CN113427416B - Connecting rod processing micromatic setting suitable for different specifications - Google Patents
Connecting rod processing micromatic setting suitable for different specifications Download PDFInfo
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- CN113427416B CN113427416B CN202110650045.3A CN202110650045A CN113427416B CN 113427416 B CN113427416 B CN 113427416B CN 202110650045 A CN202110650045 A CN 202110650045A CN 113427416 B CN113427416 B CN 113427416B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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Abstract
The invention relates to the technical field of connecting rod processing equipment, in particular to a fine adjustment device suitable for processing connecting rods with different specifications. The gear shifting device comprises a seat body, a V-shaped block, a first guide rod, a second guide rod, a gear shifting rod and a stop screw; the V-shaped block is arranged on the seat body in a sliding mode through the first guide rod and the second guide rod which are parallel, the first guide rod is provided with two annular grooves, the gear shifting rod is provided with the positioning pin, and the locking and unlocking of the position of the first guide rod can be realized in a drawing mode, so that two relative positions between the V-shaped block and the seat body can be obtained, and the gear shifting device is suitable for processing and positioning of connecting rods with two specifications.
Description
Technical Field
The invention relates to the technical field of connecting rod processing equipment, in particular to a fine adjustment device for processing connecting rods of different specifications.
Background
The expansion-breaking processing is a brand new technology for manufacturing the connecting rod, wherein a breaking machine tool is a core device. The function is to apply acting force to the big end hole of the connecting rod which is pre-cut with the stress groove from inside to outside, so that the rod body and the rod cover are subjected to brittle fracture and separation at the stress groove. The fracture process is a major technical breakthrough in the processing of the connecting rod, greatly simplifies the manufacturing process, reduces the manufacturing cost, simultaneously improves the positioning precision between the rod body and the rod cover of the connecting rod, and enhances the bearing capacity of the connecting rod.
Before the disconnected processing that rises, adopt the frock to fix a position the connecting rod, respectively set up a V-arrangement piece in connecting rod major part and microcephaly department and carry out two-way tight location of clamp usually, when facing the connecting rod of different models, need change the distance between two V-arrangement pieces to satisfy the location demand of the connecting rod of different specifications, and through manual regulation, work efficiency is low, easy error causes the location not accurate product quality problem that leads to.
Disclosure of Invention
The invention solves the problems that: manual regulation location frock leads to work efficiency low among the prior art, and easy error causes the inaccurate product quality problem that leads to in location, provides a connecting rod processing micromatic setting who is applicable to different specifications that the regulation precision is high, regulation efficiency is high.
The invention is realized by the following technical scheme that the fine adjustment device suitable for processing the connecting rods with different specifications comprises a seat body, a V-shaped block, a first guide rod, a second guide rod, a gear shifting rod and a stop screw;
the base body is provided with a first unthreaded hole, a second unthreaded hole parallel to the first unthreaded hole, a third unthreaded hole vertical to and intersected with the first unthreaded hole, and a threaded hole vertical to and intersected with the third unthreaded hole, and the maximum thickness of an intersecting body of the first unthreaded hole and the third unthreaded hole is equal to or close to the radius of the third unthreaded hole;
the V-shaped block is positioned on one side of the seat body and is connected with the first guide rod and the second guide rod through threads;
the first guide rod is in clearance fit with the first unthreaded hole of the seat body, the front end of the first guide rod is of a threaded structure, and the rear end of the first guide rod is provided with two annular grooves; the diameter of the thread at the front end of the first guide rod is smaller than that of the middle sliding part, so that when the first guide rod and the V-shaped block are screwed tightly, the step surface can accurately control the right end surface of the V-shaped block to the central position of the annular groove;
the second guide rod is in clearance fit with a second unthreaded hole of the seat body, and the front end of the second guide rod is of a threaded structure; the rear end of the first shaft is provided with a first shaft shoulder with the diameter larger than that of the second unthreaded hole; the diameter of the thread at the front end of the second guide rod is smaller than that of the middle sliding part, so that when the second guide rod and the V-shaped block are screwed tightly, the step surface can accurately control the right end surface of the V-shaped block to the central position of the first shaft shoulder;
the gear shifting rod is in clearance fit with the third unthreaded hole, a first plane and a second plane are milled on the gear shifting rod, two conical grooves are formed in the first plane at intervals along the axial direction of the gear shifting rod, the second plane is milled into a U shape, a positioning pin formed by milling is arranged in the middle of the U-shaped plane, the positioning pin can be inserted into an annular groove of the first guide rod, and the positioning pin is in clearance fit with the annular groove; the maximum thickness of the intersecting body of the first light hole and the third light hole is equal to or close to the radius of the third light hole; when the locking, the ring channel is also close to the radius of gear level with the height of locating pin contact, and the gear level receives the thrust from first guide arm to be greater than the torsion far away so, avoids the gear level to produce because of the torsion and rotates, influences the precision of the length that the V-arrangement piece stretches out.
