CN220520056U

CN220520056U - Pipeline lifting mechanism

Info

Publication number: CN220520056U
Application number: CN202322054087.8U
Authority: CN
Inventors: 肖明月; 宋宗杰; 辛智鹏; 支伟群; 左文杰; 南海传
Original assignee: China Nuclear Industry Fifth Construction Co Ltd
Current assignee: China Nuclear Industry Fifth Construction Co Ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-02-23
Anticipated expiration: 2033-08-01

Abstract

The utility model provides a pipeline lifting mechanism, which comprises a pipeline clamp, a first lifting mechanism and a second lifting mechanism, wherein the pipeline clamp is sleeved outside a target pipeline; the first lifting mechanism is provided with a first lifting end, the first lifting end is connected with the pipeline clamp, and the first lifting mechanism is used for lifting the target pipeline to a first distance; the second lifting mechanism is provided with a second lifting end, the second lifting end is connected with the pipeline clamp, and the second lifting mechanism is used for lifting the target pipeline to a second distance on the basis of the first distance; wherein the first distance is at least greater than the vertical distance of the second elevating mechanism in the contracted state. According to the pipeline lifting mechanism, the first lifting mechanism is used as the pre-supporting mechanism, then the pipeline is lifted to the second distance by the second lifting mechanism, the requirement of the final lifting distance of the pipeline is met, and a support is not required to be additionally arranged through complicated steps, so that the pipeline lifting mechanism can be rapidly transited between two lifting steps, and the lifting efficiency of the pipeline is improved.

Description

Pipeline lifting mechanism

Technical Field

The utility model relates to the technical field of pipeline maintenance, in particular to a pipeline lifting mechanism.

Background

Liquefied natural gas uses a low-temperature storage tank and a pipeline thereof as storage and transportation, because natural gas is inflammable, the requirements on storage and maintenance are severe, and accidents such as gas leakage and the like of the storage tank and the pipeline cannot be completely avoided even though the low-temperature storage tank and the pipeline thereof are frequently maintained.

For maintenance and repair of the storage tank and the pipeline, a section of the pipeline which is maintained or repaired needs to be disassembled, and a jack is generally used for lifting the pipeline in the disassembly process, and the distance between the bottom end of the current pipeline and the lower support or the pipeline is very short and only about ten centimeters, so that the lifting distance required by the pipeline is often about one hundred centimeters for effective construction space.

However, the lifting height of the current jack with the initial height of about ten centimeters often cannot reach one hundred centimeters, so in order to meet the lifting height required by the pipeline, a bracket needs to be additionally arranged in the middle of lifting of the jack, so that the pipeline needs to be temporarily supported by using an additional bracket, then the initial jack is lowered, then the pipeline is continuously lifted by additionally arranging a jack, and the process is complicated.

Based on this, the inventor of the present application proposes a pipeline lifting mechanism, so as to solve the above technical problems.

Disclosure of Invention

The utility model aims to overcome the defect of complicated pipeline lifting process in the prior art and provides a pipeline lifting mechanism.

The utility model solves the technical problems by the following technical proposal:

the utility model provides a pipeline lifting mechanism, which is characterized by comprising:

the pipeline clamp is sleeved outside the target pipeline;

the first lifting mechanism is provided with a first lifting end, the first lifting end is connected with the pipeline clamp, and the first lifting mechanism is used for lifting the target pipeline to a first distance;

the second lifting mechanism is provided with a second lifting end, the second lifting end is connected with the pipeline clamp, and the second lifting mechanism is used for lifting the target pipeline to a second distance on the basis of the first distance; wherein,

the first distance is at least greater than the vertical distance of the second lifting mechanism in the contracted state.

According to one embodiment of the utility model, the pipeline clamp comprises a first bracket and a second bracket, wherein the first bracket is sleeved above a target pipeline, and the second bracket is sleeved below the target pipeline and is connected with the first bracket through a connecting piece;

the first lifting mechanism comprises at least two lifting units, and the two lifting units are respectively abutted with two opposite end parts of the second bracket.

