CN112746995A - Hydraulic medium conversion device - Google Patents

Hydraulic medium conversion device Download PDF

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Publication number
CN112746995A
CN112746995A CN202110245834.9A CN202110245834A CN112746995A CN 112746995 A CN112746995 A CN 112746995A CN 202110245834 A CN202110245834 A CN 202110245834A CN 112746995 A CN112746995 A CN 112746995A
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liquid inlet
reversing
medium
conversion device
pipeline
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CN202110245834.9A
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CN112746995B (en
Inventor
张军
李金林
张丽娟
赵晓宏
姜春雨
邓喜礼
赵家国
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Dalian Hongyuan Pneumatic Hydraulic Marine Auxiliary Machine Co ltd
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Dalian Hongyuan Pneumatic Hydraulic Marine Auxiliary Machine Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/26—Supply reservoir or sump assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1428—Cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1457—Piston rods
    • F15B15/1461—Piston rod sealings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)

Abstract

本发明属于液压装置技术领域，具体涉及一种液压介质转换装置，包括压力供液箱、新介质储箱和组合油缸；组合油缸的油缸筒内滑动连接有活塞组件，油缸筒与活塞组件外部形成的空间为外腔室，油缸筒与活塞组件内部形成的空间为内腔室；所述外腔室连通压力供液箱，通过外腔室的介质驱动活塞组件在油缸筒内运动；所述内腔室连通新介质储箱和新介质外送管线。本发明的液压系统转换装置能够对介质进行动力转换，从而持续输出高压介质，两套介质空间相互独立，使两种介质有效隔离，结构简单，安全高效。

Figure 202110245834

The invention belongs to the technical field of hydraulic devices, and in particular relates to a hydraulic medium conversion device, comprising a pressure liquid supply tank, a new medium storage tank and a combined oil cylinder; a piston assembly is slidably connected in an oil cylinder barrel of the combined oil cylinder, and the oil cylinder barrel and the outside of the piston assembly are formed The space formed by the outer chamber is the outer chamber, and the space formed by the cylinder barrel and the piston assembly is the inner chamber; the outer chamber is connected to the pressure liquid supply tank, and the medium of the outer chamber drives the piston assembly to move in the cylinder barrel; the inner chamber The chamber communicates with the new medium storage tank and the new medium delivery line. The hydraulic system conversion device of the present invention can perform power conversion on the medium, so as to continuously output the high-pressure medium, and the two sets of medium spaces are independent of each other, so that the two mediums are effectively isolated, and the structure is simple, safe and efficient.

