Hydraulic gear pump vane surface particle treatment device and its usage method
By designing a particle treatment device for the surface of the hydraulic gear pump blade, the combination of the rotating rod and the removal frame is used to clean the abrasive particles on the outside of the gear, the problems of stuck and wear caused by contaminants by the hydraulic gear pump are solved, and the maintenance efficiency and reliability of the equipment are improved.
Patent Information
- Application Number
- CN202211627875.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-12-17
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2042-12-17
AI Technical Summary
During the service of hydraulic gear pumps, due to the invasion of foreign pollutants and internal pollutants, the gear pumps are stuck and worn. The existing technology requires frequent replacement of parts, increasing maintenance costs and causing system paralysis.
A hydraulic gear pump blade surface particle treatment device is designed. Through the cooperation of rotating rods, clamping plates, transmission rods, springs, movable blocks and other components, the removal frame is realized back and forth and backward movement, cleaning the abrasive particles on the outside of the gear, and preventing wear.
It effectively prevents gear wear, reduces maintenance frequency and cost, and improves the reliability and service life of the equipment.
Smart Images

Figure CN116221106B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of hydraulic gear pumps, and particularly to a device for treating particles on the surface of blades of a hydraulic gear pump and a method for using the same. Background Art
[0002] During the service of a hydraulic gear pump, due to the continuous invasion of external contaminants and the continuous generation of internal contaminants, the phenomena of gear pump jamming and wear occur continuously. After each failure, it is necessary to change the oil and clean it or even replace parts, which not only increases the equipment investment and maintenance operation costs, but also causes the paralysis of the entire hydraulic system, bringing great hidden dangers to the use of the equipment.
[0003] The interaction between the contaminated particles in the oil and the surface of the moving pairs of the hydraulic gear pump causes plastic deformation on the surface of the moving pairs, resulting in unevenness; under the action of load, the raised parts on the surface of the moving pairs come into contact and friction to generate high temperature, causing fusion adhesion between materials, and finally leading to the phenomenon of adhesive wear. Summary of the Invention
[0004] To achieve the above object, the present invention provides the following technical solution: A device for treating particles on the surface of blades of a hydraulic gear pump, including a housing. There is a side plate at the rear of the housing. Bolts are installed at the four corners near the rear side of the side plate. The side plate is movably connected to the housing through a plurality of bolts. A sealing ring is sleeved on the outer side of the housing near the rear side. There are two gears in the inner cavity of the housing, and the two gears are meshed with each other. Transmission rods penetrate through the inner cavities of the two gears and are fixedly connected thereto. The rear ends of the two transmission rods are inserted into the side plate, and the front ends of the two transmission rods penetrate through the housing. A circular groove is provided at the front end of the transmission rod on the left side. A plurality of grooves are provided at the front end of the transmission rod on the left side, and the plurality of grooves are arranged in a circular array centered on the center of the transmission rod. The plurality of grooves are all communicated with the circular groove. Blind grooves are provided on both the left and right sides of the groove. Springs are installed in the inner cavities of the blind grooves. One end of each of the plurality of springs is fixedly connected to a movable block. There is a motor at the front side of the housing. The power output shaft of the motor is fixedly connected to a rotating rod. A plurality of clamping plates are fixedly connected to the outer side of the rotating rod near the rear end, and the plurality of clamping plates are arranged in a circular array centered on the center of the rotating rod. Each of the plurality of clamping plates is in contact with the adjacent movable block. The bottom of the motor is fixedly connected to a slider. There is a limiting plate at the bottom of the motor. The slider is movably connected to the inner cavity of the limiting plate. The rear side of the limiting plate is fixedly connected to the housing. A discharge pipe is inserted into the top of the housing, and a feed pipe is inserted into the bottom of the housing.
[0005] Preferably, a second groove wheel is fixedly sleeved on the outer side of the rotating rod, and a first groove wheel is fixedly sleeved on the outer side of the transmission rod located on the right side near the front end, a second belt is commonly sleeved between the first groove wheel and the second groove wheel, and the first groove wheel and the second groove wheel are connected through a second belt transmission.
[0006] Preferably, the rotating rod and the transmission rod located on the right side are fixedly sleeved with lower groove wheels on their outer sides, and there are upper groove wheels on the tops of the two lower groove wheels, a first belt is arranged between the lower groove wheels and the upper groove wheels, and the lower groove wheels and the upper groove wheels are connected through the first belt transmission.
[0007] Preferably, a first rotating shaft is passed through the inner cavity of the upper groove wheel, and L-shaped mounting plates are sleeved on the rear ends of the two first rotating shafts, and the two L-shaped mounting plates are fixedly connected to the outer shell at one side away from the upper groove wheel.
