CN111466237B

CN111466237B - Modern agriculture big-arch shelter binding apparatus that grows

Info

Publication number: CN111466237B
Application number: CN202010309043.3A
Authority: CN
Inventors: 王国庆; 王红; 李宁
Original assignee: Individual
Current assignee: Linyi Xinzhi Agricultural Technology Co.,Ltd.
Priority date: 2020-04-19
Filing date: 2020-04-19
Publication date: 2022-10-25
Anticipated expiration: 2040-04-19
Also published as: CN111466237A

Abstract

The invention relates to the field of agricultural planting, in particular to a modern agricultural greenhouse growth binding device which comprises a supporting mechanism, a binding structure, a positioning mechanism and extension mechanisms, wherein the supporting mechanism is fixedly connected with the positioning mechanism, the positioning mechanism is provided with a plurality of extension mechanisms, the extension mechanisms are provided with the binding structure, and the supporting mechanism comprises an upright rod, a sliding sleeve, a threaded sleeve, an extension plate, a first rotating pin, a second rotating pin, a connecting rod, a third rotating pin and a supporting leg.

Description

Modern agriculture big-arch shelter binding apparatus that grows

Technical Field

The invention relates to the field of agricultural planting, in particular to a bundling device for growth of a modern agricultural greenhouse.

Background

Modern planting is the direction of future development. To the growth of some plants, need the climbing support, during traditional farming, need the manual work to build simple and easy wooden support, the growth demand that satisfies, but the support of this kind of mode can only single use, and it is loaded down with trivial details to build the process, and can't tie up the mode according to the demand adjustment, uses very inconveniently.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a bundling device for the growth of a modern agricultural greenhouse.

The technical scheme adopted by the invention for solving the technical problem is as follows: the utility model provides a modern agriculture big-arch shelter grows binding apparatus, includes supporting mechanism, binding structure, positioning mechanism and extension mechanism, supporting mechanism and positioning mechanism fixed connection, the last a plurality of extension mechanisms of installing of positioning mechanism, all install binding structure on the extension mechanism.

The supporting mechanism comprises a vertical rod, a sliding sleeve, a threaded sleeve, an epitaxial plate, a first rotating pin, a second rotating pin, a connecting rod, a third rotating pin and a supporting leg, the sliding sleeve is sleeved on the outer side of the vertical rod, the threaded sleeve is sleeved in the inner rotating sleeve of the sliding sleeve, the third rotating pin is arranged on the outer wall of the sliding sleeve in a bilateral symmetry mode, the three epitaxial plate is fixedly connected to the bottom outer wall of the vertical rod, the first rotating pin is fixedly embedded on the epitaxial plate, the supporting leg is sleeved on the outer side of the first rotating pin in a rotating mode, the second rotating pin is fixedly embedded on the supporting leg, and the connecting rod is connected between the second rotating pin and the third rotating pin in a rotating mode.

Specifically, the strapping structure includes clamp splice, lift groove, a bolt, adjusts the pole, a rope groove, double-layered fork, perforation, prick rope and slot, the lift groove has all been seted up on two relative lateral walls of clamp splice, the slot has all been seted up on two other relative lateral walls of clamp splice, the upside of clamp splice is inlayed and is equipped with a bolt, the embedded regulation pole that is equipped with of slot, it is provided with a plurality of rope grooves to adjust pole outer wall equidistance, the one end fixedly connected with of regulation pole presss from both sides the fork, the perforation has all been seted up on the relative lateral wall of double-layered fork, it pricks the rope to be equipped with in the perforation.

Specifically, positioning mechanism includes montant, clamp cover, no. two bolts, telescopic sleeve, no. three bolts, limiting plate and guide arm, montant fixed connection is on the top of pole setting, the outside cover of montant is equipped with a plurality of clamp covers, the one side that presss from both sides the cover all inlays and is equipped with No. two bolts, the opposite side fixedly connected with telescopic sleeve that presss from both sides the cover, telescopic sleeve keeps away from one side of pressing from both sides the cover and goes up to slide and inlays and be equipped with the guide arm, the guide arm is located the one end fixedly connected with limiting plate in telescopic sleeve, telescopic sleeve keeps away from the one end upside that presss from both sides the cover and inlays and be equipped with No. three bolts.

