阅读说明：本技术 一种递进增压型挖藕机 (Progressive supercharging type lotus root digging machine ) 是由 吕石祥 吕龙 胡方平 张萍 任晓莉 耿友玲 于 2020-07-23 设计创作，主要内容包括：本发明提供一种递进增压型挖藕机,包括两个用于支撑整个挖藕机装置漂浮在水面上的漂浮支撑筒、用于支撑装置并传输高压气体的空心支撑板、若干个横向支撑杆、两个纵向支撑杆、气泵、用于对水底充气迫使藕脱离泥土的递进增压冲击机构和用于对挖出漂浮的藕进行清洁处理的活动清洁机构,涉及农业领域。该递进增压型挖藕机根据现有的挖藕过程中存在的问题吗,设计出利用特殊的结构将多角度冲击的气体伸入到藕的周围,对土壤产生均匀的破开力,促使藕自动脱离泥土,从而有效的解决了一般的挖藕机不方便准确的寻找藕,而且破土的冲击力较为集中,需要人为辅助菜可以将藕挖出来,不仅存在一定程度的安全隐患,也极大的影响了工作效率的问题。(The invention provides a progressive pressurization type lotus root digging machine which comprises two floating support cylinders, a hollow support plate, a plurality of transverse support rods, two longitudinal support rods, an air pump, a progressive pressurization impact mechanism and a movable cleaning mechanism, wherein the two floating support cylinders are used for supporting the whole lotus root digging machine to float on the water surface, the hollow support plate is used for supporting the device and transmitting high-pressure air, the progressive pressurization impact mechanism is used for inflating the water bottom to force lotus roots to be separated from soil, and the movable cleaning mechanism is used for cleaning the dug floating lotus roots. This advance booster-type one by one and dig lotus root machine is according to the current problem of digging lotus root in-process and exist, design out and utilize special structure to stretch into the lotus root with the gas that the multi-angle is strikeed around, produce even breaking force to soil, make the lotus root automatic break away from earth, thereby effectual solved general inconvenient accurate the seeking lotus root of digging lotus root machine, and the impact force of breaking ground is comparatively concentrated, need artificial supplementary dish can dig out the lotus root, not only there is the potential safety hazard of certain degree, also very big influence work efficiency's problem.)

1. The utility model provides a lotus root machine is dug to progressive booster-type which characterized in that: comprises two floating support cylinders (1) for supporting the whole lotus root digging device to float on the water surface, a boat body (9), a hollow support plate (2) for supporting the device and transmitting high-pressure gas, a plurality of transverse support rods (3), two longitudinal support rods (4), an air pump (5), a progressive pressurizing impact mechanism (6) for inflating the water bottom to force the lotus roots to be separated from soil and a movable cleaning mechanism (7) for cleaning the excavated floating lotus roots, wherein the floating support cylinders are sealed hollow, the surface of the floating support cylinders (1) is fixedly connected with the outer side surface of the boat body (9), the surface of the hollow support plates (2) is fixedly connected with the surface of the boat body (9) into a whole, the hollow support plates (2) are positioned in the middle of the boat body (9), and a driving device (10) for driving the boat body (9) to self-move on the water is fixedly installed on the boat body (9), two showy a support section of thick bamboo (1) is the symmetric distribution for the line of symmetry with the central line on hollow backup pad (2) surface, two the both ends of longitudinal support pole (4) respectively with two medial surface fixed connection of hull (9), the fixed surface of longitudinal support pole (4) is connected with horizontal bracing piece (3), air pump (5) fixed mounting is on horizontal bracing piece (3), the inlet end cover of air pump (5) has intake pipe (8), pressure boost impact mechanism (6) set up on hollow backup pad (2) progressively, clean mechanism (7) of activity set up on pressure boost impact mechanism (6) progressively.

