Inclined plane jacking arm-pulling carriage direct-hanging roll-over stand and garbage transfer system

文档序号:1014426 发布日期:2020-10-27 浏览:43次 中文

阅读说明:本技术 斜面顶升拉臂车箱直挂翻转架及垃圾转运系统 (Inclined plane jacking arm-pulling carriage direct-hanging roll-over stand and garbage transfer system ) 是由 柳洁 李卿 杜小英 闫强 王秦未 张卫新 靳智敏 郭宏波 薛普 于 2020-07-06 设计创作,主要内容包括:本发明涉及斜面顶升拉臂车箱直挂翻转架及垃圾转运系统,属于垃圾收集运转技术领域;解决垃圾站内在垃圾转运和收集过程中造成的垃圾液渗漏和垃圾抛洒的问题;技术方案:包括架体以及设置在架体上的顶升机构、翻转机构和升降机构,架体通过翻转轴总成固定安装在地坑一侧的地基上,翻转架将拉臂车厢固定,通过升降机构固定,翻转机构将拉臂车箱90°翻转,升降机构将车厢放入或拉出地坑,顶升机构用于与拉臂车对接;本发明采用挂箱方式,将拉臂车箱垂直放置于垃圾站地坑内,避免了垃圾收集过程中垃圾液渗漏、垃圾抛洒,结构简单,安全可靠。(The invention relates to a straight-hanging roll-over stand of an inclined-plane jacking draw-arm carriage and a garbage transferring system, belonging to the technical field of garbage collection and operation; the problems of liquid garbage leakage and garbage throwing caused in the garbage transferring and collecting process in the garbage station are solved; the technical scheme is as follows: the lifting mechanism is used for butting with the arm pulling vehicle, the carriage is placed in or pulled out of the pit by the lifting mechanism; the invention adopts a box hanging mode, vertically places the draw arm carriage in the pit of the garbage station, avoids the leakage of garbage liquid and the garbage throwing in the garbage collecting process, and has simple structure, safety and reliability.)

1. The inclined plane jacking draw-arm wagon box direct-hanging roll-over stand is characterized by comprising a stand body, a jacking mechanism, a roll-over mechanism and a lifting mechanism, wherein the jacking mechanism, the roll-over mechanism and the lifting mechanism are arranged on the stand body;

the turnover mechanism comprises a turnover push rod and a turnover push rod base, the turnover push rod base is fixedly arranged in the foundation, one end of the turnover push rod is connected with the turnover push rod base through a shaft, the other end of the turnover push rod is connected with the frame body through a shaft, and the frame body can rotate around the turnover shaft assembly through the action of the turnover push rod and enables one end of the frame body to enter the pit;

the lifting mechanism comprises a guide rail, a lifter framework and a lifting push rod, the guide rail is fixedly arranged on the frame body, the lifter framework is connected with the guide rail in a sliding manner, one end, close to the pit, of the lifter framework is fixedly connected with a vertical hanging box hook, and the other end of the lifter framework is fixedly connected with a carriage stop block; two ends of the lifting push rod are respectively connected to the frame body and the lifter framework through a lifting push rod seat, and the lifting push rod and the guide rail are coaxially arranged;

the jacking mechanism comprises a jacking inclined surface and a jacking inclined surface push rod, one end of the jacking inclined surface is horizontally connected to the upper surface of the frame body through a hinge, the fixed end of the jacking inclined surface push rod is connected with the frame body through a jacking inclined surface push rod mounting seat arranged in the frame body, and the movable end of the jacking inclined surface push rod is connected with the jacking inclined surface shaft;

still be provided with the flap motor cabinet of falling material on the support body, be provided with the linear electric motor that flap couple and drive couple reciprocated down of falling material on the motor cabinet.

2. The roll-over stand for the straight-hanging of the inclined plane jacking draw-arm carriage according to claim 1, wherein the roll-over shaft assembly comprises a roll-over stand mounting base, a rotating shaft and a bearing, and the roll-over stand mounting base is fixedly arranged in the foundation.

3. The roll-over stand for the straight-hanging of the inclined plane jacking draw-arm carriage according to claim 1, wherein the roll-over push rod base is fixedly arranged in the foundation through anchor bolts.

