WO2021218654A1 - 啮合适配机构及物流系统 - Google Patents

啮合适配机构及物流系统 Download PDF

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Publication number
WO2021218654A1
WO2021218654A1 PCT/CN2021/087624 CN2021087624W WO2021218654A1 WO 2021218654 A1 WO2021218654 A1 WO 2021218654A1 CN 2021087624 W CN2021087624 W CN 2021087624W WO 2021218654 A1 WO2021218654 A1 WO 2021218654A1
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WO
WIPO (PCT)
Prior art keywords
rack
gear
meshing
guide tooth
tooth
Prior art date
Application number
PCT/CN2021/087624
Other languages
English (en)
French (fr)
Inventor
王显旺
吴明福
Original Assignee
北京京东乾石科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京京东乾石科技有限公司 filed Critical 北京京东乾石科技有限公司
Priority to US17/997,043 priority Critical patent/US20230193985A1/en
Priority to JP2022565670A priority patent/JP2023522476A/ja
Priority to KR1020227041145A priority patent/KR20230005286A/ko
Priority to EP21796377.6A priority patent/EP4122846A4/en
Publication of WO2021218654A1 publication Critical patent/WO2021218654A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02—Storage devices
    • B65G1/04—Storage devices mechanical
    • 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
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G35/00—Mechanical conveyors not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02—Storage devices
    • B65G1/04—Storage devices mechanical
    • B65G1/0492—Storage devices mechanical with cars adapted to travel in storage aisles
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/26—Racks
    • 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
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • F16H2019/046—Facilitating the engagement or stopping of racks
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/08—Profiling
    • F16H2055/0866—Profiles for improving radial engagement of gears, e.g. chamfers on the tips of the teeth

Definitions

  • the present disclosure relates to the field of mechanical transmission, in particular to a meshing and adapting mechanism and a logistics system.
  • the logistics vehicle needs to frequently switch from horizontal movement to vertical climbing movement.
  • the logistics vehicle generally climbs along the rack through the meshing of gears and racks.
  • gears and racks In the process of introducing the gear into the rack, there is a phenomenon that the gear is on the side of the rack and cannot move axially, which causes the failure of the gear to be axially introduced into the rack, causing system failures and affecting the operating efficiency of the entire system.
  • Some embodiments of the present disclosure provide a meshing and adapting mechanism, which includes:
  • the rack includes a first side surface and a second side surface that are arranged oppositely;
  • the first guide tooth is arranged on the first side surface
  • a second guide tooth is movably provided on the first side surface, and the second guide tooth is away from the second side surface with respect to the first guide tooth;
  • a gear configured to initially mesh with the rack from the first side surface, move in the direction of the second side surface, and further mesh with the rack;
  • At least one of the first guide tooth and the second guide tooth is configured to mesh with the gear when the gear moves from the first side surface to the second side surface.
  • the second guide tooth is configured to move in the direction of the second side surface under the action of an external force.
  • the meshing and adapting mechanism includes a mounting member, the mounting member is movably provided on the first side surface, and the second guide tooth is provided on the mounting member.
  • an elastic member is provided between the mounting member and the first side surface.
  • the meshing and adapting mechanism includes a first shaft that connects the mounting member and the rack, and the first shaft is connected to the second side along the first side surface.
  • the line direction is set, and the mounting member is configured to move in translation relative to the rack.
  • the first side surface is provided with a first recess
  • the first recess is recessed in the direction of the second side surface
  • the mounting member is provided in the first recess
  • the mounting member includes An outer side surface flush with the first side surface
  • the first guide tooth is provided in the first recess, and the mounting member is provided with an escape portion for avoiding the first guide tooth.
  • the meshing and adapting mechanism includes a second shaft that connects the mounting member and the rack, and the second shaft is perpendicular to the first side surface and the second side surface.
  • the connecting direction is set, and the mounting member is configured to swing relative to the rack.
  • the first side surface is provided with a second recess
  • the mounting member includes a first mounting part and a second mounting part
  • the first mounting part is provided in the second recess
  • the first mounting part is provided in the second recess.
  • Two guide teeth are provided on the first mounting portion, and the second shaft connects the second mounting portion and the rack.
  • the back of the rack is provided with a third recess
  • the third recess communicates with the second recess
  • the second mounting part is provided in the third recess
  • the mounting member includes An outer side surface that is flush with the back surface and the first side surface of the rack.
  • the first guide tooth and the second guide tooth are respectively located on both sides of the central axis of the gear.
  • the second The guide teeth are configured to move in the direction of the second side surface under the action of an external force, and the maximum distance of movement is a second distance, and the second distance is greater than the first distance.
  • the side of the first guide tooth away from the second side surface is configured as a first pointed portion
  • the side of the second guide tooth away from the second side surface is configured as a second A pointed portion
  • the first pointed portion and the second pointed portion both extend in a direction away from the second side surface
  • the portion where the gear and the rack are initially meshed is configured as a third pointed portion Part, the first pointed part and the second pointed part are matched with the third pointed part.
  • the first pointed portion includes a first inclined surface, a second inclined surface, and a first end surface, and a side close to the first inclined surface and the second inclined surface is connected to the first end surface;
  • the second pointed portion includes a third inclined surface, a fourth inclined surface, and a second end surface, and a side of the third inclined surface close to the fourth inclined surface is connected to the second end surface.
  • the rack is provided with more than two first teeth along the length extension direction, and the first guide tooth is provided on a side end surface of one of the two or more first teeth.
  • the rack is provided with more than two first teeth along the length extension direction, and the tooth tops of the first guide tooth and the second guide tooth are both connected to the two or more first teeth. The top of one tooth is flush.
  • Some embodiments of the present disclosure provide a logistics system, which includes a logistics vehicle, a frame body, and the aforementioned meshing and adapting mechanism.
  • the gears in the meshing and adapting mechanism are provided in the logistics vehicle.
  • the rack in the middle is provided on the frame, and the logistics cart is configured to move along the rack through the meshing of the gear and the rack.
  • the logistics system includes a third shaft provided in the logistics vehicle and a power mechanism, the third shaft is connected to the power mechanism and the gear, and the power mechanism is configured to drive the gear from the The first side surface of the rack moves in the direction of the second side surface.
  • the first guide tooth and the second guide tooth are provided at the same time.
  • the second guide tooth is close to the gear relative to the first guide tooth, and the second guide tooth can move relative to the rack .
