CN210973719U - Automatic climbing walking trolley and climbing assembly - Google Patents
Automatic climbing walking trolley and climbing assembly Download PDFInfo
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- CN210973719U CN210973719U CN201921739750.5U CN201921739750U CN210973719U CN 210973719 U CN210973719 U CN 210973719U CN 201921739750 U CN201921739750 U CN 201921739750U CN 210973719 U CN210973719 U CN 210973719U
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- 230000009194 climbing Effects 0.000 title claims description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 abstract description 5
- 238000013213 extrapolation Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an automatic walking dolly climbs, including frame, wheel, elevating gear, integral key shaft among the elevating gear has set up the spacing portion of axial in the screw cover, makes the screw cover can be with spline axial extrapolation or inwards pull. After the integral key shaft outwards extends, then can with the device of dolly lifting will walk, if the utility model discloses the lift stand cooperation in the subassembly that climbs. After being matched with the lifting upright post, the driving shaft is driven to rotate by the lifting motor, so that the spline shaft is driven to rotate. And the spline shaft is matched with the nut sleeve through the bearing, so that the rotation of the spline shaft and the nut sleeve cannot generate interference. Therefore, the lifting state of the walking trolley can be achieved by the rotation of the spline shaft and the matching of the upright post.
Description
Technical Field
The utility model discloses an automatic walking dolly that climbs belongs to the walking dolly technical field in the storage goods shelves.
The utility model discloses a subassembly that climbs belongs to storage system technical field.
Background
In the existing warehousing system, a common walking trolley moves on a goods shelf rail and is used for taking and placing goods. Wherein, the walking trolley can only walk in a plane straight line when walking on the goods shelf track or walk in a straight line after turning at the track intersection. For the ascending or descending of the goods on the plurality of layers of tracks, a lifting platform for the goods is usually adopted for operation. After the goods are conveyed to the lifting platform by the walking trolley, the lifting platform conveys the goods to the goods shelves with different heights or the walking trolleys of the goods shelves with different heights through lifting. In this kind of scheme, the not enough of existence is mainly because every layer all need set up the walking dolly, still need set up the lifting platform of automatic rising simultaneously, causes the construction cost requirement to warehouse system higher.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The purpose of the invention is as follows: the utility model provides an automatic walking dolly climbs solves the problem that how the walking dolly climbs or descends on the goods shelves of co-altitude not.
The utility model discloses provide a subassembly that climbs simultaneously, solve and climb or descend and do not need the problem of other lifting platforms with the walking dolly on the goods shelves of co-altitude.
The technical scheme is as follows: in order to achieve the above purpose, the utility model discloses automatic walking dolly that climbs can adopt following technical scheme:
an automatic climbing walking trolley comprises a frame and driving wheels positioned on two sides of the frame; the frame is provided with two lifting devices, each lifting device comprises a screw rod motor, a screw rod speed reducer connected with the screw rod motor and a screw rod arranged in the screw rod speed reducer, two ends of the screw rod extend out from two sides of the screw rod speed reducer, and the two ends are respectively provided with a nut, a nut sleeve surrounding the outer side of the nut and fixed with the nut, and a spline shaft with one end positioned in the nut sleeve and the other end coaxial with the screw rod and extending outwards; a bearing matched with the spline shaft is arranged in the nut sleeve, and the spline shaft rotates relative to the nut sleeve through the bearing; one end of the spline shaft, which is positioned in the nut sleeve, is provided with a limiting part which is limited in front of the nut and the bearing; a driven gear is fixed on the spline shaft;
the lifting device also comprises a lifting motor, a driving shaft driven by the lifting motor and a driving gear positioned on the driving shaft, and the driving gear is meshed with the driven gear; when the lifting motor drives the driving shaft and the driving gear to rotate, the driving gear drives the driven gear and the spline shaft to rotate.
Has the advantages that: in the lifting device of the automatic climbing walking trolley, the spline shaft is provided with the limiting part which is axially limited in the nut sleeve, so that the nut sleeve can axially push or pull the spline outwards or inwards. After the integral key shaft outwards extends, then can with the device with walking dolly lifting, if the utility model provides a lift stand cooperation. Meanwhile, after the lifting upright post is matched with the lifting upright post, the driving shaft is driven to rotate through the lifting motor, so that the spline shaft is driven to rotate. And the spline shaft is matched with the nut sleeve through the bearing, so that the rotation of the spline shaft and the nut sleeve cannot generate interference. Therefore, the lifting state of the walking trolley can be achieved by the rotation of the spline shaft and the matching of the upright post.
