CN212264111U - A Venlo-type greenhouse roof cleaning machine safety protection system - Google Patents
A Venlo-type greenhouse roof cleaning machine safety protection system Download PDFInfo
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- CN212264111U CN212264111U CN202021622766.0U CN202021622766U CN212264111U CN 212264111 U CN212264111 U CN 212264111U CN 202021622766 U CN202021622766 U CN 202021622766U CN 212264111 U CN212264111 U CN 212264111U
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- 238000004140 cleaning Methods 0.000 title claims abstract description 164
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 239000000725 suspension Substances 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 10
- 230000001960 triggered effect Effects 0.000 description 9
- 239000000523 sample Substances 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012272 crop production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
本实用新型涉及一种文洛型温室棚顶清洗机安全防护系统，用于温室棚顶清洗机在工作过程中进行换行位置检测、天窗开启检测、温室顶部边界检测及线轮水管轮圈数检测，在保证正常工作的同时主动避免与机器碰撞及摔机现象的发生；本安全防护系统通过行程开关及接近开关来实时检测清洗机的工作及位置状态；行程开关有防止清洗机左右移动过位的两前轮外侧的行程开关、防止清洗机返回底座架时向后移动过位的两后轮行程开关、保证清洗机单向换行的电机保护装置上的行程开关；接近开关有判断导轨收放的前后四轮上的接近开关、判断天窗开闭的主悬架上的接近开关以及判断线轮和水管轮所转圈数的其支座架上的接近开关。
The utility model relates to a safety protection system for a Venlo-type greenhouse roof cleaning machine, which is used for the detection of the line feed position, the opening detection of the skylight, the detection of the boundary of the top of the greenhouse and the detection of the number of turns of the wire wheel water pipe during the working process of the greenhouse roof cleaning machine. , while ensuring normal work, it actively avoids the occurrence of collision with the machine and the phenomenon of falling machine; the safety protection system detects the working and position status of the cleaning machine in real time through the travel switch and proximity switch; the travel switch prevents the cleaning machine from moving too far. The travel switches on the outside of the two front wheels, the travel switches on the two rear wheels to prevent the washing machine from moving backwards when it returns to the base frame, and the travel switches on the motor protection device to ensure the washing machine one-way wrapping; the proximity switch has a judgment guide rail retraction The proximity switches on the front and rear four wheels, the proximity switches on the main suspension for judging the opening and closing of the sunroof, and the proximity switches on the support frame for judging the number of turns of the wire wheel and the water pipe wheel.
Description
Technical Field
The utility model relates to a wenluo type greenhouse shed roof cleaning machine technical field especially involves a wenluo type greenhouse shed roof cleaning machine safety protection system.
Background
The Venlo glass greenhouse has stable environmental performance and high light transmittance, and is suitable for crop production; the space is large, and the large-scale mechanical operation is suitable; high strength and long service life. However, because the greenhouse is in the open natural environment for a long time, dust is often accumulated on the top of the greenhouse, attachments such as moss are generated and are not easy to remove, and the light transmittance of the greenhouse is low, so that the growth and development of crops are slowed down and even stopped, and the yield of the crops is reduced. Therefore, the roof of the glass greenhouse needs to be cleaned regularly, and the light transmittance is ensured.
Because the Venlo glass greenhouse has large area and high ceiling, the cleaning machine has to ensure the safety in the cleaning process. At present, the domestic glass greenhouse shed top cleaning machine has few equipment, mostly depends on import, is expensive, and easily causes great loss if the safety protection is not in place and causes accidents such as machine falling and the like. Therefore, an efficient and stable safety protection system is urgently needed for a greenhouse roof cleaning machine.
Disclosure of Invention
The utility model discloses to prior art's is not enough, provides a gentle Luo type greenhouse shed roof cleaning machine safety protection system, has avoided appearing the collision easily and has fallen the emergence of machine scheduling problem in the working process that cleaning machine washs shed roof and base frame to move about, has improved and has used the operation safety.
