CN107732811B - Quick-separating cable protective sleeve device with position compensation - Google Patents

Quick-separating cable protective sleeve device with position compensation Download PDF

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Publication number
CN107732811B
CN107732811B CN201711044631.3A CN201711044631A CN107732811B CN 107732811 B CN107732811 B CN 107732811B CN 201711044631 A CN201711044631 A CN 201711044631A CN 107732811 B CN107732811 B CN 107732811B
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CN
China
Prior art keywords
sealing
telescopic rod
shaped ring
ring groove
telescopic
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CN201711044631.3A
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CN107732811A (en
Inventor
丘铭军
艾春璇
陈国防
彭立广
雷丛卉
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China National Heavy Machinery Research Institute Co Ltd
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China National Heavy Machinery Research Institute Co Ltd
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Priority to CN201711044631.3A priority Critical patent/CN107732811B/en
Publication of CN107732811A publication Critical patent/CN107732811A/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462Tubings, i.e. having a closed section
    • H02G3/0481Tubings, i.e. having a closed section with a circular cross-section
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/06Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/06Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0616Joints for connecting tubing to casing

Abstract

The invention discloses a quick-separating cable protective sleeve device with position compensation, which comprises a fixed connector body, a sealing ring, a tightening wire, a left connector body, a left fixed block, a telescopic sleeve, a right fixed block, a left telescopic rod and a connecting telescopic block. The fixed connector body and the left connector body can rotate by 360 degrees, the telescopic rod and the telescopic sleeve can slide along the X direction, and the telescopic rod and the connecting telescopic block can slide along the Y direction. The quick-separating cable protective sleeve device with position compensation can spatially compensate errors caused by processing and installation, and ensure that hydraulic components are in a reliable closed cavity; the cable protection sleeve device adopts a separable structural form at a right angle to realize the function of quickly separating the displacement sensor cable. The invention has the advantages of realizing the functions of compensating errors in any direction and rapidly separating the cable with the plug, along with short cable disassembling time, strong installation adaptability, convenient disassembly and simple maintenance.

Description

Quick-separating cable protective sleeve device with position compensation
Technical Field
The invention belongs to the technical field of continuous casting of steel, and relates to a quick-separation type cable protective sleeve device with position compensation.
Background
In the continuous casting field of steel, the vibration unit body connected with the crystallizer vibration servo hydraulic cylinder device works in a high-temperature and high-humidity sealing chamber, in order to protect a servo valve, a pressure sensor and a displacement sensor which are arranged on the servo hydraulic cylinder device, the components and parts can reliably work, the servo valve, the pressure sensor, the displacement sensor and cables thereof are sealed, compressed air is introduced into the sealing space, the pressure in the sealing space is always higher than the external high-temperature and high-humidity environment pressure, meanwhile, the compressed air can take away the heat in the sealing space, the temperature of each electronic component is cooled, and the reliable work of each electronic component is ensured, so the crystallizer vibration servo hydraulic cylinder device and the cable protection device have better sealing performance to meet the requirements of the working conditions.
