CN110644595A

CN110644595A - Anti-blocking type drainage equipment for municipal road

Info

Publication number: CN110644595A
Application number: CN201910910083.0A
Authority: CN
Inventors: 覃冬梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-01-03

Abstract

The invention discloses an anti-blocking type drainage device for a municipal road, which structurally comprises: the invention has the beneficial effects that the floor pavement layer, the partition plate, the concrete reinforcing layer, the drainage cover plate and the sand bouncing mechanism are as follows: the problem is solved by structurally arranging the sand bouncing mechanism, the sand bouncing mechanism pushes an impeller blade of an air pressure device to rotate by utilizing impact force generated by water flow received by a water receiving pipe, compressed gas is manufactured by means of power generated by rotation of the impeller blade, gas is instantaneously filled into a vesicle device by virtue of a pressure accumulating device to rapidly inflate vesicles in the vesicle device to expand the vesicle device, silt and sand stones covered on the surface of the vesicle device are bounced off from positions of drain holes by utilizing high-strength elasticity generated by instantaneous expansion of the vesicles, when the sand stones are bounced off, the water flow is disturbed, and further the blocked silt layer is loosened to enable the silt layer to be smoothly discharged into a pipeline, so that the phenomenon that equipment is blocked to cause waterlogging can be effectively avoided.

Description

Anti-blocking type drainage equipment for municipal road

Technical Field

The invention relates to the field of municipal drainage, in particular to an anti-blocking drainage device for a municipal road.

Background

Along with the development and the transition of cities, the accumulated water removal and drainage and waterlogging standards for short-term rainstorm are required to be updated, the drainage of pipelines in cities and towns and the drainage of rivers are different, a plurality of municipal drainage devices are subjected to waterlogging after rainstorm or extra-large rainstorm weather, besides unreasonable laying factors of drainage structures, an important factor exists, namely, a thin sandstone is formed on the surface of a road under the influence of wind carrying and rolling up soil of roadside greenbelt in the daily use process of the municipal road, water flow on the road flows to municipal drainage ditches along the terrain after the rainstorm weather, the water flow carries the sandstone on the road surface to flow to the drainage holes, and impacts the greenbelt soil beside the drainage holes to cover the soil mixed sandstone on the drainage holes, although the blockage on the surface of the hole cover seriously influences the drainage performance of the municipal drainage devices, once the amount of sluicing can't keep up with rainfall then cause waterlogging calamity easily, based on above prerequisite, this case has researched and developed a town road with anti-blocking drainage equipment in order to solve this problem.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the utility model provides a town road is with preventing stifled formula drainage device which the structure includes: the floor pavement layer is arranged on the end face of the top of the partition plate, the partition plate is connected with the concrete reinforcing layer, the concrete reinforcing layer and the sand popping mechanism are mutually embedded and connected, the drainage cover plate is arranged on the top of the sand popping mechanism, the floor pavement layer is of a brick structure and is formed by paving bricks with higher strength, a gap slot is also arranged on the structure for preventing the bricks from bursting apart by using the principle of expansion with heat and contraction with cold of the bricks, and simultaneously, a small amount of water can be absorbed to avoid generating local accumulated water, the structure has strong compression resistance and can effectively meet the ground passing of small vehicles and pedestrians, the partition plate is made of high-strength stainless steel materials, has the characteristics of water resistance and rust resistance, and is mainly used for bearing the pavement layer to level the pavement layer so that the horizontal plane of the floor layer is flush with the horizontal plane of the drainage cover plate, the concrete reinforcing layer is a main supporting structure of the equipment and is used, simultaneously to the effect that the layer of mating formation and baffle play the bearing on the ground, play the installation to play sand bouncing mechanism and place and protect firm effect, the drainage apron is the drainage structures of equipment, for ore class face structure, its surface is equipped with the slot and is arranged in a large amount of water flow direction sand bouncing mechanism that the water conservancy diversion rainfall produced.