2. The progressively supercharged lotus root digging machine of claim 1, wherein: go forward pressure boost impact mechanism (6) including air inlet (61), a plurality of intercommunication mouth (62), a plurality of and intercommunication mouth (62) one-to-one elastic bellows (63) and the first connecting pipe (64) of a plurality of air inlet (61) set up at the upper surface of hollow backup pad (2), the output of air pump (5) is sealed cup jointed with the one end of air inlet (61), the output of air pump (5) is provided with sealed pad (65), a plurality of with the junction of air inlet (61) intercommunication mouth (62) are set up at the lower surface of hollow backup pad (2), a plurality of intercommunication mouth (62) are equidistant matrix form and distribute.

3. The progressively supercharged lotus root digging machine of claim 2, wherein: each the equal fixedly connected with elasticity bellows (63) of inner wall of intercommunication mouth (62), the material of elasticity bellows (63) includes rubber, the expanding spring (66) of the interior roof fixedly connected with a plurality of and elasticity bellows (63) one-to-one of hollow support plate (2), the one end of expanding spring (66) extends to the inside of elasticity bellows (63), the surface of expanding spring (66) and the inner wall fixed connection of elasticity bellows (63).

4. The progressively supercharged lotus root digging machine of claim 3, wherein: the one end fixedly connected with of elasticity bellows (63) first connecting pipe (64), the one end fixedly connected with of first connecting pipe (64) first conical tube (68), the one end fixedly connected with second conical tube (69) of first conical tube (68), the one end fixedly connected with second connecting pipe (610) of second conical tube (69), the one end fixedly connected with third conical tube (611) of second connecting pipe (610), the surface of first conical tube (68) and the surface of third conical tube (611) all are thick down thin form, the surface of second conical tube (69) is thick down thin, first impact gas mouth (612) of a plurality of downward slopes is seted up to the surface of first conical tube (68), second impact gas mouth (613) of a plurality of upward slopes is seted up to the surface of second conical tube (69), third impact gas mouth (614) of a plurality of downward slopes is seted up to the surface of third conical tube (611) .

5. The progressively supercharged lotus root digging machine of claim 4, wherein: the inner wall of the communication port (62) is fixedly connected with an arc progressive pressurizing sheet (615), the arc progressive pressurizing sheet (615) is made of spring steel, one end, far away from the communication port (62), of the arc progressive pressurizing sheet (615) is fixedly connected with the inner wall of a third conical pipe (611), and a plurality of protective balls (67) distributed circumferentially are embedded near the tip of the bottom of the third conical pipe (611).

6. The progressively supercharged lotus root digging machine of claim 5, wherein: the movable cleaning mechanism (7) comprises a plurality of transverse shaking springs (71), a plurality of longitudinal shaking springs (72), a corrugated scrubbing film (73) and scrubbing brushes (74), the surfaces of the transverse shaking springs (71) are fixedly connected with the surface of the first connecting pipe (64), the surfaces of the longitudinal shaking springs (72) are fixedly connected with the surface of the first connecting pipe (64), the transverse shaking springs (71) and the longitudinal shaking springs (72) are located on the same horizontal plane, the corrugated scrubbing film (73) is fixedly connected with the surfaces of the transverse shaking springs (71), the surfaces of the corrugated scrubbing film (73) are fixedly connected with the surfaces of the longitudinal shaking springs (72), and the scrubbing brushes (74) are fixedly connected with the lower surfaces of the corrugated scrubbing films (73).

7. The progressively supercharged lotus root digging machine of claim 6, wherein: two break water slider (11), two float the equal fixedly connected with of one end of a support section of thick bamboo (1) a plurality of rivers vibrations groove (12) have all been seted up to the bottom of showy support section of thick bamboo (1), fixed mounting has total controlling device (13) on hull (9), the infrared signal of bank operating personnel remote controller can be received to the input of total controlling device (13).

Technical Field

The invention relates to the technical field of agriculture, in particular to a progressive and supercharged lotus root digging machine.

