A kind of sealing cabin of electronic devices in pipeline operation equipmentTechnical field
The present invention relates to a kind of sealing cabin, particularly a kind of sealing cabin of electronic devices in pipeline operation equipment.
Background technology
At present, natural gas line is cleared up by pipeline operation equipment, and common pipeline operation equipment has wiper, flux leakage detector and pipe robot etc.In pipeline cleaning operation, general needs will install speed regulating device, the speed entered at pipeline internal by speed regulating device regulation and control pipeline operation equipment on pipeline operation equipment.
Speed regulating device mainly comprise power supply, circuit board, direct current machine and transducer.For adapt to natural gas line have heavy caliber, high pressure, high flow rate feature, speed regulating device must have security and stability, this just need each electronic devices and components to be arranged on seal withstand voltage waterproof cabin body in, and the movable sealing problem of direct current machine rotating shaft must be solved.
But, also there is no a kind of sealing cabin structure of the intraductal operation equipment that can meet above-mentioned condition at present, cause pigging work cannot safe and reliable operation.
Summary of the invention
In order to overcome above-mentioned prior art owing to lacking the sealing cabin structure of intraductal operation equipment, and causing pigging work cannot the defect of safe and reliable operation, embodiments providing a kind of sealing cabin of electronic devices in pipeline operation equipment.Described technical scheme is as follows:
A kind of sealed compartment of electronic devices in pipeline operation equipment, described sealed compartment comprises the movable sealing pressure-resistant cabin cylinder be fixedly connected with in turn, little pressure-resistant cabin cylinder and large pressure-resistant cabin cylinder, described movable sealing pressure-resistant cabin cylinder is installed with output shaft, described movable sealing pressure-resistant cabin cylinder is stretched in one end of described output shaft, the other end stretches out described movable sealing pressure-resistant cabin cylinder, described output shaft and described movable sealing pressure-resistant cabin cylinder touching position are provided with movable sealing O type circle, described little pressure-resistant cabin cylinder is for installing dynamical system, and described large pressure-resistant cabin cylinder is for installing electronic devices and components.
Particularly, other end opening is closed in one end of described movable sealing pressure-resistant cabin cylinder, described blind end is provided with hole, described hole is used for through described output shaft, described hole wall is provided with hole inner groovy, described hole inner groovy is for placing movable sealing O type circle, the end face of described openend is provided with through hole, described through hole is used for through bolt, described bolt is used for fixing described movable sealing pressure-resistant cabin cylinder and described little pressure-resistant cabin cylinder, the end face of described openend is provided with ladder platform, the end face of described ladder platform is provided with screwed hole, described screwed hole is used for fixing described dynamical system, the periphery of described ladder platform is provided with groove, described groove is for placing the first static seal O type circle.
Particularly, the wall of described little pressure-resistant cabin cylinder is provided with screw hole, and described screw hole is used for installation high-voltage connector.
Particularly, described little pressure-resistant cabin cylinder is be connected by screw or be welded to connect with being fixedly connected with of described large pressure-resistant cabin cylinder.
Particularly, the two ends of described large pressure-resistant cabin cylinder are blind end, and the blind end near described little pressure-resistant cabin cylinder is provided with high-voltage connector.
Particularly, be demountable structure away from the blind end of described little pressure-resistant cabin cylinder in described large pressure-resistant cabin cylinder, described demountable structure is end cap, described end cap comprises large step and small stair, the end face circumference of described large step is provided with through hole uniformly, described through hole is used for through screw, described screw is used for fixing described end cap and described large pressure-resistant cabin cylinder, the periphery of described small stair is provided with annular groove, described annular groove is for holding the second static seal O type circle, the end face of described small stair is provided with screw hole, and described screw hole is used for fixing described electronic devices and components.
