Stroke buffering structure and method of hydraulic cylinder

Abstract

The invention discloses a stroke buffer structure of a hydraulic cylinder and a method thereof, which are applied to the technical field of hydraulic cylinders, a dispersion mechanism body assembly can be matched with a driving assembly to support an object needing to be supported, and the driving assembly can be matched with an adjusting assembly to carry out adaptive adjustment along with the surface of the object needing to be supported; the auxiliary assembly can conduct auxiliary supporting on an object needing to be supported, the supporting force needed by the active assembly during supporting is dispersed, the stability during supporting is improved, the adaptive assembly can be matched with the auxiliary assembly, adaptive adjustment is conducted according to the surface of the object needing to be supported, and the supporting effect is improved. Therefore, the stability during dispersed supporting is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of hydraulic cylinders, and in particular relates to a stroke buffer structure of a hydraulic cylinder and a method thereof. Background Art

[0002] As we all know, hydraulic cylinders are widely used in the modern industrial field. However, when traditional hydraulic cylinders reach the end of their stroke, they often generate huge impact force due to the high-speed impact of the piston, which not only causes excessive noise and equipment vibration, but also may shorten the service life of the hydraulic cylinder and related components and increase maintenance costs. For example, in the operation of large robotic arms, strong impacts may cause accuracy deviations; on automated production lines, frequent impacts will affect the stability of the entire system. In order to solve these problems, it is particularly important to innovate and improve the stroke buffer structure and method of the hydraulic cylinder.

[0003] At present, a Chinese invention with publication number CN116538170B discloses a hydraulic cylinder with adjustable oil cylinder stroke, including a hydraulic cylinder sleeve, which is a hollow cylindrical structure made of steel structure as a whole, and an oil filling pipe is fixedly installed on the outer surface of the hydraulic cylinder sleeve; a push rod is concentrically installed inside the hydraulic cylinder sleeve; a limit plate is installed at the front end of the hydraulic cylinder sleeve; a delivery pipeline, the front and rear ends of which are respectively connected to the front and rear ends of the hydraulic cylinder sleeve; a filtering device is installed at the rear end of the hydraulic cylinder sleeve. The hydraulic cylinder with adjustable oil cylinder stroke adopts a new structural design, so that during use, the device uses a small oil pump and a delivery pipeline to deliver part of the hydraulic oil to the adjusting hydraulic rod, thereby adjusting the position of the limit plate and achieving the purpose of adjusting the push rod stroke, and uses a buffer plate and a buffer airbag to achieve the purpose of buffering, thereby providing certain protection for the device, and at the same time, the hydraulic oil is filtered by the filtering device during circulation, thereby reducing impurities and extending its service life.

[0004] The existing stroke buffer structure and method of the hydraulic cylinder have the following disadvantages when used:

[0005] 1. Due to the lack of a force dispersion buffer structure for the hydraulic cylinder, the force of the hydraulic cylinder cannot be dispersed and buffered, thereby reducing the stability of the hydraulic cylinder during use;

[0006] 2. Due to the lack of an emergency buffer structure for the hydraulic cylinder stroke when the hydraulic cylinder fails, emergency buffering cannot be performed when the hydraulic cylinder fails, which reduces the safety of the hydraulic cylinder when in use. Summary of the invention

[0007] The purpose of the present invention is to provide a stroke buffer structure and method for an existing hydraulic cylinder, and the advantages are:

[0008] 1. Due to the force dispersion and buffering structure of the hydraulic cylinder, the force of the hydraulic cylinder can be dispersed and buffered, thereby improving the stability of the hydraulic cylinder during use;

[0009] 2. Since the hydraulic cylinder has an emergency buffer structure for the hydraulic cylinder stroke when the hydraulic cylinder fails, emergency buffering can be performed when the hydraulic cylinder fails, thereby improving the safety of the hydraulic cylinder when in use.

[0010] The above technical objectives of the present invention are achieved through the following technical solutions: a stroke buffer structure of a hydraulic cylinder, comprising a dispersion mechanism and a buffer mechanism, the buffer mechanism is bolted to the surface of the dispersion mechanism, the dispersion mechanism comprises a main body component, an active component, an adjustment component, an auxiliary component and an adaptation component, the active component is slidably connected to the inner side of the main body component, the adjustment component is movably connected to the top of the active component, the auxiliary component is slidably connected to the side of the inner side of the main body component away from the active component, the adaptation component is rotatably connected to the top of the auxiliary component, the buffer mechanism comprises a collecting component, a transmission component and a supporting component, the collecting component is bolted to the surface of the main body component, the transmission component is connected to the surface of the collecting component, the support component is bolted to the top of the transmission component, and the inner side of the support component is slidably connected to the surface of the active component and the surface of the auxiliary component respectively.

