CN202925143U - Raw material rod clamping device and raw material rod - Google Patents
Raw material rod clamping device and raw material rod Download PDFInfo
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- CN202925143U CN202925143U CN 201220548141 CN201220548141U CN202925143U CN 202925143 U CN202925143 U CN 202925143U CN 201220548141 CN201220548141 CN 201220548141 CN 201220548141 U CN201220548141 U CN 201220548141U CN 202925143 U CN202925143 U CN 202925143U
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Abstract
The utility model discloses a raw material rod clamping device and a raw material rod. The clamping device comprises a material clamping disc which comprises a first rotary circular plate, a second rotary circular plate, a connecting shaft, N pairs of material clamping screws and a fixed nut, wherein the first rotary circular plate is provided with N same long holes, and the second rotary circular plate is provided with N same spiral holes; the overlaying positions of the long holes and spiral holes are located on the same circle with same radius which uses the connecting shaft as the centre of the circle, wherein N is a natural number greater than or equal to 3; the other end of each material clamping screw is provided with a clamping bump, and the clamping bumps of the N material clamping screws can clamp the raw material rod; one end of the raw material rod is in a cone shape while the other end of the raw material rod is cylindrical; and a groove is arranged on the outer surface at the cylindrical end of the raw material rod, and the groove is matched with the clamping bumps of the material clamping screws of the raw material rod clamping device. According to the raw material rod clamping device and the raw material rod, the assembly step is reduced, and the production cost is lowered. Polycrystalline rods with different diameters can be clamped, and meanwhile, the processing difficulty of the polycrystalline materials is reduced.
Description
Technical field
The utility model relates to zone melting single-crystal and draws field, particularly a kind of fuel rod fastening and loading device and fuel rod.
Background technology
In large diameter zone melting pulling single crystal silicon process, the raw material polycrystalline silicon rod need to be hung over the upper main shaft of zone melting single-crystal stove.And the raw material that zone melting furnace is used is the polycrystalline silicon rod through barrel finishing, and an end is processed into taper, and the special shape of the other end processing is suspended on the zone melting single-crystal stove on main shaft.In the upper main shaft junction of polycrystalline silicon rod and zone melting single-crystal stove, need a device, this device upper end is connected with the upper main shaft of zone melting single-crystal stove, and the lower end can the conveniently assemble and disassemble polycrystalline silicon rod.Existing polycrystalline silicon rod fastening and loading device be generally with polycrystalline silicon rod with molybdenum filament be bundled in one with material pawl that the upper main shaft of zone melting single-crystal stove is connected on.Expect that by adjustment the angle of the opening of pawl is applicable to the polycrystalline silicon rod of different diameter; Polish on polycrystalline silicon rod simultaneously and process and the breach of expecting that claw shape matches.The shortcoming of this structure is: 1, existing polycrystalline silicon rod fastening and loading device clamps polycrystalline silicon rod at every turn all needs to use molybdenum filament to fix, and molybdenum filament just needs to change afterwards several times, and molybdenum filament is more expensive, therefore produces a lot of extra-pays; 2, the scope that can regulate of material pawl is very little, and the polycrystalline silicon rod of different size will be with different material pawls; 3, be difficult for processing with the material notch geometry that pawl coincide on polycrystalline silicon rod; 4, improving constantly along with technology, the polycrystalline silicon rod diameter that draws is increasing, the right alignment of the lower main axis of the required polycrystalline silicon rod of drawing process and zone melting single-crystal stove and the verticality of polycrystalline silicon rod and coil require more and more higher, existing polycrystalline silicon rod fastening and loading device can not be adjusted very easily, and the precision that directly is installed can't reach requirement.
The utility model content
The utility model provides a kind of fuel rod fastening and loading device and fuel rod, has reduced assembly process and has reduced production cost, can be used for clamping the fuel rod of different diameter, has reduced simultaneously the difficulty of processing requirement of fuel rod.
