Sector gear type hoist
By adopting sector-shaped gear transmission in the starter and close machine, combining motor drive and gear transmission, the existing starter and close machine have large wear and low service life, achieving higher wear resistance and service life, and simplifying structure and maintenance.
Patent Information
- Application Number
- CN202421325213.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The existing starter and shutter machine has high wear, low service life, complex structure, and difficult maintenance.
It adopts a sector-shaped gear-type start-and-close machine, which drives the valve lifting, lowering, opening and closing through two sets of fan gears, and combines motor drive and gear drive to ensure accurate and wear-resistant transmission.
It improves the service life of the starter and close machine, reduces wear, is simple and compact, and is easy to operate and maintain. It also prevents reversal and out of control through the coordination of the limit block and slider, ensuring safety and stability.
Smart Images
Figure CN222575419U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of hoists, and in particular relates to a sector gear type hoist. Background Art
[0002] Gate hoists are used in all kinds of large-scale water supply and drainage, water conservancy and hydropower projects. They are used to control the lifting and lowering of various large and medium-sized cast iron gates and steel gates to achieve the purpose of opening and closing. Nowadays, the gate hoists that are widely used are screw hoists and hydraulic hoists.
[0003] Among them, the hydraulic gate hoist has higher requirements on the working environment. The gate hoist room must be kept clean and dry to prevent oil contamination. The hydraulic cylinder and piston rod must be matched with high precision and the processing cost is high. When the sealing quality is poor, the hydraulic oil is prone to leakage. The screw-type gate hoist has large wear and tear, and the accuracy is insufficient after long-term use. The valve is prone to problems with not being able to be completely sealed. Utility Model Content
[0004] The utility model provides a sector gear type gate hoist, aiming to solve the problems of large wear and short service life of the current gate hoist.
[0005] The utility model is implemented as follows: a fan-shaped gear type gate opening and closing machine comprises a fixed frame; a positioning column is slidably installed on the inner side of the fixed frame, and a toothed plate is connected to the bottom of the positioning column, and two groups of first gears are installed on the inner rear side of the fixed frame through bearings, and the toothed plate is located between the two groups of first gears, and fan gears are fixed on the front sides of the two groups of first gears, and the fan gears are meshed with the toothed plate, and a second gear is installed on the rear side of the fixed frame through bearings, and the second gear is located between the two groups of first gears and meshes with the two groups of first gears, and a motor is installed on the inner rear side of the fixed frame, and the output shaft of the motor is concentrically connected with the second gear, and a valve is connected to the bottom of the toothed plate, and the valve is slidably inserted in the base, and a bracket is fixed on the rear side of the base, and the fixed frame is installed on the top of the bracket.
[0006] Preferably, a protective sleeve is installed on the inner top of the fixing frame, and the protective sleeve is sleeved on the outer side of the output shaft of the motor.
[0007] Preferably, a sliding groove is provided at the bottom end of the inner wall of the fixed frame, and a sliding block is slidably embedded in the sliding groove, a limiting block is fixed on the top of the sliding block, a spring is installed on the side wall of the sliding groove of the fixed frame, the movable end of the spring is connected to the sliding block, and the limiting block is located in the tooth gap of the second gear.
[0008] Preferably, a slide groove is installed on the top of the fixing frame, and an oil filling port is provided on the top of the slide groove.
[0009] Preferably, a double-opening door is provided on the front side of the fixing frame.
[0010] Preferably, a scraper ring is installed at the bottom center of the fixed frame, and the scraper ring is sleeved on the outer side of the tooth plate.
[0011] Compared with the prior art, the embodiments of the present application have the following beneficial effects:
[0012] The device drives the valve to rise and fall and open and close through two sets of fan gears. Compared with screw drive, it has the advantages of less wear and longer service life. At the same time, the device has a simple, compact structure and is easy to operate. By providing a slider and a limit block, the slider and the limit block can cooperate to limit the reversal of the second gear without affecting its clockwise rotation. This setting can act as a safety device to prevent the device from getting out of control and causing the valve to fall rapidly. By providing an oil filling port, the oil filling port is convenient for adding lubricating oil to ensure the long-term use of the transmission parts. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0014] Figure 2 It is a side cross-sectional structural schematic diagram of the utility model;
[0015] Figure 3 It is a partial side view structural diagram of the fixing frame of the utility model;
[0016] Figure 4 It is a schematic diagram of the external structure of the fixed frame of the utility model;
[0017] In the figure: 1. fixed frame; 2. positioning column; 3. tooth plate; 4. first gear; 5. fan gear; 6. second gear; 7. motor; 8. valve; 9. base; 10. bracket; 11. protective cover; 12. slide block; 13. limit block; 14. spring; 15. oil filling port; 16. box door; 17. scraper ring. DETAILED DESCRIPTION
[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.
