CN105036012A - Manual carrier with locking mechanism - Google Patents
Manual carrier with locking mechanism Download PDFInfo
- Publication number
- CN105036012A CN105036012A CN201510547612.7A CN201510547612A CN105036012A CN 105036012 A CN105036012 A CN 105036012A CN 201510547612 A CN201510547612 A CN 201510547612A CN 105036012 A CN105036012 A CN 105036012A
- Authority
- CN
- China
- Prior art keywords
- latch
- pallet fork
- clamping ring
- vertical rod
- transport trolley
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Handcart (AREA)
Abstract
The invention discloses a manual carrier with a locking mechanism. The manual carrier comprises a frame, a handle, a stamping ascending device, a hydraulic cylinder and the locking mechanism, wherein the frame is composed of a pallet fork, a front plate, a top plate and a bearing base; the handle is composed of a handrail and a vertical rod, and a sleeve on the vertical rod is connected with the top plate; the stamping ascending device is connected with the bearing base and comprises a parallelogram mechanism and a second-grade rod group; the hydraulic cylinder is connected with the bearing base; the locking mechanism is composed of a clamping ring and a locking block; the vertical rod is sleeved with the clamping ring, and a shifting body extending outwards in the radial direction is arranged on the clamping ring; the locking block is hinged to the support and provided with a shifted body extending towards the shifting body, and the outer side of the lower end of the locking block is provided with a tooth-shaped protruding portion; and after the pallet fork ascends, the shifting body can make contact with the shifted body when the handle is rotated so as to enable the locking block to rotate, and the tooth-shaped protruding portion and a connecting frame rod of the parallelogram mechanism are clamped. According to the manual carrier, rapid ascending is ensured, and reliable locking is achieved after ascending while slow descending is achieved.
Description
Technical field
The present invention relates to a kind of device for carrying heavy object, particularly a kind of manual type transport trolley.
Background technology
Manual type transport trolley to hoist handbarrow as one, be widely used in factory floor, warehouse and logistics, that commonly uses in existing manual transport trolley has a kind of hand hydraulic carrier, the vehicle frame of this hand hydraulic carrier, because including the load platform of one group of pallet fork form, is therefore generally referred to as manual pallet trucks again.The vehicle frame top board that the structure of this transport trolley also comprises handle, supporting base, the oil pump be arranged on supporting base, hydraulic actuating cylinder and is connected with the piston rod upper end of hydraulic actuating cylinder, be connected by header board between top board with pallet fork, oil pump and hydraulic actuating cylinder are as the power system of transport trolley, and hoisting of pallet fork needs Driven by Hydraulic Cylinder to complete.When goods declines, the weight of pallet fork and goods makes vehicle frame automatic fall-back to bottom.In use procedure, be in different gears by control handle and regulate the hoisting of vehicle frame, neutral and decline.Prior art hoists in process to be needed constantly back and forth to press handle, liquid dielectric is made constantly to enter in hydraulic actuating cylinder rodless cavity from oil pump, promote piston rod upward movement, vehicle frame top board gets a promotion, pallet fork and cargo lifting, therefore existing hydraulic forklift hoists comparatively slow, is to improve handling efficiency, and this hand hydraulic carrier average velociity that hoists should increase.In addition, when hoisting heavy object, because handle needs constantly back and forth pressing, this hand hydraulic carrier is made to need enough operational spaces when operation.In order to shorten hoisting time and reduction operation space, can introduce to step on rising device, utilizing connecting rod mechanism lever augmented by cargo lifting to realize, for ensureing that the manual transport trolley of this form hoists and delivers safety, the secure ratcs problem after pallet fork hoists needs to solve.
Summary of the invention
The technical matters that the present invention solves is, provides a kind of manual transport trolley with locking mechanism, and this manual transport trolley can not only fast lifting goods, improves handling efficiency, can also ensure that pallet fork continues to keep its status safety delivery that hoists.
