CN110228030A - A kind of novel clamping device for clamping test pieces - Google Patents
A kind of novel clamping device for clamping test pieces Download PDFInfo
- Publication number
- CN110228030A CN110228030A CN201910378424.4A CN201910378424A CN110228030A CN 110228030 A CN110228030 A CN 110228030A CN 201910378424 A CN201910378424 A CN 201910378424A CN 110228030 A CN110228030 A CN 110228030A
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- CN
- China
- Prior art keywords
- bevel pinion
- fluted disc
- axis
- pedestal
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 60
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 102
- 210000000078 claw Anatomy 0.000 claims abstract description 84
- 238000003466 welding Methods 0.000 claims description 25
- 241001484259 Lacuna Species 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 7
- 238000003754 machining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/16083—Jaws movement actuated by gears and racks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The present invention relates to a kind of novel clamping devices for clamping test pieces, it include: shell, bore fluted disc supporter, bore fluted disc, bore fluted disc bearing, bevel pinion I, bevel pinion I axis, bevel pinion I bearing, door, flange plate type connector, bipyramid fluted disc, bipyramid fluted disc bearing, pedestal fixing body, cylinder ring type connector, bevel pinion II, bevel pinion II axis, bevel pinion II bearing, pedestal I, special claw I, circumferentially fixed frame I, bevel pinion III, bevel pinion III axis, bevel pinion III bearing, pedestal II, special claw II, circumferentially fixed frame II, self-locking device；It is cooperated by the direction-changing type pawl and ratchet of the self-locking device, complete the self-locking of the clamping device, pass through a series of transmission mechanism, the special claw I is set to complete the clamping work of test specimen inner wall, the special claw II is set to complete the clamping work of test specimen outer wall, it is simple with structure, compact, good manufacturability, it is easy to operate the advantages that.
Description
Technical field
The present invention relates to a kind of clamping devices, particularly relate to a kind of novel clamping dress for clamping test pieces
It sets.
Background technique
Various clamping devices can be used in human lives and work, clamping device will be used wider and wider.
Clamping device is used to fix processing object during referring to machine-building, is allowed to occupy correct position, to receive construction or inspection
The device of survey, also known as fixture.In a broad sense, any process in technical process, for rapidly, easily and safely installing
The device of workpiece, all can be described as clamping device.Clamping device is indispensable a kind of technological equipment in machining, it can rise
Act below: guarantee reliablely and stablely reaches every requirement on machining accuracy；Shorten machining period, raises labour productivity；It reduces
Production cost；Mitigate the labor intensity of operator；It can be processed by the operator of lower industrial grade；It can enlarger bed process
Range.There are various clamping devices in the market, such as: welding fixture, inspection jig, assembling jig, machine tool fixture etc.,
But most of clamping device there is a problem of it is various, such as: for cylinder ring type test specimen, can only clamping test pieces outer wall,
It is unable to the inner wall of clamping test pieces；Structure is complicated for clamping device, poor reliability, the low, bad adaptability of precision etc..To solve in the market
Clamping device many drawbacks, the present invention devises that this is easy to operate, beautiful and generous, with high accuracy for clamping test pieces
Novel clamping device.
Summary of the invention
The purpose of the present invention seeks to manufacture and design that a kind of structure is simple, compact, and good manufacturability is easy to operate, and precision is high, peace
A kind of complete practical novel clamping device for clamping test pieces.
In order to achieve the above objectives, the technical solution adopted in the present invention is as follows: a kind of novel clamping for clamping test pieces
Device, comprising: shell, cone fluted disc supporter, cone fluted disc, cone fluted disc bearing, bevel pinion I, bevel pinion I axis, bevel pinion I
Bearing, door, flange plate type connector, bipyramid fluted disc, bipyramid fluted disc bearing, pedestal fixing body, cylinder ring type connector, conelet
It is gear II, bevel pinion II axis, bevel pinion II bearing, pedestal I, special claw I, circumferentially fixed frame I, bevel pinion III, small
Bevel gear III axis, bevel pinion III bearing, pedestal II, special claw II, circumferentially fixed frame II, self-locking device；The cone tooth
Disk supporter is connected by the cone fluted disc bearing with the cone fluted disc, and the cone fluted disc is meshed with the bevel pinion I,
The bevel pinion I is mutually fixedly connected by spline with the bevel pinion I axis, and the bevel pinion I axis passes through the conelet
Gear I bearing and the shell are connected with each other；The cone fluted disc supporter is mutually permanently connected by screw and the door, institute
It states door to be mutually permanently connected by screw and the pedestal fixing body, the pedestal fixing body and the cylinder ring type connector
It is mutually permanently connected by screw, the cylinder ring type connector is mutually permanently connected with the shell by screw；The cone
Fluted disc is mutually permanently connected with the flange plate type connector by screw, the flange plate type connector and the bipyramid fluted disc
It is mutually permanently connected by screw, the bipyramid fluted disc and the pedestal fixing body are connected with each other by bipyramid fluted disc bearing；Institute
It states bipyramid fluted disc to be meshed with the bevel pinion II, the bevel pinion II is mutual by spline with the bevel pinion II axis
It is fixedly connected, the bevel pinion II axis and the pedestal I are connected with each other by the bevel pinion II bearing, the pedestal I
It is mutually permanently connected with the pedestal fixing body by welding manner, the bevel pinion II axis passes through with the special claw I
It is threaded togather, the special claw I and circumferentially fixed frame I is slidably connected by clearance fit, and the circumferential direction is solid
Determine frame I and is mutually permanently connected with the pedestal fixing body by welding manner；The bipyramid fluted disc and the bevel pinion III phase
Engagement, the bevel pinion III are mutually permanently connected with the bevel pinion III axis by spline, the bevel pinion III axis
It is connected with each other with the pedestal II by the bevel pinion III bearing, the pedestal II and the pedestal fixing body pass through weldering
The mode of connecing is mutually permanently connected, and the bevel pinion III axis is together by a threaded connection with the special claw II, the spy
The fabrication pawl II and circumferentially fixed frame II is slidably connected by clearance fit, and the circumferentially fixed frame II and the pedestal are installed
Body is mutually permanently connected by welding manner；The self-locking device between the shell and the bevel pinion I, it is described from
The ratchet of locking device is mounted on the bevel pinion I axis by spline, the pedestal of the self-locking device by screw respectively with
The shell and the cone fluted disc supporter are mutually permanently connected, the direction-changing type pawl of the self-locking device and the cone fluted disc branch
Support body is slidably connected by clearance fit；The shell, the cone fluted disc supporter, the cone fluted disc, the cone fluted disc bearing,
The door, the flange plate type connector, the bipyramid fluted disc, the bipyramid fluted disc bearing, the pedestal fixing body and institute
The axis of cylinder ring type connector is stated on same straight line；The bevel pinion I, the bevel pinion I axis, the small bevel gear
Take turns I bearing, the bevel pinion II, the bevel pinion II axis, the bevel pinion II bearing, the pedestal I, described special
Claw I, the circumferentially fixed frame I, the bevel pinion III, the bevel pinion III axis, the bevel pinion III bearing,
The pedestal II, the special claw II, the circumferentially fixed frame II and the self-locking device respectively have three sets, they are around described
Same straight line etc. point distribution.