[0011] By adopting the above technical solution, a dispersion mechanism and a buffer mechanism are set up. The dispersion mechanism can disperse the reaction force generated during the hydraulic stroke into multiple support points, thereby further increasing the stability during the hydraulic stroke. The buffer mechanism can provide emergency support for the continuously generated pressure when the dispersion mechanism fails, and gradually reset the dispersion mechanism.

[0012] The present invention is further configured as follows: the main body assembly includes a hydraulic cylinder body, a main rod hole and a secondary rod hole, the main rod hole is opened at the top of the hydraulic cylinder body, and the secondary rod hole is opened at one side of the top of the hydraulic cylinder body away from the main rod hole.

[0013] By adopting the above technical solution, through setting up the main body component, the hydraulic cylinder body is an existing hydraulic cylinder structure, and an external liquid supply device can be connected to provide thrust for the movement of the active component and the auxiliary component. The main rod hole can limit the movement of the active component, and the secondary rod hole can limit the movement of the auxiliary component.

[0014] The present invention is further configured as follows: the active component includes a main hydraulic rod, a movable ball and a return spring, the main hydraulic rod is slidably connected to the inner side of the hydraulic cylinder body, the surface of the main hydraulic rod is slidably connected to the inner side of the main rod hole, the movable ball is bolted to the top of the main hydraulic rod, and the return spring is bolted to the top of the movable ball.

[0015] By adopting the above technical solution and setting an active component, the main hydraulic rod can cooperate with the movable ball to limit the adjustment component, and the reset spring can cooperate with the movable ball to reset the movement of the adjustment component.

[0016] The present invention is further configured as follows: the adjustment component includes a limit sleeve, a ball groove and a movable plate, the limit sleeve is movably connected to the surface of the movable ball, the ball groove is opened at the bottom of the limit sleeve, the top of the inner side of the ball groove is bolted to the return spring, the inner side of the ball groove is slidably connected to the surface of the movable ball, and the movable plate is bolted to the top of the limit sleeve.

[0017] By adopting the above technical solution and setting an adjustment component, the limit sleeve can cooperate with the ball groove and move along the movable ball to adapt to the shape of the object to be supported, and the movable plate can contact and support the object to be supported.

[0018] The present invention is further configured as follows: the auxiliary component includes a secondary hydraulic rod, a transmission spring and a push ring, the secondary hydraulic rod is slidably connected to the inner side of the secondary rod hole, the push ring is bolted to the bottom of the secondary hydraulic rod, the surface of the push ring is slidably connected to the inner side of the hydraulic cylinder body, the inner side of the push ring is bolted to the bottom of the main hydraulic rod surface, the transmission spring is bolted to the top of the push ring, and the top of the transmission spring is bolted to the top of the inner side of the hydraulic cylinder body.

[0019] By adopting the above technical solution and setting up an auxiliary component, the auxiliary hydraulic rod can drive the adaptive component to move along the auxiliary rod hole, and the transmission spring can cooperate with the push ring and move with the movement of the main hydraulic rod, thereby driving the adaptive component to support the object to be supported, and the transmission spring can shrink between the push ring and the hydraulic cylinder body and store the elastic force. When the hydraulic cylinder body fails, the main hydraulic rod and the push ring can be pushed to push the liquid to move into the collection component.

[0020] The present invention is further configured as follows: the adaptation component includes an adaptation plate, a reset torsion spring and a contact plate, the adaptation plate is rotatably connected to the top of the auxiliary hydraulic rod, the reset torsion spring is bolted to the top of the surface of the auxiliary hydraulic rod, the side of the reset torsion spring away from the auxiliary hydraulic rod is bolted to the adaptation plate, and the contact plate is bolted to the top of the adaptation plate.

[0021] By adopting the above technical solution, through setting up an adaptation component, the adaptation plate can cooperate with the reset torsion spring, and change its own position and angle as the auxiliary hydraulic rod pushes and contacts the surface of the required supporting object, thereby adapting to the shape of the required supporting object, and the contact plate can contact the surface of the required supporting object.

