Fuel gas pipeline rust-proof treatment device

Abstract

The utility model relates to fuel gas equipment, in particular to a fuel gas pipeline anti-rust treatment device which comprises a support and an asphalt tank, heated and melted asphalt is contained in the asphalt tank, the length of the asphalt tank is larger than that of a fuel gas pipeline, and the width of the asphalt tank is larger than the outer diameter of the fuel gas pipeline. The support is hinged to two large arms of the loader, a guide sleeve with the stroke in the front-back direction is fixedly arranged in the middle of the support, the guide sleeve is in sliding fit with a guide rod, the rear end of the guide rod is hinged to a turning shovel small arm of the loader, the left end and the right end of the support are hinged to embracing arms respectively, and the front ends of the embracing arms are rotationally connected with rotating shafts respectively. The inner ends of the rotating shafts are fixedly connected with plungers suitable for being inserted into the two ends of a gas pipeline and blocking the gas pipeline, and the outer end of one rotating shaft is fixedly connected with an output shaft of a hydraulic motor. The middles of the guide rods extend leftwards and rightwards to form shifting rods penetrating out of the guide sleeves in a clearance mode, the front ends of the holding arms are fixedly connected with transmission rods close to the guide sleeves respectively, and the shifting rods are connected with the transmission rods. The device is suitable for complex environments and large-diameter pipelines.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas equipment, concretely is a kind of gas pipeline rust treatment device. BACKGROUND

[0002] In gas supply system, gas main pipeline is the key "artery" of conveying gas. In order to meet the needs of city planning and safe transportation, part of gas main pipeline adopts the way of underground burying. However, underground environment is complex and changeable, moisture in soil, acid-base degree, microorganism and the erosion effect of underground water threaten the safety of main pipeline at any time. In such environment for a long time, main pipeline is prone to rust corrosion. Rust not only weakens the structural strength of pipeline, increases the risk of leakage, but also may cause safety accidents, causes serious threat to surrounding environment and resident life and property once leakage occurs. Therefore, efficient and reliable rust-proof treatment is carried out to the underground buried gas main pipeline, and it becomes an important problem to be solved in gas industry.

[0003] At present, the existing gas pipeline rust prevention technology has advantages and disadvantages. For example, the patent with publication number CN 218834963 U proposes a rust-proof device for gas pipeline maintenance, which sets paint chamber in rust-proof box, uses paint pump and spray head to spray paint and prevent rust on pipeline placed in connecting piece groove, and provides effective solution for rust prevention of small-diameter gas pipeline. But the device has obvious limitations when facing underground buried gas main pipeline. Since main pipeline is buried underground, its environment is completely different from ground pipeline, and the device is difficult to adapt to complex underground space and working conditions. Underground buried main pipeline usually has large pipe diameter, and the surrounding space is limited, so the structural design of the device makes it difficult to install on main pipeline, and it is more difficult to realize overall rust prevention of main pipeline. In addition, the underground damp and dark environment and the obstruction of soil and other obstacles make the paint spraying operation of the device difficult to effectively carry out, cannot ensure that paint uniformly covers the surface of main pipeline, and the rust prevention effect is difficult to achieve the expectation. UTILITY MODEL CONTENT

[0004] In view of the above defects or one of the defects in the prior art, the utility model aims to provide a gas pipeline rust treatment device through technical improvement and function optimization, and the technical scheme adopted is:

[0005] The application relates to a kind of gas pipeline rust-proof treatment devices, including support, characterized by further including pitch tank, heated molten pitch is contained in the pitch tank, the length of the pitch tank is greater than the length of gas pipeline, the width is greater than the outer diameter of gas pipeline;The support is hinged with the two arms of a loader, the middle part of the support is fixed with a guide sleeve with a stroke in the front-back direction, the guide sleeve is slidingly fitted with a guide rod, the rear end of the guide rod is hinged with a loader's shovel arm, the left and right ends of the support are respectively hinged with a holding arm, the front end of the holding arm is respectively connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a plunger suitable for being inserted into both ends of the gas pipeline and blocking the gas pipeline, and the outer end of the rotating shaft is fixedly connected with the output shaft of a hydraulic motor;The middle part of the guide rod respectively extends to the left and right to form a gap, and a push rod is arranged to pass through the guide sleeve, the front end of the holding arm is respectively fixedly connected with a transmission rod close to the guide sleeve, and the push rod is connected with the transmission rod.

