CN208724597U - A kind of water-saving type irrigator - Google Patents
A kind of water-saving type irrigator Download PDFInfo
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- CN208724597U CN208724597U CN201820724983.7U CN201820724983U CN208724597U CN 208724597 U CN208724597 U CN 208724597U CN 201820724983 U CN201820724983 U CN 201820724983U CN 208724597 U CN208724597 U CN 208724597U
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- water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The utility model discloses a kind of water-saving type irrigators, are related to irrigation technique field, and since there are certain slopes for side slope, then irrigation water and rainwater are lost easily in a manner of runoff to lower, lead to the waste of irrigation water.Then in the technical program, including the braiding channel for being located at side slope lowest part and the water tank for being located at side slope highest point, it is connected with connecting tube between braiding channel bottom and water tank, connection pump is installed in connecting tube；Outlet pipe has been connected on water tank, and outlet pipe one end is connected with distribution main pipe, distribute on the peripheral wall of main pipe and be communicated with several distributive pipes, irrigation assembly is connected on distributive pipe, irrigation assembly includes spray head and solenoid valve；The opening and closing control assembly for controlling solenoid valve opening and closing according to soil moisture is connected on solenoid valve.Braiding channel collects the runoff of side slope and is irrigated by irrigation assembly plant, to reduce the waste of irrigation water and rainwater.
Description
Technical field
The utility model relates to irrigation technique fields, and in particular to a kind of water-saving type irrigator.
Background technique
As China constantly develops, modern agricultural technology is also developed rapidly, in modern agriculture, face one
Problem is exactly Irrigation Problems, how to solve the laying project of pipeline in irrigating, and how preferably to accomplish that the saving to moisture uses,
Always people are in the direction of exploration.
Direction especially is irrigated in side slope, since there are certain slopes for side slope, then irrigation water and rainwater are easily with diameter
The mode of stream is lost to lower, leads to the waste of irrigation water.
Utility model content
In view of the deficienciess of the prior art, catchmenting the purpose of this utility model is to provide a kind of water-saving type irrigator
Canal collects the runoff of side slope and is irrigated by irrigation assembly plant, to reduce the wave of irrigation water and rainwater
Take.
To achieve the above object, the utility model provides following technical solution: a kind of water-saving type irrigator, including is used for
It is located at the braiding channel of side slope lowest part and the water tank for being located at side slope highest point, is connected between braiding channel bottom and water tank
It is connected to connecting tube, connection pump is installed in connecting tube；Outlet pipe is connected on water tank, and outlet pipe one end is connected with one two
Closed distribution main pipe is held, distributes on the peripheral wall of main pipe and is communicated with several distributive pipes, be respectively connected on every distributive pipe several
A irrigation assembly, irrigation assembly include spray head and solenoid valve；It is connected on solenoid valve for controlling electricity according to soil moisture
The opening and closing control assembly of magnet valve opening and closing；Detachable cover is equipped with lid on braiding channel, and permeable hole is provided on cover board；Cover board is inclined to be set
It sets；Be removably connected with sand collector in braiding channel, and the bottom of sand collector is provided with filter hole, filter hole it is permeable by area ratio
Hole it is small by area.
By using above-mentioned technical proposal, the runoff in side slope converges in braiding channel under the effect of gravity, and finally exists
It is delivered in water tank under the action of connection pump.It is irrigated by the plant in irrigation assembly side slope, and works as soil moisture
When lower, opening and closing control assembly control solenoid valve connection, and spray head is made to start to irrigate.When soil moisture is higher, then open and close
Control assembly control solenoid valve is not connected to, and spray head is made to stop irrigating.To collect the runoff of side slope by braiding channel, and pass through
Irrigation assembly irrigates plant, to reduce the waste of irrigation water and rainwater.
Wherein, cover board can reduce the probability that silt proceeds in braiding channel, to reduce the probability of sediment siltation in braiding channel.
The cover board being obliquely installed slips away cover board convenient for impurity such as silt, dead leaves, to reduce the accumulation of the impurity such as silt, dead leaf on the cover board
Probability, to reduce the blocked probability of permeable hole.Sand collector is used to collect the lower small size impurity leaked out of permeable hole, from
And it is convenient to clean personnel and takes out silt lesser sundries in equal volume.