[0019] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0020] The utility model embodiment provides a fan-shaped gear type hoist, such as Figure 1-4 As shown, it includes a fixed frame 1, a positioning column 2 is slidably installed on the inner side of the fixed frame 1, a tooth plate 3 is connected to the bottom of the positioning column 2, two groups of first gears 4 are installed on the inner rear side of the fixed frame 1 through bearings, the tooth plate 3 is located between the two groups of first gears 4, fan gears 5 are fixed on the front sides of the two groups of first gears 4, and the fan gears 5 are meshed with the tooth plate 3, a second gear 6 is installed on the rear side of the fixed frame 1 through a bearing, the second gear 6 is located between the two groups of first gears 4 and meshed with the two groups of first gears 4, and a motor 7 is installed on the inner rear side of the fixed frame 1. The output shaft of 7 is concentrically connected with the second gear 6, the bottom of the toothed plate 3 is connected with a valve 8, the valve 8 is slidably inserted in the base 9, the rear side of the base 9 is fixed with a bracket 10, and the fixed frame 1 is installed on the top of the bracket 10. The device drives the second gear 6 to rotate through the motor 7, and the second gear 6 drives the two groups of first gears 4 to rotate, and the two groups of first gears 4 respectively drive the two groups of fan gears 5 to rotate. During the rotation of the two groups of fan gears 5, the toothed plate 3 can be reciprocated and lifted, so as to realize the lifting and opening and closing of the valve 8. The device has the advantages of simple and compact structure and easy operation.
[0021] A protective sleeve 11 is installed on the inner top of the fixed frame 1, and the protective sleeve 11 is sleeved on the outer side of the output shaft of the motor 7. By providing the protective sleeve 11, the protective sleeve 11 can prevent the output shaft of the motor 7 from being deformed due to excessive torque, thereby protecting the output shaft of the motor 7.
[0022] A slide groove is provided at the bottom end of the inner wall of the fixed frame 1, and a slider 12 is slidably embedded in the slide groove, a limit block 13 is fixed on the top of the slider 12, a spring 14 is installed on the side wall of the slide groove of the fixed frame 1, the movable end of the spring 14 is connected to the slider 12, and the limit block 13 is located in the tooth gap of the second gear 6. By providing the slider 12 and the limit block 13, the slider 12 and the limit block 13 can cooperate to limit the reversal of the second gear 6 without affecting its clockwise rotation. This setting can play a role of insurance and prevent the device from getting out of control and causing the valve 8 to fall rapidly.
[0023] A slide groove is installed on the top of the fixed frame 1, and an oil filling port 15 is provided on the top of the slide groove. By providing the oil filling port 15, lubricating oil can be injected into the oil filling port 15 to ensure the normal transmission of each part and improve the service life of the transmission parts.
[0024] A double-opening door 16 is provided on the front side of the fixed frame 1 . The door 16 is installed on the front side of the fixed frame 1 to facilitate regular inspection and maintenance of the internal parts of the fixed frame 1 .
[0025] A scraper ring 17 is installed at the bottom center of the fixed frame 1, and the scraper ring 17 is sleeved on the outer side of the tooth plate 3. By providing the scraper ring 17, when the valve 8 is opened and closed, water stains or debris will inevitably adhere to the surface of the tooth plate 3. When the tooth plate 3 rises, the scraper ring 17 can scrape off the dirt on its surface, thereby ensuring the normal use of the tooth plate 3.
[0026] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.
[0027] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.
[0028] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0029] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.
Claims
1. A sector gear type hoist, characterized in that: The invention comprises a fixed frame (1): a positioning column (2) is slidably mounted on the inner side of the fixed frame (1); a tooth plate (3) is connected to the bottom of the positioning column (2); two groups of first gears (4) are mounted on the inner rear side of the fixed frame (1) via bearings; the tooth plate (3) is located between the two groups of first gears (4); fan gears (5) are fixed on the front sides of the two groups of first gears (4); the fan gears (5) are meshed with the tooth plate (3); a second gear is mounted on the rear side of the fixed frame (1) via bearings. The second gear (6) is located between the two groups of first gears (4) and meshes with the two groups of first gears (4); a motor (7) is installed on the inner rear side of the fixed frame (1); the output shaft of the motor (7) is concentrically connected to the second gear (6); the bottom of the toothed plate (3) is connected to a valve (8); the valve (8) is slidably inserted in a base (9); a bracket (10) is fixed on the rear side of the base (9); and the fixed frame (1) is installed on the top of the bracket (10).
2. A sector gear type gate hoist as claimed in claim 1, characterized in that: A protective sleeve (11) is installed on the inner top of the fixed frame (1), and the protective sleeve (11) is sleeved on the outer side of the output shaft of the motor (7).
3. A sector gear type gate hoist as claimed in claim 1, characterized in that: A sliding groove is provided at the bottom end of the inner wall of the fixed frame (1), and a slider (12) is slidably embedded in the sliding groove. A limiting block (13) is fixed on the top of the slider (12). A spring (14) is installed on the side wall of the sliding groove of the fixed frame (1), and the movable end of the spring (14) is connected to the slider (12). The limiting block (13) is located in the tooth gap of the second gear (6).
4. A sector gear type gate hoist as claimed in claim 1, characterized in that: A slide groove is installed on the top of the fixed frame (1), and an oil filling port (15) is provided on the top of the slide groove.
5. A sector gear type hoist as claimed in claim 1, characterized in that: A double-opening door (16) is provided on the front side of the fixed frame (1).
6. A sector gear type gate hoist as claimed in claim 1, characterized in that: A scraper ring (17) is installed at the bottom center of the fixed frame (1), and the scraper ring (17) is sleeved on the outer side of the tooth plate (3).