Swing oil cylinder with remote monitoring device for pipeline valve
By designing a swing cylinder with a remote monitoring device, the problem of pipeline valves being difficult to open and close quickly was solved, enabling remote control and real-time status display, thus improving safety and efficiency.
Patent Information
- Application Number
- CN202520181585.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-05
AI Technical Summary
The valves in the pipelines are located in different places and lack real-time monitoring devices, making it difficult for operators to quickly open and close the valves, which poses a safety hazard.
Design a swing cylinder with a remote monitoring device, which controls the opening and closing of the valve by rotating the main shaft, and is equipped with a remote monitoring component that uses light-emitting diodes to display the valve status in real time.
It enables remote opening and closing control of valves, improving maintenance efficiency, reducing safety hazards, and saving operation time.
Smart Images
Figure CN223676651U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a swing oil cylinder, in particular to a swing oil cylinder with remote monitoring device for pipeline valve. BACKGROUND
[0002] Before the maintenance of the pipeline, the pipeline valve at the corresponding position needs to be closed to ensure the smooth progress of the maintenance work, but according to the different use places of the pipeline, the pipeline valves are distributed in different positions, such as high altitude, underground or other narrow spaces, which makes it difficult for the operator to quickly open and close them.
[0003] More importantly, since the pipeline valves are distributed in different positions, and there is no opening and closing state display device installed on the pipeline valve, the operator cannot monitor the opening and closing state of the pipeline valve in real time, especially for the pipeline that transmits gas, the operator needs to manually confirm the valve state multiple times to avoid gas leakage during the maintenance process, which causes safety hazards. UTILITY MODEL CONTENTS
[0004] The utility model provides a swing oil cylinder with remote monitoring device for pipeline valve, through the swing oil cylinder, the remote opening and closing of the pipeline valve can be realized, and through the installation of the remote monitoring device on the swing oil cylinder, the opening and closing state of the valve can be monitored in real time through the monitoring device, so that the maintenance personnel do not need to manually confirm, improve the maintenance efficiency, shorten the maintenance time and avoid related safety hazards.
[0005] Therefore, the technical scheme of the utility model is a swing oil cylinder with remote monitoring device for pipeline valve, which is provided with an outer shell body, the outer shell body is a hollow structure, the inside of the outer shell body is provided with a main shaft, the main shaft is composed of a main shaft left segment, a main shaft middle segment and a main shaft right segment, the main shaft left segment is located at the left side position in the inside of the outer shell body, and the main shaft right segment is located at the right side position in the inside of the outer shell body.
[0006] The outer circumferences of the main shaft left segment and the main shaft right segment are respectively provided with rotating support shaft sleeves, the outer circumferences of the two rotating support shaft sleeves are respectively and hermetically fixedly connected with the left and right side positions of the inner circumference of the outer shell body, and the inner circumferences of the two rotating support shaft sleeves are respectively and rotatably sealedly connected with the outer circumferences of the main shaft left segment and the main shaft right segment.
[0007] The inside of the main shaft left segment is provided with a positioning hole, the positioning hole penetrates axially to the left side outside of the main shaft left segment, the positioning hole can be fixedly connected with the pipeline valve, and through the forward and reverse rotation of the main shaft, the opening and closing of the pipeline valve can be realized.
[0008] The remote monitoring assembly is arranged at an axial outer position of the right section of the main shaft, and comprises a support shell, an rotating shaft and a switch arranged inside the support shell, one end of the rotating shaft is fixedly connected with the right section of the main shaft in an axial direction, the main shaft can drive the rotating shaft to rotate in a forward and reverse direction synchronously, the other end of the rotating shaft can control the switch to be turned on and turned off while the rotating shaft rotates in a forward and reverse direction, the other end of the switch is connected with a monitoring device, and the opening and closing state of the pipeline valve can be checked in real time through the monitoring device.
[0009] Preferably, a connecting plate is arranged between the support shell and the rotating support sleeve of the right section of the main shaft, and the support shell and the rotating support sleeve are fixedly connected through the connecting plate.
[0010] A visible window is arranged at a front end position of the support shell, the visible window is a transparent window, a hole is arranged at a rear end position of the support shell, a rear section of the rotating shaft is located outside the support shell, the rear section of the rotating shaft passes through the hole and is fixedly connected with the right section of the main shaft in an axial direction, a front section of the rotating shaft is located inside the support shell, an eccentric wheel is fixedly arranged on the front section of the rotating shaft, the number of the eccentric wheels is two, and the two eccentric wheels are adjacently arranged on the rotating shaft.
