CN110181426A - A kind of three-pawl type clamping device for clamping test pieces inner wall - Google Patents
A kind of three-pawl type clamping device for clamping test pieces inner wall Download PDFInfo
- Publication number
- CN110181426A CN110181426A CN201910377723.6A CN201910377723A CN110181426A CN 110181426 A CN110181426 A CN 110181426A CN 201910377723 A CN201910377723 A CN 201910377723A CN 110181426 A CN110181426 A CN 110181426A
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- CN
- China
- Prior art keywords
- bevel pinion
- fluted disc
- axis
- cone fluted
- shell
- Prior art date
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 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 72
- 210000000078 claw Anatomy 0.000 claims abstract description 44
- 238000003466 welding Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 4
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 241001484259 Lacuna Species 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 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
- 238000009434 installation 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
- 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
- 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 three-pawl type clamping devices for clamping test pieces inner wall, comprising: shell, cone fluted disc I supporter, cone fluted disc I, cone fluted disc I bearing, bevel pinion I, bevel pinion I axis, bevel pinion I bearing, door, flange plate type connector, cone fluted disc II, cone fluted disc II bearing, pedestal fixing body, cylinder ring type connector, bevel pinion II, bevel pinion II axis, bevel pinion II bearing, pedestal, special claw, circumferentially fixed frame, self-locking device；A kind of three-pawl type clamping device for clamping test pieces inner wall of the present invention is cooperated by the pawl and ratchet of the self-locking device, to complete the self-locking of the clamping device, have the function of the clamping device self-locking, pass through a series of transmission mechanism, push the arcuate end of the special claw to central axis, complete the clamping work of test specimen, has structure simple, 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 three-pawl type for clamping test pieces inner wall
Clamping device.
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 in clamping test pieces
The three-pawl type clamping device of wall.
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 three-pawl type clamping device for clamping test pieces inner wall.
In order to achieve the above objectives, the technical solution adopted in the present invention is as follows: a kind of three-jaw for clamping test pieces inner wall
Formula clamping device, comprising: shell, cone fluted disc I supporter, cone fluted disc I, cone fluted disc I bearing, bevel pinion I, bevel pinion I axis,
Bevel pinion I bearing, door, flange plate type connector, cone fluted disc II, cone fluted disc II bearing, pedestal fixing body, cylinder ring type connect
Junctor, bevel pinion II, bevel pinion II axis, bevel pinion II bearing, pedestal, special claw, circumferentially fixed frame, self-locking dress
It sets；The cone fluted disc I supporter is connected by the cone fluted disc I bearing with the cone fluted disc I, the cone fluted disc I with it is described
Bevel pinion I is meshed, and the bevel pinion I is mutually fixedly connected by spline with the bevel pinion I axis, the bevel pinion
I axis is connected with each other by the bevel pinion I bearing and the shell；The cone fluted disc I supporter passes through screw and the gear
Lid is mutually permanently connected, and the door is mutually permanently connected by screw and the pedestal fixing body, the pedestal fixing body with
The cylinder ring type connector is mutually permanently connected by screw, and the cylinder ring type connector passes through screw phase with the shell
Mutually it is fixedly connected；The cone fluted disc I is mutually permanently connected with the flange plate type connector by screw, and the flange plate type connects
Junctor is mutually permanently connected with the cone fluted disc II by screw, and the cone fluted disc II and the pedestal fixing body pass through cone fluted disc
II bearing is connected with each other；The cone fluted disc II is meshed with the bevel pinion II, the bevel pinion II and the small bevel gear
Wheel II axis is mutually permanently connected by spline, and the bevel pinion II axis passes through the bevel pinion II bearing phase with the pedestal
