Foldable hoisting mechanism
By designing a foldable lifting mechanism, using the combined structure of folding brackets and mobile brackets solves the problem of inconvenience when the carriage loading and unloading of the car truck loading and unloading goods, realized the safe and efficient lifting of the goods, and improved the efficiency and safety of loading and unloading.
Patent Information
- Application Number
- CN202420545356.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-20
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-03-20
AI Technical Summary
When loading and unloading goods, the vans, forklifts and cranes cannot be directly lifted into place, resulting in manual push and pulling of the cargo after it is lifted to the door of the car, which is laborious and unsafe, especially loading and unloading large-tonnage items can easily cause safety accidents.
A foldable hanging mechanism is designed, including fixed brackets, folding brackets, first tooth strips, second tooth strips, mobile brackets, driving components and hanging components. The folding bracket rotation is set at the end of the fixed bracket and extends to the carriage. The mobile bracket is controlled by the driving component on the fixed bracket and the folding bracket to slide. The hanging component is connected to the mobile bracket through the horizontal mobile bracket to achieve the cargo lifting.
Through the lifting mechanism, the goods can be easily lifted outside the carriage, simplifying the loading and unloading process, improving safety and efficiency, reducing the burden on the rack, extending its service life, and reducing structural costs.
Smart Images
Figure CN222408058U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of article hoisting, in particular to a foldable hoisting mechanism. Background Art
[0002] Vans are widely used for cargo transportation, but when loading and unloading vans, overhead cranes, forklifts and cranes cannot directly lift the goods into place. The only way is to open the door at the rear of the van, lift the goods to the door of the van, and then use manual pushing and pulling to move the goods to the right place, which is laborious and unsafe. The same problem also exists when unloading, especially when loading and unloading large tonnage items, which is easy to cause safety accidents. Utility Model Content
[0003] In view of the defects of the above-mentioned prior art, the main purpose of the utility model is to overcome the shortcomings of the prior art and discloses a foldable lifting mechanism, including a fixed bracket, a folding bracket, a first rack, a second rack, a movable bracket, a driving assembly and a lifting assembly, wherein the fixed bracket is installed on the two side walls inside the carriage, the folding bracket is rotatably arranged at the end of the fixed bracket, the first rack and the second rack are respectively installed on the fixed bracket and the folding bracket; when the folding bracket is unfolded, the first rack and the second rack are butted; the movable bracket is slidably arranged on the fixed bracket, the driving assembly and the lifting assembly are arranged on the movable bracket, the driving assembly is meshed with the first rack and the second rack, and the driving assembly is used to control the movable bracket to move on the fixed bracket and the folding bracket; when the folding bracket is unfolded, the folding bracket is fixedly connected to the fixed bracket by a locking member.
[0004] Further, the first rack and the second rack are both arranged on the sides of the fixed bracket and the folding bracket, and the first rack protrudes from the fixed bracket.
[0005] Furthermore, the movable bracket includes a crossbeam and guide components arranged at both ends of the crossbeam, and the guide components are slidably connected to the fixed bracket and the folding bracket.
[0006] Furthermore, the guide assembly comprises a guide bracket, guide wheels are arranged on both sides of the guide bracket, support rollers are arranged inside the guide bracket, and the support rollers are placed on the fixed bracket and the folding bracket.
[0007] Furthermore, two crossbeams are provided, and the two crossbeams are arranged in parallel and at intervals.
[0008] Furthermore, the hoisting assembly is slidably connected to the movable bracket via a horizontal moving assembly, and the horizontal moving assembly includes a connecting plate, and support wheels are arranged on both sides of the connecting plate, and the hoisting assembly is hung on the movable bracket by using the support wheels.
[0009] Furthermore, a limiting wheel is also provided on the connecting plate, and the limiting wheel is located below the supporting wheel.
[0010] Furthermore, the driving assembly includes a motor, a transmission shaft and a gear, the gear is installed on the movable bracket through a rotating shaft, the motor is connected to the rotating shaft through the transmission shaft, and the gear is meshed with the first rack and the second rack.
[0011] Furthermore, the locking member is a latch.
[0012] Furthermore, limiting plates are provided at both ends where the fixed bracket and the folding bracket are not connected.
