Pipeline cleaning equipment

Abstract

The utility model discloses pipeline cleaning equipment which can prolong the exhaust time of a compression cavity and comprises a cleaning device and a pneumatic actuating mechanism used for driving the cleaning device, a second air guide groove and a first air guide groove are formed in the outer wall of a piston in a front-back arrangement mode, and a front air guide pipe and a rear air guide pipe are arranged in the piston. The front air guide pipe and the rear air guide pipe are parallel to the axis of the piston, the outer end of the front air guide pipe is communicated with the front end face of the piston, the inner end of the front air guide pipe is communicated with the first air guide groove, the outer end of the rear air guide pipe is communicated with the rear end face of the piston, and the inner end of the rear air guide pipe is communicated with the second air guide groove. The front air vent and the rear air vent are symmetrical about the middle position of the guide rod; the front end of the piston is provided with a front exhaust pipe, and the rear end of the piston is provided with a rear exhaust pipe. According to the utility model, the exhaust is smoother, and the movement is more flexible; in addition, the requirement for piston machining precision is low, movement is smoother, and jamming is not prone to occurring.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipeline cleaning equipment belongs to pipeline cleaning technical field. BACKGROUND

[0002] The pipeline is very widely used in various trades, whether it is in the field of national economy or in the field of military. However, after long-term use, dirt will accumulate in the pipeline, the pipe diameter will become smaller, and even the pipeline will be blocked. Therefore, in order to ensure the use quality of the pipeline, it is very important to clean the pipeline regularly during the use of the pipeline. During the cleaning process of the pipeline, cleaning equipment needs to be used for cleaning. The existing pipeline cleaning equipment has the following problems:

[0003] In the field of national economy, there will be dregs or oil stains left during the transportation of petroleum chemical raw materials, and some petroleum chemical pipelines will have rust marks due to long-term use. These dregs or oil stains and rust marks will affect the conveying capacity of the pipeline, and even cause blockage, affecting the transportation of petroleum chemical raw materials. The existing pipeline cleaning equipment has the disadvantages of inconvenient operation, large equipment size, and inconvenient movement and fixation when cleaning the petroleum chemical raw material conveying pipeline, which is difficult to adapt to the rapid development of industry.

[0004] In the field of military, artillery is an important weapon equipment, and the barrel is an important part of the artillery. The quality of the barrel directly affects the use safety, shooting effect and service life of the artillery. During the firing process of the artillery, a large amount of material will be left in the bore, and a large amount of adhering material will also be generated between the artillery shell and the inner wall of the barrel. Especially the residues in the corner position of the line cannon, which are very difficult to remove, have a great influence on the service life of the artillery barrel. Moreover, when the accumulation exceeds a certain degree, accidents such as pipe explosion are prone to occur. In order to improve the performance and service life of the artillery, large artillery needs to be cleaned during unsealing, firing and sealing. The existing artillery barrel cleaning equipment has the problems of large floor area, large weight, inconvenient movement, and cannot be used in army camps and wild fields. At present, the bore scrubbing work of the artillery is carried out by several soldiers pushing and pulling the strip, which not only consumes a lot of manpower, but also has low efficiency and low cleaning degree, and cannot meet and adapt to the combat requirements of modern high-tech war.

[0005] The utility model discloses a kind of high-frequency vibration pipeline cleaning equipment of China practical new type patent No.CN220005262U, piston 3 continues to move forward, finally make compressed gas from first gas guide groove 403 and second gas guide groove 501 of rear end into front gas guide pipe 502, at this time, the cavity of piston 3 front end is full of compressed gas, the cavity of piston 3 rear end is connected with outside by rear exhaust hole 7, finally compressed gas pushes piston 3 to move from front end to rear end, so circulate reciprocating, make pneumatic actuator drive cleaning device vibration.

[0006] The technical scheme of the above patent has the following technical problems,

[0007] First, when the piston moves forward and backward, exhaust can only be performed at the exhaust hole in the compression chamber, and the stroke of the piston capable of exhausting is very small, and exhaust cannot be performed after the piston blocks the exhaust hole, so that the exhaust is not smooth, resulting in insufficient vibration power of the piston;

[0008] Second, the piston slides back and forth in the shell for a long time, and the processing precision of the mating surface between the inner wall of the shell and the piston needs to be improved to ensure smoothness, which is inconvenient to process and is prone to piston jamming after long-term use.