It connects, the pedestal is mutually permanently connected with the pedestal fixing body by welding manner, the bevel pinion II axis and institute
It states special claw to be together by a threaded connection, the special claw and the circumferentially fixed frame are slided by clearance fit and connected
It connects, the circumferentially fixed frame is mutually permanently connected with the pedestal fixing body by welding manner；The self-locking device is located at institute
It states between shell and the bevel pinion I, the ratchet of the self-locking device is mounted on the bevel pinion I axis by spline,
The pedestal of the self-locking device is mutually permanently connected by screw and the shell, the adjusting screw rod of the self-locking device with it is described
Shell is connected by screw thread；The shell, the cone fluted disc I supporter, the cone fluted disc I, the cone fluted disc I bearing, institute
State door, the flange plate type connector, the cone fluted disc II, the cone fluted disc II bearing, the pedestal fixing body and described
The axis of cylinder ring type connector is on same straight line；The bevel pinion I, the bevel pinion I axis, the bevel pinion
I bearing, the bevel pinion II, the bevel pinion II axis, the bevel pinion II bearing, the pedestal, the special card
Pawl, the circumferentially fixed frame 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 three threaded holes for surrounding axis equal part, one end for being provided with the threaded hole of the shell and the cylindrical enclosure
One end of formula connector is connected by screw；Circular through hole I there are three being separated on the side of the cylindrical body, three institutes
The axis of circular through hole I is stated on same plane I, the plane I is parallel with two end faces, and the plane I is located at two end faces
Central symmetry plane side, and be proximate to the side of the removed end face；It is separated on the side of the cylindrical body
There are three tapped through holes, and the axis of three tapped through holes is on same plane II, and the plane II is located at the side of the plane I
Side；Circular through hole II there are three being separated on the side of the cylindrical body, the axis of three circular through hole II is same
In plane III, and the plane III and plane I is symmetrical about the central symmetry plane of two end faces.
Further, the self-locking device includes: pedestal, spring, support frame, adjusting screw rod, pawl, ratchet；The base
Seat is rectangular parallelepiped structure, is fixedly mounted on the medial surface of the shell by screw, one end welding of the side of the pedestal
There is the spring, the other end is welded with support frame as described above；Support frame as described above is truncated rectangular pyramids structure, the bottom surface end of support frame as described above
It is welded on the pedestal, upper bottom surface end is hinged on the inclined side in centre of the pawl, and is one of the tooth far from the pawl
Side；One end fit inside of tooth far from the pawl is equipped with the adjusting screw rod, the adjusting screw rod by screw rod, cylinder and
Rotary table is passed sequentially through to be screwed and is installed together, and the outer glue of the cylinder and the rotary table has high resilience
Shell made of elastomeric material, the screw rod of the adjusting screw rod pass through screw thread phase with the tapped through hole of the shell
On the inside of one end of connection, the shell of the cylinder of the adjusting screw rod and the shell of the rotary table and the tooth far from the pawl
Be in contact cooperation；One end of the spring is welded on the pedestal, and the other end is welded on the inclined other side in centre of the pawl,
And it is proximate to the side of the tooth of the pawl；One end fits close to the tooth of the pawl are equipped with the ratchet, the ratchet
It 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 cone fluted disc I 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 I supporter is flange plate type structure, be removed by circle ring disk I and both ends of the surface in
The hollow cylindrical body I in portion is interconnected by welding, is provided with ladder circle in one end of the cylindrical body I of inner hollow
Shape slot, and the one end for being provided with Step Circular slot is one end far from the circle ring disk 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 pedestal fixing body is flange plate type structure, by the removed inside of circle ring disk III and both ends of the surface
Hollow cylindrical body III is interconnected by welding.