[0013] Beneficial effects achieved by the utility model:
[0014] The utility model provides a folding bracket by rotating it at the end of a fixed bracket, and the track is extended to the outside of the carriage by unfolding the folding bracket, so that the lifting assembly can be moved outside the carriage to lift items and load and unload goods. The first rack protrudes from the fixed bracket, and the rack is arranged on the side of the bracket. The load of the mobile bracket and the goods is borne by the fixed bracket and the folding bracket. The rack only bears the driving force when the mobile bracket moves horizontally, which increases the service life of the rack. At the same time, the rack plays a role of limiting to limit the maximum unfolding angle of the folding bracket. The wire assembly cooperates with the fixed bracket and the folding bracket by arranging guide wheels and support rollers on the side to realize the guidance of the mobile bracket, without the need to set up additional structures such as guide rails, thereby reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional structural schematic diagram of a foldable lifting mechanism of the utility model;
[0016] Figure 2 for Figure 1 A schematic diagram of a three-dimensional structure from another perspective;
[0017] Figure 3 It is a three-dimensional structural schematic diagram of the mobile bracket, the horizontal moving component and the lifting component;
[0018] Figure 4 for Figure 3 Bottom view of
[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the horizontal moving component;
[0020] The reference numerals are as follows:
[0021] 1. Fixed bracket, 2. Folding bracket, 3. First rack, 4. Second rack, 5. Mobile bracket, 6. Driving assembly, 7. Lifting assembly, 8. Horizontal moving assembly, 9. Locking piece, 10. Limiting plate, 51. Crossbeam, 52. Guide assembly, 61. Motor, 62. Drive shaft, 63. Gear, 81. Connecting plate, 82. Support wheel, 83. Limiting wheel, 521. Guide bracket, 522. Guide wheel, 523. Support roller. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0023] A foldable lifting mechanism, such as Figure 1-Figure 5 As shown, it includes a fixed bracket 1, a folding bracket 2, a first rack 3, a second rack 4, a mobile bracket 5, a driving assembly 6 and a hanging assembly 7. The fixed bracket 1 is installed on the two side walls in the compartment. The folding bracket 2 is rotatably arranged at the end of the fixed bracket 1. The first rack 3 and the second rack 4 are respectively installed on the fixed bracket 1 and the folding bracket 2; when the folding bracket 2 is unfolded, the first rack 3 and the second rack 4 are butted; the mobile bracket 5 is slidably arranged on the fixed bracket 1, and the driving assembly 6 and the hanging assembly 7 are arranged on the mobile bracket 5. The driving assembly 6 is engaged with the first rack 3 and the second rack 4, and the driving assembly 6 is used to control the mobile bracket 5 to move along the X axis; because when the folding bracket 2 is unfolded, the folding bracket 2 is an extension of the fixed bracket 1, and the mobile bracket 5 can be moved to the folding bracket 2. When the folding bracket 2 is unfolded, the folding bracket 2 is fixedly connected to the fixed bracket 1 through the locking member 9. When in use, the folding bracket 2 is in the compartment when it is retracted, so that the compartment door can be closed. When the folding bracket 2 is unfolded, the folding bracket 2 is located outside the vehicle compartment, and the movable bracket 5 can be moved outside the vehicle compartment to lift the cargo through the lifting assembly 7 .
[0024] In one embodiment, if Figure 1-Figure 5 As shown, the first rack 3 and the second rack 4 are both arranged on the sides of the fixed bracket 1 and the folding bracket 2, and the first rack 3 protrudes from the fixed bracket 1; the rack is installed on the side, and the movable bracket 5 can be supported on the fixed bracket 1 and the folding bracket 2, and the rack does not need to bear the load of the hoisting component 7 hoisting the object, thereby improving the service life of the rack. In addition, one end of the first rack 3 protrudes from the fixed bracket 1, which plays a role in limiting the unfolding of the folding bracket 2, so as to ensure that the folding bracket 2 will not be over-expanded.
[0025] In one embodiment, if Figure 1-Figure 5As shown, the movable bracket 5 includes a crossbeam 51 and guide components 52 arranged at both ends of the crossbeam 51 , and the guide components 52 are slidably connected to the fixed bracket 1 and the folding bracket 2 .
[0026] Specifically, the guide assembly 52 includes a guide bracket 521, guide wheels 522 are arranged on both sides of the guide bracket 521, support rollers 523 are arranged inside the guide bracket 521, and the support rollers 523 are placed on the fixed bracket 1 and the folding bracket 2. In this embodiment, three guide wheels 522 are arranged, one guide wheel 522 is arranged on one side of the guide bracket 521, and two guide wheels 522 are arranged on the other side, and the three guide wheels 522 are distributed in a triangular shape. The three guide wheels 522 are rollingly connected to the side walls of the fixed bracket 1 and the folding bracket 2 to guide the movable bracket 5 to move along the X-axis.
[0027] In the above embodiment, if Figure 1-Figure 5 As shown, two cross beams 51 are provided, and the two cross beams 51 are arranged in parallel and at intervals. Through the above structure, the strength of the movable bracket 5 can be increased.
[0028] In one embodiment, if Figure 1-Figure 5 As shown, the hoisting assembly 7 is slidably connected to the mobile bracket through the horizontal moving assembly 8, and the horizontal moving assembly 8 includes a connecting plate 81, and support wheels 82 are arranged on both sides of the connecting plate 81. The hoisting assembly 7 is hung on the mobile bracket 5 by the support wheels 81. Specifically, the support wheels 81 are suspended on two parallel and spaced beams 51. The position of the hoisting assembly 7 in the Y-axis direction can be adjusted by manual drive.
