Horizontal rotary speed reducer and speed reduction transmission mechanism
By adopting a worm gear transmission structure and sliding bearings, the horizontal rotary reducer solves the problems of high cost and complex installation of the vertical structure, achieving cost savings and simplified installation, and has a self-locking function.
Patent Information
- Application Number
- CN202420017163.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2023-03-22
- Filing Date
- 2024-01-03
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-01-03
AI Technical Summary
Most existing horizontal rotary reducers adopt a vertical structure, which is costly and complicated to install, especially since the steel balls in the slewing bearing structure are inserted one by one, making assembly difficult.
A horizontal rotary reducer is adopted, using a worm gear transmission structure and sliding bearings. The slewing bearing is eliminated, and the worm gear transmission mechanism is connected to the gear. Combined with the design of sliding bearings and limit protrusions, the installation process is simplified.
It reduces costs, simplifies the installation process, has a self-locking function, improves assembly efficiency, and reduces processing difficulty and material costs.
Smart Images

Figure CN223609262U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of speed reducer, concretely relates to horizontal rotary speed reducer and speed reduction transmission mechanism. BACKGROUND
[0002] The rising trend of the proportion of solar photovoltaic power generation in the power market is rapid, and the future market prospect is extremely considerable, and the adoption of a tracking system in a large commercial power station can increase the power generation of the whole power station by more than 20%, therefore, more and more commercial power stations adopt tracking power generation, in the solar tracking system, the speed reducer is the core device for driving the main beam to rotate.
[0003] The existing horizontal rotary speed reducer commonly adopts a rotary supporting structure in the industry, the cost is higher, and when the rotary supporting structure is adopted, the steel balls need to be inserted one by one during installation, and the assembly difficulty is higher. UTILITY MODEL CONTENTS
[0004] In order to overcome the defects in the background art, the utility model provides a horizontal rotary speed reducer, mainly solves the problems that most of the current speed reducers adopt a vertical structure, the cost is higher, and when the rotary supporting structure is adopted, the steel balls need to be inserted one by one during installation, and the assembly difficulty is higher.
[0005] The utility model adopts the technical scheme that:
[0006] A horizontal rotary speed reducer, comprising a shell and a gear, the gear is installed with a fixed surface, the shell is axially provided with an output surface, the motor is connected with the gear through a worm gear transmission mechanism, and a sliding bearing is arranged between the gear and the shell.
[0007] The worm gear transmission mechanism comprises a transmission rod and a worm driven by the motor, the transmission rod is provided with a worm wheel that is in synchronous rotation and engaged with the worm, and the transmission rod is engaged with the gear.
[0008] The shell comprises an inner wheel and an outer ring, an installation groove is formed between the inner wheel and the outer ring, one end of the gear extends into the installation groove and is provided with the sliding bearing between the outer wall of the inner wheel and the gear, and the other end of the gear is arranged outside the installation groove and used for being installed with the fixed surface.
[0009] The outer wall of the inner wheel is further provided with a press ring, the inner wall of the gear is provided with a flange, and the press ring is arranged outside the flange and used for preventing the gear from falling out.
[0010] The gear is circumferentially provided with two blocking walls, the shell is provided with a limiting lug, and a space for the movement of the limiting lug is formed between the two blocking walls.
[0011] A speed reduction transmission mechanism comprises a passive speed reducer and a horizontal rotary speed reducer, and the horizontal rotary speed reducer is connected with the passive speed reducer through a linkage rod.
[0012] The horizontal rotary speed reducer is provided with the passive speed reducer on both sides, the motor comprises a driving shaft, the driving shaft drives the worm to rotate through a gear transmission mechanism, and the worm is connected with the linkage rod.
[0013] The horizontal rotary speed reducer is provided with the passive speed reducer on one side, the motor comprises a driving shaft, the driving shaft is connected with the worm, and the worm is connected with the linkage rod.
[0014] The horizontal rotary speed reducer is provided with the passive speed reducer on both sides, the motor comprises a driving shaft, the driving shaft drives the worm to rotate through a gear transmission mechanism, and the worm is connected with the linkage rod. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a sectional view schematic diagram of the embodiment of the utility model.
