CN114952113A

CN114952113A - Sealed pipeline engineering mounting base with anti-blocking function

Info

Publication number: CN114952113A
Application number: CN202210773243.3A
Authority: CN
Inventors: 施家瑞; 郑晓龙
Original assignee: Hangzhou Yihe Hydropower Installation Engineering Co ltd
Current assignee: Hangzhou Yihe Hydropower Installation Engineering Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-08-30

Abstract

The invention discloses a sealed type mounting base with an anti-blocking function for pipeline engineering, and particularly relates to the technical field of pipeline mounting. According to the invention, the installation clamping plates, the air pipes, the air pump, the exhaust holes and the base are arranged, and the opposite surfaces of the upper four installation clamping plates and the lower four installation clamping plates are in lap joint, so that gas discharged by the air pump can enter the upper four installation clamping plates, and the gas flow discharged by the air pump can be uniformly sprayed on the surface of the pipeline in the pipeline welding process, thereby quickly reducing the temperature after the pipeline is welded, reducing the condition that workers touch the pipeline carelessly to scald and burn the pipeline in the pipeline welding process, and ensuring the safety of the workers.

Description

Sealed pipeline engineering mounting base with anti-blocking function

Technical Field

The invention relates to the technical field of pipeline installation, in particular to a sealed type pipeline engineering installation base with an anti-blocking function.

Background

The pipeline is a device for conveying gas, liquid or fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like, generally, the fluid flows from a high-pressure part to a low-pressure part of the pipeline after being pressurized by an air blowing pump, a compressor, a pump, a boiler and the like, and can also be conveyed by utilizing the pressure or gravity of the fluid, the pipeline has wide application range, is mainly used in water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices, and in order to ensure the safe operation of the pipeline and timely stop the accident expansion when the accident happens, special safety measures are also taken for some important pipelines besides a detection control instrument and a safety valve arranged on the pipeline, such as a pressure relief valve or an emergency cut-off valve arranged on the gas pipeline and the pipeline for long-distance petroleum and natural gas conveying, and the pipeline can automatically stop the conveying in time when the disastrous accident happens, to reduce disaster damage.

Chinese patent document (CN109664064A) discloses a mounting device for water pipes, which is proposed in the specification that "the pipes are basically welded during construction, so as to achieve the required mounting effect and mounting length, therefore, the pipe construction basically needs to be assembled and welded, the conventional assembly and welding are completed on the ground or on steps, but, when the vertical pipes and the horizontal pipes are welded on the supporting blocks in alignment, one person needs to fix the pipes, one person needs to align the pipes, one person needs to spot weld, at least three persons need to complete the assembly, and the pipes are easy to shake during the alignment, which causes serious misalignment, the gaps are not uniform in size, which causes the pipes to be reworked and welded again, which wastes manpower, time and efficiency, but in practical operation application, the problem of structural alignment of the pipes during the connection process can not be completely solved, the following problems therefore remain with the device described in the prior art pipe base and the cited comparative case:

at present, after connecting the pipeline, most pipeline is because the part of its connection need weld, lead to the base that is used for the installation to block the part of pipe connection easily when two sections pipelines are fixed, lead to the staff to be difficult to weld the part of pipe connection, very big influence the efficiency when installing the pipeline, and because the blocking of welding part, lead to after the welding finishes, the condition that fracture or the inside liquid of pipeline or gaseous leakage appear in the crater appears easily, and current pipeline base is when finishing the pipeline installation staff to the pipeline welding, because the high temperature that produces when the welding, lead to the stationary pipeline of needs longer time after the welding, however to the staff who is welding the pipeline if touching after the welding then cause the condition of scald burn easily.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a sealed type mounting base for pipeline engineering, which has an anti-blocking function, and the technical problem to be solved by the invention is as follows: at present, after connecting the pipeline, most pipeline is because the part of its connection need weld, lead to the base that is used for the installation to block the part of pipe connection easily when two sections pipelines are fixed, lead to the staff to be difficult to weld the part of pipe connection, very big influence the efficiency when installing the pipeline, and because the blocking of welding part, lead to after the welding finishes, the condition that fracture or the inside liquid of pipeline or gaseous leakage appear in the crater appears easily, and current pipeline base is when finishing the pipeline installation staff to the pipeline welding, because the high temperature that produces when the welding, lead to the stationary pipeline of needs longer time after the welding, however to the staff who is welding the pipeline if touching after the welding then cause the problem of scald burn easily.

