CN210456311U - Wheel lifting structure suitable for four-way shuttle - Google Patents
Wheel lifting structure suitable for four-way shuttle Download PDFInfo
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- CN210456311U CN210456311U CN201921371956.7U CN201921371956U CN210456311U CN 210456311 U CN210456311 U CN 210456311U CN 201921371956 U CN201921371956 U CN 201921371956U CN 210456311 U CN210456311 U CN 210456311U
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Abstract
The utility model discloses a wheel elevation structure suitable for quadriversal shuttle, include: the lifting mechanism comprises a bottom plate, two driving fixed wheels, two driven fixed wheels, two driving lifting wheels, two driven lifting wheels, a first driving mechanism for driving the two driving fixed wheels, a second driving mechanism for driving the two driving lifting wheels and a lifting mechanism for driving the two driving lifting wheels and the two driven lifting wheels to lift; the lifting mechanism comprises: lifting motor, lift action wheel, first lift from driving wheel, first lift hold-in range, first lift axle, second lift from driving wheel, third lift from driving wheel, second lift hold-in range, second lift axle, four cams, four cam follower and four guider. The wheel lifting structure suitable for the four-way shuttle vehicle is simple in structure, low in cost and high in safety factor.
Description
Technical Field
The utility model relates to a wheel elevation structure suitable for quadriversal shuttle.
Background
The conventional lifting mechanism of the four-way shuttle vehicle generally adopts a gear and rack lifting structure or a connecting rod lifting mechanism to synchronously lift a driving lifting wheel and a driven lifting wheel. The gear rack lifting structure has a large transmission gap, is not stable enough and has a risk of overshoot; the lifting structure of the connecting rod lifting mechanism is complex and high in cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wheel elevation structure suitable for quadriversal shuttle adopts following technical scheme:
a wheel lift structure for a four-way shuttle, comprising: the lifting mechanism comprises a bottom plate, two driving fixed wheels, two driven fixed wheels, two driving lifting wheels, two driven lifting wheels, a first driving mechanism for driving the two driving fixed wheels, a second driving mechanism for driving the two driving lifting wheels and a lifting mechanism for driving the two driving lifting wheels and the two driven lifting wheels to lift; the first drive mechanism includes: the device comprises a first driving motor, a first driving wheel, a first driven wheel, a first synchronous belt and a first transmission shaft; the first drive motor is mounted to the base plate; the first driving wheel is fixed to a motor shaft of the first driving motor; the first transmission shaft is rotatably connected to the bottom plate; the first driven wheel is fixed to the first transmission shaft; the first synchronous belt is sleeved on the peripheries of the first driving wheel and the first driven wheel; the two driving fixed wheels are connected to two ends of the first transmission shaft; the second drive mechanism includes: the second driving motor, the second driving wheel, the second driven wheel, the second synchronous belt and the second transmission shaft are arranged on the transmission shaft; the second driving motor is mounted to the base plate; the second driving wheel is fixed to a motor shaft of the second driving motor; two ends of the second transmission shaft are respectively and rotatably connected to the two driving lifting wheels; the second driven wheel is fixed to the second transmission shaft; the second synchronous belt is sleeved on the peripheries of the second driving wheel and the second driven wheel; the two driving lifting wheels are respectively connected to two ends of the second transmission shaft; the lifting mechanism comprises: the lifting device comprises a lifting motor, a lifting driving wheel, a first lifting driven wheel, a first lifting synchronous belt, a first lifting shaft, a second lifting driven wheel, a third lifting driven wheel, a second lifting synchronous belt, a second lifting shaft, four cams for driving two driving lifting wheels and two driven lifting wheels, four cam followers for matching the cams and four guide devices for guiding the driving lifting wheels and the driven lifting wheels; the lifting motor is mounted to the bottom plate; the lifting driving wheel is fixed to a motor shaft of the lifting motor; the first lifting shaft is rotatably connected to the bottom plate; the first lifting driven wheel is fixed to the first lifting shaft; the first lifting synchronous belt is sleeved on the peripheries of the driving lifting wheel and the first lifting driven wheel; the two driving lifting wheels and the two driven lifting wheels are respectively connected to the four guide devices in a sliding manner; two ends of the second transmission shaft are respectively connected to two of the four guide devices in a rotating and sliding manner; the second lifting shaft is rotatably connected to the bottom plate; the second lifting driven wheel is fixed to one end of the first lifting shaft; the third lifting driven wheel is fixed to one end of the second lifting shaft; the second lifting synchronous belt is sleeved on the peripheries of the second lifting driven wheel and the third lifting driven wheel; two of the four cams are fixed to both ends of the first elevation shaft, respectively; the other two of the four cams are fixed to both ends of the second lifting shaft, respectively; the two driven lifting wheels are respectively connected to the other two of the four guide devices in a sliding and rotating manner; the four cam followers are respectively connected to the two driving lifting wheels and the two driven lifting wheels and engaged with the four cams.
Further, the guide device includes: two guide posts and a mounting rack for guiding the driving lifting wheel or the lifting driven wheel; two guide posts are fixed to the bottom plate; the mounting rack is connected to the guide column in a sliding mode; the cam follower is mounted to the mounting bracket; the two driven lifting wheels and the two ends of the second transmission shaft are respectively connected with the mounting frame in a rotating mode.
Furthermore, guide holes are formed at two ends of the mounting rack; two ends of the mounting rack are respectively sleeved on the periphery of the guide pillar through the guide holes; a linear bearing is sleeved on the periphery of the guide post; the linear bearing is positioned between the guide pillar and the hole wall of the guide hole; both ends of the mounting bracket are fixed to the linear bearings.
Furthermore, the periphery of the guide post is also sleeved with a spring which is used for applying acting force to the linear bearing to drive the linear bearing to move upwards so as to drive the cam follower to keep meshed with the cam; one end of the spring contacts one end of the linear bearing and the other end contacts the bottom plate.
Furthermore, the two guide columns are parallel to each other and are symmetrically arranged about the rotation axis of the lifting driven wheel or the driving lifting wheel.
Further, the rotation axes of the two fixed driven wheels coincide.
Further, the rotation axes of the two fixed driven wheels are parallel to the rotation axis of the first transmission shaft.
Furthermore, the rotation axes of the two driven lifting wheels are overlapped and oppositely arranged.
Further, the rotation axis of the driven lifting wheel is parallel to the rotation axis of the second transmission shaft.
The utility model discloses an useful part lies in the wheel elevation structure's that is applicable to the quadriversal shuttle simple structure that provides, and the transmission clearance is less, and factor of safety is high and the cost is lower.
Drawings
Fig. 1 is a schematic view of a wheel lifting structure for a four-way shuttle according to the present invention;
fig. 2 is a schematic view of a partial structure of a wheel lifting structure suitable for the four-way shuttle in fig. 1.
The wheel lifting structure 10 suitable for the four-way shuttle vehicle comprises a bottom plate 11, a driving fixed wheel 12, a driven fixed wheel 13, a driving lifting wheel 14, a driven lifting wheel 15, a first driving motor 16, a first driving wheel 17, a first driven wheel 18, a first synchronous belt 19, a first transmission shaft 20, a second driving motor 21, a second driving wheel 22, a second driven wheel (not shown), a second synchronous belt 24, a second transmission shaft 25, a lifting motor 26, a lifting driving wheel 27, a first lifting driven wheel 28, a first lifting synchronous belt 29, a first lifting shaft 30, a second lifting driven wheel 31, a third lifting driven wheel 32, a second lifting synchronous belt 33, a second lifting shaft 34, a cam 35, a cam follower (not shown), a guide device 37, a guide pillar 371, a mounting rack 372, a guide hole 373, a linear bearing 374 and a spring 375.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 2, a wheel lifting structure 10 for a four-way shuttle includes: the device comprises a bottom plate 11, two driving fixed wheels 12, two driven fixed wheels 13, two driving lifting wheels 14, two driven lifting wheels 15, a first driving mechanism, a second driving mechanism and a lifting mechanism. The first drive mechanism is used to drive the two driving fixed wheels 12. The second drive mechanism is used to drive the two drive lift wheels 14. The lifting mechanism is used for driving the two driving lifting wheels 14 and the two driven lifting wheels 15 to lift.
The lifting mechanism adopted by the wheel lifting structure 10 suitable for the four-way shuttle vehicle is simple in structure, small in transmission clearance, high in safety factor and low in cost. The structure is specifically as follows:
in this aspect, the first drive mechanism includes: a first driving motor 16, a first driving pulley 17, a first driven pulley 18, a first timing belt 19 and a first transmission shaft 20.
As a specific structure, the first drive motor 16 is mounted to the base plate 11. The first capstan 17 is fixed to the motor shaft of the first drive motor 16. The first transmission shaft 20 is rotatably connected to the base plate 11. The first driven wheel 18 is fixed to a first drive shaft 20. The first synchronous belt 19 is sleeved on the outer peripheries of the first driving wheel 17 and the first driven wheel 18. Two driving fixed wheels 12 are connected to both ends of the first transmission shaft 20.
Specifically, when it is desired to drive the four-way shuttle by means of two active fixed wheels 12, the first drive motor 16 is started. The first driving motor 16 drives the first driving pulley 17 to rotate. The first driving pulley 17 drives the first driven pulley 18 to rotate through the first timing belt 19. The first driven pulley 18 rotates to drive the first transmission shaft 20 to rotate, and thus the two driving fixed pulleys 12 to rotate. Since the two driven fixed wheels 13 are rotationally connected to the bottom plate 11, the two driven fixed wheels 12 rotate to drive the four-way shuttle.
In this aspect, the second drive mechanism includes: a second driving motor 21, a second driving pulley 22, a second driven pulley, a second timing belt 24 and a second transmission shaft 25.
As a specific structure, the second drive motor 21 is mounted to the bottom plate 11. The second capstan 22 is fixed to the motor shaft of the second drive motor 21. Two ends of the second transmission shaft 25 are respectively rotatably connected to the two driving lifting wheels 14. The second driven wheel is fixed to the second transmission shaft 25. The second synchronous belt 24 is sleeved on the second driving wheel 22 and the second driven wheel. The two driving elevating wheels 14 are respectively connected to both ends of the second transmission shaft 25.
In this scheme, elevating system includes: the lifting device comprises a lifting motor 26, a lifting driving wheel 27, a first lifting driven wheel 28, a first lifting synchronous belt 29, a first lifting shaft 30, a second lifting driven wheel 31, a third lifting driven wheel 32, a second lifting synchronous belt 33, a second lifting shaft 34, four cams 35, four cam followers and four guide devices 37. The cam 35 is used for driving the two driving lifting wheels 14 and the two driven lifting wheels 15 to lift. The cam follower is used for matching with the cam 35 to drive the two driving lifting wheels 14 and the two driven lifting wheels 15 to lift. The guide device 37 is used for guiding the driving lifting wheel 14 and the driven lifting wheel 15.
As a specific structure, the lift motor 26 is mounted to the base plate 11. The elevating drive pulley 27 is fixed to a motor shaft of the elevating motor 26. The first elevation shaft 30 is rotatably connected to the base plate 11. First lift follower 28 is secured to first lift shaft 30. The first lifting synchronous belt 29 is sleeved around the driving lifting wheel 14 and the first lifting driven wheel 28. The two driving elevating wheels 14 and the two driven elevating wheels 15 are slidably connected to four guide devices 37, respectively. The second transmission shaft 25 rotates at both ends thereof and is connected to two of the four guides 37. The second elevation shaft 34 is rotatably connected to the base plate 11. A second elevating driven pulley 31 is fixed to one end of the first elevating shaft 30. A third lift follower 32 is fixed to one end of a second lift shaft 34. The second lifting timing belt 33 is fitted around the second lifting driven pulley 31 and the third lifting driven pulley 32. Two of the four cams 35 are fixed to both ends of the first elevating shaft 30, respectively. The other two of the four cams 35 are fixed to both ends of the second elevating shaft 34, respectively. The two driven lifting wheels 15 are respectively slidingly and rotatably connected to the other two of the four guides 37. Four cam followers are connected to the two driving elevating wheels 14 and the two driven elevating wheels 15, respectively, and engage with the four cams 35.
Specifically, when the two driving elevating wheels 14 and the two driven elevating wheels 15 need to be elevated to adjust the positions of the two driving elevating wheels 14 and the two driven elevating wheels 15, the elevating motor 26 is started. The lifting motor 26 drives the first lifting driven pulley 28 to rotate through the lifting driving pulley 27 and the first lifting synchronous belt 29. The first lifting driven wheel 28 rotates to drive the first lifting shaft 30 to rotate, and further drives the cams 35 fixed to both ends of the first lifting shaft 30 to rotate. The two cams 35, when rotated, move the two driven lifting wheels 15 via the cam followers. The guide means 37 guides the two driven elevating wheels 15 to move in the vertical direction, thereby performing the elevation.
Meanwhile, the first lifting shaft 30 rotates to drive the second lifting driven wheel 31 to rotate. When the second lifting driven wheel 31 rotates, the third lifting driven wheel 32 is driven to rotate by the second lifting timing belt 33. When the third lifting driven wheel 32 rotates, the second lifting shaft 34 is driven to rotate, and the cams 35 fixed to both ends of the second lifting shaft 34 are driven to rotate. The two cams 35 drive the two driving lifting wheels 14 to move through the cam followers when rotating. The guide device 37 guides the two driving lifting wheels 14 to move in the vertical direction, so that lifting is realized.
Further, when it is desired to drive the four-way shuttle by means of the two driving elevating wheels 14, the second driving motor 21 is started. The second driving motor 21 drives the second driving wheel 22 to rotate. The second driving pulley 22 drives the second driven pulley to rotate through a second synchronous belt 24. The second driven wheel rotates to drive the second transmission shaft 25 to rotate, and further drives the two driving lifting wheels 14 to rotate. Since the two ends of the second transmission shaft 25 are respectively and slidably connected to two of the four guiding devices 37, and the two driven lifting wheels 15 are respectively and slidably connected to the other two of the four guiding devices 37, the driven lifting wheels 14 rotate, so that the four-way shuttle vehicle is driven.
As a specific embodiment, the guide device 37 includes: two guide posts 371 for guiding the driving elevating wheel 14 or the elevating driven wheel, and a mounting frame 372. Two guide posts 371 are fixed to the base plate 11. The mounting bracket 372 is slidably connected to the guide post 371. The cam follower is connected to the mounting frame 372 to drive the mounting frame 372 to move along the extending direction of the guide post 371 under the driving of the cam 35. Further, the two driven elevating wheels 15 and both ends of the second transmission shaft 25 are rotatably connected to the mounting frame 372, respectively, and the two driving elevating wheels 14 are rotatably connected to both ends of the second transmission shaft 25. The mounting frame 372 drives the two driven lifting wheels 15 and the second transmission shaft 25 to move along the extending direction of the guide post 371 when moving along the extending direction of the guide post 371, thereby realizing the lifting of the two driving lifting wheels 14 and the two driven lifting wheels 15.
As a specific embodiment, the mounting frame 372 has guide holes 373 formed at both ends thereof. The two ends of the mounting frame 372 are respectively sleeved on the outer periphery of the guide post 371 through the guide hole 373 so as to be slidably connected to the two guide posts 371. The outer periphery of the guide post 371 is also sleeved with a linear bearing 374. The linear bearing 374 is located between the guide post 371 and the wall of the guide bore 373. Both ends of the mounting frame 372 are fixed to the linear bearings 374. The linear bearing 374 can reduce friction between the guide post 371 and the wall of the guide hole 373.
In a specific embodiment, the outer circumference of the guide post 371 is further sleeved with a spring 375. The spring 375 acts to apply a force to the linear bearing 374 to urge the linear bearing 374 upward to bring the cam follower into engagement with the cam 35. Specifically, one end of the spring 375 contacts one end of the linear bearing 374 and the other end contacts the bottom plate 11.
As a specific embodiment, two guide posts 371 are parallel to each other and symmetrically disposed about the rotation axis of the driven or driving elevating wheel 14.
As a specific embodiment, the axes of rotation of the two fixed driven wheels coincide.
As a specific embodiment, the rotation axes of the two fixed driven wheels are parallel to the rotation axis of the first transmission shaft 20.
As a specific embodiment, the rotation axes of the two driven lifting wheels 15 are coincident and are oppositely arranged.
As a specific embodiment, the rotation axis of the driven elevating wheel 15 is parallel to the rotation axis of the second transmission shaft 25.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (9)
1. A wheel elevation structure suitable for a four-way shuttle, comprising: the lifting mechanism comprises a bottom plate, two driving fixed wheels, two driven fixed wheels, two driving lifting wheels, two driven lifting wheels, a first driving mechanism for driving the two driving fixed wheels, a second driving mechanism for driving the two driving lifting wheels and a lifting mechanism for driving the two driving lifting wheels and the two driven lifting wheels to lift; the first drive mechanism includes: the device comprises a first driving motor, a first driving wheel, a first driven wheel, a first synchronous belt and a first transmission shaft; the first drive motor is mounted to the base plate; the first driving wheel is fixed to a motor shaft of the first driving motor; the first transmission shaft is rotationally connected to the bottom plate; the first driven wheel is fixed to the first transmission shaft; the first synchronous belt is sleeved on the peripheries of the first driving wheel and the first driven wheel; the two driving fixed wheels are connected to two ends of the first transmission shaft; the second drive mechanism includes: the second driving motor, the second driving wheel, the second driven wheel, the second synchronous belt and the second transmission shaft are arranged on the transmission shaft; the second drive motor is mounted to the base plate; the second driving wheel is fixed to a motor shaft of the second driving motor; two ends of the second transmission shaft are respectively and rotatably connected to the two driving lifting wheels; the second driven wheel is fixed to the second transmission shaft; the second synchronous belt is sleeved on the peripheries of the second driving wheel and the second driven wheel; the two driving lifting wheels are respectively connected to two ends of the second transmission shaft; the lifting mechanism comprises: the lifting device comprises a lifting motor, a lifting driving wheel, a first lifting driven wheel, a first lifting synchronous belt, a first lifting shaft, a second lifting driven wheel, a third lifting driven wheel, a second lifting synchronous belt, a second lifting shaft, four cams for driving two driving lifting wheels and two driven lifting wheels, four cam followers for matching the cams and four guide devices for guiding the driving lifting wheels and the driven lifting wheels; the lifting motor is mounted to the base plate; the lifting driving wheel is fixed to a motor shaft of the lifting motor; the first lifting shaft is rotatably connected to the bottom plate; the first lifting driven wheel is fixed to the first lifting shaft; the first lifting synchronous belt is sleeved on the peripheries of the driving lifting wheel and the first lifting driven wheel; the two driving lifting wheels and the two driven lifting wheels are respectively connected to the four guide devices in a sliding manner; two ends of the second transmission shaft are respectively connected to two of the four guide devices in a rotating and sliding manner; the second lifting shaft is rotatably connected to the bottom plate; the second lifting driven wheel is fixed to one end of the first lifting shaft; the third lifting driven wheel is fixed to one end of the second lifting shaft; the second lifting synchronous belt is sleeved on the peripheries of the second lifting driven wheel and the third lifting driven wheel; two of the four cams are fixed to both ends of the first lifting shaft, respectively; the other two of the four cams are respectively fixed to both ends of the second lifting shaft; the two driven lifting wheels are respectively connected to the other two of the four guide devices in a sliding and rotating manner; the four cam followers are respectively connected to the two driving lifting wheels and the two driven lifting wheels and engaged with the four cams.
