CN110848462A

CN110848462A - Clamp formula elastic support device

Info

Publication number: CN110848462A
Application number: CN201911073663.5A
Authority: CN
Inventors: 吴承国; 陈伟林
Original assignee: CSSC Huangpu Wenchong Shipbuilding Co Ltd
Current assignee: CSSC Huangpu Wenchong Shipbuilding Co Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-02-28

Abstract

The invention discloses a clamp type elastic supporting device which specifically comprises a clamp, a telescopic rod and an angle steel seat, wherein the clamp is fixedly connected with the telescopic rod; the end, far away from the clamp connection, of the telescopic rod is connected with an elastic supporting structure, the elastic supporting structure is assembled on an elastic supporting block shell on the telescopic rod, a fixed cover plate for stopping the displacement of an elastic element is arranged at the end part of the telescopic rod, the telescopic rod in the elastic supporting block shell is sleeved with the elastic element, the clamp is detachably connected to form a first clamp ring, a second clamp ring and a third clamp ring which are annular, and the angle steel seat is connected with the elastic supporting block shell on the telescopic rod and welded on a ship body structure. The invention provides a clamp type elastic support which is used for fastening a pipeline for conveying a heat source medium by a ship and compensating displacement of a pipe section caused by expansion with heat and contraction with cold, and has the effects of flexible and convenient installation, vibration isolation and noise reduction.

Description

Clamp formula elastic support device

Technical Field

The invention relates to the technical field of ships, in particular to a clamp type elastic supporting device.

Background

The ship pipeline is an essential part used in the ship structure construction process, and the pipeline can shake and vibrate in equipment operation and ship navigation, so that the pipeline needs to be fixed by the clamp piece, and pipeline damage caused by pipeline movement, bending and the like is avoided. In order to avoid vibration and vibration during equipment operation and ship navigation, loosening of pipeline connectors and vibration noise, pipe supports (supports) are required for stabilization and vibration isolation. In addition, for pipelines for conveying heat source media, such as a smoke exhaust pipe and a steam pipe, in addition to the need of fastening, compensation of pipe section displacement caused by expansion with heat and contraction with cold needs to be considered. In the prior art, a pipeline support for conveying a heat source medium generally adopts a telescopic support, and a support point of the telescopic support is directly welded on the outer surface of the pipeline or a welding pad plate is added, so that the problem of damage of a coating on the outer surface of a wall caused by welding a high-temperature pipe exists in the arrangement mode, and the quality of an original coating cannot be achieved even if the high-temperature pipe is subjected to field coating repair; in addition, after the welding and fixing, the position can not be adjusted, so that the situation that the interface between the pipe sections is not sealed and smoke and gas are leaked after the ship runs for a period of time due to stress existing in the vibration of the ship can occur, and even the outlet end of the heat source body, such as an expansion joint of an engine outlet, is damaged.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the clamp type elastic supporting device which can effectively compensate the displacement of the heat source medium pipe, eliminate concentrated stress, maintain the coating on the outer surface of the pipe and is convenient to process and install on the basis of flexibly adjusting the supporting length.

In order to achieve the purpose, the invention provides a clamp type elastic supporting device, which comprises a clamp, a telescopic rod and an angle steel seat, wherein the clamp is arranged on the telescopic rod;

the telescopic link is characterized in that one end, far away from the clamp, of the telescopic link is connected with an elastic supporting structure, the elastic supporting structure is assembled on a shell of an elastic supporting block on the telescopic link, a fixed cover plate is arranged at the end part of the telescopic link, an elastic element is sleeved on the telescopic link in the shell of the elastic supporting block, the angle steel seat is connected with the shell of the elastic supporting block on the telescopic link, and the angle steel seat is welded on a ship body structure.

As preferred scheme, the clamp is including dismantling to connect and form annular first clamp ring, second clamp ring and third clamp ring, the telescopic link has two, is first telescopic link and second telescopic link respectively, all fixed being equipped with the journal stirrup on first clamp ring and the second clamp ring, the one end bolt and nut of first telescopic link is connected on the journal stirrup of first clamp ring, second telescopic link bolt and nut is connected on the journal stirrup of second clamp ring.

Preferably, the first clamp ring and the second clamp ring are the same in structure, and both the sections of the first clamp ring and the second clamp ring are 1/4 circular arcs; the section of the third clamp ring is 1/2 circular arcs, and the first clamp ring and the second clamp ring are made of steel materials processed by galvanization.