[0022] The present invention is further configured as follows: the collecting assembly includes a collecting cylinder, a guide groove and a drain port, the collecting cylinder is bolted to the surface of the hydraulic cylinder body, the guide groove is opened on the inner side of the collecting cylinder, and the drain port is opened at the bottom of the collecting cylinder surface.

[0023] By adopting the above technical solution, by setting up a collection component, the collection cylinder can collect the liquid generated by the explosion of the hydraulic cylinder body due to a failure, and can cooperate with the guide groove to transport the liquid to the drain port through the guide groove, and then the drain port can transport the liquid to the transmission component.

[0024] The present invention is further configured as follows: the transmission assembly includes a transmission hydraulic rod, a shunt pipe and a drain pipe, the transmission hydraulic rod is bolted to the surface of the collecting cylinder, the bottom of the inner side of the transmission hydraulic rod is connected to the drain port, the shunt pipe is connected to the bottom of the surface of the transmission hydraulic rod, the drain pipe is connected to the top of the surface of the shunt pipe, and the bottom of the drain pipe is connected to the shunt pipe.

[0025] By adopting the above technical solution, a transmission assembly is set up, and the transmission hydraulic rod can cooperate with the drainage pipe. When liquid enters the transmission hydraulic rod, the transmission hydraulic rod can lift the support assembly as the liquid is input, and when the transmission hydraulic rod is lifted to the top, the excess liquid can be transported to the drainage pipe through the diversion pipe, thereby transporting liquid to each transmission hydraulic rod, which can achieve the effect of gradually lifting the support assembly.

[0026] The present invention is further configured as follows: the support assembly includes a support frame, a contact frame and a sliding ring, the support frame is bolted to the output end of the top of the transmission hydraulic rod, the contact frame is bolted to the top of the support frame, the sliding ring is bolted to the inner side of the contact frame, the inner side of the sliding ring is slidably connected to the surface of the main hydraulic rod, and the inner side of the contact frame is slidably connected to the surface of the auxiliary hydraulic rod.

[0027] By adopting the above technical solution and setting up a support assembly, the support frame can temporarily support the required supported object as the transmission hydraulic rod is lifted, and the contact frame can cooperate with the sliding ring to limit the movement of the support frame, thereby further increasing the stability when supporting the required supported object.

[0028] A method for using a stroke buffer structure of a hydraulic cylinder comprises the following steps:

[0029] S1. Force dispersion and stroke buffering: First, the dispersion mechanism is powered on and started, and then the hydraulic cylinder body is connected to the liquid supply device. Then the main hydraulic rod, the auxiliary hydraulic rod and the push ring will gradually rise with the added liquid to start the stroke. After the movable plate and the contact plate are respectively in contact with the object to be supported, the adaption plate will rotate along the auxiliary hydraulic rod along the reset torsion spring to adapt to the shape of the object to be supported, and the movable plate will move along the reset spring on the movable ball along the ball groove to adapt to the shape of the object to be supported. The main hydraulic rod and the auxiliary hydraulic rod will respectively support the object to be supported;

[0030] S2. Emergency buffering treatment for damage: First, when the dispersion mechanism fails and ruptures accidentally, the liquid in the dispersion mechanism will flow into the collecting tube, and then flow along the guide groove to the drain port, and then the liquid will flow into the transmission hydraulic rod. When the liquid flows in, the transmission hydraulic rod will gradually rise upward with the liquid, and then the excess liquid will flow from the drain pipe into the diversion pipe, and provide liquid to other transmission hydraulic rods, and then the support frame will be lifted, and the support frame will drive the contact frame and the sliding ring to rise along the dispersion mechanism until they come into contact with the supported object and temporarily support the supported object.

[0031] In summary, the present invention has the following beneficial effects:

[0032] 1. By setting up a dispersion mechanism, the main body component can cooperate with the active component to support the object to be supported. The active component can cooperate with the adjustment component to adaptively adjust with the surface of the object to be supported, thereby increasing the stability during support. The auxiliary component can assist in supporting the object to be supported and disperse the supporting force required by the active component during support, thereby increasing the stability during support. The adaptive component can cooperate with the auxiliary component to adaptively adjust with the surface of the object to be supported, thereby increasing the stability during dispersed support.