Background

The lotus root digging method has the advantages that the lotus root digging method is high in feeding value and popular among people, although the planting area of lotus roots is gradually enlarged, improvement of lotus root picking equipment is not greatly broken through, the existing lotus root digging method mainly comprises the steps of pumping water in a planted lotus root field to be pressurized and impacted to enter the water bottom, enabling pressurized water flow to impact the lotus roots to break away from soil as much as possible, and enabling the lotus roots to float by virtue of self hollow buoyancy, the lotus roots are extremely large in defect, due to the fact that water impact cannot penetrate into all angles of the lotus roots easily, the lotus roots are locally pressed when being impacted by the water flow, further many lotus roots are still buried in the soil, manual assistance is still needed, the lotus roots are accurately dug out when being impacted by hands, high-pressure water is easy to impact on human bodies, the gravity center of human bodies is prone to fall into the water, certain potential safety hazards exist, working efficiency is low, and the lotus roots need to, the general lotus root digging machine is inconvenient and accurate to find lotus roots, the impact force of soil breaking is concentrated, the lotus roots can be dug out by people through auxiliary vegetables, potential safety hazards of a certain degree exist, the working efficiency is greatly influenced, and therefore the gradually-increasing type lotus root digging machine is needed.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a progressive supercharging type lotus root digging machine, which solves the problems that a common lotus root digging machine is inconvenient and accurate to find lotus roots, the impact force of broken soil is concentrated, the lotus roots can be dug out by artificial auxiliary vegetables, not only is a certain degree of potential safety hazard exist, but also the working efficiency is greatly influenced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a progressive supercharging type lotus root digging machine comprises two floating support cylinders for supporting the whole lotus root digging machine to float on the water surface, a boat body, a hollow support plate for supporting the device and transmitting high-pressure gas, a plurality of transverse support rods, two longitudinal support rods, an air pump, a progressive supercharging impact mechanism for inflating the water bottom to force lotus roots to be separated from soil and a movable cleaning mechanism for cleaning the dug floating lotus roots, wherein the floating support cylinders are internally sealed and hollow, the surface of the floating support cylinders is fixedly connected with the outer side surface of the boat body, the surface of the hollow support plates is fixedly connected with the surface of the boat body into a whole, the hollow support plate is positioned in the middle of the boat body, a driving device for driving the boat body to self-walk on the water is fixedly arranged on the boat body, and the two floating support cylinders are symmetrically distributed by taking the central line of the surface of the hollow support plate as a symmetrical, two the both ends of longitudinal support pole respectively with two medial surface fixed connection of hull, the fixed surface of longitudinal support pole is connected with horizontal bracing piece, air pump fixed mounting is on horizontal bracing piece, the inlet end cover of air pump has connect the intake pipe, the pressure boost impact mechanism that advances sets up in hollow backup pad, the clean mechanism of activity sets up on the pressure boost impact mechanism that advances.

Preferably, the mechanism is strikeed in pressure boost that advances includes air inlet, a plurality of intercommunication mouth, a plurality of and the first connecting pipe of the elasticity bellows and a plurality of intercommunication mouth one-to-one the upper surface at hollow support plate is seted up to the air inlet, the output of air pump is sealed cup jointed with the one end of air inlet, the output of air pump is provided with sealed the pad with the junction of air inlet, a plurality of the intercommunication mouth is seted up at hollow support plate's lower surface, a plurality of the intercommunication mouth is equidistance matrix form and is distributed.

Preferably, each the equal fixedly connected with elasticity bellows of inner wall of intercommunication mouth, the material of elasticity bellows includes rubber, the interior roof fixedly connected with a plurality of and the expanding spring of elasticity bellows one-to-one of hollow support plate, expanding spring's one end extends to the inside of elasticity bellows, expanding spring's surface and the inner wall fixed connection of elasticity bellows.

Preferably, the first connecting pipe of one end fixedly connected with of elasticity bellows, the first conical tube of one end fixedly connected with of first connecting pipe the one end fixedly connected with second conical tube of first conical tube, the one end fixedly connected with second connecting pipe of second conical tube, the one end fixedly connected with third conical tube of second connecting pipe, the surface of first conical tube and the surface of third conical tube all are thick down thin form, the surface of second conical tube is thick down form, the first impact gas port of a plurality of downward sloping is seted up on the surface of first conical tube, the second impact gas port of a plurality of tilt up is seted up on the surface of second conical tube, the third impact gas port of a plurality of downward sloping is seted up on the surface of third conical tube.