[0006] Further, a distance sensor is arranged on the holding arm, which is used for detecting the distance between the holding arm and the gas pipeline, and sends a signal to remind the driver when the holding arm approaches the gas pipeline to a set distance, so as to ensure that the plunger is accurately inserted into both ends of the gas pipeline.

[0007] Further, the plunger is in the shape of a conical frustum, the small diameter is smaller than the inner diameter of the gas pipeline, and the large diameter is larger than the inner diameter of the gas pipeline.

[0008] Further, the plunger comprises a steel body and a rubber outer layer fixed outside the steel body.

[0009] Further, the rotating shaft is rotatably arranged at the front end of the holding arm through two back-to-back axial thrust bearings.

[0010] Further, the hydraulic oil of the hydraulic motor comes from the hydraulic system of the loader.

[0011] Further, the starting switch of the hydraulic motor is installed near the operating handle of the operating table of the loader.

[0012] Further, a flow guide plate for preventing pitch splashing is further installed on the support, and the flow guide plate is arranged along the length direction of the gas pipeline.

[0013] Further, a heating device and a temperature sensor are arranged at the bottom of the pitch tank, the heating device is electrically connected with the temperature sensor, the temperature sensor is used for monitoring the temperature of the pitch in the pitch tank in real time, and the temperature signal is transmitted to the heating device, when the temperature of the pitch is lower than a set temperature range, the heating device starts to heat the pitch to maintain the pitch in a molten state.

[0014] Compared with the prior art, the application has the following beneficial effects:

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. Adapt to complex environment and large pipe diameter pipeline: the prior art is difficult to adapt to the underground complex space and working condition, cannot install on the large pipe diameter underground main pipeline conveniently.

[0017] 2. Realize comprehensive and even rustproof treatment: the prior art is blocked by underground damp, dark environment and soil and other obstacles, and paint spraying operation cannot be effectively carried out, and cannot ensure that the paint evenly covers the surface of the main pipeline.

[0018] 3. Convenient and efficient operation: the prior art structure design makes it inconvenient to install and operate, and the utility model utilizes the components such as large arm and turning shovel small arm of the loader, and the driver can control the arm lifting, inserting into the pipeline and making the pipeline immerse and lift off the pitch tank through the operating handle, so that the whole process is simple and convenient to operate, and the work efficiency is improved.

[0019] 4. Cost and reliability advantage: compared with some complex paint spraying equipment, the utility model device structure is relatively simple, pitch as rustproof material has low cost and wide source. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structure schematic diagram of the utility model.

[0021] Figure 2 It is Figure 1 the partial enlarged view.

[0022] Figure 3 The utility model is the structure schematic diagram after holding up the gas pipeline. DETAILED DESCRIPTION

[0023] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0024] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the term "installation", "connection", "communication" should be broad sense, for example, it can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled person in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.

[0025] The following specific embodiments illustrate the embodiments of the utility model, and the skilled person can easily understand other advantages and effects of the utility model from the contents disclosed in the specification, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled person in the art without creative labor belong to the scope of protection of the utility model.

[0026] As Figures 1-3 shown, a kind of gas pipeline rust-proof treatment device, including support 1, it is characterized in that, still including pitch tank, heated molten pitch is contained in the pitch tank, the length of the pitch tank is greater than the length of gas pipeline, width is greater than the outer diameter of gas pipeline;The support 1 is hinged with the two big arms 101 of loader 100, the middle part of the support 1 is fixed with the guide sleeve 2 of stroke in front-back direction, the guide sleeve 2 is slidably fitted with guide rod 3, the rear end of the guide rod 3 is hinged with the shovel arm 102 of loader 100, the left and right ends of the support 1 are respectively hinged with arm 4, the front end of the arm 4 is respectively connected with rotating shaft, the inner end of the rotating shaft is fixedly connected with plunger 5 suitable for inserting into both ends of gas pipeline 200 and blocking gas pipeline 200, the outer end of one of the rotating shafts is fixedly connected with the output shaft of hydraulic motor 300;The middle part of the guide rod 3 respectively extends to left and right and forms gap and passes out the push rod 6 of the guide sleeve 2, the front end of the arm 4 is respectively fixedly connected with transmission rod 7 close to the guide sleeve 2, the push rod 6 is connected with the transmission rod 7.

[0027] The working process of the gas pipeline rust-proof treatment device is as follows:

[0028] 1. Preparation: Ensure that the asphalt in the tank is heated to a molten state, and the length of the asphalt tank is greater than the length of the gas pipeline, and the width is greater than the outer diameter of the gas pipeline.

