A method for hoisting long-distance pipe gallery by using a caterpillar telescopic boom crane

Abstract

The application discloses a method for hoisting long-distance pipe gallery by using a caterpillar telescopic boom crane, which comprises the following steps: step S1, prefabricating a pipe gallery section; step S2, hoisting and installing the pipe gallery section; arranging a telescopic boom caterpillar crane on both sides of a pipe gallery construction site, hoisting and placing a first pipe gallery section on a preset installation position of a support plate by using one of the telescopic boom caterpillar cranes, hoisting and placing a second pipe gallery section on the support plate by using another telescopic boom caterpillar crane, and connecting and installing the two pipe gallery sections into one; and step S3, repeating step S2 until hoisting and installing all pipe gallery sections are completed, and a complete pipe gallery is formed at this time. The telescopic boom caterpillar crane is arranged on both sides of the pipe gallery, is convenient to use, has small site requirement, does not need to be collected and placed, does not need to be disassembled during construction along the way, and can reduce the use amount of half of the automobile hoist.

Description

Technical Field

[0001] This invention relates to the field of methods for hoisting long-distance pipeline corridors. More specifically, this invention relates to a method for hoisting long-distance pipeline corridors using a crawler-mounted telescopic boom crane. Background Technology

[0002] With the continuous improvement of my country's scientific and technological development level and innovation capabilities, the technology of lifting machinery has become increasingly mature. A large amount of advanced equipment and long-term practical experience have effectively promoted the improvement of petrochemical construction technology and quality, driving the vigorous development of my country's social economy and urbanization. Currently, the main types of lifting machinery are crawler cranes and truck cranes. Crawler cranes are convenient to use but limited by site conditions, while truck cranes are less efficient, have a smaller coverage area, and are inconvenient to deploy and retract. Depending on the construction needs, both types of cranes have certain limitations when involved in the construction of long-distance pipelines or pipeline corridors. Summary of the Invention

[0003] To achieve these and other advantages according to the invention, a preferred embodiment of the invention provides a method for hoisting long-distance pipeline corridors using a crawler telescopic boom crane, comprising the following steps:

[0004] Step S1: Prefabrication of pipe gallery segments

[0005] The utility tunnel is composed of multiple tunnel segments spliced ​​together. These segments are prefabricated in the factory, and the dimensional quality of the segments is ensured during the prefabrication process.

[0006] Step S2: Lifting and installing pipe rack segments;

[0007] Prefabricated pipe gallery segments are transported from the factory to the construction area. A telescopic crawler crane is placed on both sides of the pipe gallery construction location. One of the telescopic crawler cranes is used to lift the first pipe gallery segment and place it in the preset installation position on the support plate. Then, the other telescopic crawler crane is used to lift the second pipe gallery segment and place it on the support plate, with the second pipe gallery segment close to the first pipe gallery segment. The first and second pipe gallery segments are then spliced ​​and installed as a whole.

[0008] At this time, the telescopic crawler crane that lifts the first pipe rack segment extends its telescopic boom to lift the third pipe rack segment and place it on the support plate, close to the second pipe rack segment. The third pipe rack segment is close to the second pipe rack segment, and the third pipe rack segment and the second pipe rack segment are spliced ​​and installed as one unit.

[0009] The telescopic crawler crane that lifts the second pipe gallery segment extends its telescopic boom to lift the fourth pipe gallery segment and place it on the support plate, close to the third pipe gallery segment. The fourth pipe gallery segment is close to the third pipe gallery segment, and the fourth pipe gallery segment and the third pipe gallery segment are spliced ​​and installed as one unit.

[0010] S3: The telescopic crawler crane moves to the preset position and repeats step S2 until all pipe rack segments are lifted and installed, at which point the installation forms a complete pipe rack.

[0011] In another preferred embodiment, after the two adjacent pipe rack segments are spliced ​​and installed, it is checked whether the two adjacent pipe rack segments are connected to form a straight line that meets the required standard.