Preferably, the inner wall of the communication port is fixedly connected with an arc progressive pressurizing sheet, the arc progressive pressurizing sheet is made of spring steel, one end, far away from the communication port, of the arc progressive pressurizing sheet is fixedly connected with the inner wall of a third conical pipe, and a plurality of protective balls which are distributed circumferentially are embedded near the top end of the bottom of the third conical pipe.

Preferably, the movable cleaning mechanism includes a plurality of transverse shaking springs, a plurality of longitudinal shaking springs, a corrugated brushing film and a brushing brush, the surfaces of the transverse shaking springs are fixedly connected to the surface of the first connecting pipe, the surfaces of the longitudinal shaking springs are fixedly connected to the surface of the first connecting pipe, the transverse shaking springs and the longitudinal shaking springs are located on the same horizontal plane, the corrugated brushing film is fixedly connected to the surfaces of the transverse shaking springs, the surfaces of the corrugated brushing film and the longitudinal shaking springs are fixedly connected, and the brushing brush is fixedly connected to the lower surfaces of the corrugated brushing film.

Preferably, two break water slider, two float the equal fixedly connected with of one end of a support section of thick bamboo float the bottom of a support section of thick bamboo and all seted up a plurality of rivers vibrations groove, design vibrations groove is the shake in order to utilize the effect reinforcing whole device of rivers, fixed mounting has total controlling device on the hull, the infrared signal of bank operating personnel remote controller can be received to total controlling device's input.

(III) advantageous effects

(1) The invention makes the third conical pipe move around by arranging the progressive pressurizing impact mechanism, the vibration generated by the air pump and the irregular impact of the gas on the special structure with multiple turns are utilized, the elastic corrugated pipe and the expansion spring generate the expansion elasticity, the arc progressive pressurizing sheet enhances the generated elastic impact force to force the third conical pipe to continuously extend into and separate from the soil under water, the subsequent second conical pipe and the third conical pipe also gradually enter the soil, in the process of continuously changing positions and extending into the soil, the soil around the lotus root is broken by utilizing the breaking capacity generated by the gas in the soil, and in the process, the first impact gas port, the second impact gas port and the third impact gas port expand gaps and generate multi-angle impact force for stirring the lotus root to automatically separate the soil, compared with the prior art, the invention can automatically search the lotus root and carry out multi-angle gas impact stirring on the soil and the lotus root, the work efficiency is greatly improved, and the safety risk is reduced.

(2) By arranging the movable cleaning mechanism, on one hand, the transverse shaking spring and the longitudinal shaking spring can prevent each elastic corrugated pipe and each structure below the elastic corrugated pipe from being collided and entangled, so that gas impact in a certain range underwater is uniform and comprehensive, on the other hand, the transverse shaking spring and the longitudinal shaking spring shake under the combined action of the gas impact and the vibration generated by the air pump, so that the corrugated washing bag and the washing brush can be used for comprehensively turning and washing the floating lotus roots, the steps of manually washing and cleaning the lotus roots are saved, and the working efficiency is improved.

(3) According to the problems existing in the existing lotus root digging process, the invention designs that the gas impacted at multiple angles is extended into the periphery of the lotus roots by using a special structure to generate uniform breaking force on soil, so that the lotus roots are promoted to automatically separate from the soil, and the lotus roots are automatically cleaned, thereby effectively solving the problems that a common lotus root digging machine is inconvenient and accurate to find the lotus roots, the impact force of the breaking is concentrated, the lotus roots can be dug out by needing artificial auxiliary vegetables, not only certain potential safety hazards exist, but also the working efficiency is greatly influenced.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts

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

FIG. 2 is a front view of the hollow support panel structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2;

FIG. 4 is a front view of an air scoop arrangement of the present invention;

FIG. 5 is a cross-sectional view of a resilient bellows structure of the present invention;

FIG. 6 is a top view of a corrugated scrubbing membrane structure according to the present invention.