As a further technical supplement of the invention, the sand ejecting mechanism consists of a water receiving pipe, a permeation pipe, a panel, drain holes, an air pressure device, a pressure storage device and an air bag device, wherein the water receiving pipe is communicated with the permeation pipe, the top of the permeation pipe is provided with the panel, the drain holes are uniformly distributed on two sides of the panel, the air pressure device is connected with the air bag device through the pressure storage device, the air bag device is connected with the panel, the water receiving pipe is respectively arranged at the lower parts of the middle sections of two sides of the permeation pipe and is mainly used for receiving external rainwater and accumulated water generated on the rainfall pavement and uniformly collecting and converging the rainwater and the road accumulated water into the permeation pipe, the outlet position of the water receiving pipe is opposite to the impeller blade of the air pressure device, water flowing in the pipeline directly impacts the impeller blade to rotate when rushing out of the outlet of the pipeline, the left side and the right side of the water receiving pipe are divided into the left side, the water body boosting direction of two pipeline exports is the same, can accelerate the high-speed rotation of impeller blade under relative rotary-cut impact force effect, the infiltration pipe is the collection point of drainage pipe structure, be used for compiling water receiving pipe exhaust rivers and be responsible for gathering all rivers to municipal drainage pipe in unison, prevent that rivers from piling up in the pipeline, the panel is high strength rubber material panel, mainly used bullet bag device's connection carrier structure, and the side is used for and drainage cover plate interconnect, make horizontal planes between them flush each other, the wash port is used for guiding ponding infiltration downwards and flows into in the infiltration pipe.

As a further technical supplement of the invention, the air pressure device consists of a snap ring, an air cylinder, a piston, a driving connecting rod, a shell and impeller blades, wherein the snap ring is arranged at the top of the air cylinder, the air cylinder is connected with the piston, the piston is connected with the driving connecting rod, the driving connecting rod is connected with the impeller blades arranged on the surface of the shell, the snap ring is of an annular structure and is mainly used for being embedded and connected with a pressure accumulator to prevent the two from falling off in the connection and use process, the air cylinder and the piston are mutually matched for use and are mainly used for conveying air into the pressure accumulator, the air cylinder is a component mainly converting mechanical energy into pressure energy and is of a double-acting air cylinder structure, the double-acting air cylinder refers to the air cylinder with two cavities capable of respectively inputting compressed air to realize bidirectional movement, when the cylinder body is fixed, the load carried by the air cylinder and the two pistons are connected into a whole, when the cylinder body is fixed, the load carried by the cylinder body is connected with two pistons of the cylinder into a whole, compressed air sequentially enters two cavities of the cylinder, one cavity is used for air inlet and the other cavity is used for air exhaust, the piston drives the cylinder to move up and down, the driving connecting rod is in a structure connected with the impeller blades in a linkage mode, the impeller blades are vertically arranged on the surface of the shell and are formed by combining plate structures, when the impeller blades rotate at a high speed, the rotating force of the impeller blades can drive the driving connecting rod to operate, the power of the driving connecting rod is a power potential energy source of the piston and the cylinder, and the shell is used for protecting components and preventing the.

As a further technical supplement of the invention, the pressure accumulation device consists of a port pipe, a pressure limiting valve, a clamping seat, a gas injection supporting rod and a spring pressing rod, wherein the port pipe is connected with the pressure limiting valve, the pressure limiting valve is connected with the clamping seat, the gas injection supporting rod is arranged on two sides of the clamping seat, the spring pressing rod is positioned in the middle section of the clamping seat and is connected with the clamping seat, the port pipe is used for embedding and connecting a snap ring of a gas pressure device, so that the pressure limiting valve and the gas pressure device are firmly connected without falling off, the pressure limiting valve is a trigger structure of the pressure accumulation device, the pressure limiting valve can interrupt a closed state and open a structural channel for gas to pass through when the gas pressure value in the port pipe reaches a set value, the clamping seat is a component connecting carrier and is used for supporting and connecting the pressure limiting valve, the gas injection supporting rod and the spring pressing rod, the two gas injection, the gas filling device is mainly used for triggering gas to be filled into the capsule device, and a cavity in the capsule device is filled with high-pressure gas in an instantaneous high-pressure mode to be expanded.

