CN114458743B - Vehicle-mounted intermittent movement device - Google Patents

Vehicle-mounted intermittent movement device Download PDF

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Publication number
CN114458743B
CN114458743B CN202210099809.9A CN202210099809A CN114458743B CN 114458743 B CN114458743 B CN 114458743B CN 202210099809 A CN202210099809 A CN 202210099809A CN 114458743 B CN114458743 B CN 114458743B
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pawl
ratchet
working plate
vehicle
rack
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CN202210099809.9A
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CN114458743A (en
Inventor
何亚银
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Shaanxi University of Technology
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Shaanxi University of Technology
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H35/00—Gearings or mechanisms with other special functional features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/12—Freewheels or freewheel clutches with hinged pawl co-operating with teeth, cogs, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H27/00—Step-by-step mechanisms without freewheel members, e.g. Geneva drives
    • F16H27/02—Step-by-step mechanisms without freewheel members, e.g. Geneva drives with at least one reciprocating or oscillating transmission member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H35/00—Gearings or mechanisms with other special functional features
    • F16H2035/006—Gearings or mechanisms for stopping or limiting movement, e.g. stopping a movement after few turns
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a vehicle-mounted intermittent moving device, which comprises a bottom plate, wherein supporting legs are fixedly connected above the bottom plate, ratchet working plates are fixedly connected above the supporting legs, and the ratchet working plates are arranged in parallel with the bottom plate; the ratchet wheel working plate is also connected with a working plate in a sliding way; the ratchet working plate is connected with a ratchet and an incomplete gear, the ratchet and the incomplete gear coaxially rotate, a rack and a rear rack are arranged on the working plate, and the rack and the rear rack are symmetrically distributed on two sides of the ratchet working plate and meshed with the incomplete gear; the ratchet wheel is meshed with the pawl, a pawl rod is connected to the pawl, the pawl rod is fixedly connected to the ratchet wheel working plate through a sliding sleeve, a connecting rod is hinged to the other end of the pawl rod, and the connecting rod is connected with the motor through a crank. The invention adopts a transmission mode of combining a ratchet and pawl mechanism and an incomplete gear and rack mechanism to realize intermittent movement and reciprocating movement of the vehicle-mounted mechanism, can realize a self-locking function, and has the advantages of simple structure, convenient operation and the like.

