Dirt removing device for oil cylinder piston rod
By designing a cylinder piston rod dirt removal device including servo motor, gears, racks, annular water pipes and spray heads, the problems of high energy consumption, large-scale cylinder piston rod cleaning, large workload and poor safety are solved, and efficient full-coverage cleaning and adapting to the support and fixation of piston rods of different specifications are achieved.
Patent Information
- Application Number
- CN202420440457.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-07
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-03-07
AI Technical Summary
During the use of the piston rod of the large oil cylinder, due to hydraulic oil pollution, dust and metal particles, dirt is prone to accumulate on the surface, resulting in accelerated wear and blockage of hydraulic system and failure. The existing cleaning methods consume high energy, workload and poor safety.
A dirt removal device for oil cylinder piston rod is designed, including a cleaning tank, a fixing seat, a servo motor, gear, rack, annular water pipe and a spray head. The servo motor drives the gear and rack, and drives the annular water pipe to fully cover and clean the piston rod, and adapts to different specifications of piston rods through the support table and lock bolts.
It realizes efficient and full coverage cleaning of large cylinder piston rods, reduces the workload of mobile piston rods, reduces the risk of mechanical damage, improves cleaning safety, and adapts to piston rods of different specifications for support and fixing.
Smart Images

Figure CN222753865U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil cylinder piston rods, in particular to a dirt removing device for an oil cylinder piston rod. Background Art
[0002] The piston rod of a large oil cylinder is an indispensable part of the hydraulic system. It is mainly used to transmit force and control movement. It is widely used in various machines and equipment, such as construction machinery, mining equipment, agricultural machinery, etc., especially in situations where large thrust and precise control are required. During the use of the oil cylinder piston rod, dirt is easily accumulated on the surface due to factors such as hydraulic oil pollution, dust and metal particles. These dirts will not only accelerate the wear of the piston rod and seals, but may also cause blockage and failure of the hydraulic system. Therefore, regular cleaning of the piston rod to remove surface dirt is essential to ensure the normal operation of the oil cylinder and extend the service life of the equipment.
[0003] The main technical difficulties faced by the current oil cylinder piston rod cleaning on the market include large cleaning workload, high energy consumption and poor safety. Especially for large oil cylinder piston rods, due to their heavy weight and large size, the piston rod position needs to be changed by machine during the movement and positioning process, which consumes a lot of manpower and mechanical energy. This not only increases the cleaning cost, but also may cause equipment damage or personal injury due to improper operation, posing a great safety hazard.
[0004] Therefore, there is an urgent need for a dirt removal device for an oil cylinder piston rod to solve the technical defects proposed in the above technology. Utility Model Content
[0005] The purpose of the utility model is to provide a dirt removal device for a cylinder piston rod, so as to solve the problem raised in the above-mentioned background technology that for large cylinder piston rods, due to their heavy weight and large size, the position of the piston rod needs to be changed by a machine during the movement and positioning process, which consumes a lot of manpower and mechanical energy and poses great safety hazards.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dirt removal device for an oil cylinder piston rod, comprising a cleaning tank and a fixed seat, a group of fixed seats are arranged on each side of the cleaning tank, the fixed seats are provided with slide grooves extending in the length direction of the fixed seats, racks are embedded in the slide grooves, a servo motor is fixedly connected to the middle position of the bottom end of the fixed seat, the output shaft of the servo motor is fixedly sleeved with a gear, the rack and the gear are meshingly connected, the top of the rack is fixedly connected to a group of moving frames, two groups of moving frames are arranged, an annular water distribution pipe is fixedly connected between the two groups of moving frames, and a plurality of groups of spray heads are installed on the inner wall of the annular water distribution pipe.
[0007] Preferably, the fixed seat is provided with two groups and is arranged on both sides of the cleaning pool, a water tank is provided on the left side of the fixed seat, a metering water pump is fixedly connected to the front end of the water tank, a water supply pipe is fixedly connected to the output end of the metering water pump, a water diversion pipe is connected between the water supply pipe and the annular water distribution pipe, and the motor in the fixed seat and the metering water pump at the front end of the water tank are both controlled by a controller.
