High-position forklift lifting mechanism
By using a drive motor and screw system instead of the hydraulic cylinder in the lifting mechanism of the high-position forklift, the problems of energy loss and accuracy reduction caused by the hydraulic cylinder are solved, and more efficient and accurate lifting operations are achieved.
Patent Information
- Application Number
- CN202421965488.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-08-14
AI Technical Summary
The lifting mechanisms of existing high-position forklifts mostly use hydraulic cylinders, which leads to prone to energy loss and reduced accuracy during movement.
A high-position forklift lifting mechanism is designed, using a driving motor to drive the screw rod to rotate, the screw rod drives the lift plate to move up and down, and the lift plate drives the forklift arm to move, realizing the operation of the forklift arm and the cargo on the same level.
Through this design, energy loss caused by the hydraulic cylinder is reduced, the accuracy of lifting and lowering is improved, and the durability and working efficiency of the device are enhanced.
Smart Images

Figure CN222861106U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of mechanical equipment, in particular to a high-position forklift lifting mechanism. Background Art
[0002] A high-lift forklift is an industrial vehicle used to lift and move heavy objects. Its long fork arm is designed for lifting and moving heavy objects. It is widely used in many places such as logistics warehousing, manufacturing, port terminals, distribution centers, etc., especially in large logistics warehousing centers and manufacturing factories.
[0003] In the prior art, the lifting mechanism of a forklift is mostly driven by a hydraulic cylinder. The hydraulic cylinder transmission uses liquid as the working medium, and abnormal conditions are prone to occur during the movement, resulting in energy loss and reduced lifting accuracy.
[0004] To this end, the utility model provides a high-position forklift lifting mechanism. Utility Model Content
[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.
[0006] The technical solution adopted by the utility model to solve its technical problems is: the high-position forklift lifting mechanism described in the utility model includes a bracket; the side wall of the bracket is fixedly connected with a baffle; the baffle is arranged at a position close to the bottom of the bracket; the side wall of the baffle is fixedly connected to the vehicle body; the interior of the bracket is fixedly connected to a support seat; the interior of the bracket is fixedly connected to a bearing seat; the support seat and the bearing seat are symmetrically arranged; the top of the support seat is rotatably connected to a screw rod; the top of the screw rod is rotatably connected to the bearing seat; the top of the bracket is fixedly connected to a drive motor; the middle part of the screw rod is threadedly connected to a lifting plate; the top of the lifting plate is fixedly connected to a rectangular plate; the bottom of the rectangular plate is fixedly connected to two forklift arms; the two forklift arms are symmetrically arranged; the forklift arms are arranged at a position close to the end of the rectangular plate; it effectively provides greater operating power and stronger operating capacity, and reduces energy loss caused by driving the hydraulic cylinder.
[0007] Preferably, a groove is provided inside the lifting plate; a slider is fixed to the bottom of the rectangular plate; a slider is slidably connected to the inside of the groove; a plurality of screw holes are provided on the top of the groove; the screw holes are distributed in a linear array; the top of the forklift arm is threadedly connected to a hexagonal bolt; the hexagonal bolt passes through the interior of the rectangular plate and is threadedly connected to the screw hole; the utilization rate of the forklift arm is effectively improved, the practicality of the device is enhanced, and the setting of the slider makes the device more stable and reduces the risk of the forklift arm falling.
[0008] Preferably, the end of the forklift arm is slidably connected to an extension arm; the top of the forklift arm is threadedly connected to a round bolt; the round bolt passes through the inside of the forklift arm and the extension arm; effectively reducing the situation where the pallet tilts and causes the goods to fall, and enhancing the flexibility and practicality of the device.
[0009] Preferably, two support columns are fixed to the inside of the bracket; the two support columns are symmetrically arranged on both sides of the screw rod; the inside of the lifting plate is slidably connected to the support columns; the situation where the objects tilt and fall due to unstable movement is reduced, and the stability and safety of the lifting process are effectively improved.
[0010] Preferably, a first dust cover is fixedly connected to the interior of the bracket; the interior of the first dust cover is hollow; the first dust cover is arranged on the outside of the bearing seat; a second dust cover is fixedly connected to the interior of the bracket; the interior of the second dust cover is hollow; the second dust cover is arranged on the outside of the support seat; effectively reducing the situation where dust enters the interior and extending the service life of the equipment.
[0011] Preferably, an anti-collision strip is bonded to the side wall of the forklift arm; the anti-collision strip is made of rubber; and effectively reduces the impact of the pallet on the forklift arm when the forklift arm is inserted into the cargo pallet.
