CN213739236U

CN213739236U - Compost fermentation device

Info

Publication number: CN213739236U
Application number: CN202022978571.6U
Authority: CN
Inventors: 赵自超; 姚利; 王艳芹; 张海兰; 付龙云; 单洪涛; 郭兵
Original assignee: Institute of Agricultural Resources and Environment of Shandong Academy of Agricultural Sciences
Current assignee: Institute of Agricultural Resources and Environment of Shandong Academy of Agricultural Sciences
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-20
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a compost fermenting installation, including box, apron, drain pipe, rabbling mechanism, the apron articulates in the box top, the bottom at the box is installed to the drain pipe, the rabbling mechanism sets up in the inside of box, box internally mounted has the bearing shell, install rubbing crusher structure on the bearing shell, the rabbling mechanism is installed on bearing shell and is located rubbing crusher structure's below, bearing shell installs drop feed mechanism in the bottom. The utility model discloses can carry out the near-processing to organic matter, avoid the secondary pollution in the transportation, organic matter smashes through rubbing crusher structure earlier to reduce the volume of self, then stir through rabbling mechanism, increase and air area of contact, utilize the heating rod to heat it simultaneously, provide the required environment of fermentation, the organic matter of being convenient for carries out better fermentation, and then shortens the cycle of compost, reaches the compost effect of ideal.

Description

Compost fermentation device

Technical Field

The utility model belongs to the technical field of the fermentation compost, in particular to a compost fermenting installation.

Background

The compost is an organic fertilizer, the nutrient substances contained in the compost are rich, the fertilizer effect is long and stable, the formation of a soil solid particle structure is facilitated, the water retention, heat preservation, air permeability and fertilizer retention capability of the soil can be improved, the compost can be mixed with the chemical fertilizer to overcome the defects that the nutrient contained in the chemical fertilizer is single, the soil is hardened and the water and fertilizer retention performance is reduced due to the single use of the chemical fertilizer for a long time, the raw materials commonly used for the compost comprise organic substances such as vegetable branches and leaves, melon and fruit skins, various rotten vegetables, fruits, fallen leaves and kitchen garbage, and the like, at present, the disposal mode of the organic domestic garbage mainly comprises the traditional extensive landfill and natural stacking, some organic substances are required to be transported to different places for treatment, the organic substances are easy to fall off in the transportation process to cause secondary pollution, the existing compost fermentation device only adopts a mechanical mode to stir in the composting process, however, the volume of the organic substances is large, the complete fermentation can not be carried out only by stirring, and sometimes the composting period is prolonged due to the influence of the reduction of the environmental temperature, even the required composting effect can not be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming not enough among the prior art, a compost fermenting installation is provided, can carry out the near-processing to organic matter, secondary pollution in the transportation has been avoided, organic matter smashes through rubbing crusher structure earlier, thereby reduce the volume of self, then stir through rabbling mechanism, increase and air area of contact, utilize the heating rod to heat it simultaneously, provide the required environment of fermentation, be convenient for organic matter carries out better fermentation, and then shorten the cycle of compost, reach the compost effect of ideal.

In order to realize the purpose, the utility model discloses a technical scheme is:

a compost fermentation device comprises a box body, a cover plate, a liquid outlet pipe and a stirring mechanism, wherein the cover plate is hinged above the box body, the liquid outlet pipe is installed at the bottom of the box body, the stirring mechanism is arranged in the box body, a bearing shell is installed in the box body, a crushing mechanism is installed on the bearing shell, the stirring mechanism is installed on the bearing shell and is positioned below the crushing mechanism, a discharging mechanism is installed at the bottom end of the bearing shell, heating rods are installed on two sides of the lower end of the bearing shell, a fan is installed on the bearing shell, an air outlet pipe is installed on the other side of the bearing shell, the end part of the air outlet pipe penetrates through the box body and is communicated with the outside, valves are installed on the air outlet pipe and the liquid outlet pipe, an air inlet hole is formed in the position, corresponding to the fan, a baffle plate is arranged on the inner side of the air inlet hole and is used for shielding the air inlet hole when air is not needed, the top of the baffle is provided with a rotating shaft, two sides of the bottom of the baffle are inlaid with magnets, the box body is inlaid with electromagnets at positions corresponding to the magnets, the electromagnets and the magnets have the same magnetism, two sides of an air inlet hole in the inner wall of the box body are provided with supporting seats, the baffle is arranged on the supporting seats through the rotating shaft, after the electromagnets are electrified, the electromagnets and the magnets generate repulsion reaction, so that the magnets drive the baffle to be away from the electromagnets, the baffle rotates for a certain angle and no longer blocks the air inlet hole, the bottom of the box body is obliquely provided with a solid-liquid separation plate, a discharge hole is formed at the joint of the lower end of the box body and the solid-liquid separation plate, guide plates are arranged on the upper side and the lower side of the outer part of the discharge hole, the guide plates are arranged on the box body, a movable plate is slidably arranged between the two guide plates and is used for blocking the discharge hole, and a storage battery is further arranged on the box body, the storage battery is electrically connected with the electromagnet, the fan and the heating rod respectively, and the storage battery provides electric energy required by the electromagnet, the fan and the heating rod during working.

Preferably, bear casing top-down and form by first terrace with edge, first cuboid, second terrace with edge, the welding of second cuboid in proper order, and the volume reduces in proper order, the whereabouts of organic substance of being convenient for still is favorable to smashing and stirring organic substance simultaneously, rubbing crusher constructs and installs on first cuboid with the fan, rabbling mechanism, heating rod, play tuber pipe are installed on the second cuboid, drop feed mechanism installs the bottom at the second cuboid.

Preferably, rubbing crusher constructs including crushing roller, crushing cutter, the quantity of crushing roller is two and rotates the inside of installing at bearing the casing, the support is installed to spiral on the circumference direction on the crushing roller, leave the space on the support, two are a set of in the space of installing at the support for crushing cutter, the gear is installed to the outside and the tip that the one end of crushing roller extends to bearing the casing, and two gear engagement connect, and one of them crushing roller extends to the outside of box and the tip installs first handle of shaking, drives crushing roller through rotating first handle of shaking and rotates, and the epaxial gear engagement of gear and another crushing roller of crushing roller drive another crushing roller rotatory to make two crushing epaxial crushing cutter work smash organic substance, be convenient for better fermentation.

Preferably, the stirring mechanism comprises a stirring shaft and a support rod, one end of the stirring shaft is rotatably installed inside the bearing shell, the other end of the stirring shaft penetrates through the bearing shell and the box body to extend to the outside of the box body, and a second shaking handle is installed on the stirring shaft, the support rod is installed on two sides of the part, located on the bearing shell, of the stirring shaft, the number of the support rods is multiple, the support rods are uniformly installed on the stirring shaft at equal intervals, second stirring blades are installed on the support rods on two sides of the stirring shaft, two ends of each second stirring blade are installed on the support rods on two different sides of the stirring shaft, a first stirring blade is further installed on the stirring shaft, the stirring shaft is driven to move by rotating the second shaking handle, the first stirring blade and the second stirring blade are driven to rotate while the stirring shaft rotates, organic substances in the bearing shell are lifted and thrown down by the second stirring blade, and secondary stirring is carried out after passing through the first stirring blade, so that the fermentation can be better performed after the contact with the air.

Preferably, the discharging mechanism comprises a support plate, a pull rope and a spring, the number of the support plate is two, the support plate is symmetrically arranged on the bearing shell, pin shafts are arranged on two sides of one end of the support plate, the pin shafts extend to the outside of the bearing shell, one end of the pull rope is arranged on the pin shafts, the other end of the pull rope penetrates through the box body and extends to the outside of the box body, the other end of the support plate penetrates through the bearing shell, a chute is further formed in the bearing shell, the support plate can reciprocate on the bearing shell through the pin shafts, one end of the spring is arranged at one end, penetrating through the bearing shell, of the support plate, the other end of the spring is arranged on the inner wall of the box body, when discharging is needed after fermentation is completed, the support plate is driven to move in the chute through the pin shafts by pulling of the pull rope, the spring is stressed and compressed, the bottom of the bearing shell is not blocked by the support plate, and organic substances downwards move and fall onto the solid-liquid separation plate, solid and liquid are separated through the solid-liquid separation plate, liquid is discharged through the liquid outlet pipe, the solid is discharged through the discharge hole, after discharging is completed, external force is stopped being exerted on the pull rope, and the support plate is restored to the original state under the action of the spring.