Further, one end of the bevel pinion II axis is provided with threaded hole, and described special claw one end is provided with screw thread, separately
One end is round estrade structure, and centre is rectangular parallelepiped structure；The screw thread of the special claw is described with the bevel pinion II axis
For threaded hole by being threadedly engaged interconnection, the intermediate parallelepiped body portion of the special claw is rectangular with the circumferentially fixed frame
The connection of body opening clearance fit, the end face of the rotary table body end of the special claw are arcuate structure, the round estrade of the special claw
End is the one end for clamping 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 three-pawl type clamping device for clamping test pieces inner wall of the present invention, the beneficial effect is that:
(1) a kind of three-pawl type clamping device for clamping test pieces inner wall of the present invention, is rotated counterclockwise with allen wrench
The bevel pinion I axis, the bevel pinion I axis rotation, and then drive the bevel pinion I rotation；The bevel pinion I's
Rotation drives the cone fluted disc I rotation, and then drives the flange plate type connector rotation；The flange plate type connector turns
It is dynamic to drive the cone fluted disc II rotation, and then drive the bevel pinion II rotation；The rotation of the bevel pinion II drives institute
The rotation of bevel pinion II axis is stated, helical rotation is converted into linear motion, and then drives the special claw for linear motion, makes institute
The arcuate end of special claw is stated far from central axis, is moved towards test specimen inner wall, with the arcuate end of the special claw
The advantages that clamping work of test specimen is completed in separate increase, has structure simple, compact, good manufacturability, easy to operate.
(2) a kind of three-pawl type clamping device for clamping test pieces inner wall, the adjusting screw rod, institute are screwed with hand clockwise
It states adjusting screw rod to rotate on one side, move downward on one side, the frustum cone side of the adjusting screw rod pushes the pawl rotation, Jin Ersuo
It states pawl and the ratchet to cooperate, rotate counterclockwise the bevel pinion I axis can only, i.e., the described special claw can only be to
Direction far from central axis moves, and cannot move to the direction close to central axis, to complete oneself of the clamping device
Lock, has the function of the clamping device self-locking.
Detailed description of the invention
Fig. 1 is a kind of outside drawing of the three-pawl type clamping device for clamping test pieces inner wall of the present invention；
Fig. 2 is a kind of decladding structure chart of the three-pawl type clamping device for clamping test pieces inner wall of the present invention；
Fig. 3 is a kind of decladding structural exploded view of the three-pawl type clamping device for clamping test pieces inner wall of the present invention；
Fig. 4 is a kind of clamping working principle diagram of the three-pawl type clamping device for clamping test pieces inner wall of the present invention；
Fig. 5 is a kind of structure chart of the self-locking device of the three-pawl type clamping device for clamping test pieces inner wall of the present invention；
Fig. 6 is a kind of two dimension of the flange plate type connector of the three-pawl type clamping device for clamping test pieces inner wall of the present invention
Figure；
In figure: shell -1, cone fluted disc I supporter -2, cone fluted disc I-3, cone fluted disc I bearing -4, bevel pinion I-5, conelet
Gear I axis -6, bevel pinion I bearing -7, door -8, flange plate type connector -9, cone fluted disc II-10, cone fluted disc II bearing -
11, pedestal fixing body -12, cylinder ring type connector -13, bevel pinion II-14, bevel pinion II axis -15, bevel pinion II axis
Hold -16, pedestal -17, special claw -18, circumferentially fixed frame -19, self-locking device -20, pedestal -201, spring -202, support frame -
203, adjusting screw rod -204, pawl -205, ratchet -206.