The stop screw is meshed in the threaded hole, the front end face of the stop screw is a spherical surface, the front end face of the stop screw extends into the conical groove of the gear shift lever, after the spherical surface is contacted with the conical surface, point contact is firstly generated, after pressure is applied, the stop screw pushes the gear shift lever to move, annular line contact is finally generated, and axial movement and rotation of the gear shift lever are effectively prevented.
In this scheme, the V type piece sets up on the pedestal through parallel first guide arm and second guide arm slidable, first guide arm is equipped with twice ring channel, is equipped with the locating pin on the gear level, can realize the locking and the unblock of first guide arm position through the mode of pull, consequently can obtain the relative position between two kinds of V type pieces and the pedestal, is applicable to the processing location of the connecting rod of two kinds of specifications.
Furthermore, a second shaft shoulder with the diameter larger than that of the third unthreaded hole is arranged at one end, close to the second plane, of the gear shifting rod, a spring is sleeved between the second shaft shoulder and the end face of the second unthreaded hole, and when the spring is compressed to the shortest distance, the second plane completely avoids the moving path of the first guide rod, so that the gear shifting rod can be kept in a locking state in a free state, the leftmost limit stroke of the gear shifting rod corresponds to an unlocking state, and the first guide rod can be prevented from sliding and being interfered without position alignment.
Further, there is the handle shift lever one end that is close to first plane through threaded connection, the terminal surface diameter of handle is greater than the diameter of third unthreaded hole, and when the terminal surface of handle and the terminal surface laminating of third unthreaded hole, the locating pin inserted in the ring channel of first guide arm, and the handle makes things convenient for the pull, has also confirmed the rightmost limit stroke position of shift lever simultaneously, avoids the locating pin excessively to insert in the ring channel.
Furthermore, the front end of the positioning pin is one of a circle, a trapezoid and a triangle, and when the positioning pin is inserted into the annular groove, the positioning pin has a guiding effect, so that the first guide rod moves to a proper position and is locked.
Further, the distance from the right end face of the V-shaped block to the center of the closer annular groove is slightly larger than the distance from the left end face of the seat body to the center of the third unthreaded hole. When the V-shaped block is attached to the seat body, the first annular groove is just close to the positioning pin, when the positioning pin is inserted into the annular groove, the first guide rod is automatically shifted to enable the first guide rod to slightly displace in the radial direction, the position can be set to the first gear position, manual position alignment is not needed, and interference is prevented.
Further, the distance from the first shaft shoulder to the end face of the second unthreaded hole is slightly greater than the central distance between two annular grooves, the central distance from the right end face of the V-shaped block to a closer annular groove is added, and then the central distance from the left end face of the seat body to the third unthreaded hole is subtracted. When the first shaft shoulder is attached to the base body, the second annular groove is just close to the positioning pin, and when the positioning pin is inserted into the annular groove, the first guide rod is automatically shifted to enable the first guide rod to slightly displace in the radial direction so as to reach the second gear setting position, so that manual position alignment is not needed, and interference is prevented.
Further, the section of the annular groove is in a round corner rectangle shape, and two side faces of the positioning pin are parallel to each other.
Furthermore, in order to facilitate installation, the end surfaces of the first guide rod, the second guide rod and the stop screw are provided with inner hexagonal counter bores.
Furthermore, the upper opening of the V-shaped block is provided with a chamfer, and the chamfer has a guiding function when the connecting rod is installed.
Furthermore, in order to facilitate gear shifting of an operator, a gear mark and an arrow indication are arranged on the V-shaped block, and gear prompt is given to the operator.