[0033] 2. By setting up a buffer mechanism, the collecting component can collect the liquid generated when the dispersion mechanism fails and ruptures, and transport the collected liquid to the transmission component. The transmission component can cooperate with the supporting component. When the transmission component is filled with liquid transported by the collecting component, the supporting component can be lifted, so that the supporting component can provide emergency support for the required support object. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0035] Figure 2 It is a schematic diagram of the structure of the dispersion mechanism of the present invention;

[0036] Figure 3 It is a schematic diagram of the structure of the main body component of the present invention;

[0037] Figure 4 is a schematic diagram of the active component structure of the present invention;

[0038] Figure 5 is a schematic diagram of the structure of the adjustment component of the present invention;

[0039] Figure 6 is a schematic diagram of the auxiliary component structure of the present invention;

[0040] Figure 7 is a schematic diagram of the adaptable component structure of the present invention;

[0041] Figure 8 It is a schematic diagram of the structure of the buffer mechanism of the present invention;

[0042] Fig. 9 It is a schematic diagram of the structure of the collection component of the present invention;

[0043] Fig.10 It is a schematic diagram of the transmission assembly structure of the present invention;

[0044] Fig.11 It is a schematic diagram of the support assembly structure of the present invention;

[0045] Fig.12 It is a schematic diagram of the buffering method of the present invention.

[0046] Reference numerals: 1, dispersion mechanism; 101, main body assembly; 1011, hydraulic cylinder body; 1012, main rod hole; 1013, auxiliary rod hole; 102, active assembly; 1021, main hydraulic rod; 1022, movable ball; 1023, return spring; 103, adjustment assembly; 1031, limit sleeve; 1032, ball groove; 1033, movable plate; 104, auxiliary assembly; 1041, auxiliary hydraulic rod; 1042, transmission spring; 1043, Push ring; 105, adaptation assembly; 1051, adaptation plate; 1052, reset torsion spring; 1053, contact plate; 2, buffer mechanism; 201, collection assembly; 2011, collection cylinder; 2012, guide groove; 2013, drain port; 202, transmission assembly; 2021, transmission hydraulic rod; 2022, shunt pipe; 2023, drain pipe; 203, support assembly; 2031, support frame; 2032, contact frame; 2033, sliding ring. DETAILED DESCRIPTION

[0047] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0048] Embodiment 1:

[0049] refer to Figure 1-7A stroke buffer structure of a hydraulic cylinder includes a dispersion mechanism 1, which includes a main body component 101, an active component 102, an adjustment component 103, an auxiliary component 104 and an adaptation component 105. The active component 102 is slidably connected to the inner side of the main body component 101, the adjustment component 103 is movably connected to the top of the active component 102, the auxiliary component 104 is slidably connected to the inner side of the main body component 101 away from the active component 102, and the adaptation component 105 is rotatably connected to the top of the auxiliary component 104. By setting the dispersion mechanism 1, the main body component 101 can cooperate with the active component 102 to support the object to be supported, the active component 102 can cooperate with the adjustment component 103 to adaptively adjust with the surface of the object to be supported, thereby increasing the stability during support, the auxiliary component 104 can assist in supporting the object to be supported, and disperse the supporting force required by the active component 102 when supporting, thereby increasing the stability during support, the adaptation component 105 can cooperate with the auxiliary component 104 to adaptively adjust with the surface of the object to be supported, thereby increasing the stability during dispersed support,

[0050] like Figure 3 As shown, the main body component 101 includes a hydraulic cylinder body 1011, a main rod hole 1012 and a secondary rod hole 1013. The main rod hole 1012 is opened at the top of the hydraulic cylinder body 1011, and the secondary rod hole 1013 is opened on the side of the top of the hydraulic cylinder body 1011 away from the main rod hole 1012. By setting the main body component 101, the hydraulic cylinder body 1011 is an existing hydraulic cylinder structure, and an external fluid supply device can be connected to provide thrust for the movement of the active component 102 and the auxiliary component 104. The main rod hole 1012 can limit the movement of the active component 102, and the secondary rod hole 1013 can limit the movement of the auxiliary component 104.

[0051] like Figure 4 As shown, the active component 102 includes a main hydraulic rod 1021, a movable ball 1022 and a reset spring 1023. The main hydraulic rod 1021 is slidably connected to the inner side of the hydraulic cylinder body 1011. The surface of the main hydraulic rod 1021 is slidably connected to the inner side of the main rod hole 1012. The movable ball 1022 is bolted to the top of the main hydraulic rod 1021. The reset spring 1023 is bolted to the top of the movable ball 1022. By setting the active component 102, the main hydraulic rod 1021 can cooperate with the movable ball 1022 to limit the adjustment component 103. The reset spring 1023 can cooperate with the movable ball 1022 to reset the movement of the adjustment component 103.

