to the utility model, the pipeline splicing assembly is additionally arranged, so that the splicing between two pipelines is realized, the applicability of the pipelines can be improved according to working conditions while the pipelines are conveniently limited, and the construction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline engineering technical field especially, relates to a kind of limiting device of fixed pipeline using harvard section. BACKGROUND

[0002] Pipeline limiting device is mainly fixed in specific position by mechanical structure, such as clamp, support etc., limits its axial and radial displacement. Working principle is to use the friction and constraint force between device and pipeline, resist the force generated by pipeline due to thermal expansion and contraction, fluid impact etc. It is commonly used in chemical industry, petroleum etc. pipeline system, and city heating, water supply pipeline etc. scene, can ensure that pipeline runs stably, prevent safety accidents and pipeline damage caused by displacement.

[0003] Limiting device of fixed pipeline using harvard section is used to limit the displacement and movement of pipeline, to ensure that pipeline maintains stable position during operation. It can enhance the safety and stability of pipeline system, avoid interface loosening, leakage etc. caused by pipeline movement, also can reduce pipeline wear and fatigue, prolong the service life of pipeline, reduce maintenance cost, and ensure the normal operation of pipeline system.

[0004] In prior art, part of pipeline limiting device is usually fixed size pipeline when using, which will lead to pipeline unable to adapt to different working conditions, when non-standard installation space is encountered, fixed length pipeline is difficult to adapt, may need to be cut or spliced, increase installation workload and difficulty, therefore, limiting device of fixed pipeline using harvard section is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a kind of limiting device of fixed pipeline using harvard section, to improve the problem that fixed size pipeline is usually used in prior art, which will lead to pipeline unable to adapt to different working conditions.

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

[0007] A kind of limiting device of fixed pipeline using harvard section, including pipeline, the outer wall of the pipeline is fixedly connected with fixed block, the outer wall of the fixed block is rotatably connected with bottom plate, the outer wall of the bottom plate is rotatably connected with rotating block, the inner wall of the rotating block is slidably connected with sliding rod, one end of the sliding rod is fixedly connected with limiting block, the other end of the sliding rod is fixedly connected with limiting ring, the outer wall of the pipeline is fixedly connected with hollow plate, the inner wall of the hollow plate is slidably connected with connecting rod, the outer surface of the pipeline is fixedly connected with reinforcing assembly for reinforcing;

[0008] As a further description of the above technical scheme:

[0009] The reinforcing assembly comprises a Harvard joint, a screw is threadedly connected to the inner wall of the Harvard joint, a control plate is rotatably connected to the bottom end of the screw, a plurality of dampers are fixedly connected to the bottom of the control plate;

[0010] As a further description of the above technical solution:

[0011] The other end of the plurality of dampers is fixedly connected with a contact plate, and the bottom of the contact plate is in contact with the outer wall of the pipeline;

[0012] As a further description of the above technical solution:

[0013] The top end of the connecting rod is fixedly connected with a control rod, and the outer wall of the connecting rod is sleeved with a spring;

[0014] As a further description of the above technical solution:

[0015] One end of the spring is fixedly connected to the inner wall of the hollow plate, and the other end of the spring is fixedly connected with a clamping block;

[0016] As a further description of the above technical solution:

[0017] The outer wall of the clamping block is slidably connected to the inner wall of the hollow plate, and one side of the clamping block is fixedly connected to one end of the connecting rod;

[0018] As a further description of the above technical solution:

[0019] The outer wall of the limiting ring is slidably connected with a lock groove, the outer wall of the lock groove is fixedly connected with another pipeline, the inner wall of the lock groove is provided with a lock block, and the outer wall of the limiting ring is slidably connected to the inner wall of the lock block;

[0020] As a further description of the above technical solution:

[0021] The outer wall of the Harvard joint is fixedly connected with a connecting plate, the inner wall of the connecting plate is threadedly connected with a fixing nut, and the outer wall of the fixing nut is threadedly connected with another connecting plate.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1、The utility model discloses a limiting ring is clamped in the inner wall of the lock groove that the lock block outer wall sets up, then rotates the bottom plate, at this time, the rotating block will move, makes the sliding rod slide in the inner wall of the rotating block, then when the limiting block of one end of the sliding rod contacts the rotating block, the sliding rod provides the pulling force for the limiting ring, and the outer wall of the limiting ring is convenient for clamping the inner wall of the lock groove, then the connecting rod is taken with the clamping block and is clamped into the inner wall of the bottom plate, so as to fix the bottom plate, so as to realize the splicing between the two pipelines, and the pipeline is limited simultaneously, and the applicability of the pipeline can also be improved according to the working condition.