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 three-pawl type clamping device for clamping test pieces inner wall, comprising: shell 1,
Bore fluted disc I supporter 2, cone fluted disc I3, cone fluted disc I bearing 4, bevel pinion I5, bevel pinion I axis 6, bevel pinion I bearing 7,
Door 8, flange plate type connector 9, cone fluted disc II10, cone fluted disc II 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 17, special claw 18, circumferentially fixed frame
19, self-locking device 20；The cone fluted disc I supporter 2 is connected by the cone fluted disc I bearing 4 with the cone fluted disc I3, described
Cone fluted disc I3 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 I branch
Support body 2 is mutually permanently connected by screw with the door 8, and the door 8 is mutual by screw and the pedestal fixing body 12
It is fixedly connected, the pedestal fixing body 12 is mutually permanently connected with the cylinder ring type connector 13 by screw, the cylinder
Ring type connector 13 is mutually permanently connected with the shell 1 by screw；The cone fluted disc I3 and the flange plate type connector 9
It being mutually permanently connected by screw, the flange plate type connector 9 is mutually permanently connected with the cone fluted disc II10 by screw,
The cone fluted disc II10 and the pedestal fixing body 12 are connected with each other by cone fluted disc II bearing 11；The cone fluted disc II10 and institute
It states bevel pinion II14 to be meshed, the bevel pinion II14 and the bevel pinion II axis 15 are fixed to each other company by spline
It connects, the bevel pinion II axis 15 is connected with each other with the pedestal 17 by the bevel pinion II bearing 16, the pedestal 17
It is mutually permanently connected with the pedestal fixing body 12 by welding manner, the bevel pinion II axis 15 and the special claw 18
It is together by a threaded connection, the special claw 18 is slidably connected with the circumferentially fixed frame 19 by clearance fit, described
Circumferentially fixed frame 19 is mutually permanently connected with the pedestal fixing body 12 by welding manner；The self-locking device 20 is located at described
Between shell 1 and the bevel pinion I5, the ratchet 206 of the self-locking device 20 is mounted on the bevel pinion I by spline
On axis 6, the pedestal 201 of the self-locking device 20 is mutually permanently connected by screw with the shell 1, the self-locking device 20
Adjusting screw rod 204 is connected with the shell 1 by screw thread；The shell 1, the cone fluted disc I supporter 2, the cone fluted disc
I3, the cone fluted disc I bearing 4, the door 8, the flange plate type connector 9, the cone fluted disc II10, the cone fluted disc II
The axis of bearing 11, the pedestal fixing body 12 and the cylinder ring type connector 13 is on same straight line；The small bevel gear
Take turns 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 17, the special claw 18, the circumferentially fixed frame 19 and the self-locking device
20 respectively have 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 opens that there are three the threaded hole for surrounding axis equal part, one end for being provided with the threaded hole of the shell 1 and the circles
One end of column ring type connector 13 is connected by screw；It is separated on the side of the cylindrical body there are three circular through hole I,
For the axis of three circular through hole I on same plane I, the plane I is parallel with two end faces, and the plane I is located at two
The side of the central symmetry plane of a end face, and it is proximate to the side of the removed end face；On the side of the cylindrical body
It is separated there are three tapped through hole, the axis of three tapped through holes is on same plane II, and the plane II is located at described put down
The side of face I；Circular through hole II there are three being separated on the side of the cylindrical body, the axis of three circular through hole II
On same plane III, and the plane III and plane I is symmetrical about the central symmetry plane of two end faces.
Further, the self-locking device 20 includes: pedestal 201, spring 202, support frame 203, adjusting screw rod 204, spine
Pawl 205, ratchet 206；The pedestal 201 is rectangular parallelepiped structure, is fixedly mounted on the medial surface of the shell 1 by screw,
One end of the side of the pedestal 201 is welded with the spring 202, and the other end is welded with support frame as described above 203；Support frame as described above
203 be truncated rectangular pyramids structure, and the bottom surface end of support frame as described above 203 is welded on the pedestal 201, and upper bottom surface end is hinged on described
The inclined side in the centre of pawl 205, and be the side of the tooth far from the pawl 205；In one end of tooth far from the pawl 205
Side is fitted with the adjusting screw rod 204, and the adjusting screw rod 204 is passed sequentially through by screw rod, cylinder and rotary table to be screwed
It is installed together, and the outer glue of the cylinder and the rotary table has outside made of the elastomeric material of high resilience
Shell, the screw rod of the adjusting screw rod 204 are connected with the tapped through hole of the shell 1 by screw thread, the adjusting
It is in contact on the inside of the shell of the cylinder of screw rod 204 and the shell of the rotary table and one end of the tooth far from the pawl 205
Cooperation；One end of the spring 202 is welded on the pedestal 201, and the centre that the other end is welded on the pawl 205 is partially another
Side, and it is proximate to the side of the tooth of the pawl 205；One end fits close to the tooth of the pawl 205 are equipped with the ratchet
206, the ratchet 206 is mounted on one end of the bevel pinion I axis 6 by spline, and is proximate to the bevel pinion I5's
One end.