[0009] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, and therefore needs to be improved. Practical new type content

[0010] The utility model discloses in order to solve the technical problems of prior art, provide a pipeline cleaning equipment, can prolong the exhaust time of compression chamber, make the exhaust more smooth, movement more flexible, in addition, the piston processing precision requirement is low, movement is more smooth, is not easy to jam.

[0011] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0012] A pipeline cleaning equipment, including cleaning device and for driving cleaning device's pneumatic actuating mechanism, the pneumatic actuating mechanism includes shell, front cover and piston, the shell front end is open the circular cylindrical structure, and the piston is slidably installed in the inside of shell, and the rear end of shell is equipped with air inlet, and the opening of shell front end is equipped with front cover;

[0013] The shell wall inside the shell is provided with an airflow channel, the airflow channel includes a first airflow channel and a second airflow channel, the first airflow channel is arranged in the cylinder wall of the shell, the first airflow channel has two, and the two first airflow channels are symmetrically arranged about the axis of the shell, and the second airflow channel is communicated with the air inlet;

[0014] The outer wall of the piston is provided with a second air guide groove and a first air guide groove arranged in front and back, the second air guide groove and the first air guide groove are annular air grooves, the inside of the piston is provided with a front air guide pipe and a rear air guide pipe, the front air guide pipe and the rear air guide pipe are parallel to the axis of the piston, the outer end of the front air guide pipe is communicated with the front end face of the piston, the inner end of the front air guide pipe is communicated with the first air guide groove, the outer end of the rear air guide pipe is communicated with the rear end face of the piston, and the inner end of the rear air guide pipe is communicated with the second air guide groove, the inside of the shell is coaxially provided with a hollow guide rod, the guide rod is provided with a front air passage and a rear air passage, and the front air passage and the rear air passage are symmetric about the middle position of the guide rod.

[0015] The piston is slidably installed on the guide rod, the front end of the piston is provided with a front exhaust pipe, and the rear end is provided with a rear exhaust pipe.

[0016] Further, the outer wall of the front end of the shell is fixedly connected with the front cover through screw thread cooperation, the inner side of the front cover is provided with an end plate, the end plate is pressed at the opening of the shell, the inner side of the end plate is provided with a groove, the outer end of the guide rod is inserted into the groove of the end plate, and the inner end of the guide rod is also inserted into the groove of the shell.

[0017] Further, the rear end of the shell is provided with a vent pipe in the radial direction, the inner end of the vent pipe is communicated with the groove of the shell, so that the inner cavity of the guide rod is communicated with the vent pipe.

[0018] Further, the inner end of the front vent pipe is provided with a first annular air groove, and the inner end of the rear vent pipe is provided with a second annular air groove.

[0019] Further, the front vent port extends along the axial direction of the guide rod for a certain length, and the rear vent port extends along the axial direction of the guide rod for a certain length.

[0020] Further, the cleaning device comprises a cylindrical brush assembly, clamping plates are fixed at both ends of the brush assembly, fixed screws are inserted into the brush assembly in the axial direction, and the fixed screws are fixed at the front end of the front cover through screw thread cooperation.

[0021] The above technical scheme is adopted in the utility model, and compared with the prior art, the utility model has the following advantages:

[0022] 1. A hollow guide rod is coaxially arranged in the shell, and the piston is slidingly installed on the guide rod, so that the piston moves more smoothly and is not prone to jamming.

[0023] 2. The front vent port and the rear vent port are symmetrically arranged about the middle position of the guide rod, the front end of the piston is provided with a front vent pipe, the rear end of the piston is provided with a rear vent pipe, when the piston slides from the rear end to the front end in the shell to a certain position, the inner end of the front vent pipe is communicated with the front vent port, compressed gas in the cavity of the front end of the piston is discharged through the front vent pipe and the front vent port and flows out from the inner cavity of the guide rod, so that the gas is discharged more smoothly and the piston moves more flexibly.

[0024] The utility model will be described in detail below in combination with the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is the structure schematic diagram of the utility model's outside;

[0026] Figure 2 is the structure schematic diagram of the utility model's piston's rear end;

[0027] Figure 3 is the structure schematic diagram of the utility model's piston's front end.

[0028] In the figure, 1 - shell, 101 - first air flow channel, 102 - second air flow channel, 103 - air inlet interface, 2 - front cover, 3 - piston, 301 - front air guide pipe, 302 - first air guide groove, 303 - rear air guide pipe, 304 - second air guide groove, 305 - front air exhaust pipe, 3051 - first annular air groove, 306 - rear air exhaust pipe, 3061 - second annular air groove, 4 - guide rod, 401 - front air vent, 402 - rear air vent, 5 - air pipe, 6 - end plate, 7 - fixing screw rod, 8 - clamping plate, 9 - brush assembly. DETAILED DESCRIPTION

[0029] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be described with reference to the drawings.