[0052] like Figure 5As shown, the adjustment component 103 includes a limiting sleeve 1031, a ball groove 1032 and a movable plate 1033. The limiting sleeve 1031 is movably connected to the surface of the movable ball 1022. The ball groove 1032 is opened at the bottom of the limiting sleeve 1031. The top of the inner side of the ball groove 1032 is bolted to the return spring 1023. The inner side of the ball groove 1032 is slidably connected to the surface of the movable ball 1022. The movable plate 1033 is bolted to the top of the limiting sleeve 1031. By setting the adjustment component 103, the limiting sleeve 1031 can cooperate with the ball groove 1032 and move along the movable ball 1022 to adapt to the shape of the object to be supported. The movable plate 1033 can contact and support the object to be supported.

[0053] like Figure 6 As shown, the auxiliary component 104 includes a secondary hydraulic rod 1041, a transmission spring 1042 and a push ring 1043. The secondary hydraulic rod 1041 is slidably connected to the inner side of the secondary rod hole 1013, the push ring 1043 is bolted to the bottom of the secondary hydraulic rod 1041, the surface of the push ring 1043 is slidably connected to the inner side of the hydraulic cylinder body 1011, the inner side of the push ring 1043 is bolted to the bottom of the surface of the main hydraulic rod 1021, the transmission spring 1042 is bolted to the top of the push ring 1043, and the top of the transmission spring 1042 is bolted to the top of the inner side of the hydraulic cylinder body 1011. By setting the auxiliary component 104, The auxiliary hydraulic rod 1041 can drive the adapting assembly 105 to move along the auxiliary rod hole 1013, and the transmission spring 1042 can cooperate with the pushing ring 1043 to move along with the movement of the main hydraulic rod 1021, so as to drive the adapting assembly 105 to support the object to be supported, and the transmission spring 1042 can be contracted between the pushing ring 1043 and the hydraulic cylinder body 1011 and store the elastic force. When the hydraulic cylinder body 1011 fails, the main hydraulic rod 1021 and the pushing ring 1043 can be pushed to push the liquid to move into the collecting assembly 201.

[0054] like Figure 7 As shown, the adaptation component 105 includes an adaptation plate 1051, a reset torsion spring 1052 and a contact plate 1053. The adaptation plate 1051 is rotatably connected to the top of the auxiliary hydraulic rod 1041, the reset torsion spring 1052 is bolted to the top of the surface of the auxiliary hydraulic rod 1041, the side of the reset torsion spring 1052 away from the auxiliary hydraulic rod 1041 is bolted to the adaptation plate 1051, and the contact plate 1053 is bolted to the top of the adaptation plate 1051. By setting the adaptation component 105, the adaptation plate 1051 can cooperate with the reset torsion spring 1052, and change its own position and angle as the auxiliary hydraulic rod 1041 pushes and contacts the surface of the required support object, thereby adapting to the shape of the required support object, and the contact plate 1053 can contact the surface of the required support object.

[0055] Brief description of the use process: First, energize and start the dispersion mechanism 1, then connect the hydraulic cylinder body 1011 to the external liquid supply device, then the main hydraulic rod 1021, the auxiliary hydraulic rod 1041 and the push ring 1043 will gradually rise with the added liquid to start the stroke, after the movable plate 1033 and the contact plate 1053 are respectively in contact with the objects to be supported, the adaptation plate 1051 will rotate along the auxiliary hydraulic rod 1041 along with the return torsion spring 1052 to adapt to the shape of the object to be supported, the movable plate 1033 will move along the return spring 1023 on the movable ball 1022 along the ball groove 1032 to adapt to the shape of the object to be supported, and the main hydraulic rod 1021 and the auxiliary hydraulic rod 1041 will respectively support the objects to be supported.