Figure 202110245834

Description

Hydraulic medium conversion device
Technical Field
The invention belongs to the technical field of hydraulic devices, and particularly relates to a hydraulic medium conversion device.
Background
The hydraulic power device has important application in production, and particularly in some special fields, two sets of hydraulic media need to exist simultaneously, such as a hydraulic device for fully mechanized coal mining of a coal mine, two media of emulsion and hydraulic oil are used as hydraulic power sources, and the most convenient hydraulic source for fully mechanized coal mining of the coal mine is the emulsion; in addition, some devices utilize an oil pressure motor to drive machinery, such as a hoisting device, an oil pressure anchor rod drilling machine, an oil pressure winch and the like, and common oil pressure motors cannot be driven by emulsion.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a hydraulic medium converting apparatus for performing safe and stable conversion of a hydraulic medium power source.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the hydraulic medium conversion device comprises a pressure liquid supply tank, a new medium storage tank and a combined oil cylinder; a piston assembly is connected in an oil cylinder barrel of the combined oil cylinder in a sliding mode, a space formed between the oil cylinder barrel and the outer portion of the piston assembly is an outer chamber, and a space formed between the oil cylinder barrel and the inner portion of the piston assembly is an inner chamber; the outer chamber is communicated with the pressure liquid supply tank, and the piston assembly is driven to move in the oil cylinder barrel through the medium of the outer chamber; the inner chamber is communicated with a new medium storage tank and a new medium delivery pipeline.
Further, piston assembly includes the piston rod and sets up the slip seal at the piston rod both ends, slip seal and oil cylinder inner wall sliding connection set up the sealing ring between the outer wall of slip seal and the oil cylinder inner wall, and the space that closes and form is interior cavity for piston rod outer wall, oil cylinder inner wall and slip seal, the oil cylinder inner wall is fixed with the interval uide bushing, and interval uide bushing and piston rod outer wall sliding connection, interval uide bushing divide interior cavity into two parts.
Furthermore, the oil cylinder barrel is provided with a first liquid inlet and a second liquid inlet which are communicated with the outer cavity, the pressure liquid supply box is connected to the first liquid inlet through a first liquid inlet pipe, the pressure liquid supply box is connected to the second liquid inlet through a second liquid inlet pipe, the first liquid inlet and the second liquid inlet are distributed on two sides of the piston assembly, and the piston assembly divides the outer cavity into two parts.
Furthermore, the pressure liquid supply tank is provided with a reversing valve, and the reversing valve is respectively connected with the first liquid inlet pipe and the second liquid inlet pipe; one end of the piston rod is connected with a transmission rod, the transmission rod extends out of the oil cylinder, the transmission rod is connected with a reversing device, and the reversing device is driven by the movement of the piston rod to control the reversing valve to reverse.
Furthermore, the reversing device comprises a reversing shifting fork, the reversing shifting fork is connected to the fixing frame through a spring barrel, one end of the spring barrel is hinged to the fixing frame, the other end of the spring barrel is hinged to a shifting rod of the reversing shifting fork, the middle of the shifting rod is hinged to the fixing frame, and one end, close to the reversing shifting fork, of the spring barrel is connected with the transmission rod.
Furthermore, the reversing valve is controlled to reverse through a reversing valve handle, and the position of the reversing valve handle is controlled through a reversing device.
Furthermore, the transmission rod is connected with the spring barrel through a chain, and connecting points at two ends of the chain are on the same horizontal line.
Further, the spring cylinder comprises a spring and a cylinder body sleeved outside the spring, a limiting frame with a distance from the spring cylinder is arranged outside the spring cylinder, and the limiting frame is connected to the fixing frame.
Furthermore, a third liquid inlet and a fourth liquid inlet which are communicated with the inner chamber are formed in the oil cylinder barrel, the third liquid inlet is connected with a first medium pipeline, and the fourth liquid inlet is connected with a second medium pipeline; the new medium storage box is provided with a storage box inlet pipeline and a storage box outlet pipeline, the first medium pipeline is respectively connected with the storage box outlet pipeline and the new medium delivery pipeline through branch pipelines, the second medium pipeline is respectively connected with the storage box outlet pipeline and the new medium delivery pipeline through branch pipelines, and the third liquid inlet and the fourth liquid inlet are arranged on two sides of the spacing guide sleeve.
