CN210214728U - Automatic lifting device of forklift - Google Patents
Automatic lifting device of forklift Download PDFInfo
- Publication number
- CN210214728U CN210214728U CN201920862938.2U CN201920862938U CN210214728U CN 210214728 U CN210214728 U CN 210214728U CN 201920862938 U CN201920862938 U CN 201920862938U CN 210214728 U CN210214728 U CN 210214728U
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- China
- Prior art keywords
- fixed
- limiting
- rod
- portal
- sliding
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Abstract
The utility model relates to a lifting device, concretely relates to automatic lifting device of forklift, including the portal, be fixed with the controller on the portal, the portal inner wall relatively fixed has the first slide rail, sliding connection has the first slider on the first slide rail, the top relatively fixed has the first motor in the portal, the first motor drive shaft is fixed with the screw rod, the screw rod runs through and with first slider threaded connection, be fixed with the mounting panel between the first slider, the mounting panel bottom relatively fixed has the fork, the portal inner wall is located first slider top and is fixed with the stopper, the stopper bottom is fixed with weighing sensor, the portal lateral wall is fixed with the spacing box, the spacing box inner wall is fixed with the first hydraulic stem, the first hydraulic stem body end is fixed with the stopper that runs through the portal lateral wall, the bottom is fixed with the second slide rail in the spacing box, sliding connection has the second slider on the second slide rail; the technical scheme provided by the utility model can effectively overcome the defect that locking structure lacks and take place suddenly tenesmus that prior art exists.
Description
Technical Field
The utility model relates to a play to rise the device, concretely relates to fork truck's automatic device that plays to rise.
Background
The forklift is an industrial transportation vehicle, is various wheeled transportation vehicles for loading, unloading, stacking and short-distance transportation of finished pallet goods, is widely applied to ports, stations, airports, goods yards, factory workshops, warehouses, distribution centers and the like, can enter cabins, carriages and containers for loading, unloading and transporting the pallet goods, and is necessary equipment in pallet transportation and container transportation.
However, the lifting device of the existing forklift lacks a locking structure, and when heavy goods are borne, sudden dropping is easy to happen, so that the goods are damaged.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the above-mentioned shortcoming that prior art exists, the utility model provides a fork truck's automatic rising device can effectively overcome the defect that lacks locking structure and take place suddenly tenesmus that prior art exists.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
an automatic lifting device of a forklift comprises a portal frame, wherein a controller is fixed on the portal frame, a first slide rail is relatively fixed on the inner wall of the portal frame, a first slide block is connected onto the first slide rail in a sliding manner, a first motor is relatively fixed at the inner top of the portal frame, a drive shaft of the first motor is fixed with a screw, the screw penetrates through and is in threaded connection with the first slide block, an installation plate is fixed between the first slide blocks, and a fork is relatively fixed at the bottom of the installation plate;
a limiting block is fixed on the inner wall of the portal frame above the first sliding block, a weighing sensor is fixed at the bottom of the limiting block, a limiting box is fixed on the side wall of the portal frame, a first hydraulic rod is fixed on the inner wall of the limiting box, a limiting rod penetrating through the side wall of the portal frame is fixed at the end part of the rod body of the first hydraulic rod, a second sliding rail is fixed at the inner bottom of the limiting box, a second sliding block is connected onto the second sliding rail in a sliding manner, a connecting rod is hinged between the second sliding block and the limiting rod, an electromagnet is fixed at the bottom of the limiting box, and a limiting hole matched with the limiting rod is formed in the first sliding block;
the top is fixed with the second hydraulic stem in the portal, second hydraulic stem body of rod end fixing has the baffle, the baffle bottom is fixed with the second motor, second motor drive shaft is fixed with the lead screw, threaded connection has the third slider on the lead screw, the third slider is articulated with the first pull rod one end of relative setting, the first pull rod other end is articulated through pivot and second pull rod one end, the second pull rod other end is equipped with draw-in groove, the fixture block of joint of each other respectively, the pivot both ends all with posting sliding connection.