The utility model discloses a through following technical scheme realizes, provide a gentle Luo type greenhouse shed roof cleaning machine safety protection system, include the controller of being connected with the drive arrangement of cleaning machine and the drive arrangement electricity of base frame, and with first travel switch and the second travel switch that the controller electricity is connected, first travel switch be located the cleaning machine front wheel outside and with the base frame rigid coupling, second travel switch be located cleaning machine rear wheel rear side and with the base frame rear frame rigid coupling, be equipped with the touching device that corresponds with first travel switch on the canopy body, be equipped with the touching device that corresponds with the second travel switch on the cleaning machine.
The scheme controller acquires on-off signals of the first travel switch and the second travel switch and controls the starting and stopping of the driving device of the cleaning machine, and when the base frame drives the cleaning machine to move in a line-changing mode, if the first travel switch touches the touch device on the shed body, the base frame is shown to have moved to the position of the most end part, the controller controls the driving device of the moving frame to stop working, and the situation that the base frame continues to move to break the machine is avoided; when the cleaning machine returns to the base frame after each row is cleaned, the controller controls the driving device of the cleaning machine to stop working after the second travel switch is triggered by the cleaning machine, so that the cleaning machine is prevented from running continuously after reaching the base frame and colliding with the base frame.
And preferably, the greenhouse further comprises a third travel switch which is fixed on the base frame and corresponds to the greenhouse top ridge, the third travel switch is electrically connected with the controller, and the controller is electrically connected with the driving device of the base frame. This optimization scheme controller acquires the break-make signal of third travel switch to opening of control base frame drive arrangement stops, removes the in-process at the base frame, and when third travel switch touched big-arch shelter top ridge, the drive arrangement who makes the base frame kept original direction drive base frame, with the operation of guaranteeing cleaning machine base frame folk prescription, avoids the cleaning machine to the repeated washing on shed top, improves the cleaning efficiency.
Preferably, the motor protection device on the base frame is provided with a telescopic rod extending along the length direction of the greenhouse top ridge, one end of the telescopic rod facing the greenhouse top ridge is fixedly connected with a fixed adjusting device through a cross pipe in a buckling mode, and the third travel switch is installed on the fixed adjusting device. This optimization scheme can realize through the telescopic link that third travel switch extends the width distance of greenhouse and adjusts, through the hookup location of adjusting fixed adjusting device and cross pipe knot, realizes the regulation of third travel switch height to satisfy the operation requirement of multiple canopy body.
Preferably, the vehicle wheel base further comprises a first proximity switch which is fixed on the front wheel mud guard tile and is opposite to the wheel guide rail on the base frame, and the first proximity switch is electrically connected with the controller. According to the optimized scheme, whether the wheel guide rail on the base frame is placed in the gutter or not is detected through the first proximity switch, the detection signal is transmitted to the controller, the cleaning machine is not moved if the wheel guide rail is detected, and the controller controls the cleaning machine driving device to work to drive the cleaning machine to enter the gutter from the wheel guide rail placed down and start the ceiling cleaning if the wheel guide rail is not detected, so that the collision between the cleaning machine and the wheel guide rail is avoided.
And as optimization, the device further comprises a second proximity switch fixedly arranged on the wire wheel bracket and electrically connected with the controller, and a sensing part corresponding to the second proximity switch is arranged on the transmission chain wheel coaxially and fixedly connected with the wire wheel. This optimization scheme surveys and takes turns the number of turns that turns with record line wheel and water pipe through the second proximity switch, and when the number of turns that takes turns with the water pipe wheel and set for the number of turns equal, the controller then can send the stop command, thereby has further guaranteed the operation safety of cleaning machine when wasing the shed top has avoided the cleaning machine continues to advance after the completion and leads to falling the emergence of serious accidents such as quick-witted.
And preferably, the cleaning machine further comprises a third proximity switch which is arranged on the main suspension frame of the cleaning machine and corresponds to the skylight of the shed roof, and the third proximity switch is electrically connected with the controller. According to the optimization scheme, whether the skylight is opened or not is detected through the third proximity switch, and if the skylight is detected, the controller controls the cleaning machine to stop walking so as to prevent the cleaning machine from colliding with the skylight.
