CN108387759B - Universal 1553B bus circuit anti-fuse adjusting clamp - Google Patents
Universal 1553B bus circuit anti-fuse adjusting clamp Download PDFInfo
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- CN108387759B CN108387759B CN201810036984.7A CN201810036984A CN108387759B CN 108387759 B CN108387759 B CN 108387759B CN 201810036984 A CN201810036984 A CN 201810036984A CN 108387759 B CN108387759 B CN 108387759B
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- shell
- swing arm
- hole
- rod
- push rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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Abstract
The invention discloses a general 1553B bus circuit antifuse adjusting clamp which comprises a shell, a rotating shaft, a swing arm, an insert pin seat, a rotary rod, a push rod, an ejector rod and a positioning screw, wherein the rotating shaft is arranged on the shell; the shell is cubic, and the swing arm is an I-shaped plate; the top surface of the shell is provided with a step hole for installing a rotary rod, the bottom surface of the shell is provided with a step groove for adjusting an anti-fuse of a bus circuit, and the side surface of the shell is sequentially provided with a through hole for installing a push rod, a screw hole for installing a positioning screw and a step taper hole for installing a push rod along the direction from the top surface to the bottom surface; the side surface of the shell is provided with a boss for assembling the swing arm, and the boss and the swing arm are both provided with through holes for installing the rotating shaft; the positions of the swing arms corresponding to the step grooves on the bottom surface of the shell are respectively provided with a groove for mounting the pin seat and a through hole for mounting the pin. The anti-fuse wire adjusting fixture realizes reliable adjustment of the anti-fuse wire of the bus circuit by matching the shell, the rotating shaft, the swing arm, the pin seat, the rotary rod, the push rod, the ejector rod and the positioning screw, and makes up for the defects of the traditional adjusting fixture tool.
Description
Technical Field
The invention relates to a general 1553B bus circuit antifuse adjusting clamp, and belongs to the technical field of circuit testing.
Background
The 1553B bus originates from the 70 th century, and is widely applied to the fields of aerospace, aviation, weaponry and the like due to high reliability and stability. However, the performance of the 1553B bus circuit is affected by various factors such as process errors, so that the batch consistency of important parameter indexes such as the output Vos, VthD, Vpp and the like is poor, and the application of the circuit is limited. In order to solve the problem of batch consistency of key parameters, an anti-fuse adjusting unit is introduced in the design of the circuit to adjust the critical parameters.
In order to replace imported circuits with domestic circuits, the domestic relevant 1553B bus series circuits are completely compatible with products of the U.S. DDC company in the packaging form at present, and an MCP packaging places an adjusting pin on the side face of a tube shell. However, the adjusting clamp in the domestic market has poor adjusting precision and low adjusting efficiency, and cannot meet the actual requirements of batch debugging and adjusting of 1553B bus circuits.
Disclosure of Invention
The technical problem solved by the invention is as follows: the invention overcomes the defects of the prior art, and provides a general 1553B bus circuit antifuse adjusting clamp, which realizes reliable adjustment of an antifuse of a 1553B bus series circuit through the matching of a shell, a rotating shaft, a swing arm, a pin seat, a rotary rod, a push rod and a positioning screw, and makes up the defects of a traditional adjusting clamp or a traditional tool.
The technical solution of the invention is as follows:
a general 1553B bus circuit antifuse adjusting clamp comprises a shell, a rotating shaft, a swing arm, an insert pin seat, a rotary rod, a push rod, an ejector rod and a positioning screw; the shell is of a solid cubic structure, and the swing arm is of a solid I-shaped plate structure; the top surface of the shell is provided with a step hole for installing a rotary rod, the bottom surface of the shell is provided with a step groove for adjusting the anti-fuse of the bus circuit, and the side surface of the shell is sequentially provided with a through hole for installing a push rod, a screw hole for installing a positioning screw and a step taper hole for installing a push rod along the direction from the top surface to the bottom surface; two bosses for assembling the swing arms are arranged in the middle of the side surface of the shell, and through holes for installing the rotating shaft are formed in the bosses and the middles of the swing arms; the positions of the swing arms corresponding to the step grooves on the bottom surface of the shell are respectively provided with a groove for mounting the pin seat and a through hole for mounting the pin.
