Telescopic device based on pneumatic wind shovel

Abstract

The telescopic device comprises a base tube, a fastening mechanism, a telescopic tube, an adjustable ventilation valve, the pneumatic wind shovel and a handrail handle sleeve, the telescopic tube is assembled in the base tube, the fastening mechanism is assembled at the joint of the base tube and the telescopic tube, the pneumatic wind shovel is assembled at the front end of the telescopic tube, and the adjustable ventilation valve is arranged on the handrail handle sleeve. An adjustable ventilation valve is assembled at a proper position on the telescopic pipe, and the periphery of the base pipe is sleeved with a handrail handle sleeve; the position of the telescopic pipe in the base pipe is fixed through locking and loosening of the fastening mechanism, so that a constructor can adjust the extension length of the telescopic pipe according to different construction occasions, and operation in various narrow spaces is achieved. The device is easy to operate, convenient to disassemble, assemble and maintain and high in safety, the length can be adjusted at any time according to needs, the device adapts to different working scenes, the wind power can be controlled through the adjustable ventilation valve, operation of constructors is facilitated, and the working efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to a device in the technical field of hull structure welding and post-weld processing, in particular to a retractable device based on a pneumatic wind shovel. Background Art

[0002] At present, during the ship manufacturing and installation stages, there are many areas with narrow spaces and difficult construction. During the welding process, it is sometimes impossible to clean out impurities such as welding coating, which affects the welding quality and anti-corrosion performance of the product.

[0003] The straight arm connecting rod of the traditional pneumatic wind shovel is an integral structure with a short length and cannot be changed, which makes the pneumatic wind shovel have a single use occasion. Different occasions require connecting rods of different lengths. Frequent replacement of connecting rods leads to low construction efficiency. At the same time, the wind force is not adjustable, resulting in multiple attempts to remove impurities such as coating at the weld to ensure clean removal, which increases the working time of construction workers in a small space and prolongs the construction period. Therefore, there is a need for a device that can adapt to a variety of occasions to remove impurities such as coating to ensure construction efficiency. Utility Model Content

[0004] In order to effectively remove impurities such as coating in a narrow space, the utility model provides a retractable device based on a pneumatic wind shovel. The device adjusts the extension length of the pneumatic wind shovel through the cooperation between the base pipe and the telescopic pipe, so that the pneumatic wind shovel can operate in a variety of narrow spaces, effectively improving the construction efficiency, and solving technical problems such as the difficulty in cleaning impurities such as coating during welding due to the narrow space of the hull cabin and the difficulty in reaching the construction station due to limited space.

[0005] The solution adopted by the utility model to solve the technical problem is:

[0006] A retractable device based on a pneumatic air shovel comprises a base pipe, a rubber air conveying belt is installed at the rear end, and a through hole is opened inside to provide installation space and conduct gas; a telescopic tube, one end of which is installed inside the base pipe and the other end extends to the front end of the base pipe; a fastening mechanism is arranged at the junction of the base pipe and the telescopic tube and is fixedly connected to the front end of the base pipe; a pneumatic air shovel is installed at the front end of the telescopic tube; wherein the telescopic tube is locked and loosened by the fastening mechanism to adjust the extension length of the telescopic tube.

[0007] The disclosed embodiment further includes an adjustable ventilation valve, which is assembled on the telescopic tube and is used to control the amount of gas passing through the telescopic tube.

[0008] The disclosed embodiment also includes a handrail handle sleeve, which is sleeved on the periphery of the base pipe to provide a handhold for construction workers.

[0009] Positive effects:

[0010] In the present utility model, a telescopic tube is assembled inside the base tube, a fastening mechanism is assembled at the connection between the base tube and the telescopic tube, a pneumatic air chisel is assembled at the front end of the telescopic tube, an adjustable ventilation valve is assembled at a suitable position on the telescopic tube, and a handrail grip is sleeved outside the base tube. By locking and loosening the fastening mechanism, the position of the telescopic tube inside the base tube is fixed, enabling construction workers to adjust the extended length of the telescopic tube according to different construction sites, and realizing operations in various narrow spaces. This device is simple to operate, convenient for disassembly, installation and maintenance, and has high safety. It can adjust the length at any time according to needs, adapt to different working scenarios, and can control the wind force through the adjustable ventilation valve, facilitating the operation of construction workers and effectively improving work efficiency. It is suitable for use as a telescopic device based on a pneumatic air chisel. Description of the drawings

[0011] Figure 1 It is a schematic structural diagram of an embodiment of the present application;

[0012] Figure 2 It is a cross-sectional view of the internal structure of an embodiment of the present application;

[0013] Figure 3 It is a schematic structural diagram of a traditional pneumatic air chisel.

[0014] In the figure, 1. Base tube, 2. Fastening mechanism, 3. Telescopic tube, 4. Adjustable ventilation valve, 5. Pneumatic air chisel, 6. Handrail grip. Specific embodiments

[0015] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0016] As shown in the figure, a telescopic device based on a pneumatic air chisel includes:

[0017] The base pipe 1 is assembled with a rubber air delivery belt at the rear end and is provided with a through hole inside to provide an installation space and conduct gas; the telescopic pipe 3, one end of which is assembled inside the base pipe 1 and the other end extends towards the front end of the base pipe 1; the fastening mechanism 2 is arranged at the junction of the base pipe 1 and the telescopic pipe 3 and is fixedly connected to the front end of the base pipe 1; the pneumatic air chisel 5 is assembled at the front end of the telescopic pipe 3; wherein, the telescopic pipe 3 is locked and loosened through the fastening mechanism 2 to adjust the extended length of the telescopic pipe 3.