Because the crystallizer vibration unit body often needs whole maintenance of taking off line, and the electrical connection terminal box that connects the crystallizer vibration servo hydraulic cylinder device through the cable is installed outside keeping away from the sealed chamber of vibration unit body generally, in order to make things convenient for quick dismantlement unit body and shorten maintenance time, above-mentioned cable need realize quick separation with servo valve, pressure sensor, displacement sensor when the maintenance of unit body is taken off line. The prior crystallizer vibration servo hydraulic cylinder device has a specific structure, and a valve device is fixed on the servo hydraulic cylinder; the servo valve, the pressure sensor and the corresponding cables are arranged in the valve device and the valve protection cover, the displacement sensor is arranged in the displacement sensor protection cover at the bottom of the valve device, one end of the displacement sensor cable is welded on the displacement sensor plug, the other end of the displacement sensor cable is connected with the electric terminal plug, the cables between the two ends are respectively connected through a steel pipe for protecting the cables, the valve device, the valve protection cover and the cable protection pipe, wherein all the connecting parts are connected through joints, the bending radius of the steel pipe and the bending radius of the cable protection pipe are limited due to the limitation of the installation size space, the displacement sensor cable fixed with the displacement sensor plug cannot be taken out from the steel pipe during the offline maintenance of the unit body, the whole cable is taken out after the joint is taken out, and the whole cable is taken out after the joint is taken out. Meanwhile, the servo hydraulic cylinder is usually required to be maintained or replaced when the crystallizer vibration servo hydraulic cylinder device is maintained, and the joint for connecting the steel pipe is difficult to accurately butt joint the valve device and the displacement sensor protective cover due to processing, manufacturing, installation errors and the like, so that the steel pipe is required to be adaptively modified during each maintenance, and the maintenance time is long and the operation is difficult.
Disclosure of Invention
The invention aims to provide a quick-separation type cable protection sleeve device with position compensation, which solves the problems that a crystallizer vibration servo hydraulic cylinder device connected with a crystallizer frequently needs overall offline maintenance, and when the unit body is offline maintenance, the cable of a servo valve, a pressure sensor and a displacement sensor is difficult to detach and reconnect, and time and labor are wasted.
The technical scheme adopted by the invention is that the novel sealing joint comprises a fixed joint body, wherein a central hole is formed in the fixed joint body, a sealing end face O-shaped ring groove of the fixed joint body is formed in the sealing end face of one end of the fixed joint body, a sealing end face sealing ring of the fixed joint body is arranged in the sealing end face O-shaped ring groove of the fixed joint body, a fixed joint body groove is formed in the middle of the fixed joint body, an external sealing conical surface O-shaped ring groove of the fixed joint body is formed in an external sealing conical surface of the other end of the fixed joint body, and an external sealing conical surface sealing ring of the fixed joint body is arranged in the O-shaped ring groove of the external sealing conical surface of the fixed joint body;
the inner wall of one end of the nut is provided with a nut groove and a through hole, the through hole is communicated with the nut groove, when one end of the nut is connected with one end of the fixed joint body, the positions of the nut groove and the fixed joint body groove correspond to each other, and the tightening wire is completely inserted into the through hole of the nut;
one end of the left connecting body is provided with an external thread and an internal sealing conical surface, the other end of the nut is connected with the external thread at one end of the left connecting body through the internal thread, and meanwhile, the external sealing conical surface at the other end of the fixed joint body is matched with the internal sealing conical surface at one end of the left connecting body, and the fixed joint body is sealed through an external sealing conical surface sealing ring;
the inside of the left connecting body is provided with a central hole, the lower inclined surface at the other end of the left connecting body is fixed on the left inclined surface at one end of the left fixed block by a screw, the lower inclined surface of the left connecting body is provided with a left connecting body O-shaped ring groove, and the left connecting body O-shaped ring groove is internally provided with a left connecting body O-shaped sealing ring;
the left fixing block is internally provided with a center hole, the other end of the left fixing block is connected with an external thread at one end of a left telescopic rod through an internal thread, the left telescopic rod is internally provided with a center hole, a sealing end face of one end of the left telescopic rod is provided with a left telescopic rod end face O-shaped ring groove, a left telescopic rod end face O-shaped ring groove sealing ring is arranged in the left telescopic rod end face O-shaped ring groove, a sliding surface of the other end of the left telescopic rod is provided with a left telescopic rod sliding surface O-shaped ring groove, and a left telescopic rod sliding surface O-shaped ring groove sealing ring is arranged in the left telescopic rod sliding surface O-shaped ring groove;
