CN110252431B - Fixed experiment cabin used in hypergravity environment - Google Patents
Fixed experiment cabin used in hypergravity environment Download PDFInfo
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- CN110252431B CN110252431B CN201910538197.7A CN201910538197A CN110252431B CN 110252431 B CN110252431 B CN 110252431B CN 201910538197 A CN201910538197 A CN 201910538197A CN 110252431 B CN110252431 B CN 110252431B
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Abstract
The invention discloses a fixed experimental cabin used in a hypergravity environment. The inner part of the cabin body is provided with a cavity, the upper end of the cavity is opened, the side walls of the two sides of the cabin body are outwards connected with cabin body lifting lugs, the cabin body lifting lugs of the two sides are hinged to a hanging basket rotating arm of the hypergravity centrifugal machine, and the upper sealing dome is connected to the end face of the opening of the cavity of the cabin body through bolts in a mounting way and is connected in a sealing way; the upper sealing dome is provided with a cabin interface piece, the cabin interface piece comprises a communication upper sealing cabin cover and a communication cabin body, a wiring support is fixedly arranged on the inner bottom surface of the cabin body, wiring holes and mounting holes are formed in the cabin body, wiring levels are mounted at the wiring holes and comprise inner hexagon screws, copper electrodes, electrode insulation sleeves and electrode fixing insulation sleeves, and the wiring support comprises a wiring frame upper beam, a wiring frame lower beam, a wiring frame vertical beam and an insulating ceramic fixing piece. The invention solves the problem of placing experimental equipment in a hypergravity environment, and the experimental cabin has the advantages of simple structure, operation scheme and higher safety coefficient.
Description
Technical Field
The invention relates to the technical field of supergravity, in particular to a fixed experimental cabin used in a supergravity environment.
Background
The method utilizes the supergravity to accelerate the inter-phase relative motion effect of the multiphase medium and simulate the contraction effect, shrinkage effect and intensification energy effect of the normal gravity process, carries on the onboard experimental devices such as a vibrating table, an autoclave, a casting furnace, a high-pressure high-temperature cavity and the like on the supergravity centrifugal machine, reproduces the whole process of the evolution and catastrophe of the substances in large space and long duration, reveals new phenomena and rules therein, solves the common scientific problem of the large space-time evolution and catastrophe mechanism of the multiphase medium, and has important scientific significance.
In order to complete scientific experiments by using the supergravity centrifugal simulation experiment device, a plurality of specific experiment devices or instruments such as a vibrating table, an autoclave and a casting furnace are required to be installed on the supergravity centrifugal simulation experiment device by researchers in the fields of slopes, high dams, earthquakes, deep sea, deep land, geology, materials and the like. However, since the hypergravity centrifugal simulation experiment device is in a high-speed rotation state when in operation, in order to ensure that a specific experiment device or instrument runs safely on a centrifuge, an experiment cabin capable of installing the experiment device or instrument is urgently needed.
Disclosure of Invention
Aiming at the difficult problem of carrying the test device or instrument in the high-speed rotation state, the invention provides the test cabin which is simple to assemble, convenient to use, high in safety coefficient, 1 cubic meter in volume and 1 ton in load, is suitable for being used in a 1g-2500g hypergravity environment, has the highest use temperature of 200 ℃, can provide a 5-200A high-current interface, and comprises interfaces such as a temperature gauge, a strain gauge and the like, and a vacuum interface.
