CN111887075B

CN111887075B - Big-arch shelter farming watering irrigation equipment

Info

Publication number: CN111887075B
Application number: CN202010828225.1A
Authority: CN
Inventors: 曹慧; 李媛媛; 赵静; 韩敏; 国家进; 梁增文
Original assignee: Weifang University
Current assignee: Weifang University
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-11-16
Anticipated expiration: 2040-08-17
Also published as: CN111887075A

Abstract

The invention provides a greenhouse agricultural planting irrigation device which comprises a hook, a lifting mechanism, a sleeve, a main pipeline, a clamping structure, branch pipelines, a nozzle and a fixed moving mechanism. The invention provides a greenhouse agricultural planting, irrigating and irrigating device, which can solve the following problems in the greenhouse agricultural planting, irrigating and irrigating process: a. the greenhouse crop planting is generally in a closed state, and water required by crop growth is difficult to obtain from the nature, however, the traditional method is manual irrigation, and the irrigation mode has the disadvantages of high labor intensity, long working time and low efficiency, and is not beneficial to the healthy growth of crops; b. some irrigation equipment on the existing market are precise in equipment, expensive in price and limited in irrigation, cannot be suitable for greenhouses with different structures, and cannot be used for properly adjusting the equipment structure according to different crops to enable the equipment structure to be used for better irrigation.

Description

Big-arch shelter farming watering irrigation equipment

Technical Field

The invention relates to the technical field of crop irrigation, in particular to a greenhouse agricultural planting irrigation device.

Background

The technical measures of supplementing the water needed by crops by irrigation are that in order to ensure the normal growth of the crops and obtain high and stable yield, sufficient water needs to be supplied to the crops, and under natural conditions, the water requirements of the crops cannot be met due to insufficient precipitation or uneven distribution, so that the irrigation needs to be carried out artificially to supplement the deficiency of natural rainfall. The irrigation principle is irrigation quantity, irrigation frequency and time, which are determined according to the water-demand characteristics of crops, growth stage, climate and soil conditions, and the irrigation needs to be timely, properly and reasonably carried out, and the types of the irrigation mainly comprise pre-sowing irrigation, seedling-accelerating irrigation, growth period irrigation, winter irrigation and the like.

At present, the following difficult problems exist in the irrigation process of greenhouse agricultural planting: a. the greenhouse crop planting is generally in a closed state, and water required by crop growth is difficult to obtain from the nature, however, the traditional method is manual irrigation, and the irrigation mode has the disadvantages of high labor intensity, long working time and low efficiency, and is not beneficial to the healthy growth of crops; b. some irrigation equipment on the existing market are precise in equipment, expensive in price and limited in irrigation, cannot be suitable for greenhouses with different structures, and cannot be used for properly adjusting the equipment structure according to different crops to enable the equipment structure to be used for better irrigation.

Disclosure of Invention

Technical problem to be solved

The invention provides a greenhouse agricultural planting, irrigating and irrigating device, which can solve the following problems in the greenhouse agricultural planting, irrigating and irrigating process: a. the greenhouse crop planting is generally in a closed state, and water required by crop growth is difficult to obtain from the nature, however, the traditional method is manual irrigation, and the irrigation mode has the disadvantages of high labor intensity, long working time and low efficiency, and is not beneficial to the healthy growth of crops; b. some irrigation equipment on the existing market are precise in equipment, expensive in price and limited in irrigation, cannot be suitable for greenhouses with different structures, and cannot be used for properly adjusting the equipment structure according to different crops to enable the equipment structure to be used for better irrigation.