In the general 1553B bus circuit anti-fuse adjusting clamp, the shell is made of acrylic materials, the through hole for installing the push rod, the screw hole and the hole center of the stepped taper hole are collinear on the side face of the shell, and the hole center connecting line is parallel to the axis of the stepped hole on the top face of the shell.
In foretell 1553B bus circuit antifuse adjustment anchor clamps, be equipped with between swing arm and the casing and be used for around the clearance of rotation, the swing arm laminates with push rod and ejector pin simultaneously, and the position that corresponds the laminating push rod on the swing arm is equipped with the metal cushion who is used for reinforcement contact surface hardness.
In the general 1553B bus circuit antifuse adjusting clamp, the pin base is of a solid cuboid structure, and a plurality of through holes for installing pins are uniformly formed in the pin base along the length direction; the pin base is also provided with a screw hole for screwing the swing arm.
In the general 1553B bus circuit anti-fuse adjusting clamp, the rotary rod comprises a knob, a conical shaft, a half-thread barrel and a limiting bolt; the rotary rod penetrates through a step hole in the top surface of the shell; the inclined plane and the push rod laminating of conical shaft, conical shaft major diameter end are equipped with the knob, and conical shaft minor diameter end fixed connection half thread swivel nut installs spacing bolt on the half thread swivel nut for the rotation range of restriction swing arm is in 0 ~ 180.
In the general 1553B bus circuit antifuse adjusting clamp, the inclination angle of the inclined plane of the conical shaft is set to be 45 °.
In the general 1553B bus circuit antifuse adjusting clamp, the half-thread insert adopts double threads, and the thread pitch of the half-thread insert is set to be 2 mm.
In the general 1553B bus circuit antifuse adjusting clamp, the push rod is a solid straight rod; the push rod is arranged in the through hole in the side face of the shell in a penetrating mode, one end of the push rod is attached to the rotary rod, and the other end of the push rod is attached to the swing arm.
In the general 1553B bus circuit antifuse adjusting clamp, the ejector rod is a step shaft and penetrates through a step taper hole in the side face of the shell; the center of the end face of the large diameter end of the ejector rod is provided with a hemispherical head for being attached to the swing arm, and a spring is arranged on the intersection surface of the large diameter end of the ejector rod and the small diameter end of the ejector rod.
In the general 1553B bus circuit anti-fuse adjusting clamp, the positioning screws are sequentially arranged in the screw holes and the rotary rods on the side surface of the shell in a penetrating manner and used for fixing the rotary rods in the shell.
Compared with the prior art, the invention has the beneficial effects that:
【1】 The anti-fuse wire of the 1553B bus series circuit is accurately adjusted by matching the rotary rod, the push rod, the swing arm and the ejector rod; meanwhile, a plurality of swing arms and pin sockets can be assembled on the shell, and the anti-fuse adjustment efficiency of the 1553B bus series circuit is obviously improved.
【2】 The invention has compact integral structure, relatively long service life, wide application range and good market application prospect, is suitable for various working environments, and can still well run under complex working conditions.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a view showing the structure of the present invention
FIG. 2 is a schematic view of the housing
FIG. 3 is a schematic view of a swing arm
FIG. 4 is a schematic view of the hub
FIG. 5 is a schematic view of a swing arm
FIG. 6 is a schematic view of the ejector pin
Wherein: 1, a shell; 2, rotating a shaft; 3, swinging the arm; 4, inserting a needle seat; 5, rotating a rod; 6, pushing a rod; 7, a mandril; 8, positioning a screw; 51 a knob; 52 a tapered shaft; 53 half-thread insert; 54 a limit bolt;
Detailed Description
In order that the manner in which the invention is worked will become more apparent, the invention will be further described with reference to the following description and specific examples taken in conjunction with the accompanying drawings in which:
as shown in fig. 1, a general 1553B bus circuit antifuse adjusting clamp comprises a shell 1, a rotating shaft 2, a swing arm 3, an insert pin seat 4, a rotary rod 5, a push rod 6, an ejector rod 7 and a positioning screw 8; the shell 1 is of a solid cubic structure, and the swing arm 3 is of a solid I-shaped plate structure; the top surface of the shell 1 is provided with a step hole for installing a rotary rod 5, the bottom surface of the shell 1 is provided with a step groove for adjusting the anti-fuse of the bus circuit, and the side surface of the shell 1 is sequentially provided with a through hole for installing a push rod 6, a screw hole for installing a positioning screw 8 and a step taper hole for installing a push rod 7 along the direction from the top surface to the bottom surface; two bosses for assembling the swing arm 3 are arranged in the middle of the side surface of the shell 1, and through holes for installing the rotating shaft 2 are formed in the bosses and the middle of the swing arm 3; the positions of the swing arm 3 corresponding to the step grooves on the bottom surface of the shell 1 are respectively provided with a groove for mounting the pin seat 4 and a through hole for mounting a pin.
