Hydraulic oil cylinder with protection function

Abstract

The utility model relates to the technical field of hydraulic oil cylinders, and provides a hydraulic oil cylinder with a protection function, which comprises a hydraulic oil cylinder body, two fixing rings, a protection plate, a sliding mechanism and a buffer mechanism, a plurality of protection plates are connected between the two fixing rings in a sliding mode, two sliding mechanisms are arranged on each protection plate and used for supporting the protection plates to slide between the two fixing rings, and a plurality of buffering mechanisms are arranged on each protection plate and used for conducting springback buffering on the impacted protection plates. The problems that in the prior art, after a hydraulic oil cylinder is impacted and damaged by hard objects, a cylinder body is prone to being broken, a cylinder cover is prone to collapsing to hurt people and damage objects in serious situations, and serious consequences are prone to being caused are solved.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic cylinder technology, specifically to a hydraulic cylinder with protective function. Background Technology

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or oscillating motion). It has a simple structure and reliable operation. When used to achieve reciprocating motion, it eliminates the need for a speed reduction device and has no transmission backlash, resulting in smooth movement. Therefore, it is widely used in the hydraulic systems of various machines.

[0003] When existing hydraulic cylinders are used, especially in complex environments, the cylinder body is easily damaged by impact from hard objects. The internal pressure of the hydraulic cylinder can easily cause the cylinder body to crack. In severe cases, the cylinder head can fly off, causing injury and damage to property, which can lead to very serious consequences. Utility Model Content

[0004] This utility model proposes a hydraulic cylinder with protective function, which solves the problem that in the prior art, when a hydraulic cylinder is damaged by a hard object, the cylinder body is easily broken, and in severe cases, the cylinder head can be blown off, causing injury and damage to property, which can easily lead to very serious consequences.

[0005] The technical solution of this utility model is as follows: A hydraulic cylinder with protective function includes a hydraulic cylinder body, and also includes: a fixed ring, a protective plate, a sliding mechanism and a buffer mechanism;

[0006] Two fixing rings are provided, and both fixing rings are fixedly connected to the upper and lower ends of the hydraulic cylinder body;

[0007] Multiple protective plates are slidably connected between the two fixed rings;

[0008] Each of the aforementioned protective plates is provided with two sliding mechanisms to support the protective plate sliding between two fixed rings;

[0009] Each of the aforementioned protective plates is equipped with multiple buffer mechanisms for rebounding and buffering the protective plates after an impact.

[0010] Preferably, the sliding mechanism includes: a slider and a spring;

[0011] The slider is fixedly connected to one end of the protective plate, and a groove is provided on the fixing ring, in which the slider is slidably connected.

[0012] The spring is disposed in the groove, and its two ends are fixedly connected to the inner wall of the groove and the slider, respectively.

[0013] Furthermore, the buffer mechanism includes: a swing arm, a pulley, and a rebound assembly;

[0014] The swing arm is rotatably connected to the inside of the protective plate;

[0015] The pulley is rotatably connected to one end of the swing rod, and the circumferential surface of the pulley is in contact with the circumferential surface of the hydraulic cylinder body.

[0016] The rebound assembly is mounted on the swing arm and is used to support and rebound the swing arm.

[0017] Furthermore, the rebound assembly includes: a fixed plate and a buffer spring;

[0018] The fixing plate is fixedly connected to the swing arm;

[0019] One end of the buffer spring is fixedly connected to the fixed plate, and the other end of the buffer spring is fixedly connected to the inside of the protective plate.

[0020] As a further embodiment of this application, a rotating seat is fixedly connected to the protective plate, and the other end of the swing rod is rotatably connected inside the rotating seat.

[0021] As a further embodiment of this application, one end of the swing rod is fixedly connected to the rotating frame, and the pulley is rotatably connected inside the rotating frame.

[0022] The working principle and beneficial effects of this utility model are as follows:

[0023] In this invention, through the cooperation of the fixed ring, the protective plate, the sliding mechanism and the buffer mechanism, when the protective plate is impacted, the impact force can be dissipated by the sliding mechanism and the buffer mechanism, thereby preventing hard objects from damaging the hydraulic cylinder body, preventing cylinder body rupture, cylinder head flying off and injuring people and damaging property, and improving the protection effect of the hydraulic cylinder body. Attached Figure Description

[0024] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0025] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0026] Figure 2 This is a structural schematic diagram of the present invention from another angle;

[0027] Figure 3 This is a schematic diagram of the buffer mechanism of this utility model;

[0028] Figure 4 This utility model Figure 1 A magnified structural diagram of point A in the middle.

[0029] In the diagram: 1. Hydraulic cylinder body; 2. Fixed ring; 3. Protective plate; 4. Slider; 5. Spring; 6. Swing rod; 7. Pulley; 8. Fixed plate; 9. Buffer spring; 10. Rotating seat; 11. Rotating frame. Detailed Implementation

[0030] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0031] like Figures 1-4 As shown, this embodiment proposes a hydraulic cylinder with protective function, including a hydraulic cylinder body 1, and further including: a fixed ring 2, a protective plate 3, a sliding mechanism and a buffer mechanism. There are two fixed rings 2, and both fixed rings 2 are fixedly connected to the upper and lower ends of the hydraulic cylinder body 1. Multiple protective plates 3 are slidably connected between the two fixed rings 2. Through the cooperation between the fixed rings 2, the protective plates 3, the sliding mechanism and the buffer mechanism, when the protective plate 3 is impacted, the impact force can be dissipated by the sliding mechanism and the buffer mechanism, thereby preventing hard objects from damaging the hydraulic cylinder body 1, preventing cylinder body rupture, cylinder head flying off and injuring people and damaging property, and improving the protective effect of the hydraulic cylinder body 1.

