Bottom limiting and supporting device for large-diameter pipeline

Abstract

The utility model discloses a bottom limiting and supporting device for a large-diameter pipeline, which relates to the technical field of pipeline supporting devices and comprises a base, a lifting unit arranged in the base and a limiting unit arranged at the top end of the lifting unit. The lifting unit comprises a plurality of first air cylinders arranged in the base, telescopic assemblies arranged at the top ends of the first air cylinders and connecting assemblies arranged on the side faces of the telescopic assemblies. The limiting unit comprises a limiting assembly arranged at the top end of the connecting assembly and a driving assembly arranged on the side face of the limiting assembly. According to the bottom limiting and supporting device for the large-diameter pipeline, the first air cylinders are started at the same time to drive the first telescopic columns to ascend together, then the pipeline at the top end of the connecting base and the vertical columns are driven to ascend together, the lifting stability of the pipeline is improved, pipelines of different specifications can be limited, and the practicability is high. And the rotating motor can be started to provide certain friction force for the pipeline to ascend or descend, so that the convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline support devices, in particular to a bottom limit support device for large-diameter pipelines. Background Art

[0002] A pipeline is a device connected by pipes, pipe connectors, and valves for transporting gases, liquids, or fluids containing solid particles. Pipes have a wide range of uses, primarily in water supply, drainage, heating, gas supply, long-distance oil and natural gas transportation, agricultural irrigation, water conservancy projects, and various industrial installations. Currently, large-diameter pipelines often require support devices during the docking and welding processes.

[0003] After searching, the publication (announcement) number: CN112091523A discloses a bottom limit support device for large-diameter pipes, including a main body, multiple drainage holes are evenly arranged on both sides of the main body, reference blocks are fixed at the ends of the top and the two sides of the main body, screws are engaged on the reference blocks, a groove is provided in the middle of the top of the main body, a slide rail is fixed in the groove, two limit seats are matched on the slide rail, both limit seats are connected to the screw through a first bearing, the top of the limit seat is matched with a limit roller through a shaft and a second bearing, and a layer of rubber pad is fixed on the surface of the limit roller. The present invention is a portable bottom limit support device for large-diameter pipes, mainly used for temporary limit support of large-diameter pipes, with a simple structure, economical processing cost, easy to carry and transport, no wear on the pipe surface, and mainly uses physical means to limit the pipe, no energy consumption, green and environmentally friendly, and has good flexibility and certain versatility.

[0004] Although the above solution mainly uses physical methods to limit the support of the pipeline, it consumes no energy, is green and environmentally friendly, and has good flexibility and certain versatility, but the device is not stable enough when lifting, which easily causes the pipeline to shake, and the restriction effect on pipelines of different specifications is not good enough, and it is not convenient to put in or take out the pipeline. Utility Model Content

[0005] The main purpose of the utility model is to provide a bottom limit support device for large-diameter pipes. By setting a lifting unit, the problem that the device is not stable enough during lifting, which easily causes the pipe to shake, is solved. By setting the limit unit, the problem that the restriction effect on pipes of different specifications is not good enough and the insertion or removal of pipes is not convenient is solved.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A bottom limit support device for a large-diameter pipeline comprises a base, a lifting unit arranged inside the base, and a limit unit arranged at the top of the lifting unit;

[0008] The lifting unit includes a plurality of first cylinders arranged inside the base, a telescopic assembly arranged at the top of the first cylinder, and a connecting assembly arranged at the side of the telescopic assembly;

[0009] The limiting unit includes a limiting component arranged at the top of the connecting component and a driving component arranged at the side of the limiting component.

[0010] Preferably, the telescopic assembly in the lifting unit includes a first telescopic column fixedly connected to the top end of the first cylinder, and a bonding plate fixedly connected to the top ends of the plurality of first telescopic columns.

[0011] Preferably, the connecting assembly in the lifting unit includes a connecting seat fixedly connected to the top of the laminating plate, and a plurality of vertical columns arranged inside the base shell;

[0012] The top end of the vertical column is fixedly connected to the bottom end of the connecting seat.

[0013] Preferably, the limiting assembly in the limiting unit includes vertical plates fixedly connected to both sides of the top of the connecting seat, a plurality of sliding grooves provided on opposite sides of the two vertical plates, elastic columns provided inside the sliding grooves, springs provided on the surfaces of the elastic columns, and two connecting plates provided between the two vertical plates;

[0014] One of the connecting plates is fixedly connected to the two vertical plates, and two sides of the other connecting plate are fixedly connected to a plurality of sliders and a clamping groove opened on one side of the slider.