[0012] In another preferred embodiment, the pipe gallery is assembled from multiple pipe gallery segments. The pipe gallery includes multiple pipe gallery segments and connectors. Adjacent pipe gallery segments are connected by the connectors. Each pipe gallery segment has a square frame structure, and the connector has a ring column structure. The inner wall of the connector is recessed along its length to form an elongated groove. There are multiple elongated grooves, which are spaced apart on the inner wall of the connector. The outer surface of each pipe gallery segment is provided with elongated protrusions along its length. There are multiple elongated protrusions, which are spaced apart on the outer surface of the pipe gallery segment. The elongated protrusions and the elongated grooves are matched and have the same number, corresponding one-to-one.

[0013] The connector is provided with a limiting ring in the inner circumference. The limiting ring is located in the middle of the connector and divides the internal space of the connector into two locking spaces. The two pipe gallery segments are respectively inserted into the two locking spaces of the connector.

[0014] In another preferred embodiment, the portions of the connector and the tube gallery segment that come into contact with each other are detachably connected by a bolted structure.

[0015] In another preferred embodiment, rubber pads are provided at the contact points between the connector and the pipe gallery segment.

[0016] In another preferred embodiment, the bolt structure avoids the position where the elongated protrusion and the elongated groove come into contact.

[0017] In another preferred embodiment, the pipe gallery segment is provided with a plurality of transverse reinforcing ribs and a plurality of longitudinal reinforcing ribs. The plurality of transverse reinforcing ribs are spaced apart along the length of the pipe gallery segment and are annular, arranged circumferentially on the inner wall of the pipe gallery segment. The plurality of longitudinal reinforcing ribs are spaced apart along the circumferentially of the pipe gallery segment, and the vertical reinforcing ribs are connected to all the transverse reinforcing ribs.

[0018] The present invention offers at least the following advantages: It utilizes a telescopic crawler crane positioned on both sides of the pipe gallery, making it convenient to use and requiring minimal site space. No transport vehicles are needed for loading and unloading, and the cranes do not need to be dismantled during construction, reducing the use of truck cranes by half.

[0019] Other advantages, objectives and features of the present invention will become apparent in part from the following description, and in part from those skilled in the art through study and practice of the invention. Attached Figure Description

[0020] Figure 1 This is a schematic diagram showing the connection between two adjacent pipe gallery segments in one embodiment of the present invention.

[0021] Figure 2 This is a cross-sectional schematic diagram of the pipe gallery segment and connector in one embodiment of the present invention.

[0022] Figure 3 This is a cross-sectional schematic diagram of the connector in one embodiment of the present invention. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings, so that those skilled in the art can implement it based on the description.

[0024] The following description is intended to disclose the present invention and enable those skilled in the art to implement it. The preferred embodiments described below are merely examples, and other obvious modifications will occur to those skilled in the art. The basic principles of the invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the invention.

[0025] Those skilled in the art should understand that, in the disclosure of this invention, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limiting this invention.

[0026] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.

[0027] like Figure 1-3As shown, a preferred embodiment of the present invention provides a method for hoisting long-distance pipelines using a crawler-mounted telescopic boom crane, comprising the following steps:

[0028] Step S1: Prefabricate 100 segments of the pipe gallery

[0029] The utility tunnel is assembled from multiple utility tunnel segments 100. The utility tunnel segments 100 are prefabricated in the factory in advance, and the dimensional quality of the utility tunnel segments 100 is ensured during the prefabrication process.

[0030] Step S2: Lift and install the pipe rack segments 100mm apart;

[0031] The prefabricated pipe gallery segment 100 is transported from the factory to the construction area. A telescopic crawler crane is arranged on both sides of the pipe gallery construction position. One of the telescopic crawler cranes is used to lift the first pipe gallery segment 100 and place it on the preset installation position of the support plate. Then, the other telescopic crawler crane is used to lift the second pipe gallery segment 100 and place it on the support plate. The second pipe gallery segment 100 is close to the first pipe gallery segment 100. The first pipe gallery segment 100 and the second pipe gallery segment 100 are spliced ​​and installed as a whole.

[0032] At this time, the telescopic crawler crane that lifts the first pipe rack segment 100 extends its telescopic boom to lift the third pipe rack segment 100 and place it on the support plate, close to the second pipe rack segment 100. The third pipe rack segment 100 is close to the second pipe rack segment 100, and the third pipe rack segment 100 and the second pipe rack segment 100 are spliced ​​and installed as one unit.