Preferably, when the limiting rod completely enters the limiting hole, the second sliding block is just above the electromagnet.
Preferably, the second sliding block is made of a ferrous material.
Preferably, the weighing sensor, the first hydraulic rod and the electromagnet are all electrically connected with the controller.
Preferably, the load cell employs an LC1110 and the controller employs an STM 32.
Preferably, the number of the limiting boxes is four, the two limiting boxes are arranged on two sides of the door frame as a component, and the limiting boxes are arranged on the same side and are symmetrical with respect to the first sliding block in the front-back direction.
Preferably, the positioning frame is fixed to the partition plate by a fixing rod.
Preferably, the side wall of the door frame is provided with a through hole matched with the limiting rod.
Preferably, a sliding groove matched with the first sliding rail is arranged on the first sliding block.
(III) advantageous effects
Compared with the prior art, the utility model provides an automatic lifting device of fork truck can utilize first motor drive screw rod to drive first slider upward movement, rise to the goods with the help of the fork, when first slider touches weighing sensor, the first motor of controller control stops working, and control the extension of first hydraulic stem, send the gag lever post into spacing hole, form the locking to first slider, prevent to take place suddenly to descend because of the overweight of goods, the electro-magnet is opened to the while controller, with the help of the suction between electro-magnet and the second slider, give the gag lever post supporting role through the connecting rod, effectively improve structural strength; utilize the second hydraulic stem to put down the second pull rod, drive the third slider rebound with the help of second motor drive lead screw for the second pull rod is close to each other, and first pull rod constitutes the couple with the second pull rod this moment, recycles the second hydraulic stem and promotes, can give the ascending pulling force of goods, reduces the load of fork, can play the effect of preventing sudden tenesmus equally.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the limiting box of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 from direction A-A according to the present invention;
FIG. 4 is an enlarged view of the structure of the portion B shown in FIG. 1 according to the present invention;
in the figure:
1. a gantry; 2. a first slide rail; 3. a first slider; 4. a first motor; 5. a screw; 6. Mounting a plate; 7. a pallet fork; 8. a limiting block; 9. a weighing sensor; 10. a limiting box; 11. a first hydraulic lever; 12. a limiting rod; 13. a second slide rail; 14. a second slider; 15. a connecting rod; 16. An electromagnet; 17. a second hydraulic rod; 18. a partition plate; 19. a second motor; 20. a third slider; 21. a first pull rod; 22. a rotating shaft; 23. a second pull rod; 24. a positioning frame; 25. a card slot; 26. a clamping block; 27. a chute; 28. and a limiting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An automatic lifting device of a forklift comprises a portal frame 1, wherein a controller is fixed on the portal frame 1, a first slide rail 2 is relatively fixed on the inner wall of the portal frame 1, a first slide block 3 is connected to the first slide rail 2 in a sliding manner, a first motor 4 is relatively fixed at the top in the portal frame 1, a driving shaft of the first motor 4 is fixed with a screw rod 5, the screw rod 5 penetrates through and is in threaded connection with the first slide block 3, an installation plate 6 is fixed between the first slide blocks 3, and a fork 7 is relatively fixed at the bottom of the installation plate 6;
a limiting block 8 is fixed on the inner wall of the gantry 1 above the first sliding block 3, a weighing sensor 9 is fixed at the bottom of the limiting block 8, a limiting box 10 is fixed on the side wall of the gantry 1, a first hydraulic rod 11 is fixed on the inner wall of the limiting box 10, a limiting rod 12 penetrating through the side wall of the gantry 1 is fixed at the end part of a rod body of the first hydraulic rod 11, a second sliding rail 13 is fixed at the bottom in the limiting box 10, a second sliding block 14 is connected onto the second sliding rail 13 in a sliding manner, a connecting rod 15 is hinged between the second sliding block 14 and the limiting rod 12, an electromagnet 16 is fixed at the bottom of the limiting box 10, and a limiting hole 28 matched with the limiting rod 12;
the top is fixed with second hydraulic stem 17 in portal 1, second hydraulic stem 17 body of rod end fixing has baffle 18, baffle 18 bottom is fixed with second motor 19, the drive shaft of second motor 19 is fixed with the lead screw, threaded connection has third slider 20 on the lead screw, third slider 20 is articulated with relative first pull rod 21 one end that sets up, the first pull rod 21 other end is articulated with second pull rod 23 one end through pivot 22, the second pull rod 23 other end is equipped with the draw-in groove 25 of joint of each other respectively, fixture block 26, pivot 22 both ends all with a posting 24 sliding connection.
