CN217627412U

CN217627412U - Automatic pipe device that turns over of concrete counter weight sea pipe normal position

Info

Publication number: CN217627412U
Application number: CN202220805934.2U
Authority: CN
Inventors: 贾振; 武占文; 杨彪; 焦振峰; 彭传伟; 杨加栋; 赵利; 张宗良; 由乐; 梅建明; 相政乐; 郑泽; 闫林森
Original assignee: Cnooc Development Zhuhai Pipeline Engineering Co Ltd
Current assignee: Cnooc Development Zhuhai Pipeline Engineering Co Ltd
Priority date: 2022-03-03
Filing date: 2022-04-08
Publication date: 2022-10-21
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a concrete counterweight submarine pipe in-situ automatic pipe overturning device, wherein a bearing rack and riding wheel supports are provided with screw supports, the screw supports of the bearing rack are provided with screws, and two riding wheel supports are connected with the screws and are arranged on the bearing rack provided with a chute; one end of the screw rod is provided with a screw rod motor; the riding wheel support is provided with riding wheels, one of the riding wheels is connected with the rotating motor, the electric crawler is provided with four hydraulic cylinders, and the other ends of the hydraulic cylinders are connected with the bearing rack, so that the automatic lifting of the bearing rack can be realized. The utility model discloses can realize that the automatic pipe that turns over in concrete counter weight sea pipe place normal position, very effectual concrete counter weight pipe scene of having improved turns over a tub efficiency and security.

Description

Automatic pipe device that turns over of concrete counter weight sea pipe normal position

Technical Field

The utility model relates to a concrete counter weight sea pipe especially relates to an automatic tub device that turns over of concrete counter weight sea pipe normal position.

Background

In order to ensure that the submarine pipeline has enough negative buoyancy and good mechanical damage resistance and guarantee the underwater stable operation of the pipeline, the external sprayed concrete counterweight layer is mainly used for carrying out balance weight on the submarine pipeline at home and abroad. Aiming at the concrete injection counterweight process of the marine pipe, after the pipeline is subjected to online counterweight coating, the pipe end is usually repaired by using cement or epoxy mortar materials in a maintenance site to finish the exposed steel mesh at the tail end of the pipe end and ensure the geometric dimension of the pipe end of the counterweight layer. At present, in the repair construction of the pipe end of the counterweight layer, a crane is generally adopted to turn over the pipe for the convenience of manual repair. With the increasing size of the balance weight submarine pipe in recent years, the shortage of the overturning of the crane becomes more and more obvious:

(1) The crane turns over the pipe and needs to use the suspender to carry on the single lifting turns over the pipe, lower in efficiency;

(2) The lifting and overturning of the crane pipe requires manual operation of a hanging strip, and the lifting and overturning of the crane pipe has certain safety risk and low safety of field operation;

(3) The pipe overturning operation needs cooperation of a plurality of operators, and the construction labor cost is high.

Therefore, in order to realize efficient and convenient automatic pipe overturning of the counterweight pipe and eliminate the risk of on-site pipe overturning operation, and further improve the repair quality and efficiency of the concrete counterweight marine pipe, the in-situ automatic pipe overturning device for the concrete counterweight pipe is urgently needed to be developed.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a concrete counterweight sea pipe in-situ automatic pipe overturning device which improves the pipe overturning efficiency and safety of a counterweight pipe.

In order to achieve the purpose, the invention adopts the technical scheme that:

the invention relates to an in-situ automatic pipe overturning device for a concrete counterweight pipe, which comprises two lifting traveling systems arranged in parallel at intervals from left to right and a rotating system arranged on each lifting traveling system.

Each lifting traveling system comprises an electric crawler with a built-in power supply, and seat bodies of two hydraulic cylinders are respectively fixed on the front side and the rear side of the electric crawler.

Each rotating system comprises a bearing rack which is fixed at the top ends of hydraulic rods of two hydraulic cylinders arranged in the vertical direction and is arranged in the horizontal direction, a sliding groove is formed in the length direction of the bearing rack 1, the front side and the rear side of the sliding groove are respectively connected with a riding wheel support in a sliding mode, a screw support is arranged on the lower portion of each riding wheel support, a lead screw motor is arranged on the bearing rack, the rotating shaft of the lead screw motor is fixedly connected with one end of a screw, the other side of the screw is connected with the two screw supports in a threaded mode, the screw is divided into a front section and a rear section, the spiral directions of the two sections of screws are opposite, so that the screws can drive the riding wheel supports to move in the reverse direction or in the opposite direction, a riding wheel is rotatably connected to the upper portion of each riding wheel support, a riding wheel shaft of one riding wheel is connected with a rotating motor, and the rotating motor is fixed on the riding wheel supports of the corresponding riding wheels; one end of the concrete counterweight pipe is supported between the two riding wheels.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the automatic pipe overturning device adopts a screw rod structure consisting of a screw rod, a supporting wheel support and a screw rod motor, can automatically adjust the distance between the supporting wheels, can meet the stable lifting and overturning of a sea pipe with the outer diameter of 200-800 mm, and has wide application range;

2. the automatic pipe overturning device lifts the marine pipe by using the hydraulic cylinder without manually installing a lifting appliance, so that the pipe overturning lifting efficiency is obviously improved;

3. the adopted electric crawler can bear the maximum load of 20t, can meet the walking requirements of different ground surfaces in a counterweight pipe maintenance site, and has good field stability and strong applicability;

4. the automatic pipe overturning device adopts wireless control, can realize automatic lifting and overturning of the marine pipe, and has good safety.