4. The roll-over stand for the direct-hanging of the carriage with the inclined jacking draw arm of claim 1, wherein one end of the lifting mechanism frame, which is close to the pit, is provided with a direct-hanging carriage hook seat, and the direct-hanging carriage hook is fixedly arranged on the direct-hanging carriage hook seat.

5. The roll-over stand for the direct-hanging of the inclined plane jacking arm-pulling wagon box of claim 4, wherein the lifting mechanism frame is provided with a wagon block seat, and the wagon block is fixedly connected to the wagon block seat.

6. The roll stand for the direct-hanging of the inclined-plane jacking boom-pulling truck bed according to claim 5, wherein two ends of the lifting push rod are respectively connected to the frame body and the hook seat of the direct-hanging truck bed through a lifting push rod seat.

7. The roll-over stand for the straight-hanging of the inclined-plane jacking draw-arm carriage according to claim 1, wherein the roll-over push rod, the lifting push rod and the jacking inclined-plane push rod are all electric push rods.

8. The roll-over stand for the straight-hanging of the inclined plane jacking draw-arm wagon box of claim 1, wherein the roll-over shaft assembly is fixedly installed at the edge of a pit.

9. The roll-over stand for the straight hanging of the inclined plane jacking arm-pulling carriage as claimed in claim 1, wherein the roll-over shaft assembly and the roll-over push rod are respectively symmetrically arranged on two sides of the carriage body; the lifting push rod and the jacking inclined plane push rod are respectively arranged on the central axis of the frame body.

10. The garbage transfer system with the inclined plane jacking draw-arm carriage direct-hanging roll-over stand of claim 1, further comprising a draw-arm carriage and a detachable draw-arm carriage matched with the draw-arm carriage, wherein a clamping piece matched with a hook of the direct-hanging carriage is arranged at the bottom of the draw-arm carriage, an openable box cover is arranged on the side surface of the draw-arm carriage, and a hanging ring for hanging the hook is arranged on the box cover; the roll-over stand fixes the draw arm carriage through the direct-hanging box hook, and the roll-over push rod and the lifting push rod are used for placing or pulling the draw arm carriage into or out of the pit.

Technical Field

The invention belongs to the technical field of garbage collection and operation, and particularly relates to a straight-hanging roll-over stand of an inclined-plane jacking draw-arm wagon box and a garbage transfer system.

Background

At present, domestic waste garbage is collected and is concentrated, small-size rubbish station, it expects to adopt the tipping bucket mostly, horizontal compression, the material is expected to low bilayer platform silo, horizontal compression, modes such as swing arm railway carriage pit material dumping, in the material collection process of dumping, by collection vehicle to the rubbish station material dumping in-process, a plurality of loaded down with trivial details intermediate links such as tipping bucket, silo, rubbish compression and station case interfacing apparatus are related to, and still can appear the rubbish liquid seepage in the station, rubbish is shed, the pollution scheduling problem of rubbish foul smell to the environment, make the operational environment quality of rubbish station decline.

Disclosure of Invention

The invention overcomes the defects of the prior art, provides a straight-hanging roll-over stand of an inclined-plane jacking draw-arm carriage and a garbage transferring system, and solves the problems of garbage liquid leakage and garbage throwing caused in the garbage transferring and collecting process in a garbage station.

In order to achieve the above object, the present invention is achieved by the following technical solutions.

The utility model provides a tilting top pull arm railway carriage is directly hung roll-over stand, includes the support body and sets up climbing mechanism, tilting mechanism and elevating system on the support body, the support body passes through trip shaft assembly fixed mounting on the ground of pit one side to make the one end of support body be located pit opposite side inward flange.

The turnover mechanism comprises a turnover push rod and a turnover push rod base, the turnover push rod base is fixedly arranged in the foundation, one end of the turnover push rod is connected with the turnover push rod base through a shaft, the other end of the turnover push rod is connected with the support body shaft, and the support body can rotate around a turnover shaft assembly through the action of the turnover push rod and enables one end of the support body to enter the pit.

