Elastic damping hydraulic oil cylinder and rolling crusher

Abstract

The utility model provides an elastic vibration reduction hydraulic oil cylinder and a roll crusher, the elastic vibration reduction hydraulic oil cylinder comprises a cylinder barrel, a piston rod, a first end plate, a second end plate, a screw rod, a nut, a spring and a connecting rod, the piston rod is slidably arranged in the cylinder barrel in a penetrating manner, and the first end plate is fixed at the extension end of the piston rod; a plurality of sliding holes are formed in the peripheries of the first end plate and the second end plate so that screws can penetrate through the sliding holes in a sliding mode, each screw is sleeved with a spring, the two ends of each spring abut against the first end plate and the second end plate respectively, nuts are connected to the two ends of each screw in a screwed mode, shaft holes are formed in the center of the first end plate and the center of the second end plate, and the shaft holes are matched with the sliding holes. The extending end of the piston rod is provided with a center hole, and the connecting rod is fixed to the second end plate. The utility model can eliminate the influence of the vibration of the machine body on the hydraulic oil cylinder sealing element, improve the connection flexibility of the machine body and the hydraulic oil cylinder, and maintain the durability of the hydraulic oil cylinder sealing element, thereby improving the stability and service life of the hydraulic oil cylinder.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic oil cylinder technical field, concretely relates to a kind of elastic vibration reduction hydraulic oil cylinder and the roller press crusher of elastic vibration reduction hydraulic oil cylinder being installed. BACKGROUND

[0002] In hydraulic transmission system, hydraulic oil cylinder is as key power execution element, is widely used in various mechanical equipment. However, the existing hydraulic oil cylinder in operation process, especially in the working environment of high-frequency vibration, often cannot effectively shield and cut off the high-frequency vibration generated by body. For example, roller press crusher generates high-frequency vibration in working process, and this high-frequency vibration directly acting on hydraulic oil cylinder not only can influence the stability and life of hydraulic oil cylinder itself, but also can cause damage to mechanical components connected therewith, even affect the normal operation of entire mechanical system.

[0003] Specifically, the existing hydraulic oil cylinder in structural design, often only pay attention to its basic transmission function and carrying capacity, and ignore the shielding and cutting of high-frequency vibration. This leads to in high-frequency vibration working environment, the sealing element of hydraulic oil cylinder is easily damaged, and the risk of oil leakage increases, thereby affecting the transmission efficiency and stability of hydraulic oil cylinder. At the same time, high-frequency vibration can also accelerate the wear of internal parts of hydraulic oil cylinder, shorten its service life.

[0004] In addition, the existing hydraulic oil cylinder lacks effective buffering and damping measures when dealing with high-frequency vibration. This leads to the vibration energy cannot be effectively absorbed and dispersed, and further aggravates the damage of hydraulic oil cylinder and its connected components. Therefore, developing a kind of hydraulic oil cylinder capable of effectively shielding and cutting high-frequency vibration has important significance for improving the stability and life of hydraulic transmission system. UTILITY MODEL CONTENTS

[0005] In view of the above, the utility model provides a kind of elastic vibration reduction hydraulic oil cylinder and roller press crusher to eliminate the influence of body vibration on hydraulic oil cylinder sealing element, improve the joint flexibility of body and hydraulic oil cylinder, maintain the durability of hydraulic oil cylinder sealing element, thereby improve the stability and service life of hydraulic oil cylinder.

[0006] The technical scheme of the utility model:

[0007] This utility model provides an elastic vibration damping hydraulic cylinder, including a cylinder barrel, a piston rod, a first end plate, a second end plate, a screw, a nut, a spring, and a connecting rod. The piston rod is slidably inserted into the cylinder barrel. The first end plate is fixed to the extended end of the piston rod. The second end plate is arranged parallel to the outside of the first end plate. Multiple sliding holes are provided at the outer periphery of both the first and second end plates for the screw to be slidably inserted. A spring is sleeved on each screw, and the two ends of the spring abut against the first and second end plates respectively. Nuts are screwed to both ends of each screw to adjust the compression of the spring. A shaft hole is provided at the center of both the first and second end plates. A center hole is provided at the extended end of the piston rod corresponding to the shaft hole. The connecting rod passes through the shaft holes of the first and second end plates and the center hole of the piston rod. The connecting rod is fixed to the second end plate and slidably inserted through the shaft hole of the first end plate and the center hole of the piston rod.

