CN219709039U - Two-stage telescopic fork device - Google Patents
Two-stage telescopic fork device Download PDFInfo
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- CN219709039U CN219709039U CN202320771842.1U CN202320771842U CN219709039U CN 219709039 U CN219709039 U CN 219709039U CN 202320771842 U CN202320771842 U CN 202320771842U CN 219709039 U CN219709039 U CN 219709039U
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- fork
- linkage mechanism
- side plate
- synchronous belt
- fixed side
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- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 230000009975 flexible effect Effects 0.000 claims abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims description 59
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 235000010254 Jasminum officinale Nutrition 0.000 abstract 1
- 240000005385 Jasminum sambac Species 0.000 abstract 1
- 244000269722 Thea sinensis Species 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
Abstract
The utility model discloses a secondary telescopic fork device which comprises a fixed side plate, a driving mechanism, a primary fork, a secondary fork and a linkage mechanism, wherein the driving mechanism drives the primary fork to reciprocate on the fixed side plate, the secondary fork is arranged on the primary fork through the linkage mechanism, the secondary fork is driven by the primary fork, and the secondary fork performs telescopic action relative to the primary fork in a telescopic direction. Set up link gear on second grade fork and one-level jasmine tea, need not extra power unit can make the second grade fork carry out flexible action for one-level fork, simplify the structure of the flexible fork of second grade, and reduce preparation and cost of maintenance.
Description
Technical Field
The utility model belongs to the field of storage material loading and unloading, and particularly relates to a two-stage telescopic fork device.
Background
The warehousing operation is the whole warehousing operation process from the warehouse-in of goods to the delivery of goods. The bin is mainly a car designed for carrying box-type materials in a warehouse, and the bin is used for carrying the materials between shelves through a running mechanism and loading and unloading the materials through telescopic forks. In the existing storage, the telescopic fork structure of the material box vehicle is mostly a primary telescopic mechanism, a secondary telescopic mechanism is partially adopted, and the existing secondary fork and the primary fork are independently driven in a telescopic manner through a group of power mechanisms, so that the power components are more, the structure is complex, and the manufacturing cost and the maintenance cost are high.
To the technical problem that a group of power mechanisms are required to be used for independently stretching and driving between the secondary fork and the primary fork, the scheme provides a secondary stretching fork device which can enable the secondary fork to stretch and retract relative to the primary fork without the need of the power mechanisms.
Disclosure of Invention
The utility model aims to: in order to overcome the defects in the prior art, the utility model provides the secondary telescopic fork device which can enable the secondary fork to perform telescopic action relative to the primary fork without an additional power mechanism, thereby simplifying the structure of the secondary telescopic fork and reducing the manufacturing and maintenance cost.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a flexible fork device of second grade, includes fixed curb plate, actuating mechanism, one-level fork, second grade fork and link gear, the actuating mechanism drive one-level fork reciprocating displacement is on fixed curb plate, the second grade fork passes through link gear setting on one-level fork, the second grade fork follows in one-level fork, just the second grade fork carries out flexible action again for one-level fork in flexible direction.
Further, the linkage mechanism comprises an extension linkage mechanism and a retraction linkage mechanism, the secondary fork extends to one side far away from the fixed side plate through the extension linkage mechanism, and the secondary fork retracts to the fixed side plate through the retraction linkage mechanism.
Further, the retraction linkage mechanism and the extension linkage mechanism have the same structure, and the retraction linkage mechanism and the extension linkage mechanism are reversely arranged in the extension direction.
Further, the extending linkage mechanism or the retracting linkage mechanism comprises a synchronous belt and a synchronous turning wheel, the synchronous turning wheel is rotatably arranged on the primary fork, the axial direction of a rotating shaft of the synchronous turning wheel is perpendicular to the extending direction, one end of the synchronous belt is connected to the fixed side plate, and the other end of the synchronous belt is connected to the secondary fork after bypassing the synchronous turning wheel.
Further, one end of the synchronous belt corresponding to the fixed side plate is arranged at the middle position of the fixed side plate in the telescopic direction, and one end of the synchronous belt corresponding to the secondary fork is arranged at one end, close to the fixed side plate, of the secondary fork.
Further, the driving mechanism comprises a rack meshing transmission mechanism and a rack, the rack is arranged on the primary fork along the telescopic direction, and the rack meshing transmission mechanism drives the rack to reciprocate in the telescopic direction.
