CN206679768U - A kind of ribbon conveyer - Google Patents
A kind of ribbon conveyer Download PDFInfo
- Publication number
- CN206679768U CN206679768U CN201720464528.3U CN201720464528U CN206679768U CN 206679768 U CN206679768 U CN 206679768U CN 201720464528 U CN201720464528 U CN 201720464528U CN 206679768 U CN206679768 U CN 206679768U
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- CN
- China
- Prior art keywords
- mainframe
- expansion bracket
- roller
- link
- rope
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of ribbon conveyer, including mainframe, elevating mechanism, telescoping mechanism, conveying mechanism and controller;Elevating mechanism includes road wheel, support frame, link and lifting drive;The lower end of support frame and the lower end of link are hinged in the rotating shaft of road wheel, and the upper end of support frame and the anterior slip underneath of mainframe connect, and the upper end of link is hinged on the rear portion of mainframe;The lifting drive is connected to the rope on wiring roller including lifting motor, the wiring roller, the one ends wound that are rotatably connected on the jointed shaft of link and mainframe, and it is rotatably connected on some rope sheaves on the link and support frame, rope is wound on each rope sheave back and forth, and the other end of rope is connected in the rope sheave rotating shaft on the link.The utility model can improve adaptability of the ribbon conveyer to adverse circumstances, reduce misoperation or supervision it is not in place caused by rate of breakdown.
Description
Technical field
It the utility model is related to material transfer equipment, and in particular to a kind of ribbon conveyer.
Background technology
Ribbon conveyer is as a kind of automatic material flow conveying equipment, in express mail service, logistics harbour, enterprise's storage, food
The industries such as product medicine, light industry electronics are widely used.CN102514905A discloses a kind of conveyer, including base,
Submounts are installed with lifting motor and oil pump, and lifting motor is connected with oil pump, and solenoid directional control valve is connected with oil pump, institute
State pan frontward end and be hinged with elevating mechanism, base rear end is hinged with conveying frame, and elevating mechanism is hinged and connected with conveying frame, defeated
Send and telescoping mechanism is installed in frame.The conveyer of above-mentioned technology, because its elevating mechanism is driven using hydraulic cylinder, cost compared with
Height, inconvenience is safeguarded, and be difficult in adapt to severe working environment.And traditional ribbon conveyer is in use, often
There is belt deflection, fluff, either led because scaling operation excessively causes expansion bracket stuck or derails or descending operation is improper
The problems such as causing the change of conveyer position of centre of gravity, and then causing conveyer to be toppled over, or even threaten personal safety.
The content of the invention
The purpose of this utility model is to provide a kind of ribbon conveyer, with the premise of short-distance transportation function is met,
Ribbon conveyer is improved to the adaptability of adverse circumstances, reduce misoperation or supervision it is not in place caused by failure occur
Rate, and reduce the cost of ribbon conveyer.
Ribbon conveyer described in the utility model, including in truss structure mainframe, be arranged in the middle part of mainframe under
The elevating mechanism in face, it is arranged on the anterior telescoping mechanism of mainframe and the conveyer being connected with mainframe and telescoping mechanism
Structure, in addition to the controller being arranged on mainframe;The elevating mechanism includes road wheel, support frame, link and lifting and driven
Dynamic device;The lower end of support frame as described above and the lower end of link are hinged in the rotating shaft of road wheel, the upper end of support frame as described above
It is connected with the anterior slip underneath of mainframe, the upper end of the link is hinged on the rear portion of mainframe;The lifting driving dress
Put including lifting motor, the wiring roller being rotatably connected on the jointed shaft of the link and mainframe, one ends wound
The rope being connected on wiring roller, and some rope sheaves being rotatably connected on the link and support frame, the lifting
Motor passes sequentially through shaft coupling, lifting decelerator and chain-wheel mechanism and is fixedly connected with the rotating shaft of wiring roller;The rope
It is wound on back and forth on each rope sheave, and the other end of rope is connected in the rope sheave rotating shaft on the link, rope is in wiring roller
Upper winding is unreeled to pull axis of rotation of the support frame along road wheel, realizes that mainframe rises or falls.
