Hydraulic cylinder barrel inner wall cleaning device
By designing a moving and limiting mechanism for the hydraulic cylinder inner wall cleaning device, the problems of inconvenience in moving the hydraulic cylinder and changing the brush were solved, enabling convenient movement and quick replacement, and improving cleaning efficiency and equipment stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DANYANG HYDRAULIC ACCESSORIES EQUIP FACTORY CO LTD
- Filing Date
- 2025-05-19
- Publication Date
- 2026-05-19
AI Technical Summary
The existing hydraulic cylinder is inconvenient to move and brush to replace, and it is easy to slip and be damaged, and the cleaning is not thorough, which affects the stability and service life of the equipment.
A hydraulic cylinder inner wall cleaning device was designed, comprising a moving mechanism and a limiting mechanism. The moving mechanism is facilitated by a threaded rod and a movable block, while the limiting mechanism enables quick replacement of the brush cylinder through a strong spring and a sector-shaped baffle, ensuring cleaning effect and equipment stability.
This enables convenient movement of the hydraulic cylinder and quick replacement of the brush cylinder, improving cleaning efficiency, reducing maintenance costs, and ensuring the stability and safety of equipment operation.
Smart Images

Figure CN224253736U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hydraulic cylinder technology, specifically to a hydraulic cylinder inner wall cleaning device. Background Technology
[0002] With the continuous improvement of industrial automation, hydraulic systems, as a key component of mechanical transmission and control systems, directly affect the working efficiency and reliability of mechanical equipment. Hydraulic cylinders, as one of the important actuators in hydraulic systems, are widely used in many industries such as construction machinery, shipbuilding, and aerospace. The cleanliness of the inner wall of the hydraulic cylinder is one of the important factors ensuring the normal operation of the hydraulic cylinder; it directly relates to the cleanliness of the hydraulic oil, and thus affects the stability and service life of the entire hydraulic system.
[0003] Existing devices are inconvenient to operate, especially in terms of moving the hydraulic cylinder. This makes it easy for the hydraulic cylinder to slip and be damaged during installation due to human error or external factors. Furthermore, another problem has been found during use: the brush replacement is not convenient. This directly results in the inability to quickly replace damaged brushes, thus affecting normal use. Therefore, this invention designs a hydraulic cylinder inner wall cleaning device to solve the above problems. Utility Model Content
[0004] The purpose of this invention is to provide a hydraulic cylinder inner wall cleaning device to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A hydraulic cylinder inner wall cleaning device includes a worktable, a hydraulic cylinder, a moving mechanism, and a limiting mechanism. The moving mechanism includes a reciprocating motor. The worktable has a slotted groove inside. The reciprocating motor is fixedly installed on one side of the slotted groove. A threaded rod is fixedly installed at the end of the rotating shaft of the reciprocating motor. A movable block is sleeved on the outside of the threaded rod. An internal thread bearing that mates with the external thread of the threaded rod is provided inside the movable block.
[0007] The limiting mechanism includes a rotating shaft with a circular groove inside. An iron plate is placed inside the circular groove. Circular cylinders are symmetrically installed outside the iron plate. A fan-shaped baffle is movably arranged inside the circular cylinder. A strong spring is installed between the circular cylinder and the fan-shaped baffle. The fan-shaped groove is symmetrically opened outside the rotating shaft.
[0008] Preferably, a fixed bearing is installed on the side of the strip groove away from the reciprocating motor, and the other end of the rotating shaft of the threaded rod is connected to the fixed bearing.
[0009] Preferably, a fixed plate is installed on the outside of the worktable, and a support plate is installed on the side of the fixed plate away from the reciprocating motor. Several support rods are fixedly installed on the top of the support plate, and servo motors are installed on the top of the support rods. The support rods support the servo motors.
[0010] Preferably, the end of the servo motor's rotating shaft extends through the worktable to the other side of the worktable, and a rotating shaft is mounted at the end. A circular baffle is mounted on the outside of the rotating shaft near the fixed plate, and a brush cylinder is sleeved on the outside of the rotating shaft. A friction bushing or rubber bushing is added between the brush cylinder and the rotating shaft.
[0011] Preferably, a mounting plate is installed on the top of the movable block, a hydraulic lifting rod is installed on the top of the mounting plate, and an arc-shaped plate is installed at the output end of the hydraulic lifting rod. The hydraulic lifting rod raises and lowers the arc-shaped plate.