The lifting mechanism comprises a guide rail, a lifter framework and a lifting push rod, the guide rail is fixedly arranged on the frame body, the lifter framework is connected with the guide rail in a sliding manner, one end, close to the pit, of the lifter framework is fixedly connected with a vertical hanging box hook, and the other end of the lifter framework is fixedly connected with a carriage stop block; the two ends of the lifting push rod are respectively connected to the frame body and the elevator framework through lifting push rod seats, and the lifting push rod and the guide rail are coaxially arranged.

The jacking mechanism comprises a jacking inclined plane and a jacking inclined plane push rod, one end of the jacking inclined plane is horizontally connected to the upper surface of the support body through a hinge, the fixed end of the jacking inclined plane push rod is connected with the support body through a jacking inclined plane push rod mounting seat arranged inside the support body, and the movable end of the jacking inclined plane push rod is connected with the jacking inclined plane shaft.

Still be provided with the flap motor cabinet of falling material on the support body, be provided with the linear electric motor that flap couple and drive couple reciprocated down of falling material on the motor cabinet.

Furthermore, the roll-over shaft assembly comprises a roll-over stand installation base, a rotating shaft and a bearing, wherein the roll-over stand installation base is fixedly arranged in the foundation.

Furthermore, one end of the lifting mechanism frame, which is close to the pit, is provided with a straight hanging box hook seat, and the straight hanging box hook is fixedly arranged on the straight hanging box hook seat.

Furthermore, the lifting mechanism frame is provided with a carriage block seat, and the carriage block is fixedly connected to the carriage block seat.

Furthermore, the two ends of the lifting push rod are further lifted, and the turnover push rod base is fixedly arranged in the foundation through anchor bolts.

The push rod seat is respectively connected with the frame body and the straight hanging box hook seat.

Furthermore, the overturning push rod, the lifting push rod and the jacking inclined plane push rod are all electric push rods.

Furthermore, the overturning shaft assembly is fixedly arranged at the edge of the pit.

Furthermore, the turnover shaft assembly and the turnover push rod are symmetrically arranged on two sides of the frame body respectively; the lifting push rod and the jacking inclined plane push rod are respectively arranged on the central axis of the frame body.

The garbage transfer system with the inclined plane jacking draw-arm carriage direct-hanging roll-over stand further comprises a draw-arm carriage and a detachable draw-arm carriage matched with the draw-arm carriage, wherein a clamping piece matched with a direct-hanging carriage hook is arranged at the bottom of the draw-arm carriage, an openable box cover is arranged on the side surface of the draw-arm carriage, and a hanging ring for hanging the hook is arranged on the box cover; the roll-over stand fixes the draw arm carriage through the direct-hanging box hook, and the roll-over push rod and the lifting push rod are used for placing or pulling the draw arm carriage into or out of the pit.

Compared with the prior art, the invention has the beneficial effects that.

1. According to the slope jacking draw-arm carriage direct-hanging roll-over stand and the garbage transferring system, a slope jacking mechanism is adopted, the butt joint surface of the draw-arm carriage is lifted, the difficulty of the draw-arm carriage in loading and unloading is reduced, the distance between the carriage and the surface of a frame body in butt joint is increased, and the safety of a hook in loading and unloading the carriage is ensured;

2. the invention adopts the box hanging mode of directly hanging the carriage by the lifting frame, and has simple structure, safety and reliability. Meanwhile, the whole mechanism adopts a pure electric motor to drive to replace a traditional hydraulic mode, an oil source motor does not need to be started when the garbage station collects garbage, the pure electric motor has low power, low noise, quick response and accurate positioning relative to an oil cylinder motor, the operation adaptability of the equipment and the maneuverability are greatly improved, and the pure electric garbage station has good practical value.

3. According to the garbage station, the arm-pulling carriage is vertically placed in the pit of the garbage station, so that the leakage of garbage liquid and the throwing of garbage in the garbage collection process are avoided, the opening and closing cover is adopted, the small door is opened and closed after the arm-pulling carriage dumps materials, the dumping opening and the closing cover are carried out in real time, and the environmental pollution caused by the overflowing odor of the garbage in the bin is avoided. Effectively solves the problems of the leakage of the garbage liquid in the station, the garbage throwing, the environmental pollution caused by the garbage odor and the like in the pouring and collecting process.