[0008] Furthermore, a first sliding sleeve is fixed on the first end plate, and a second sliding sleeve is fixed on the second end plate. The first sliding sleeve and the second sliding sleeve are slidably fitted between the first end plate and the second end plate, and the connecting rod is slidably inserted through the first sliding sleeve and the second sliding sleeve.

[0009] Furthermore, the first end plate and the piston rod are fixedly connected by a retaining ring plate, which is engaged in a groove on the outer periphery of the piston rod and fixedly connected to the first end plate by bolts.

[0010] Furthermore, both the first end plate and the second end plate are circular plates.

[0011] Furthermore, multiple springs are evenly arranged in a ring array on the outer periphery of the first end plate and the second end plate.

[0012] Furthermore, a pull ring is fixed to one end of the connecting rod that extends out of the second end plate, and a first joint bearing is installed inside the pull ring.

[0013] Furthermore, a fixed seat is installed on the end of the cylinder away from the spring, and a second joint bearing is installed in the connecting hole of the fixed seat.

[0014] This utility model provides a roller crusher equipped with the aforementioned elastic vibration damping hydraulic cylinder.

[0015] Furthermore, it includes a frame, a fixed roller, a movable roller, and a hinge seat. The fixed roller is rotatably mounted on the frame, the movable roller is rotatably mounted on the hinge seat, the hinge seat is hinged to the frame, and an elastic damping hydraulic cylinder is hinged between the frame and the hinge seat.

[0016] Furthermore, one end of the cylinder of the elastic damping hydraulic cylinder is hinged to the frame, and one end of the connecting rod is hinged to the hinge seat.

[0017] The elastic damping hydraulic oil cylinder has remarkable beneficial effects compared with the prior art.

[0018] One, efficient damping performance: by setting multiple screw rods and springs between the first end plate and the second end plate, an effective elastic damping structure is formed. When the hydraulic oil cylinder is subjected to high-frequency vibration, the spring can absorb and disperse vibration energy, significantly reducing the influence of vibration on the hydraulic oil cylinder and its connected components, improving the stability and service life of the hydraulic oil cylinder.

[0019] Two, convenient adjustment: both ends of each screw rod are screwed with nuts, and the compression amount of the spring can be conveniently adjusted by adjusting the position of the nut, thereby realizing accurate control of the damping effect. This design enables the hydraulic oil cylinder to flexibly adjust the damping according to the requirements of different working environments and vibration frequencies.

[0020] Three, compact and stable structure: a plurality of sliding holes are arranged at the outer circumferential positions of the first end plate and the second end plate, for the screw rods to slideably pass through. This design not only makes the structure of the hydraulic oil cylinder more compact, but also improves the overall stability. At the same time, the connecting rod passes through the center holes of the first end plate, the second end plate and the piston rod, further enhancing the structural strength of the hydraulic oil cylinder.

[0021] Four, wide application range: the elastic damping hydraulic oil cylinder of the utility model has good damping effect, convenient adjustment and compact structure, and is suitable for various hydraulic transmission systems that need damping. Whether it is heavy machinery equipment or precision instruments, different damping requirements can be met by adjusting the damping structure.

[0022] In summary, the elastic damping hydraulic oil cylinder provided by the utility model has the advantages of efficient damping performance, convenient adjustment, compact and stable structure, and wide application range, providing strong protection for the stability and life of the hydraulic transmission system.

[0023] The elastic damping hydraulic oil cylinder is hinged between the rack and the hinge seat, with one end of the cylinder barrel hinged to the rack and one end of the connecting rod hinged to the hinge seat. This design enables the movable roller to absorb and disperse vibration energy when subjected to high-frequency vibration caused by material extrusion, significantly reducing the influence of vibration on the hydraulic oil cylinder and its connected components, improving the stability and service life of the hydraulic oil cylinder.