When the limiting rod 12 completely enters the limiting hole 28, the second sliding block 14 is just above the electromagnet 16.
The second slider 14 is made of a ferrous material.
The weighing sensor 9, the first hydraulic rod 11 and the electromagnet 16 are all electrically connected with the controller.
The number of the limiting boxes 10 is four, the two limiting boxes 10 are arranged on two sides of the portal frame 1 as a group, and the limiting boxes 10 on the same side are symmetrically arranged in front and back of the first sliding block 3.
The positioning frame 24 is fixed to the partition 18 by fixing rods.
The side wall of the door frame 1 is provided with a through hole matched with the limiting rod 12.
The first sliding block 3 is provided with a sliding groove 27 matched with the first sliding rail 2.
The first motor 4 is used for driving the screw rod 5 to drive the first sliding block 3 to move upwards, and the goods are lifted by the aid of the fork 7. When the first sliding block 3 touches the weighing sensor 9, the controller controls the first motor 4 to stop working, controls the first hydraulic rod 11 to extend, and sends the limiting rod 12 into the limiting hole 28 to form locking on the first sliding block 3, so that sudden falling caused by overweight of goods is prevented. Meanwhile, the controller turns on the electromagnet 16, and the connecting rod 15 provides a supporting effect for the limiting rod 12 by virtue of the suction force between the electromagnet 16 and the second sliding block 14, so that the structural strength is effectively improved.
The second pull rod 23 is lowered by the second hydraulic rod 17, and the screw rod is driven by the second motor 19 to drive the third slide block 20 to move upwards, so that the second pull rods 23 are close to each other. At the moment, the first pull rod 21 and the second pull rod 23 form a hook, and the second hydraulic rod 17 is used for lifting, so that upward pulling force can be given to goods, the load of the fork is reduced, and the effect of preventing sudden falling can be achieved.
It should be noted that the controller is not shown in the drawings, the load cell 9 in the present embodiment is an LC1110, and the controller is an STM 32. The internal structure and the pin function of the electrical component related in the application can be checked in the factory specifications, and the circuit connection relationship of the electrical component related in the technical scheme of the application can be obtained according to the factory specifications, which is common general knowledge of technicians in the field.
The utility model provides an automatic lifting device of fork truck can utilize first motor drive screw rod to drive first slider upward movement, rise to the goods with the help of the fork, when first slider touchs weighing sensor, the first motor of controller control stops working, and control first hydraulic stem extension, send the gag lever post into spacing hole, form the locking to first slider, prevent to take place suddenly to descend because of the goods is overweight, the electro-magnet is opened to the controller simultaneously, with the help of the suction between electro-magnet and the second slider, give the gag lever post supporting role through the connecting rod, effectively improve structural strength; utilize the second hydraulic stem to put down the second pull rod, drive the third slider rebound with the help of second motor drive lead screw for the second pull rod is close to each other, and first pull rod constitutes the couple with the second pull rod this moment, recycles the second hydraulic stem and promotes, can give the ascending pulling force of goods, reduces the load of fork, can play the effect of preventing sudden tenesmus equally.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. The utility model provides a fork truck's automatic hoisting apparatus, includes portal (1), its characterized in that: the automatic loading and unloading device is characterized in that a controller is fixed on the portal frame (1), a first sliding rail (2) is relatively fixed on the inner wall of the portal frame (1), a first sliding block (3) is connected onto the first sliding rail (2) in a sliding manner, a first motor (4) is relatively fixed on the inner top of the portal frame (1), a driving shaft of the first motor (4) is fixed with a screw (5), the screw (5) penetrates through and is in threaded connection with the first sliding block (3), a mounting plate (6) is fixed between the first sliding blocks (3), and a fork (7) is relatively fixed at the bottom of the mounting plate (6);