[0011] The two eccentric wheels are arranged perpendicularly in a circumferential direction.
[0012] The number of the switches is two, and the two switches are arranged at one side of the two eccentric wheels respectively, and the two eccentric wheels can control the corresponding switches to be turned on and turned off respectively when rotating in a forward and reverse direction.
[0013] The monitoring device comprises light emitting diodes, the light emitting diodes are arranged at a position close to the visible window inside the support shell, the number of the light emitting diodes is two, the two light emitting diodes are electrically connected with the two switches respectively, and the two light emitting diodes can emit different colors of light respectively.
[0014] Preferably, the connecting plate is composed of a first connecting section and a second connecting section, the first connecting section is arranged at a middle position of the connecting plate, the second connecting section is arranged at two side positions of the first connecting section, the first connecting section is fixedly connected with the rear end position of the support shell in an axial direction, and the second connecting section is fixedly connected with the rotating support sleeve at one side of the right section of the main shaft in an axial direction.
[0015] A third through hole is arranged at a middle position of the first connecting section, the third through hole is arranged at an axial symmetrical position of the hole at the rear end position of the support shell, and the rear section of the rotating shaft passes through the hole at the rear end position of the support shell and the third through hole in sequence and is fixedly connected with the right section of the main shaft in an axial direction.
[0016] Preferably, the first connecting section and the rear end position of the support shell are axially locked through a screw.
[0017] The second connecting section and the rotating support sleeve at one side of the right section of the main shaft are axially locked through a screw.
[0018] Preferably, the monitoring device further comprises a central control screen, the central control screen is located outside the support shell, the support shell is provided with a lead hole penetrating inside and outside, one end of the two switches is respectively connected with a signal line, the other end of the signal line is connected with the central control screen through the lead hole.
[0019] Preferably, the left end of the outer shell is provided with a fixed support plate, the fixed support plate is axially fixedly connected with the left end of the outer shell, the fixed support plate is provided with a first through hole, and the first through hole is located at an axially symmetrical position of the positioning hole.
[0020] The fixed support plate is provided with a plurality of second through holes, and a screw is arranged in each second through hole.
[0021] Preferably, the leftmost position of the outer circumference of the outer shell is fixedly provided with a reinforcing support ring, and the fixed support plate is axially fixedly connected with the reinforcing support ring.
[0022] Preferably, the fixed support plate and the reinforcing support ring are axially locked through the screw.
[0023] Preferably, the inner side end face of the reinforcing support ring and the adjacent position of the outer circumference of the outer shell are connected through an arc transition.
[0024] Preferably, the inner circumferences of the two rotating support shaft sleeves are respectively provided with grooves, the two grooves are respectively provided with bearings, the bearing outer rings of the two bearings are respectively fixedly connected with the inner circumferences of the two rotating support shaft sleeves, the bearing inner rings of the two bearings are respectively fixedly connected with the outer circumferences of the left segment of the main shaft and the right segment of the main shaft, and the left segment of the main shaft and the right segment of the main shaft are respectively rotationally supported through the bearings between the two rotating support shaft sleeves.
[0025] The utility model discloses the beneficial effects are:
[0026] 1. The opening and closing of the pipeline valve are controlled by the rotation of the main shaft, which can maintain the accuracy and stability of the valve opening and closing, and the valve does not need to be opened and closed manually by the operator, especially when the pipeline valve is located in high altitude, underground or narrow space, the whole opening and closing process is safe, simple and fast to operate, and the operation time is saved.
[0027] 2. By setting remote monitoring assembly, when the operator needs to maintain, first, the hydraulic control spindle rotates forward, the spindle forward rotation drives the pipeline valve, rotating shaft and two eccentric wheels synchronous forward rotation, because the two eccentric wheels are perpendicular along the circumferential direction, when one of the eccentric wheels touches the limit switch at the corresponding position, the limit switch is connected, the connected light emitting diode is synchronous red light, the pipeline valve is in closed state, at this time, the other eccentric wheel is located at the side of the limit switch at the corresponding position, the limit switch remains disconnected, the connected light emitting diode maintains off state, because the light emitting diode is located inside the support shell close to the visual window, the operator can quickly see the light emitting diode red light through the visual window, then smoothly carry out pipeline maintenance work, without manual confirmation of valve, the whole process is convenient and fast, saves maintenance time under the premise of safety.
