CN108328531A - A kind of automobile-used lifting gear of agricultural greenhouse lifting - Google Patents

Abstract

The present invention provides a kind of agricultural greenhouse lifting automobile-used lifting gear, is related to agricultural greenhouse equipment technical field.Including hoistable platform, elevating mechanism and bottom car body；The bottom car body is located at the bottom of lift truck, and the bottom of the elevating mechanism is fixedly connected with bottom car body, and top is fixedly connected with hoistable platform；The hoistable platform includes pedestal, is surrounded by guard bar device above pedestal, the guard bar device includes guardrail, and safety door and operation panel are equipped on guardrail, has control system in operation panel；The elevating mechanism includes the first power plant that elevating lever, walking guide rail and driving elevating lever rise or fall.Hoistable platform of the present invention is easy to operate, safe.Using scissor-type lifting mechanism, elevating lever is moved using sliding block and guide rail connection type, sliding block in guide rail up and down, is realized freely and stable elevating movement, is suitable for working at height.

Description

A lifting device for an agricultural greenhouse lifting vehicle

technical field

The invention relates to the technical field of agricultural greenhouse equipment, in particular to a lifting device for an agricultural greenhouse lifting vehicle.

Background technique

Agricultural greenhouses use the Internet of Things technology to subvert the traditional farming methods. All hardware and software facilities are designed around the growth needs of tomato plants, producing tomatoes like a factory assembly line. Using fully automated facilities, there are multiple sensors in the greenhouse, responsible for collecting various data such as temperature and humidity, soil moisture, carbon dioxide, etc., and transmitting them to the computer system in the control room. Compared with the previous artificial preset plant growth parameters, the smart greenhouse The control system can automatically control the opening and closing of the curtain, the switch of the spray system, etc., thereby adjusting the temperature, light, water, air, etc. in the greenhouse to ensure that the tomatoes are always in the best growth state. In traditional agriculture, the excessive use of water and fertilizers has caused a series of problems such as soil compaction, soil fertility decline, environmental degradation, and agricultural product safety. Modernized tomato cultivation adopts a soilless hanging cultivation method, and provides nutrition through integrated drip irrigation of water and fertilizer, realizing "factory production is not restricted by natural conditions, so that agriculture no longer depends on the sky for food." Through the application of modern science and technology, agricultural production has the characteristics of stability, high yield and high efficiency.

High-altitude operations are often required inside agricultural greenhouses, and the stability and safety of the existing lift trucks need to be improved.

Contents of the invention

The technical problem to be solved by the present invention lies in the lack of stability and safety when the lift car in the existing shed is raised and lowered.

The present invention adopts the following technical solutions to solve the above-mentioned technical problems:

A lifting device for an agricultural greenhouse lifting vehicle, comprising a lifting platform, a lifting mechanism and a bottom vehicle body;

The bottom car body is located at the bottom of the lift car, the bottom of the lifting mechanism is fixedly connected to the bottom car body, and the top is fixedly connected to the lifting platform;

The lifting platform includes a base, and a guardrail device is provided around the top of the base. The guardrail device includes a guardrail, and a safety door and an operation panel are installed on the guardrail, and a control system is arranged in the operation panel;

The lifting mechanism includes a lifting rod, a walking guide rail and a first power device that drives the lifting rod to rise or fall, the first power device is connected to the lifting rod, and the lifting rod includes at least one cross unit, and the cross unit includes at least Two cross-connected rod bodies, the adjacent cross units are hingedly connected through the ends of the rod bodies; the upper end of the uppermost rod body of the lifting rod and the lower end of the lowermost rod body are respectively connected with an upper slider and a lower slider; the walking guide rail includes The upper walking guide rail and the lower walking guide rail are parallel to each other, the upper walking guide rail and the lower walking guide rail are respectively located at the top and the bottom of the lifting rod; The upper slider and the lower slider cooperate.

Further, brake and accelerator devices are installed on the base to be electrically or signally connected to the control system.

Further, the lower surface of the base is an upper walking guide rail.

Further, the base includes a base base, a frame and a side cover, the frame is perpendicular to the base base and installed on the long side of the base base, the top of the frame has a clamping groove, and the base base is inserted into the clamping groove; The side cover is perpendicular to the base base and installed on the short sides of the base base, and the left and right sides of the side cover cover the ends of the frame.

Further, the base base is patterned steel plate.

Further, the frame is an aluminum profile.