[0056] Embodiment 2:

[0057] refer to Figure 8-12 A stroke buffer structure of a hydraulic cylinder includes a buffer mechanism 2, which is bolted to the surface of a dispersion mechanism 1. The buffer mechanism 2 includes a collecting component 201, a transmission component 202 and a supporting component 203. The collecting component 201 is bolted to the surface of the main body component 101, the transmission component 202 is connected to the surface of the collecting component 201, and the supporting component 203 is bolted to the top of the transmission component 202. The inner side of the supporting component 203 is slidably connected to the surface of the active component 102 and the surface of the auxiliary component 104 respectively. By setting the buffer mechanism 2, the collecting component 201 can collect the liquid generated when the dispersion mechanism 1 fails and breaks, and transport the collected liquid to the transmission component 202. The transmission component 202 can cooperate with the supporting component 203. When the transmission component 202 is filled with the liquid transported by the collecting component 201, the supporting component 203 can be lifted, so that the supporting component 203 can provide emergency support for the required supported object.

[0058] like Fig. 9 As shown, the collecting assembly 201 includes a collecting tube 2011, a guide groove 2012 and a liquid discharge port 2013. The collecting tube 2011 is bolted to the surface of the hydraulic cylinder body 1011, the guide groove 2012 is arranged on the inner side of the collecting tube 2011, and the liquid discharge port 2013 is arranged at the bottom of the surface of the collecting tube 2011. By setting the collecting assembly 201, the collecting tube 2011 can collect the liquid generated by the burst of the hydraulic cylinder body 1011 due to a fault, and can cooperate with the guide groove 2012 to transport the liquid to the liquid discharge port 2013 through the guide groove 2012, and then the liquid discharge port 2013 can transport the liquid to the transmission assembly 202.

[0059] like Fig.10As shown, the transmission assembly 202 includes a transmission hydraulic rod 2021, a shunt pipe 2022 and a drain pipe 2023. The transmission hydraulic rod 2021 is bolted to the surface of the collection tube 2011. The bottom of the inner side of the transmission hydraulic rod 2021 is connected to the drain port 2013. The shunt pipe 2022 is connected to the bottom of the surface of the transmission hydraulic rod 2021. The drain pipe 2023 is connected to the top of the surface of the shunt pipe 2022. The bottom of the drain pipe 2023 is connected to the shunt pipe 2022. By setting the transmission assembly 202 The driving assembly 202 and the transmission hydraulic rod 2021 can cooperate with the drainage pipe 2023. When the liquid enters the transmission hydraulic rod 2021, the transmission hydraulic rod 2021 can lift the support assembly 203 along with the input of the liquid. When the transmission hydraulic rod 2021 is lifted to the top, the excess liquid can be transported to the drainage pipe 2023 through the shunt pipe 2022, thereby transporting the liquid to each transmission hydraulic rod 2021, which can gradually lift the support assembly 203.

[0060] like Fig.11 As shown, the support assembly 203 includes a support frame 2031, a contact frame 2032 and a sliding ring 2033. The support frame 2031 is bolted to the output end of the top of the transmission hydraulic rod 2021, the contact frame 2032 is bolted to the top of the support frame 2031, and the sliding ring 2033 is bolted to the inner side of the contact frame 2032. The inner side of the sliding ring 2033 is slidably connected to the surface of the main hydraulic rod 1021, and the inner side of the contact frame 2032 is slidably connected to the surface of the auxiliary hydraulic rod 1041. By setting the support assembly 203, the support frame 2031 can temporarily support the required supported object as the transmission hydraulic rod 2021 is lifted, and the contact frame 2032 can cooperate with the sliding ring 2033 to limit the movement of the support frame 2031, thereby further increasing the stability when supporting the required supported object.

[0061] A brief description of the use process: First, when the dispersion mechanism 1 fails and breaks accidentally, the liquid in the dispersion mechanism 1 will flow into the collecting tube 2011, and then flow along the guide groove 2012 to the drain port 2013, and then the liquid will flow into the transmission hydraulic rod 2021. When the liquid flows in, the transmission hydraulic rod 2021 will gradually rise upward with the liquid, and then the excess liquid will flow from the discharge pipe 2023 into the shunt pipe 2022, and provide liquid to other transmission hydraulic rods 2021, and then the support frame 2031 will be lifted, and the support frame 2031 will drive the contact frame 2032 and the sliding ring 2033 to rise along the dispersion mechanism 1 until they contact with the supported object and temporarily support the supported object.

