CN209660056U - Sightseeing experience type goes sight-seeing system - Google Patents

Abstract

The utility model discloses a kind of sightseeing experience type visit system, including planting greenhouse, one end of planting greenhouse has water intaking pond and braiding channel, the other end of planting greenhouse has collecting-tank, paddle wheel water supplier is installed beside water intaking pond the water fetched water in pond is transported in braiding channel, braiding channel is connected to the pouring water pipe laid in planting greenhouse again, the water outlet for pouring water pipe is connected to collecting-tank, water in collecting-tank is back to water intaking pond after precipitating screened well filtering, barbecue rack is placed on the well lid of shallow lake screened well, using some vegetables and melon and fruit can be planted in the utility model planting greenhouse, collecting-tank can cultivate some fish, tourist go sightseeing when can by paddle wheel water supplier in planting greenhouse vegetables and melon and fruit water, then some vegetables and melon and fruit are picked again, fishing, which is caught or fished, takes some fish, it is roasted after cleaning up, whole system Plantation and cultivation are organically combined, tourist can experience plantation, picking, fishing are caught etc., and processes, experience sense greatly enhance.

Description

Sightseeing experience type goes sight-seeing system

Technical field

The utility model relates to agricultural plantings, cultural technique field, and in particular to a kind of sightseeing experience type visit system.

Background technique

Agricultural tour is that agricultural is combined together with tourist industry, attracts tourists using farming landscape and rural area space A kind of novel agricultural management form visited, i.e., by agriculture, woods, herd, exploitation tourism production based on pair, the extensive agricultural resource such as fishing Product, and the general designation of the tourist industry of special service, also referred to as sight-seeing agriculture, tourist agriculture, rural tourism etc. are provided for tourist.

Existing agricultural tour mainly has traditional sightseeing type, is all science and technology-oriented, vacation tourism type, several types of local conditions and customs type Type, it is all to have some experience sexualities concurrently, for example fish, adopt based on the sensory experience with participant that these types, which is all by type, Pluck, but these all can only the person of letting on experience good harvest bring end result, participant is unable to actual participation to specific agriculture In activity, entertainment is relatively strong but experience sense is insufficient.

Utility model content

In order to solve the above technical problems, the utility model provide one kind can the person's of letting on actual participation to the agriculture labor in part Sightseeing experience type in dynamic goes sight-seeing system.

Technical solution is as follows: a kind of sightseeing experience type visit system, including planting greenhouse, key are: the plantation One end of greenhouse has water intaking pond and braiding channel, and growing area is equipped in the planting greenhouse, and the other end of the planting greenhouse has There are collecting-tank, precipitating screened well and water purifying tank；

Paddle wheel water supplier is installed beside the water intaking pond, which protrudes into the water intaking pond, described The water outlet of paddle wheel water supplier is located above the braiding channel, and the braiding channel is connected with water-supply-pipe, is laid in the growing area Water pipe is poured, described one end for pouring water pipe is connected to the water-supply-pipe, the other end and the collecting-tank for pouring water pipe It is connected to, offers apopore on the pouring water pipe, the collecting-tank is connect with the precipitating screened well, the precipitating screened well Well head on be covered with well lid, barbecue rack is placed on the well lid, the precipitating screened well is connected with water purifying tank through transition water pipe, The water purifying tank is connected to through return pipe with the water intaking pond；

The barbecue rack includes support frame, and the barbecue cabinet of open topped, the barbecue cabinet are equipped on the support frame Opening on be placed with Roast net, be also equipped with brush tank deck, the brush tank deck on the support frame as described above of described barbecue cabinet one end It is equipped with oil leaking hole, which, which is connected with, connects oil pipe, and the oil pipe that connects is connected with oil storage bottle.