The utility model is further arranged to: the opening and closing control assembly includes:
Soil humidity sensor is installed in side slope soil, for detecting the humidity of soil, and exports Humidity Detection value；
First comparison circuit is coupled to the output end of soil humidity sensor to receive Humidity Detection value, works as Humidity Detection
When being worth the preset value less than the first comparison circuit, the first comparison signal is exported；
Second comparison circuit is coupled to the output end of soil humidity sensor to receive Humidity Detection value, works as Humidity Detection
When value is greater than the preset value of the second comparison circuit, the second comparison signal is exported；
Wherein, preset value of the preset value of the first comparison circuit less than the second comparison circuit；
State switching circuit is coupled to the output end of the first comparison circuit and the output end of the second comparison circuit to receive
One comparison signal and the second comparison signal, and output switching signal；
Switching circuit is coupled to state switching circuit to receive switching signal, and controls the power on/off of solenoid valve.
By using above-mentioned technical proposal, real-time monitoring is carried out to soil moisture by soil humidity sensor, and can root
According to the soil of the different measurement different depths of the kind of plant, can be changed accordingly according to practical plant variety soil moisture demand
Preset value in first comparison circuit and the second comparison circuit, when soil humidity sensor detects the soil moisture of current location
Less than the first comparison circuit preset value when, the first comparison circuit export high level the first comparison signal, state switching circuit
After the first comparison circuit for receiving high level, output switching signal control switch circuit operation is opened by switching circuit control
The switch of solenoid valve is opened, control spray head carries out lasting pouring to plant, when spray head sprays to soil sensor to soil
When detecting that current soil humidity is greater than the preset value of the second comparison circuit, the second of the second comparison circuit output high level is compared
Signal, after state switching circuit receives the second comparison signal of high level, it is dynamic that output switching signal controls control switch circuit
Make, the switch for closing solenoid valve is controlled by switching circuit, plant is poured in control spray head stopping.
It is worth noting that and every group of irrigation assembly do not interfere with each other, i.e. opening and closing control assembly in every group of irrigation assembly is only
Corresponding electromagnetic valve work is controlled, and the solenoid valve only controls corresponding spray head work.
The utility model is further arranged to: the state switching circuit includes:
Or door (OR), there are two input terminals and an output end, first input end to be coupled to the first comparison circuit for tool
To receive the first comparison signal, the second input terminal is coupled to the output end of the second comparison circuit and is compared with receiving second output end
Signal；
T trigger (U1), has control terminal T, input end of clock CK and output end Q, and control terminal T is coupled to direct current
VCC, input end of clock CK is coupled to or the output end of door (OR), output end Q output switching signal.
Compare by using above-mentioned technical proposal, first when the first comparison circuit or the second comparison circuit output high level
When signal or the second comparison signal or door exports high level signal, and the Production conditions of the first comparison signal due to high level
Preset value for the output valve of soil humidity sensor less than the first comparison circuit, and the generation of the second comparison signal of high level
Condition is that the output valve of soil humidity sensor is greater than the preset value of the second comparison circuit, and the preset value of the first comparison circuit
Less than the preset value of the second comparison circuit, therefore when preset value of the output valve of soil humidity sensor less than the first comparison circuit
When, the first comparison signal or door of the output end output high level of the first comparison circuit export high level signal, and T trigger is defeated
The switching signal of high level out, switching circuit control solenoid valve and open, and spray head is irrigated；When the output of soil humidity sensor
Value is greater than the preset value of the first comparison circuit and when less than the preset value of the second comparison circuit, and the first comparison circuit and second compares
Circuit exports low level first comparison signal and low level second comparison signal respectively, and T flip-flop states are kept, and spray head is held
Continuous spray；When the output valve of soil humidity sensor is greater than the second comparison circuit preset value, the high electricity of the second comparison circuit output
The second flat comparison signal or door export high level signal, and T trigger is jumped to low level switching signal is exported, and switch is electric
Road cuts off the current supply circuit of solenoid valve, and spray head stops irrigating, so that detecting soil moisture by opening and closing control assembly controls electromagnetism
The automatic control of solenoid valve is realized in the opening and closing of valve.
The utility model is further arranged to: being also provided with filter hole on the side wall of the sand collector.
By using above-mentioned technical proposal, since sundries is easily accumulated in the bottom of sand collector, and sand collector bottom is blocked
Filter hole can facilitate water to flow away from sand collector, to play a role in filtering then by being set with filter hole in peripheral wall.
The utility model is further arranged to: being fixed with carrying handle on the sand collector.
By using above-mentioned technical proposal, easy cleaning personnel are lesser in equal volume to take out silt by taking out sand collector
Sundries.
The utility model is further arranged to: fixing sleeve is equipped with rubber sleeve on the carrying handle.
