CN110181425A - A kind of self-locking clamping device for clamping test pieces inner wall - Google Patents
A kind of self-locking clamping device for clamping test pieces inner wall Download PDFInfo
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- CN110181425A CN110181425A CN201910361973.0A CN201910361973A CN110181425A CN 110181425 A CN110181425 A CN 110181425A CN 201910361973 A CN201910361973 A CN 201910361973A CN 110181425 A CN110181425 A CN 110181425A
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- gear shaft
- cylinder
- shell
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 210000000078 claw Anatomy 0.000 claims abstract description 38
- 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 description 23
- 238000003466 welding Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 9
- 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
- 239000007787 solid Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 208000035193 Ring chromosome 10 syndrome Diseases 0.000 description 13
- 238000003754 machining Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The present invention relates to a kind of self-locking clamping devices for clamping test pieces inner wall, comprising: shell, cone fluted disc supporter, cone fluted disc, cone fluted disc bearing, bevel pinion, small coning gear shaft, bevel pinion bearing, door, flange plate type connector, cylinder outer gear ring, cylinder outer gear ring bearing, gear shaft fixing body, cylinder ring type connector, big roller gear, gear shaft, small cylinder gear, gear axle bearing, rack-and-pinion claw, guide base, self-locking device；A kind of self-locking 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, by a series of transmission mechanism, makes the arcuate end of the rack-and-pinion claw far from central axis, moved towards test specimen inner wall, complete the clamping work of test specimen, 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 self-locking 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 self-locking 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 self-locking 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 for the self-locking of clamping test pieces inner wall
Formula clamping device, comprising: shell, cone fluted disc supporter, cone fluted disc, cone fluted disc bearing, bevel pinion, small coning gear shaft, conelet
Gear-bearing, door, flange plate type connector, cylinder outer gear ring, cylinder outer gear ring bearing, gear shaft fixing body, cylinder ring type
Connector, big roller gear, gear shaft, small cylinder gear, gear axle bearing, rack-and-pinion claw, guide base, self-locking device；
The cone fluted disc supporter is connected by the cone fluted disc bearing with the cone fluted disc, the cone fluted disc and the bevel pinion
It is meshed, the bevel pinion is mutually fixedly connected by spline with the small coning gear shaft, and the small coning gear shaft passes through described
Bevel pinion bearing and the shell are connected with each other；The cone fluted disc supporter is fixed to each other company by screw and the door
It connects, the door is mutually permanently connected by screw and the gear shaft fixing body, the gear shaft fixing body and the cylinder
Ring type connector is mutually permanently connected by screw, and the cylinder ring type connector and the shell are fixed to each other company by screw
It connects；The cone fluted disc is mutually permanently connected with the flange plate type connector by screw, the flange plate type connector and institute
It states cylinder outer gear ring to be mutually permanently connected by screw, the cylinder outer gear ring and the gear shaft fixing body pass through cylinder external tooth
Bearing is enclosed to be connected with each other；The cylinder outer gear ring is meshed with the big roller gear, the big roller gear and the gear
Axis is mutually permanently connected by spline, and the gear shaft is mutually permanently connected with the small cylinder gear by spline, the tooth
Wheel shaft and the gear shaft fixing body are connected with each other by the gear axle bearing, the small cylinder gear and the rack-and-pinion card
Pawl is meshed, and the rack-and-pinion claw is slidably connected with the guide base by clearance fit, the guide base with it is described
Gear shaft fixing body is mutually permanently connected by welding manner；The self-locking device be located at the shell and the bevel pinion it
Between, the ratchet of the self-locking device is mounted on the small coning gear shaft by spline, and the pedestal of the self-locking device passes through spiral shell
Nail is mutually permanently connected with the shell, and the adjusting screw rod of the self-locking device is connected with the shell by screw thread；It is described
Shell, the cone fluted disc supporter, the cone fluted disc, the cone fluted disc bearing, the door, the flange plate type connector,
The cylinder outer gear ring, the cylinder outer gear ring bearing, the gear shaft fixing body and the cylinder ring type connector axis
On same straight line；The bevel pinion, the small coning gear shaft, the bevel pinion bearing, the big roller gear, institute
State gear shaft, the small cylinder gear, the gear axle bearing, the rack-and-pinion claw, the guide base and described self-locking
Device respectively has 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 small coning gear shaft by spline, and is proximate to one end of the bevel pinion.