[0029] 2. Pipe holding operation: The driver operates the large arm handle of the loader 100 to control the lifting of the two arms 4 articulated at the left and right ends of the support 1 to the height of the gas pipeline 200. Then, by controlling the small arm handle of the loader 100, the plunger 5 at the inner end of the front end rotating shaft of the arm 4 is inserted into the two ends of the gas pipeline 200, and the gas pipeline 200 is held. In this process, the rear end of the guide rod 3 is articulated on the shovel arm 102 of the loader 100, the guide rod 3 slides in the guide sleeve 2, the shift rod 6 in the middle of the guide rod 3 is connected with the transmission rod 7 at the front end of the arm 4, so as to realize the action of the arm 4.

[0030] 3. Pipe immersion operation: After the loader 100 walks to the asphalt tank, the driver operates the large arm handle to control the lowering of the front ends of the two arms 4, so that the entire gas pipeline 200 is fully immersed in the molten asphalt in the asphalt tank.

[0031] 4. Asphalt throwing and uniform distribution: After lifting the gas pipeline 200 away from the asphalt tank, start the hydraulic motor 300 fixed to the outer end of one of the rotating shafts to drive the gas pipeline 200 to rotate, throw the excess asphalt into the asphalt tank, and make the asphalt evenly distributed on the gas pipeline 200.

[0032] 5. Complete processing: Wait for a while for the asphalt to solidify, and the rust-proof treatment of the gas pipeline is completed.

[0033] In another preferred embodiment, a distance sensor is provided on the arm 4, which is used to detect the distance between the arm 4 and the gas pipeline 200. When the arm 4 approaches the gas pipeline 200 to a certain distance, the distance sensor sends a signal to remind the driver, so as to ensure that the plunger 5 is accurately inserted into the two ends of the gas pipeline 200. The distance sensor on the arm can detect the distance to the gas pipeline in real time, and send a signal to remind the driver when approaching the set distance, which helps to accurately control the action of the arm and ensures that the plunger is accurately inserted into the two ends of the gas pipeline, improving the accuracy and efficiency of the operation.

[0034] In another preferred embodiment, the plunger 5 is in the shape of a conical frustum with a small inner diameter and a large outer diameter, and the small diameter is smaller than the inner diameter of the gas pipeline 200, and the large diameter is larger than the inner diameter of the gas pipeline 200. The plunger is designed in the shape of a conical frustum with a small inner diameter and a large outer diameter, and the small diameter is smaller than the inner diameter of the gas pipeline, and the large diameter is larger than the inner diameter. This shape facilitates the insertion of the plunger into the gas pipeline, and better fits the inner wall of the pipeline, enhancing the sealing effect and preventing molten asphalt from entering the inside of the pipeline.

[0035] In another preferred embodiment, the plunger 5 comprises a steel body and a rubber outer layer fixed outside the steel body. The plunger is composed of a steel body and a rubber outer layer, the steel body ensures the strength and rigidity of the plunger, and the rubber outer layer has good flexibility and sealing performance, which can further improve the sealing performance between the plunger and the gas pipeline and reduce the asphalt entering the pipeline.

[0036] In another preferred embodiment, the rotating shaft is rotatably arranged at the front end of the arm 4 through the two back-to-back arranged axial thrust bearings. The rotating shaft is rotatably arranged at the front end of the arm through the two back-to-back arranged axial thrust bearings, which can effectively bear the axial force, improve the stability and reliability of the rotating shaft, and ensure the smooth operation of the gas pipeline during rotation, so that the asphalt is evenly distributed.

[0037] In another preferred embodiment, the hydraulic oil of the hydraulic motor 300 comes from the hydraulic system of the loader 100. The hydraulic oil of the hydraulic motor is taken from the hydraulic system of the loader, without the need to additionally set up an independent hydraulic oil supply device, which simplifies the structure of the equipment, reduces the cost, and is also convenient for maintenance and management.

[0038] In another preferred embodiment, the starting switch of the hydraulic motor 300 is installed near the operating handle of the operating platform of the loader 100. The starting switch of the hydraulic motor is installed near the operating handle of the operating platform of the loader, which is convenient for the driver to quickly start or stop the hydraulic motor while operating the loader, improving the convenience and timeliness of the operation.