Further, the shell is the cylindrical structure of inner hollow, and an end face of the cylindrical body is removed, separately
One end face is provided with circular through hole I, opens that there are three the threaded holes for surrounding axis equal part around the circular through hole I, described outer
One end for being provided with the threaded hole of shell is connected with one end of the cylinder ring type connector by screw；In the cylindrical body
Side on be separated there are three circular through hole II, the axis of three circular through hole II is on same plane I, the plane
I is parallel with two end faces, and the plane I is located at the side of the central symmetry plane of two end faces, and is proximate to removed described
The side of end face；It is separated on the side of the cylindrical body there are three circular through hole III, three circular through hole III's
Axis is on same plane II, and the plane II and plane I is symmetrical about the central symmetry plane of two end faces.
Further, the cone fluted disc supporter is located at the inside of one end of the shell, and one end of the shell is
The removed one end in end face；The cone fluted disc supporter is flange plate type structure, by the removed inside circle ring disk I and both ends of the surface
Hollow cylindrical body I is interconnected by welding, is separated at the edge of circle ring disk I there are three circular through hole IV, institute
The direction-changing type pawl and the circular through hole IV for stating self-locking device are slidably connected by clearance fit, in the circle of inner hollow
One end of cylinder I is provided with Step Circular slot, and the one end for being provided with Step Circular slot is one end far from the circle ring disk I.
Further, the self-locking device includes: pedestal, direction-changing type pawl, spring, ratchet；The pedestal is in inside
Empty rectangular parallelepiped structure, and an end face is removed, other end is provided with circular through hole V, and the one side of the pedestal passes through screw
It is fixedly mounted on the medial surface of the shell, the end face of the pedestal is fixedly mounted on the cone fluted disc supporter by screw
The circle ring disk I outer edge；The direction-changing type pawl is located in the pedestal, by adjusting knob, elongate cylinder, disk and
Wedge plate type spine tooth, which passes sequentially through to be screwed, to be installed together, the elongate cylinder of the direction-changing type pawl successively respectively with
The circular through hole V of the pedestal of the circular through hole IV and self-locking device of the cone fluted disc supporter passes through gap
Cooperation is slidably connected, and the elongate cylinder housing of the direction-changing type pawl has a spring, the direction-changing type pawl it is described
Wedge plate type spine tooth and the ratchet, which cooperate, to be installed；One end of the spring and the pedestal are provided with circular through hole V
One end is mutually permanently connected, and one end of the disk of the other end of the spring and the direction-changing type pawl is fixed to each other company
It connects；The ratchet is mounted on one end of the bevel pinion I axis by spline, and is proximate to one end of the bevel pinion I.
Further, the flange plate type connector is flange plate type structure, by the cylinder of circle ring disk II and inner hollow
Body II is interconnected by welding, and an end face of the cylindrical body II is removed, and other end is provided with circular hole, is provided with
An end face for circular hole is the end face far from the circle ring disk II.
Further, the bipyramid fluted disc is the cone fluted disc that existing interior back taper has outer back taper again, and as intermediate height, both sides are low
Cone fluted disc, the outer teeth of the bipyramid fluted disc is meshed with the cone tooth of the bevel pinion II, the bipyramid fluted disc it is interior
Teeth is meshed with the cone tooth of the bevel pinion III.
Further, the pedestal fixing body is class flange plate type structure, by the removed inside of circle ring disk III, both ends of the surface
The cylindrical body IV for the inner hollow that hollow cylindrical body III and both ends of the surface are removed passes sequentially through welding and interconnects.
Further, one end of the bevel pinion II axis and one end of bevel pinion III axis have threaded hole, institute
One end of one end and the special claw II for stating special claw I has screw thread, and the other end is respectively round estrade structure, in
Between be rectangular parallelepiped structure respectively；The threaded hole of the screw thread of the special claw I and the bevel pinion II axis, which passes through, to be threadedly engaged
It is connected with each other, the cuboid interporal lacuna of the intermediate parallelepiped body portion of the special claw I and the circumferentially fixed frame I, which cooperate, to be connected
It connects, the end face of the rotary table body end of the special claw I is arcuate structure, and the rotary table body end of the special claw I is to clamp test specimen
One end；The screw thread of the special claw II and the threaded hole of the bevel pinion III axis are by being threadedly engaged interconnection, institute
The cuboid interporal lacuna of the intermediate parallelepiped body portion and the circumferentially fixed frame II of stating special claw II is cooperatively connected, described special
The end face of the rotary table body end of claw II is arcuate structure, and the rotary table body end of the special claw II is to clamp one end of test specimen.
