Hydraulic cylinder adjusting device for servo motor
By designing a protective mechanism and an adjustment mechanism on the servo hydraulic cylinder, and using the driving motor to drive the tooth ring to scrape away dust, the problem of dust adhesion of the piston rod is solved, achieving better protection effect and installation convenience.
Patent Information
- Application Number
- CN202422310824.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-09-23
AI Technical Summary
When the existing servo hydraulic cylinder is used, the piston rod is prone to stick to dust when it telescopic, causing dust to enter the inside of the cylinder, and the protection effect is not ideal.
A hydraulic cylinder adjustment device including a protective mechanism and an adjustment mechanism is designed. The drive motor drives the reciprocating frame and the toothed ring structure, so that the scraper ring continuously rotates to scrape the dust on the piston rod, and adjusts the installation position through the adjustment screw.
Effectively prevent dust from entering the hydraulic cylinder, improve protection effect, and enhance installation flexibility and convenience.
Smart Images

Figure CN223261392U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of servo hydraulic cylinders, in particular to a hydraulic cylinder adjusting device for a servo motor. Background Art
[0002] The hydraulic cylinder adjustment device for the servo motor, namely the servo hydraulic cylinder, uses a stable, reliable and environmentally tolerant mechanical contouring (ball) screw to replace the electric displacement sensor and feedback adjustment function. In the existing technology, when the servo hydraulic cylinder is in use, the piston rod on it is easily adhered to dust during the extension and retraction operation, making it easy for dust to enter the cylinder body, making the protection effect less than ideal.
[0003] For example, patent publication number CN220646354U specifically discloses a servo hydraulic cylinder, including a hydraulic cylinder, wherein the hydraulic cylinder is provided with an oil filling hole, a sealing plug is threadedly connected to the oil filling hole, an oil filling pipe is passed through the inner wall end face of the oil filling hole, and the hydraulic cylinder is provided with an anti-accidental touch component and a dustproof component on the peripheral end face of the sealing plug, the anti-accidental touch component surrounds the outer end face of the sealing plug; the dustproof component is located on the outer end face of the anti-accidental touch component, the dustproof component surrounds the outer end face of the anti-accidental touch component, the dustproof component includes a dustproof bag, and the dustproof bag is connected to the outer end face of the oil filling pipe. This application can prevent operators from accidentally touching the sealing plug on the oil filling hole during use, storage or when filling oil through the oil filling hole, causing the oil port to be open and foreign matter to enter, thereby having high safety and improving the service life of the servo hydraulic cylinder. However, when this servo hydraulic cylinder is in use, dust is easily adhered to the piston rod during extension and retraction, making it easy for dust to enter the cylinder body, resulting in an unsatisfactory protection effect. Utility Model Content
[0004] In response to the deficiencies in the prior art, the utility model provides a hydraulic cylinder adjustment device for a servo motor, which solves the problem that when the servo hydraulic cylinder is in use, dust easily adheres to the piston rod during telescopic operation, allowing dust to easily enter the cylinder body, resulting in an unsatisfactory protection effect.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A hydraulic cylinder adjustment device for a servo motor, comprising a base, on which a servo motor and a hydraulic cylinder are mounted, a top end of the hydraulic cylinder is fixedly connected to a protective mechanism, and an adjustment mechanism is provided at the bottom of the base;
[0006] The protective mechanism includes a fixed seat, a gear ring is rotatably connected inside the fixed seat, a scraper ring is fixedly connected to the top of the gear ring, two limit grooves are provided on the top of the two limit grooves, the bottom end of the fixed shaft is rotatably connected to the limit wheel, a rotating gear is provided on one side of the gear ring, a movable rack is provided on one side of the rotating gear, the end of the movable rack is fixedly connected to a reciprocating frame, connecting tooth grooves are provided on the inner walls on both sides of the reciprocating frame, a fan gear is provided inside the reciprocating frame, the top of the fan gear is fixedly connected to the drive shaft, and the end of the drive shaft is fixedly connected to the drive motor.
[0007] Preferably, the fixing seat is fixedly installed at the end cover of the hydraulic cylinder, and the piston rod of the hydraulic cylinder and the fixing seat are arranged to penetrate each other, so that the surface of the piston rod of the hydraulic cylinder can be cleaned, which plays a good protective role.
[0008] Preferably, the top end of the fixed shaft is fixedly mounted on the inner wall of the fixed seat, and the limiting wheel is arranged inside the limiting groove, so that it can play a good limiting and guiding role for the gear ring.
[0009] Preferably, the rotating gear is rotatably connected to the inner wall of the fixed seat, and the rotating gear is engaged with the movable rack and the gear ring, so that the movable rack can drive the rotating gear to rotate, and the rotating gear can drive the gear ring to rotate.
[0010] Preferably, the end of the reciprocating frame is slidably connected to the inner wall of the fixed seat, and the reciprocating frame is engaged with the sector gear through the connecting tooth groove, so that the sector gear can drive the reciprocating frame to move back and forth through the connecting tooth groove.