In order to achieve the purpose, the invention provides the following technical scheme: based on canned type mounting base for pipeline engineering with prevent blockking up function, which comprises a base, the positive joint of base inner wall has the air pump, the gas vent of air pump is linked together with the one end of four resilient means opposite faces respectively through the blast pipe, and four resilient means are at two installation buckles of the equal fixedly connected with in outer surface, the lower surface of installation buckle passes through the bolt and is connected with the upper surface fixed of base, correspond the one end that two resilient means kept away from mutually respectively with the opposite face fixed connection of two connecting blocks, the bottom swing joint of hinge and bracing piece is passed through in the front of connecting block, the lower surface swing joint of round pin axle and fixed cardboard is passed through on the top of bracing piece, the upper surface of fixed cardboard is connected with the lower fixed surface of installation cardboard, is located the below and corresponds two installation cardboards and passes through rotary device swing joint.

As a further scheme of the invention: the quantity of installation cardboard is eight, and is located the lower surface of four installation cardboards in the below and is linked together with four tracheal tops respectively, tracheal bottom is passed the base and is linked together with the gas vent of air pump.

As a further scheme of the invention: the outer surface of the mounting clamping plate is matched with the upper surface of the fixing clamping plate, one surface, which is located below and is away from the two mounting clamping plates, is fixedly connected with the opposite surfaces of the two first clamping blocks respectively, and one surface, which is located above and is away from the two mounting clamping plates, is fixedly connected with one surface, which is located above and is away from the two second clamping blocks respectively.

As a further scheme of the invention: the opposite surfaces of the first clamping block and the second clamping block are provided with grooves, the upper surfaces and the lower surfaces of the inner walls of the two grooves are fixedly connected with the top ends and the bottom ends of the two second springs respectively, and one ends of the opposite surfaces of the two second springs are fixedly connected with the top ends and the bottom ends of the limiting rods respectively.

As a further scheme of the invention: the lower surface of the first fixture block is in threaded connection with a fastening screw, the inner walls of the two grooves are in lap joint with the outer surface of the same limiting rod, a threaded cap is arranged in the second fixture block, and the fastening screw is matched with the threaded cap.

As a further scheme of the invention: the shape of installation cardboard and fixed cardboard all sets up to the arc, is located four installation cardboard in the place ahead the back through four locating levers with be located four installation cardboard in the rear front fixed connection, four spacing slide drums of left surface fixedly connected with of locating lever inner wall correspond two spacing slide drums and sliding connection has same kelly.

As a further scheme of the invention: the last fixed surface of kelly is connected with the mounting panel, the back and the positive one end fixed connection of third spring of mounting panel, the last fixed surface that connecting block and locating lever inner wall are passed through to the one end at the third spring back is connected, the both ends of kelly all set up to the inclined plane.

As a further scheme of the invention: the lower fixed surface of locating lever inner wall is connected with the fourth spring, the top of first spring and trigger button's bottom fixed connection, the leather sheath that trigger button's upper surface set up is located the top of locating lever.

As a further scheme of the invention: spacing draw-in groove has all been seted up to trigger button's the left and right sides face, and two spacing grooves respectively with the one end looks adaptation of two kelly opposite faces, be located the back of four installation cardboards in the place ahead and be located the front of four installation cardboards in rear and all seted up a plurality of exhaust hole.

As a further scheme of the invention: the elastic device comprises a sliding sleeve, the outer surface of the sliding sleeve is fixedly connected with the inner wall of the mounting buckle, a sliding rod is connected in the sliding sleeve in a sliding mode, the right end of the sliding rod is fixedly connected with the left end of a first spring, the right end of the first spring is fixedly connected with the right side face of the inner wall of the sliding sleeve, the right end of the sliding sleeve is communicated with an air pump through an exhaust pipe, and the left end of the sliding rod is fixedly connected with the right side face of the connecting block.

