Stable helical gear speed reducer

By combining the electromagnetic suction plate and the air bladder tube, the problem of incomplete debris removal in traditional reducers is solved, achieving effective debris collection and normal equipment operation, thus improving cleaning efficiency and equipment reliability.

CN223725349UActive Publication Date: 2025-12-26CHANGZHOU DAILANG MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202520663060.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2025-12-26
Estimated Expiration
2035-04-09

AI Technical Summary

Technical Problem

During the cleaning process of traditional speed reducers, large-diameter debris and irregularly shaped waste are difficult to be carried out of the gearbox by the lubricating oil, which affects the use of the equipment.

Method used

The system uses an electromagnetic suction plate in conjunction with an airbag tube and a drive assembly. Through electromagnetic adsorption and the movement of the airbag tube, it achieves effective collection and cleaning of debris. The magnetic adsorption of the electromagnetic suction plate and the pushing of the airbag tube work together with the collection bag to collect debris.

Benefits of technology

It effectively prevents debris from getting stuck in the gears, ensuring normal operation of the equipment, improving cleaning efficiency, reducing the equipment's footprint, and making cleaning more convenient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stable helical gear speed reducer, which belongs to the technical field of speed reducers, and comprises a shell used for mounting a speed reducer body, and two electromagnetic suction plates symmetrically arranged in the speed reducer body in a sliding manner and used for adsorbing scraps, the moving unit is arranged in the shell and used for pushing the two electromagnetic suction plates to move and comprises air bag pipes symmetrically and fixedly arranged in the shell, the electromagnetic suction plates are fixedly arranged on the air bag pipes, and the moving unit further comprises a driving assembly arranged on the shell and used for driving the air bag pipes; and the collecting assembly is arranged in the shell and used for collecting the chippings on the electromagnetic suction plate, and comprises two collecting bags movably arranged in the shell, so that the equipment is more convenient and clean during cleaning, and the situation that the chippings are clamped in the gear and cannot be cleaned is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of speed reducer especially relates to a stable helical gear speed reducer. BACKGROUND

[0002] Speed reducer is the mechanical transmission device of many fields of national economy, the product category of industry involves includes all kinds of gear speed reducer, planetary gear speed reducer and worm speed reducer, also includes various special transmission devices, such as speed increasing device, speed regulating device and various composite transmission devices including flexible transmission device etc.

[0003] The traditional speed reducer is driven by multiple gears inside, and the output torque is adjusted by different gear ratios. Because there are many internal gears, internal parts will wear out over time, resulting in a large amount of debris. To ensure normal operation, people will set up a cleaning component in the gear box to ensure normal operation. For example, patent No. CN202320278381.4 discloses a technical solution for internal cleaning. However, this technical solution still has some problems when used. The technical solution cleans the internal impurities by extracting internal lubricating oil and circulating it. However, in actual use, larger waste particles will quickly settle in the lubricating oil and deposit at the bottom of the gear box or adhere to the gears, shafts and other components. During oil extraction, these waste particles are difficult to be carried by the lubricating oil to the oil extraction port, so they cannot be extracted. Some irregularly shaped waste particles may be stuck in the gaps, corners or filters of the gear box, and the oil extraction process cannot effectively remove these waste particles, which affects the use of the equipment. UTILITY MODEL CONTENTS

[0004] To solve the problem that existing equipment cannot fully clean the debris, causing it to be stuck in the gears and affecting its use, the utility model provides a stable helical gear speed reducer.

[0005] The utility model is implemented as follows: a stable helical gear speed reducer includes a housing for mounting the speed reducer body, and further includes:

[0006] Two electromagnetic suction plates for debris adsorption are symmetrically arranged in the speed reducer body.

[0007] A moving unit is arranged in the housing to move the two electromagnetic suction plates, including a gas bag tube symmetrically fixed in the housing, and the electromagnetic suction plates are fixed on the gas bag tube. A driving assembly is arranged on the housing to drive the gas bag tube.