Preferably, the first clamp ring, the second clamp ring and the third clamp ring are adjustably fixed by bolts.

Preferably, the elastic element is rubber or a spring.

Preferably, the telescopic rod comprises an upper end pipe, a lower end pipe and a pull rod steel core, wherein one end of the lower end pipe is connected with the clamp bolt nut, the other end of the lower end pipe is sleeved with one end of the pull rod steel core in a threaded manner, the upper end pipe is sleeved with the other end of the pull rod steel core in a threaded manner, and the elastic element is arranged on the upper end pipe.

As an optimal scheme, left-handed external threads and right-handed external threads are adopted at two ends of the pull rod steel core respectively for tapping, the pull rod steel core is connected with the upper end pipe and the lower end pipe through threads, and the length of the telescopic rod can be adjusted by rotating clockwise and anticlockwise.

Preferably, the elastic supporting block shell is assembled on an upper end pipe, the top of the upper end pipe is connected with a fixing nut, and one end of the elastic element is attached to the fixing cover plate.

Preferably, the other end of the elastic element is fixed to the lower end of the elastic support block housing.

Preferably, the fixed pipe section mode is a clamping hoop mode, so that damage to the coating caused by welding on the outer surface of the pipe is avoided.

Compared with the prior art, the clamp type elastic supporting device has the beneficial effects that:

the clamp of the clamp type elastic supporting device is used for fixing a pipeline, the position of the clamp can be adjusted by using the telescopic rod, the supporting position of a pipe to be fastened is flexibly selected, and the welding point of a hull structure is conveniently selected; the shell of the elastic supporting structure is connected with the ship body, the elastic element is stopped from moving by the fixed cover plate, and meanwhile, two ends of the elastic element are respectively connected and stopped at the lower end inside the shell of the elastic supporting block and the upper end of the telescopic rod, so that when the ship body vibrates, the vibration of the ship body is transmitted to the shell of the elastic supporting block through the connection of the shell of the elastic supporting block and the ship body, then the shell of the elastic supporting block upwards compresses the elastic element when sliding upwards along the telescopic rod, or the elastic element is stretched when the shell of the elastic supporting block downwards slides, so that the clamp type elastic supporting device can dissipate energy and damp through the elastic element when receiving the vibration caused by a ship, the acting force is prevented from being transmitted to a pipeline in a clamp through the telescopic rod, the; when the pipeline expend with heat and contract with cold, the expansion volume of pipeline expend with heat and contract with cold can transmit to the telescopic link on, then the telescopic link is compressed and is driven elastic element compression or extension, offsets the pipeline section displacement that the pipeline expend with heat and contract with cold brought. The clamp type elastic supporting device has the function of compensating displacement of the pipe section caused by expansion with heat and contraction with cold on the basis of flexibly adjusting the supporting length.

Drawings

FIG. 1 is a schematic structural view of a clamp-type elastic support device according to the present invention;

FIG. 2 is a schematic structural view of an elastic support structure of the elastic support device of the present invention;

FIG. 3 is a schematic view of the structure of the retractable rod of the elastic support device of the present invention

FIG. 4 is a schematic structural view of a third clamp section of the clamp type elastic support device of the present invention;

fig. 5 is a schematic top view of fig. 4.

Wherein: 1. clamping a hoop; 11. a first clamp ring; 12. a second clamp ring; 13. a third clamp ring; 2. a telescopic rod; 21. an upper end pipe; 22. a lower end tube; 23. a pull rod steel core; 3. an elastic support structure; 31. a housing; 4. an elastic element; 5. fixing a nut; 6. an angle steel base; 7. fixing the cover plate; 8. and (4) a hand grip.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The preferred embodiment of the clamp type elastic supporting device comprises a clamp 1, a telescopic rod 2 and an elastic supporting structure 3, wherein the clamp 1 is used for fixing and connecting pipelines, the telescopic rod 2 is connected to the clamp 1 through bolts and nuts and used for adjusting the position of the clamp 1, the elastic supporting structure 3 is connected to the telescopic rod 2, and meanwhile, the elastic supporting structure 3 is used for being connected with a ship; specifically, the one end and the clamp 1 bolt and nut of telescopic link 2 are connected, and elastic support structure connects the other end at the telescopic link.