[0062] like Fig.12 As shown, the method for using the stroke buffer structure of the hydraulic cylinder mentioned above comprises the following specific steps:

[0063] S1. Force dispersion and stroke buffering: First, the dispersion mechanism 1 is powered on and started, and then the hydraulic cylinder body 1011 is connected to an external liquid supply device, and then the main hydraulic rod 1021, the auxiliary hydraulic rod 1041 and the push ring 1043 will gradually rise with the added liquid to start the stroke, and after the movable plate 1033 and the contact plate 1053 are respectively in contact with the object to be supported, the adaption plate 1051 will rotate along the auxiliary hydraulic rod 1041 along with the return torsion spring 1052 to adapt to the shape of the object to be supported, and the movable plate 1033 will move along the return spring 1023 on the movable ball 1022 along the ball groove 1032 to adapt to the shape of the object to be supported, and the main hydraulic rod 1021 and the auxiliary hydraulic rod 1041 will respectively support the object to be supported;

[0064] S2. Emergency buffering treatment for damage: First, when the dispersion mechanism 1 fails and ruptures accidentally, the liquid in the dispersion mechanism 1 will flow into the collecting tube 2011, and then flow along the guide groove 2012 to the drain port 2013, and then the liquid will flow into the transmission hydraulic rod 2021. When the liquid flows in, the transmission hydraulic rod 2021 will gradually rise upward with the liquid, and then the excess liquid will flow from the drain pipe 2023 into the diversion pipe 2022, and provide liquid to other transmission hydraulic rods 2021, and then the support frame 2031 will be lifted, and the support frame 2031 will drive the contact frame 2032 and the sliding ring 2033 to rise along the dispersion mechanism 1 until they come into contact with the supported object and temporarily support the supported object.

[0065] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A stroke buffer structure of a hydraulic cylinder, comprising a dispersion mechanism (1) and a buffer mechanism (2), characterized in that: The buffer mechanism (2) is bolted to the surface of the dispersion mechanism (1); the dispersion mechanism (1) comprises a main body component (101), an active component (102), an adjustment component (103), an auxiliary component (104) and an adaptation component (105); the active component (102) is slidably connected to the inner side of the main body component (101); the adjustment component (103) is movably connected to the top of the active component (102); the auxiliary component (104) is slidably connected to a side of the inner side of the main body component (101) away from the active component (102); and the adaptation component (105) is slidably connected to a side of the inner side of the main body component (101) away from the active component (102). 105) is rotatably connected to the top of the auxiliary component (104), and the buffer mechanism (2) includes a collecting component (201), a transmission component (202) and a supporting component (203), wherein the collecting component (201) is bolted to the surface of the main component (101), the transmission component (202) is connected to the surface of the collecting component (201), the supporting component (203) is bolted to the top of the transmission component (202), and the inner side of the supporting component (203) is slidably connected to the surface of the active component (102) and the surface of the auxiliary component (104), respectively.

2. A stroke buffer structure of a hydraulic cylinder according to claim 1, characterized in that: The main body component (101) comprises a hydraulic cylinder body (1011), a main rod hole (1012) and a secondary rod hole (1013); the main rod hole (1012) is opened at the top of the hydraulic cylinder body (1011); and the secondary rod hole (1013) is opened at a side of the top of the hydraulic cylinder body (1011) away from the main rod hole (1012).

3. A stroke buffer structure of a hydraulic cylinder according to claim 2, characterized in that: The active component (102) includes a main hydraulic rod (1021), a movable ball (1022) and a return spring (1023); the main hydraulic rod (1021) is slidably connected to the inner side of the hydraulic cylinder body (1011); the surface of the main hydraulic rod (1021) is slidably connected to the inner side of the main rod hole (1012); the movable ball (1022) is bolted to the top of the main hydraulic rod (1021); and the return spring (1023) is bolted to the top of the movable ball (1022).

4. A stroke buffer structure of a hydraulic cylinder according to claim 3, characterized in that: The adjustment component (103) comprises a limiting sleeve (1031), a ball groove (1032) and a movable plate (1033); the limiting sleeve (1031) is movably connected to the surface of the movable ball (1022); the ball groove (1032) is provided at the bottom of the limiting sleeve (1031); the top of the inner side of the ball groove (1032) is bolted to the return spring (1023); the inner side of the ball groove (1032) is slidably connected to the surface of the movable ball (1022); and the movable plate (1033) is bolted to the top of the limiting sleeve (1031).