[0008] Preferably, two groups of racks are provided, and the two groups of racks move in the same direction.
[0009] Preferably, the bottom end of the annular water distribution pipe is hollow, and the sprinkler heads are distributed in a ring shape on the inner wall of the annular water distribution pipe.
[0010] Preferably, a fixing frame is arranged at the top of the cleaning pool, and adjustment grooves are respectively opened around the outer wall of the fixing frame. A group of support platforms are movably connected in the adjustment grooves, and locking bolts are fixedly connected between the support platforms and the adjustment grooves, and the piston rod is supported on the top of the support platforms.
[0011] Preferably, four groups of support platforms are provided in total, and the support cylinder surface at the top of the support platform is processed into a concave arc shape.
[0012] Preferably, a filter plate is installed at the bottom of the cleaning tank. The filter plate is placed at the bottom of the cleaning tank and has handles welded on both sides for pulling upwards.
[0013] Preferably, the length of the fixing seat is greater than the cleaning tank, and the top of the cleaning tank does not contact the bottom of the annular water distribution pipe.
[0014] Compared with the prior art, the utility model has the following beneficial effects: the dirt removal device for the oil cylinder piston rod not only realizes mobile covering cleaning, avoids the workload of moving the piston rod, reduces the risk of mechanical damage, improves the cleaning safety, realizes the support and fixation of piston rods of different specifications within a certain range, but also realizes the filter plate can be replaced to prevent clogging;
[0015] (1) The device is provided with an annular water distribution pipe, a spray head, a servo motor, a gear, and a rack. The device is provided with a relatively large annular water distribution pipe located outside the support platform, and a cleaning liquid is sprayed to the piston rod supported on the support platform through an annularly distributed spray head. The large piston rod can be cleaned in multiple directions. In the fixed seat, the servo motor is controlled to output torque uniformly. When the two sets of servo motors are started synchronously, the gears rotate synchronously, driving the rack to move forward in a straight line, and the annular water distribution pipe cleans the entire piston rod from front to back, thereby avoiding the workload of moving the piston rod, reducing the risk of mechanical damage, and improving the safety of cleaning;
[0016] (2) By providing a support platform and locking bolts, the device uses four groups of support platforms to jointly support the piston rod. During the cleaning process of piston rods of different specifications, the support diameter of the support platform can be adjusted by adjusting the locking bolts of each group of fixed support platforms, thereby supporting and fixing piston rods of different specifications within a certain range;
[0017] (3) A cleaning tank, a filter plate, and a handle are provided. A filter plate is provided at the bottom of the cleaning tank to filter large particles of dirt after cleaning and intercept industrial residues such as debris in the oil. The filter plate can be removed and replaced by pulling the handle upwards to clean and prevent clogging. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the fixing seat of the utility model from top view;
[0020] Figure 3 This is a schematic diagram of the top view of the cleaning pool of the utility model;
[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the annular water distribution pipe of the utility model.