Preferably, the pull ring is installed to the one end of keeping away from round pin axle of stay cord, is convenient for exert external force to the stay cord through the pull ring, can play spacing effect to the stay cord simultaneously, prevents inside the stay cord tip gets into the box, has guaranteed job stabilization nature.

Preferably, solar panel is installed at the apron top, solar panel and battery electric connection can absorb solar energy and convert solar energy into the electric energy through solar panel and store to the battery, have reduced the number of times that charges of battery, and is energy-concerving and environment-protective.

Preferably, the walking wheels are installed at the bottom of the box body, and the handrail frame is installed on one side of the box body, so that the device can be conveniently moved.

Preferably, the handle is installed to the fly leaf, is convenient for open and close of fly leaf through the handle, has improved work efficiency.

The utility model has the advantages that:

1) can carry out the near-processing to organic matter, avoid the secondary pollution in the transportation, organic matter smashes through rubbing crusher structure earlier to reduce the volume of self, then stir through rabbling mechanism, increase and air area of contact, utilize the heating rod to heat it simultaneously, provide the required environment of fermentation, the organic matter of being convenient for carries out better fermentation, and then shortens the cycle of compost, reaches the compost effect of ideal.

2) Bear casing top-down and form by first terrace with edge, first cuboid, second terrace with edge, the welding of second cuboid in proper order, and the volume reduces in proper order, and the whereabouts of the organic substance of being convenient for still is favorable to smashing and stirring organic substance simultaneously.

3) The pull ring is installed to the one end of keeping away from round pin axle of stay cord, is convenient for exert external force to the stay cord through the pull ring, can play spacing effect to the stay cord simultaneously, prevents inside the stay cord tip gets into the box, has guaranteed the stability of work.

4) Solar panel is installed at the apron top, solar panel and battery electric connection can absorb solar energy and convert solar energy into the electric energy through solar panel and store to the battery, have reduced the number of times that charges of battery, and is energy-concerving and environment-protective.

5) The walking wheels are installed at the bottom of the box body, and the handrail frame is installed on one side of the box body, so that the device can be conveniently moved.

6) The handle is installed to the fly leaf, is convenient for open and close of fly leaf through the handle, has improved work efficiency.

Drawings

FIG. 1 is a schematic structural view of a compost fermentation device of the utility model.

FIG. 2 is a schematic diagram of the structure of the other side of the compost fermentation device of the utility model.

FIG. 3 is a sectional view of the inside of the middle box body of the compost fermentation device.

Fig. 4 is an enlarged view of a portion a of fig. 3.

FIG. 5 is a schematic view of a structure of a bearing shell in the compost fermentation device.

FIG. 6 is a schematic structural diagram of a stirring mechanism in the compost fermentation device.

FIG. 7 is a schematic structural diagram of a discharging mechanism in the compost fermentation device.

FIG. 8 is a schematic structural diagram of a baffle plate in the compost fermentation device.

FIG. 9 is a schematic structural view of a movable plate in the compost fermentation device of the present invention.

In the figure: 1. a box body; 2. a cover plate; 3. a solar panel; 4. an air inlet hole; 5. a baffle plate; 6. a traveling wheel; 7. a liquid outlet pipe; 8. a movable plate; 9. a storage battery; 10. a handrail frame; 11. an air outlet pipe; 12. a crushing mechanism; 1201. a crushing shaft; 1202. a support; 1203. a crushing cutter; 1204. a gear; 1205. a first rocking handle; 13. a stirring mechanism; 1301. a stirring shaft; 1302. a strut; 1303. a first stirring blade; 1304. a second stirring blade; 1305. a second rocking handle; 14. a discharging mechanism; 1401. a support plate; 1402. a pin shaft; 1403. pulling a rope; 1404. a pull ring; 1405. a spring; 15. a load bearing housing; 16. a heating rod; 17. a solid-liquid separation plate; 18. a fan; 19. an electromagnet; 20. a supporting seat; 21. a guide plate; 51. a rotating shaft; 52. a magnet; 81. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 9, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