[0028] When the maintenance is completed, the hydraulic control spindle reverses, the spindle reverse rotation drives the pipeline valve, rotating shaft and two eccentric wheels synchronous reverse rotation, the red light emitting diode corresponding eccentric wheel rotates loose its corresponding limit switch, the limit switch is disconnected, the red light emitting diode is extinguished, at this time, the other eccentric wheel touches the limit switch at the corresponding position, the limit switch is connected, the connected light emitting diode is synchronous green light, at this time, the operator can quickly confirm the light emitting diode through the visual window, that is, the pipeline valve is in open state, without manual opening of the pipeline valve again, the operation process is convenient and fast, high safety and efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0029] Figure 1 It is the perspective view of the utility model;
[0030] Figure 2 It is another perspective view of the utility model;
[0031] Figure 3 It is the front view of the utility model;
[0032] Figure 4 It is the utility model Figure 3 A-A section view in the utility model;
[0033] Figure 5 It is the utility model Figure 3 C-C section view in the utility model;
[0034] Figure 6 It is the structure diagram of remote monitoring assembly in the utility model;
[0035] Figure 7 It is the perspective view of fixed support plate in the utility model;
[0036] Figure 8 is the schematic diagram corresponding to the valve opening state when the valve switch display board is used in the utility model;
[0037] Figure 9 is the schematic diagram corresponding to the valve closing state when the valve switch display board is used in the utility model;
[0038] Figure 10 is the structural diagram of the valve switch display board in the utility model.
[0039] Explanation of symbols in the figure:
[0040] 1. outer shell; 101. reinforcing support ring; 2. fixed support plate; 201. first through hole; 202. second through hole; 3. remote monitoring assembly; 301. visual window; 302. support shell; 303. lead hole; 304. shielding plate; 305. valve switch display board; 4. connecting plate; 401. third through hole; 402. first connecting section; 403. second connecting section; 5. main shaft; 501. left section of main shaft; 50101. positioning hole; 502. middle section of main shaft; 503. right section of main shaft; 6. rotating support sleeve; 7. screw; 8. bearing; 12. rotating shaft; 13. eccentric wheel; 14. switch. DETAILED DESCRIPTION
[0041] The utility model will be further described below in combination with examples.
[0042] Through Figures 1-10 It can be seen that the swing cylinder with remote monitoring device for pipeline valve is provided with an outer shell 1, the outer shell 1 is of hollow structure, the inside of the outer shell 1 is provided with a main shaft 5, the main shaft 5 can rotate in the inside of the outer shell 1, the main shaft 5 is composed of a left section of main shaft 501, a middle section of main shaft 502 and a right section of main shaft 503, the left section of main shaft 501 is located at the left side position in the inside of the outer shell 1, the middle section of main shaft 502 is located at the middle position in the inside of the outer shell 1, and the right section of main shaft 503 is located at the right side position in the inside of the outer shell 1.
[0043] The outer circumferences of the left section of main shaft 501 and the right section of main shaft 503 are respectively provided with rotating support sleeves 6, the outer circumferences of the two rotating support sleeves 6 are respectively and hermetically connected with the left and right side positions of the inner circumference of the outer shell 1, and the specific sealing mode is that oil seal rings are used in the patent.
[0044] The inner circumferences of the two rotating support sleeves 6 are respectively and rotatably connected with the outer circumferences of the left section of main shaft 501 and the right section of main shaft 503, and the specific sealing mode is that oil seal rings are also used at the positions in the patent.
[0045] The inner part of the main shaft left section 501 is provided with a positioning hole 50101 which penetrates axially to the left side of the main shaft left section 501, and the positioning hole 50101 can be fixedly connected with the pipeline valve. Through the forward and reverse rotation of the main shaft 5, the opening and closing of the pipeline valve can be realized synchronously. The shape of the positioning hole 50101 can be set according to the shape of the pipeline valve, such as triangular, hexagonal or other shapes.
[0046] The opening and closing of the pipeline valve are controlled by the rotation of the main shaft 5, which can maintain the accuracy and stability of the valve opening and closing. On the other hand, the operator does not need to manually open and close the valve, especially when the pipeline valve is located in high altitude, underground or narrow space. The whole opening and closing process is safe, simple and fast, and saves operation time.
[0047] The outer side of the main shaft right section 503 is provided with a remote monitoring assembly 3, which includes a support shell 302. The inner part of the support shell 302 is provided with a rotating shaft 12 and a switch 14. One end of the rotating shaft 12 is fixedly connected with the main shaft right section 503 in an axial direction. The main shaft 5 can drive the rotating shaft 12 to rotate synchronously in forward and reverse directions. When the rotating shaft 12 rotates in forward and reverse directions, the other end of the rotating shaft 12 can control the switch 14 to be turned on and off. The turning on and off of the switch 14 corresponds to the opening and closing of the pipeline valve. The other end of the switch 14 is connected with a monitoring device. The opening and closing state of the pipeline valve can be checked in real time through the monitoring device. The monitoring device can be located inside or outside the support shell 302.
[0048] A connecting plate 4 is arranged between the support shell 302 and the rotating support shaft sleeve 6 of the main shaft right section 503. The support shell 302 and the rotating support shaft sleeve 6 are fixedly connected through the connecting plate 4, so as to realize the fixed installation of the remote monitoring assembly 3.
[0049] A visible window 301 is arranged at the front end of the support shell 302. The visible window 301 is a transparent window. A hole is arranged at the rear end of the support shell 302. The rear part of the rotating shaft 12 is located outside the support shell 302. The rear part of the rotating shaft 12 penetrates through the hole and is fixedly connected with the main shaft right section 503 in an axial direction. The front part of the rotating shaft 12 is located inside the support shell 302. An eccentric wheel 13 is fixedly arranged on the front part of the rotating shaft 12. The number of the eccentric wheels 13 is two. The two eccentric wheels 13 are fixedly arranged adjacent to each other on the rotating shaft 12. The two eccentric wheels 13 are arranged perpendicularly in a circumferential direction. The number of the switches 14 is two. The two switches 14 are located at one side of the two eccentric wheels 13 respectively. When the two eccentric wheels 13 rotate in forward and reverse directions, the two switches 14 can be controlled to be turned on and off respectively. The switch 14 can be a limit switch, a light-sensitive switch or other switches with on-off function.
[0050] The monitoring device comprises light-emitting diodes, the light-emitting diodes are located inside the support shell 302 close to the visual window 301, the number of the light-emitting diodes is two, the two light-emitting diodes are electrically connected with the two switches 14 respectively, the two light-emitting diodes can respectively emit light of different colors, in the patent, the colors of the two light-emitting diodes are red and green respectively, in actual use, other colors of light-emitting diodes can be selected according to the specific circumstances of the use site.
[0051] According to the specific structure of the switch 14, in the patent, the switch 14 is a limit switch, in actual operation, when the operator needs to maintain or maintain, first, the hydraulic control main shaft 5 rotates 90 degrees in the positive direction, the main shaft 5 rotates 90 degrees in the positive direction at the same time to drive the pipeline valve, the rotating shaft 12 and the two eccentric wheels 13 to rotate 90 degrees in the positive direction, since the two eccentric wheels 13 are vertically arranged along the circumferential direction, when one of the eccentric wheels 13 triggers the limit switch at the corresponding position, the limit switch is connected, and the light-emitting diode connected with the limit switch is turned on at the same time, the pipeline valve is in the closed state, at this time, the other eccentric wheel 13 is located at one side of the limit switch at the corresponding position, the limit switch remains disconnected, and the light-emitting diode connected with the limit switch maintains the off state, since the light-emitting diode is located inside the support shell 302 close to the visual window 301, the operator can quickly see the light-emitting diode turn on the red light through the visual window 301, and then smoothly carry out the pipeline maintenance work, without manually confirming whether the valve is closed, the whole process is convenient and fast, saves the maintenance time under the premise of ensuring safety.
[0052] When the maintenance is completed, the hydraulic control main shaft 5 reversely rotates 90 degrees, the main shaft 5 reversely rotates 90 degrees at the same time to drive the pipeline valve, the rotating shaft 12 and the two eccentric wheels 13 to reversely rotate 90 degrees, the eccentric wheel 13 corresponding to the red light-emitting diode rotates to release the limit switch at the corresponding position, the limit switch is disconnected, and the red light-emitting diode is extinguished, at this time, the other eccentric wheel 13 triggers the limit switch at the corresponding position, the limit switch is connected, and the light-emitting diode connected with the limit switch is turned on at the same time, the pipeline valve is in the open state, at this time, the operator can quickly see the light-emitting diode turn on the green light through the visual window 301, and maintain normal medium transmission.
[0053] According to the actual use requirement, the valve switch display plate 305 can also be used on the monitoring device to display the on-off state of the valve, the specific structure is as follows:
[0054] According to Figure 2As can be seen, the shape of the visual window 301 is circular, and the inner side of the visual window 301 is adjacent to the shielding plate 304, the shielding plate 304 uses an opaque material, and in this patent, a black opaque material is used, the shape of the shielding plate 304 is a fan shape, the size of the fan-shaped shielding plate 304 is 1 / 4 of the size of the circular visual window 301, the number of shielding plates 304 is two, and the two shielding plates 304 are oppositely arranged, and the two sides of the shielding plate 304 form two fan-shaped notches.
[0055] The inner side of the shielding plate 304 is adjacent to the valve switch display plate 305, according to Figure 10 As can be seen, the shape of the valve switch display plate 305 is circular, and the circular valve switch display plate 305 is divided into four equal fan shapes, and the opposite group of fan surfaces respectively have OPEN and CLOSED written thereon.
[0056] The center position of the valve switch display plate 305 is fixedly connected with the front end position of the rotating shaft 12, and the rotating shaft 12 can synchronously drive the valve switch display plate 305 to realize forward and reverse 90-degree rotation, when the operator needs to maintain or maintain, the main shaft 5 and the rotating shaft 12 are synchronously rotated by 90 degrees in the forward direction, the opposite fan surface with the CLOSED word on the valve switch display plate 305 is rotated to the position of the two fan-shaped notches of the shielding plate 304, and the operator can directly see the CLOSED letter through the visual window 301, which indicates that the valve has been closed and maintenance work can be performed, when the maintenance is completed, the main shaft 5 and the rotating shaft 12 are synchronously rotated by 90 degrees in the reverse direction, and the opposite fan surface with the OPEN word on the valve switch display plate 305 is rotated to the position of the two fan-shaped notches of the shielding plate 304, which indicates that the valve has been opened and normal medium transmission is maintained.
[0057] In order to more quickly and accurately confirm the opening and closing of the valve, in this patent, the colors of the fan surfaces corresponding to OPEN and CLOSED are yellow and red respectively, and through the color differentiation, the opening and closing state of the valve can be more quickly and accurately confirmed, which is more intuitive and convenient, and improves the work efficiency.
[0058] The connecting plate 4 is composed of a first connecting section 402 and a second connecting section 403, the first connecting section 402 is located at the middle position of the connecting plate 4, the second connecting section 403 is located at the two side positions of the first connecting section 402, the first connecting section 402 is axially fixedly connected with the rear end position of the supporting shell 302, and the second connecting section 403 is axially fixedly connected with the rotating support shaft sleeve 6 on one side of the main shaft right section 503, the middle position of the first connecting section 402 is provided with a third through hole 401, the third through hole 401 is located at the axially symmetrical position of the hole at the rear end position of the supporting shell 302, and the rear section of the rotating shaft 12 passes through the hole at the rear end position of the supporting shell 302 and the third through hole 401 in sequence and is axially fixedly connected with the main shaft right section 503.
[0059] For the specific connection mode of the connecting plate 4, in this patent, the first connecting section 402 is axially locked between the rear end position of the support shell 302 by the screw 7, and the second connecting section 403 is axially locked between the rotating support sleeve 6 on one side of the main shaft right section 503 by the screw 7, which can realize the quick disassembly of the support shell 302, and facilitate the disassembly and maintenance of the remote monitoring assembly 3.
[0060] The monitoring device further comprises a central control screen, which is located outside the support shell 302, and the support shell 302 is provided with an internal and external lead hole 303, one end of the two switches 14 is respectively connected with a signal line, the other end of the signal line is connected with the central control screen through the lead hole 303, and the opening and closing state of the pipeline valve can be remotely monitored through the display picture of the central control screen. The central control screen can also be connected with warning devices such as buzzers and indicator lights. Through the combination of the warning device and the central control screen, the opening and closing state of the pipeline valve can be remotely monitored more quickly and intuitively.
[0061] The left end of the outer shell 1 is provided with a fixed support plate 2, which is axially fixedly connected with the left end of the outer shell 1, and the fixed support plate 2 is provided with a first through hole 201, which is located at the axially symmetrical position of the positioning hole 50101. The fixed support plate 2 is provided with a plurality of second through holes 202, and the second through holes 202 are provided with screws 7. The rear section of the screw rod of the screw 7 is located outside the fixed support plate 2. The oil cylinder and the shell outside the pipeline valve are fixedly connected through the screw 7, and the oil cylinder and the pipeline valve are integrally connected around the oil cylinder, so as to ensure the accuracy and stability of the rotation of the main shaft 5.
[0062] The leftmost position of the outer circumference of the outer shell 1 is fixedly provided with a reinforcing support ring 101, and the fixed support plate 2 is axially fixedly connected with the reinforcing support ring 101. The fixed support plate 2 and the reinforcing support ring 101 are axially locked by screws, which can realize the quick disassembly of the oil cylinder, facilitate the disassembly and maintenance of the oil cylinder, and do not need to disassemble the fixed support plate 2, which can ensure the consistency of the positioning hole 50101 and the connection position of the pipeline valve before and after the disassembly of the oil cylinder.
[0063] The inner side end face of the reinforcing support ring 101 and the adjacent position of the outer circumference of the outer shell 1 are transitioned by an arc. Since the left side position of the outer shell 1 is the main stress point during the rotation control of the pipeline valve opening and closing process, the arc transition can increase the impact resistance of the left side position of the outer shell 1, avoid the deformation of the outer shell 1 under long-time rotation impact, and improve the service life of the oil cylinder as a whole.
[0064] For the specific rotation connection mode of the main shaft 5 and the rotation support shaft sleeve 6, in the patent, recesses are respectively arranged on the inner circumferences of the two rotation support shaft sleeves 6, bearings 8 are respectively arranged in the two recesses, the bearing outer rings of the two bearings 8 are respectively fixedly connected with the inner circumferences of the two rotation support shaft sleeves 6, the bearing inner rings of the two bearings 8 are respectively fixedly connected with the outer circumferences of the main shaft left segment 501 and the main shaft right segment 503, and the main shaft left segment 501 and the main shaft right segment 503 are respectively rotationally supported through the bearings 8 between the two rotation support shaft sleeves 6.
[0065] Due to the stability of the bearing 8 itself and the smoothness of rotation, by installing the bearing 8 between the main shaft 5 and the rotation support shaft sleeve 6, the accuracy and smoothness of the rotation of the main shaft 5 can be improved, so that the reliability of the main shaft 5 in controlling the opening and closing process of the pipeline valve can be further improved.
[0066] The above is only a specific embodiment of the utility model, and cannot limit the scope of the utility model. The replacement of equivalent components or equivalent changes and modifications made within the scope of the utility model patent protection should still be within the scope of the utility model claims.
Claims
1. A swing cylinder for a pipeline valve with remote monitoring means, characterised in that: The outer shell is a hollow structure, the inside of the outer shell is provided with a main shaft, the main shaft is composed of a main shaft left segment, a main shaft middle segment and a main shaft right segment, the main shaft left segment is located at the left side of the inside of the outer shell, and the main shaft right segment is located at the right side of the inside of the outer shell; The outer circumferences of the main shaft left segment and the main shaft right segment are respectively provided with rotating support shaft sleeves, the outer circumferences of the two rotating support shaft sleeves are respectively sealingly and fixedly connected with the left and right side positions of the inner circumference of the outer shell, and the inner circumferences of the two rotating support shaft sleeves are respectively rotationally and sealingly connected with the outer circumferences of the main shaft left segment and the main shaft right segment; The inside of the main shaft left segment is provided with a positioning hole, the positioning hole axially penetrates to the left side outside of the main shaft left segment, the positioning hole can be fixedly connected with a pipeline valve, and the opening and closing of the pipeline valve can be realized through the forward and reverse rotation of the main shaft; The outer side of the main shaft right segment is provided with a remote monitoring assembly, the remote monitoring assembly comprises a support shell, the inside of the support shell is provided with a rotating shaft and a switch, one end of the rotating shaft is fixedly connected with the main shaft right segment in an axial direction, the main shaft can drive the rotating shaft to synchronously rotate forward and reversely, the other end of the rotating shaft can control the switch to be turned on and turned off while the rotating shaft rotates forward and reversely, the other end of the switch is connected with a monitoring device, and the opening and closing state of the pipeline valve can be viewed in real time through the monitoring device.