[0008] The collecting assembly is arranged in the shell and is used for collecting the debris on the electromagnetic suction plate, and comprises two collecting bags movably arranged in the shell.

[0009] As preferred in the utility model, the moving unit further comprises two first springs symmetrically and fixedly arranged in the shell, and the air bag pipe is sleeved on the inner side of the first spring, and the rear side of the air bag pipe is provided with a base penetrating through, and the two bases penetrate through each other, and the electromagnetic suction plate is fixedly provided with a first spring on one side of the inner wall of the shell, and the air bag pipe is located in the first spring.

[0010] As preferred in the utility model, two telescopic rods are further fixedly arranged between the electromagnetic suction plate and the side wall of the shell, and the two telescopic rods are arranged on the upper and lower sides of the air bag pipe.

[0011] As preferred in the utility model, the driving assembly comprises a piston cylinder mounted on the shell, a piston rod is slidably arranged in the piston cylinder, the piston cylinder and one of the bases penetrate through each other, a rack is fixedly arranged on the piston rod, a second spring for resetting the piston rod is sleeved on the piston rod, a driving motor is mounted on the shell, and a half gear wheel meshing with the rack is mounted on the output end of the driving motor.

[0012] As preferred in the utility model, the collecting assembly further comprises two cleaning cavities opened on the shell, and the cleaning cavities are arranged in correspondence with the electromagnetic suction plate, the collecting bags are movably arranged in the cleaning cavities, a sealing plate for sealing the cleaning cavities is mounted on one side of the electromagnetic suction plate, and an electromagnetic valve penetrating through the inner side of the reducer body is arranged on the cleaning cavity.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The electromagnetic suction plate in the equipment cooperates with the back-and-forth movement of the air bag pipe, so that the debris in the reducer body can be effectively collected and adsorbed, the debris is prevented from being stuck in the gear in the reducer body, the normal work of the reducer body is ensured, the cleaning effect is further ensured, the collecting bags in the equipment can effectively collect the debris, and the equipment occupies a smaller volume when working and is more convenient to clean. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the front side view structural schematic diagram of the utility model;

[0016] Figure 2 is the lower side view structural schematic diagram of the utility model;

[0017] Figure 3 is the front side view sectional structural schematic diagram of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure from the right side view of this utility model.

[0019] In the picture:

[0020] 1. Outer shell; 2. Reducer body; 3. Electromagnetic suction plate; 4. Airbag tube; 5. First spring; 6. Base; 7. Piston cylinder; 8. Piston rod; 9. Second spring; 10. Rack; 11. Drive motor; 12. Half gear; 13. Telescopic rod; 14. Cleaning chamber; 15. Collection bag; 16. Solenoid valve; 17. Sealing plate. Detailed Implementation

[0021] To further understand the utility model content, features and effects of this utility model, the following embodiments are provided, and detailed descriptions are given in conjunction with the accompanying drawings.

[0022] The structure of this utility model will now be described in detail with reference to the accompanying drawings.

[0023] like Figures 1 to 4 As shown, the present invention provides a smooth helical gear reducer, including a housing 1 for mounting the reducer body 2, and further including:

[0024] Two electromagnetic suction plates 3 are symmetrically slidably arranged inside the reducer body 2 for adsorbing debris.

[0025] The moving unit, disposed inside the housing 1, is used to push the two electromagnetic suction plates 3 to move. It includes an airbag tube 4 symmetrically fixed inside the housing 1, and the electromagnetic suction plates 3 are fixedly disposed on the airbag tube 4. It also includes a drive assembly disposed on the housing 1 for driving the airbag tube 4.

[0026] A collection component, disposed within the housing 1, is used for collecting debris from the electromagnetic suction plate 3, and includes two collection bags 15 movably disposed within the housing 1.

