CN202943568U - Probing type shape memory alloy (SMA) wrench - Google Patents
Probing type shape memory alloy (SMA) wrench Download PDFInfo
- Publication number
- CN202943568U CN202943568U CN 201220566342 CN201220566342U CN202943568U CN 202943568 U CN202943568 U CN 202943568U CN 201220566342 CN201220566342 CN 201220566342 CN 201220566342 U CN201220566342 U CN 201220566342U CN 202943568 U CN202943568 U CN 202943568U
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- sma
- wrench
- bar section
- spanner
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Abstract
The utility model relates to a probing type shape memory alloy (SMA) wrench which is characterized by comprising a U-shaped rod portion, an expansion rod and an operating handle. A cross section of the U-shaped rod portion is a U-shaped inner wall structure. Strip-typed guiding sliding groove are formed in the two side walls, wherein the two side walls are relative to one end. One end of the expansion rod is inserted into the U-shaped inner wall structure, wherein the U-shaped inner wall structure is provided with the stripe-shaped guiding sliding groove. One end of the expansion rod is tightly connected with a locking nut by using a guiding locking pin. The operating handle is arranged at the other end of the expansion rod. According to the probing type SMA wrench, compared with an existing SMA wrench, on one hand, the probing type SMA wrench can be used for directly probing into SMA plugs of different depth of the narrow space, wherein the SMA plugs are needed to dismantle and install. Any surrounding components are not needed to dismantle so that a dismantling operation and an installing operation of a plug can be achieved. Labor intensity can be reduced, and labor efficiency can be observably improved. On the other hand, the probing type SMA wrench is used for operating with saving labor and not damaging plugs and sockets. The dismantling and installing work is safe and reliable.
Description
Technical field
The invention belongs to product and equipment debugging and maintenance instrument, be specifically related to a kind of exploration type SMA spanner, directly realize SMA connector dismounting operation
Background technology
Many cables link together by SMA type connector, can use existing SMA spanner to complete according to rational assembly technology when assembling.The version of existing SMA spanner has following 3 kinds:
1) yi word pattern: its head of yi word pattern SMA spanner and bar section point-blank, during work, the gyroaxis of Wrench head is vertical with wrenching bar section axis, requires the connector surrounding space larger when characteristics are work.
2) curved head type: there are certain angle in its head of curved head type spanner and bar section, and angle is generally right angle or obtuse angle, and during work, the gyroaxis of Wrench head is also vertical with wrenching bar section axis, requires the connector surrounding space also larger when characteristics are work.
3) L-type: its plane, head place of L-type spanner and bar section are L-shaped, and during work, the gyroaxis of Wrench head is parallel with wrenching bar section axis, requires connector surrounding space less when characteristics are work.
But when radar debugging and maintenance, often need to detect or change some of them SMA connector and cable, just must carry out the operation of these SMA connectors of dismounting.The residing location comparison of some SMA connectors is special, and the SMA spanner of existing several versions can't be satisfied the demand, as: 1, SMA connector surrounding space is narrower and small, and yi word pattern and curved head type spanner all can't be near these connectors; When 2, a plurality of SMA connectors are closely arranged, adjacent between distance less, existing spanner can't dismounting be in the connector of non-fringe region; 3, the SMA connector is arranged on position with certain depth and surrounding space hour, yi word pattern and curved head type spanner also can't be near connectors, the L-type spanner is in the situation that have can be near connector, when working greater than the L-type spanner as SMA connector surrounding space during the radius of gyration of bar section.But due to act on plugs and sockets its centre of twist of moment of torsion not with the dead in line of wrenching bar section, not only require great effort during operation, and easily make the SMA connector socket when bearing moment of torsion, also bear certain Moment, contact pin to plug has certain destruction, the degree of depth is darker, and more effort, more easily produce destruction.Therefore, if use existing SMA spanner, often need first to remove near the part parts of SMA socket, the elder generation that even needs that has all splits out the whole receive-transmit system of radar in antenna house, carry out again on it operation that changes of the SMA connector installed, and then other parts or receive-transmit system are all reinstalled put in place.Whole process is not only consuming time but also require great effort.
Summary of the invention
The technical problem that solves
For fear of the deficiencies in the prior art part, the present invention proposes a kind of exploration type SMA spanner, solves defective and the deficiency of existing SMA spanner.
Technical scheme
A kind of exploration type SMA spanner is characterized in that comprising U-shaped bar section 2, expansion link 3 and operating grip 4; The cross section of U-shaped bar section 2 is U-shaped interior wall construction, two sidewalls that one end is relative are provided with the bar shaped guide chute, one end of expansion link 3 inserts and is provided with in the U-shaped interior wall construction of bar shaped guide chute, and adopting guiding locking nail and lock nut to be fastenedly connected, the other end of expansion link 3 is provided with operating grip 4.