The invention has the beneficial effects that:
1. the V-shaped block is arranged on the seat body in a sliding manner through the parallel first guide rod and the second guide rod, so that the moving precision is high, and the bearing capacity is strong.
2. According to the invention, the first guide rod is provided with two annular grooves, the gear shifting rod is provided with the positioning pin, and the locking and unlocking of the position of the first guide rod can be realized in a pulling mode, so that the relative positions between two types of V-shaped blocks and the seat body can be obtained, and the gear shifting device is suitable for processing and positioning connecting rods with two types of specifications.
3. The center distance from the right end surface of the V-shaped block to the closer annular groove is slightly larger than the center distance from the left end surface of the seat body to the third unthreaded hole. The distance from the first shaft shoulder to the end face of the second unthreaded hole is slightly larger than the central distance between two annular grooves, the central distance from the right end face of the V-shaped block to a closer annular groove is added, and then the central distance from the left end face of the seat body to the third unthreaded hole is subtracted. When shifting gears, only the V-shaped block is required to pull the knife limit stroke position, and when the positioning pin is inserted into the annular groove, the first guide rod is automatically stirred to enable the first guide rod to slightly displace in the radial direction, so that the position can be set to the gear position, manual position alignment is not required, and interference is prevented.
Drawings
FIG. 1 is a three-dimensional schematic view of a fine tuning device for connecting rod machining according to different specifications;
FIG. 2 is a top view of a fine adjustment device for connecting rod machining of different specifications according to the present invention;
FIG. 3 is a right side view of a fine adjustment device for connecting rod machining of different specifications according to the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 6 is a cross-sectional view taken at C-C of FIG. 3;
fig. 7 is a schematic view of the structure of the shift lever according to the present invention.
In the figure: 1, a seat body; 101 a first light hole; 102 a second light hole; 103 a third light hole; 104 a threaded hole; 2, a V-shaped block; 3 a first guide bar; 31 an annular groove; 4 a second guide bar; 41 a first shoulder; 5 a shift lever; 501 a first plane; 502 a second plane; 503 taper groove; 504 positioning pins; 505 spring; 506 a second shoulder; 507 a handle; 6 stop screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-7, a fine adjustment device for processing connecting rods of different specifications comprises a seat body 1, a V-shaped block 2, a first guide rod 3, a second guide rod 4, a gear shift lever 5 and a stop screw 6;
the base body 1 is provided with a first unthreaded hole 101, a second unthreaded hole 102 parallel to the first unthreaded hole 101, a third unthreaded hole 103 perpendicular to and intersecting the first unthreaded hole 101, and a threaded hole 104 perpendicular to and intersecting the third unthreaded hole 103, wherein the maximum thickness of an intersecting body of the first unthreaded hole 101 and the third unthreaded hole 103 is equal to or close to the radius of the third unthreaded hole 103;
the V-shaped block 2 is positioned at one side of the seat body 1, and the V-shaped block 2 is connected with the first guide rod 3 and the second guide rod 4 through threads;
the first guide rod 3 is in clearance fit with the first unthreaded hole 101 of the seat body 1, the front end of the first guide rod 3 is of a threaded structure, and the rear end of the first guide rod is provided with two annular grooves 31; the diameter of the thread at the front end of the first guide rod 3 is smaller than that of the middle sliding part, so that when the first guide rod 3 and the V-shaped block 2 are screwed tightly, the step surface can accurately control the right end surface of the V-shaped block 2 to the central position of the annular groove 31;
the second guide rod 4 is in clearance fit with the second unthreaded hole 102 of the seat body 1, and the front end of the second guide rod 4 is of a threaded structure; the rear end is provided with a first shaft shoulder 41 with the diameter larger than that of the second unthreaded hole 102; the diameter of the thread at the front end of the second guide rod 4 is smaller than that of the middle sliding part, so that when the second guide rod 4 and the V-shaped block are screwed tightly, the step surface can accurately control the right end surface of the V-shaped block 2 to the central position of the first shaft shoulder 41;
the shift lever 5 is in clearance fit with the third unthreaded hole 103, a first plane 501 and a second plane 502 are milled on the shift lever 5, two tapered grooves 503 are arranged on the first plane 501 at intervals along the axial direction of the shift lever 5, the second plane 502 is milled into a U shape, a positioning pin 504 formed by milling is arranged in the middle of the U-shaped plane, the positioning pin 504 can be inserted into the annular groove 31 of the first guide rod 3, and the positioning pin 504 is in clearance fit with the annular groove 31; since the maximum thickness of the intersection of the first light hole 101 and the third light hole 103 is equal to or close to the radius of the third light hole 103; when the lock is locked, the contact height of the annular groove 31 and the positioning pin 504 is also close to the radius of the gear shift lever 5, so that the pushing force of the gear shift lever 5 from the first guide rod 3 is far greater than the torsion force, and the gear shift lever 5 is prevented from rotating due to the torsion force to influence the accuracy of the extending length of the V-shaped block 2.