It is specific, extension mechanism includes extension sleeve, extension pole, screw, commentaries on classics board, briquetting, baffle and No. two grooving, extension sleeve fixed connection is at the guide arm end, it inlays and is equipped with the extension pole to all slide on the telescopic both sides terminal surface of extension, a plurality of grooves have been seted up to the equidistance on the extension pole outer wall, the equal fixedly connected with baffle of one end that the extension pole is located the extension sleeve, the telescopic upside both ends of extension are inlayed and are equipped with the screw, the equal fixedly connected with commentaries on classics board in bottom of screw, the outside of commentaries on classics board is rotated the cover and is equipped with the briquetting.

Specifically, the outer side of the vertical rod is provided with an external thread, and the threaded sleeve is in threaded connection with the vertical rod.

Specifically, a screw hole structure matched with the first bolt is formed in the top wall of the clamping block, and the lifting groove is located above the inserting groove.

Specifically, the side wall of the clamping sleeve is provided with a screw hole structure corresponding to the second bolt, and the upper side of the telescopic sleeve is provided with a screw hole structure corresponding to the third bolt.

Specifically, the telescopic upside of extension corresponds the screw and has seted up the screw structure, the arc is sunken seted up to the downside of briquetting, the telescopic one end of extension pole keeping away from the extension passes the lift groove.

The invention has the beneficial effects that:

(1) The modern agricultural greenhouse growth binding device provided by the invention has the advantages that the threaded sleeve is rotated, the threaded sleeve can be screwed in along the threaded structure of the outer wall of the vertical rod, the connecting rod is further pushed, the supporting leg rotates around the first rotating pin, the supporting leg is further adjusted in a telescopic mode, when the modern agricultural greenhouse growth binding device is used, the supporting leg is turned over downwards, a stress pivot is increased, the bottom end of the supporting leg is of a conical structure, the soil surface can be penetrated, the situation that the binding device is toppled over is avoided, when the modern agricultural greenhouse growth binding device is stored, the supporting leg is turned over upwards, the carrying and taking of planting personnel are facilitated, the storage is convenient, and the space utilization rate is high.

(2) According to the device for binding the growth of the modern agricultural greenhouse, the jacket can slide up and down on the vertical rod, the guide rod can extend out of the telescopic sleeve, the extension rod can be drawn out of the extension sleeve, the jacket, the extension rod and the guide rod can be limited in a spiral compression mode, the binding support frame can be conveniently adjusted in height and range, plants in different growth stages can be further met, the operation is simple and reasonable, and the trouble of manually building the support frame is avoided.

(3) According to the device for bundling growth of the modern agricultural greenhouse, the tying rope is tied in the rope groove in the growth stage of the plant, the bottom end of the tying rope is tied to the stem of the plant, so that the plant can be hung, the device can be adjusted in real time along with the growth of the plant, the growth of the plant is facilitated, the height of the bottom end of the tying rope is repeatedly increased along with the growth of vines, the requirement for bundling growth of the modern agricultural greenhouse can be met, the growth of the vines can obtain sufficient time and space, and the yield is improved.

(4) According to the modern agricultural greenhouse growth binding device, in the plant growing stage, the clamping blocks are sleeved on the outer sides of the extension rods, the adjusting rods obliquely penetrate through the slots, the adjusting rods with proper lengths are reserved, the clamping forks can be close to plants, the adjusting rods and the extension rods can be effectively abutted by rotating the bolts, then the binding ropes penetrate through the adjacent through holes to bind the plants tightly, when the plants grow beyond the binding device, the necks of the plants can still be bound and supported, and the plants are ensured to be completely developed.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic side view of a modern agricultural greenhouse growing and binding apparatus provided by the present invention;

FIG. 2 is a structural section view of a telescopic sleeve in the modern agricultural greenhouse growth binding device provided by the invention;

FIG. 3 is a schematic perspective view of an extending mechanism of the modern agricultural greenhouse growing and binding apparatus provided by the present invention;

FIG. 4 is a schematic structural section view of an extension sleeve of the modern agricultural greenhouse growing and binding device provided by the invention;

FIG. 5 is a schematic perspective view of a clamping block in the modern agricultural greenhouse growing and binding apparatus provided by the present invention;

FIG. 6 is a schematic structural view of a first embodiment of a modern agricultural greenhouse growing and binding apparatus provided by the present invention;

FIG. 7 is a schematic structural view of a second embodiment of the device for bundling the growth of a modern agricultural greenhouse according to the present invention;

fig. 8 is a schematic diagram of the use of the second embodiment of the modern agricultural greenhouse growing and binding device provided by the invention.