[0033] The telescopic boom crawler crane that lifts the second pipe gallery segment 100 extends its telescopic boom to lift the fourth pipe gallery segment 100 and place it on the support plate, close to the third pipe gallery segment 100. The fourth pipe gallery segment 100 is close to the third pipe gallery segment 100, and the fourth pipe gallery segment 100 and the third pipe gallery segment 100 are spliced ​​and installed as a whole.

[0034] S3: The telescopic crawler crane moves to the preset position and repeats step S2 until all pipe rack segments 100 are lifted and installed, at which point the installation forms a complete pipe rack.

[0035] In the above implementation scheme, the present invention utilizes telescopic boom crawler cranes arranged on both sides of the preset installation position of the pipe gallery. In this way, the two telescopic boom crawler cranes set on both sides can install the pipe gallery segments on the same side respectively. Furthermore, since the telescopic boom length of the telescopic boom crawler crane is adjustable, lifting can be achieved within a certain range without moving the crane. This makes it convenient to use, requires less site space, eliminates the need for vehicle loading and unloading, and eliminates the need to dismantle the vehicle during construction along the route, thus reducing the use of truck cranes by half.

[0036] In another preferred embodiment, after the two adjacent pipe rack segments 100 are spliced ​​and installed, it is checked whether the two adjacent pipe rack segments 100 are connected to meet the required straight line standard. Only after ensuring that they meet the straight line requirement can subsequent steps be carried out to ensure the quality of subsequent installation.

[0037] In another preferred embodiment, the pipe gallery is assembled from multiple pipe gallery segments 100. The pipe gallery includes multiple pipe gallery segments 100 and connectors 200. Adjacent pipe gallery segments 100 are connected by the connectors 200. Each pipe gallery segment 100 has a square frame structure. The connectors 200 have a ring column structure. The inner wall of the connectors 200 is recessed along its length to form an elongated groove 210. There are multiple elongated grooves 210, which are spaced apart on the inner wall of the connectors 200. The outer surface of each pipe gallery segment 100 is provided with elongated protrusions 110 along its length. There are multiple elongated protrusions 110, which are spaced apart on the outer surface of the pipe gallery segment 100. The elongated protrusions 110 and the elongated grooves 210 are matched and have the same number, corresponding one-to-one.

[0038] A limiting ring 300 is provided circumferentially inside the connector 200. The limiting ring 300 is located in the middle of the connector 200. The limiting ring 300 divides the internal space of the connector 200 into two locking spaces. The two pipe gallery segments 100 are respectively inserted into the two locking spaces of the connector 200.

[0039] In the above implementation scheme, two adjacent pipe rack segments 100 are connected by a connector, which is convenient for installation and easy for subsequent installation and reuse. The installation is simple; just insert the two pipe rack segments 100 into the middle connector 200. Since the inner wall of the connector 200 is recessed along its length to form a long groove 210, and the outer surface of the pipe rack segment 100 is provided with a long protrusion 110 along its length, the long protrusion 110 is locked in the long groove 210 to achieve the limiting and locking of the two, resulting in a good stabilizing effect.

[0040] In another preferred embodiment, the parts of the connector 200 and the pipe gallery segment 100 that come into contact with each other are detachably connected by a bolt structure, which facilitates later installation and disassembly and enables the pipe gallery segment to be maintained and used cyclically.

[0041] In another preferred embodiment, rubber gaskets are provided at the contact points between the connector 200 and the pipe gallery segment 100, resulting in a good sealing effect.

[0042] In another preferred embodiment, the bolt structure avoids the position where the elongated protrusion 110 and the elongated groove 210 come into contact, thus preventing the bolt structure and the groove from simultaneously causing adverse effects on the strength of the square frame structure.

[0043] In another preferred embodiment, the pipe gallery segment 100 is provided with a plurality of transverse reinforcing ribs and a plurality of longitudinal reinforcing ribs. The plurality of transverse reinforcing ribs are spaced apart along the length of the pipe gallery segment 100 and are annular, arranged circumferentially on the inner wall of the pipe gallery segment 100. The plurality of longitudinal reinforcing ribs are spaced apart along the annularly arranged of the pipe gallery segment 100. The vertical reinforcing ribs are connected to all the transverse reinforcing ribs, which can further improve the overall strength of the entire pipe gallery segment.