Further, the safety gate is installed on the side of the guardrail device and is located between two longitudinal guardrails.

Further, the intersecting unit at the lowermost end of the lifting rod includes a first rod body and a second rod body that cross each other, the first power device is a telescopic cylinder, and the telescopic end of the telescopic cylinder is connected to the first rod body at a first connection point , and the first connection point is above the intersection of the first rod body and the second rod body, the other end of the telescopic cylinder is connected to the second rod body at the second connection point, and the second connection point is located at the intersection of the first rod body and the second rod body point below.

Further, a buffer pad is provided on the outer side of one end where the rod body intersects with the walking guide rail.

Further, the lifting pole includes two intersecting units arranged up and down, and a buffer pad is provided inside the intersection of the two intersecting units.

The present invention has the following beneficial effects:

The lifting platform of the invention is easy to operate and has high safety. The scissor-type lifting mechanism is adopted, and the upper and lower parts of the lifting rod are connected by sliders and guide rails. The sliders move in the guide rails to achieve free and stable lifting movements, which are suitable for high-altitude operations.

Description of drawings

Fig. 1 is a structural diagram of the lifting car assembly for agricultural greenhouses in the embodiment of the present invention, the lifting rod is raised and opened in the figure, and the guide rail is not shown in the figure;

Fig. 2 is a structural diagram of the lifting car assembly for agricultural greenhouses in the embodiment of the present invention, the lifting rod is in the state of being lowered and retracted in the figure, and the guide rail is not shown in the figure;

Fig. 3 is the front view of lifting platform in the embodiment of the present invention;

Fig. 4 is the side view of lifting platform in the embodiment of the present invention;

Fig. 5 is a top view of the base in the embodiment of the present invention;

Fig. 6 is an assembly diagram of the base base and the frame in the embodiment of the present invention;

Fig. 7 is a structural diagram of the lifting mechanism in the embodiment of the present invention;

Fig. 8 is an assembly drawing of the upper walking guide rail, the upper slider and the lifting rod in the embodiment of the present invention;

Fig. 9 is an assembly drawing of the lower walking guide rail, the lower slider and the lifting rod in the embodiment of the present invention;

Fig. 10 is a structural diagram of the walking assembly in the embodiment of the present invention, and the track is not shown in the figure;

Fig. 11 is the sectional view of B-B plane among Fig. 10;

Fig. 12 is the sectional view of A-A plane among Fig. 10;

Fig. 13 is a structural diagram of the cooperation between the wheel and the track in the embodiment of the present invention;

Fig. 14 is the structural diagram of track in the embodiment of the present invention;

Fig. 15 is a structural diagram of the lifting mechanism in the embodiment of the present invention.

Fig. 16 is a structural diagram of the lifting mechanism in the embodiment of the present invention, and the universal wheel and the directional wheel are not shown in the figure;

Fig. 17 is a sectional view of plane C-C in Fig. 15 .

Detailed ways

In order to have a further understanding and recognition of the structural features and the achieved effects of the present invention, the preferred embodiments and accompanying drawings are used for detailed description, as follows:

A lifting car assembly for agricultural greenhouses, as shown in Figure 1-2, includes a lifting platform 1, a lifting mechanism 2, a bottom car body 3, a walking component 4 and a lifting mechanism 5; Above, the bottom car body 3 is located at the bottom of the lift car, the bottom end of the lifting mechanism 2 is fixedly connected to the bottom car body 3, and the top end is fixedly connected to the lifting platform 1. Both the walking assembly 4 and the lifting mechanism 5 are installed under the bottom car body 3;

As shown in Figures 3-6, the lifting platform 1 includes a base 11, a guardrail device 12, a safety door 13 and an operation panel 14, and a control system is provided in the operation panel 14.

The base 11 includes a base base 111, a frame 112 and a side cover 113. The base base 111 is a patterned steel plate, and the frame 112 is an aluminum profile to reduce the weight of the lifting platform 1. The frame 112 is perpendicular to the base base 111 and is installed on the base of the base base. On the long side, there is a clamping groove 1120 at the top of the frame 112 , and the base body 111 is inserted into the clamping groove 1120 . The side cover 113 is perpendicular to the base base and installed on the short side of the base base 111 , and the left and right sides of the side cover 113 cover the end of the frame 112 . The brake and throttle device 114 is installed on the base base 111 and connected with the control system wire or signal in the control panel.