In the figure: 1. a support mechanism; 11. erecting a rod; 12. a sliding sleeve; 13. a threaded sleeve; 14. an epitaxial plate; 15. a first rotating pin; 16. rotating the pin II; 17. a connecting rod; 18. rotating the pin; 19. a support leg; 2. a strapping structure; 21. a clamping block; 22. a lifting groove; 23. a first bolt; 24. adjusting a rod; 25. a first rope groove; 26. a clamping fork; 27. perforating; 28. tying a rope; 29. inserting slots; 3. a positioning mechanism; 31. a vertical rod; 32. a jacket; 33. a second bolt; 34. a telescopic sleeve; 35. a third bolt; 36. a limiting plate; 37. a guide bar; 4. an extension mechanism; 41. extending the sleeve; 42. a spreader bar; 43. a screw; 44. rotating the plate; 45. briquetting; 46. a baffle plate; 47. a second rope groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example 1: as shown in FIG. 6, the modern agricultural greenhouse growth binding device comprises a supporting mechanism 1, a binding structure 2, a positioning mechanism 3 and extension mechanisms 4, wherein the supporting mechanism 1 is fixedly connected with the positioning mechanism 3, the positioning mechanism 3 is provided with a plurality of extension mechanisms 4, and the binding structure 2 is arranged on each extension mechanism 4.

Specifically, supporting mechanism 1 includes pole setting 11, sliding sleeve 12, thread bush 13, epitaxial plate 14, a round pin 15, no. two round pins 16, connecting rod 17, no. three round pins 18 and landing leg 19, the outside cover of pole setting 11 is equipped with sliding sleeve 12, the internal rotation cover of sliding sleeve 12 is equipped with thread bush 13, the outer wall bilateral symmetry of sliding sleeve 12 is provided with No. three round pins 18, the three epitaxial plate 14 of bottom outer wall fixedly connected with of pole setting 11, equal fixed the embedding is equipped with a round pin 15 on the epitaxial plate 14, the outside of a round pin 15 all rotates the cover and is equipped with landing leg 19, equal fixed the embedding is equipped with No. two round pins 16 on landing leg 19, all rotate between No. two round pins 16 and No. three round pins 18 and be connected with connecting rod 17.

Specifically, binding structure 2 includes clamp splice 21, lift groove 22, a bolt 23, adjusts pole 24, a grooving 25, double-layered fork 26, perforation 27, prick rope 28 and slot 29, lift groove 22 has all been seted up on two relative lateral walls of clamp splice 21, slot 29 has all been seted up on two other relative lateral walls of clamp splice 21, the upside of clamp splice 21 is inlayed and is equipped with a bolt 23, the embedded regulation pole 24 that is equipped with of slot 29, it is provided with a plurality of grooving 25 to adjust pole 24 outer wall equidistance, the one end fixedly connected with of adjusting pole 24 presss from both sides fork 26, perforation 27 has all been seted up on the relative lateral wall of double-layered fork 26, be equipped with prick rope 28 in the perforation 27.

Specifically, positioning mechanism 3 includes montant 31, presss from both sides cover 32, no. two bolts 33, telescopic sleeve 34, no. three bolts 35, limiting plate 36 and guide arm 37, montant 31 fixed connection is on the top of pole setting 11, the outside cover of montant 31 is equipped with a plurality of jackets 32, the one side of pressing from both sides cover 32 all inlays and is equipped with No. two bolts 33, the opposite side fixedly connected with telescopic sleeve 34 that presss from both sides cover 32, telescopic sleeve 34 keeps away from one side of pressing from both sides cover 32 and serves the slip and inlay and be equipped with guide arm 37, the one end fixedly connected with limiting plate 36 that guide arm 37 is located telescopic sleeve 34, telescopic sleeve 34 keeps away from the one end upside that presss from both sides cover 32 and inlays and be equipped with No. three bolts 35.