Preferably, the main suspension is further rotatably provided with a vertical detection rod, the vertical distance between the lower end of the detection rod and the ceiling is smaller than the opening height of the skylight of the shed body, and the third proximity switch is located on one side of the rotation track of the detection rod. This optimization scheme is through setting up the gauge rod, if the skylight is in the open mode, then takes place to rotate after gauge rod and the skylight contact, is detected when changeing to third proximity switch, utilizes the gauge rod to survey the skylight, conveniently installs third proximity switch on the primary suspension, avoids because third proximity switch position crosses lowly and exists the possibility by the collision, guarantees safe in utilizationly.
The scheme also provides a using method of the safety protection system of the Wenluo greenhouse roof cleaning machine, which comprises the following steps:
a. the first travel switches are respectively arranged on the outer sides of the two front wheels of the cleaning machine, the base frame drives the cleaning machine to move, the first travel switches are triggered, the driving device of the base frame stops working, and the base frame stops moving and is used for preventing the base frame from continuously moving after the cleaning machine cleans all shed tops to cause the phenomenon of falling down;
b. the second travel switch is arranged on the rear side of the rear wheel of the cleaning machine and used for detecting the distance between the rear wheel of the cleaning machine and the base frame when the cleaning machine returns to the base frame after cleaning each line, and after the second travel switch is triggered by the cleaning machine, the driving device of the cleaning machine stops working and is used for preventing the cleaning machine from colliding with the base frame due to the fact that the cleaning machine continues to run after reaching the base frame;
c. the third travel switch is arranged on the motor protection device and is triggered by the greenhouse top ridge in the process that the base frame drives the cleaning machine to move, and the base frame driving device keeps the original rotation direction to work and is used for ensuring that the base frame of the cleaning machine runs in a single direction, so that the aim of preventing the cleaning machine from repeatedly cleaning the greenhouse top is fulfilled;
d. the front and rear four-wheel mud-blocking tiles are provided with the first proximity switch for detecting whether the wheel guide rail on the base frame is placed in the gutter or not, if the wheel guide rail is not placed, the cleaning machine cannot enter the gutter, and if the wheel guide rail is placed, the cleaning machine receives a signal and enters the gutter through the wheel guide rail to start ceiling cleaning;
e. the second proximity switch is arranged on the wire wheel bracket and is used for detecting and recording the number of turns of the wire wheel and the water pipe, and when the number of turns of the wire wheel and the water pipe is equal to the set number of turns, the controller can send a stop command to avoid the accident of falling caused by the fact that the cleaning machine continues to advance after the cleaning is finished;
f. the third proximity switch is arranged on the main suspension and used for detecting the opening and closing state of the skylight on the roof of the shed, and if the skylight is detected to be in the opening state, the driving device of the cleaning machine stops acting.
The utility model has the advantages that:
1. the proximity switches and the travel switches are used for detecting and controlling all positions and working states of the cleaning machine, so that serious accidents such as collision, falling and the like of the cleaning machine in the working process are avoided, the working reliability of the cleaning machine is improved, the normal and ordered operation of the cleaning machine is fully ensured, and a large amount of time and labor are saved;
2. the two travel switches are arranged on the base frame on the outer side of the front wheel, so that the cleaning machine is effectively guaranteed to be stopped reliably when cleaning is completed, the two travel switches are arranged on the frame of the base frame on the rear side of the rear wheel, the cleaning machine is effectively guaranteed to be stopped at an initial position safely when each line returns to the base frame after cleaning is completed, the straight-bar type adjustable travel switch is arranged on the motor protection device arranged in the middle of the base frame, the unidirectional operation of the base frame of the cleaning machine is guaranteed, the repeated cleaning of the shed roof by the cleaning machine is avoided, and the cleaning efficiency is guaranteed;
3. the proximity switches are arranged on the front and rear four-wheel mud guards, so that the risk that the cleaning machine moves forwards without being placed down due to the wheel guide rails on the base frame is effectively avoided; the proximity switch is arranged on the wire wheel and water pipe wheel bracket, so that the cleaning machine can be effectively ensured to accurately return to the base frame when the cleaning machine is cleaned to the tail of each line; the proximity switch is arranged on the main suspension, so that the condition that the skylight is damaged and even the cleaning machine is damaged due to the fact that the skylight is not closed in the cleaning process is effectively avoided.
