CN202937883U

CN202937883U - Suspension device, ballasting device including suspension devices and pipe laying tensioner including ballasting devices

Info

Publication number: CN202937883U
Application number: CN201220665610XU
Authority: CN
Inventors: 陈栋
Original assignee: SHANGHAI IHC HYTOP HYDRAULIC TECHNOLOGY Co Ltd
Current assignee: SHANGHAI IHC HYTOP HYDRAULIC TECHNOLOGY Co Ltd
Priority date: 2012-12-05
Filing date: 2012-12-05
Publication date: 2013-05-15
Anticipated expiration: 2022-12-05

Abstract

The utility model provides a suspension device, a ballasting device including the suspension devices, and a pipe laying tensioner including the ballasting devices. The suspension device comprises an oil cylinder, a supporting wheel mechanism, a supporting seat, and a connecting piece, wherein one end of the oil cylinder is connected with one end of the supporting seat in a rotating mode, the other end of the oil cylinder and the other end of the supporting seat are respectively and correspondingly connected with two ends of the connecting piece in a rotating mode, and the supporting wheel mechanism is connected to the middle portion of the connecting piece in a rotating mode. The utility model further provides the ballasting device. The ballasting device comprises a plurality of suspension devices. The utility model further provides the pipe laying tensioner. The pipe laying tensioner comprises a plurality of ballasting deices. A suspension oil cylinder and a hinge mechanism are adopted in the suspension device, stress evenness of each supporting wheel is guaranteed, and requirements to manufacture precision of the ballasting device structure are reduced.

Description

Suspension arrangement and comprise its ballast device and pipe laying tensioner

Technical field

The utility model relates to a kind of suspension arrangement, particularly a kind of suspension arrangement and comprise its ballast device and pipe laying tensioner.

Background technique

Pipe laying tensioner is to be applied to the equipment that offshore pipeline is laid operation, and it comprises frame, is connected to the ballast device that matches that is used for clamping tube on frame and drives the ballast device along the hydraulic clamp of machine frame movement with the compression pipe.Each ballast device comprises crawler belt, drive Idle wheel, main beam structure and the support crawler belt of the driving sprocket wheel of crawler belt, tensioning chain rail and transmit the suspension arrangement etc. of impacting force.

Existing pipe laying tensioner relies on the machining accuracy of structure to guarantee that each track roller is stressed evenly usually, but can and install machining like this and propose higher required precision, also lack certain flexibility, be difficult to when caliber changes guarantee again that each track roller is stressed evenly, cause the part track roller easily to damage.The multistage supporting wheel structure of employing is also arranged, such as hinged upper secondary facility again in one-level track roller mechanism, can increase certain flexibility like this, but correspondingly also increase the size of ballast device along the ballast direction, can reduce crawler belt to the coating of driving sprocket wheel, reduce the stationarity of crawler-tread.What is more, because the discontinuity of worrying track roller can be destroyed track roller, and passes through to increase the method for track roller quantity to increase safe clearance.

Existing pipe laying tensioner also has the mounting mechanism of employing to guarantee that each track roller is stressed uniformly, but oil cylinder is all to arrange along ballast device ballast direction.The shortcoming of doing like this is, cylinder force is larger, causes the ballast device larger along the size of ballast direction, makes the number of teeth of the driving sprocket wheel that crawler belt coats less, also just reduced the stationarity of crawler-tread.

The model utility content

The technical problems to be solved in the utility model be for overcome in prior art without the pipe laying tensioner of suspension arrangement to machining accuracy require height, the defective such as pipe laying tensioner that suspension arrangement arranged is large along the size of ballast direction, crawler-tread is not steady, provide a kind of along the less suspension arrangement of ballast direction size, and comprise its ballast device and pipe laying tensioner.

The utility model is to solve above-mentioned technical problem by following technical proposals:

A kind of suspension arrangement, it comprises an oil cylinder, one track roller mechanism, its characteristics are, this suspension arrangement also comprises a bearing and a connection piece, wherein an end of an end of this oil cylinder and this bearing is rotationally connected, and the other end of this oil cylinder and the other end of this bearing correspondingly are rotationally connected with the two ends of this link respectively, and this track roller mechanism is rotationally connected with the middle part of this link.

Preferably, this bearing comprises a fixed base and an inclined arm, and between an end of this inclined arm and this fixed base, for being fixedly connected with or one-body molded, an end of this inclined arm and an end of this oil cylinder are hinged, and an end of the other end of this inclined arm and this link is hinged.