Further, the cone fluted disc I supporter 2 is located at the inside of one end of the shell 1, and the one of the shell 1
End is the removed one end in end face；The cone fluted disc I supporter 2 is flange plate type structure, is removed by circle ring disk I and both ends of the surface
Inner hollow cylindrical body I by welding interconnect, be provided with rank in one end of the cylindrical body I of inner hollow
Terraced circular trough, and the one end for being provided with Step Circular slot is one end far from the circle ring disk I；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 the cylinder
An end face of body II is removed, and other end is provided with circular hole, opens a round-meshed end face far from the circle ring disk II
One end face；The pedestal fixing body 12 is flange plate type structure, by the circle of the removed inner hollow of circle ring disk III and both ends of the surface
Cylinder III is interconnected by welding；One end of the bevel pinion II axis 15 is provided with threaded hole, the special claw
18 one end are provided with screw thread, and the other end is round estrade structure, and centre is rectangular parallelepiped structure；The screw thread of the special claw 18 with it is described
The threaded hole of bevel pinion II axis 15 is by being threadedly engaged interconnection, the intermediate parallelepiped body portion of the special claw 18
It is cooperatively connected with the cuboid interporal lacuna of the circumferentially fixed frame 19, the end face of the rotary table body end of the special claw 18 is arc
Structure, the rotary table body end of the special claw 18 are to clamp one end of test specimen；One end of the bevel pinion I axis 6 is provided with interior six
Corner apertures, and one end of the bevel pinion I axis 6 is the one end for installing the bevel pinion I bearing 7.
As shown in Fig. 1,2,3,4,5,6, a kind of work of the three-pawl type clamping device for clamping test pieces inner wall of the present invention
Specific step is as follows for method:
It is installed according to installation requirement, the cone fluted disc I supporter 2 is passed through the cone fluted disc I bearing 4 and the cone fluted disc
I3 is connected, and the cone fluted disc I3 is meshed with the bevel pinion I5, and the bevel pinion I5 passes through spline and the conelet
6 phase of gear 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；
The cone fluted disc I supporter 2 is mutually permanently connected by screw with the door 8, the door 8 passes through screw and the base
Seat fixing body 12 is mutually permanently connected, and the pedestal fixing body 12 is fixed to each other with the cylinder ring type connector 13 by screw
Connection, the cylinder ring type connector 13 are mutually permanently connected with the shell 1 by screw；The cone fluted disc I3 with it is described
Flange plate type connector 9 is mutually permanently connected by screw, and the flange plate type connector 9 and cone fluted disc II10 passes through spiral shell
Nail is mutually permanently connected, and the cone fluted disc II10 and the pedestal fixing body 12 are connected with each other by cone fluted disc II bearing 11；It will
The cone fluted disc II10 is meshed with the bevel pinion II14, and the bevel pinion II14 and the bevel pinion II axis 15 are logical
It crosses spline to be mutually permanently connected, the bevel pinion II axis 15 is mutual by the bevel pinion II bearing 16 with the pedestal 17
Connection, the pedestal 17 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 18, the special claw 18 is matched with the circumferentially fixed frame 19 by gap
Conjunction is slidably connected, and the circumferentially fixed frame 19 is mutually permanently connected with the pedestal fixing body 12 by welding manner；Described in
Self-locking device 20 is placed between the shell 1 and the bevel pinion I5, and the ratchet 206 of the self-locking device 20 passes through spline
It is mounted on the bevel pinion I axis 6, the pedestal 201 of the self-locking device 20 passes through screw and 1 company of being fixed to each other of shell
It connects, the adjusting screw rod 204 of the self-locking device 20 is connected with the shell 1 by screw thread；Make the shell 1, the cone tooth
Disk I supporter 2, the cone fluted disc I3, the cone fluted disc I bearing 4, the door 8, the flange plate type connector 9, the cone
Fluted disc II10, the axis for boring fluted disc II bearing 11, the pedestal fixing body 12 and the cylinder ring type connector 13 are same
On straight line；Make the bevel pinion 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 17, the special claw 18, the week
Respectively there are three sets to fixed frame 19 and the self-locking device 20, they are around described same straight line etc. point distribution；Make the shell
1, the cone fluted disc I supporter 2, the door 8, the pedestal fixing body 12 and the cylinder ring type connector 13 form stator
System, during stepping up test specimen, stator system does not rotate around central axis；Make the cone fluted disc I3, the flange
Disc type connector 9 and the cone fluted disc II10 form rotor-support-foundation system, and during stepping up test specimen, rotor-support-foundation system is around central axis
It rotates.