As a further technical supplement of the invention, the capsule device consists of a through pipe, a two-way valve, an inflation rod, a capsule seat and a capsule, wherein the through pipe is connected with the inflation rod through the two-way valve, the inflation rod is connected with the capsule seat in a penetrating way, the capsule seat is provided with the capsule, the through pipe is of a cylindrical structure, the external dimension of the through pipe is matched with a clamping seat of a pressure accumulating device, the through pipe can be used as a channel structure for filling gas into the capsule device by the pressure accumulating device after the through pipe and the capsule seat are connected, the two-way valve is used as a gas pressurizing structure on one hand and can fill gas into the inflation rod in a high-pressure state to expand and form the capsule, on the other hand, the gas filled in the capsule seat can be sucked back into the pressure accumulating device through the inflation rod and is mainly suitable for controlling the construction of gas circulation, the inflation rod is of a flow pipeline structure of the gas capsule, before the vesicle is not inflated, the vesicle is mainly used for carrying gravels in accumulated water, the surface of the vesicle can be covered with silt blocking the drainage equipment after the arc-shaped concave groove of the vesicle is filled with the gravels, the vesicle is made of high-strength rubber materials, the wear resistance of the vesicle is high, the high-temperature resistance and corrosion resistance of the vesicle are realized, the requirement on the application of a municipal road can be effectively met, the vesicle is tightly attached to the arc-shaped groove on the surface of the vesicle and guides the gravels to be accumulated on the surface of the vesicle before the vesicle is inflated and inflated, and a hemispherical structure can be formed.

Advantageous effects

The invention is applied to the anti-blocking technology of municipal road drainage equipment, and mainly aims to solve the problems that water flow on a road can flow to a municipal drainage ditch along the terrain after rainstorm weather occurs, the water flow can carry sand stones on the road surface to flow to a drainage hole, and green soil beside the drainage ditch can be impacted, so that soil mixed sand stones cover the drainage hole cover to block the drainage equipment, and waterlogging is caused;

the sand-ejecting mechanism pushes the impeller blades of the air pressure device to rotate by using impact force generated by water flow received by the water receiving pipe, compressed air is produced by power generated by rotation of the impeller blades, the air is instantly filled into the vesicle device by the pressure storage device to rapidly inflate vesicles in the vesicle device to expand the vesicles, silt and sand stones covered on the surface of the vesicles are ejected from the positions of the drain holes by using high-strength elasticity generated by instant expansion of the vesicles, when the sand stones are ejected, the water flow is disturbed, the blocked silt layer is further loosened to be smoothly discharged into a pipeline, and waterlogging caused by blocking of equipment can be effectively avoided.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a sectional view showing an external structure of an anti-clogging type drainage apparatus for a town road according to the present invention.

FIG. 2 is a side sectional view of the sand ejecting mechanism of the anti-blocking drainage equipment for the municipal road.

FIG. 3 is a side sectional view of the air pressure device of the sand ejecting mechanism of the anti-blocking drainage equipment for the municipal road.

FIG. 4 is a sectional side view of the sand accumulator of the sand ejecting mechanism of the anti-blocking drainage equipment for municipal roads.

FIG. 5 is a side sectional view of the structure of a sand ejecting device of the sand ejecting mechanism of the anti-blocking drainage equipment for the municipal road.

FIG. 6 is a schematic diagram of the operation of the sand-ejecting device of the sand-ejecting mechanism of the anti-blocking drainage equipment for the municipal road.

In the figure: the device comprises a ground pavement layer-1, a partition plate-2, a concrete reinforcing layer-3, a drainage cover plate-4, a sand ejecting mechanism-5, a water receiving pipe-8, a permeation pipe-9, a panel-10, a drainage hole-11, an air pressure device-12, a pressure accumulating device-13, a capsule ejecting device-14, a snap ring-16, an air cylinder-17, a piston-18, a driving connecting rod-19, a shell-20, an impeller blade-21, a port pipe-23, a pressure limiting valve-24, a clamping seat-25, a gas injection supporting rod-26, a spring pressing rod-27, a through pipe-29, a two-way valve-30, an inflation rod-31, a capsule seat-32 and a capsule-33.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Examples

