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CN-121993454-A - Cylinder body and oil cylinder

CN121993454ACN 121993454 ACN121993454 ACN 121993454ACN-121993454-A

Abstract

The invention relates to the technical field of oil cylinders, in particular to an oil cylinder body and an oil cylinder. The hydraulic oil cylinder comprises an oil cylinder body, a piston rod movably arranged in the oil cylinder body, a support frame fixedly arranged at the upper end of the oil cylinder body through a rod piece, a driving motor fixedly arranged on the support frame, a rotating disc movably arranged at the upper end of the support frame, a connecting frame arranged above the rotating disc, a rotating cleaning mechanism arranged in the rotating disc and used for annularly cleaning retraction of the piston rod, and an abutting supporting mechanism arranged on the connecting frame and used for supporting the piston rod in a pulling mode. The rotary cleaning mechanism and the abutting supporting mechanism are connected through the rotary disc and the connecting frame to realize cooperative matching, so that 'push-out supporting and retraction cleaning' closed-loop protection is formed, and normal reciprocating motion of the piston rod is not interfered in the whole process.

Inventors

  • HAN QINGMING
  • SHEN BIN
  • SHEN DA

Assignees

  • 无锡市一源液压机械有限公司

Dates

Publication Date
20260508
Application Date
20260410

Claims (9)

  1. 1. The oil cylinder body comprises a cylinder body (1) and is characterized in that a piston rod (2) is movably arranged in the cylinder body (1), a support frame (3) is fixedly arranged at the upper end of the cylinder body (1) through a rod piece, a driving motor (4) is fixedly arranged on the support frame (3), a rotating disc (5) is movably arranged at the upper end of the support frame (3), and a connecting frame (6) is arranged above the rotating disc (5); the rotating cleaning mechanism is arranged in the rotating disc (5) and is used for annularly cleaning the retraction of the piston rod (2); The abutting supporting mechanism is arranged on the connecting frame (6) and is used for supporting the pulling-out of the piston rod (2); The abutting support mechanism comprises a movable frame (16), the movable frame (16) is slidably mounted on the connecting frame (6), a support plate (17) is rotatably mounted on the movable frame (16) through a torsion spring, and the support plate (17) is symmetrically abutted to two ends of the piston rod (2) through sliding wheels.
  2. 2. The cylinder body of claim 1, wherein the rotary cleaning mechanism comprises a rotary gear (7), the rotary gear (7) is arranged at the lower output end of the driving motor (4), the rotary gear (7) is arranged below the supporting frame (3), the rotary gear (8) is rotatably arranged at the lower end of the supporting frame (3), the rotary gear (8) is meshed with the rotary gear (7), and the rotary gear (8) is fixedly connected with the rotary disc (5) through a rod piece.
  3. 3. The cylinder body of claim 2, wherein the inside of the rotating disc (5) is provided with movable blocks (9) at equal angles, the movable blocks (9) are arranged in grooves formed in the inner side of the rotating disc (5) in a limiting sliding mode, the front ends of the movable blocks (9) are arc-shaped, cleaning cotton is fixedly arranged, and trapezoid pressurizing blocks (10) are arranged on the rear sides of the movable blocks (9).
  4. 4. The cylinder body of claim 3, wherein the rotary cleaning mechanism further comprises an abutting block (11), the abutting block (11) is arranged below the pressurizing block (10), the pressurizing block (10) is in a trapezoid shape in front view, the inclined surface of the pressurizing block (10) is in contact with the abutting block (11), and the pressurizing block (10) is arranged in the movable block (9) in a limiting sliding mode through a spring.
  5. 5. The cylinder body of claim 4, wherein the inner wall of the groove formed in the rotating disc (5) is provided with an inclined sliding groove (12), the abutting block (11) is installed in the sliding groove (12) in a limiting sliding mode, and the inclination of the sliding groove (12) is larger than that of the inclined plane of the pressurizing block (10).
  6. 6. The cylinder body of claim 5, wherein the rotating disc (5) is connected with an electric push rod (13), the output end of the electric push rod (13) is connected with the connecting frame (6), an ejection block (14) is elastically and slidably arranged on the rotating disc (5), the lower end of the ejection block (14) is abutted to a bump (15), the bump (15) is fixedly arranged above the front end of the movable block (9), and the bump (15) is triangular in side view.
  7. 7. The cylinder block according to claim 6, wherein the abutting support mechanism further comprises a friction block (18), the friction block (18) is rotatably mounted in the connecting frame (6), and the friction block (18) is in contact with the piston rod (2).
  8. 8. The cylinder body of claim 7, wherein the two ends of the friction block (18) are provided with threaded rods (19) through electromagnetic adsorption, the threaded rods (19) are connected with sliding blocks (20) in a threaded manner, and the sliding blocks (20) are fixedly connected with the movable frame (16).
  9. 9. An oil cylinder, which is characterized by being applicable to the oil cylinder body of any one of claims 1-8.