When clamping test specimen, the adjusting screw rod 204 is screwed clockwise with hand, the adjusting screw rod 204 rotates on one side, on one side
It moves downward, the frustum cone side of the adjusting screw rod 204 pushes the pawl 205 to rotate, and then the pawl 205 and the spine
Wheel 206 cooperates, and rotate counterclockwise the bevel pinion I axis 6 can only, i.e., the described special claw 18 can only be to far from center
The direction of axis moves, and cannot move to the direction close to central axis, to complete the self-locking setting of the clamping device.
Rotate the bevel pinion I axis 6 counterclockwise with allen wrench, the bevel pinion I axis 6 rotates, and then drives
The bevel pinion I5 rotation；The rotation of the bevel pinion I5 drives the cone fluted disc I3 rotation, and then drives the flange
Disc type connector 9 rotates；The rotation of the flange plate type connector 9 drives the cone fluted disc II10 rotation, and then described in drive
Bevel pinion II14 rotation；The rotation of the bevel pinion II14 drives the bevel pinion II axis 15 to rotate, and helical rotation turns
Linear motion is turned to, and then drives the special claw 18 for linear motion, keeps the arcuate end of the special claw 18 separate
Central axis moves towards test specimen inner wall, with the separate increase of the arcuate end of the special claw 18, completes the folder of test specimen
Tight work.
When unclamping test specimen, the adjusting screw rod 204 is screwed counterclockwise with hand, the adjusting screw rod 204 rotates on one side, on one side
It moves upwards, the frustum cone side of the adjusting screw rod 204 far from the pawl 205, freely stretch by the compressed spring 202
Exhibition relieves described in making to push the pawl 205 to rotate, and then the pawl 205 is separated from each other with the ratchet 206
The case where bevel pinion I axis 6 can only rotate counterclockwise enables the special claw 18 to move to the direction close to central axis,
To complete the unlock setting of the clamping device.
The bevel pinion I axis 6 is rotated clockwise with allen wrench, the bevel pinion I axis 6 rotates, and then drives
The bevel pinion I5 rotation；The rotation of the bevel pinion I5 drives the cone fluted disc I3 rotation, and then drives the flange
Disc type connector 9 rotates；The rotation of the flange plate type connector 9 drives the cone fluted disc II10 rotation, and then described in drive
Bevel pinion II14 rotation；The rotation of the bevel pinion II14 drives the bevel pinion II axis 15 to rotate, and helical rotation turns
Linear motion is turned to, and then drives the special claw 18 for linear motion, keeps the arcuate end of the special claw 18 close
Central axis moves backwards to test specimen inner wall, with the close increase of the arcuate end of the special claw 18, completes the pine of test specimen
Go into operation work.