(II) technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme: a greenhouse agricultural planting irrigation device comprises a hook, a lifting mechanism, sleeves, a main pipeline, a clamping structure, branch pipelines, nozzles and a fixed moving mechanism, wherein the main pipeline is arranged along the length direction of a greenhouse and is positioned in the height direction of the middle part of the greenhouse; the main pipeline is provided with a connecting pipe along the left and right direction, the end face of the connecting pipe far away from the main pipeline is provided with a clamping mechanism, one end of the branch pipeline is connected with the connecting pipe of the main pipeline through the clamping mechanism, the other end of the branch pipeline is also connected with a fixed moving mechanism through the clamping mechanism, the connecting part of the fixed moving mechanism and the branch pipeline is also provided with the clamping mechanism, the side wall of the branch pipeline below the fixed moving mechanism is provided with a mounting hole, and a nozzle is mounted in the mounting hole; wherein:

the lifting mechanism comprises a driving motor, a driving shaft, a driving chain wheel, a transmission chain, a driven chain wheel, a driven shaft, a wire coil, a steel cable, a rotary table, a fixed seat, a correcting block and an installation frame, wherein the driving motor is fixed on the front end face of the installation frame through a motor seat, the driving motor is connected with one end of the driving shaft through a coupler, and the driving chain wheel is sleeved at the other end of the driving shaft; the driving chain wheel is connected with the driving chain wheel through a driving chain for transmission, the other end of the driven shaft is sleeved with a wire coil, and one end of a steel cable is fixed on the wire coil; mounting groove top intermediate position department fixedly connected with fixing base, the carousel passes through the dwang and rotates to be connected on the fixing base, middle part department has seted up annular chute on the carousel lateral wall, the cable wire is around in the upper end part annular chute of carousel, and the carousel rotates and can drive the cable wire and remove, the correction block is provided with on the opposite mounting groove lateral wall of drum, the correction block is the fourth of cylinder, the arc spout has been seted up on the circular lateral wall of correction block, the cable wire can follow vertical direction after the correction block and remove, the transition hole has been seted up to mounting bracket bottom intermediate position, the transition hole is linked together with the mounting groove.

The clamping mechanism comprises an inner ring, steel balls, a clamping seat, a first pressure spring, a connecting rod, a limiting rod, a first limiting block, a second limiting block, an outer ring and a pressure spring rod, wherein the inner ring is provided with a ring groove, the inner side wall of the inner ring is provided with a rectangular groove, the ring groove is communicated with the rectangular groove, the outer side wall of the inner ring is uniformly provided with round holes along the axis of the inner ring, the round holes are communicated with the ring groove, one end of the connecting rod penetrates through the round holes to enter the ring groove, the connecting rod in the ring groove is sleeved with the first pressure spring, the limiting rod is arranged on two sides of the first pressure spring, one end of the limiting rod is fixed on the outer side wall of the ring groove, one end of the connecting rod in the ring groove is connected with the bottom of the clamping seat, the other end of the clamping seat is fixed with the steel balls, the steel balls penetrate through the rectangular groove, and the diameter of the steel balls is larger than the width of the rectangular groove; the connecting rod one end that is located the inner ring lateral wall is fixed with the stopper No. one, No. one the stopper is right trapezoid structure, No. two the stopper also is right trapezoid structure, No. one the stopper oblique terminal surface with No. two the stopper oblique terminal surfaces contact, No. two the stopper is fixed on the outer loop inside wall, the inner ring with be provided with the pressure spring pole on the relative terminal surface of outer loop, the pressure spring pole both ends are fixed respectively on the relative interior terminal surface of outer loop and inner ring.

Preferably, the fixed moving mechanism comprises a moving block, a lifting rod, a fixed block, a locking plate and a locking bolt, wherein one end of an inner ring is fixedly connected to the side wall of the moving block, circular holes are formed in the upper end face and the lower end face of the moving block, the moving block is sleeved on the lifting rod through the circular holes, the fixed block is fixedly connected to the two ends of the lifting rod, a semicircular groove is formed in the side wall of the fixed block, a semicircular groove is also formed in the middle of the locking plate, two semicircular grooves form a circular groove structure, the circular groove is sleeved on steel structures on the two sides of the greenhouse, and the locking bolt penetrates through the locking plate from one side of the fixed block and is inserted into the fixed block.