Further, one end of the bevel pinion I axis is provided with Hexagon hole, and one end of the bevel pinion I axis is
One end of the bevel pinion I bearing is installed.
Implement a kind of novel clamping device for clamping test pieces of the present invention, the beneficial effect is that:
(1) a kind of novel clamping device for clamping test pieces of the present invention, it is inverse with die nut when clamping test specimen inner wall
Hour hands rotate the bevel pinion I axis, the bevel pinion I axis rotation, and then drive the bevel pinion I rotation；It is described small
The rotation of bevel gear I drives the cone fluted disc rotation, and then drives the flange plate type connector rotation；The flange plate type connects
The rotation of junctor drives the bipyramid fluted disc rotation, and then drives the bevel pinion II rotation；The bevel pinion II's turns
Dynamic to drive the bevel pinion II axis rotation, helical rotation is converted into linear motion, and then the special claw I is driven to make straight line
Movement makes the arcuate end of the special claw I far from central axis, moves towards test specimen inner wall, with the special claw I
The separate increase of arcuate end, complete the clamping work of test specimen；When clamping test specimen outer wall, rotated clockwise with die nut
The bevel pinion I axis, after the transmission of above-mentioned transmission mechanism, the rotation of the bipyramid fluted disc drives the bevel pinion
III rotation, and then the bevel pinion III axis rotation is driven, helical rotation is converted into linear motion, and then drives described special
Claw II is for linear motion, makes the arcuate end of the special claw II close to central axis, moves towards test specimen outer wall, with
The close increase of the arcuate end of the special claw II, completes the clamping work of test specimen；It is simple with structure, compact, technique
The advantages that property is good, easy to operate.
(2) a kind of novel clamping device for clamping test pieces, when clamping test specimen inner wall, along the direction-changing type pawl
The elongate cylinder axis direction, with the adjusting knob of the portable direction-changing type pawl, and rotated, make institute
It states Wedge plate type spine tooth and the ratchet cooperates, rotate counterclockwise the bevel pinion I axis can only, i.e., the described special card
Pawl I can only be moved to the direction far from central axis, to complete the self-locking of the clamping device；When clamping test specimen outer wall,
After the operation of self-locking device described above, so that the Wedge plate type spine tooth and the ratchet is cooperated, make the conelet
Gear I axis can only rotate clockwise, i.e., the described special claw II can only be moved to the direction close to central axis, to complete institute
The self-locking of clamping device is stated, has the function of the clamping device self-locking.
Detailed description of the invention
Fig. 1 is a kind of outside drawing of the novel clamping device for clamping test pieces of the present invention；
Fig. 2 is a kind of decladding structure chart of the novel clamping device for clamping test pieces of the present invention；
Fig. 3 is a kind of decladding structural exploded view of the novel clamping device for clamping test pieces of the present invention；
Fig. 4 is a kind of clamping working principle diagram of the novel clamping device for clamping test pieces of the present invention；
Fig. 5 is a kind of structure chart of the self-locking device of the novel clamping device for clamping test pieces of the present invention；
Fig. 6 is a kind of X-Y scheme of the bipyramid fluted disc of the novel clamping device for clamping test pieces of the present invention；
In figure: shell -1, cone fluted disc supporter -2, cone fluted disc -3, cone fluted disc bearing -4, bevel pinion I-5, bevel pinion
I axis -6, bevel pinion I bearing -7, door -8, flange plate type connector -9, bipyramid fluted disc -10, bipyramid fluted disc bearing -11, base
Seat fixing body -12, cylinder ring type connector -13, bevel pinion II-14, bevel pinion II axis -15, bevel pinion II bearing -
16, pedestal I-17, special claw I-18, circumferentially fixed frame I-19, bevel pinion III-20, bevel pinion III axis -21, conelet
Gear III bearing -22, pedestal II-23, special claw II-24, circumferentially fixed frame II-25, self-locking device -26, pedestal -261,
Direction-changing type pawl -262, spring -263, ratchet -264.
Specific embodiment
The present invention is further described through with reference to the accompanying drawing.