The stop screw 6 is meshed in the threaded hole 104, the front end face of the stop screw 6 is a spherical surface, the front end face of the stop screw 6 extends into the conical groove 503 of the gear shift lever 5, after the spherical surface is contacted with the conical surface, point contact is firstly generated, after pressure is applied, the stop screw 6 pushes the gear shift lever 5 to move, and finally circular linear contact is generated, so that the gear shift lever 5 is effectively prevented from axially shifting and rotating.
In this scheme, V type piece 2 sets up on pedestal 1 through parallel first guide arm 3 and second guide arm 4 slidable, first guide arm 3 is equipped with twice ring channel 31, is equipped with locating pin 504 on the gear level 5, can realize the locking and the unblock of first guide arm 3 position through the mode of pull, consequently can obtain the relative position between two kinds of V type pieces 2 and the pedestal 1, is applicable to the processing location of the connecting rod of two kinds of specifications.
In practical application, a second shoulder 506 with a diameter larger than that of the third light hole 103 is arranged at one end of the shift lever 5 close to the second plane 502, a spring 505 is sleeved between the second shoulder 506 and the end face of the second light hole 102, and when the spring 505 is compressed to the shortest extent, the second plane 502 completely avoids the moving path of the first guide rod 3, so that the shift lever 5 can keep a locked state in a free state, and the leftmost limit stroke of the shift lever 5 corresponds to an unlocked state, and the first guide rod 3 can be prevented from sliding and interfering without position alignment.
In practical application, a handle 507 is connected to one end, close to the first plane 501, of the shift lever 5 through threads, the diameter of the end face of the handle 507 is larger than that of the third unthreaded hole 103, when the end face of the handle 507 is attached to the end face of the third unthreaded hole 103, the positioning pin 504 is inserted into the annular groove 31 of the first guide rod 3, the handle 507 is convenient to pull and pull, the rightmost limit stroke position of the shift lever 5 is determined, and the positioning pin 504 is prevented from being excessively inserted into the annular groove 31.
In practical applications, the front end of the positioning pin 504 is one of a circle, a trapezoid and a triangle, and when the positioning pin 504 is inserted into the annular groove 31, the positioning pin has a guiding function, so that the first guide rod 3 moves to a proper position and is locked.
In practical application, the distance from the right end surface of the V-block 2 to the center of the closer annular groove 31 is slightly greater than the distance from the left end surface of the seat body 1 to the center of the third unthreaded hole 103. When the V-block 2 is fitted to the seat 1, the first annular groove 31 is just close to the positioning pin 504, and when the positioning pin 504 is inserted into the annular groove 31, the first guide rod 3 is automatically shifted to slightly displace in the radial direction, so that the first guide rod can reach the first gear position setting position, and the manual position alignment is not needed, thereby preventing interference.
In practical application, the distance from the first shoulder 41 to the end surface of the second unthreaded hole 102 is slightly greater than the center distance between two annular grooves 31 plus the center distance from the right end surface of the V-block 2 to the closer annular groove 31 minus the center distance from the left end surface of the seat body 1 to the third unthreaded hole 103. When the first shoulder 41 is engaged with the seat body 1, the second annular groove 31 is located at a position close to the positioning pin 504, and when the positioning pin 504 is inserted into the annular groove 31, the first guide rod 3 is automatically shifted to slightly displace in the radial direction, so that the second position can be set, and manual position alignment is not required, thereby preventing interference.