Description

Vehicle-mounted intermittent movement device
Technical Field
The invention belongs to the technical field of mechanical design and manufacture, and particularly relates to a vehicle-mounted intermittent moving device.
Background
The tobacco and rice in China have large planting areas, and the links of tillage finishing, seeding and seedling raising, plant protection, rice threshing and the like in the planting and production process are mechanized or automated. The transplanting link still uses traditional manual work in most of the time, especially the traditional manual transplanting of the transplanting link can not be linked with the modern planting industry, and the high efficiency, high quality and high yield of tobacco and rice planting are seriously affected due to high labor intensity, time and labor consumption and low labor efficiency.
In order to realize the mechanization of the transplanting link, a transplanter with an automatic seedling planting function is designed, and the seedling conveying device has an intermittent motion function in the transplanting process due to the planting distance requirement of seedlings. Therefore, the vehicle-mounted intermittent moving device is designed, and the requirements of seedling feeding in transplanting links such as tobacco seedlings, rice seedlings and the like can be met.
Disclosure of Invention
The invention aims to provide a vehicle-mounted intermittent moving device, which solves the problems of high labor intensity, time and labor waste and low working efficiency in seedling transplanting links.
The technical scheme adopted by the invention is as follows: a vehicle-mounted intermittent movement device comprises a bottom plate, wherein supporting legs are fixedly connected above the bottom plate, a ratchet working plate is fixedly connected above the supporting legs, and the ratchet working plate is arranged in parallel with the bottom plate; the ratchet wheel working plate is also connected with a working plate in a sliding way;
the ratchet working plate is connected with a ratchet and an incomplete gear, the ratchet and the incomplete gear coaxially rotate, a rack and a rear rack are arranged on the working plate, and the rack and the rear rack are symmetrically distributed on two sides of the ratchet working plate and meshed with the incomplete gear; the ratchet wheel is meshed with the pawl, a pawl rod is connected to the pawl, the pawl rod is fixedly connected to the ratchet wheel working plate through a sliding sleeve, a connecting rod is hinged to the other end of the pawl rod, the connecting rod is hinged to a crank, the crank is connected to a motor, and the motor is fixedly connected to the bottom plate.
The present invention is also characterized in that,
the working plate is connected with the lower surface of the ratchet working plate and is provided with a groove, the ratchet working plate is provided with a sliding rail, and the groove is matched with the sliding rail.
The pawl includes initiative pawl and check pawl, and initiative pawl and check pawl pass through connecting piece hinged joint in the both sides of pawl pole, still are provided with the spring fixed block relatively on initiative pawl and the check pawl respectively, are provided with the spring between two spring fixed blocks.
Four wheels are connected below the bottom plate.
The rack and the rear rack are fixed on the working plate through a rack cushion block.
The connecting rod is hinged with the detent rod through a nut and a bolt.
The motor is fixedly connected with the bottom plate through a motor supporting block fixed on the upper surface of the bottom plate.
The sliding sleeve is U-shaped, and the pawl rod penetrates through the sliding sleeve to realize axial movement.
The support legs are four and are respectively arranged at four corners of the ratchet wheel working plate.
The beneficial effects of the invention are as follows:
according to the vehicle-mounted intermittent moving device, the intermittent movement of the vehicle-mounted mechanism is realized by adopting a transmission mode of combining a ratchet and pawl mechanism with an incomplete gear and rack mechanism; intermittent motion is realized by utilizing a ratchet and pawl mechanism, reciprocating motion is realized by utilizing an incomplete gear and rack mechanism, and a self-locking function can be realized by adopting a ratchet and pawl mechanism moving device, so that the device has the advantages of simple structure, convenience in operation and the like.
Drawings
FIG. 1 is a schematic view of a vehicular intermittent moving apparatus of the present invention;
FIG. 2 is a detailed view of the ratchet pawl mechanism and the incomplete rack and pinion mechanism of the vehicle intermittent motion device of the present invention;
fig. 3 is a schematic diagram of a pawl structure of a vehicle-mounted intermittent movement device.
In the figure: 1. support legs, 2, wheels, 3, bottom plate, 4, motor support block, 5, motor, 6, crank, 7, connecting rod, 8, nut, 9, bolt, 10, rack pad, 11, ratchet work plate, 12, sliding sleeve, 13, ratchet rod, 14, ratchet, 15, incomplete gear, 16, rack, 16-1, rear rack, 17, work plate, 18, sliding rail, 19, groove, 20, active pawl, 21, spring fixing block, 22, spring, 23, non-return pawl, 24.
Detailed Description
The invention is described in detail below with reference to the attached drawings and detailed description:
as shown in fig. 1, the vehicle-mounted intermittent movement device comprises a bottom plate 3, wherein supporting legs 1 are fixedly connected above the bottom plate 3, ratchet working plates 11 are fixedly connected above the supporting legs 1, and the ratchet working plates 11 are arranged in parallel with the bottom plate 3; the ratchet wheel working plate 11 is also connected with a working plate 17 in a sliding way;
the ratchet wheel working plate 11 is connected with a ratchet wheel 14 and an incomplete gear 15, the ratchet wheel 14 and the incomplete gear 15 coaxially rotate, a rack 16 and a rear rack 16-1 are arranged on the working plate 17, and the rack 16 and the rear rack 16-1 are symmetrically distributed on two sides of the ratchet wheel working plate 11 and meshed with the incomplete gear 15; the ratchet wheel 14 is meshed with a pawl, a pawl rod 13 is connected to the pawl, the pawl rod 13 is fixedly connected to the ratchet wheel working plate 11 through a sliding sleeve 12, the other end of the pawl rod 13 is hinged with a connecting rod 7, the connecting rod 7 is hinged with a crank 6, the crank 6 is connected to the motor 5, and the motor 5 is fixedly connected to the bottom plate 3.
The lower surface of the work plate 17 connecting the ratchet work plate 11 is provided with a recess 19,
a slide rail 18 is arranged on the ratchet working plate 11, and a groove 19 is matched with the slide rail 18.
As shown in fig. 3, the pawl includes a driving pawl 20 and a non-return pawl 23, the driving pawl 20 and the non-return pawl 23 are hinged on two sides of the pawl lever 13 by a connecting piece 24, the driving pawl 20 and the non-return pawl 23 are respectively and oppositely provided with a spring fixing block 21, and a spring 22 is arranged between the two spring fixing blocks 21.
Four wheels 2 are connected below the bottom plate 3.
The rack 16 and the rear rack 16-1 are fixed to the work plate 17 by the rack pad 10.
The connecting rod 7 is hinged with the pawl rod 13 through a nut 8 and a bolt 9.
The motor 5 is fixedly connected with the bottom plate 3 through a motor supporting block 4 fixed on the upper surface of the bottom plate 3.
The sliding sleeve 12 is U-shaped, and the detent rod 13 passes through the sliding sleeve 12 to realize axial movement.
The supporting legs 1 are respectively arranged at four corners of the ratchet wheel working plate 11.
The incomplete gear 15 is disposed against the ratchet work plate 11.
The specific working process of the vehicle-mounted intermittent moving device is as follows:
when the vehicle-mounted intermittent moving device works, the wheel 2 drives the device to move to a proper position, the motor 5 is started, as shown in fig. 2, the motor 5 drives the crank 6 to rotate, and the crank 6 drives the connecting rod 7 to move in a plane, so that the detent rod 13 is driven to reciprocate left and right; when the detent lever 13 moves leftwards, the active pawl 20 is inserted into the groove of the ratchet wheel 14 under the action of the spring 22 connecting the active pawl 20 and the non-return pawl 23, the active pawl 20 drives the ratchet wheel 14 to rotate anticlockwise, at the moment, the non-return pawl 23 strokes on the ratchet wheel 14, meanwhile, the incomplete gear 15 coaxial with the ratchet wheel 14 also rotates anticlockwise, the incomplete gear 15 drives the rear rack 16-1 to move rightwards, and the rear rack 16-1 passes through the rack cushion block 10, so that the working plate 17 also moves rightwards; when the detent lever 13 moves rightward, the driving pawl 20 slides over the tooth surface of the ratchet wheel 14, at this time, the non-return pawl 23 is inserted into the groove of the ratchet wheel 14 to prevent the ratchet wheel 14 from rotating, the ratchet wheel 14 and the incomplete gear 15 are stationary, and at this time, the working plate 17 is also stationary;
when the rear rack 16-1 is meshed with the incomplete gear 15 to the leftmost end, the mechanism moves to the rightmost end, and at the moment, the incomplete gear 15 moves to the other side to be meshed with the rack 16; when the detent lever 13 moves leftwards, the active pawl 20 is inserted into the groove of the ratchet wheel 14 under the action of the spring 22 connected with the active pawl 20 and the non-return pawl 23, the active pawl 20 drives the ratchet wheel 14 to rotate anticlockwise, at the moment, the non-return pawl 23 strokes on the ratchet wheel 14, meanwhile, the incomplete gear 15 coaxial with the ratchet wheel 14 also rotates anticlockwise, the incomplete gear 15 drives the rack 16 to move leftwards, and the rack 16 passes through the rack cushion block 10, so that the working plate 17 also moves leftwards; when the detent lever 13 moves rightward, the driving pawl 20 slides over the tooth surface of the ratchet wheel 14, at this time, the non-return pawl 23 is inserted into the groove of the ratchet wheel 14 to prevent the ratchet wheel 14 from rotating, the ratchet wheel 14 and the incomplete gear 15 are stationary, and at this time, the working plate 17 is also stationary;
the working principle of the invention is as follows: the invention adopts a transmission mode of combining a ratchet and pawl mechanism and an incomplete gear and rack mechanism to realize intermittent movement of the vehicle-mounted mechanism; intermittent motion is realized by utilizing a ratchet and pawl mechanism, reciprocating motion is realized by utilizing an incomplete gear and rack mechanism, and a self-locking function can be realized by utilizing the ratchet mechanism.