Drawings

Fig. 1 is a schematic structural view of the concrete counterweight sea pipe in-situ automatic pipe overturning device of the present invention;

FIG. 2 is a side view of the device shown in FIG. 1;

fig. 3 is a schematic structural view of the device shown in fig. 1 in a use state.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in the attached drawings, the utility model discloses an automatic pipe device that turns over of concrete counter weight pipe normal position can carry out normal position to the concrete counter weight pipe and lift and overturn, two including controlling parallel interval and setting up lift the running gear and install a rotating system on every lifts the running gear.

Each lifting walking system comprises an electric crawler 9 with a built-in power supply, and the electric crawler 9 can be a product sold on the existing market. The base bodies of the two hydraulic cylinders 8 are respectively fixed on the front side and the rear side of the electric crawler 9.

Each rotating system including fix on the top of the hydraulic stem of two pneumatic cylinders 8 that set up along vertical direction and along the bearing rack 1 that the horizontal direction set up, it has the spout to open on the length direction of bearing rack 1, the spout around both sides respectively with a riding wheel support 2 sliding connection, at every the lower part of riding wheel support 2 install a screw rod support 7, install lead screw motor 6 on bearing rack 1, the axis of rotation of lead screw motor 6 and the one end stationary phase of screw rod 5 link to each other, the opposite side and two screw rod support 7 threaded connection of screw rod 5, screw rod 5 divide into two sections around, the opposite spiral direction of two sections screw rods 5 makes screw rod 5 can drive riding wheel support 2 and do reverse or opposite direction and move for adjust two riding wheel 2 intervals, ensure to adapt to different external diameters marine pipes and stably lift. The upper part of each riding wheel support 2 is rotatably connected with a riding wheel 3, a riding wheel shaft of one riding wheel 3 is connected with a rotating motor 4 and can rotate actively, and the rotating motor 4 is fixed on the riding wheel support 2 of the corresponding riding wheel 3; the riding wheel 2 is a steel riding wheel coated with rubber. And one end of the concrete weight pipe 10 is supported between the two riding wheels 3.

Preferably, the concrete counterweight sea pipe in-situ automatic pipe overturning device further comprises a wireless control system connected with the electric crawler 1, the lead screw motor 6 and the rotating motor 4 and used for controlling starting and stopping.

As shown in fig. 3, the automatic in-situ tube overturning device has the following operation flow:

1. and the two automatic pipe turning devices are driven to move to the position below the pipe end of the concrete balance weight pipe 10 by controlling the electric crawler 9 of the automatic pipe turning devices.

2. According to the external diameter size of concrete counter weight pipe 10, control lead screw motor 6 and drive riding wheel support 2 and remove to the interval of two riding wheels 3 of adjustment, in order to guarantee that riding wheel 3 can stably support concrete counter weight pipe 10.

3. And starting the hydraulic cylinder 8 to lift the bearing rack 1, and stopping the hydraulic cylinder 8 after the riding wheel 3 on the bearing rack 1 lifts the concrete counterweight pipe to a certain height. The rotating motor 4 is started to drive the concrete counterweight pipe 10 to rotate.

4. When the position to be repaired of the concrete weight layer rotates to the top, the rotating motor 4 is turned off, the rotation is stopped, the hydraulic cylinder 8 is controlled to slowly descend the concrete weight pipe 10, the concrete weight pipe falls onto the maintenance pipe pile 11, and then the concrete weight layer is repaired.

The present invention is not limited to the above-described embodiments. The above description of the embodiments is intended to describe and illustrate the technical solutions of the present invention, and the above embodiments are merely illustrative and not restrictive. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an automatic tub device that turns over of concrete counter weight sea pipe normal position which characterized in that: comprises two lifting walking systems which are arranged in parallel at intervals from left to right and a rotating system which is arranged on each lifting walking system;

each lifting traveling system comprises an electric crawler with a built-in power supply, and seat bodies of two hydraulic cylinders are respectively fixed on the front side and the rear side of the electric crawler;

each rotating system comprises a bearing rack which is fixed at the top ends of hydraulic rods of two hydraulic cylinders arranged in the vertical direction and is arranged in the horizontal direction, a sliding groove is formed in the length direction of the bearing rack, the front side and the rear side of the sliding groove are respectively connected with a riding wheel support in a sliding mode, a screw support is arranged on the lower portion of each riding wheel support, a lead screw motor is arranged on the bearing rack, the rotating shaft of the lead screw motor is fixedly connected with one end of a screw, the other side of the screw is connected with the two screw supports in a threaded mode, the screw is divided into a front section and a rear section, the spiral directions of the two sections of screws are opposite, so that the screws can drive the riding wheel supports to move in the reverse direction or in the opposite direction, a riding wheel is rotatably connected to the upper portion of each riding wheel support, a riding wheel shaft of one riding wheel is connected with a rotating motor, and the rotating motor is fixed on the riding wheel supports of the corresponding riding wheels; one end of the concrete counterweight pipe is supported between the two riding wheels.

2. The automatic pipe overturning device in situ for the concrete weighted sea pipe according to claim 1, wherein: the riding wheel is a steel riding wheel coated with rubber.

3. The concrete-weighted sea pipe in-situ automatic pipe overturning device according to claim 1 or 2, characterized in that: the electric tracked vehicle, the lead screw motor and the rotating motor are connected with the wireless control system.