The present invention solves the problems of the technologies described above and realizes by the following technical solutions: a kind of manual transport trolley of locking machine mechanism, it comprises the vehicle frame be made up of pallet fork, header board, top board and supporting base, pallet fork front end shaft clevis wheel, connecting rod assembly on the downside of pallet fork take turns with fork and lever reel cage on header board is connected for being propped up pallet fork front end, and lever reel cage is connected with supporting base; The handle be made up of handrail and vertical rod, handrail is placed in vertical rod upper end, and vertical rod lower end is connected with bull wheel through described supporting base, and the sleeve in vertical rod is connected with described top board; Rise device with described supporting base by stepping on of being connected of support, this device is made up of a set of connecting rod mechanism that can be analyzed to a parallel-crank mechanism and a secondary bar group; And the throttling to be connected with described supporting base is slow falls hydraulic actuating cylinder; Comprise lockable mechanism in addition, this lockable mechanism is made up of clamping ring and latch; Clamping ring is placed on described vertical rod periphery, it has the master radially outward stretched out and dials body; Latch is articulated with on described support, it has to main dial that body direction stretches out dialled body, latch lower end has dentation protrusion in the outer part; Described stepping on rises after pallet fork hoists by device, master on described clamping ring dials body can when rotating described handle, contact with the body of being dialled on described latch and latch is rotated around its hinge-point, the dentation protrusion on latch clamps with the side link stepping on the parallel-crank mechanism rising device.
In technique scheme, introduce lockable mechanism and be in for keeping pallet fork the state of hoisting, this lockable mechanism has clamping ring and latch, and therefore structure is simple, is convenient to making and installation; To step on rise device apply active force pallet fork is hoisted to a high position, step on due to lever principle the parallel-crank mechanism rising device and will go to low level, turning handle makes clamping ring rotate with vertical rod, main body of dialling just is exerted a force to dialling body, latch rotates, dentation protrusion contacts with the side link of parallel-crank mechanism, now cancel and stepping on the active force rising and device applies, goods and vehicle frame deadweight make to step on and rise device and have reseting movement trend, now dentation protrusion be convenient to side link clamping, therefore, it is possible to realize pallet fork hoist after secure ratcs.
As a kind of preferred version of the present invention's manual transport trolley with locking mechanism, described clamping ring also arranges tightening screw.Due to the master on clamping ring dial body need contact and can stir on latch by dial body, and latch and support hinged, therefore above-mentioned setting is adopted, can the position of the relative latch of adjustable clamp collar more neatly, namely main body of dialling is dialled the position of body relatively, and tightening screw after adjustment puts in place can be fixed on clamping ring in vertical rod.
As the another kind of preferred version to the present invention's manual transport trolley with locking mechanism, it is cylindrically coiled spring or caoutchouc elasticity flexible pipe that the master on described clamping ring dials body.In above-mentioned setting, main body of dialling adopts spring or rubber tube, add that main to dial body flexible, both can make to be dialled body when turning handle and obtain corresponding sports, when can avoid again turning handle adjustment bull wheel direction in carrying master dial body and around miscellaneous part there is rigid interference.
As another preferred version to manual transport trolley of the present invention, described support is provided with block outside latch.This set, makes latch turn to block place limited, both can prevent latch from having unnecessary rotational action, can ensure that again latch coordinates with connecting rod mechanism side link at its dentation protrusion place and clamp.
As another preferred version to manual transport trolley of the present invention, described step on the secondary bar group rising device comprise the connecting rod hinged with the side link of described parallel-crank mechanism, with connecting rod and the hinged U-shaped upper frame of described support, this U-shaped upper frame is provided with the projection coordinated with described sleeve lower surface.It is simple that this arranges structure, coordinated with sleeve lower end by the projection on U-shaped frame, makes to step on the active force amplification risen on device and be passed to U-shaped frame high spot, sleeve is moved along vertical rod.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the present invention's non-lift structure schematic diagram of manual transport trolley with locking mechanism.
Fig. 2 is structural representation after the present invention's manual transport trolley with locking mechanism promotes.
Fig. 3 is the lockable mechanism structural representation of the present invention's manual transport trolley with locking mechanism.
1. fork wheel 2. pallet fork 3. header board 4. sleeve 5. top board 6. vertical rod 7. handrail 8. side link I 9. stretcher 10. side link II 11. right support 12. supporting base 13. connecting rod assembly 14. bull wheel 15. left socle I 16. left socle II 17. reel cages in Fig. 1.
Protruding 20. block 21. connecting rod 22. hydraulic actuating cylinders of 18.U type upper frame 19. in Fig. 2.
In Fig. 3,6. vertical rod 23. latch 24. dentation protrusions 25. are dialled main group body 27. clamping ring 28. tightening screw of body 26..