The invention adopts the technical scheme that:
the invention comprises a cabin interface piece, an upper sealing dome, a cabin lifting lug and a cabin; the inner part of the cabin body is provided with a cavity, the upper end of the cavity is opened, the side walls of the two sides of the cabin body are outwards connected with cabin body lifting lugs, the cabin body lifting lugs of the two sides are hinged to a hanging basket rotating arm of the hypergravity centrifugal machine, and the upper sealing dome is connected to the end face of the opening of the cavity of the cabin body through bolts in a mounting way and is connected in a sealing way; the center of the upper sealing dome is provided with a cabin body interface piece, the cabin body interface piece comprises a communication upper sealing cabin cover and a communication cabin body, the communication upper sealing cabin cover is arranged at an upper end opening of the communication cabin body, the communication upper sealing cabin cover and the communication cabin body are both provided with an outer flange, a step surface of the outer flange is provided with a first screw hole, and a bolt penetrates through the first screw hole to be connected to the upper sealing dome; the cabin body interface piece is also provided with an upper glass press-fitting flange, an upper flange fastening screw, quartz glass and a vacuum socket, the quartz glass is fixedly arranged at an opening in the center of the top of the communication upper sealing cabin cover by the upper glass press-fitting flange, the upper glass press-fitting flange is fixed at the top of the upper sealing cabin cover by the upper flange fastening screw, the communication upper sealing cabin cover is provided with an opening at the bottom of the communication cabin body, and the vacuum socket is arranged at the opening; the wiring support is fixedly arranged on the inner bottom surface of the cavity of the cabin body, wiring holes and mounting holes are formed in the outer side wall of the cabin body, wiring levels are mounted at the wiring holes, and the wiring levels are connected with the wiring support in the cabin body through the wiring holes; the weak signal control wire is connected with the wiring bracket through the mounting hole; the wiring level comprises an inner hexagon screw, a copper electrode, an electrode insulating sleeve and an electrode fixing insulating sleeve; the copper electrode is of a structure with a large end and a small end, a fixing screw hole is formed in the center of the end face of the large end of the copper electrode, and a connecting screw hole is formed in the end face of the large end of the copper electrode around the fixing screw hole; the electrode insulation sleeve is sleeved on the small end of the copper electrode and the step between the small end and the large end, and the inner hexagon screw penetrates through the connecting screw hole to be connected to the electrode insulation sleeve, so that the copper electrode is fixedly arranged in the electrode insulation sleeve through the inner hexagon screw, and an electrode fixing insulation sleeve is arranged between the inner hexagon screw and the copper electrode; the small end part of the copper electrode penetrates out of the electrode insulating sleeve and then is connected to an external strong power supply, and an annular sharp bulge is arranged on the step between the small end and the large end of the copper electrode. The fixed screw hole is connected with a ground power supply through the wall of the centrifuge host.
The wiring support comprises an upper beam of a wiring frame, a lower beam of the wiring frame, a vertical beam of the wiring frame and an insulating ceramic fixing piece; the upper cross beams of the distribution frame and the lower cross beams of the distribution frame are sequentially arranged in parallel from top to bottom, the upper cross beams of the distribution frame are positioned at the uppermost part, and two sides of the upper cross beams of the distribution frame and the lower cross beams of the distribution frame are fixedly connected with the space between the vertical beams of the distribution frame respectively, so that the upper cross beams of the distribution frame and the lower cross beams of the distribution frame are supported and installed by the vertical beams of the distribution frame at two sides, the bottom of the vertical beams of the distribution frame is provided with a lug structure, and the lug structure is fixedly connected to the inner bottom surface of the cabin through bolts/screws; a temperature sensor for testing the supergravity environment and a weak signal wire of a strain gauge are arranged on the upper cross beam of the wire distribution frame; the upper beam and the lower beam of the wiring frame are fixedly connected with the vertical beam of the wiring frame through cylindrical screws respectively, a plurality of mounting holes are formed in the vertical beam of the wiring frame along the vertical direction, and the cylindrical screws are adjustably connected and mounted in different mounting holes, so that the mounting height positions of the upper beam and the lower beam of the wiring frame are adjusted.
The outer edge of the upper sealing dome is provided with a second screw hole, and a bolt penetrates through the second screw hole to be connected to the cabin body, so that the upper sealing dome is connected with the cabin body.
The surface of the lug part of the cabin lifting lug, which radially extends out, is provided with a plurality of spaced fixing holes, and bolts penetrate through the fixing holes to be connected to the rotating arm of the hypergravity centrifugal machine, so that the cabin lifting lug is connected with the rotating arm of the hypergravity centrifugal machine through the fixing holes and the bolts.
The end face, connected with the cabin body, of the cabin body lifting lug is provided with a third screw hole, and a bolt penetrates through the third screw hole to be connected to the cabin body, so that the cabin body lifting lug is connected with the cabin body through the third screw hole and the bolt.
The outer side wall of the cabin body is provided with a vacuum interface, and the vacuum interface is directly connected with a vacuum pipeline outside the cabin body.
Four connecting screw holes of the wiring level are formed, the four connecting screw holes are uniformly distributed along the circumferential direction at intervals, and four mounting screw holes are correspondingly formed in the electrode fixing insulating sleeve.
The large end of the copper electrode of the wiring level is round, and the small end of the copper electrode is square; the small end face of the copper electrode is provided with a binding post which is connected with a wiring terminal of a strong power supply of the supergravity device.