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 (8)
1. a kind of three-pawl type clamping device for clamping test pieces inner wall characterized by comprising shell (1), cone fluted disc I branch
Support body (2), cone fluted disc I (3), cone fluted disc I bearing (4), bevel pinion I (5), bevel pinion I axis (6), bevel pinion I bearing
(7), door (8), flange plate type connector (9), cone fluted disc II (10), cone fluted disc II bearing (11), pedestal fixing body (12), circle
Column ring type connector (13), bevel pinion II (14), bevel pinion II axis (15), bevel pinion II bearing (16), pedestal (17),
Special claw (18), circumferentially fixed frame (19), self-locking device (20)；The cone fluted disc I supporter (2) passes through the cone fluted disc I
Bearing (4) is connected with the cone fluted disc I (3), and the cone fluted disc I (3) is meshed with the bevel pinion I (5), the conelet
Gear 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 conelet
Gear I bearing (7) and the shell (1) are connected with each other；The cone fluted disc I supporter (2) passes through screw and the door (8) phase
It is mutually fixedly connected, the door (8) is mutually permanently connected by screw with the pedestal fixing body (12), the pedestal fixing body
(12) be mutually permanently connected with the cylinder ring type connector (13) by screw, the cylinder ring type connector (13) with it is described
Shell (1) is mutually permanently connected by screw；The cone fluted disc I (3) is mutual by screw with the flange plate type connector (9)
It is fixedly connected, the flange plate type connector (9) is mutually permanently connected with the cone fluted disc II (10) by screw, the cone tooth
Disk II (10) and the pedestal fixing body (12) are connected with each other by cone fluted disc II bearing (11)；The cone fluted disc II (10) and institute
It states bevel pinion II (14) to be meshed, the bevel pinion II (14) is mutually solid by spline with the bevel pinion II axis (15)
Fixed connection, the bevel pinion II axis (15) and the pedestal (17) are connected with each other by the bevel pinion II bearing (16),
The pedestal (17) is 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 (18), the special claw (18) passes through with the circumferentially fixed frame (19)
Clearance fit is slidably connected, and the circumferentially fixed frame (19) and the pedestal fixing body (12) are fixed to each other company by welding manner
It connects；The self-locking device (20) is between the shell (1) and the bevel pinion I (5), the spine of the self-locking device (20)
Wheel (206) is mounted on the bevel pinion I axis (6) by spline, and the pedestal (201) of the self-locking device (20) passes through screw
It is mutually permanently connected with the shell (1), the adjusting screw rod (204) of the self-locking device (20) and the shell (1) pass through spiral shell
Line is connected；The shell (1), the cone fluted disc I supporter (2), the cone fluted disc I (3), the cone fluted disc I bearing (4),
It is the door (8), the flange plate type connector (9), the cone fluted disc II (10), the cone fluted disc II bearing (11), described
Pedestal fixing body (12) and the axis of the cylinder ring type connector (13) are on same straight 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 (17), the special claw (18), the circumferentially fixed frame (19)
Respectively there are three sets with the self-locking device (20), they are around described same straight line etc. point distribution.
2. a kind of three-pawl type clamping device for clamping test pieces inner wall as described in claim 1, which is characterized in that described outer
Shell (1) is the cylindrical structure of inner hollow, and an end face of the cylindrical body is removed, and other end opens that there are three around axis
The one of the threaded hole of line equal part, one end for being provided with the threaded hole of the shell (1) and the cylinder ring type connector (13)
End is connected by screw；Circular through hole I, three circular through hole I there are three being separated on the side of the cylindrical body
Axis on same plane I, the plane I is parallel with two end faces, and the plane I is located at the central symmetry plane of two end faces
Side, and be proximate to the side of the removed end face；Screw thread is logical there are three being separated on the side of the cylindrical body
Hole, the axis of three tapped through holes is on same plane II, and the plane II is located at the side of the plane I；In the circle
Be separated on the side of cylinder there are three circular through hole II, the axis of three circular through hole II on same plane III, and
The plane III is symmetrical about the central symmetry plane of two end faces with the plane I.