A compost fermentation device comprises a box body 1, a cover plate 2, a liquid outlet pipe 7 and a stirring mechanism 13, wherein the cover plate 2 is hinged above the box body 1, the liquid outlet pipe 7 is installed at the bottom of the box body 1, the stirring mechanism 13 is arranged in the box body 1, a bearing shell 15 is installed inside the box body 1, a crushing mechanism 12 is installed on the bearing shell 15, the stirring mechanism 13 is installed on the bearing shell 15 and is positioned below the crushing mechanism 12, a discharging mechanism 14 is installed at the bottom end of the bearing shell 15, heating rods 16 are installed on two sides of the lower end of the bearing shell 15, a fan 18 is installed on the bearing shell 15, an air outlet pipe 11 is installed on the other side, the end part of the air outlet pipe 11 penetrates through the box body 1 to be communicated with the outside, valves are installed on the air outlet pipe 11 and the liquid outlet pipe 7, an air inlet hole 4 is formed in a position, corresponding to the fan 18, on the box body 1, the inboard of fresh air inlet 4 is equipped with baffle 5, and baffle 5 shelters from fresh air inlet 4 when being used for not needing the air to enter, pivot 51 is installed at the top of baffle 5, 5 bottom both sides of baffle are inlayed and are had magnet 52, it has electro-magnet 19 to inlay with the corresponding position of magnet 52 on the box 1, electro-magnet 19 is the same magnetism with magnet 52, supporting seat 20 is installed to the both sides of fresh air inlet 4 on the box 1 inner wall, baffle 5 installs on supporting seat 20 through pivot 51, and after circular telegram to electro-magnet 19, electro-magnet 19 takes place the repulsion reaction with magnet 52, makes magnet 52 drive baffle 5 keep away from electro-magnet 19 to make baffle 5 rotate certain angle and no longer block fresh air inlet 4, the bottom of box 1 is put to one side and is installed solid-liquid separation board 17, the discharge gate has been seted up to the lower one end junction of box 1 and solid-liquid separation board 17, both sides are equipped with deflector 21 about the discharge gate is outside, deflector 21 is installed on box 1, and slidable mounting has fly leaf 8 between two deflector 21, and fly leaf 8 is used for plugging up the discharge gate, handle 81 is installed to fly leaf 8, through the handle 81 be convenient for open and close of fly leaf 8, has improved work efficiency, still install battery 9 on the box 1, battery 9 respectively with electro-magnet 19, fan 18, the 16 electric connection of heating rod, provide the required electric energy of electro-magnet 19, fan 18, the 16 during operations of heating rod through battery 9, walking wheel 6 is installed to box 1 bottom, and handrail frame 10 is installed to one side of box 1, the removal of the device of being convenient for.

Bear 15 top-down of casing and be formed by first terrace with edge, first cuboid, second terrace with edge, the welding of second cuboid in proper order, and the volume reduces in proper order, the whereabouts of organic substance of being convenient for still is favorable to smashing and stirring organic substance simultaneously, rubbing crusher constructs 12 and fan 18 and installs on first cuboid, rabbling mechanism 13, heating rod 16, play tuber pipe 11 are installed on the second cuboid, the bottom at the second cuboid is installed to drop feed mechanism 14.

The crushing mechanism 12 comprises two crushing shafts 1201 and crushing cutters 1203, the two crushing shafts 1201 are rotatably arranged in the bearing shell 15, a support 1202 is spirally arranged on the crushing shaft 1201 in the circumferential direction, a gap is left on the support 1202, the crushing cutters 1203 are mounted in a group of two in the gap of the support 1202, one end of the crushing shaft 1201 extends to the outside of the bearing housing 15 and the end is provided with a gear 1204, the two gears 1204 are meshed and connected, one of the crushing shafts 1201 extends to the outside of the case 1 and has a first shaking handle 1205 mounted at an end thereof, the crushing shaft 1201 is rotated by rotating the first rocking handle 1205, the gear on the crushing shaft 1201 is meshed with the gear 1204 on the other crushing shaft 1201 to rotate the other crushing shaft 1201, so that the crushing cutters 1203 on the two crushing shafts 1201 work to crush the organic substances, which is convenient for better fermentation.