Drawings
Fig. 1 is an isometric view of a main frame structure of the present invention;
fig. 2 is a schematic structural view of a first travel switch on the outer side of the front wheel of the cleaning machine of the present invention;
fig. 3 is a schematic structural view of a second travel switch at the rear side of the rear wheel of the cleaning machine of the present invention;
fig. 4 is a schematic structural view of a straight-bar type travel switch on the motor protection device placed in the middle of the base frame;
FIG. 5 is a schematic view of the proximity switch of the present invention mounted on the wire wheel and water pipe wheel bracket;
FIG. 6 is a schematic structural view of the proximity switch of the present invention mounted on the primary suspension;
FIG. 7 is a functional schematic diagram of a safety protection system of the Venlo ceiling cleaning machine of the present invention;
shown in the figure:
1. the device comprises a first travel switch, 2, a first travel switch mounting fixing seat, 3, a front wheel, 4, a gutter, 5, a front wheel fender tile, 6, a first proximity switch, 7, a wheel guide rail, 8, a second travel switch, 9, a second travel switch mounting fixing seat, 10, a rear wheel, 11, a base frame rear frame, 12, a rear wheel fender tile, 13, a fourth proximity switch, 14, a motor protection device, 15, a telescopic rod, 16, a fixing and adjusting device, 17, a third travel switch, 18, a cross pipe buckle, 19, a greenhouse ridge, 20, a second proximity switch, 21, a transmission chain wheel, 22, a wire wheel bracket, 23, a fixing plate, 24, a wire wheel, 25, a detection rod fixing device, 26, a detection rod, 27, a shed roof, 28, a main suspension, 29 and a third proximity switch.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1 to 7, a safety protection system for a winlo type greenhouse roof cleaning machine comprises a controller electrically connected with a driving device of the cleaning machine and a driving device of a base frame, a travel switch group for detecting the moving position of the cleaning machine and the direction of the base frame when the line is changed, and a proximity switch group for detecting the retraction state of a wheel guide rail 7 of the base frame, the number of the line wheel and the water pipe wheel in the retraction and extension, and the state of a skylight on the roof, wherein each travel switch in the travel switch group, each proximity switch in the proximity switch group, and a driving device of the base frame for driving the base frame to move are electrically connected with the controller. This embodiment sets up ten proximity switches and five travel switch altogether, and each travel switch and proximity switch are arranged in detecting each position state in cleaning machine and the base frame working process, take safety protection measure when dangerous situation takes place, avoid the emergence of phenomenon such as bumping and falling into.
The travel switch set includes a first travel switch 1, a second travel switch 8 and a third travel switch 17 electrically connected to the controller.
First travel switch is located the 3 outsides of cleaning machine front wheels and with the base frame rigid coupling, is equipped with the touch device that corresponds with first travel switch on the canopy body, and the touch device that corresponds with first travel switch can be the baffle with canopy body rigid coupling, and when the base frame removed to being close to canopy body end position, first travel switch touched the baffle, made the base frame stop to remove, played the spacing effect in base frame limit. The outside of two front wheels of cleaning machine all is equipped with first travel switch, and two first travel switch installation fixing bases 2 are installed and are being placed the base frame top of cleaning machine and are being apart from 30~35cm with the front wheel center, and first travel switch installs on first travel switch installation fixing base, with cleaning machine front wheel center-to-center distance 30~35 cm. The first travel switch 1 is used for preventing the base frame of the cleaning machine from continuously moving and the cleaning machine from continuously running to be suspended after all shed tops 27 are cleaned, and avoiding serious accidents such as machine falling of the cleaning machine.
The second travel switch is located behind the rear wheel 10 of the cleaning machine and fixedly connected with the rear frame 11 of the base frame, a touch device corresponding to the second travel switch is arranged on the cleaning machine, the touch device corresponding to the second travel switch is the rear wheel of the cleaning machine in the embodiment, and when the rear wheel of the cleaning machine touches the second travel switch, the cleaning machine stops moving, so that the cleaning machine stops on the base frame. Specifically, the second travel switch is installed on second travel switch installation fixing base 9, and second travel switch installation fixing base 9 is fixed on the frame behind the base frame of placing the cleaning machine. Through the two second travel switches on the rear sides of the two rear wheels, when the cleaning machine returns to the base frame after cleaning, the phenomenon that the cleaning machine is damaged or even falls into the base frame after the cleaning machine arrives at the base frame and then continues to run is avoided.