Particularly, described dynamical system is direct current machine or micro hydraulic system or pneumatic system.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: compared to existing technology, the embodiment of the present invention provides the sealing compressive cabin that a kind of structure is simple, installation and maintenance are easy, achieve static seal and rotating shaft and move back and forth axle movable sealing, having ensured the safe and reliable operations such as pipeline operation equipment such as wiper, flux leakage detector and pipe robot.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the main cutaway view of the sealing cabin of electronic devices in pipeline operation equipment described in the embodiment of the present invention;
Fig. 2 is the stereogram of movable sealing pressure-resistant cabin cylinder described in the embodiment of the present invention;
Fig. 3 is the main cutaway view of large pressure-resistant cabin cylinder described in the embodiment of the present invention;
Fig. 4 is the stereogram of end cap described in the embodiment of the present invention.
Drawing reference numeral illustrates:
1 output shaft,
2 movable sealing O type circles,
3 movable sealing pressure-resistant cabin cylinders, 31 blind ends, 32 openends, 33 end faces, 34 ladder platforms, 35 holes, 36 hole inner groovies, 37 through holes, 38 screwed holes, 39 grooves,
The axostylus axostyle of 4 dynamical systems,
5 holding screws,
6 first static seal O type circles,
7 little pressure-resistant cabin cylinders,
8 high pressure plug connectors,
9 large pressure-resistant cabin cylinders, 91 first blind ends, 92 second blind ends,
10 second static seal O type circles,
11 screws,
12 end caps, 13 large steps, 14 small stairs, the through hole of 15 end caps, 16 screw holes, 17 annular grooves.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
As shown in Figure 1, a kind of sealed compartment of electronic devices in pipeline operation equipment described in the present embodiment, described sealed compartment comprises the movable sealing pressure-resistant cabin cylinder 3 be fixedly connected with in turn, little pressure-resistant cabin cylinder 7 and large pressure-resistant cabin cylinder 9, described movable sealing pressure-resistant cabin cylinder 3 is installed with output shaft 1, described movable sealing pressure-resistant cabin cylinder 3 is stretched in one end of described output shaft 1, the other end stretches out described movable sealing pressure-resistant cabin cylinder 3, described output shaft 1 is provided with movable sealing O type circle 2 with described movable sealing pressure-resistant cabin cylinder 3 touching position, described little pressure-resistant cabin cylinder 7 is for installing dynamical system, described large pressure-resistant cabin cylinder 9 is for installing electronic devices and components.
Compared to existing technology, the embodiment of the present invention provides the sealing compressive cabin that a kind of structure is simple, installation and maintenance are easy, described sealed compartment can install static components and parts battery, circuit board etc., can install again and need to rotate or the mobile dynamical system exported, so achieve static seal and rotating shaft and move back and forth axle movable sealing, the safe and reliable operations such as pipeline operation equipment such as wiper, flux leakage detector and pipe robot are ensured.
Particularly, described dynamical system is direct current machine or micro hydraulic system or pneumatic system.
See Fig. 1, described output shaft 1 is the output shaft of described sealed compartment, and described output shaft 1 is connected with the axostylus axostyle 4 of dynamical system, and it is relative fixing to realize between output shaft 1 and the axostylus axostyle 4 of dynamical system by holding screw 5.Under the driving of dynamical system, realize rotation or the rectilinear movement of output shaft 1.During concrete enforcement, according to different intraductal operation equip be suitable for caliber and fluid media (medium) calculation of parameter obtains the diameter of axle of output shaft 1 and the parameter of holding screw 5.
Particularly, as shown in Figure 2, other end opening is closed in one end of described movable sealing pressure-resistant cabin cylinder 3, described blind end 31 is provided with hole 35, described hole 35 is for passing described output shaft 1 (see Fig. 1), described hole wall is provided with hole inner groovy 36, described hole inner groovy 36 is for placing movable sealing O type circle 2 (see Fig. 1), to realize the sealing of described output shaft 1 (see Fig. 1) and withstand voltage, the end face of described openend 32 is provided with through hole 37, described through hole 37 is for passing bolt (see Fig. 1), described bolt (see Fig. 1) is for fixing described movable sealing pressure-resistant cabin cylinder 3 and described little pressure-resistant cabin cylinder 7 (see Fig. 1), the end face 33 of described openend 32 is provided with ladder platform 34, the end face of described ladder platform 34 is provided with screwed hole 38, described screwed hole 38 is for fixing described dynamical system (not shown), the periphery of described ladder platform 34 is provided with groove 39, described groove 39 is for placing the first static seal O type circle 6 (see Fig. 1).