The stirring mechanism 13 comprises a stirring shaft 1301 and a supporting rod 1302, one end of the stirring shaft 1301 is rotatably installed inside the bearing shell 15, the other end of the stirring shaft 1301 penetrates through the bearing shell 15 and the box 1 to extend to the outside of the box 1 and is provided with a second shaking handle 1305, the supporting rod is installed on two sides of the part, located on the bearing shell 15, of the stirring shaft 1301, the supporting rods 1302 are uniformly installed on the stirring shaft 1301 in a plurality of and equidistant mode, the supporting rods 1302 on two sides of the stirring shaft 1301 are respectively provided with a second stirring blade 1304, two ends of the second stirring blade 1304 are installed on the supporting rods 1302 on two different sides of the stirring shaft 1301, the stirring shaft 1301 is also provided with a first stirring blade 1303, the stirring shaft 1301 is driven to move by rotating the second shaking handle 1305, the stirring shaft 1301 rotates while driving the first stirring blade 1303 and the second stirring blade 1304 to rotate, and the second stirring blade 1304 pumps up and pumps organic substances in the bearing shell 15, And (4) throwing, and performing secondary stirring after passing through the first stirring blade 1303, so that fermentation is better performed after the fermentation tank is contacted with air.

The discharging mechanism 14 comprises a support plate 1401, a pull rope 1403 and a spring 1405, wherein two support plates 1401 are symmetrically arranged on the bearing shell 15, pin shafts 1402 are arranged on two sides of one end of each support plate 1401, the pin shafts 1402 extend to the outside of the bearing shell 15, one end of each pull rope 1403 is arranged on the pin shafts 1402, the other end of each pull rope passes through the box body 1 and extends to the outside of the box body 1, the other end of each support plate 1401 passes through the bearing shell 15, a sliding groove is further formed in the bearing shell 15, the support plate 1401 can reciprocate on the bearing shell 15 through the pin shafts 1402, one end of each spring 1405 is arranged at one end of each support plate 1401 passing through the bearing shell 15, the other end of each spring 1405 is arranged on the inner wall of the box body 1, when discharging is needed after fermentation is completed, the pull ropes 1403 are pulled to drive the support plates 1401 to move, organic matter downstream drops on solid-liquid separation board 17, through solid-liquid separation board 17 with solid and liquid separation, liquid passes through drain pipe 7 and discharges, and the solid passes through the discharge gate and discharges, and after the blowing was accomplished, stop to exert external force to stay cord 1403, backup pad 1401 resumes to original condition under the effect of spring 1405, stay ring 1404 is installed to the one end of keeping away from round pin axle 1402 of stay cord 1403, is convenient for exert external force to stay cord 1403 through pull ring 1404, can play spacing effect to stay cord 1403 simultaneously, prevents that stay cord 1403 tip from getting into inside box 1, has guaranteed the stability of work.