Description

Cylinder body and oil cylinder Technical Field The invention relates to the technical field of oil cylinders, in particular to an oil cylinder body and an oil cylinder. Background The hydraulic cylinder is used as a linear reciprocating motion executing element for converting hydraulic energy into mechanical energy, is widely applied to a plurality of fields of engineering machinery, automation equipment, metallurgical mines and the like, and is characterized in that the core of the hydraulic cylinder consists of an oil cylinder body, a piston rod and matched sealing and supporting components, the telescopic motion of the piston rod directly determines the working efficiency of the cylinder, and the cleanliness and the supporting stability of the piston rod are keys for guaranteeing the long-term reliable operation of the cylinder. In the actual use process of the oil cylinder, the piston rod is required to frequently extend out of the oil cylinder body to be matched with an external actuating mechanism, dust, sand, mud, oil stain and other impurities in the environment are extremely easy to adhere to the surface of the exposed piston rod, when the piston rod is retracted into the oil cylinder body, if the impurities are not cleaned effectively, the impurities enter the cylinder body along with the piston rod, and a series of faults are caused. The piston rod cleaning structure of the existing oil cylinder is mainly provided with a fixed scraping ring or a dust ring, simple passive scraping cleaning can be realized, a non-active rotating cleaning function is realized, the cleaning pressure cannot be adaptively adjusted according to the retraction action of the piston rod, the problem that the surface of the piston rod is damaged by cleaning is easy to occur, meanwhile, when the piston rod is pulled out (stretched out) of the oil cylinder body to work, particularly under the working condition of long stroke and heavy load, the piston rod is in a long cantilever stress state, radial deflection is easily generated due to dead weight sagging, installation coaxiality deviation or external lateral force, if an effective abutting supporting mechanism is not needed, the deflection can lead to single-side eccentric wear of the piston rod, an end sealing piece of the oil cylinder body and a guide sleeve, the service life of a supporting guide part is reduced, the movement precision of the piston rod is also influenced, the piston rod is triggered to bend and the oil cylinder is blocked in serious conditions, and even the oil cylinder body is cracked. Aiming at the problems, innovative design is urgently needed on the basis of the original design. Disclosure of Invention The invention aims to provide an oil cylinder body so as to solve the problems of the background technology, and the technical scheme of the invention aims to solve the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art. The oil cylinder body comprises an oil cylinder body, a piston rod is movably arranged in the oil cylinder body, a support frame is fixedly arranged at the upper end of the oil cylinder body through a rod piece, a driving motor is fixedly arranged on the support frame, a rotating disc is movably arranged at the upper end of the support frame, and a connecting frame is arranged above the rotating disc; The rotary cleaning mechanism is arranged in the rotary disc and is used for annularly cleaning the retraction of the piston rod; the abutting supporting mechanism is arranged on the connecting frame and is used for supporting the pulling-out of the piston rod; The butt supporting mechanism comprises a movable frame, the movable frame is slidably mounted on the connecting frame, a supporting plate is rotatably mounted on the movable frame through a torsion spring, and the supporting plate is symmetrically abutted to two ends of the piston rod through sliding wheels. Preferably, the rotary cleaning mechanism comprises a rotary gear, the rotary gear is arranged at the lower side output end of the driving motor, the rotary gear is arranged below the supporting frame, the rotary gear is rotatably arranged at the lower end of the supporting frame, the rotary gear is meshed with the rotary gear, and the rotary gear is fixedly connected with the rotary disc through a rod piece. Preferably, the inside equiangle of rolling disc is provided with the movable block, the spacing slidable mounting of movable block is in the recess of rolling disc inboard seting up, the front end of movable block is the arc, and fixed mounting has clean cotton, the rear side of movable block is provided with trapezoidal pressurization piece. Preferably, the rotary cleaning mechanism further comprises an abutting block, the abutting block is arranged below the pressurizing block, the pressurizing block is in a trapezoid shape in front view, the inclined surface of the pressurizing block is in conta