Further, the rack meshing transmission mechanism comprises a first driven wheel, a second driven wheel, a gear synchronous belt and a rotation mechanism, wherein the first driven wheel and the second driven wheel are respectively and rotatably arranged on the carrying platform, the first driven wheel and the second driven wheel are positioned at two ends of the carrying platform in the telescopic direction, the first driven wheel and the second driven wheel are internally supported on the inner side of the gear synchronous belt, and the rotation mechanism is arranged on the carrying platform and drives the gear synchronous belt to rotate.
The beneficial effects are that: according to the utility model, the linkage mechanism is arranged on the secondary fork and the primary scented tea, so that the secondary fork can perform telescopic action relative to the primary fork without an additional power mechanism, the structure of the secondary telescopic fork is simplified, and the manufacturing and maintenance cost is reduced.
Drawings
FIG. 1 is a top view of the present utility model in a retracted state;
FIG. 2 is a front view of the present utility model in a retracted state;
FIG. 3 is a top view of the present utility model in a state of extending to one side of the fixed side plate;
FIG. 4 is a front view of FIG. 4 in accordance with the present utility model;
FIG. 5 is a top view of the present utility model in a state of extending to the other side of the fixed side plate;
fig. 6 is a front view of fig. 6 of the present utility model.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, a secondary telescopic fork device comprises a fixed side plate 10, a driving mechanism, a primary fork 20, a secondary fork 30 and a linkage mechanism, wherein the fixed side plate, the primary fork and the secondary fork are sequentially arranged, the primary fork 20 is arranged on the fixed side plate 10 in a transverse direction in a guiding sliding manner, the driving mechanism drives the primary fork 20 to reciprocate on the fixed side plate 10, the secondary fork 30 is arranged on the primary fork 20 through the linkage mechanism, the secondary fork 30 follows the primary fork, namely, the secondary fork synchronously follows the primary fork to stretch forwards or backwards, on the basis, the secondary fork 30 performs a telescopic action relative to the primary fork again in a telescopic direction, the secondary fork is overlapped in a follow-up and self-displacement manner, has a faster telescopic speed, in addition, the secondary fork and the primary fork are not required to be provided with the linkage mechanism, and the secondary fork can be made to stretch and retract relative to the primary fork, the secondary fork can be made, the secondary fork structure is simplified, and the maintenance cost is reduced.
Specifically, as shown in fig. 3 to 6, the linkage mechanism includes an extending linkage mechanism and a retracting linkage mechanism, the secondary fork 30 extends to a side far away from the fixed side plate through the extending linkage mechanism, and the secondary fork 30 retracts to the fixed side plate 10 through the retracting linkage mechanism, so that synchronous displacement and extension of the secondary fork 30 and the primary fork are ensured all the time. The retraction linkage mechanism and the extension linkage mechanism are identical in structure, are arranged at intervals in the vertical direction, are reversely arranged in the telescopic direction and are respectively used for controlling retraction and extension of the secondary fork relative to the primary fork.
The stretching linkage mechanism or the retracting linkage mechanism comprises a synchronous belt 23 and synchronous pulleys 24, the synchronous pulleys 24 are rotatably arranged on the primary forks 20, the rotating shaft of the synchronous pulleys 24 is axially perpendicular to the stretching direction, the synchronous pulleys 24 are arranged at two ends of the primary forks in the stretching direction, two groups of synchronous pulleys contained in the stretching linkage mechanism and the retracting linkage mechanism are respectively arranged at the head end and the tail end of the primary forks, through holes for accommodating the synchronous pulleys 24 are formed in the wall body of the primary forks 20 in a penetrating manner, the through holes are also used for the penetration of the synchronous belt 23, the synchronous belt 23 is a strip-shaped belt or a steel wire rope and used for pulling the secondary forks 30 to displace, one end of the synchronous belt 23 is connected to the fixed side plate 10, and the other end of the synchronous belt 23 bypasses the synchronous pulleys 24 and is connected to the secondary forks 30.
The working principle is as follows: when the primary fork 20 is extended outwardly, the extension linkage is: the synchronous turning wheel 24 moves outwards along with the primary fork and is far away from the fixed side plate, and then the synchronous turning wheel 24 tightens a synchronous belt, and the synchronous belt pulls the secondary fork 30, so that the secondary fork 30 slides outwards relative to the primary fork 20 until reaching a preset position. In the process of extending the primary fork, the synchronous rotary wheel and the synchronous belt in the retraction linkage mechanism follow the secondary fork, and basically no tension is generated on the secondary fork.