The guardrail device 12 surrounds the surroundings above the base 11 and includes a guardrail. The guardrail is made of a round tube, and the bottom of the guardrail is connected to the side cover 113;

The safety door 13 that switch is convenient is installed on the guardrail, and safety door 13 is installed in the side of guardrail device 12, is positioned between two longitudinal guardrails. Workers can open and close the safety door 13 at any time when they need to go up and down the platform, and the safety door 13 is closed when it rises and opened when it comes down.

The operation panel 14 is installed on the guardrail, and the lifting and walking of the lift car can be realized by the buttons on the operation panel 14, and the lifting and walking speed of the lift car can be controlled. When the lift car is walking, when the brakes are needed, the brakes can be braked by stepping on the brake device under the platform;

As shown in Figures 7-9, the lifting mechanism 2 includes a lifting rod 21, a walking guide rail 22, and a first power device that drives the lifting rod 21 to rise or fall, and the first power device is electrically connected to the control system in the operation panel , and connected with the lifting rod 21, the lifting rod 21 is a scissor type lifting rod, including at least one cross unit 211, and the cross unit 211 includes at least two cross-connected rod bodies, and the cross unit in this embodiment includes two a cross-linked rod. The adjacent intersection units 211 are hingedly connected by the ends of the rod bodies; the upper end of the rod body at the uppermost end of the elevating rod 21 and the lower end of the lowermost rod body are respectively connected with an upper slider 241 and a lower slider 242; The upper travel guide rail 221 and the lower travel guide rail 222, the upper travel guide rail 221 and the lower travel guide rail 222 are located at the upper end and the lower end of the elevating rod respectively, the upper slider 241 is installed in the upper travel guide rail 221, and the lower slider 242 is installed on the lower travel guide rail 222 middle. During use, the scissor lift rod 21 is driven by the first power unit to rise or fall, while the upper slider 241 and the lower slider 242 move in the upper running guide rail 221 and the lower running guide rail 222 respectively, thereby lifting smoothly.

Preferably, the upper walking rail 221 is arranged on the lower surface of the base 11 .

Preferably, the intersection unit 211 at the lowermost end of the lifting rod 21 includes a first rod body 2111 and a second rod body 2112 that cross each other, the first power device is a first telescopic cylinder 23, and the telescopic end of the first telescopic cylinder 23 is connected to the The first rod body 2111 is connected at the first connection point 2113, and the first connection point 2113 is located above the intersection point 2110 of the first rod body 2111 and the second rod body 2112, and the other end of the telescopic cylinder 23 is connected with the second rod body 2112 at the second point 2114, and the second connection point 2114 is located below the intersection 2110 of the first rod body 2111 and the second rod body 2112. The first telescopic cylinder 23 can be an oil cylinder. Through the extension and contraction of the oil cylinder, the elevating rod 21 is lifted, and at the same time, the upper slider 241 and the lower slider 242 are driven to move in the upper travel guide rail 221 and the lower travel guide rail 222, thereby performing Smooth lift.

Preferably, a buffer pad 24 is provided outside the intersecting end of the rod body and the walking guide rail, and the buffer pad 24 can be installed outside the upper end of the rod body at the top of the lifting rod 21 or at the bottom of the rod body at the bottom of the lifting rod 21. lower outside. When the lifting mechanism descends to the lowest position, there is a buffer pad 24 in the middle of the upper and lower lifting rods 21 for buffering, so as not to directly contact and improve the stability of the lifting process.

Preferably, the lifting rod 21 includes two intersecting units 211 arranged up and down, and a buffer pad 24 is provided inside the intersection of the two intersecting units 211 to further improve the stability of the lifting process.

As shown in Figures 10-14, the traveling assembly 4 includes a guide rail 41 and a traveling mechanism 42, and the guide rail 41 is an insulation pipeline laid underground in the greenhouse. Directly using the thermal insulation pipeline in the greenhouse as the walking guide rail of the elevator greatly improves the utilization rate of the limited ground space in the greenhouse, avoids special preparation of guide rails, and reduces costs.

Described walking mechanism 42 comprises bottom frame 421, power supply equipment 422, electric control box 423, motor 424, wheel axle 425 and wheel 426, and bottom frame 421 is installed on the bottom car body 3; Power supply equipment 422 and electric control box 423 all install At the bottom of the bottom frame 421, the bottom frame 421 is fixed with a motor support 4241, the motor 424 is installed on the motor support 4241, and the power supply device 422 is connected with the electric control box 423 and the motor 424 through wires to supply power for the electric control box 423 and the motor 424. The electrical control box 423 is electrically connected to the motor 424 and is electrically connected to the control system in the operation panel 14 . The bottom of bottom frame 421 is also connected with wheel shaft 425, and wheel shaft 425 is connected with the rotating shaft of motor 424, and wheel 426 is sheathed on wheel shaft 425, and the outer peripheral surface of wheel 426 matches with the outer surface of guide rail 41.