Further, the telescoping mechanism includes expansion bracket and retractable driving device, and the expansion bracket is slidably connected at main frame
The front portion of frame;The retractable driving device includes sprocket wheel, chain and telescopic drive motor, and the chain is fixed under expansion bracket
Face, the rotating shaft of the sprocket wheel is fixedly connected by shaft coupling and flexible decelerator with telescopic drive motor, and sprocket wheel is nibbled with chain
Close, telescopic drive motor driven sprocket wheel is rotated to drive expansion bracket to be slided along mainframe.
Further, the flexible decelerator and lifting decelerator use Worm Wheel System form.
Further, the expansion bracket front end is provided with anti-collision switch, and the anti-collision switch is fixed on by rubber buffer to be stretched
On contracting frame, and anti-collision switch is connected with the controller.
Further, the expansion bracket is provided with pulley with mainframe contact site;Support frame as described above contacts with mainframe
End set has roller, and the roller is located in the slide rail below mainframe front portion, and the rear and front end of the slide rail is both provided with keeping off
Part.
Further, the mainframe front portion is provided with infrared emission transmitter, and infrared emission is provided with the expansion bracket
Receiver, to detect the displacement of telescoping mechanism;Infrared emission transmitter, the road wheel are installed in the middle part of the mainframe
Rotating shaft on infrared emission receiver is installed, to detect the adjustable height of elevating mechanism;The infrared emission transmitter and red
It is connected outside to penetrating receiver with the controller.
Further, the conveying mechanism include be arranged on mainframe and expansion bracket some groups of carrying rollers, be laid on carrying roller
On conveyer belt and feed drive motor, the feed drive motor passes through shaft coupling and conveying decelerator and one group of carrying roller
Rotating shaft be fixedly connected;Include transition carrier roller, load-carrying carrying roller and deviation-adjusting carrier roller in the carrying roller.
Further, the expansion bracket front portion is provided with belt stretcher, and the belt stretcher includes tensioning wheel, tensioning
Wheel seat, traction screw and U-shaped card;The tension pulley seat is slidably connected on expansion bracket;The tensioning wheel is forwarded by spherical axis
It is dynamic to be connected between two tension pulley seats;The one end for the traction screw being screwed on expansion bracket is fixedly connected with tension pulley seat, separately
One end is provided with runner;The U-shaped card is resisted against behind tension pulley seat, to limit position of the tensioning wheel on expansion bracket;It is described
Expansion bracket rear end is provided with the first turnabout roller, and the second turnabout roller is provided below in the mainframe front portion, is laid on described
Conveyer belt on mainframe passes sequentially through the second turnabout roller and the first turnabout roller and the conveyer belt being laid on expansion bracket connects
Connect.
Further, the mainframe rearward lower is provided with universal wheel, and the road wheel of the universal wheel and elevating mechanism is common
Form travel mechanism.
Further, it is provided with fender bracket outside the mainframe.
Ribbon conveyer described in the utility model, it is pure mechanic structure because its elevating mechanism uses linkage, energy
It is enough to be worked under more rugged environment;By installing anti-collision switch in telescoping mechanism, and on telescoping mechanism and elevating mechanism
Infrared emission emitting/receiving is installed, when operator's misoperation or supervision not in place, controller automatically powers off or alarmed,
Reduce rate of breakdown;Flexible decelerator and lifting decelerator use Worm Wheel System form, worm gear structure tool
Have auto-lock function, ensure that telescoping mechanism and elevating mechanism the remains stationary state at setting position, will not automatic moving, and then
Improve the safety coefficient of ribbon conveyer.The utility model is simple in construction, reduce ribbon conveyer production and safeguard into
This.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the front view of elevating mechanism in the utility model;
Fig. 3 is the top view of elevating mechanism in the utility model;
Fig. 4 is the structural representation of telescoping mechanism in the utility model;
Fig. 5 is the structural representation of belt stretcher in the utility model;
Fig. 6 is operational flowchart of the present utility model;
In figure:1-mainframe, 2-elevating mechanism, 3-telescoping mechanism, 4-conveying mechanism, 5-controller, 6-it is universal
Wheel, 7-infrared emission transmitter, 8-infrared emission receiver, 9-anti-collision switch;
11-fender bracket;21-road wheel, 22-support frame, 23-link, 24-rope, 25-lifting driving electricity
Machine, 26-lifting decelerator, 27-chain-wheel mechanism, 28-block piece, 29-roller, 210-rope sheave, 211-wiring roller;
31-expansion bracket, 32-telescopic drive motor, 33-flexible decelerator, 34-chain, 35-sprocket wheel, 36-pulley;41-support
Roller, 42-conveyer belt, 43-feed drive motor, 44-conveying decelerator, 45-transition carrier roller, 46-load-carrying carrying roller, 47-
Deviation-adjusting carrier roller, 48-tensioning wheel, 49-traction screw, 410-runner, 411-tension pulley seat, 412-U-shaped card, 413-change
To roller;91-rubber buffer.
Embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
Ribbon conveyer shown in Figure 1, including in truss structure mainframe 1, be arranged on the middle part of mainframe 1 below
Elevating mechanism 2, be arranged on the anterior telescoping mechanism 3 of mainframe 1 and the conveying being connected with mainframe 1 and telescoping mechanism 3
Mechanism 4, in addition to the controller 5 being arranged on mainframe 1, the mainframe 1 are provided with fender bracket 11 outside.
The elevating mechanism 2 includes road wheel 21, support frame 22, link 23 and lifting drive;Support frame as described above
22 lower end and the lower end of link 23 are hinged in the rotating shaft of road wheel 21, and the upper end of support frame as described above 22 is provided with roller
29, it is slidably connected with mainframe 1 in slide rail (not shown) that the roller is located at below the front portion of mainframe 1, the link
23 upper end is hinged on the rear portion of mainframe 1;The lifting drive include lifting motor 25, be rotatably connected on it is described
Link 23 is connected to the rope on wiring roller 211 with the wiring roller 211 on the jointed shaft of mainframe 1, one ends wound
24, and some rope sheaves 210 being rotatably connected on the link 23 and support frame 22, the lifting motor 25 is successively
It is fixedly connected by shaft coupling, lifting decelerator 26 and chain-wheel mechanism 27 with the rotating shaft of wiring roller 211;The rope 24 is back and forth
It is wound on each rope sheave 210, and the other end of rope 24 is connected in the rotating shaft of rope sheave 210 on the link 23, rope 24 exists
Wind or unreel on wiring roller 211 rising of to pull axis of rotation of the support frame 22 along road wheel 21, realizing mainframe 1 or
Decline.
In the present embodiment, in order to limit sliding scale of the support frame 22 on mainframe 1, as shown in Fig. 2 the main frame
Slide rail rear and front end below the front portion of frame 1 is both provided with block piece 28.
In the present embodiment, as shown in figure 1, the rearward lower of the mainframe 1 is provided with universal wheel 6, the universal wheel 6 and liter
The road wheel 21 of descending mechanism 2 collectively constitutes travel mechanism.
As shown in figure 4, including expansion bracket 31 and retractable driving device, the expansion bracket 31 slides to be connected the telescoping mechanism 33
The front portion of mainframe 1 is connected on, expansion bracket 31 and the contact site of mainframe 1 are provided with pulley 36;The retractable driving device bag
Sprocket wheel 35, chain 34 and telescopic drive motor 32 are included, the chain 34 is fixed on below expansion bracket 31, and the sprocket wheel 35 turns
Axle is fixedly connected by shaft coupling and flexible decelerator 33 with telescopic drive motor 32, and sprocket wheel 35 engages with chain 34, is stretched
Motor 32 is rotated with movable sprocket 35 to drive expansion bracket 31 to be slided along mainframe 1.
The conveying mechanism 4 as shown in figure 1, including be arranged on mainframe 1 and expansion bracket 31 some groups of carrying rollers 41, paving
The conveyer belt 42 and feed drive motor 43 being located on carrying roller 41, the feed drive motor 43 are slowed down by shaft coupling and conveying
Device 44 is fixedly connected with the rotating shaft of one group of carrying roller 41.Also include transition carrier roller 45, load-carrying carrying roller 46 in the carrying roller 41 and entangle
Inclined carrying roller 47.