By adopting the above technical scheme, some vegetables and melon and fruit can be planted in planting greenhouse, tourist can pass through when going sightseeing Paddle wheel water supplier in planting greenhouse vegetables and melon and fruit water, pour water pipe in unsprayed water source will collect in collecting-tank simultaneously It is finally back to water intaking pond, collecting-tank can cultivate some fish, and tourist can pick the vegetables in some greenhouses after watering With melon and fruit, in collecting-tank fishing catch or fish and take some fish, and tentatively cleaned in collecting-tank, then in water purifying tank into Second of cleaning of row, is then roasted on barbecue rack；

Special brush tank deck is provided on barbecue rack, the grease dripped from food after brush oil falls on brush tank deck and passes through It connects oil pipe to flow into oil storage bottle, these greases do not pass through scorching for charcoal fire, and grease is relatively clean, and the grease of centralized collection can It is re-used for roasting or is used as other purposes, so as to avoid the waste of grease, while not had substantially on food in barbecue Grease drippage, charcoal are not likely to produce flue dust and open fire, and it is healthier to burn barbi；

Whole system will plant and cultivation organically combines, and tourist can experience picking, fishing is caught and cuisines make etc. Process, experience sense greatly enhance, and have sufficiently experienced whole process of the food from farmland to dining table.

As further preferred:

Above-mentioned well lid includes cover board, and the inner wall of the cover board is equipped with the protrusion on cylinder, and the diameter of the cover board is greater than institute The well head diameter of precipitating screened well is stated, the cover board is covered on the well head of the precipitating screened well, and the protrusion protrudes into described It precipitates in screened well.Well head is completely covered by column using this scheme well lid, compared with traditional sunk type well lid, is cleared up after barbecue When well lid on residue will not be fallen into well in the gap between well lid and well head, the cleanliness in well more easy to maintain.

The table top of above-mentioned brush tank deck is oblique, and the oil leaking hole is located at the lowest part of the brush tank deck table top；

The brush tank deck inner hollow forms storage chamber, and the oil storage bottle is placed in the storage chamber, the brush tank deck The oil storage bottle is corresponded on side offers taking mouth.Using this structure, the grease of drippage is easier to flow into oil storage bottle, thus Preventing grease to be gathered on brush tank deck influences to brush oily effect, and oil storage bottle can facilitate taking-up after being filled with oil through taking mouth.

Above-mentioned Roast net includes big grill and small grill, and the big grill includes frame roasting greatly, is installed in parallel in the frame roasting greatly There are more barbecue cross bars, the small grill includes small roasting frame, is equipped with more barbecue steel wires in the small roasting frame in a crisscross manner, adjacent Spacing between the barbecue steel wire is less than the spacing between the adjacent barbecue cross bar.It can be according to the big of food using this structure Small be placed in different food on different grills is roasted.

Fume flow guiding cover is equipped with above above-mentioned barbecue cabinet, the top of the fume flow guiding cover is equipped with exhanst gas outlet, the cigarette Shield support leg is installed, the barbecue side side of the cabinet far from barbecue personnel is installed equipped with flue gas cover on gas pod Frame, the shield support leg are plugged in flue gas cover installing frame.Using this structure, what when barbecue generated by reasons such as misoperations Flue dust can drain through fume flow guiding cover, can remove fume flow guiding cover facilitate storage and transportation when not in use.

N item plantation ridge is provided along its length in above-mentioned planting greenhouse, in every plants ridge along its length just To being laid with the pouring water pipe respectively, the every water inlet end for pouring water pipe pass through respectively the water-supply-pipe with The braiding channel connection, all water outlets for pouring water pipe are connected to the collecting-tank respectively, on the every water-supply-pipe It is respectively equipped with booster pump.Using vegetables that can be different on each plantation ridge of this scheme or melon and fruit, diversification kind is sufficiently realized Plant, booster pump be conducive to enhancing pour water pipe irrigation pressure, thus make water spray more evenly, pour effect it is more preferable.

Gutter is dug between the adjacent plantation ridge, grille cover plate, the grid are stamped in the gutter upper berth Cover board has dug collecting gutter for tourist's walking between the collecting-tank and planting greenhouse, all gutters and all The pouring water pipe is connected to the collecting gutter respectively, and the collecting gutter is connected to by drainage ditch with the collecting-tank.Using side The excessive moisture that case plantation ridge keel overflows collects in gutter, on the one hand can prevent plantation ridge keel from collecting excessive Water, the water on the other hand collected are eventually back in water intaking pond, are conducive to save water source.

