Lifting mechanism of loading device
By using an umbrella gear meshing mechanism and a lifting mechanism in the load device, the problem of oil leakage of the oil pressure system is solved, and the low -cost and convenient lifting function is realized.
Patent Information
- Application Number
- CN202310931501.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-07-27
- Publication Date
- 2025-01-28
AI Technical Summary
Existing oil pressure systems are prone to oil leakage due to broken oil pipes or aging oil seals, resulting in severe pollution and high maintenance costs.
A lifting mechanism of the loading device is designed, using the meshing mechanism of the first umbrella gear and the second umbrella gear. The lifting function of the oil pressure system is avoided by the telescopic expansion of the screw.
The lifting mechanism does not require oil pressure drivers to avoid the problems of oil leakage and shutdown maintenance, reduce maintenance and operating costs, use it more convenient, and simplify the overall structure.
Smart Images
Figure CN119370778A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a lifting mechanism, in particular to a lifting mechanism of a storage loading device. Background Art
[0002] According to the data, unmanned transport vehicles, rail vehicles and other loading devices used in warehousing all have a lifting mechanism, which uses a hydraulic system to connect a loading platform. When the goods are placed on the loading platform, the hydraulic system can be used to drive the goods to be lifted and lowered through the loading platform. In this way, the goods can be taken in and out of the warehouse smoothly.
[0003] However, the existing structure described above still has the following problems in practical application: the hydraulic system will inevitably leak oil due to factors such as oil pipe damage or oil seal aging. When oil leakage occurs, in addition to seriously contaminating the goods, the tracks and shelves of the warehouse, it will also require shutdown for inspection and cleaning, resulting in high maintenance and operating costs, and relative inconvenience in use.
[0004] Therefore, the inventor has considered this and thought of the idea of creation, and then designed it based on many years of experience, and after many discussions and sample tests, and many revisions and improvements, he launched the present invention. Summary of the invention
[0005] Technical issues to be solved:
[0006] The existing hydraulic system may leak oil due to factors such as damaged oil pipes or aging oil seals, which is a technical problem that needs to be solved.
[0007] Technical solutions to the problem:
[0008] The lifting mechanism of the object carrying device of the present invention comprises a main body, at least one first bevel gear, a second bevel gear, a screw and a conversion device, wherein an axial hole passes through the center of the end face of the main body, and the axial hole comprises a first hole portion and a second hole portion. The side of the main body is provided with at least one first bevel gear hole, so that the first bevel gear hole is provided for the first bevel gear to be installed, and the first bevel gear hole is connected with the first hole portion, and a groove is provided on one side of the second hole portion, so that the conversion device can convert the screw from a rotational state driven by the second bevel gear to a translational state of lifting in the groove, the first bevel gear and the second bevel gear are respectively accommodated in the first bevel gear hole and the first hole portion, so that the first bevel gear and the second bevel gear can be meshed with each other in the main body, and the first bevel gear is also provided with a transmission rod passing through the main body, so that the transmission A power source is connected to the rod, or multiple lifting mechanisms are connected together, and a screw hole is provided in the center of the second bevel gear, one end of the screw rod is screwed into the screw hole, so that the screw rod can be accommodated in the second hole portion when it is not in operation. By utilizing the meshing of the first bevel gear and the second bevel gear, the screw rod can be driven to extend when lifting action is required by rotating the first bevel gear. The conversion device has at least one abutment plate, which is fixedly arranged at one end of the screw rod screwed into the screw hole and horizontally extended in the groove. The abutment plate and the two side walls of the groove are used as abutments, so that the screw rod can only be driven to extend or retract, and cannot rotate with the second bevel gear. In addition, the end of the screw rod extending out of the second bevel gear is combined with a loading device, so that the goods to be taken in and out of the warehouse can be placed on the loading device; thus, a lifting mechanism of the loading device is formed.
[0009] As a further improvement of the present invention, a base is installed at one end of the main body, and a cover body is provided at the other end relative to the installation of the second bevel gear to allow the screw to extend out, and a first bearing is provided in the cover body and the second hole portion for the screw to pass through.
[0010] As a further improvement of the present invention, the first bevel gear and the second bevel gear are both sleeved with a second bearing, so that the first bevel gear and the second bevel gear can rotate smoothly through the second bearing.
[0011] As a further improvement of the present invention, the aperture of the first hole portion is larger than that of the second hole portion.
[0012] As a further improvement of the present invention, the main body is provided with two first bevel gear holes, and each of the first bevel gear holes is provided with a first bevel gear meshing with the second bevel gear, so that the transmission rod of one of the first bevel gears is connected to the power source, and the transmission rod of the other first bevel gear is used to connect with the other lifting mechanism.
[0013] As a further improvement of the present invention, the power source is a motor.
[0014] As a further improvement of the present invention, the power source is a motor with a reducer.
[0015] As a further improvement of the present invention, the conversion device also has a C-shaped tube sleeved on the outer periphery of the screw.
[0016] As a further improvement of the present invention, the object carrying device is a object carrying platform.
[0017] As a further improvement of the present invention, the cargo carrying device is a rail car having wheels for running and connected to the lifting mechanism. The wheels are raised and lowered synchronously by extending or retracting the screw rod of the lifting mechanism downward, so that the height of the rail car body can be changed accordingly to lift or lower the cargo.
[0018] Compared with the efficacy of existing technologies:
[0019] (1) The lifting mechanism of the object carrying device of the present invention does not need to be driven by oil pressure, so there is no problem of oil leakage requiring shutdown for inspection or cleaning, so that the maintenance and operating costs of the lifting mechanism can be reduced to a minimum, and it will be more convenient to use.
[0020] (ii) The lifting mechanism of the object-carrying device of the present invention utilizes the meshing of the first bevel gear and the second bevel gear, and can directly turn without providing a steering mechanism between the first bevel gear and the second bevel gear, so that the overall structure of the lifting mechanism can be simplified and less complicated. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a three-dimensional combination diagram of the first preferred embodiment of the present invention.
[0022] Figure 2 It is a three-dimensional exploded view of the first preferred embodiment of the present invention.
[0023] Figure 3 It is a combined cross-sectional view of the first preferred embodiment of the present invention.
[0024] Figure 4 This is a lifting state diagram of the first preferred embodiment of the present invention.
[0025] Figure 5 It is a three-dimensional exploded view of a second preferred embodiment of the present invention.
[0026] Figure 6 It is a combined cross-sectional view of a second preferred embodiment of the present invention.
[0027] Figure 7 This is a usage status diagram of the second preferred embodiment of the present invention.
[0028] Figure 8 It is a three-dimensional combination diagram of the third preferred embodiment of the present invention.
[0029] Fig. 9 It is a combined cross-sectional view of the third preferred embodiment of the present invention.
[0030] Fig.10 This is a three-dimensional diagram of the third preferred embodiment of the present invention in use.
[0031] Fig.11 This is a three-dimensional view from another angle of the third preferred embodiment of the present invention in use.
[0032] Fig.12 This is a state diagram of the wheels rising according to the third preferred embodiment of the present invention.
[0033] Fig.13 This is a state diagram of the wheels being lowered according to the third preferred embodiment of the present invention.
[0034] Explanation of symbols:
[0035] Part of the present invention:
[0036] Lifting mechanism --- 1 Power source --- 2
[0037] Carrying device -------3 Wheels -----------4
[0038] Body---10 Shaft hole---11
[0039] First hole part----111 Second hole part----112
[0040] First bevel gear hole--12 Groove------13
[0041] First bevel gear---20 Transmission rod----21
[0042] Second bevel gear---30 Screw hole-----31
[0043] Screw------40
[0044] Conversion device -------50 Retaining plate -------51
[0045] C-shaped tube-----52
[0046] Base ---------------60
[0047] Cover body ---------------70
[0048] First bearing----80 Second bearing----800 DETAILED DESCRIPTION
[0049] In order to further understand and appreciate the purpose, features and effects of the present invention, please refer to the following [Brief Description of the Figures] for details:
[0050] Generally, according to the present invention, first Figures 1 to 4As shown, the present invention provides a lifting mechanism for a loading device, the lifting mechanism 1 includes a body 10, at least one first bevel gear 20, a second bevel gear 30, a screw 40 and a conversion device 50, wherein an axial hole 11 is passed through the center of the end surface of the body 10, the axial hole 11 includes a first hole portion 111 and a second hole portion 112, and at least one first bevel gear hole 12 is provided on the side of the body 10, so that the first bevel gear hole 12 is provided for the first bevel gear 20 to be installed, and the first bevel gear hole 12 is connected to the first bevel gear hole 12. The first hole 111 is connected, and a groove 13 is provided on one side of the second hole 112, so that the conversion device 50 can convert the screw 40 from the rotation state driven by the second bevel gear 30 to the translation state of lifting in the groove 13. The first bevel gear 20 and the second bevel gear 30 are respectively accommodated in the first bevel gear hole 12 and the first hole 111, so that the first bevel gear 20 and the second bevel gear 30 can be meshed with each other in the body 10. The first bevel gear 20 is also provided with a The transmission rod 21 passing through the body 10 is connected to the power source 2 or multiple lifting mechanisms 1 are connected together. A screw hole 31 is provided in the center of the second bevel gear 30. One end of the screw rod 40 is screwed into the screw hole 31 so that the screw rod 40 can be accommodated in the second hole 112 when not in operation. By meshing the first bevel gear 20 with the second bevel gear 30, the screw rod 40 can be extended by the rotation of the first bevel gear 20 when lifting is required. The conversion device 50 has at least one abutment plate 51, which is fixedly mounted on one end of the screw rod 40 that is screwed into the screw hole 31 and horizontally extended in the groove 13. The abutment plate 51 and the two side walls of the groove 13 are used as abutments, so that the screw rod 40 can only be driven to extend or retract, and cannot rotate with the second bevel gear 30. In addition, the screw rod 40 is combined with a loading device 3 at the end extending out of the second bevel gear 30, so that the goods to be taken in and out of the warehouse can be placed on the loading device 3.
[0051] The present invention provides a lifting mechanism for a loading device, wherein a base 60 is installed at one end of the main body 10, and a cover body 70 is installed at the other end relative to the installation of the second bevel gear 30 to allow the screw 40 to extend out, and a first bearing 80 is provided in the cover body 70 and the second hole portion 112 for the screw 40 to pass through.
[0052] The present invention provides a lifting mechanism for a loading device, wherein the first bevel gear 20 and the second bevel gear 30 are both sleeved with a second bearing 800, so that the first bevel gear 20 and the second bevel gear 30 can rotate smoothly through the second bearing 800.
[0053] The present invention provides a lifting mechanism for a loading device, wherein the diameter of the first hole portion 111 is larger than that of the second hole portion 112 .
[0054] The present invention provides a lifting mechanism for a loading device, wherein the body 10 is provided with two first bevel gear holes 12, each of which is provided with a first bevel gear 20 meshing with the second bevel gear 30, so that the transmission rod 21 of one of the first bevel gears 20 is connected to the power source 2, and the transmission rod 21 of the other first bevel gear 20 is used to connect with the other lifting mechanism 1 (please refer to the embodiment of the present invention at the same time). Figure 5 , Figure 6 , Figure 7 , Fig.10 , Fig.11 shown).
[0055] The present invention provides a lifting mechanism for a loading device, wherein the power source 2 is a motor.
[0056] The present invention provides a lifting mechanism for a loading device, wherein the power source 2 is a motor with a reducer.
[0057] The present invention provides a lifting mechanism for a loading device, wherein the conversion device 50 further comprises a C-shaped tube 52 which is sleeved on the outer periphery of the screw rod 40 .
[0058] The present invention provides a lifting mechanism for a loading device, wherein the loading device 3 is a loading platform (please also refer to Figure 3 , Figure 4 , Figure 5 shown).
[0059] The present invention provides a lifting mechanism for a cargo carrier, wherein the cargo carrier 3 is a rail vehicle, the wheels 4 of the rail vehicle are used for running and are connected to the lifting mechanism 1, and the wheels 4 are synchronously driven to move up and down by the downward extension or retraction of the screw rod 40 of the lifting mechanism 1, so that the height of the rail vehicle can be changed accordingly, so as to achieve the effect of lifting or lowering the cargo (please also Figures 8 to 13 shown).
[0060] In actual use, the first bevel gear 20 is used to drive the second bevel gear 30 to rotate, so that the screw rod 40 can be extended or retracted accordingly, so that the goods placed on the loading device 3 can be lifted or lowered through the extension or retraction of the screw rod 40. Because the lifting mechanism 1 does not need to be driven by oil pressure, there is relatively no problem of oil leakage and shutdown for inspection or cleaning, so that the maintenance and operating costs of the lifting mechanism 1 can be reduced to a minimum, and it will be more convenient to use. In addition, by using the meshing of the first bevel gear 20 and the second bevel gear 30, there is no need to set up a steering mechanism between the first bevel gear 20 and the second bevel gear 30, and direct steering can be achieved, so that the overall structure of the lifting mechanism 1 can be simpler and less complicated.
[0061] The above description is only a preferred embodiment of the present invention and should not be used to limit the scope of the present invention. That is, all equivalent changes and modifications made according to the scope of the patent application of the present invention should still fall within the scope covered by the patent of the present invention.
Claims
1. A lifting mechanism for a loading device, characterized in that: The lifting mechanism includes a body, at least a first bevel gear, a second bevel gear, a screw and a conversion device, wherein: An axial hole is passed through the center of the end surface of the body, and the axial hole includes a first hole portion and a second hole portion. At least one first bevel gear hole is provided on the side of the body, so that the first bevel gear hole is provided for mounting the first bevel gear, and the first bevel gear hole is connected to the first hole portion. A groove is provided on one side of the second hole portion, so that the conversion device can convert the screw from a rotation state driven by the second bevel gear to a translation state of lifting and lowering in the groove; The first bevel gear and the second bevel gear are respectively accommodated in the first bevel gear hole and the first hole portion, so that the first bevel gear and the second bevel gear can mesh with each other in the body, and the first bevel gear is provided with a transmission rod passing through the body, so that the transmission rod is connected to a power source, or a plurality of the lifting mechanisms are connected together, and a screw hole is provided in the center of the second bevel gear; One end of the screw rod is screwed into the screw hole so that the screw rod can be accommodated in the second hole portion when not in operation. By meshing the first bevel gear with the second bevel gear, the screw rod can be extended by the rotation of the first bevel gear when lifting and lowering is required. The conversion device has at least one abutment plate, which is fixed on one end of the screw rod that is screwed into the screw hole and extends horizontally in the groove. The abutment plate and the two side walls of the groove are used as abutments, so that the screw rod can only be driven to extend or retract, and cannot rotate with the second bevel gear. In addition, the end of the screw rod that extends out of the second bevel gear is combined with a loading device, so that the goods to be picked up or put in and out of the warehouse can be placed on the loading device.
2. The lifting mechanism of the loading device according to claim 1, characterized in that: A base is installed at one end of the body, and a cover body is installed at the other end relative to the second bevel gear to allow the screw to extend out, and a first bearing for the screw to pass through is provided in the cover body and the second hole.
3. The lifting mechanism of the loading device according to claim 1, characterized in that: The first bevel gear and the second bevel gear are both sleeved with a second bearing, so that the first bevel gear and the second bevel gear can rotate smoothly through the second bearing.
4. The lifting mechanism of the loading device according to claim 1, characterized in that: The first hole portion has a larger hole diameter than the second hole portion.
5. The lifting mechanism of the loading device according to claim 1, characterized in that: The body is provided with two first bevel gear holes, and each of the first bevel gear holes is provided with a first bevel gear meshing with the second bevel gear, so that the transmission rod of one of the first bevel gears is connected to the power source, and the transmission rod of the other first bevel gear is used to connect with the other lifting mechanism.
6. The lifting mechanism of the object loading device according to claim 1 or claim 5, characterized in that: The power source is a motor.
7. The lifting mechanism of the object loading device according to claim 1 or claim 5, characterized in that: The power source is a motor with a reducer.
8. The lifting mechanism of the loading device according to claim 1, characterized in that: The conversion device also has a C-shaped tube sleeved on the outer periphery of the screw.
9. The lifting mechanism of the loading device according to claim 1, characterized in that: The object carrying device is an object carrying platform.
10. The lifting mechanism of the loading device according to claim 1, characterized in that: The cargo-carrying device is a rail car having wheels for running and connected to the lifting mechanism. The wheels are raised and lowered synchronously by the downward extension or retraction of the screw rod of the lifting mechanism, so that the height of the rail car body can be changed accordingly to lift or lower the cargo.