[0018] Specifically, the rear end of the base pipe 1 is assembled with the rubber air delivery belt by means of threaded connection. A through hole with a size adapted to the outer diameter of the telescopic pipe 3 is provided at the rear end thereof to provide an installation space for the telescopic pipe 3 and conduct the gas input from the rubber air delivery belt; one end of the telescopic pipe 3 is assembled inside the base pipe 1 and the other end extends towards the front end of the base pipe 1, so that the telescopic pipe 3 can move freely inside the base pipe 1; the fastening mechanism 2 is fixedly connected to the front end of the base pipe 1 by means of threaded connection and is located at the junction of the base pipe 1 and the telescopic pipe 3. By screwing the fastening mechanism 2, pressure is applied to the base pipe 1, thereby locking the telescopic pipe 3 and positioning the position of the telescopic pipe 3; the pneumatic air chisel 5 is assembled at the front end of the telescopic pipe 3 by means of threaded connection, and a tapered through hole is provided inside it to increase the air pressure at the air outlet end and facilitate the construction of the construction personnel.

[0019] The telescopic device based on a pneumatic air chisel further includes an adjustable ventilation valve 4, which is assembled on the telescopic pipe 3 and is used to control the gas throughput inside the telescopic pipe 3.

[0020] Specifically, the adjustable ventilation valve 4 is assembled on the telescopic pipe 3 by means of snap connection, and its valve switch passes through the telescopic pipe 3 to adjust the internal gas throughput, thereby controlling the wind force of the device and quickly adapting to different construction sites.

[0021] The telescopic device based on a pneumatic air chisel further includes a handrail grip 6, which is sleeved on the periphery of the base pipe 1 and is used to provide a handheld part for the construction personnel.

[0022] Specifically, the handrail grip 6 is sleeved on the periphery of the base pipe 1 to provide a handheld part for the construction personnel, so that the construction personnel can extend the working range of the arm to places that could not be reached originally, increasing the construction coverage area.

[0023] The working process of this embodiment:

[0024] The using method of the telescopic device based on a pneumatic air chisel includes the following steps:

[0025] Step 1. Connect the gas control system to the rear end of the base pipe 1 through a rubber gas transmission belt;

[0026] Step 2. Adjust the state of the fastening mechanism 2 according to the needs of the construction position, so as to adjust the extended length of the telescopic pipe 3;

[0027] Step 3. Open and adjust the adjustable ventilation valve 4 to control the gas throughput;

[0028] Step 4. Hold the handrail grip 6 firmly by hand and align the pneumatic chisel 5 with the construction position;

[0029] Step 5. After the construction is completed, first close the adjustable ventilation valve 4 to block the continuous passage of gas, and then turn off the main switch of the gas control system;

[0030] Step 6. Disconnect the rubber gas transmission belt from the base pipe 1;

[0031] Step 7. Clean and maintain the telescopic pipe 3 to ensure its service life;

[0032] Step 8. Adjust the state of the fastening mechanism 2 to make the whole device in the smallest size for easy storage.

[0033] Features of the present utility model:

[0034] In the present utility model, a telescopic pipe 3 is assembled inside the base pipe 1, a fastening mechanism 2 is assembled at the connection between the base pipe 1 and the telescopic pipe 3, a pneumatic chisel 5 is assembled at the front end of the telescopic pipe 3, an adjustable ventilation valve 4 is assembled at a suitable position on the telescopic pipe 3, and a handrail grip 6 is sleeved around the base pipe 1. During actual use, by locking and loosening the fastening mechanism 2, the position of the telescopic pipe 3 inside the base pipe 1 is fixed, so that the construction personnel can adjust the extended length of the telescopic pipe 3 according to different construction occasions, realizing operation in a variety of narrow spaces. Through this technical solution, effective removal of impurities such as welding flux in a variety of narrow spaces can be achieved, and this device is simple to operate, convenient for disassembly, installation, maintenance and has high safety. It can adjust the length at any time according to needs to adapt to different working scenarios, and can also control the wind force through the adjustable ventilation valve 4, which is convenient for the construction personnel to operate and effectively improves work efficiency.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A retractable device based on a pneumatic wind shovel, characterized in that: The base pipe (1) has a rubber gas conveying belt installed at the rear end and a through hole opened inside for providing installation space and conducting gas; A telescopic tube (3), one end of which is assembled inside the base tube (1) and the other end of which extends toward the front end of the base tube (1); A fastening mechanism (2) is arranged at the junction of the base tube (1) and the telescopic tube (3) and is fixedly connected to the front end of the base tube (1); A pneumatic wind shovel (5) mounted on the front end of the telescopic tube (3); The telescopic tube (3) is locked and loosened by the fastening mechanism (2) to adjust the extension length of the telescopic tube (3).

2. The retractable device based on pneumatic wind shovel according to claim 1, characterized in that: Also includes, An adjustable ventilation valve (4) is mounted on the telescopic tube (3) and is used to control the amount of gas passing through the telescopic tube (3).

3. The retractable device based on pneumatic wind shovel according to claim 2 is characterized in that: Also includes, The handrail handle sleeve (6) is sleeved on the outer periphery of the base pipe (1) and is used to provide a handhold for construction workers.

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