Referring to fig. 1, the present invention provides an anti-blocking type drainage apparatus for a town road, which comprises: the floor pavement layer 1 is arranged at the end face of the top of the partition plate 2, the partition plate 2 is connected with the concrete reinforcing layer 3, the concrete reinforcing layer 3 is connected with the sand bouncing mechanism 5 in an embedded mode, the water discharging cover plate 4 is arranged at the top of the sand bouncing mechanism 5, the floor pavement layer 1 is of a brick structure and is formed by paving bricks with high strength, a gap slot is also formed in the structure, the concrete reinforcing layer 3 is used for preventing the bricks from cracking under the principle of thermal expansion and cold contraction of the bricks, meanwhile, a small amount of water can be absorbed to avoid local water accumulation, the structure has strong compression resistance, small vehicles and pedestrians can effectively pass through the floor pavement layer 1, the partition plate 2 is made of high-strength stainless steel materials and has the characteristics of water resistance and rust resistance, and is mainly used for bearing the floor pavement layer 1 to level, so that the floor pavement layer 1 is flush with the water discharging cover plate 4, concrete back up coat 3 is the main part bearing structure of equipment for strengthen structural rigidity and support nature, play the effect of bearing to mat formation layer 1 and baffle 2 simultaneously, play the installation to play sand ejection mechanism 5 and place and protect firm effect, drainage cover plate 4 is the drainage structure of equipment, for ore class face structure, its surface is equipped with the slot and is arranged in a large amount of water flow direction sand ejection mechanisms 5 that the water conservancy diversion rainfall produced.

Referring to fig. 2, the present invention provides an anti-blocking type drainage apparatus for a town road, which comprises: the sand ejecting mechanism 5 is composed of a water receiving pipe 8, a permeation pipe 9, a panel 10, drain holes 11, an air pressure device 12, a pressure accumulating device 13 and an elastic bag device 14, wherein the water receiving pipe 8 is communicated with the permeation pipe 9, the top of the permeation pipe 9 is provided with the panel 10, the drain holes 11 are uniformly distributed on two sides of the panel 10, the air pressure device 12 is connected with the elastic bag device 14 through the pressure accumulating device 13, the elastic bag device 14 is connected with the panel 10, the water receiving pipe 8 is respectively arranged at the lower middle sections of two sides of the permeation pipe 9 and is mainly used for receiving external rainwater and accumulated water generated on a rainfall pavement and uniformly collecting and converging the rainwater and the road accumulated water into the permeation pipe 9, the pipeline outlet position of the water receiving pipe 8 is opposite to the impeller 21 of the air pressure device 12, water circulating in the pipeline directly impacts the impeller 21 to rotate when flushing out of the pipeline outlet, the water receiving pipe 8 is divided into the left side, left side and right side pipeline export water can impact each other and promote impeller blade 21 rotatory in the twinkling of an eye, the water body boosting's of two pipeline exports direction is the same, can accelerate impeller blade 21 high-speed rotation under relative rotary-cut impact force effect, infiltration pipe 9 is the collection point of drainage pipe structure, be used for collecting the rivers that water receiving pipe 8 is discharged and be responsible for gathering all rivers to municipal drainage pipe in unison, prevent that rivers from piling up in the pipeline, panel 10 is high strength rubber material panel, mainly used for the connection carrier structure of capsule device 14, and the side is used for with drain cover 4 interconnect, make horizontal plane between them flush each other, wash port 11 is used for guiding ponding infiltration downwards and flows into in infiltration pipe 9.