When in use, the power supply device 422 supplies power to the motor 424, and the rotating shaft of the motor 424 rotates to drive the wheel shaft 424 to rotate, and the wheel 426 rolls on the guide rail 41, thereby realizing the walking of the lift truck. It overcomes the defect that the bottom of the lift car has limited walking space on the ground in the greenhouse, is easy to operate, has high safety, and reduces the cost of greenhouse planting.

Preferably, the wheel 426 includes a wheel body 4261 and a wear-resistant sleeve 4262 that are fastened to each other, and both the wheel body 4261 and the wear-resistant sleeve 4262 are in direct contact with the guide rail.

Preferably, the wheel body 4261 includes a first wheel body 4263 and a second wheel body 4264 connected to each other, the first wheel body 4263 extends inwardly from the outer end surface of the wheel body 4261 to the middle of the wheel body, and the second wheel body 4264 consists of The inner end face of the wheel body 4261 extends outward to the middle of the wheel body, the diameter of the first wheel body 4263 is greater than the diameter of the second wheel body 4264; the second wheel body 4264 is tightly connected with the end face of the wear-resistant sleeve 4262, and the second wheel body The outer diameter of the body 4264 is equal to the outer diameter of the wear-resistant sleeve 4262;

The guide rail 41 is a circular heat preservation pipeline, and the guide rail 41 is engaged between the inner end surface of the first wheel body 4262 and the outer peripheral surface of the second wheel body 4264 and the wear-resistant sleeve 4262 .

Preferably, the wear-resistant sleeve 4262 is made of polytetrafluoroethylene, and the wheel body 4261 is made of aluminum, so as to ensure that the wheel 426 is wear-resistant and cannot damage the circular tube guide rail 41 .

Preferably, the power supply device 422 is a storage battery. Since the wheels travel on the circular tube track 41 when the lift truck is working, the track 41 is very low from the ground, and the site does not have the conditions for conducting alternating current with wires, so the storage battery is used as the power supply. The device avoids this drawback.

Preferably, a wheel 426 is mounted on both ends of the wheel shaft 425, so as to increase the stability of the lift truck during operation.

Preferably, the traveling mechanism includes at least two wheel axles 425, which further increases the stability of the lift truck during operation.

Preferably, the wheel axle 425 is mounted on the bottom frame 421 through a bearing seat 427 .

Preferably, a driving sprocket 4281 is installed on the motor 424 , a driven sprocket 4282 is installed on the wheel shaft 425 , and the driving sprocket 4281 and the driven sprocket 4282 are connected by a chain 4283 .

Preferably, the guide rail is a U-shaped guide rail, which facilitates the walking of the lift truck while maintaining heat.

As shown in Figures 15-17, the lifting mechanism 5 includes a rocker mechanism 51, a second power unit, a universal wheel 53 and a directional wheel 54; the rocker mechanism 51 includes a rocker 511 and a connecting rod 512, and the rocker The two ends of 511 are hinged with bottom car body 3 and connecting rod 512 respectively, and rocking bar 511 can rotate freely; The first support frame 520 , the second power device includes a second telescopic cylinder 52 , the telescopic end of the second telescopic cylinder 52 is fixedly connected to the rocker 511 , and the other end is fixed on the first support frame 520 . Wheel 426 can only go straight, can not turn. When the lift car needs to turn, the second telescopic cylinder 52 pulls the rocking rod 511 to rotate, and reaches position one 55, so that the universal wheel 53 and the directional wheel 54 touch the ground, and the wheel 426 is separated from the ground, so that the car body can be turned; When turning is needed, the second telescopic cylinder 52 stretches out to reach position two 56, so that the universal wheel 53 and the directional wheel 54 are separated from the ground, and the wheels 426 touch the ground, so that the lift truck turns and walks on the ground.

Preferably, a rotating plate 5110 is fixedly connected to the rocker 511 , and the telescopic end of the second telescopic cylinder 52 is fixedly connected to the rotating plate 5110 .