the telescopic sleeve is internally provided with a central hole, one end of the telescopic sleeve is provided with a telescopic sleeve sliding groove, and the sliding surface of the left telescopic rod is arranged in the telescopic sleeve sliding groove and can slide;
the inside of the right fixed block is provided with a central hole, the lower inclined surface of one end of the right fixed block is fixed on the right inclined surface of the other end of the telescopic sleeve by a screw, the lower inclined surface of the right fixed block is provided with a right fixed block O-shaped ring groove, and a right fixed block O-shaped sealing ring is arranged in the right fixed block O-shaped ring groove;
the inside of the right telescopic rod is provided with a center hole, one end of the right telescopic rod is provided with an external thread and a sealing end face, the sealing end face of one end of the right telescopic rod is provided with a right telescopic rod sealing end face O-shaped ring groove, the sealing end face O-shaped ring groove of the right telescopic rod is provided with a sealing ring of the sealing end face O-shaped ring groove of the right telescopic rod, and the other end of the right fixed block is connected with the external thread of one end of the right telescopic rod through an internal thread; the sliding surface at the other end of the right telescopic rod is provided with a right telescopic rod sliding surface O-shaped ring groove;
the inside centre bore that is provided with of connection telescopic link, connection telescopic link one end is equipped with connection telescopic link sliding tray, and the sliding surface setting of right telescopic link other end can slide in connection telescopic link sliding tray, and the connection telescopic link other end is equipped with sealed end, is provided with the O type circle groove of connection telescopic link sealed end on sealed end, is provided with the O type sealing washer of connection telescopic link sealed end in the O type circle groove of connection telescopic link sealed end.
Further, the fixed joint body can realize 360 degrees of rotations with the left connecting body.
Further, the right telescopic rod and the connecting telescopic block can rotate relatively through the sliding groove of the connecting telescopic block.
Further, the size of the center hole is larger than the maximum outer diameter of the plug.
The invention has the advantages of realizing the functions of compensating errors in any direction and rapidly separating the cable with the plug, along with short cable disassembling time, strong installation adaptability, convenient disassembly and simple maintenance.
Drawings
FIG. 1 is a schematic view of a quick disconnect cable protective jacket assembly with position compensation according to the present invention;
fig. 2 is a cross-sectional view of the quick disconnect cable protective sheath device with position compensation of the present invention;
FIG. 3 is a schematic view of the coupling of the fixed joint body with the nut;
FIG. 4 is a schematic diagram of a complete set of crystallizer vibration servo hydraulic cylinder apparatus with position compensated quick disconnect cable sheath apparatus;
FIG. 5 is a schematic view of an electrical terminal plug connected by a cable;
FIG. 6 is a schematic structural view of a complete set of crystallizer vibration servo hydraulic cylinder devices;
fig. 7 is a cross-sectional view of a vibratory servo cylinder unit of a complete set of mold.
In the figure, the fixed joint body is 1, the fixed joint body sealing end face O-shaped ring groove is 102, the fixed joint body groove is 103, the fixed joint body is provided with a sealing conical surface O-shaped ring groove, 2, a nut is 201, a nut groove is 202, a through hole is 203, a tightening wire is 3, the left connecting body is 301, the left connecting body O-shaped ring groove is 4, the left fixing block is 5, the left telescopic rod is 501, the left telescopic rod end face O-shaped ring groove is 502, the left telescopic rod sliding face O-shaped ring groove is 6, the telescopic sleeve is 601, the telescopic sleeve sliding groove is 7, the right fixing block is 701, the right fixing block O-shaped ring groove is 8, the right telescopic rod is 801, the right telescopic rod sealing end face O-shaped ring groove is 802, the right telescopic rod sliding face O-shaped ring groove is 9, the connecting telescopic block is 901, the connecting telescopic block sliding groove is 902, the sealing end O-shaped ring groove of the connecting telescopic block is 10, the plug is 11, the servo hydraulic cylinder device is 12, the displacement sensor is 13, the valve device is 14, the cable protection cover is 15, the cable protection cover is 16, the cable protection cover is 17, the cable connection seat is 18, the servo terminal is 18, and the displacement sensor is 20.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
As shown in fig. 1 to 4, a central hole is formed in a fixed joint body 1, a fixed joint body sealing end face O-ring groove 101 is formed in a sealing end face at one end of the fixed joint body 1, a fixed joint body sealing end face sealing ring is arranged in the fixed joint body sealing end face O-ring groove 101, a fixed joint body groove 102 is formed in the middle of the fixed joint body 1, a fixed joint body external sealing conical surface O-ring groove 103 is formed in an external sealing conical surface at the other end of the fixed joint body 1, and a fixed joint body external sealing conical surface sealing ring is arranged in the fixed joint body external sealing conical surface O-ring groove 103;
the inner wall of one end of the nut 2 is provided with a nut groove 201 and a through hole 202, the through hole 202 is communicated with the nut groove 201, and when one end of the nut 2 is connected with one end of the fixed joint body 1, the positions of the nut groove 201 and the fixed joint body groove 102 correspond to each other, and the tightening wire 203 is completely inserted from the through hole 202 of the nut 2.