The wiring frame upper beam and the wiring frame lower beam of the wiring support are of inverted U-shaped structures, fixing screw holes for installing cylindrical screws are formed in two sides of the inverted U-shaped structures, and the inverted U-shaped structures are connected to the wiring frame vertical beam through the cylindrical screws.
A fixing groove for arranging weak signal wires is formed in the upper beam of the wiring frame of the wiring support, and a fixing groove for arranging strong current cables is formed in the lower beam of the wiring frame.
The beneficial effects of the invention are as follows:
the invention provides a mounting platform for special equipment running in the hypergravity environment such as a vibrating table, an autoclave, a casting furnace and the like, and provides interfaces such as strong current, weak current, vacuum and the like;
the invention provides a fixed experimental cabin for a hypergravity experiment, and solves the problem of placing experimental equipment in a hypergravity environment.
The experimental cabin has the advantages of simple structure, operation scheme and higher safety coefficient.
Drawings
FIG. 1 is a front view of a stationary test pod for use with the present invention in a hypergravity environment.
Fig. 2 is a front view of the cabin interface element 1; 2-1, pressing a flange on the upper glass; 2-2 upper flange fastening screws; 2-3 quartz glass; 2-4, sealing a hatch cover on the communication; 2-5 communication cabin bodies; 2-6 vacuum sockets; 2-7 connecting screw holes.
Fig. 3 is a front view of the upper sealing dome 2; 3-1 screw holes.
Fig. 4 is a schematic view of the cabin lifting lug 3, fig. 4 (a) is a front view of the cabin lifting lug 3, fig. 4 (b) is a side view of the cabin lifting lug 3, and fig. 4 (c) is a top view of the cabin lifting lug 3; 4-1 fixing holes; 4-2 screw holes.
Fig. 5 is a front sectional view of the wiring stage 5;
fig. 6 is a sectional view of the copper electrode of the wiring stage 5 and a partial enlarged view thereof; the socket head cap screw 51, the copper electrode 52, the electrode insulating sleeve 53, the electrode fixing insulating sleeve 54, the fixing screw hole 52-1, the connecting screw hole 52-2, the binding post 52-3 and the mounting screw hole 54-1.
Fig. 7 is a front view of the wiring bracket;
FIG. 8 is a side view of a wiring bracket; the wiring frame upper beam 61, the wiring frame lower beam 62, the wiring frame vertical beam 63, the cylindrical screw 64, the cross slot pan head screw 65 and the insulating ceramic fixing piece 66.
Fig. 9 is a schematic view of the nacelle 7; 7-1 wiring holes; 7-2 mounting holes.
In the figure: the device comprises a cabin interface piece 1, an upper sealing dome 2, a cabin lifting lug 3, a vacuum interface 4, a wiring level 5, a wiring bracket 6, a cabin 7, an upper glass press-fit flange 2-1, an upper flange fastening screw 2-2, quartz glass 2-3, a communication upper sealing cabin cover 2-4, a communication cabin 2-5, a vacuum socket 2-6, a first screw hole 2-7, a second screw hole 3-1, a fixing hole 4-1, a third screw hole 4-2, a wiring hole 7-1 and a mounting hole 7-2; the upper beam 61 of the wiring frame, the lower beam 62 of the wiring frame, the vertical beam 63 of the wiring frame, the cylindrical screw 64, the cross-slot pan head screw 65 and the insulating ceramic fixing piece 66; the socket head cap screw 51, the copper electrode 52, the electrode insulating sleeve 53, the electrode fixing insulating sleeve 54, the fixing screw hole 52-1, the connecting screw hole 52-2, the binding post 52-3 and the mounting screw hole 54-1.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1, the device comprises a cabin interface piece 1, an upper sealing dome 2, a cabin lifting lug 3 and a cabin 7; the inside of the cabin 7 is provided with a cavity, the upper end of the cavity is open, the side walls of the two sides of the cabin 7 are outwards connected with cabin lifting lugs 3, the cabin lifting lugs 3 on the two sides are hinged to a hanging basket rotating arm of the hypergravity centrifugal machine, and the upper sealing dome 2 is connected to the end face of the cavity opening of the cabin 7 through a bolt in a mounting way and is connected in a sealing way; the center of the upper sealing dome 2 is provided with a cabin body interface piece 1, the cabin body interface piece 1 comprises a communication upper sealing cabin cover 2-4 and a communication cabin body 2-5, the communication upper sealing cabin cover 2-4 is installed at an upper end opening of the communication cabin body 2-5, the communication upper sealing cabin cover 2-4 and the communication cabin body 2-5 are both provided with an outer flange, a step surface of the outer flange is provided with a first screw hole 2-7, a bolt penetrates through the first screw hole 2-7 to be connected to the upper sealing dome 2, and accordingly the communication upper sealing cabin cover 2-4 and the communication cabin body 2-5 are fixedly connected with the upper sealing dome 2 through the first screw hole 2-7 and the bolt.