Further, the screw rod is a positive and negative tooth screw rod; when the screw rod rotates, the nuts on the two sides move outwards simultaneously or move inwards simultaneously.
Furthermore, the periphery of the spline shaft is provided with a spline nut wrapping the spline shaft, and the driven gear is arranged around the spline nut and fixed on the spline nut.
Furthermore, the lifting device also comprises a base arranged on the frame, two ends of the base are provided with a support for bearing a spline nut, the support is matched with the spline nut through a bearing, and the spline nut rotates relative to the support; the base is further provided with two shaft seats extending upwards, the driving shaft is contained in the shaft seats, the driving shaft is located above the screw rod, two end portions of the driving shaft extend out of the shaft seats, and the driving gear is located on the outer side of the shaft seats.
Furthermore, still have with elevator motor complex elevator motor reduction gear, elevator motor and elevator motor reduction gear are installed on the base equally, still have power gear on the driving shaft, and be equipped with output gear on elevator motor reduction gear's the output shaft, be connected through the hold-in range between output gear and the power gear, pass through hold-in range drive power gear and driving shaft rotation when output gear rotates.
Further, still include the guide bar, two nut covers are passed respectively to the both ends of guide bar, are equipped with on the support with guide bar complex accepting hole, the both ends of guide bar insert in the accepting hole that corresponds.
Furthermore, the driving wheels are positioned on two sides of the middle of the frame, driving wheel driving motors are arranged to drive the driving wheels to rotate, driven wheels are further arranged on the lower portion of the front end and the lower portion of the rear end of the frame, and at least one driven wheel is a universal wheel.
The utility model provides a climbing subassembly that has above-mentioned automatic walking dolly that climbs adopts following technical scheme:
the climbing assembly also comprises four lifting stand columns, wherein each lifting stand column comprises a vertical guide rail, a steel coil sliding seat arranged on the vertical guide rail, a supporting piece positioned above the vertical guide rail and a steel belt; each steel coil sliding seat corresponds to a spline shaft of the automatic climbing walking trolley;
the steel rolling sliding seat comprises a seat body, a guide wheel which is arranged on the seat body and matched with the vertical guide rail, a rolling shaft sleeve which is arranged on the seat body, and a reel which surrounds the rolling shaft sleeve and is fixed with the rolling shaft sleeve; one end of the steel belt is fixed on the supporting piece, the other end of the steel belt is fixed on the reel, and the steel belt is wound on the reel along with the rotation of the reel;
when the front end of a spline shaft of the automatic climbing walking trolley is inserted into the reel sleeve under the driving of a nut, the driving gear drives the driven gear and the spline shaft to rotate, the spline shaft simultaneously drives the reel sleeve and the reel to rotate so that a steel belt is continuously wound on the reel, and the automatic climbing walking trolley ascends; the driving gear drives the driven gear and the spline shaft to rotate in opposite directions, and the automatic climbing walking trolley descends at the moment.
Has the advantages that: the lifting upright post in the climbing assembly is used for being matched with the walking trolley, when the spline shaft of the walking trolley is pushed out through the nut sleeve, the spline shaft can be matched with the reel sleeve, then the reel sleeve is wound with the steel belt through the rotation of the spline shaft, so that the reel sleeve rises, and the walking trolley rises along with the reel sleeve. When the spline shaft rotates reversely, the steel belt wound on the reel sleeve loosens from the reel sleeve, and the reel sleeve and the walking trolley descend together. When the walking trolley needs to be separated from the reel sleeve, the spline shaft and the reel sleeve can be separated by pulling the spline shaft axially inwards through the nut sleeve. Use in storage goods shelves through this subassembly that climbs, the walking dolly carries on the effect that the goods can play the lifting platform simultaneously, and direct dolly lifting or decline to appointed goods shelves position will walk can get the goods promptly. Therefore, the lifting platform can be omitted, and the cost of the whole storage shelf can be reduced due to the fact that each layer of shelf needs to be provided with the walking trolley.
Furthermore, an interference bump protruding inwards is arranged in the scroll sleeve, the front end of the spline shaft is a flat shaft end, and when the shaft end is inserted into the scroll sleeve, the shaft end rotates to interfere with the interference bump, namely the shaft end abuts against the interference bump to drive the scroll sleeve to rotate together.
Furthermore, the upright guide rail extends from bottom to top, two sides of the upright guide rail are respectively bent outwards to form side plates, the guide wheel on the seat body comprises a front guide wheel positioned in front of the side plates and a rear guide wheel positioned behind the side plates, and the side plates are clamped between the front guide wheel and the rear guide wheel.
Drawings
Figure 1 is a perspective view of a mid-climb assembly of the present invention.