According to one embodiment of the utility model, two opposite end parts of one side of the second bracket, which is away from the first bracket, are provided with clamping grooves;

the lifting end of the lifting unit is abutted to the clamping groove and connected with the second bracket.

According to one embodiment of the utility model, the connecting member is a screw, and the first bracket and the second bracket are detachably connected by the screw.

According to one embodiment of the utility model, the pipe lifting mechanism further comprises a base, the first lifting mechanism being mounted to the base;

the second lifting mechanism is detachably connected with the base.

According to one embodiment of the utility model, the second lifting mechanism comprises at least two lifting units;

and an installation space is formed between the two lifting units, and the two lifting units are positioned in the installation space.

According to one embodiment of the utility model, the top of the lifting unit is detachably connected with the pipe clamp through a limiting piece.

According to one embodiment of the utility model, the bottom of the pipeline clamp is provided with a limiting groove, and the pipeline clamp is also provided with a limiting hole communicated with the limiting groove;

the second lifting end of the second lifting mechanism is provided with a positioning hole; the second lifting end is inserted in the limiting groove so that the limiting hole corresponds to the positioning hole, and the limiting piece sequentially penetrates through the positioning hole and the limiting hole to connect the second lifting mechanism with the pipeline clamp.

According to one embodiment of the utility model, the stop is a stop bolt.

According to one embodiment of the utility model, the lifting unit and the lifting unit are both hydraulic cylinders.

The utility model has the positive progress effects that:

the pipeline lifting mechanism is provided with a first lifting mechanism and a second lifting mechanism, wherein the first lifting mechanism is used as an initial lifting mechanism, a target pipeline can be lifted to a first distance, and the first lifting mechanism is used as a pre-supporting mechanism after the placement requirement of the second lifting mechanism is met. And then the target pipeline is lifted to a second distance by using the second lifting mechanism, so that the requirement of the final lifting distance of the target pipeline is met, and a bracket is not required to be additionally arranged through complicated steps, so that quick transition and synchronous lifting can be realized between two lifting steps. The lifting efficiency of the target pipeline is improved, the maintenance efficiency of the target pipeline is improved, and the maintenance difficulty of the target pipeline is reduced.

Drawings

The above and other features, properties and advantages of the present utility model will become more apparent from the following description in conjunction with the accompanying drawings and embodiments, in which:

FIG. 1 is a construction view of a pipe lifting mechanism of the present utility model;

fig. 2 is a schematic structural view of a second bracket in the pipe lifting mechanism of the present utility model.

10. A pipe clamp; 110. a first bracket; 120. a second bracket; 121. a clamping groove; 130. a connecting piece; 140. a limit groove; 150. a limiting hole;

20. a target pipeline;

30. a first lifting mechanism; 310. a first lifting end; 320. a lifting unit; 330. an installation space;

40. a second lifting mechanism; 410. a second lifting end; 420. a lifting unit; 430. a limiting piece; 440. positioning holes;

50. and (5) a base.

Detailed Description

In order to make the above objects, features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below.

Embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Furthermore, although terms used in the present utility model are selected from publicly known and commonly used terms, some terms mentioned in the present specification may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Furthermore, it is required that the present utility model is understood, not simply by the actual terms used but by the meaning of each term lying within.

Referring to fig. 1 and 2, the present utility model provides a pipe lifting mechanism, which includes a pipe clamp 10, a first lifting mechanism 30 and a second lifting mechanism 40, wherein the pipe clamp 10 is sleeved outside a target pipe 20. In order to improve the stability of lifting the target pipeline 20, the cross-section of the target pipeline 20 along the axis thereof is cylindrical, so in order to improve the supporting force of the lifting mechanism on the target pipeline 20, the pipeline clamp 10 is generally arranged at the outer side of the target pipeline 20, and the lifting mechanism of the target pipeline 20 is connected with the clamp to push the clamp through abutting so as to drive the lifting of the target pipeline 20.

The first lifting mechanism 30 has a first lifting end 310, the first lifting end 310 being connected to the pipe clamp 10, the first lifting mechanism 30 being adapted to lift the target pipe 20 to a first distance. The first elevating mechanism 30 is a basic elevating mechanism for elevating the target pipe 20 a certain distance and then facilitating the placement of the second elevating mechanism 40.