As a kind of preferred scheme of the present embodiment, in order to prevent ribbon conveyer conveyer belt in long-time transmitting procedure
42 fluff, and as shown in Figure 1 and Figure 5, the front portion of expansion bracket 31 is provided with belt stretcher, and the belt stretcher includes opening
Bearing up pulley seat 411, tensioning wheel 48, traction screw 49 and U-shaped card 412;The tension pulley seat 411 is slidably connected on expansion bracket 31;
The tensioning wheel 48 is rotatably connected between two tension pulley seats 411 by spherical bearing;The traction being screwed on expansion bracket 31
One end of screw rod 49 is fixedly connected with tension pulley seat 411, and the other end is provided with runner 410, by changing tensioning wheel 48 flexible
Position on frame 31, you can the tightness of adjustment conveyer belt 42;The U-shaped card 412 is resisted against behind tension pulley seat 411, with
Limit position of the tensioning wheel 48 on expansion bracket 31.The rear end of expansion bracket 31 is provided with the first turnabout roller 413, the main frame
The second turnabout roller 414 is provided below in the front portion of frame 1, and the conveyer belt 42 being laid on the mainframe 1 passes sequentially through second and changed
It is connected to the turnabout roller 413 of roller 414 and first with the conveyer belt 42 being laid on expansion bracket 31, when expansion bracket 31 is along main frame
When frame 1 moves, the turnabout roller 414 of the first turnabout roller 413 and second coordinates belt stretcher, makes conveyer belt 42 all the time
In tensioning state.
As another preferred scheme of the present embodiment, in order to improve the operation of ribbon conveyer described in the utility model peace
Quan Xing, as shown in figure 5, the front end of the expansion bracket 31 is provided with anti-collision switch 9, the anti-collision switch 9 is solid by rubber buffer 91
It is scheduled on expansion bracket 31, the anti-collision switch 9 is normally open, when adjusting telescoping mechanism 3 and elevating mechanism 2, such as expansion bracket 31
Front end collided with extraneous, anti-collision switch 9, which is extruded, to be pressed, and anti-collision switch 9 is in closure "on" position, and controller 5 controls defeated
Drive device is sent to power off.
As another preferred scheme of the present embodiment, as shown in Fig. 1, Fig. 3 and Fig. 4, the front portion of mainframe 1 is provided with
Infrared emission transmitter 7, is provided with infrared emission transmitter 8 on the expansion bracket 31, the infrared emission transmitter 7 and infrared
It is connected with the controller 5 to penetrating transmitter 8, to detect the displacement of telescoping mechanism 3, is retracted when telescoping mechanism 3 stretches out
During to extreme position, the automatic alarm of infrared emission transmitter 8 on expansion bracket 31.Likewise, the middle part of mainframe 1 is installed
There is infrared emission transmitter 7, infrared emission transmitter 8 is installed in the rotating shaft of the road wheel 21, to detect elevating mechanism 2
Adjustable height, when elevating mechanism 2 is risen or fallen to extreme position, the infrared emission transmitter 8 in the rotating shaft of road wheel 21
Automatic alarm, avoid triggering accident because operator's misoperation or supervision are not in place, reduce rate of breakdown.
And in the present embodiment, the flexible decelerator 33 and lifting decelerator 26 use Worm Wheel System shape
Formula, worm gear structure have auto-lock function, can ensure telescoping mechanism 3 and elevating mechanism 2 remains stationary at setting position
State, will not automatic moving, and then improve the safety coefficient of ribbon conveyer.
The operating process of ribbon conveyer described in the utility model is referring specifically to Fig. 6.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design marrow is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical scheme of utility model is made, all should fall into the scope of protection of the utility model.
