CN114715300A

CN114715300A - Crawler-type electric vehicle for sand operation

Info

Publication number: CN114715300A
Application number: CN202210443961.4A
Authority: CN
Inventors: 张国芬; 刘召杰; 訾富春; 严陈希; 喻春明
Original assignee: Wuxi Institute of Technology
Current assignee: Dedication Technology Co.,Ltd.
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-07-08
Anticipated expiration: 2042-04-26
Also published as: CN114715300B

Abstract

The invention relates to the technical field of desert control, in particular to a crawler type electric vehicle for sand operation, which comprises a base plate and crawler wheel groups symmetrically arranged at the bottom end of the base plate, wherein a plurality of groups of horizontal sliding rails are horizontally arranged on the upper surface of the base plate in a direction vertical to the arrangement direction of the crawler wheel groups, a sliding plate is arranged at the top end of each group of horizontal sliding rails, a rack is arranged on the upper surface of the base plate between each group of horizontal sliding rails along the installation direction of the horizontal sliding rails, and an adjusting component for adjusting the position of the sliding plate is arranged on the sliding plate; a height lifting assembly is arranged on one side of the adjusting assembly and positioned on the upper surface of the sliding plate; the gear wheel can drive the slide to move on horizontal slide rail in the operation process, and then the position of adjustment spliced pole, and the spliced pole of being convenient for is close to or keeps away from with the protection greenhouse, and the height of formula jack adjustment spliced pole in the operation process is convenient for lift or place the protection greenhouse, and the position of adjustment electric motor car when the track wheelset moves is convenient for shift the protection greenhouse.

Description

Crawler-type electric vehicle for sand operation

Technical Field

The invention relates to the technical field of desert control, in particular to a crawler-type electric vehicle for sand operation.

Background

The current prevention and control of soil desertification usually takes manual control as a main part, but needs a large amount of manual labor to plant plants in the process, and because the plants are planted in desert zones, the survival rate of the plants is low, how to improve the survival rate of the plants and reduce the manual labor intensity in the desert becomes the problem to be solved urgently at present.

At present common desert prevention and cure means is in the plant top installation protection greenhouse of planting, make plant heat preservation moisturize through the greenhouse, promote the plant survival rate, but still there are some problems in this mode in-service use process, after the regional plant of greenhouse inside is planted, the difficult adjusting position of protection greenhouse is planted next piece region, need the manual dismantlement protection greenhouse of staff, then shift the position to protection greenhouse, install again, this leads to staff intensity of labour too big, and protection greenhouse position shift inefficiency.

In order to solve the problems exposed in the transferring process of the existing protection greenhouse, the structure of the transferring device of the protection greenhouse needs to be improved and optimized.

Disclosure of Invention

In order to solve the technical problem, the invention provides a crawler-type electric vehicle for sand operation, which has the characteristic of convenience in transferring a protection greenhouse.

In order to achieve the purpose, the invention provides the following technical scheme: a crawler-type electric vehicle for sand operation comprises a base plate and crawler wheel sets symmetrically arranged at the bottom end of the base plate, wherein a plurality of groups of horizontal sliding rails are horizontally arranged on the upper surface of the base plate in a direction perpendicular to the arrangement direction of the crawler wheel sets, sliding plates capable of sliding along the horizontal sliding rails are arranged at the top ends of the horizontal sliding rails, racks are arranged between the horizontal sliding rails and on the upper surface of the base plate along the installation direction of the horizontal sliding rails, and adjusting assemblies for adjusting the positions of the sliding plates are arranged on the sliding plates; and one side of the adjusting component is positioned on the upper surface of the sliding plate and is provided with a height lifting component.

The high lifting subassembly includes the scissors jack and the drive lead screw that set up along the trend of track wheelset, the drive lead screw runs through and adjusts scissors jack's total height from the pivot department at scissors jack middle part, scissors jack top runs through along the extending direction of horizontal slide rail and is equipped with the spliced pole, the one end that the spliced pole is close to adjusting part is equipped with balanced subassembly, the one end that balanced subassembly was kept away from to the spliced pole is equipped with locking Assembly.