3. a kind of three-pawl type clamping device for clamping test pieces inner wall as claimed in claim 2, which is characterized in that it is described from
Locking device (20) includes: pedestal (201), spring (202), support frame (203), adjusting screw rod (204), pawl (205), ratchet
(206)；The pedestal (201) is rectangular parallelepiped structure, is fixedly mounted on the medial surface of the shell (1) by screw, described
One end of the side of pedestal (201) is welded with the spring (202), and the other end is welded with support frame as described above (203)；The support
Frame (203) is truncated rectangular pyramids structure, and the bottom surface end of support frame as described above (203) is welded on the pedestal (201), upper bottom surface end hinge
It connects in the inclined side in centre of the pawl (205), and is the side of the tooth far from the pawl (205)；Far from the pawl
(205) one end fit inside of tooth is equipped with the adjusting screw rod (204), the adjusting screw rod (204) by screw rod, cylinder and
Rotary table is passed sequentially through to be screwed and is installed together, and the outer glue of the cylinder and the rotary table has high resilience
Shell made of elastomeric material, the screw rod of the adjusting screw rod (204) and the tapped through hole of the shell (1) are logical
It crosses screw thread to be connected, the shell of the shell of the cylinder of the adjusting screw rod (204) and the rotary table and far from the pawl
(205) be in contact cooperation on the inside of one end of tooth；One end of the spring (202) is welded on the pedestal (201), the other end
It is welded on the inclined other side in centre of the pawl (205), and is proximate to the side of the tooth of the pawl (205)；Close to the spine
The one end fits of the tooth of pawl (205) are equipped with the ratchet (206), and the ratchet (206) is mounted on the conelet by spline
One end of gear I axis (6), and it is proximate to one end of the bevel pinion I (5).
4. a kind of three-pawl type clamping device for clamping test pieces inner wall as claimed in claim 3, which is characterized in that the cone
Fluted disc I supporter (2) is located at the inside of one end of the shell (1), and one end of the shell (1) is one that end face is removed
End；The cone fluted disc I 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 provided with Step Circular slot in one end of the cylindrical body I of inner hollow, and be provided with
One end of Step Circular slot is one end far from the circle ring disk I.
5. a kind of three-pawl type clamping device for clamping test pieces inner wall as claimed in claim 4, which is characterized in that the method
Blue disc type connector (9) is flange plate type structure, is connected with each other by the circle ring disk II and cylindrical body II of inner hollow by welding
Together, and an end face of the cylindrical body II is removed, and other end is provided with circular hole, and it is remote for opening a round-meshed end face
An end face from the circle ring disk II.
6. a kind of three-pawl type clamping device for clamping test pieces inner wall as claimed in claim 5, which is characterized in that the base
Seat fixing body (12) is flange plate type structure, passes through weldering by the cylindrical body III of the removed inner hollow of circle ring disk III and both ends of the surface
It connects and interconnects.
7. a kind of three-pawl type clamping device for clamping test pieces inner wall as claimed in claim 6, which is characterized in that described small
One end of bevel gear II axis (15) is provided with threaded hole, and described special claw (18) one end is provided with screw thread, and the other end is round estrade knot
Structure, centre are rectangular parallelepiped structures；The threaded hole of the screw thread of the special claw (18) and the bevel pinion II axis (15)
It is connected with each other by being threadedly engaged, the length of the intermediate parallelepiped body portion of the special claw (18) and the circumferentially fixed frame (19)
Cube interporal lacuna is cooperatively connected, and the end face of the rotary table body end of the special claw (18) is arcuate structure, the special claw
(18) rotary table body end is to clamp one end of test specimen.
8. a kind of three-pawl type clamping device for clamping test pieces inner wall as claimed in claim 7, which is characterized in that described small
One end of bevel gear 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
One end of bearing (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910377723.6A CN110181426A (en) | 2019-04-30 | 2019-04-30 | A kind of three-pawl type clamping device for clamping test pieces inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910377723.6A CN110181426A (en) | 2019-04-30 | 2019-04-30 | A kind of three-pawl type clamping device for clamping test pieces inner wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110181426A true CN110181426A (en) | 2019-08-30 |
Family
ID=67714200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910377723.6A Withdrawn CN110181426A (en) | 2019-04-30 | 2019-04-30 | A kind of three-pawl type clamping device for clamping test pieces inner wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110181426A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551098A (en) * | 2020-06-15 | 2020-08-18 | 江苏大学 | Sleeve precision mechanical detection device |
-
2019
- 2019-04-30 CN CN201910377723.6A patent/CN110181426A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551098A (en) * | 2020-06-15 | 2020-08-18 | 江苏大学 | Sleeve precision mechanical detection device |
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Application publication date: 20190830 |