Claims (10)
1. a kind of ribbon conveyer, including mainframe (1) in truss structure, the lifting that is arranged on below in the middle part of mainframe (1)
Mechanism (2), be arranged on the anterior telescoping mechanism (3) of mainframe (1) and with mainframe (1) and telescoping mechanism (3) mating connection
Conveying mechanism (4), in addition to the controller (5) being arranged on mainframe (1);It is characterized in that:The elevating mechanism (2) includes
Road wheel (21), support frame (22), link (23) and lifting drive;The lower end of support frame as described above (22) and link
(23) lower end is hinged in the rotating shaft of road wheel (21), under the upper end of support frame as described above (22) and the front portion of mainframe (1)
Face is slidably connected, and the upper end of the link (23) is hinged on the rear portion of mainframe (1);The lifting drive includes lifting
Motor (25), it is rotatably connected on the link (23) and the wiring roller (211) on the jointed shaft of mainframe (1), one
The rope (24) on wiring roller (211) that is intertwined and connected is held, and is rotatably connected on the link (23) and support frame
(22) some rope sheaves (210) on, the lifting motor (25) pass sequentially through shaft coupling, lifting decelerator (26) and sprocket wheel
Mechanism (27) is fixedly connected with the rotating shaft of wiring roller (211);The rope (24) is wound on each rope sheave (210) back and forth, and restricts
The other end of rope (24) is connected in rope sheave (210) rotating shaft on the link (23), and rope (24) is in wiring roller (211)
Upper winding is unreeled to pull axis of rotation of the support frame (22) along road wheel, realizes that mainframe (1) rises or falls.
2. ribbon conveyer according to claim 1, it is characterised in that:The telescoping mechanism (3) includes expansion bracket (31)
And retractable driving device, the expansion bracket (31) are slidably connected at the front portion of mainframe (1);The retractable driving device includes chain
Wheel (35), chain (34) and telescopic drive motor (32), the chain (34) are fixed on expansion bracket (31) below, the sprocket wheel
(35) rotating shaft is fixedly connected by shaft coupling and flexible decelerator (33) with telescopic drive motor (32), and sprocket wheel (35) and chain
Bar (34) is engaged, and telescopic drive motor (32) band movable sprocket (35) is rotated to drive expansion bracket (31) to be slided along mainframe (1).
3. ribbon conveyer according to claim 2, it is characterised in that:The flexible decelerator (33) and lifting decelerator
(26) Worm Wheel System form is used.
4. ribbon conveyer according to claim 2, it is characterised in that:Expansion bracket (31) front end is provided with anti-rush open
Close (9), the anti-collision switch is fixed on expansion bracket (31) by rubber buffer (91), and anti-collision switch (9) and the control
Device (5) connects.
5. ribbon conveyer according to claim 1 or 2, it is characterised in that:The expansion bracket (31) connects with mainframe (1)
Contact portion position is provided with pulley (36);Support frame as described above (22) has roller (29), the roller with the end set that mainframe (1) contacts
In the slide rail below mainframe (1) front portion, and the rear and front end of the slide rail is both provided with block piece (28).
6. ribbon conveyer according to claim 1 or 2, it is characterised in that:Mainframe (1) front portion is provided with infrared
To penetrating transmitter (7), infrared emission receiver (8) is installed on the expansion bracket (31), to detect the movement of telescoping mechanism (3)
Distance;Infrared emission transmitter (7) is installed in the middle part of the mainframe (1), is provided with the rotating shaft of the road wheel (21) red
Outside to penetrating receiver (8), to detect the adjustable height of elevating mechanism (2);The infrared emission transmitter (7) and infrared emission connect
Device (8) is received to be connected with the controller (5).
7. ribbon conveyer according to claim 1, it is characterised in that:The conveying mechanism (4) includes being arranged on main frame
Some groups of carrying rollers (41) on frame (1) and expansion bracket (31), the conveyer belt (42) being laid on carrying roller (41) and feed drive
Motor (43), the feed drive motor (43) are consolidated by shaft coupling and conveying decelerator (44) and the rotating shaft of one group of carrying roller (41)
Fixed connection;Include transition carrier roller (45), load-carrying carrying roller (46) and deviation-adjusting carrier roller (47) in the carrying roller (41).