By using above-mentioned technical proposal, since humidity is larger in braiding channel, then carrying handle surface is caused clear with breeding moss
The hand of reason personnel easily skids with carrying handle, and the probability that rubber sleeve can reduce the hand of cleaning personnel and carrying handle skids.
The utility model is further arranged to: the water tank closing setting, and water tank is equipped with for being connected to storage
Water tank and extraneous snorkel.
By using above-mentioned technical proposal, the probability in water tank is proceeded to reduce extraneous fugitive dust, to reduce cleaning storage
The number of water tank.
The utility model has the advantage that
1, in the technical program, braiding channel collects the runoff of side slope and is irrigated by irrigation assembly plant, from
And reduce the waste of irrigation water and rainwater；
2, in the technical program, by opening and closing control assembly, can according to soil moisture come in due course to soil and plant into
Row is irrigated.
Detailed description of the invention
Fig. 1 is the present embodiment structural schematic diagram；
Fig. 2 is the annexation figure of the components such as outlet pipe and distribution main pipe in Fig. 1；
Fig. 3 is the enlarged diagram in Fig. 1 at A, shows the structure of irrigation assembly；
Fig. 4 is the circuit diagram of the opening and closing control assembly in the present embodiment；
Fig. 5 is the structural schematic diagram in Fig. 1 inside braiding channel.
Appended drawing reference: 1, side slope；2, braiding channel；21, cover board；22, permeable hole；3, water tank；31, snorkel；32, it connects
Pipe；33, connection pump；4, outlet pipe；41, main pipe is distributed；42, distributive pipe；5, irrigation assembly；51, spray head；52, solenoid valve；6,
Open and close control assembly；61, soil humidity sensor；62, the first comparison circuit；63, the second comparison circuit；64, state switching electricity
Road；65, switching circuit；7, sand collector；71, filter hole；72, carrying handle；73, rubber sleeve.
Specific embodiment
Clear, complete description is carried out to the technical solution of the utility model below with reference to attached drawing, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Implementation based on the utility model
Example, those of ordinary skill in the art's obtained all other embodiment without making creative work, all belongs to
In the range that the utility model is protected.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third ", " the 4th " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The utility model is described further referring to attached drawing.
A kind of water-saving type irrigator, with reference to Fig. 1 and Fig. 2, braiding channel 2 and water tank 3 including strip, braiding channel 2
It is located at 1 lowest part of side slope and for collecting 1 runoff of side slope.2 bottom of braiding channel has connected connecting tube 32, and connecting tube 32 and storage
Water tank 3 is connected, and water tank 3 is set to 1 highest point of side slope, and connection pump 33 is equipped in connecting tube 32.It has been connected on water tank 3
Outlet pipe 4,4 one end of outlet pipe are connected with a distribution main pipe 41, distribute on the peripheral wall of main pipe 41 and have connected several distributive pipes
42, several irrigation assemblies 5 are respectively connected on every distributive pipe 42, plant of the irrigation assembly 5 in side slope 1 is filled
It irrigates.
With reference to Fig. 3 and Fig. 4, irrigation assembly 5 includes spray head 51 and solenoid valve 52, is connected on solenoid valve 52 for according to soil
Earth humidity is to control the opening and closing control assembly 6 that solenoid valve 52 opens and closes.Opening and closing control assembly 6 includes:
Soil humidity sensor 61 is installed in the soil of side slope 1 with reference to Fig. 3, and is located at the pouring of corresponding spray head 51
In region, the soil moisture poured in region for detecting corresponding spray head 51, and export Humidity Detection value；
First comparison circuit 62 is coupled to the output end of soil humidity sensor 61 to receive Humidity Detection value, works as humidity
Detected value less than the first comparison circuit 62 preset value when, export the first comparison signal；
Second comparison circuit 63 is coupled to the output end of soil humidity sensor 61 to receive Humidity Detection value, works as humidity
When detected value is greater than the preset value of the second comparison circuit 63, the second comparison signal is exported；
Wherein, preset value of the preset value of the first comparison circuit 62 less than the second comparison circuit 63；
State switching circuit 64, be coupled to the first comparison circuit 62 output end and the second comparison circuit 63 output end with
Receive the first comparison signal and the second comparison signal, and output switching signal；
Switching circuit 65 is coupled to state switching circuit 64 to receive switching signal, and controls the power on/off of solenoid valve 52.