In practical applications, the annular groove 31 has a rectangular cross section with rounded corners, and two side surfaces of the positioning pin 504 are parallel to each other.
In practical application, in order to facilitate installation, the end surfaces of the first guide rod 3, the second guide rod 4 and the stop screw 6 are provided with inner hexagonal counter bores.
In practical application, the upper opening of the V-shaped block 2 is provided with a chamfer, and the chamfer has a guiding function when the connecting rod is installed.
In practical application, in order to facilitate gear shifting of an operator, the V-shaped block 2 is provided with a gear mark and an arrow indication to prompt the operator with a gear.
The working principle of the invention is as follows:
in this scheme, the V-shaped block 2 is slidably disposed on the seat body 1 through the parallel first guide rod 3 and the second guide rod 4, the first guide rod 3 is provided with two annular grooves 31, the shift lever 501 is provided with the positioning pin 504, and the locking and unlocking of the position of the first guide rod 3 can be realized in a pulling manner, so that the relative positions between two types of V-shaped blocks 2 and the seat body 1 can be obtained, and the V-shaped block is suitable for processing and positioning of connecting rods of two types of specifications.
When the first gear (the V-shaped block has small extension) is shifted to the second gear (the V-shaped block has large extension), the following steps are required:
s1, loosening the stop screw 6 to restore the freedom degree of the axial movement of the gear shift lever 5;
s2, pulling the gear shift lever 5 to the leftmost limit travel position, wherein the positioning pin 504 is separated from the annular groove 31, and completely avoiding is formed on the moving path of the first guide rod 3;
s3, pulling the V-shaped block 2 outwards to the limit position, so that the first shoulder 41 and the seat body are contacted, and the second annular groove 31 is just close to the positioning pin 504;
s4, when the positioning pin 504 is pushed to be inserted into the annular groove 31, the first guide rod 3 is automatically shifted to enable the first guide rod to slightly displace in the radial direction, and then the first guide rod can reach the second gear setting position, manual position alignment is not needed, and interference is prevented;
and S5, tightening the stop screw 6 to limit the axial movement and the rotation of the gear shift lever 5.
In conclusion, the fine adjustment device for machining the connecting rods with different specifications can efficiently, labor-saving and accurately complete the position adjustment of the V-shaped block, and meets the working requirements of machining and positioning of different connecting rods.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (5)
1. The utility model provides a connecting rod processing micromatic setting suitable for different specifications which characterized in that: comprises a seat body (1), a V-shaped block (2), a first guide rod (3), a second guide rod (4), a gear shifting rod (5) and a stop screw (6);
the base body (1) is provided with a first unthreaded hole (101), a second unthreaded hole (102) parallel to the first unthreaded hole (101), a third unthreaded hole (103) perpendicular to and intersecting the first unthreaded hole (101), and a threaded hole (104) perpendicular to and intersecting the third unthreaded hole (103), wherein the maximum thickness of an intersecting body of the first unthreaded hole (101) and the third unthreaded hole (103) is equal to or close to the radius of the third unthreaded hole (103);
the first guide rod (3) is in clearance fit with the first unthreaded hole (101) of the seat body (1), the front end of the first guide rod (3) is of a threaded structure, and the rear end of the first guide rod is provided with two annular grooves (31);
the second guide rod (4) is in clearance fit with a second unthreaded hole (102) of the seat body (1), and the front end of the second guide rod (4) is of a threaded structure; the rear end of the shaft is provided with a first shaft shoulder (41) with the diameter larger than that of the second unthreaded hole (102);
the V-shaped block (2) is positioned on one side of the seat body (1), and the V-shaped block (2) is connected with the first guide rod (3) and the second guide rod (4) through threads;
the gear shifting rod (5) is in clearance fit with the third unthreaded hole (103), a first plane (501) and a second plane (502) are milled on the gear shifting rod (5), two tapered grooves (503) are formed in the first plane (501) at intervals along the axial direction of the gear shifting rod (5), the second plane (502) is milled into a U shape, a milling-formed positioning pin (504) is arranged in the middle of the U-shaped plane, the positioning pin (504) can be inserted into an annular groove (31) of the first guide rod (3), and the positioning pin (504) is in clearance fit with the annular groove (31);