  • the first guide tooth and the second guide tooth it is used to alleviate the various unfavorable factors of the gear into the rack, which is beneficial for the gear to successfully introduce the rack to mesh with the rack under the condition of full angle.
  • Fig. 1 is a schematic diagram of a meshing and adapting mechanism provided according to some embodiments of the present disclosure
  • Figure 2 is a schematic diagram of a rack and a first guide tooth provided according to some embodiments of the present disclosure
  • Fig. 3 is a schematic diagram of a mounting member and a second guide tooth provided according to some embodiments of the present disclosure
  • Figure 4 is a schematic diagram of a gear provided according to some embodiments of the present disclosure.
  • FIG. 5 is a schematic diagram of preliminary meshing of a gear provided by some embodiments of the present disclosure with a first side surface of a rack;
  • Fig. 6 is a schematic diagram of a meshing and adapting mechanism provided according to other embodiments of the present disclosure.
  • Fig. 7 is a schematic diagram of the rack and the mounting member in Fig. 6.
  • a gear is set on the logistics vehicle, and a rack is set on the frame body.
  • the gear and the rack are meshed to make the logistics vehicle move along the rack.
  • the gear on the logistics vehicle is introduced into the rack, the tooth end face of the gear and the rack The end faces of the upper teeth are likely to be staggered.
  • the gear is pushed into the rack axially, the teeth on the gear mesh with the teeth on the rack and rotate at a certain angle, so as to achieve the successful meshing of the gear and the rack.
  • the tooth end face on the gear is just aligned with the tooth end face on the rack, and the gear tops on the side of the rack and cannot move axially, causing the gear to fail to guide the rack axially.
  • some embodiments of the present disclosure provide a meshing and adapting mechanism, which is used to alleviate the problem of the failure of the gear to be introduced into the rack.
  • the meshing and adapting mechanism includes a rack 1, a first guide tooth 2, a second guide tooth 3, and a gear 4.
  • the rack 1 includes a first side surface 11 and a second side surface 12 disposed oppositely.
  • the front surface of the rack 1 is provided with two or more first teeth 13 along the longitudinal extension direction of the rack 1, and the side opposite to the front surface of the rack 1 is the back surface 14 of the rack 1.
  • the direction between the first side surface 11 and the second side surface 12 is the extending direction of each of the two or more first teeth 13.
  • the first guide tooth 2 is provided on the first side surface 11 of the rack 1.
  • the second guide tooth 3 is movably arranged on the first side surface 11 of the rack 1, and the second guide tooth 3 is away from the second side surface 12 relative to the first guide tooth 2.
  • the gear 4 is provided with more than two second teeth 42 in the circumferential direction, and the second teeth 42 are used for meshing with the first teeth 13 on the rack 1.
  • the gear 4 is configured to initially mesh with the rack 1 from the first side surface 11 and move in the direction of the second side surface 12 to further mesh with the rack 1.
  • At least one of the first guide tooth 2 and the second guide tooth 3 is configured to mesh with the gear 4 when the gear 4 moves from the first side surface 11 to the second side surface 12.
  • the second guide tooth 3 first contacts the gear 4, and the gear 4 rotates to a position where the gear 4 is correctly meshed with the rack 1 under the action of the second guide tooth 3, so that the gear 4 is correctly guided into the rack 1.
  • the gear 4 will resist the second guide tooth 3 and cannot rotate.
  • the second The guide tooth 3 moves relative to the first side surface 11 under force.
  • the gear 4 is turned and rotated through a certain angle, so that the gear 4 is rotated to a position where the gear 4 is correctly meshed with the rack 1 so that the gear 4 is correctly guided into the rack 1.
  • some embodiments provided by the present disclosure are provided with a first guide tooth 2 and a second guide tooth 3 at the same time, and the first guide tooth 2 and the second guide tooth 3 cooperate with each other to alleviate the various disadvantages of the gear 4 being introduced into the rack 1. , It is beneficial for the gear 4 to be successfully introduced into the rack 1 to mesh with the rack 1 at a full angle.
  • first guide teeth 2 and the second guide teeth 3 are respectively located on both sides of the central axis of the gear 4.
  • first guide tooth 2 is located above the central axis of the gear 4, and the second guide tooth 3 is located below the central axis of the gear 4.
  • first guide tooth 2 is located below the central axis of the gear 4, and the second guide tooth 3 is located above the central axis of the gear 4.
  • the second guide tooth 3 is adjacent to the first guide tooth 2.
  • the second guide tooth 3 is configured to move in the direction of the second side surface 12 under the action of an external force.
  • the second guide tooth 3 is configured In order to move in the direction of the second side surface 12 under the action of an external force, the maximum distance of movement is the second distance b, which is greater than the first distance a.
  • the gear 4 is turned over a certain angle to make the gear 4 Rotate to the position where it is correctly meshed with the rack 1, so that the gear 4 is correctly guided into the rack 1.
  • the side of the first guide tooth 2 facing away from the second side surface 12 is configured as a first pointed portion 21.
  • the side of the second guide tooth 3 facing away from the second side surface 12 is configured as a second pointed portion 31. Both the first pointed portion 21 and the second pointed portion 31 extend in a direction away from the second side surface 12.
  • the part where the gear 4 initially meshes with the rack 1 is configured as a third pointed portion 41, and both the first pointed portion 21 and the second pointed portion 31 are adapted to the third pointed portion 41 .
  • each second tooth 42 of the two or more second teeth 42 arranged in the circumferential direction of the gear 4 is provided with a third pointed portion 41.
  • the gear 4 When the gear 4 is engaged with the rack 1, at least one of the first pointed portion 21 and the second pointed portion 31 is engaged with the third pointed portion 41, and the gear 4 can be passively rotated without power.
  • the gear 4 When the gear 4 axially approaches the rack 1 and is introduced into the rack 1, the gear 4 is axially pushed into the rack 1, and the gear 4 passively rotates under the action of the inclined surfaces of the first pointed portion 21 and the second pointed portion 31 A certain angle, so as to achieve the correct meshing of the gear 4 and the rack 1.
  • the first pointed portion 21 includes a first inclined surface 211, a second inclined surface 212, and a first end surface 213.
  • the close end of the first inclined surface 211 and the second inclined surface 212 is connected to the first ⁇ 213.
  • the first inclined surface 211 and the second inclined surface 212 respectively extend from the ends of the two tooth surfaces of the first tooth 13, and the extending ends of the first inclined surface 211 and the second inclined surface 212 are close to and connected to the first end surface 213.
