CN218858401U

CN218858401U - Prefabricated rail trolley for submarine pipeline floating towing

Info

Publication number: CN218858401U
Application number: CN202223544410.1U
Authority: CN
Inventors: 陈万军
Original assignee: TIANJIN TIMEAST OFFSHORE ENGINEERING CO LTD
Current assignee: TIANJIN TIMEAST OFFSHORE ENGINEERING CO LTD
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-04-14
Anticipated expiration: 2032-12-27

Abstract

The utility model provides a prefabricated rail trolley of a submarine pipeline floating towing, which comprises a wooden wedge, a skid, a trolley bracket and a travelling wheel device of the rail trolley; a skid is arranged on the trolley bracket; the trolley support comprises a skid limiting angle steel, a walking wheel shaft inner reinforcing plate, H-shaped steel, a walking wheel mounting frame and a walking wheel shaft outer reinforcing plate, a walking wheel shaft connecting hole and the skid limiting angle steel are arranged on the walking wheel mounting frame, the walking wheel shaft inner reinforcing plate and the walking wheel shaft outer reinforcing plate are respectively arranged at two ends of the walking wheel shaft connecting hole, walking wheel mounting frames are respectively arranged at two ends of the H-shaped steel, wood wedges are arranged on the skids, and rail trolley walking wheel devices are arranged on the walking wheel mounting frames. The utility model discloses a bearing capacity is big, and stable in structure reduces dolly construction fault rate, and easy maintenance is dismantled in the installation, reduces manufacturing, cost of maintenance.

Description

Prefabricated rail trolley for submarine pipeline floating towing

Technical Field

The utility model relates to a small rail car technical field, in particular to submarine pipeline floats drags prefabricated small rail car.

Background

The construction process of laying submarine pipeline mainly includes pipe-laying ship method, floating towing method, bottom towing method and off-bottom towing method, and other methods except pipe-laying ship method need to build prefabricated field on land, make marine pipe lengthening, then launch into water and tow to designed route. The traditional method for launching the submarine pipeline into water by lengthening the submarine pipeline generally comprises the steps of lifting the submarine pipeline to travel on a track by using a track trolley, prefabricating and lengthening the submarine pipeline, and launching the submarine pipeline. The existing rail trolley is generally designed by each company, the bearing capacity of the trolley is small, the failure rate during construction is high, the number of used standard parts is small, the maintenance is inconvenient, the manufacturing and maintenance costs are high, and the construction and hoisting are inconvenient.

SUMMERY OF THE UTILITY MODEL

The object of the utility model is to solve at least one of the technical defects.

Therefore, an object of the present invention is to provide a prefabricated rail car with a floating dragging marine vessel to solve the problems mentioned in the background art and overcome the disadvantages existing in the prior art.

In order to realize the aim, the utility model provides a prefabricated rail trolley for dragging the submarine pipeline in a floating way, which comprises a wooden wedge, a skid, a trolley bracket and a travelling wheel device of the rail trolley; a skid is arranged on the trolley bracket; the trolley support comprises a skid limiting angle steel, a walking wheel shaft inner reinforcing plate, H-shaped steel, a walking wheel mounting frame and a walking wheel shaft outer reinforcing plate, a walking wheel shaft connecting hole and the skid limiting angle steel are arranged on the walking wheel mounting frame, the walking wheel shaft inner reinforcing plate and the walking wheel shaft outer reinforcing plate are respectively arranged at two ends of the walking wheel shaft connecting hole, walking wheel mounting frames are respectively arranged at two ends of the H-shaped steel, wood wedges are arranged on the skids, and rail trolley walking wheel devices are arranged on the walking wheel mounting frames.

Preferably, the number of the H-shaped steel and the number of the travelling wheel mounting frames are two, and each travelling wheel mounting frame is provided with two skid limiting angle steels; the bottom of every travelling wheel mounting bracket is equipped with two dolly travelling wheel devices respectively, and the lumber skid is established to two, is equipped with two wood wedges on every lumber skid respectively.