As shown in fig. 2, the cabin interface piece 1 is also provided with an upper glass press-fitting flange 2-1, an upper flange fastening screw 2-2, quartz glass 2-3 and a vacuum socket 2-6, wherein the quartz glass 2-3 is fixedly arranged at an opening in the center of the top of the upper communication sealing cabin cover 2-4 by the upper glass press-fitting flange 2-1, the upper glass press-fitting flange 2-1 is fixed at the top of the upper sealing cabin cover 2-4 by the upper flange fastening screw 2-2, the upper communication sealing cabin cover 2-4 is provided with an opening at the bottom of the communication cabin body 2-5, and the vacuum socket 2-6 is arranged at the opening; the quartz glass 2-3 is used for visual inspection of the interior of the capsule 7, and the vacuum socket 2-6 is used for connection to a vacuum line introduced through the centrifuge rotor wall.
As shown in fig. 3, a second screw hole 3-1 is formed at the outer edge of the upper sealed dome 2, and a bolt is connected to the capsule 7 through the second screw hole 3-1, so that the upper sealed dome 2 is connected to the capsule 7.
As shown in fig. 4, the cabin lifting lug 3 is in a T-shaped cylinder structure, a plurality of spaced fixing holes 4-1 are formed in the surface of the radially extending lug part, and bolts penetrate through the fixing holes 4-1 to be connected to the rotating arm of the hypergravity centrifugal machine, so that the cabin lifting lug 3 is connected with the rotating arm of the hypergravity centrifugal machine through the fixing holes 4-1 and the bolts.
The end face, connected with the cabin body 7, of the cabin body lifting lug 3 is provided with a third screw hole 4-2, and a bolt penetrates through the third screw hole 4-2 to be connected with the cabin body 7, so that the cabin body lifting lug 3 is connected with the cabin body 7 through the third screw hole 4-2 and the bolt.
The outer side wall of the cabin body 7 is provided with a vacuum interface 4, and the vacuum interface 4 is directly connected with a vacuum pipeline outside the cabin body 7.
As shown in fig. 9, a wiring support 6 is fixedly arranged on the inner bottom surface of a cavity of the cabin 7, a wiring hole 7-1 and a mounting hole 7-2 are formed in the outer side wall of the cabin 7, a wiring electrode 5 is arranged at the wiring hole 7-1, and the wiring electrode 5 is connected with a strong electric wire on the wiring support 6 inside the cabin 7 through the wiring hole 7-1; the weak signal control wire is connected to the weak signal control wire on the wiring bracket 6 through the mounting hole 7-2.
As shown in fig. 5, the embodied wiring electrode 5 includes an socket head cap screw 51, a copper electrode 52, an electrode insulating sleeve 53, and an electrode fixing insulating sleeve 54. As shown in fig. 6, the copper electrode 52 has an approximately bolt-type structure with two large and small ends, the large end is round, the small end is square, a fixing screw hole 52-1 is formed in the center of the end face of the large end of the copper electrode 52, and the fixing screw hole 52-1 is connected with a ground power supply through the wall of a main body of the centrifugal machine; the large end face of the copper electrode 52 around the fixing screw hole 52-1 is provided with a connecting screw hole 52-2, and the connecting screw hole 52-2 is used for connecting and installing the inner hexagon screw 51; the electrode insulation sleeve 53 is sleeved on the small end and the step between the small end and the large end of the copper electrode 52, and the socket head cap screw 51 is connected to the electrode insulation sleeve 53 through the connection screw hole 52-2, so that the copper electrode 52 is fixedly mounted in the electrode insulation sleeve 53 through the socket head cap screw 51, the socket head cap screw 51 is used for connecting the copper electrode 52 and the electrode insulation sleeve 53, and the socket head cap screw 51 is mainly used for fixing the connection copper electrode 52 and the electrode insulation sleeve 53 on the wiring hole 7-1 of the cabin 7. The copper electrode 52 is provided with an annular sharp protrusion on the step between the small end and the large end, and the sharp protrusion is used for positioning when the copper electrode 52 is mounted, and can limit the copper electrode 52 to move up and down under the action of the centrifugal machine.