[0022] In the figure: 1. cleaning tank; 2. filter plate; 3. handle; 4. fixing seat; 5. metering water pump; 6. controller; 7. water supply pipe; 8. water tank; 9. water diversion pipe; 10. moving frame; 11. ring water distribution pipe; 12. sprinkler head; 13. support platform; 14. locking bolt; 15. adjusting slot; 16. fixing frame; 17. slide slot; 18. gear; 19. servo motor; 20. rack. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] Example 1: Please refer to Figure 1-4A dirt removal device for a cylinder piston rod comprises a cleaning tank 1 and a fixed seat 4. A group of fixed seats 4 are arranged on both sides of the cleaning tank 1. The fixed seats 4 are provided with slide grooves 17 extending in the length direction of the fixed seats 4. Racks 20 are respectively embedded in the slide grooves 17. A servo motor 19 is fixedly connected to the middle position of the bottom end of the fixed seat 4. The output shaft of the servo motor 19 is fixedly sleeved with a gear 18. The rack 20 is meshed with the gear 18. The top of the rack 20 is fixedly connected to a group of moving frames 10. Two groups of moving frames 10 are arranged. An annular water distribution pipe 11 is fixedly connected between the two groups of moving frames 10. The annular water distribution pipe 11 is fixedly connected to the ring. A plurality of groups of spray heads 12 are installed on the inner wall of the annular water distribution pipe 11, two groups are arranged on the fixed seat 4 and are arranged on both sides of the cleaning pool 1, a water tank 8 is arranged on the left side of the fixed seat 4, a metering water pump 5 is fixedly connected to the front end of the water tank 8, a water supply pipe 7 is fixedly connected to the output end of the metering water pump 5, a water diversion pipe 9 is connected between the water supply pipe 7 and the annular water distribution pipe 11, the motor in the fixed seat 4 and the metering water pump 5 at the front end of the water tank 8 are controlled by the controller 6, two groups of racks 20 are arranged, and the two groups of racks 20 move in the same direction, the bottom end of the annular water distribution pipe 11 is hollow, and the spray heads 12 are distributed in a ring on the inner wall of the annular water distribution pipe 11;
[0025] Specifically, Figure 1 , Figure 2 and Figure 4 As shown, the device is provided with a relatively large annular water distribution pipe 11 located outside the support platform 13, and a cleaning liquid is sprayed to the piston rod supported on the support platform 13 through the annularly distributed spray heads 12, so that the large piston rod can be cleaned in multiple directions. In the fixed seat 4, the servo motor 19 is controlled to output torque evenly. When the two groups of servo motors 19 are started synchronously, the gear 18 rotates synchronously, driving the rack 20 to move forward in a straight line, and the annular water distribution pipe 11 fully covers and cleans the entire piston rod from front to back.
[0026] Embodiment 2: A fixing frame 16 is mounted on the top of the cleaning tank 1, and adjustment grooves 15 are respectively opened around the outer wall of the fixing frame 16. A group of support platforms 13 are movably connected in the adjustment grooves 15. Locking bolts 14 are fixedly connected between the support platforms 13 and the adjustment grooves 15. The piston rod is supported on the top of the support platform 13. There are four groups of support platforms 13 in total. The support cylinder surface at the top of the support platform 13 is processed into a concave arc shape;
[0027] Specifically, Figure 1 and Figure 3 As shown, the device uses four groups of support platforms 13 to jointly support the piston rod. During the cleaning process of piston rods of different specifications, the support diameter of the support platform 13 can be adjusted by adjusting the locking bolts 14 that fix the position of each group of support platforms 13, so as to support and fix piston rods of different specifications within a certain range.
[0028] Embodiment 3: A filter plate 2 is installed at the bottom of the cleaning tank 1. The filter plate 2 is placed at the bottom of the cleaning tank 1 and has handles 3 welded on both sides for upward pulling. The length of the fixing seat 4 is greater than the cleaning tank 1. The top of the cleaning tank 1 does not contact the bottom of the annular water distribution pipe 11.
[0029] Specifically, Figure 1 and Figure 3 As shown, a filter plate 2 is arranged at the bottom end of the cleaning tank 1 to filter large particles of dirt after cleaning and intercept industrial residues such as debris in the oil. By pulling up the handle 3, the filter plate 2 can be removed and replaced to clean and prevent clogging.