[0027] As a preferred embodiment of this utility model, the moving unit further includes two first springs 5 ​​symmetrically fixedly disposed inside the outer casing 1, and the airbag tube 4 is sleeved inside the first springs 5. A base 6 is provided through the rear side of the airbag tube 4, and the two bases 6 are interconnected. The electromagnetic suction plate 3 is fixedly disposed on one side of the inner wall of the outer casing 1 with a first spring 5, and the airbag tube 4 is located inside the first spring 5, which is used to push the electromagnetic suction plate 3 to move, so that it can fully adsorb impurities in the reducer body 2 and ensure the normal use of the reducer body 2.

[0028] As a preferred embodiment of this utility model, two telescopic rods 13 are also fixedly provided between the electromagnetic suction plate 3 and the side wall of the outer shell 1, and the two telescopic rods 13 are respectively provided on the upper and lower sides of the airbag tube 4, so as to ensure the stability of the electromagnetic suction plate 3 when it moves and prevent it from deviating when it moves.

[0029] As the utility model discloses preferably, the driving assembly includes the piston cylinder 7 installed on the shell 1, a piston rod 8 is slidably arranged in the piston cylinder 7, and the piston cylinder 7 is mutually penetrated with one of the bases 6, a rack 10 is fixedly arranged on the piston rod 8, and a second spring 9 for resetting the piston rod 8 is sleeved on the piston rod 8, a driving motor 11 is installed on the shell 1, a half gear 12 meshing with the rack 10 is installed on the output end of the driving motor 11, air supply to the air bag pipe 4 is facilitated, the air bag pipe 4 can push the electromagnetic suction plate 3 to move, and the effect that the electromagnetic suction plate 3 moves and is adsorbed is realized.

[0030] As the utility model discloses preferably, the collecting assembly further includes two cleaning cavities 14 formed in the shell 1, the cleaning cavities 14 are correspondingly arranged with the electromagnetic suction plate 3, a collecting bag 15 is movably arranged in the cleaning cavity 14, a sealing plate 17 for sealing the cleaning cavity 14 is installed on one side of the electromagnetic suction plate 3, and an electromagnetic valve 16 penetrating the inside of the speed reducer body 2 is arranged on the cleaning cavity 14, so that the impurities adsorbed on the electromagnetic suction plate 3 can be collected, and the cleanliness in the speed reducer body 2 is ensured.

[0031] The working principle of the utility model is as follows:

[0032] Reference Figure 3 and Figure 4 When the speed reducer body 2 works, the electromagnetic suction plate 3 can be stored in the cleaning cavity 14, and the sealing plate 17 seals the cleaning cavity 14, so that the electromagnetic suction plate 3 is located in the cleaning cavity 14, the air bag pipe 4 is in a deflated state, and the first spring 5 is in a storage state;

[0033] When the equipment needs to be cleaned, the driving motor 11 in the opening Figure 2 is turned on, the driving motor 11 drives the half gear 12 to rotate forward, the half gear 12 drives the meshing rack 10 to move at this time, the rack 10 pushes the piston rod 8 in the opening Figure 1 to move, the piston rod 8 gradually moves to the inside of the piston cylinder 7, and the second spring 9 is compressed at this time, along with the gradual movement of the piston rod 8, the piston rod 8 can generate a pushing pressure in the piston cylinder 7, the pressure enters the air bag pipe 4 in the opening Figure 3 through the base 6, when the airflow enters the air bag pipe 4, the air bag pipe 4 gradually expands, thereby pushing the electromagnetic suction plate 3 to gradually move away from the cleaning cavity 14, and the electromagnetic suction plate 3 can be kept powered on in the process of moving away from the cleaning cavity 14, so that the electromagnetic suction plate 3 forms magnetism, thereby realizing that the electromagnetic suction plate 3 adsorbs the debris in the speed reducer body 2 when moving, Figure 2When the half gear 12 in the device is disengaged from the gear rack 10, the elongated air bag tube 4 and the compressed second spring 9 are reset at the same time, the gas in the air bag tube 4 is quickly discharged, so that the electromagnetic suction plate 3 enters the cleaning cavity 14 again, then the sealing plate 17 seals the cleaning cavity 14, and the electromagnetic valve 16 discharges the liquid in the cleaning cavity 14, then the electromagnetic suction plate 3 is powered off, so that it loses magnetism, when the electromagnetic suction plate 3 loses magnetism, the material adsorbed on the electromagnetic suction plate 3 falls into the collection bag 15, and the collection bag 15 collects the debris, at this time, the collection of debris can be completed, and the repeated work can be carried out, so that the parts in the reducer body 2 can work continuously, and the debris is prevented from being stuck in the gear in the reducer body 2, so that the gear cannot be discharged.