As shown in fig. 6, the small end part of the copper electrode 52 penetrates out of the electrode insulating sleeve 53 and then is connected to a strong power supply of an external hypergravity device, the strong power supply current ranges from 10 to 200A, and the electrode insulating sleeve 53 is used for isolating the copper electrode 52 from an outer wall conductor and preventing electric leakage; the small end face of the copper electrode 52 is provided with a binding post 52-3, and the binding post 52-3 is connected with a terminal of an external strong power supply.
As shown in fig. 5, an electrode fixing insulating sleeve 54 is arranged between the socket head cap screw 51 and the copper electrode 52, and the electrode fixing insulating sleeve 54 is used for isolating the socket head cap screw 51 from the copper electrode 52, so as to prevent the current on the copper electrode 52 from being transmitted to a supergravity device, thereby causing leakage accidents; the electrode fixing insulating sheath 54 is U-shaped.
In a specific implementation, four connecting screw holes 52-2 are provided, four connecting screw holes 52-2 are uniformly distributed along the circumferential direction at intervals, and four mounting screw holes are correspondingly provided on the electrode fixing insulating sleeve 54, as shown in fig. 5, so that the socket head cap screws 51 are mounted and connected.
In the concrete implementation, the shape of the electrode is a large-size copper column, so that the electrode is ensured to have good conductivity under the conditions of supergravity and current heating, the copper electrode does not need to be water-cooled, and the electrode can be flexibly installed on various supergravity test cabins.
The electrode material is made of copper alloy, so that the electrode has good shaping, and under the condition of ensuring conductivity, the electrode device is prevented from fatigue failure under the interaction of heat generated by overweight and current. The copper column electrode can reduce the current-carrying capacity of unit area and can meet various power transmission requirements within the range of 10-200A.
As shown in fig. 7 and 8, the specific implementation includes a wiring rack upper beam 61, a wiring rack lower beam 62, a wiring rack vertical beam 63, and an insulating ceramic fixture 66; two wiring frame vertical beams 63 which are vertically and parallelly arranged are arranged, an upper wiring frame beam 61 and a plurality of lower wiring frame beams 62 are sequentially and parallelly arranged from top to bottom, the upper wiring frame beam 61 is positioned at the uppermost part, two sides of the upper wiring frame beam 61 and the lower wiring frame beam 62 are respectively and fixedly connected with the space between the wiring frame vertical beams 63, the upper wiring frame beam 61 and the lower wiring frame beam 62 are supported and installed by the wiring frame vertical beams 63 at the two sides, a lug structure is arranged at the bottom of the wiring frame vertical beams 63, and the lug structure is fixedly connected to the inner bottom surface of a cabin body 7 of an experimental cabin through bolts/screws; the upper cross beam 61 of the wire distribution frame is connected between the vertical beams 63 of the wire distribution frame at two sides, weak signal wires of a temperature sensor and a strain gauge which are tested by a supergravity environment are arranged on the upper cross beam 61 of the wire distribution frame, and the temperature sensor and the strain gauge in the supergravity environment are connected with a weak signal conductive slip ring on a supergravity centrifugal machine through the weak signal wires; the lower transverse beam 62 of the wiring frame is also connected between the vertical beams 63 of the wiring frame at two sides, a plurality of insulating ceramic fixing pieces 66 are arranged on the lower transverse beam 62 of the wiring frame at intervals, the insulating ceramic fixing pieces 66 are arranged along the lower transverse beam 62 of the wiring frame at equal intervals, the insulating ceramic fixing pieces 66 are connected with strong electric cables, the strong electric currents are 5-200A, a high-temperature heating device is arranged in the hypergravity centrifugal machine, and three independent temperature control temperature extension wires of the high-temperature heating device are connected into the signal collector through the strong electric cables. The method comprises the steps of carrying out a first treatment on the surface of the The wiring frame vertical beam 63 is mainly used for connecting the wiring frame upper beam 1 and the 2 wiring frame lower beams 62, and is also used for fixing the wiring frame on the supergravity experimental device.