For achieving the above object, the utility model provides following technical scheme:
A kind of fuel rod fastening and loading device comprises the dish that gets stuck; The described dish that gets stuck comprises the first armature, and the second armature, coupling shaft and N are to screw and the set screw nut of getting stuck, and wherein N is the natural number more than or equal to 3; Described coupling shaft passes the center of circle of the first armature and the second armature and described the first armature and the second armature is fitted, and described the first armature and the second armature can rotate with respect to coupling shaft; Be provided with N identical slotted hole on described the first armature, be provided with N identical threaded hole on described the second armature, the threaded hole overlapping position of the slotted hole of described the first armature and the second armature is in take coupling shaft as the center of circle, on the identical same circle of radius;
Described N is in get stuck screw and set screw nut, each screw that gets stuck passes the overlapping position of a slotted hole and threaded hole, one end matches with a set screw nut and can lock the second armature it is fixed with respect to the first armature, the other end is provided with the projection that is installed, N all projections that are installed of screw fuel rod that can be installed that gets stuck.
Preferably, each slotted hole is 360 °/N along the angle of the radial direction setting of the first armature and adjacent slotted hole place radius, to the equating apart from r of the first armature center of circle, each slotted hole equates away from the end in the first armature center of circle distance R to the first armature center of circle each slotted hole near the end in the first armature center of circle;
Each threaded hole equates and equals r to the distance in the second armature center of circle near the end in the second armature center of circle, each threaded hole equates and equals R to the distance in the second armature center of circle away from the end in the second armature center of circle, and from a threaded hole near the end in the second armature center of circle to the end away from the second armature center of circle, threaded hole varies continuously to R to the distance L in the second armature center of circle from r; Adjacent threaded hole is 360 °/N near the angle of an end place radius in the second armature center of circle.
Preferably, N=3.
Preferably, also comprise the adjustment disk; The center of described adjustment disk is provided with the threaded post that connects use, it is relative with the dish that gets stuck that the center of described threaded post is provided with the less bottom surface in truncated cone-shaped hole and described truncated cone-shaped hole, offer passage on a radius of described adjustment disk, the truncated cone-shaped hole at described passage and threaded post center communicates;
Described coupling shaft is provided with spherical protuberances away from an end of the first armature and the second armature, and the end that described coupling shaft has a spherical protuberances passes passage and enters into tapered hole, and described spherical protuberances is connected in tapered hole.
Preferably, be provided with M identical adjustment screw on described adjustment disk, each adjusts screw is 360 °/M along the angle of the radial direction setting of adjusting disk and adjacent adjustment screw place radius, each described adjustment screw is arranged on the edge of adjusting disk, and wherein M is the natural number more than or equal to 3;
Described adjustment disk also comprises M identical adjustment screw, and each adjusts screw an adjusting nut that coordinates with it; Each is adjusted screw one end and passes the adjustment screw of adjusting disk and contact with the dish that gets stuck, and each the other end of adjusting screw matches with adjusting nut, can lock to adjust disk and make to get stuck to coil with respect to the adjustment disk and fix.
Preferably, M=3.
Preferably, described the first armature is relative with the adjustment disk, and described adjustment screw one end passes the adjustment screw of adjusting disk and contacts with the first armature.
Preferably, described coupling shaft is cylindrical coupling shaft, and the diameter of described spherical protuberances is greater than the diameter of cylindrical coupling shaft;
The width of described passage is greater than the diameter of cylindrical coupling shaft; The diameter of described spherical protuberances is greater than the diameter of the diameter of less bottom surface, truncated cone-shaped hole and the described cylindrical coupling shaft diameter greater than less bottom surface, truncated cone-shaped hole.
The utility model also provides following technical scheme:
The fuel rod that a kind of and above-mentioned any fuel rod fastening and loading device matches, one end of described fuel rod is taper, the other end of described fuel rod is cylindrical, the outside surface of the columniform end of described fuel rod is provided with groove, and described groove matches with the projection that clamps of the screw that gets stuck of fuel rod fastening and loading device.
Preferably, the radius of cylinder at r between R.
A kind of fuel rod fastening and loading device and fuel rod that the utility model provides, described the first armature and second armature of fuel rod fastening and loading device are coaxial, and the threaded hole overlapping position of the slotted hole of the first armature and the second armature all is in take coupling shaft as the center of circle, on the identical same circle of radius; Each screw that gets stuck passes the threaded hole overlapping position of slotted hole and second armature of first armature, and the other end of each described screw that gets stuck is provided with the projection that is installed, the N projection that is installed of the screw fuel rod that can be installed that gets stuck.Like this, N gets stuck screw on same circle, as long as fuel rod is cylindrical and has and the groove that N the screw that gets stuck snap in can be able to be realized the clamping of fuel rod reduced the requirement to fuel rod.In addition, compare with existing fuel rod fastening and loading device, fuel rod fastening and loading device of the present utility model has reduced assembly process and has reduced production cost when clamping, and can be used for clamping the fuel rod of different diameter, has reduced simultaneously the difficulty of processing requirement of fuel rod.