The pool wall of above-mentioned collecting-tank is equipped with water outlet, and the depth of the precipitating screened well is greater than the depth of the collecting-tank The shaft bottom of degree, the precipitating screened well is equipped with water inlet, be successively equipped in the precipitating screened well from the bottom up pebble layer, Quartz sand layer, diatomite layer and PP cotton layer, the water outlet of the collecting-tank are connect with the water inlet of the precipitating screened well, institute The water inlet end for stating transition water pipe is connected to the precipitating screened well of PP cotton layer top.Using the water in this scheme collecting-tank Meeting automatic stream precipitates screened well under the action of itself hydraulic pressure, and better purification is obtained by filtration by four layers, so as to side Just tourist cleans melon fruits and vegetables.

The bottom of trench in above-mentioned gutter is also equipped with one layer of cobblestone, and the average block diameter of the cobblestone in the gutter is greater than The average block diameter of pebble layer in the precipitating screened well.Using this structure, cobblestone in gutter can effectively catching with The soil of water outflow carries out periodic cleaning to it and recycles the soil losses that can effectively reduce in planting area.

Above-mentioned planting greenhouse includes two pedestals disposed in parallel, forms the growing area between two pedestals, and two Offer the necking through slot of bar shaped on pedestal described in item respectively along its length, between two pedestals along its length It is arranged in parallel with the film support bar of more arches, is respectively equipped with and the necking on two free ends of the film support bar The adaptable fixed block of through slot cross sectional shape, two fixed blocks of the film support bar are clamped on two pedestals respectively In necking through slot, the length of the fixed block is greater than the thickness of the fixed block, and the top of all film support bars is common It is equipped with film.Can be by fixed block out of the side of necking through slot push-in necking through slot using this structure, setting up for greenhouse is simpler It is single, convenient.

The utility model has the advantages that using the utility model has the beneficial effects that some vegetables and melon and fruit can be planted in planting greenhouse, Collecting-tank can cultivate some fish, when tourist goes sightseeing can by paddle wheel water supplier in planting greenhouse vegetables and melon and fruit pour Water, then picks some vegetables again and melon and fruit, fishing are caught or fished and take some fish, and is tentatively cleaned in collecting-tank, net It carries out cleaning for second in pond, finally reburn grill, and whole system will plant and cultivation organically combines, and swims Processes, the experience senses such as visitor can experience picking, fishing is caught, cuisines production greatly enhance, and have sufficiently experienced food from farmland to dining table Whole process.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the A-A cross-sectional view of Fig. 1；

Fig. 3 is that fixed block is clamped on the status diagram in necking slot；

Fig. 4 is collecting-tank and the positional diagram for precipitating screened well；

Fig. 5 is the structural schematic diagram of barbecue rack；

Fig. 6 is the structural schematic diagram of Roast net.

Specific embodiment

Below with reference to embodiment and attached drawing, the utility model is described in further detail.

As shown in Figure 1,5, a kind of sightseeing experience type goes sight-seeing system, including planting greenhouse 1, one end of the planting greenhouse 1 With water intaking pond 2 and braiding channel 3, growing area is equipped in the planting greenhouse 1, the other end of the planting greenhouse 1, which has, to catchment Pond 4, precipitating screened well 8 and water purifying tank 10；

The side in the water intaking pond 2 is equipped with paddle wheel water supplier 5, which protrudes into the water intaking pond 2, The water outlet of the paddle wheel water supplier 5 is located at 3 top of braiding channel, and the braiding channel 3 is connected with water-supply-pipe 7, the growing area It is inside laid with and pours water pipe 6, described one end for pouring water pipe 6 is connected to the water-supply-pipe 7, the other end for pouring water pipe 6 It being connected to the collecting-tank 4, apopore is offered on the pouring water pipe 6, the collecting-tank 4 is connected with precipitating screened well 8, It is covered with well lid on the well head of the precipitating screened well 8, barbecue rack 17 is placed on the well lid, the precipitating screened well 8 passes through It crosses water pipe and is connected with water purifying tank 10, the water purifying tank 10 is connected to through return pipe 12 with the water intaking pond 2；

The barbecue rack 17 includes support frame, and the barbecue cabinet 1701 of open topped, the burning are equipped on the support frame It is placed with Roast net 1702 in the opening of oven body 1701, is also equipped on the support frame as described above of described barbecue 1701 one end of cabinet Brush tank deck 1703, the brush tank deck 1703 are equipped with oil leaking hole 1704, which, which is connected with, connects oil pipe, described to connect oil pipe It is connected with oil storage bottle 1705.