[0012] Preferably, the arc-shaped plate has symmetrically formed hollow grooves inside, a shock absorber is installed inside the hollow groove, a placement plate is installed on top of the shock absorber, and a fixing bandage is installed on the outside of the arc-shaped plate. The hydraulic cylinder is fixed by the combined use of the arc-shaped plate and the fixing bandage.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. This utility model enables convenient movement of the hydraulic cylinder via a moving mechanism. The moving mechanism includes a threaded rod, a movable block, and an internal threaded bearing. When the device is needed to clean the inner wall of the hydraulic cylinder, the hydraulic cylinder is placed inside the arc-shaped plate. At this time, the reciprocating motor is started, which drives the threaded rod to rotate. During the rotation, the threaded rod, in conjunction with the internal threaded bearing inside the movable block, enables the movable block to move horizontally. During the movement, the movable block moves the hydraulic cylinder.
[0015] 2. This utility model enables the replacement of the brush cylinder through a limiting mechanism. The limiting mechanism includes an iron plate, a strong spring, and a sector-shaped baffle. During prolonged cleaning of the inner wall of the hydraulic cylinder, the bristles on the outside of the brush cylinder fall off due to high-speed rotation, resulting in incomplete cleaning. At this time, pressing the bottom of the sector-shaped baffle into the interior of the circular cylinder allows the brush cylinder to be removed from the inside of the rotating shaft for replacement. After replacement, the sector-shaped baffle is reset by the elastic force of the strong spring. The combination of the sector-shaped baffle and the circular baffle limits the brush cylinder. The limiting mechanism enables quick replacement of the brush cylinder through simple operation, effectively improving the cleaning effect and work efficiency, while reducing maintenance costs and ensuring the stability and safety of equipment operation. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a first three-dimensional structural diagram of the present invention;
[0018] Figure 2 This is a schematic diagram of the second three-dimensional structure of the present invention;
[0019] Figure 3 This is an enlarged schematic diagram of the internal structure of this utility model;
[0020] Figure 4 This is a partial structural schematic diagram of the present invention;
[0021] Figure 5 This is an enlarged structural diagram of part A of this utility model;
[0022] Figure 6 This is an enlarged structural diagram of part B of this utility model.
[0023] The attached diagram lists the components represented by each number as follows:
[0024] 1. Workbench; 21. Fixed plate; 22. Support plate; 23. Support rod; 24. Servo motor; 25. Rotating shaft; 26. Brush tube; 27. Circular baffle; 31. Circular groove; 32. Fan-shaped groove; 33. Iron plate; 34. Circular cylinder; 35. Strong spring; 36. Fan-shaped baffle; 41. Strip groove; 42. Reciprocating motor; 43. Threaded rod; 44. Fixed bearing; 45. Moving block; 46. Internal threaded bearing; 51. Mounting plate; 52. Hydraulic lifting rod; 53. Arc plate; 54. Hollowed-out groove; 55. Shock absorber; 56. Placement plate; 57. Fixed bandage; 6. Hydraulic cylinder. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0026] Please see Figure 1-6 This utility model provides a technical solution:
[0027] A hydraulic cylinder inner wall cleaning device includes a worktable 1, a hydraulic cylinder 6, a moving mechanism, and a limiting mechanism. The moving mechanism includes a reciprocating motor 42. A strip groove 41 is formed inside the worktable 1. The reciprocating motor 42 is fixedly installed on one side of the inner side of the strip groove 41. A threaded rod 43 is fixedly installed at the end of the rotating shaft of the reciprocating motor 42. A movable block 45 is sleeved on the outside of the threaded rod 43. An internal thread bearing 46 is provided inside the movable block 45 to cooperate with the external thread of the threaded rod 43. The movable block 45 can be linearly moved by the cooperation of the threaded rod 43 and the internal thread bearing 46, which makes it less likely for the hydraulic cylinder to slip during installation.
[0028] The limiting mechanism includes a rotating shaft 25, with a circular groove 31 inside the rotating shaft 25. An iron plate 33 is placed inside the circular groove 31, and a circular cylinder 34 is symmetrically installed on the outside of the iron plate 33. A fan-shaped baffle 36 is movably arranged inside the circular cylinder 34, and a strong spring 35 is installed between the circular cylinder 34 and the fan-shaped baffle 36. A fan-shaped groove 32 is symmetrically opened on the outside of the rotating shaft 25. By using the strong spring 35 and the fan-shaped baffle 36 together, the position of the brush cylinder 26 can be limited, and the brush cylinder 26 can be quickly replaced when it is damaged.
[0029] A fixed bearing 44 is installed on the side of the strip groove 41 away from the reciprocating motor 42. The other end of the rotating shaft of the threaded rod 43 is connected to the fixed bearing 44. A fixed plate 21 is installed on the outside of the worktable 1. A support plate 22 is installed on the side of the fixed plate 21 away from the reciprocating motor 42. Several support rods 23 are fixedly installed on the top of the support plate 22. A servo motor 24 is installed on the top of the support rods 23. The support rods 23 support the servo motor 24.
[0030] The rotating shaft of the servo motor 24 passes through the worktable 1 to the other side of the worktable 1 and is equipped with a rotating shaft 25. A circular baffle 27 is installed on the outside of the rotating shaft 25 near the fixed plate 21. A brush cylinder 26 is sleeved on the outside of the rotating shaft 25. A friction bushing or rubber bushing is added between the brush cylinder 26 and the rotating shaft 25. A mounting plate 51 is installed on the top of the movable block 45. A hydraulic lifting rod 52 is installed on the top of the mounting plate 51. An arc-shaped plate 53 is installed at the output end of the hydraulic lifting rod 52. The hydraulic lifting rod 52 raises and lowers the arc-shaped plate 53. The arc-shaped plate 53 has symmetrically symmetrical hollow grooves 54 inside. A shock absorber 55 is installed inside the hollow groove 54. A placement plate 56 is installed on the top of the shock absorber 55. A fixing bandage 57 is installed on the outside of the arc-shaped plate 53. The hydraulic cylinder 6 is fixed by the cooperation of the arc-shaped plate 53 and the fixing bandage 57.
[0031] When the device is needed to clean the hydraulic cylinder 6, the staff needs to place the hydraulic cylinder 6 on the arc plate 53. When the hydraulic cylinder 6 is placed on the arc plate 53, the shock absorber 55 reduces the pressure to prevent the hydraulic cylinder 6 from damaging the arc plate 53. After the hydraulic cylinder 6 is placed, it is fixed with the fixing bandage 57.
[0032] After the hydraulic cylinder 6 is fixed, the reciprocating motor 42 is started. The reciprocating motor 42 drives the threaded rod 43 to rotate. During the rotation, the threaded rod 43 moves the movable block 45 towards the side closer to the moving servo motor 24 by cooperating with the internal threaded bearing 46 installed inside the movable block 45. During the movement, the movable block 45 drives the arc plate 53 to move synchronously through the cooperation of the mounting plate 51 and the hydraulic lifting rod 52. During the movement, the arc plate 53 drives the hydraulic cylinder 6 to move. (The threaded rod 43 and the internal threaded bearing 46 are made of 1095 steel or (52100 steel, D2 steel)).
[0033] After moving the hydraulic cylinder 6 to a suitable position (the side of the hydraulic cylinder 6 closest to the servo motor 24 is not in contact with the rotating shaft 25, and the center of the hydraulic cylinder 6 coincides with the center of the rotating shaft 25), start the hydraulic lifting rod 52. The output end of the hydraulic lifting rod 52 drives the arc plate 53 to rise away from the worktable 1. After raising the hydraulic cylinder 6 to a suitable height, start the reciprocating motor 42 again. Through the cooperation of the movable block 45 and other structures, the hydraulic cylinder 6 is moved closer to the brush cylinder 26, so that the inner diameter of the hydraulic cylinder 6 is outside the brush cylinder 26. Then, turn off the reciprocating motor 42. This kind of movement can achieve stable installation of the hydraulic cylinder 6 and avoid damage to the hydraulic cylinder 6 due to detachment during the installation process.
[0034] The servo motor 24 is started, which drives the rotating shaft 25 to rotate. During the rotation of the rotating shaft 25, the brush cylinder 26 rotates, cleaning the inner wall of the hydraulic cylinder 6. During the cleaning process, the hydraulic cylinder 6 is fixed by the cooperation of the arc plate 53 and the fixing bandage 57. The arc plate 53 can conform to the shape of the outer wall of the hydraulic cylinder 6, providing a large area of support and preventing the hydraulic cylinder 6 from shaking or shifting due to the high-speed rotation of the brush cylinder 26 during the cleaning process. This ensures the stability and accuracy of the cleaning process. With a solid fixation, the hydraulic cylinder 6 will not shift or vibrate during the cleaning process, ensuring that the brush cylinder 26 can evenly and comprehensively contact the inner wall, thereby improving the cleaning effect and avoiding problems such as dead corners or incomplete cleaning due to loose fixation.
[0035] When the brush cylinder 26 is damaged, the worker presses the bottom of the fan-shaped baffle 36 into the interior of the circular cylinder 34. At this time, the brush cylinder 26 can be removed from the interior of the rotating shaft 25 for replacement. The replacement brush cylinder 26 is placed inside the rotating shaft 25, with one end attached to the circular baffle 27 while the end of the brush cylinder 26 is not pressed against the fan-shaped baffle 36. At this time, the fan-shaped baffle 36 is reset into the interior of the fan-shaped groove 32 by the elastic force of the strong spring 35. The brush cylinder 26 is then fixed by the cooperation of the fan-shaped baffle 36 and the circular baffle 27. During the replacement of the brush cylinder 26, a friction bushing or rubber bushing is added between the brush cylinder 26 and the rotating shaft 25 so that the rotation of the rotating shaft 25 drives the brush cylinder 26 to rotate. The high-strength spring 35 is made of chrome vanadium steel or silicon manganese steel, and its fatigue condition needs to be checked monthly. The bushing between the rotating shaft 25 and the brush cylinder 26 is made of polyurethane or nylon. These two materials not only provide the necessary friction to ensure that the rotating shaft 25 can effectively drive the brush cylinder 26 to rotate, but also have excellent wear resistance and a long service life, which helps to reduce maintenance frequency and cost.
[0036] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0037] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A hydraulic cylinder inner wall cleaning device, characterized in that: Includes a worktable (1), a hydraulic cylinder (6), a moving mechanism, and a limiting mechanism; The moving mechanism includes a reciprocating motor (42), and the worktable (1) has a slot (41) inside. The reciprocating motor (42) is fixedly installed on one side of the slot (41). A threaded rod (43) is fixedly installed at the end of the rotating shaft of the reciprocating motor (42). A movable block (45) is sleeved on the outside of the threaded rod (43). An internal thread bearing (46) that mates with the external thread of the threaded rod (43) is provided inside the movable block (45). The limiting mechanism includes a rotating shaft (25), a circular groove (31) is provided inside the rotating shaft (25), an iron plate (33) is provided inside the circular groove (31), a circular cylinder (34) is symmetrically installed on the outside of the iron plate (33), a fan-shaped baffle (36) is movably provided inside the circular cylinder (34), a strong spring (35) is installed between the circular cylinder (34) and the fan-shaped baffle (36), and a fan-shaped groove (32) is symmetrically provided on the outside of the rotating shaft (25).
2. The hydraulic cylinder inner wall cleaning device according to claim 1, characterized in that: A fixed bearing (44) is installed on the side of the strip groove (41) away from the reciprocating motor (42), and the other end of the rotating shaft of the threaded rod (43) is connected to the fixed bearing (44).
3. The hydraulic cylinder inner wall cleaning device according to claim 1, characterized in that: A fixing plate (21) is installed on the outside of the workbench (1). A support plate (22) is installed on the side of the fixing plate (21) away from the reciprocating motor (42). Several support rods (23) are fixedly installed on the top of the support plate (22). A servo motor (24) is installed on the top of the support rods (23).
4. The hydraulic cylinder inner wall cleaning device according to claim 3, characterized in that: The end of the rotating shaft of the servo motor (24) passes through the workbench (1) to the other side of the workbench (1) and is equipped with a rotating shaft (25). A circular baffle (27) is installed on the side of the rotating shaft (25) near the fixed plate (21). A brush cylinder (26) is sleeved on the outside of the rotating shaft (25).
5. A hydraulic cylinder inner wall cleaning device according to claim 1, characterized in that: The top of the movable block (45) is equipped with an mounting plate (51), the top of the mounting plate (51) is equipped with a hydraulic lifting rod (52), and the output end of the hydraulic lifting rod (52) is equipped with an arc plate (53).
6. The hydraulic cylinder inner wall cleaning device according to claim 5, characterized in that: The arc-shaped plate (53) has symmetrically opened hollow grooves (54) inside, a shock absorber (55) is installed inside the hollow groove (54), a placement plate (56) is installed on the top of the shock absorber (55), and a fixing bandage (57) is installed on the outside of the arc-shaped plate (53).