According to the preferable technical scheme, the adjusting assembly comprises a protective cover, a rotating rod and a gear disc, the protective cover is fixedly arranged on the upper surface of the sliding plate and located right above the rack, the rotating rod is horizontally arranged in the protective cover along the direction perpendicular to the rack, and the gear disc is sleeved on the rotating rod and meshed with the rack.

The outer wall of safety cover is fixed and is equipped with the slide rail motor, the output shaft of slide rail motor runs through the safety cover lateral wall and is connected with the bull stick.

According to the preferable technical scheme of the crawler-type electric vehicle for sand work, the driving screw rod is a bidirectional screw rod, two ends of the driving screw rod are symmetrically arranged in the driven scissor jack, the side wall of the scissor jack is fixedly provided with the driving motor through the support, and the output shaft of the driving motor is connected with the driving screw rod through the gear and drives the driving screw rod to rotate.

According to the preferable technical scheme, the crawler-type electric vehicle for sand operation comprises a balance assembly and a traction assembly, wherein the balance assembly comprises a limiting wheel, a traction belt and pulleys, the two pulleys are arranged on the upper surface of a sliding plate, the limiting wheel is sleeved at one end of a connecting column, and the traction belt is sleeved on the outer walls of the limiting wheel and the pulleys.

As a preferable technical scheme of the crawler-type electric vehicle for sand operation, a rocker arm is arranged on the outer side of the pulley, the bottom end of the rocker arm is connected with the sliding plate through a torsion rotating shaft, a rotatable auxiliary wheel is arranged at the top end of the rocker arm, and the rocker arm rotates under the torsion rotating shaft and extrudes a towing belt through the auxiliary wheel.

As a preferable technical scheme of the crawler-type electric vehicle for sand operation, the number of the rocker arms is two, and the two rocker arms are symmetrically or alternately arranged on the outer side of the pulley.

According to the preferable technical scheme of the crawler-type electric vehicle for sand operation, the side walls, opposite to the torsion rotating shafts, of the bottom ends of the two rocker arms are symmetrically connected and provided with the beam frames, the side walls of the beam frames are uniformly provided with the sliding grooves, and the two ends of the pulley are embedded in the sliding grooves and can slide along the sliding grooves.

Two telescopic push rods are arranged on the inner sides of the pulleys, and two ends of each telescopic push rod are connected with the corresponding pulley respectively.

According to the preferable technical scheme, the locking assembly comprises the expansion balls, and the expansion balls are uniformly distributed on the side wall of the connecting column along the circumferential direction.

According to the preferable technical scheme, the locking assembly comprises a locking motor and a locking sheet, a plurality of accommodating grooves are uniformly formed in the side wall of the connecting column along the circumferential direction, the locking sheet is rotatably connected and arranged in each accommodating groove through a rotating shaft, an auxiliary gear is sleeved at one end of the rotating shaft, the locking motor is arranged at the axis of the connecting column, a driving gear is sleeved on an output shaft of the locking motor, and the driving gear is meshed with the auxiliary gear and is used for driving the auxiliary gear.

Compared with the prior art, the invention has the following beneficial effects.

1. Horizontal slide rails and racks are additionally arranged at the bottom ends of the sliding plates, the sliding plates can be driven to run on the horizontal slide rails in the running process of the gear disc, the positions of the connecting columns are adjusted, the connecting columns are convenient to be close to or far away from the protective greenhouse, the heights of the connecting columns are adjusted in the running process of the scissor jack, the protective greenhouse is convenient to lift or place, the position of the electric vehicle is adjusted when the crawler wheel set runs, and the protective greenhouse is convenient to transfer.

2. The device is additionally provided with a balance assembly, two ends of a dragging belt in the balance assembly are respectively sleeved on the outer walls of the limiting wheel and the pulley, the two rocker arms deflect by an angle through a torsion spring and extrude the dragging belt, the dragging belt is tightened, the limiting wheel and the connecting column are dragged, and the connecting column is kept horizontal in the height rising adjusting process.