[0024] The preferred embodiment of the utility model and its beneficial effects will be further described in detail in conjunction with the specific implementation mode. BRIEF DESCRIPTION OF DRAWINGS

[0025] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the principles of the present application, but are not intended to limit the present application. In the drawings:

[0026] Figure 1 It is a structural schematic view of the elastic damping hydraulic oil cylinder of the present application;

[0027] Figure 2 It is a structural view of the first end plate of the elastic damping hydraulic oil cylinder of the present application;

[0028] Figure 3 It is a structural view of the first end plate of the elastic damping hydraulic oil cylinder of the present application;

[0029] Figure 4 It is a structural view of the first end plate of the elastic damping hydraulic oil cylinder of the present application;

[0030] Figure 5 It is a structural view of the second end plate of the elastic damping hydraulic oil cylinder of the present application;

[0031] Figure 6 It is a structural view of the second end plate of the elastic damping hydraulic oil cylinder of the present application;

[0032] Figure 7 It is a front view of the snap ring plate of the elastic damping hydraulic oil cylinder of the present application;

[0033] Figure 8 It is a sectional view of the snap ring plate of the elastic damping hydraulic oil cylinder of the present application;

[0034] Figure 9 It is a structural schematic view of the roll crusher installed with the elastic damping hydraulic oil cylinder.

[0035] BRIEF DESCRIPTION OF DRAWINGS: Cylinder barrel 1, piston rod 2, first end plate 3, second end plate 4, screw rod 5, nut 6, spring 7, connecting rod 8, sliding hole 30, shaft hole 40, center hole 20, first sliding sleeve 31, second sliding sleeve 41, snap ring plate 32, pull ring 81, first joint bearing 82, fixed seat 71, second joint bearing 72, rack 91, fixed roller 92, movable roller 93, hinged seat 94. DETAILED DESCRIPTION

[0036] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and should not be used to limit the present application.

[0037] Please refer to Figures 1 to 3The utility model provides a kind of elastic damping hydraulic cylinder, including cylinder 1, piston rod 2, first end plate 3, second end plate 4, screw rod 5, nut 6, spring 7 and connecting rod 8.Piston rod 2 is slidably worn in cylinder 1.First end plate 3 is fixed in the projecting end of piston rod 2.Second end plate 4 is arranged in the outside of first end plate 3 in parallel.A plurality of sliding holes 30 are arranged in the periphery position of first end plate 3 and second end plate 4 respectively to allow screw rod 5 to be slidably worn.Spring 7 is sleeved on each screw rod 5, and the two ends of spring 7 are respectively supported on first end plate 3 and second end plate 4.Nut 6 is screwed on the two ends of each screw rod 5 to adjust the compression amount of spring 7.Axle hole 40 is arranged in the center position of first end plate 3 and second end plate 4 respectively, and the projecting end of piston rod 2 is provided with center hole 20 corresponding to axle hole 40.Connecting rod 8 passes through axle hole 40 of first end plate 3 and second end plate 4 and center hole 20 of piston rod 2, and connecting rod 8 is fixed on second end plate 4.Connecting rod 8 is slidably worn in axle hole 40 of first end plate 3 and center hole 20 of piston rod 2.

[0038] The elastic damping hydraulic cylinder provided by the utility model has the following advantages compared with the prior art:

[0039] I. High-efficiency damping performance: by arranging multiple screw rods 5 and springs 7 between first end plate 3 and second end plate 4, an effective elastic damping structure is formed.When the hydraulic cylinder is subjected to high-frequency vibration, spring 7 can absorb and disperse vibration energy, significantly reducing the impact of vibration on the hydraulic cylinder and its connected components, and improving the stability and service life of the hydraulic cylinder.

[0040] II. Convenient adjustment: nut 6 is screwed on the two ends of each screw rod 5, and by adjusting the position of nut 6, the compression amount of spring 7 can be conveniently adjusted, thereby realizing accurate control of the damping effect.This design enables the hydraulic cylinder to flexibly adjust the damping according to the requirements of different working environments and vibration frequencies.