Specific, extension mechanism 4 is including extension sleeve 41, extension pole 42, screw 43, commentaries on classics board 44, briquetting 45, baffle 46 and No. two grooving 47, extension sleeve 41 fixed connection is at the 37 ends of guide arm, equal slip inlays on extension sleeve 41's the both sides terminal surface and is equipped with extension pole 42, a plurality of No. two grooving 47 have been seted up to the equidistance on extension pole 42 outer wall, extension pole 42 is located the equal fixedly connected with baffle 46 of the one end in extension sleeve 41, the upside both ends of extension sleeve 41 are inlayed and are equipped with screw 43, the equal fixedly connected with commentaries on classics board 44 in bottom of screw 43, the outside of commentaries on classics board 44 is rotated the cover and is equipped with briquetting 45.

Specifically, the outer side of the vertical rod 11 is provided with an external thread, and the threaded sleeve 13 is in threaded connection with the vertical rod 11.

Specifically, a screw hole structure matched with the first bolt 23 is formed in the top wall of the clamping block 21, and the lifting groove 22 is located above the insertion groove 29.

Specifically, a screw hole structure is formed in the side wall of the clamping sleeve 32 corresponding to the second bolt 33, and a screw hole structure is formed in the upper side of the telescopic sleeve 34 corresponding to the third bolt 35.

Specifically, the upper side of the extension sleeve 41 is provided with a screw hole structure corresponding to the screw 43, the lower side of the pressing block 45 is provided with an arc-shaped recess, and one end of the extension rod 42, which is far away from the extension sleeve 41, penetrates through the lifting groove 22.

When the device is used, the threaded sleeve 13 is rotated, the threaded sleeve 13 can be screwed in along a threaded structure on the outer wall of the vertical rod 11, the connecting rod 17 is further pushed, the supporting leg 19 can rotate around the first rotating pin 15 until the supporting leg 19 can be turned over downwards, a stress supporting point is increased, the bottom end of the supporting leg 19 is of a conical structure and can penetrate into the surface of soil, the binding device is prevented from toppling over, the jacket 32 can slide up and down on the vertical rod 31, the height of the jacket 32 can be limited by screwing the second bolt 33, plants in different growth stages can be further met, the guide rod 37 can extend out of the telescopic sleeve 34, the third bolt 35 can be screwed, the extending amount of the guide rod 37 can be limited, the extending rod 42 can be pulled out of the extending sleeve 41, the screw 43 is screwed, the extending rod 42 can be effectively fixed by means of friction force, the action range is expanded, further, the clamping block 21 is sleeved on the outer side of the extending rod 42, the adjusting rod 24 horizontally penetrates through the slot 29, the first bolt 23 is rotated, the adjusting rod 24 and the extending rod 42 can be effectively abutted, the rope is tied in a rope groove, the bottom end of the rope 28, the adjusting rope is tied up, the plant can be tied up, the bottom end of the plant can be hung on the plant, and the plant can be beneficial to growth in real-time.

Example 2: as shown in fig. 7 and 8, the modern agricultural greenhouse growth binding device comprises a supporting mechanism 1, a binding structure 2, a positioning mechanism 3 and extension mechanisms 4, wherein the supporting mechanism 1 is fixedly connected with the positioning mechanism 3, the positioning mechanism 3 is provided with a plurality of extension mechanisms 4, and the binding structure 2 is arranged on each extension mechanism 4.

Concretely, supporting mechanism 1 includes pole setting 11, sliding sleeve 12, thread bush 13, epitaxial plate 14, bull pin 15, bull pin 16, connecting rod 17, bull pin 18 and landing leg 19 No. two, the outside cover of pole setting 11 is equipped with sliding sleeve 12, the internal rotation cover of sliding sleeve 12 is equipped with thread bush 13, the outer wall bilateral symmetry of sliding sleeve 12 is provided with bull pin 18 No. three, the three epitaxial plate 14 of bottom outer wall fixedly connected with of pole setting 11, equal fixed the embedding is equipped with bull pin 15 on the epitaxial plate 14, the outside of bull pin 15 all rotates the cover and is equipped with landing leg 19, equal fixed the embedding is equipped with bull pin 16 No. two on landing leg 19, all rotate between 16 and the bull pin 18 No. two and be connected with connecting rod 17.