[0011] Preferably, the drive motor is fixedly mounted on a fixing seat, and the output shaft of the drive motor is fixedly connected to the drive shaft, so that the drive motor can drive the drive shaft to rotate.
[0012] Preferably, the adjustment mechanism includes a fixed base plate, a plurality of guide slots are provided on the fixed base plate, the base is slidably connected to the guide slots through sliders, an adjusting screw is rotatably connected inside the fixed base plate, a rotating head is fixedly connected to the end of the adjusting screw, the adjusting screw is threadedly connected to the base, and mounting plates are fixedly connected on both sides of the fixed base plate, which can facilitate adjustment of the installation position.
[0013] The utility model provides a hydraulic cylinder adjustment device for a servo motor. Compared with the prior art, it has the following beneficial effects:
[0014] 1. The hydraulic cylinder adjustment device used by the servo motor drives the reciprocating frame to move back and forth through the driving motor. The movement of the reciprocating frame drives the gear ring to rotate. The rotation of the gear ring drives the scraper ring to rotate, so that the scraper ring continuously rotates back and forth in a small range to scrape off the dust on the hydraulic cylinder piston rod, preventing dust from entering the interior of the hydraulic cylinder, and effectively improving the protection effect.
[0015] 2. The hydraulic cylinder adjustment device used for the servo motor rotates the rotary head, which drives the adjusting screw to rotate. The adjusting screw drives the base to move along the guide groove, which can facilitate the adjustment of the installation position and effectively improve the flexibility and convenience of installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the protective mechanism structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the internal structure of the fixing seat of the utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the adjustment mechanism of the present utility model.
[0020] In the figure: 1. Base; 2. Protection mechanism; 201. Fixed seat; 202. Gear ring; 203. Scraper ring; 204. Limiting groove; 205. Fixed shaft; 206. Limiting wheel; 207. Rotating gear; 208. Moving rack; 209. Reciprocating frame; 210. Connecting gear groove; 211. Fan gear; 212. Drive shaft; 213. Drive motor; 3. Servo motor; 4. Adjusting mechanism; 401. Fixed bottom plate; 402. Guide slide; 403. Mounting plate; 404. Adjusting screw; 405. Rotating head; 406. Slider; 5. Hydraulic cylinder. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] See also Figure 1-3The utility model provides a technical solution: a hydraulic cylinder adjustment device for a servo motor, comprising a base 1, on which a servo motor 3 and a hydraulic cylinder 5 are mounted, a protective mechanism 2 being fixedly connected to the top of the hydraulic cylinder 5, and an adjustment mechanism 4 being provided at the bottom of the base 1, which can prevent dust from entering the interior of the hydraulic cylinder 5 through the protective mechanism 2, thereby effectively improving the protection effect.
[0023] The protective mechanism 2 includes a fixed seat 201, which is fixedly installed at the end cover of the hydraulic cylinder 5, and the piston rod of the hydraulic cylinder 5 is connected to the fixed seat 201 through which the surface of the piston rod of the hydraulic cylinder 5 can be cleaned, which plays a good protective role. The fixed seat 201 is internally connected to a gear ring 202, and a scraper ring 203 is fixedly connected to the top of the gear ring 202. The scraper ring 203 can be used to scrape off dust to prevent dust from entering the interior. The top surface of the gear ring 202 is provided with two limiting grooves 204, and the top of the two limiting grooves 204 The fixed shaft 205 is provided with a fixed shaft 205, the bottom end of the fixed shaft 205 is rotatably connected to the limiting wheel 206, the top of the fixed shaft 205 is fixedly installed on the inner wall of the fixed seat 201, and the limiting wheel 206 is arranged inside the limiting groove 204, so that it can play a good limiting guiding role for the gear ring 202. A rotating gear 207 is provided on one side of the gear ring 202, and a moving rack 208 is provided on one side of the rotating gear 207. The rotating gear 207 is rotatably connected to the inner wall of the fixed seat 201, and the rotating gear 207 is meshed with the moving rack 208 and the gear ring 202, so that the moving The rack 208 can drive the rotating gear 207 to rotate, and the rotating gear 207 can drive the gear ring 202 to rotate. The end of the mobile rack 208 is fixedly connected to the reciprocating frame 209. The inner walls of both sides of the reciprocating frame 209 are provided with connecting tooth grooves 210. A fan-shaped gear 211 is provided inside the reciprocating frame 209. The end of the reciprocating frame 209 is slidably connected to the inner wall of the fixed base 201. The reciprocating frame 209 is meshed with the fan-shaped gear 211 through the connecting tooth grooves 210, so that the fan-shaped gear 211 can drive the reciprocating frame 209 to move back and forth through the connecting tooth grooves 210. The top of the sector gear 211 is fixedly connected to a driving shaft 212, and the end of the driving shaft 212 is fixedly connected to a driving motor 213. The driving motor 213 is fixedly installed on the fixed seat 201, and the output shaft of the driving motor 213 is fixedly connected to the driving shaft 212, so that the driving motor 213 can drive the driving shaft 212 to rotate, and the rotation of the driving shaft 212 drives the sector gear 211 to rotate, so that the sector gear 211 can engage with the two connecting tooth grooves 210 on both sides in turn, thereby driving the reciprocating frame 209 to move back and forth.