  • the second pointed portion 31 includes a third inclined surface 311, a fourth inclined surface 312, and a second end surface 313, and the close end of the third inclined surface 311 and the fourth inclined surface 312 is connected to the second ⁇ 313.
  • the third pointed portion 41 includes a fifth inclined surface 411, a sixth inclined surface 412, and a third end surface 413, and the close end of the fifth inclined surface 411 and the sixth inclined surface 412 is connected to the third ⁇ 413.
  • the fifth inclined surface 411 and the sixth inclined surface 412 respectively extend from the ends of the two tooth surfaces of the second tooth 42.
  • the extending ends of the fifth inclined surface 411 and the sixth inclined surface 412 are close to and connected to the third end surface 413.
  • FIG. 5 shows the relative positional relationship between the gear 4 and the second guide tooth 3 and the first guide tooth 2 when the gear 4 is initially engaged with the rack 1 from the first side surface 11 of the rack 1 in some embodiments.
  • the first guide tooth 2 and the second guide tooth 3 cooperate with each other to promote the correct introduction of the gear 4 into the rack 1 as follows: the third pointed portion 41 on a certain second tooth 42 of the gear 4 is not at the same time as the second guide tooth 3 Contact with the first guide tooth 2, using the front and back, up and down spatial relationship and the geometric characteristics of the rack and pinion to interact when the angle of the corresponding tooth is appropriate, without being affected by the other teeth, when the corresponding tooth is just aligned and cannot be rotated When the gear is 4, the adjacent teeth can subsequently intervene to break the just-aligned equilibrium state and realize the continuation of the introduction.
  • the first guide tooth 2 is provided on the tooth end surface of one of the first teeth 13.
  • the tooth top of the first guide tooth 2 and the tooth top of the second guide tooth 3 are both flush with the tooth top of the first tooth 13.
  • the engaging and adapting mechanism includes a mounting member 5, the mounting member 5 is movably provided on the first side surface 11, and the second guide tooth 3 is provided on the mounting member 5.
  • an elastic member 6 is provided between the mounting member 5 and the first side surface 11.
  • the mounting member 5 maintains a second distance b between the mounting member 5 and the rack 1 under the action of the elastic member 6, that is, the second guide tooth 3 maintains a second distance b between the second guide tooth 3 and the rack 1 under the action of the elastic member 6 .
  • the gear 4 moves from the first side surface 11 of the rack 1 to the second side surface 12 in the axial direction and is introduced into the rack 1 in the following situations:
  • the second guide The tooth 3 comes into contact with the gear 4 before the first guide tooth 2, and the gear 4 is further passively rotated to a position where the gear 4 is correctly meshed with the rack 1 under the action of the second guide tooth 3, so that the gear 4 is correctly guided into the rack 1.
  • the meshing and adapting mechanism includes a first shaft 7.
  • the first shaft 7 connects the mounting member 5 and the rack 1, and the first shaft 7 extends along the first side 11 and the second side 12
  • the connection direction is set, and the mounting member 5 is configured to move in translation relative to the rack 1.
  • the mounting member 5 and the first shaft 7 move relative to the rack 1 at the same time.
  • the first shaft 7 does not move, and the mounting member 5 moves along the first shaft 7 to move relative to the rack 1.
  • the first side surface 11 is provided with a first recess 111, the first recess 111 is recessed in the direction of the second side surface 12, and the mounting member 5 is provided in the first recess 111, and the mounting member 5 includes the first side surface 11 The outer side is flush.
  • the first guide tooth 2 is provided in the first recess 111, and the mounting member 5 is provided with an escape portion 53 for avoiding the first guide tooth 2.
  • the mounting member 5 is connected to the rack 1 through two first shafts 7.
  • the first recess 111 is provided with two first holes 114, and the two first holes 114 are respectively used to pass through two first shafts 7, and the two first shafts 7 are connected to the mounting member 5 and the rack. 1.
  • the first recess 111 is also provided with a second hole 115, and the second hole 115 is used for installing the elastic member 6.
  • the mounting member 5 is arranged in a symmetrical structure, which includes two third holes 54 and two avoiding parts 53.
  • the two third holes 54 respectively correspond to the two first holes 114 on the rack 1 and are used to pass through the two first shafts 7.
  • the two third holes 54 are respectively provided at two ends of the mounting member 5 and are symmetrical with respect to the middle of the mounting member 5.
  • the second guide tooth 3 is provided between the two third holes 54, a relief portion 53 is provided between the second guide tooth 3 and one of the third holes 54, and the second guide tooth 3 is between the other third hole 54
  • Another avoiding portion 53 is arranged in between, and the two avoiding portions 53 are symmetrical with respect to the middle portion of the mounting member 5.
  • the mounting member 5 is arranged in a symmetrical structure, and can be arranged not only on the rack 1 on one side of the logistics vehicle, but also on the rack 1 on the other side of the logistics vehicle.
  • the mounting member 5 is fixedly connected to the two first shafts 7, and the two first shafts 7 respectively penetrate into the two first holes 114 on the rack 1, so the second guide teeth 3 and The two first shafts 7 can reciprocate relative to the rack 1 in the connecting direction of the first side surface 11 and the second side surface 12 together.
  • the elastic member 6 is installed between the first recess 111 and the mounting member 5 so that there is a second distance b between the second guide tooth 3 and the first recess 111.
  • the meshing and adapting mechanism includes a second shaft 8.
  • the second shaft 8 connects the mounting member 5 and the rack 1, and the second shaft 8 is perpendicular to the first side surface 11 and the second side surface.
  • the connection direction of 12 is set, and the mounting member 5 is configured to swing relative to the rack 1.
  • the mounting member 5 is fixed to the second shaft 8, and both the mounting member 5 and the second shaft 8 swing relative to the rack 1.
  • the second shaft 8 is fixed to the rack 1, and the mounting member 5 swings relative to the rack 1 around the second shaft 8.
  • the first side surface 11 is provided with a second recess 112
  • the mounting member 5 includes a first mounting portion 51 and a second mounting portion 52
  • the first mounting portion 51 is provided in the second recess 112.
  • the second guide tooth 3 is provided on the first mounting portion 51
  • the second shaft 8 connects the second mounting portion 52 and the rack 1.
  • the elastic member 6 is provided between the first mounting portion 51 and the second concave portion 112.
  • the back 14 of the rack 1 is provided with a third recess 113, the third recess 113 is communicated with the second recess 112, and the second mounting portion 52 is provided in the third recess 113, and the mounting member 5 includes a connection with the rack 1
  • the back 14 and the first side 11 are flush with the outer side.