[0015] Preferably, the limiting assembly in the limiting unit includes a plurality of second cylinders fixedly connected to one side of the vertical plate, and a second telescopic column provided on one side of the second cylinders;

[0016] The second telescopic column is clamped with the clamping groove, and the sliding block is clamped with the corresponding sliding groove. One end of the sliding block is fixedly connected with the corresponding elastic column.

[0017] Preferably, the driving assembly in the limiting unit includes a linkage structure arranged inside the two connecting plates, a rotating motor arranged at a corner of the front side of one of the vertical plates, and a rotating shaft fixedly connected to one end of the rotating motor.

[0018] Preferably, the linkage structure in the limiting unit includes a plurality of driven shafts arranged inside the connecting plate, transmission belts arranged at both ends of the driven shafts, and rollers arranged on the surfaces of the driven shafts;

[0019] The rotating shaft is fixedly connected to one of the driven shafts inside the fixedly connected connecting plate.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. In the present invention, through the setting of the lifting unit, when the device drives the pipeline to rise and fall, multiple first cylinders can be started at the same time to drive multiple first telescopic columns to rise together, thereby driving the bonding plate and the connecting seat to rise together, thereby driving the pipeline to rise together. When the connecting seat rises, it will drive multiple vertical columns to be pulled out from the outer shell of the base, thereby improving the stability of the pipeline lifting.

[0022] 2. In the present invention, by setting the limiting unit, pipes of different specifications can be placed on the connecting seat, and then one of the connecting plates is driven to squeeze the pipe with the help of the elastic force of the elastic column and the spring, so that the two sides of the pipe are respectively fitted with different connecting plates, and then multiple second cylinders are started to drive the second telescopic column to squeeze the slider, thereby squeezing one of the connecting plates, so that the two connecting plates are more tightly fitted with the bottom end of the pipe, so that pipes of different specifications can be limited. The rotating motor can also be started first to drive multiple rollers to rotate, thereby giving the pipe a certain friction force to rise or fall, and then multiple second cylinders are started to limit the pipe, so that it is very convenient to put in or take out the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 It is a cross-sectional view of the base in the present utility model;

[0025] Figure 3 It is a cross-sectional view of two connecting plates in the present invention;

[0026] Figure 4 This is a schematic diagram of the three-dimensional structure of the connecting plate in the present utility model;

[0027] Figure 5 It is a cross-sectional view of the vertical plate and a connecting plate in the utility model.

[0028] In the picture:

[0029] 1. Base;

[0030] 2. Lifting unit; 201. Connecting seat; 202. Vertical column; 203. First cylinder; 204. First telescopic column; 205. Laminating plate;

[0031] 3. Limiting unit; 301. Vertical plate; 302. Rotating motor; 303. Connecting plate; 304. Roller; 305. Slide; 306. Second cylinder; 307. Elastic column; 308. Spring; 309. Transmission belt; 310. Driven shaft; 311. Slider; 312. Snap-in groove; 313. Second telescopic column. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0033] Example 1

[0034] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 as well as Figure 5 As shown, a bottom limit support device for a large-diameter pipe includes a base 1, a lifting unit 2 arranged inside the base 1, and a limit unit 3 arranged at the top of the lifting unit 2;

[0035] The lifting unit 2 includes a plurality of first cylinders 203 disposed inside the base 1, a telescopic assembly disposed at the top of the first cylinder 203, and a connecting assembly disposed on the side of the telescopic assembly;

[0036] The limiting unit 3 includes a limiting component arranged at the top of the connecting component and a driving component arranged at the side of the limiting component.

[0037] The telescopic assembly in the lifting unit 2 includes a first telescopic column 204 fixedly connected to the top end of the first cylinder 203 , and a laminating plate 205 fixedly connected to the top ends of the plurality of first telescopic columns 204 .

[0038] The connection assembly in the lifting unit 2 includes a connection base 201 fixedly connected to the top of the bonding plate 205, and a plurality of vertical columns 202 arranged inside the shell of the base 1;

[0039] The top end of the vertical column 202 is fixedly connected to the bottom end of the connecting base 201 .