2. The swing cylinder for a pipeline valve with remote monitoring device according to claim 1, characterized in that: The support shell and the rotating support shaft sleeve of the main shaft right segment are provided with a connecting plate, and the support shell and the rotating support shaft sleeve are fixedly connected through the connecting plate; The front end position of the support shell is provided with a visible window, the visible window is a transparent window, the rear end position of the support shell is provided with a hole, the rear segment of the rotating shaft is located outside the support shell, the rear segment of the rotating shaft is fixedly connected with the main shaft right segment in an axial direction through the hole, the front segment of the rotating shaft is located inside the support shell, the front segment of the rotating shaft is fixedly provided with eccentric wheels, the number of the eccentric wheels is two, and the two eccentric wheels are adjacently distributed on the rotating shaft; The two eccentric wheels are vertically arranged in a circumferential direction; The number of the switches is two, and the two switches are located at one side of the two eccentric wheels respectively, and the two eccentric wheels can control the corresponding switches to be turned on and turned off respectively when rotating forward and reversely; The monitoring device comprises light-emitting diodes, the light-emitting diodes are located at positions close to the visible window inside the support shell, the number of the light-emitting diodes is two, the two light-emitting diodes are electrically connected with the two switches respectively, and the two light-emitting diodes can respectively emit light of different colors.
3. The swing cylinder for a pipeline valve with remote monitoring device according to claim 2, characterized in that: The monitoring device further comprises a central control screen, the central control screen is located outside the support shell, the support shell is provided with a lead hole penetrating in and out, one end of the two switches is respectively connected with a signal line, and the other end of the signal line is electrically connected with the central control screen through the lead hole.
4. The swing cylinder for a pipeline valve with remote monitoring device according to claim 2, characterized in that: The connecting plate is composed of a first connecting section and a second connecting section, the first connecting section is located at the middle position of the connecting plate, the second connecting section is located at the position on both sides of the first connecting section, the first connecting section is axially fixedly connected with the rear end position of the supporting shell, and the second connecting section is axially fixedly connected with the rotating support sleeve on one side of the right section of the main shaft. The middle position of the first connecting section is provided with a third through hole, the third through hole is located at the axially symmetrical position of the hole of the rear end position of the supporting shell, and the rear section of the rotating shaft is axially fixedly connected with the right section of the main shaft in sequence through the hole of the rear end position of the supporting shell and the third through hole.
5. The swing cylinder for a pipeline valve with remote monitoring device according to claim 4, characterized in that: The first connecting section and the rear end position of the supporting shell are axially locked through screws. The second connecting section and the rotating support sleeve on one side of the right section of the main shaft are axially locked through screws.
6. The swing cylinder for a pipeline valve with remote monitoring device according to claim 1, characterized in that: The left end of the outer shell is provided with a fixed support plate, the fixed support plate is axially fixedly connected with the left end of the outer shell, and the fixed support plate is provided with a first through hole located at the axially symmetrical position of the positioning hole. The fixed support plate is provided with a plurality of second through holes, and the second through holes are provided with screws, and the rear section of the screw rod of the screw is located outside the fixed support plate.
7. The swing cylinder for a pipeline valve with remote monitoring device according to claim 6, characterized in that: The leftmost position of the outer circumference of the outer shell is fixedly provided with a reinforcing support ring, and the fixed support plate is axially fixedly connected with the reinforcing support ring.
8. The swing cylinder for a pipeline valve with remote monitoring device according to claim 7, characterized in that: The fixed support plate and the reinforcing support ring are axially locked through screws.
9. The swing cylinder for a pipeline valve with remote monitoring device according to claim 8, characterized in that: The inner side end face of the reinforcing support ring and the adjacent position of the outer circumference of the outer shell are transitioned through an arc.
10. The swing cylinder for a pipeline valve with remote monitoring device according to any one of claims 1-9, characterized in that: The inner circumferences of the two rotating support sleeves are respectively provided with grooves, the two grooves are respectively provided with bearings, the bearing outer rings of the two bearings are respectively fixedly connected with the inner circumferences of the two rotating support sleeves, the bearing inner rings of the two bearings are respectively fixedly connected with the outer circumferences of the left section of the main shaft and the right section of the main shaft, and the left section of the main shaft and the right section of the main shaft are respectively rotatably supported through the bearings between the two rotating support sleeves.