The third travel switch 17 is fixed on the base frame and corresponds to the greenhouse top ridge 19, the third travel switch is electrically connected with the controller, and the controller is electrically connected with the driving device of the base frame. The third travel switch of this embodiment is straight rod formula travel switch, and the feeler lever of third travel switch is vertical upwards to be set up, and the feeler lever is compressed when touching the spine and is triggered, makes the drive arrangement of base frame keep original direction drive base frame. In order to realize the horizontal and vertical position adjustment of the third travel switch, the motor protection device 14 on the base frame is provided with a telescopic rod 15 extending along the length direction of the greenhouse top ridge, one end of the telescopic rod facing the greenhouse top ridge is fixedly connected with a fixed adjusting device 16 through a cross pipe buckle 18, and the third travel switch is installed on the fixed adjusting device. The relative height of the third travel switch 17 to the greenhouse top ridge 19 and the distance to the width of the greenhouse are adjustable, the distance to the width of the greenhouse is adjusted by the telescopic rod 15, and the relative height to the greenhouse top ridge is adjusted by the fixed adjusting device 16 for fixing the travel switch. The contact point of the upper end of the third travel switch 17 is 30mm higher than the top ridge of the greenhouse, and the distance between the outermost side of the travel switch and the side surface of the greenhouse is not less than 20 mm. The fixed adjustment means 16 can adjust the height of the third travel switch and reverse the third travel switch when the washer is installed or removed.
The proximity switch group comprises a first proximity switch 6, a second proximity switch 20, a third proximity switch 29 and a fourth proximity switch 13 which are electrically connected with the controller.
The second proximity switch 20 is fixedly arranged on a fixed plate 23 fixedly connected with a reel bracket 22, and a drive chain wheel 21 coaxially and fixedly connected with a reel 24 is provided with a sensing part corresponding to the second proximity switch. The second proximity switch 20 is used for detecting and recording the number of turns of the wire wheel and the water pipe wheel, and when the number of turns of the wire wheel and the water pipe wheel is equal to the set number of turns, the control box can send a stop command, so that the cleaning machine can be effectively ensured to accurately return to the base frame when the cleaning machine is cleaned to the end of each line.
The third proximity switch 29 is mounted on the main suspension 28 of the washing machine and corresponds to the sunroof of the ceiling, and the open/close state of the sunroof is detected by the third proximity switch. In order to facilitate the installation of the third proximity switch, in this embodiment, a vertical detection rod 26 is further rotatably disposed on the main suspension, a vertical distance between a lower end of the detection rod and the ceiling is smaller than a height of the skylight of the greenhouse body when the skylight is opened, and the third proximity switch is located on one side of a rotation track of the detection rod. Concretely, fixed mounting probe rod fixing device 25 on the primary suspension, and install vertical probe rod 26 on probe rod fixing device, the probe rod is 10mm with the distance of shed roof, when the day window is in the open mode, can be detected by the probe rod, the probe rod can produce corresponding rotation action and be sensed by third proximity switch, third proximity switch then can produce the signal and give the controller, controller control cleaning machine bring to rest, avoid the collision, the probe rod can effectual cooperation third proximity switch carry out the skylight whether for the detection work of open mode, thereby the operation that the machine can be safe has been guaranteed.
When the cleaning machine starts to clean the shed roof, a first proximity switch arranged at a front wheel mud tile position for detecting the wheel guide rail is used for detecting whether the wheel guide rail is put down or not, if the wheel guide rail is put down, the proximity switch transmits a signal to a control box, the cleaning machine starts to operate, otherwise, the cleaning machine cannot move forwards, when the cleaning machine enters a gutter through the guide rail and starts to clean the shed roof, if a skylight of the shed roof is not closed, the cleaning machine can be detected by a detection rod arranged on a main suspension, and a third proximity switch transmits a signal to a controller to stop the cleaning machine from moving forwards, so that the working safety of the skylight of the greenhouse roof and the cleaning machine is effectively ensured; when the most marginal time of shed roof is washd, proximity switch on cleaning machine line wheel and the water pipe wheel is also accomplished simultaneously to the count of the number of turns that the sprocket changes, gives the controller signal transmission, makes the control box make corresponding action instruction to effectively avoid the cleaning machine to continue to advance after wasing the shed roof edge and cause the occurence of failure of falling the machine.