Preferably, the rocker 511 includes a first rocker and a second rocker, and the first rocker and the second rocker are respectively hinged to two ends of the connecting rod 512 . The stability of the lifting mechanism 5 can be improved by adopting the double rocker mechanism.

Preferably, a second support frame 570 is fixed below the bottom vehicle body 3, and a gas spring 57 is installed on the second support frame 570. The telescopic end of the gas spring 57 is fixed on the telescopic end of the second telescopic cylinder 52. On the connected rocker 511 , that is, the gas spring 57 and the telescopic end of the second telescopic cylinder 52 are connected on the same rocker. When the rocker 511 rotates to position one 55 and position two 56, the gas spring 57 plays the role of auxiliary support, and at the same time, when the second telescopic cylinder 52 stretches and shortens, it plays a buffer role to prevent the connecting rod 512, the universal wheel 53 and The sudden descent of the directional wheel 54 makes the car body unstable, causing accidents and ensuring safe and stable operation.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description are only the principles of the present invention. Variations and improvements, which fall within the scope of the claimed invention. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. a kind of agricultural greenhouse lifts automobile-used lifting gear, which is characterized in that including hoistable platform, elevating mechanism and bottom vehicle Body；

The bottom car body is located at the bottom of lift truck, and the bottom of the elevating mechanism is fixedly connected with bottom car body, and top is fixed Connect hoistable platform；

The hoistable platform includes pedestal, is surrounded by guard bar device above pedestal, the guard bar device includes guardrail, guardrail On safety door and operation panel are installed, have control system in operation panel；

The elevating mechanism includes the first power plant that elevating lever, walking guide rail and driving elevating lever rise or fall, described First power plant is connect with elevating lever, and the elevating lever includes at least one cross unit, and the cross unit includes at least The body of rod of two interconnections, adjacent cross unit are articulated and connected by the end of the body of rod；The bar of described elevating lever the top Body upper end and the lowermost body of rod lower end are connected separately with top shoe and sliding block；The walking guide rail include be mutually parallel it is upper Walking guide rail and lower walking guide rail, upper walking guide rail and lower walking guide rail are located at the top and bottom of elevating lever；Upper walking Guide rail connect with hoistable platform and positioned at the lower section of hoistable platform, upper walking guide rail, lower walking guide rail respectively with top shoe, glide Block matches.

2. a kind of agricultural greenhouse according to claim 1 lifts automobile-used lifting gear, which is characterized in that pacify on the pedestal Equipped with the brake and accelerator device being connect with control system electrical connection or signal.

3. a kind of agricultural greenhouse according to claim 2 lifts automobile-used lifting gear, which is characterized in that under the pedestal Surface is upper walking guide rail.

4. a kind of agricultural greenhouse according to claim 1 lifts automobile-used lifting gear, which is characterized in that the pedestal includes Base matrix, frame and side cover, long side of the frame perpendicular to base matrix and mounted on base matrix, frame Top has holding tank, the base matrix to be inserted into holding tank；The side cover is perpendicular to base matrix and is installed on pedestal The short side of matrix covers on the end of frame at left and right sides of the side cover.

5. a kind of agricultural greenhouse according to claim 4 lifts automobile-used lifting gear, which is characterized in that the base matrix For checkered steel plate.

6. a kind of agricultural greenhouse according to claim 4 lifts automobile-used lifting gear, which is characterized in that the frame is aluminium Proximate matter.

7. a kind of agricultural greenhouse according to claim 1 lifts automobile-used lifting gear, which is characterized in that the safety door peace Side loaded on guard bar device is located between two profile barriers.

8. a kind of agricultural greenhouse according to claim 1 lifts automobile-used lifting gear, which is characterized in that the elevating lever is most The cross unit of lower end includes cross one another first body of rod and second body of rod, and first power plant is telescoping cylinder, is stretched The telescopic end of cylinder is connect with first body of rod at the first tie point, and the first tie point is located at first body of rod and second body of rod intersects The top of point, the other end of telescoping cylinder is connect with second body of rod at the second tie point, and the second tie point is located at first body of rod With the lower section in the second body of rod crosspoint.

9. a kind of agricultural greenhouse according to claim 1 lifts automobile-used lifting gear, which is characterized in that the body of rod and row It walks and is equipped with cushion pad on the outside of one end of the intersection of guide rail.

10. a kind of agricultural greenhouse according to claim 1 lifts automobile-used lifting gear, which is characterized in that the elevating lever The cross unit being arranged above and below including two, and cushion pad is equipped on the inside of the intersection of two cross units.