Description of drawings
Fig. 1 is the diagrammatic cross-section of an embodiment of fuel rod fastening and loading device of the present utility model;
Fig. 2 is the vertical view of the dish that gets stuck of fuel rod fastening and loading device shown in Figure 1;
Fig. 3 is the upward view of the dish that gets stuck of fuel rod fastening and loading device shown in Figure 1;
Fig. 4 is the vertical view of fuel rod fastening and loading device shown in Figure 1.
The main element description of reference numerals is as follows:
100 dishes that get stuck, 110 first armatures, 111 slotted holes, 120 second armatures, 121 threaded hole, 130 coupling shafts, 140 screws that get stuck, 141 set screw nuts, 142 projections that are installed;
200 adjust disk, and 210 adjust screw, 211 adjusting nuts, 220 threaded post, 230 passages.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The fuel rod fastening and loading device of first embodiment of the present utility model is described as an example of the polycrystalline silicon rod fastening and loading device that is used for the zone melting single-crystal stove example in the present embodiment; Need to prove that the raw material fastening and loading device is not limited to for the zone melting single-crystal stove, also can be used for other equipment, the fuel rod fastening and loading device also is not limited to the polycrystalline silicon rod fastening and loading device in addition, can be also the fuel rod fastening and loading device that other fuel rod is clamped.The fuel rod fastening and loading device of the present embodiment comprises the dish that gets stuck; The described dish that gets stuck comprises the first armature, the second armature, and coupling shaft and N are to screw and the set screw nut of getting stuck; Described coupling shaft passes the center of circle of the first armature and the second armature and makes the first armature and the second armature fits, and described the first armature and the second armature can rotate with respect to coupling shaft; Be provided with N identical slotted hole on described the first armature, be provided with N identical threaded hole on described the second armature, the threaded hole overlapping position of the slotted hole of described the first armature and the second armature is in take coupling shaft as the center of circle, on the identical same circle of radius;
Described N is in get stuck screw and set screw nut, each screw that gets stuck passes the overlapping position of a slotted hole and threaded hole, one end matches with a set screw nut and can lock the second armature it is fixed with respect to the first armature, the other end is provided with the projection that is installed, N all projections that are installed of screw polycrystalline silicon rod that can be installed that gets stuck.
The fuel rod fastening and loading device of the present embodiment, described the first armature and the second armature are coaxial, and the threaded hole overlapping position of the slotted hole of the first armature and the second armature all is in take coupling shaft as the center of circle, on the identical same circle of radius; Each screw that gets stuck passes the threaded hole overlapping position of slotted hole and second armature of first armature, and the other end of each described screw that gets stuck is provided with the projection that is installed, the N projection that is installed of the screw polycrystalline silicon rod that can be installed that gets stuck.Like this, N gets stuck screw on same circle, as long as polycrystalline silicon rod is cylindrical and has and the groove that N the screw that gets stuck snap in can be able to be realized the clamping of polycrystalline silicon rod reduced the requirement to polycrystalline silicon rod.In addition, compare with existing polycrystalline silicon rod fastening and loading device, the polycrystalline silicon rod fastening and loading device that is used for the zone melting single-crystal stove of the present embodiment has reduced operation and has reduced cost when clamping.
The fuel rod fastening and loading device of second embodiment of the present utility model, on the basis of first embodiment, slotted hole and threaded hole are further set forth:
Each slotted hole is 360 °/N along the angle of the radial direction setting of the first armature and adjacent slotted hole place radius, to the equating apart from r of the first armature center of circle, each slotted hole equates away from the end in the first armature center of circle distance R to the first armature center of circle each slotted hole near the end in the first armature center of circle;
Each threaded hole equates and equals r to the distance in the second armature center of circle near the end in the second armature center of circle, each threaded hole equates and equals R to the distance in the second armature center of circle away from the end in the second armature center of circle, and from a threaded hole near the end in the second armature center of circle to the end away from the second armature center of circle, threaded hole varies continuously to R to the distance in the second armature center of circle from r; Adjacent threaded hole is 360 °/N near the angle of an end place radius in the second armature center of circle.
