CN113942960B - Synchronous self-positioning lifting mechanism for forklift - Google Patents
Synchronous self-positioning lifting mechanism for forklift Download PDFInfo
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- CN113942960B CN113942960B CN202111304786.2A CN202111304786A CN113942960B CN 113942960 B CN113942960 B CN 113942960B CN 202111304786 A CN202111304786 A CN 202111304786A CN 113942960 B CN113942960 B CN 113942960B
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- driving
- lead screw
- fork
- lifting mechanism
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- 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
-
- 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
- B66F9/07504—Accessories, e.g. for towing, charging, locking
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- 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
- B66F9/07559—Stabilizing means
-
- 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
-
- 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
- B66F9/24—Electrical devices or systems
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- 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)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to the technical field of forklift lifting equipment, and discloses a synchronous self-positioning lifting mechanism for a forklift, which comprises a driving box, wherein a driving shaft is arranged at the central position in the driving box, a driving belt wheel is arranged on the driving shaft, two sides of the driving belt wheel are connected with driven belt wheels through belts, the driven belt wheels are connected with a polished rod part of a lead screw, the bottom of the lead screw penetrates through the driving box to be arranged at the bottom of a fixing frame fixed on the driving box in a linkage manner, a threaded part of the lead screw is connected with a lifting block, a material fork is fixedly arranged at the front end of the lifting block, the bottom of the material fork is hinged with limiting rods, a limiting plate is fixedly arranged between the limiting rods, a touch column is arranged at the central position of the limiting plate in a sliding manner, and the top end of the touch column penetrates through the limiting plate to be connected with a touch plate. The invention realizes the synchronous rotation of the lead screw, finally ensures the synchronous movement of the material fork, and simultaneously only uses one servo driving mechanism in the whole device, thereby further reducing the device cost and ensuring the automatic positioning effect of the whole lifting mechanism.
Description
Technical Field
The invention relates to the technical field of forklift lifting equipment, in particular to a synchronous self-positioning lifting mechanism for a forklift.
Background
Fork trucks are industrial handling vehicles, and refer to various wheeled handling vehicles that perform handling, stacking, and short-distance transport operations on piece pallet goods. The International organization for standardization ISO/TC110 is referred to as an industrial vehicle. It is commonly used for transportation of large warehouse goods, and is usually driven by an oil-burning engine or a battery. Technical parameters of the forklift are used for indicating the structural characteristics and the working performance of the forklift. The main technical parameters are as follows: rated load lifting capacity, load center distance, maximum lifting height, gantry inclination angle, maximum running speed, minimum turning radius, minimum ground clearance, wheelbase and the like.
However, in the prior art, the lifting structure of the forklift mostly uses two sets of lifting mechanisms driven by servo drive screws to respectively drive the workpiece to lift, and the using process has the following disadvantages: 1. the lifting synchronism is poor, and the synchronous lifting of two sides is difficult to ensure; 2. two sets of servo driving devices are used, so that the manufacturing cost is high. Therefore, further improvements are needed.
Disclosure of Invention
The invention aims to provide a synchronous self-positioning lifting mechanism for a forklift, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a synchronous self-align elevating system for fork truck, includes the drive case, the inside central point of drive case puts the installation drive shaft, installs driving pulley in the drive shaft, and the driving pulley both sides are connected with from the driving pulley through the belt, and from the driving pulley is connected with the polished rod part of lead screw, the lead screw bottom passes the drive case and even rotates and set up in fixing the mount bottom on the drive case, the screw thread part of lead screw is connected with the elevator, and the elevator front end is fixed to be installed and is expected the fork, and it has the gag lever post to articulate bottom the material fork, fixed mounting limiting plate between the gag lever post, limiting plate central point put to slide and be provided with to the touch post, and the touch post top is passed limiting plate and is connected with to the touch panel.
As a modified scheme of the invention: the driving shaft is connected with the output end of a driving motor through a reduction gearbox, the reduction gearbox is fixed at the bottom of the driving box, and the driving motor is fixed on the reduction gearbox.
As a modified scheme of the invention: the driving belt wheel is of a double-groove belt wheel structure.
As a modified scheme of the invention: the fixed frame is provided with a fixed groove, and a guide post fixed on the lifting block slides in the fixed groove.
As a modified scheme of the invention: and a guide spring is arranged between the guide post and the bottom of the inner side of the fixing groove.
As a modified scheme of the invention: and an abutting spring is sleeved outside the abutting column between the abutting plate and the limiting plate.
As a modified scheme of the invention: and the bottom of the abutting column penetrates through the limiting plate mounting baffle.
As a modified scheme of the invention: the bottom of the lead screw is arranged on the fixed frame through a bearing seat.
As a modified scheme of the invention: the driving motor is a double-steering stepping motor.
Compared with the prior art, the invention has the beneficial effects that:
the utility model provides a synchronous self-align elevating system for fork truck, rational in infrastructure, and the modern design, mutually support between driving pulley and the driven pulleys through setting up, the synchronous rotation of lead screw has been realized, the synchronous motion of material fork has finally been ensured, only use a servo drive mechanism in the whole device simultaneously, the device cost has further been reduced, and through the gag lever post that sets up, conflict board and to the mutually supporting of touch post, whole elevating system's automatic positioning effect has further been ensured, therefore, the clothes hanger is strong in practicability, and high reliability.
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic overall rear view of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
fig. 4 is a schematic view of the internal structure of the driving box of the present invention.
In the figure: 1. a drive box; 2. a fixed mount; 3. a material fork; 4. a lead screw; 5. a lifting block; 6. a reduction gearbox; 7. a touch plate; 8. a limiting rod; 9. a limiting plate; 10. a baffle plate; 11. a contact post; 12. against the spring; 13. a bearing seat; 14. a guide post; 15. a guide spring; 16. a fixing groove; 17. a drive motor; 18. a driving pulley; 19. a driven pulley; 20. a belt; 21. a drive shaft.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the present invention, and further, the terms "first", "second", and the like are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", and the like may explicitly or implicitly include one or more such features, and in the description of the present invention, unless otherwise indicated, "plurality" means two or more than two.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and a person skilled in the art may understand the specific meaning of the above terms in the present invention through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Referring to fig. 1 to 4, in the embodiment of the invention, a synchronous self-positioning lifting mechanism for a forklift comprises a driving box 1, a driving shaft 21 is installed at the central position inside the driving box 1, a driving pulley 18 is installed on the driving shaft 21, driven pulleys 19 are connected to two sides of the driving pulley 18 through belts 20, the driven pulleys 19 are connected with a polished rod portion of a lead screw 4, the driving shaft 21 directly drives the driving belt 18 to rotate in the rotating process, then the two lead screws 4 synchronously rotate under the cooperation of the driven pulleys 19, the bottom of the lead screw 4 penetrates through the driving box 1 to be rotatably arranged at the bottom of a fixing frame 2 fixed on the driving box 1, a threaded portion of the lead screw 4 is connected with a lifting block 5, further, the rotary motion of the lead screw 4 is converted into the vertical linear motion of the lifting block 5, a material supporting fork 3 is fixedly arranged at the front end of the lifting block 5, the material supporting fork 3 is used for realizing the lifting effect on a material, a limiting rod 8 is hinged to the bottom of the material supporting fork 3, a limiting plate 9 is fixedly installed between the limiting plates 9, and the supporting plate can be used for ensuring the synchronous vertical motion of the supporting effect of the material supporting plate 3.
In one aspect of this embodiment, the driving shaft 21 is connected to the output end of the driving motor 17 through the reduction gearbox 6, the reduction gearbox 6 is fixed to the bottom of the driving box 1, the driving motor 17 is fixed to the reduction gearbox 6, and the driving motor 17 drives the driving shaft 21 to rotate under the speed reduction effect of the reduction gearbox 6, so that the power source of the whole lifting mechanism is finally ensured.
In one aspect of this embodiment, the driving pulley 18 is a double-groove pulley structure, so that the two lead screws 4 are rotated by the two belts 20.
In the condition of this embodiment, be provided with fixed slot 16 on the mount 2, fixed slot 16 is inside to be slided and to have the guide post 14 of fixing on elevator 5, and is concrete, through the cooperation between fixed slot 16 and the guide post 14, can carry out spacing direction to reciprocating of elevator 5, avoids its removal in-process to take place to rock, has further improved the reliability of device.
In the condition of this embodiment, 11 outside covers of conflict post between conflict board 7 and the limiting plate 9 are equipped with conflict spring 12, conflict spring 12 is used for carrying out the buffering formula to the removal of conflict board 7 spacing, has further improved elevating system's stability.
In one aspect of this embodiment, limiting plate 9 is passed to conflict post 11 bottom and baffle 10 is installed, baffle 10 has avoided conflict post 11 to slide out of limiting plate 9 in the upward removal in-process.
In one aspect of this embodiment, the bottom of the lead screw 4 is mounted on the fixing frame 2 through the bearing seat 13, which further ensures the stability of the lead screw 4 during rotation.
In one aspect of this embodiment, the driving motor 17 is a bi-directional stepping motor, so that bi-directional rotation of the lead screw 4 can be ensured, and the stability of the device can be further improved.
Example 2
In another embodiment of the present invention, the difference between the embodiment and the above embodiment is that a guide spring 15 is installed between the guide post 14 and the bottom inside the fixing groove 16, and the device stability is further improved by arranging the guide spring 15 and allowing the lifting block 5 to shake in a large range during the up and down movement under the action of the guide post 14.
The working principle of the invention is as follows: the during operation starts driving motor 17, and driving motor 17 is under the effect of the inside spare part of drive case 1 for lead screw 4 takes place synchronous rotation, finally under the effect of elevator 5, has ensured that the synchronization of material fork 3 reciprocates, has satisfied synchronous needs, and under the effect of conflict board 7 and conflict post 11, realized the self-align effect simultaneously, whole operation process is swift convenient and reliable.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a synchronous self-align elevating system for fork truck, includes drive case (1), its characterized in that, drive case (1) inside central point puts installation drive shaft (21), installs driving pulley (18) on drive shaft (21), and driving pulley (18) both sides are connected with from the driven pulleys (19) through belt (20), and from the driven pulleys (19) are connected with the polished rod part of lead screw (4), lead screw (4) bottom is passed drive case (1) and is rotated even and set up in mount (2) bottom fixing on drive case (1), the screw thread part of lead screw (4) is connected with elevator (5), and elevator (5) front end fixed installation material fork (3), and material fork (3) bottom articulates there are gag lever post (8), fixed mounting limiting plate (9) between gag lever post (8), and limiting plate (9) central point puts to slide and is provided with conflict post (11), and conflict post (11) top is passed limiting plate (9) and is connected with conflict board (7), conflict post (11) outside cover between conflict board (7) and is equipped with conflict post (11) and is equipped with conflict spring (12), conflict post (11) outside between conflict post (9) and pass limiting plate (10) installation baffle (11).
2. The synchronous self-positioning lifting mechanism for the forklift truck as claimed in claim 1, characterized in that the driving shaft (21) is connected with the output end of a driving motor (17) through a reduction gearbox (6), the reduction gearbox (6) is fixed at the bottom of the driving box (1), and the driving motor (17) is fixed on the reduction gearbox (6).
3. Synchronous self-positioning lifting mechanism for fork-lift trucks according to claim 1, characterized in that said driving pulley (18) is of double-grooved pulley structure.
4. The synchronous self-positioning lifting mechanism for fork-lift trucks according to claim 1, characterized in that said fixed frame (2) is provided with a fixed groove (16), inside which fixed groove (16) there slides a guide post (14) fixed on the lifting block (5).
5. The synchronized self-positioning lifting mechanism for fork-lift trucks according to claim 4, characterized in that a guide spring (15) is installed between the guide post (14) and the bottom inside the fixing groove (16).
6. Synchronous self-positioning lifting mechanism for fork-lift trucks according to claim 1, characterized in that the bottom of the lead screw (4) is mounted on the fixed frame (2) through a bearing block (13).
7. Synchronous self-positioning lifting mechanism for fork-lift trucks according to claim 2, characterized in that said driving motor (17) is a double-steering stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111304786.2A CN113942960B (en) | 2021-11-05 | 2021-11-05 | Synchronous self-positioning lifting mechanism for forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111304786.2A CN113942960B (en) | 2021-11-05 | 2021-11-05 | Synchronous self-positioning lifting mechanism for forklift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113942960A CN113942960A (en) | 2022-01-18 |
| CN113942960B true CN113942960B (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111304786.2A Active CN113942960B (en) | 2021-11-05 | 2021-11-05 | Synchronous self-positioning lifting mechanism for forklift |
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Citations (5)
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| GB1104399A (en) * | 1965-08-18 | 1968-02-28 | Om Spa | Fastening device |
| JPH11139793A (en) * | 1997-11-12 | 1999-05-25 | Toyota Autom Loom Works Ltd | Pusher device of fork lift truck |
| CN108892083A (en) * | 2018-08-30 | 2018-11-27 | 朱根妹 | A kind of fork truck fork with shock-absorbing function |
| CN109353203A (en) * | 2018-08-09 | 2019-02-19 | 安徽宇锋仓储设备有限公司 | A kind of electri forklift electric protection device |
| CN112173698A (en) * | 2020-10-05 | 2021-01-05 | 浙江美来亚纺织有限公司 | Textile bobbin clamping device with locking function |
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| CN107381430A (en) * | 2017-09-07 | 2017-11-24 | 江余乐 | A kind of fixed dock ramp lifting mechanism for container handling |
| CN107585547A (en) * | 2017-10-17 | 2018-01-16 | 安徽安凯汽车股份有限公司 | A kind of carrierless formula high-tension battery mounting tool |
| CN108069368A (en) * | 2017-12-20 | 2018-05-25 | 淮南领翼化工科技有限公司 | A kind of bipod mast Lift-on/Lift-off System easy to remove |
| CN207792592U (en) * | 2018-01-19 | 2018-08-31 | 天津友众科技发展有限公司 | Lift and conveyer |
| CN211643697U (en) * | 2019-12-29 | 2020-10-09 | 盐城市瑞华涂装设备有限公司 | Pan conveying equipment bearing structure |
| CN213084450U (en) * | 2020-08-03 | 2021-04-30 | 上海同惠机电科技有限公司 | Material conveying device for mechanical engineering |
| CN112225132B (en) * | 2020-10-29 | 2023-01-31 | 安徽宇锋仓储设备有限公司 | Auxiliary stabilizing device for multifunctional forklift |
-
2021
- 2021-11-05 CN CN202111304786.2A patent/CN113942960B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1104399A (en) * | 1965-08-18 | 1968-02-28 | Om Spa | Fastening device |
| JPH11139793A (en) * | 1997-11-12 | 1999-05-25 | Toyota Autom Loom Works Ltd | Pusher device of fork lift truck |
| CN109353203A (en) * | 2018-08-09 | 2019-02-19 | 安徽宇锋仓储设备有限公司 | A kind of electri forklift electric protection device |
| CN108892083A (en) * | 2018-08-30 | 2018-11-27 | 朱根妹 | A kind of fork truck fork with shock-absorbing function |
| CN112173698A (en) * | 2020-10-05 | 2021-01-05 | 浙江美来亚纺织有限公司 | Textile bobbin clamping device with locking function |
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| Publication number | Publication date |
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| CN113942960A (en) | 2022-01-18 |
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