[0040] The limiting assembly in the limiting unit 3 includes vertical plates 301 fixedly connected to both sides of the top of the connecting base 201, multiple sliding grooves 305 provided on opposite sides of the two vertical plates 301, elastic columns 307 disposed within the sliding grooves 305, springs 308 disposed on the surfaces of the elastic columns 307, and two connecting plates 303 disposed between the two vertical plates 301;

[0041] One of the connecting plates 303 is fixedly connected to the two vertical plates 301 , and two sides of the other connecting plate 303 are fixedly connected to a plurality of sliders 311 and a snap-fitting slot 312 formed on one side of the slider 311 .

[0042] The limiting assembly in the limiting unit 3 includes a plurality of second cylinders 306 fixedly connected to one side of the vertical plate 301, and a second telescopic column 313 provided on one side of the second cylinders 306;

[0043] The second telescopic column 313 is engaged with the engaging groove 312 , and the sliding block 311 is engaged with the corresponding sliding groove 305 . One end of the sliding block 311 is fixedly connected with the corresponding elastic column 307 .

[0044] The driving assembly in the limiting unit 3 includes a linkage structure arranged inside the two connecting plates 303 , a rotating motor 302 arranged at a front corner of one of the vertical plates 301 , and a rotating shaft fixedly connected to one end of the rotating motor 302 .

[0045] The linkage structure in the limiting unit 3 includes a plurality of driven shafts 310 disposed inside the connecting plate 303, a transmission belt 309 disposed at both ends of the driven shafts 310, and a roller 304 disposed on the surface of the driven shafts 310;

[0046] The rotating shaft is fixedly connected to one of the driven shafts 310 inside the fixedly connected connecting plate 303 .

[0047] When the device drives the pipeline to rise and fall, multiple first cylinders 203 can be started at the same time to drive multiple first telescopic columns 204 to rise together, thereby driving the bonding plate 205 and the connecting seat 201 to rise together, thereby driving the pipeline to rise together. When the connecting seat 201 rises, it will drive multiple vertical columns 202 to be pulled out from the outer shell of the base 1, thereby improving the stability of the pipeline lifting.

[0048] Example 2

[0049] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 as well as Figure 5 As shown, a bottom limit support device for a large-diameter pipe includes a base 1, a lifting unit 2 arranged inside the base 1, and a limit unit 3 arranged at the top of the lifting unit 2;

[0050] The lifting unit 2 includes a plurality of first cylinders 203 disposed inside the base 1, a telescopic assembly disposed at the top of the first cylinder 203, and a connecting assembly disposed on the side of the telescopic assembly;

[0051] The limiting unit 3 includes a limiting component arranged at the top of the connecting component and a driving component arranged at the side of the limiting component.

[0052] The telescopic assembly in the lifting unit 2 includes a first telescopic column 204 fixedly connected to the top end of the first cylinder 203 , and a laminating plate 205 fixedly connected to the top ends of the plurality of first telescopic columns 204 .

[0053] The connection assembly in the lifting unit 2 includes a connection base 201 fixedly connected to the top of the bonding plate 205, and a plurality of vertical columns 202 arranged inside the shell of the base 1;

[0054] The top end of the vertical column 202 is fixedly connected to the bottom end of the connecting base 201 .

[0055] The limiting assembly in the limiting unit 3 includes vertical plates 301 fixedly connected to both sides of the top of the connecting base 201, multiple sliding grooves 305 provided on opposite sides of the two vertical plates 301, elastic columns 307 disposed within the sliding grooves 305, springs 308 disposed on the surfaces of the elastic columns 307, and two connecting plates 303 disposed between the two vertical plates 301;

[0056] One of the connecting plates 303 is fixedly connected to the two vertical plates 301 , and two sides of the other connecting plate 303 are fixedly connected to a plurality of sliders 311 and a snap-fitting slot 312 formed on one side of the slider 311 .

[0057] The limiting assembly in the limiting unit 3 includes a plurality of second cylinders 306 fixedly connected to one side of the vertical plate 301, and a second telescopic column 313 provided on one side of the second cylinders 306;

[0058] The second telescopic column 313 is engaged with the engaging groove 312 , and the sliding block 311 is engaged with the corresponding sliding groove 305 . One end of the sliding block 311 is fixedly connected with the corresponding elastic column 307 .

[0059] The driving assembly in the limiting unit 3 includes a linkage structure arranged inside the two connecting plates 303 , a rotating motor 302 arranged at a front corner of one of the vertical plates 301 , and a rotating shaft fixedly connected to one end of the rotating motor 302 .