[0034] The electromagnetic suction plate 3 in the device cooperates with the back-and-forth movement of the air bag tube 4, so that the debris in the reducer body 2 can be effectively collected and adsorbed, the debris is prevented from being stuck in the gear in the reducer body 2, so that the gear cannot work normally, and the cleaning effect is further ensured, and the collection bag 15 in the device can effectively collect the debris, and cooperates with the moving unit, so that the device occupies a smaller volume when working, and the cleaning is more convenient.

[0035] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A smooth helical gear reduction unit comprising a housing (1) for mounting of a reduction unit body (2) characterised in that: Also include: Two electromagnetic suction plates (3) for debris adsorption are symmetrically arranged in the reducer body (2) for sliding; A moving unit is arranged in the shell (1) for moving the two electromagnetic suction plates (3), which includes an air bag pipe (4) symmetrically fixed in the shell (1), the electromagnetic suction plates (3) are fixed on the air bag pipe (4), and a driving assembly is arranged on the shell (1) for driving the air bag pipe (4); A collecting assembly is arranged in the shell (1) for collecting debris on the electromagnetic suction plate (3), which includes two collecting bags (15) movably arranged in the shell (1).

2. A smooth helical gear reducer as in claim 1, wherein: The moving unit further includes two first springs (5) symmetrically fixed in the shell (1), and the air bag pipe (4) is sleeved on the inner side of the first spring (5), the rear side of the air bag pipe (4) is provided with a base (6), and the two bases (6) are penetrated with each other, and the electromagnetic suction plate (3) is fixed with a first spring (5) on one side of the inner wall of the shell (1), and the air bag pipe (4) is located in the first spring (5).

3. A smooth helical gear reducer as in claim 2 wherein: Two telescopic rods (13) are further fixed between the electromagnetic suction plate (3) and the side wall of the shell (1), and the two telescopic rods (13) are arranged on the upper and lower sides of the air bag pipe (4) respectively.

4. A smooth helical gear reducer as in claim 3 wherein: The driving assembly includes a piston cylinder (7) mounted on the shell (1), a piston rod (8) is slidably arranged in the piston cylinder (7), and the piston cylinder (7) is penetrated with one of the bases (6), a rack (10) is fixed on the piston rod (8), a second spring (9) is sleeved on the piston rod (8) for resetting, a driving motor (11) is mounted on the shell (1), and a half gear (12) is mounted on the output end of the driving motor (11) and is meshed with the rack (10).

5. A smooth helical gear reducer as in claim 4 wherein: The collecting assembly further includes two cleaning cavities (14) opened on the shell (1), and the cleaning cavities (14) are arranged corresponding to the electromagnetic suction plates (3), the collecting bags (15) are movably arranged in the cleaning cavities (14), one side of the electromagnetic suction plate (3) is provided with a sealing plate (17) for sealing the cleaning cavity (14), and the cleaning cavity (14) is provided with an electromagnetic valve (16) penetrating the inner side of the reducer body (2).

Citation Information

Patent Citations

  • Gear reducer

    CN219605986U