Claims (9)

1. The vehicle-mounted intermittent moving device is characterized by comprising a bottom plate (3), wherein supporting legs (1) are fixedly connected above the bottom plate (3), a ratchet working plate (11) is fixedly connected above the supporting legs (1), and the ratchet working plate (11) is placed in parallel with the bottom plate (3); the ratchet wheel working plate (11) is also connected with a working plate (17) in a sliding way;
the ratchet working plate (11) is connected with a ratchet (14) and an incomplete gear (15), the ratchet (14) and the incomplete gear (15) rotate coaxially, a rack (16) and a rear rack (16-1) are arranged on the working plate (17), and the rack (16) and the rear rack (16-1) are symmetrically distributed on two sides of the ratchet working plate (11) and meshed with the incomplete gear (15); ratchet (14) are engaged with the pawl, be connected with pawl pole (13) on the pawl, pawl pole (13) are through sliding sleeve (12) fixed connection on ratchet working plate (11), pawl pole (13) other end articulates there is connecting rod (7), connecting rod (7) are articulated with crank (6), crank (6) are connected on motor (5), motor (5) fixed connection is on bottom plate (3).
2. The vehicle-mounted intermittent movement device according to claim 1, wherein the working plate (17) is connected with a lower surface of the ratchet working plate (11) and is provided with a groove (19), the ratchet working plate (11) is provided with a sliding rail (18), and the groove (19) is matched with the sliding rail (18).
3. The vehicle-mounted intermittent movement device according to claim 1, wherein the pawl comprises a driving pawl (20) and a non-return pawl (23), the driving pawl (20) and the non-return pawl (23) are hinged to two sides of the pawl rod (13) through a connecting piece (24), spring fixing blocks (21) are arranged on the driving pawl (20) and the non-return pawl (23) respectively and oppositely, and a spring (22) is arranged between the two spring fixing blocks (21).
4. Vehicle-mounted intermittent movement device according to claim 1, characterized in that four wheels (2) are connected below the bottom plate (3).
5. The vehicle-mounted intermittent motion device according to claim 1, wherein the rack (16) and the rear rack (16-1) are fixed on the work plate (17) through a rack pad (10).
6. The vehicle-mounted intermittent movement device according to claim 1, wherein the connecting rod (7) is hinged with the pawl rod (13) through a nut (8) and a bolt (9).
7. The vehicle-mounted intermittent movement device according to claim 1, wherein the motor (5) is fixedly connected with the base plate (3) through a motor supporting block (4) fixed on the upper surface of the base plate (3).
8. The vehicle-mounted intermittent movement device according to claim 1, wherein the sliding sleeve (12) is U-shaped, and the pawl rod (13) passes through the sliding sleeve (12) to realize axial movement.
9. The vehicle-mounted intermittent movement device according to claim 1, wherein the four support legs (1) are respectively arranged at four corners of the ratchet working plate (11).
CN202210099809.9A 2022-01-27 2022-01-27 Vehicle-mounted intermittent movement device Active CN114458743B (en)

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Application Number Priority Date Filing Date Title
CN202210099809.9A CN114458743B (en) 2022-01-27 2022-01-27 Vehicle-mounted intermittent movement device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210099809.9A CN114458743B (en) 2022-01-27 2022-01-27 Vehicle-mounted intermittent movement device

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CN114458743A CN114458743A (en) 2022-05-10
CN114458743B true CN114458743B (en) 2023-06-27

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190812087A (en) * 1907-06-03 1908-07-30 Victor Chaveriat Improvements in Apparatus for Adjusting Railway Vehicle and like Brakes.
GB140974A (en) * 1919-09-16 1920-04-08 Alfred Ernest Buck Improvements in variable speed and reverse gears
CN204533418U (en) * 2015-03-31 2015-08-05 宁波宫铁精机有限公司 A kind of bi-directional braking ratchet mechanism
CN108906922A (en) * 2018-08-12 2018-11-30 陕西理工大学 A kind of self-locking manual press machine
CN109720310A (en) * 2019-01-18 2019-05-07 刘虎 A kind of working method of apparatus for moving vehicle and apparatus for moving vehicle
CN113442695A (en) * 2020-03-25 2021-09-28 丰田车体株式会社 Vehicle door stop device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190812087A (en) * 1907-06-03 1908-07-30 Victor Chaveriat Improvements in Apparatus for Adjusting Railway Vehicle and like Brakes.
GB140974A (en) * 1919-09-16 1920-04-08 Alfred Ernest Buck Improvements in variable speed and reverse gears
CN204533418U (en) * 2015-03-31 2015-08-05 宁波宫铁精机有限公司 A kind of bi-directional braking ratchet mechanism
CN108906922A (en) * 2018-08-12 2018-11-30 陕西理工大学 A kind of self-locking manual press machine
CN109720310A (en) * 2019-01-18 2019-05-07 刘虎 A kind of working method of apparatus for moving vehicle and apparatus for moving vehicle
CN113442695A (en) * 2020-03-25 2021-09-28 丰田车体株式会社 Vehicle door stop device

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