CN216279734U - Arc pipeline conveying and mounting device - Google Patents

Abstract

The utility model provides an arc pipeline transport installation device, belongs to river bottom pipeline and large-scale pressure steel pipe field transport installation technical field, including the base, the atress support that two symmetries of fixedly connected with set up on the base, a plurality of horizontal reinforcing plates of fixedly connected with between two atress supports, is connected perpendicularly between horizontal reinforcing plate and the atress support, every two vertical enhancement of the equal fixedly connected with of atress support are supported, two the draw-in groove has been seted up to the opposite face symmetry of atress support, and swivelling joint has the roller bearing between two draw-in grooves, the both ends fixedly connected with gyro wheel of roller bearing, the gyro wheel are trapezoidal cylinder, and the hypotenuse of gyro wheel increases from the base center to the opposite side to the distance of gyro wheel horizontal central line gradually. According to the utility model, the device is adopted to carry out pipeline transportation and installation with arc tracks or slopes, so that the labor intensity of operators can be effectively reduced, the construction is more convenient, the stress device can be effectively protected, and the safety risk of personnel injury can be greatly reduced.

Description

Arc pipeline conveying and mounting device

Technical Field

The utility model belongs to the technical field of on-site conveying and installation of river bottom pipelines and large-scale pressure steel pipes, in particular to a device for conveying and installing pipelines with arc tracks or slopes and application thereof in the conveying process, and relates to an arc pipeline conveying and installing device.

Background

A river bottom pipe sinking method is a development and extension of a pipe sinking technology, a pipeline conveying platform is erected on a bank, the pipeline conveying platform is welded and formed on the conveying platform, the pipeline conveying platform is dragged on a horizontal plane of a river channel through the pulling force of a winch, the winch and the conveying platform are used for being matched for conveying in place, then water is poured and sunk until a steel pipe is sunk to the designed bottom plate elevation, backfill construction is carried out after the steel pipe is placed, and the traditional construction process that a river-crossing pipeline is erected and spanned over the river channel or a water cut-off cofferdam is built is replaced. The river bottom immersed tube and conveying platform construction technology has the advantages of safety in construction, short period, low cost and the like, and is widely applied to river-crossing construction of urban water supply and drainage pipelines.

Although the river bottom immersed tube construction technology is mature, the river bottom immersed tube is immersed into the river bottom for a long time after being installed, and is difficult to maintain, so that the requirements on the welding quality of pipelines immersed into the river bottom and the control of steel tube deflection in the installation process are high. The river bottom immersed tube with large diameter and large river-crossing length generally has the characteristic of large weight, and meanwhile, the condition that a large-scale transport ship enters a construction operation area is not provided in a channel, so that the technical problem that the river bottom immersed tube is transported into a river channel needs to be solved urgently. In addition, as the river bottom immersed tube adopts the integral deep river bottom installation process, the deflection deformation in the steel tube installation process, the design requirements of the axis and the elevation after the tube is in place meeting, the motion balance in the immersed tube sinking process and the like are ensured. In addition, due to the influence of different factors such as the size of the immersed tube, the water flow speed, the immersion depth, the weather conditions and the like, in practical application, many difficulties still exist in the installation and positioning of the immersed tube at the bottom of the river, the excavation and backfilling of the tube groove of the rapid stream deep river channel and the installation of the immersed tube, so that the research needs to be carried out on an immersed tube mode which can ensure that the immersed tube at the bottom of the river is rapid and can control the deformation of the steel tube, and a corresponding auxiliary stress device tool is arranged to ensure the safe and rapid installation of the immersed tube at the bottom of the river.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present invention provides an arc pipe transportation installation device, which is used for solving the technical problems of the prior art, such as pipe transportation with an arc track or slope, difficult installation operation, high labor intensity and high safety risk.

In order to achieve the above and other related purposes, the utility model provides an arc-shaped pipeline conveying and mounting device, which comprises a base, wherein two symmetrically-arranged stress supports are fixedly connected to the base, clamping grooves are symmetrically formed in opposite surfaces of the two stress supports, a rolling shaft is rotatably connected between the two clamping grooves, rolling wheels are fixedly connected to two ends of the rolling shaft, the rolling wheels are trapezoidal cylinders, and the distance from the inclined edge of each rolling wheel to the horizontal center line of each rolling wheel is gradually increased from the center of the base to the other side of the base.

Preferably in any one of the above schemes, a concrete platform is arranged on the lower portion of the base, bolts are embedded in the concrete platform, and the base is connected with the concrete platform through bolts and nuts.

In any of the above schemes, preferably, the base is a rectangular parallelepiped frame structure processed by a steel plate or a section steel.