[0024] 2、 the utility model discloses, the upper half portion's harvard festival splicing is in the top of the lower half portion's harvard festival, then through the screwing of multiple fixed nuts into the inner wall of connecting plate to splice harvard festival together to facilitate the fixed harvard festival, at this time, rotate screw rod, so that the contact plate is tightly clamped at the damaged place of the pipe outside, so that the contact plate is tightly attached to the outer wall of the pipe, then when the impact force of water flow through the damaged place of the pipe is too large, the damage of harvard festival by water flow can be reduced through the action of damper. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A three-dimensional schematic view of a limiting device for fixing a pipeline by using a harvard festival is provided for the utility model;

[0026] Figure 2 A structural schematic view of a screw rod of a limiting device for fixing a pipeline by using a harvard festival is provided for the utility model;

[0027] Figure 3 A structural schematic view of a harvard festival of a limiting device for fixing a pipeline by using a harvard festival is provided for the utility model;

[0028] Figure 4 A Figure 3 Enlarged view of A in the middle.

[0029] Legend:

[0030] 1, pipeline;2, bottom plate;3, limiting block;4, rotating block;5, fixed block;6, sliding rod;7, lock block;8, lock groove;9, limiting ring;10, clamping block;11, spring;12, connecting rod;13, control rod;14, harvard festival;15, screw rod;16, control plate;17, damper;18, contact plate;19, fixed nut;20, connecting plate;21, hollow plate. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Refer to Figures 2 to 4The utility model provides a kind of limiting device of Harvard section fixed pipeline 1: a kind of limiting device of Harvard section fixed pipeline 1, including pipeline 1, the outer wall of pipeline 1 is fixedly connected with fixed block 5, so that fixed block 5 can be stably fixed on the outer wall of pipeline 1, and provide foundation for the connection of subsequent components, the outer wall of fixed block 5 is rotatably connected with bottom plate 2, so that bottom plate 2 can rotate around fixed block 5, facilitate to realize different connection and disassembly operation, the outer wall of bottom plate 2 is rotatably connected with rotating block 4, rotating block 4 can rotate relative to bottom plate 2, to realize some specific actions and position adjustment, the inner wall of rotating block 4 is slidably connected with sliding rod 6, and sliding rod 6 can slide on the inner wall of rotating block 4 to meet the requirement of different working conditions.

[0033] One end of sliding rod 6 is fixedly connected with limit block 3, and limit block 3 can limit the sliding of sliding rod 6 to a certain extent, to prevent it from sliding out of the normal working range, the other end of sliding rod 6 is fixedly connected with limit ring 9, and limit ring 9 is used to cooperate with other components to limit pipeline 1, the outer wall of pipeline 1 is fixedly connected with hollow plate 21, and hollow plate 21 is fixed on the outer wall of pipeline 1 to provide installation and movement space for connecting rod 12 and other components, the inner wall of hollow plate 21 is slidably connected with connecting rod 12, and connecting rod 12 can slide on the inner wall of hollow plate 21 to realize the movement of clamping block 10 and other components, the outer surface of pipeline 1 is fixedly connected with reinforcing assembly for reinforcement, and the reinforcing assembly can enhance the stability and reliability of the connection of pipeline 1, the top end of connecting rod 12 is fixedly connected with control rod 13, control rod 13 is convenient for operating personnel to pull connecting rod 12, so as to drive clamping block 10 and other components to act,