The invention has the beneficial effects that:

1. according to the invention, by arranging the mounting clamping plates, the air pipes, the air pump, the exhaust holes and the base, when a worker fixes the upper mounting clamping plate and the lower mounting clamping plate through the fastening screws and the threaded caps, the pipelines need to be welded, in the process of welding the pipelines, the air pump injects air into the air pipes, when the air rapidly enters the four lower mounting clamping plates along the air pipes, the air flow can be rapidly discharged through the exhaust holes formed in the surfaces of the mounting clamping plates, so that the air flow rate on the surfaces of the pipelines is increased, the pipelines in the welding process are cooled, because the opposite surfaces of the four upper mounting clamping plates and the four lower mounting clamping plates are lapped, the air discharged by the air pump can enter the four upper mounting clamping plates, the air flow discharged by the air pump can be uniformly sprayed on the surfaces of the pipelines in the process of welding the pipelines, and the temperature of the pipelines after welding is rapidly reduced, the situation that workers are scalded and burned due to careless contact with the pipeline in the pipeline welding process is reduced, and the safety of the workers is guaranteed;

2. according to the invention, through the arrangement of the air pump and the elastic device, when the air pump runs, the sliding rods on the two sides move oppositely, the connecting block pulls the mounting clamping plates on the two sides to turn over oppositely through the supporting rod, so that the pipeline is fixed, then a worker can connect the fastening screw into the threaded cap in a threaded manner, the limiting rod slides into the groove at the moment, so that the second spring is extruded, the first clamping block and the second clamping block are pushed reversely, after the worker finishes fixing the two mounting clamping plates on the upper side and the two mounting clamping plates on the lower side through the fastening screw, the second spring can reversely push the two mounting clamping plates on the upper side and the two mounting clamping plates on the lower side to be attached, so that the friction force between the fastening screw and the threaded cap is improved, and the stability after the upper mounting clamping plate and the lower mounting clamping plate are mounted is further ensured.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of a right-side cross-sectional structure of the mounting clip of the present invention;

FIG. 3 is a schematic cross-sectional view of the front view of the present invention;

FIG. 4 is a schematic diagram of a right-view cross-sectional structure of the first clamping block of the present invention;

FIG. 5 is a schematic cross-sectional view of the positioning rod of the present invention viewed from the right;

FIG. 6 is a schematic perspective sectional view of the elastic device of the present invention;

in the figure: the air pump comprises a base 1, an air pump 2, an elastic device 3, a sliding sleeve 31, a sliding rod 32, a first spring 33, a mounting buckle 4, a connecting block 5, a supporting rod 6, a pin 7, a fixing clamping plate 8, a mounting clamping plate 9, an air pipe 10, a first clamping block 11, a second clamping block 12, a groove 13, a second spring 14, a limiting rod 15, a fastening screw 16, a threaded cap 17, a positioning rod 18, a limiting sliding barrel 19, a clamping rod 20, a mounting plate 21, a third spring 22, a fourth spring 23, a trigger button 24, a limiting clamping groove 25 and an exhaust hole 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1-6, the invention provides a mounting base for a sealing type pipeline engineering based on an anti-blocking function, which comprises a base 1, wherein an air pump 2 is clamped on the front surface of the inner wall of the base 1, an air outlet of the air pump 2 is respectively communicated with one end of each of opposite surfaces of four elastic devices 3 through an exhaust pipe 10, the outer surfaces of the four elastic devices 3 are respectively and fixedly connected with two mounting buckles 4, the lower surfaces of the mounting buckles 4 are fixedly connected with the upper surface of the base 1 through bolts, the ends far away from the corresponding two elastic devices 3 are respectively and fixedly connected with the opposite surfaces of two connecting blocks 5, the front surface of the connecting block 5 is movably connected with the bottom end of a supporting rod 6 through a hinge, the top end of the supporting rod 6 is movably connected with the lower surface of a fixed clamping plate 8 through a pin shaft 7, the upper surface of the fixed clamping plate 8 is fixedly connected with the lower surface of a mounting clamping plate 9, the two mounting clamping plates 9 positioned below are movably connected through a rotating device, through setting up installation cardboard 9, exhaust hole 26 and base 1, when gas gets into in four installation cardboards 9 of below along trachea 10 fast, the air current will be through the exhaust hole 26 quick discharge that the installation cardboard 9 surface was seted up, thereby increase the air flow rate on pipeline surface, and then cool down the pipeline in the welding process, because four installation cardboards 9 of top and four installation cardboard 9's opposite face overlap joint of below, make 2 combustion gas of air pump can get into in four installation cardboards 9 of top, make at the in-process of welded pipe, 2 combustion gas flows of air pump can be even spout the surface at the pipeline, thereby reduce the temperature behind the pipe welding fast, the condition of scald burn appears in the careless contact tube way of staff at the in-process of welded pipe has been reduced, the effect of guarantee has been played to staff safety.