When the primary fork retracts towards the fixed side plate, the retraction linkage mechanism comprises: the synchronous turning wheel 24 moves inwards along with the primary fork to approach the fixed side plate, and then the synchronous turning wheel 24 tightens the synchronous belt, and the synchronous belt pulls the secondary fork 30, so that the secondary fork 30 slides and moves towards the side of the fixed side plate relative to the primary fork 20 until reaching the preset position on the fixed side plate. In the process of retracting the primary fork, the synchronous rotary wheel and the synchronous belt in the telescopic linkage mechanism follow the secondary fork, and basically no tension is generated on the secondary fork.
The fixed side plate is provided with a movable channel in the displacement direction, the driving mechanism drives the primary fork 20 to displace to any side of the fixed side plate in the displacement direction, that is, the primary fork 20 can displace to the left side of the fixed side plate and also displace to the right side of the fixed side plate for bidirectional telescopic displacement relative to the fixed side plate 10, so that bidirectional telescopic displacement is realized.
The stretching linkage mechanism generates pulling force to the secondary fork 30 no matter the primary fork 20 and the secondary fork 30 stretch out and displace towards any side of the fixed side plate; the retraction linkage creates a forward pulling force on the secondary forks as the primary 20 and secondary 30 forks retract toward the fixed side plates.
One end of the synchronous belt 23 corresponding to the fixed side plate is arranged at the middle position of the fixed side plate in the telescopic direction, and one end of the synchronous belt 23 corresponding to the secondary fork is arranged on one end, close to the fixed side plate, of the secondary fork. The extending linkage mechanism and the retracting linkage mechanism are arranged at an upper-lower interval, so that the synchronous belt 23 has a longer length, and the stroke length of the secondary fork is increased.
As shown in fig. 3 and fig. 4, the primary fork and the secondary fork are schematic views extending towards the left side of the fixed side plate.
As shown in fig. 5 and 6, the primary fork and the secondary fork are respectively extended towards the right side of the fixed side plate.
As shown in fig. 2, the driving mechanism includes a rack engaging transmission mechanism and a rack 22, the rack 22 is provided on the primary fork 20 in the telescopic direction, and the rack engaging transmission mechanism drives the rack to reciprocate in the telescopic direction. The primary forks 20 are driven by the racks to reciprocate relative to the load platform. The bottom end of the fixed side plate is provided with a cargo platform 40.
The rack meshing transmission mechanism comprises a driven wheel I04, a driven wheel II 06, a gear synchronous belt 07 and a slewing mechanism, wherein the driven wheel I04 and the driven wheel II 06 are respectively arranged on a cargo carrying platform in a rotating mode, the driven wheel I and the driven wheel II are positioned at two ends of the cargo carrying platform in the telescopic direction, the driven wheel I and the driven wheel II are internally supported on the inner side of the gear synchronous belt 07 and used for supporting the gear synchronous belt 07, and the cargo carrying platform further comprises a supporting strip 15 used for supporting and guiding the gear synchronous belt so as to be stably meshed with a rack 22. The rotary mechanism is arranged on the cargo carrying platform and drives the gear synchronous belt 07 to rotate, and comprises a driving motor 01 and a driving wheel 02 arranged at the output end of the driving motor, wherein the driving wheel 02 is used for driving the gear synchronous belt 07 to rotate. Two groups of tensioning wheels 03 are also arranged on the cargo carrying platform 10 and are respectively positioned at two sides of the driving wheel and used for tensioning the gear synchronous belt.
The cargo carrying platform comprises two groups of primary forks and two groups of secondary forks which are parallel to each other in the direction perpendicular to the telescopic direction, namely two groups of secondary telescopic fork devices, and the racks 22 at the bottoms of the two groups of primary forks are driven to displace through the transmission shaft 5.
The two groups of limiting mechanisms are arranged on the two-stage forks at intervals in the front-back direction in the telescopic direction, the two groups of two-stage forks comprise four groups of limiting mechanisms which are distributed in a rectangular array mode and are used for forming a limiting area for limiting materials, so that the materials and the two-stage forks are kept relatively fixed in the pushing process, the limiting mechanisms comprise a small motor 33 arranged on the two-stage forks 30 and a deflector rod 32 rotatably arranged on the rotating end of the small motor 33, the deflector rod comprises a horizontal state and a vertical state, and the deflection plane of the deflector rod is perpendicular to the telescopic direction of the forks.