In any of the above schemes, preferably, a plurality of transverse reinforcing plates are fixedly connected between the two stressed supports, and the transverse reinforcing plates are vertically connected with the stressed supports.

In any of the above schemes, preferably, each stressed support is fixedly connected with two longitudinal reinforcing supports, and the longitudinal reinforcing supports are arranged on opposite sides of the two stressed supports.

In any of the above schemes, preferably, the two longitudinal reinforcing supports are respectively located at the left side and the right side of the central axis of the stressed support, and the distance between the two longitudinal reinforcing supports and the central axis is 80-120 mm.

In any of the above embodiments, preferably, the roller is a solid cylinder made of steel.

In any of the above schemes, preferably, the roller is a solid trapezoidal cylinder made of steel, and the roller is wrapped with an anti-slip plastic material.

In any of the above schemes, preferably, the roller and the roller are welded firmly through a concentric reinforced bearing.

As described above, the arc-shaped pipeline conveying and mounting device of the utility model has the following beneficial effects:

1. according to the utility model, the device is adopted to carry out pipeline transportation and installation with arc tracks or slopes, so that the labor intensity of operators can be effectively reduced, the construction is more convenient, the stress device can be effectively protected, and the safety risk of personnel injury can be greatly reduced.

2. According to the utility model, the device is convenient to install, different bases and stress supports can be selected according to different use requirements, and the application range of the device is wide.

Drawings

FIG. 1 is a schematic view of the present invention.

Fig. 2 shows a top view of the present invention.

Fig. 3 shows a side view of the present invention.

Figure 4 shows a front view of the force bearing mount.

Figure 5 shows a side view of the force bearing mount.

Description of the element reference numerals

The concrete platform comprises a base 1, a stress support 2, a transverse reinforcing plate 3, a longitudinal reinforcing support 4, a roller 5, a roller 6, a concentric reinforcing bearing 7, a clamping groove 8 and a concrete platform 9.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 5. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Referring to fig. 1-5, the utility model provides an arc-shaped pipeline conveying and mounting device, which comprises a base 1, wherein two symmetrically-arranged stressed supports 2 are fixedly connected to the base 1, clamping grooves 8 are symmetrically formed in opposite surfaces of the two stressed supports 2, a rolling shaft 6 is rotatably connected between the two clamping grooves 8, rolling wheels 5 are fixedly connected to two ends of the rolling shaft 6, the rolling wheels 5 are trapezoidal cylinders, and the distance from the inclined edge of each rolling wheel 5 to the horizontal central line of each rolling wheel 5 gradually increases from the center of the base 1 to the other side.

When the embodiment is used, the embodiment provides the field of river bottom pipeline installation and large-scale pressure steel pipe field transportation and installation, and particularly the transportation and installation of pipelines with arc tracks or slopes and the application of the pipelines in the transportation process. The device comprises a base 1, two stress supports 2 welded on the base 1 in the width direction symmetrically, and a roller 6 connected between the two stress supports 2 in a rotating mode and provided with a roller 5. In the use, the pipeline with the arc-shaped track or the slope is placed on the roller 5, the roller 5 and the roller 6 rotate around the clamping groove 8 of the stress bearing 2, so that the conveying of the pipeline with the horizontal or slope surface is achieved, the chain block is not hung on the welding lug any more, the stress device is suspended, the chain block is used as a main reverse conveying operating mechanism, the labor intensity of operators is reduced, the construction is safer, the stress device is protected more conveniently, the safety risk of injury of the operators is greatly reduced, and particularly, the conveying, installation and application effects of the pipeline with the arc-shaped track or the slope in the conveying process are most obvious.

In this embodiment, the base 1 is a basic platform of the transportation and installation device, and is used for supporting the stressed support 2 and increasing the contact area of the stressed support 2, so as to ensure the stability of the stressed support 2. When the weight of the stress support 2 is large, the concrete platform 9 can be poured on the lower portion of the base 1, bolts are embedded in the concrete platform 9, and the base 1 is connected with the concrete platform 9 through bolts and nuts.

Wherein, base 1 is the cuboid frame construction that is formed by steel sheet or shaped steel processing, arranges two atress supports 2 at two symmetrical minor faces of rectangle, and the support of mainly used arc atress object, atress support 2 arranges in the width direction of base 1 promptly.

In this embodiment, the stressed support 2 and the base 1 are welded firmly. The stress support 2 is formed by machining a thick steel plate, the width of the stress support is equivalent to that of the base 1, and the height of the stress support can be determined according to the installation height of an arc-shaped stress object. The support device is mainly used for supporting arc-shaped stressed objects.

The thickness of the thick steel plate is determined according to the weight of the stressed arc-shaped object, and the vertical acting force of the stressed support 2 is guaranteed to be higher than 5 times of the safety factor.

In this embodiment, the roller 6 is rotatably connected to the slot 8 formed in the stressed support 2 to ensure that the roller 6 can rotate freely around the slot 8, so as to drive the roller 5 to rotate during rotation, and the roller 6 and the roller 5 can jointly act to convey and mount a pipeline on a horizontal or slope surface.

The roller 6 is a solid cylinder made of steel, is connected with the clamping groove 8 of the stressed support 2 to rotate, and is acted together with the roller 5, so that the pipeline conveying on a horizontal or slope surface is achieved. When the slope surface conveying gradient is larger, an anti-skid device can be added, and the river bottom immersed tube adopts a chain block and a steel wire rope traction pipeline on a riparian operation platform. If the anti-skid device adopts a chain block to drag at the operating platform, the displacement of the double pipes on the bracket is controlled by the tightness of the chain block, so that the sinking pipes are prevented from sliding downwards in the assembling process.

The design size of the clamping groove 8 is designed to be slightly larger than the size of the roller 6 strictly, so that the roller 6 can rotate freely in the clamping groove 8. Can set up bearing (not shown in the figure) in the draw-in groove 8, the both ends of roller bearing 6 get into and are connected with the bearing behind the draw-in groove 8 to reduce the roller bearing 6 and rotate the friction between the in-process and the draw-in groove 8, avoid the friction loss, prolong the life of atress support 2 and roller bearing 6.

In this embodiment, the size of the roller 5 can be selected according to the actual use requirement. The roller 5 is a solid cylinder made of steel, and the roller 5 is designed into a trapezoidal cylinder and is in contact with the arc-shaped stressed object for conveying and fixing the arc-shaped object. The bearing weight of the single roller 5 is more than 10 times of the safety factor of the transportation stress device.

In this embodiment, the roller 5 and the roller 6 are firmly welded by the concentric reinforcing bearing 7, and the concentric reinforcing bearing 7 is welded at the connecting portion of the roller 6 and the roller 5.

As a further description of the above embodiment, a plurality of transverse reinforcing plates 3 are fixedly connected between two stress bearing bases 2, and the transverse reinforcing plates 3 are vertically connected with the stress bearing bases 2.

When this embodiment uses, horizontal reinforcing plate 3 is formed by the processing preparation of thick steel plate, and horizontal reinforcing plate 3 becomes 90 docks with atress support 2 to the seam welding is fixed, and horizontal reinforcing plate 3 mainly used connects and strengthens atress support 2, increases the bending resistance moment of torsion power of atress support 2.

As a further description of the above embodiment, each of the force-bearing supports 2 is fixedly connected with two longitudinal reinforcing supports 4, and the longitudinal reinforcing supports 4 are disposed on opposite sides of the two force-bearing supports 2. The two longitudinal reinforcing supports 4 are respectively positioned at the left side and the right side of the central axis of the stressed support 2, and the distance between the two longitudinal reinforcing supports 4 and the central axis is 100 mm.

When the vertical reinforcing support is used in the embodiment, the longitudinal reinforcing support 4 is made of a steel plate, is used for reinforcing the vertical stress of the stressed support 2 and protecting the safety and stability of the stressed support 2, and is positioned behind the stressed support 2; be connected with atress support 2 through the welding, be located atress support 2 the central axis left and right sides, apart from central axis 100mm, mainly prevent the horizontal stress of equipment atress support 2 in transportation process to reach the safety and stability of atress support 2, thereby support roller bearing 6, gyro wheel 5 and the arc atress object that can stabilize.

In this embodiment, the distance between the longitudinal reinforcing support 4 and the central axis of the stressed support 2 is not limited to 100mm, and can be adjusted accordingly according to actual requirements, such as within a range of 80-120 mm.

As a further description of the above embodiment, the roller 5 is wrapped with a non-slip plastic material.

When this embodiment uses, gyro wheel 5 can wrap up anti-skidding plastic material before the installation, if: waterproof fabrics and the like, and aims to reduce the contact between the rollers 5 and the pipeline and prevent the outer wall of the arc-shaped pipeline to be conveyed from being scratched or damaged.