The device comprises a floating support cylinder 1, a hollow support plate 2, a transverse support rod 3, a longitudinal support rod 4, an air pump 5, a progressive pressurizing impact mechanism 6, an air inlet 61, a communication port 62, an elastic corrugated pipe 63, a first connecting pipe 64, a sealing gasket 65, a telescopic spring 66, a protective ball 67, a first conical pipe 68, a second conical pipe 69, a second connecting pipe 610, a third conical pipe 611, a first impact air port 612, a second impact air port 613, a third impact air port 614, an arc progressive pressurizing sheet 615, a movable cleaning mechanism 7, a transverse shaking spring 71, a longitudinal shaking spring 72, a corrugated scrubbing film 73, a scrubbing brush 74, an air inlet pipe 8, a hull 9, a driving device 10, a water breaking slide block 11 and a water flow shaking groove 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings 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 fig. 1-5, the embodiment of the present invention provides a progressive supercharged lotus root digging machine, which comprises two floating support cylinders 1 for supporting the whole lotus root digging machine to float on the water surface, a hull 9, a hollow support plate 2 for supporting the device and transmitting high-pressure gas, a plurality of transverse support rods 3, two longitudinal support rods 4, an air pump 5, a progressive supercharged impact mechanism 6 for inflating the water bottom to force the lotus root to be separated from soil, and a movable cleaning mechanism 7 for cleaning the excavated and floated lotus root, wherein the floating support cylinder is internally in a closed hollow shape, the surface of the floating support cylinder 1 is fixedly connected with the outer side surface of the hull 9, the surface of the hollow support plate 2 is fixedly connected with the surface of the hull 9 into a whole, the hollow support plate 2 is located in the middle of the hull 9, a driving device 10 for driving the hull 9 to self-propel on the water is fixedly installed on the hull 9, two float and support section of thick bamboo 1 and use the central line on hollow backup pad 2 surface to be the symmetric distribution as the symmetric line, two longitudinal support rod 4's both ends respectively with two medial surface fixed connection of hull 9, longitudinal support rod 4's fixed surface is connected with horizontal bracing piece 3, air pump 5 fixed mounting is on horizontal bracing piece 3, air inlet pipe 8 has been cup jointed to the inlet end of air pump 5, the pressure boost impact mechanism 6 that advances one by one sets up on hollow backup pad 2, the clean mechanism 7 setting of activity is on pressure boost impact mechanism 6 that advances one by one.

The progressive pressurizing impact mechanism 6 comprises an air inlet 61, a plurality of communicating ports 62, a plurality of elastic corrugated pipes 63 corresponding to the communicating ports 62 one by one, and a plurality of first connecting pipes 64, wherein the air inlet 61 is arranged on the upper surface of the hollow support plate 2, the output end of the air pump 5 is hermetically sleeved with one end of the air inlet 61, a sealing gasket 65 is arranged at the joint of the output end of the air pump 5 and the air inlet 61, the communicating ports 62 are arranged on the lower surface of the hollow support plate 2, the communicating ports 62 are distributed in an equidistant matrix shape, the inner wall of each communicating port 62 is fixedly connected with one elastic corrugated pipe 63, the elastic corrugated pipe 63 is made of rubber, the inner top wall of the hollow support plate 2 is fixedly connected with a plurality of expansion springs 66 corresponding to the elastic corrugated pipes 63 one by one, one end of each expansion spring 66 extends into the elastic corrugated pipe 63, and the surface of each expansion spring 66, one end of the elastic corrugated pipe 63 is fixedly connected with a first connecting pipe 64, one end of the first connecting pipe 64 is fixedly connected with a first conical pipe 68, one end of the first conical pipe 68 is fixedly connected with a second conical pipe 69, one end of the second conical pipe 69 is fixedly connected with a second connecting pipe 610, one end of the second connecting pipe 610 is fixedly connected with a third conical pipe 611, the surface of the first conical pipe 68 and the surface of the third conical pipe 611 are both in a shape of being thick at the top and thin at the bottom, the surface of the second conical pipe 69 is in a shape of being thin at the top and thick at the bottom, the surface of the first conical pipe 68 is provided with a plurality of first impact air ports 612 inclined downwards, the surface of the second conical pipe 69 is provided with a plurality of second impact air ports 613 inclined upwards, the surface of the third conical pipe 611 is provided with a plurality of third impact air ports 614 inclined downwards, the inner wall of the communicating port 62 is fixedly connected with an arc progressive pressurizing, one end of the arc-shaped progressive pressurizing sheet 615, which is far away from the communication port 62, is fixedly connected with the inner wall of the third conical pipe 611, and a plurality of protective balls 67 which are circumferentially distributed are embedded near the bottom tip of the third conical pipe 611.