Be provided with Wrench head 1 in U-shaped bar section 2, Wrench head 1 has the U-shaped gap that the U-shaped interior wall construction with U-shaped bar section 2 matches, and outer surface is arc structure, and outer surface and U-shaped gap face intersection are arc transition; Be provided with groove with U-shaped bar section 2 connecting portions, the U-shaped inwall of U-shaped bar section 2 inserts in groove.
The shaft size at the bar shaped guide chute position of described U-shaped bar section 2 strengthens according to the needs of bar shaped guide chute.
Beneficial effect
A kind of exploration type SMA spanner that the present invention proposes, compare with existing SMA spanner, on the one hand, use this exploration type SMA spanner can directly be deep into the SMA connector place of different depth place's need dismounting in small space, any parts around need not to dismantle can be realized the dismounting operation of plug.Reduce labour intensity, significantly improved efficiency.On the other hand, use this exploration type SMA spanner, operating is laborsavingly can not damage plug and socket again, and namely safety is reliable again to make disassemble and assemble work.Beneficial effect:
1, when the SMA of need dismounting connector is in small space or puts than deep-seated, need not to dismantle its any parts on every side, can directly realize SMA connector dismounting operation.2, in disassembly process, make to act on plugs and sockets its centre of twist of moment of torsion and wrenching bar section and overlap, can easily realize safely SMA connector dismounting operation.
Description of drawings
Fig. 1: the threedimensional model of exploration type SMA spanner of the present invention
Fig. 2: the structure explosive view of exploration type SMA spanner of the present invention
1 is Wrench head, and 2 is U-shaped bar section, and 3 is expansion link, and 4 is operating grip, and 5 are the guiding locking nail, and 6 is lock nut.
The specific embodiment
Now in conjunction with the embodiments, the invention will be further described for accompanying drawing:
1, when design makes the bar section of spanner vertical with the installed surface of SMA socket, and bar section is designed to telescopic structure, and length can be regulated as required within the specific limits, realizes that different depth in small space (in certain limit) locates the dismounting of plug and operate.
2, when design overlaps the axis of wrenching bar section with the rotary middle spindle of Wrench head, and when carrying out the plug dismounting, not only laborsaving but also plugs and sockets can not bear Moment.Simultaneously, be designed to the groove structure near the bar section section of head, when carrying out plug dismounting operation with spanner, the cable that is connected with plug can freely can not bear torsional interaction by this groove.
With reference to above accompanying drawing, the specific embodiment of this exploration type SMA spanner is done to be described in detail as follows:
Referring to Fig. 1, Fig. 2, this exploration type SMA spanner mainly is comprised of Wrench head 1, U-shaped bar section 2, expansion link 3, operating grip 4, guiding locking nail 5 and lock nut 6.It is highly 8mm for Wrench head, and U-shaped gap width is 8.1mm, and outline is that diameter is the circular arc of 14mm, outer surface and U-shaped gap face intersection are arc transition, arc radius is 1mm, has a wide 1.6mm of being on upper plane, deeply is that the U-shaped groove of 2mm, Wrench head material are the 20# steel plate.U-shaped bar minister degree is 174mm, is shaped with the thick 20# steel plate bending of 1.5mm, and U-shaped inwall distance be 9.7mm, and U-shaped bar section is inserted in the U-shaped groove on plane on Wrench head, two is welded together after making the applying of bar end surface and U-shaped trench bottom.Bar section rear both sides are provided with the bar shaped guide chute, long are 64mm, and wide is 4.1mm, and chute two ends are arc surface, and owing to will adding guide chute, so this section shaft is widened 3.2mm, beam overall is 12.5mm.The material of expansion link is the 20# round steel, long is 80mm, respectively open a diameter at distance rod end surface 8mm and 20mm place and be 4.1 through hole, the center line in hole is vertical with the center line of expansion link and crossing, the center line of two through holes is in same plane, the adjustable length of expansion link is 48mm like this, and the bar minister degree scope of spanner is 172mm-220mm.Handle is to weld together with the expansion link tail end after bending to the obtuse triangle of round-corner transition with the 20# round steel that diameter is 4mm again.Guiding locking nail and lock nut are special special-shaped screw and nut, are M4.The head cross section of guiding locking nail be square, and the length of side is 8mm, and thickness is 5mm, and 4 inclines are arc transition, and material is the 20# steel.The wrench body part is all processed through chrome-faced.