a limiting block (8) is fixed on the inner wall of the door frame (1) above the first sliding block (3), a weighing sensor (9) is fixed at the bottom of the limiting block (8), a limiting box (10) is fixed on the side wall of the portal frame (1), a first hydraulic rod (11) is fixed on the inner wall of the limiting box (10), a limiting rod (12) penetrating through the side wall of the gantry (1) is fixed at the end part of the rod body of the first hydraulic rod (11), a second slide rail (13) is fixed at the bottom in the limiting box (10), a second slide block (14) is connected on the second slide rail (13) in a sliding way, a connecting rod (15) is hinged between the second sliding block (14) and the limiting rod (12), an electromagnet (16) is fixed at the bottom of the limiting box (10), and a limiting hole (28) matched with the limiting rod (12) is formed in the first sliding block (3);
the top is fixed with second hydraulic stem (17) in portal (1), second hydraulic stem (17) body of rod end fixing has baffle (18), baffle (18) bottom is fixed with second motor (19), second motor (19) drive shaft is fixed with the lead screw, threaded connection has third slider (20) on the lead screw, third slider (20) are articulated with first pull rod (21) one end that sets up relatively, first pull rod (21) other end is articulated through pivot (22) and second pull rod (23) one end, second pull rod (23) other end is equipped with draw-in groove (25), fixture block (26) of joint of each other respectively, pivot (22) both ends all with locating frame (24) sliding connection.
2. The automatic hoist of a forklift according to claim 1, characterized in that: when the limiting rod (12) completely enters the limiting hole (28), the second sliding block (14) is just positioned right above the electromagnet (16).
3. The automatic hoist of a forklift according to claim 2, characterized in that: the second sliding block (14) is made of iron materials.
4. The automatic hoist of a forklift according to claim 1, characterized in that: the weighing sensor (9), the first hydraulic rod (11) and the electromagnet (16) are electrically connected with the controller.
5. The automatic hoist of a forklift according to claim 4, characterized in that: the load cell (9) employs an LC1110 and the controller employs an STM 32.
6. The automatic hoist of a forklift according to claim 1, characterized in that: the four limiting boxes (10) are arranged, the two limiting boxes (10) are arranged on two sides of the portal frame (1) as a component, and the limiting boxes (10) are arranged on the same side and are symmetrically arranged around the first sliding block (3).
7. The automatic hoist of a forklift according to claim 1, characterized in that: the positioning frame (24) is fixed with the clapboard (18) through a fixing rod.
8. The automatic hoist of a forklift according to claim 1, characterized in that: the side wall of the door frame (1) is provided with a through hole matched with the limiting rod (12).
9. The automatic hoist of a forklift according to claim 1, characterized in that: and a sliding groove (27) matched with the first sliding rail (2) is arranged on the first sliding block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920862938.2U CN210214728U (en) | 2019-06-10 | 2019-06-10 | Automatic lifting device of forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920862938.2U CN210214728U (en) | 2019-06-10 | 2019-06-10 | Automatic lifting device of forklift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210214728U true CN210214728U (en) | 2020-03-31 |
Family
ID=69930802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920862938.2U Expired - Fee Related CN210214728U (en) | 2019-06-10 | 2019-06-10 | Automatic lifting device of forklift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210214728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314466A (en) * | 2022-01-27 | 2022-04-12 | 浙江西车智能物流装备有限责任公司 | Safety stopping and descending system for people under forklift with high pile |
-
2019
- 2019-06-10 CN CN201920862938.2U patent/CN210214728U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314466A (en) * | 2022-01-27 | 2022-04-12 | 浙江西车智能物流装备有限责任公司 | Safety stopping and descending system for people under forklift with high pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 |