3. The inner sides of the two pulleys are provided with telescopic push rods, the output ends of the telescopic push rods can be pushed out when the telescopic push rods operate, the two pulleys are far away, the towing belt is tightened when the two pulleys are far away, and the connecting column is further kept horizontal in the height adjusting process.

4. The locking motor and the locking sheet are additionally arranged in the connecting column, the locking sheet can be driven to deflect when the locking motor operates, and then the locking sheet can be deflected and thrown out from the accommodating groove, so that the end part of the connecting column is effectively locked in the clamping groove, and the protective greenhouse is prevented from being separated from the electric vehicle in the position transfer process.

Drawings

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic front view of the present invention.

FIG. 3 is a schematic top view of FIG. 2 according to the present invention.

FIG. 4 is a schematic structural view of the electric vehicle lifting protective greenhouse in the invention.

FIG. 5 is a schematic view of a height lift assembly according to the present invention.

FIG. 6 is a schematic view of a balancing assembly according to the present invention.

Fig. 7 is a schematic view of a rack and pinion mounting structure according to the present invention.

FIG. 8 is a schematic sectional view of a connecting column of the present invention.

FIG. 9 is a schematic sectional view taken along line A-A of FIG. 8 according to the present invention.

FIG. 10 is a schematic view of the deflection of the locking tab of the present invention.

In the figure: 1. a crawler belt wheel group; 2. a substrate; 3. a horizontal slide rail; 4. a slide plate; 5. a scissor jack; 6. Driving a lead screw; 7. connecting columns; 8. an expansion ball; 9. a limiting wheel; 10. a tow belt; 11. a pulley; 12. A rocker arm; 13. a protective cover; 14. a rotating rod; 15. a slide rail motor; 16. a rack; 17. a gear plate; 18. Locking the motor; 19. a receiving groove; 20. a locking tab.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-10, the crawler type electric vehicle for sand work disclosed by the invention comprises a base plate 2 and crawler wheel sets 1 symmetrically arranged at the bottom end of the base plate 2, wherein two sets of the crawler wheel sets 1 are provided, the crawler wheel group 1 is driven by a driving motor, a battery is also added in the electric vehicle and supplies power to the driving motor, so that the crawler belt wheel set 1 runs, a plurality of groups of horizontal sliding rails 3 are horizontally arranged on the upper surface of the base plate 2 in a direction vertical to the arrangement direction of the crawler belt wheel set 1, each group of horizontal sliding rails 3 is provided with two, the top end of each group of horizontal sliding rails 3 is provided with a sliding plate 4 capable of sliding along the horizontal sliding rails 3, two rows of sliding blocks are uniformly arranged at the bottom end of the sliding plate 4 and are embedded and clamped on the horizontal sliding rails 3, a rack 16 is arranged between each group of horizontal sliding rails 3 and on the upper surface of the base plate 2 along the installation direction of the horizontal sliding rails 3, and an adjusting assembly for adjusting the position of the sliding plate 4 is arranged on the sliding plate 4; one side of the adjusting component is provided with a height lifting component on the upper surface of the sliding plate 4.

The high lifting subassembly includes scissor jack 5 and the drive lead screw 6 that sets up along the trend of track wheelset 1, and drive lead screw 6 runs through and adjusts scissor jack 5's total height from the pivot department at scissor jack 5 middle part, and scissor jack 5 top runs through along the extending direction of horizontal slide rail 3 and is equipped with spliced pole 7, and the one end that spliced pole 7 is close to adjusting part is equipped with balanced subassembly, and the one end that spliced pole 7 kept away from balanced subassembly is provided with locking Assembly.

Specifically, the adjusting assembly comprises a protective cover 13, a rotating rod 14 and a gear disc 17, the protective cover 13 is fixedly arranged on the upper surface of the sliding plate 4 and is positioned right above the rack 16, the rotating rod 14 is horizontally arranged in the protective cover 13 along the direction perpendicular to the rack 16, and the gear disc 17 is sleeved on the rotating rod 14 and is meshed with the rack 16.