As in Figure 2-4, N item plantation ridge 13 is provided along its length in the planting greenhouse 1, N is natural number, It is laid with the pouring water pipe 6 in every plant ridge 13 respectively along its length, every described to pour water pipe 6 Water inlet end passes through the water-supply-pipe 7 respectively and is connected to the braiding channel 3, is respectively equipped with pressurization on the every water-supply-pipe 7 Pump 14, all water outlets for pouring water pipe 6 are connected to the collecting-tank 4 respectively, from this figure it can be seen that the pouring Water pipe 6 is located at the middle part of the plantation ridge 13, and the lower half portion for pouring water pipe 6 is embedded in the plantation ridge 13, institute The top for stating pouring water pipe 6 offers the apopore.

Further to have made full use of water source, avoids wasting, has dug gutter 15 between the adjacent plantation ridge 13, Grille cover plate 16 is stamped on 15 upper berth of gutter, and for the grille cover plate 16 for tourist's walking, the collecting-tank 4 and plantation are big Collecting gutter 17 ' is dug between canopy 1, the collecting gutter 17 ' is arranged along the width direction of the planting greenhouse 1, all rows Ditch 15 is connected to the collecting gutter 17 ', and also the collecting gutter 17 ' is connected to for all water outlets for pouring water pipe 6, the collection Ditch 17 ' is connected to by drainage ditch 18 with the collecting-tank 4, and the bottom of trench in the gutter 15 is equipped with one layer of cobblestone.

The pool wall of the collecting-tank 4 is equipped with water outlet, and the depth of the precipitating screened well 8 is greater than the collecting-tank 4 Depth, the depth of the preferably described precipitating screened well 8 are twice of 4 depth of collecting-tank, the shaft bottom of the precipitating screened well 8 Equipped with water inlet, the water outlet of the collecting-tank 4 is connect with the water inlet of the precipitating screened well 8, in the precipitating screened well 8 It is fixedly installed with filtering screen frame, is successively equipped with pebble layer 8a, quartz sand layer 8b, diatomite in the filtering screen frame from the bottom up Layer 8c and PP cotton layer 8d, the water inlet end of the transition water pipe are connected to the precipitating screened well 8 above the PP cotton layer 8d, The average block diameter of cobblestone in the gutter 15 is greater than the average block diameter of the pebble layer 8a in the precipitating screened well 8.

From this figure it can be seen that the well lid includes cover board, the inner wall of the cover board is equipped with the protrusion on cylinder, described The diameter of cover board is greater than the well head diameter of the precipitating screened well 8, and the cover board is covered on the well head of the precipitating screened well 8 On, the protrusion protrudes into the precipitating screened well 8.

The material of the planting greenhouse 1 including two the pedestal 1a, the pedestal 1a being fixedly installed in parallel is steel material, two The growing area is formed between pedestal 1a described in item, offers the contracting of bar shaped on two pedestal 1a respectively along its length The film support bar 1b of more arches is arranged in parallel between mouthful through slot 1d, two pedestal 1a along its length, it is described The fixed block 1c being adapted with the necking through slot 1d cross sectional shape, institute are respectively equipped on two free ends of film support bar 1b Two fixed block 1c for stating film support bar 1b are clamped on respectively in the necking through slot 1d of two pedestal 1a, the fixation The length of block 1c is greater than the thickness of the fixed block 1c, and the preferably length on the edge the fixed block 1c is greater than 2 times of fixed blocks The top of the thickness of 1c, all film support bar 1b is equipped with transparent film jointly.

The water intaking pond 2, braiding channel 3, collecting-tank 4 etc. are manually to dig, the transition water pipe and described time It is respectively equipped with water pump 11 on water pipe 12, may also set up a water pump on the water pipe between the collecting-tank 4 and filtering settling pond 8.

As it can be seen in figures 5 and 6, the table top of the brush tank deck 1703 is oblique, the oil leaking hole 1704 is located at the brush oil The lowest part of 1703 table top of platform, the oil leaking hole 1704 are formed close to barbecue personnel side, 1703 inner hollow of brush tank deck Storage chamber, the oil storage bottle 1705 are placed in the storage chamber, correspond to the oil storage bottle on the side of the brush tank deck 1703 1705 offer taking mouth 1706, which is in communication with the outside the storage chamber, around the brush tank deck 1703 It encloses and is equipped with an anti-overflow oiled-plate method 1707 of circle, which offers operation port close to the side of barbecue personnel.