Preferably, a rubber ring is arranged on the step surface of the inner side wall of the inner ring.

Preferably, the two ends of the branch pipeline are fixedly provided with connecting rings, and the outer side walls of the connecting rings are provided with circular arc-shaped grooves.

Preferably, the whole clamping seat is of a bowl-shaped structure, steel balls are fixed on the bowl surface of the clamping seat, and the bottom of the clamping seat is fixedly connected with one end of the connecting rod.

(III) advantageous effects

1. The invention provides a greenhouse agricultural planting, irrigating and irrigating device, which can solve the following problems in the greenhouse agricultural planting, irrigating and irrigating process: a. the greenhouse crop planting is generally in a closed state, and water required by crop growth is difficult to obtain from the nature, however, the traditional method is manual irrigation, and the irrigation mode has the disadvantages of high labor intensity, long working time and low efficiency, and is not beneficial to the healthy growth of crops; b. some irrigation equipment on the existing market are precise in equipment, expensive in price and limited in irrigation, cannot be suitable for greenhouses with different structures, and cannot be used for properly adjusting the equipment structure according to different crops to enable the equipment structure to be used for better irrigation.

2. The lifting mechanism designed by the invention utilizes the steel cable to drive the main pipeline to lift so as to adjust the height, so that effective irrigation can be carried out on different crops or crops in different growth periods, the driving motor drives the transmission chain to drive the wire coils to rotate simultaneously, so that the steel cable is wound or paid off on the wire coils, the other end of the steel cable is vertically connected with the sleeve through the turntable and the correcting block, and further the main pipeline on the sleeve is driven, and finally the height adjustment of the branch pipeline is realized.

3. The clamping mechanism designed by the invention utilizes the contraction characteristic of the spring to realize the connection of the branch pipeline and the main pipeline, and the clamping mode is convenient for installation and disassembly, so that the branch pipeline does not need to spend a large amount of time in the installation and disassembly processes during the periodic disassembly and cleaning and the installation.

Drawings

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

FIG. 1 is a schematic diagram of the three-dimensional structure of the main body of a greenhouse agricultural planting irrigation device of the present invention;

FIG. 2 is a schematic diagram of a front view of a greenhouse agricultural planting irrigation device of the present invention;

FIG. 3 is a schematic cross-sectional view of the lift mechanism of the present invention; (looking from the front to the back)

FIG. 4 is a schematic cross-sectional view of the clamping mechanism of the present invention;

FIG. 5 is a schematic sectional view of the branch pipe of the present invention;

fig. 6 is an enlarged view of the portion a of fig. 2 in the present specification.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 6, the irrigation device for agricultural planting in the greenhouse comprises a hook 1, a lifting mechanism 2, sleeves 3, a main pipeline 4, a clamping mechanism 5, branch pipelines 6, a nozzle 7 and a fixed moving mechanism 8, wherein the main pipeline 4 is arranged along the length direction of the greenhouse and is positioned in the height direction of the middle part of the greenhouse, the sleeves 3 are sleeved on the main pipeline 4, the outer side walls of the sleeves 3 are fixedly connected with the lifting mechanism 2, the upper end of the lifting mechanism 2 is connected with the hook 1, and the hook 1 is fixed on a steel structure at the middle position of the top of the greenhouse; trunk line 4 has seted up connecting pipe 41 on its left and right sides direction, keeps away from trunk line 4 connecting pipe 41 terminal surface is provided with

latch mechanism

5, 6 one ends of lateral conduit are connected with trunk line 4's connecting pipe 41 through latch mechanism 5, the 6 other ends of lateral conduit also are connected with fixed moving mechanism 8 through latch mechanism 5, fixed moving mechanism 8 with the department of being connected of lateral conduit 6 also is provided with latch mechanism 5, lateral conduit 6 be located the lateral wall of below on seted up the mounting hole, install nozzle 7 in the mounting hole.