[0044] Although embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for the present invention. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. A method for hoisting long-distance pipelines using a tracked telescopic boom crane, characterized in that, Includes the following steps: Step S1: Prefabrication of pipe gallery segments The utility tunnel is composed of multiple tunnel segments assembled together. These segments are prefabricated in a factory, and the prefabrication process... Ensure the dimensional quality of the pipe gallery segments; Step S2: Lifting and installing pipe rack segments; Prefabricated pipe gallery segments are transported from the factory to the construction area. A telescopic crawler crane is placed on both sides of the pipe gallery construction location. One of the telescopic crawler cranes is used to lift the first pipe gallery segment and place it in the preset installation position on the support plate. Then, the other telescopic crawler crane is used to lift the second pipe gallery segment and place it on the support plate, with the second pipe gallery segment close to the first pipe gallery segment. The first and second pipe gallery segments are then spliced ​​and installed as a whole. At this time, the telescopic crawler crane that lifts the first pipe rack segment extends its telescopic boom to lift the third pipe rack segment and place it on the support plate, close to the second pipe rack segment. The third pipe rack segment is close to the second pipe rack segment, and the third pipe rack segment and the second pipe rack segment are spliced ​​and installed as one unit. The telescopic crawler crane that lifts the second pipe gallery segment extends its telescopic boom to lift the fourth pipe gallery segment and place it on the support plate, close to the third pipe gallery segment. The fourth pipe gallery segment is close to the third pipe gallery segment, and the fourth pipe gallery segment and the third pipe gallery segment are spliced ​​and installed as one unit. S3: The telescopic boom crawler crane moves to the preset position and repeats step S2 until all pipe rack sections are completed. The section is lifted and installed, at which point the installation forms a complete utility tunnel; After two adjacent pipe rack segments are spliced ​​and installed, check whether the two adjacent pipe rack segments are connected in a straight line that meets the required standard.

2. The method for hoisting long-distance pipeline corridors using a tracked telescopic boom crane according to claim 1, characterized in that, The utility tunnel is assembled from multiple tunnel segments. The utility tunnel includes multiple tunnel segments and connectors. Adjacent tunnel segments are connected by the connectors. Each tunnel segment has a square frame structure. The connectors are annular column structures. The inner wall of the connector is recessed along its length to form a long groove. There are multiple long grooves, which are spaced apart on the inner wall of the connector. The outer surface of each tunnel segment has long protrusions along its length. There are multiple long protrusions, which are spaced apart on the outer surface of the tunnel segment. The long protrusions and the long grooves are matched and have the same number, corresponding one-to-one. The connector is provided with a limiting ring in the inner circumference. The limiting ring is located in the middle of the connector and divides the internal space of the connector into two locking spaces. The two pipe gallery segments are respectively inserted into the two locking spaces of the connector.

3. The method for hoisting long-distance pipeline corridors using a tracked telescopic boom crane according to claim 2, characterized in that, The parts of the connector and the pipe gallery segment that come into contact with each other are detachably connected by a bolt structure.

4. The method for hoisting long-distance pipeline corridors using a tracked telescopic boom crane according to claim 2, characterized in that, Rubber pads are provided at the contact points between the connector and the pipe gallery segment.

5. The method for hoisting long-distance pipeline corridors using a tracked telescopic boom crane according to claim 3, characterized in that, The bolt structure avoids the position where the elongated protrusion and the elongated groove come into contact.

6. The method for hoisting long-distance pipeline corridors using a tracked telescopic boom crane according to claim 2, characterized in that, The pipe gallery segment is provided with multiple transverse stiffeners and multiple longitudinal stiffeners. The multiple transverse stiffeners are spaced apart along the length of the pipe gallery segment and are annular, arranged circumferentially on the inner wall of the pipe gallery segment. The multiple longitudinal stiffeners are spaced apart along the circumferentially of the pipe gallery segment and are connected to all the transverse stiffeners.

Images