[0029] In the above embodiment, if Figure 1-Figure 5 As shown, the connection plate 81 is also provided with a limiting wheel 83, and the limiting wheel 83 is located below the supporting wheel 82. Through the supporting wheel 82 and the limiting wheel 83, the connection plate 81 is limited to move up and down, that is, the hoisting assembly 7 is limited to shake up and down.
[0030] In one embodiment, if Figure 1-Figure 5 As shown, the driving assembly 6 includes a motor 61, a transmission shaft 62 and a gear 63. The gear 63 is installed on the mobile bracket 5 through a rotating shaft. The motor 61 is connected to the rotating shaft through the transmission shaft 62, and then the motor 61 rotates with the driving rotating shaft through the transmission shaft 62, thereby driving the gear 63 to rotate; the gear 63 is meshed with the first rack 3 and the second rack 4, and the gear 63 cooperates with the rack to drive the mobile bracket 5 to move along the X axis. Among them, the motor 61 is fixedly installed on the mobile bracket 5.
[0031] In one embodiment, if Figure 1-Figure 5 As shown, the locking member 9 is a latch.
[0032] In one embodiment, if Figure 1-Figure 5As shown, the two ends of the fixed bracket 1 and the folding bracket 2 that are not connected are provided with a limit plate 10. The limit plate 10 prevents the movable bracket 5 from sliding out of the fixed bracket 1 or the folding bracket 2.
[0033] In the utility model, Figure 1-Figure 5 As shown, the length of the fixing bracket 1 is set according to the length of the carriage, so that the hoisting assembly 7 can be moved to any position in the carriage.
[0034] When the utility model is used, Figure 1-Figure 5 As shown, the folding bracket 2 is unfolded, and the folding bracket 2 and the fixed bracket 1 are connected by the locking member 9 to ensure that the first rack 3 and the second rack 4 are combined together. The driving component 6 controls the mobile bracket 5 to move along the X-axis direction, and can adjust the position of the hanging component 7 in the Y-axis direction by manual driving. When loading and unloading goods, the driving component 6 controls the mobile bracket 5 to move to the folding bracket 2, so that the hanging component 7 is moved outside the car.
[0035] The above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. If the present invention is modified or replaced by equivalents without departing from the spirit and scope of the present invention, they should be included in the scope of protection of the claims of the present invention.
Claims
1. A foldable lifting mechanism, characterized in that: It includes a fixed bracket, a folding bracket, a first rack, a second rack, a movable bracket, a driving assembly and a hoisting assembly, wherein the fixed bracket is mounted on both side walls of the compartment, the folding bracket is rotatably arranged at the end of the fixed bracket, and the first rack and the second rack are respectively mounted on the fixed bracket and the folding bracket; When the folding bracket is unfolded, the first rack and the second rack are butted against each other; the mobile bracket is slidably arranged on the fixed bracket, the driving assembly and the lifting assembly are arranged on the mobile bracket, the driving assembly is meshed with the first rack and the second rack, and the driving assembly is used to control the mobile bracket to move on the fixed bracket and the folding bracket; when the folding bracket is unfolded, the folding bracket is fixedly connected to the fixed bracket through a locking member.
2. A foldable hanging mechanism according to claim 1, characterized in that: The first rack and the second rack are both arranged on the sides of the fixed bracket and the folding bracket, and the first rack protrudes from the fixed bracket.
3. A foldable hanging mechanism according to claim 1, characterized in that: The movable bracket comprises a crossbeam and guide components arranged at two ends of the crossbeam, and the guide components are slidably connected with the fixed bracket and the folding bracket.
4. A foldable hanging mechanism according to claim 3, characterized in that: The guide assembly comprises a guide bracket, guide wheels are arranged on both sides of the guide bracket, support rollers are arranged inside the guide bracket, and the support rollers are placed on the fixed bracket and the folding bracket.
5. The foldable hanging mechanism according to claim 3, characterized in that: Two cross beams are provided, and the two cross beams are arranged in parallel and at intervals.
6. The foldable hanging mechanism according to claim 1, characterized in that: The hoisting assembly is slidably connected to the movable bracket via a horizontal moving assembly. The horizontal moving assembly comprises a connecting plate. Support wheels are arranged on both sides of the connecting plate. The hoisting assembly is hung on the movable bracket by using the support wheels.
7. A foldable hanging mechanism according to claim 6, characterized in that: The connecting plate is also provided with a limiting wheel, and the limiting wheel is located below the supporting wheel.
8. The foldable hanging mechanism according to claim 1, characterized in that: The driving assembly includes a motor, a transmission shaft and a gear. The gear is installed on the movable bracket through a rotating shaft. The motor is connected to the rotating shaft through the transmission shaft. The gear is meshed with the first rack and the second rack.
9. The foldable hanging mechanism according to claim 1, characterized in that: The locking piece is a latch.
10. The foldable hanging mechanism according to claim 1, characterized in that: Limiting plates are arranged at two ends of the fixed bracket and the folding bracket that are not connected.