[0008] Preferably, the rear ends of the two first rotating shafts are fixedly connected with active bevel gears, and the rear sides of the active bevel gears are meshed with driven bevel gears near the bottom, and a second rotating shaft passes through the center of the driven bevel gears and is fixedly connected thereto, and the bottom end of the second rotating shaft is plugged into the L-shaped mounting plate.
[0009] Preferably, a linkage wheel is fixedly connected to the top of the second rotating shaft, an eccentric wheel is hinged to the top of the linkage wheel, an annular groove is provided at the bottom of the eccentric wheel, a movable rod is movably connected to the inner cavity of the annular groove, a translation plate is fixedly connected to the bottom of the movable rod, and the rear side of the translation plate passes through the outer shell and extends to the inner cavity.
[0010] Preferably, a material removal frame is sleeved on the outer sides of the two gears, and the gears are fitted with the inner side walls of the material removal frame.
[0011] The method for using the particle treatment device on the surface of a hydraulic gear pump blade comprises the following steps:
[0012] S1: When the motor is started, the power output shaft can drive the rotating rod to rotate. When the rotating rod rotates, it can drive the transmission rod on the left to rotate. The transmission rod on the left can drive the gear on the left to rotate. The gear on the left can drive the gear on the right to rotate.
[0013] S2: When the blades on the gear need to be cleaned, the motor can be manually driven to move forward. When the motor moves forward, the rotating rod can be driven to move forward. The rotating rod can drive several clamping plates to be separated from the inner cavity of the groove, so that the motor can be separated from the transmission rod on the left side.
[0014] S3: When the motor is disengaged from the drive rod on the left side, the motor can be restarted. When the power output shaft of the motor rotates, it can drive the second sheave to rotate. The second sheave can drive the first sheave to rotate through the second belt. The first sheave can drive the drive rod on the right side to rotate. When the power output shaft and the drive rod on the right side rotate, they can drive the adjacent lower sheave to rotate. The lower sheave can drive the upper sheave to rotate through the first belt. The upper sheave can drive the active bevel gear to rotate. The active bevel gear can drive the driven bevel gear to rotate. The driven bevel gear can drive the linkage wheel to rotate. The linkage wheel can drive the eccentric wheel to rotate eccentrically. The eccentric wheel can drive the translation plate to move back and forth through the movable rod, so as to drive the material removal frame to clean the outside of the gear.
[0015] Through the mutual cooperation among components such as the rotating rod, the clamping plate, the drive rod, the spring, and the movable block, the present invention can achieve that the connection relationship between the motor and the drive rod on the left side is a detachable connection relationship, which is convenient for subsequent cleaning and maintenance of the outside of the gear.
[0016] Through the mutual cooperation among components such as the first sheave, the second sheave, the upper sheave, the lower sheave, the first belt, the second belt, the motor, the active bevel gear, the driven bevel gear, the linkage wheel, the eccentric wheel, and the translation plate, the present invention can achieve the purpose of driving the material removal frame to move back and forth, realizing the cleaning of the abrasive particles on the outside of the gear and preventing the gear from wearing. Description of the Drawings
[0017] Figure 1 is a schematic structural view of the present invention;
[0018] Figure 2 is a schematic rear view of the structure of the present invention;
[0019] Figure 3 is a front view of the structure of the present invention;
[0020] Figure 4 is a schematic view of the inner cavity structure of the housing of the components of the present invention;
[0021] Figure 5 is a schematic view of the gear structure of the components of the present invention;
[0022] Figure 6 is a partial structural split view of the drive rod of the components of the present invention;
[0023] Figure 7 is a schematic view of the drive rod structure of the components of the present invention;
[0024] Figure 8 is Figure 7 the enlarged view at A in
[0025] Figure 9 is a schematic view of the second belt structure of the components of the present invention;
[0026] Figure 10 This is a schematic rear view structure diagram of the second belt of the component of the present invention.
[0027] Reference numerals in the figure: 1. housing; 2. discharge pipe; 3. linkage wheel; 4. first belt; 5. upper sprocket; 6. driven bevel gear; 7. L-shaped mounting plate; 8. lower sprocket; 9. transmission rod; 10. second belt; 11. motor; 12. limiting plate; 13. eccentric wheel; 14. sealing ring; 15. bolt; 16. side plate; 17. gear; 18. feed pipe; 19. material removal frame; 20. clamping plate; 21. rotating rod; 22. movable block; 23. spring; 24. movable rod; 25. translation plate; 26. first sprocket; 27. second sprocket; 28. driving bevel gear. Specific embodiments
[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0029] Please refer to Figures 1-10, the present invention provides a technical solution: a hydraulic gear pump vane surface particle treatment device, including a housing 1, there is a side plate 16 at the rear of the housing 1, bolts 15 are installed near the four corners at the rear of the side plate 16, and the side plate 16 is movably connected to the housing 1 through a plurality of bolts 15. A sealing ring 14 is sleeved on the outer side of the housing 1 near the rear. There are two gears 17 in the inner cavity of the housing 1, and the two gears 17 are meshed with each other. Transmission rods 9 are respectively arranged through the inner cavities of the two gears 17 and are fixedly connected thereto. The rear ends of the two transmission rods 9 are respectively inserted into the side plate 16, and the front ends of the two transmission rods 9 respectively penetrate the housing 1. A circular groove is provided at the front end of the transmission rod 9 on the left side. A plurality of grooves are provided at the front end of the transmission rod 9 on the left side, and the plurality of grooves are arranged in a circular array centered on the center of the transmission rod 9. The plurality of grooves are all communicated with the circular groove. Blind grooves are respectively provided on the left and right sides of the grooves, springs 23 are installed in the inner cavities of the blind grooves, and one end of each of the plurality of springs 23 is fixedly connected to a movable block 22. There is a motor 11 on the front side of the housing 1. The power output shaft of the motor 11 is fixedly connected to a rotating rod 21, and a plurality of clamping plates 20 are fixedly connected to the outer side of the rotating rod 21 near the rear end. The plurality of clamping plates 20 are arranged in a circular array centered on the center of the rotating rod 21. Each of the plurality of clamping plates 20 is in contact with the adjacent movable block 22. A slider is fixedly connected to the bottom of the motor 11. There is a limiting plate 12 at the bottom of the motor 11. The slider is movably connected to the inner cavity of the limiting plate 12. The rear side of the limiting plate 12 is fixedly connected to the housing 1. A discharge pipe 2 is inserted into the top of the housing 1, and a feed pipe 18 is inserted into the bottom of the housing 1.
[0030] A second groove wheel 27 is fixedly sleeved on the outer side of the rotating rod 21, and a first groove wheel 26 is fixedly sleeved on the outer side of the transmission rod 9 located on the right side near the front end, and a second belt 10 is sleeved between the first groove wheel 26 and the second groove wheel 27, and the first groove wheel 26 and the second groove wheel 27 are connected by the second belt 10. The rotating rod 21 and the transmission rod 9 located on the right side are fixedly sleeved on the outer side with a lower groove wheel 8, and the tops of the two lower groove wheels 8 are provided with an upper groove wheel 5, and a first belt 4 is arranged between the lower groove wheel 8 and the upper groove wheel 5, and the lower groove wheel 8 and the upper groove wheel 5 are connected by the first belt 4. The inner cavity of the upper groove wheel 5 is penetrated by a first rotating shaft, and the rear ends of the two first rotating shafts are sleeved with L-shaped mounting plates 7, and the two L-shaped mounting plates 7 are far away from the upper groove One side of the wheel 5 is fixedly connected to the outer shell 1, and the rear ends of the two first rotating shafts are fixedly connected with the active bevel gear 28, and the driven bevel gear 6 is meshed with the rear side of the active bevel gear 28 near the bottom. The second rotating shaft is penetrated by the center of the driven bevel gear 6 and is fixedly connected with it. The bottom end of the second rotating shaft is inserted into the L-shaped mounting plate 7, and the top of the second rotating shaft is fixedly connected with the linkage wheel 3. The top of the linkage wheel 3 is hinged with an eccentric wheel 13, and the bottom of the eccentric wheel 13 is provided with an annular groove, and the inner cavity of the annular groove is movably connected with a movable rod 24, and the bottom of the movable rod 24 is fixedly connected with a translation plate 25, and the rear side of the translation plate 25 passes through the outer shell 1 and extends to the inner cavity. The outer sides of the two gears 17 are sleeved with a material removal frame 19, and the gears 17 are fitted with the inner wall of the material removal frame 19.
[0031] The method for using the particle treatment device on the surface of a hydraulic gear pump blade comprises the following steps:
[0032] S1: When the motor 11 is started, the power output shaft can drive the rotating rod 21 to rotate. When the rotating rod 21 rotates, it can drive the transmission rod 9 on the left to rotate. The transmission rod 9 on the left can drive the gear 17 on the left to rotate. The gear 17 on the left can drive the gear 17 on the right to rotate.
[0033] S2: When the blades on the gear 17 need to be cleaned, the motor 11 can be manually driven to move forward. When the motor 11 moves forward, the rotating rod 21 can be driven to move forward. The rotating rod 21 can drive the plurality of clamping plates 20 to be separated from the inner cavity of the groove, so that the motor 11 can be separated from the transmission rod 9 on the left side.
[0034] S3: When the motor 11 is disengaged from the drive rod 9 on the left side, the motor 11 can be restarted. When the power output shaft of the motor 11 rotates, it can drive the second sheave 27 to rotate. The second sheave 27 can drive the first sheave 26 to rotate through the second belt 10. The first sheave 26 can drive the drive rod 9 on the right side to rotate. When the power output shaft and the drive rod 9 on the right side rotate, they can drive the adjacent lower sheave 8 to rotate. The lower sheave 8 can drive the upper sheave 5 to rotate through the first belt 4. The upper sheave 5 can drive the driving bevel gear 28 to rotate. The driving bevel gear 28 can drive the driven bevel gear 6 to rotate. The driven bevel gear 6 can drive the linkage wheel 3 to rotate. The linkage wheel 3 can drive the eccentric wheel 13 to rotate eccentrically. The eccentric wheel 13 can drive the translation plate 25 to move back and forth through the movable rod 24, so as to drive the material removal frame 19 to clean the outside of the gear 17.
[0035] Working principle: When the motor 11 is started, the rotating rod 21 can be driven to rotate through the power output shaft. When the rotating rod 21 rotates, it can drive the drive rod 9 on the left side to rotate. The drive rod 9 on the left side can drive the gear 17 on the left side to rotate. The gear 17 on the left side can drive the gear 17 on the right side to rotate. When it is necessary to clean the blades on the gear 17, the motor 11 can be manually driven to move forward. When the motor 11 moves forward, it can drive the rotating rod 21 to move forward. The rotating rod 21 can drive several clamping plates 20 to disengage from the inner cavity of the groove, so that the motor 11 can be disengaged from the drive rod 9 on the left side. When the motor 11 is disengaged from the drive rod 9 on the left side, the motor 11 can be restarted. When the power output shaft of the motor 11 rotates, it can drive the second sheave 27 to rotate. The second sheave 27 can drive the first sheave 26 to rotate through the second belt 10. The first sheave 26 can drive the drive rod 9 on the right side to rotate. When the power output shaft and the drive rod 9 on the right side rotate, they can drive the adjacent lower sheave 8 to rotate. The lower sheave 8 can drive the upper sheave 5 to rotate through the first belt 4. The upper sheave 5 can drive the driving bevel gear 28 to rotate. The driving bevel gear 28 can drive the driven bevel gear 6 to rotate. The driven bevel gear 6 can drive the linkage wheel 3 to rotate. The linkage wheel 3 can drive the eccentric wheel 13 to rotate eccentrically. The eccentric wheel 13 can drive the translation plate 25 to move back and forth through the movable rod 24, so as to drive the material removal frame 19 to clean the outside of the gear 17.
[0036] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. Hydraulic gear pump vane surface particle treatment device, including a housing (1), characterized in that: The housing (1) has a side plate (16) on the rear side, bolts (15) are installed on the rear side of the side plate (16) near the four corners, the side plate (16) is movably connected to the housing (1) via a plurality of bolts (15), and a sealing ring (14) is sleeved on the outer side of the housing (1) near the rear side. The housing (1) has two gears (17) in the inner cavity, and the two gears (17) are meshed with each other. The inner cavities of the two gears (17) are penetrated by transmission rods (9) and fixedly connected thereto. The rear ends of the two transmission rods (9) are plugged into the side plates (16). The front ends of the two transmission rods (9) penetrate the housing (1). The front end of the transmission rod (9) on the left side is provided with a circular groove. The front end of the transmission rod (9) on the left side is provided with a plurality of grooves. The plurality of grooves are arranged in a circular array with the center of the transmission rod (9) as the center. The plurality of grooves are mutually penetrated with the circular groove. Blind grooves are provided on both sides of the grooves. A spring (23) is installed in the inner cavity of the blind groove. The corresponding ends of the plurality of springs (23) are fixedly connected with A movable block (22), wherein a motor (11) is provided at the front side of the housing (1), a power output shaft of the motor (11) is fixedly connected to a rotating rod (21), and a plurality of clamping plates (20) are fixedly connected to the outer side of the rotating rod (21) near the rear end, and the plurality of clamping plates (20) are arranged in a circular array with the center of the rotating rod (21) as the center, and the plurality of clamping plates (20) are all in contact with adjacent movable blocks (22), a slider is fixedly connected to the bottom of the motor (11), a limit plate (12) is provided at the bottom of the motor (11), the slider is movably connected to the inner cavity of the limit plate (12), the rear side of the limit plate (12) is fixedly connected to the housing (1), a discharge pipe (2) is plugged into the top of the housing (1), and a feed pipe (18) is plugged into the bottom of the housing (1); A second grooved wheel (27) is fixedly sleeved on the outer side of the rotating rod (21); a first grooved wheel (26) is fixedly sleeved on the outer side of the transmission rod (9) located on the right side near the front end; a second belt (10) is sleeved between the first grooved wheel (26) and the second grooved wheel (27); the first grooved wheel (26) and the second grooved wheel (27) are connected in transmission via the second belt (10); The outer sides of the rotating rod (21) and the transmission rod (9) located on the right are both fixedly sleeved with lower groove wheels (8), and the tops of the two lower groove wheels (8) are both provided with upper groove wheels (5), a first belt (4) is provided between the lower groove wheels (8) and the upper groove wheels (5), and the lower groove wheels (8) and the upper groove wheels (5) are connected in transmission via the first belt (4).
2. The hydraulic gear pump vane surface particle treatment device according to claim 1, characterized in that: A first rotating shaft is provided through the inner cavity of the upper groove wheel (5), and the rear ends of the two first rotating shafts are sleeved with L-shaped mounting plates (7), and the sides of the two L-shaped mounting plates (7) away from the upper groove wheel (5) are fixedly connected to the outer shell (1).
3. The surface particle treatment device for the blades of a hydraulic gear pump according to claim 2, wherein: A driving bevel gear (28) is fixedly connected to the rear end of each of the two first rotating shafts. A driven bevel gear (6) is meshed with the driving bevel gear (28) near the bottom at the rear side. A second rotating shaft penetrates through the center of the driven bevel gear (6) and is fixedly connected thereto. The bottom end of the second rotating shaft is inserted into an L-shaped mounting plate (7).
4. The hydraulic gear pump vane surface particle treatment device according to claim 3, characterized in that: A linkage wheel (3) is fixedly connected to the top end of the second rotating shaft. An eccentric wheel (13) is hinged to the top of the linkage wheel (3). An annular groove is formed in the bottom of the eccentric wheel (13). A movable rod (24) is movably connected to the inner cavity of the annular groove. A translation plate (25) is fixedly connected to the bottom of the movable rod (24). The rear side of the translation plate (25) penetrates through the housing (1) and extends into the inner cavity.
5. The hydraulic gear pump vane surface particle treatment device according to claim 4, wherein: A material removing frame (19) is sleeved on the outer side of each of the two gears (17). The gear (17) is in contact with the inner side wall of the material removing frame (19).
6. The usage method of the hydraulic gear pump vane surface particle treatment device according to claim 5, characterized in that, It includes the following steps: S1: When the motor (11) is started, the rotating rod (21) is driven to rotate through the power output shaft. When the rotating rod (21) rotates, the driving rod (9) on the left side is driven to rotate. The driving rod (9) on the left side drives the gear (17) on the left side to rotate, and the gear (17) on the left side drives the gear (17) on the right side to rotate. S2: When it is necessary to clean the blades on the gear (17), the motor (11) is manually driven to move forward. When the motor (11) moves forward, the rotating rod (21) is driven to move forward. The rotating rod (21) drives a plurality of clamping plates (20) to disengage from the inner cavity of the groove, so that the motor (11) is disengaged from the driving rod (9) on the left side. S3: When the motor (11) is disengaged from the driving rod (9) on the left side, the motor (11) is started again. When the power output shaft of the motor (11) rotates, the second sheave (27) is driven to rotate. The second sheave (27) drives the first sheave (26) to rotate through the second belt (10). The first sheave (26) drives the driving rod (9) on the right side to rotate. When the power output shaft and the driving rod (9) on the right side rotate, the adjacent lower sheave (8) is driven to rotate. The lower sheave (8) drives the upper sheave (5) to rotate through the first belt (4). The upper sheave (5) drives the driving bevel gear (28) to rotate. The driving bevel gear (28) drives the driven bevel gear (6) to rotate. The driven bevel gear (6) drives the linkage wheel (3) to rotate. The linkage wheel (3) drives the eccentric wheel (13) to rotate eccentrically. The eccentric wheel (13) drives the translation plate (25) to move back and forth through the movable rod (24), so as to drive the material removing frame (19) to clean the outer side of the gear (17).
Citation Information
Patent Citations
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CN202040078U
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