Fig. 2 is a perspective view of the automatic climbing walking trolley of the utility model.
Fig. 3 is a side view of the automatic climbing walking trolley of the utility model.
Fig. 4 is a perspective view of a lifting device in the self-climbing walking trolley.
Fig. 5 is a perspective view of the lifting device after the lead screw, the lead screw motor, and the lead screw reducer are assembled.
Fig. 6 is a schematic sectional view of the lifting device at the position of the screw and spline shaft.
Figure 7 is a perspective view of a lifting column in the climbing assembly.
FIG. 8 is a perspective view of the coil steel slide in the lifting column.
Detailed Description
Referring to fig. 1 to 5, the present embodiment discloses an automatic climbing walking trolley 10, which includes a frame 100 and driving wheels 101 disposed on two sides of the frame 100. The driving wheels 101 are located on two sides of the middle portion of the frame 100, and driving wheel driving motors (not numbered) are arranged to drive the driving wheels 101 to rotate. The lower part of the front end and the lower part of the rear end of the frame 100 are also provided with driven wheels 102, wherein at least one driven wheel 102 is a universal wheel to facilitate the steering of the walking trolley when the walking trolley walks on the rail. This initiative wheel 101 adopts is the power constitution of walking dolly among the prior art, does not belong to the utility model discloses an innovation point, no longer gives details here.
The frame 100 is formed by welding an aluminum square tube and a circular tube, and aims to reduce the weight of the frame. Two lifting devices 200 are arranged on the frame 100, and each lifting device 200 comprises a base 201 arranged on the frame 100, a screw rod motor 202, a screw rod speed reducer 203 connected with the screw rod motor 202, and a screw rod 204 arranged in the screw rod speed reducer 203. Two ends of the screw 204 extend out from two sides of the screw speed reducer 203, and the two ends are respectively provided with a nut 205, a nut sleeve 206 surrounding the outer side of the nut 205 and fixed with the nut 205, and a spline shaft 207, one end of which is positioned in the nut sleeve 206, and the other end of which is coaxial with the screw 204 and extends outwards. A bearing 208 which is matched with the spline shaft 207 is arranged in the nut sleeve 206. The spline shaft 207 rotates relative to the nut case 206 via a bearing 208. One end of the spline shaft 207, which is located inside the nut sleeve 206, is provided with a limiting part 209 limited in front of the nut 205 and the bearing 208. A driven gear 210 is fixed to the spline shaft 208. The spline shaft 207 has a spline female 211 surrounding the spline shaft 207 on the periphery thereof, and the driven gear 210 is disposed around the spline female 211 and fixed to the spline female 211. The elevating device 200 further includes an elevating motor 212, a driving shaft 213 driven by the elevating motor 212, and a driving gear 214 provided on the driving shaft 213. The driving gear 214 is engaged with the driven gear 210. When the lift motor 211 drives the driving shaft 213 and the driving gear 214 to rotate, the driving gear 214 drives the driven gear 210 and the spline shaft 207 to rotate. In the present embodiment, the screw 204 is a positive and negative thread screw. The positive and negative lead screw has the advantage that when the lead screw 204 is rotated, the nuts 205 on both sides are simultaneously moved outward or simultaneously moved inward.
And the two ends of the base 201 are provided with a support 215 for bearing a spline nut 211. The support 215 is engaged with the spline female 211 through a bearing 216, that is, the spline female 211 rotates relative to the support 215. The base 201 is further provided with two shaft seats 217 extending upwards, and the driving shaft 213 is accommodated in the shaft seats 217. The drive shaft 213 is located above the screw 204. And both end portions of the driving shaft 213 extend from the shaft seats 217. The drive gear 214 is located outside the axle seat 217. The lifting device 200 further has a lifting motor reducer 218 coupled to the lifting motor 212, and the lifting motor 212 and the lifting motor reducer 218 are also mounted on the base 201. The drive shaft 213 is also provided with a power gear 219. And an output gear 220 is provided on an output shaft of the elevator motor reducer 218. The output gear 220 is connected with the power gear 219 through a timing belt 221. When the output gear 220 rotates, the power gear 219 and the drive shaft 213 are driven to rotate by the timing belt 221. In order to stabilize the movement of the nut case 206 in and out in the axial direction, a guide rod 222 is further provided on the nut case 206. Both end portions of the guide bar 222 pass through the two nut cases 206, respectively. The holder 215 is provided with receiving holes 223 engaged with the guide rods 222, and both ends of the guide rods 222 are inserted into the corresponding receiving holes 223.