Drawings

FIG. 1 is a schematic structural view of the roll-over stand of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of the turnover mechanism according to the embodiment;

FIG. 4 is a side view of a jacking mechanism according to an embodiment;

FIG. 5 is a top view of a jacking mechanism according to an embodiment;

FIG. 6 is a top view of the lift mechanism according to an embodiment;

FIG. 7 is a schematic view of the operation state of the roll-over stand when the arm-pulling vehicle pulls up or unloads the arm-pulling carriage according to the embodiment;

FIG. 8 is a schematic view of the state that the arm-pulling vehicle lifts or lowers the arm-pulling vehicle box to the roll-over stand according to the embodiment;

FIG. 9 is an enlarged view of a portion of the structure of FIG. 8;

FIG. 10 is a schematic view of the embodiment of the draw-arm vehicle hook and the wagon box hook being docked or undocked;

FIG. 11 is a schematic view of the drop arm truck bed of the embodiment being reset after being placed in the initial state of the roll-over stand or full;

FIG. 12 is a schematic view of the operation of the horizontal hanging box of the roll-over stand according to the embodiment;

FIG. 13 is an enlarged view of a portion of FIG. 12;

FIG. 14 is a schematic diagram of the operation of pushing the platform of the boom truck to the top of the roll-over stand according to the embodiment;

FIG. 15 is a schematic view of the operation of the roll-over stand for roll-over boom box according to the embodiment;

FIG. 16 is a schematic view of the roll-over stand of the embodiment shown in a state of turning over the arm-lift truck box to 90 degrees or lifting the truck box to the top of the roll-over stand;

FIG. 17 is a schematic illustration of the drop arm truck bed of an embodiment in a ready-to-load condition at the bottom of the roll-over stand;

FIG. 18 is a schematic view of the loading state of the drop arm truck bed with the open cover at the bottom of the roll-over stand according to the embodiment;

wherein, 1 is a frame body, 2 is a turnover shaft assembly, 3 is a pit, and 4 is a foundation;

501 is an overturning electric push rod, 502 is an overturning push rod base, 503 is an anchor bolt;

601 is a guide rail, 602 is a lifter framework, 603 is a lifting electric push rod, 604 is a straight hanging box hook seat, 605 is a straight hanging box hook, 606 is a carriage stop block seat, 607 is a carriage stop block, and 608 is a lifting push rod seat;

701 is a jacking inclined plane, 702 is a jacking inclined plane electric push rod, 703 is a connecting hinge, and 704 is a jacking inclined plane push rod mounting seat;

8 is a motor base, 9 is a hook, 10 is a linear motor, 11 is a draw arm vehicle, 12 is a draw arm vehicle box, 13 is a clamping piece, and 14 is a box cover.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.

As shown in fig. 1 and 2, the roll-over stand for the straight-hanging of the inclined plane jacking arm-pulling carriage comprises a frame body 1, a jacking mechanism, a turnover mechanism and a lifting mechanism, wherein the jacking mechanism, the turnover mechanism and the lifting mechanism are arranged on the frame body 1, the frame body 1 is fixedly arranged on a foundation 4 on one side of a pit 3 through a turnover shaft assembly 2, the turnover shaft assembly 2 is fixedly arranged on the edge of the pit 3, and one end of the frame body 1 is located on the inner edge of the other side of the pit 3. The overturning shaft assembly 2 comprises an overturning frame mounting base, a rotating shaft and a bearing, and the overturning frame mounting base is fixedly arranged in the foundation 4.

As shown in fig. 3, the turnover mechanism includes a turnover electric putter 501 and a turnover putter base 502, the turnover putter base 502 is fixedly installed in the foundation 4 through an anchor bolt 503, a fixed end of the turnover electric putter 501 is connected with the turnover putter base 502 through a rotating shaft, an action end of the turnover electric putter 501 is connected with a frame body 1 shaft, and the frame body 1 can rotate around the turnover shaft assembly 2 and make one end of the frame body 1 extend out of or enter the pit 3 through the retraction and release actions of the turnover electric putter 501. The turnover shaft assembly 2 and the turnover electric push rods 501 are respectively and symmetrically arranged at two sides of the frame body 1.

As shown in fig. 6, the lifting mechanism includes a guide rail 601, a lifting frame 602 and a lifting electric push rod 603, the guide rail 601 is fixedly disposed on the frame body 1, the lifting frame 602 is slidably connected to the guide rail 601, a vertical hanging box hook seat 604 is mounted at one end of the lifting frame 602 close to the pit 3, and a vertical hanging box hook 605 is fixedly mounted on the vertical hanging box hook seat 604. The other end of the elevator frame 602 is mounted with a car block seat 606, and a car block 607 is fixedly connected to the car block seat 606. Two ends of the lifting electric push rod 603 are respectively connected to the frame body 1 and the straight hanging box hook seat 604 through a lifting push rod seat 608, the lifting electric push rod 603 and the guide rail 601 are coaxially arranged, and the lifting electric push rod 603 is arranged on a central axis of the frame body 1.

As shown in fig. 4 and 5, the jacking mechanism includes a jacking slope 701 and a jacking slope electric push rod 702, one end of the jacking slope 701 is horizontally connected to the upper surface of the frame body 1 through a connecting hinge 703, the fixed end of the jacking slope electric push rod 702 is connected to the frame body 1 through a jacking slope push rod mounting seat 704 arranged inside the frame body 1, and the movable end of the jacking slope electric push rod 702 is connected to the jacking slope 701 shaft. The jacking inclined plane electric push rod 702 is also arranged on the central axis of the frame body 1.

A material pouring opening cover motor base 8 is further arranged on one side of the frame body 1, and a material pouring opening cover hook 9 and a linear motor 10 driving the hook 9 to move up and down are arranged on the motor base 8.

A garbage transfer system with a roll-over stand further comprises a draw arm vehicle 11 and a detachable draw arm vehicle box 12 matched with the draw arm vehicle 11, wherein a clamping piece 13 matched with a straight hanging box hook 605 is arranged at the bottom of the draw arm vehicle box 12, an openable box cover 14 is arranged on the side surface of the draw arm vehicle box 12, and a hanging ring for hanging a hook 9 is arranged on the box cover 14; the roll-over stand fixes the drag arm compartment 12 through the straight hanging box hook 605, and the roll-over electric push rod 501 and the lifting electric push rod 603 are used for putting the drag arm compartment 12 into or pulling the drag arm compartment 12 out of the pit 3.

As shown in fig. 7, when the arm-pulling vehicle 11 is used to pull up or put down a car, the roll-over stand is in a horizontal state to cover the pit, the lifting mechanism is in a reset state, and the lifting inclined plane 701 is in a lifting state to ensure that the car can smoothly pass through the vertical box-hanging hook 605 to be in butt joint with or separated from the roll-over stand; the linear motor 10 for opening and closing the car hatch is in a reset state.

As shown in fig. 8 and 9, the draw-arm hook of the draw-arm vehicle 11 is in a butt joint state with the car hook, if the operation is emptying, the draw-arm frame of the draw-arm vehicle 11 continues to place the car downwards until the car block 607 of the roll-over stand blocks the draw-arm car 12, and the draw-arm vehicle 11 moves forwards and is gradually separated from the car; the lifting inclined plane 701 rises, so that the bottom of the carriage can smoothly pass through the straight hanging box hook 605 of the roll-over stand; if the box is pulled up fully, the draw arm pulls up the draw arm carriage 12, the draw arm carriage 12 is gradually separated from the roll-over stand, and the jacking inclined plane 701 is in a lifting state, so that the bottom of the carriage is ensured to smoothly complete the box pulling operation through the straight hanging box hook 605.

As shown in fig. 10, the drag arm car 12 is completely placed on the lifting slope 701, the lifting slope 701 is in a lifting state, the drag arm hook of the drag arm car 11 is in a butt joint state with the car hook, the car stop 607 of the roll-over stand blocks the car, and if the operation is emptying, the drag arm car 11 moves forward and is gradually separated from the car; if the box is pulled up to be full, the draw arm pulls up the box, the box is gradually separated from the roll-over stand, the jacking inclined plane 701 is in a lifting state, and the bottom of the box is ensured to smoothly finish the box pulling operation through the straight hanging box hook of the roll-over stand.

As shown in fig. 11, the car is completely placed on the lifting slope 701, the lifting slope 701 is in a horizontal state, the car stopper 607 blocks the draw-arm car 12 to be positioned, if the draw-arm car 11 leaves for emptying the car, the lifting slope 701 descends to a horizontal position, and the lifting electric push rod 603 is ready to drive the straight hanging hook 605 to be butted with the car; if the user lifts the full wagon, the lifting electric push rod 603 pushes the wagon block 607 to push the wagon to the reset position at the bottom of the roll-over stand, and the lifting inclined plane electric push rod 702 is ready to lift the lifting inclined plane 701 to be in a lifting state.

As shown in fig. 12 and 13, the boom box 12 is completely placed on the jacking slope 701, the jacking slope 701 is in a horizontal state, so as to ensure that the straight-hanging box hook 605 is reliably butted with the box, the lifting electric push rod 603 drives the straight-hanging box hook 605 to be butted with the box, the straight-hanging box hook continues to move upwards to drive the box to the top of the roll-over stand, and the roll-over electric push rod 501 pushes the roll-over stand with the box to roll over by 90 degrees.

As shown in fig. 14, the car is completely placed on the lifting slope 701, the lifting slope 701 is in a horizontal state, the straight hanging hook 605 is in butt joint with the car at the top of the roll-over stand, and if the empty car is in butt joint with the station, the electric turning push rod 501 is ready to push the roll-over stand to turn over the car by 90 degrees; if the truck is full and ready for transferring, the next step of lifting the electric push rod 603 pushes the truck block 607 to push the truck to the bottom of the roll-over stand, and the electric push rod 702 of the lifting inclined plane is ready to lift the lifting inclined plane 701 to be in a lifting state, so that the truck is ready to be butt-jointed with a boom truck for transferring.

As shown in fig. 15, the straight-hanging box hook 605 is in butt joint with the carriage at the top of the roll-over stand, the jacking slope 701 is in a reset state, and if the empty box is in butt joint with the station, the roll-over stand turning electric push rod will continue to push the roll-over stand with the carriage to turn over for 90 degrees; if the box is full for transferring, the electric push rod 501 for turning next step will continue to push the turning rack with the carriage to turn horizontally.

As shown in fig. 16, the straight-hanging box hook 605 and the carriage are in butt joint at the top of the roll-over stand, the jacking inclined plane 701 is in a reset state, if the empty carriage is in butt joint with the station, the lifting electric push rod 603 drives the straight-hanging box hook 605 and the carriage to the bottom of the roll-over stand to fall into the pit 3 to prepare for loading; if the box is full for transferring, the electric push rod 501 for turning next step will continue to push the turning rack with the carriage to turn horizontally.

As shown in fig. 17, the direct hanging box hook 605 is in butt joint with the carriage at the bottom of the roll-over stand, the jacking inclined plane 701 is in a reset state, if the empty carriage is in butt joint with the station, the carriage dumping port cover lock is opened, the hook 9 on the motor base 8 is connected with the carriage dumping port cover, the linear motor 10 rotor of the carriage dumping port cover moves up and down, the carriage dumping port cover can be opened or closed, dumping is realized to open the carriage dumping port cover, the carriage dumping port cover is closed after dumping is finished, and harmful gas in the carriage is prevented from overflowing to pollute the environment; if the carriage is full for transportation, the carriage pouring port cover hook is loosened and opened on the next step to be connected with the carriage pouring port cover, the carriage pouring port cover lock is closed, and the lifting electric push rod of the waiting roll-over stand drives the roll-over stand vertical hanging box hook and the carriage to ascend to the top of the roll-over stand.

As shown in fig. 18, the direct hanging box hook 605 is in butt joint with the carriage at the bottom of the roll-over stand, the jacking inclined plane 701 is in a reset state, the carriage pouring port cover lock is opened, the carriage pouring port cover hook is connected with the carriage pouring port cover, the carriage pouring port cover linear motor rotor moves up and down through the carriage pouring port cover, the carriage pouring port cover can be opened or closed, the carriage pouring port cover is opened through pouring, the carriage pouring port cover is closed after pouring, and harmful gas in the carriage is prevented from overflowing to pollute the environment;

while the invention has been described in further detail with reference to specific preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

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