Change the relative angle of the slotted hole of the threaded hole of the second armature and the first armature by rotating the second armature, make the radius of a circle at the slotted hole overlapping position place of the threaded hole of the second armature and the first armature can be at r to changing continuously between R, be described N get stuck screw place radius of a circle can be at r to changing continuously between R, and the N the other end of the screw polycrystalline silicon rod that can be installed that gets stuck, like this, the dish that gets stuck can be installed the radius of polycrystalline silicon rod at r to changing continuously between R, radius is larger.Being installed of the polycrystalline silicon rod of different radii can adopt the same dish that gets stuck to realize.
The fuel rod fastening and loading device of the 3rd embodiment of the present utility model, on the basis of first embodiment and second embodiment, to the first armature, the second armature and the screw that gets stuck are further set forth: N=3.
The fuel rod fastening and loading device of the present embodiment as shown in Figure 1, comprises the dish 100 that gets stuck; The described dish 100 that gets stuck comprises the first armature 110, the second armatures 120, and coupling shaft 130 and N are to screw 140 and the set screw nut 141 of getting stuck; Described coupling shaft 130 passes the center of circle of the first armature 110 and the second armature 120 and makes the first armature and the second armature fits, and described the first armature and the second armature can rotate with respect to coupling shaft;
As shown in Figure 2, be provided with 3 identical slotted holes 111 on described the first armature 110, each slotted hole 111 is 120 ° along the angle of the radial direction setting of the first armature and adjacent slotted hole place radius, to the equating apart from r of the first armature center of circle, each slotted hole equates away from the end in the first armature center of circle distance R to the first armature center of circle each slotted hole near the end in the first armature center of circle;
As shown in Figure 3, be provided with 3 identical threaded hole 121 on described the second armature 120, each threaded hole equates and equals r to the distance in the second armature center of circle near the end in the second armature center of circle, each threaded hole equates and equals R to the distance in the second armature center of circle away from the end in the second armature center of circle, and from a threaded hole near the end in the second armature center of circle to the end away from the second armature center of circle, threaded hole varies continuously to R to the distance in the second armature center of circle from r; Adjacent threaded hole is 120 ° near the angle of an end place radius in the second armature center of circle;
Described N is in get stuck screw and set screw nut, and each screw that gets stuck passes the overlapping position of a slotted hole and threaded hole, and an end of the described screw that gets stuck matches with a set screw nut and can lock the second armature it is fixed with respect to the first armature; The projection that is installed that the other end of each described screw that gets stuck is provided with 142,3 screws that get stuck of projection that the are installed polycrystalline silicon rod that to be installed.
The fuel rod fastening and loading device of the present embodiment adopts 3 slotted holes, and threaded hole and clamp screw is most preferred mode, is also the mode that often adopts.Because adopt on the one hand the simplest structure to solve second technical problem that embodiment can solve, simplified the polycrystalline silicon rod fastening and loading device that is used for the zone melting single-crystal stove, reduced the complexity of producing, simplified simultaneously the program that clamps polycrystalline silicon rod; On the other hand, adopt 3 slotted holes, than 4 and above slotted hole, threaded hole is good with the polycrystalline silicon rod fastening and loading device for the zone melting single-crystal stove that clamps screw with the polycrystalline silicon rod fastening and loading device stability that is used for the zone melting single-crystal stove that clamps screw for threaded hole.
The fuel rod fastening and loading device of the 4th embodiment of the present utility model, on the basis of above-mentioned any embodiment, the polycrystalline silicon rod fastening and loading device that is used for the zone melting single-crystal stove is further set forth:
Also comprise the adjustment disk; As shown in Figure 4, the center of described adjustment disk is provided with the threaded post 220 that connects use, it is relative with the dish that gets stuck that the center of described threaded post is provided with the less bottom surface in truncated cone-shaped hole and described truncated cone-shaped hole, offer passage 230 on a radius of described adjustment disk, the truncated cone-shaped hole at described passage 230 and threaded post center communicates;
Described coupling shaft is provided with spherical protuberances away from an end of the first armature and the second armature, and the end that described coupling shaft has a spherical protuberances passes passage and enters into tapered hole, and described spherical protuberances is connected in tapered hole.