Referring to fig. 3, the present invention provides an anti-blocking type drainage apparatus for a town road, which comprises: the air pressure device 12 comprises a snap ring 16, an air cylinder 17, a piston 18, a driving connecting rod 19, a shell 20 and impeller blades 21, wherein the snap ring 16 is arranged at the top of the air cylinder 17, the air cylinder 17 is connected with the piston 18, the piston 18 is connected with the driving connecting rod 19, the driving connecting rod 19 is connected with the impeller blades 21 arranged on the surface of the shell 20, the snap ring 16 is of an annular structure and mainly used for being embedded and connected with a pressure accumulator 13 to prevent the two from falling off in the connection and use process, the air cylinder 17 and the piston 18 are mutually matched for use and mainly used for conveying air into the pressure accumulator 13, the air cylinder 17 is a component mainly converting mechanical energy into pressure energy and is of a double-acting air cylinder structure, the double-acting air cylinder refers to an air cylinder with two cavities capable of respectively inputting compressed air to realize bidirectional movement, when the air cylinder body is fixed, loads carried by the air cylinder, one cavity is used for air inlet and the other cavity for air exhaust, the piston 18 drives the workbench to move left and right, when the cylinder body is fixed, the load carried by the piston and the two pistons 18 of the cylinder are connected into a whole, compressed air sequentially enters the two cavities of the cylinder, one cavity is used for air inlet and the other cavity for air exhaust, the piston 18 drives the cylinder 17 to move up and down, the driving connecting rod 19 is a structure connected with the linkage of the impeller blades 21, the impeller blades 21 are vertically arranged on the surface of the shell 20 and are formed by combining plate structures, when the impeller blades 21 rotate at a high speed, the rotating force of the impeller blades can drive the driving connecting rod 19 to operate, the power of the driving connecting rod 19 is the power potential energy source of the pistons 18 and the cylinder 17, and the shell 20.

Referring to fig. 4, the present invention provides an anti-blocking type drainage apparatus for a town road, which comprises: the pressure accumulator 13 is composed of a port pipe 23, a pressure limiting valve 24, a clamping seat 25, gas injection supporting rods 26 and a spring pressure rod 27, the port pipe 23 is connected with the pressure limiting valve 24, the pressure limiting valve 24 is connected with the clamping seat 25, the gas injection supporting rods 26 are arranged on two sides of the clamping seat 25, the spring pressure rod 27 is located at the middle section of the clamping seat 25 and connected with the clamping seat 25, the port pipe 23 is used for being embedded and connected with a clamping ring 16 of the gas pressure device 12, so that the connection between the port pipe 23 and the pressure limiting valve 24 is firm and does not fall off, the pressure limiting valve 24 is a trigger structure of the pressure accumulator 13, the pressure limiting valve 24 can break a closed state and open a structural channel for gas to pass through when the gas pressure value in the port pipe 23 reaches a set value, the clamping seat 25 is a component connecting carrier and used for supporting and connecting the pressure limiting valve 24, the gas injection supporting rods 26 and the spring pressure rod 27, the gas injection supporting, the spring strut 27 is a central cylinder structure of a spring structure, and is mainly used for triggering gas to be filled into the capsule device 14, and filling a cavity in the capsule device 14 with high-pressure gas in an instantaneous high-pressure mode to expand the cavity.

Referring to fig. 5, the present invention provides an anti-blocking type drainage apparatus for a town road, which comprises: the capsule device 14 is composed of a through pipe 29, a two-way valve 30, an inflating rod 31, a capsule seat 32 and a capsule 33, the through pipe 29 is connected with the inflating rod 31 through the two-way valve 30, the inflating rod 31 is connected with the capsule seat 32 in a penetrating manner, the capsule seat 32 is provided with the capsule 33, the through pipe 29 is of a cylindrical structure, the outer size of the through pipe is matched with the clamping seat 25 of the pressure accumulating device 13, the through pipe 29 can be used as a channel structure for the pressure accumulating device 13 to fill gas into the capsule device 14 after the two are connected, the two-way valve 30 is used as a gas pressurizing structure on one hand, the gas can be filled into the inflating rod 31 in a high-pressure state to expand and form the capsule 33, on the other hand, the gas filled in the capsule 33 can be sucked back into the pressure accumulating device 13 through the inflating rod 31, the inflating rod 31 is mainly suitable for controlling the gas circulation, the inflating rod 31 is a flow pipeline structure for the gas filled into the capsule 33 and, the surface of the vesicle is in a concave arc shape, the vesicle is mainly used for carrying gravels in accumulated water before the vesicle 33 is not expanded, the gravels can cover the surface of the vesicle 33 together with silt blocking drainage equipment after the gravels fill the arc-shaped concave groove of the vesicle seat 32, the vesicle 33 is made of high-strength rubber materials, the wear resistance is high, the high-temperature resistance and the corrosion resistance are realized, the requirement on the application of a municipal road can be effectively met, the vesicle 33 is tightly attached to the arc-shaped groove on the surface of the vesicle seat 32 before the vesicle 33 is not inflated and expanded, the gravels are guided to be accumulated on the surface of the vesicle, and.