As shown in fig. 1-4, the number of the mounting clamping plates 9 is eight, the lower surfaces of the four mounting clamping plates 9 located below are respectively communicated with the top ends of the four air pipes 10, the bottom ends of the air pipes 10 penetrate through the base 1 and are communicated with the air outlet of the air pump 2, the outer surfaces of the mounting clamping plates 9 are matched with the upper surface of the fixing clamping plate 8, the surfaces, away from the two mounting clamping plates 9, located below are respectively fixedly connected with the opposite surfaces of the two first clamping blocks 11, the surfaces, away from the two mounting clamping plates 9, located above are respectively fixedly connected with the surfaces, away from the two second clamping blocks 12, of the first clamping blocks 11 and the opposite surfaces of the second clamping blocks 12 are respectively provided with grooves 13, and due to the arrangement of the second springs 14 and the fastening screws 16, after the worker fixes the two mounting clamping plates 9 above and the two mounting clamping plates 9 below through the fastening screws 16, the second springs 14 can reversely push the joint of the two mounting clamping plates 9 above and the two mounting clamping plates 9 below Thereby the frictional force between fastening screw 16 and screw cap 17 has been improved, and then the stability after top installation cardboard 9 and the installation of below installation cardboard 9 have been ensured, and two recess 13 inner wall upper surfaces and lower surface respectively with the top and the bottom fixed connection of two second springs 14, the one end of two second springs 14 opposite faces respectively with the top and the bottom fixed connection of gag lever post 15, the lower surface threaded connection of first fixture block 11 has fastening screw 16, and the inner wall of two recesses 13 and the outer surface overlap joint of same gag lever post 15, be provided with screw cap 17 in the second fixture block 12, fastening screw 16 and screw cap 17 looks adaptation.

As shown in fig. 1, 2 and 5, the mounting clamping plates 9 and the fixing clamping plates 8 are all arc-shaped, the back surfaces of the four mounting clamping plates 9 positioned in front are fixedly connected with the front surfaces of the four mounting clamping plates 9 positioned in rear through four positioning rods 18, the left side surfaces of the inner walls of the positioning rods 18 are fixedly connected with four limiting sliding cylinders 19, the same clamping rod 20 is slidably connected in the corresponding two limiting sliding cylinders 19, the upper surface of the clamping rod 20 is fixedly connected with a mounting plate 21, the back surface of the mounting plate 21 is fixedly connected with one end of the front surface of a third spring 22, due to the arrangement of a trigger button 24, when a pipeline is welded, a worker can weld the blocked part of the positioning rod 18 again, so that the welded pipeline surface is ensured not to be easily cracked, the stability of the mounting base after the pipeline is mounted is improved, one end of the back surface of the third spring 22 is fixedly connected with the upper surfaces of the inner walls of the positioning rods 18 through a connecting block 5, both ends of kelly 20 all set up to the inclined plane, the lower fixed surface of locating lever 18 inner wall is connected with fourth spring 23, the top of first spring 33 and trigger button 24's bottom fixed connection, the leather sheath that trigger button 24's upper surface set up is located the top of locating lever 18, spacing draw-in groove 25 has all been seted up to trigger button 24's the left and right sides face, because of being provided with locating lever 18, make when adjusting four installation cardboard 9 in the place ahead, four installation cardboard 9 in the back also can remove thereupon, and then ensured when docking two pipelines, the difficult condition of dislocation or skew appears in the contact surface of two pipelines, and two spacing grooves respectively with the one end looks adaptation of two kelly 20 opposite faces, a plurality of exhaust hole 26 has all been seted up in the back that is located four installation cardboard 9 in the place ahead and the front that is located four installation cardboard 9 in back.

