Supplementary rotatory broken material device that unloads ash

文档序号:282444 发布日期:2021-11-23 浏览:18次 中文

阅读说明:本技术 一种辅助卸灰旋转破料装置 (Supplementary rotatory broken material device that unloads ash ) 是由 毕学东 段煦泓 于 2021-08-26 设计创作,主要内容包括:本发明公开了一种辅助卸灰旋转破料装置,包括蓄料罐、起料机构和破料机构,所述蓄料罐包括罐体和出料管,所述出料管安装在罐体的下端,且出料管与罐体密封固定连接,所述起料机构安装在罐体的中部,且起料机构与罐体固定连接,所述破料机构安装在出料管的内部,且破料机构与出料管固定连接,保证使用者需要使用的时候可以稳定的在罐体的内部安装起料机构,方便使用的时候使用者可以通过控制起料机构来对罐体内部的原料来进行活动,避免原料在灰仓内部出现结块而导致无法正常排出的情况,同时为了避免原料在出料管中出现积压堆积而造成排流不畅的情况,使用者可以在出料管的中部稳定的安装相应的破料机构。(The invention discloses an auxiliary ash-discharging rotary breaking device, which comprises a material storage tank, a material lifting mechanism and a material breaking mechanism, wherein the material storage tank comprises a tank body and a discharge pipe, the discharge pipe is arranged at the lower end of the tank body, the discharging pipe is fixedly connected with the tank body in a sealing way, the material lifting mechanism is arranged in the middle of the tank body and fixedly connected with the tank body, the material breaking mechanism is arranged in the discharging pipe, the material breaking mechanism is fixedly connected with the material discharging pipe, so that the material lifting mechanism can be stably arranged in the tank body when a user needs to use the material breaking mechanism, the user can move the raw materials in the tank body by controlling the material lifting mechanism when the material breaking mechanism is convenient to use, the situation that the raw materials are caked in the ash bin to cause abnormal discharge is avoided, meanwhile, in order to avoid the situation that the drainage is not smooth due to the accumulation and accumulation of raw materials in the discharge pipe, a user can stably install a corresponding material breaking mechanism in the middle of the discharge pipe.)

1. The utility model provides an supplementary rotatory material device that breaks that unloads ash, includes holds material jar (1), plays material mechanism (2) and breaks material mechanism (3), its characterized in that: hold material jar (1) including a jar body (11) and discharging pipe (12), the lower extreme at jar body (11) is installed in discharging pipe (12), and discharging pipe (12) and jar body (11) sealed fixed connection, material lifting mechanism (2) are installed at the middle part of jar body (11), and material lifting mechanism (2) and jar body (11) fixed connection, material breaking mechanism (3) are installed in the inside of discharging pipe (12), and material breaking mechanism (3) and discharging pipe (12) fixed connection.

2. The rotary ash-discharging material breaking device according to claim 1, wherein the material lifting mechanism (2) comprises a support frame (21), a rotating mechanism (22) and a vertical cone frame (23), the rotating mechanism (22) is installed in the middle of the support frame (21), the rotating mechanism (22) is rotatably connected with the support frame (21), the vertical cone frame (23) is installed in the middle of the rotating mechanism (22), and the vertical cone frame (23) is rotatably connected with the rotating mechanism (22).

3. The auxiliary ash discharging rotary material breaking device according to claim 2, wherein the supporting frame (21) comprises a bending frame (211) and arc plates (212), the arc plates (212) are symmetrically arranged at two ends of the bending frame (211), and the arc plates (212) and the bending frame (211) are integrally formed.

4. The auxiliary ash discharging rotary material breaking device according to claim 3, wherein the rotary mechanism (22) comprises eccentric wheels (221) and a middle shaft (222), the eccentric wheels (221) are symmetrically arranged at two ends of the middle shaft (222), and the eccentric wheels (221) are rotatably connected with the middle shaft (222).

5. The auxiliary ash discharging rotary material breaking device according to claim 4, wherein an angle motor (213) is further installed in the middle of the bending frame (211), an output end of the angle motor (213) is connected with an eccentric wheel (221), and the angle motor (213) is fixedly connected with the bending frame (211).