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 provided with Step Circular in one end of the cylindrical body I of inner hollow
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 gear shaft fixing body be class flange plate type structure, by circle ring disk III, both ends of the surface be removed in
The cylindrical body IV for the inner hollow that the hollow cylindrical body III in portion and both ends of the surface are removed passes sequentially through welding and interconnects.
Further, the one side of the rack-and-pinion claw is provided with teeth, is provided with swallow on the two sides adjacent with the side
Stern notch, the teeth of the rack-and-pinion claw and the teeth of the small cylinder gear are intermeshed, the dovetail groove and the guiding
The dovetail tangs of pedestal are slidably connected by clearance fit, and an end face of the rack-and-pinion claw is arcuate structure, the rack gear
One end face of formula claw is the one end for clamping test specimen.
Further, one end of the small coning gear shaft is provided with Hexagon hole, and one end of the small coning gear shaft is peace
Fill one end of the bevel pinion bearing.
Implement a kind of self-locking clamping device for clamping test pieces inner wall of the present invention, the beneficial effect is that:
(1) a kind of self-locking clamping device for clamping test pieces inner wall of the present invention, is rotated clockwise with allen wrench
The small coning gear shaft, the small coning gear shaft rotation, and then drive the bevel pinion rotation；The rotation of the bevel pinion
It drives the cone fluted disc to rotate, and then drives the flange plate type connector rotation；The rotation band of the flange plate type connector
The cylinder outer gear ring rotation is moved, and then drives the big roller gear rotation；Described in the rotation of the big roller gear drives
Gear shaft rotation, and then drive the small cylinder gear rotation；The rotation of the small cylinder gear drives the rack-and-pinion claw
It is for linear motion, make the arcuate end of the rack-and-pinion claw far from central axis, is moved towards test specimen inner wall, with the tooth
The separate increase of the arcuate end of formula claw, completes the clamping work of test specimen, has structure simple, compact, good manufacturability, behaviour
Make the advantages that facilitating.
(2) a kind of self-locking 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 cooperates, rotate clockwise the small coning gear shaft can only, i.e., the described rack-and-pinion claw can only
It moves, cannot be moved to the direction close to central axis, to complete the clamping device to the direction far from central axis
It is self-locking, have the function of the clamping device self-locking.
Detailed description of the invention
Fig. 1 is a kind of outside drawing of the self-locking clamping device for clamping test pieces inner wall of the present invention；
Fig. 2 is a kind of decladding structure chart of the self-locking clamping device for clamping test pieces inner wall of the present invention；
Fig. 3 is a kind of decladding structural exploded view of the self-locking clamping device for clamping test pieces inner wall of the present invention；
Fig. 4 is a kind of clamping working principle diagram of the self-locking 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 self-locking 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 self-locking clamping device for clamping test pieces inner wall of the present invention
Figure；
In figure: shell -1, cone fluted disc supporter -2, cone fluted disc -3, cone fluted disc bearing -4, bevel pinion -5, bevel pinion
Axis -6, bevel pinion bearing -7, door -8, flange plate type connector -9, cylinder outer gear ring -10, cylinder outer gear ring bearing -11,
Gear shaft fixing body -12, cylinder ring type connector -13, big roller gear -14, gear shaft -15, small cylinder gear -16, gear
Axle bearing -17, rack-and-pinion claw -18, guide base -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 self-locking clamping device for clamping test pieces inner wall, comprising: shell 1,
Bore fluted disc supporter 2, cone fluted disc 3, cone fluted disc bearing 4, bevel pinion 5, small coning gear shaft 6, bevel pinion bearing 7, door 8,
Flange plate type connector 9, cylinder outer gear ring 10, cylinder outer gear ring bearing 11, gear shaft fixing body 12, cylinder ring type connector