In the process of drainage, due to the influence of water flow, silt on the road surface can flow in a swirling manner and stagnate on the surface of drainage equipment, a certain thickness can be formed to block a drainage hole under long-time accumulation, at the moment, external rainwater is received by the water receiving pipe 8 of the sand ejecting mechanism 5, the water flow impulsive force of a accumulated water outflow pipeline generated on the road surface after rainfall directly impacts the impeller blade 21 of the air pressure device 12 to rotate, when the impeller blade 21 rotates at a high speed, the rotating force drives the driving connecting rod 19 to operate, compressed air is produced by the air cylinder 17, the air enters the pressure accumulating device 13, after being accumulated, the air rapidly inflates the air sac 33 through the two-way valve 30 and the inflating rod 31 of the air sac device 14 to expand the air sac 33, referring to fig. 6, the sand sac 33 can eject sand covered on the surface of the air sac seat 32 due to the effect similar to an arch, and the sand deposited in the water flow can be driven to diffuse outwards after the sand is ejected to loosen the accumulated, the sand and stone can flow into the drainage ditch again by means of the power of water flow, so that the blockage phenomenon is interrupted, and the waterlogging is avoided.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a town road is with preventing stifled formula drainage device which the structure includes: the floor mat formation layer (1), baffle (2), concrete back up coat (3), drainage cover plate (4), play sand mechanism (5), its characterized in that:

the ground pavement layer (1) is arranged on the end face of the top of the partition plate (2), the partition plate (2) is connected with the concrete reinforcing layer (3), the concrete reinforcing layer (3) is connected with the sand ejecting mechanism (5) in an embedded mode, and the top of the sand ejecting mechanism (5) is provided with a drainage cover plate (4).

2. The anti-blocking type drainage equipment for the municipal road according to claim 1, characterized in that: the sand ejecting mechanism (5) is composed of a water receiving pipe (8), a permeation pipe (9), a panel (10), drain holes (11), an air pressure device (12), a pressure storage device (13) and an elastic bag device (14), wherein the water receiving pipe (8) is communicated with the permeation pipe (9), the panel (10) is arranged at the top of the permeation pipe (9), the drain holes (11) are uniformly distributed on two sides of the panel (10), the air pressure device (12) is connected with the elastic bag device (14) through the pressure storage device (13), and the elastic bag device (14) is connected with the panel (10).

3. The anti-blocking type drainage equipment for the municipal road according to claim 2, characterized in that: the pneumatic device (12) is composed of a clamping ring (16), a cylinder (17), a piston (18), a driving connecting rod (19), a shell (20) and impeller blades (21), the clamping ring (16) is arranged at the top of the cylinder (17), the cylinder (17) is connected with the piston (18), the piston (18) is connected with the driving connecting rod (19), and the driving connecting rod (19) is connected with the impeller blades (21) arranged on the surface of the shell (20).

4. The anti-blocking type drainage equipment for the municipal road according to claim 2, characterized in that: the pressure accumulating device (13) is composed of a port pipe (23), a pressure limiting valve (24), a clamping seat (25), a gas injection supporting rod (26) and a spring pressing rod (27), wherein the port pipe (23) is connected with the pressure limiting valve (24), the pressure limiting valve (24) is connected with the clamping seat (25), the gas injection supporting rod (26) is arranged on two sides of the clamping seat (25), and the spring pressing rod (27) is located in the middle section of the clamping seat (25) and is connected with the clamping seat.

5. The anti-blocking type drainage equipment for the municipal road according to claim 2, characterized in that: the capsule ejecting device (14) is composed of a through pipe (29), a two-way valve (30), an inflating rod (31), a capsule seat (32) and a capsule (33), the through pipe (29) is connected with the inflating rod (31) through the two-way valve (30), the inflating rod (31) is connected with the capsule seat (32) in a penetrating mode, and the capsule seat (32) is provided with the capsule (33).