[0030] As shown in Figures 1-3 The utility model provides a pipeline cleaning equipment, including cleaning device and for driving cleaning device's pneumatic actuating mechanism, pneumatic actuating mechanism includes shell 1, front cover 2 and piston 3, shell 1 front end is open cylindrical structure, and piston 3 is slidably installed in the inside of shell 1, and the rear end of shell 1 is equipped with air inlet interface 103, and the opening of shell 1 front end is equipped with front cover 2.

[0031] The shell wall inside shell 1 is equipped with air flow channel, and the air flow channel includes first air flow channel 101 and second air flow channel 102, the first air flow channel 101 is arranged in the cylinder wall of shell 1, and the first air flow channel 101 has two, and the two first air flow channels 101 are symmetrically arranged about the axis of shell 1, and the second air flow channel 102 is communicated with the air inlet interface 103.

[0032] The outer wall of piston 3 is arranged with second air guide groove 304 and first air guide groove 302 in front and back, and the second air guide groove 304 and the first air guide groove 302 are annular air grooves, and the inside of piston 3 is equipped with front air guide pipe 301 and rear air guide pipe 303, the front air guide pipe 301 and the rear air guide pipe 303 are parallel to the axis of piston 3, the outer end of front air guide pipe 301 is communicated with the front end surface of piston 3, the inner end of front air guide pipe 301 is communicated with first air guide groove 302, the outer end of rear air guide pipe 303 is communicated with the rear end surface of piston 3, and the inner end of rear air guide pipe 303 is communicated with second air guide groove 304.

[0033] The hollow guide rod 4 is coaxially arranged in the inside of shell 1, and the front air vent 401 and the rear air vent 402 are arranged on the guide rod 4, and the front air vent 401 and the rear air vent 402 are symmetrical about the middle position of the guide rod 4.

[0034] The piston 3 is slidingly installed on the guide rod 4, and the piston movement is smoother and not easy to be jammed. Figure 2 When the piston 3 is slidingly installed in the outer shell 1 from the rear end to the front end to a certain position, the inner end of the front exhaust pipe 305 is communicated with the front air vent 401, so that the cavity at the front end of the piston 3 is communicated with the front exhaust pipe 305 and the front air vent 401, and the compressed gas at the front end of the piston 3 flows out from the inner cavity of the guide rod 4 to realize exhaust, and at this time, the cavity at the rear end of the piston 3 is communicated with the rear air vent 402, which does not affect the forward movement of the piston 3 because the piston 3 moves forward by inertia.

[0035] The outer wall of the front end of the outer shell 1 is fixedly connected with the front cover 2 through thread cooperation, the inner side of the front cover 2 is provided with an end plate 6, the end plate 6 is pressed at the opening of the outer shell 1, the inner side of the end plate 6 is provided with a groove, the outer end of the guide rod 4 is inserted into the groove of the end plate 6, and the inner end of the guide rod 4 is inserted into the groove of the outer shell 1.

[0036] The rear end of the outer shell 1 is provided with an air pipe 5 in the radial direction, the inner end of the air pipe 5 is communicated with the groove of the outer shell 1, so that the inner cavity of the guide rod 4 is communicated with the air pipe 5.

[0037] The inner end of the front exhaust pipe 305 is provided with a first annular air groove 3051, and the inner end of the rear exhaust pipe 306 is provided with a second annular air groove 3061.

[0038] The front air vent 401 extends in the axial direction of the guide rod 4 for a certain length, so that the length of the extension cooperates with the length of the first annular air groove 3051, and the rear air vent 402 extends in the axial direction of the guide rod 4 for a certain length, so that the length of the extension cooperates with the length of the second annular air groove 3061, so as to prolong the exhaust time.

[0039] The cleaning device comprises a cylindrical brush assembly 9, the two ends of the brush assembly 9 are fixedly provided with clamping plates 8, the brush assembly 9 is axially inserted with a fixed screw rod 7, and the fixed screw rod 7 is fixedly screwed at the front end of the front cover 2.