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 shows, the vehicle frame of the manual transport trolley that the present invention is with locking mechanism is made up of pallet fork 2, header board 3, top board 5 and supporting base 12, pallet fork 2 front end shaft clevis wheel 1, connecting rod assembly 13 on the downside of pallet fork 2 is connected with the lever reel cage 17 on fork wheel 1 and header board 3 and is used for pallet fork 2 front end to prop up, and lever reel cage 17 is connected with supporting base 12; Handle is made up of handrail 7 and vertical rod 6, and handrail 7 is placed in vertical rod 6 upper end, and vertical rod 6 lower end is connected with bull wheel 14 through supporting base 12, and the sleeve 4 in vertical rod 6 is connected with top board 5; Step on and rise device and be connected by support with supporting base 12, support here comprises right support 11, left socle I 15 and left socle II 16, steps on to rise device and be made up of a set of connecting rod mechanism that can be analyzed to a parallel-crank mechanism and a secondary bar group; Manual transport trolley of the present invention also comprises that the throttling that is connected with supporting base 12 is slow falls hydraulic actuating cylinder 22; In addition the lockable mechanism of manual transport trolley of the present invention is made up of clamping ring 27 and latch 23; Clamping ring 27 is placed on vertical rod 6 periphery, it has the master radially outward stretched out and dials body 26; Latch 23 is articulated with on right support 11, it has to main dial that body 26 direction stretches out dialled body 25, latch 23 lower end has dentation protrusion 24 in the outer part.
The clamping ring 27 of the lockable mechanism of manual transport trolley of the present invention also arranges tightening screw 28, can the position of the relative latch 23 of flexible clamping ring 27, namely the main body 26 of dialling of adjustment is dialled the position of body 25 relatively, make both fully contacts, tightening screw 28 after adjustment puts in place can be fixed in vertical rod 6 by clamping ring 27; Master on clamping ring 27 dials body 26 for cylindrically coiled spring, also rubber spring flexible pipe can be selected, both can make to be dialled body 25 when turning handle and obtain corresponding sports, when to avoid again in carrying turning handle adjustment bull wheel 14 direction master dial body 26 and around miscellaneous part there is rigid interference; Right support 11 in support is provided with block 20 outside the latch 23, can make latch 23 spacing with side link I 8 clamping place, avoid unnecessary rotational action.
The stepping on of manual transport trolley of the present invention rises parallel-crank mechanism in device and comprises stretcher 9, side link I 8 and side link II 10, wherein stretcher 9 and side link I 8 and side link II 10 hinged, side link I 8 and left socle I 15 and left socle II 16 hinged, side link II 10 is hinged with left socle I 15; Secondary bar group comprise the connecting rod 21 hinged with the side link I 8 of parallel-crank mechanism, with connecting rod 21 and the hinged U-shaped upper frame 18 of support I 8, this U-shaped upper frame 18 is provided with the projection 19 coordinated with sleeve 4 lower surface.
The throttling of manual transport trolley of the present invention is slow falls hydraulic actuating cylinder 22, its piston rod is connected with sleeve 4 and/or top board 5 indirectly, sleeve 4 and/or top board 5 rise, in hydraulic actuating cylinder 22, liquid enters rodless cavity from rod chamber, sleeve 4 and/or top board 5 decline, in hydraulic actuating cylinder 22, liquid enters rod chamber from rodless cavity, because piston divides into flow regulator pieces, can play to delay and fall effect.
Promote the handrail 7 of manual transport trolley of the present invention, moved to goods vantage point place to be handled, goods is positioned on pallet fork 2, transport trolley is stepped on and rises stretcher 9 in device and impose downward application force, side link I 8 and side link II 10 rotate around it and a little rotate, and the point of connection pulling the U-shaped upper frame 18 in secondary bar group around all the other right supports 11 rotates by the connecting rod 21 be connected with side link I 8, projection 19 on U-shaped upper frame 18 coordinates with sleeve 4 lower surface, by sleeve 4 along vertical rod 6 upwards jack-up, sleeve 4 drives top board 5 to move up along vertical rod 6, pallet fork 2 rear end is hoisted, drive lever reel cage 17 and connecting rod assembly 13 move by hoisting of header board 3, pallet fork 2 front end is propped up, pallet fork 2 and goods obtain fast lifting.
The handrail 7 of turning handle makes vertical rod 6 rotate, master on clamping ring 23 dials body 26 and contacts with the body 25 of being dialled on latch 23 and latch 23 is rotated around the hinge-point of itself and right support 11, dentation protrusion 24 on latch 23 contacts with the side link I 8 stepping on the parallel-crank mechanism rising device, due to the effect of block 20, latch 23 can stop operating after contact side link I 8, eliminate the application force to stretcher 9 applies, under the Gravitative Loads of pallet fork 2 and goods, parallel-crank mechanism is by the trend that resets, stretcher 9 has upwards movement tendency, therefore the dentation protrusion 24 of latch 23 can clamp with side link I 8, make to step on and rise device and obtain secure ratcs, now bull wheel 14 is ajusted by turning handle, can by promotion handrail 7, cargo security is carried to assigned address.