Solar panel 3 is installed at 2 tops of apron, solar panel 3 and battery 9 electric connection can absorb solar energy and convert solar energy into electric energy through solar panel 3 and store battery 9 in, have reduced the number of times that charges of battery 9, and is energy-concerving and environment-protective.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. A compost fermentation device comprises a box body, a cover plate, a liquid outlet pipe and a stirring mechanism, wherein the cover plate is hinged above the box body, the liquid outlet pipe is arranged at the bottom of the box body, the stirring mechanism is arranged in the box body, and is characterized in that a bearing shell is arranged in the box body, a crushing mechanism is arranged on the bearing shell, the stirring mechanism is arranged on the bearing shell and is positioned below the crushing mechanism, a discharging mechanism is arranged at the bottom end of the bearing shell, heating rods are arranged at two sides of the lower end of the bearing shell, a fan is arranged on the bearing shell, a wind outlet pipe is arranged at the other side of the bearing shell, the end part of the wind outlet pipe penetrates through the box body and is communicated with the outside, valves are arranged on the wind outlet pipe and the liquid outlet pipe, a wind inlet hole is arranged at the position corresponding to the fan on the box body, a baffle is arranged at the inner side of the wind inlet hole, a rotating shaft is arranged at the top of the baffle, the utility model discloses a baffle, including baffle, supporting seat, baffle, solid-liquid separation board, battery, electromagnet, fan, heating rod electric connection, it has magnet to inlay in baffle bottom both sides, it has the electro-magnet to inlay with the corresponding position of magnet on the box, the electro-magnet is the same magnetism with magnet, the supporting seat is installed to the both sides of fresh air inlet on the box inner wall, the baffle is installed on the supporting seat through the pivot, the solid-liquid separation board is installed to the bottom slant of box, the discharge gate has been seted up with the lower one end junction of solid-liquid separation board to the box, both sides are equipped with the deflector about the discharge gate is outside, the deflector is installed on the box, and slidable mounting has the fly leaf between two deflectors, still install the battery on the box, the battery respectively with electro-magnet, fan, heating rod electric connection, provide the required electric energy of electro-magnet, fan, heating rod during operation through the battery.

2. A compost fermentation device as claimed in claim 1, wherein said bearing housing is welded by a first prismatic table, a first cuboid, a second prismatic table and a second cuboid sequentially from top to bottom, and the volume of said bearing housing is reduced sequentially, said crushing mechanism and fan are installed on the first cuboid, said stirring mechanism, heating rod and air outlet pipe are installed on the second cuboid, and said emptying mechanism is installed at the bottom of the second cuboid.

3. A compost fermentation device as claimed in claim 1, wherein said crushing mechanism comprises two crushing shafts and two crushing cutters, said two crushing shafts are rotatably mounted inside said bearing housing, said crushing shafts are spirally mounted with a support in circumferential direction, said support is provided with a gap, said two crushing cutters are mounted in said gap in said support in a set, one end of said crushing shaft extends to outside of said bearing housing and the end is mounted with a gear, said two gears are meshed and connected, one of said crushing shafts extends to outside of said box and the end is mounted with a first rocking handle.

4. A compost fermentation device as claimed in claim 1, wherein said stirring mechanism comprises a stirring shaft and a plurality of support rods, one end of said stirring shaft is rotatably mounted inside said bearing housing, the other end of said stirring shaft passes through said bearing housing and said box body and extends to the outside of said box body, and a second shaking handle is mounted on said stirring shaft, said plurality of support rods are uniformly mounted on said stirring shaft at equal intervals, said second stirring blades are mounted on said support rods on both sides of said stirring shaft, and two ends of said second stirring blades are mounted on said support rods on different sides of said stirring shaft, and said first stirring blades are further mounted on said stirring shaft.

5. A compost fermentation device as claimed in claim 1, wherein said discharging mechanism comprises two support plates, a pull rope and a spring, said two support plates are symmetrically mounted on said carrying shell, a pin is mounted on both sides of one end of said support plate, said pin extends to the outside of said carrying shell, one end of said pull rope is mounted on said pin, the other end of said pull rope extends to the outside of said carrying shell through said box, said other end of said support plate passes through said carrying shell, said carrying shell is further provided with a chute, one end of said spring is mounted on one end of said support plate passing through said carrying shell, and the other end of said spring is mounted on the inner wall of said box.

6. A compost fermentation device as claimed in claim 5, wherein a pull ring is mounted to the end of said pull cord remote from said pin.

7. A compost fermentation device as claimed in claim 1, wherein said cover plate has a solar panel mounted on top thereof, said solar panel being electrically connected to a battery.

8. A compost fermentation device as claimed in claim 1, wherein said base is provided with road wheels.

9. A compost fermentation device as claimed in claim 1, wherein a handrail frame is mounted to one side of said box.

10. A compost fermentation device as claimed in claim 1, wherein said movable plate is fitted with a handle.