And correspond this walking dolly, the utility model discloses in still provide the embodiment of the subassembly that climbs of automatic walking dolly, this subassembly that climbs includes four lift stands 300, corresponds four integral key shafts 208 on the walking dolly promptly. Each lifting column 300 comprises an upright guide rail 301, a steel coil slide 302 mounted on the upright guide rail 301, a support 303 located above the upright guide rail 301, and a steel band 304. Each coil steel sliding seat 302 corresponds to a spline shaft 208 of the automatic climbing walking trolley. The coil steel slide base 302 includes a base body 305, a guide wheel mounted on the base body 305 and engaged with the vertical guide rail 301, a coil bobbin 307 mounted on the base body 305, and a coil 308 wound around the coil bobbin 307 and fixed to the coil bobbin 307. One end of the steel belt 304 is fixed to the support 303, the other end of the steel belt 304 is fixed to the reel 308, and the steel belt 304 is wound around the reel 308 as the reel 308 rotates. The upright guide 301 extends from bottom to top, and two sides of the upright guide 301 are respectively bent outward to form side plates 309. The guide wheels on the seat body 305 comprise a front guide wheel 306 positioned in front of the side plate 309 and a rear guide wheel 310 positioned behind the side plate 309, the side plate 309 is clamped between the front guide wheel 306 and the rear guide wheel 310, and the seat body 305 is limited in the transverse direction relative to the side plate 309, so that the seat body 305 can only move up and down along the side plate 309. In order to allow the spline shaft 208 to be easily inserted into the spool sleeve 307 and also to drive the spool sleeve 307 to rotate, an interference protrusion 310 protruding inward is provided in the spool sleeve 307, and the front end of the spline shaft 208 is provided with a flat shaft end (the shaft end is also provided with an inclined guide surface), and when the shaft end is inserted into the spool sleeve 307, the shaft end is rotated to interfere with the interference protrusion 310, that is, the spool sleeve 307 is driven to rotate together by abutting against the interference protrusion 310.
When the front end of the spline shaft 208 of the automatic climbing walking trolley is inserted into the winding shaft sleeve 307 under the driving of the nut 205, the driving gear 214 drives the driven gear 201 and the spline shaft 208 to rotate. The spline shaft 208 simultaneously drives the reel sleeve 307 and the reel 308 to rotate, so that the steel strip 304 is continuously wound on the reel 308, and the automatic climbing walking trolley ascends. The driving gear 214 drives the driven gear 201 and the spline shaft 309 to rotate in opposite directions, so that the steel belt 304 wound on the winding shaft sleeve 307 is loosened from the winding shaft sleeve 307, and the winding shaft sleeve 307 and the traveling trolley descend together. When the walking trolley needs to be separated from the reel sleeve 307, the spline shaft 208 is pulled inwards through the nut sleeve 206, and the spline shaft 208 can be separated from the reel sleeve 307.
The utility model discloses the method and the way of realizing this technical scheme are many specifically, above only the preferred embodiment of the utility model. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (10)
1. An automatic climbing walking trolley comprises a frame and driving wheels positioned on two sides of the frame; the bicycle is characterized in that two lifting devices are arranged on the bicycle frame, each lifting device comprises a screw rod motor, a screw rod speed reducer connected with the screw rod motor and a screw rod arranged in the screw rod speed reducer, two ends of the screw rod extend out from two sides of the screw rod speed reducer, and are respectively provided with a nut, a nut sleeve surrounding the outer side of the nut and fixed with the nut, and a spline shaft with one end positioned in the nut sleeve and the other end coaxial with the screw rod and extending outwards; a bearing matched with the spline shaft is arranged in the nut sleeve, and the spline shaft rotates relative to the nut sleeve through the bearing; one end of the spline shaft, which is positioned in the nut sleeve, is provided with a limiting part which is limited in front of the nut and the bearing; a driven gear is fixed on the spline shaft;
the lifting device also comprises a lifting motor, a driving shaft driven by the lifting motor and a driving gear positioned on the driving shaft, and the driving gear is meshed with the driven gear; when the lifting motor drives the driving shaft and the driving gear to rotate, the driving gear drives the driven gear and the spline shaft to rotate.
2. The automatic climbing walking trolley according to claim 1, characterized in that: the screw rod is a positive and negative screw rod; when the screw rod rotates, the nuts on the two sides move outwards simultaneously or move inwards simultaneously.
3. The automatic climbing walking trolley according to claim 1 or 2, characterized in that: the periphery of the spline shaft is provided with a spline nut wrapping the spline shaft, and the driven gear is arranged around the spline nut and fixed on the spline nut.