As shown in fig. 8, the upper beam 61 and the lower beam 62 of the wiring frame are fixedly connected with the vertical beam 63 of the wiring frame respectively through cylindrical screws 64, and a plurality of mounting holes are formed in the vertical beam 63 of the wiring frame along the vertical direction of the vertical beam, and the cylindrical screws 64 are adjustably connected and mounted in different mounting holes, so that the mounting height positions of the upper beam 61 and the lower beam 62 of the wiring frame are adjusted. The cylindrical screws 64 are used to connect the upper wiring frame beam 1, the lower wiring frame beam 62 and the vertical wiring frame beam 63.
The insulating ceramic mount 66 is secured to the lower cross beam 62 of the distribution frame by cross-slot pan head screws 65. Cross slot pan head screws 65 are used to secure insulating ceramic fixtures 66 to the 2 wire frame lower cross members 62. The insulating ceramic fixing member 66 is used for fixing the strong electric cable and has an insulating function to prevent electric leakage.
In specific implementation, the upper beam 61 of the wiring frame is provided with a fixing groove for arranging weak signal wires of the temperature sensor and the strain gauge, and the lower beam 62 of the wiring frame is provided with a fixing groove for arranging strong current cables. In the specific implementation, the upper cross beam 61 of the wiring frame and the lower cross beam 62 of the wiring frame are of an inverted U-shaped structure, fixing screw holes for installing cylindrical screws 64 are formed in two sides of the inverted U-shaped structure, and the inverted U-shaped structure is connected to the vertical beam 63 of the wiring frame through the cylindrical screws 64.
The fixed experimental cabin used in the hypergravity environment provided by the invention has the advantages that the fixed experimental cabin is convenient to connect with a centrifugal machine, has the volume of 1 cubic meter and the load of 1 ton, is suitable for being used in the hypergravity environment of 1g-2500g, has the highest use temperature of 200 ℃, can provide a 5-200A strong current interface, and a weak signal control line comprises interfaces such as a temperature gauge, a strain gauge and the like and a vacuum interface.
The use process of the fixed experimental cabin provided by the invention is as follows:
a high-temperature heating device is arranged in the hypergravity centrifugal machine, and the number of the strong-current cables is determined according to the heating partition of the high-temperature heating device; and determining the number of weak signal lines according to the conditions of weak signals such as temperature, strain and the like required in the test process.
The following uses three-zone independent heating high-temperature heating device, three temperature control signals, three strain test signals as examples to describe the use and operation process:
the first step: the upper cross member 61 of the wiring frame and the lower cross member 62 of the two-layer wiring frame are fixed by the vertical cross member 63 of the wiring frame. Meanwhile, the wiring electrode is fixed on the experimental cabin shell of the hypergravity centrifugal machine, and six wiring electrodes are used for three loops.
And a second step of: and fixing the wiring support on the base of the hypergravity experiment cabin. Three strong-current cables, with six wiring electrodes, 3 temperature weak signal loops, 3 strain weak signal loops.
The wiring support is divided into three layers, and the first layer of wiring support is a wiring frame upper cross beam 61 for arranging weak current signal wires; the lower cross beam 62 of the two-layer wiring frame is used for arranging three paths of strong electric circuits.
Three loops are led out from the electric slip ring connection on the ground power supply cabinet/main machine shaft, and six wires are respectively connected with the electric slip ring on the main machine shaft. Each loop may be either direct current or alternating current, with a maximum current of 200A. Each wire is connected to a fixing screw hole 52-1 in each wiring electrode copper electrode 52. The current of the ground supply cabinet is supplied to the inside of the laboratory cabin via copper electrodes 52.
And a third step of: the high-voltage cable is fixed to a section of the lower beam 62 of the distribution frame by fixing cross slot pan head screws 65 and insulating ceramic fixing members 66, and then is routed along the beam. In order to prevent the movement of the electric wires during the operation of the hypergravity experiment cabin, 7 cross-slot pan head screws 65 and insulating ceramic fixing pieces 66 are sequentially fixed between two vertical beams of the lower cross beam 62 of the wiring frame, and then the outer sides of the other sections of the vertical beams are fixed by the cross-slot pan head screws 65 and the insulating ceramic fixing pieces 66.
At the same time, six wiring electrodes connect six power lines to the wiring frame through the wiring posts 52-3 of the copper electrode 52, preventing the wires from breaking or tangling under the supergravity environment.
Fourth step: three temperature weak signal loops and three strain weak signal loops are led out from the weak signal conductive slip ring and are fixed through the upper beam 61 of the wire distribution frame. The weak signal wires are small in current, thin and light in wire, and are directly arranged along the cross beam.