In any of the above schemes, preferably, the trolley hoisting lug plate is arranged on the travelling wheel mounting frame.

In any of the above schemes, preferably, the travelling wheel device of the rail trolley comprises a travelling wheel shaft, an elastic retainer ring, a ball bearing, a middle shaft sleeve, a travelling wheel, a shaft sleeve, a travelling wheel shaft fixing plate and an outer hexagon bolt; the travelling wheel shaft sequentially penetrates through the elastic check ring, the ball bearing, the middle shaft sleeve, the travelling wheel and the shaft sleeve, and the travelling wheel fixing plate is fixed on the outer reinforcing plate of the travelling wheel shaft through the hexagon bolts.

In any of the above aspects, it is preferable that the first shoulder, the second shoulder and the fixing groove are provided on the caster axle.

In any of the above schemes, it is preferable that the travelling wheel is provided with a wheel rim and a wheel spoke, a mounting hole is arranged in the travelling wheel, and an elastic retainer groove is arranged in the mounting hole.

Compared with the prior art, the utility model has the advantages and beneficial effects of do:

1. the utility model discloses a submarine pipeline floats drags prefabricated small rail car, the bearing capacity is big, and stable in structure reduces dolly construction fault rate, and easy maintenance is dismantled in the installation, reduces manufacturing, cost of maintenance.

2. The utility model discloses a prefabricated small rail car is dragged to sea pipe float, small rail car travelling wheel device structure is firm, can bear heavier goods, and is difficult not hard up, draws the goods stable.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a prefabricated rail trolley for marine vessel floating towing according to the embodiment of the utility model.

Fig. 2 is a schematic structural diagram of a trolley bracket in the prefabricated rail trolley for marine vessel floating and towing according to the embodiment of the utility model.

Fig. 3 is a structural schematic explosion diagram of a trolley travelling wheel device in a prefabricated trolley for marine vessel floating towing according to the embodiment of the utility model.

Fig. 4 is a schematic structural view of the travelling wheel axle shown in fig. 3 of the marine vessel floating-towing prefabricated rail car according to the embodiment of the present invention.

Fig. 5 is a front cross-sectional view of the travelling wheel shown in fig. 3 of the prefabricated rail trolley for marine vessel floating towing according to the embodiment of the present invention.

Wherein: 1-wood wedge; 2-a skid; 3-a skid limit angle steel; 4-a walking wheel shaft inner reinforcing plate; 5-H section steel; 6-a travelling wheel mounting rack; 7-a travelling wheel shaft outer reinforcing plate; 8-lifting the lug plate by the trolley; 9-a running wheel shaft; 10-circlip; 11-a ball bearing; 12-middle shaft sleeve; 13-a travelling wheel; 14-a shaft sleeve; 15-a first shoulder; 16-a second shoulder; 17-a fixed slot; 18-a rim; 19-spoke width; 20-mounting holes; 21-elastic retainer groove; 22-fixed plate of the travelling wheel shaft.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 5, the marine vessel floating and dragging prefabricated rail trolley of the embodiment of the invention comprises a wood wedge 1, a skid 2, a trolley bracket and a trolley travelling wheel device; a skid is arranged on the trolley support, a wood wedge 1 is arranged on the skid, and a travelling wheel device of the rail trolley is arranged at the bottom of the trolley support; the trolley support comprises a skid limiting angle steel 3, a walking wheel shaft inner reinforcing plate 4, H-shaped steel 5, a walking wheel mounting frame 6 and a walking wheel shaft outer reinforcing plate 7, a walking wheel shaft connecting hole and the skid limiting angle steel 3 are arranged on the walking wheel mounting frame 6, and walking wheel mounting frames 6 are respectively arranged at two ends of the walking wheel shaft 9 connecting hole, wherein the walking wheel shaft inner reinforcing plate 4 and the walking wheel shaft outer reinforcing plate 7,H shaped steel 5 are respectively arranged at two ends of the walking wheel shaft connecting hole.