4. The automatic climbing walking trolley according to claim 3, wherein: the lifting device also comprises a base arranged on the frame, two ends of the base are provided with supports for bearing spline nuts, the supports are matched with the spline nuts through bearings, and the spline nuts rotate relative to the supports; the base is further provided with two shaft seats extending upwards, the driving shaft is contained in the shaft seats, the driving shaft is located above the screw rod, two end portions of the driving shaft extend out of the shaft seats, and the driving gear is located on the outer side of the shaft seats.
5. The automatic climbing walking trolley according to claim 4, wherein: still have with elevator motor complex elevator motor reduction gear, elevator motor and elevator motor reduction gear install on the base equally, still have power gear on the driving shaft, and be equipped with output gear on elevator motor reduction gear's the output shaft, be connected through the hold-in range between output gear and the power gear, pass through hold-in range drive power gear and driving shaft rotation when output gear rotates.
6. The automatic climbing walking trolley according to claim 5, wherein: the two ends of the guide rod penetrate through the two nut sleeves respectively, the support is provided with accommodating holes matched with the guide rod, and the two ends of the guide rod are inserted into the corresponding accommodating holes.
7. The automatic climbing walking trolley according to claim 3, wherein: the driving wheels are positioned on two sides of the middle of the frame, driving wheel driving motors are arranged to drive the driving wheels to rotate, driven wheels are further arranged on the lower portion of the front end and the lower portion of the rear end of the frame, and at least one driven wheel is a universal wheel.
8. A climbing assembly with an automatic climbing walking trolley according to any one of claims 1 to 7, characterized in that: the lifting device also comprises four lifting stand columns, wherein each lifting stand column comprises a vertical guide rail, a steel coil sliding seat arranged on the vertical guide rail, a supporting piece positioned above the vertical guide rail and a steel belt; each steel coil sliding seat corresponds to a spline shaft of the automatic climbing walking trolley;
the steel rolling sliding seat comprises a seat body, a guide wheel which is arranged on the seat body and matched with the vertical guide rail, a rolling shaft sleeve which is arranged on the seat body, and a reel which surrounds the rolling shaft sleeve and is fixed with the rolling shaft sleeve; one end of the steel belt is fixed on the supporting piece, the other end of the steel belt is fixed on the reel, and the steel belt is wound on the reel along with the rotation of the reel;
when the front end of a spline shaft of the automatic climbing walking trolley is inserted into the reel sleeve under the driving of a nut, the driving gear drives the driven gear and the spline shaft to rotate, the spline shaft simultaneously drives the reel sleeve and the reel to rotate so that a steel belt is continuously wound on the reel, and the automatic climbing walking trolley ascends; the driving gear drives the driven gear and the spline shaft to rotate in opposite directions, and the automatic climbing walking trolley descends at the moment.
9. The climbing assembly according to claim 8, wherein: the spool sleeve is internally provided with an interference bump which protrudes inwards, the front end of the spline shaft is a flat shaft end, and when the shaft end is inserted into the spool sleeve, the shaft end rotates to interfere with the interference bump, namely the spool sleeve is driven to rotate together by abutting against the interference bump.
10. The climbing assembly according to claim 9, wherein: the upright guide rail extends from bottom to top, two sides of the upright guide rail are respectively bent outwards to form side plates, the guide wheel on the seat body comprises a front guide wheel positioned in front of the side plate and a rear guide wheel positioned behind the side plate, and the side plates are clamped between the front guide wheel and the rear guide wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921739750.5U CN210973719U (en) | 2019-10-17 | 2019-10-17 | Automatic climbing walking trolley and climbing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921739750.5U CN210973719U (en) | 2019-10-17 | 2019-10-17 | Automatic climbing walking trolley and climbing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210973719U true CN210973719U (en) | 2020-07-10 |
Family
ID=71453970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921739750.5U Withdrawn - After Issue CN210973719U (en) | 2019-10-17 | 2019-10-17 | Automatic climbing walking trolley and climbing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210973719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626985A (en) * | 2019-10-17 | 2019-12-31 | 南京音飞储存设备（集团）股份有限公司 | Automatic climbing walking trolley and climbing assembly |
-
2019
- 2019-10-17 CN CN201921739750.5U patent/CN210973719U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626985A (en) * | 2019-10-17 | 2019-12-31 | 南京音飞储存设备（集团）股份有限公司 | Automatic climbing walking trolley and climbing assembly |
| CN110626985B (en) * | 2019-10-17 | 2024-04-12 | 南京音飞储存设备（集团）股份有限公司 | Automatic climbing travelling trolley and climbing assembly |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200710 Effective date of abandoning: 20240412 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200710 Effective date of abandoning: 20240412 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |