Medium-sized load stable lifting mechanism
By combining the horizontal thrust assembly, lifting assembly, and auxiliary guide assembly, the problem of balancing high precision and medium-to-high load was solved, achieving high precision and high load capacity of the medium-load smooth lifting mechanism, and improving the positioning accuracy and service life of the equipment.
Patent Information
- Application Number
- CN202423277299.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In the existing technology, precision lifting mechanisms have shortcomings in balancing high lifting accuracy and medium-to-high load capacity. In particular, screw rotary lifting mechanisms have low positioning accuracy and short service life, while linear lifting cylinders have low load capacity and poor self-locking performance.
The device employs a combined design of a horizontal thrust assembly, a lifting assembly, and an auxiliary guide assembly. Horizontal thrust is achieved by driving a screw with a servo motor. Combined with the cooperation of inclined rails and pulleys, the horizontal movement of the slider is converted into vertical lifting. The auxiliary guide assembly maintains the lifting accuracy and stability of the device.
It achieves smooth lifting and lowering with high precision under high load, meets the requirements of high-precision equipment, and improves the lifting and positioning accuracy and service life of the equipment.
Smart Images
Figure CN223592332U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lifting device technical field, concretely is a kind of medium load stable lifting mechanism. BACKGROUND
[0002] At present, the precision lifting mechanism is mainly screw rotation lifting or linear jacking cylinder lifting, the screw rotation lifting mechanism has the problems of low lifting positioning accuracy and short service life, and the linear jacking cylinder has the disadvantages of low load and poor self-locking, with the improvement of machining accuracy, there is an increasing urgent need for a lifting device that can realize medium and high load and meet high precision requirements in the market, based on this, a medium load stable lifting mechanism is provided. SUMMARY
[0003] The utility model discloses a purpose at: in order to solve the problem that high lifting precision and medium and high load cannot be considered simultaneously in the prior art, provide a kind of medium load stable lifting mechanism.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of medium load stable lifting mechanism, including horizontal thrust component, lifting assembly, auxiliary guide component, the horizontal thrust component is used to provide horizontal thrust for the operation of lifting assembly, the lifting assembly is used to provide guide for the horizontal operation of horizontal thrust component, simultaneously, the horizontal operation of horizontal thrust component is converted into vertical operation, the auxiliary guide component is used to provide auxiliary limit and guide for the lifting operation of lifting assembly;
[0005] The horizontal thrust component includes servo motor, mounting seat, screw rod, bearing base, sliding block and movable bottom plate;
[0006] The servo motor is installed on the rack by mounting seat, the screw rod is rotatably connected to the mounting seat and fixedly connected with the output end of servo motor, the other end of the screw rod is rotatably connected with the bearing base, and the bearing base is installed on the rack to provide support for the rotation of the screw rod;
[0007] The sliding block is threadedly connected to the outer side of the screw rod, and the movable bottom plate is fixed to the bottom end of the sliding block, and the horizontal movement of the sliding block and the movable bottom plate is realized by the rotation of the screw rod;
[0008] The lifting assembly includes horizontal guide rail, lifting plate, guard plate, inclined rail slot, pulley and connection module.
[0009] The horizontal guide rail is fixedly installed on the rack and distributed below one side of the movable bottom plate, and the movable bottom plate is slidably connected with the horizontal guide rail through the sliding seat at the bottom, to provide guide and limit for the movement of the movable bottom plate.
[0010] The lifting plate is fixed on one side top of the moving bottom plate, and the guard plate is distributed on one side of the lifting plate; the inclined rail groove is formed between the top of the lifting plate and the inner side of the guard plate;
[0011] The connecting module is fixed on the bottom end of the equipment to be lifted, the pulley is rotatably connected to the bottom end of the connecting module and rollingly connected to the inner side of the inclined rail groove; when the lifting plate and the inclined rail groove move horizontally with the moving bottom plate, the lifting and lowering operation of the connecting module is realized through the cooperation of the inclined rail groove and the pulley.
[0012] As a further scheme of the utility model, the auxiliary guide assembly comprises a linear shaft, a shaft sleeve and a connecting seat.
[0013] The shaft sleeve is fixed on the rack, the linear shaft is vertically and slidably connected to the inner side of the shaft sleeve and penetrates the upper and lower ends of the shaft sleeve, and the connecting seat is fixed on the top of the linear shaft and fixedly connected to the bottom end of the equipment to be lifted, so as to provide lifting guide and limiting for the equipment to be lifted.
[0014] As a further scheme of the utility model, the upper surface of the lifting plate is in the shape of "√", the side surface of the guard plate is in the shape of "7", the vertical parts of the lifting plate and the guard plate are attached, the lower surface of the top horizontal part of the guard plate is in the shape of an inclined surface, the lower inclined surface of the top horizontal part of the guard plate and the upper inclined surface of the lifting plate form the inclined rail groove, and the "√" end of the upper surface of the lifting plate is used for limiting the downward movement of the pulley.
[0015] As a further scheme of the utility model, the lower surface of the top horizontal part of the guard plate and the two "√" of the upper surface of the lifting plate form the inclined rail groove, and the height of the inclined rail groove matches the diameter of the pulley.
[0016] As a further scheme of the utility model, the top view of the moving bottom plate is in the shape of a side-up "concave", and two groups of the servo motor, the screw rod, the sliding block, the lifting assembly and the auxiliary guide assembly can be symmetrically arranged with the center line of the moving bottom plate as the center.
[0017] Compared with the prior art, the utility model has the advantages that:
[0018] Through the horizontal thrust assembly and the lifting assembly, the horizontal movement of the sliding seat driven by the screw rod can be converted into the lifting movement of the pulley and the connecting module, so that the high load function is good; meanwhile, the inclined surface of the inclined rail groove can guide and press the pulley, so that the lifting movement has good lifting precision; and through the cooperation of the auxiliary guide assembly, the motion stability during the lifting process is good, so that the use requirement of high-precision equipment can be met. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 The drawings show the structural schematic diagram of the utility model.
[0020] Fig. 2 The structural front view of the utility model.
[0021] In the figure: 1, horizontal thrust assembly; 101, servo motor; 102, mounting seat; 103, screw rod; 104, bearing base; 105, sliding block; 106, moving bottom plate; 2, lifting assembly; 201, horizontal guide rail; 202, lifting plate; 203, guard plate; 204, inclined rail groove; 205, pulley; 206, connecting module; 3, auxiliary guide assembly; 301, linear shaft; 302, shaft sleeve; 303, connecting seat. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Please refer to Figs. 1-2 In the embodiments of the utility model, a medium-load stable lifting mechanism comprises a horizontal thrust assembly 1, a lifting assembly 2 and an auxiliary guide assembly 3. The horizontal thrust assembly 1 is used for providing horizontal thrust for the operation of the lifting assembly 2. The lifting assembly 2 is used for providing guidance for the horizontal operation of the horizontal thrust assembly 1 and simultaneously converting the horizontal operation of the horizontal thrust assembly 1 into vertical operation. The auxiliary guide assembly 3 is used for providing auxiliary limiting and guidance for the lifting operation of the lifting assembly 2.
[0024] The horizontal thrust assembly 1 comprises a servo motor 101, a mounting seat 102, a screw rod 103, a bearing base 104, a sliding block 105 and a moving bottom plate 106.
[0025] The servo motor 101 is mounted on a rack through the mounting seat 102. The screw rod 103 is rotationally connected to the mounting seat 102 and fixedly connected with the output end of the servo motor 101. The other end of the screw rod 103 is rotationally connected with the bearing base 104. The bearing base 104 is mounted on the rack and used for providing support for the rotation of the screw rod 103.
[0026] The sliding block 105 is screwedly connected to the outer side of the screw rod 103. The moving bottom plate 106 is fixed to the bottom end of the sliding block 105. The horizontal movement of the sliding block 105 and the moving bottom plate 106 is realized through the rotation of the screw rod 103.
[0027] The lifting assembly 2 comprises a horizontal guide rail 201, a lifting plate 202, a guard plate 203, an inclined rail groove 204, a pulley 205 and a connecting module 206.
[0028] The horizontal guide rail 201 is fixedly installed on the rack and is distributed below one side of the moving base plate 106, and the bottom of the moving base plate 106 is slidably connected with the horizontal guide rail 201 through a sliding seat, for providing guidance and limiting for the movement of the moving base plate 106;
[0029] The lifting plate 202 and the guard plate 203 are fixed to the top of one side of the moving base plate 106, and the guard plate 203 is distributed on one side of the lifting plate 202, and the inclined rail groove 204 is formed between the top of the lifting plate 202 and the inner side of the guard plate 203;
[0030] The top of the connecting module 206 is fixedly installed at the bottom end of the equipment to be lifted, and the pulley 205 is rotatably connected to the bottom end of the connecting module 206 and is rollingly connected to the inner side of the inclined rail groove 204, and when the lifting plate 202 and the inclined rail groove 204 move horizontally with the moving base plate 106, the lifting plate 202 and the inclined rail groove 204 are used to realize the lifting operation of the connecting module 206 through the cooperation of the inclined rail groove 204 and the pulley 205;
[0031] The auxiliary guide assembly 3 comprises a linear shaft 301, a shaft sleeve 302 and a connecting seat 303;
[0032] The shaft sleeve 302 is fixed to the rack, the linear shaft 301 is vertically slidably connected to the inner side of the shaft sleeve 302 and penetrates the upper and lower ends of the shaft sleeve 302, and the connecting seat 303 is fixed to the top of the linear shaft 301 and is fixedly connected with the bottom end of the equipment to be lifted, for providing lifting guidance and limiting for the equipment to be lifted.
[0033] In this embodiment, the working principle of the lifting mechanism is as follows:
[0034] The coupling of the servo motor 101 is connected with the screw rod 103, the servo motor 101 drives the screw rod 103 to rotate, the screw rod 103 drives the sliding block 105 and the moving base plate 106 to move, and the moving base plate 106 drives the lifting plate 202 and the guard plate 203 to move, so as to convert the rotary movement of the screw rod 103 into the horizontal movement of the lifting plate 202;
[0035] The lifting plate 202 moves through the inclined rail groove 204 and drives the pulley 205 to move up and down, so as to realize the synchronous lifting of the connecting module and the equipment to be lifted on the top of the connecting module;
[0036] At the same time, the equipment to be lifted moves up and down through the connecting seat 302 to drive the linear shaft 301 to move up and down synchronously, the linear shaft 301 moves up and down along the inner wall of the shaft sleeve 301, and through the precise cooperation of the linear shaft 302 and the shaft sleeve 301, the horizontal position precision of the equipment to be lifted can be maintained, and the lifting stability of the equipment to be lifted is further improved.
[0037] Please refer to Figs. 1-2, the upper surface of the lifting plate 202 is in the shape of "√", the side surface of the guard plate 203 is in the shape of "7", the vertical part of the lifting plate 202 is attached to the side surface of the guard plate 203, the lower surface of the top horizontal part of the guard plate 203 is in the shape of an inclined surface, the lower inclined surface of the top horizontal part of the guard plate 203 and the upper inclined surface of the lifting plate 202 form an inclined rail groove 204, and the "√" end of the upper surface of the lifting plate 202 is used for limiting the downward movement of the pulley 205;
[0038] The lower surface of the top horizontal part of the guard plate 203 and the two "√" of the upper surface of the lifting plate 202 form the inclined rail groove 204, and the height of the inclined rail groove 204 matches the diameter of the pulley 205.
[0039] In the embodiment, the pulley 205 and the inclined rail groove 204 are limited by the above structure, so as to realize the function of converting the horizontal movement of the lifting plate 202 into the vertical lifting of the pulley 205, and the required lifting linearity can be obtained by changing the inclined angle of the upper surface of the lifting plate 202.
[0040] Please refer to Fig. 1 The top view of the moving base plate 106 is in the shape of a side-up concave, the servo motor 101, the screw rod 103, the sliding block 105, the lifting assembly 2 and the auxiliary guide assembly 3 are symmetrically arranged in two groups with the center line of the moving base plate 106 as the center.