First comparison circuit 62 includes comparator A, resistance R1 and resistance R2, and it is wet that the backward end of comparator A is coupled to soil
The output end of sensor 61 is spent, resistance R1 is serially connected between the positive terminal of comparator A and direct current VCC, and resistance R2 is serially connected with ratio
Between positive terminal and ground compared with device A, the voltage value at the both ends resistance R2 is the preset value of the first comparison circuit 62.
Second comparison circuit 63 includes comparator B, resistance R3 and resistance R4, and it is wet that the positive terminal of comparator B is coupled to soil
The output end of sensor 61 is spent, resistance R3 is serially connected between the reverse side of comparator B and direct current VCC, and resistance R4 is serially connected with ratio
Between reverse side and ground compared with device B, the voltage value at the both ends resistance R4 is the preset value of the second comparison circuit 63.
State switching circuit 64 includes:
Or door OR, tool there are two input terminal and an output end, first input end be coupled to the output end of comparator A with
The first comparison signal is received, the second input terminal is coupled to the output end of comparator B to receive the second comparison signal；
T trigger U1 has control terminal T, input end of clock CK and output end Q, and control terminal T is coupled to direct current VCC,
Its input end of clock CK is coupled to or the output end of door OR, output end Q output switching signal.
Switching circuit 65 includes resistance R5, resistance R6, triode Q1, sustained diode 1, relay KM1.
One end of resistance R5 is coupled to the output end Q of T trigger U1, and the other end of resistance R5 is coupled to triode Q1's
Base stage, resistance R6 are serially connected between the base stage and ground of triode Q1, and the emitter ground connection of triode Q1, relay KM1 has line
Circle and normally open contact, the coil tandem of relay KM1 is between the collector and direct current VCC of triode Q1, relay KM1
Normally open contact be serially connected in the current supply circuit of solenoid valve 52, the anode of sustained diode 1 is coupled to the current collection of triode Q1
Pole, the cathode of sustained diode 1 are coupled to direct current VCC.
With reference to Fig. 5, rotation is covered with several pieces of cover boards 21 on braiding channel 2, and several pieces of cover boards 21 are successively arranged, and cover board
Permeable hole 22 is provided on 21.Cover board 21 is inclined to set.Purpose is: reducing the impurity such as silt, dead leaf and is deposited on cover board 21
Probability, to reduce the blocked probability of permeable hole 22.
With reference to Fig. 5, sand collector 7 is detachably provided in braiding channel 2, and be provided on the bottom of sand collector 7 and peripheral wall
Filter hole 71, filter hole 71 pass through the small by area of area ratio permeable hole 22.From the lower water leaked of permeable hole 22 and part
The sundries of small volume proceeds in sand collector 7, and water energy is by filter hole 71, and the sundries of small volume will be left in sand collector 7
It is interior.It is final to reduce the amount of sediment flowing in water tank 3 (with reference to Fig. 1).
With reference to Fig. 5, carrying handle 72 is fixed on sand collector 7, fixing sleeve is equipped with rubber sleeve 73 on carrying handle 72.It is convenient to be arranged such
Cleaning personnel take out silt lesser sundries in equal volume, and due in braiding channel 2 humidity it is larger, then 72 surface of carrying handle is to breed
Moss causes the hand of cleaning personnel easily to skid with carrying handle 72, and rubber sleeve 73 can reduce the hand and carrying handle 72 of cleaning personnel
The probability of skidding.
With reference to Fig. 1, the closing setting of water tank 3, and water tank 3 is equipped with for being connected to water tank 3 and extraneous snorkel
31.The probability in water tank 3 is proceeded to reduce extraneous fugitive dust, to reduce the number of cleaning water tank 3.
Principle is embodied: the runoff in side slope 1 is converged under the effect of gravity in braiding channel 2, and is finally pumped in connection
It is delivered under the action of 33 in water tank 3.It is irrigated by the plant in 5 side slope 1 of irrigation assembly.
The course of work for opening and closing control assembly 6, when soil humidity sensor 61 detects the humidity of soil less than the first ratio
Compared with circuit 62 preset value when, be closed by the current supply circuit that state switching circuit 64 and switching circuit 65 control solenoid valve 52,
Spray head 51 persistently pours soil and plant.And every group of irrigation assembly 5 is not interfere with each other, i.e. opening in every group of irrigation assembly 5
The corresponding solenoid valve 52 of control assembly 6 controls is closed to work, and the corresponding spray head 51 of the solenoid valve 52 controls works.