6. The rotary ash-discharging material-breaking device according to claim 5, wherein the vertical cone frame (23) comprises a vertical rod (231) and a conical support (232), the conical support (232) is installed at the lower end of the vertical rod (231), and the conical support (232) is fixedly connected with the vertical rod (231).

7. The rotary ash-discharging material breaking device as claimed in claim 6, wherein the head of the vertical rod (231) is provided with a rotary sleeve (233) which is matched with the central shaft (222), the rotary sleeve (233) and the vertical rod (231) are integrally formed, and the rotary sleeve (233) is rotatably connected with the central shaft (222).

8. The rotary material-breaking device for auxiliary ash discharge according to claim 1, characterized in that the material-breaking mechanism (3) comprises a low-speed motor (31) and disturbance teeth (32), the low-speed motor (31) is vertically and fixedly installed on the inner wall of the discharge pipe (12), and the disturbance teeth (32) are installed at the output end of the low-speed motor (31).

9. The rotary ash-discharging material-breaking device according to any one of claims 1 to 8, wherein a heat insulating layer (111) is arranged on the outer side surface of the tank body (11), the heat insulating layer (111) is fixedly connected with the tank body (11), a sealing cover (112) is further mounted on the upper end surface of the tank body (11), and the sealing cover (112) is fixedly connected with the tank body (11).

10. The rotary ash-discharging material-breaking device according to claim 9, wherein an ash discharge valve (121) is further mounted at the lower end of the discharge pipe (12), and the ash discharge valve (121) is fixedly connected with the discharge pipe (12).

Technical Field

The invention relates to the technical field of dust removal ash bins, in particular to an auxiliary ash discharge rotary material breaking device.

Background

The traditional dedusting ash bin and dedusting ash conveying system only comprises a conical ash bucket, an ash bucket heat tracing and heat preservation device, a gate valve, a star-shaped ash discharging valve, an ash conveying belt or an air conveying bin pump and the like, and all steel enterprises in northern areas have the problems of difficulty in dedusting ash discharging in winter, high steam consumption, high power consumption cost, high labor intensity of workers and the like, so that the stable operation of environmental protection facilities is ensured, the comprehensive consideration of dimensions such as technical innovation, investment saving, operation cost reduction, convenience in maintenance and the like is required, and the stable operation of production is ensured by an auxiliary ash discharging device with strong applicability.

The inventor of this application discovers, and current dust removal ash bin designs outside steam ring pipe heating and keeps warm or adopts electrical heating heat preservation facility, but often can't resist the extremely cold weather in northern area, and then causes the lower condition of dust removal ash bin internal temperature easily, and northern area winter time is long, ambient temperature is low and dust removal ash humidity is big simultaneously, causes the dust removal ash to dewet in ash bin easily, leads to the dust removal ash not unloading in the storehouse of expanding.

Disclosure of Invention

The invention aims to provide an auxiliary ash discharging rotary material breaking device, aiming at solving the problems that although an external steam circular pipe is designed for heating and heat preservation or an electric heating and heat preservation facility is adopted in the existing ash removal bin, the existing ash removal bin can not resist extremely cold weather in northern areas, so that the internal temperature of the ash removal bin is low, and meanwhile, in northern areas, the time is long in winter, the environmental temperature is low, the humidity of the ash removed is high, the moisture condensation of the ash removed in the ash bin is easy to cause, and the ash removed is expanded and does not fall into the bin.