Preferably, this link is a connecting rod, and the other end of this connecting rod and the other end of this oil cylinder are hinged.Like this, oil cylinder, bearing and link just form a triangular structure in twos, this structure when being subject to ballast power, because oil cylinder and ballast direction form certain angle, suffered power less on oil cylinder, suspension arrangement is at the size less of ballast direction.

Preferably, the angle between this oil cylinder and this connecting rod is greater than 30 ° and less than 90 °.According to force analysis, in this angular range, the angle between this oil cylinder and this connecting rod is larger, this oil cylinder stressed less.

Preferably, the middle part of this connecting rod has a hinging hole, and this track roller mechanism is hinged by this hinging hole and this connecting rod.

Preferably, this track roller mechanism includes a track roller wheel carrier and at least one track roller, and described track roller is articulated on this track roller wheel carrier.

Preferably, described track roller is two.Herein, the quantity of described track roller is the preferred version that calculates by to monnolithic case size of track roller diameter, mechanism etc.If described track roller is one, due to mounting mechanism along with the direction size of ballast perpendicular direction greater than single track roller, make ballast device overall length increase.If the quantity of described track roller is more than two, for being taken turns, each stressedly evenly needs to increase the secondary articulated mechanism, and can be larger along the size of ballast direction.Therefore, select that this track roller mechanism of two track rollers both guaranteed track roller stressed evenly, guaranteed again integrally-built rationally.

The utility model also provides a kind of ballast device, and its characteristics are, described ballast device comprises several suspension arrangements as above.

The utility model also provides a kind of pipe laying tensioner, and its characteristics are, described pipe laying tensioner comprises several ballast devices as above.

Positive progressive effect of the present utility model is: the pipe laying tensioner suspension arrangement that the utility model provides is owing to adopting hanging oil cylinder and articulated mechanism, guaranteed that each track roller is stressed evenly, so the requirement to the accuracy of manufacturing of ballast device structure reduces, and solved because worrying to put without the suspension arrangement unbalance stress problem that surplus increases track roller quantity.In addition, when being subject to same ballast power, the suspension arrangement that the utility model provides can make cylinder force less, thereby reduced the volume of oil cylinder, so also just make suspended portion less along the size of ballast direction, crawler belt can be coated on jockey sprocket and driving sprocket wheel more, guarantee the stationarity of crawler haulage.Moreover every cover suspension system is independent, simple in structure separately, is fit to standardized production in batches.

Description of drawings

Fig. 1 is the structural representation of ballast device of the pipe laying tensioner of the utility model preferred embodiment.

Fig. 2 is the layout schematic diagram of suspension arrangement in the ballast device of pipe laying tensioner of the utility model preferred embodiment.

Fig. 3 is the structural representation of suspension arrangement in the utility model preferred embodiment.

Fig. 4 is the explosive view of suspension arrangement in the utility model preferred embodiment.

Fig. 5 is the plan view of suspension arrangement in the utility model preferred embodiment.

Embodiment

The below lifts a preferred embodiment, and comes by reference to the accompanying drawings the clearer the utility model that intactly illustrates.

The utility model provides a kind of suspension arrangement of pipe laying tensioner.At first, simply introduce pipe laying tensioner.Pipe laying tensioner comprises frame, is connected to the ballast device that matches that is used for clamping tube on frame and drives the ballast device along the hydraulic clamp of machine frame movement with the compression pipe.As shown in Figure 1, 2, ballast device 1 comprise crawler belt 11, drive crawler belt driving sprocket wheel 12, tension sprocket Idle wheel 13, main beam structure 14 and support crawler belt and transmit the suspension arrangement 2 etc. of impacting force.

Suspension arrangement 2 is provided with main frame, is provided with a plurality of stiffness springs in the bottom of main frame, and each stiffness spring connects respectively the track roller group, by following crawler belt 11, clamping force is passed to pipe.What the suspension arrangement 2 of existing pipe laying tensioner adopted is to transmit clamping force by the oil cylinder that the ballast direction is arranged, the suspension arrangement 2 of the pipe laying tensioner that the utility model provides the oil cylinder that forms an angle of employing and ballast direction transmits clamping force, and its concrete structure is described in detail as follows:

As shown in Fig. 3-5, a kind of suspension arrangement 2, it comprises an oil cylinder 21, one track roller mechanism 22, one bearing 23 and a connecting rod 24, wherein an end of an end of oil cylinder 21 and bearing 23 is hinged, and the other end of the other end of oil cylinder 21 and bearing 23 is correspondingly hinged with the two ends of connecting rod 24 respectively, and track roller mechanism 22 is articulated in the middle part of connecting rod 24.