13, big roller gear 14, gear shaft 15, small cylinder gear 16, gear axle bearing 17, rack-and-pinion claw 18, guide base 19, from
Locking device 20；The cone fluted disc supporter 2 is connected by the cone fluted disc bearing 4 with the cone fluted disc 3, the cone fluted disc 3
It is meshed with the bevel pinion 5, the bevel pinion 5 is fixedly connected by spline with 6 phase of small coning gear shaft, described small
Bevel gear shaft 6 is connected with each other by the bevel pinion bearing 7 with the shell 1；The cone fluted disc supporter 2 by screw with
The door 8 is mutually permanently connected, and the door 8 is mutually permanently connected by screw with the gear shaft fixing body 12, described
Gear shaft 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 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 cylinder outer gear ring 10 by screw, outside the cylinder
Gear ring 10 and the gear shaft fixing body 12 are connected with each other by cylinder outer gear ring bearing 11；The cylinder outer gear ring 10 with it is described
Big roller gear 14 is meshed, and the big roller gear 14 is mutually permanently connected with the gear shaft 15 by spline, the tooth
Wheel shaft 15 is mutually permanently connected with the small cylinder gear 16 by spline, the gear shaft 15 and the gear shaft fixing body 12
It is connected with each other by the gear axle bearing 17, the small cylinder gear 16 is meshed with the rack-and-pinion claw 18, the tooth
Formula claw 18 is slidably connected with the guide base 19 by clearance fit, and the guide base 19 is installed with the gear shaft
Body 12 is mutually permanently connected by welding manner；The self-locking device 20 between the shell 1 and the bevel pinion 5,
The ratchet 206 of the self-locking device 20 is mounted on the small coning gear shaft 6 by spline, the pedestal of the self-locking device 20
201 are mutually permanently connected by screw with the shell 1, and the adjusting screw rod 204 of the self-locking device 20 passes through with the shell 1
Screw thread is connected；The shell 1, the cone fluted disc supporter 2, the cone fluted disc 3, the cone fluted disc bearing 4, the door 8,
The flange plate type connector 9, the cylinder outer gear ring 10, the cylinder outer gear ring bearing 11, the gear shaft fixing body 12
Axis with the cylinder ring type connector 13 is on same straight line；It is the bevel pinion 5, the small coning gear shaft 6, described
Bevel pinion bearing 7, the big roller gear 14, the gear shaft 15, the small cylinder gear 16, the gear axle bearing
17, the rack-and-pinion claw 18, the guide base 19 and the self-locking device 20 respectively have three sets, they surround the 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 small coning gear shaft 6 by spline, and is proximate to the one of the bevel pinion 5
End.
Further, 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
It is the removed one end in end face；The cone fluted disc supporter 2 is flange plate type structure, is removed by circle ring disk I and both ends of the surface
The cylindrical body I of inner hollow is interconnected by welding, is provided with ladder in one end of the cylindrical body I of inner hollow
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 method
Blue tray type structure is interconnected by the circle ring disk II and cylindrical body II of inner hollow by welding, and the cylindrical body
An end face of II is removed, and other end is provided with circular hole, and opening a round-meshed end face is one far from the circle ring disk II
End face；The gear shaft fixing body 12 is class flange plate type structure, by the circle of the removed inner hollow of circle ring disk III, both ends of the surface
The cylindrical body IV for the inner hollow that cylinder III and both ends of the surface are removed passes sequentially through welding and interconnects.The rack-and-pinion
The one side of claw 18 is provided with teeth, and dovetail groove, the tooth of the rack-and-pinion claw 18 are provided on the two sides adjacent with the side
The teeth of tooth and the small cylinder gear 16 are intermeshed, between the dovetail tangs of the dovetail groove and the guide base 19 pass through
Gap cooperation is slidably connected, and an end face of the rack-and-pinion claw 18 is arcuate structure, and an end face of the rack-and-pinion claw 18 is
Clamp one end of test specimen；One end of the small coning gear shaft 6 is provided with Hexagon hole, and one end of the small coning gear shaft 6 is peace
Fill one end of the bevel pinion bearing 7.