The outer wall of safety cover 13 is fixed and is equipped with slide rail motor 15, and slide rail motor 15's output shaft runs through safety cover 13 lateral wall and is connected with bull stick 14, and slide rail motor 15 exerts torsion as drive power unit to bull stick 14 in this embodiment for slide 4 shifts on horizontal slide rail 3.

Referring to fig. 5, the driving screw 6 is a bidirectional screw, two ends of the driving screw 6 are symmetrically arranged in the slave scissor jack 5, a driving motor is fixedly arranged on the side wall of the scissor jack 5 through a bracket, and an output shaft of the driving motor is connected with the driving screw 6 through a gear and drives the driving screw to rotate.

Specifically, balanced subassembly includes spacing round 9, drags belt 10 and pulley 11, and two pulley 11 settings are at the upper surface of slide 4, and spacing round 9 cover is established in the one end of spliced pole 7, drags belt 10 cover and establishes the outer wall at spacing round 9 and pulley 11, drags belt 10 in this embodiment and also can adopt the chain material component, only need reach to drag the effect to spacing round 9 and spliced pole 7 can.

Referring to fig. 6, a rocker arm 12 is disposed outside the pulley 11, a bottom end of the rocker arm 12 is connected to the sliding plate 4 through a torsion rotating shaft, a rotatable auxiliary wheel is disposed at a top end of the rocker arm 12, the rocker arm 12 rotates under the torsion rotating shaft and presses the towing belt 10 through the auxiliary wheel, the rocker arm 12 in this embodiment is designed as an arc-shaped sheet member, and the rocker arm 12 is disposed in an arc center toward the pulley 11, which is more convenient for pressing the towing belt 10 when the rocker arm 12 swings.

Referring to fig. 6, two rocker arms 12 are arranged, the two rocker arms 12 are symmetrically or alternatively arranged at the outer side of the pulley 11, the side walls of the two rocker arms 12 opposite to the torsion rotating shaft at the bottom end are symmetrically connected and provided with beam frames, sliding grooves are uniformly arranged on the side walls of the beam frames, the two ends of the pulley 11 are embedded in the sliding grooves and can slide along the sliding grooves, and the two rocker arms 12 arranged in an alternating manner can extrude the dragging belt 10 at a larger distance.

The beam frame is used for keeping the stability of the pulley 11 in the displacement process, avoiding the deflection of the pulley 11 in the displacement process and avoiding the separation of the towing belt 10 and the pulley 11.

The inboard of two pulleys 11 is equipped with flexible push rod, and the both ends of flexible push rod are connected with pulley 11 respectively, and flexible push rod adopts hydraulic telescoping rod in this embodiment, carries out the power supply with the battery through cable junction and carries out hydraulic pressure operation, and flexible push rod can extend or shorten during the operation to the position of two pulleys 11 of adjustment.

Referring to fig. 2 and 3, the locking assembly includes expansion balls 8, and the expansion balls 8 are uniformly distributed on the side wall of the connecting column 7 along the circumferential direction, in this embodiment, the expansion balls 8 can effectively increase the friction force of the connecting column 7 in the slot, so as to improve the stability of the connecting column 7 in the slot.

Referring to fig. 8, 9 and 10, the locking assembly includes a locking motor 18 and a locking plate 20, the sidewall of the connecting column 7 is uniformly provided with a plurality of receiving grooves 19 along the circumferential direction, each receiving groove 19 is rotatably connected with the locking plate 20 through a rotating shaft, one end of the rotating shaft is sleeved with an auxiliary gear, the locking motor 18 is arranged at the axis of the connecting column 7, and the output shaft of the locking motor 18 is sleeved with a driving gear, the driving gear is meshed with the auxiliary gear, in the embodiment, the number of the locking pieces 20 is four, the number of the locking pieces 20 is not limited to four, when the degree of depth of draw-in groove is the thickness of protection greenhouse lateral wall, when 7 tip inserts of spliced pole, a plurality of stay tabs 20 can pass the inner wall department that reachs the protection greenhouse in the draw-in groove, can block in the inner wall of protection greenhouse when stay tab 20 opens this moment, the effectual spliced pole 7 of avoiding separates with the protection greenhouse.