Furthermore, each branch pipeline is respectively provided with a one-way valve.
The invention has the beneficial effects that: the hydraulic system conversion device can convert power of the medium so as to continuously output the high-pressure medium, the two sets of media are mutually independent in space, the two media are effectively isolated, and the hydraulic system conversion device is simple in structure, safe and efficient.
Drawings
FIG. 1 is a schematic view of the present apparatus;
in the figure: 1. a pressure liquid supply box, 2, a new medium storage box, 3, an oil cylinder barrel, 4, an outer chamber, 5, an inner chamber, 6, a piston rod, 7, a sliding sealing body, 8, an interval guide sleeve, 9, a first liquid inlet, 10, a second liquid inlet, 11, a first liquid inlet pipe, 12, a second liquid inlet pipe, 13, a reversing valve, 14, a transmission rod, 15, a reversing shifting fork, 16, a spring barrel, 17, a fixing frame, 18, a shifting rod, 19, a reversing valve handle, 20, a chain, 21, a limiting frame, 22, a third liquid inlet, 23, a fourth liquid inlet, 24, a first medium pipeline, 25, a second medium pipeline, 26, a one-way valve, 27, a fixing square pin, 28, a first rotating shaft, 29, a second rotating shaft, 30, a third rotating shaft, 31, a new medium delivery pipeline, 32 and a storage box inlet pipeline, 33. Tank outlet line, 34, branch line.
Detailed Description
In order to make the structure and function of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention.
Referring to the attached figure 1, the hydraulic medium conversion device comprises a pressure liquid supply tank 1, a new medium storage tank 2 and a combined oil cylinder; a piston assembly is connected in an oil cylinder barrel 3 of the combined oil cylinder in a sliding manner, a space formed by the oil cylinder barrel and the outside of the piston assembly is an outer chamber 4, and a space formed by the oil cylinder barrel and the inside of the piston assembly is an inner chamber 5; the outer chamber 4 is communicated with the pressure liquid supply tank 1, and the piston assembly is driven to move in the oil cylinder barrel through the medium of the outer chamber; the inner chamber 5 communicates with the fresh medium tank 2 and the fresh medium outgoing line 31. Through the continuous input of medium and the output in the pressure liquid supply case 1, make piston assembly reciprocating motion in the oil cylinder section of thick bamboo to make the continuous output of medium in the inner chamber, thereby realize the hydraulic pressure of two kinds of media and can constantly change, a high-pressure medium is input to one end, another kind of high-pressure medium is continuously output to the other end, can with the high-pressure medium of output long-range carry hydraulic means in, two kinds of media can keep apart each other, avoid the condition of medium pollution to take place.
Further, piston assembly includes piston rod 6 and the slip seal 7 of setting at the piston rod both ends, slip seal 7 and the 3 inner wall sliding connection of oil cylinder section of thick bamboo set up the sealing ring between the outer wall of slip seal and the oil cylinder section of thick bamboo inner wall, and the space that 6 outer walls of piston rod, 3 inner walls of oil cylinder section of thick bamboo and slip seal 7 enclose to close and form is interior chamber 5, the oil cylinder section of thick bamboo inner wall is fixed with interval uide bushing 8 through fixed square pin 27, and interval uide bushing 8 and 6 outer wall sliding connection of piston rod, interval uide bushing 8 separate interior chamber 5 for two parts. The inner chamber is used as a working chamber for pressurizing and outputting new media, and the new media in the inner chamber are continuously pressurized and output through the reciprocating motion of the piston assembly.
Furthermore, the oil cylinder barrel is provided with a first liquid inlet 9 and a second liquid inlet 10 which are communicated with the outer cavity, the pressure liquid supply tank 1 is connected to the first liquid inlet 9 through a first liquid inlet pipe 11, the pressure liquid supply tank is connected to the second liquid inlet 10 through a second liquid inlet pipe 12, the first liquid inlet 9 and the second liquid inlet 10 are distributed on two sides of the piston assembly, and the piston assembly divides the outer cavity 4 into two parts.
Furthermore, the pressure liquid supply tank is provided with a reversing valve 13, and the reversing valve 13 is respectively connected with the first liquid inlet pipe 11 and the second liquid inlet pipe 12; one end of the piston rod 6 is connected with a transmission rod 14, the transmission rod 14 extends out of the oil cylinder barrel 3, the transmission rod 14 is connected with a reversing device, and the reversing valve 13 is controlled to reverse by the reversing device driven by the movement of the piston rod 6.