When the cleaning machine finishes cleaning a row of shed tops and returns to the base frame, the travel switch on the frame of the base frame on the rear side of the rear wheel is triggered to transmit a signal to the controller, so that the cleaning machine reliably stops on the base frame of the cleaning machine, the wheel guide rail on the base frame rises, the proximity switch arranged on the front wheel fender tile senses the signal and transmits the signal to the controller, and therefore the complete cleaning process of the shed tops is completed. The straight rod type travel switch of the motor protection device arranged in the middle of the base frame ensures that the base frame of the cleaning machine can only move in a single direction and cannot generate the phenomenon of missed brushing and heavy brushing on the roof. The cleaning machine and the base frame are provided with the safety protection system consisting of ten proximity switches and five travel switches, so that the occurrence of accidental conditions of the cleaning machine in the movement process is effectively and reliably ensured.
The use method of the safety protection system of the Venlo greenhouse roof cleaning machine comprises the following steps:
a. the first travel switches are respectively arranged on the outer sides of the two front wheels of the cleaning machine, and when the base frame drives the cleaning machine to move, the first travel switches are triggered, so that the driving device of the base frame stops working, and the phenomenon of falling caused by the fact that the base frame continues to move after all shed tops are cleaned by the cleaning machine is prevented;
b. the second travel switch is arranged on the rear side of the rear wheel of the cleaning machine and used for detecting the distance between the rear wheel of the cleaning machine and the base frame when the cleaning machine returns to the base frame after cleaning each line, and after the second travel switch is triggered by the cleaning machine, the driving device of the cleaning machine stops working and is used for preventing the cleaning machine from colliding with the base frame due to the fact that the cleaning machine continues to run after reaching the base frame;
c. the third travel switch is arranged on the motor protection device and is triggered by the greenhouse top ridge in the process that the base frame drives the cleaning machine to move, and the base frame driving device keeps the original rotation direction to work and is used for ensuring that the base frame of the cleaning machine runs in a single direction, so that the aim of preventing the cleaning machine from repeatedly cleaning the greenhouse top is fulfilled;
d. the front and rear four-wheel mud-blocking tiles are provided with the first proximity switch for detecting whether the wheel guide rail on the base frame is placed in the gutter or not, if the wheel guide rail is not placed, the cleaning machine cannot enter the gutter, and if the wheel guide rail is placed, the cleaning machine receives a signal and enters the gutter through the wheel guide rail to start ceiling cleaning;
e. the second proximity switch is arranged on the wire wheel bracket and is used for detecting and recording the number of turns of the wire wheel and the water pipe, and when the number of turns of the wire wheel and the water pipe is equal to the set number of turns, the controller can send a stop command to avoid the accident of falling caused by the fact that the cleaning machine continues to advance after the cleaning is finished;
f. the third proximity switch is arranged on the main suspension and used for detecting the opening and closing state of the skylight on the roof of the shed, and if the skylight is detected to be in the opening state, the driving device of the cleaning machine stops acting.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (7)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622766.0U CN212264111U (en) | 2020-08-07 | 2020-08-07 | A Venlo-type greenhouse roof cleaning machine safety protection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021622766.0U CN212264111U (en) | 2020-08-07 | 2020-08-07 | A Venlo-type greenhouse roof cleaning machine safety protection system |
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| CN212264111U true CN212264111U (en) | 2021-01-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842392A (en) * | 2020-08-07 | 2020-10-30 | 山东农业大学 | A Venlo-type greenhouse roof cleaning machine safety protection system and using method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842392A (en) * | 2020-08-07 | 2020-10-30 | 山东农业大学 | A Venlo-type greenhouse roof cleaning machine safety protection system and using method |
| CN111842392B (en) * | 2020-08-07 | 2025-01-24 | 山东农业大学 | A safety protection system and use method of a Venlo greenhouse roof cleaning machine |
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