As shown in fig. 2, preferably, the housing 1 is made of an acrylic material, the through hole for mounting the push rod 6 on the side surface of the housing 1, the screw hole and the hole center of the stepped taper hole are collinear, and the hole center connecting line is parallel to the axis of the stepped hole on the top surface of the housing 1.
Preferably, the surface of the housing 1 is provided with an identification symbol which clearly indicates the locking or releasing state of the clamp and identifies the first pin direction of the circuit to be tested.
As shown in fig. 3, preferably, a gap for rotating around the rotating shaft 2 is provided between the swing arm 3 and the housing 1, the swing arm 3 is simultaneously attached to the push rod 6 and the push rod 7, and a metal pad for reinforcing the hardness of the contact surface is provided on the swing arm 3 at a position corresponding to the attachment of the push rod 6.
As shown in fig. 4, preferably, the pin holder 4 is of a solid cuboid structure, and a plurality of through holes for mounting pins are uniformly formed in the pin holder 4 along the length direction; the needle inserting seat 4 is also provided with a screw hole for screwing the swing arm 3.
Preferably, the number of the contact pins is eight, the contact pins adopt phi 1.5 spring probes, the moving range of the head of the contact pin is 1mm, and the tail of the contact pin is provided with a detachable wire leading port.
As shown in fig. 5, the rotating rod 5 preferably includes a knob 51, a tapered shaft 52, a half-threaded nut 53 and a limit bolt 54; the rotary rod 5 is arranged in a step hole in the top surface of the shell 1 in a penetrating manner; the inclined plane of conical shaft 53 and the laminating of push rod 6, conical shaft 52 major diameter end are equipped with knob 51, and conical shaft 52 minor diameter end fixed connection half thread swivel nut 53 installs stop bolt 54 on the half thread swivel nut 53 for the rotation range of restriction swing arm 5 is in 0 ~ 180, can prevent effectively that excessive rotation swing arm 5 from, also plays the guard action simultaneously to swing arm 3, ejector pin 7 and casing 1.
Preferably, the inclination of the inclined surface of the tapered shaft 52 is set to 45 ° so that the stroke of the swing lever 5 is the same as that of the push lever 6.
Preferably, the half thread insert 53 has a double thread, and the pitch of the half thread insert 53 is set to 2 mm.
Preferably, the push rod 6 is a solid straight rod; the push rod 6 is arranged in a through hole in the side face of the shell 1 in a penetrating mode, one end of the push rod 6 is attached to the rotating rod 5, and the other end of the push rod 6 is attached to the swing arm 3.
Preferably, the material of the push rod 6 is stainless steel.
As shown in fig. 6, preferably, the ejector rod 7 is a stepped shaft, and the ejector rod 7 is inserted into a stepped taper hole on the side surface of the housing 1; the center of the end face of the large-diameter end of the ejector rod 7 is provided with a hemispherical head for being attached to the swing arm 3, and a spring is arranged on the joint face of the large-diameter end of the ejector rod 7 and the small-diameter end of the ejector rod 7.
Preferably, the material of the ejector rod 7 is stainless steel.
Preferably, the set screw 8 is sequentially inserted into a screw hole on the side of the housing 1 and the rotating rod 5, for fixing the rotating rod 5 in the housing 1.