Specifically, structure 2 includes clamp splice 21, lift groove 22, a bolt 23, adjusts pole 24, a grooving 25, double-layered fork 26, perforation 27, prick rope 28 and slot 29, lift groove 22 has all been seted up on two relative lateral walls of clamp splice 21, slot 29 has all been seted up on two other relative lateral walls of clamp splice 21, the upside of clamp splice 21 is inlayed and is equipped with a bolt 23, the embedded regulation pole 24 that is equipped with of slot 29, adjust pole 24 outer wall equidistance and be provided with a plurality of grooving 25, the one end fixedly connected with of adjusting pole 24 presss from both sides fork 26, perforation 27 has all been seted up on the relative lateral wall of double-layered fork 26, be equipped with in the perforation 27 and prick rope 28.

Specifically, positioning mechanism 3 includes montant 31, presss from both sides cover 32, no. two bolts 33, telescopic sleeve 34, no. three bolts 35, limiting plate 36 and guide arm 37, montant 31 fixed connection is on the top of pole setting 11, the outside cover of montant 31 is equipped with a plurality of jackets 32 that press from both sides, the one side of pressing from both sides cover 32 all inlays and is equipped with No. two bolts 33, the opposite side fixedly connected with telescopic sleeve 34 that presss from both sides cover 32, telescopic sleeve 34 is kept away from one side of pressing from both sides cover 32 and is served to slide and inlay and be equipped with guide arm 37, one end fixedly connected with limiting plate 36 that guide arm 37 is located telescopic sleeve 34, telescopic sleeve 34 keeps away from the one end upside that presss from both sides cover 32 and inlays and be equipped with No. three bolts 35.

Specifically, the upper side of the extension sleeve 41 is provided with a screw hole structure corresponding to the screw 43, the lower side of the pressing block 45 is provided with an arc-shaped recess, and one end of the extension rod 42, which is far away from the extension sleeve 41, penetrates through the lifting groove 22

When the device is used, the threaded sleeve 13 is rotated, the threaded sleeve 13 can be screwed in along a threaded structure on the outer wall of the vertical rod 11, the connecting rod 17 is further pushed, the supporting leg 19 rotates around the first rotating pin 15 until the supporting leg 19 can be turned over downwards, a stress supporting point is increased, the bottom end of the supporting leg 19 is of a conical structure and can penetrate into the surface of soil, the binding device is prevented from toppling over, the jacket 32 can slide up and down on the vertical rod 31, the height of the jacket 32 can be limited by screwing the second bolt 33, plants in different growth stages can be met, the guide rod 37 can extend out of the telescopic sleeve 34, the third bolt 35 can be screwed, the extending amount of the guide rod 37 can be limited, the extending rod 42 can be drawn out of the extending sleeve 41, the screw 43 is screwed, the extending rod 42 can be effectively fixed by means of friction force, the action range is expanded, further, the clamping block 21 is sleeved on the outer side of the extending rod 42, the adjusting rod 24 is obliquely passed through the slot 29, the adjusting rod 24 is reserved with the adjusting rod 24 with an appropriate length, the clamping fork 26 can be close to the plant, the first bolt 23 can be rotated, the adjusting rod 24 and can be further, the binding rod 42 can be effectively passed through the binding rope, the adjacent plant can be completely supported by the binding device, and can be grown plant, and can be completely supported on the plant, and can be grown plant.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A modern agricultural greenhouse growth binding device comprises a supporting mechanism (1), a binding structure (2), a positioning mechanism (3) and an extension mechanism (4), and is characterized in that the supporting mechanism (1) is fixedly connected with the positioning mechanism (3), the extension mechanism (4) is installed on the positioning mechanism (3), and the binding structure (2) is installed on each extension mechanism (4); the bundling structure (2) comprises a clamping block (21), a lifting groove (22), a first bolt (23), an adjusting rod (24), a first rope groove (25), a clamping fork (26), a perforation (27), a bundling rope (28) and a slot (29), and is characterized in that the lifting groove (22) is formed in two opposite side walls of the clamping block (21), the slot (29) is formed in the other two opposite side walls of the clamping block (21), the first bolt (23) is embedded in the upper side of the clamping block (21), the adjusting rod (24) is embedded in the slot (29), the plurality of first rope grooves (25) are equidistantly arranged on the outer wall of the adjusting rod (24), the clamping fork (26) is fixedly connected to one end of the adjusting rod (24), the perforation (27) is formed in the opposite side walls of the clamping fork (26), and the bundling rope (28) is arranged in the perforation (27);