The Roast net 1702 includes big grill 1702a and small grill 1702b, and the big grill 1702a includes frame roasting greatly, More barbecue cross bars are installed in parallel in the frame roasting greatly, the small grill 1702b includes small roasting frame, criss-cross in the small roasting frame More barbecue steel wires are installed, the spacing between the adjacent barbecue steel wire is less than the spacing between the adjacent barbecue cross bar, The material of the big roasting frame, small roasting frame and barbecue cross bar is stainless steel.

It prevents from choking barbecue personnel to reduce flue gas, is equipped with fume flow guiding cover 1708 above the barbecue cabinet 1701, it should The top of fume flow guiding cover 1708 is equipped with exhanst gas outlet, and there are two shield support legs for installation on the fume flow guiding cover 1708 1709, the barbecue cabinet 1701 far from being fixedly mounted on the side side of barbecue personnel there are two flue gas cover installing frame 1710, Two shield support legs 1709 are plugged in respectively in corresponding flue gas cover installing frame 1710.

The outer end of the barbecue cabinet 1701 and the outer end of brush tank deck 1703 have been respectively articulated with one piece of parcel shelf 1711, institute The lower surface for stating parcel shelf 1711 is hinged with support rod 1712, and the bottom surface of the barbecue cabinet 1701 and brush tank deck 1703 corresponds to institute It states support rod 1711 and is respectively equipped with limit plate 1713, limiting groove, the support rod 1711 are offered on the limit plate 1713 Free end be pushed against the slot bottom of the corresponding limiting groove.

Support frame as described above includes two support legs 1714 being oppositely arranged in " eight " font, two support legs The barbecue cabinet 1701 is distinguished in 1714 upper end and brush tank deck 1703 is hinged, and two support legs 1714 are pushed against respectively On the corresponding limit plate 1713.

Finally, it should be noted that foregoing description is only the preferred embodiment of the utility model, the common skill of this field Art personnel are under the enlightenment of the utility model, under the premise of without prejudice to the utility model aims and claim, can make Multiple similar expressions, such transformation are each fallen within the protection scope of the utility model.

Claims (10)

1. a kind of sightseeing experience type goes sight-seeing system, including planting greenhouse (1), it is characterised in that: one end of the planting greenhouse (1) With water intaking pond (2) and braiding channel (3), growing area, the other end of the planting greenhouse (1) are equipped in the planting greenhouse (1) With collecting-tank (4), precipitating screened well (8) and water purifying tank (10)；

Paddle wheel water supplier (5) are installed beside the water intaking pond (2), which protrudes into the water intaking pond (2) Interior, the water outlet of the paddle wheel water supplier (5) is located above the braiding channel (3), and the braiding channel (3) is connected with water-supply-pipe (7), It is laid in the growing area and pours water pipe (6), described one end for pouring water pipe (6) is connected to the water-supply-pipe (7), described to pour The other end of irrigation pipe (6) is connected to the collecting-tank (4), offers apopore, the collecting-tank on the pouring water pipe (6) (4) it is connect with the precipitating screened well (8), is covered with well lid on the well head of precipitating screened well (8), is placed on the well lid Barbecue rack (17), the precipitating screened well (8) are connected with water purifying tank (10) through transition water pipe, and the water purifying tank (10) is through return pipe (12) it is connected to the water intaking pond (2)；

The barbecue rack (17) includes support frame, and the barbecue cabinet (1701) of open topped, the burning are equipped on the support frame It is placed in the opening of oven body (1701) Roast net (1702), on the support frame as described above of described barbecue cabinet (1701) one end also It is equipped with brush tank deck (1703), the brush tank deck (1703) is equipped with oil leaking hole (1704), which, which is connected with, connects Oil pipe, the oil pipe that connects are connected with oil storage bottle (1705).

2. sightseeing experience type according to claim 1 goes sight-seeing system, it is characterised in that: the well lid includes cover board, the lid The inner wall of plate is equipped with the protrusion on cylinder, and the diameter of the cover board is greater than the well head diameter of precipitating screened well (8), described Cover board is covered on the well head of precipitating screened well (8), and the protrusion protrudes into the precipitating screened well (8).