[0040] The specific working principle of the utility model is as follows:

[0041] When the piston 3 moves from the rear end to the front end (as shown in the figure), Figure 2), the rear guide air pipe 303 is communicated with the second guide air groove 304, the compressed air enters the air flow channel from the air inlet interface 103, and enters the rear cavity of the piston 3 from the rear guide air pipe 303, so that the piston 3 is pushed to move forward, when the piston 3 moves forward to a certain position, the first annular air groove 3051 of the inner end of the front exhaust pipe 305 is communicated with the front air vent 401, so that the cavity at the front end of the piston 3 is communicated with the front exhaust pipe 305 and the front air vent 401, and the compressed gas in the cavity at the front end of the piston 3 flows out from the inner cavity of the guide rod 4 to realize exhaust. At this time, the communication between the cavity at the rear end of the piston 3 and the rear air vent 402 does not affect the forward movement of the piston 3, because the piston 3 moves forward by inertia at this time. When the piston 3 moves from the front end to the rear end (as shown in Figure 3 ), the air is inhaled through the front guide air pipe 301 and is exhausted from the rear air vent 402, and the air flow mode is similar to that when the piston 3 moves from the rear end to the front end.

[0042] The above is an example of the best embodiment of the utility model, wherein the parts not described in detail are common knowledge of ordinary skilled in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A pipeline cleaning device, comprising a cleaning device and a pneumatic actuator for driving the cleaning device, the pneumatic actuator comprising a housing (1), a front cover (2) and a piston (3), the housing (1) being in the form of an open cylinder at the front end, the piston (3) being slidingly mounted in the housing (1), the rear end of the housing (1) being provided with an air inlet (103), and the front cover (2) being mounted at the opening of the front end of the housing (1). A gas flow channel is provided in the wall of the housing (1), the gas flow channel comprising a first gas flow channel (101) and a second gas flow channel (102), the first gas flow channel (101) being provided in the wall of the housing (1), the first gas flow channel (101) being two, the two first gas flow channels (101) being symmetrically arranged about the axis of the housing (1), and the second gas flow channel (102) being in communication with the air inlet (103). The outer wall of the piston (3) is provided with a second gas guide groove (304) and a first gas guide groove (302) arranged in front and back, the second gas guide groove (304) and the first gas guide groove (302) being annular gas grooves, the piston (3) being provided with a front gas guide pipe (301) and a rear gas guide pipe (303), the front gas guide pipe (301) and the rear gas guide pipe (303) being parallel to the axis of the piston (3), the outer end of the front gas guide pipe (301) being in communication with the front end face of the piston (3), the inner end of the front gas guide pipe (301) being in communication with the first gas guide groove (302), the outer end of the rear gas guide pipe (303) being in communication with the rear end face of the piston (3), and the inner end of the rear gas guide pipe (303) being in communication with the second gas guide groove (304). A hollow guide rod (4) is coaxially provided in the housing (1), the guide rod (4) being provided with a front air passage (401) and a rear air passage (402), the front air passage (401) and the rear air passage (402) being symmetrically arranged about the middle position of the guide rod (4). The piston (3) is slidingly mounted on the guide rod (4), the front end of the piston (3) being provided with a front exhaust pipe (305), and the rear end of the piston (3) being provided with a rear exhaust pipe (306).

2. A pipe cleaning apparatus as claimed in claim 1, characterised in that: The outer wall of the front end of the housing (1) is fixedly connected with the front cover (2) by thread cooperation, the inner side of the front cover (2) being provided with an end plate (6), the end plate (6) being pressed at the opening of the housing (1), the inner side of the end plate (6) being provided with a recess, the outer end of the guide rod (4) being inserted into the recess of the end plate (6), and the inner end of the guide rod (4) being inserted into the recess of the housing (1).

3. A pipe cleaning apparatus as claimed in claim 2, wherein: The rear end of the housing (1) is provided with an air pipe (5) in the radial direction, the inner end of the air pipe (5) being in communication with the recess of the housing (1), so that the inner cavity of the guide rod (4) is in communication with the air pipe (5).

4. A pipe cleaning apparatus as claimed in claim 1, wherein: The inner end of the front exhaust pipe (305) is provided with a first annular gas groove (3051), and the inner end of the rear exhaust pipe (306) is provided with a second annular gas groove (3061).

5. A pipe cleaning apparatus as claimed in claim 1, wherein: The front air passage (401) extends a certain length along the axial direction of the guide rod (4), and the rear air passage (402) extends a certain length along the axial direction of the guide rod (4).

6. A pipe cleaning apparatus as claimed in claim 1, characterised in that: The cleaning device comprises a cylindrical brush assembly (9), both ends of the brush assembly (9) are fixed with clamping plates (8), the brush assembly (9) is axially inserted with a fixing screw rod (7), and the fixing screw rod (7) is fixed at the front end of the front cover (2) through threads.

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