The working principle of the invention is as follows:
rotating the knob 51 to screw the rotary rod 5 into the housing 1; at the moment, the inclined surface of the conical shaft 52 extrudes the push rod 6 to move towards the outer side of the shell 1, the push rod 6 pushes the swing arm 3 to rotate around the rotating shaft 2, the swing arm 3 presses the ejector rod 7 to move towards the inner side of the shell 1, and a spring on the ejector rod 7 is in a compressed state; meanwhile, the pin seat 4 on the swing arm 3 and the through hole for installing the pin are both positioned near the step groove on the bottom surface of the shell 1, so that the spring probe can be used for adjusting the anti-fuse of the 1553B bus circuit;
when the adjustment is finished, the knob 51 is rotated reversely to make the rotary rod 5 be screwed out of the shell 1; at the moment, the inclined plane of the conical shaft 52 does not extrude the push rod 6 any more, the spring on the ejector rod 7 releases elastic potential energy, the ejector rod 7 pushes the swing arm 3 to rotate around the rotating shaft 2 in the reverse direction, and the swing arm 3 presses the push rod 6 to move towards the inner side of the shell 1; meanwhile, the pin seat 4 on the swing arm 3 is far away from the bottom surface of the shell 1, so that the replacement of the pins and the maintenance of related parts can be carried out.
Those skilled in the art will appreciate that the details not described in the present specification are well known.
Claims (5)
1. The utility model provides a general 1553B bus circuit antifuse adjustment anchor clamps which characterized in that: comprises a shell (1), a rotating shaft (2), a swing arm (3), an inserting needle seat (4), a rotating rod (5), a push rod (6), an ejector rod (7) and a positioning screw (8); the shell (1) adopts a solid cubic structure, and the swing arm (3) adopts a solid I-shaped plate structure; the top surface of the shell (1) is provided with a step hole for installing a rotary rod (5), the bottom surface of the shell (1) is provided with a step groove for adjusting the anti-fuse of the bus circuit, and the side surface of the shell (1) is sequentially provided with a through hole for installing a push rod (6), a screw hole for installing a positioning screw (8) and a step taper hole for installing a mandril (7) along the direction from the top surface to the bottom surface; two bosses used for assembling the swing arm (3) are arranged in the middle of the side surface of the shell (1), and through holes used for installing the rotating shaft (2) are formed in the bosses and the middle of the swing arm (3); a groove for mounting the pin seat (4) and a through hole for mounting a pin are respectively arranged on the swing arm (3) corresponding to the position of the step groove on the bottom surface of the shell (1);
a gap for rotating around the rotating shaft (2) is formed between the swing arm (3) and the shell (1), the swing arm (3) is attached to the push rod (6) and the ejector rod (7) at the same time, and a metal cushion block for reinforcing the hardness of the contact surface is arranged on the position, corresponding to the attachment of the push rod (6), on the swing arm (3);
the rotary rod (5) comprises a knob (51), a conical shaft (52), a half-thread insert (53) and a limiting bolt (54); the rotary rod (5) penetrates through a step hole in the top surface of the shell (1); the inclined plane of the conical shaft (53) is attached to the push rod (6), the knob (51) is arranged at the large-diameter end of the conical shaft (52), the half-thread insert (53) is fixedly connected to the small-diameter end of the conical shaft (52), and the half-thread insert (53) is provided with a limiting bolt (54) for limiting the rotation range of the rotary rod (5) to be 0-180 degrees;
the push rod (6) is a solid straight rod; the push rod (6) is arranged in a through hole in the side face of the shell (1) in a penetrating mode, one end of the push rod (6) is attached to the rotary rod (5), and the other end of the push rod (6) is attached to the swing arm (3);
the ejector rod (7) is a step shaft, and the ejector rod (7) penetrates through a step taper hole in the side face of the shell (1); a semi-spherical head for being attached to the swing arm (3) is arranged at the center of the end face of the large-diameter end of the ejector rod (7), and a spring is arranged on the intersection surface of the large-diameter end of the ejector rod (7) and the small-diameter end of the ejector rod (7);
the positioning screws (8) are sequentially arranged in the screw holes and the rotating rods (5) on the side face of the shell (1) in a penetrating mode and used for fixing the rotating rods (5) in the shell (1).
2. The anti-fuse adjustment clamp for a 1553B universal bus circuit according to claim 1, wherein: the shell (1) is made of acrylic materials, a through hole used for installing the push rod (6) in the side face of the shell (1), the screw hole and the hole center of the step taper hole are collinear, and the hole center connecting line is parallel to the axis of the step hole in the top face of the shell (1).