The second lifting mechanism 40 has a second lifting end 410, the second lifting end 410 being connected to the pipe clamp 10, the second lifting mechanism 40 being adapted to lift the target pipe 20 to a second distance on the basis of the first distance. Wherein the first distance is at least greater than the vertical distance of the second lift mechanism 40 in the contracted state.

That is, for the second elevating mechanism 40 elevating over a long distance, the height of its own structure is at least greater than the distance of the target pipe 20 from the ground or pipe below, so it is necessary to first elevate the target pipe 20 to a first distance using the first elevating mechanism 30, and then install and place the second elevating mechanism 40 to secondarily elevate the target pipe 20 until the height requirement for maintenance of the target pipe 20 is satisfied.

In one embodiment, the pipe clamp 10 includes a first bracket 110 and a second bracket 120, the first bracket 110 is sleeved above the target pipe 20, and the second bracket 120 is sleeved below the target pipe 20 and connected to the first bracket 110 through a connecting piece 130. The first lifting mechanism 30 includes at least two lifting units 320, and the two lifting units 320 are respectively abutted against opposite ends of the second bracket 120.

In lifting the target duct 20, the target duct 20 is defined using the first and second brackets 110 and 120, and then the target duct 20 is lifted to a first distance using the first lifting mechanism 30.

The first elevating mechanism 30 includes at least two elevating units 320, which facilitates the improvement of the stability of the lifting of the target piping 20. It should be noted that, a plurality of pipe lifting mechanisms may be disposed along the axial direction of the target pipe 20 to achieve synchronous lifting, so as to meet the lifting power requirement of the pipe with a longer length.

In one embodiment, opposite ends of the second bracket 120 facing away from the first bracket 110 are provided with clamping grooves 121. The lifting end of the lifting unit 320 is abutted into the clamping groove 121 and connected with the second bracket 120.

The clamping groove 121 is convenient to position and clamp the lifting unit 320 to prevent the target pipeline 20 from being separated from the pipeline clamp 10 in the lifting process, and the lifting stability of the target pipeline 20 is improved by improving the connection stability of the lifting unit 320 and the second bracket 120.

In one embodiment, the connecting member 130 is a screw, and the first bracket 110 and the second bracket 120 are detachably connected through the screw, and when the connecting member 130 is a screw, holes formed in the first bracket 110 and the second bracket 120 are threaded holes.

In some other embodiments, the first bracket 110 and the second bracket 120 may also be coupled by a snap fit or a bolt, etc., without limitation.

In one embodiment, the pipe lifting mechanism further includes a base 50, and the first lifting mechanism 30 is mounted to the base 50. The second lifting mechanism 40 is detachably connected with the base 50, and the base 50 is used for supporting the first lifting mechanism 30 and the second lifting mechanism 40.

In the initial state, the first lifting mechanism 30 is disposed on the base 50, so that the target pipeline 20 is conveniently lifted for the first time. Then, after the lifted distance meets the placement requirement of the second lifting mechanism 40, the second lifting mechanism 40 is connected with the base 50, and then the second lifting mechanism 40 is used for lifting for the second time, so that the final lifted distance of the target pipeline 20 is realized.

In one embodiment, the second elevating mechanism 40 includes at least two elevating units 420; an installation space 330 is formed between the two elevating units 320, and the two elevating units 420 are located in the installation space 330.

Two lifting units 420 may be provided at opposite sides of the target duct 20 to improve lifting stability of the target duct 20. In some other embodiments, four, six, etc. lifting units 420 may be provided, and the number thereof may be selectively adjusted according to actual needs, which are all within the scope of protection of the present application, and are not limited herein.

In one embodiment, the top of the lifting unit 420 is detachably connected to the pipe clamp 10 by a stopper 430.

