Auxiliary machine tool for mounting large-diameter PCCP (prestressed concrete cylinder pipe)

Abstract

The utility model relates to a large-caliber PCCP pipeline installation auxiliary machine tool which comprises an electric walking trolley, the trolley comprises a square trolley body, side face installation grooves are formed in the left side and the right side of the trolley body respectively, side arm hydraulic oil cylinders are installed in the side face installation grooves, and inserting plates are installed at the ends of pistons of the side arm hydraulic oil cylinders. One end of the inserting plate is fixedly connected with the end face of a piston of the side arm hydraulic oil cylinder, the other end of the inserting plate is in an arc shape protruding outwards, limiting devices are further arranged on the left side and the right side of the vehicle body respectively, a pair of front installation grooves is formed in the front portion of the vehicle body, and front arm hydraulic oil cylinders are installed in the front installation grooves. The tail portion of a cylinder body of the front arm hydraulic oil cylinder is movably connected with the front portion of the front installation groove through a bearing, the front end of the front arm hydraulic oil cylinder is connected with an iron chain, and the tail end of the iron chain is connected with an iron hook. By the adoption of the technical scheme, the auxiliary machine tool for installing the large-diameter PCCP is simple in structure and safe and convenient to use, and when the large-diameter PCCP is installed, the installation efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the field of large-scale pipeline construction equipment, in particular to a large-caliber PCCP pipeline installation auxiliary machine. Background Art

[0002] With the increasing development of social economy, PCCP pipes are becoming more and more commonly used in long-distance water supply due to their advantages such as large diameter and low cost. PCCP pipes use socket connections. Traditional construction usually uses multiple workers to manually pull the chain to connect the pipes. The installation efficiency is very low and there are certain safety hazards. Summary of the invention

[0003] The utility model aims to provide a large-diameter PCCP pipeline installation auxiliary machine, aiming to solve the problem of low efficiency in existing PCCP pipeline connection.

[0004] The technical scheme adopted by the utility model is: a large-caliber PCCP pipeline installation auxiliary machine, including an electric walking trolley, the trolley includes a square body, four walking wheels are arranged under the body, side mounting grooves are respectively arranged on the left and right sides of the body, side arm hydraulic cylinders are installed in the side mounting grooves, the cylinder tail of the side arm hydraulic cylinder is connected with the rear of the side mounting groove through a bearing, a plug plate is installed on the piston end of the side arm hydraulic cylinder, the thickness of the plug plate is 1 cm, one end of the plug plate is fixedly connected with the piston end face of the side arm hydraulic cylinder, and the other end of the plug plate is an arc convex to the outside, limiting devices are also respectively arranged on the left and right sides of the body, and the limiting device limits the cylinder body of the side arm hydraulic cylinder, a pair of front mounting grooves are arranged at the front of the body, a forearm hydraulic cylinder is installed in the front mounting groove, the cylinder tail of the forearm hydraulic cylinder is connected with the front of the front mounting groove through a bearing, the front end of the forearm hydraulic cylinder is connected with an iron chain, and the end of the iron chain is connected with an iron hook.

[0005] A further technical solution of the utility model is: the side arm hydraulic cylinder is an electric hydraulic cylinder, which is controlled by a remote control device. The length of the piston of the side arm hydraulic cylinder when fully retracted is 70 cm, the cylinder diameter of the cylinder body is 40 cm, the load is 2 tons, and the total length of the side arm hydraulic cylinder when the piston is fully extended is 1.2 m.

[0006] A further technical solution of the utility model is: the forearm hydraulic cylinder is an electric hydraulic cylinder, which is controlled by a remote control device. When the piston of the forearm hydraulic cylinder is fully retracted, the length is 80 cm, the cylinder diameter is 50 cm, the load is 3 tons, and when the piston of the forearm hydraulic cylinder is fully extended, the total length is 1.5 m.

[0007] A further technical solution of the utility model is: the limiting device comprises a limiting groove arranged on the vehicle body, a limiting pin is installed in the limiting groove, and the limiting pin abuts against the side arm hydraulic cylinder body.

[0008] The beneficial effect of the utility model is that due to the adoption of the above technical scheme, the utility model is a large-diameter PCCP pipeline installation auxiliary tool with a simple structure, safe and convenient to use, and can effectively improve the installation efficiency and save labor costs when installing large-diameter PCCP pipelines. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of a large-diameter PCCP pipeline installation auxiliary machine described in the utility model;

[0010] Figure 2 It is a schematic diagram of a large-diameter PCCP pipeline installation auxiliary tool described in the utility model when operating in a PCCP pipeline. DETAILED DESCRIPTION

[0011] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0012] Example:

[0013] like Figure 1 A large-caliber PCCP pipeline installation auxiliary machine shown in the figure includes an electric walking trolley 1, the trolley includes a square body, four walking wheels 11 are arranged under the body, side mounting grooves 12 are respectively arranged on the left and right sides of the body, a side arm hydraulic cylinder 2 is installed in the side mounting groove, the cylinder tail of the side arm hydraulic cylinder is connected to the rear of the side mounting groove through a bearing, a plug plate 6 is installed at the piston end of the side arm hydraulic cylinder, the thickness of the plug plate 6 is 1 cm, one end of the plug plate 6 is fixedly connected to the piston end face of the side arm hydraulic cylinder, and the other end of the plug plate is an arc convex to the outside, and limiting devices are also respectively arranged on the left and right sides of the body, and the limiting devices limit the cylinder body of the side arm hydraulic cylinder, a pair of front mounting grooves 13 are arranged at the front of the body, a forearm hydraulic cylinder 3 is installed in the front mounting groove, the cylinder tail of the forearm hydraulic cylinder is connected to the front of the front mounting groove through a bearing, the front end of the forearm hydraulic cylinder is connected to an iron chain 4, and the end of the iron chain is connected to an iron hook 5.