During specific work, start elevating system 2, elevating system 2 drives trunk line 4 through sleeve 3 and reciprocates, trunk line 4 is connected with 6 one end of lateral conduit through latch mechanism 5, the 6 other end of lateral conduit is connected with fixed moving mechanism 8, make lateral conduit 6 reciprocate under trunk line 4 drives, lateral conduit 6 slides on fixed moving mechanism 8 simultaneously, when adjusting suitable height until lateral conduit 6, irrigation water passes through the water pump and introduces it in trunk line 4, rivers in trunk line 4 advance lateral conduit 6, irrigation water sprays to crops through nozzle 7 on lateral conduit 6.

The branch pipeline 6 both ends be fixed with go-between 61, circular arc recess 62 has been seted up on the go-between 61 lateral wall, is fixed with go-between 61 in connecting pipe 41 one end, is convenient for connecting pipe 41 to be connected with the connecting pipe 41 on the trunk line 4 through latch mechanism 5, sets up circular arc recess 62 and can the joint fix connecting pipe 41, avoids appearing connecting out of place or not connecting in the connection.

The lifting mechanism 2 comprises a driving motor 21, a driving shaft 22, a driving chain wheel 23, a transmission chain 24, a driven chain wheel 25, a driven shaft 26, a wire coil 27, a steel cable 28, a rotary disc 29, a fixed seat 210, a correcting block 211 and an installation frame 212, wherein the driving motor 21 is fixed on the front end surface of the installation frame 212 through a motor seat, the driving motor 21 is connected with one end of the driving shaft 22 through a coupler, and the driving chain wheel 23 is sleeved at the other end of the driving shaft 22; the mounting rack 212 is internally provided with a mounting groove, the driven shaft 26 is inserted into the side wall of the mounting rack 212 through a bearing, one end of the driven shaft 26, which is positioned on the outer side wall of the mounting rack 212, is sleeved with a driven sprocket 25, the driven sprocket 25 is connected with the driving sprocket 23 through a transmission chain 24 for transmission, the other end of the driven shaft 26 is sleeved with a wire coil 27, and one end of a steel cable 28 is fixed on the wire coil 27; mounting groove top intermediate position department fixedly connected with fixing base 210, carousel 29 rotates through the dwang and connects on fixing base 210, annular spout has been seted up to middle part department on the 29 lateral wall of carousel, 28 winds in the upper end part annular spout of carousel 29, and carousel 29 rotates and to drive 28 removals of cable wire, correction block 211 is provided with on the mounting groove lateral wall of drum 27 opposite face, correction block 211 is the fourth of cylinder, the arc spout has been seted up on the circular lateral wall of

correction block

211, 28 cable wire can follow vertical direction after correction block 211 and remove, the transition hole has been seted up to mounting bracket 212 bottom intermediate position, the transition hole is linked together with the mounting groove.

During specific work, the driving motor 21 is started, the driving motor 21 drives the driving shaft 22 through the coupler, the driving shaft 22 drives the driving chain wheel 23 sleeved on the driving shaft 22, the driving chain wheel 23 drives the driven chain wheels 25 to rotate together through the transmission chain 24, the driven chain wheels 25 drive the driven shaft 26 to rotate together, so that the wire coil 27 sleeved on the driven shaft 26 rotates together, the steel cable 28 is driven to move, meanwhile, the wire coil 27 can wind and collect redundant steel cable 28 wires, the steel cable 28 can be released when needed, the steel cable 28 drives the rotary table 29 to rotate, the steel cable 28 moves along the vertical direction through the correcting block 211, the other end of the steel cable 28 is connected with the sleeve 3, and the sleeve 3 is driven to move up and down.