The movable cleaning mechanism 7 comprises a plurality of transverse shaking springs 71, a plurality of longitudinal shaking springs 72, a corrugated brushing film 73 and brushing brushes 74, the surface of the transverse shaking springs 71 is fixedly connected with the surface of the first connecting pipe 64, the surface of the longitudinal shaking springs 72 is fixedly connected with the surface of the first connecting pipe 64, the transverse shaking springs 71 and the longitudinal shaking springs 72 are positioned on the same horizontal plane, the corrugated brushing film 73 is fixedly connected with the surface of the transverse shaking springs 71, the surface of the corrugated brushing film 73 is fixedly connected with the surface of the longitudinal shaking springs 72, the brushing brushes 74 are fixedly connected with the lower surface of the corrugated brushing film 73, one end of each of the two floating supporting cylinders 1 is fixedly connected with a water breaking slide block 11, the bottoms of the two floating supporting cylinders 1 are respectively provided with a plurality of water flow vibration grooves 12, a master control device 13 is fixedly installed on the ship body 9, and the input end of the master control device 13 can receive infrared signals of a remote controller of an operator on the shore.

When the device is used, a power supply is connected, the ship body 9 is placed on the water surface, the driving device 10 is started, the driving device 10 drives the ship body 9 to walk on the water surface, an operator sends a signal to the master control device 13 through the remote control device on the bank to control the stop, movement and direction rotation of the ship body 9, the ship body moves to a certain area, the air pump 5 is started, the air pump 5 pumps air through the air inlet pipe 8 and inputs air into the hollow supporting plate 2 through the output end, meanwhile, the air pump 5 vibrates to drive the whole device to vibrate, the water flow vibration groove 12 enhances vibration through water flow, the impacted air impacts enter the elastic corrugated pipe 63 and then enter the first connecting pipe 64, the first conical pipe 68, the second connecting pipe 610 and the third conical pipe 611, and when the air flow passes through the structures, the air flow is subjected to unstable space change, and the first connecting pipe 64, the, The first conical pipe 68, the second connecting pipe 610 and the third conical pipe 611 shake at multiple angles, the third conical pipe 611 firstly and continuously enters and exits soil, when the lotus roots are encountered, the third conical pipe is blocked by the lotus roots and continuously shakes and breaks the figures near the lotus roots, then the third conical pipe 611 continuously descends and shakes, the first impact air port 612, the second impact air port 613 and the third impact air port 614 on the first conical pipe 68, the second conical pipe 69 and the third conical pipe 611 generate impact air flows at multiple angles near the lotus roots, the air flows unstably break the soil and enhance upward buoyancy to the lotus roots, the lotus roots float below the corrugated scrubbing membrane 73 away from the soil, the air flows impact the lotus roots to turn over, and the vibrating longitudinal shaking spring 72 and the vibrating transverse shaking spring 71 drive the corrugated scrubbing membrane 73 and the scrubbing brushes 74 to scrub the lotus roots.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.