[0016] Figure 2 It is a sectional view schematic diagram of the embodiment of the utility model.
[0017] Figure 3 It is Figure 2 It is a sectional view schematic diagram of the embodiment of the utility model.
[0018] Figure 4 It is Figure 3 It is a sectional view schematic diagram of the embodiment of the utility model.
[0019] Figure 5 It is a sectional view schematic diagram of the embodiment of the utility model.
[0020] Figure 6 It is a sectional view schematic diagram of the embodiment of the utility model.
[0021] Figure 7 It is a sectional view schematic diagram of the embodiment of the utility model.
[0022] Figure 8 It is Figure 7 It is a sectional view schematic diagram of the embodiment of the utility model.
[0023] Figure 9 It is Figure 8 It is a sectional view schematic diagram of the embodiment of the utility model.
[0024] Figure 10 It is a sectional view schematic diagram of the embodiment of the utility model. DETAILED DESCRIPTION
[0025] The utility model makes further explanation in combination with the drawings: as shown in a kind of horizontal rotary speed reducer, including shell 1 and gear 2, the gear is installed with fixed surface, the shell is equipped with motor 3, the shell is axially equipped with output face 11, the motor is connected with the gear by worm gear mechanism 4, the gear is equipped with sliding bearing 5 between the shell. Traditional rotary support structure is used, when installing, steel ball needs to be plugged in one by one, and when processing inner and outer steel ball roller, it is more troublesome, and the processing cost is high, the box material is generally nodular cast iron, after rough machining of steel ball roller, it needs to be hardened by heat treatment, then roller finishing machining is carried out, and the processing difficulty is great, and the cost is high;When the product is used, the gear can be fixed immovably on stand column, when the motor rotates, the shell rotates, of course, the motor installed on the shell also rotates, sliding bearing is used, which is more conducive to assembly, and worm gear mechanism is used, which can have certain speed ratio and self-locking function, and the output face can be directly fixed on the mounting bracket of user, without transition parts.
[0026] In the embodiment, as shown in the figure, the worm gear mechanism includes transmission rod 41, worm 42 driven by the motor, the transmission rod is equipped with worm gear 43 meshing with the worm and rotating synchronously, and the transmission rod is meshed with the gear. The motor drives the worm, the worm and the worm gear of the transmission rod are meshed to drive the transmission rod to rotate, the transmission rod rotates to drive the gear to rotate, and the outer wall of the transmission rod is provided with a tooth portion meshing with the gear.
[0027] In the embodiment, as shown in the figure, the shell includes inner wheel 101 and outer ring 102, the installation groove 103 is formed between the inner wheel and the outer ring, one end of the gear extends into the installation groove and is provided with the sliding bearing between the outer wall of the inner wheel, and the other end of the gear is arranged outside the installation groove for being installed with the fixed surface. When installing, the gear is pressed into the installation groove through the sliding bearing on the inner side, the sliding bearing on the outer side is first pressed into the gear on the outer side, and then the compression ring is mounted. The sliding bearing is arranged at both ends of the inner diameter of the gear, and further, the built-in sealing ring is used to increase the sealing effect. The sliding bearing is arranged between the inner wall of the gear and the outer wall of the inner wheel, and the outer wall of the gear is provided with a tooth portion for cooperating with the transmission rod.
[0028] In the embodiment, as shown in the figure, the outer wall of the inner wheel is further provided with compression ring 104, the inner wall of the gear is provided with flange 431, and the compression ring is arranged outside the flange to prevent the gear from falling out.
[0029] In the embodiment, as shown in the figure, the gear is circumferentially provided with two blocking walls 21, the housing is provided with a limiting protrusion 13, and a space for the movement of the limiting protrusion is formed between the two blocking walls. When the motor fails, the limiting function is played, preventing excessive rotation under the action of gravity and damaging the equipment.
[0030] In the embodiment, as shown in the figure, a speed reduction mechanism comprises a passive speed reducer 4 and a horizontal rotary speed reducer, and the horizontal rotary speed reducer is connected with the passive speed reducer through a linkage rod 45.