As shown in fig. 3 and 6, the elastic device 3 includes a sliding sleeve 31, the outer surface of the sliding sleeve 31 is fixedly connected with the inner wall of the mounting buckle 4, a sliding rod 32 is slidably connected in the sliding sleeve 31, the right end of the sliding rod 32 is fixedly connected with the left end of the first spring 33, due to the second spring 14, when the air pump 2 stops operating, the second spring 14 will drive the sliding rod 32 to reset under the action of the elasticity of the body, at this time, the pipeline can be taken down for replacement or maintenance, the right end of the first spring 33 is fixedly connected with the right side surface of the inner wall of the sliding sleeve 31, the right end of the sliding sleeve 31 is communicated with the air pump 2 through the exhaust pipe 10, and the left end of the sliding rod 32 is fixedly connected with the right side surface of the connecting block 5.

The working principle of the invention is as follows: when the mounting base needs to be used, only the four mounting clamping plates 9 on the lower portion need to be turned over, so that the mounting clamping plates 9 rotate slowly along the rotating device, then two pipelines to be connected can be respectively placed in the two mounting clamping plates 9 on the lower side of the front portion and the two mounting clamping plates 9 on the lower side of the rear portion, when the pipelines to be connected are located in the mounting clamping plates 9 on the lower portion, only the mounting clamping plates 9 on the two sides need to be turned over along the rotating device, when a worker needs to fix and align the pipelines through the mounting clamping plates 9, only the air pump 2 needs to be started, when the air pump 2 runs, the air pump 2 pumps outside air into the air pump 2, then the air pump 2 pumps the air in the sliding sleeve 31 through the exhaust pipe 10, at the moment, the inside of the sliding sleeve 31 is in a negative pressure state, so that the sliding rods 32 on the two sides move oppositely under the action of the air pressure, when the sliding rods 32 on the two sides move in opposite directions quickly, the connecting block 5 pulls the mounting clamping plates 9 on the two sides to turn over in opposite directions through the supporting rod 6, so as to fix the pipeline, then a worker can connect the fastening screw 16 into the threaded cap 17 in a threaded manner, at the same time, the limiting rod 15 slides into the groove 13, when the worker finishes fixing the upper mounting clamping plate 9 and the lower mounting clamping plate 9 through the fastening screw 16 and the threaded cap 17, the pipeline needs to be welded, in the pipeline welding process, the air pump 2 injects air into the air pipe 10, after the worker welds the pipeline along the pipeline connecting part, because the four positioning rods 18 obstruct the pipeline welding process, the worker only needs to press the trigger button 24 after preliminary welding the pipeline, so that the trigger button 24 moves downwards, and the clamping rod 20 in front and the clamping rod 20 in rear move in opposite directions, and is clamped into the limiting clamping groove 25, and the positioning rod 18 can be taken down at the moment.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. Sealed type mounting base for pipeline engineering based on have and prevent blockking up function, including base (1), its characterized in that: the front surface of the inner wall of the base (1) is clamped with an air pump (2), an air outlet of the air pump (2) is respectively communicated with one end of the opposite surfaces of the four elastic devices (3) through an exhaust pipe (10), and the outer surfaces of the four elastic devices (3) are fixedly connected with two mounting buckles (4), the lower surface of the mounting buckle (4) is fixedly connected with the upper surface of the base (1) through a bolt, one ends of the two elastic devices (3) which are far away from each other are respectively fixedly connected with the opposite surfaces of the two connecting blocks (5), the front surface of the connecting block (5) is movably connected with the bottom end of the supporting rod (6) through a hinge, the top end of the supporting rod (6) is movably connected with the lower surface of the fixed clamping plate (8) through a pin shaft (7), the upper surface of the fixed clamping plate (8) is fixedly connected with the lower surface of the mounting clamping plate (9), and the two mounting clamping plates (9) which are positioned below are movably connected through a rotating device.