[0014] Preferably, the side arm hydraulic cylinder 2 is an electric hydraulic cylinder controlled by a remote control device. The length of the piston of the side arm hydraulic cylinder when fully retracted is 70 cm, the cylinder diameter of the cylinder body is 40 cm, the load is 2 tons, and the total length of the side arm hydraulic cylinder when the piston is fully extended is 1.2 m.

[0015] Preferably, the forearm hydraulic cylinder 3 is an electric hydraulic cylinder controlled by a remote control device. When the piston of the forearm hydraulic cylinder is fully retracted, the length is 80 cm, the cylinder diameter is 50 cm, the load is 3 tons, and when the piston of the forearm hydraulic cylinder is fully extended, the total length is 1.5 m.

[0016] Preferably, the limiting device comprises a limiting groove 7 arranged on the vehicle body, in which a limiting pin 8 is installed, and the limiting pin abuts against the side arm hydraulic cylinder body.

[0017] Implementation method:

[0018] like Figure 2 As shown, first, the construction personnel push the trolley together to enter the installed large-diameter PCCP pipeline 9, and the pipeline 10 to be installed is preliminarily docked by a crane. The trolley is controlled to move to the interface of the two pipelines, first, the side arm hydraulic cylinder 2 is taken out from the side installation groove, so that the cylinder is perpendicular to the side of the trolley, and the side arm hydraulic cylinder 2 is locked by a limit device to prevent the cylinder from moving, and then the piston of the side arm hydraulic cylinder is remotely extended by the remote control device, and the plug plate at the end of the piston of the side arm hydraulic cylinder will be stuck in the socket position of the installed large-diameter PCCP pipeline 9; then the forearm hydraulic cylinder 3 is taken out from the front installation groove 13, and the forearm hydraulic cylinder is manually remotely controlled to make the cylinder piston extend a certain length, and then the iron hook is manually hooked on the pipeline to be installed at the interface of the two pipelines, and then the two forearm hydraulic cylinders are remotely retracted and the pipeline is installed by the crane.

[0019] In the description of this embodiment, it should be understood that if the terms "upper", "lower", "left", "right", "front", "back", etc. indicate directions or positional relationships, they are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0020] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A large-caliber PCCP pipeline installation auxiliary machine, characterized by: The utility model comprises an electric walking trolley, which comprises a square body, four walking wheels are arranged under the body, side mounting grooves are respectively arranged on the left and right sides of the body, side arm hydraulic cylinders are installed in the side mounting grooves, the tail of the cylinder body of the side arm hydraulic cylinder is connected to the rear of the side mounting groove through a bearing, a plug plate is installed on the piston end of the side arm hydraulic cylinder, the thickness of the plug plate is 1 cm, one end of the plug plate is fixedly connected to the piston end face of the side arm hydraulic cylinder, and the other end of the plug plate is an arc convex to the outside, limiting devices are respectively arranged on the left and right sides of the body, the limiting devices limit the cylinder body of the side arm hydraulic cylinder, a pair of front mounting grooves are arranged on the front part of the body, a forearm hydraulic cylinder is installed in the front mounting groove, the tail of the cylinder body of the forearm hydraulic cylinder is connected to the front of the front mounting groove through a bearing, the front end of the forearm hydraulic cylinder is connected to an iron chain, and the end of the iron chain is connected to an iron hook.

2. The large-diameter PCCP pipeline installation auxiliary tool according to claim 1 is characterized by: The side arm hydraulic cylinder is an electric hydraulic cylinder controlled by a remote control device. The length of the piston of the side arm hydraulic cylinder when fully retracted is 70 cm, the cylinder diameter of the cylinder body is 40 cm, the load is 2 tons, and the total length of the side arm hydraulic cylinder when the piston is fully extended is 1.2 m.

3. The large-diameter PCCP pipeline installation auxiliary tool according to claim 1 is characterized by: The forearm hydraulic cylinder is an electric hydraulic cylinder controlled by a remote control device. When the piston of the forearm hydraulic cylinder is fully retracted, the length is 80 cm, the cylinder diameter is 50 cm, and the load is 3 tons. When the piston of the forearm hydraulic cylinder is fully extended, the total length is 1.5 m.

4. The large-diameter PCCP pipeline installation auxiliary tool according to claim 1 is characterized by: The limiting device comprises a limiting groove arranged on the vehicle body, a limiting latch is installed in the limiting groove, and the limiting latch abuts against the side arm hydraulic cylinder body.

Images