  • the second mounting portion 52 of the mounting member 5 is connected to the rack 1 through the second shaft 8, and the second guide teeth 3 are provided on the first mounting portion 51 of the mounting member 5.
  • the elastic member 6 is provided between the second recess 112 and the first mounting portion 51, so that there is a second distance b between the second guide teeth 3 and the second recess 112, and the first guide teeth 2 are processed on the rack 1 , It is adjacent to the position of the second guide tooth 3, and is located on the upper and lower sides of the axis of the gear 4 in height.
  • the first guide tooth 2 and the second guide tooth 3 initially meshed with the gear 4 are respectively provided with a first pointed portion 21 and a second pointed portion 31.
  • the third pointed portion 41 of the gear 4 is When the three end surfaces 413 are aligned with the second end surface 313 of the second pointed portion 31, the second guide teeth 3 swing a certain angle around the second shaft 8 in the direction close to the second side surface 12, so that the first pointed portion 21 One end surface 213 starts to approach the fifth inclined surface 411 or the sixth inclined surface 412 of the other third pointed portion 41 on the gear 4, and after the contact, the gear 4 is turned and rotated through a certain angle, so that the gear 4 rotates to the rack 1 In the correct meshing position, the gear 4 can be introduced into the rack 1 correctly.
  • the second guide tooth 3 can move in translation relative to the rack 1 or swing relative to the rack 1, as long as the position of the second guide tooth 3 relative to the rack 1 can be changed, so that It is sufficient that the first guide tooth 2 meshes with the gear 4.
  • the elastic member 6 includes a spring.
  • Some embodiments provide a logistics system, which includes a logistics vehicle, a frame, and the aforementioned meshing and adapting mechanism.
  • the gear 4 in the meshing adapting mechanism is provided on the logistics vehicle, and the rack 1 in the meshing adapting mechanism is provided on the shelf.
  • the logistics vehicle is configured to move along the rack 1 through the meshing of the gear 4 with the rack 1.
  • the logistics system includes the meshing and adapting mechanism in the above embodiments.
  • the gear 4 can be smoothly axially guided into the rack 1 to achieve correct meshing.
  • the logistics system includes a third shaft 9 provided in the logistics vehicle and a power mechanism.
  • the third shaft 9 connects the power mechanism and the gear 4, and the power mechanism is configured to drive the gear 4 from the first side 11 of the rack 1 Move to the direction of the second side surface 12.
  • each logistics vehicle is equipped with two or more sets of engaging and adapting mechanisms, and each engaging and adapting mechanism is symmetrically distributed on the left and right sides of the logistics vehicle.