When the pallet fork picks up goods leftwards or rightwards, after the secondary pallet fork moves to the corresponding position in the corresponding direction, the four small motors 33 drive the deflector rods 32 to rotate to a horizontal extending state, and then the pallet fork drags the pallet to the loading platform to finish the pallet pick-up action.
When the fork is put to the left or right, the shift lever 32 is in a horizontal extending state, after the two-stage fork moves to the corresponding position in the corresponding direction, the four small motors 33 drive the shift lever 32 to rotate to a vertical retracting state, and then the fork is retracted, so that the putting action is completed.
The cargo platform 40 comprises a plurality of rotary rods 13, the rotary rods 13 are distributed at intervals in the telescopic direction of the fork, and the rotary rods facilitate the feed box to slide on the cargo platform.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (7)
1. A two-stage telescopic fork device, characterized in that: including fixed curb plate (10), actuating mechanism, one-level fork (20), second grade fork (30) and link gear, actuating mechanism drive one-level fork (20) reciprocating displacement is on fixed curb plate (10), second grade fork (30) set up on one-level fork through link gear, second grade fork (30) follow-up in one-level fork, just second grade fork (30) are in the flexible action of carrying out again for one-level fork in flexible direction.
2. A two-stage telescopic pallet fork device according to claim 1, wherein: the linkage mechanism comprises an extension linkage mechanism and a retraction linkage mechanism, the secondary fork (30) extends to one side far away from the fixed side plate through the extension linkage mechanism, and the secondary fork (30) retracts to the fixed side plate through the retraction linkage mechanism.
3. A two-stage telescopic pallet fork device according to claim 2, wherein: the retraction linkage mechanism and the extension linkage mechanism have the same structure, and the retraction linkage mechanism and the extension linkage mechanism are reversely arranged in the extension direction.
4. A two-stage telescoping fork assembly as in claim 3, wherein: the extension linkage mechanism or the retraction linkage mechanism comprises a synchronous belt (23) and a synchronous rotary wheel (24), the synchronous rotary wheel (24) is rotatably arranged on the primary fork (20), the axial direction of a rotating shaft of the synchronous rotary wheel (24) is perpendicular to the extension direction, one end of the synchronous belt (23) is connected to the fixed side plate (10), and the other end of the synchronous belt (23) bypasses the synchronous rotary wheel (24) and is connected to the secondary fork (30).
5. The two-stage telescoping fork assembly as recited in claim 4, wherein: one end of the synchronous belt (23) corresponding to the fixed side plate is arranged at the middle position of the fixed side plate in the telescopic direction, and one end of the synchronous belt (23) corresponding to the secondary fork is arranged on one end, close to the fixed side plate, of the secondary fork.
6. A two-stage telescopic pallet fork device according to claim 1, wherein: the driving mechanism comprises a rack meshing transmission mechanism and a rack (22), wherein the rack (22) is arranged on the primary fork (20) along the telescopic direction, and the rack meshing transmission mechanism drives the rack to reciprocate in the telescopic direction.
7. The two-stage telescoping fork assembly as recited in claim 6, wherein: the rack meshing transmission mechanism comprises a first driven wheel (04), a second driven wheel (06), a gear synchronous belt (07) and a rotation mechanism, wherein the first driven wheel and the second driven wheel are respectively and rotatably arranged on a cargo carrying platform (40), the first driven wheel and the second driven wheel are respectively positioned at two ends of the cargo carrying platform in the telescopic direction, the first driven wheel and the second driven wheel are internally supported on the inner side of the gear synchronous belt (07), and the rotation mechanism is arranged on the cargo carrying platform and drives the gear synchronous belt (07) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320771842.1U CN219709039U (en) | 2023-04-10 | 2023-04-10 | Two-stage telescopic fork device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320771842.1U CN219709039U (en) | 2023-04-10 | 2023-04-10 | Two-stage telescopic fork device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219709039U true CN219709039U (en) | 2023-09-19 |
Family
ID=88004516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320771842.1U Active CN219709039U (en) | 2023-04-10 | 2023-04-10 | Two-stage telescopic fork device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219709039U (en) |
-
2023
- 2023-04-10 CN CN202320771842.1U patent/CN219709039U/en active Active
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