[0012] Preferably, a first limit block is fixedly connected to the inside of the bracket; the first limit block is arranged at the top of the support column and contacts the side wall of the support column; a second limit block is fixedly connected to the inside of the bracket; the second limit block is arranged at the bottom of the support column and contacts the side wall of the support column; the extrusion of the lifting plate on the support seat and the bearing seat is effectively reduced, thereby extending the service life of the support seat and the bearing seat.
[0013] The beneficial effects of the utility model are as follows:
[0014] 1. The high-position forklift lifting mechanism described in the utility model starts the driving motor to drive the screw to rotate, the screw drives the lifting plate to move up and down, and the lifting plate drives the forklift arm to move, so that the forklift arm and the cargo are on the same horizontal plane. It effectively provides greater operating power and stronger operating capacity, reduces the energy loss caused by driving the hydraulic cylinder, effectively improves the lifting accuracy, enhances the durability of the device and improves work efficiency.
[0015] 2. The utility model relates to a high-position forklift lifting mechanism, in which a slider slides inside a groove by holding a rectangular plate with hands and screw holes are provided on the groove. After the rectangular plate is moved to a suitable distance, the groove and the rectangular plate are fixed with hexagonal bolts, which are threadedly connected to the structure inside the screw holes. This effectively improves the utilization rate of the forklift arm and enhances the practicality of the device. The setting of the slider makes the device more stable and reduces the risk of the forklift arm falling. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The present invention will be further described below with reference to the accompanying drawings.
[0017] Figure 1 It is a three-dimensional diagram of the utility model;
[0018] Figure 2 This is a structural diagram of the baffle in the utility model;
[0019] Figure 3 It is a structural diagram of the screw rod in the utility model;
[0020] Figure 4 It is a structural schematic diagram of the forklift arm in the utility model;
[0021] Figure 5 It is a structural diagram of the slider in the utility model;
[0022] Figure 6 It is a cross-sectional view of the protective cover in the present utility model.
[0023] In the figure: 1. Bracket; 11. Baffle; 12. Vehicle body; 13. Support seat; 14. Screw rod; 15. Bearing seat; 16. Drive motor; 17. Lifting plate; 18. Rectangular plate; 19. Forklift arm; 2. Groove; 21. Slider; 22. Screw hole; 23. Hexagonal bolt; 3. Extension arm; 31. Round bolt; 4. Support column; 5. First dust cover; 51. Second dust cover; 6. Anti-collision strip; 7. First limit block; 71. Second limit block. DETAILED DESCRIPTION
[0024] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] Specific examples are given below.
[0026] like Figure 1 、 Figure 2 、 Figure 3 and Figure 6As shown, a high-position forklift lifting mechanism described in an embodiment of the present invention includes a bracket 1; a baffle 11 is fixedly connected to the side wall of the bracket 1; the baffle 11 is arranged at a position close to the bottom of the bracket 1; the side wall of the baffle 11 is fixedly connected to the vehicle body 12; a support seat 13 is fixedly connected to the inside of the bracket 1; a bearing seat 15 is fixedly connected to the inside of the bracket 1; the support seat 13 and the bearing seat 15 are symmetrically arranged; the top of the support seat 13 is rotatably connected to a screw rod 14; the top of the screw rod 14 is rotatably connected to the bearing seat 15; the top of the bracket 1 is fixedly connected to a drive motor 16; the middle part of the screw rod 14 is threadedly connected to a lifting plate 17; the top of the lifting plate 17 A rectangular plate 18 is fixedly connected; two forklift arms 19 are fixedly connected to the bottom of the rectangular plate 18; the two forklift arms 19 are symmetrically arranged; the forklift arms 19 are arranged at a position close to the end of the rectangular plate 18; when working, the drive motor 16 is started, the bearing seat 15 drives the screw rod 14 to rotate, and the lifting plate 17 is raised or lowered to a position level with the goods, the forklift arm 19 is inserted into the pallet loaded with goods, and the vehicle body 12 is started to transport the goods to the designated location; it effectively provides greater operating power and stronger operating capacity, reduces the energy loss caused by the hydraulic cylinder drive, effectively improves the accuracy of lifting and lowering, enhances the durability of the device and improves work efficiency.
[0027] like Figure 1 、 Figure 2 and Figure 4 As shown, a groove 2 is provided inside the lifting plate 17; a slider 21 is fixed to the bottom of the rectangular plate 18; the slider 21 is slidably connected to the inside of the groove 2; a plurality of screw holes 22 are provided at the top of the groove 2; the screw holes 22 are distributed in a linear array state; the top of the forklift arm 19 is threadedly connected with a hexagonal bolt 23; the hexagonal bolt 23 passes through the interior of the rectangular plate 18 and is threadedly connected to the screw hole 22; during work, when different goods need to be transported, the spacing distances of the pallet sockets loaded with goods are different, the rectangular plate 18 is held by hand and moved, the slider 21 slides inside the groove 2, and the screw hole 22 is provided on the groove 2. After moving the rectangular plate 18 to a suitable distance, the groove 2 and the rectangular plate 18 are fixed with the hexagonal bolt 23 and are threadedly connected to the inside of the screw hole 22; the utilization rate of the forklift arm 19 is effectively improved, the practicality of the device is enhanced, and the setting of the slider 21 makes the device more stable and reduces the risk of the forklift arm 19 falling.