Upper main shaft opposite position with the zone melting single-crystal stove is provided with heater coil, upper main shaft with heater coil coaxial and upper main shaft perpendicular to heater coil.The desirable position of polycrystalline silicon rod is between upper main shaft and heater coil, and polycrystalline silicon rod is coaxial with heater coil and vertical.
The threaded post of the connection use at the center of adjustment disk is connected with the upper main shaft of zone melting single-crystal stove, has guaranteed to adjust disk basically coaxial with the upper main shaft of zone melting single-crystal stove; The spherical protuberances of coupling shaft of dish of getting stuck is connected to and is positioned at the tapered hole of adjusting disc centre, like this, the dish that guaranteed to get stuck is basically coaxial with the adjustment disk, and the polycrystalline silicon rod that the dish that gets stuck clamps with it is basically coaxial, like this, make polycrystalline silicon rod basically coaxial with the upper main shaft of zone melting single-crystal stove, i.e. the position relationship Indirect method polycrystalline silicon rod of the upper main shaft by adjusting polycrystalline silicon rod and zone melting single-crystal stove and the position relationship between heater coil.
The fuel rod fastening and loading device of the 5th embodiment of the present utility model, on the basis of the 4th embodiment, exchange the full circle dish and further set forth:
Be provided with M identical adjustment screw on described adjustment disk, each adjusts screw is 360 °/M along the angle of the radial direction setting of adjusting disk and adjacent adjustment screw place radius, each described adjustment screw is arranged on the edge of adjusting disk, and wherein M is the natural number more than or equal to 3;
Described adjustment disk also comprises M identical adjustment screw, and each adjusts screw an adjusting nut that coordinates with it; Each is adjusted screw one end and passes the adjustment screw of adjusting disk and contact with the dish that gets stuck, and each the other end of adjusting screw matches with adjusting nut, can lock to adjust disk and make to get stuck to coil with respect to the adjustment disk and fix.
Adjust the threaded post of connection use at center of disk with after the upper main shaft of zone melting single-crystal stove is connected, adjusting disk fixes with respect to the upper main spindle's of zone melting single-crystal stove, when if polycrystalline silicon rod and position relationship between heater coil do not reach coaxial and vertical the requirement, adjust position relationship between polycrystalline silicon rod and heater coil by adjusting get stuck dish and the angle between the adjustment disk of the adjustment screw of M and then adjustment, make position relationship between polycrystalline silicon rod and heater coil more near coaxial and vertical requirement.
The fuel rod fastening and loading device of the 6th embodiment of the present utility model, on the basis of the 5th embodiment, exchange the full circle dish and further set forth:
M=3。
The fuel rod fastening and loading device of the present embodiment as shown in Figure 1, also comprises and adjusts disk 200; As shown in Figure 4, be provided with 3 identical adjustment screws on described adjustment disk 200, each adjusts screw is 120 ° along the angle of the radial direction setting of adjusting disk and adjacent adjustment screw place radius, and each described adjustment screw is arranged on the edge of adjusting disk;
Described adjustment disk also comprises 3 identical adjustment screws 210, and each adjusts screw 210 adjusting nut 211 that coordinates with it; Each is adjusted screw one end and passes the adjustment screw of adjusting disk and contact with the dish that gets stuck, and each the other end of adjusting screw matches with adjusting nut, can lock to adjust disk and make to get stuck to coil with respect to the adjustment disk and fix.
The fuel rod fastening and loading device of the present embodiment adopts 3 to adjust screw, is most preferred mode, is also the mode that often adopts.Because adopt on the one hand the simplest structure to solve the 5th technical problem that embodiment can solve, simplified the fuel rod fastening and loading device, reduced the complexity of producing, simplified simultaneously the program that clamps polycrystalline silicon rod; On the other hand, adopt 3 fuel rod fastening and loading device stability of adjusting screws better than the fuel rod fastening and loading device of 4 and above adjustment screw.