Especially, as shown in Figure 5, the angle between oil cylinder 21 and connecting rod 24 is A, and angle A greater than 30 ° less than 90 °.According to force analysis, power Fc represents the active force of 21 pairs of connecting rods 24 of oil cylinder, and power F1 represents the active force of 23 pairs of connecting rods 24 of bearing, and power F represents the active force of 22 pairs of connecting rods 24 of track roller mechanism.Greater than 30 ° during less than 90 °, angle A is larger as angle A, and power Fc is just less.

bearing 23 comprises a fixed base 231 and an inclined arm 232, inclined arm 232 is formed in one with fixed base 231, one end of inclined arm 232 and an end of this oil cylinder 21 are hinged, one end of the other end of inclined arm 232 and connecting rod 24 is hinged, the other end of the other end of connecting rod 24 and oil cylinder 21 is hinged, like this, oil cylinder 21, connecting rod 24, inclined arm 232 on bearing 23 is hinged in twos, form a triangular structure, this structure be subject to from track roller mechanism 22 transmit come up power the time, the actual component (being above-mentioned power Fc) of assigning on oil cylinder 21 is just smaller, also just make the volume of oil cylinder 21 can do smallerly, this structure has also just correspondingly reduced along the size of ballast direction (as shown in the direction of arrow in Fig. 5), the benefit of bringing like this is, crawler belt 11 can be coated on driving sprocket wheel 12 more, make crawler belt 11 transmissions more steady.

Have a hinging hole 241 at the middle part of connecting rod 24, track roller mechanism 22 is hinged with connecting rod 24 by this hinging hole 241.

Track roller mechanism 22 includes a track roller wheel carrier 221 and two track rollers 222, track roller 222 is articulated on this track roller wheel carrier 221, certainly, those skilled in the art are to be understood that, just preferably use two track rollers 222 herein, also can use one or more track rollers 222 according to actual conditions.

During installation, the length of adjusting oil cylinder 21 makes connecting rod 24 be horizontal, and when suspension arrangement 2 real work of this pipe laying tensioner, oil cylinder 21 can shrink to guarantee 22 stressed equating of each track roller mechanism.

Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection domain of the present utility model is limited by appended claims.Those skilled in the art can make various changes or modifications to these mode of executions under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection domain of the present utility model.

Claims

1. suspension arrangement, it comprises an oil cylinder, one track roller mechanism, it is characterized in that, this suspension arrangement also comprises a bearing and a connection piece, wherein an end of an end of this oil cylinder and this bearing is rotationally connected, and the other end of this oil cylinder and the other end of this bearing correspondingly are rotationally connected with the two ends of this link respectively, and this track roller mechanism is rotationally connected with the middle part of this link.

2. suspension arrangement as claimed in claim 1, it is characterized in that, this bearing comprises a fixed base and an inclined arm, between one end of this inclined arm and this fixed base for being fixedly connected with or one-body molded, one end of this inclined arm and an end of this oil cylinder are hinged, and an end of the other end of this inclined arm and this link is hinged.

3. suspension arrangement as claimed in claim 2, is characterized in that, this link is a connecting rod, and the other end of this connecting rod and the other end of this oil cylinder are hinged.

4. suspension arrangement as claimed in claim 3, is characterized in that, the angle between this oil cylinder and this connecting rod is greater than 30 ° and less than 90 °.

5. suspension arrangement as claimed in claim 4, is characterized in that, the middle part of this connecting rod has a hinging hole, and this track roller mechanism is hinged by this hinging hole and this connecting rod.

6. suspension arrangement as claimed in claim 1, is characterized in that, this track roller mechanism includes a track roller wheel carrier and at least one track roller, and described track roller is articulated on this track roller wheel carrier.

7. suspension arrangement as claimed in claim 6, is characterized in that, described track roller is two.

8. a ballast device, is characterized in that, described ballast device comprises that several are as the described suspension arrangement of claim 1-7 any one.

9. a pipe laying tensioner, is characterized in that, described pipe laying tensioner comprises several ballast devices as claimed in claim 8.