[0028] like Figure 4 and Figure 5As shown, the end of the forklift arm 19 is slidably connected to the extension arm 3; the top of the forklift arm 19 is threadedly connected to a round bolt 31; the round bolt 31 passes through the inside of the forklift arm 19 and the extension arm 3; during operation, when the insertion hole of the pallet loaded with goods is deeper, the forklift arm 19 cannot pass through the pallet, and it is easy for the pallet to tilt and cause the goods to fall when transporting the goods. The extension arm 3 is connected to the end of the forklift arm 19, and it is adjusted to a suitable length according to the pallet of the goods, and then fixed with the round bolt 31, which effectively reduces the situation where the pallet tilts and causes the goods to fall, and enhances the flexibility and practicality of the device.
[0029] like Figure 2 As shown, two support columns 4 are fixedly connected to the interior of the bracket 1; the two support columns 4 are symmetrically arranged and distributed on both sides of the screw rod 14; the interior of the lifting plate 17 is slidably connected to the support columns 4; during operation, when the screw rod 14 drives the lifting plate 17 to rise or fall, the lifting plate 17 slides on the side walls of the support columns 4, so that the lifting plate 17 moves smoothly, reducing the situation where objects tilt and fall due to unstable movement, and effectively improving the stability and safety of the lifting process.
[0030] like Figure 6 As shown, the interior of the bracket 1 is fixedly connected to a first dust cover 5; the interior of the first dust cover 5 is hollow; the first dust cover 5 is arranged on the outside of the bearing seat 15; the interior of the bracket 1 is fixedly connected to a second dust cover 51; the interior of the second dust cover 51 is hollow; the second dust cover 51 is arranged on the outside of the support seat 13; when working, the support seat 13 and the bearing seat 15 are always outside and easily affected by the environment. The second dust cover 51 and the first dust cover 5 are arranged on the outside of the support seat 13 and the bearing seat 15, which effectively reduces the dust from entering the interior and extends the service life of the equipment.
[0031] like Figure 3 As shown, the side wall of the forklift arm 19 is bonded with an anti-collision strip 6; the anti-collision strip 6 is made of rubber; when working, the side wall of the forklift arm 19 is bonded with the anti-collision strip 6, and the anti-collision strip 6 is made of rubber, which effectively reduces the impact of the pallet on the forklift arm 19 when the forklift arm 19 is inserted into the cargo pallet, and also reduces the scratches and wear of the forklift arm 19.
[0032] like Figure 2As shown, the interior of the bracket 1 is fixed with a first limit block 7; the first limit block 7 is arranged at the top of the support column 4 and contacts the side wall of the support column 4; the interior of the bracket 1 is fixed with a second limit block 71; the second limit block 71 is arranged at the bottom of the support column 4 and contacts the side wall of the support column 4; when working, the first limit block 7 and the second limit block 71 are provided at the corresponding positions of the top and bottom of the bracket 1, which play a role in limiting the position when the lifting plate 17 rises and falls, effectively reducing the extrusion of the lifting plate 17 on the support seat 13 and the bearing seat 15, extending the service life of the support seat 13 and the bearing seat 15, and also playing a shock-absorbing role.