One end of the left connecting body 3 is provided with an external thread and an internal sealing conical surface, the other end of the nut 2 is connected with the external thread at one end of the left connecting body 3 through the internal thread, meanwhile, the external sealing conical surface at the other end of the fixed joint body 1 is matched with the internal sealing conical surface at one end of the left connecting body 3, the fixed joint body 1 can rotate at an angle of phi 360 degrees with the left connecting body 3 through the sealing ring of the external sealing conical surface of the fixed joint body.
The inside of the left connector 3 is provided with a central hole, the lower inclined surface at the other end of the left connector 3 is fixed on the left inclined surface at one end of the left fixed block 4 by a screw, the lower inclined surface of the left connector 3 is provided with a left connector O-shaped ring groove 301, and a left connector O-shaped sealing ring is arranged in the left connector O-shaped ring groove 301;
the left fixed block 4 is internally provided with a center hole, the other end of the left fixed block 4 is connected with the external thread at one end of the left telescopic rod 5 through the internal thread, the left telescopic rod 5 is internally provided with the center hole, the sealing end face of one end of the left telescopic rod 5 is provided with a left telescopic rod end face O-shaped ring groove 501, the left telescopic rod end face O-shaped ring groove 501 is provided with a left telescopic rod end face O-shaped ring groove sealing ring, the sliding surface at the other end of the left telescopic rod 5 is provided with a left telescopic rod sliding surface O-shaped ring groove 502, and the left telescopic rod sliding surface O-shaped ring groove sealing ring is arranged in the left telescopic rod sliding surface O-shaped ring groove 502;
a central hole is formed in the telescopic sleeve 6, a telescopic sleeve sliding groove 601 is formed in one end of the telescopic sleeve 6, and a sliding surface of the left telescopic rod 5 is arranged in the telescopic sleeve sliding groove 601 and can slide;
a central hole is arranged in the right fixed block 7, the lower inclined surface at one end of the right fixed block 7 is fixed on the right inclined surface at the other end of the telescopic sleeve 6 by a screw, a right fixed block O-shaped ring groove 701 is arranged on the lower inclined surface of the right fixed block 7, a right fixed block O-shaped sealing ring is arranged in the right fixed block O-shaped ring groove 701,
a central hole is formed in the right telescopic rod 8, an external thread and a sealing end face are formed in one end of the right telescopic rod 8, a right telescopic rod sealing end face O-shaped ring groove 801 is formed in the sealing end face O-shaped ring groove 801 of the right telescopic rod, a right telescopic rod sealing end face O-shaped ring groove sealing ring is formed in the sealing end face O-shaped ring groove 801 of the right telescopic rod, and the other end of the right fixing block 7 is connected with the external thread of one end of the right telescopic rod 8 through an internal thread; the sliding surface at the other end of the right telescopic rod 8 is provided with a right telescopic rod sliding surface O-shaped ring groove 802;
the inside centre bore that is provided with of connection telescopic brick 9, connection telescopic brick 9 one end is equipped with connection telescopic brick sliding tray 901, and the sliding surface setting of right telescopic link 8 other end can slide in connection telescopic brick sliding tray 901, and right telescopic link 8 can realize relative rotation through connection telescopic brick sliding tray 901 with connection telescopic brick 9. The other end of the connecting telescopic block 9 is provided with a sealing end, the sealing end is provided with a connecting telescopic block sealing end O-shaped ring groove 902, and the connecting telescopic block sealing end O-shaped ring groove 902 is provided with a connecting telescopic block sealing end O-shaped sealing ring.
As shown in fig. 5 to 7, the valve device 13 is mounted on the servo cylinder device 11, the fixed joint body 1 is coupled to the displacement sensor protecting cover 12, the connection expansion block 9 is fixed on the valve device 13, one end of the cable protecting tube 14 is coupled to the cable connecting seat 16 fixed on the valve protecting cover 15, and the other end of the cable protecting tube 14 is coupled to the electrical terminal plug 17. The servo hydraulic cylinder device 11, the valve device 13, the quick-separation type cable protection sleeve device with position compensation, the valve protection cover 15, the cable protection pipe 14 and the electric terminal plug 17 form a closed cavity, compressed air is filled in the closed cavity, the pressure in the closed cavity is ensured to be higher than the environmental pressure of external high temperature and high humidity, the high temperature and high humidity gas is prevented from entering the closed cavity, the accident that components such as a servo valve, a pressure sensor and a displacement sensor work unstably is avoided, meanwhile, the flowing compressed air can reduce the environmental temperature when the components such as the servo valve, the pressure sensor and the displacement sensor work, and the reliability of the system work is improved.
The cable of the servo valve 18 and the cable of the pressure sensor 19 are connected with the electric terminal plug 17 through the cable connecting seat 16 and the cable protecting tube 14; the plug 10 is welded at one end of a cable of the displacement sensor 20, and the other end of the cable sequentially passes through the fixed connector body 1, the left connector body 3, the left fixed block 4, the left telescopic rod 5, the telescopic sleeve 6, the right fixed block 7, the right telescopic rod 8, the connecting telescopic block 9, the valve device 13, the cable connecting seat 16 and the cable protecting tube 14 by the displacement sensor protecting cover 12 to be connected with the electric terminal plug 17.
The sealing ring of each component in the invention has the function of isolating the closed cavity from the high-temperature and high-humidity external environment. The size of the center hole of each component of the present invention is greater than the maximum outer diameter of the plug 10.
The installation method and the working principle of the invention are as follows:
the valve device 13 is fixed on the servo hydraulic cylinder device 11, and the fixed joint body 1 is connected with the displacement sensor protection cover 12; the angle between the fixed connector 1 and the left connector 3 is properly adjusted; the relative positions of the telescopic sleeve 6 and the left telescopic rod 5 are properly moved, so that the sliding surface of the left telescopic rod 5 slides in the X direction in the telescopic sleeve sliding groove 601 of the telescopic sleeve 6; the relative positions of the connecting telescopic block 9 and the right telescopic rod 8 are properly adjusted, so that the sliding surface of the right telescopic rod 8 slides in the Y direction in the connecting telescopic block sliding groove 901 of the connecting telescopic block 9, and the relative angles of the connecting telescopic block 9 can be simultaneously adjusted and connected with the valve device 13 because the right telescopic rod 8 and the connecting telescopic block 9 can realize relative rotation through the connecting telescopic block sliding groove 901. The cable protective sleeve device of the invention can realize reliable connection through error compensation in any direction (phi angle, X direction and Y direction) for any servo hydraulic cylinder device 11 and valve device 13.
When it is necessary to install the cable on line, one end of the cable of the servo valve 18, the cable of the pressure sensor 19, the cable of the displacement sensor 20 welded with the plug 10 is coupled with the electrical terminal plug 17 and enters the valve device 13 through the cable protection tube 14, the cable connection seat 16, respectively. The screw connected with the telescopic sleeve 6 and the screw connected with the left connecting body 3 and the left fixing block 4 in the right fixing block 7 are disassembled, the cable welded with the plug 10 passes through the connecting telescopic block 9, the right telescopic rod 8, the right fixing block 7, the disassembled telescopic sleeve 6, the left telescopic rod 5, the left fixing block 4, the disassembled left connecting body 3 and the fixed connector body 1 and then enters the displacement sensor protective cover 12, and finally the screw connected with the telescopic sleeve 6 and the screw connected with the left connecting body 3 and the left fixing block 4 of the right fixing block 7 are installed, so that the rapid installation of the displacement sensor cable is realized.
When the cables are required to be disassembled and separated on line, the screws of the right fixing block 7 and the telescopic sleeve 6 and the screws of the left connecting body 3 and the left fixing block 4 are disassembled firstly, the cables welded with the plugs 10 penetrate through the fixed connector body 1, the left connecting body 3, the disassembled left fixing block 4, the left telescopic rod 5, the telescopic sleeve 6, the disassembled right fixing block 7, the right telescopic rod, the connected telescopic block 9 and the valve device 13 in the displacement sensor protective cover 12, the cables of the disassembly servo valve 18 and the cables of the pressure sensor 19 are taken out from the cable connecting seat 16 together with the cables with the plugs 10, and the quick separation of the cables together with the cable protective pipe 14 and the electric terminal plugs 17 is realized.
The quick-separating cable protective sleeve device with position compensation can spatially compensate errors caused by processing and installation, improves the installation precision and ensures that hydraulic components are in a reliable closed cavity; the cable protection sleeve device adopts a separable structural style at a right angle to realize the function of quickly separating the displacement sensor cable. The invention has the advantages of position compensation in any direction, good sealing effect, simple operation, convenient maintenance, short cable disassembly time and the like.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the invention in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention falls within the scope of the technical solution of the present invention.

Claims (3)

1. A take position compensation's quick disconnect-type cable protective sheath device which characterized in that: the sealing device comprises a fixed joint body (1), wherein a central hole is formed in the fixed joint body (1), a fixed joint body sealing end face O-shaped ring groove (101) is formed in the sealing end face of one end of the fixed joint body (1), a fixed joint body sealing end face sealing ring is arranged in the fixed joint body sealing end face O-shaped ring groove (101), a fixed joint body groove (102) is formed in the middle of the fixed joint body (1), a fixed joint body external sealing conical surface O-shaped ring groove (103) is formed in an external sealing conical surface of the other end of the fixed joint body (1), and a fixed joint body external sealing conical surface sealing ring is arranged in the fixed joint body external sealing conical surface O-shaped ring groove (103);
the inner wall of one end of the nut (2) is provided with a nut groove (201) and a through hole (202), the through hole (202) is communicated with the nut groove (201), when one end of the nut (2) is connected with one end of the fixed joint body (1), the positions of the nut groove (201) and the fixed joint body groove (102) correspond to each other, and the tightening wire (203) is completely inserted into the through hole (202) of the nut (2);
one end of the left connecting body (3) is provided with an external thread and an internal sealing conical surface, the other end of the nut (2) is connected with the external thread at one end of the left connecting body (3) through the internal thread, and meanwhile, the external sealing conical surface at the other end of the fixed joint body (1) is matched with the internal sealing conical surface at one end of the left connecting body (3) and is sealed through a fixed joint body external sealing conical surface sealing ring;
a central hole is formed in the left connecting body (3), a lower inclined surface at the other end of the left connecting body (3) is fixed on a left inclined surface at one end of the left fixed block (4) by a screw, a left connecting body O-shaped ring groove (301) is formed in the lower inclined surface of the left connecting body (3), and a left connecting body O-shaped sealing ring is arranged in the left connecting body O-shaped ring groove (301);
the left fixing block (4) is internally provided with a center hole, the other end of the left fixing block (4) is connected with an external thread at one end of a left telescopic rod (5) through an internal thread, the left telescopic rod (5) is internally provided with the center hole, a left telescopic rod end face O-shaped ring groove (501) is formed in the sealing end face at one end of the left telescopic rod (5), a left telescopic rod end face O-shaped ring groove sealing ring is formed in the left telescopic rod end face O-shaped ring groove (501), a left telescopic rod sliding surface O-shaped ring groove (502) is formed in the sliding surface at the other end of the left telescopic rod (5), and a left telescopic rod sliding surface O-shaped ring groove sealing ring is formed in the left telescopic rod sliding surface O-shaped ring groove (502);
a central hole is formed in the telescopic sleeve (6), a telescopic sleeve sliding groove (601) is formed in one end of the telescopic sleeve (6), and a sliding surface of the left telescopic rod (5) is arranged in the telescopic sleeve sliding groove (601) and can slide;
a central hole is formed in the right fixed block (7), a lower inclined surface at one end of the right fixed block (7) is fixed on a right inclined surface at the other end of the telescopic sleeve (6) by a screw, a right fixed block O-shaped ring groove (701) is formed in the lower inclined surface of the right fixed block (7), and a right fixed block O-shaped sealing ring is arranged in the right fixed block O-shaped ring groove (701);
a central hole is formed in the right telescopic rod (8), an external thread and a sealing end face are formed in one end of the right telescopic rod (8), a right telescopic rod sealing end face O-shaped ring groove (801) is formed in the sealing end face O-shaped ring groove (801) of the right telescopic rod, a right telescopic rod sealing end face O-shaped ring groove sealing ring is formed in the sealing end face O-shaped ring groove (801), and the other end of the right fixing block (7) is connected with the external thread of one end of the right telescopic rod (8) through an internal thread; the sliding surface at the other end of the right telescopic rod (8) is provided with a right telescopic rod sliding surface O-shaped ring groove (802);
the connecting telescopic block (9) is internally provided with a center hole, one end of the connecting telescopic block (9) is provided with a connecting telescopic block sliding groove (901), a sliding surface at the other end of the right telescopic rod (8) is arranged in the connecting telescopic block sliding groove (901) and can slide, the other end of the connecting telescopic block (9) is provided with a sealing end, the sealing end is provided with a connecting telescopic block sealing end O-shaped ring groove (902), and the connecting telescopic block sealing end O-shaped ring groove (902) is internally provided with a connecting telescopic block sealing end O-shaped sealing ring.
2. A quick disconnect cable protective cover assembly with position compensation according to claim 1, wherein: the fixed connector body (1) can rotate 360 degrees with the left connector body (3).
3. A quick disconnect cable protective cover assembly with position compensation according to claim 1, wherein: the right telescopic rod (8) and the connecting telescopic block (9) can rotate relatively through the connecting telescopic block sliding groove (901).
CN201711044631.3A 2017-10-31 2017-10-31 Quick-separating cable protective sleeve device with position compensation Active CN107732811B (en)

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CN107732811B true CN107732811B (en) 2023-09-15

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CN114709790B (en) * 2022-04-11 2024-05-03 无锡德刚精工机电设备有限公司 Sealing protection device suitable for junction of low-voltage cable

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Publication number Priority date Publication date Assignee Title
AU2011101373A4 (en) * 2011-10-26 2011-11-24 Aidan James Gorlick Electrical Cable Protection
CN103078288A (en) * 2013-01-04 2013-05-01 衢州市易凡设计有限公司 Stretch-proof and water-proof insulating bushing for connected cable and use method
CN205610136U (en) * 2016-05-19 2016-09-28 国网山东省电力公司平度市供电公司 Novel wire cable protection tube
CN207409961U (en) * 2017-10-31 2018-05-25 中国重型机械研究院股份公司 A kind of novel hydraulic cylinder cable protection covering device

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