Fifth step: six independent wires are led out from six wiring electrodes close to the section of the high-temperature heating device and are respectively connected with the high-temperature heating device. Wherein the first loop is connected with a heating zone on the high-temperature furnace; connecting the second loop with a heating area in the high-temperature furnace; the third loop is connected with the heating zone under the high-temperature furnace. The upper, middle and lower three heating areas of the high temperature furnace are respectively and independently heated. In the experimental process, different temperatures can be set in different heating areas according to the requirements.
Sixth step: in the experimental process, three independent temperature control temperature extension wires for controlling the high-temperature heating device are connected to a signal collector, signals collected by a temperature sensor and a strain gauge are transmitted to the signal collector in real time, the signal collector converts obtained analog signals into digital signals, and the digital signals are connected with a signal slip ring through a wire distribution frame and finally connected with a ground measurement and control center.
Claims (9)
1. A fixed experimental cabin used under a hypergravity environment is characterized in that:
the device comprises a cabin interface piece (1), an upper sealing dome (2), a cabin lifting lug (3) and a cabin (7); the inside of the cabin body (7) is provided with a cavity, the upper end of the cavity is open, the side walls of the two sides of the cabin body (7) are outwards connected with cabin body lifting lugs (3), the cabin body lifting lugs (3) on the two sides are hinged to a hanging basket rotating arm of the hypergravity centrifugal machine, and the upper sealing dome (2) is connected to the end face of the cavity opening of the cabin body (7) through bolts in a mounting manner and is in sealing connection; the center of the upper sealing dome (2) is provided with a cabin body interface piece (1), the cabin body interface piece (1) comprises a communication upper sealing cabin cover (2-4) and a communication cabin body (2-5), the communication upper sealing cabin cover (2-4) is arranged at an opening at the upper end of the communication cabin body (2-5), the communication upper sealing cabin cover (2-4) and the communication cabin body (2-5) are both provided with an outer flange, a step surface of the outer flange is provided with a first screw hole (2-7), and a bolt penetrates through the first screw hole (2-7) to be connected to the upper sealing dome (2); the cabin body interface piece (1) is also provided with an upper glass press-fit flange (2-1), an upper flange fastening screw (2-2), quartz glass (2-3) and a vacuum socket (2-6), the quartz glass (2-3) is fixedly arranged at an opening in the center of the top of the communication upper sealing cabin cover (2-4) by the upper glass press-fit flange (2-1), the upper glass press-fit flange (2-1) is fixed at the top of the communication upper sealing cabin cover (2-4) by the upper flange fastening screw (2-2), an opening is formed in the bottom of the communication cabin body (2-5), and the vacuum socket (2-6) is arranged at the opening; a wiring support (6) is fixedly arranged on the inner bottom surface of the cavity of the cabin body (7), a wiring hole (7-1) and a mounting hole (7-2) are formed in the outer side wall of the cabin body (7), a wiring electrode (5) is arranged at the wiring hole (7-1), and the wiring electrode (5) is connected with the wiring support (6) in the cabin body (7) through the wiring hole (7-1); the weak signal control wire is connected with the wiring bracket (6) through the mounting hole (7-2);
the wiring electrode (5) comprises an inner hexagon screw (51), a copper electrode (52), an electrode insulating sleeve (53) and an electrode fixing insulating sleeve (54); the copper electrode (52) is of a structure with two large and small ends, a fixing screw hole (52-1) is formed in the center of the large end face of the copper electrode (52), and a connecting screw hole (52-2) is formed in the large end face of the copper electrode (52) around the fixing screw hole (52-1); the electrode insulation sleeve (53) is sleeved on the small end of the copper electrode (52) and the step between the small end and the large end, the inner hexagon screw (51) passes through the connecting screw hole (52-2) to be connected to the electrode insulation sleeve (53), so that the copper electrode (52) is fixedly arranged in the electrode insulation sleeve (53) through the inner hexagon screw (51), and an electrode fixing insulation sleeve (54) is arranged between the inner hexagon screw (51) and the copper electrode (52); the small end part of the copper electrode (52) penetrates out of the electrode insulating sleeve (53) and then is connected to an external strong power supply, and an annular sharp bulge is arranged on the step between the small end and the large end of the copper electrode (52);
the wiring support (6) comprises a wiring frame upper beam (61), a wiring frame lower beam (62), a wiring frame vertical beam (63) and an insulating ceramic fixing piece (66); the upper cross beam (61) of the wiring frame and the lower cross beams (62) of the wiring frame are sequentially arranged in parallel from top to bottom, the upper cross beam (61) of the wiring frame is positioned at the uppermost part, two sides of the upper cross beam (61) of the wiring frame and the lower cross beam (62) of the wiring frame are respectively fixedly connected with a space between the vertical beams (63) of the wiring frame, so that the upper cross beam (61) of the wiring frame and the lower cross beam (62) of the wiring frame are supported and installed by the vertical beams (63) of the wiring frame at two sides, the bottom of the vertical beams (63) of the wiring frame is provided with lug structures, and the lug structures are fixedly connected to the inner bottom surface of the cabin (7) through bolts/screws; a weak signal wire of a temperature sensor and a strain gauge which are tested by a supergravity environment is arranged on an upper cross beam (61) of the wire distribution frame; a plurality of mounting holes are formed in the wiring frame vertical beam (63) along the vertical direction of the vertical beam, and the cylindrical screws (64) are adjustably connected and mounted in different mounting holes, so that the mounting height positions of the wiring frame upper beam (61) and the wiring frame lower beam (62) are adjusted.