  • the rack 1 is fixedly installed on a climbing track (not shown in the figure) provided on the frame.

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  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
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Abstract

一种啮合适配机构及物流系统，其中，啮合适配机构包括：齿条（1），其包括相对设置的第一侧面（11）和第二侧面（12）；第一导向齿（2）设于第一侧面（11）；第二导向齿（3）可动地设于第一侧面（11），第二导向齿（3）相对于第一导向齿（2）远离第二侧面（12）；齿轮（4），其被配置为从第一侧面（11）与齿条（1）初步啮合，且向第二侧面（12）的方向移动，与齿条（1）进一步啮合；其中，第一导向齿（2）和第二导向齿（3）中的至少之一被配置为在齿轮（4）从第一侧面（11）向第二侧面（12）移动的过程中，与齿轮（4）啮合。

Description

啮合适配机构及物流系统
本公开是以CN申请号为202010346293.4，申请日为2020年4月27日的申请为 基础，并主张其优先权，该CN申请的公开内容在此作为整体引入本申请中。
技术领域
本公开涉及机械传动领域，尤其涉及一种啮合适配机构及物流系统。
背景技术
在物流系统中，物流车需频繁地由水平运动切换到竖直爬升运动。物流车一般通过齿轮与齿条的啮合，沿齿条爬升。在齿轮导入齿条的过程中，存在齿轮顶在齿条侧面而无法轴向移动的现象，进而导致齿轮轴向导入齿条失败，引发系统故障，影响整个系统的运行效率。
发明内容
本公开的一些实施例提供了一种啮合适配机构，其包括：
齿条，包括相对设置的第一侧面和第二侧面；
第一导向齿，设于所述第一侧面；
第二导向齿，可动地设于所述第一侧面，所述第二导向齿相对于所述第一导向齿远离所述第二侧面；以及
齿轮，被配置为从所述第一侧面与所述齿条初步啮合，且向所述第二侧面的方向移动，与所述齿条进一步啮合；
其中，所述第一导向齿和所述第二导向齿中的至少之一被配置为在所述齿轮从所述第一侧面向所述第二侧面移动的过程中，与所述齿轮啮合。
在一些实施例中，所述第二导向齿被配置为在外力作用下向所述第二侧面的方向移动。
在一些实施例中，啮合适配机构包括安装件，所述安装件可动地设于所述第一侧面，所述第二导向齿设于所述安装件。
在一些实施例中，所述安装件与所述第一侧面之间设有弹性件。
在一些实施例中，啮合适配机构包括第一轴，所述第一轴连接所述安装件和所述 齿条，所述第一轴沿所述第一侧面与所述第二侧面的连线方向设置，所述安装件被配置为相对于所述齿条平动。
在一些实施例中，所述第一侧面设有第一凹部，所述第一凹部向所述第二侧面的方向凹入，所述安装件设于所述第一凹部，所述安装件包括与所述第一侧面平齐的外侧面。
在一些实施例中，所述第一导向齿设于所述第一凹部，所述安装件设有用于避让所述第一导向齿的避让部。
在一些实施例中，啮合适配机构包括第二轴，所述第二轴连接所述安装件和所述齿条，所述第二轴沿垂直于所述第一侧面与所述第二侧面的连线方向设置，所述安装件被配置为相对于所述齿条摆动。
在一些实施例中，所述第一侧面设有第二凹部，所述安装件包括第一安装部和第二安装部，所述第一安装部设于所述第二凹部，且所述第二导向齿设于所述第一安装部，所述第二轴连接所述第二安装部与所述齿条。
在一些实施例中，所述齿条的背面设有第三凹部，所述第三凹部与所述第二凹部连通，所述第二安装部设于所述第三凹部，所述安装件包括与所述齿条的所述背面和所述第一侧面平齐的外侧面。
在一些实施例中，所述第一导向齿和所述第二导向齿分别位于所述齿轮的中轴线的两侧。
在一些实施例中，所述第一导向齿距离所述第二侧面的最远部位与所述第二导向齿距离所述第二侧面的最远部位之间具有第一间距，所述第二导向齿被配置为在外力作用下向所述第二侧面的方向移动，移动的最大距离为第二间距，所述第二间距大于所述第一间距。
在一些实施例中，所述第一导向齿背离所述第二侧面的一侧被构造为第一尖状部，所述第二导向齿背离所述第二侧面的一侧被构造为第二尖状部，所述第一尖状部和所述第二尖状部均向背离所述第二侧面的方向延伸，所述齿轮与所述齿条初步啮合的部位被构造为第三尖状部，所述第一尖状部和所述第二尖状部均与所述第三尖状部相适配。
在一些实施例中，所述第一尖状部包括第一斜面、第二斜面和第一端面，所述第一斜面和所述第二斜面相靠近的一侧连接所述第一端面；
所述第二尖状部包括第三斜面、第四斜面和第二端面，所述第三斜面和所述第四 斜面相靠近的一侧连接所述第二端面。
在一些实施例中，所述齿条沿长度延伸方向设有两个以上第一齿，所述第一导向齿设于所述两个以上第一齿的其中一个第一齿的侧端面。
在一些实施例中，所述齿条沿长度延伸方向设有两个以上第一齿，所述第一导向齿的齿顶和所述第二导向齿的齿顶均与所述两个以上第一齿的齿顶平齐。
本公开的一些实施例提供了一种物流系统，其包括物流车、架体以及上述的啮合适配机构，所述啮合适配机构中的齿轮设于所述物流车，所述啮合适配机构中的齿条设于所述架体，所述物流车被配置为通过所述齿轮与所述齿条的啮合沿所述齿条移动。
在一些实施例中，物流系统包括设于物流车的第三轴和动力机构，所述第三轴连接所述动力机构和所述齿轮，所述动力机构被配置为驱动所述齿轮从所述齿条的所述第一侧面向所述第二侧面的方向移动。
基于上述技术方案，本公开至少具有以下有益效果：
在一些实施例中，同时设置第一导向齿和第二导向齿，齿轮与齿条初步啮合时，第二导向齿相对于第一导向齿靠近齿轮，且第二导向齿可相对于齿条移动，通过第一导向齿和第二导向齿的相互配合，用于缓解齿轮导入齿条的多种不利因素，利于齿轮在全角度的情况下成功导入齿条，以与齿条啮合。
附图说明
此处所说明的附图用来提供对本公开的进一步理解，构成本申请的一部分，本公开的示意性实施例及其说明用于解释本公开，并不构成对本公开的不当限定。在附图中：
图1为根据本公开一些实施例提供的啮合适配机构的示意图；
图2为根据本公开一些实施例提供的齿条和第一导向齿的示意图；
图3为根据本公开一些实施例提供的安装件和第二导向齿的示意图；
图4为根据本公开一些实施例提供的齿轮的示意图；
图5为根据本公开一些实施例提供的齿轮与齿条的第一侧面初步啮合的示意图；
图6为根据本公开另一些实施例提供的啮合适配机构的示意图；
图7为图6中的齿条和安装件的示意图。
具体实施方式
下面将结合本公开实施例中的附图，对实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本公开的一部分实施例，而不是全部的实施例。基于本公开的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
在本公开的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开保护范围的限制。
物流车上设置齿轮，架体上设置齿条，通过齿轮与齿条啮合，使物流车沿齿条移动，在物流车上的齿轮导入齿条的过程中，齿轮上的齿端面与齿条的上的齿端面很大概率会错开，在齿轮被轴向推入齿条的同时，齿轮上的齿与齿条上的齿啮合旋转一定角度，从而实现齿轮与齿条的成功啮合。但也存在齿轮上的齿端面与齿条上的齿端面刚好对正的情况，齿轮顶在齿条侧面而无法轴向移动，导致齿轮轴向导入齿条失败。
基于此，本公开一些实施例提供了一种啮合适配机构，用于缓解齿轮导入齿条失败的问题。
如图1所示，在一些实施例中，啮合适配机构包括齿条1、第一导向齿2、第二导向齿3和齿轮4。
齿条1包括相对设置的第一侧面11和第二侧面12。齿条1的正面沿齿条1的长度延伸方向设有两个以上第一齿13，与齿条1的正面相对的一面为齿条1的背面14。第一侧面11与第二侧面12之间的方向为两个以上第一齿13中的每个第一齿13的延伸方向。
第一导向齿2设于齿条1的第一侧面11。
第二导向齿3可动地设于齿条1的第一侧面11，第二导向齿3相对于第一导向齿2远离第二侧面12。
齿轮4的周向设有两个以上第二齿42，第二齿42用于与齿条1上的第一齿13啮合。齿轮4被配置为从第一侧面11与齿条1初步啮合，且向第二侧面12的方向移动，与齿条1进一步啮合。
其中，第一导向齿2和第二导向齿3中的至少之一被配置为在齿轮4从第一侧面 11向第二侧面12移动的过程中，与齿轮4啮合。
在一些实施例中，如图5所示，在齿轮4导入齿条1的过程中，齿轮4从齿条1的第一侧面1与齿条1初步啮合，其存在下述情况：
如果齿轮4上的其中一个第二齿42的端面位于第二导向齿3的端面和第一导向齿2的端面之间，由于第二导向齿3相对于第一导向齿2远离第二侧面12，因此，第二导向齿3先与齿轮4接触，齿轮4在第二导向齿3的作用下旋转至与齿条1正确啮合的位置，从而使齿轮4正确导入齿条1。
如果齿轮4上的其中一个第二齿42的端面与第二导向齿3的端面对齐，导致齿轮4顶住第二导向齿3而无法旋转，随着齿轮4受到的轴向力增加，第二导向齿3受力相对于第一侧面11移动，当第二导向齿3的端面比第一导向齿2的端面远离齿轮4时，第一导向齿2的端面开始靠近齿轮4上另一个第二齿42的端面，并在接触后将齿轮4拨动转过一定角度，使齿轮4转动至与齿条1正确啮合的位置，从而使齿轮4正确导入齿条1。
如果齿轮4上的其中一个第二齿42的端面与第一导向齿2的端面对齐，由于第二导向齿3相对于第一导向齿2先与齿轮4接触，并且由于几何关系的原因，第二导向齿3的端面与齿轮4上相对应的另一个第二齿42的端面并不对齐，所以第二导向齿3仍可将齿轮4拨动转过一定角度，使齿轮4转动至与齿条1正确啮合的位置，从而使齿轮4正确导入齿条1。
因此，本公开提供的一些实施例同时设置第一导向齿2和第二导向齿3，第一导向齿2和第二导向齿3相互配合，以缓解齿轮4导入齿条1的多种不利因素，利于齿轮4在全角度的情况下成功导入齿条1，以与齿条1啮合。
在一些实施例中，第一导向齿2和第二导向齿3分别位于齿轮4的中轴线的两侧。
可选地，第一导向齿2位于齿轮4的中轴线的上方，第二导向齿3位于齿轮4的中轴线的下方。或者，第一导向齿2位于齿轮4的中轴线的下方，第二导向齿3位于齿轮4的中轴线的上方。
在一些实施例中，第二导向齿3与第一导向齿2相邻接。
在一些实施例中，第二导向齿3被配置为在外力作用下向第二侧面12的方向移动。
在一些实施例中，第一导向齿2距离第二侧面12的最远部位与第二导向齿3距离第二侧面12的最远部位之间具有第一间距a，第二导向齿3被配置为在外力作用下向第二侧面12的方向移动，移动的最大距离为第二间距b，第二间距b大于第一间距 a。
在齿轮4的其中一个第二齿42的端面与第二导向齿3的端面对齐，导致齿轮4顶住第二导向齿3而无法旋转时，随着齿轮4受到的轴向力增加，第二导向齿3受力向第二侧面12的方向移动，由于第二间距b大于第一间距a，因此，当第二导向齿3向第二侧面12的方向移动，使第二导向齿3的端面比第一导向齿2的端面远离齿轮4时，第一导向齿2的端面开始靠近齿轮4上另一个第二齿42的端面，并在接触后将齿轮4拨动转过一定角度，使齿轮4转动至与齿条1正确啮合的位置，从而实现齿轮4正确导入齿条1。
在一些实施例中，如图2所示，第一导向齿2背离第二侧面12的一侧被构造为第一尖状部21。如图3所示，第二导向齿3背离第二侧面12的一侧被构造为第二尖状部31。第一尖状部21和第二尖状部31均向背离第二侧面12的方向延伸。如图4所示，齿轮4与齿条1初步啮合的部位被构造为第三尖状部41，第一尖状部21和第二尖状部31均与第三尖状部41相适配。
如图4所示，齿轮4周向设置的两个以上的第二齿42的每一个第二齿42的齿端面均设有第三尖状部41。
在齿轮4与齿条1导入啮合过程中，第一尖状部21和第二尖状部31的至少之一与第三尖状部41啮合导入，齿轮4可无动力被动旋转。齿轮4轴向靠近齿条1并导入齿条1的过程中，齿轮4被轴向推入齿条1，齿轮4在第一尖状部21和第二尖状部31的斜面作用下被动旋转一定角度，从而实现齿轮4与齿条1的正确啮合。
当齿轮4的第三尖状部41与第一尖状部21或第二尖状部31刚好对正，齿轮4顶在齿条1侧面而无法轴向移动时，通过第一导向齿2和第二导向齿3的配合作用，以克服齿轮4导入齿条1的不利因素，促进齿轮4在全角度的情况下成功导入齿条1。
在一些实施例中，如图2所示，第一尖状部21包括第一斜面211、第二斜面212和第一端面213，第一斜面211和第二斜面212相靠近的一端连接第一端面213。
第一斜面211和第二斜面212分别从第一齿13的两个齿面的端部开始延伸，第一斜面211和第二斜面212的延伸端相靠近且连接第一端面213。
在一些实施例中，如图3所示，第二尖状部31包括第三斜面311、第四斜面312和第二端面313，第三斜面311和第四斜面312相靠近的一端连接第二端面313。
在一些实施例中，如图4所示，第三尖状部41包括第五斜面411、第六斜面412和第三端面413，第五斜面411和第六斜面412相靠近的一端连接第三端面413。
第五斜面411和第六斜面412分别从第二齿42的两个齿面的端部开始延伸，第 五斜面411和第六斜面412的延伸端相靠近且连接第三端面413。
图5示出一些实施例中齿轮4从齿条1的第一侧面11与齿条1初步啮合时，齿轮4与第二导向齿3和第一导向齿2之间的相对位置关系。
第一导向齿2和第二导向齿3相互配合促进齿轮4正确导入齿条1的原理为：齿轮4的某个第二齿42上的第三尖状部41不同时与第二导向齿3和第一导向齿2接触，利用前后、上下的空间关系和齿轮齿条的几何特征使对应齿的角度合适时相互作用，而不受其余齿的影响，当对应的齿刚好对正，无法旋转齿轮4时，临近的齿能后续介入，打破刚好对正的平衡状态而实现导入的继续进行。
在一些实施例中，第一导向齿2设于其中一个第一齿13的齿端面。
在一些实施例中，第一导向齿2的齿顶和第二导向齿3的齿顶均与第一齿13的齿顶平齐。
在一些实施例中，如图3所示，啮合适配机构包括安装件5，安装件5可动地设于第一侧面11，第二导向齿3设于安装件5。
在一些实施例中，如图1所示，安装件5与第一侧面11之间设有弹性件6。
安装件5在弹性件6的作用下，与齿条1之间保持第二间距b，也就是使第二导向齿3在弹性件6的作用下，与齿条1之间保持第二间距b。
在一些实施例中，齿轮4从齿条1的第一侧面11沿轴向向第二侧面12运动，并导入齿条1的过程中存在下述情况：
如果齿轮4的其中一个第三尖状部41的第三端面413位于第二尖状部31的第二端面313和第一尖状部21的第一端面213之间时，则由于第二导向齿3先于第一导向齿2与齿轮4接触，齿轮4在第二导向齿3的作用下进一步被动旋转至与齿条1正确啮合的位置，从而实现齿轮4正确导入齿条1。
如果齿轮4的其中一个第三尖状部41的第三端面413与第二尖状部31的第二端面313对齐，导致齿轮4顶住第二导向齿3而无法旋转时，随着齿轮4受到的轴向力的增加，第二导向齿3受力会压缩弹性件6并向第二侧面12的方向移动，当第二尖状部31的第二端面313比第一尖状部21的第一端面213远离齿轮4时，第一尖状部21的第一端面213开始靠近齿轮4上另一个第三尖状部41的第五斜面411或第六斜面412，并在接触后将齿轮4拨动转过一定角度，使齿轮4转动至与齿条1正确啮合的位置，从而实现齿轮4正确导入齿条1。
如果齿轮4的其中一个第三尖状部41的第三端面413与第一尖状部21的第一端面 213对齐时，由于第二导向齿3先于第一导向齿2与齿轮4接触，并且因为几何关系的原因，第二尖状部31的第二端面313与齿轮4上另一个第三尖状部41的第三端面413并不对齐，所以第二导向齿3仍可将齿轮4拨动一定角度，使齿轮4转动至与齿条1正确啮合的位置，从而实现齿轮4正确导入齿条1。
在一些实施例中，如图1所示，啮合适配机构包括第一轴7，第一轴7连接安装件5和齿条1，第一轴7沿第一侧面11与第二侧面12的连线方向设置，安装件5被配置为相对于齿条1平动。
可选地，安装件5和第一轴7同时相对于齿条1移动。或者，第一轴7不动，安装件5沿第一轴7移动，以相对于齿条1移动。
在一些实施例中，第一侧面11设有第一凹部111，第一凹部111向第二侧面12的方向凹入，安装件5设于第一凹部111，安装件5包括与第一侧面11平齐的外侧面。
在一些实施例中，第一导向齿2设于第一凹部111，安装件5设有用于避让第一导向齿2的避让部53。
在一些实施例中，安装件5通过两个第一轴7连接于齿条1。
如图2所示，第一凹部111设有两个第一孔114，两个第一孔114分别用于穿设两个第一轴7，两个第一轴7连接安装件5和齿条1。第一凹部111还设有第二孔115，第二孔115用于安装弹性件6。
如图3所示，安装件5设置为对称结构，其包括两个第三孔54和两个避让部53。两个第三孔54分别对应齿条1上的两个第一孔114，用于穿设两个第一轴7。两个第三孔54分别设于安装件5的两端，且相对于安装件5的中部对称。第二导向齿3设于两个第三孔54之间，第二导向齿3与其中一个第三孔54之间设有一个避让部53，第二导向齿3与另一个第三孔54之间设有另一个避让部53，两个避让部53相对于安装件5的中部对称。安装件5设置为对称结构，不仅可以设于物流车一侧的齿条1上，也可以设于物流车另一侧的齿条1上。
在一些实施例中，安装件5与两个第一轴7固定连接，同时两个第一轴7分别对应穿入齿条1上的两个第一孔114中，所以第二导向齿3和两个第一轴7可一同相对齿条1在第一侧面11和第二侧面12的连线方向上往复运动。
在一些实施例中，弹性件6安装在第一凹部111与安装件5之间，以使第二导向齿3与第一凹部111之间具有第二间距b。
在一些实施例中，如图6所示，啮合适配机构包括第二轴8，第二轴8连接安装 件5和齿条1，第二轴8沿垂直于第一侧面11与第二侧面12的连线方向设置，安装件5被配置为相对于齿条1摆动。
可选地，安装件5与第二轴8固定，安装件5和第二轴8均相对于齿条1摆动。或者，第二轴8与齿条1固定，安装件5绕第二轴8相对于齿条1摆动。
在一些实施例中，如图7所示，第一侧面11设有第二凹部112，安装件5包括第一安装部51和第二安装部52，第一安装部51设于第二凹部112，且第二导向齿3设于第一安装部51，第二轴8连接第二安装部52与齿条1。弹性件6设于第一安装部51与第二凹部112之间。
在一些实施例中，齿条1的背面14设有第三凹部113，第三凹部113与第二凹部112连通，第二安装部52设于第三凹部113，安装件5包括与齿条1的背面14和第一侧面11平齐的外侧面。
在一些实施例中，如图6和图7所示，安装件5的第二安装部52通过第二轴8连接齿条1，第二导向齿3设于安装件5的第一安装部51，弹性件6设于第二凹部112与第一安装部51之间，以使第二导向齿3与第二凹部112之间具有第二间距b，齿条1上加工有第一导向齿2，其与第二导向齿3的位置相邻，且在高度上分别位于齿轮4轴线的上、下两侧。
第一导向齿2和第二导向齿3与齿轮4初步啮合的一侧分别设有第一尖状部21和第二尖状部31，当齿轮4的其中一个第三尖状部41的第三端面413与第二尖状部31的第二端面313对齐时，第二导向齿3绕第二轴8向靠近第二侧面12的方向摆动一定角度，从而使第一尖状部21的第一端面213开始靠近齿轮4上另一个第三尖状部41的第五斜面411或第六斜面412，并在接触后将齿轮4拨动转过一定角度，使齿轮4转动至与齿条1正确啮合的位置，从而实现齿轮4正确导入齿条1。
通过上述各个实施例的描述，第二导向齿3可以相对于齿条1平移运动，也可以相对于齿条1摆动，只要能够使第二导向齿3相对于齿条1的位置发生变化，使第一导向齿2与齿轮4啮合即可。
在一些实施例中，弹性件6包括弹簧。
一些实施例提供了一种物流系统，其包括物流车、架体以及上述的啮合适配机构，啮合适配机构中的齿轮4设于物流车，啮合适配机构中的齿条1设于架体，物流车被配置为通过齿轮4与齿条1的啮合，以沿齿条1移动。
在一些实施例中，物流系统包括上述实施例中的啮合适配机构，物流车在从水平运 动向垂直运动切换时，齿轮4能够顺利轴向导入齿条1，实现正确啮合。
在一些实施例中，物流系统包括设于物流车的第三轴9和动力机构，第三轴9连接动力机构和齿轮4，动力机构被配置为驱动齿轮4从齿条1的第一侧面11向第二侧面12的方向移动。
在一些实施例中，每辆物流车配备两套或以上数量的啮合适配机构，各啮合适配机构对称分布在物流车的左右两侧。齿条1固定安装在架体上设置的爬升轨道上(图中未示出)。
在本公开的描述中，需要理解的是，使用“第一”、“第二”、“第三”等词语来限定零部件，仅仅是为了便于对上述零部件进行区别，如没有另行声明，上述词语并没有特殊含义，因此不能理解为对本公开保护范围的限制。
另外，在没有明确否定的情况下，其中一个实施例的技术特征可以有益地与其他一个或多个实施例相互结合。
最后应当说明的是:以上实施例仅用以说明本公开的技术方案而非对其限制；尽管参照较佳实施例对本公开进行了详细的说明，所属领域的普通技术人员应当理解：依然可以对本公开的具体实施方式进行修改或者对部分技术特征进行等同替换；而不脱离本公开技术方案的精神，其均应涵盖在本公开请求保护的技术方案范围当中。

Claims (18)

  1. 一种啮合适配机构，包括：
    齿条(1)，包括相对设置的第一侧面(11)和第二侧面(12)；
    第一导向齿(2)，设于所述第一侧面(11)；
    第二导向齿(3)，可动地设于所述第一侧面(11)，所述第二导向齿(3)相对于所述第一导向齿(2)远离所述第二侧面(12)；以及
    齿轮(4)，被配置为从所述第一侧面(11)与所述齿条(1)初步啮合，且向所述第二侧面(12)的方向移动，与所述齿条(1)进一步啮合；
    其中，所述第一导向齿(2)和所述第二导向齿(3)中的至少之一被配置为在所述齿轮(4)从所述第一侧面(11)向所述第二侧面(12)移动的过程中，与所述齿轮(4)啮合。
  2. 如权利要求1所述的啮合适配机构，其中，所述第二导向齿(3)被配置为在外力作用下向所述第二侧面(12)的方向移动。
  3. 如权利要求1或2所述的啮合适配机构，还包括安装件(5)，所述安装件(5)可动地设于所述第一侧面(11)，所述第二导向齿(3)设于所述安装件(5)。
  4. 如权利要求3所述的啮合适配机构，其中，所述安装件(5)与所述第一侧面(11)之间设有弹性件(6)。
  5. 如权利要求3或4所述的啮合适配机构，还包括第一轴(7)，所述第一轴(7)连接所述安装件(5)和所述齿条(1)，所述第一轴(7)沿所述第一侧面(11)与所述第二侧面(12)的连线方向设置，所述安装件(5)被配置为相对于所述齿条(1)平动。
  6. 如权利要求3至5任一项所述的啮合适配机构，其中，所述第一侧面(11)设有第一凹部(111)，所述第一凹部(111)向所述第二侧面(12)的方向凹入，所述安装件(5)设于所述第一凹部(111)，所述安装件(5)包括与所述第一侧面(11)平齐的外侧面。
  7. 如权利要求6所述的啮合适配机构，其中，所述第一导向齿(2)设于所述第一凹部(111)，所述安装件(5)设有用于避让所述第一导向齿(2)的避让部(53)。
  8. 如权利要求3或4所述的啮合适配机构，还包括第二轴(8)，所述第二轴(8)连接所述安装件(5)和所述齿条(1)，所述第二轴(8)沿垂直于所述第一侧面(11) 与所述第二侧面(12)的连线方向设置，所述安装件(5)被配置为相对于所述齿条(1)摆动。
  9. 如权利要求8所述的啮合适配机构，其中，所述第一侧面(11)设有第二凹部(112)，所述安装件(5)包括第一安装部(51)和第二安装部(52)，所述第一安装部(51)设于所述第二凹部(112)，且所述第二导向齿(3)设于所述第一安装部(51)，所述第二轴(8)连接所述第二安装部(52)与所述齿条(1)。
  10. 如权利要求9所述的啮合适配机构，其中，所述齿条(1)的背面(14)设有第三凹部(113)，所述第三凹部(113)与所述第二凹部(112)连通，所述第二安装部(52)设于所述第三凹部(113)，所述安装件(5)包括与所述齿条(1)的所述背面(14)和所述第一侧面(11)平齐的外侧面。
  11. 如权利要求1至10任一项所述的啮合适配机构，其中，所述第一导向齿(2)和所述第二导向齿(3)分别位于所述齿轮(4)的中轴线的两侧。
  12. 如权利要求1至11任一项所述的啮合适配机构，其中，所述第一导向齿(2)距离所述第二侧面(12)的最远部位与所述第二导向齿(3)距离所述第二侧面(12)的最远部位之间具有第一间距(a)，所述第二导向齿(3)被配置为在外力作用下向所述第二侧面(12)的方向移动，移动的最大距离为第二间距(b)，所述第二间距(b)大于所述第一间距(a)。
  13. 如权利要求1至12任一项所述的啮合适配机构，其中，所述第一导向齿(2)背离所述第二侧面(12)的一侧被构造为第一尖状部(21)，所述第二导向齿(3)背离所述第二侧面(12)的一侧被构造为第二尖状部(31)，所述第一尖状部(21)和所述第二尖状部(31)均向背离所述第二侧面(12)的方向延伸，所述齿轮(4)与所述齿条(1)初步啮合的部位被构造为第三尖状部(41)，所述第一尖状部(21)和所述第二尖状部(31)均与所述第三尖状部(41)相适配。
  14. 如权利要求13所述的啮合适配机构，其中，所述第一尖状部(21)包括第一斜面(211)、第二斜面(212)和第一端面(213)，所述第一斜面(211)和所述第二斜面(212)相靠近的一侧连接所述第一端面(213)；
    所述第二尖状部(31)包括第三斜面(311)、第四斜面(312)和第二端面(313)，所述第三斜面(311)和所述第四斜面(312)相靠近的一侧连接所述第二端面(313)。
  15. 如权利要求1至14任一项所述的啮合适配机构，其中，所述齿条(1)沿长度延伸方向设有两个以上第一齿(13)，所述第一导向齿(2)设于所述两个以上第 一齿(13)的其中一个第一齿(13)的侧端面。
  16. 如权利要求1至15任一项所述的啮合适配机构，其中，所述齿条(1)沿长度延伸方向设有两个以上第一齿(13)，所述第一导向齿(2)的齿顶和所述第二导向齿(3)的齿顶均与所述两个以上第一齿(13)的齿顶平齐。
  17. 一种物流系统，包括物流车、架体以及如权利要求1至16任一项所述的啮合适配机构，所述啮合适配机构中的齿轮(4)设于所述物流车，所述啮合适配机构中的齿条(1)设于所述架体，所述物流车被配置为通过所述齿轮(4)与所述齿条(1)的啮合沿所述齿条(1)移动。
  18. 如权利要求17所述的物流系统，还包括设于所述物流车的第三轴(9)和动力机构，所述第三轴(9)连接所述动力机构和所述齿轮(4)，所述动力机构被配置为驱动所述齿轮(4)从所述齿条(1)的所述第一侧面(11)向所述第二侧面(12)的方向移动。
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CN114834836B (zh) 2023-11-03
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