[0041] In the embodiment, the stability of lifting is further improved by the two groups of symmetrically distributed lifting assemblies 2 and auxiliary guide assemblies 3, and the lifting load is further improved by the two groups of servo motors 101, screw rods 103 and sliding blocks 105.
[0042] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A medium duty load leveler mechanism, characterized by, The utility model provides horizontal thrust component (1), lifting component (2), auxiliary guide component (3), horizontal thrust component (1) is used for providing horizontal thrust for the operation of lifting component (2), lifting component (2) is used for providing guide for the horizontal operation of horizontal thrust component (1) simultaneously, and the horizontal operation of horizontal thrust component (1) is converted into vertical operation, and auxiliary guide component (3) is used for providing auxiliary limit and guide for the lifting operation of lifting component (2); Horizontal thrust component (1) includes servo motor (101), mounting seat (102), screw rod (103), bearing base (104), sliding block (105) and mobile base plate (106); Servo motor (101) is installed on the rack through mounting seat (102), screw rod (103) is rotatably connected to mounting seat (102) and is fixedly connected with the output end of servo motor (101), the other end of screw rod (103) is rotatably connected with bearing base (104), bearing base (104) is installed on the rack and is used to support the rotation of screw rod (103); Sliding block (105) is threadedly connected to the outside of screw rod (103), mobile base plate (106) is fixed to the bottom end of sliding block (105), and the horizontal movement of sliding block (105) and mobile base plate (106) is realized by the rotation of screw rod (103); Lifting component (2) includes horizontal guide rail (201), lifting plate (202), guard plate (203), inclined rail groove (204), pulley (205) and connection module (206); Horizontal guide rail (201) is fixedly installed on the rack and is distributed below one side of mobile base plate (106), the bottom of mobile base plate (106) is slidably connected with horizontal guide rail (201) through a sliding seat, and is used to guide and limit the movement of mobile base plate (106); Lifting plate (202) and guard plate (203) are fixed to the top of one side of mobile base plate (106), and guard plate (203) is distributed on one side of lifting plate (202), inclined rail groove (204) is formed between the top of lifting plate (202) and the inside of guard plate (203); The bottom of connection module (206) is fixedly installed on the bottom of the equipment to be lifted, pulley (205) is rotatably connected to the bottom of connection module (206) and is rollingly connected to the inside of inclined rail groove (204), when lifting plate (202) and inclined rail groove (204) move horizontally with mobile base plate (106), the lifting operation of connection module (206) is realized through the cooperation of inclined rail groove (204) and pulley (205).
2. A medium duty load level-lifting mechanism according to claim 1, wherein Auxiliary guide component (3) includes straight shaft (301), shaft sleeve (302) and connecting seat (303). The shaft sleeve (302) is fixed on the frame, the linear shaft (301) is vertically and slidingly connected to the inner side of the shaft sleeve (302) and penetrates the upper and lower ends of the shaft sleeve (302), the connecting seat (303) is fixed on the top of the linear shaft (301) and is fixedly connected with the bottom end of the equipment needing to be lifted, so as to provide lifting guide and limiting for the equipment needing to be lifted.
3. A medium duty load level-lifting mechanism according to claim 1, wherein The upper surface of the lifting plate (202) is in the shape of "√", the side surface of the guard plate (203) is in the shape of "7", the vertical side surface of the lifting plate (202) is attached to the guard plate (203), the lower surface of the top transverse part of the guard plate (203) is in the shape of an inclined surface, the lower inclined surface of the top transverse part of the guard plate (203) and the upper inclined surface of the lifting plate (202) form an inclined track groove (204), and the "√" end of the upper surface of the lifting plate (202) is used for limiting the downward movement of the pulley (205).
4. A medium duty load level-lifting mechanism according to claim 1, wherein The height of the inclined track groove (204) is matched with the diameter of the pulley (205).
5. A medium duty load level-lifting mechanism according to claim 1, wherein The top view of the moving bottom plate (106) is in the shape of a side-up "concave", the servo motor (101), the screw rod (103), the sliding block (105), the lifting assembly (2) and the auxiliary guide assembly (3) are symmetrically provided with two groups with the center line of the moving bottom plate (106) as the center.