supporting mechanism (1) is including pole setting (11), sliding sleeve (12), thread bush (13), epitaxial plate (14), bull pin (15), bull pin (16), connecting rod (17), three bull pin (18) and landing leg (19), its characterized in that, the outside cover of pole setting (11) is equipped with sliding sleeve (12), sliding sleeve (12) internal rotation is equipped with thread bush (13), the outer wall bilateral symmetry of sliding sleeve (12) is provided with three bull pin (18), the three epitaxial plate (14) of bottom outer wall fixedly connected with of pole setting (11), equal fixed the inlaying is equipped with bull pin (15) on epitaxial plate (14), the outside of bull pin (15) all rotates the cover and is equipped with landing leg (19), all fixed the inlaying is equipped with bull pin (16) No. two on landing leg (19), all rotate between No. two bull pin (16) and the bull pin (18) and be connected with connecting rod (17).

2. The modern agricultural greenhouse growth binding apparatus of claim 1, wherein: positioning mechanism (3) include montant (31), press from both sides cover (32), no. two bolt (33), telescopic sleeve (34), no. three bolt (35), limiting plate (36) and guide arm (37), montant (31) fixed connection is on the top of pole setting (11), the outside cover of montant (31) is equipped with a plurality of jackets (32), the one side that presss from both sides cover (32) all inlays and is equipped with No. two bolt (33), the opposite side fixedly connected with telescopic sleeve (34) that presss from both sides cover (32), telescopic sleeve (34) are kept away from one side of pressing from both sides cover (32) and are served and slide to inlay and be equipped with guide arm (37), guide arm (37) are located one end fixedly connected with limiting plate (36) of telescopic sleeve (34), telescopic sleeve (34) are kept away from the one end upside that presss from both sides cover (32) and are inlayed and are equipped with No. three bolt (35).

3. The modern agricultural greenhouse growing and bundling device as claimed in claim 1, wherein: extension mechanism (4) are including extension sleeve (41), extension pole (42), screw (43), commentaries on classics board (44), briquetting (45), baffle (46) and No. two grooving (47), extension sleeve (41) fixed connection is at guide arm (37) end, equal sliding inlays and is equipped with extension pole (42) on the both sides terminal surface of extension sleeve (41), a plurality of grooving (47) have been seted up to the equidistance on extension pole (42) outer wall, extension pole (42) are located the equal fixedly connected with baffle (46) of one end in extension sleeve (41), the upside both ends of extension sleeve (41) are inlayed and are equipped with screw (43), the equal fixedly connected with in bottom of screw (43) changes board (44), the outside of changeing board (44) is rotated the cover and is equipped with briquetting (45).

4. The modern agricultural greenhouse growing and bundling device as claimed in claim 1, wherein: the outer side of the vertical rod (11) is provided with an external thread, and the threaded sleeve (13) is in threaded connection with the vertical rod (11).

5. The modern agricultural greenhouse growing and bundling device as claimed in claim 1, wherein: the top wall of the clamping block (21) is provided with a screw hole structure matched with the first bolt (23), and the lifting groove (22) is positioned above the inserting groove (29).

6. The modern agricultural greenhouse growth binding apparatus of claim 2, wherein: the side wall of the clamping sleeve (32) is provided with a screw hole structure corresponding to the second bolt (33), and the upper side of the telescopic sleeve (34) is provided with a screw hole structure corresponding to the third bolt (35).

7. The modern agricultural greenhouse growing and bundling device as claimed in claim 3, wherein: screw hole structures have been seted up to the upside of extension sleeve (41) corresponding screw (43), the arc is sunken has been seted up to the downside of briquetting (45), the one end that extension sleeve (41) was kept away from in extension pole (42) passes lift groove (22).