[0060] The linkage structure in the limiting unit 3 includes a plurality of driven shafts 310 disposed inside the connecting plate 303, a transmission belt 309 disposed at both ends of the driven shafts 310, and a roller 304 disposed on the surface of the driven shafts 310;

[0061] The rotating shaft is fixedly connected to one of the driven shafts 310 inside the fixedly connected connecting plate 303 .

[0062] Pipes of different specifications can be placed on the connecting seat 201, and then the elastic force of the elastic column 307 and the spring 308 can be used to drive one of the connecting plates 303 to squeeze the pipe, so that the two sides of the pipe are respectively fitted with different connecting plates 303, and then multiple second cylinders 306 are started to drive the second telescopic columns 313 to squeeze the slider 311, thereby squeezing one of the connecting plates 303, so that the two connecting plates 303 are more tightly fitted with the bottom end of the pipe, so that pipes of different specifications can be limited. The rotating motor 302 can also be started first to drive the multiple rollers 304 to rotate, thereby giving the pipe a certain friction force to rise or fall, and then multiple second cylinders 306 are started to limit the pipe, so that it is very convenient to put in or take out the pipe.

[0063] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A bottom limit support device for a large-diameter pipeline, comprising a base (1), characterized in that: It also includes a lifting unit (2) arranged inside the base (1), and a limiting unit (3) arranged at the top end of the lifting unit (2); The lifting unit (2) comprises a plurality of first cylinders (203) arranged inside the base (1), a telescopic assembly arranged at the top of the first cylinder (203), and a connecting assembly arranged on the side of the telescopic assembly; The limiting unit (3) comprises a limiting component arranged at the top end of the connecting component, and a driving component arranged at the side of the limiting component.

2. A bottom limit support device for a large-diameter pipeline according to claim 1, characterized in that: The telescopic assembly in the lifting unit (2) comprises a first telescopic column (204) fixedly connected to the top of a first cylinder (203), and a bonding plate (205) fixedly connected to the tops of a plurality of first telescopic columns (204).

3. The bottom limit support device for a large-diameter pipeline according to claim 2, characterized in that: The connecting assembly in the lifting unit (2) includes a connecting seat (201) fixedly connected to the top of the bonding plate (205), and a plurality of vertical columns (202) arranged inside the shell of the base (1); The top end of the vertical column (202) is fixedly connected to the bottom end of the connecting seat (201).

4. The bottom limit support device for a large-diameter pipeline according to claim 3, characterized in that: The limiting assembly in the limiting unit (3) comprises vertical plates (301) fixedly connected to both sides of the top of the connecting seat (201), a plurality of sliding grooves (305) provided on opposite sides of the two vertical plates (301), elastic columns (307) provided inside the sliding grooves (305), springs (308) provided on the surfaces of the elastic columns (307), and two connecting plates (303) provided between the two vertical plates (301); One of the connecting plates (303) is fixedly connected to the two vertical plates (301), and both sides of the other connecting plate (303) are fixedly connected to a plurality of sliders (311) and a clamping groove (312) provided on one side of the slider (311).

5. The bottom limit support device for a large-diameter pipeline according to claim 4, characterized in that: The limiting assembly in the limiting unit (3) includes a plurality of second cylinders (306) fixedly connected to one side of the vertical plate (301), and a second telescopic column (313) arranged on one side of the second cylinders (306); The second telescopic column (313) is engaged with the engaging groove (312), and the sliding block (311) is engaged with the corresponding sliding groove (305), and one end of the sliding block (311) is fixedly connected with the corresponding elastic column (307).

6. The bottom limit support device for a large-diameter pipeline according to claim 5, characterized in that: The driving assembly in the position-limiting unit (3) comprises a linkage structure arranged inside the two connecting plates (303), a rotating motor (302) arranged at a front corner of one of the vertical plates (301), and a rotating shaft fixedly connected to one end of the rotating motor (302).

7. The bottom limit support device for a large-diameter pipeline according to claim 6, characterized in that: The linkage structure in the limiting unit (3) includes a plurality of driven shafts (310) arranged inside the connecting plate (303), a transmission belt (309) arranged at both ends of the driven shafts (310), and a roller (304) arranged on the surface of the driven shaft (310); The rotating shaft is fixedly connected to one of the driven shafts (310) inside the fixedly connected connecting plate (303).

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