the stop screw (6) is meshed in the threaded hole (104), the front end face of the stop screw (6) is a spherical surface, and the front end face of the stop screw (6) extends into a conical groove (503) of the gear shift lever (5); a second shaft shoulder (506) with the diameter larger than that of the third light hole (103) is arranged at one end, close to the second plane (502), of the gear shifting rod (5), a spring (505) is sleeved between the second shaft shoulder (506) and the end face of the second light hole (102), and when the spring (505) is compressed to the shortest length, the second plane (502) completely avoids the moving path of the first guide rod (3);
a handle (507) is connected to one end, close to the first plane (501), of the gear shifting rod (5) through threads, the diameter of the end face of the handle (507) is larger than that of the third unthreaded hole (103), and when the end face of the handle (507) is attached to the end face of the third unthreaded hole (103), the positioning pin (504) is inserted into the annular groove (31) of the first guide rod (3);
the front end of the positioning pin (504) is one of a circle, a trapezoid and a triangle;
the distance from the right end face of the V-shaped block (2) to the center of the closer annular groove (31) is slightly larger than the distance from the left end face of the seat body (1) to the center of the third unthreaded hole (103), the distance from the first shaft shoulder (41) to the end face of the second unthreaded hole (102) is slightly larger than the distance between the centers of the two annular grooves (31), the distance between the right end face of the V-shaped block (2) and the center of the closer annular groove (31) is added, and then the distance between the left end face of the seat body (1) and the center of the third unthreaded hole (103) is subtracted.
2. The fine adjustment device for the machining of the connecting rod with different specifications, according to claim 1, is characterized in that: the section of the annular groove (31) is in a round corner rectangle shape, and two side faces of the positioning pin (504) are parallel to each other.
3. The fine adjustment device for the machining of the connecting rod with different specifications, according to claim 1, is characterized in that: the end faces of the first guide rod (3), the second guide rod (4) and the stop screw (6) are provided with inner hexagonal counter bores.
4. The fine adjustment device for the machining of the connecting rod with different specifications, according to claim 1, is characterized in that: the upper opening of the V-shaped block (2) is provided with a chamfer.
5. The fine adjustment device for the machining of the connecting rod with different specifications, according to claim 1, is characterized in that: the V-shaped block (2) is provided with a gear mark and an arrow mark.
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| CN202110650045.3A CN113427416B (en) | 2021-06-10 | 2021-06-10 | Connecting rod processing micromatic setting suitable for different specifications |
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| CN202110650045.3A CN113427416B (en) | 2021-06-10 | 2021-06-10 | Connecting rod processing micromatic setting suitable for different specifications |
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| CN113427416B true CN113427416B (en) | 2022-05-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3948541B2 (en) * | 1997-09-01 | 2007-07-25 | コマツ工機株式会社 | Camshaft processing machine phase positioning device |
| DE102006035151A1 (en) * | 2006-07-29 | 2008-01-31 | De-Sta-Co Europe Gmbh | Device for adjusting positioning pins for fixing the position of workpieces |
| CN203509671U (en) * | 2013-10-08 | 2014-04-02 | 西安航空动力股份有限公司 | Lathe fixture for aviation machine box component |
| CN205129665U (en) * | 2015-11-15 | 2016-04-06 | 内蒙古北方重工业集团有限公司 | Rotatable V -arrangement piece supporting arrangement that floats |
| CN107838703B (en) * | 2017-09-22 | 2019-08-23 | 广东工业大学 | A kind of automobile connecting bar splitter processing simple clamped device and method of adjustable |
| CN207746748U (en) * | 2017-12-29 | 2018-08-21 | 包头北方机电工具制造有限责任公司 | A kind of thin wall curved guide clamp for machining |
| CN209632828U (en) * | 2018-12-28 | 2019-11-15 | 东风小康汽车有限公司重庆分公司 | Self-locking compressing positioning pin structure |
| CN112223141B (en) * | 2020-09-21 | 2022-02-18 | 湖北三江航天红林探控有限公司 | Centre gripping frock with adjustable centrifugation is fired experiment |
| CN213381231U (en) * | 2020-10-20 | 2021-06-08 | 捷普电子(新加坡)公司 | Clamp apparatus |
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