Specifically, the bottom of the pipe clamp 10 is provided with a limit groove 140, and the pipe clamp 10 is also provided with a limit hole 150 communicated with the limit groove 140; the second lifting end 410 of the second lifting mechanism 40 is provided with a positioning hole 440. The second lifting end 410 is inserted into the limiting groove 140 so that the limiting hole 150 corresponds to the positioning hole 440, and the limiting member 430 sequentially penetrates through the positioning hole 440 and the limiting hole 150 to connect the second lifting mechanism 40 with the pipe clamp 10.

Specifically, each lifting unit 420 corresponds to a limiting member 430, when the second lifting mechanism 40 and the pipe clamp 10 are installed, the second lifting end 410 of the second lifting mechanism 40 is clamped into the limiting groove 140, the limiting hole 150 corresponds to the positioning hole 440, and then the second lifting mechanism 40 and the pipe clamp 10 are connected by using the limiting member 430.

In one embodiment, the axial direction of the locating hole 440 and the limiting hole 150 is coincident with the axial direction of the target conduit 20. The limiting piece 430 is a limiting bolt, and the limiting hole 150 and the positioning hole 440 are sequentially penetrated through by the limiting bolt so as to connect the second lifting mechanism 40 and the pipeline clamp 10, so that the connection mode is simple, and the disassembly is convenient.

In one embodiment, both lifting unit 320 and lifting unit 420 are hydraulic cylinders.

In some other embodiments, the lifting unit 320 and the lifting unit 420 may also be linear driving mechanisms, such as linear motors, etc., which are not limited herein.

In summary, the pipe lifting mechanism of the present utility model includes the first lifting mechanism 30 and the second lifting mechanism 40, where the first lifting mechanism 30 is used as an initial lifting mechanism, so that the target pipe 20 can be lifted to a first distance, after the placement requirement of the second lifting mechanism 40 is met, the first lifting mechanism 30 is used as a pre-supporting mechanism, and then the second lifting mechanism 40 is used to lift the target pipe 20 to a second distance, so as to meet the requirement of the final lifting distance of the target pipe 20, and complicated steps are not required to add a bracket, so that the two lifting steps can be quickly transited, synchronous lifting can be performed, the lifting efficiency of the target pipe 20 can be improved, the maintenance efficiency of the target pipe 20 can be improved, and the maintenance difficulty of the target pipe 20 can be reduced.

This application uses specific words to describe embodiments of the application. Reference to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic is associated with at least one embodiment of the present application. Thus, it should be emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various positions in this specification are not necessarily referring to the same embodiment. Furthermore, certain features, structures, or characteristics of one or more embodiments of the present application may be combined as suitable.

While the utility model has been described in terms of preferred embodiments, it is not intended to be limiting, but rather to the utility model, as will occur to those skilled in the art, without departing from the spirit and scope of the utility model. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model fall within the protection scope defined by the claims of the present utility model.

Claims

1. A pipe lifting mechanism, comprising:

the pipeline clamp is sleeved outside the target pipeline;

2. The pipe lifting mechanism according to claim 1, wherein the pipe clamp comprises a first bracket and a second bracket, the first bracket is sleeved above the target pipe, and the second bracket is sleeved below the target pipe and is connected with the first bracket through a connecting piece;

3. The pipe lifting mechanism of claim 2, wherein opposite ends of a side of the second bracket facing away from the first bracket are provided with clamping grooves;

4. A pipe lifting mechanism according to claim 3, wherein the connector is a screw, and the first bracket and the second bracket are detachably connected by the screw.

5. The pipe lifting mechanism of claim 2, further comprising a base, the first lifting mechanism being mounted to the base;

the second lifting mechanism is detachably connected with the base.

6. The pipe lifting mechanism of claim 5, wherein the second lifting mechanism comprises at least two lifting units;

7. The pipe lifting mechanism of claim 6, wherein the lifting unit top is detachably connected to the pipe clamp by a stop.

8. The pipe lifting mechanism of claim 7, wherein a limit groove is formed in the bottom of the pipe clamp, and a limit hole communicated with the limit groove is formed in the pipe clamp;

9. The pipe lifting mechanism of claim 8, wherein the stop is a stop bolt.

10. The pipe lifting mechanism of claim 6, wherein the lifting unit and the lifting unit are both hydraulic cylinders.