3. sightseeing experience type according to claim 1 or 2 goes sight-seeing system, it is characterised in that: the brush tank deck (1703) Table top is oblique, and the oil leaking hole (1704) is located at the lowest part of brush tank deck (1703) table top；

Brush tank deck (1703) inner hollow forms storage chamber, and the oil storage bottle (1705) is placed in the storage chamber, described The oil storage bottle (1705) is corresponded on the side of brush tank deck (1703) offers taking mouth (1716).

4. sightseeing experience type according to claim 3 goes sight-seeing system, it is characterised in that: the Roast net (1702) includes big Grill (1702a) and small grill (1702b), the big grill (1702a) include frame roasting greatly, are equipped in parallel in the frame roasting greatly more Root roasts cross bar, and the small grill (1702b) includes small roasting frame, is equipped with more barbecue steel wires in the small roasting frame in a crisscross manner, Spacing between the adjacent barbecue steel wire is less than the spacing between the adjacent barbecue cross bar.

5. sightseeing experience type according to claim 3 goes sight-seeing system, it is characterised in that: above the barbecue cabinet (1701) Equipped with fume flow guiding cover (1708), the top of the fume flow guiding cover (1708) is equipped with exhanst gas outlet, the fume flow guiding cover (1708) it is equipped on shield support leg (1709), barbecue cabinet (1701) is equipped with far from the side side of barbecue personnel Flue gas cover installing frame (1710), the shield support leg (1709) are plugged in flue gas cover installing frame (1710).

6. sightseeing experience type according to claim 1 goes sight-seeing system, it is characterised in that: along it in the planting greenhouse (1) Length direction is equipped with N item plantation ridge (13), is laid with an institute respectively along its length in every plant ridge (13) It states and pours water pipe (6), the every water inlet end for pouring water pipe (6) passes through the water-supply-pipe (7) respectively and catchments with described Canal (3) connection, all water outlets for pouring water pipe (6) are connected to the collecting-tank (4) respectively, the every water-supply-pipe (7) booster pump (14) are respectively equipped on.

7. sightseeing experience type according to claim 6 goes sight-seeing system, it is characterised in that: the adjacent plantation ridge (13) it Between dug gutter (15), gutter (15) upper berth is stamped grille cover plate (16), the grille cover plate (16) for trip Visitor walking, dug collecting gutter (17 ') between the collecting-tank (4) and planting greenhouse (1), all gutters (15) and All pouring water pipes (6) are connected to the collecting gutter (17 ') respectively, the collecting gutter (17 ') by drainage ditch (18) with Collecting-tank (4) connection.

8. sightseeing experience type according to claim 7 goes sight-seeing system, it is characterised in that: on the pool wall of the collecting-tank (4) Equipped with water outlet, the depth of precipitating screened well (8) is greater than the depth of the collecting-tank (4), precipitating screened well (8) Shaft bottom is equipped with water inlet, is successively equipped with pebble layer (8a), quartz sand layer from the bottom up in the precipitating screened well (8) (8b), diatomite layer (8c) and PP cotton layer (8d), the water outlet of the collecting-tank (4) and precipitating screened well (8) into Mouth of a river connection, the water inlet end of the transition water pipe are connected to the precipitating screened well (8) above the PP cotton layer (8d).

9. sightseeing experience type according to claim 8 goes sight-seeing system, it is characterised in that: the bottom of trench of the gutter (15) It is equipped with one layer of cobblestone, the average block diameter of the cobblestone in the gutter (15) is greater than in the precipitating screened well (8) The average block diameter of pebble layer (8a).

10. sightseeing experience type according to claim 1 goes sight-seeing system, it is characterised in that: the planting greenhouse (1) includes two Item pedestal disposed in parallel (1a) forms the growing area, edge on two pedestals (1a) between two pedestals (1a) Its length direction offers the necking through slot (1d) of bar shaped respectively, sets in parallel along its length between two pedestals (1a) It is equipped with the film support bar (1b) of more arches, is respectively equipped with and the contracting on two free ends of the film support bar (1b) The adaptable fixed block (1c) of mouth through slot (1d) cross sectional shape, two fixed blocks (1c) of the film support bar (1b) are blocked respectively Tightly in the necking through slot (1d) of two pedestals (1a), the length of the fixed block (1c) is greater than the fixed block (1c) The top of thickness, all film support bars (1b) is equipped with film jointly.