The invention is realized by the following steps:

a rotary material breaking device for assisting in discharging ash comprises a material storage tank, a material lifting mechanism and a material breaking mechanism, wherein the material storage tank comprises a tank body and a material discharging pipe, the material discharging pipe is arranged at the lower end of the tank body and is fixedly connected with the tank body in a sealing manner, the material lifting mechanism is arranged in the middle of the tank body and is fixedly connected with the tank body, the material breaking mechanism is arranged inside the material discharging pipe and is fixedly connected with the material discharging pipe, a heat insulation layer is arranged on the outer side of the tank body to further increase the heat insulation effect of the tank body, the device can be conveniently installed and used at a position with lower temperature, meanwhile, a user can install a corresponding heat insulation material or a heating mechanism between the tank body and the heat insulation layer to ensure the temperature of raw materials inside the tank body to the maximum extent, and meanwhile, after the raw materials are stored, the upper ends of the tank body and the heat insulation layer are sealed and used through a sealing cover, when a user needs to discharge materials, an ash discharging valve on the discharging pipe can be stably controlled to open the discharging pipe, meanwhile, the user can link the start-stop signal of the low-speed motor and the ash discharging valve, namely, the low-speed motor can be opened step by step when the ash discharging valve is opened, and the low-speed motor can be closed step by step when the ash discharging valve is closed, so that the low-speed motor can stably drive the disturbance teeth to rotate in the discharging process of the discharging pipe, and further, the raw materials are dispersed and discharged through the disturbance teeth, the purpose of improving the flowability of the raw materials is achieved, if the flow rate of the raw materials is slow after the material breaking mechanism is started, the raw materials in the tank are compacted, the user can start the material lifting mechanism in the tank to assist in discharging materials, and the motor can stably drive the eccentric wheel to rotate by controlling the angle, the cone frame can be ensured to move up and down in a reciprocating manner through the central shaft, so that the purpose of stable downward flow can be realized by driving local raw materials to move through the cone support in the moving process of the cone frame, the condition of compaction of raw materials in the tank body is broken through, the problem that the existing dust removal ash bin cannot resist extremely cold weather in northern areas and further easily causes the condition of low internal temperature of the dust removal ash bin due to the fact that an external steam ring pipe is designed for heating and heat preservation or an electric heating and heat preservation facility is adopted is effectively solved, meanwhile, the problems that the dust removal ash is prone to dewing in the ash bin and not discharging the dust removal ash due to the fact that the dust removal ash is prone to be expanded in the northern areas due to long winter time, low environmental temperature and high dust removal ash humidity in the northern areas are solved, the raw materials can be stably stored through the tank body for use through the structural arrangement of the material storage tank, and the raw materials in the tank body can be stably discharged to the outside through the arrangement of the material discharge pipe, the structure setting through to the material lifting mechanism guarantees that the user can be stable through controlling it to break the material use to jar raw materials of internal portion, guarantees through the setting to breaking the material mechanism simultaneously to break the material to the inside raw materials of discharging tube.

Furthermore, the material lifting mechanism comprises a support frame, a rotating mechanism and a vertical conical frame, the rotating mechanism is installed in the middle of the support frame and is connected with the support frame in a rotating mode, the vertical conical frame is installed in the middle of the rotating mechanism and is connected with the rotating mechanism in a rotating mode, the structure of the material lifting mechanism is arranged to ensure that a user can stably use the installation rotating mechanism through the support frame, the rotating mechanism can stably drive the vertical conical frame to move back and forth in the tank body, and the purpose of decomposing the raw materials in the tank body is guaranteed through the vertical conical frame.

Further, the support frame includes bending frame and arc, the arc symmetry sets up at bending frame's both ends, and the arc with bending frame integrated into one piece, guarantee through the structure setting to the support frame that the user can be stable come to fix bending frame on the inner wall of jar body through the arc, guarantee the stability of bending frame in the use.

Furthermore, the rotating mechanism comprises eccentric wheels and a middle shaft, the eccentric wheels are symmetrically arranged at two ends of the middle shaft and are rotatably connected with the middle shaft, the structural arrangement of the rotating mechanism ensures that a user can stably connect the eccentric wheels at the two ends with each other through the middle shaft, and the purpose of rotating the middle shaft by driving the middle shaft through the eccentric wheels when in use is ensured, so that the middle shaft vertical cone frame moves.

Furthermore, an angle motor is further installed in the middle of the bending frame, the output end of the angle motor is connected with the eccentric wheel, the angle motor is fixedly connected with the bending frame, the angle motor is arranged to control the angle motor to drive the eccentric wheel to rotate at any angle flexibly, and the user can flexibly control the device to use conveniently.