[0024] See also Figure 1 and Figure 4The adjusting mechanism 4 includes a fixed base plate 401, which is provided with a plurality of guide slots 402. The base 1 is slidably connected to the guide slots 402 through a slider 406. An adjusting screw 404 is rotatably connected inside the fixed base plate 401, and a rotating head 405 is fixedly connected to the end of the adjusting screw 404. The adjusting screw 404 is threadedly connected to the base 1. Both sides of the fixed base plate 401 are fixedly connected with mounting plates 403. The fixed base plate 401 can be fixed by the mounting plates 403. The rotating head 405 can be rotated to drive the adjusting screw 404 to rotate. The adjusting screw 404 drives the base 1 to move along the guide slots 402, which can facilitate the adjustment of the installation position and effectively improve the flexibility and convenience of installation.
[0025] During operation, the driving motor 213 drives the driving shaft 212 to rotate, and the rotation of the driving shaft 212 drives the sector gear 211 to rotate. The sector gear 211 rotates and engages with the connecting tooth grooves 210 on both sides in turn, thereby driving the reciprocating frame 209 to move back and forth. The movement of the reciprocating frame 209 drives the moving rack 208 to move, and the movement of the moving rack 208 drives the rotating gear 207 to rotate. The rotation of the rotating gear 207 drives the gear ring 202 to rotate, and the rotation of the gear ring 202 drives the scraper ring 203 to rotate, so that the scraper ring 203 continuously rotates back and forth in a small amplitude, scraping off the dust on the piston rod of the hydraulic cylinder 5, preventing dust from entering the interior of the hydraulic cylinder 5, and effectively improving the protection effect.
[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
Claims
1. A hydraulic cylinder adjustment device for a servo motor, comprising a base (1), characterized in that: A servo motor (3) and a hydraulic cylinder (5) are mounted on the base (1); a top end of the hydraulic cylinder (5) is fixedly connected to a protective mechanism (2); and an adjustment mechanism (4) is provided at the bottom of the base (1); The protection mechanism (2) comprises a fixed seat (201), a toothed ring (202) is rotatably connected inside the fixed seat (201), a scraper ring (203) is fixedly connected to the top of the toothed ring (202), two limiting grooves (204) are provided on the top surface of the toothed ring (202), a fixed shaft (205) is provided at the top of the two limiting grooves (204), the bottom end of the fixed shaft (205) is rotatably connected to a limiting wheel (206), and a rotating toothed wheel (206) is provided on one side of the toothed ring (202). A wheel (207) is provided on one side of the rotating gear (207), a movable rack (208) is provided on the end of the movable rack (208), a reciprocating frame (209) is fixedly connected to the end thereof, connecting tooth grooves (210) are provided on the inner walls of both sides of the reciprocating frame (209), a sector gear (211) is provided inside the reciprocating frame (209), a driving shaft (212) is fixedly connected to the top end of the sector gear (211), and a driving motor (213) is fixedly connected to the end of the driving shaft (212).
2. The hydraulic cylinder adjustment device for a servo motor according to claim 1, characterized in that: The fixing seat (201) is fixedly mounted on the end cover of the hydraulic cylinder (5), and the piston rod of the hydraulic cylinder (5) and the fixing seat (201) are interpenetratingly arranged.
3. The hydraulic cylinder adjustment device for a servo motor according to claim 1, characterized in that: The top end of the fixed shaft (205) is fixedly mounted on the inner wall of the fixed seat (201), and the limiting wheel (206) is arranged inside the limiting groove (204).
4. The hydraulic cylinder adjustment device for a servo motor according to claim 1, characterized in that: The rotating gear (207) is rotatably connected to the inner wall of the fixed seat (201), and the rotating gear (207) is meshed with the movable rack (208) and the gear ring (202).
5. The hydraulic cylinder adjustment device for a servo motor according to claim 1, characterized in that: The end of the reciprocating frame (209) is slidably connected to the inner wall of the fixed seat (201), and the reciprocating frame (209) is meshed with the sector gear (211) through the connecting tooth groove (210).
6. The hydraulic cylinder adjustment device for a servo motor according to claim 1, characterized in that: The driving motor (213) is fixedly mounted on the fixing seat (201), and the output shaft of the driving motor (213) is fixedly connected to the driving shaft (212).
7. The hydraulic cylinder adjustment device for a servo motor according to claim 1, characterized in that: The adjustment mechanism (4) comprises a fixed base plate (401), a plurality of guide slots (402) are provided on the fixed base plate (401), and the base (1) is slidably connected to the guide slots (402) via sliders (406).
8. The hydraulic cylinder adjustment device for a servo motor according to claim 7, characterized in that: An adjusting screw (404) is rotatably connected inside the fixed base plate (401), a rotating head (405) is fixedly connected to the end of the adjusting screw (404), the adjusting screw (404) is threadedly connected to the base (1), and mounting plates (403) are fixedly connected to both sides of the fixed base plate (401).
Citation Information
Patent Citations
Servo hydraulic cylinder
CN220646354U