3. The anti-fuse adjustment clamp for a 1553B universal bus circuit according to claim 1, wherein: the plug pin seat (4) adopts a solid cuboid structure, and a plurality of through holes for mounting plug pins are uniformly formed in the plug pin seat (4) along the length direction; the pin base (4) is also provided with a screw hole for screwing the swing arm (3).
4. The anti-fuse adjustment clamp for a 1553B universal bus circuit according to claim 1, wherein: the inclination angle of the inclined surface of the tapered shaft (52) is set to 45 °.
5. The anti-fuse adjustment clamp for a 1553B universal bus circuit according to claim 1, wherein: the half-thread insert (53) adopts double threads, and the thread pitch of the half-thread insert (53) is set to be 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810036984.7A CN108387759B (en) | 2018-01-15 | 2018-01-15 | Universal 1553B bus circuit anti-fuse adjusting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810036984.7A CN108387759B (en) | 2018-01-15 | 2018-01-15 | Universal 1553B bus circuit anti-fuse adjusting clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108387759A CN108387759A (en) | 2018-08-10 |
| CN108387759B true CN108387759B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810036984.7A Active CN108387759B (en) | 2018-01-15 | 2018-01-15 | Universal 1553B bus circuit anti-fuse adjusting clamp |
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| CN (1) | CN108387759B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112816741B (en) * | 2020-12-22 | 2023-04-14 | 北京时代民芯科技有限公司 | Universal 1553B bus circuit anti-fuse adjusting clamp |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004015832A2 (en) * | 2002-08-02 | 2004-02-19 | Klaus Bruchmann | Support rail for a bus bar adapter and adapter system comprising one such support rail |
| CN101878508A (en) * | 2007-09-28 | 2010-11-03 | 桑迪士克3D公司 | The method of a plurality of anti-fuse memory element and formation, programming and this device of test |
| CN102298079A (en) * | 2010-06-25 | 2011-12-28 | 东京毅力科创株式会社 | Parallel adjusting mechanism and inspecting device of probe card |
| CN102778591A (en) * | 2012-07-20 | 2012-11-14 | 昆山迈致治具科技有限公司 | Jig for measuring voltage of PCB (printed circuit board) |
| CN202794247U (en) * | 2012-09-27 | 2013-03-13 | 无锡天和电子有限公司 | Special-purpose debug fixture for double-sided printed circuit board circuit |
| CN103823784A (en) * | 2014-03-24 | 2014-05-28 | 上海航天电子通讯设备研究所 | FC-AE-1553 bus controller based on FPGA |
| CN205342494U (en) * | 2016-01-04 | 2016-06-29 | 苏州千皖城数控机床有限公司 | Lathe universal tool post anchor clamps |
-
2018
- 2018-01-15 CN CN201810036984.7A patent/CN108387759B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004015832A2 (en) * | 2002-08-02 | 2004-02-19 | Klaus Bruchmann | Support rail for a bus bar adapter and adapter system comprising one such support rail |
| CN101878508A (en) * | 2007-09-28 | 2010-11-03 | 桑迪士克3D公司 | The method of a plurality of anti-fuse memory element and formation, programming and this device of test |
| CN102298079A (en) * | 2010-06-25 | 2011-12-28 | 东京毅力科创株式会社 | Parallel adjusting mechanism and inspecting device of probe card |
| CN102778591A (en) * | 2012-07-20 | 2012-11-14 | 昆山迈致治具科技有限公司 | Jig for measuring voltage of PCB (printed circuit board) |
| CN202794247U (en) * | 2012-09-27 | 2013-03-13 | 无锡天和电子有限公司 | Special-purpose debug fixture for double-sided printed circuit board circuit |
| CN103823784A (en) * | 2014-03-24 | 2014-05-28 | 上海航天电子通讯设备研究所 | FC-AE-1553 bus controller based on FPGA |
| CN205342494U (en) * | 2016-01-04 | 2016-06-29 | 苏州千皖城数控机床有限公司 | Lathe universal tool post anchor clamps |
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| CN108387759A (en) | 2018-08-10 |
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