[0031] In the embodiment, as shown in the figure, the horizontal rotary speed reducer is provided with the passive speed reducer on both sides, the motor comprises a driving shaft, the driving shaft drives the worm to rotate through a gear transmission mechanism 44, and the worm is connected with the linkage rod. The horizontal rotary speed reducer can be arranged at the middle end or both ends, and in this embodiment, the horizontal rotary speed reducer is arranged at the middle end, the driving shaft drives the worm to rotate after being output through the gear transmission mechanism, and the worm is connected with the linkage rod to drive the passive speed reducer.
[0032] In the embodiment, as shown in the figure, the horizontal rotary speed reducer is provided with the passive speed reducer on both sides, the motor comprises a driving shaft, the driving shaft drives the worm to rotate through a gear transmission mechanism 44, and the worm is connected with the linkage rod. The horizontal rotary speed reducer can be arranged at the middle end or both ends, and in this embodiment, the horizontal rotary speed reducer is arranged at the middle end, the driving shaft drives the worm to rotate after being output through the gear transmission mechanism, and the worm is connected with the linkage rod to drive the passive speed reducer. Figure 9 Only the worm connected with the motor is changed to be connected with the linkage rod at both ends.
[0033] In the description of the utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.
[0034] In addition, the terms "first", "second" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.
[0035] The embodiments described with reference to the drawings are exemplary and are intended to serve for the explanation of the present application and cannot be understood as a limitation of the present application. The embodiments should not be regarded as a limitation of the present application, but any improvement made on the basis of the spirit of the present application should be within the scope of protection of the present application.
Claims
1. A horizontal rotary speed reducer, comprising a housing (1) and a gear (2) mounted with a fixed surface, a motor (3) being arranged on the housing, an output surface (11) being arranged axially on the housing, characterized in that: The motor is connected with the gear through a worm gear mechanism (4), and a sliding bearing (5) is arranged between the gear and the shell.
2. The horizontal rotary speed reducer according to claim 1, characterized by: The worm gear mechanism comprises a transmission rod (41), a worm (42) driven by the motor, a worm wheel (43) in synchronous rotation and engaged with the worm arranged on the transmission rod, and the transmission rod is engaged with the gear.
3. A horizontal rotary speed reducer according to claim 2, characterized in that: The shell comprises an inner wheel (101) and an outer ring (102), an installation groove (103) is formed between the inner wheel and the outer ring, one end of the gear extends into the installation groove and the sliding bearing is arranged between the outer wall of the inner wheel and the gear, and the other end of the gear is arranged outside the installation groove for installation with a fixed surface.
4. The horizontal rotary speed reducer according to claim 3, characterized in that: The outer wall of the inner wheel is further provided with a press ring (104), and the inner wall of the gear is provided with a flange (431), and the press ring is arranged outside the flange to prevent the gear from falling out.
5. A horizontal rotary speed reducer according to claim 4, characterized in that: The gear is circumferentially provided with two blocking walls (21), and the shell is provided with a limiting block (13), and a space for the movement of the limiting block is formed between the two blocking walls.
6. A reduction gear mechanism characterized by: The horizontal rotary speed reducer comprises a passive speed reducer (40) and a horizontal rotary speed reducer according to any one of claims 2, and the horizontal rotary speed reducer is connected with the passive speed reducer through a linkage rod (45).
7. A reduction gear mechanism according to claim 6, characterised in that: The horizontal rotary speed reducer is provided with the passive speed reducer on both sides, the motor comprises a driving shaft, the driving shaft drives the worm to rotate through a gear transmission mechanism (44), and the worm is connected with the linkage rod.
8. A reduction gear mechanism according to claim 7, characterised in that: The horizontal rotary speed reducer is provided with the passive speed reducer on one side, the motor comprises a driving shaft, the driving shaft is connected with the worm, and the worm is connected with the linkage rod. The horizontal rotary speed reducer is provided with the passive speed reducer on one side, the motor comprises a driving shaft, the driving shaft is connected with the worm, and the worm is connected with the linkage rod.