The clamping mechanism 5 comprises an inner ring 51, steel balls 52, a clamping seat 53, a first pressure spring 54, a connecting rod 55, a limiting rod 56, a first limiting block 57, a second limiting block 58, an outer ring 59 and a pressure spring rod 50, wherein the inner ring 51 is provided with an annular groove, a rectangular groove is formed in the inner side wall of the inner ring 51 and communicated with the rectangular groove, round holes are uniformly formed in the outer side wall of the inner ring 51 along the axis of the inner ring, the round holes are communicated with the annular groove, one end of the connecting rod 55 penetrates through the round holes to enter the annular groove, the connecting rod 55 in the annular groove is sleeved with the first pressure spring 54, the limiting rods 56 are arranged on two sides of the first pressure spring 54, one end of each limiting rod 56 is fixed on the outer side wall of the annular groove, one end of the connecting rod 55 in the annular groove is connected with the bottom of the clamping seat 53, the steel balls 52 are fixed at the other end of the clamping seat 53, and the steel balls 52 penetrate through the rectangular groove, and the diameter of the steel ball 52 is larger than the width of the rectangular groove; a limit block 57 is fixed to one end of the connecting rod 55 located on the outer side wall of the inner ring 51, the limit block 57 is of a right trapezoid structure, the limit block 58 is of a right trapezoid structure, the oblique end face of the limit block 57 is in contact with the oblique end face of the limit block 58, the limit block 58 is fixed to the inner side wall of the outer ring 59, the inner ring 51 is provided with the compression spring rod 50 on the opposite end face of the outer ring 59, and two ends of the compression spring rod 50 are fixed to the inner end face of the outer ring 59 and the inner end face of the inner ring 51 respectively.

When the special fixture works, the inner ring 51 is fixed at the end part of the connecting pipe 41, the outer ring 59 is manually pushed to be free from hands, the second limit block 58 deflects, the connecting rod 55 moves towards the direction far away from the center of the inner ring 51 under the action of the first pressure spring 54, the connecting rod 55 drives the clamping seat 53 to move together, so that the steel balls 52 fixed on the clamping seat 53 also move together, the first limit block 57 connected with the other end of the connecting rod 55 moves synchronously, when the top limit rod 56 at the bottom of the clamping seat 53 stops moving, the connecting pipe 41 is inserted into the inner ring 51, the outer ring 59 is loosened, the outer ring 59 returns to the initial position under the action of the pressure spring rod 50, the second limit block 58 is driven to extrude the first limit block 57, the connecting rod 55 is further pushed, the steel balls 52 are driven to move towards the center of the inner ring 51 through the clamping seat 53, and the connecting pipe 41 is limited and fixed.

The rubber ring 511 is arranged on the step surface of the inner side wall of the inner ring 51, when the inner ring 51 is clamped with the connecting ring 61 on the connecting pipe 41, the rubber ring 511 can prevent the joint of the inner ring 51 and the connecting pipe 41 from leaking water, and meanwhile, the rubber ring 61 also has a buffering effect, so that the phenomenon of looseness when the inner ring 51 is connected with the connecting pipe 41 is avoided.

The whole of cassette 53 be bowl structure, cassette 53 bowl face is fixed with steel ball 52, cassette 53 bottom and connecting rod 55 one end looks fixed connection set bowl structure to cassette 53, and the steel ball 52 of being convenient for is placed wherein, and its bottom is the horizontal plane for pressure spring 54 can be through the cover establish on connecting rod 55 with the contact of cassette 53 bottom, makes things convenient for gag lever post 56 work simultaneously, has a restriction to connecting rod 55.

The fixed moving mechanism 8 comprises a moving block 81, a lifting rod 82, a fixed block 83, a locking plate 84 and a locking bolt 85, one end of an inner ring 51 is fixedly connected to the side wall of the moving block 81, round holes are formed in the upper end face and the lower end face of the moving block 81, the moving block 81 is sleeved on the lifting rod 82 through the round holes, the fixed block 83 is fixedly connected to the two ends of the lifting rod 82, a semi-circular groove is formed in the side wall of the fixed block 83, a semi-circular groove is also formed in the middle of the locking plate 84, a circular groove structure is formed by the two semi-circular grooves, the circular groove structure is sleeved on steel structures on the two sides of the greenhouse, and the locking bolt 85 penetrates through the locking plate 84 from one side far away from the fixed block 83 and penetrates through the fixed block 83.