As shown in Fig. 1,2,3,4,5,6, a kind of work of the self-locking 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 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 5, and the bevel pinion 5 passes through spline and the small coning gear shaft
6 phases are fixedly connected, and the small coning gear shaft 6 is connected with each other by the bevel pinion bearing 7 with the shell 1；By the cone
Fluted disc supporter 2 is mutually permanently connected by screw with the door 8, and the door 8 is installed by screw and the gear shaft
Body 12 is mutually permanently connected, and the gear shaft 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 spiral shell with the cylinder outer gear ring 10
Nail is mutually permanently connected, and the cylinder outer gear ring 10 is interconnected with the gear shaft fixing body 12 by 11 phase of cylinder outer gear ring bearing
It connects；The cylinder outer gear ring 10 is meshed with the big roller gear 14, the big roller gear 14 and the gear shaft 15
It is mutually permanently connected by spline, the gear shaft 15 is mutually permanently connected with the small cylinder gear 16 by spline, described
Gear shaft 15 and the gear shaft fixing body 12 are connected with each other by the gear axle bearing 17, the small cylinder gear 16 and institute
It states rack-and-pinion claw 18 to be meshed, the rack-and-pinion claw 18 is slidably connected with the guide base 19 by clearance fit, institute
Guide base 19 is stated to be mutually permanently connected with the gear shaft fixing body 12 by welding manner；The self-locking device 20 is placed
Between the shell 1 and the bevel pinion 5, the ratchet 206 of the self-locking device 20 is mounted on the conelet by spline
On gear shaft 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；Make the shell 1, the cone fluted disc supporter 2, the cone
Fluted disc 3, the cone fluted disc bearing 4, the door 8, the flange plate type connector 9, the cylinder outer gear ring 10, the cylinder
The axis of outer gear ring bearing 11, the gear shaft fixing body 12 and the cylinder ring type connector 13 is on same straight line；Make
The bevel pinion 5, the small coning gear shaft 6, the bevel pinion bearing 7, the big roller gear 14, the gear shaft
15, the small cylinder gear 16, the gear axle bearing 17, the rack-and-pinion claw 18, the guide base 19 and it is described from
Locking device 20 respectively has three sets, they are around described same straight line etc. point distribution；Make the shell 1, the cone fluted disc supporter
2, the door 8, the gear shaft fixing body 12 and the cylinder ring type connector 13 form stator system, are stepping up test specimen
In the process, stator system does not rotate around central axis；Make the cone fluted disc 3, the flange plate type connector 9 and the circle
Column outer gear ring 10 forms rotor-support-foundation system, and during stepping up test specimen, rotor-support-foundation system rotates around central axis.
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 clockwise the small coning gear shaft 6 can only, i.e., the described rack-and-pinion claw 18 can only be to far from
The direction of mandrel line moves, and cannot move to the direction close to central axis, to complete the self-locking setting of the clamping device.
The small coning gear shaft 6 is rotated clockwise with allen wrench, the small coning gear shaft 6 rotates, and then drives institute
State the rotation of bevel pinion 5；The rotation of the bevel pinion 5 drives the cone fluted disc 3 to rotate, and then the flange plate type is driven to connect
Junctor 9 rotates；The rotation of the flange plate type connector 9 drives the cylinder outer gear ring 10 to rotate, and then drives the great circle
Stud wheel 14 rotates；The rotation of the big roller gear 14 drives the gear shaft 15 to rotate, and then drives the small column tooth
16 rotation of wheel；The rotation of the small cylinder gear 16 drives the rack-and-pinion claw 18 for linear motion, makes the rack-and-pinion card
The arcuate end of pawl 18 moves, as the arcuate end of the rack-and-pinion claw 18 is remote far from central axis towards test specimen inner wall
From increase, complete the clamping work of test specimen.