[0041] III. Compact and stable structure: multiple sliding holes 30 are arranged in the periphery position of first end plate 3 and second end plate 4 respectively to allow screw rod 5 to be slidably worn.This design not only makes the structure of the hydraulic cylinder more compact, but also improves its overall stability.Meanwhile, connecting rod 8 passes through first end plate 3, second end plate 4 and center hole 20 of piston rod 2, further enhancing the structural strength of the hydraulic cylinder.

[0042] IV. Wide range of applications: the elastic damping hydraulic cylinder of the utility model has good damping effect, convenient adjustment and compact structure, and is suitable for various hydraulic transmission systems that require damping.Whether it is heavy machinery or precision instruments, different damping requirements can be met by adjusting the damping structure.

[0043] In summary, the elastic damping hydraulic oil cylinder has the advantages of high damping performance, convenient adjustment, compact and stable structure, wide application range and the like, and provides a powerful guarantee for the stability and service life of the hydraulic transmission system.

[0044] Please refer to Figures 4 to 6 In the embodiment, the first end plate 3 is fixed with the first sliding sleeve 31, and the second end plate 4 is fixed with the second sliding sleeve 41. The first sliding sleeve 31 and the second sliding sleeve 41 are slidably sleeved between the first end plate 3 and the second end plate 4. The connecting rod 8 is slidably arranged between the first sliding sleeve 31 and the second sliding sleeve 41. This design not only enhances the stability of the structure, but also provides a basis for damping measures.

[0045] Please refer to Figure 7 and to Figure 8 In the embodiment, the first end plate 3 and the piston rod 2 are fixedly connected through the snap ring plate 32. The snap ring plate 32 is clamped in the groove on the outer periphery of the piston rod 2, and the snap ring plate 32 is fixedly connected with the first end plate 3 through bolts. This connection mode not only has compact and stable structure, but also effectively improves the overall structural strength. At the same time, the design of the snap ring plate 32 makes the assembly between the first end plate 3 and the piston rod 2 more convenient, and improves the assembly efficiency.

[0046] In the embodiment, the first end plate 3 and the second end plate 4 are both circular plates. The circular plate structure is simple, easy to install, and conducive to improving the convenience and accuracy of assembly.

[0047] In the embodiment, the plurality of springs 7 are arranged in a ring array at the outer periphery of the first end plate 3 and the second end plate 4. In this way, a uniform and stable buffer space can be provided.

[0048] Please refer to Figure 1 In the embodiment, one end of the connecting rod 8 protruding from the second end plate 4 is fixed with a pull ring 81, and the first joint bearing 82 is installed in the pull ring 81. The fixed connection of the pull ring 81 with the connecting rod 8 and the installation of the first joint bearing 82 in the pull ring 81 together enhance the connection stability between the oil cylinder and the external structure or equipment, so that the oil cylinder can maintain a stable connection state when bearing a large extrusion force or vibration, and is not easy to loosen or fall off. The introduction of the first joint bearing 82 enables the connection between the connecting rod 8 and the external structure or equipment to have a certain rotating flexibility, so as to better adapt to extrusion forces or vibrations in different directions and reduce wear or damage caused by uneven stress.

[0049] In the embodiment, a fixed seat 71 is installed on one end of the cylinder barrel 1 away from the spring 7, and a second joint bearing 72 is installed in the connecting hole of the fixed seat 71. In this way, the installation of the cylinder barrel 1 is facilitated.

[0050] Please refer toFigure 9 The utility model provides a kind of roll crusher, including rack 91, fixed roller 92, movable roller 93, hinged seat 94 and elastic damping hydraulic cylinder.Fixed roller 92 is rotatably installed in rack 91, movable roller 93 is rotatably installed in hinged seat 94, and hinged seat 94 is hinged in rack 91.Fixed roller 92 is extruded with movable roller 93 and crushes material.Elastic damping hydraulic cylinder is hinged between rack 91 and hinged seat 94.Elastic damping hydraulic cylinder's cylinder barrel 1 one end is hinged on rack 91, and elastic damping hydraulic cylinder's connecting rod 8 one end is hinged on hinged seat 94.

[0051] Elastic damping hydraulic cylinder is hinged between rack 91 and hinged seat 94, and its cylinder barrel 1 one end is hinged on rack 91, and connecting rod 8 one end is hinged on hinged seat 94.This design makes movable roller 93 when being extruded by material and generating high-frequency vibration, spring 7 can absorb and disperse vibration energy, significantly reduce the influence of vibration on hydraulic cylinder and its connected components, improve the stability and service life of hydraulic cylinder.