Furthermore, the reversing device comprises a reversing shifting fork 15, the reversing shifting fork 15 is connected to a fixed frame 17 through a spring barrel 16, one end of the spring barrel 16 is hinged to the fixed frame 17, the other end of the spring barrel 16 is hinged to a shifting lever 18 of the reversing shifting fork, the middle of the shifting lever 18 is hinged to the fixed frame 17, and one end, close to the reversing shifting fork 15, of the spring barrel 16 is connected with a transmission rod. The reversing valve 13 controls reversing through a reversing valve handle 19, and the position of the reversing valve handle 19 is controlled through a reversing shifting fork 15. The transmission rod 14 is connected with the spring cylinder through a chain 20, and the connection points of the two ends of the chain 20 are on the same horizontal line.
Based on the technical scheme, one end of the spring cylinder 16 is hinged with the fixed frame 17 through the first rotating shaft 28, the other end of the spring cylinder 16 is hinged with the shifting lever 18 of the reversing shifting fork through the second rotating shaft 29, the middle of the shifting lever 18 is hinged with the branch fork of the fixed frame 17 through the third rotating shaft 30, in a natural state, the spring cylinder 16 and the shifting lever 18 are adjusted to be vertical on a straight line, the hinge point at the second rotating shaft 29 is a movable hinge point, the hinge point at the third rotating shaft 30 is a fixed hinge point, the transmission rod 14 is connected to the second rotating shaft 29 through the chain 20, and the reversing shifting fork shifts the reversing valve by taking the hinge point at the third rotating shaft 30 as an axis under the action of the transmission rod 14. The supporting fork of the fixing frame 17 is obliquely arranged to avoid interference with the reversing shifting fork in movement.
Further, the spring cylinder 16 comprises a spring and a cylinder body sleeved outside the spring, a limiting frame 21 keeping a distance with the spring cylinder is arranged outside the spring cylinder, and the limiting frame 21 is connected to the fixing frame 17. The spring extends out of the cylinder body, the cylinder body can ensure that the spring cylinder 16 inclines along a straight line, and the internal spring can ensure that the spring cylinder 16 inclines and can automatically recover the original state. The limiting frame 21 can ensure that the reversing shifting fork deflects within a certain angle, and avoid excessive deflection to damage the reversing shifting fork or a reversing valve handle.
Furthermore, a third liquid inlet 22 and a fourth liquid inlet 23 which are communicated with the inner chamber are arranged on the oil cylinder barrel, the third liquid inlet 22 is connected with a first medium pipeline 24, and the fourth liquid inlet 23 is connected with a second medium pipeline 25; the new medium storage tank 2 is provided with a storage tank inlet pipeline 32 and a storage tank outlet pipeline 33, the first medium pipeline 24 is respectively connected with the storage tank outlet pipeline 33 and the new medium delivery pipeline 31 through a branch pipeline 34, the second medium pipeline 25 is connected with the storage tank outlet pipeline 33 and the new medium delivery pipeline 31 through a branch pipeline 34, each branch pipeline is respectively provided with a one-way valve 26, and the third liquid inlet 22 and the fourth liquid inlet 23 are arranged on two sides of the spacing guide sleeve 8.
Taking the direction of the figure 1 as an example, the device realizes a medium conversion function, the length of the oil cylinder can be shortened, a liquid supply source with certain pressure supplies liquid to the integrated oil cylinder through the reversing valve 13, the piston of the oil cylinder moves left and right, and the two parts of inner cavities filled with new media can output new media with pressure. One end of the oil cylinder is provided with a transmission rod 14 connected with a chain 20, the transmission rod looses towards the right side of the chain 20, the transmission rod pushes a second rotating shaft 29 of the spring cylinder, the second rotating shaft 29 of the spring cylinder is rightwards, the spring cylinder 16 and the reversing shifting fork 15 are rightwards bent, and the reversing valve handle is shifted to the left side by the reversing shifting fork. When the transmission rod reaches a certain position leftwards, the spring barrel is pulled leftwards by the chain 20, the second rotating shaft 29 of the spring barrel rapidly jumps leftwards, the spring barrel 16 and the reversing shifting fork 15 bend leftwards, and the reversing valve handle is shifted rightwards by the reversing shifting fork. The reversing valve handle is provided with a spring, the reversing valve handle is only provided with two positions, or the right side or the left side, and the hydraulic oil cylinder continuously reciprocates and continuously outputs due to the repeated reciprocation of the reversing shifting fork and the transmission rod; when the output ends, the cylinder brake stops working.
The above list is only the preferred embodiment of the present invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.