Further, the vertical cone frame comprises a vertical rod and a conical support, the conical support is installed at the lower end of the vertical rod and fixedly connected with the vertical rod, the conical support is installed through the vertical rod and can be stably installed by a user through the structural arrangement of the vertical cone frame, the vertical rod can be driven to drive the conical support to move synchronously, and the conical support can be used for breaking materials of raw materials.

Furthermore, the head of the upright rod is provided with a rotating sleeve matched with the middle shaft, the rotating sleeve and the upright rod are integrally formed and are rotatably connected with the middle shaft, the middle shaft and the upright rod are mutually connected through the arrangement of mutually matching the rotating sleeve and the middle shaft, and the purpose that equipment drives the upright rod to move through the middle shaft is facilitated.

Further, it includes low rotational speed motor and disturbance tooth to break material mechanism, the perpendicular fixed mounting of low rotational speed motor is on the inner wall of discharging pipe, the output at low rotational speed motor is installed to the disturbance tooth, and the structure setting through breaking material mechanism guarantees that the user can be stable control low rotational speed motor drives the disturbance tooth and breaks the material operation to the raw materials at discharging pipe middle part, guarantees the better purpose that passes discharging pipe exhaust of raw materials.

Further, be provided with the heat insulating layer on the lateral surface of the jar body, heat insulating layer and jar body fixed connection, sealed lid is still installed to the up end of the jar body, sealed lid and jar body fixed connection guarantee to increase the heat preservation effect of the jar body through the setting to the heat insulating layer, and the while is used through packing the internal portion of jar that sets up to sealed lid that convenience of customers is better.

Furthermore, the lower extreme of discharging pipe still installs the ash discharge valve, ash discharge valve and discharging pipe fixed connection guarantee the break-make of control discharging pipe that the user can be better through setting up the ash discharge valve, let the user can be better control the use.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, through researching the traditional dust removal ash bin structure and the using process, the auxiliary ash discharge rotary breaking device is designed, the situation that a material lifting mechanism can be stably installed inside the tank body when a user needs to use the device is ensured, the user can move the raw material inside the tank body by controlling the material lifting mechanism when the device is convenient to use, the situation that the raw material cannot be normally discharged due to agglomeration inside the ash bin is avoided, meanwhile, the situation that the drainage is not smooth due to accumulation and accumulation of the raw material in a discharge pipe is avoided, the user can stably install the corresponding material breaking mechanism in the middle of the discharge pipe, and further, the purpose that the raw material entering the discharge pipe is dispersed through the material breaking mechanism is achieved, so that the raw material is smoothly distributed to the outside is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

FIG. 2 is a front view of the device of FIG. 1;

FIG. 3 is a cross-sectional view of the device of FIG. 2 taken along the line A-A;

FIG. 4 is a schematic diagram of the structure of the accumulator tank shown in FIG. 1;

FIG. 5 is a perspective view of the support bracket and rotary mechanism of FIG. 3 in cooperation;

FIG. 6 is a front view of the device of FIG. 5;

FIG. 7 is a perspective view of the awl holder of FIG. 3;

fig. 8 is a perspective view of the material breaking mechanism shown in fig. 1.