5. The stroke buffer structure of a hydraulic cylinder according to claim 3, characterized in that: The auxiliary component (104) includes a secondary hydraulic rod (1041), a transmission spring (1042) and a push ring (1043); the secondary hydraulic rod (1041) is slidably connected to the inner side of the secondary rod hole (1013); the push ring (1043) is bolted to the bottom of the secondary hydraulic rod (1041); the surface of the push ring (1043) is slidably connected to the inner side of the hydraulic cylinder body (1011); the inner side of the push ring (1043) is bolted to the bottom of the surface of the main hydraulic rod (1021); the transmission spring (1042) is bolted to the top of the push ring (1043); and the top of the transmission spring (1042) is bolted to the top of the inner side of the hydraulic cylinder body (1011).

6. A stroke buffer structure of a hydraulic cylinder according to claim 5, characterized in that: The adaptation assembly (105) comprises an adaptation plate (1051), a return torsion spring (1052) and a contact plate (1053); the adaptation plate (1051) is rotatably connected to the top of the auxiliary hydraulic rod (1041); the return torsion spring (1052) is bolted to the top of the surface of the auxiliary hydraulic rod (1041); the side of the return torsion spring (1052) away from the auxiliary hydraulic rod (1041) is bolted to the adaptation plate (1051); and the contact plate (1053) is bolted to the top of the adaptation plate (1051).

7. The stroke buffer structure of a hydraulic cylinder according to claim 3, characterized in that: The collecting assembly (201) comprises a collecting cylinder (2011), a guide groove (2012) and a liquid discharge port (2013); the collecting cylinder (2011) is bolted to the surface of the hydraulic cylinder body (1011); the guide groove (2012) is provided on the inner side of the collecting cylinder (2011); and the liquid discharge port (2013) is provided at the bottom of the surface of the collecting cylinder (2011).

8. The stroke buffer structure of a hydraulic cylinder according to claim 7, characterized in that: The transmission assembly (202) comprises a transmission hydraulic rod (2021), a shunt pipe (2022) and a discharge pipe (2023); the transmission hydraulic rod (2021) is bolted to the surface of the collection barrel (2011); the bottom of the inner side of the transmission hydraulic rod (2021) is connected to the discharge port (2013); the shunt pipe (2022) is connected to the bottom of the surface of the transmission hydraulic rod (2021); the discharge pipe (2023) is connected to the top of the surface of the shunt pipe (2022); and the bottom of the discharge pipe (2023) is connected to the shunt pipe (2022).

9. The stroke buffer structure of a hydraulic cylinder according to claim 8, characterized in that: The support assembly (203) comprises a support frame (2031), a contact frame (2032) and a sliding ring (2033); the support frame (2031) is bolted to the output end at the top of the transmission hydraulic rod (2021); the contact frame (2032) is bolted to the top of the support frame (2031); the sliding ring (2033) is bolted to the inner side of the contact frame (2032); the inner side of the sliding ring (2033) is slidably connected to the surface of the main hydraulic rod (1021); and the inner side of the contact frame (2032) is slidably connected to the surface of the auxiliary hydraulic rod (1041).

10. A method for using a stroke buffer structure of a hydraulic cylinder according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Force dispersion and stroke buffering: First, the dispersion mechanism (1) is powered on and started, and then the hydraulic cylinder body (1011) is connected to an external liquid supply device, and then the main hydraulic rod (1021), the auxiliary hydraulic rod (1041) and the push ring (1043) are gradually lifted up with the added liquid to start the stroke, and after the movable plate (1033) and the contact plate (1053) are respectively in contact with the object to be supported, the adaptation plate (1051) will rotate along the auxiliary hydraulic rod (1041) along the return torsion spring (1052) to adapt to the shape of the object to be supported, and the movable plate (1033) will move along the return spring (1023) on the movable ball (1022) along the ball groove (1032) to adapt to the shape of the object to be supported, and the main hydraulic rod (1021) and the auxiliary hydraulic rod (1041) will respectively support the object to be supported; S2. Emergency buffering treatment for damage: First, when the dispersion mechanism (1) fails and breaks accidentally, the liquid in the dispersion mechanism (1) will flow into the collecting tube (2011), and then flow along the guide groove (2012) to the drain port (2013), and then the liquid will flow into the transmission hydraulic rod (2021). When the liquid flows in, the transmission hydraulic rod (2021) will gradually rise upward along with the liquid, and then the excess liquid will flow from the drain pipe (2023) into the diversion pipe (2022), and provide liquid to other transmission hydraulic rods (2021), and then the support frame (2031) will be lifted, and the support frame (2031) will drive the contact frame (2032) and the sliding ring (2033) to rise along the dispersion mechanism (1) until they come into contact with the supported object and temporarily support the supported object.

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