[0033] When working, start the drive motor 16, the bearing seat 15 drives the screw 14 to rotate, and the lifting plate 17 is raised or lowered to a position level with the goods. The forklift arm 19 is inserted into the pallet loaded with goods, and the vehicle body 12 is started to transport the goods to the designated location; it effectively provides greater operating power and stronger operating capacity, reduces the energy loss caused by the hydraulic cylinder drive, effectively improves the accuracy of lifting, enhances the durability of the device and improves work efficiency. When different goods need to be transported, the spacing distance of the pallet holes for loading goods is different. The hand holds the rectangular plate 18 to move, and the slider 21 is in the groove 2 The inner slide of the device is provided with a screw hole 22 on the groove 2. After moving the rectangular plate 18 to a suitable distance, the groove 2 and the rectangular plate 18 are fixed with a hexagonal bolt 23, which is threaded into the inner part of the screw hole 22; it effectively improves the utilization rate of the forklift arm 19 and enhances the practicality of the device. The setting of the slider 21 makes the device more stable and reduces the risk of the forklift arm 19 falling. When the insertion hole of the pallet loaded with goods is deep, the forklift arm 19 cannot penetrate the pallet. When transporting goods, it is easy for the pallet to tilt and cause the goods to fall. The extension arm 3 is connected to the end of the forklift arm 19 and adjusted to a suitable length according to the pallet of the goods. , and then fixed with round bolts 31, which effectively reduces the situation where the pallet tilts and causes the goods to fall, and enhances the flexibility and practicality of the device. When the screw rod 14 drives the lifting plate 17 to rise or fall, the lifting plate 17 slides on the side wall of the support column 4, so that the lifting plate 17 moves smoothly, reducing the situation where the goods tilt and fall due to unstable movement, and effectively improving the stability and safety of the lifting process. The support seat 13 and the bearing seat 15 have been outside and are easily affected by the environment. A second dust cover 51 and a first dust cover 5 are set on the outside of the support seat 13 and the bearing seat 15, which effectively reduces the dust from entering therein. The side wall of the forklift arm 19 is bonded with an anti-collision strip 6, which is made of rubber. It effectively reduces the impact of the pallet on the forklift arm 19 when the forklift arm 19 is inserted into the loading pallet, and also reduces the scratching and wear of the forklift arm 19. The corresponding positions of the top and bottom of the bracket 1 are provided with a first limit block 7 and a second limit block 71, which play a role in limiting the position when the lifting plate 17 rises and falls, effectively reducing the squeezing of the lifting plate 17 on the support seat 13 and the bearing seat 15, extending the service life of the support seat 13 and the bearing seat 15, and also playing a role in shock absorption.
[0034] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A high-position forklift lifting mechanism, comprising a bracket (1); characterized in that: The side wall of the bracket (1) is fixedly connected with a baffle (11); the baffle (11) is arranged at a position close to the bottom of the bracket (1); the side wall of the baffle (11) is fixedly connected with a vehicle body (12); the interior of the bracket (1) is fixedly connected with a support seat (13); the interior of the bracket (1) is fixedly connected with a bearing seat (15); the support seat (13) and the bearing seat (15) are symmetrically arranged; the top of the support seat (13) is rotatably connected with a screw rod (14); the screw rod The top of the bracket (14) is rotatably connected to a bearing seat (15); the top of the bracket (1) is fixedly connected to a driving motor (16); the middle part of the screw rod (14) is threadedly connected to a lifting plate (17); the top of the lifting plate (17) is fixedly connected to a rectangular plate (18); the bottom of the rectangular plate (18) is fixedly connected to two forklift arms (19); the two forklift arms (19) are symmetrically arranged; the forklift arms (19) are arranged at a position close to the end of the rectangular plate (18).
2. A high-position forklift lifting mechanism according to claim 1, characterized in that: The lifting plate (17) is provided with a groove (2) inside; a slider (21) is fixedly connected to the bottom of the rectangular plate (18); the inside of the groove (2) is slidably connected to the slider (21); a plurality of screw holes (22) are provided at the top of the groove (2); the screw holes (22) are distributed in a linear array; a hexagonal bolt (23) is threadedly connected to the top of the forklift arm (19); the hexagonal bolt (23) passes through the inside of the rectangular plate (18) and is threadedly connected to the screw hole (22).
3. A high-position forklift lifting mechanism according to claim 1, characterized in that: The end of the forklift arm (19) is slidably connected to the extension arm (3); the top of the forklift arm (19) is threadedly connected to a round bolt (31); the round bolt (31) passes through the inside of the forklift arm (19) and the extension arm (3).
4. A high-position forklift lifting mechanism according to claim 1, characterized in that: Two support columns (4) are fixedly connected inside the bracket (1); the two support columns (4) are symmetrically arranged and distributed on two sides of the screw rod (14); and the support columns (4) are slidably connected inside the lifting plate (17).
5. The high-position forklift lifting mechanism according to claim 1, characterized in that: A first dust cover (5) is fixedly connected to the interior of the bracket (1); the interior of the first dust cover (5) is hollow; the first dust cover (5) is arranged outside the bearing seat (15); a second dust cover (51) is fixedly connected to the interior of the bracket (1); the interior of the second dust cover (51) is hollow; the second dust cover (51) is arranged outside the support seat (13).
6. A high-position forklift lifting mechanism according to claim 1, characterized in that: The side wall of the forklift arm (19) is bonded with an anti-collision strip (6); the anti-collision strip (6) is made of rubber.
7. A high-position forklift lifting mechanism according to claim 1, characterized in that: A first limit block (7) is fixedly connected to the interior of the bracket (1); the first limit block (7) is arranged at the top of the support column (4) and contacts the side wall of the support column (4); a second limit block (71) is fixedly connected to the interior of the bracket (1); the second limit block (71) is arranged at the bottom of the support column (4) and contacts the side wall of the support column (4).