In the figure: 1. a material storage tank; 11. a tank body; 111. a thermal insulation layer; 112. a sealing cover; 12. a discharge pipe; 121. an ash discharge valve; 2. a material lifting mechanism; 21. a support frame; 211. a bending frame; 212. an arc-shaped plate; 213. an angle motor; 22. a rotation mechanism; 221. an eccentric wheel; 222. a middle shaft; 23. erecting a cone frame; 231. erecting a rod; 232. a conical support; 233. rotating the sleeve; 3. a material breaking mechanism; 31. a low rotational speed motor; 32. perturbing the teeth.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, an auxiliary ash discharging rotary material breaking device comprises a material storage tank 1, a material lifting mechanism 2 and a material breaking mechanism 3, wherein the material storage tank 1 comprises a tank body 11 and a material discharging pipe 12, the structural arrangement of the material storage tank 1 ensures that a user can stably store raw materials through the tank body 11 for use, the material discharging pipe 12 ensures that the raw materials in the tank body 11 can be stably discharged to the outside, the material discharging pipe 12 is arranged at the lower end of the tank body 11, and the material discharging pipe 12 is fixedly connected with the tank body 11 in a sealing manner, the auxiliary ash discharging rotary material breaking device is designed by researching the structure and the use process of a traditional ash removing bin, the material lifting mechanism 2 is stably arranged in the tank body 11 when the user needs to use, and the user can move the raw materials in the tank body 11 by controlling the material lifting mechanism 2 when the user needs to use conveniently, the condition that the raw materials are agglomerated inside an ash bin to cause abnormal discharge is avoided, meanwhile, the condition that the drainage is not smooth due to the accumulation and accumulation of the raw materials in a discharge pipe 12 is avoided, a user can stably install a corresponding material breaking mechanism 3 in the middle of the discharge pipe 12, and further, the raw materials entering the discharge pipe 12 are dispersed through the material breaking mechanism 3, so that the purpose that the raw materials are smoothly dispensed to the outside is achieved, meanwhile, a heat insulation layer 111 is arranged on the outer side of a tank body 11 to further increase the heat insulation effect of the tank body 11, the equipment can be conveniently installed and used at a position with lower temperature, meanwhile, the user can install a corresponding heat insulation material or a heating mechanism between the tank body 11 and the heat insulation layer 111 to ensure the temperature of the raw materials inside the tank body 11 to the maximum extent, and meanwhile, the upper ends of the tank body 11 and the heat insulation layer 111 need to be sealed and used through a sealing cover 112 after the raw materials are stored well, when a user needs to discharge materials, the user can stably control the ash discharging valve on the discharging pipe 12 to open the discharging pipe 12, and simultaneously, the user can interlock the start-stop signal of the low-speed motor 31 and the ash discharging valve, that is, the low-speed motor 31 can be opened step by step when the ash discharging valve is opened, and the low-speed motor 31 can be closed step by step when the ash discharging valve is closed, so that the low-speed motor 31 can stably drive the disturbance teeth 32 to rotate in the discharging process of the discharging pipe 12, further, the raw materials are dispersed and discharged through the disturbance teeth 32, the purpose of increasing the flowability of the raw materials is achieved, when the flow rate of the raw materials is slow after the material breaking mechanism 3 is started, it is indicated that the raw materials in the tank 11 are compacted, the user can start the material lifting mechanism 2 in the tank 11 to assist the discharging, and stably drive the eccentric wheel 221 to rotate through controlling the angle motor 213, the cone support 23 is ensured to reciprocate through the central shaft 222, so that the cone support 232 can drive local raw materials to move in the moving process of the cone support 23, the condition of compaction of the raw materials in the tank body 11 is broken, the purpose of stable downward flow is realized, and the problems that the existing dust removal ash bin cannot resist extremely cold weather in northern areas and the temperature in the dust removal ash bin is low due to the fact that an external steam ring pipe is designed for heating and heat preservation or an electric heating and heat preservation facility is adopted are effectively solved;

the outer side surface of the tank body 11 is provided with a heat insulation layer 111, the heat insulation layer 111 is fixedly connected with the tank body 11, the upper end surface of the tank body 11 is further provided with a sealing cover 112, the sealing cover 112 is fixedly connected with the tank body 11, the heat insulation effect of the tank body 11 is ensured to be increased through the arrangement of the heat insulation layer 111, meanwhile, the sealing cover 112 is arranged to facilitate a user to better fill the interior of the tank body 11 for use, the lower end of the discharge pipe 12 is further provided with an ash discharge valve 121, the ash discharge valve 121 is fixedly connected with the discharge pipe 12, the ash discharge valve 121 is arranged to ensure that the user can better control the on-off of the discharge pipe 12, and the user can better control the use;