8. ribbon conveyer according to claim 7, it is characterised in that:Expansion bracket (31) front portion is provided with belt
Tight device, the belt stretcher include tensioning wheel (48), tension pulley seat (411), traction screw (49) and U-shaped card (412);Institute
Tension pulley seat (411) is stated to be slidably connected on expansion bracket (31);The tensioning wheel (48) is rotatably connected on two by spherical bearing
Between individual tension pulley seat (411);The one end for the traction screw (49) being screwed on expansion bracket (31) is fixed with tension pulley seat (411)
Connection, the other end are provided with runner (410);The U-shaped card (412) is resisted against behind tension pulley seat (411), to limit tensioning wheel
(48) position on expansion bracket (31);Expansion bracket (31) rear end is provided with the first turnabout roller (413), the mainframe
(1) the second turnabout roller (414) is provided below in front portion, and the conveyer belt (42) being laid on the mainframe (1) passes sequentially through
Second turnabout roller (414) and the first turnabout roller (413) are connected with the conveyer belt (42) being laid on expansion bracket (31).
9. ribbon conveyer according to claim 1, it is characterised in that:Mainframe (1) rearward lower is provided with ten thousand
To wheel (6), the road wheel (21) of the universal wheel and elevating mechanism (2) collectively constitutes travel mechanism.
10. ribbon conveyer according to claim 1, it is characterised in that:Fender bracket is provided with outside the mainframe (1)
(11)。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720464528.3U CN206679768U (en) | 2017-04-28 | 2017-04-28 | A kind of ribbon conveyer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720464528.3U CN206679768U (en) | 2017-04-28 | 2017-04-28 | A kind of ribbon conveyer |
Publications (1)
Publication Number | Publication Date |
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CN206679768U true CN206679768U (en) | 2017-11-28 |
Family
ID=60405572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720464528.3U Expired - Fee Related CN206679768U (en) | 2017-04-28 | 2017-04-28 | A kind of ribbon conveyer |
Country Status (1)
Country | Link |
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CN (1) | CN206679768U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108217125A (en) * | 2017-12-28 | 2018-06-29 | 姚明武 | A kind of rice carriage |
CN108516289A (en) * | 2018-04-08 | 2018-09-11 | 芜湖超源力工业设计有限公司 | A kind of conservancy concrete conveying equipment |
CN108622356A (en) * | 2018-04-09 | 2018-10-09 | 西北工业大学 | A kind of aquatic bionic Computation of Flexible Flapping-Wing propulsion device |
CN113928799A (en) * | 2021-10-15 | 2022-01-14 | 宁夏天地西北煤机有限公司 | Tape storage bin |
US11377298B2 (en) | 2018-04-25 | 2022-07-05 | Autostore Technology AS | Container handling vehicle with first and second sections and lifting device motor in second section |
-
2017
- 2017-04-28 CN CN201720464528.3U patent/CN206679768U/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108217125A (en) * | 2017-12-28 | 2018-06-29 | 姚明武 | A kind of rice carriage |
CN108516289A (en) * | 2018-04-08 | 2018-09-11 | 芜湖超源力工业设计有限公司 | A kind of conservancy concrete conveying equipment |
CN108622356A (en) * | 2018-04-09 | 2018-10-09 | 西北工业大学 | A kind of aquatic bionic Computation of Flexible Flapping-Wing propulsion device |
CN108622356B (en) * | 2018-04-09 | 2019-06-21 | 西北工业大学 | A kind of aquatic bionic Computation of Flexible Flapping-Wing propulsion device |
US11377298B2 (en) | 2018-04-25 | 2022-07-05 | Autostore Technology AS | Container handling vehicle with first and second sections and lifting device motor in second section |
US11465842B2 (en) | 2018-04-25 | 2022-10-11 | Autostore Technology AS | Container handling vehicle with first and second sections and larger wheel motors on two of the wheels in the second section |
US11891246B2 (en) | 2018-04-25 | 2024-02-06 | Autostore Technology AS | Container handling vehicle with first and second sections and lifting device motor in second section |
US11912498B2 (en) | 2018-04-25 | 2024-02-27 | Autostore Technology AS | Container handling vehicle with first and second sections and assembly of motors in second section for driving at least one wheel of each of the sets of wheels |
CN113928799A (en) * | 2021-10-15 | 2022-01-14 | 宁夏天地西北煤机有限公司 | Tape storage bin |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171128 |