During specific work, the fixed blocks 83 and the locking plates 84 are sleeved on the steel structure under the combined action, the steel structure is locked and fixed by the locking bolts 85, the lifting rod 82 is fixed between the two fixed blocks 83, the moving block 81 is sleeved on the lifting rod 82 in a sliding mode, and the side wall of the moving block 81 is fixedly connected with the inner ring 51.

The invention comprises the following steps:

the first step is as follows: the hook 1 is hung on a steel structure at the middle position of the top of the greenhouse, the lifting mechanism 2 is installed at the lower end of the hook 1, the lower end of the lifting mechanism 2 is connected with the main pipeline 4 through the sleeve 3, the movable fixing device is fixed on the steel structures at two sides of the greenhouse, and finally two ends of the branch pipeline 6 are connected to the connecting pipe 41 and the movable block 81 through the clamping mechanism 5;

the second step is that: starting the driving motor 21, adjusting the height of the main pipeline 4 by driving the length steel cable 28 until the height reaches a proper position, and stopping the driving motor 21;

the third step: the irrigation water is introduced into the main pipeline 4 through a water pump, so that the irrigation water flows into the branch pipelines 6, and is finally sprayed to the crops through the nozzles 7 to irrigate the crops.

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

Claims

1. The utility model provides a big-arch shelter farming watering irrigation equipment, includes couple (1), elevating system (2), sleeve (3), trunk line (4), latch mechanism (5), lateral conduit (6), nozzle (7) and fixed moving mechanism (8), its characterized in that: the main pipeline (4) is arranged along the length direction of the greenhouse and is positioned in the height direction of the middle part of the greenhouse, a plurality of sleeves (3) are sleeved on the main pipeline (4), the outer side walls of the sleeves (3) are fixedly connected with a lifting mechanism (2), a hook (1) is connected to the upper end of the lifting mechanism (2), and the hook (1) is fixed on a steel structure in the middle position of the top of the greenhouse; the pipeline connecting device is characterized in that a connecting pipe (41) is arranged on the main pipeline (4) in the left-right direction, a clamping mechanism (5) is arranged on the end face of the connecting pipe (41) far away from the main pipeline (4), one end of the branch pipeline (6) is connected with the connecting pipe (41) of the main pipeline (4) through the clamping mechanism (5), the other end of the branch pipeline (6) is also connected with a fixed moving mechanism (8) through the clamping mechanism (5), the clamping mechanism (5) is also arranged at the connecting position of the fixed moving mechanism (8) and the branch pipeline (6), a mounting hole is formed in the side wall of the branch pipeline (6) below the mounting hole, and a nozzle (7) is mounted in the mounting hole; wherein:

the lifting mechanism (2) comprises a driving motor (21), a driving shaft (22), a driving chain wheel (23), a transmission chain (24), a driven chain wheel (25), a driven shaft (26), a wire coil (27), a steel cable (28), a turntable (29), a fixed seat (210), a correcting block (211) and an installation frame (212), wherein the driving motor (21) is fixed on the front end surface of the installation frame (212) through a motor seat, the driving motor (21) is connected with one end of the driving shaft (22) through a coupler, and the driving chain wheel (23) is sleeved at the other end of the driving shaft (22); the mounting frame (212) is internally provided with a mounting groove, the driven shaft (26) is inserted into the side wall of the mounting frame (212) through a bearing, one end of the driven shaft (26) positioned on the outer side wall of the mounting frame (212) is sleeved with a driven chain wheel (25), the driven chain wheel (25) is connected with the driving chain wheel (23) through a transmission chain (24) for transmission, the other end of the driven shaft (26) is sleeved with a wire coil (27), and one end of a steel cable (28) is fixed on the wire coil (27); the middle position of the top of the mounting groove is fixedly connected with a fixing seat (210), the rotary table (29) is rotatably connected to the fixing seat (210) through a rotary rod, an annular sliding groove is formed in the middle of the outer side wall of the rotary table (29), the steel cable (28) is wound in the annular sliding groove in the upper end portion of the rotary table (29), the rotary table (29) can drive the steel cable (28) to move when rotating, the correcting block (211) is arranged on the side wall of the mounting groove opposite to the wire coil (27), the correcting block (211) is one fourth of a cylinder, an arc-shaped sliding groove is formed in the circular side wall of the correcting block (211), the steel cable (28) can move in the vertical direction after passing through the correcting block (211), a transition hole is formed in the middle position of the bottom of the mounting frame (212), and the transition hole is communicated with the mounting groove;