The working principle and the using process of the invention are as follows: in the practical use process of the sand track electric vehicle, four electric vehicles are required to be used together, the four electric vehicles are required to be arranged at four corners of a protection greenhouse respectively, clamping grooves are required to be formed in the side surface of the protection greenhouse, and the positions of the electric vehicles are adjusted when the track wheel sets 1 run, so that the connecting columns 7 reach the lower parts of the clamping grooves;

when the scissor jack 5 runs, the driving motor on the side wall of the scissor jack drives the driving screw 6 to rotate, the total height of the scissor jack 5 is adjusted in the rotating process of the driving screw 6, and then the height of the connecting column 7 is lifted, so that the height of the connecting column 7 is consistent with the height of the clamping groove;

the slide rail motor 15 drives the rotating rod 14 to operate in the electrifying process, and the rotating rod 14 drives the gear disc 17 to rotate when rotating, so that the gear disc 17 moves on the rack 16, the sliding plate 4 moves on the horizontal slide rail 3 along the horizontal slide rail 3, and one end of the connecting column 7 is inserted into the clamping groove;

an expansion ball 8 is additionally arranged at one end of the connecting column 7, the expansion ball 8 is synchronously clamped in the clamping groove when the connecting column 7 is inserted into the clamping groove, and the stability of the end part of the connecting column 7 in the clamping groove is further improved through the expansion structure of the expansion ball 8;

when the connecting column 7 is inserted into the clamping groove, the scissor jack 5 further operates and lifts the height of the scissor jack, so that the total height of the connecting column 7 is increased, the protective greenhouse is lifted to be lifted off the ground, then the four crawler wheel sets 1 operate, the electric vehicle is driven to move, and the protective greenhouse is lifted to move together.

The balance assembly at the other end of the connecting column 7 can enable the connecting column 7 to be kept horizontal in the height adjusting process, two ends of a dragging belt 10 are sleeved on the limiting wheel 9 and the pulley 11, the rocker arm 12 pressurizes the dragging belt 10 under the action of the torsion spring to enable the dragging belt 10 to be tightened, and the limiting wheel 9 and the connecting column 7 are dragged in the tightening process of the dragging belt 10 to enable the connecting column 7 to be kept horizontal;

the inner sides of the two pulleys 11 are provided with telescopic push rods, the output rods of the telescopic push rods can be pushed out when the telescopic push rods operate, the two pulleys 11 are far away from each other, the towing belt 10 is tightened when the two pulleys 11 are far away from each other, and the connecting column 7 is further kept horizontal in the height adjusting process.

When the connecting column 7 adopts the accommodating groove 19 as a locking component, the locking motor 18 is powered on and drives the output shaft to rotate, the output shaft drives the driving gear and the auxiliary gear to rotate when rotating, and further drives the rotating shaft to rotate, so that the locking sheet 20 deflects through the rotating shaft, one end of the locking sheet 20 is thrown out of the connecting column 7 in the deflection process, the end part of the connecting column 7 is locked in the clamping groove, and the protection greenhouse is prevented from being separated from the electric vehicle in the position transfer process.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all equivalent variations made by using the contents of the present specification and the drawings are within the protection scope of the present invention.

Claims

1. The utility model provides a sand ground operation crawler-type electric motor car, includes track wheelset (1) that base plate (2) and base plate (2) bottom symmetry set up, its characterized in that: a plurality of groups of horizontal sliding rails (3) are horizontally arranged on the upper surface of the base plate (2) in a direction perpendicular to the arrangement direction of the crawler wheel group (1), a sliding plate (4) capable of sliding along the horizontal sliding rails (3) is arranged at the top end of each group of horizontal sliding rails (3), a rack (16) is arranged between each group of horizontal sliding rails (3) and located on the upper surface of the base plate (2) along the installation direction of the horizontal sliding rails (3), and an adjusting assembly used for adjusting the position of the sliding plate (4) is arranged on the sliding plate (4); a height lifting assembly is arranged on the upper surface of the sliding plate (4) on one side of the adjusting assembly;

