CN111331535A - Universal clamp for assembly - Google Patents
Universal clamp for assembly Download PDFInfo
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- CN111331535A CN111331535A CN202010233958.0A CN202010233958A CN111331535A CN 111331535 A CN111331535 A CN 111331535A CN 202010233958 A CN202010233958 A CN 202010233958A CN 111331535 A CN111331535 A CN 111331535A
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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 discloses a universal clamp for assembly, which comprises a bracket, an angle adjusting mechanism arranged on the bracket and an inner hole positioning and tensioning mechanism connected with the angle adjusting mechanism, wherein the angle adjusting mechanism is arranged on the bracket; the angle adjusting mechanism comprises a lifting platform, a base and a telescopic rod, the lifting platform is movably arranged on the bracket, and the bracket and the lifting platform are fixed through a lifting fixing knob; the base is rotationally connected with the lifting platform and is fixed with the lifting platform through a rotary fixing knob; one end of the telescopic rod is fixedly connected with the base in a rotating mode, the other end of the telescopic rod is fixedly connected with the inner hole positioning and expanding mechanism in a rotating mode, the number of the telescopic rods is multiple, and the telescopic rods are evenly distributed on the circumference of the base. The invention has the advantages of ingenious structural design, convenient use and reliable clamping.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a universal clamp for assembly.
Background
In the production, processing and assembling processes of the existing engineering machinery equipment, the inner hole of a workpiece is often required to be positioned and clamped, the position of the workpiece is required to be adjusted, but an inner hole positioning and clamping device which can meet the requirement is not available, and therefore further research and development are needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the universal fixture for assembly, which has the advantages of ingenious structural design, convenience in use and reliability in clamping.
In order to achieve the aim, the invention provides a universal clamp for assembly, which comprises a bracket, an angle adjusting mechanism arranged on the bracket, and an inner hole positioning and tensioning mechanism connected with the angle adjusting mechanism; the angle adjusting mechanism comprises a lifting platform, a base and a connecting rod, the lifting platform is movably arranged on the bracket, and the bracket and the lifting platform are fixed through a lifting fixing knob; the base is rotationally connected with the lifting platform and is fixed with the lifting platform through a rotary fixing knob; one end of the connecting rod is provided with a waist round hole along the length direction, the end of the connecting rod provided with the waist round hole is fixedly connected with the base in a rotating way, and the other end of the connecting rod is fixedly connected with the inner hole positioning and tensioning mechanism in a rotating way; the quantity of connecting rod is a plurality of, and follows the base circumference equipartition sets up.
Furthermore, the inner hole positioning and tensioning mechanism comprises a mounting plate, a tensioning assembly and a locking assembly, the tensioning assembly comprises an expansion sleeve, a mandrel and a locking nut, and the locking assembly comprises a locking plate, a locking sleeve, a screw and a positioning plate; the mounting plate is rotationally and fixedly connected with the other end of the connecting rod; the locking plate is provided with a plurality of second positioning holes along the circumference, wherein the first positioning holes, the through holes and the second positioning holes are the same in number and opposite in position; one end of the expansion sleeve is uniformly provided with a plurality of first openings along the circumference, the other end of the expansion sleeve is provided with a positioning round table, the outer diameter of the positioning round table is larger than the inner diameter of the first positioning hole, and one end of the expansion sleeve penetrates through the first positioning hole, the through hole, the locking sleeve and the second positioning hole in sequence and then penetrates out of the locking plate;
one end of the mandrel is of a conical structure, the other end of the mandrel is provided with external threads, and the outer diameter of the conical structure is gradually reduced from one end of the mandrel to the other end of the mandrel; one end of the expansion sleeve is provided with an inner tapered hole matched with the mandrel tapered structure, the mandrel is positioned in the expansion sleeve, the mandrel tapered structure is positioned in the inner tapered hole of the expansion sleeve, and the other end of the mandrel extends out of the expansion sleeve and is in threaded connection with the locking nut; one end of the locking sleeve is in a conical structure, a plurality of second openings are uniformly distributed at one end of the locking sleeve along the circumference, the outer diameter of the conical structure end of the locking sleeve is gradually increased from one end to the other end, the locking sleeve is inserted into the second positioning hole, one end of the screw rod is connected with the positioning plate, and the other end of the screw rod penetrates through the internal thread hole in the center of the mounting plate and is in threaded connection with the mounting plate; the locking plate is connected with the mounting plate through a connecting piece.
Furthermore, a first lug is arranged on the outer circumferential surface of the base, a second lug opposite to the first lug is arranged on the mounting plate, a first mounting hole is formed in the first lug, a second mounting hole is formed in the second lug, and one end of the connecting rod is inserted into the first mounting hole; the other end of the connecting rod is inserted into the second mounting hole.
Further, be equipped with the bar breach along its length direction in the middle of the support, lift platform comprises bottom plate, curb plate, the vertical board of being connected perpendicularly with bottom plate and curb plate, lift platform is I-shaped structure, bottom plate and curb plate wrap respectively the both sides face of support, just the vertical board is located in the bar breach, lift fixed knob install in on the curb plate, rotatory fixed knob install in on the bottom plate, the bottom plate with base swivelling joint.
Furthermore, the mandrel comprises a conical section, a cylindrical section and an external thread section which are sequentially connected from one end to the other end, and the size of the cylindrical section is smaller than that of the conical section.
Furthermore, all be equipped with a plurality of first locating holes on a plurality of concentric circumferences of mounting panel, correspond all be equipped with a plurality of lock sleeves on a plurality of concentric circumferences of locating plate, all be equipped with a plurality of second locating holes on a plurality of concentric circumferences of locking plate.
Further, the tight subassembly that expands still includes the spring, the cover surface that expands is lieing in be equipped with the location shaft shoulder between mounting panel and the locating plate, spring one end withstands the mounting panel, the other end withstands the location shaft shoulder.
The invention has the beneficial effects that: the invention realizes the spatial direction of the inner hole positioning and expanding mechanism through the angle adjusting mechanism, realizes the positioning and expanding of the inner hole of the workpiece through the inner hole positioning and expanding mechanism, and ensures the reliable installation of the workpiece relative to the universal fixture.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of the present invention.
FIG. 2 is a perspective view of the bracket, angle adjustment mechanism, and mounting plate of the present invention assembled together.
FIG. 3 is a perspective view of the expansion link and the inner hole positioning and tensioning mechanism of the present invention.
Fig. 4 is a sectional perspective view of fig. 3 rotated by a certain angle.
Figure 5 is a perspective view of the expansion assembly of the present invention.
Figure 6 is a cross-sectional schematic view of the expansion assembly of the present invention.
Fig. 7 is a perspective view of the present invention in use.
The above reference numerals:
1 support, 2 angle adjustment mechanisms, 3 inner hole positioning and expanding mechanisms, 4 workbenches, 101 strip-shaped notches, 20 lifting platforms, 201 bottom plates, 202 side plates, 21 bases, 210 first lugs, 22 connecting rods, 220 waist round holes, 23 lifting fixing knobs, 24 rotating fixing knobs, 30 mounting plates, 301 second lugs, 302 first positioning holes, 303 cylindrical protrusions, 310 expanding sleeves, 311 mandrel shafts, 312 springs, 313 locking nuts, 3101 first openings, 320 locking plates, 321 positioning plates, 322 locking sleeves, 323 screw rods, 3220 second openings, 3102 positioning shaft shoulders, 3103 positioning circular truncated cones, 3104 inner conical holes, 311-1 conical sections, 311-2 cylindrical sections and 311-3 outer threaded sections.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It is to be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the generic and descriptive sense only and not for purposes of limitation, as the term is used in the generic and descriptive sense, and not for purposes of limitation, unless otherwise specified or implied, and the specific reference to a device or element is intended to be a reference to a particular element, structure, or component. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 6, the universal fixture for assembly provided by the present embodiment includes a bracket 1, an angle adjusting mechanism 2 mounted on the bracket 1, and an inner hole positioning and tightening mechanism 3 connected to the angle adjusting mechanism 2; the angle adjusting mechanism 2 comprises a lifting platform 20, a base 21 and a connecting rod 22, wherein the lifting platform 21 is movably mounted on the support 1, and the support 1 and the lifting platform 20 are fixed through a lifting fixing knob 23; the base 21 is rotatably connected with the lifting platform 20, and the base 21 and the lifting platform 20 are fixed by rotating a fixing knob 24; one end of the connecting rod 22 is provided with a waist round hole 220 along the length direction, one end of the connecting rod 22 provided with the waist round hole 220 is fixedly connected with the base 21 in a rotating way, and the other end of the connecting rod 22 is fixedly connected with the inner hole positioning and tensioning mechanism 3 in a rotating way; the number of the connecting rods 3 is multiple, and the connecting rods are uniformly distributed along the circumference of the base 21.
As shown in fig. 7, when the present embodiment is used, the bracket 1 is mounted on the workbench 4, wherein the workbench 4 may be the workbench 4 of an assembly center, the workbench 4 of a numerical control machining center, the workbench 4 of a welding machining center, and the like, and the present embodiment has a wide application range and is flexible and convenient to use. The spatial direction of the inner hole positioning expansion mechanism 3 is realized through the angle adjusting mechanism 2, the positioning and expansion of the inner hole of the workpiece are realized through the inner hole positioning expansion mechanism 3, and the reliable installation of the workpiece relative to the universal fixture of the embodiment is ensured.
The working principle of the angle adjusting mechanism 2 of the present embodiment is as follows:
after the work piece is installed well for hole location tension mechanism 2, through waist round hole 220 with the rotatory fixed point of adjusting connecting rod 22 one end for base 21 to adjust the connecting rod 22 length between base 21 and the hole location tension mechanism 3, thereby realize hole location tension mechanism 3 for the adjustment of the spatial orientation of base 21, adjust simple and conveniently, can satisfy the demand of actual different condition. When the rotation angles of the base 21 and the lifting platform 20 need to be adjusted, the rotary fixing knob 24 is loosened, so that the base 21 can rotate relative to the lifting platform 20, and after the rotation angle is adjusted, the rotary fixing knob 24 is screwed down. When the height of the inner hole positioning and expanding mechanism 3 on the support 1 needs to be adjusted, the lifting fixing knob 23 is loosened, so that the lifting platform 20 can move up and down relative to the support 1, and the lifting fixing knob 23 is screwed after the height is adjusted. In the embodiment, the connecting rod 22 and the base 21, and the connecting rod 22 and the inner hole positioning and expanding mechanism 3 are connected in a rotating and fixed manner by fasteners such as bolts and screws.
Further, the inner hole positioning and tightening mechanism 3 includes a mounting plate 30, a tightening assembly and a locking assembly, the tightening assembly includes a tightening sleeve 310, a mandrel 311 and a locking nut 313, and the locking assembly includes a locking plate 320, a locking sleeve 322, a screw 323 and a positioning plate 321; the mounting plate 30 is rotatably and fixedly connected with the other end of the connecting rod 22; the mounting plate 30 is uniformly provided with a plurality of first positioning holes 302 along the circumference, the positioning plate 321 is uniformly provided with a plurality of through holes along the circumference, each through hole is aligned and connected with the locking sleeve 322, the locking plate 320 is uniformly provided with a plurality of second positioning holes along the circumference, wherein the first positioning holes, the through holes and the second positioning holes are the same in number and opposite in position; one end of the expansion sleeve 310 is uniformly provided with a plurality of first openings 3101 along the circumference, the other end of the expansion sleeve is provided with a positioning circular truncated cone 3103, the outer diameter of the positioning circular truncated cone 3103 is larger than the inner diameter of the first positioning hole 302, and one end of the expansion sleeve 310 penetrates through the first positioning hole 302, the through hole, the locking sleeve 322 and the second positioning hole in sequence and then penetrates out of the locking plate 320.
One end of the mandrel 311 is in a conical structure, the other end of the mandrel 311 is provided with external threads, and the outer diameter of the conical structure is gradually reduced from one end of the mandrel 311 to the other end; one end of the expansion sleeve 310 is provided with an inner tapered hole 3104 matched with the tapered structure of the mandrel 311, the mandrel 311 is positioned in the expansion sleeve 310, the tapered structure of the mandrel 311 is positioned in the inner tapered hole 3104 of the expansion sleeve 310, and the other end of the mandrel 311 extends out of the expansion sleeve 310 and is in threaded connection with the locking nut 313; one end of the locking sleeve 322 is in a conical structure, a plurality of second openings 3220 are uniformly distributed at one end along the circumference, the outer diameter of the conical structure end of the locking sleeve 322 is gradually increased from one end to the other end, the locking sleeve 322 is inserted into the second positioning hole, one end of the screw 323 is connected with the positioning plate 321, and the other end of the screw 323 passes through the internal thread hole in the center of the mounting plate 30 and is in threaded connection with the mounting plate 30; the locking plate 320 is connected to the mounting plate 30 by a connector 33. In the embodiment, the mounting plate 30 is provided with a cylindrical protrusion 303 with a threaded hole corresponding to the center of the internal threaded hole, and the screw 323 passes through the internal threaded hole of the mounting plate 30 and the threaded hole of the cylindrical protrusion 303 to realize threaded connection.
The working principle of the inner hole positioning and expanding mechanism 3 of the embodiment is as follows:
when the workpiece is not mounted on the inner hole positioning and expanding mechanism 3, the locking assembly does not lock the expanding assembly, and the expanding assembly can move relative to the mounting plate 30, the positioning plate 321, the locking sleeve 322 and the locking plate 320; when a workpiece is mounted on the plurality of expansion sleeves 310, workpiece inner holes are uniformly distributed and positioned through the plurality of expansion sleeves 310, at the moment, the screw 323 is rotated in the forward direction, so that the screw 323, the positioning plate 321 and the locking sleeve 322 on the positioning plate 321 move towards the locking plate 320, the conical structure of the locking sleeve 322 penetrates through the second positioning hole of the locking plate 320, the locking plate 320 and the locking sleeve 322 clamp the expansion sleeves 310 under the action of the conical structure of the locking sleeve 322, thereby positioning and fixing the plurality of expansion sleeves 310, the mandrel 311 is pulled by hand afterwards, so that the mandrel 311 moves from one end to the other end (as shown in figures 5-6, the mandrel 311 moves rightwards), the conical structure of the mandrel 311 props open the inner conical hole 3104 end of the expansion sleeve 310, the back locking nut 313 is locked relative to the mounting plate 30, at the moment, the plurality of expansion sleeves 310 prop up the workpiece inner holes, thereby completing the function of expanding; when the workpiece is disassembled relative to the inner hole positioning expansion mechanism 3, the locking nut 313 is unscrewed, the other end of the mandrel 311 is held by hand, the mandrel 311 is pushed to move from the other end to one end (as shown in fig. 6, the mandrel 311 moves leftwards), so that the expansion sleeve 310 is folded to the initial position, then the screw 323 is rotated reversely, so that the positioning plate 321 and the locking sleeve 322 move towards the mounting plate 30, so that the locking sleeve 322 and the locking plate 320 release the expansion sleeves 310, and then the workpiece is disassembled relative to the expansion sleeve 310.
In the embodiment, the expansion degree of the expansion sleeve 310 is controlled under the action of the locking nut 313 and the external threads of the mandrel 311, so that the force of the expansion sleeve 310 for expanding the inner hole of the workpiece is adjusted, and the adjustment is simple and convenient.
In this embodiment, a first lug 210 is disposed on an outer circumferential surface of the base 21, a second lug 301 opposite to the first lug 210 is disposed on the mounting plate 30, a first mounting hole is disposed on the first lug 210, a second mounting hole is disposed on the second lug 301, and one end of the connecting rod 22 is inserted into the first mounting hole; the other end of the connecting rod 22 is inserted into the second mounting hole, so that the rotation and fixation connection between one end of the connecting rod 22 and the first lug 210 on the base 21 and the other end of the connecting rod 22 and the second lug 301 on the mounting plate 30 are realized through fasteners such as bolts, screws and the like.
Further, in this embodiment, a strip-shaped notch 101 is formed in the middle of the support 1 along the length direction thereof, the lifting platform 20 is composed of a bottom plate 201, a side plate 202, and a vertical plate vertically connected to the bottom plate 201 and the side plate 202, the lifting platform 20 is in an i-shaped structure, the bottom plate 201 and the side plate 202 respectively wrap two side surfaces of the support 1, the vertical plate is located in the strip-shaped notch 101, the lifting fixing knob 23 is installed on the side plate 202, the rotating fixing knob 24 is installed on the bottom plate 201, and the bottom plate 201 is rotatably connected to the base 21. The lifting platform 20 of the embodiment adopts an i-shaped structure to limit the lifting platform 20 relative to the bracket 1.
Specifically, the mandrel 311 includes a conical section 311-1, a cylindrical section 311-2 and an external thread section 311-3 connected in sequence from one end to the other end, and the size of the cylindrical section is smaller than that of the conical section.
In this embodiment, preferably, a plurality of first positioning holes are formed on a plurality of concentric circumferences of the mounting plate 30, a plurality of locking sleeves 322 are formed on a plurality of concentric circumferences corresponding to the positioning plates 321, and a plurality of second positioning holes are formed on a plurality of concentric circumferences of the locking plate 320, so that the inner hole positioning and expanding mechanism 3 can clamp a plurality of different inner holes of the workpiece, the expanding assemblies on the circumferences corresponding to the inner holes of the workpiece and the expanding assemblies smaller than the circumferences corresponding to the inner holes of the workpiece can extend into the inner holes of the workpiece, and the expanding assemblies larger than the circumferences corresponding circumferences of the inner holes of the workpiece can retract towards the locking plate 320, so that the expanding assemblies larger than the circumferences corresponding to the inner holes of the workpiece are abutted against the outer end face of the workpiece, that the expanding assemblies are not put into use, and when the mandrel 311 is pulled, only the mandrel 311 of each expanding assembly on the circumference matched with the inner hole. The clamp of the embodiment can be suitable for clamping inner holes of various workpieces, and is flexible and convenient to use.
In this embodiment, the expansion assembly further includes a spring 312, a positioning shoulder 3102 is disposed on the outer surface of the expansion sleeve 310 between the mounting plate 30 and the positioning plate 321, one end of the spring 312 abuts against the mounting plate 30, and the other end abuts against the positioning shoulder 3102. In the process of installing the workpiece, the expansion assemblies on the corresponding circumference of the inner hole of the workpiece retract relative to the locking plate 320, and the spring 312 is compressed; when the workpiece is taken down relative to the expansion sleeve 310, each expansion assembly which is not put into use extends to the initial position under the action of the spring 312, and automatic reset is realized.
The universal fixture realizes positioning and clamping of the inner hole of the workpiece, and can realize adjustment of the spatial direction of the workpiece under the action of the angle adjusting mechanism 2. Meanwhile, the universal clamp of the embodiment can be suitable for clamping inner holes of various workpieces, and is flexible and convenient to use.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The universal fixture for assembly is characterized by comprising a bracket, an angle adjusting mechanism arranged on the bracket and an inner hole positioning and tensioning mechanism connected with the angle adjusting mechanism; the angle adjusting mechanism comprises a lifting platform, a base and a connecting rod, the lifting platform is movably arranged on the bracket, and the bracket and the lifting platform are fixed through a lifting fixing knob; the base is rotationally connected with the lifting platform and is fixed with the lifting platform through a rotary fixing knob; one end of the connecting rod is provided with a waist round hole along the length direction, the end of the connecting rod provided with the waist round hole is fixedly connected with the base in a rotating way, and the other end of the connecting rod is fixedly connected with the inner hole positioning and tensioning mechanism in a rotating way; the quantity of connecting rod is a plurality of, and follows the base circumference equipartition sets up.
2. The universal fixture for assembling as claimed in claim 1, wherein said inner hole positioning and tightening mechanism comprises a mounting plate, a tightening assembly and a locking assembly, said tightening assembly comprises a tightening sleeve, a mandrel and a locking nut, said locking assembly comprises a locking plate, a locking sleeve, a screw and a positioning plate; the mounting plate is rotationally and fixedly connected with the other end of the connecting rod; the locking plate is provided with a plurality of second positioning holes along the circumference, wherein the first positioning holes, the through holes and the second positioning holes are the same in number and opposite in position; one end of the expansion sleeve is uniformly provided with a plurality of first openings along the circumference, the other end of the expansion sleeve is provided with a positioning round table, the outer diameter of the positioning round table is larger than the inner diameter of the first positioning hole, and one end of the expansion sleeve penetrates through the first positioning hole, the through hole, the locking sleeve and the second positioning hole in sequence and then penetrates out of the locking plate;
one end of the mandrel is of a conical structure, the other end of the mandrel is provided with external threads, and the outer diameter of the conical structure is gradually reduced from one end of the mandrel to the other end of the mandrel; one end of the expansion sleeve is provided with an inner tapered hole matched with the mandrel tapered structure, the mandrel is positioned in the expansion sleeve, the mandrel tapered structure is positioned in the inner tapered hole of the expansion sleeve, and the other end of the mandrel extends out of the expansion sleeve and is in threaded connection with the locking nut; one end of the locking sleeve is in a conical structure, a plurality of second openings are uniformly distributed at one end of the locking sleeve along the circumference, the outer diameter of the conical structure end of the locking sleeve is gradually increased from one end to the other end, the locking sleeve is inserted into the second positioning hole, one end of the screw rod is connected with the positioning plate, and the other end of the screw rod penetrates through the internal thread hole in the center of the mounting plate and is in threaded connection with the mounting plate; the locking plate is connected with the mounting plate through a connecting piece.
3. The universal fixture for assembling as claimed in claim 1, wherein said base has a first lug on an outer circumferential surface thereof, said mounting plate has a second lug opposite to said first lug, said first lug has a first mounting hole, said second lug has a second mounting hole, and one end of said connecting rod is inserted into said first mounting hole; the other end of the connecting rod is inserted into the second mounting hole.
4. The universal fixture as claimed in claim 1, wherein the support has a slot along its length, the lifting platform comprises a bottom plate, a side plate, and a longitudinal plate vertically connected to the bottom plate and the side plate, the lifting platform is of an i-shaped structure, the bottom plate and the side plate respectively wrap the two sides of the support, the longitudinal plate is located in the slot, the lifting fixing knob is mounted on the side plate, the rotation fixing knob is mounted on the bottom plate, and the bottom plate is rotatably connected to the base.
5. The universal fixture for assembling as claimed in claim 2, wherein said mandrel comprises a tapered section, a cylindrical section and an external thread section connected in sequence from one end to the other end, said cylindrical section having a size smaller than that of said tapered section.
6. The universal fixture for assembling as recited in claim 2, wherein said mounting plate has a plurality of first positioning holes formed on a plurality of concentric circumferences thereof, a plurality of locking sleeves formed on a plurality of concentric circumferences thereof corresponding to said positioning plates, and a plurality of second positioning holes formed on a plurality of concentric circumferences of said locking plates.
7. The universal fixture as claimed in claim 6, wherein said expansion assembly further comprises a spring, said expansion sleeve having a positioning shoulder on an outer surface thereof between said mounting plate and said positioning plate, said spring having one end thereof abutting said mounting plate and the other end thereof abutting said positioning shoulder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010233958.0A CN111331535B (en) | 2020-03-27 | 2020-03-27 | Universal clamp for assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010233958.0A CN111331535B (en) | 2020-03-27 | 2020-03-27 | Universal clamp for assembly |
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| Publication Number | Publication Date |
|---|---|
| CN111331535A true CN111331535A (en) | 2020-06-26 |
| CN111331535B CN111331535B (en) | 2021-04-06 |
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| CN202010233958.0A Active CN111331535B (en) | 2020-03-27 | 2020-03-27 | Universal clamp for assembly |
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Cited By (3)
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| CN111776409A (en) * | 2020-06-30 | 2020-10-16 | 国网山东省电力公司淄博供电公司 | Laboratory is with self-adaptation type cable protection pipe sample security storage frame |
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| CN113172561A (en) * | 2021-04-14 | 2021-07-27 | 中国水电四局（兰州）机械装备有限公司 | Door leaf lug reinforcing plate positioning device |
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| CN111776409A (en) * | 2020-06-30 | 2020-10-16 | 国网山东省电力公司淄博供电公司 | Laboratory is with self-adaptation type cable protection pipe sample security storage frame |
| CN112643354A (en) * | 2020-08-26 | 2021-04-13 | 李小龙 | Accurate location thin wall gear machining frock |
| CN112643354B (en) * | 2020-08-26 | 2021-11-26 | 李小龙 | Accurate location thin wall gear machining frock |
| CN113172561A (en) * | 2021-04-14 | 2021-07-27 | 中国水电四局（兰州）机械装备有限公司 | Door leaf lug reinforcing plate positioning device |
| CN113172561B (en) * | 2021-04-14 | 2022-11-04 | 中国水电四局（兰州）机械装备有限公司 | Door leaf lug reinforcing plate positioning device |
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