the clamping mechanism (5) comprises an inner ring (51), steel balls (52), a clamping seat (53), a first pressure spring (54), a connecting rod (55), a limiting rod (56), a first limiting block (57), a second limiting block (58), an outer ring (59) and a pressure spring rod (50), wherein the inner ring (51) is provided with a ring groove, the inner side wall of the inner ring (51) is provided with a rectangular groove, the ring groove is communicated with the rectangular groove, the outer side wall of the inner ring (51) is uniformly provided with round holes along the axis of the inner ring, the round holes are communicated with the ring groove, one end of the connecting rod (55) penetrates through the round holes to enter the ring groove, the connecting rod (55) positioned in the ring groove is sleeved with the first pressure spring (54), the two sides of the first pressure spring (54) are provided with the limiting rods (56), one end of the limiting rod (56) is fixed on the outer side wall of the ring groove, one end of the connecting rod (55) positioned in the ring groove is connected with the bottom of the clamping seat (53), a steel ball (52) is fixed at the other end of the clamping seat (53), the steel ball (52) penetrates through the rectangular groove, and the diameter of the steel ball (52) is larger than the width of the rectangular groove; a first limiting block (57) is fixed at one end of a connecting rod (55) positioned on the outer side wall of the inner ring (51), the first limiting block (57) is of a right trapezoid structure, the second limiting block (58) is also of a right trapezoid structure, the inclined end face of the first limiting block (57) is in contact with the inclined end face of the second limiting block (58), the second limiting block (58) is fixed on the inner side wall of the outer ring (59), a compression spring rod (50) is arranged on the end face, opposite to the inner ring (51) and the outer ring (59), of the inner ring (51), and two ends of the compression spring rod (50) are respectively fixed on the inner end face, opposite to the outer ring (59) and the inner ring (51);

fixed moving mechanism (8) including movable block (81), lifter (82), fixed block (83), locking plate (84) and locking bolt (85), movable block (81) lateral wall fixedly connected with inner ring (51) one end, the round hole has been seted up to terminal surface about movable block (81), movable block (81) are established on lifter (82) through the round hole cover, lifter (82) both ends fixedly connected with fixed block (83), the semicircle recess has been seted up on fixed block (83) lateral wall, locking plate (84) middle part position also is provided with the semicircle recess, two the semicircle recess forms a circular groove structure, the circular recess cover is established on the steel construction of big-arch shelter both sides, locking bolt (85) are from keeping away from fixed block (83) one side and are passed locking plate (84), and alternate in fixed block (83).

2. The greenhouse agricultural planting, irrigating and irrigating device of claim 1, wherein: and a rubber ring (511) is arranged on the step surface of the inner side wall of the inner ring (51).

3. The greenhouse agricultural planting, irrigating and irrigating device of claim 1, wherein: and connecting rings (61) are fixed at two ends of the branch pipeline (6), and arc-shaped grooves (62) are formed in the outer side walls of the connecting rings (61).

4. The greenhouse agricultural planting, irrigating and irrigating device of claim 1, wherein: the whole clamping seat (53) is of a bowl-shaped structure, steel balls (52) are fixed on the bowl surface of the clamping seat (53), and the bottom of the clamping seat (53) is fixedly connected with one end of a connecting rod (55).