[0032] Each of the multiple protective plates 3 is provided with two sliding mechanisms to support the protective plate 3 to slide between two fixed rings 2. The sliding mechanism includes a slider 4 and a spring 5. The slider 4 is fixedly connected to one end of the protective plate 3. The fixed ring 2 is provided with a sliding groove. The slider 4 is slidably connected in the sliding groove. The spring 5 is set in the sliding groove. The two ends of the spring 5 are fixedly connected to the inner wall of the sliding groove and the slider 4, respectively.

[0033] When the protective plate 3 is impacted, it drives the slider 4 to move towards the protection line of the hydraulic cylinder body 1 in the groove, and the spring 5 supports the slider 4, thereby initially relieving the impact on the protective plate 3.

[0034] Multiple protective plates 3 are equipped with multiple buffer mechanisms for rebounding and buffering the protective plates 3 after impact. The buffer mechanism includes: a swing rod 6, a pulley 7 and a rebound assembly. One end of the swing rod 6 is fixedly connected to the rotating frame 11, and the pulley 7 is rotatably connected inside the rotating frame 11. A rotating seat 10 is fixedly connected to the protective plate 3. The other end of the swing rod 6 is rotatably connected inside the rotating seat 10. The swing rod 6 is rotatably connected to the inner side of the protective plate 3. The pulley 7 is rotatably connected to one end of the swing rod 6. The circumferential surface of the pulley 7 is in contact with the circumferential surface of the hydraulic cylinder body 1. The rebound assembly is set on the swing rod 6 for supporting and rebounding the swing rod 6. The rebound assembly includes: a fixed plate 8 and a buffer spring 9. The fixed plate 8 is fixedly connected to the swing rod 6. One end of the buffer spring 9 is fixedly connected to the fixed plate 8, and the other end of the buffer spring 9 is fixedly connected to the inner side of the protective plate 3.

[0035] When the protective plate 3 is moved by an impact, it rolls on the hydraulic cylinder body 1 through the pulley 7 rotating inside the rotating frame 11, causing the swing rod 6 to tilt. The buffer spring 9 between the fixed plate 8 and the protective plate 3 provides further support and buffering, thereby effectively preventing damage to the hydraulic cylinder body 1.

[0036] Working principle: When the hydraulic cylinder body 1 is impacted, the impacted protective plate 3 will move towards the hydraulic cylinder body 1. During the movement of the protective plate 3, the slider 4 slides in the groove opened on the fixed ring 2, and is supported by the spring 5 set in the groove, thereby initially absorbing the impact force received by the protective plate 3. During this process, the movement of the protective plate 3 causes the swing rod 6 to tilt, and at the same time, the pulley 7 in the rotating frame 11 rolls on the surface of the hydraulic cylinder body 1, and is further supported and buffered by the buffer spring 9 between the fixed plate 8 and the protective plate 3, thereby effectively preventing damage to the hydraulic cylinder body 1.

[0037] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A hydraulic cylinder with protective function, comprising a hydraulic cylinder body (1), characterized in that, Also includes: Fixed ring (2), two fixed rings (2) are provided, and the two fixed rings (2) are fixedly connected to the upper and lower ends of the hydraulic cylinder body (1); Protective plate (3), multiple protective plates (3) are slidably connected between the two fixed rings (2); The sliding mechanism is provided on each of the multiple protective plates (3) to support the protective plate (3) to slide between the two fixed rings (2); The buffer mechanism is provided on each of the multiple protective plates (3) for rebounding and buffering the protective plates (3) that are impacted.

2. A hydraulic cylinder with protective function according to claim 1, characterized in that, The sliding mechanism includes: The slider (4) is fixedly connected to one end of the protective plate (3), and a groove is provided on the fixing ring (2), and the slider (4) is slidably connected in the groove; A spring (5) is provided in the groove, and the two ends of the spring (5) are fixedly connected to the inner wall of the groove and the slider (4) respectively.

3. A hydraulic cylinder with protective function according to claim 2, characterized in that, The buffer mechanism includes: A swing rod (6) is rotatably connected to the inner side of the protective plate (3); A pulley (7) is rotatably connected to one end of the swing rod (6), and the circumferential surface of the pulley (7) is in contact with the circumferential surface of the hydraulic cylinder body (1). A rebound assembly is disposed on the swing rod (6) for supporting and rebounding the swing rod (6).

4. A hydraulic cylinder with protective function according to claim 3, characterized in that, The rebound assembly includes: A fixing plate (8) is fixedly connected to the swing rod (6); A buffer spring (9) is fixedly connected at one end to the fixed plate (8) and at the other end to the inner side of the protective plate (3).

5. A hydraulic cylinder with protective function according to claim 4, characterized in that, A rotating seat (10) is fixedly connected to the protective plate (3), and the other end of the swing rod (6) is rotatably connected inside the rotating seat (10).

6. A hydraulic cylinder with protective function according to claim 5, characterized in that, One end of the swing rod (6) is fixedly connected to the rotating frame (11), and the pulley (7) is rotatably connected inside the rotating frame (11).

Images