The elastic support structure 3 is assembled on an elastic support block shell 31 of the telescopic rod 2, a gap is reserved between the elastic support block shell 31 and the telescopic rod 2, an elastic element 4 is sleeved on the telescopic rod 2 in the elastic support block shell 31, namely the elastic element 4 is sleeved in the gap, one end of the elastic element 4 is fixed on the inner wall of the lower end part in the shell 31, the other end of the elastic element 4 is attached to a fixed cover plate 7 on the telescopic rod 2, a fixing nut 5 is installed at one end, far away from the clamp 1, of the telescopic rod 2, and the fixed cover plate 7 is used for stopping the displacement of the elastic element 4. Therefore, the position of the hoop 1 can be adjusted by using the telescopic rod 2, and the supporting position of the pipe to be fastened is flexibly selected; an elastic supporting block shell 31 of the elastic supporting structure 3 is connected with a ship body, specifically, an angle steel seat 6 is welded outside the shell 31, and the angle steel seat 6 is welded and fixed with the ship; the fixed cover plate 7 is used for stopping the displacement of the elastic element 4 towards the end part of the telescopic rod 2, so that when the ship body vibrates, the vibration of the ship body is transmitted to the elastic supporting block shell 31 through the connection of the elastic supporting block shell 31 and the ship body, then the elastic supporting block shell 31 upwards compresses the elastic element 4 when sliding upwards along the telescopic rod 2, or the elastic element 4 is stretched when the elastic supporting block shell 31 slides downwards, so that the clamp type elastic supporting device can dissipate energy and absorb shock through the elastic element 4 when receiving the vibration caused by the ship, the acting force is prevented from being directly transmitted to a pipeline in the clamp 1 through the telescopic rod 2, the buffer effect is achieved, and the damage of the ship vibration to the pipeline is avoided; when the pipeline expend with heat and contract with cold, the expansion volume of pipeline expend with heat and contract with cold can transmit to telescopic link 2 on, then telescopic link 2 is compressed or is tensile by the drive elastic component 4, offsets the pipeline section displacement that the pipeline expend with heat and contract with cold brought.

The fixed cover plate 7 in this embodiment is specifically an iron sheet with an inner opening, a thread is processed outside the telescopic rod 2, and the fixed nut 5 is installed on the thread outside the telescopic rod 2.

The fixing nut 5 is fixedly connected with the telescopic rod 2, and is specifically in threaded connection. Thus, one end of the elastic element 4 is attached to the fixed cover plate 7, and when the elastic supporting block shell 31 is vibrated by a ship, the stress of the elastic supporting block shell 31 is transferred to the elastic element.

Wherein, clamp 1 is used for fixed pipeline including dismantling the first clamp ring 11, second clamp ring 12 and the third clamp ring 13 that the connection forms annular, and annular clamp 1 avoids among the prior art to carry out the fixed pipeline of operation of welding and causes the structural damage through with pipe wall or equipment surface. The first clamp ring 11, the second clamp ring 12 and the third clamp ring 13 are adjustably fixed by bolts, the first clamp ring 11, the second clamp ring 12 and the third clamp ring 13 are of arc plate-shaped structures, the end parts of the first clamp ring, the second clamp ring and the third clamp ring are integrally formed to form a connecting plate protruding out of the outside, and the two adjacent clamp rings are fixedly connected by machining through holes in the connecting plate and adjusting the bolts. The first clamp ring 11 and the second clamp ring 12 have the same structure, and the cross sections of the first clamp ring and the second clamp ring are both 1/4 circular arcs; the third clamp ring 13 has a cross section of 1/2 circular arcs, so that the first, second and

third clamp rings

11, 12 and 13 fitted together can form a circular ring structure matching the outer surface of the pipeline.

It should be noted that, in other embodiments, the shape of the clamp 1 may also be provided with a square structure or a regular structure such as a triangle or other irregular structures according to the requirement of the external shape of the pipeline, and each clamp ring constituting the clamp is sequentially installed in a matching manner to form a square shape, taking the requirement of the pipeline with a square structure as an example.