2. The stationary test pod for use in a hypergravity environment of claim 1, wherein: the outer edge of the upper sealing dome (2) is provided with a second screw hole (3-1), and a bolt penetrates through the second screw hole (3-1) to be connected to the cabin body (7), so that the upper sealing dome (2) is connected with the cabin body (7).
3. The stationary test pod for use in a hypergravity environment of claim 1, wherein: the surface of the lug part of the cabin lifting lug (3) which radially extends out is provided with a plurality of spaced fixing holes (4-1), and bolts penetrate through the fixing holes (4-1) to be connected to the rotating arm of the hypergravity centrifugal machine, so that the cabin lifting lug (3) is connected with the rotating arm of the hypergravity centrifugal machine through the fixing holes (4-1) and the bolts.
4. The stationary test pod for use in a hypergravity environment of claim 1, wherein: the end face, connected with the cabin body (7), of the cabin body lifting lug (3) is provided with a third screw hole (4-2), and a bolt penetrates through the third screw hole (4-2) to be connected with the cabin body (7), so that the cabin body lifting lug (3) is connected with the cabin body (7) through the third screw hole (4-2) and the bolt.
5. The stationary test pod for use in a hypergravity environment of claim 1, wherein: the outer side wall of the cabin body (7) is provided with a vacuum interface (4), and the vacuum interface (4) is directly connected with a vacuum pipeline outside the cabin body (7).
6. The stationary test pod for use in a hypergravity environment of claim 1, wherein: four connecting screw holes (52-2) of the wiring electrode (5) are formed, the four connecting screw holes (52-2) are uniformly distributed at intervals along the circumferential direction, and four mounting screw holes are correspondingly formed in the electrode fixing insulating sleeve (54).
7. The stationary test pod for use in a hypergravity environment of claim 1, wherein: the large end of the copper electrode (52) of the wiring electrode (5) is round, and the small end is square; the small end face of the copper electrode (52) is provided with a binding post (52-3), and the binding post (52-3) is connected with a wiring terminal of a strong power supply of the supergravity device.
8. The stationary test pod for use in a hypergravity environment of claim 1, wherein: the wiring frame upper beam (61) and the wiring frame lower beam (62) of the wiring support (6) are of an inverted U-shaped structure, fixing screw holes for installing cylindrical screws (64) are formed in two sides of the inverted U-shaped structure, and the inverted U-shaped structure is connected to the wiring frame vertical beam (63) through the cylindrical screws (64).
9. The stationary test pod for use in a hypergravity environment of claim 1, wherein: a fixing groove for arranging weak signal wires is formed in an upper transverse beam (61) of the wiring frame of the wiring support (6), and a fixing groove for arranging strong current cables is formed in a lower transverse beam (62) of the wiring frame.
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| FR1205558A (en) * | 1957-09-28 | 1960-02-03 | Distribution cabin and compartmentalisation device | |
| JP2001165878A (en) * | 1999-12-14 | 2001-06-22 | Tostech:Kk | Infrared ray high temperature heating furnace |
| EP1365015A2 (en) * | 2002-05-21 | 2003-11-26 | Agilent Technologies, Inc. | Bioanalysis system and method using probe arrays |
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