high lifting subassembly includes scissor jack (5) and drive lead screw (6) that set up along the trend of track wheelset (1), drive lead screw (6) run through and adjust scissor jack's (5) total height from the pivot department at scissor jack (5) middle part, scissor jack (5) top is run through along the extending direction of horizontal slide rail (3) and is equipped with spliced pole (7), the one end that spliced pole (7) are close to adjusting part is equipped with balanced subassembly, the one end that balanced subassembly was kept away from in spliced pole (7) is equipped with locking Assembly.

2. The sand-working tracked electric vehicle of claim 1, wherein: the adjusting assembly comprises a protective cover (13), a rotating rod (14) and a gear disc (17), the protective cover (13) is fixedly arranged on the upper surface of the sliding plate (4) and is positioned right above the rack (16), the rotating rod (14) is horizontally arranged in the protective cover (13) along the direction perpendicular to the rack (16), and the gear disc (17) is sleeved on the rotating rod (14) and is meshed with the rack (16);

the outer wall of safety cover (13) is fixed and is equipped with slide rail motor (15), the output shaft of slide rail motor (15) runs through safety cover (13) lateral wall and is connected with bull stick (14).

3. The sand work track laying electric vehicle as claimed in claim 1, wherein: the driving screw rod (6) is a bidirectional screw rod, two ends of the driving screw rod (6) are symmetrically arranged in the slave scissor jack (5), a driving motor is fixedly arranged on the side wall of the scissor jack (5) through a support, and an output shaft of the driving motor is connected with the driving screw rod (6) through a gear and drives the driving screw rod to rotate.

4. The sand work track laying electric vehicle as claimed in claim 1, wherein: the balance assembly comprises a limiting wheel (9), a dragging belt (10) and a pulley (11), the pulley (11) is arranged on the upper surface of the sliding plate (4), the limiting wheel (9) is sleeved at one end of the connecting column (7), and the dragging belt (10) is sleeved on the outer wall of the limiting wheel (9) and the pulley (11).

5. The sand work track laying electric vehicle of claim 4, wherein: the outer side of the pulley (11) is provided with a rocker arm (12), the bottom end of the rocker arm (12) is connected with the sliding plate (4) through a torsion rotating shaft, the top end of the rocker arm (12) is provided with a rotatable auxiliary wheel, and the rocker arm (12) rotates under the torsion rotating shaft and extrudes the towing belt (10) through the auxiliary wheel.

6. The sand work track laying electric vehicle of claim 5, wherein: the two rocker arms (12) are arranged, and the two rocker arms (12) are symmetrically or alternatively arranged on the outer side of the pulley (11).

7. The sand work track electric vehicle of claim 6, wherein: the side walls of the two rocker arms (12) at the bottom ends opposite to the torsion rotating shaft are symmetrically connected with beam frames, slide grooves are uniformly formed in the side walls of the beam frames, and the two ends of the pulley (11) are embedded in the slide grooves and can slide along the slide grooves;

the inner sides of the two pulleys (11) are provided with telescopic push rods, and two ends of each telescopic push rod are respectively connected with the pulleys (11).

8. The sand work track laying electric vehicle as claimed in claim 1, wherein: the locking assembly comprises expansion balls (8), and the expansion balls (8) are uniformly distributed on the side wall of the connecting column (7) along the circumferential direction.

9. The sand work track laying electric vehicle as claimed in claim 1, wherein: locking Assembly includes locking motor (18) and stay (20), and the lateral wall of spliced pole (7) has evenly seted up a plurality of grooves (19) of accomodating, every all rotate through the pivot in accomodating groove (19) and connect and be equipped with stay (20), and a pivot pot head is equipped with auxiliary gear, the axis department at spliced pole (7) is established in locking motor (18), just the cover is equipped with drive gear on the output shaft of locking motor (18), and drive gear is connected its transmission with auxiliary gear meshing.