When soil humidity sensor 61 detects that soil moisture is greater than the preset value of the second comparison circuit 63, pass through state
Switching circuit 64 and switching circuit 65 cut off the current supply circuit of solenoid valve 52, and spray head 51 stops pouring.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of water-saving type irrigator, characterized in that including the braiding channel (2) for being located at side slope (1) lowest part and be used for
It is located at the water tank (3) of side slope (1) highest point, is connected between braiding channel (2) bottom and water tank (3) connecting tube (32), even
Connection pump (33) is installed on adapter tube (32)；It has been connected on water tank (3) outlet pipe (4), and outlet pipe (4) one end is connected with one
Root distribution main pipe (41) closed at both ends distributes on the peripheral wall of main pipe (41) and is communicated with several distributive pipes (42), and every is divided water
Several irrigation assemblies (5) are respectively connected on pipe (42), irrigation assembly (5) includes spray head (51) and solenoid valve (52)；Solenoid valve
(52) the opening and closing control assembly (6) for controlling solenoid valve (52) opening and closing according to soil moisture is connected on；Braiding channel (2)
Upper detachable cover is equipped with cover board (21), and permeable hole (22) are provided on cover board (21)；Cover board (21) is inclined to set；Braiding channel
(2) it is removably connected with sand collector (7) in, and the bottom of sand collector (7) is provided with filter hole (71), filter hole (71) passes through face
Product is smaller by area than permeable hole (22).
2. a kind of water-saving type irrigator according to claim 1, characterized in that the opening and closing control assembly (6) includes:
Soil humidity sensor (61) is installed in side slope (1) soil, for detecting the humidity of soil, and exports Humidity Detection
Value；
First comparison circuit (62) is coupled to the output end of soil humidity sensor (61) to receive Humidity Detection value, works as humidity
Detected value less than the first comparison circuit (62) preset value when, export the first comparison signal；
Second comparison circuit (63) is coupled to the output end of soil humidity sensor (61) to receive Humidity Detection value, works as humidity
When detected value is greater than the preset value of the second comparison circuit (63), the second comparison signal is exported；
Wherein, preset value of the preset value of the first comparison circuit (62) less than the second comparison circuit (63)；
State switching circuit (64) is coupled to the output end of the first comparison circuit (62) and the output end of the second comparison circuit (63)
To receive the first comparison signal and the second comparison signal, and output switching signal；
Switching circuit (65) is coupled to state switching circuit (64) to receive switching signal, and controls the on-off of solenoid valve (52)
Electricity.
3. a kind of water-saving type irrigator according to claim 2, characterized in that the state switching circuit (64) includes:
Or door OR, there are two input terminals and an output end, first input end to be coupled to the output end of the first comparison circuit (62) for tool
To receive the first comparison signal, the output end that the second input terminal is coupled to the second comparison circuit (63) compares letter to receive second
Number；
T trigger U1 has control terminal T, input end of clock CK and output end Q, and control terminal T is coupled to direct current VCC, at that time
Clock input terminal CK is coupled to or the output end of door OR, output end Q output switching signal.
4. a kind of water-saving type irrigator according to claim 1, characterized in that also opened on the side wall of the sand collector (7)
There are filter hole (71).
5. a kind of water-saving type irrigator according to claim 1, characterized in that be fixed with carrying handle on the sand collector (7)
(72)。
6. a kind of water-saving type irrigator according to claim 5, characterized in that fixing sleeve is equipped with rubber on the carrying handle (72)
Gum cover (73).
7. a kind of water-saving type irrigator according to claim 1, characterized in that water tank (3) the closing setting, and store up
Water tank (3) is equipped with for being connected to water tank (3) and extraneous snorkel (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820724983.7U CN208724597U (en) | 2018-05-15 | 2018-05-15 | A kind of water-saving type irrigator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820724983.7U CN208724597U (en) | 2018-05-15 | 2018-05-15 | A kind of water-saving type irrigator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208724597U true CN208724597U (en) | 2019-04-12 |
Family
ID=66024512
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820724983.7U Active CN208724597U (en) | 2018-05-15 | 2018-05-15 | A kind of water-saving type irrigator |
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| Country | Link |
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| CN (1) | CN208724597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152383A (en) * | 2021-04-23 | 2021-07-23 | 徐守坡 | Hydraulic engineering construction channel lateral wall strutting arrangement |
-
2018
- 2018-05-15 CN CN201820724983.7U patent/CN208724597U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152383A (en) * | 2021-04-23 | 2021-07-23 | 徐守坡 | Hydraulic engineering construction channel lateral wall strutting arrangement |
| CN113152383B (en) * | 2021-04-23 | 2022-08-05 | 徐守坡 | Hydraulic engineering construction channel lateral wall strutting arrangement |
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