The wood wedge 1 is arranged on the skid, the skid is arranged in the skid limiting angle steel 3, the bearing capacity is increased, the travelling wheel inner reinforcing plate and the travelling wheel outer reinforcing plate are suitable for larger bearing capacity and are not easy to damage in order to increase the strength between the travelling wheel and the travelling wheel mounting frame 6. The H-shaped steel 5 is arranged into two, one end of each H-shaped steel 5 is connected with one travelling wheel mounting frame 6, and the other end of each H-shaped steel 5 is connected with one travelling wheel mounting frame 6. Two skid limiting angle steels 3 are arranged on each travelling wheel mounting frame 6, the number of the skids is two, one end of each skid is connected with the skid limiting angle steel 3 on one travelling wheel mounting frame 6, and the other end of each skid is connected with the skid limiting angle steel 3 on the other travelling wheel mounting frame 6. Two wood wedges 1 are respectively arranged on each skid. Travelling wheel mounting structures at two ends of the trolley support are connected into a whole by 2H-shaped steels 5, each travelling wheel mounting frame 6 is provided with two travelling wheel shaft connecting holes, and travelling wheel shaft inner reinforcing plates 4 and travelling wheel shaft outer reinforcing plates 7 are arranged at two ends of the travelling wheel shaft connecting holes on the travelling wheel mounting frames 6 and are used for ensuring the strength of supporting travelling wheel shafts; the travelling wheel shaft inner reinforcing plate 4 and the travelling wheel shaft outer reinforcing plate 7 are respectively provided with 2 threaded holes for fixing on a travelling wheel shaft fixing plate 22 by using 2 sets of outer hexagon bolts.

The skid is used above the trolley to contact with the submarine pipeline, the pipeline anticorrosive coating is effectively protected due to the small hardness of the skid, the wood wedges 1 are arranged on two sides of the skid, the pipeline trolley is prevented from moving and falling when the pipeline trolley bears the submarine pipeline and moves on the track, and meanwhile, the height of the submarine pipeline supported by the track trolley can be adjusted by changing the height of the skid, so that the requirement of different submarine pipeline prefabrication heights is met; this small rail car can choose for use the standard component to reduce manufacturing and cost of maintenance, simultaneously, guaranteed the bearing capacity of dolly when the lectotype.

The number of the H-shaped steel 5 and the number of the travelling wheel mounting frames 6 are two, and two skid limiting angle steels 3 are arranged on each travelling wheel mounting frame 6; the bottom of each travelling wheel mounting frame 6 is respectively provided with two trolley travelling wheel devices, the number of the skid is two, and each skid is respectively provided with two wood wedges 1.

Optionally, a trolley hoisting lug plate 8 is arranged on the travelling wheel mounting frame 6. Dolly hoist and mount otic placode 8 establishes to 4, and 4 dolly hoist and mount otic placodes 8 are installed respectively on four angles of small rail car support, and the dolly hoist and mount transportation of being convenient for.

Further, the travelling wheel device of the rail trolley comprises a travelling wheel shaft 9, an elastic retainer ring 10, a ball bearing 11, a middle shaft sleeve 12, a travelling wheel 13, a shaft sleeve 14, a travelling wheel shaft fixing plate 22 and an outer hexagon bolt; the travelling wheel shaft sequentially penetrates through the elastic retainer ring 10, the ball bearing 11, the middle shaft sleeve 12, the travelling wheel 13 and the shaft sleeve 14, and the travelling wheel fixing plate is fixed on the travelling wheel outer reinforcing plate through the hexagon bolts.

Specifically, the main body of the traveling wheel shaft is provided with a first shaft shoulder 15, a second shaft shoulder 16 and a fixing groove 17.