As shown in Fig. 1,2,3,4,5,6, a kind of novel clamping device for clamping test pieces, comprising: shell 1, cone fluted disc
Supporter 2, cone fluted disc 3, cone fluted disc bearing 4, bevel pinion I5, bevel pinion I axis 6, bevel pinion I bearing 7, door 8, flange
Disc type connector 9, bipyramid fluted disc 10, bipyramid fluted disc bearing 11, pedestal fixing body 12, cylinder ring type connector 13, bevel pinion
II14, bevel pinion II axis 15, bevel pinion II bearing 16, pedestal I17, special claw I18, circumferentially fixed frame I19, small bevel gear
Take turns III20, bevel pinion III axis 21, bevel pinion III bearing 22, pedestal II23, special claw II24, circumferentially fixed frame
II25, self-locking device 26；The cone fluted disc supporter 2 is connected by the cone fluted disc bearing 4 with the cone fluted disc 3, described
Cone fluted disc 3 is meshed with the bevel pinion I5, and the bevel pinion I5 is fixed by spline and 6 phase of bevel pinion I axis
Connection, the bevel pinion I axis 6 are connected with each other by the bevel pinion I bearing 7 with the shell 1；The cone fluted disc support
Body 2 is mutually permanently connected by screw with the door 8, and the door 8 is mutually solid by screw and the pedestal fixing body 12
Fixed connection, the pedestal fixing body 12 are mutually permanently connected with the cylinder ring type connector 13 by screw, the cylindrical enclosure
Formula connector 13 is mutually permanently connected with the shell 1 by screw；The cone fluted disc 3 and the flange plate type connector 9 are logical
It crosses screw to be mutually permanently connected, the flange plate type connector 9 is mutually permanently connected with the bipyramid fluted disc 10 by screw, institute
Bipyramid fluted disc 10 and the pedestal fixing body 12 is stated to be connected with each other by bipyramid fluted disc bearing 11；The bipyramid fluted disc 10 with it is described
Bevel pinion II14 is meshed, and the bevel pinion II14 is mutually permanently connected with the bevel pinion II axis 15 by spline,
The bevel pinion II axis 15 and pedestal I17 is connected with each other by the bevel pinion II bearing 16, the pedestal I17 and
The pedestal fixing body 12 is mutually permanently connected by welding manner, the bevel pinion II axis 15 and special claw I18
It is together by a threaded connection, the special claw I18 and circumferentially fixed frame I19 is slidably connected by clearance fit, institute
Circumferentially fixed frame I19 is stated to be mutually permanently connected with the pedestal fixing body 12 by welding manner；The bipyramid fluted disc 10 and institute
It states bevel pinion III20 to be meshed, the bevel pinion III20 is fixed to each other with the bevel pinion III axis 21 by spline
Connection, the bevel pinion III axis 21 and pedestal II23 is connected with each other by the bevel pinion III bearing 22, described
Pedestal II23 is mutually permanently connected with the pedestal fixing body 12 by welding manner, the bevel pinion III axis 21 with it is described
Special claw II24 is together by a threaded connection, and the special claw II24 and circumferentially fixed frame II25 is matched by gap
Conjunction is slidably connected, and the circumferentially fixed frame II25 is mutually permanently connected with the pedestal fixing body 12 by welding manner；It is described
Self-locking device 26 between the shell 1 and the bevel pinion I5, pacified by spline by the ratchet 264 of the self-locking device 26
On the bevel pinion I axis 6, the pedestal 261 of the self-locking device 26 by screw respectively with the shell 1 and the cone
Fluted disc supporter 2 is mutually permanently connected, and the direction-changing type pawl 262 of the self-locking device 26 passes through with the cone fluted disc supporter 2
Clearance fit is slidably connected；It is the shell 1, the cone fluted disc supporter 2, the cone fluted disc 3, the cone fluted disc bearing 4, described
Door 8, the flange plate type connector 9, the bipyramid fluted disc 10, the bipyramid fluted disc bearing 11, the pedestal fixing body 12
Axis with the cylinder ring type connector 13 is on same straight line；The bevel pinion I5, the bevel pinion I axis 6, institute
State bevel pinion I bearing 7, the bevel pinion II14, the bevel pinion II axis 15, the bevel pinion II bearing 16, institute
State pedestal I17, the special claw I18, the circumferentially fixed frame I19, the bevel pinion III20, the bevel pinion III
Axis 21, the bevel pinion III bearing 22, the pedestal II23, the special claw II24, the circumferentially fixed frame II25 and
The self-locking device 26 respectively has three sets, they are around described same straight line etc. point distribution.
Further, the shell 1 is the cylindrical structure of inner hollow, and an end face of the cylindrical body is removed,
Other end is provided with circular through hole I, is opened around the circular through hole I there are three the threaded hole for surrounding axis equal part, described
One end for being provided with the threaded hole of shell 1 is connected with one end of the cylinder ring type connector 13 by screw；Described
Circular through hole II there are three being separated on the side of cylindrical body, the axis of three circular through hole II is on same plane I, institute
State that plane I is parallel with two end faces, the plane I is located at the side of the central symmetry plane of two end faces, and is proximate to be removed
The end face side；Circular through hole III there are three being separated on the side of the cylindrical body, three circular through holes
The axis of III is on same plane II, and the plane II and plane I is faced about the central symmetry of two end faces
Claim；The cone fluted disc supporter 2 is located at the inside of one end of the shell 1, and one end of the shell 1 is that end face is removed
One end；The cone fluted disc supporter 2 is flange plate type structure, by the cylinder of circle ring disk I and both ends of the surface removed inner hollow
Body I is interconnected by welding, is separated at the edge of circle ring disk I there are three circular through hole IV, the self-locking device
26 direction-changing type pawl 262 is slidably connected with the circular through hole IV by clearance fit, in the cylindrical body I of inner hollow
One end one end for being provided with Step Circular slot, and being provided with Step Circular slot be one end far from the circle ring disk I.
Further, the self-locking device 26 includes: pedestal 261, direction-changing type pawl 262, spring 263, ratchet 264；Institute
The rectangular parallelepiped structure that pedestal 261 is inner hollow is stated, and an end face is removed, other end is provided with circular through hole V, the base
The one side of seat is fixedly mounted on the medial surface of the shell 1 by screw, and the end face of the pedestal 261 is fixed by screw
It is mounted on the outer edge of the circle ring disk I of the cone fluted disc supporter 2；The direction-changing type pawl 262 is located at the pedestal 261
It is interior, it is passed sequentially through to be screwed and be installed together by adjusting knob, elongate cylinder, disk and Wedge plate type spine tooth, the deflecting
The elongate cylinder of formula pawl 262 successively respectively with the cone circular through hole IV of fluted disc supporter 2 and described self-locking
The circular through hole V of the pedestal 261 of device 26 is slidably connected by clearance fit, the direction-changing type pawl 262 it is described thin
Long cylinder housing has the spring 263, and the Wedge plate type spine tooth of the direction-changing type pawl 262 and the ratchet 264 are mutually
It is coupled；One end of the spring 263 and one end for being provided with circular through hole V of the pedestal 261 are mutually permanently connected, institute
The one end for stating the other end and the disk of the direction-changing type pawl 262 of spring 263 is mutually permanently connected；The ratchet 264
It is mounted on one end of the bevel pinion I axis 6 by spline, and is proximate to one end of the bevel pinion I5.
Further, the flange plate type connector 9 is flange plate type structure, by the cylinder of circle ring disk II and inner hollow
Body II is interconnected by welding, and an end face of the cylindrical body II is removed, and other end is provided with circular hole, is provided with
An end face for circular hole is the end face far from the circle ring disk II；The bipyramid fluted disc 10 is to fall existing interior back taper has again outside
The cone fluted disc of cone, as intermediate cone fluted disc high, both sides are low, the outer teeth and the bevel pinion of the bipyramid fluted disc 10
The cone tooth of II14 is meshed, and the interior teeth of the bipyramid fluted disc 10 is meshed with the cone tooth of the bevel pinion III20；It is described
Pedestal fixing body 12 is class flange plate type structure, by the cylindrical body III and two of the removed inner hollow of circle ring disk III, both ends of the surface
The cylindrical body IV of the removed inner hollow in end face passes sequentially through welding and interconnects；The bevel pinion II axis 15
One end and one end of bevel pinion III axis 21 have threaded hole, one end of the special claw I18 and the special claw
One end of II24 has screw thread, and the other end is respectively round estrade structure, and centre is rectangular parallelepiped structure respectively；The special card
The threaded hole of the screw thread of pawl I18 and the bevel pinion II axis 15, which passes through, is threadedly engaged interconnection, the special claw I18's
The cuboid interporal lacuna of intermediate parallelepiped body portion and the circumferentially fixed frame I19 are cooperatively connected, the rotary table of the special claw I18
The end face of body end is arcuate structure, and the rotary table body end of the special claw I18 is to clamp one end of test specimen；The special claw
The threaded hole of the screw thread of II24 and the bevel pinion III axis 21 is by being threadedly engaged interconnection, the special claw II24
Intermediate parallelepiped body portion and the circumferentially fixed frame II25 cuboid interporal lacuna be cooperatively connected, the special claw II24's
The end face of rotary table body end is arcuate structure, and the rotary table body end of the special claw II24 is to clamp one end of test specimen；The conelet
One end of gear I axis 6 is provided with Hexagon hole, and one end of the bevel pinion I axis 6 is the installation bevel pinion I bearing 7
One end.
As shown in Fig. 1,2,3,4,5,6, a kind of working method tool of novel clamping device for clamping test pieces of the present invention
Steps are as follows for body:
It is installed according to installation requirement, the cone fluted disc supporter 2 is passed through the cone fluted disc bearing 4 and the cone fluted disc 3
It is connected, the cone fluted disc 3 is meshed with the bevel pinion I5, and the bevel pinion I5 passes through spline and the bevel pinion
6 phase of I axis is fixedly connected, and the bevel pinion I axis 6 is connected with each other by the bevel pinion I bearing 7 with the shell 1；By institute
It states cone fluted disc supporter 2 to be mutually permanently connected by screw with the door 8, the door 8 is pacified by screw and the pedestal
Dress body 12 is mutually permanently connected, and the pedestal fixing body 12 and the cylinder ring type connector 13 are fixed to each other company by screw
It connects, the cylinder ring type connector 13 is mutually permanently connected with the shell 1 by screw；The cone fluted disc 3 and the method
Blue disc type connector 9 is mutually permanently connected by screw, and the flange plate type connector 9 passes through screw with the bipyramid fluted disc 10
It is mutually permanently connected, the bipyramid fluted disc 10 is connected with each other with the pedestal fixing body 12 by bipyramid fluted disc bearing 11；By institute
It states bipyramid fluted disc 10 to be meshed with the bevel pinion II14, the bevel pinion II14 passes through with the bevel pinion II axis 15
Spline is mutually permanently connected, and the bevel pinion II axis 15 and pedestal I17 is mutual by the bevel pinion II bearing 16
Connection, the pedestal I17 are mutually permanently connected with the pedestal fixing body 12 by welding manner, the bevel pinion II axis 15
It is together by a threaded connection with the special claw I18, between the special claw I18 and the circumferentially fixed frame I19 pass through
Gap cooperation is slidably connected, and the circumferentially fixed frame I19 is mutually permanently connected with the pedestal fixing body 12 by welding manner；?
The bipyramid fluted disc 10 is meshed with the bevel pinion III20, the bevel pinion III20 and the bevel pinion III axis
21 are mutually permanently connected by spline, and the bevel pinion III axis 21 and pedestal II23 passes through the bevel pinion III axis
22 interconnections are held, the pedestal II23 is mutually permanently connected with the pedestal fixing body 12 by welding manner, the conelet
Gear III axis 21 is together by a threaded connection with the special claw II24, and the special claw II24 and the circumferential direction are solid
Determine frame II25 to be slidably connected by clearance fit, the circumferentially fixed frame II25 and the pedestal fixing body 12 pass through welding manner
It is mutually permanently connected；The self-locking device 26 is placed between the shell 1 and the bevel pinion I5, the self-locking device
26 ratchet 264 is mounted on the bevel pinion I axis 6 by spline, and the pedestal 261 of the self-locking device 26 passes through screw point
Be not mutually permanently connected with the shell 1 and the cone fluted disc supporter 2, the direction-changing type pawl 262 of the self-locking device 26 with
The cone fluted disc supporter 2 is slidably connected by clearance fit；Make the shell 1, the cone fluted disc supporter 2, the cone tooth
Disk 3, the cone fluted disc bearing 4, the door 8, the flange plate type connector 9, the bipyramid fluted disc 10, the bipyramid fluted disc
The axis of bearing 11, the pedestal fixing body 12 and the cylinder ring type connector 13 is on same straight line；Make the conelet
Gear I5, the bevel pinion I axis 6, the bevel pinion I bearing 7, the bevel pinion II14, the bevel pinion II axis
15, the bevel pinion II bearing 16, the pedestal I17, the special claw I18, the circumferentially fixed frame I19, described small
Bevel gear III20, the bevel pinion III axis 21, the bevel pinion III bearing 22, the pedestal II23, the special card
Pawl II24, the circumferentially fixed frame II25 and the self-locking device 26 respectively have three sets, they surround the same straight line equal part
Distribution；Connect the shell 1, the cone fluted disc supporter 2, the door 8, the pedestal fixing body 12 and the cylinder ring type
Junctor 13 forms stator system, and during stepping up test specimen, stator system does not rotate around central axis；Make the cone tooth
Disk 3, the flange plate type connector 9 and the bipyramid fluted disc 10 form rotor-support-foundation system, during stepping up test specimen, rotor system
System rotates around central axis.
When clamping test specimen inner wall, along the axis direction of the elongate cylinder of the direction-changing type pawl 262, use is portable
The adjusting knob of the direction-changing type pawl 262 is played, and is rotated, the Wedge plate type spine tooth and the ratchet 264 are made
It cooperates, rotate counterclockwise the bevel pinion I axis 6 can only, i.e., the described special claw I18 can only be to far from central axis
Direction movement, to complete the self-locking of the clamping device.
Rotate the bevel pinion I axis 6 counterclockwise with die nut, the bevel pinion I axis 6 rotates, and then drives institute
State bevel pinion I5 rotation；The rotation of the bevel pinion I5 drives the cone fluted disc 3 to rotate, and then drives the flange plate type
Connector 9 rotates；The rotation of the flange plate type connector 9 drives the bipyramid fluted disc 10 to rotate, and then drives the conelet
Gear II14 rotation；The rotation of the bevel pinion II14 drives the bevel pinion II axis 15 to rotate, and helical rotation is converted into
Linear motion, and then drive the special claw I18 for linear motion, make the arcuate end of the special claw I18 far from
Mandrel line moves towards test specimen inner wall, with the separate increase of the arcuate end of the special claw I18, completes the folder of test specimen
Tight work.
When clamping test specimen outer wall, along the axis direction of the elongate cylinder of the direction-changing type pawl 262, use is portable
The adjusting knob of the direction-changing type pawl 262 is played, and is rotated, the Wedge plate type spine tooth and the ratchet 264 are made
It cooperates, rotate clockwise the bevel pinion I axis 6 can only, i.e., the described special claw II24 can only be to close to central axis
The direction of line moves, to complete the self-locking of the clamping device.
The bevel pinion I axis 6 is rotated clockwise with die nut, it is described double after the transmission of above-mentioned transmission mechanism
The rotation for boring fluted disc 10 drives the bevel pinion III20 rotation, and then the bevel pinion III axis 21 is driven to rotate, spiral
It is converted into linear motion, and then drives the special claw II24 for linear motion, makes the arc of the special claw II24
Shape end is moved towards test specimen outer wall close to central axis, with the close increase of the arcuate end of the special claw II24,
Complete the clamping work of test specimen.
When unclamping test specimen inner wall, along the axis direction of the elongate cylinder of the direction-changing type pawl 262, use is portable
The adjusting knob of the direction-changing type pawl 262 is played, and is rotated, the Wedge plate type spine tooth and the ratchet 264 are made
It cooperates, the bevel pinion I axis 6 is enable to rotate clockwise, i.e., the described special claw I18 can be to the side close to central axis
To movement, to complete the unlock setting of the clamping device.
The bevel pinion I axis 6 is rotated clockwise with die nut, the bevel pinion I axis 6 rotates, and then drives institute
State bevel pinion I5 rotation；The rotation of the bevel pinion I5 drives the cone fluted disc 3 to rotate, and then drives the flange plate type
Connector 9 rotates；The rotation of the flange plate type connector 9 drives the bipyramid fluted disc 10 to rotate, and then drives the conelet
Gear II14 rotation；The rotation of the bevel pinion II14 drives the bevel pinion II axis 15 to rotate, and helical rotation is converted into
Linear motion, and then drive the special claw I18 for linear motion, make the arcuate end of the special claw I18 in
Mandrel line moves backwards to test specimen inner wall, with the close increase of the arcuate end of the special claw I18, completes the pine of test specimen
Go into operation work.
When unclamping test specimen outer wall, along the axis direction of the elongate cylinder of the direction-changing type pawl 262, use is portable
The adjusting knob of the direction-changing type pawl 262 is played, and is rotated, the Wedge plate type spine tooth and the ratchet 264 are made
It cooperates, the bevel pinion I axis 6 is enable to rotate counterclockwise, i.e., the described special claw II24 can be to separate central axis
Direction movement, to complete the unlock setting of the clamping device.
Rotate the bevel pinion I axis 6 counterclockwise with die nut, it is described double after the transmission of above-mentioned transmission mechanism
The rotation for boring fluted disc 10 drives the bevel pinion III20 rotation, and then the bevel pinion III axis 21 is driven to rotate, spiral
It is converted into linear motion, and then drives the special claw II24 for linear motion, makes the arc of the special claw II24
Shape end is moved backwards to test specimen outer wall far from central axis, with the separate increase of the arcuate end of the special claw II24,
Complete the release work of test specimen.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of novel clamping device for clamping test pieces characterized by comprising shell (1), cone fluted disc supporter (2),
Bore fluted disc (3), cone fluted disc bearing (4), bevel pinion I (5), bevel pinion I axis (6), bevel pinion I bearing (7), door (8),
Flange plate type connector (9), bipyramid fluted disc (10), bipyramid fluted disc bearing (11), pedestal fixing body (12), cylinder ring type connector
(13), bevel pinion II (14), bevel pinion II axis (15), bevel pinion II bearing (16), pedestal I (17), special claw I
(18), circumferentially fixed frame I (19), bevel pinion III (20), bevel pinion III axis (21), bevel pinion III bearing (22), base
Seat II (23), special claw II (24), circumferentially fixed frame II (25), self-locking device (26)；The cone fluted disc supporter (2) passes through
The cone fluted disc bearing (4) is connected with the cone fluted disc (3), and the cone fluted disc (3) is meshed with the bevel pinion I (5),
The bevel pinion I (5) is mutually fixedly connected by spline with the bevel pinion I axis (6), and the bevel pinion I axis (6) passes through
The bevel pinion I bearing (7) and the shell (1) are connected with each other；The cone fluted disc supporter (2) passes through screw and the gear
Lid (8) is mutually permanently connected, and the door (8) is mutually permanently connected by screw with the pedestal fixing body (12), the base
Seat fixing body (12) is mutually permanently connected with the cylinder ring type connector (13) by screw, the cylinder ring type connector
(13) it is mutually permanently connected with the shell (1) by screw；The cone fluted disc (3) and the flange plate type connector (9) are logical
It crosses screw to be mutually permanently connected, the flange plate type connector (9) and the bipyramid fluted disc (10) are fixed to each other company by screw
It connects, the bipyramid fluted disc (10) and the pedestal fixing body (12) are connected with each other by bipyramid fluted disc bearing (11)；The bipyramid
Fluted disc (10) is meshed with the bevel pinion II (14), and the bevel pinion II (14) and the bevel pinion II axis (15) are logical
It crosses spline to be mutually permanently connected, the bevel pinion II axis (15) and the pedestal I (17) pass through the bevel pinion II bearing
(16) it is connected with each other, the pedestal I (17) is mutually permanently connected with the pedestal fixing body (12) by welding manner, described small
Bevel gear II axis (15) is together by a threaded connection with the special claw I (18), the special claw I (18) and the week
It is slidably connected to fixed frame I (19) by clearance fit, the circumferentially fixed frame I (19) passes through with the pedestal fixing body (12)
Welding manner is mutually permanently connected；The bipyramid fluted disc (10) is meshed with the bevel pinion III (20), the bevel pinion
III (20) is mutually permanently connected with the bevel pinion III axis (21) by spline, the bevel pinion III axis (21) and institute
It states pedestal II (23) to be connected with each other by the bevel pinion III bearing (22), the pedestal II (23) and the pedestal are installed
Body (12) is mutually permanently connected by welding manner, and the bevel pinion III axis (21) passes through with the special claw II (24)
It being threaded togather, the special claw II (24) is slidably connected with the circumferentially fixed frame II (25) by clearance fit,
The circumferentially fixed frame II (25) is mutually permanently connected with the pedestal fixing body (12) by welding manner；The self-locking device
(26) between the shell (1) and the bevel pinion I (5), the ratchet (264) of the self-locking device (26) passes through spline
Be mounted on the bevel pinion I axis (6), the pedestal (261) of the self-locking device (26) by screw respectively with the shell
(1) be mutually permanently connected with the cone fluted disc supporter (2), the direction-changing type pawl (262) of the self-locking device (26) with it is described
Cone fluted disc supporter (2) is slidably connected by clearance fit；The shell (1), the cone fluted disc supporter (2), the cone tooth
Disk (3), the cone fluted disc bearing (4), the door (8), the flange plate type connector (9), the bipyramid fluted disc (10), institute
The axis for stating bipyramid fluted disc bearing (11), the pedestal fixing body (12) and the cylinder ring type connector (13) is straight in same
On line；The bevel pinion I (5), the bevel pinion I axis (6), the bevel pinion I bearing (7), the bevel pinion II
(14), the bevel pinion II axis (15), the bevel pinion II bearing (16), the pedestal I (17), the special claw I
(18), the circumferentially fixed frame I (19), the bevel pinion III (20), the bevel pinion III axis (21), the small bevel gear
Take turns III bearing (22), the pedestal II (23), the special claw II (24), the circumferentially fixed frame II (25) and it is described oneself
Locking device (26) respectively has three sets, they are around described same straight line etc. point distribution.
2. a kind of novel clamping device for clamping test pieces as described in claim 1, which is characterized in that the shell (1)
For the cylindrical structure of inner hollow, and an end face of the cylindrical body is removed, and other end is provided with circular through hole I, in institute
State the threaded hole that axis equal part is surrounded there are three opening around circular through hole I, be provided with the threaded hole one of the shell (1)
End is connected with one end of the cylinder ring type connector (13) by screw；Divide equally on the side of the cylindrical body and is provided with three
A circular through hole II, the axis of three circular through hole II is on same plane I, and the plane I is parallel with two end faces, institute
The side that plane I is located at the central symmetry plane of two end faces is stated, and is proximate to the side of the removed end face；In the circle
Be separated on the side of cylinder there are three circular through hole III, the axis of three circular through hole III on same plane II,
And the plane II and plane I is symmetrical about the central symmetry plane of two end faces.
3. a kind of novel clamping device for clamping test pieces as claimed in claim 2, which is characterized in that the cone fluted disc branch
Support body (2) is located at the inside of one end of the shell (1), and one end of the shell (1) is the removed one end in end face；It is described
Boring fluted disc supporter (2) is flange plate type structure, is passed through by the cylindrical body I of circle ring disk I and both ends of the surface removed inner hollow
Welding interconnects, and is separated the change of the self-locking device (26) there are three circular through hole IV at the edge of circle ring disk I
It is slidably connected to formula pawl (262) and the circular through hole IV by clearance fit, the one of the cylindrical body I of inner hollow
Holding the one end for being provided with Step Circular slot, and being provided with Step Circular slot is one end far from the circle ring disk I.
4. a kind of novel clamping device for clamping test pieces as claimed in claim 3, which is characterized in that the self-locking device
It (26) include: pedestal (261), direction-changing type pawl (262), spring (263), ratchet (264)；The pedestal (261) is in inside
Empty rectangular parallelepiped structure, and an end face is removed, other end is provided with circular through hole V, and the one side of the pedestal passes through screw
It is fixedly mounted on the medial surface of the shell (1), the end face of the pedestal (261) is fixedly mounted on the cone tooth by screw
The outer edge of the circle ring disk I of disk supporter (2)；The direction-changing type pawl (262) is located in the pedestal (261), by adjusting
Section knob, elongate cylinder, disk and Wedge plate type spine tooth are passed sequentially through to be screwed and be installed together, the direction-changing type pawl
(262) the elongate cylinder successively respectively with it is described cone fluted disc supporter (2) the circular through hole IV and the self-locking dress
The circular through hole V for setting the pedestal (261) of (26) is slidably connected by clearance fit, the institute of the direction-changing type pawl (262)
Stating elongate cylinder housing has the spring (263), the Wedge plate type spine tooth and the ratchet of the direction-changing type pawl (262)
(264) cooperate installation；One end phase for being provided with circular through hole V of one end of the spring (263) and the pedestal (261)
It is mutually fixedly connected, the other end of the spring (263) and one end of the disk of the direction-changing type pawl (262) are fixed to each other
Connection；The ratchet (264) is mounted on one end of the bevel pinion I axis (6) by spline, and is proximate to the bevel pinion
One end of I (5).
5. a kind of novel clamping device for clamping test pieces as claimed in claim 4, which is characterized in that the flange plate type
Connector (9) is flange plate type structure, is interconnected by the circle ring disk II and cylindrical body II of inner hollow by welding,
And an end face of the cylindrical body II is removed, other end is provided with circular hole, and opening a round-meshed end face is far from described
An end face of circle ring disk II.
6. a kind of novel clamping device for clamping test pieces as claimed in claim 5, which is characterized in that the bipyramid fluted disc
(10) there are the cone fluted disc of outer back taper, as intermediate cone fluted disc high, both sides are low, the bipyramid fluted disc (10) again for existing interior back taper
Outer teeth be meshed with the cone tooth of the bevel pinion II (14), the interior teeth of the bipyramid fluted disc (10) with it is described small
The cone tooth of bevel gear III (20) is meshed.
7. a kind of novel clamping device for clamping test pieces as claimed in claim 6, which is characterized in that the pedestal installation
Body (12) is class flange plate type structure, by the cylindrical body III and both ends of the surface quilt of the removed inner hollow of circle ring disk III, both ends of the surface
The cylindrical body IV of the inner hollow of removal passes sequentially through welding and interconnects.
8. a kind of novel clamping device for clamping test pieces as claimed in claim 7, which is characterized in that the bevel pinion
One end of II axis (15) and one end of bevel pinion III axis (21) have threaded hole, one end of the special claw I (18)
Screw thread is had with one end of the special claw II (24), the other end is respectively round estrade structure, and centre is rectangular respectively
Body structure；The screw thread of the special claw I (18) and the threaded hole of the bevel pinion II axis (15) are by being threadedly engaged mutually
The cuboid interporal lacuna of connection, the intermediate parallelepiped body portion of the special claw I (18) and the circumferentially fixed frame I (19) cooperates
Connection, the end face of the rotary table body end of the special claw I (18) are arcuate structure, the rotary table body end of the special claw I (18)
For the one end for clamping test specimen；The screw thread of the special claw II (24) and the threaded hole of the bevel pinion III axis (21) pass through
It is threadedly engaged interconnection, the length of the intermediate parallelepiped body portion of the special claw II (24) and the circumferentially fixed frame II (25)
Cube interporal lacuna is cooperatively connected, and the end face of the rotary table body end of the special claw II (24) is arcuate structure, the special claw
The rotary table body end of II (24) is to clamp one end of test specimen.
9. a kind of novel clamping device for clamping test pieces as claimed in claim 8, which is characterized in that the bevel pinion
One end of I axis (6) is provided with Hexagon hole, and one end of the bevel pinion I axis (6) is to install the bevel pinion I bearing (7)
One end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910378424.4A CN110228030A (en) | 2019-04-30 | 2019-04-30 | A kind of novel clamping device for clamping test pieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910378424.4A CN110228030A (en) | 2019-04-30 | 2019-04-30 | A kind of novel clamping device for clamping test pieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110228030A true CN110228030A (en) | 2019-09-13 |
Family
ID=67861205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910378424.4A Pending CN110228030A (en) | 2019-04-30 | 2019-04-30 | A kind of novel clamping device for clamping test pieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110228030A (en) |
-
2019
- 2019-04-30 CN CN201910378424.4A patent/CN110228030A/en active Pending
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Application publication date: 20190913 |