The fuel rod fastening and loading device of the 7th embodiment of the present utility model, on the basis of the 5th embodiment, the first armature and adjustment disk are further set forth:
Described the first armature is relative with the adjustment disk, and described adjustment screw one end passes the adjustment screw of adjusting disk and contacts with the first armature.
The fuel rod fastening and loading device of the 8th embodiment of the present utility model, on the basis of the 5th embodiment, the fuel rod fastening and loading device is further set forth:
Described coupling shaft is cylindrical coupling shaft, and the diameter of described spherical protuberances is greater than the diameter of cylindrical coupling shaft;
The width of described passage is greater than the diameter of cylindrical coupling shaft; The diameter of described spherical protuberances is greater than the diameter of the diameter of less bottom surface, truncated cone-shaped hole and the described cylindrical coupling shaft diameter greater than less bottom surface, truncated cone-shaped hole.
The fuel rod that the 9th embodiment of the present utility model provides a kind of and above-mentioned any fuel rod fastening and loading device to match, be described as an example of polycrystalline silicon rod example in the present embodiment, need to prove that fuel rod is not limited to polycrystalline silicon rod, can be also other fuel rod; One end of described polycrystalline silicon rod is taper, and the other end of described polycrystalline silicon rod is cylindrical, and the outside surface of the columniform end of described polycrystalline silicon rod is provided with groove, and described groove matches with the projection that clamps of the screw that gets stuck of fuel rod fastening and loading device.
The fuel rod of the 9th embodiment of the present utility model, on the basis of the 8th embodiment, fuel rod is further set forth:
The radius of cylinder at r between R.
Fuel rod fastening and loading device of the present utility model, the process of fuel rod that clamps the present embodiment is as follows:
At first, fuel rod is hung over an end of the screw that gets stuck of the dish that gets stuck by groove; The radius adjustment of an end columniform according to the fuel rod screw place radius of a circle that gets stuck is adjusted the position of the screw that gets stuck, the locking screw that gets stuck;
Then, get stuck dish and polycrystalline silicon rod are put into the burner hearth of zone melting single-crystal stove, the passage that the end that coupling shaft is had a spherical protuberances passes the adjustment disk enters into tapered hole, and described spherical protuberances is connected in tapered hole;
At last, rotate the adjustment screw of adjusting disk, make fuel rod basically coaxial with the upper main shaft of zone melting single-crystal stove, i.e. fuel rod and heater coil perpendicular; Screw is adjusted in locking, namely completes clamping fuel rod.
Obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model embodiment.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. a fuel rod fastening and loading device, is characterized in that, comprises the dish that gets stuck; The described dish that gets stuck comprises the first armature, and the second armature, coupling shaft and N are to screw and the set screw nut of getting stuck, and wherein N is the natural number more than or equal to 3; Described coupling shaft passes the center of circle of the first armature and the second armature and described the first armature and the second armature is fitted, and described the first armature and the second armature can rotate with respect to coupling shaft; Be provided with N identical slotted hole on described the first armature, be provided with N identical threaded hole on described the second armature, the threaded hole overlapping position of the slotted hole of described the first armature and the second armature is in take coupling shaft as the center of circle, on the identical same circle of radius;
Described N is in get stuck screw and set screw nut, each screw that gets stuck passes the overlapping position of a slotted hole and threaded hole, one end matches with a set screw nut and can lock the second armature it is fixed with respect to the first armature, the other end is provided with the projection that is installed, N all projections that are installed of screw fuel rod that can be installed that gets stuck.
2. fuel rod fastening and loading device according to claim 1, it is characterized in that, each slotted hole is 360 °/N along the angle of the radial direction setting of the first armature and adjacent slotted hole place radius, to the equating apart from r of the first armature center of circle, each slotted hole equates away from the end in the first armature center of circle distance R to the first armature center of circle each slotted hole near the end in the first armature center of circle;
Each threaded hole equates and equals r to the distance in the second armature center of circle near the end in the second armature center of circle, each threaded hole equates and equals R to the distance in the second armature center of circle away from the end in the second armature center of circle, and from a threaded hole near the end in the second armature center of circle to the end away from the second armature center of circle, threaded hole varies continuously to R to the distance L in the second armature center of circle from r; Adjacent threaded hole is 360 °/N near the angle of an end place radius in the second armature center of circle.