During assembling, first expansion link is inserted this end that there is guide chute in U-shaped bar section, make the through hole on it relative with gathering sill, again two guiding locking nails are inserted respectively gathering sill from both sides, by the through hole on expansion link, stretch out from another gathering sill, install respectively at last two lock nut.During use, with lock nut hand-screw pine half-turn, expansion link can slide up and down in U-shaped groove under the guiding of bar shaped guide chute, according to Len req, after axially pulling expansion link to regulate, tighten lock nut, spanner is extend into needs the SMA of dismounting connector place, the U-shaped gap of Wrench head blocks SMA connector, and rotating operating handle can carry out the dismounting operation of plug.
Be below the applicating example of this exploration type SMA spanner:
The position, the upper left corner on antenna back panel plane is equipped with the SMA connector, after assembling, its plug and socket is vertical with the antenna back panel face, the cable louding that is connected with plug is also to bend to horizontal direction after this vertical direction is stretched out 160mm again, vertical section cable right side is electronic machine cage side frame, two exhaust blowers are installed on side frame, distance between cable and blower fan is 6mm, the cable left side is the antenna house sidewall, distance between the two is 10mm, namely to be in width be 16mm to this SMA connector, and the degree of depth is in the space of 160mm.In debugging and maintenance process when needing this cable of dismounting, length that can depth adjustment spanner of living according to plug.First lock nut is unscrewed half-turn, for easy to operate, adjusting rod can be slided into bar long for the 180mm place, tighten lock nut.Adjust direction and spanner is extend into the plug place block, this moment, cable freely passed through U-shaped groove interior space, and turning handle is dismantled and assembled this SMA connector.
Claims (3)
1. an exploration type SMA spanner, is characterized in that comprising U-shaped bar section (2), expansion link (3) and operating grip (4); The cross section of U-shaped bar section (2) is U-shaped interior wall construction, two sidewalls that one end is relative are provided with the bar shaped guide chute, one end of expansion link (3) inserts and is provided with in the U-shaped interior wall construction of bar shaped guide chute, and adopting guiding locking nail and lock nut to be fastenedly connected, the other end of expansion link (3) is provided with operating grip 4.
2. exploration type SMA spanner according to claim 1, it is characterized in that: be provided with Wrench head (1) in U-shaped bar section (2), Wrench head (1) has the U-shaped gap that the U-shaped interior wall construction with U-shaped bar section (2) matches, outer surface is arc structure, and outer surface and U-shaped gap face intersection are arc transition; Be provided with groove with U-shaped bar section (2) connecting portion, the U-shaped inwall of U-shaped bar section (2) inserts in groove.
3. exploration type SMA spanner according to claim 1 is characterized in that: the shaft size at the bar shaped guide chute position of described U-shaped bar section (2) strengthens according to the needs of bar shaped guide chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220566342 CN202943568U (en) | 2012-10-30 | 2012-10-30 | Probing type shape memory alloy (SMA) wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220566342 CN202943568U (en) | 2012-10-30 | 2012-10-30 | Probing type shape memory alloy (SMA) wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202943568U true CN202943568U (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220566342 Expired - Fee Related CN202943568U (en) | 2012-10-30 | 2012-10-30 | Probing type shape memory alloy (SMA) wrench |
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| Country | Link |
|---|---|
| CN (1) | CN202943568U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817437A (en) * | 2018-09-05 | 2018-11-16 | 中国工程物理研究院机械制造工艺研究所 | A kind of flexibility internal diameter support assembly device |
| CN109108881A (en) * | 2018-09-29 | 2019-01-01 | 中国空空导弹研究院 | A kind of torque spanner screwdriver bit device applied to SMA connector |
| TWI824481B (en) * | 2021-04-14 | 2023-12-01 | 瑞士商伍爾特國際公司 | Turning tool with shape memory component |
-
2012
- 2012-10-30 CN CN 201220566342 patent/CN202943568U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817437A (en) * | 2018-09-05 | 2018-11-16 | 中国工程物理研究院机械制造工艺研究所 | A kind of flexibility internal diameter support assembly device |
| CN108817437B (en) * | 2018-09-05 | 2024-05-14 | 中国工程物理研究院机械制造工艺研究所 | Flexible inner diameter support assembly device |
| CN109108881A (en) * | 2018-09-29 | 2019-01-01 | 中国空空导弹研究院 | A kind of torque spanner screwdriver bit device applied to SMA connector |
| TWI824481B (en) * | 2021-04-14 | 2023-12-01 | 瑞士商伍爾特國際公司 | Turning tool with shape memory component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20191030 |