the material lifting mechanism 2 is arranged in the middle of the tank body 11, the material lifting mechanism 2 is fixedly connected with the tank body 11, the material lifting mechanism 2 is structurally arranged to ensure that a user can stably break the raw materials in the tank body 11 by controlling the material lifting mechanism 2, the material lifting mechanism 2 comprises a support frame 21, a rotating mechanism 22 and a vertical cone frame 23, the rotating mechanism 22 is arranged in the middle of the support frame 21, the rotating mechanism 22 is rotatably connected with the support frame 21, the vertical cone frame 23 is arranged in the middle of the rotating mechanism 22, the vertical cone frame 23 is rotatably connected with the rotating mechanism 22, the rotating mechanism 22 is stably arranged by the support frame 21 to ensure that the user can stably install the rotating mechanism 22 for use, the rotating mechanism 22 can stably drive the vertical cone frame 23 to reciprocate in the tank body 11, and the raw materials in the tank body 11 are further decomposed by the vertical cone frame 23, the supporting frame 21 comprises a bending frame 211 and arc plates 212, the arc plates 212 are symmetrically arranged at two ends of the bending frame 211, the arc plates 212 and the bending frame 211 are integrally formed, the structural arrangement of the supporting frame 21 ensures that a user can stably fix the bending frame 211 on the inner wall of the tank body 11 through the arc plates 212 and ensure the stability of the bending frame 211 in the using process, the rotating mechanism 22 comprises eccentric wheels 221 and a middle shaft 222, the eccentric wheels 221 are symmetrically arranged at two ends of the middle shaft 222, the eccentric wheels 221 are rotatably connected with the middle shaft 222, the structural arrangement of the rotating mechanism 22 ensures that the user can stably connect the eccentric wheels 221 at two ends with each other through the middle shaft 222, the purpose of rotating the middle shaft 222 through the eccentric wheels 221 is ensured in the using process, and further, the cone frame 23 is erected through the middle shaft 222, the angle motor 213 is further arranged in the middle of the bending frame 211, the output end of the angle motor 213 is connected with the eccentric wheel 221, and the angle motor 213 is fixedly connected with the bending frame 211, the arrangement of the angle motor 213 ensures that a user can control the angle motor to drive the eccentric wheel 221 to rotate freely, which is convenient for the user to control and use flexibly outside the device, the vertical cone frame 23 comprises a vertical rod 231 and a conical support 232, the conical support 232 is arranged at the lower end of the vertical rod 231, the conical support 232 is fixedly connected with the vertical rod 231, the structural arrangement of the opposite cone frame 23 ensures that the user can stably install the conical support 232 through the vertical rod 231, the vertical rod 231 can drive the conical support 232 to move synchronously, so that the conical support 232 can break the raw material for use, the head of the vertical rod 231 is provided with a rotating sleeve 233 matched with the middle shaft 222, the rotating sleeve 233 and the vertical rod 231 are integrally formed, and the rotating sleeve 233 is rotatably connected with the middle shaft 222, the middle shaft 222 and the upright rod 231 are connected with each other through the arrangement of the mutual matching of the rotating sleeve 233 and the middle shaft 222, so that the equipment can conveniently drive the upright rod 231 to move through the middle shaft 222;

broken material mechanism 3 installs the inside at discharging pipe 12, and broken material mechanism 3 and discharging pipe 12 fixed connection, guarantee to break the material to the inside raw materials of discharging pipe 12 through the setting to breaking material mechanism 3 simultaneously, broken material mechanism 3 includes low-speed motor 31 and disturbance tooth 32, the perpendicular fixed mounting of low-speed motor 31 is on the inner wall of discharging pipe 12, the output at low-speed motor 31 is installed to disturbance tooth 32, guarantee through the structure setting to breaking material mechanism 3 that the user can be stable control low-speed motor 31 and drive the raw materials of disturbance tooth 32 to discharging pipe 12 middle part and break the material operation, guarantee the better mesh of passing discharging pipe 12 discharge of raw materials.

The device obtained by the design can basically meet the use requirement of the auxiliary ash discharging rotary material breaking device, but the designer further improves the device with the aim of further improving the function.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

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