3. fuel rod fastening and loading device according to claim 1 and 2, is characterized in that N=3.
4. fuel rod fastening and loading device according to claim 3, is characterized in that, also comprises the adjustment disk; The center of described adjustment disk is provided with the threaded post that connects use, it is relative with the dish that gets stuck that the center of described threaded post is provided with the less bottom surface in truncated cone-shaped hole and described truncated cone-shaped hole, offer passage on a radius of described adjustment disk, the truncated cone-shaped hole at described passage and threaded post center communicates;
Described coupling shaft is provided with spherical protuberances away from an end of the first armature and the second armature, and the end that described coupling shaft has a spherical protuberances passes passage and enters into tapered hole, and described spherical protuberances is connected in tapered hole.
5. fuel rod fastening and loading device according to claim 4, it is characterized in that, be provided with M identical adjustment screw on described adjustment disk, each adjusts screw is 360 °/M along the angle of the radial direction setting of adjusting disk and adjacent adjustment screw place radius, each described adjustment screw is arranged on the edge of adjusting disk, and wherein M is the natural number more than or equal to 3;
Described adjustment disk also comprises M identical adjustment screw, and each adjusts screw an adjusting nut that coordinates with it; Each is adjusted screw one end and passes the adjustment screw of adjusting disk and contact with the dish that gets stuck, and each the other end of adjusting screw matches with adjusting nut, can lock to adjust disk and make to get stuck to coil with respect to the adjustment disk and fix.
6. fuel rod fastening and loading device according to claim 5, is characterized in that M=3.
7. fuel rod fastening and loading device according to claim 5, is characterized in that, described the first armature is relative with the adjustment disk, and described adjustment screw one end passes the adjustment screw of adjusting disk and contacts with the first armature.
8. fuel rod fastening and loading device according to claim 4, is characterized in that, described coupling shaft is cylindrical coupling shaft, and the diameter of described spherical protuberances is greater than the diameter of cylindrical coupling shaft;
The width of described passage is greater than the diameter of cylindrical coupling shaft; The diameter of described spherical protuberances is greater than the diameter of the diameter of less bottom surface, truncated cone-shaped hole and the described cylindrical coupling shaft diameter greater than less bottom surface, truncated cone-shaped hole.
9. fuel rod that matches with above-mentioned any fuel rod fastening and loading device, it is characterized in that, one end of described fuel rod is taper, the other end of described fuel rod is cylindrical, the outside surface of the columniform end of described fuel rod is provided with groove, and described groove matches with the projection that clamps of the screw that gets stuck of fuel rod fastening and loading device.
10. fuel rod according to claim 9, is characterized in that, the radius of cylinder at r between R.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548141 CN202925143U (en) | 2012-10-24 | 2012-10-24 | Raw material rod clamping device and raw material rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548141 CN202925143U (en) | 2012-10-24 | 2012-10-24 | Raw material rod clamping device and raw material rod |
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| Publication Number | Publication Date |
|---|---|
| CN202925143U true CN202925143U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220548141 Withdrawn - After Issue CN202925143U (en) | 2012-10-24 | 2012-10-24 | Raw material rod clamping device and raw material rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925961A (en) * | 2012-10-24 | 2013-02-13 | 北京京运通科技股份有限公司 | Raw material rod clamping device and raw material rod |
-
2012
- 2012-10-24 CN CN 201220548141 patent/CN202925143U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925961A (en) * | 2012-10-24 | 2013-02-13 | 北京京运通科技股份有限公司 | Raw material rod clamping device and raw material rod |
| CN102925961B (en) * | 2012-10-24 | 2015-10-21 | 北京京运通科技股份有限公司 | Fuel rod fastening and loading device and fuel rod |
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Effective date of registration: 20130820 Address after: 100176, No. four, No. 158, Hai Lu, Daxing District economic and Technological Development Zone, Beijing Patentee after: Beijing JingyuntongTechnology Co.,Ltd. Patentee after: Beijing Tianneng Yuntong Crystal Technology Co., Ltd. Address before: 100176, No. four, No. 158, Hai Lu, Daxing District economic and Technological Development Zone, Beijing Patentee before: Beijing JingyuntongTechnology Co.,Ltd. |
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