[0034] The outer wall of connecting rod 12 is sleeved with spring 11, spring 11 is sleeved on the outer wall of connecting rod 12 to provide elastic restoring force for the movement of clamping block 10, one end of spring 11 is fixedly connected to the inner wall of hollow plate 21, so that one end of spring 11 has a fixed connection point, the other end of spring 11 is fixedly connected with clamping block 10, and clamping block 10 can slide under the action of spring 11, so as to clamp or separate from bottom plate 2, the outer wall of clamping block 10 is slidably connected to the inner wall of hollow plate 21, and clamping block 10 can slide on the inner wall of hollow plate 21 to realize clamping and separation with bottom plate 2, one side of clamping block 10 is fixedly connected to one end of connecting rod 12, and connecting rod 12 can drive clamping block 10 to move, the outer wall of limit ring 9 is slidably connected with lock slot 8, limit ring 9 can slide in lock slot 8 to facilitate limiting and installing pipeline 1, the outer wall of lock slot 8 is fixedly connected with another pipeline 1, lock slot 8 connects another pipeline 1 with limit ring 9 to realize the splicing of two pipelines 1, the inner wall of lock slot 8 is provided with lock block 7, lock block 7 provides clamping inner wall structure for limit ring 9 to facilitate limiting, the outer wall of limit ring 9 is slidably connected to the inner wall of lock block 7, limit ring 9 can slide on the inner wall of lock block 7 to clamp the inner wall of lock block 7 at appropriate position to realize limiting.

[0035] Referring to Figures 1 to 3 The reinforcing assembly comprises a harvard joint 14 for repairing and reinforcing the damaged part of the pipeline 1, a screw rod 15 is threadedly connected to the inner wall of the harvard joint 14, the threaded connection of the screw rod 15 and the inner wall of the harvard joint 14 enables the screw rod 15 to drive other components to move up and down when the screw rod 15 rotates, the bottom end of the screw rod 15 is rotatably connected to a control plate 16, the control plate 16 can move up and down under the driving of the screw rod 15, so as to control the position of a damper 17 and the like, a plurality of dampers 17 are fixedly connected to the bottom of the control plate 16, the dampers 17 can play a buffering role when the water flow impact force is too large, so as to reduce the damage to the harvard joint 14, the other end of the plurality of dampers 17 is fixedly connected to a contact plate 18, the contact plate 18 is connected with the control plate 16 through the dampers 17, and can be tightly attached to the outer wall of the pipeline 1,

[0036] The bottom of the contact plate 18 is in contact with the outer wall of the pipeline 1, the contact plate 18 is in contact with the outer wall of the pipeline 1, plays a reinforcing and attaching role on the damaged part of the pipeline 1, the outer wall of the harvard joint 14 is fixedly connected with a connecting plate 20, the connecting plate 20 provides a position for the connection of a fixing nut 19, facilitates the splicing of the harvard joint 14, the inner wall of the connecting plate 20 is threadedly connected with the fixing nut 19, the threaded connection of the fixing nut 19 and the connecting plate 20 can splice the harvard joint 14 together to realize fixation, the outer wall of the fixing nut 19 is threadedly connected with another connecting plate 20, the two connecting plates 20 are connected through the fixing nut 19, so as to splice and fix the harvard joint 14.

[0037] Working principle: when it is necessary to disassemble two pipelines 1, at this time, the control rod 13 is pulled, the control rod 13 drives the connecting rod 12 and the clamping block 10 to slide out of the inner wall of the bottom plate 2, so that the clamping block 10 no longer clamps the bottom plate 2, at this time, the bottom plate 2 is rotated, the rotation of the bottom plate 2 causes the rotating block 4 to move, at this time, the sliding rod 6 also moves, at this time, the limiting ring 9 no longer clamps the inner wall of the locking groove 8 opened in the outer wall of the locking block 7, when it is necessary to complete the limiting installation of the two pipelines 1, at this time, the limiting ring 9 is clamped in the locking groove 8 opened in the outer wall of the locking block 7, and then the bottom plate 2 is rotated, at this time, the rotating block 4 moves, causing the sliding rod 6 to slide in the inner wall of the rotating block 4, then when the limiting block 3 at one end of the sliding rod 6 contacts the rotating block 4, the sliding rod 6 provides a pulling force to the limiting ring 9, so that the outer wall of the limiting ring 9 clamps the inner wall of the locking groove 8, and then the connecting rod 12 with the clamping block 10 is clamped into the inner wall of the bottom plate 2, so as to fix the bottom plate 2, so as to realize the splicing between the two pipelines 1.

[0038] When the Harvard joint 14 is used to repair the damaged part of the pipeline 1, the upper half of the Harvard joint 14 is spliced on the top of the lower half of the Harvard joint 14, then the Harvard joint 14 is spliced together by screwing the plurality of fixing nuts 19 into the inner wall of the connecting plate 20 to fix the Harvard joint 14, at this time, the screw rod 15 is rotated, the screw rod 15 drives the control plate 16 and the plurality of dampers 17 and the contact plate 18 at the bottom of the dampers 17 to move downward, so that the contact plate 18 is tightly clamped on the damaged part outside the pipeline 1, so that the contact plate 18 is tightly attached to the outer wall of the pipeline 1, then when the impact force of the water flow through the damaged part of the pipeline 1 is too large, the damage of the Harvard joint 14 by the water flow can be reduced by the action of the dampers 17.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A limiting device for a fixed pipe with a Harvard section, comprising a pipe (1), characterized in that: The outer wall of the pipeline (1) is fixedly connected with a fixed block (5), the outer wall of the fixed block (5) is rotatably connected with a bottom plate (2), the outer wall of the bottom plate (2) is rotatably connected with a rotating block (4), the inner wall of the rotating block (4) is slidably connected with a sliding rod (6), one end of the sliding rod (6) is fixedly connected with a limiting block (3), the other end of the sliding rod (6) is fixedly connected with a limiting ring (9), the outer wall of the pipeline (1) is fixedly connected with a hollow plate (21), the inner wall of the hollow plate (21) is slidably connected with a connecting rod (12), and the outer wall of the pipeline (1) is fixedly connected with a reinforcing assembly for reinforcing.

2. A position limiting device employing a Harvard joint fixed pipe according to claim 1, characterized in that: The reinforcing assembly comprises a harvard joint (14), the inner wall of the harvard joint (14) is threadedly connected with a screw rod (15), the bottom end of the screw rod (15) is rotatably connected with a control plate (16), and the bottom of the control plate (16) is fixedly connected with a plurality of dampers (17).

3. A stopper device employing a Harvard joint fixed pipe according to claim 2, characterized in that: The other end of the plurality of dampers (17) is fixedly connected with a contact plate (18), and the bottom of the contact plate (18) is in contact with the outer wall of the pipeline (1).

4. The limiting device of claim 1, wherein: The top end of the connecting rod (12) is fixedly connected with a control rod (13), and the outer wall of the connecting rod (12) is sleeved with a spring (11).

5. A stopper device employing a Harvard joint fixed pipe according to claim 4, characterized in that: One end of the spring (11) is fixedly connected to the inner wall of the hollow plate (21), and the other end of the spring (11) is fixedly connected with a clamping block (10).

6. A stopper device employing a Harvard section fixed pipe according to claim 5, characterized in that: The outer wall of the clamping block (10) is slidably connected to the inner wall of the hollow plate (21), and one side of the clamping block (10) is fixedly connected to one end of the connecting rod (12).

7. A position limiting device employing a Harvard joint fixed pipe according to claim 1, characterized in that: The outer wall of the limiting ring (9) is slidably connected with a lock groove (8), the outer wall of the lock groove (8) is fixedly connected with another pipeline (1), the inner wall of the lock groove (8) is provided with a lock block (7), and the outer wall of the limiting ring (9) is slidably connected to the inner wall of the lock block (7).

8. A position limiting device employing a Harvard joint fixed pipe according to claim 2, characterized in that: The outer wall of the harvard joint (14) is fixedly connected with a connecting plate (20), the inner wall of the connecting plate (20) is threadedly connected with a fixed nut (19), and the outer wall of the fixed nut (19) is threadedly connected with another connecting plate (20).

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