2. The wheel lifting structure for a four-way shuttle according to claim 1,
the guide device includes: the two guide columns and the mounting rack are used for guiding the driving lifting wheel or the lifting driven wheel; two of the guide posts are fixed to the base plate; the mounting bracket is slidably connected to the guide post; the cam follower is mounted to the mounting bracket; two driven lifting wheels and the both ends of second transmission shaft rotate respectively and are connected the mounting bracket.
3. The wheel lifting structure for a four-way shuttle according to claim 2,
guide holes are formed at two ends of the mounting rack; two ends of the mounting rack are sleeved on the periphery of the guide pillar through the guide holes respectively; the periphery of the guide post is also sleeved with a linear bearing; the linear bearing is positioned between the guide pillar and the hole wall of the guide hole; both ends of the mounting bracket are fixed to the linear bearing.
4. The wheel lifting structure for a four-way shuttle according to claim 3,
the periphery of the guide post is also sleeved with a spring which is used for applying acting force to the linear bearing to drive the linear bearing to move upwards so as to drive the cam follower to keep meshed with the cam; one end of the spring contacts one end of the linear bearing and the other end contacts the bottom plate.
5. The wheel lifting structure for a four-way shuttle according to claim 4,
the two guide posts are parallel to each other and are symmetrically arranged about a rotating axis of the lifting driven wheel or the driving lifting wheel.
6. The wheel lifting structure for a four-way shuttle according to claim 1,
the rotation axes of the two fixed driven wheels are overlapped.
7. The wheel lifting structure for a four-way shuttle according to claim 6,
the rotation axes of the two fixed driven wheels are parallel to the rotation axis of the first transmission shaft.
8. The wheel lifting structure for a four-way shuttle according to claim 1,
the rotation axes of the two driven lifting wheels are overlapped and oppositely arranged.
9. The wheel lifting structure for a four-way shuttle according to claim 8,
the rotation axis of the driven lifting wheel is parallel to the rotation axis of the second transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921371956.7U CN210456311U (en) | 2019-08-22 | 2019-08-22 | Wheel lifting structure suitable for four-way shuttle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921371956.7U CN210456311U (en) | 2019-08-22 | 2019-08-22 | Wheel lifting structure suitable for four-way shuttle |
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| Publication Number | Publication Date |
|---|---|
| CN210456311U true CN210456311U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921371956.7U Active CN210456311U (en) | 2019-08-22 | 2019-08-22 | Wheel lifting structure suitable for four-way shuttle |
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| CN (1) | CN210456311U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111703463A (en) * | 2020-06-01 | 2020-09-25 | 中国电子科技集团公司第三十八研究所 | Reversing walking device of four-direction vehicle and four-direction vehicle |
| CN112079031A (en) * | 2020-09-15 | 2020-12-15 | 隆链智能科技（上海）有限公司 | Diagonal-pulling jacking reversing type sixteen-wheel four-way shuttle |
| CN112093350A (en) * | 2020-09-15 | 2020-12-18 | 隆链智能科技（上海）有限公司 | Sixteen-wheel four-way shuttle |
-
2019
- 2019-08-22 CN CN201921371956.7U patent/CN210456311U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111703463A (en) * | 2020-06-01 | 2020-09-25 | 中国电子科技集团公司第三十八研究所 | Reversing walking device of four-direction vehicle and four-direction vehicle |
| CN112079031A (en) * | 2020-09-15 | 2020-12-15 | 隆链智能科技（上海）有限公司 | Diagonal-pulling jacking reversing type sixteen-wheel four-way shuttle |
| CN112093350A (en) * | 2020-09-15 | 2020-12-18 | 隆链智能科技（上海）有限公司 | Sixteen-wheel four-way shuttle |
| CN112079031B (en) * | 2020-09-15 | 2021-04-06 | 隆链智能科技（上海）有限公司 | Diagonal-pulling jacking reversing type sixteen-wheel four-way shuttle |
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