Specifically, the travelling wheel is provided with a wheel rim 18 and a wheel spoke 19, a mounting hole 20 is formed in the travelling wheel, and an elastic retainer groove 21 is formed in the mounting hole 20. The rim 18 keeps the trolley from deviating from the rail when the trolley moves on the rail; the cylindrical surface on the spoke is contacted with the track to transfer the weight of the sea pipe to the track; the number of the retainer ring grooves 21 is 4, and the retainer ring grooves are used for limiting the outer rings of the 2 ball bearings 11.

The walking wheel shaft is provided with a first shaft shoulder 15, a second shaft shoulder 16 and a fixing groove 17; the first shaft shoulder 15 limits the inner ring of the bearing at the inner side of the travelling wheel, the second shaft shoulder 16 limits the shaft sleeve, and the shaft sleeve limits the inner ring of the bearing at the outer side; the fixing groove 17 is matched with the travelling wheel shaft fixing plate 22 to fix the travelling wheel shaft, so that the travelling wheel shaft and the trolley support are kept in a relatively fixed state.

The utility model discloses a submarine pipeline floats and drags prefabricated small rail car can select for use the preparation of current standard component, and the structure is firm to reduce dolly construction fault rate, easy maintenance, simple structure, installation, dismantlement convenience; the manufacturing and maintenance cost is reduced, and the construction and hoisting are convenient.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be understood by those skilled in the art that the invention, including any combination of the elements of the above description and the detailed description and illustrated in the accompanying drawings, is not limited to the details and should not be construed as limited to the embodiments set forth herein for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A prefabricated rail trolley for a submarine pipeline floating trailer is characterized by comprising a wood wedge, a skid, a trolley bracket and a rail trolley travelling wheel device; the skid is arranged on the trolley bracket; the trolley support comprises a skid limiting angle steel, a walking wheel shaft inner reinforcing plate, H-shaped steel, a walking wheel mounting frame and a walking wheel shaft outer reinforcing plate, a walking wheel shaft connecting hole and the skid limiting angle steel are arranged on the walking wheel mounting frame, the walking wheel shaft inner reinforcing plate and the walking wheel shaft outer reinforcing plate are arranged at the two ends of the walking wheel shaft connecting hole respectively, the walking wheel mounting frame is arranged at the two ends of the H-shaped steel respectively, a wood wedge is arranged on the skid, and a rail trolley walking wheel device is arranged on the walking wheel mounting frame.

2. The marine pipe floating-dragging prefabricated rail trolley according to claim 1, wherein the number of the H-shaped steel and the travelling wheel mounting frames is two, and each travelling wheel mounting frame is provided with two skid limiting angle steels; the bottom of every travelling wheel mounting bracket is equipped with two respectively dolly travelling wheel device, the lumber skid is established to two, every be equipped with two wood wedges on the lumber skid respectively.

3. The marine vessel tug prefabrication track trolley of claim 1, wherein trolley lifting lugs are arranged on the travelling wheel mounting frame.

4. The marine vessel floating-towing prefabricated rail trolley according to claim 2, wherein the rail trolley travelling wheel device comprises a travelling wheel shaft, an elastic retainer ring, a ball bearing, an intermediate shaft sleeve, a travelling wheel, a shaft sleeve, a travelling wheel shaft fixing plate and an outer hexagon bolt; the travelling wheel shaft sequentially penetrates through the elastic retainer ring, the ball bearing, the middle shaft sleeve, the travelling wheel and the shaft sleeve, and the travelling wheel fixing plate is fixed on the travelling wheel shaft outer reinforcing plate through the hexagon bolts.

5. The marine vessel floating-towing prefabricated rail trolley according to claim 4, wherein the travelling wheel shaft is provided with a first shaft shoulder, a second shaft shoulder and a fixing groove.

6. The marine vessel tug prefabrication track trolley of claim 4, wherein the travelling wheel is provided with a rim and a spoke, and a mounting hole is formed in the travelling wheel, and an elastic retainer groove is formed in the mounting hole.