Hoist in process at pallet fork 2, because the piston rod of hydraulic actuating cylinder 22 is connected with sleeve 4 and/or top board 5 indirectly, piston rod will with sleeve 4 and/or top board 5 upward movement, the liquid dielectric of hydraulic actuating cylinder 22 rod chamber and piston upper end compresses flow regulator pieces, gap between piston and flow regulator pieces will expand, liquid dielectric can enter in rodless cavity fast, does not affect the lifting velocity of pallet fork 2.
Goods needs unloading after arriving appointed place, now need to apply downward application force to stretcher 9, dentation protrusion 24 on latch 23 will swing towards its center of gravity direction, depart from side link I 8, cancel the application force on stretcher 9, under goods and the effect of pallet fork 2 self gravitation, pallet fork 2 starts to decline, top board 5 is with moving sleeve 4 to decline, the projection 19 of sleeve 4 lower surface to U-shaped upper frame 18 exerts a force, U-shaped upper frame 18 is rotated around the point of connection of itself and right support 11, U-shaped upper frame 18 other end will pull connecting rod 21 that side link I 8 is rotated backward, side link II 10 and stretcher 9 counter motion are to initial position.Header board 3 and pallet fork 2 decline, and drive lever reel cage 17 and connecting rod assembly 13 are moved, and pallet fork 2 front end is fallen, and pallet fork 2 and cargo security decline.
In the process that pallet fork 2 declines, because the piston rod of hydraulic actuating cylinder 22 is connected with sleeve 4 and/or top board 5 indirectly, piston rod will move downward with sleeve 4 and/or top board 5, the liquid dielectric of hydraulic actuating cylinder 22 rodless cavity and piston compresses flow regulator pieces, gap between piston and flow regulator pieces will reduce, and the resistance that liquid dielectric flows into rodless cavity from rod chamber increases, and liquid dielectric can slowly enter in rod chamber, affect the descending speed of pallet fork 2, be enough to ensure that goods and pallet fork 2 steadily decline.
Manual transport trolley of the present invention at guarantee fast lifting, while slowly declining, can achieve the secure ratcs after hoisting, add transport trolley hoist after safe carriage coefficient, and lockable mechanism structure is simple, and be convenient to processing and install, operation is simple for locking.Manual transport trolley lockable mechanism of the present invention rises device action and separates and carry out with stepping on, and is closely connected again, rises compared with device self-locking locking mechanism with stepping on, and simplifies to step on to rise apparatus structure, makes manual transport trolley compact overall structure succinct simultaneously.
Finally illustrate that the manual transport trolley with locking mechanism that above embodiment is mentioned is not limited to this case and provides diagram.Those of ordinary skill in the art should be appreciated that and can modify to technical scheme of the present invention or equivalent replacement, and does not depart from aim and the scope of technical solution of the present invention, and it all should be encompassed in the middle of right of the present invention.
Claims (5)
1. a manual transport trolley for locking machine mechanism, it comprises
-the vehicle frame that is made up of pallet fork (2), header board (3), top board (5) and supporting base (12), pallet fork (2) front end shaft clevis wheel (1), the connecting rod assembly (13) of pallet fork (1) downside is connected with the fork lever reel cage (17) of taking turns on (1) and header board (3) and is used for pallet fork (2) front end to prop up, and lever reel cage (17) is connected with supporting base (12);
-the handle that is made up of handrail (7) and vertical rod (6), handrail (7) is placed in vertical rod (6) upper end, and vertical rod (6) lower end is connected with bull wheel (14) through described supporting base (12), and the sleeve (4) in vertical rod (6) is connected with described top board (5);
-with described supporting base (12) by support (11; 15; 16) stepping on of connecting rises device, and this device is made up of a set of connecting rod mechanism that can be analyzed to a parallel-crank mechanism and a secondary bar group; And
-the throttling that is connected with described supporting base (12) is slow falls hydraulic actuating cylinder (22);
It is characterized in that:
Also comprise lockable mechanism, this lockable mechanism is made up of clamping ring (27) and latch (23); Clamping ring (27) is placed on described vertical rod (6) periphery, it has the master radially outward stretched out and dials body (26); Latch (23) is articulated with on described support (11), it has to main dial that body (26) direction stretches out dialled body (25), latch (23) lower end has dentation protrusion (24) in the outer part;
Described stepping on rises after pallet fork (2) hoists by device, master on described clamping ring (27) dials body (26) can when rotating described handle, contact with the body (25) of being dialled on described latch (23) and latch (23) is rotated around its hinge-point, the dentation protrusion (24) on latch (23) clamps with the side link (8) stepping on the parallel-crank mechanism rising device.
2. manual transport trolley with locking mechanism according to claim 1, is characterized in that: described clamping ring (27) is also arranged tightening screw (28).
3. manual transport trolley with locking mechanism according to claim 1, is characterized in that: the master on described clamping ring (27) dials body (26) for cylindrically coiled spring or caoutchouc elasticity flexible pipe.
4. manual transport trolley with locking mechanism according to claim 1, is characterized in that: described support (11) is upper is provided with block (20) near latch (23) outside.
5. manual transport trolley with locking mechanism according to claim 1, it is characterized in that: described in step on the secondary bar group rising device comprise the connecting rod (21) hinged with the side link of described parallel-crank mechanism (8), with connecting rod (21) and the hinged U-shaped upper frame (18) of described support (11), this U-shaped upper frame (18) is provided with the projection (19) coordinated with described sleeve (4) lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510547612.7A CN105036012B (en) | 2015-08-31 | 2015-08-31 | Manual transport trolley with locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510547612.7A CN105036012B (en) | 2015-08-31 | 2015-08-31 | Manual transport trolley with locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105036012A true CN105036012A (en) | 2015-11-11 |
| CN105036012B CN105036012B (en) | 2017-12-12 |
Family
ID=54443066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510547612.7A Expired - Fee Related CN105036012B (en) | 2015-08-31 | 2015-08-31 | Manual transport trolley with locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105036012B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584957A (en) * | 2016-03-11 | 2016-05-18 | 山东建筑大学 | Ratchet wheel locking manual carrier |
| CN110357003A (en) * | 2019-07-15 | 2019-10-22 | 厦门大学嘉庚学院 | A kind of small-sized forklift and its working method |
| CN115259024A (en) * | 2022-07-20 | 2022-11-01 | 诺力智能装备股份有限公司 | Frame structure and carrier applying same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08157192A (en) * | 1994-12-02 | 1996-06-18 | Ohbayashi Corp | Forklift type carriage to transfer cargo inside and outside of elevator |
| CN102556889A (en) * | 2011-12-11 | 2012-07-11 | 富泰华精密电子（郑州）有限公司 | Lifting mechanism with connecting rod |
| CN202671108U (en) * | 2012-06-05 | 2013-01-16 | 朱坤东 | Anti-falling horizontal hydraulic jack |
| CN203048509U (en) * | 2012-04-22 | 2013-07-10 | 龙工(上海)机械制造有限公司 | Battery jar pull-out mechanism for storage battery forward fork lift |
| CN203996343U (en) * | 2014-07-25 | 2014-12-10 | 浙江中力机械有限公司 | A kind of electrical structure of transport trolley |
| CN104817042A (en) * | 2015-04-09 | 2015-08-05 | 山东建筑大学 | Hydraulic forklift |
-
2015
- 2015-08-31 CN CN201510547612.7A patent/CN105036012B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08157192A (en) * | 1994-12-02 | 1996-06-18 | Ohbayashi Corp | Forklift type carriage to transfer cargo inside and outside of elevator |
| CN102556889A (en) * | 2011-12-11 | 2012-07-11 | 富泰华精密电子（郑州）有限公司 | Lifting mechanism with connecting rod |
| CN203048509U (en) * | 2012-04-22 | 2013-07-10 | 龙工(上海)机械制造有限公司 | Battery jar pull-out mechanism for storage battery forward fork lift |
| CN202671108U (en) * | 2012-06-05 | 2013-01-16 | 朱坤东 | Anti-falling horizontal hydraulic jack |
| CN203996343U (en) * | 2014-07-25 | 2014-12-10 | 浙江中力机械有限公司 | A kind of electrical structure of transport trolley |
| CN104817042A (en) * | 2015-04-09 | 2015-08-05 | 山东建筑大学 | Hydraulic forklift |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584957A (en) * | 2016-03-11 | 2016-05-18 | 山东建筑大学 | Ratchet wheel locking manual carrier |
| CN105584957B (en) * | 2016-03-11 | 2017-04-05 | 山东建筑大学 | Ratchet locking manual transport trolley |
| CN110357003A (en) * | 2019-07-15 | 2019-10-22 | 厦门大学嘉庚学院 | A kind of small-sized forklift and its working method |
| CN110357003B (en) * | 2019-07-15 | 2024-04-12 | 厦门大学嘉庚学院 | Small forklift and working method thereof |
| CN115259024A (en) * | 2022-07-20 | 2022-11-01 | 诺力智能装备股份有限公司 | Frame structure and carrier applying same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105036012B (en) | 2017-12-12 |
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Granted publication date: 20171212 Termination date: 20190831 |