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 small coning gear shaft 6 can only rotate clockwise enables the rack-and-pinion claw 18 to move to the direction close to central axis,
To complete the unlock setting of the clamping device.
Rotate the small coning gear shaft 6 counterclockwise with allen wrench, the small coning gear shaft 6 rotates, and then drives institute
State the rotation of bevel pinion 5；The rotation of the bevel pinion 5 drives the cone fluted disc 3 to rotate, and then the flange plate type is driven to connect
Junctor 9 rotates；The rotation of the flange plate type connector 9 drives the cylinder outer gear ring 10 to rotate, and then drives the great circle
Stud wheel 14 rotates；The rotation of the big roller gear 14 drives the gear shaft 15 to rotate, and then drives the small column tooth
16 rotation of wheel；The rotation of the small cylinder gear 16 drives the rack-and-pinion claw 18 for linear motion, makes the rack-and-pinion card
The arcuate end of pawl 18 moves, as the arcuate end of the rack-and-pinion claw 18 is leaned on close to central axis backwards to test specimen inner wall
The release work of test specimen is completed in close increase.
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 self-locking clamping device for clamping test pieces inner wall characterized by comprising shell (1), cone fluted disc support
Body (2), cone fluted disc (3), cone fluted disc bearing (4), bevel pinion (5), small coning gear shaft (6), bevel pinion bearing (7), door
(8), flange plate type connector (9), cylinder outer gear ring (10), cylinder outer gear ring bearing (11), gear shaft fixing body (12), cylinder
Ring type connector (13), big roller gear (14), gear shaft (15), small cylinder gear (16), gear axle bearing (17), rack-and-pinion
Claw (18), guide base (19), self-locking device (20)；The cone fluted disc supporter (2) by the cone fluted disc bearing (4) and
The cone fluted disc (3) is connected, and the cone fluted disc (3) is meshed with the bevel pinion (5), and the bevel pinion (5) passes through
Spline is mutually fixedly connected with the small coning gear shaft (6), the small coning gear shaft (6) by the bevel pinion bearing (7) with
The shell (1) is connected with each other；The cone fluted disc supporter (2) is mutually permanently connected by screw with the door (8), described
Door (8) is mutually permanently connected by screw with the gear shaft fixing body (12), the gear shaft fixing body (12) with it is described
Cylinder ring type connector (13) is mutually permanently connected by screw, and the cylinder ring type connector (13) and the shell (1) are logical
Screw is crossed to be mutually permanently connected；The cone fluted disc (3) is mutually permanently connected with the flange plate type connector (9) by screw,
The flange plate type connector (9) is mutually permanently connected with the cylinder outer gear ring (10) by screw, the cylinder outer gear ring
(10) it is connected with each other with the gear shaft fixing body (12) by cylinder outer gear ring bearing (11)；The cylinder outer gear ring (10) with
The big roller gear (14) is meshed, and the big roller gear (14) and the gear shaft (15) are fixed to each other company by spline
It connects, the gear shaft (15) is mutually permanently connected with the small cylinder gear (16) by spline, the gear shaft (15) and institute
It states gear shaft fixing body (12) to be connected with each other by the gear axle bearing (17), the small cylinder gear (16) and the rack gear
Formula claw (18) is meshed, and the rack-and-pinion claw (18) is slidably connected with the guide base (19) by clearance fit, institute
It states guide base (19) and is mutually permanently connected with the gear shaft fixing body (12) by welding manner；The self-locking device (20)
Between the shell (1) and the bevel pinion (5), the ratchet (206) of the self-locking device (20) is installed by spline
On the small coning gear shaft (6), the pedestal (201) of the self-locking device (20) is mutually solid by screw and the shell (1)
Fixed connection, the adjusting screw rod (204) of the self-locking device (20) are connected with the shell (1) by screw thread；The shell
(1), the cone fluted disc supporter (2), the cone fluted disc (3), the cone fluted disc bearing (4), the door (8), the flange
Disc type connector (9), the cylinder outer gear ring (10), the cylinder outer gear ring bearing (11), the gear shaft fixing body (12)
Axis with the cylinder ring type connector (13) is on same straight line；The bevel pinion (5), the small coning gear shaft
(6), the bevel pinion bearing (7), the big roller gear (14), the gear shaft (15), the small cylinder gear (16),
The gear axle bearing (17), the rack-and-pinion claw (18), the guide base (19) and the self-locking device (20) respectively have
Three sets, they are around described same straight line etc. point distribution.