In summary, the steps of installing the arc-shaped or sloping river bottom pipeline are as follows:

1. under the foundation of the base 1, the foundation treatment of the base 1 is carried out according to the geological condition and the gravity condition of the device, the treatment can adopt foundation piling, reinforced concrete hardening and the like, and the size of the reinforced concrete is determined according to the size of the base 1;

2. the base 1 is cut into a rectangle by adopting a steel plate, holes can be cut in bolts at four corners of the steel plate, bolts are embedded in reinforced concrete, and the base 1 is fixedly connected by adopting bolt nuts;

3. the stress support 2 is made of a steel plate with a thicker thickness, and the stress support 2 is manufactured by machining and is symmetrically welded with the long edge of the base 1 firmly;

4. the transverse reinforcing plate 3 is made into a rectangle by adopting a steel plate and is used for transversely connecting the two stressed supports 2, mainly for increasing the bending resistance torque force of the stressed supports 2, and the transverse reinforcing plate is positioned inside the two stressed supports 2 and is firmly connected and welded;

5. the longitudinal reinforcing support 4 is made of a steel plate, is used for reinforcing the vertical stress of the stressed support 2, protects the safety and stability of the stressed support 2, and is firmly welded behind the stressed support 2;

6. the roller 5 is a solid trapezoidal cylinder made of steel, is contacted with an arc-shaped stressed object and is used for conveying and fixing the arc-shaped device;

the roller 6 is a solid cylinder made of steel, is connected with the clamping groove 8 of the stressed support 2 to rotate, and is acted with the roller 5 together, so that the pipeline conveying on a horizontal or slope surface is realized;

the roller 5 and the roller 6 are welded firmly through a bearing, and are embedded in a clamping groove 8 of the stressed support 2 after welding is completed, and the design size of the clamping groove 8 is designed to be slightly larger than that of the roller 6 strictly;

the rollers 5 may be wrapped with non-slip plastic material prior to installation, such as: waterproof fabrics and the like, aiming at reducing the contact between the roller 5 and the pipeline and damaging the outer wall of the pipeline, and also aiming at reducing the direct contact between the roller 5 and the pipeline, if the outer wall of the pipeline has scratches, the pipeline can be conveyed to a river mouth or a terminal position through paint repair;

if the slope and the radian of the slope are large, the anti-skid device can be increased and is dragged at the operating platform by adopting a chain block, and the displacement of the double pipes on the support is controlled by the tightness of the chain block, so that the sinking pipes are prevented from sliding downwards in the assembling process.

In conclusion, the device is adopted for pipeline conveying and installation with an arc track or a slope, so that the labor intensity of operators can be effectively reduced, the construction is more convenient, the stress device can be effectively protected, and the safety risk of injury of the operators can be greatly reduced. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (9)

1. The utility model provides an arc pipe conveyor installation device, includes base (1), its characterized in that: stress support (2) that two symmetries of fixedly connected with set up on base (1), two draw-in groove (8), two have been seted up to the opposite face symmetry of stress support (2) swivelling joint has roller bearing (6) between draw-in groove (8), both ends fixedly connected with gyro wheel (5) of roller bearing (6), gyro wheel (5) are trapezoidal cylinder, the distance of hypotenuse to gyro wheel (5) horizontal central line of gyro wheel (5) is crescent from base (1) center to the opposite side.

2. The arcuate ductwork installation apparatus according to claim 1, wherein: the concrete platform is characterized in that a concrete platform (9) is arranged on the lower portion of the base (1), pre-buried bolts are arranged on the concrete platform (9), and the base (1) is connected with the concrete platform (9) through bolts and nuts.

3. The arcuate ductwork installation apparatus according to claim 1, wherein: the base (1) is of a cuboid frame structure formed by processing steel plates or section steel.

4. The arcuate ductwork installation apparatus according to claim 1, wherein: and a plurality of transverse reinforcing plates (3) are fixedly connected between the two stress bearing seats (2), and the transverse reinforcing plates (3) are vertically connected with the stress bearing seats (2).

5. The arcuate ductwork installation apparatus according to claim 1, wherein: every atress support (2) equal fixedly connected with two vertical enhancement support (4), vertical enhancement support (4) set up in the back of the body side of two atress supports (2).

6. The arcuate ductwork installation apparatus according to claim 5, wherein: the two longitudinal reinforcing supports (4) are respectively positioned at the left side and the right side of the central axis of the stressed support (2), and the distance between the two longitudinal reinforcing supports (4) and the central axis is 80-120 mm.

7. The arcuate ductwork installation apparatus according to claim 1, wherein: the rolling shaft (6) is a solid cylinder made of steel.

8. The arcuate ductwork installation apparatus according to claim 1, wherein: the roller (5) is a solid trapezoidal cylinder made of steel, and the roller (5) is wrapped with an anti-skid plastic material.

9. The arcuate ductwork installation apparatus according to claim 1, wherein: the roller (5) and the roller (6) are firmly welded through a concentric reinforcing bearing (7).

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