[0030] Working principle: The two groups of gears 18 in the control device are controlled by the controller 6 to output the same torque, and the flow rate of the designed metering water pump 5 is adjusted to make it stably draw cleaning liquid from the water tank 8. The piston rod is hoisted to the support platform 13 by an external crane, and then the cleaning program is started. The metering water pump 5 draws out the cleaning liquid and sends it to the annular water distribution pipe 11 through the water pipe 9, and sprays it to the piston rod through multiple groups of spray heads 12. The cleaning liquid is sprayed to the piston rod supported on the support platform 13 through the annularly distributed spray heads 12, and the large piston rod can be cleaned in multiple directions. In the fixed seat 4, the servo motor 19 is controlled to output torque evenly. When the two groups of servo motors 19 are started synchronously, the gears 18 rotate synchronously, driving the rack 20 to move forward in a straight line, and the annular water distribution pipe 11 fully covers and cleans the entire piston rod from front to back. The cleaning wastewater seeps from the cleaning pool 1 and filters the large particles of dirt after cleaning through the filter plate 2, intercepting industrial residues such as debris in the oil.
[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A dirt removal device for a cylinder piston rod, comprising a cleaning tank (1) and a fixing seat (4), characterized in that: A group of fixed seats (4) are respectively arranged on both sides of the cleaning pool (1), and a slide groove (17) extending in the length direction of the fixed seat (4) is opened in the fixed seat (4), and a rack (20) is respectively embedded in the slide groove (17). A servo motor (19) is fixedly connected to the middle position of the bottom end of the fixed seat (4), and the output shaft of the servo motor (19) is fixedly sleeved with a gear (18), and the rack (20) and the gear (18) are meshed and connected. The top of the rack (20) is fixedly connected to a group of moving frames (10), and two groups of the moving frames (10) are arranged. An annular water distribution pipe (11) is fixedly connected between the two groups of moving frames (10), and a plurality of groups of spray heads (12) are installed on the inner wall of the annular water distribution pipe (11).
2. The dirt removal device for a cylinder piston rod according to claim 1, characterized in that: The fixed seat (4) is provided with two groups and is arranged on both sides of the cleaning pool (1). A water tank (8) is provided on the left side of the fixed seat (4). A metering water pump (5) is fixedly connected to the front end of the water tank (8). The output end of the metering water pump (5) is fixedly connected to a water supply pipe (7). A water diversion pipe (9) is connected between the water supply pipe (7) and the annular water distribution pipe (11).
3. The dirt removal device for a cylinder piston rod according to claim 1, characterized in that: The racks (20) are provided in two groups, and the two groups of racks (20) move in the same direction.
4. The dirt removal device for a cylinder piston rod according to claim 1, characterized in that: The bottom end of the annular water distribution pipe (11) is hollow, and the spray heads (12) are distributed in an annular manner on the inner wall of the annular water distribution pipe (11).
5. The dirt removal device for a cylinder piston rod according to claim 1, characterized in that: A fixing frame (16) is mounted on the top of the cleaning pool (1), and adjustment grooves (15) are respectively provided around the outer wall of the fixing frame (16). A group of support platforms (13) are movably connected in the adjustment grooves (15), and locking bolts (14) are fixedly connected between the support platforms (13) and the adjustment grooves (15), and the piston rod is supported on the top of the support platform (13).
6. The dirt removal device for a cylinder piston rod according to claim 5, characterized in that: A total of four groups of the support platforms (13) are provided, and the top end supporting cylinder surfaces of the support platforms (13) are processed into a concave arc shape.
7. The dirt removal device for a cylinder piston rod according to claim 1, characterized in that: The bottom of the cleaning tank (1) is equipped with a filter plate (2), which is placed at the bottom of the cleaning tank (1) and has handles (3) welded on both sides for pulling upwards.
8. The dirt removal device for a cylinder piston rod according to claim 1, characterized in that: The length of the fixing seat (4) is greater than that of the cleaning pool (1), and the top end of the cleaning pool (1) is not in contact with the bottom end of the annular water distribution pipe (11).
9. The dirt removal device for a cylinder piston rod according to claim 2, characterized in that: A controller (6) is provided at the front end of the water tank (8), and the motor in the fixing seat (4) and the metering water pump (5) at the front end of the water tank (8) are both controlled by the controller (6).