The two telescopic rods 2 are respectively a first telescopic rod and a second telescopic rod, the first telescopic rod and the second telescopic rod are identical in structure, and the first telescopic rod is connected with the annular hoop 1 in a rotating mode through bolts and nuts along the diameter direction of the annular hoop; the second telescopic rods are connected by rotating bolts and nuts along the diameter direction of the annular hoop, so that the two telescopic rods 2 can rotate along the axial direction of the annular hoop 1 and are used for adjusting the position of the hoop 1; and the extending direction of two telescopic links 2 is 45 degrees contained angles, all is connected with elastic support structure 3 on each telescopic link 2, can make the pipeline location stable when fixed with the clamp formula device of this application, and the atress is balanced, improves the steadiness of pipeline. Specific telescopic link 2 and clamp 1 be connected: the first clamp ring 11 and the second clamp ring 12 are fixedly provided with support lugs, the first telescopic rod and the second telescopic rod are fixedly provided with grippers 8, and the grippers 8 are rotatably connected with the support lugs through bolts.

Wherein, in this application, telescopic link 2 specifically includes upper end pipe 21, lower extreme pipe 22 and pull rod steel core 23, and lower extreme pipe 22's one end and 1 bolt and nut of clamp are connected, and lower extreme pipe 22's the other one end and the one end screw thread suit of pull rod steel core 23, the 21 screw thread suit of upper end pipe is in the other one end of pull rod steel core 23, and elastic telescopic structure 3 sets up on upper end pipe 21, and is specific, and elastic telescopic structure 3's casing 31 suit is outside at upper end pipe 21. The pull rod steel core 23 can clamp the flat body position of the middle plane of the pull rod steel core 23 through tiger head clamp tools according to the field installation requirements, the pull rod steel core 23 is rotated clockwise, and the length of the telescopic rod 2 is adjusted.

In the embodiment of the invention, the angle steel seat 6 is L100 ＊ 100 ＊ 100, the pull rod steel core 23 is left-right-handed stud bolt M10 ＊ 250 and is specially processed, a 20 ＊ 6 symmetrical plane is milled at the middle position of the bolt, M10 tapping is carried out on the upper end pipe 21 and the lower end pipe 22 through seamless steel pipes with the diameter of phi 14 ＊ 3, the elastic supporting block shell 31 on the telescopic rod 2 is made of steel materials, the arc lining plate is bent through a t4 steel plate, and the connecting hand grip 8 is connected with the first clamp ring 11 and the second clamp ring 12 through M8 bolts and nuts.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A clamp type elastic supporting device is characterized by comprising a clamp, a telescopic rod and an angle steel seat;

2. The clamp type elastic supporting device according to claim 1, wherein the clamp comprises a first clamp ring, a second clamp ring and a third clamp ring which are detachably connected to form a ring, the number of the telescopic rods is two, the first telescopic rod and the second telescopic rod are respectively provided, a support lug is fixedly arranged on each of the first clamp ring and the second clamp ring, one end of the first telescopic rod is connected to the support lug of the first clamp ring through a bolt and nut, and the second telescopic rod is connected to the support lug of the second clamp ring through a bolt and nut.

3. The clamp-type elastic support device according to claim 2, wherein the first clamp ring and the second clamp ring are identical in structure and have a cross section of 1/4 circular arcs; the section of the third clamp ring is 1/2 circular arcs, and the first clamp ring and the second clamp ring are made of steel materials processed by galvanization.

4. The elastic band-type support device according to claim 2, wherein the first band-type ring, the second band-type ring and the third band-type ring are adjustably fixed to each other by bolts.

5. The elastic support device of claim 1, wherein the elastic member is rubber or a spring.

6. The clamp type elastic supporting device according to claim 1, wherein the telescopic rod comprises an upper end tube, a lower end tube and a pull rod steel core, one end of the lower end tube is connected with the clamp bolt nut, the other end of the lower end tube is in threaded fit with one end of the pull rod steel core, the upper end tube is in threaded fit with the other end of the pull rod steel core, and the elastic element is arranged on the upper end tube.

7. The clamp type elastic supporting device according to claim 6, wherein the pull rod steel core is connected with the upper end pipe and the lower end pipe through threads, and the length of the telescopic rod can be adjusted by rotating clockwise and counterclockwise.

8. The elastic support device of claim 6, wherein the elastic support block housing is assembled on an upper pipe, a fixing nut is connected to the top of the upper pipe, and one end of the elastic element is attached to the fixing cover plate.

9. The elastic clip support apparatus of claim 6, wherein the other end of the elastic member is fixed to a lower end portion of the elastic support block housing.

10. A resilient support means in the form of a clamp as claimed in any one of claims 1 to 9 wherein the fixed tube section is in the form of a clamp to avoid damage to the coating by welding to the outer surface of the tube.