Claims (10)

1.液压介质转换装置，其特征在于：包括压力供液箱、新介质储箱和组合油缸；组合油缸的油缸筒内滑动连接有活塞组件，油缸筒与活塞组件外部形成的空间为外腔室，油缸筒与活塞组件内部形成的空间为内腔室；所述外腔室连通压力供液箱，通过外腔室的介质驱动活塞组件在油缸筒内运动；所述内腔室连通新介质储箱和新介质外送管线。1. The hydraulic medium conversion device is characterized in that: it includes a pressure liquid supply tank, a new medium storage tank and a combined oil cylinder; a piston assembly is slidably connected in the oil cylinder barrel of the combined oil cylinder, and the space formed outside the oil cylinder barrel and the piston assembly is an outer chamber , the space formed by the cylinder barrel and the piston assembly is an inner chamber; the outer chamber is connected to the pressure liquid supply tank, and the medium of the outer chamber drives the piston assembly to move in the cylinder barrel; the inner chamber is connected to a new medium storage tank tank and new media delivery lines. 2.根据权利要求1所述的液压介质转换装置，其特征在于：所述活塞组件包括活塞杆和设置在活塞杆两端的滑动密封体，所述滑动密封体与油缸筒内壁滑动连接，滑动密封体的外壁与油缸筒内壁之间设置密封环，活塞杆外壁、油缸筒内壁和滑动密封体围合而成的空间为内腔室，所述油缸筒内壁固定有间隔导向套，间隔导向套与活塞杆外壁滑动连接，间隔导向套将内腔室分隔为两部分。2 . The hydraulic medium conversion device according to claim 1 , wherein the piston assembly comprises a piston rod and a sliding sealing body arranged at both ends of the piston rod, the sliding sealing body is slidably connected with the inner wall of the cylinder barrel, and the sliding sealing body is slidably sealed. 3 . A sealing ring is arranged between the outer wall of the body and the inner wall of the cylinder barrel. The space enclosed by the outer wall of the piston rod, the inner wall of the cylinder barrel and the sliding sealing body is an inner chamber. The outer wall of the piston rod is slidably connected, and the spacer guide sleeve divides the inner chamber into two parts. 3.根据权利要求2所述的液压介质转换装置，其特征在于：所述油缸筒上设置有连通外腔室的第一进液口和第二进液口，压力供液箱通过第一进液管连接至第一进液口，压力供液箱通过第二进液管连接至第二进液口，第一进液口和第二进液口分布在活塞组件的两侧，活塞组件将外腔室分隔为两部分。3 . The hydraulic medium conversion device according to claim 2 , wherein the oil cylinder barrel is provided with a first liquid inlet and a second liquid inlet that communicate with the outer chamber, and the pressure liquid supply tank passes through the first liquid inlet. 4 . The liquid pipe is connected to the first liquid inlet, the pressure liquid supply tank is connected to the second liquid inlet through the second liquid inlet pipe, the first liquid inlet and the second liquid inlet are distributed on both sides of the piston assembly, and the piston assembly will The outer chamber is divided into two parts. 4.根据权利要求3所述的液压介质转换装置，其特征在于：所述压力供液箱设置有换向阀，换向阀分别连接第一进液管和第二进液管；活塞杆的一端连接传动杆，传动杆延伸至油缸筒外，传动杆连接换向装置，通过活塞杆的运动带动换向装置控制换向阀进行换向。4. The hydraulic medium conversion device according to claim 3, characterized in that: the pressure liquid supply tank is provided with a reversing valve, and the reversing valve is respectively connected to the first liquid inlet pipe and the second liquid inlet pipe; One end is connected to the transmission rod, the transmission rod extends to the outside of the oil cylinder, the transmission rod is connected to the reversing device, and the movement of the piston rod drives the reversing device to control the reversing valve for reversing. 