2. The mounting base for the sealed type pipeline engineering with the anti-blocking function according to claim 1, is characterized in that: the number of the mounting clamping plates (9) is eight, the lower surfaces of the four mounting clamping plates (9) below are respectively communicated with the top ends of the four air pipes (10), and the bottom ends of the air pipes (10) penetrate through the base (1) and are communicated with the air outlet of the air pump (2).

3. The mounting base for the sealed type pipeline engineering with the anti-blocking function according to claim 1, is characterized in that: the surface of installation cardboard (9) and the upper surface looks adaptation of fixed cardboard (8), the one side that is located the below and corresponds two installation cardboard (9) and keeps away from mutually respectively with the opposite face fixed connection of two first fixture blocks (11), the one side that is located the top and corresponds two installation cardboard (9) and keep away from mutually respectively with the one side fixed connection that two second fixture blocks (12) kept away from mutually.

4. The mounting base for the sealed type pipeline engineering with the anti-blocking function according to claim 3, is characterized in that: the opposite surfaces of the first clamping block (11) and the second clamping block (12) are respectively provided with a groove (13), the upper surface and the lower surface of the inner wall of each groove (13) are respectively fixedly connected with the top end and the bottom end of each second spring (14), and one end of the opposite surface of each second spring (14) is respectively fixedly connected with the top end and the bottom end of each limiting rod (15).

5. The mounting base for the sealed type pipeline engineering with the anti-blocking function according to claim 4, is characterized in that: the lower surface of the first clamping block (11) is in threaded connection with a fastening screw (16), the inner walls of the two grooves (13) are in lap joint with the outer surface of the same limiting rod (15), a threaded cap (17) is arranged in the second clamping block (12), and the fastening screw (16) is matched with the threaded cap (17).

6. The mounting base for the sealed type pipeline engineering with the anti-blocking function according to claim 1, is characterized in that: the shape of installation cardboard (9) and fixed cardboard (8) all sets up to the arc, is located the back of four installation cardboard (9) in the place ahead through four locating levers (18) and the front fixed connection who is located four installation cardboard (9) in the rear, the left surface fixedly connected with of locating lever (18) inner wall has four spacing slide cartridge (19), and it has same kelly (20) to correspond two spacing slide cartridge (19) sliding connection.

7. The mounting base for the sealed type pipeline engineering with the anti-blocking function according to claim 1, is characterized in that: the last fixed surface of kelly (20) is connected with mounting panel (21), the back and the positive one end fixed connection of third spring (22) of mounting panel (21), the last fixed surface that connecting block (5) and locating lever (18) inner wall are passed through to the one end at third spring (22) back is connected, the both ends of kelly (20) all set up to the inclined plane.

8. The mounting base for the sealed type pipeline engineering with the anti-blocking function according to claim 7, is characterized in that: the lower surface fixedly connected with fourth spring (23) of locating lever (18) inner wall, the top of first spring (33) and the bottom fixed connection of trigger button (24), the leather sheath of the upper surface setting of trigger button (24) is located the top of locating lever (18).

9. The mounting base for the sealed type pipeline engineering with the anti-blocking function according to claim 8, wherein: spacing draw-in groove (25) have all been seted up to the left and right sides face of trigger button (24), and two spacing grooves respectively with the one end looks adaptation of two kelly (20) opposite faces, a plurality of exhaust hole (26) have all been seted up with the front that is located four installation cardboard (9) in the place ahead the back and is located four installation cardboard (9) in rear.

10. The mounting base for the sealed pipeline engineering with the anti-blocking function is characterized in that: elastic device (3) are including sliding sleeve (31), the surface of sliding sleeve (31) and the inner wall fixed connection of installation buckle (4), sliding sleeve (31) sliding connection has slide bar (32), the right-hand member of slide bar (32) and the left end fixed connection of first spring (33), the right-hand member of first spring (33) and the right flank fixed connection of sliding sleeve (31) inner wall, the right-hand member of sliding sleeve (31) is linked together through blast pipe (10) and air pump (2), the left end of slide bar (32) and the right flank fixed connection of connecting block (5).