2. a kind of self-locking 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 self-locking 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 shaft (6), and it is proximate to one end of the bevel pinion (5).
4. a kind of self-locking clamping device for clamping test pieces inner wall as claimed in claim 3, which is characterized in that 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 one that end face is removed
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 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 self-locking 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 self-locking clamping device for clamping test pieces inner wall as claimed in claim 5, which is characterized in that the tooth
Wheel shaft fixing body (12) is class flange plate type structure, by III and of cylindrical body of the removed inner hollow of circle ring disk III, both ends of the surface
The cylindrical body IV of the removed inner hollow of both ends of the surface passes sequentially through welding and interconnects.
7. a kind of self-locking clamping device for clamping test pieces inner wall as claimed in claim 6, which is characterized in that the tooth
The one side of formula claw (18) is provided with teeth, and dovetail groove, the rack-and-pinion claw are provided on the two sides adjacent with the side
(18) teeth of teeth and the small cylinder gear (16) are intermeshed, the swallow of the dovetail groove and the guide base (19)
Tail projects through clearance fit and is slidably connected, and an end face of the rack-and-pinion claw (18) is arcuate structure, the rack-and-pinion card
One end face of pawl (18) is the one end for clamping test specimen.
8. a kind of self-locking 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 shaft (6) is provided with Hexagon hole, and one end of the small coning gear shaft (6) is to install the bevel pinion bearing
(7) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361973.0A CN110181425A (en) | 2019-04-30 | 2019-04-30 | A kind of self-locking clamping device for clamping test pieces inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361973.0A CN110181425A (en) | 2019-04-30 | 2019-04-30 | A kind of self-locking clamping device for clamping test pieces inner wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110181425A true CN110181425A (en) | 2019-08-30 |
Family
ID=67715447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910361973.0A Pending CN110181425A (en) | 2019-04-30 | 2019-04-30 | A kind of self-locking clamping device for clamping test pieces inner wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110181425A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429741A (en) * | 2019-09-02 | 2019-11-08 | 王江华 | A kind of asynchronous machine shell with alignment self-locking structure |
| CN111633227A (en) * | 2020-06-02 | 2020-09-08 | 南京天普机电产品制造有限公司 | Jack catch self-locking device is used in processing of rail vehicle spare part |
| CN114211020A (en) * | 2021-12-24 | 2022-03-22 | 北京好运达智创科技有限公司 | Angle-adjustable device for punching in metal pipe machining |
-
2019
- 2019-04-30 CN CN201910361973.0A patent/CN110181425A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429741A (en) * | 2019-09-02 | 2019-11-08 | 王江华 | A kind of asynchronous machine shell with alignment self-locking structure |
| CN111633227A (en) * | 2020-06-02 | 2020-09-08 | 南京天普机电产品制造有限公司 | Jack catch self-locking device is used in processing of rail vehicle spare part |
| CN111633227B (en) * | 2020-06-02 | 2022-11-25 | 南京天普机电产品制造有限公司 | Jack catch self-locking device is used in processing of rail vehicle spare part |
| CN114211020A (en) * | 2021-12-24 | 2022-03-22 | 北京好运达智创科技有限公司 | Angle-adjustable device for punching in metal pipe machining |
| CN114211020B (en) * | 2021-12-24 | 2023-03-10 | 北京好运达智创科技有限公司 | Angle-adjustable device for punching in metal pipe machining |
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Application publication date: 20190830 |