5.根据权利要求4所述的液压介质转换装置，其特征在于：所述换向装置包括换向拨叉，所述换向拨叉通过弹簧筒连接在固定架上，弹簧筒一端与固定架铰接，弹簧筒另一端与换向拨叉的拨杆铰接，所述拨杆的中部与固定架铰接，弹簧筒靠近换向拨叉的一端连接传动杆。5 . The hydraulic medium conversion device according to claim 4 , wherein the reversing device comprises a reversing fork, the reversing fork is connected to the fixing frame through a spring cylinder, and one end of the spring cylinder is connected to the fixing frame. 6 . The other end of the spring cylinder is hinged with the shift rod of the reversing fork, the middle part of the shift rod is hinged with the fixing frame, and one end of the spring cylinder close to the reversing fork is connected to the transmission rod. 6.根据权利要求4或5所述的液压介质转换装置，其特征在于：所述换向阀通过换向阀柄控制换向，换向阀柄的位置通过换向装置控制。6 . The hydraulic medium conversion device according to claim 4 or 5 , wherein the reversing valve is controlled by a reversing valve handle, and the position of the reversing valve handle is controlled by a reversing device. 7 . 7.根据权利要求5所述的液压介质转换装置，其特征在于：所述传动杆通过链条连接弹簧筒，链条两端的连接点在同一水平线上。7 . The hydraulic medium conversion device according to claim 5 , wherein the transmission rod is connected to the spring cylinder through a chain, and the connection points at both ends of the chain are on the same horizontal line. 8 . 8.根据权利要求5所述的液压介质转换装置，其特征在于：所述弹簧筒包括弹簧和套装在弹簧外部的筒体，所述弹簧筒外部设置有与弹簧筒具有间距的限位架，限位架连接在固定架上。8 . The hydraulic medium conversion device according to claim 5 , wherein the spring cylinder comprises a spring and a cylinder body sleeved on the outside of the spring, the outside of the spring cylinder is provided with a limit frame having a distance from the spring cylinder, 9 . The limit frame is connected to the fixed frame. 9.根据权利要求2所述的液压介质转换装置，其特征在于：所述油缸筒上设置有连通内腔室的第三进液口和第四进液口，第三进液口连接第一介质管线，第四进液口连接第二介质管线；新介质储箱设置有储箱入口管线和储箱出口管线，所述第一介质管线通过分支管线分别连接储箱出口管线和新介质外送管线，所述第二介质管线通过分支管线分别连接储箱出口管线和新介质外送管线，所述第三进液口和第四进液口设置在间隔导向套的两侧。9 . The hydraulic medium conversion device according to claim 2 , wherein the cylinder barrel is provided with a third liquid inlet and a fourth liquid inlet that communicate with the inner chamber, and the third liquid inlet is connected to the first liquid inlet. 10 . The medium pipeline, the fourth liquid inlet is connected to the second medium pipeline; the new medium storage tank is provided with a tank inlet pipeline and a tank outlet pipeline, and the first medium pipeline is respectively connected to the tank outlet pipeline and the new medium through the branch pipeline. The second medium pipeline is respectively connected to the tank outlet pipeline and the new medium outgoing pipeline through the branch pipeline, and the third liquid inlet and the fourth liquid inlet are arranged on both sides of the spaced guide sleeve. 10.根据权利要求9所述的液压介质转换装置，其特征在于：每条分支管线上分别设置一个单向阀。10 . The hydraulic medium conversion device according to claim 9 , wherein a one-way valve is respectively provided on each branch line. 11 .
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