[0039] In another preferred embodiment, a guide plate for preventing asphalt splashing is also installed on the support 1, and the guide plate is arranged along the length direction of the gas pipeline. The guide plate arranged along the length direction of the gas pipeline is installed on the support, which can effectively prevent the asphalt from splashing into the surrounding environment during the process of immersing and lifting the gas pipeline into and out of the asphalt tank, thereby protecting the working environment and the operator.

[0040] In another preferred embodiment, a heating device and a temperature sensor are arranged at the bottom of the asphalt tank, the heating device is electrically connected with the temperature sensor, the temperature sensor is used for monitoring the temperature of the asphalt in the asphalt tank in real time, and the temperature signal is transmitted to the heating device, when the temperature of the asphalt is lower than the set temperature range, the heating device starts to heat the asphalt to maintain the asphalt in a molten state. The heating device and the temperature sensor at the bottom of the asphalt tank cooperate with each other, the temperature sensor monitors the temperature of the asphalt in real time, and when the temperature is lower than the set range, the heating device automatically starts to heat, which can ensure that the asphalt is always in a molten state, and ensure the stability and consistency of the anti-rust treatment effect.

[0041] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for rust-proofing of gas pipes, comprising a support (1), characterized in that, The asphalt tank is filled with heated molten asphalt, and the length of the asphalt tank is greater than the length of the gas pipeline, and the width of the asphalt tank is greater than the outer diameter of the gas pipeline; the bracket (1) is hinged to the two large arms (101) of the loader (100), the middle part of the bracket (1) is fixed with a guide sleeve (2) with a forward and backward stroke, the guide sleeve (2) is slidingly connected with a guide rod (3), the rear end of the guide rod (3) is hinged to the backhoe arm (102) of the loader (100), the left and right ends of the bracket (1) are respectively hinged to the holding arms (4), the front ends of the holding arms (4) are respectively connected to the rotating shafts, the inner ends of the rotating shafts are fixedly connected with the plungers (5) suitable for being inserted into the two ends of the gas pipeline (200) and sealing the gas pipeline (200), and the outer ends of one of the rotating shafts are fixedly connected with the output shaft of the hydraulic motor (300); the middle part of the guide rod (3) extends to the left and right to form the push rod (6) which passes through the gap of the guide sleeve (2), and the front ends of the holding arms (4) are respectively fixedly connected with the transmission rods (7) close to the guide sleeve (2), and the push rod (6) is connected with the transmission rod (7).

2. The device for rust-proof treatment of gas pipeline according to claim 1, characterized in that, The distance sensor is arranged on the holding arm (4), and is used to detect the distance between the holding arm (4) and the gas pipeline (200), and when the holding arm (4) approaches the gas pipeline (200) to a set distance, the distance sensor sends a signal to remind the driver, so as to ensure that the plunger (5) is accurately inserted into the two ends of the gas pipeline (200).

3. The device for rust-proof treatment of gas pipeline according to claim 1, characterized in that, The plunger (5) is in the shape of a conical frustum with a small inner diameter and a large outer diameter, the small diameter is less than the inner diameter of the gas pipeline (200), and the large diameter is greater than the inner diameter of the gas pipeline (200).

4. The device for rust-proof treatment of gas pipeline according to claim 1, characterized in that, The plunger (5) comprises a steel body and a rubber outer layer fixedly connected outside the steel body.

5. The device for rust-proof treatment of gas pipeline according to claim 1, characterized in that, The rotating shaft is rotatably arranged at the front end of the holding arm (4) through the two back-to-back arranged axial thrust bearings.

6. The device for rust-proof treatment of gas pipeline according to claim 1, characterized in that, The hydraulic oil of the hydraulic motor (300) comes from the hydraulic system of the loader (100).

7. The device for rust-proof treatment of gas pipeline according to claim 1, characterized in that, The starting switch of the hydraulic motor (300) is installed near the operating handle of the operating table of the loader (100).

8. The device for rust-proof treatment of gas pipeline according to claim 1, characterized in that, A flow guide plate for preventing asphalt splashing is also installed on the bracket (1), and the flow guide plate is arranged along the length direction of the gas pipeline.

9. The device for rust-proof treatment of gas pipeline according to claim 1, characterized in that, The bottom of the asphalt tank is provided with a heating device and a temperature sensor, the heating device is electrically connected with the temperature sensor, the temperature sensor is used to monitor the temperature of the asphalt in the asphalt tank in real time, and the temperature signal is transmitted to the heating device, when the temperature of the asphalt is lower than the set temperature range, the heating device starts to heat the asphalt to maintain the asphalt in a molten state.

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