[0052] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicative or suggestive of importance;The words "bottom surface" and "top surface", "inner" and "outer" respectively refer to the direction towards or away from a particular component geometry.

[0053] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "communication", "connection" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected;It can be mechanically connected, or electrically connected;It can be directly communicated, or indirectly communicated through intermediate medium, it can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.In addition, in the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0054] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A spring-damper hydraulic cylinder, characterized in that The cylinder (1), the piston rod (2), the first end plate (3), the second end plate (4), the screw rod (5), the nut (6), the spring (7) and the connecting rod (8) are included, the piston rod (2) is slidably arranged in the cylinder (1), the first end plate (3) is fixed to the extending end of the piston rod (2), the second end plate (4) is arranged parallel to the outside of the first end plate (3), a plurality of sliding holes (30) are arranged at the outer circumferential position of the first end plate (3) and the second end plate (4) correspondingly, so as to slidably pass through the screw rod (5), the spring (7) is sleeved on each screw rod (5), the two ends of the spring (7) are respectively abutted on the first end plate (3) and the second end plate (4), the nut (6) is screwed on the two ends of each screw rod (5), so as to adjust the compression amount of the spring (7), the shaft hole (40) is arranged at the center position of the first end plate (3) and the second end plate (4) correspondingly, the center hole (20) is arranged at the extending end of the piston rod (2) correspondingly, the connecting rod (8) passes through the shaft hole (40) of the first end plate (3) and the second end plate (4) and the center hole (20) of the piston rod (2), the connecting rod (8) is fixed to the second end plate (4), the connecting rod (8) is slidably arranged in the shaft hole (40) of the first end plate (3) and the center hole (20) of the piston rod (2).

2. The elastomeric shock hydraulic ram of claim 1, wherein, The first sliding sleeve (31) is fixed on the first end plate (3), the second sliding sleeve (41) is fixed on the second end plate (4), the first sliding sleeve (31) and the second sliding sleeve (41) are slidably sleeved between the first end plate (3) and the second end plate (4), and the connecting rod (8) is slidably arranged in the first sliding sleeve (31) and the second sliding sleeve (41).

3. The elastomeric shock hydraulic ram of claim 1, wherein, The first end plate (3) and the piston rod (2) are fixedly connected through the snap ring flower plate (32), the snap ring flower plate (32) is clamped in the groove on the outer circumference of the piston rod (2), and the snap ring flower plate (32) is fixedly connected with the first end plate (3) through bolts.

4. The elastomeric shock hydraulic ram of claim 1, wherein, The first end plate (3) and the second end plate (4) are both circular plates.

5. The elastomeric shock hydraulic ram of claim 1, wherein, A plurality of springs (7) are arranged in a ring array at the outer circumferential position of the first end plate (3) and the second end plate (4).

6. The elastomeric shock hydraulic ram of claim 1, wherein, One end of the connecting rod (8) extending out of the second end plate (4) is fixed with a pull ring (81), and the first joint bearing (82) is installed in the pull ring (81).

7. The elastomeric shock hydraulic ram of claim 1, wherein, A fixed seat (71) is installed on one end of the cylinder (1) away from the spring (7), and the second joint bearing (72) is installed in the connecting hole of the fixed seat (71).

8. A roll sizer, characterized in that The elastic damping hydraulic oil cylinder is provided.

9. The roll crusher according to claim 8, characterized in that, The frame (91), the fixed roller (92), the movable roller (93) and the hinged seat (94) are included, the fixed roller (92) is rotatably installed on the frame (91), the movable roller (93) is rotatably installed on the hinged seat (94), the hinged seat (94) is hinged on the frame (91), and the elastic damping hydraulic oil cylinder is hinged between the frame (91) and the hinged seat (94).

10. The roll crusher according to claim 9, characterized in that, One end of the cylinder (1) of the elastic damping hydraulic oil cylinder is hinged on the frame (91), and one end of the connecting rod (8) is hinged on the hinged seat (94).

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