During concrete enforcement, the concrete thickness of described movable sealing pressure-resistant cabin cylinder 3 and end surface thickness, the applicable caliber equipped according to different intraductal operations and fluid media (medium) calculation of parameter obtain.Described movable sealing pressure-resistant cabin cylinder 3 and outside intraductal operation equip frame welding or bolt is connected and fixed.
Particularly, as shown in Figure 1, described little pressure-resistant cabin cylinder 7 is pressure hulls of dynamical system.The wall of described little pressure-resistant cabin cylinder 7 is provided with screw hole, and described screw hole is used for installation high-voltage connector.By the sensor signal lines that intraductal operation can be equipped by high pressure plug connector 8, be connected to pressure-resistant cabin inside.Its mesohigh plug connector 8 is prior art, is not described further, and high pressure plug connector 8 generally comprises male and the female (detailing a kind of structure of high pressure plug connector in such as patent application CN200610051255.6) of mutual-inserting type.
During concrete enforcement, the thickness parameter of described little pressure-resistant cabin cylinder 7, the fluids within pipes medium parameter according to different intraductal operations equipment calculates.
Particularly, as shown in Figure 1, described little pressure-resistant cabin cylinder 7 is be connected by screw or be welded to connect with being fixedly connected with of described large pressure-resistant cabin cylinder 9.In order to reach better sealing, described little pressure-resistant cabin cylinder 7 is provided with static seal O type circle with described large pressure-resistant cabin cylinder 9 touching position.In this example, described large pressure-resistant cabin cylinder 9 and described little pressure-resistant cabin cylinder 7 are by being welded to connect.
During concrete enforcement, the thickness parameter of described large pressure-resistant cabin cylinder 9, the fluids within pipes medium parameter according to different intraductal operations equipment calculates.
Particularly, as shown in Figure 2, the two ends of described large pressure-resistant cabin cylinder 9 are blind end, namely described large pressure-resistant cabin cylinder 9 comprises the first blind end 91 and the second blind end 92, wherein, blind end near described little pressure-resistant cabin cylinder 7 is that the first blind end 91, first blind end 91 is provided with high-voltage connector.By the sensor signal lines that intraductal operation can be equipped by high pressure plug connector 8, be connected to pressure-resistant cabin inside.
Particularly, be the second blind end 92, second blind end 92 be demountable structure in described large pressure-resistant cabin cylinder 9 away from the blind end of described little pressure-resistant cabin cylinder 7, described demountable structure is specially end cap 12.As shown in Figure 4, described end cap 12 comprises large step 13 and small stair 14, the end face circumference of described large step 13 is evenly provided with the through hole 15 of end cap, the through hole 15 of described end cap is for passing screw 11, described screw 11 is for fixing described end cap 12 and described large pressure-resistant cabin cylinder 9, the periphery of described small stair 14 is provided with annular groove 17, described annular groove 17 is for holding the second static seal O type circle 10, the end face of described small stair 14 is provided with screw hole 16, described screw hole 16 is for fixing described electronic devices and components, equip electronic devices and components when moving to occur to roll and damage to prevent intraductal operation.
When intraductal operation equipment selects hydraulic pressure or pneumatic system to be power source, hydraulic pressure or pneumatic components and parts and battery circuit board etc. can be arranged in sealing compressive cabin, the end face of large pressure-resistant cabin cylinder 9 first blind end 91 processes the construction bolt hole of hydraulic fitting or pneumatic tube joint, hydraulic fitting or pneumatic tube joint is fixedly installed on large pressure-resistant cabin cylinder 9 first blind end 91.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.